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4281 lines
129 KiB
4281 lines
129 KiB
//---------------------------------------------------------------------------
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#include "ctlspriv.h"
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#include "scroll.h"
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#if defined(_UXTHEME_)
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// non-client scrollbar
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#include "nctheme.h"
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#include "scrollp.h"
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#else
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// scrollbar control
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#include "usrctl32.h"
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#endif _UXTHEME_
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// comment this out to visually match user32 scrollbar:
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//#define _VISUAL_DELTA_
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#ifdef _VISUAL_DELTA_
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#define CARET_BORDERWIDTH 2
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#endif _VISUAL_DELTA_
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//-------------------------------------------------------------------------//
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#define FNID_SCROLLBAR 0x0000029A // UxScrollBarWndProc;
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#define GetOwner(hwnd) GetWindow(hwnd, GW_OWNER)
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#define HW(x) x
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#define HWq(x) x
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#define RIPERR0(s1,s2,errno)
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#define RIPMSG1(errno,fmt,arg1)
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#define RIPMSG2(errno,fmt,arg1,arg2)
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#define RIPMSG3(errno,fmt,arg1,arg2,arg3)
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#define RIP_VERBOSE()
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#define ClrWF ClearWindowState
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#define SetWF SetWindowState
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#define Lock(phwnd, hwnd) InterlockedExchangePointer((PVOID*)(phwnd), (PVOID)hwnd)
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#define Unlock(phwnd) Lock(phwnd, NULL)
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#define CheckLock(hwnd)
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#define ThreadLock(w,t)
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#define ThreadUnlock(t)
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#define VALIDATECLASSANDSIZE
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#define DTTIME (MulDiv( GetDoubleClickTime(), 4, 5 ))
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#define _KillSystemTimer KillTimer
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#define _SetSystemTimer SetTimer
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#define IsWinEventNotifyDeferredOK() TRUE
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#define IsWinEventNotifyDeferred() FALSE
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//-------------------------------------------------------------------------//
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// scroll type flags userk.h
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#define SCROLL_NORMAL 0
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#define SCROLL_DIRECT 1
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#define SCROLL_MENU 2
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//-------------------------------------------------------------------------//
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// internal Scrollbar state/style bits
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//#define SBFSIZEBOXTOPLEFT 0x0C02
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//#define SBFSIZEBOXBOTTOMRIGHT 0x0C04
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//#define SBFSIZEBOX 0x0C08
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#define SBFSIZEGRIP 0x0C10
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//----------------------------------//
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// Scrollbar arrow disable flags
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#define LTUPFLAG 0x0001 // Left/Up arrow disable flag.
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#define RTDNFLAG 0x0002 // Right/Down arrow disable flag.
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//----------------------------------//
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// function forwards
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UINT _SysToChar(UINT message, LPARAM lParam);
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//-------------------------------------------------------------------------//
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// private hittest codes
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//#define HTEXSCROLLFIRST 60
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#define HTSCROLLUP 60
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#define HTSCROLLDOWN 61
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#define HTSCROLLUPPAGE 62
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#define HTSCROLLDOWNPAGE 63
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#define HTSCROLLTHUMB 64
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//#define HTEXSCROLLLAST 64
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//#define HTEXMENUFIRST 65
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//#define HTMDISYSMENU 65
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//#define HTMDIMAXBUTTON 66
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//#define HTMDIMINBUTTON 67
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//#define HTMDICLOSE 68
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//#define HTMENUITEM 69
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//#define HTEXMENULAST 69
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#define IDSYS_SCROLL 0x0000FFFEL // timer ID, user.h
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typedef HWND SBHWND;
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typedef HMENU PMENU;
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//-------------------------------------------------------------------------//
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// SBDATA
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typedef struct tagSBDATA
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{
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int posMin;
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int posMax;
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int page;
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int pos;
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} SBDATA, *PSBDATA;
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//-------------------------------------------------------------------------//
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// SBINFO is the set of values that hang off of a window structure,
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// if the window has scrollbars.
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typedef struct tagSBINFO
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{
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int WSBflags;
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SBDATA Horz;
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SBDATA Vert;
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} SBINFO, * PSBINFO;
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//-------------------------------------------------------------------------//
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// SBCALC
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// Scrollbar metrics block.
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typedef struct tagSBCALC
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{
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SBDATA data; /* this must be first -- we cast structure pointers */
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int pxTop;
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int pxBottom;
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int pxLeft;
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int pxRight;
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int cpxThumb;
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int pxUpArrow;
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int pxDownArrow;
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int pxStart; /* Initial position of thumb */
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int pxThumbBottom;
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int pxThumbTop;
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int cpx;
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int pxMin;
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} SBCALC, *PSBCALC;
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//-------------------------------------------------------------------------//
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// SBTRACK
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// Scrollbar thumb-tracking state block.
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typedef struct tagSBTRACK {
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DWORD fHitOld : 1;
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DWORD fTrackVert : 1;
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DWORD fCtlSB : 1;
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DWORD fTrackRecalc: 1;
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HWND hwndTrack;
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HWND hwndSB;
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HWND hwndSBNotify;
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RECT rcTrack;
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VOID (CALLBACK *pfnSB)(HWND, UINT, WPARAM, LPARAM, PSBCALC);
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UINT cmdSB;
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UINT_PTR hTimerSB;
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int dpxThumb; /* Offset from mouse point to start of thumb box */
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int pxOld; /* Previous position of thumb */
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int posOld;
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int posNew;
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int nBar;
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PSBCALC pSBCalc;
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} SBTRACK, *PSBTRACK;
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//-------------------------------------------------------------------------//
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// Window scrollbars, control base.
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class CUxScrollBar
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//-------------------------------------------------------------------------//
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{
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public:
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CUxScrollBar();
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virtual ~CUxScrollBar() {}
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virtual BOOL IsCtl() const { return FALSE;}
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operator HWND() { return _hwnd; }
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static CUxScrollBar* Calc( HWND hwnd, PSBCALC pSBCalc, LPRECT prcOverrideClient, BOOL fVert);
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virtual void Calc2( PSBCALC pSBCalc, LPRECT lprc, CONST PSBDATA pw, BOOL fVert);
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virtual void DoScroll( HWND hwndNotify, int cmd, int pos, BOOL fVert );
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virtual void ClearTrack() { ZeroMemory( &_track, sizeof(_track) ); }
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SBTRACK* GetTrack() { return &_track; }
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SBINFO* GetInfo() { return &_info; }
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HTHEME GetTheme() { return _hTheme; }
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BOOL IsAttaching() { return _fAttaching; }
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INT GetHotComponent(BOOL fVert) { return fVert ? _htVert : _htHorz; }
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VOID SetHotComponent(INT ht, BOOL fVert) { (fVert ? _htVert : _htHorz) = ht; }
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virtual void ChangeSBTheme();
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virtual BOOL FreshenSBData( int nBar, BOOL fRedraw );
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// UxScrollBar API.
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static CUxScrollBar* Attach( HWND hwnd, BOOL bCtl, BOOL fRedraw );
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static CUxScrollBar* FromHwnd( HWND hwnd );
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static void Detach( HWND hwnd );
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static SBTRACK* GetSBTrack( HWND hwnd );
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static void ClearSBTrack( HWND hwnd );
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static SBINFO* GetSBInfo( HWND hwnd );
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static HTHEME GetSBTheme( HWND hwnd );
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static INT GetSBHotComponent( HWND hwnd, BOOL fVert);
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protected:
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HWND _hwnd;
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SBTRACK _track;
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SBINFO _info;
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INT _htVert; // Scroll bar part the mouse is currently over
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INT _htHorz; // Scroll bar part the mouse is currently over
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HTHEME _hTheme;// Handle to theme manager
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BOOL _fAttaching;
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};
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//-------------------------------------------------------------------------//
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// Scrollbar control
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class CUxScrollBarCtl : public CUxScrollBar
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//-------------------------------------------------------------------------//
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{
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public:
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CUxScrollBarCtl();
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virtual BOOL IsCtl() const { return TRUE;}
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BOOL AddRemoveDisableFlags( UINT wAdd, UINT wRemove );
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// UxScrollBarCtl API.
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static CUxScrollBarCtl* FromHwnd( HWND hwnd );
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static UINT GetDisableFlags( HWND hwnd );
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static SBCALC* GetCalc( HWND hwnd );
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static BOOL AddRemoveDisableFlags( HWND, UINT, UINT );
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static LRESULT CALLBACK WndProc( HWND, UINT, WPARAM, LPARAM );
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BOOL _fVert;
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UINT _wDisableFlags; // Indicates which arrow is disabled;
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SBCALC _calc;
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};
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//-------------------------------------------------------------------------//
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// IsScrollBarControl
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#ifdef PORTPORT
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#define IsScrollBarControl(h) (GETFNID(h) == FNID_SCROLLBAR)
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#else //PORTPORT
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inline BOOL IsScrollBarControl(HWND hwnd) {
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return CUxScrollBarCtl::FromHwnd( hwnd ) != NULL;
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}
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#endif //PORTPORT
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//-------------------------------------------------------------------------//
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// Forwards:
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void DrawScrollBar( HWND hwnd, HDC hdc, LPRECT prcOverrideClient, BOOL fVert);
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HWND SizeBoxHwnd( HWND hwnd );
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VOID _DrawPushButton( HWND hwnd, HDC hdc, LPRECT lprc, UINT state, UINT flags, BOOL fVert);
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UINT _GetWndSBDisableFlags(HWND, BOOL);
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void CALLBACK _TrackThumb( HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam, PSBCALC pSBCalc);
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void CALLBACK _TrackBox( HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam, PSBCALC pSBCalc);
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void _RedrawFrame( HWND hwnd );
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BOOL _FChildVisible( HWND hwnd );
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LONG _SetScrollBar( HWND hwnd, int code, LPSCROLLINFO lpsi, BOOL fRedraw);
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HBRUSH _UxGrayBrush(VOID);
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//-------------------------------------------------------------------------//
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BOOL WINAPI InitScrollBarClass( HINSTANCE hInst )
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{
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WNDCLASSEX wc = {0};
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wc.cbSize = sizeof(wc);
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wc.style = CS_GLOBALCLASS|CS_PARENTDC|CS_HREDRAW|CS_VREDRAW|CS_DBLCLKS;
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wc.lpfnWndProc = CUxScrollBarCtl::WndProc;
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wc.hCursor = LoadCursor(NULL, IDC_ARROW);
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wc.hInstance = hInst;
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wc.lpszClassName = WC_SCROLLBAR;
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wc.cbWndExtra = max(sizeof(CUxScrollBar), sizeof(CUxScrollBarCtl));
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RegisterClassEx(&wc);
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// Don't care if it fails, dynamic registration will prevail
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return TRUE;
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}
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//-------------------------------------------------------------------------//
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// CUxScrollBar impl
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//-------------------------------------------------------------------------//
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//-------------------------------------------------------------------------//
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CUxScrollBar::CUxScrollBar()
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: _hwnd(NULL),
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_hTheme(NULL),
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_htVert(HTNOWHERE),
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_htHorz(HTNOWHERE),
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_fAttaching(FALSE)
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{
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ClearTrack();
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ZeroMemory( &_info, sizeof(_info) );
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_info.Vert.posMax = 100; // ported from _InitPwSB
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_info.Horz.posMax = 100; // ported from _InitPwSB
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}
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//-------------------------------------------------------------------------//
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CUxScrollBar* CUxScrollBar::Attach( HWND hwnd, BOOL bCtl, BOOL fRedraw )
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{
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CUxScrollBar* psb = FromHwnd( hwnd );
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if( NULL == psb )
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{
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psb = bCtl ? new CUxScrollBarCtl : new CUxScrollBar;
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if( psb != NULL )
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{
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ASSERT( psb->IsCtl() == bCtl );
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if( (! hwnd) || (! SetProp( hwnd, MAKEINTATOM(GetThemeAtom(THEMEATOM_SCROLLBAR)), (HANDLE)psb ) ))
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{
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delete psb;
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psb = NULL;
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}
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else
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{
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psb->_hwnd = hwnd;
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psb->_fAttaching = TRUE;
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if (psb->IsCtl())
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{
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psb->_hTheme = OpenThemeData(hwnd, L"ScrollBar");
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}
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else
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{
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psb->_hTheme = OpenNcThemeData(hwnd, L"ScrollBar");
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//
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// window SBs must grovel for state data each
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// time attached [scotthan]
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//
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SCROLLINFO si;
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ZeroMemory(&si, sizeof(si));
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si.cbSize = sizeof(si);
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si.fMask = SIF_ALL;
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if (GetScrollInfo(hwnd, SB_VERT, &si))
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{
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si.fMask |= SIF_DISABLENOSCROLL;
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_SetScrollBar(hwnd, SB_VERT, &si, FALSE);
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}
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ZeroMemory(&si, sizeof(si));
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si.cbSize = sizeof(si);
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si.fMask = SIF_ALL;
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if (GetScrollInfo(hwnd, SB_HORZ, &si))
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{
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si.fMask |= SIF_DISABLENOSCROLL;
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_SetScrollBar(hwnd, SB_HORZ, &si, FALSE);
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}
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}
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psb->_fAttaching = FALSE;
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}
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}
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}
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return psb;
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}
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//-------------------------------------------------------------------------//
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CUxScrollBar* CUxScrollBar::FromHwnd( HWND hwnd )
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{
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if (! hwnd)
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return NULL;
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return (CUxScrollBar*)GetProp( hwnd, MAKEINTATOM(GetThemeAtom(THEMEATOM_SCROLLBAR)));
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}
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//-------------------------------------------------------------------------//
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void CUxScrollBar::Detach( HWND hwnd )
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{
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CUxScrollBar* psb = FromHwnd( hwnd );
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if ( psb == NULL || !psb->_fAttaching )
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{
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if (hwnd)
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{
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RemoveProp( hwnd, MAKEINTATOM(GetThemeAtom(THEMEATOM_SCROLLBAR)));
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}
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if( psb != NULL )
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{
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if ( psb->_hTheme )
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{
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CloseThemeData(psb->_hTheme);
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}
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delete psb;
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}
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}
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}
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//-------------------------------------------------------------------------//
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void WINAPI AttachScrollBars( HWND hwnd )
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{
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ASSERT( GetWindowLong( hwnd, GWL_STYLE ) & (WS_HSCROLL|WS_VSCROLL) );
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CUxScrollBar::Attach( hwnd, FALSE, FALSE );
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}
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//-------------------------------------------------------------------------//
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void WINAPI DetachScrollBars( HWND hwnd )
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{
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CUxScrollBar::Detach( hwnd );
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}
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//-------------------------------------------------------------------------//
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SBTRACK* CUxScrollBar::GetSBTrack( HWND hwnd )
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{
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CUxScrollBar* psb = FromHwnd( hwnd );
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if( psb )
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return &psb->_track;
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return NULL;
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}
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//-------------------------------------------------------------------------//
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void CUxScrollBar::ClearSBTrack( HWND hwnd )
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{
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CUxScrollBar* psb = FromHwnd( hwnd );
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if( psb )
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psb->ClearTrack();
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}
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//-------------------------------------------------------------------------//
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SBINFO* CUxScrollBar::GetSBInfo( HWND hwnd )
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{
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CUxScrollBar* psb = FromHwnd( hwnd );
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if( psb )
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return &psb->_info;
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return NULL;
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}
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//-------------------------------------------------------------------------//
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HTHEME CUxScrollBar::GetSBTheme( HWND hwnd )
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{
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CUxScrollBar* psb = FromHwnd( hwnd );
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if( psb )
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return psb->_hTheme;
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return NULL;
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}
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//-------------------------------------------------------------------------//
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INT CUxScrollBar::GetSBHotComponent( HWND hwnd, BOOL fVert )
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{
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CUxScrollBar* psb = FromHwnd( hwnd );
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if( psb )
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return psb->GetHotComponent(fVert);
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return 0;
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}
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//-------------------------------------------------------------------------//
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BOOL CUxScrollBar::FreshenSBData( int nBar, BOOL fRedraw )
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{
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#ifdef __POLL_FOR_SCROLLINFO__
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ASSERT(IsWindow(_hwnd));
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if( !IsCtl() )
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{
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// Note scrollbar ctls don't go stale because
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// they receive SBM notifications
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SCROLLINFO si;
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si.cbSize = sizeof(si);
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si.fMask = SIF_ALL;
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switch(nBar)
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{
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case SB_VERT:
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case SB_HORZ:
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if( GetScrollInfo( _hwnd, nBar, &si ) )
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{
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_SetScrollBar( _hwnd, nBar, &si, fRedraw );
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}
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break;
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case SB_BOTH:
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return FreshenSBData( SB_VERT, fRedraw ) &&
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FreshenSBData( SB_HORZ, fRedraw );
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break;
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default: return FALSE;
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}
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}
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#endif __POLL_FOR_SCROLLINFO__
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return TRUE;
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}
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//-------------------------------------------------------------------------//
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void CUxScrollBar::ChangeSBTheme()
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{
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if ( _hTheme )
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{
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CloseThemeData(_hTheme);
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}
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_hTheme = NULL;
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if (IsCtl())
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_hTheme = OpenThemeData(_hwnd, L"ScrollBar");
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else
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_hTheme = OpenNcThemeData(_hwnd, L"ScrollBar");
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}
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//-------------------------------------------------------------------------//
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// CUxScrollBarCtl impl
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//-------------------------------------------------------------------------//
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//-------------------------------------------------------------------------//
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CUxScrollBarCtl::CUxScrollBarCtl()
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: _wDisableFlags(0), _fVert(FALSE)
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{
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ZeroMemory( &_calc, sizeof(_calc) );
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}
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//-------------------------------------------------------------------------//
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CUxScrollBarCtl* CUxScrollBarCtl::FromHwnd( HWND hwnd )
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{
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CUxScrollBarCtl* psb = (CUxScrollBarCtl*)CUxScrollBar::FromHwnd( hwnd );
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if( psb )
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return psb->IsCtl() ? psb : NULL;
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return NULL;
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}
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//-------------------------------------------------------------------------//
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UINT CUxScrollBarCtl::GetDisableFlags( HWND hwnd )
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{
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CUxScrollBarCtl* psb = FromHwnd( hwnd );
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if( psb )
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return psb->_wDisableFlags;
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return 0;
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}
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//-------------------------------------------------------------------------//
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SBCALC* CUxScrollBarCtl::GetCalc( HWND hwnd )
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{
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CUxScrollBarCtl* psb = FromHwnd( hwnd );
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if( psb )
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return &psb->_calc;
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return NULL;
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}
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//-------------------------------------------------------------------------//
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// CUxScrollBarCtl::AddRemoveDisableFlags() - static
|
|
BOOL CUxScrollBarCtl::AddRemoveDisableFlags( HWND hwnd, UINT wAdd, UINT wRemove )
|
|
{
|
|
CUxScrollBarCtl* psb = FromHwnd( hwnd );
|
|
if( psb )
|
|
return psb->AddRemoveDisableFlags( wAdd, wRemove );
|
|
return FALSE;
|
|
}
|
|
|
|
//-------------------------------------------------------------------------//
|
|
// CUxScrollBarCtl::AddRemoveDisableFlags() - instance member
|
|
BOOL CUxScrollBarCtl::AddRemoveDisableFlags( UINT wAdd, UINT wRemove )
|
|
{
|
|
// returns TRUE if flags changed, otherwise FALSE.
|
|
UINT wOld = _wDisableFlags;
|
|
_wDisableFlags |= wAdd;
|
|
_wDisableFlags &= ~wRemove;
|
|
return _wDisableFlags != wOld;
|
|
}
|
|
|
|
//-------------------------------------------------------------------------//
|
|
// CUxScrollBar::Calc(). computes metrics for window SBs only.
|
|
// derives rect and calls Calc2.
|
|
CUxScrollBar* CUxScrollBar::Calc(
|
|
HWND hwnd,
|
|
PSBCALC pSBCalc,
|
|
LPRECT prcOverrideClient,
|
|
BOOL fVert)
|
|
{
|
|
RECT rcT;
|
|
#ifdef USE_MIRRORING
|
|
int cx, iTemp;
|
|
#endif
|
|
|
|
//
|
|
// Get client rectangle in window-relative coords.
|
|
// We know that window scrollbars always align to the right
|
|
// and to the bottom of the client area.
|
|
//
|
|
WINDOWINFO wi;
|
|
wi.cbSize = sizeof(wi);
|
|
if( !GetWindowInfo( hwnd, &wi ) )
|
|
return NULL;
|
|
OffsetRect( &wi.rcClient, -wi.rcWindow.left, -wi.rcWindow.top );
|
|
|
|
#ifdef USE_MIRRORING
|
|
if (TestWF(hwnd, WEFLAYOUTRTL)) {
|
|
cx = wi.rcWindow.right - wi.rcWindow.left;
|
|
iTemp = wi.rcClient.left;
|
|
wi.rcClient.left = cx - wi.rcClient.right;
|
|
wi.rcClient.right = cx - iTemp;
|
|
}
|
|
#endif
|
|
|
|
if (fVert) {
|
|
// Only add on space if vertical scrollbar is really there.
|
|
if (TestWF(hwnd, WEFLEFTSCROLL)) {
|
|
rcT.right = rcT.left = wi.rcClient.left;
|
|
if (TestWF(hwnd, WFVPRESENT))
|
|
rcT.left -= SYSMET(CXVSCROLL);
|
|
} else {
|
|
rcT.right = rcT.left = wi.rcClient.right;
|
|
if (TestWF(hwnd, WFVPRESENT))
|
|
rcT.right += SYSMET(CXVSCROLL);
|
|
}
|
|
|
|
rcT.top = wi.rcClient.top;
|
|
rcT.bottom = wi.rcClient.bottom;
|
|
} else {
|
|
// Only add on space if horizontal scrollbar is really there.
|
|
rcT.bottom = rcT.top = wi.rcClient.bottom;
|
|
if (TestWF(hwnd, WFHPRESENT))
|
|
rcT.bottom += SYSMET(CYHSCROLL);
|
|
|
|
rcT.left = wi.rcClient.left;
|
|
rcT.right = wi.rcClient.right;
|
|
}
|
|
|
|
if (prcOverrideClient)
|
|
{
|
|
rcT = *prcOverrideClient;
|
|
}
|
|
// If InitPwSB stuff fails (due to our heap being full) there isn't anything reasonable
|
|
// we can do here, so just let it go through. We won't fault but the scrollbar won't work
|
|
// properly either...
|
|
CUxScrollBar* psb = CUxScrollBar::Attach( hwnd, FALSE, FALSE );
|
|
if( psb )
|
|
{
|
|
SBDATA* pData = fVert ? &psb->_info.Vert : &psb->_info.Horz;
|
|
if( psb )
|
|
psb->Calc2( pSBCalc, &rcT, pData, fVert );
|
|
return psb;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
//-------------------------------------------------------------------------//
|
|
// CUxScrollBar::Calc2(). computes metrics for window SBs or SB ctls.
|
|
void CUxScrollBar::Calc2( PSBCALC pSBCalc, LPRECT lprc, CONST PSBDATA pw, BOOL fVert)
|
|
{
|
|
int cpx;
|
|
DWORD dwRange;
|
|
int denom;
|
|
|
|
if (fVert) {
|
|
pSBCalc->pxTop = lprc->top;
|
|
pSBCalc->pxBottom = lprc->bottom;
|
|
pSBCalc->pxLeft = lprc->left;
|
|
pSBCalc->pxRight = lprc->right;
|
|
pSBCalc->cpxThumb = SYSMET(CYVSCROLL);
|
|
} else {
|
|
|
|
/*
|
|
* For horiz scroll bars, "left" & "right" are "top" and "bottom",
|
|
* and vice versa.
|
|
*/
|
|
pSBCalc->pxTop = lprc->left;
|
|
pSBCalc->pxBottom = lprc->right;
|
|
pSBCalc->pxLeft = lprc->top;
|
|
pSBCalc->pxRight = lprc->bottom;
|
|
pSBCalc->cpxThumb = SYSMET(CXHSCROLL);
|
|
}
|
|
|
|
pSBCalc->data.pos = pw->pos;
|
|
pSBCalc->data.page = pw->page;
|
|
pSBCalc->data.posMin = pw->posMin;
|
|
pSBCalc->data.posMax = pw->posMax;
|
|
|
|
dwRange = ((DWORD)(pSBCalc->data.posMax - pSBCalc->data.posMin)) + 1;
|
|
|
|
//
|
|
// For the case of short scroll bars that don't have enough
|
|
// room to fit the full-sized up and down arrows, shorten
|
|
// their sizes to make 'em fit
|
|
//
|
|
cpx = min((pSBCalc->pxBottom - pSBCalc->pxTop) / 2, pSBCalc->cpxThumb);
|
|
|
|
pSBCalc->pxUpArrow = pSBCalc->pxTop + cpx;
|
|
pSBCalc->pxDownArrow = pSBCalc->pxBottom - cpx;
|
|
|
|
if ((pw->page != 0) && (dwRange != 0)) {
|
|
// JEFFBOG -- This is the one and only place where we should
|
|
// see 'range'. Elsewhere it should be 'range - page'.
|
|
|
|
/*
|
|
* The minimun thumb size used to depend on the frame/edge metrics.
|
|
* People that increase the scrollbar width/height expect the minimun
|
|
* to grow with proportianally. So NT5 bases the minimun on
|
|
* CXH/YVSCROLL, which is set by default in cpxThumb.
|
|
*/
|
|
/*
|
|
* i is used to keep the macro "max" from executing MulDiv twice.
|
|
*/
|
|
int i = MulDiv(pSBCalc->pxDownArrow - pSBCalc->pxUpArrow,
|
|
pw->page, dwRange);
|
|
pSBCalc->cpxThumb = max(pSBCalc->cpxThumb / 2, i);
|
|
}
|
|
|
|
pSBCalc->pxMin = pSBCalc->pxTop + cpx;
|
|
pSBCalc->cpx = pSBCalc->pxBottom - cpx - pSBCalc->cpxThumb - pSBCalc->pxMin;
|
|
|
|
denom = dwRange - (pw->page ? pw->page : 1);
|
|
if (denom)
|
|
pSBCalc->pxThumbTop = MulDiv(pw->pos - pw->posMin,
|
|
pSBCalc->cpx, denom) +
|
|
pSBCalc->pxMin;
|
|
else
|
|
pSBCalc->pxThumbTop = pSBCalc->pxMin - 1;
|
|
|
|
pSBCalc->pxThumbBottom = pSBCalc->pxThumbTop + pSBCalc->cpxThumb;
|
|
}
|
|
|
|
//-------------------------------------------------------------------------//
|
|
void CUxScrollBar::DoScroll( HWND hwndNotify, int cmd, int pos, BOOL fVert )
|
|
{
|
|
HWND hwnd = _hwnd;
|
|
|
|
//
|
|
// Send scroll notification to the scrollbar owner. If this is a control
|
|
// the lParam is the control's handle, NULL otherwise.
|
|
//
|
|
SendMessage(hwndNotify,
|
|
(UINT)(fVert ? WM_VSCROLL : WM_HSCROLL),
|
|
MAKELONG(cmd, pos),
|
|
(LPARAM)(IsCtl() ? _hwnd : NULL));
|
|
|
|
//
|
|
// The hwnd can have it's scrollbar removed as the result
|
|
// of the previous sendmessge.
|
|
//
|
|
if( CUxScrollBar::GetSBTrack(hwnd) && !IsCtl() )
|
|
{
|
|
FreshenSBData( fVert ? SB_VERT : SB_HORZ, TRUE );
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Now it is possible to selectively Enable/Disable just one arrow of a Window
|
|
* scroll bar; Various bits in the 7th word in the rgwScroll array indicates which
|
|
* one of these arrows are disabled; The following masks indicate which bit of the
|
|
* word indicates which arrow;
|
|
*/
|
|
#define WSB_HORZ_LF 0x0001 // Represents the Left arrow of the horizontal scroll bar.
|
|
#define WSB_HORZ_RT 0x0002 // Represents the Right arrow of the horizontal scroll bar.
|
|
#define WSB_VERT_UP 0x0004 // Represents the Up arrow of the vert scroll bar.
|
|
#define WSB_VERT_DN 0x0008 // Represents the Down arrow of the vert scroll bar.
|
|
|
|
#define WSB_VERT (WSB_VERT_UP | WSB_VERT_DN)
|
|
#define WSB_HORZ (WSB_HORZ_LF | WSB_HORZ_RT)
|
|
|
|
void DrawCtlThumb( SBHWND );
|
|
|
|
/*
|
|
* RETURN_IF_PSBTRACK_INVALID:
|
|
* This macro tests whether the pSBTrack we have is invalid, which can happen
|
|
* if it gets freed during a callback.
|
|
* This protects agains the original pSBTrack being freed and no new one
|
|
* being allocated or a new one being allocated at a different address.
|
|
* This does not protect against the original pSBTrack being freed and a new
|
|
* one being allocated at the same address.
|
|
* If pSBTrack has changed, we assert that there is not already a new one
|
|
* because we are really not expecting this.
|
|
*/
|
|
#define RETURN_IF_PSBTRACK_INVALID(pSBTrack, hwnd) \
|
|
if ((pSBTrack) != CUxScrollBar::GetSBTrack(hwnd)) { \
|
|
ASSERT(CUxScrollBar::GetSBTrack(hwnd) == NULL); \
|
|
return; \
|
|
}
|
|
|
|
/*
|
|
* REEVALUATE_PSBTRACK
|
|
* This macro just refreshes the local variable pSBTrack, in case it has
|
|
* been changed during a callback. After performing this operation, pSBTrack
|
|
* should be tested to make sure it is not now NULL.
|
|
*/
|
|
|
|
#if (defined(DBG) || defined(DEBUG) || defined(_DEBUG))
|
|
#define REEVALUATE_PSBTRACK(pSBTrack, hwnd, str) \
|
|
if ((pSBTrack) != CUxScrollBar::GetSBTrack(hwnd)) { \
|
|
RIPMSG3(RIP_WARNING, \
|
|
"%s: pSBTrack changed from %#p to %#p", \
|
|
(str), (pSBTrack), CUxScrollBar::GetSBTrack(hwnd)); \
|
|
} \
|
|
(pSBTrack) = CUxScrollBar::GetSBTrack(hwnd)
|
|
#else
|
|
#define REEVALUATE_PSBTRACK(pSBTrack, hwnd, str) \
|
|
(pSBTrack) = CUxScrollBar::GetSBTrack(hwnd)
|
|
#endif
|
|
|
|
/***************************************************************************\
|
|
* HitTestScrollBar
|
|
*
|
|
* 11/15/96 vadimg ported from Memphis sources
|
|
\***************************************************************************/
|
|
|
|
int HitTestScrollBar(HWND hwnd, BOOL fVert, POINT pt)
|
|
{
|
|
UINT wDisable;
|
|
int px;
|
|
CUxScrollBar* psb = CUxScrollBar::FromHwnd( hwnd );
|
|
CUxScrollBarCtl* psbCtl = CUxScrollBarCtl::FromHwnd( hwnd );
|
|
BOOL fCtl = psbCtl != NULL;
|
|
|
|
SBCALC SBCalc = {0};
|
|
SBCALC *pSBCalc = NULL;
|
|
|
|
if (fCtl) {
|
|
wDisable = psbCtl->_wDisableFlags;
|
|
} else {
|
|
RECT rcWindow;
|
|
GetWindowRect( hwnd, &rcWindow );
|
|
#ifdef USE_MIRRORING
|
|
//
|
|
// Reflect the click coordinates on the horizontal
|
|
// scroll bar if the window is mirrored
|
|
//
|
|
if (TestWF(hwnd,WEFLAYOUTRTL) && !fVert) {
|
|
pt.x = rcWindow.right - pt.x;
|
|
}
|
|
else
|
|
#endif
|
|
pt.x -= rcWindow.left;
|
|
pt.y -= rcWindow.top;
|
|
wDisable = _GetWndSBDisableFlags(hwnd, fVert);
|
|
}
|
|
|
|
if ((wDisable & SB_DISABLE_MASK) == SB_DISABLE_MASK) {
|
|
return HTERROR;
|
|
}
|
|
|
|
if (fCtl) {
|
|
pSBCalc = CUxScrollBarCtl::GetCalc(hwnd);
|
|
} else {
|
|
pSBCalc = &SBCalc;
|
|
psb->FreshenSBData( SB_BOTH, FALSE );
|
|
psb->Calc(hwnd, pSBCalc, NULL, fVert);
|
|
}
|
|
|
|
px = fVert ? pt.y : pt.x;
|
|
|
|
if( pSBCalc )
|
|
{
|
|
if (px < pSBCalc->pxUpArrow) {
|
|
if (wDisable & LTUPFLAG) {
|
|
return HTERROR;
|
|
}
|
|
return HTSCROLLUP;
|
|
} else if (px >= pSBCalc->pxDownArrow) {
|
|
if (wDisable & RTDNFLAG) {
|
|
return HTERROR;
|
|
}
|
|
return HTSCROLLDOWN;
|
|
} else if (px < pSBCalc->pxThumbTop) {
|
|
return HTSCROLLUPPAGE;
|
|
} else if (px < pSBCalc->pxThumbBottom) {
|
|
return HTSCROLLTHUMB;
|
|
} else if (px < pSBCalc->pxDownArrow) {
|
|
return HTSCROLLDOWNPAGE;
|
|
}
|
|
}
|
|
return HTERROR;
|
|
}
|
|
|
|
BOOL _SBGetParms(
|
|
HWND hwnd,
|
|
int code,
|
|
PSBDATA pw,
|
|
LPSCROLLINFO lpsi)
|
|
{
|
|
PSBTRACK pSBTrack;
|
|
|
|
pSBTrack = CUxScrollBar::GetSBTrack(hwnd);
|
|
|
|
if (lpsi->fMask & SIF_RANGE) {
|
|
lpsi->nMin = pw->posMin;
|
|
lpsi->nMax = pw->posMax;
|
|
}
|
|
|
|
if (lpsi->fMask & SIF_PAGE)
|
|
lpsi->nPage = pw->page;
|
|
|
|
if (lpsi->fMask & SIF_POS) {
|
|
lpsi->nPos = pw->pos;
|
|
}
|
|
|
|
if (lpsi->fMask & SIF_TRACKPOS)
|
|
{
|
|
if (pSBTrack && (pSBTrack->nBar == code) && (pSBTrack->hwndTrack == hwnd)) {
|
|
// posNew is in the context of psbiSB's window and bar code
|
|
lpsi->nTrackPos = pSBTrack->posNew;
|
|
} else {
|
|
lpsi->nTrackPos = pw->pos;
|
|
}
|
|
}
|
|
return ((lpsi->fMask & SIF_ALL) ? TRUE : FALSE);
|
|
}
|
|
|
|
//-------------------------------------------------------------------------//
|
|
BOOL WINAPI ThemeGetScrollInfo( HWND hwnd, int nBar, LPSCROLLINFO psi )
|
|
{
|
|
CUxScrollBar* psb = CUxScrollBar::FromHwnd(hwnd);
|
|
if((psb != NULL) && (psb->IsAttaching() == FALSE))
|
|
{
|
|
#ifdef DEBUG
|
|
if( psb->IsCtl() )
|
|
{
|
|
ASSERT(FALSE); // controls cooperate through an SBM_GETSCROLLINFO message.
|
|
}
|
|
else
|
|
#endif DEBUG
|
|
{
|
|
SBINFO* psbi;
|
|
if( (psbi = psb->GetInfo()) != NULL )
|
|
{
|
|
SBDATA* psbd = SB_VERT == nBar ? &psbi->Vert :
|
|
SB_HORZ == nBar ? &psbi->Horz : NULL;
|
|
if( psbd )
|
|
return _SBGetParms( hwnd, nBar, psbd, psi );
|
|
}
|
|
}
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
/***************************************************************************\
|
|
* _GetWndSBDisableFlags
|
|
*
|
|
* This returns the scroll bar Disable flags of the scroll bars of a
|
|
* given Window.
|
|
*
|
|
*
|
|
* History:
|
|
* 4-18-91 MikeHar Ported for the 31 merge
|
|
\***************************************************************************/
|
|
|
|
UINT _GetWndSBDisableFlags(
|
|
HWND hwnd, // The window whose scroll bar Disable Flags are to be returned;
|
|
BOOL fVert) // If this is TRUE, it means Vertical scroll bar.
|
|
{
|
|
PSBINFO pw;
|
|
|
|
if ((pw = CUxScrollBar::GetSBInfo( hwnd )) == NULL) {
|
|
RIPERR0(ERROR_NO_SCROLLBARS, RIP_VERBOSE, "");
|
|
return 0;
|
|
}
|
|
|
|
return (fVert ? (pw->WSBflags & WSB_VERT) >> 2 : pw->WSBflags & WSB_HORZ);
|
|
}
|
|
|
|
|
|
/***************************************************************************\
|
|
* xxxEnableSBCtlArrows()
|
|
*
|
|
* This function can be used to selectively Enable/Disable
|
|
* the arrows of a scroll bar Control
|
|
*
|
|
* History:
|
|
* 04-18-91 MikeHar Ported for the 31 merge
|
|
\***************************************************************************/
|
|
|
|
BOOL xxxEnableSBCtlArrows(
|
|
HWND hwnd,
|
|
UINT wArrows)
|
|
{
|
|
UINT wOldFlags = CUxScrollBarCtl::GetDisableFlags( hwnd ); // Get the original status
|
|
BOOL bChanged = FALSE;
|
|
|
|
if (wArrows == ESB_ENABLE_BOTH) { // Enable both the arrows
|
|
bChanged = CUxScrollBarCtl::AddRemoveDisableFlags( hwnd, 0, SB_DISABLE_MASK );
|
|
} else {
|
|
bChanged = CUxScrollBarCtl::AddRemoveDisableFlags( hwnd, wArrows, 0 );
|
|
}
|
|
|
|
/*
|
|
* Check if the status has changed because of this call
|
|
*/
|
|
if (!bChanged)
|
|
return FALSE;
|
|
|
|
/*
|
|
* Else, redraw the scroll bar control to reflect the new state
|
|
*/
|
|
if (IsWindowVisible(hwnd))
|
|
InvalidateRect(hwnd, NULL, TRUE);
|
|
|
|
UINT wNewFlags = CUxScrollBarCtl::GetDisableFlags(hwnd);
|
|
|
|
// state change notifications
|
|
if ((wOldFlags & ESB_DISABLE_UP) != (wNewFlags & ESB_DISABLE_UP))
|
|
{
|
|
NotifyWinEvent(EVENT_OBJECT_STATECHANGE, hwnd, OBJID_CLIENT, INDEX_SCROLLBAR_UP);
|
|
}
|
|
|
|
if ((wOldFlags & ESB_DISABLE_DOWN) != (wNewFlags & ESB_DISABLE_DOWN))
|
|
{
|
|
NotifyWinEvent(EVENT_OBJECT_STATECHANGE, hwnd, OBJID_CLIENT, INDEX_SCROLLBAR_DOWN);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***************************************************************************\
|
|
* xxxEnableWndSBArrows()
|
|
*
|
|
* This function can be used to selectively Enable/Disable
|
|
* the arrows of a Window Scroll bar(s)
|
|
*
|
|
* History:
|
|
* 4-18-91 MikeHar Ported for the 31 merge
|
|
\***************************************************************************/
|
|
|
|
BOOL xxxEnableWndSBArrows(
|
|
HWND hwnd,
|
|
UINT wSBflags,
|
|
UINT wArrows)
|
|
{
|
|
INT wOldFlags;
|
|
PSBINFO pw;
|
|
BOOL bRetValue = FALSE;
|
|
HDC hdc;
|
|
|
|
CheckLock(hwnd);
|
|
ASSERT(IsWinEventNotifyDeferredOK());
|
|
|
|
if ((pw = CUxScrollBar::GetSBInfo( hwnd )) != NULL)
|
|
{
|
|
wOldFlags = pw->WSBflags;
|
|
}
|
|
else
|
|
{
|
|
// Originally everything is enabled; Check to see if this function is
|
|
// asked to disable anything; Otherwise, no change in status; So, must
|
|
// return immediately;
|
|
if(!wArrows)
|
|
return FALSE; // No change in status!
|
|
|
|
wOldFlags = 0; // Both are originally enabled;
|
|
|
|
CUxScrollBar::Attach( hwnd, FALSE, FALSE );
|
|
if((pw = CUxScrollBar::GetSBInfo(hwnd)) == NULL) // Allocate the pSBInfo for hWnd
|
|
return FALSE;
|
|
}
|
|
|
|
hdc = GetWindowDC(hwnd);
|
|
if (hdc != NULL)
|
|
{
|
|
|
|
/*
|
|
* First Take care of the Horizontal Scroll bar, if one exists.
|
|
*/
|
|
if((wSBflags == SB_HORZ) || (wSBflags == SB_BOTH)) {
|
|
if(wArrows == ESB_ENABLE_BOTH) // Enable both the arrows
|
|
pw->WSBflags &= ~SB_DISABLE_MASK;
|
|
else
|
|
pw->WSBflags |= wArrows;
|
|
|
|
/*
|
|
* Update the display of the Horizontal Scroll Bar;
|
|
*/
|
|
if(pw->WSBflags != wOldFlags) {
|
|
bRetValue = TRUE;
|
|
wOldFlags = pw->WSBflags;
|
|
if (TestWF(hwnd, WFHPRESENT) && !TestWF(hwnd, WFMINIMIZED) &&
|
|
IsWindowVisible(hwnd)) {
|
|
DrawScrollBar(hwnd, hdc, NULL, FALSE); // Horizontal Scroll Bar.
|
|
}
|
|
}
|
|
|
|
// Left button
|
|
if ((wOldFlags & ESB_DISABLE_LEFT) != (pw->WSBflags & ESB_DISABLE_LEFT))
|
|
{
|
|
NotifyWinEvent(EVENT_OBJECT_STATECHANGE, hwnd, OBJID_HSCROLL, INDEX_SCROLLBAR_UP);
|
|
}
|
|
|
|
// Right button
|
|
if ((wOldFlags & ESB_DISABLE_RIGHT) != (pw->WSBflags & ESB_DISABLE_RIGHT))
|
|
{
|
|
NotifyWinEvent(EVENT_OBJECT_STATECHANGE, hwnd, OBJID_HSCROLL, INDEX_SCROLLBAR_DOWN);
|
|
}
|
|
}
|
|
|
|
// Then take care of the Vertical Scroll bar, if one exists.
|
|
if ((wSBflags == SB_VERT) || (wSBflags == SB_BOTH))
|
|
{
|
|
if (wArrows == ESB_ENABLE_BOTH)
|
|
{
|
|
// Enable both the arrows
|
|
pw->WSBflags &= ~(SB_DISABLE_MASK << 2);
|
|
}
|
|
else
|
|
{
|
|
pw->WSBflags |= (wArrows << 2);
|
|
}
|
|
|
|
// Update the display of the Vertical Scroll Bar;
|
|
if(pw->WSBflags != wOldFlags)
|
|
{
|
|
bRetValue = TRUE;
|
|
if (TestWF(hwnd, WFVPRESENT) && !TestWF(hwnd, WFMINIMIZED) && IsWindowVisible(hwnd))
|
|
{
|
|
// Vertical Scroll Bar
|
|
DrawScrollBar(hwnd, hdc, NULL, TRUE);
|
|
}
|
|
|
|
// Up button
|
|
if ((wOldFlags & (ESB_DISABLE_UP << 2)) != (pw->WSBflags & (ESB_DISABLE_UP << 2)))
|
|
{
|
|
NotifyWinEvent(EVENT_OBJECT_STATECHANGE, hwnd, OBJID_VSCROLL, INDEX_SCROLLBAR_UP);
|
|
}
|
|
|
|
// Down button
|
|
if ((wOldFlags & (ESB_DISABLE_DOWN << 2)) != (pw->WSBflags & (ESB_DISABLE_DOWN << 2)))
|
|
{
|
|
NotifyWinEvent(EVENT_OBJECT_STATECHANGE, hwnd, OBJID_VSCROLL, INDEX_SCROLLBAR_DOWN);
|
|
}
|
|
}
|
|
}
|
|
|
|
ReleaseDC(hwnd,hdc);
|
|
}
|
|
|
|
return bRetValue;
|
|
}
|
|
|
|
|
|
/***************************************************************************\
|
|
* EnableScrollBar()
|
|
*
|
|
* This function can be used to selectively Enable/Disable
|
|
* the arrows of a scroll bar; It could be used with Windows Scroll
|
|
* bars as well as scroll bar controls
|
|
*
|
|
* History:
|
|
* 4-18-91 MikeHar Ported for the 31 merge
|
|
\***************************************************************************/
|
|
|
|
BOOL xxxEnableScrollBar(
|
|
HWND hwnd,
|
|
UINT wSBflags, // Whether it is a Window Scroll Bar; if so, HORZ or VERT?
|
|
// Possible values are SB_HORZ, SB_VERT, SB_CTL or SB_BOTH
|
|
UINT wArrows) // Which arrows must be enabled/disabled:
|
|
// ESB_ENABLE_BOTH = > Enable both arrows.
|
|
// ESB_DISABLE_LTUP = > Disable Left/Up arrow;
|
|
// ESB_DISABLE_RTDN = > DIsable Right/Down arrow;
|
|
// ESB_DISABLE_BOTH = > Disable both the arrows;
|
|
{
|
|
#define ES_NOTHING 0
|
|
#define ES_DISABLE 1
|
|
#define ES_ENABLE 2
|
|
UINT wOldFlags;
|
|
UINT wEnableWindow;
|
|
|
|
CheckLock(hwnd);
|
|
|
|
if(wSBflags != SB_CTL) {
|
|
return xxxEnableWndSBArrows(hwnd, wSBflags, wArrows);
|
|
}
|
|
|
|
/*
|
|
* Let us assume that we don't have to call EnableWindow
|
|
*/
|
|
wEnableWindow = ES_NOTHING;
|
|
|
|
wOldFlags = CUxScrollBarCtl::GetDisableFlags( hwnd ) & (UINT)SB_DISABLE_MASK;
|
|
|
|
/*
|
|
* Check if the present state of the arrows is exactly the same
|
|
* as what the caller wants:
|
|
*/
|
|
if (wOldFlags == wArrows)
|
|
return FALSE ; // If so, nothing needs to be done;
|
|
|
|
/*
|
|
* Check if the caller wants to disable both the arrows
|
|
*/
|
|
if (wArrows == ESB_DISABLE_BOTH) {
|
|
wEnableWindow = ES_DISABLE; // Yes! So, disable the whole SB Ctl.
|
|
} else {
|
|
|
|
/*
|
|
* Check if the caller wants to enable both the arrows
|
|
*/
|
|
if(wArrows == ESB_ENABLE_BOTH) {
|
|
|
|
/*
|
|
* We need to enable the SB Ctl only if it was already disabled.
|
|
*/
|
|
if(wOldFlags == ESB_DISABLE_BOTH)
|
|
wEnableWindow = ES_ENABLE;// EnableWindow(.., TRUE);
|
|
} else {
|
|
|
|
/*
|
|
* Now, Caller wants to disable only one arrow;
|
|
* Check if one of the arrows was already disabled and we want
|
|
* to disable the other;If so, the whole SB Ctl will have to be
|
|
* disabled; Check if this is the case:
|
|
*/
|
|
if((wOldFlags | wArrows) == ESB_DISABLE_BOTH)
|
|
wEnableWindow = ES_DISABLE; // EnableWindow(, FALSE);
|
|
}
|
|
}
|
|
if(wEnableWindow != ES_NOTHING) {
|
|
|
|
/*
|
|
* EnableWindow returns old state of the window; We must return
|
|
* TRUE only if the Old state is different from new state.
|
|
*/
|
|
if(EnableWindow(hwnd, (BOOL)(wEnableWindow == ES_ENABLE))) {
|
|
return !(TestWF(hwnd, WFDISABLED));
|
|
} else {
|
|
return TestWF(hwnd, WFDISABLED);
|
|
}
|
|
}
|
|
|
|
return (BOOL)SendMessage(hwnd, SBM_ENABLE_ARROWS, (DWORD)wArrows, 0);
|
|
#undef ES_NOTHING
|
|
#undef ES_DISABLE
|
|
#undef ES_ENABLE
|
|
}
|
|
|
|
//-------------------------------------------------------------------------
|
|
BOOL WINAPI ThemeEnableScrollBar( HWND hwnd, UINT nSBFlags, UINT nArrows )
|
|
{
|
|
return xxxEnableScrollBar( hwnd, nSBFlags, nArrows );
|
|
}
|
|
|
|
|
|
//-------------------------------------------------------------------------
|
|
//
|
|
// DrawSizeBox() - paints the scrollbar sizebox/gripper given top, left
|
|
// point in window coords.
|
|
//
|
|
void DrawSizeBox(HWND hwnd, HDC hdc, int x, int y)
|
|
{
|
|
RECT rc;
|
|
|
|
SetRect(&rc, x, y, x + SYSMET(CXVSCROLL), y + SYSMET(CYHSCROLL));
|
|
FillRect(hdc, &rc, GetSysColorBrush(COLOR_3DFACE));
|
|
|
|
//
|
|
// If we have a scrollbar control, or the sizebox is not associated with
|
|
// a sizeable window, draw the flat gray sizebox. Otherwise, use the
|
|
// sizing grip.
|
|
//
|
|
|
|
if ((IsScrollBarControl(hwnd) && TestWF(hwnd, SBFSIZEGRIP)) || SizeBoxHwnd(hwnd))
|
|
{
|
|
HTHEME hTheme = CUxScrollBar::GetSBTheme(hwnd);
|
|
|
|
if (!hTheme)
|
|
{
|
|
// Blt out the grip bitmap.
|
|
DrawFrameControl( hdc, &rc, DFC_SCROLL,
|
|
TestWF(hwnd, WEFLEFTSCROLL) ? DFCS_SCROLLSIZEGRIPRIGHT : DFCS_SCROLLSIZEGRIP );
|
|
|
|
//user: BitBltSysBmp(hdc, x, y, TestWF(hwnd, WEFLEFTSCROLL) ? OBI_NCGRIP_L : OBI_NCGRIP);
|
|
}
|
|
else
|
|
{
|
|
DrawThemeBackground(hTheme, hdc, SBP_SIZEBOX, TestWF(hwnd, WEFLEFTSCROLL) ? SZB_LEFTALIGN : SZB_RIGHTALIGN, &rc, 0);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
//-------------------------------------------------------------------------
|
|
//
|
|
// _DrawSizeBoxFromFrame
|
|
//
|
|
// Calculates position and draws of sizebox/gripper at fixed offset from
|
|
// perimeter of host window frame.
|
|
//
|
|
// This, combined with implementation of DrawSizeBox(),
|
|
// was the original DrawSize() port. Needed to expost method to
|
|
// draw sizebox at absolute position. [scotthan]
|
|
//
|
|
void _DrawSizeBoxFromFrame(HWND hwnd, HDC hdc, int cxFrame,int cyFrame )
|
|
{
|
|
int x, y;
|
|
RECT rcWindow;
|
|
|
|
GetWindowRect(hwnd, &rcWindow);
|
|
|
|
if (TestWF(hwnd, WEFLEFTSCROLL))
|
|
{
|
|
x = cxFrame;
|
|
}
|
|
else
|
|
{
|
|
x = rcWindow.right - rcWindow.left - cxFrame - SYSMET(CXVSCROLL);
|
|
}
|
|
|
|
y = rcWindow.bottom - rcWindow.top - cyFrame - SYSMET(CYHSCROLL);
|
|
|
|
DrawSizeBox(hwnd, hdc, x, y);
|
|
}
|
|
|
|
|
|
//-------------------------------------------------------------------------
|
|
HBRUSH ScrollBar_GetControlColor(
|
|
HWND hwndOwner,
|
|
HWND hwndCtl,
|
|
HDC hdc,
|
|
UINT uMsg,
|
|
BOOL* pfOwnerBrush)
|
|
{
|
|
HBRUSH hbrRet = (HBRUSH)DefWindowProc(hwndOwner, uMsg, (WPARAM)hdc, (LPARAM)hwndCtl);
|
|
BOOL fOwnerBrush = FALSE;
|
|
|
|
if (hwndOwner && (GetWindowThreadProcessId(hwndOwner, NULL) == GetCurrentThreadId()))
|
|
{
|
|
HBRUSH hbrOwner = (HBRUSH)SendMessage(hwndOwner, uMsg, (WPARAM)hdc, (LPARAM)hwndCtl);
|
|
|
|
if (hbrOwner && (hbrOwner != hbrRet))
|
|
{
|
|
fOwnerBrush = TRUE;
|
|
hbrRet = hbrOwner;
|
|
}
|
|
}
|
|
|
|
if (pfOwnerBrush)
|
|
{
|
|
*pfOwnerBrush = fOwnerBrush;
|
|
}
|
|
|
|
return hbrRet;
|
|
}
|
|
|
|
|
|
//-------------------------------------------------------------------------
|
|
HBRUSH ScrollBar_GetControlBrush(HWND hwnd, HDC hdc, UINT uMsg, BOOL *pfOwnerBrush)
|
|
{
|
|
HWND hwndSend;
|
|
|
|
hwndSend = TESTFLAG(GetWindowStyle(hwnd), WS_POPUP) ? GetOwner(hwnd) : GetParent(hwnd);
|
|
if (hwndSend == NULL)
|
|
{
|
|
hwndSend = hwnd;
|
|
}
|
|
|
|
return ScrollBar_GetControlColor(hwndSend, hwnd, hdc, uMsg, pfOwnerBrush);
|
|
}
|
|
|
|
|
|
//-------------------------------------------------------------------------
|
|
HBRUSH ScrollBar_GetColorObjects(HWND hwnd, HDC hdc, BOOL *pfOwnerBrush)
|
|
{
|
|
HBRUSH hbrRet;
|
|
|
|
CheckLock(hwnd);
|
|
|
|
// Use the scrollbar color even if the scrollbar is disabeld.
|
|
if (!IsScrollBarControl(hwnd))
|
|
{
|
|
hbrRet = (HBRUSH)DefWindowProc(hwnd, WM_CTLCOLORSCROLLBAR, (WPARAM)hdc, (LPARAM)HWq(hwnd));
|
|
}
|
|
else
|
|
{
|
|
// B#12770 - GetControlBrush sends a WM_CTLCOLOR message to the
|
|
// owner. If the app doesn't process the message, DefWindowProc32
|
|
// will always return the appropriate system brush. If the app.
|
|
// returns an invalid object, GetControlBrush will call DWP for
|
|
// the default brush. Thus hbrRet doesn't need any validation
|
|
// here.
|
|
hbrRet = ScrollBar_GetControlBrush(hwnd, hdc, WM_CTLCOLORSCROLLBAR, pfOwnerBrush);
|
|
}
|
|
|
|
return hbrRet;
|
|
}
|
|
|
|
|
|
//-------------------------------------------------------------------------
|
|
//
|
|
// ScrollBar_PaintTrack
|
|
//
|
|
// Draws lines & middle of thumb groove
|
|
// Note that pw points into prc. Moreover, note that both pw & prc are
|
|
// pointers, so *prc better not be on the stack.
|
|
//
|
|
void ScrollBar_PaintTrack(HWND hwnd, HDC hdc, HBRUSH hbr, LPRECT prc, BOOL fVert, INT iPartId, BOOL fOwnerBrush)
|
|
{
|
|
HTHEME hTheme = CUxScrollBar::GetSBTheme(hwnd);
|
|
|
|
// If the scrollbar is unthemed or
|
|
// #374054 we've been passed an brush defined by the owner, paint
|
|
// the shaft using the brush
|
|
if ((hTheme == NULL) || (fOwnerBrush == TRUE))
|
|
{
|
|
if ((hbr == SYSHBR(3DHILIGHT)) || (hbr == SYSHBR(SCROLLBAR)) || (hbr == _UxGrayBrush()) )
|
|
{
|
|
FillRect(hdc, prc, hbr);
|
|
}
|
|
else
|
|
{
|
|
#ifdef PORTPORT // we need SystemParametersInfo for _UxGrayBrush
|
|
// Draw sides
|
|
CopyRect(&rc, prc);
|
|
DrawEdge(hdc, &rc, EDGE_SUNKEN, BF_ADJUST | BF_FLAT |
|
|
(fVert ? BF_LEFT | BF_RIGHT : BF_TOP | BF_BOTTOM));
|
|
#endif PORTPORT
|
|
|
|
// Fill middle
|
|
FillRect(hdc, prc, hbr);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
INT iStateId;
|
|
INT ht = CUxScrollBar::GetSBHotComponent(hwnd, fVert);
|
|
|
|
if ((CUxScrollBarCtl::GetDisableFlags(hwnd) & ESB_DISABLE_BOTH) == ESB_DISABLE_BOTH)
|
|
{
|
|
iStateId = SCRBS_DISABLED;
|
|
}
|
|
else if ((((iPartId == SBP_LOWERTRACKHORZ) || (iPartId == SBP_LOWERTRACKVERT)) && (ht == HTSCROLLUPPAGE)) ||
|
|
(((iPartId == SBP_UPPERTRACKHORZ) || (iPartId == SBP_UPPERTRACKVERT)) && (ht == HTSCROLLDOWNPAGE)))
|
|
{
|
|
iStateId = SCRBS_HOT;
|
|
}
|
|
else
|
|
{
|
|
iStateId = SCRBS_NORMAL;
|
|
}
|
|
DrawThemeBackground(hTheme, hdc, iPartId, iStateId, prc, 0);
|
|
}
|
|
}
|
|
|
|
/***************************************************************************\
|
|
* CalcTrackDragRect
|
|
*
|
|
* Give the rectangle for a scrollbar in pSBTrack->pSBCalc,
|
|
* calculate pSBTrack->rcTrack, the rectangle where tracking
|
|
* may occur without cancelling the thumbdrag operation.
|
|
*
|
|
\***************************************************************************/
|
|
|
|
void CalcTrackDragRect(PSBTRACK pSBTrack) {
|
|
|
|
int cx;
|
|
int cy;
|
|
LPINT pwX, pwY;
|
|
|
|
//
|
|
// Point pwX and pwY at the parts of the rectangle
|
|
// corresponding to pSBCalc->pxLeft, pxTop, etc.
|
|
//
|
|
// pSBTrack->pSBCalc->pxLeft is the left edge of a vertical
|
|
// scrollbar and the top edge of horizontal one.
|
|
// pSBTrack->pSBCalc->pxTop is the top of a vertical
|
|
// scrollbar and the left of horizontal one.
|
|
// etc...
|
|
//
|
|
// Point pwX and pwY to the corresponding parts
|
|
// of pSBTrack->rcTrack.
|
|
//
|
|
|
|
pwX = pwY = (LPINT)&pSBTrack->rcTrack;
|
|
|
|
if (pSBTrack->fTrackVert) {
|
|
cy = SYSMET(CYVTHUMB);
|
|
pwY++;
|
|
} else {
|
|
cy = SYSMET(CXHTHUMB);
|
|
pwX++;
|
|
}
|
|
/*
|
|
* Later5.0 GerardoB: People keep complaining about this tracking region
|
|
* being too narrow so let's make it wider while PM decides what to do
|
|
* about it.
|
|
* We also used to have some hard coded min and max values but that should
|
|
* depend on some metric, if at all needed.
|
|
*/
|
|
cx = (pSBTrack->pSBCalc->pxRight - pSBTrack->pSBCalc->pxLeft) * 8;
|
|
cy *= 2;
|
|
|
|
*(pwX + 0) = pSBTrack->pSBCalc->pxLeft - cx;
|
|
*(pwY + 0) = pSBTrack->pSBCalc->pxTop - cy;
|
|
*(pwX + 2) = pSBTrack->pSBCalc->pxRight + cx;
|
|
*(pwY + 2) = pSBTrack->pSBCalc->pxBottom + cy;
|
|
}
|
|
|
|
void RecalcTrackRect(PSBTRACK pSBTrack) {
|
|
LPINT pwX, pwY;
|
|
RECT rcSB;
|
|
|
|
|
|
if (!pSBTrack->fCtlSB)
|
|
CUxScrollBar::Calc(pSBTrack->hwndTrack, pSBTrack->pSBCalc, NULL, pSBTrack->fTrackVert);
|
|
|
|
pwX = (LPINT)&rcSB;
|
|
pwY = pwX + 1;
|
|
if (!pSBTrack->fTrackVert)
|
|
pwX = pwY--;
|
|
|
|
*(pwX + 0) = pSBTrack->pSBCalc->pxLeft;
|
|
*(pwY + 0) = pSBTrack->pSBCalc->pxTop;
|
|
*(pwX + 2) = pSBTrack->pSBCalc->pxRight;
|
|
*(pwY + 2) = pSBTrack->pSBCalc->pxBottom;
|
|
|
|
switch(pSBTrack->cmdSB) {
|
|
case SB_LINEUP:
|
|
*(pwY + 2) = pSBTrack->pSBCalc->pxUpArrow;
|
|
break;
|
|
case SB_LINEDOWN:
|
|
*(pwY + 0) = pSBTrack->pSBCalc->pxDownArrow;
|
|
break;
|
|
case SB_PAGEUP:
|
|
*(pwY + 0) = pSBTrack->pSBCalc->pxUpArrow;
|
|
*(pwY + 2) = pSBTrack->pSBCalc->pxThumbTop;
|
|
break;
|
|
case SB_THUMBPOSITION:
|
|
CalcTrackDragRect(pSBTrack);
|
|
break;
|
|
case SB_PAGEDOWN:
|
|
*(pwY + 0) = pSBTrack->pSBCalc->pxThumbBottom;
|
|
*(pwY + 2) = pSBTrack->pSBCalc->pxDownArrow;
|
|
break;
|
|
}
|
|
|
|
if (pSBTrack->cmdSB != SB_THUMBPOSITION) {
|
|
CopyRect(&pSBTrack->rcTrack, &rcSB);
|
|
}
|
|
}
|
|
|
|
//-------------------------------------------------------------------------
|
|
void DrawThumb2(
|
|
HWND hwnd,
|
|
PSBCALC pSBCalc,
|
|
HDC hdc,
|
|
HBRUSH hbr,
|
|
BOOL fVert,
|
|
UINT wDisable, // Disabled flags for the scroll bar
|
|
BOOL fOwnerBrush)
|
|
{
|
|
int *pLength;
|
|
int *pWidth;
|
|
RECT rcSB;
|
|
PSBTRACK pSBTrack;
|
|
HTHEME hTheme = CUxScrollBar::GetSBTheme(hwnd);
|
|
|
|
//
|
|
// Bail out if the scrollbar has an empty rect
|
|
//
|
|
if ((pSBCalc->pxTop >= pSBCalc->pxBottom) || (pSBCalc->pxLeft >= pSBCalc->pxRight))
|
|
{
|
|
return;
|
|
}
|
|
|
|
pLength = (LPINT)&rcSB;
|
|
if (fVert)
|
|
{
|
|
pWidth = pLength++;
|
|
}
|
|
else
|
|
{
|
|
pWidth = pLength + 1;
|
|
}
|
|
|
|
pWidth[0] = pSBCalc->pxLeft;
|
|
pWidth[2] = pSBCalc->pxRight;
|
|
|
|
// If were're not themed and both buttons are disabled OR there isn't
|
|
// enough room to draw a thumb just draw the track and run.
|
|
//
|
|
// When we are themed the thumb can be drawn disabled.
|
|
if (((wDisable & LTUPFLAG) && (wDisable & RTDNFLAG)) ||
|
|
((pSBCalc->pxDownArrow - pSBCalc->pxUpArrow) < pSBCalc->cpxThumb))
|
|
{
|
|
// draw the entire track
|
|
pLength[0] = pSBCalc->pxUpArrow;
|
|
pLength[2] = pSBCalc->pxDownArrow;
|
|
|
|
ScrollBar_PaintTrack(hwnd, hdc, hbr, &rcSB, fVert, fVert ? SBP_LOWERTRACKVERT : SBP_LOWERTRACKHORZ, fOwnerBrush);
|
|
return;
|
|
}
|
|
|
|
if (pSBCalc->pxUpArrow < pSBCalc->pxThumbTop)
|
|
{
|
|
// draw the track above the thumb
|
|
pLength[0] = pSBCalc->pxUpArrow;
|
|
pLength[2] = pSBCalc->pxThumbTop;
|
|
|
|
ScrollBar_PaintTrack(hwnd, hdc, hbr, &rcSB, fVert, fVert ? SBP_LOWERTRACKVERT : SBP_LOWERTRACKHORZ, fOwnerBrush);
|
|
}
|
|
|
|
if (pSBCalc->pxThumbBottom < pSBCalc->pxDownArrow)
|
|
{
|
|
// draw the track below the thumb
|
|
pLength[0] = pSBCalc->pxThumbBottom;
|
|
pLength[2] = pSBCalc->pxDownArrow;
|
|
|
|
ScrollBar_PaintTrack(hwnd, hdc, hbr, &rcSB, fVert, fVert ? SBP_UPPERTRACKVERT : SBP_UPPERTRACKHORZ, fOwnerBrush);
|
|
}
|
|
|
|
//
|
|
// Draw elevator
|
|
//
|
|
pLength[0] = pSBCalc->pxThumbTop;
|
|
pLength[2] = pSBCalc->pxThumbBottom;
|
|
|
|
// Not soft!
|
|
_DrawPushButton(hwnd, hdc, &rcSB, 0, 0, fVert);
|
|
|
|
#ifdef _VISUAL_DELTA_
|
|
InflateRect( &rcSB, -CARET_BORDERWIDTH, -CARET_BORDERWIDTH);
|
|
DrawEdge( hdc, &rcSB, EDGE_SUNKEN, BF_RECT );
|
|
#endif _VISUAL_DELTA_
|
|
|
|
/*
|
|
* If we're tracking a page scroll, then we've obliterated the hilite.
|
|
* We need to correct the hiliting rectangle, and rehilite it.
|
|
*/
|
|
pSBTrack = CUxScrollBar::GetSBTrack(hwnd);
|
|
|
|
if (pSBTrack && (pSBTrack->cmdSB == SB_PAGEUP || pSBTrack->cmdSB == SB_PAGEDOWN) &&
|
|
(hwnd == pSBTrack->hwndTrack) &&
|
|
(BOOL)pSBTrack->fTrackVert == fVert) {
|
|
|
|
if (pSBTrack->fTrackRecalc) {
|
|
RecalcTrackRect(pSBTrack);
|
|
pSBTrack->fTrackRecalc = FALSE;
|
|
}
|
|
|
|
pLength = (int *)&pSBTrack->rcTrack;
|
|
|
|
if (fVert)
|
|
pLength++;
|
|
|
|
if (pSBTrack->cmdSB == SB_PAGEUP)
|
|
pLength[2] = pSBCalc->pxThumbTop;
|
|
else
|
|
pLength[0] = pSBCalc->pxThumbBottom;
|
|
|
|
if (pLength[0] < pLength[2])
|
|
{
|
|
if (!hTheme)
|
|
{
|
|
InvertRect(hdc, &pSBTrack->rcTrack);
|
|
}
|
|
else
|
|
{
|
|
DrawThemeBackground(hTheme,
|
|
hdc,
|
|
pSBTrack->cmdSB == SB_PAGEUP ?
|
|
(fVert ? SBP_LOWERTRACKVERT : SBP_LOWERTRACKHORZ) :
|
|
(fVert ? SBP_UPPERTRACKVERT : SBP_UPPERTRACKHORZ),
|
|
SCRBS_PRESSED,
|
|
&pSBTrack->rcTrack,
|
|
0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/***************************************************************************\
|
|
* xxxDrawSB2
|
|
*
|
|
*
|
|
*
|
|
* History:
|
|
\***************************************************************************/
|
|
|
|
void xxxDrawSB2(
|
|
HWND hwnd,
|
|
PSBCALC pSBCalc,
|
|
HDC hdc,
|
|
BOOL fVert,
|
|
UINT wDisable)
|
|
{
|
|
|
|
int cLength;
|
|
int cWidth;
|
|
int *pwX;
|
|
int *pwY;
|
|
HBRUSH hbr;
|
|
HBRUSH hbrSave;
|
|
int cpxArrow;
|
|
RECT rc, rcSB;
|
|
COLORREF crText, crBk;
|
|
HTHEME hTheme;
|
|
INT ht;
|
|
INT iStateId;
|
|
BOOL fOwnerBrush = FALSE;
|
|
|
|
CheckLock(hwnd);
|
|
|
|
cLength = (pSBCalc->pxBottom - pSBCalc->pxTop) / 2;
|
|
cWidth = (pSBCalc->pxRight - pSBCalc->pxLeft);
|
|
|
|
if ((cLength <= 0) || (cWidth <= 0)) {
|
|
return;
|
|
}
|
|
|
|
if (fVert)
|
|
{
|
|
cpxArrow = SYSMET(CYVSCROLL);
|
|
}
|
|
else
|
|
{
|
|
cpxArrow = SYSMET(CXHSCROLL);
|
|
}
|
|
|
|
// Save background and DC color, since they get changed in
|
|
// ScrollBar_GetColorObjects. Restore before we return.
|
|
crBk = GetBkColor(hdc);
|
|
crText = GetTextColor(hdc);
|
|
|
|
hbr = ScrollBar_GetColorObjects(hwnd, hdc, &fOwnerBrush);
|
|
|
|
if (cLength > cpxArrow)
|
|
{
|
|
cLength = cpxArrow;
|
|
}
|
|
|
|
pwX = (int *)&rcSB;
|
|
pwY = pwX + 1;
|
|
if (!fVert)
|
|
{
|
|
pwX = pwY--;
|
|
}
|
|
|
|
pwX[0] = pSBCalc->pxLeft;
|
|
pwY[0] = pSBCalc->pxTop;
|
|
pwX[2] = pSBCalc->pxRight;
|
|
pwY[2] = pSBCalc->pxBottom;
|
|
|
|
hbrSave = SelectBrush(hdc, SYSHBR(BTNTEXT));
|
|
|
|
//
|
|
// BOGUS
|
|
// Draw scrollbar arrows as disabled if the scrollbar itself is
|
|
// disabled OR if the window it is a part of is disabled?
|
|
//
|
|
hTheme = CUxScrollBar::GetSBTheme(hwnd);
|
|
ht = CUxScrollBar::GetSBHotComponent(hwnd, fVert);
|
|
if (fVert)
|
|
{
|
|
// up button
|
|
CopyRect(&rc, &rcSB);
|
|
rc.bottom = rc.top + cLength;
|
|
if (!hTheme)
|
|
{
|
|
DrawFrameControl(hdc, &rc, DFC_SCROLL,
|
|
DFCS_SCROLLUP | ((wDisable & LTUPFLAG) ? DFCS_INACTIVE : 0));
|
|
}
|
|
else
|
|
{
|
|
iStateId = (wDisable & LTUPFLAG) ? ABS_UPDISABLED : (ht == HTSCROLLUP) ? ABS_UPHOT : ABS_UPNORMAL;
|
|
DrawThemeBackground(hTheme, hdc, SBP_ARROWBTN, iStateId, &rc, 0);
|
|
}
|
|
|
|
// down button
|
|
rc.bottom = rcSB.bottom;
|
|
rc.top = rcSB.bottom - cLength;
|
|
if (!hTheme)
|
|
{
|
|
DrawFrameControl(hdc, &rc, DFC_SCROLL,
|
|
DFCS_SCROLLDOWN | ((wDisable & RTDNFLAG) ? DFCS_INACTIVE : 0));
|
|
}
|
|
else
|
|
{
|
|
iStateId = (wDisable & RTDNFLAG) ? ABS_DOWNDISABLED : (ht == HTSCROLLDOWN) ? ABS_DOWNHOT : ABS_DOWNNORMAL;
|
|
DrawThemeBackground(hTheme, hdc, SBP_ARROWBTN, iStateId, &rc, 0);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// left button
|
|
CopyRect(&rc, &rcSB);
|
|
rc.right = rc.left + cLength;
|
|
if (!hTheme)
|
|
{
|
|
DrawFrameControl(hdc, &rc, DFC_SCROLL,
|
|
DFCS_SCROLLLEFT | ((wDisable & LTUPFLAG) ? DFCS_INACTIVE : 0));
|
|
}
|
|
else
|
|
{
|
|
iStateId = (wDisable & LTUPFLAG) ? ABS_LEFTDISABLED : (ht == HTSCROLLUP) ? ABS_LEFTHOT : ABS_LEFTNORMAL;
|
|
DrawThemeBackground(hTheme, hdc, SBP_ARROWBTN, iStateId, &rc, 0);
|
|
}
|
|
|
|
// right button
|
|
rc.right = rcSB.right;
|
|
rc.left = rcSB.right - cLength;
|
|
if (!hTheme)
|
|
{
|
|
DrawFrameControl(hdc, &rc, DFC_SCROLL,
|
|
DFCS_SCROLLRIGHT | ((wDisable & RTDNFLAG) ? DFCS_INACTIVE : 0));
|
|
}
|
|
else
|
|
{
|
|
iStateId = (wDisable & RTDNFLAG) ? ABS_RIGHTDISABLED : (ht == HTSCROLLDOWN) ? ABS_RIGHTHOT : ABS_RIGHTNORMAL;
|
|
DrawThemeBackground(hTheme, hdc, SBP_ARROWBTN, iStateId, &rc, 0);
|
|
}
|
|
}
|
|
|
|
hbrSave = SelectBrush(hdc, hbrSave);
|
|
DrawThumb2(hwnd, pSBCalc, hdc, hbr, fVert, wDisable, fOwnerBrush);
|
|
SelectBrush(hdc, hbrSave);
|
|
|
|
SetBkColor(hdc, crBk);
|
|
SetTextColor(hdc, crText);
|
|
}
|
|
|
|
/***************************************************************************\
|
|
* zzzSetSBCaretPos
|
|
*
|
|
*
|
|
*
|
|
* History:
|
|
\***************************************************************************/
|
|
|
|
void zzzSetSBCaretPos(
|
|
SBHWND hwndSB)
|
|
{
|
|
|
|
if (GetFocus() == hwndSB) {
|
|
CUxScrollBarCtl* psb = CUxScrollBarCtl::FromHwnd( hwndSB );
|
|
if( psb )
|
|
{
|
|
int x = (psb->_fVert ? psb->_calc.pxLeft : psb->_calc.pxThumbTop) + SYSMET(CXEDGE);
|
|
int y = (psb->_fVert ? psb->_calc.pxThumbTop : psb->_calc.pxLeft) + SYSMET(CYEDGE);
|
|
|
|
#ifdef _VISUAL_DELTA_
|
|
x += CARET_BORDERWIDTH;
|
|
y += CARET_BORDERWIDTH;
|
|
#endif _VISUAL_DELTA_
|
|
|
|
SetCaretPos( x, y );
|
|
}
|
|
}
|
|
}
|
|
|
|
/***************************************************************************\
|
|
* SBCtlSetup
|
|
*
|
|
*
|
|
*
|
|
* History:
|
|
\***************************************************************************/
|
|
|
|
CUxScrollBarCtl* SBCtlSetup(
|
|
SBHWND hwndSB)
|
|
{
|
|
RECT rc;
|
|
GetClientRect( hwndSB, &rc );
|
|
CUxScrollBarCtl* psb = (CUxScrollBarCtl*)CUxScrollBar::Attach( hwndSB, TRUE, FALSE );
|
|
if( psb )
|
|
{
|
|
psb->Calc2( &psb->_calc, &rc, &psb->_calc.data, psb->_fVert );
|
|
}
|
|
return psb;
|
|
}
|
|
|
|
/***************************************************************************\
|
|
* HotTrackSB
|
|
*
|
|
\***************************************************************************/
|
|
|
|
#ifdef COLOR_HOTTRACKING
|
|
|
|
DWORD GetTrackFlags(int ht, BOOL fDraw)
|
|
{
|
|
if (fDraw) {
|
|
switch(ht) {
|
|
case HTSCROLLUP:
|
|
case HTSCROLLUPPAGE:
|
|
return LTUPFLAG;
|
|
|
|
case HTSCROLLDOWN:
|
|
case HTSCROLLDOWNPAGE:
|
|
return RTDNFLAG;
|
|
|
|
case HTSCROLLTHUMB:
|
|
return LTUPFLAG | RTDNFLAG;
|
|
|
|
default:
|
|
return 0;
|
|
}
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
void xxxHotTrackSBCtl(SBHWND hwndSB, int ht, BOOL fDraw)
|
|
{
|
|
DWORD dwTrack = GetTrackFlags(ht, fDraw);
|
|
HDC hdc;
|
|
|
|
CheckLock(hwndSB);
|
|
|
|
SBCtlSetup(hwndSB);
|
|
hdc = _GetDCEx((HWND)hwndSB, NULL, DCX_WINDOW | DCX_USESTYLE | DCX_CACHE);
|
|
xxxDrawSB2((HWND)hwndSB, &psb->_calc, hdc, psb->_fVert, psb->_wDisableFlags, dwTrack);
|
|
ReleaseDC(hwnd, hdc);
|
|
}
|
|
#endif // COLOR_HOTTRACKING
|
|
|
|
BOOL SBSetParms(PSBDATA pw, LPSCROLLINFO lpsi, LPBOOL lpfScroll, LPLONG lplres)
|
|
{
|
|
// pass the struct because we modify the struct but don't want that
|
|
// modified version to get back to the calling app
|
|
|
|
BOOL fChanged = FALSE;
|
|
|
|
if (lpsi->fMask & SIF_RETURNOLDPOS)
|
|
// save previous position
|
|
*lplres = pw->pos;
|
|
|
|
if (lpsi->fMask & SIF_RANGE) {
|
|
// if the range MAX is below the range MIN -- then treat is as a
|
|
// zero range starting at the range MIN.
|
|
if (lpsi->nMax < lpsi->nMin)
|
|
lpsi->nMax = lpsi->nMin;
|
|
|
|
if ((pw->posMin != lpsi->nMin) || (pw->posMax != lpsi->nMax)) {
|
|
pw->posMin = lpsi->nMin;
|
|
pw->posMax = lpsi->nMax;
|
|
|
|
if (!(lpsi->fMask & SIF_PAGE)) {
|
|
lpsi->fMask |= SIF_PAGE;
|
|
lpsi->nPage = pw->page;
|
|
}
|
|
|
|
if (!(lpsi->fMask & SIF_POS)) {
|
|
lpsi->fMask |= SIF_POS;
|
|
lpsi->nPos = pw->pos;
|
|
}
|
|
|
|
fChanged = TRUE;
|
|
}
|
|
}
|
|
|
|
if (lpsi->fMask & SIF_PAGE) {
|
|
DWORD dwMaxPage = (DWORD) abs(pw->posMax - pw->posMin) + 1;
|
|
|
|
// Clip page to 0, posMax - posMin + 1
|
|
|
|
if (lpsi->nPage > dwMaxPage)
|
|
lpsi->nPage = dwMaxPage;
|
|
|
|
|
|
if (pw->page != (int)(lpsi->nPage)) {
|
|
pw->page = lpsi->nPage;
|
|
|
|
if (!(lpsi->fMask & SIF_POS)) {
|
|
lpsi->fMask |= SIF_POS;
|
|
lpsi->nPos = pw->pos;
|
|
}
|
|
|
|
fChanged = TRUE;
|
|
}
|
|
}
|
|
|
|
if (lpsi->fMask & SIF_POS) {
|
|
int iMaxPos = pw->posMax - ((pw->page) ? pw->page - 1 : 0);
|
|
// Clip pos to posMin, posMax - (page - 1).
|
|
|
|
if (lpsi->nPos < pw->posMin)
|
|
lpsi->nPos = pw->posMin;
|
|
else if (lpsi->nPos > iMaxPos)
|
|
lpsi->nPos = iMaxPos;
|
|
|
|
|
|
if (pw->pos != lpsi->nPos) {
|
|
pw->pos = lpsi->nPos;
|
|
fChanged = TRUE;
|
|
}
|
|
}
|
|
|
|
if (!(lpsi->fMask & SIF_RETURNOLDPOS)) {
|
|
// Return the new position
|
|
*lplres = pw->pos;
|
|
}
|
|
|
|
/*
|
|
* This was added by JimA as Cairo merge but will conflict
|
|
* with the documentation for SetScrollPos
|
|
*/
|
|
/*
|
|
else if (*lplres == pw->pos)
|
|
*lplres = 0;
|
|
*/
|
|
if (lpsi->fMask & SIF_RANGE) {
|
|
*lpfScroll = (pw->posMin != pw->posMax);
|
|
if (*lpfScroll)
|
|
goto checkPage;
|
|
} else if (lpsi->fMask & SIF_PAGE)
|
|
checkPage:
|
|
*lpfScroll = (pw->page <= (pw->posMax - pw->posMin));
|
|
|
|
return fChanged;
|
|
}
|
|
|
|
|
|
/***************************************************************************\
|
|
*
|
|
* DrawCtlThumb()
|
|
*
|
|
\***************************************************************************/
|
|
void DrawCtlThumb(SBHWND hwnd)
|
|
{
|
|
HBRUSH hbr, hbrSave;
|
|
HDC hdc = (HDC) GetWindowDC(hwnd);
|
|
|
|
if ( hdc != NULL )
|
|
{
|
|
CUxScrollBarCtl* psb = SBCtlSetup(hwnd);
|
|
|
|
if (psb)
|
|
{
|
|
BOOL fOwnerBrush = FALSE;
|
|
|
|
hbr = ScrollBar_GetColorObjects(hwnd, hdc, &fOwnerBrush);
|
|
hbrSave = SelectBrush(hdc, hbr);
|
|
|
|
DrawThumb2(hwnd, &psb->_calc, hdc, hbr, psb->_fVert, psb->_wDisableFlags, fOwnerBrush);
|
|
|
|
SelectBrush(hdc, hbrSave);
|
|
}
|
|
|
|
ReleaseDC(hwnd, hdc);
|
|
}
|
|
}
|
|
|
|
|
|
//-------------------------------------------------------------------------
|
|
void xxxDrawThumb(HWND hwnd, PSBCALC pSBCalc, BOOL fVert)
|
|
{
|
|
HBRUSH hbr, hbrSave;
|
|
HDC hdc;
|
|
UINT wDisableFlags;
|
|
SBCALC SBCalc;
|
|
|
|
CheckLock(hwnd);
|
|
|
|
if (!pSBCalc)
|
|
{
|
|
pSBCalc = &SBCalc;
|
|
}
|
|
|
|
CUxScrollBar::Calc( hwnd, pSBCalc, NULL, fVert );
|
|
wDisableFlags = _GetWndSBDisableFlags(hwnd, fVert);
|
|
|
|
hdc = GetWindowDC(hwnd);
|
|
if ( hdc != NULL )
|
|
{
|
|
BOOL fOwnerBrush = FALSE;
|
|
|
|
hbr = ScrollBar_GetColorObjects(hwnd, hdc, &fOwnerBrush);
|
|
hbrSave = SelectBrush(hdc, hbr);
|
|
DrawThumb2(hwnd, pSBCalc, hdc, hbr, fVert, wDisableFlags, fOwnerBrush);
|
|
SelectBrush(hdc, hbrSave);
|
|
ReleaseDC(hwnd, hdc);
|
|
}
|
|
}
|
|
|
|
|
|
//-------------------------------------------------------------------------
|
|
UINT _GetArrowEnableFlags(HWND hwnd, BOOL fVert)
|
|
{
|
|
SCROLLBARINFO sbi = {0};
|
|
UINT uFlags = ESB_ENABLE_BOTH;
|
|
|
|
sbi.cbSize = sizeof(sbi);
|
|
if ( GetScrollBarInfo(hwnd, fVert ? OBJID_VSCROLL : OBJID_HSCROLL, &sbi) )
|
|
{
|
|
if ( TESTFLAG(sbi.rgstate[INDEX_SCROLLBAR_UP], (STATE_SYSTEM_UNAVAILABLE|STATE_SYSTEM_INVISIBLE)) )
|
|
{
|
|
uFlags |= ESB_DISABLE_UP;
|
|
}
|
|
|
|
if ( TESTFLAG(sbi.rgstate[INDEX_SCROLLBAR_DOWN], (STATE_SYSTEM_UNAVAILABLE|STATE_SYSTEM_INVISIBLE)) )
|
|
{
|
|
uFlags |= ESB_DISABLE_DOWN;
|
|
}
|
|
}
|
|
|
|
return uFlags;
|
|
}
|
|
|
|
|
|
/***************************************************************************\
|
|
* _SetScrollBar
|
|
*
|
|
*
|
|
*
|
|
* History:
|
|
\***************************************************************************/
|
|
|
|
LONG _SetScrollBar(
|
|
HWND hwnd,
|
|
int code,
|
|
LPSCROLLINFO lpsi,
|
|
BOOL fRedraw)
|
|
{
|
|
BOOL fVert;
|
|
PSBDATA pw;
|
|
PSBINFO pSBInfo;
|
|
BOOL fOldScroll;
|
|
BOOL fScroll;
|
|
WORD wfScroll;
|
|
LONG lres;
|
|
BOOL fNewScroll;
|
|
|
|
CheckLock(hwnd);
|
|
ASSERT(IsWinEventNotifyDeferredOK());
|
|
|
|
if (fRedraw)
|
|
// window must be visible to redraw
|
|
fRedraw = IsWindowVisible(hwnd);
|
|
|
|
if (code == SB_CTL)
|
|
#ifdef FE_SB // xxxSetScrollBar()
|
|
// scroll bar control; send the control a message
|
|
if(GETPTI(hwnd)->TIF_flags & TIF_16BIT) {
|
|
//
|
|
// If the target application is 16bit apps, we don't pass win40's message.
|
|
// This fix for Ichitaro v6.3. It eats the message. It never forwards
|
|
// the un-processed messages to original windows procedure via
|
|
// CallWindowProc().
|
|
//
|
|
// Is this from xxxSetScrollPos() ?
|
|
if(lpsi->fMask == (SIF_POS|SIF_RETURNOLDPOS)) {
|
|
return (int)SendMessage(hwnd, SBM_SETPOS, lpsi->nPos, fRedraw);
|
|
// Is this from xxxSetScrollRange() ?
|
|
} else if(lpsi->fMask == SIF_RANGE) {
|
|
SendMessage(hwnd, SBM_SETRANGE, lpsi->nMin, lpsi->nMax);
|
|
return TRUE;
|
|
// Others...
|
|
} else {
|
|
return (LONG)SendMessage(hwnd, SBM_SETSCROLLINFO, (WPARAM) fRedraw, (LPARAM) lpsi);
|
|
}
|
|
} else {
|
|
return (LONG)SendMessage(hwnd, SBM_SETSCROLLINFO, (WPARAM) fRedraw, (LPARAM) lpsi);
|
|
}
|
|
#else
|
|
// scroll bar control; send the control a message
|
|
return (LONG)SendMessage(hwnd, SBM_SETSCROLLINFO, (WPARAM) fRedraw, (LPARAM) lpsi);
|
|
#endif // FE_SB
|
|
|
|
fVert = (code != SB_HORZ);
|
|
|
|
wfScroll = (WORD)((fVert) ? WFVSCROLL : WFHSCROLL);
|
|
|
|
fScroll = fOldScroll = (TestWF(hwnd, wfScroll)) ? TRUE : FALSE;
|
|
|
|
/*
|
|
* Don't do anything if we're setting position of a nonexistent scroll bar.
|
|
*/
|
|
if (!(lpsi->fMask & SIF_RANGE) && !fOldScroll && (CUxScrollBar::GetSBInfo( hwnd ) == NULL)) {
|
|
RIPERR0(ERROR_NO_SCROLLBARS, RIP_VERBOSE, "");
|
|
return 0;
|
|
}
|
|
|
|
pSBInfo = CUxScrollBar::GetSBInfo( hwnd );
|
|
fNewScroll = !pSBInfo;
|
|
|
|
if (fNewScroll) {
|
|
CUxScrollBar* psb = CUxScrollBar::Attach( hwnd, FALSE, fRedraw );
|
|
if( NULL == psb )
|
|
return 0;
|
|
|
|
pSBInfo = psb->GetInfo();
|
|
}
|
|
|
|
pw = (fVert) ? &(pSBInfo->Vert) : &(pSBInfo->Horz);
|
|
|
|
if (!SBSetParms(pw, lpsi, &fScroll, &lres) && !fNewScroll)
|
|
{
|
|
// no change -- but if REDRAW is specified and there's a scrollbar,
|
|
// redraw the thumb
|
|
if (fOldScroll && fRedraw)
|
|
{
|
|
goto redrawAfterSet;
|
|
}
|
|
|
|
if (lpsi->fMask & SIF_DISABLENOSCROLL)
|
|
{
|
|
xxxEnableWndSBArrows(hwnd, code, _GetArrowEnableFlags(hwnd, fVert));
|
|
}
|
|
|
|
return lres;
|
|
}
|
|
|
|
ClrWF(hwnd, wfScroll);
|
|
|
|
if (fScroll)
|
|
SetWF(hwnd, wfScroll);
|
|
else if (!TestWF(hwnd, (WFHSCROLL | WFVSCROLL)))
|
|
{
|
|
// if neither scroll bar is set and both ranges are 0, then free up the
|
|
// scroll info
|
|
CUxScrollBar::Detach( hwnd );
|
|
}
|
|
|
|
if (lpsi->fMask & SIF_DISABLENOSCROLL)
|
|
{
|
|
if (fOldScroll)
|
|
{
|
|
SetWF(hwnd, wfScroll);
|
|
xxxEnableWndSBArrows(hwnd, code, _GetArrowEnableFlags(hwnd, fVert));
|
|
}
|
|
}
|
|
else if (fOldScroll ^ fScroll)
|
|
{
|
|
PSBTRACK pSBTrack = CUxScrollBar::GetSBTrack(hwnd);
|
|
if (pSBTrack && (hwnd == pSBTrack->hwndTrack))
|
|
{
|
|
pSBTrack->fTrackRecalc = TRUE;
|
|
}
|
|
|
|
_RedrawFrame(hwnd);
|
|
// Note: after xxx, pSBTrack may no longer be valid (but we return now)
|
|
return lres;
|
|
}
|
|
|
|
if (fScroll && fRedraw && (fVert ? TestWF(hwnd, WFVPRESENT) : TestWF(hwnd, WFHPRESENT)))
|
|
{
|
|
PSBTRACK pSBTrack;
|
|
redrawAfterSet:
|
|
NotifyWinEvent(EVENT_OBJECT_VALUECHANGE,
|
|
hwnd,
|
|
(fVert ? OBJID_VSCROLL : OBJID_HSCROLL),
|
|
INDEX_SCROLLBAR_SELF);
|
|
|
|
pSBTrack = CUxScrollBar::GetSBTrack(hwnd);
|
|
// Bail out if the caller is trying to change the position of
|
|
// a scrollbar that is in the middle of tracking. We'll hose
|
|
// TrackThumb() otherwise.
|
|
|
|
if (pSBTrack && (hwnd == pSBTrack->hwndTrack) &&
|
|
((BOOL)(pSBTrack->fTrackVert) == fVert) &&
|
|
(pSBTrack->pfnSB == _TrackThumb)) {
|
|
return lres;
|
|
}
|
|
|
|
xxxDrawThumb(hwnd, NULL, fVert);
|
|
// Note: after xxx, pSBTrack may no longer be valid (but we return now)
|
|
}
|
|
|
|
return lres;
|
|
}
|
|
|
|
//-------------------------------------------------------------------------//
|
|
LONG WINAPI ThemeSetScrollInfo( HWND hwnd, int nBar, LPCSCROLLINFO psi, BOOL bRedraw )
|
|
{
|
|
return _SetScrollBar( hwnd, nBar, (LPSCROLLINFO)psi, bRedraw );
|
|
}
|
|
|
|
|
|
//-------------------------------------------------------------------------//
|
|
BOOL WINAPI ScrollBar_MouseMove( HWND hwnd, LPPOINT ppt, BOOL fVert )
|
|
{
|
|
BOOL fRet = FALSE;
|
|
CUxScrollBar* psb = CUxScrollBar::FromHwnd( hwnd );
|
|
|
|
if (psb)
|
|
{
|
|
int htScroll = (ppt != NULL) ? HitTestScrollBar(hwnd, fVert, *ppt) : HTNOWHERE;
|
|
|
|
//
|
|
// Redraw the scroll bar if the mouse is over something different
|
|
//
|
|
if (htScroll != psb->GetHotComponent(fVert))
|
|
{
|
|
HDC hdc;
|
|
|
|
//
|
|
// save the hittest code of the Scrollbar element the mouse is
|
|
// currently over
|
|
//
|
|
psb->SetHotComponent(htScroll, fVert);
|
|
|
|
hdc = GetDCEx(hwnd, NULL, DCX_USESTYLE|DCX_WINDOW|DCX_LOCKWINDOWUPDATE);
|
|
if (hdc != NULL)
|
|
{
|
|
DrawScrollBar(hwnd, hdc, NULL, fVert);
|
|
ReleaseDC(hwnd, hdc);
|
|
}
|
|
|
|
fRet = TRUE;
|
|
}
|
|
}
|
|
|
|
return fRet;
|
|
}
|
|
|
|
|
|
//-------------------------------------------------------------------------//
|
|
void DrawScrollBar(HWND hwnd, HDC hdc, LPRECT prcOverrideClient, BOOL fVert)
|
|
{
|
|
SBCALC SBCalc = {0};
|
|
PSBCALC pSBCalc;
|
|
PSBTRACK pSBTrack = CUxScrollBar::GetSBTrack(hwnd);
|
|
|
|
CheckLock(hwnd);
|
|
if (pSBTrack && (hwnd == pSBTrack->hwndTrack) && (pSBTrack->fCtlSB == FALSE)
|
|
&& (fVert == (BOOL)pSBTrack->fTrackVert))
|
|
{
|
|
pSBCalc = pSBTrack->pSBCalc;
|
|
}
|
|
else
|
|
{
|
|
pSBCalc = &SBCalc;
|
|
}
|
|
CUxScrollBar::Calc(hwnd, pSBCalc, prcOverrideClient, fVert);
|
|
|
|
xxxDrawSB2(hwnd, pSBCalc, hdc, fVert, _GetWndSBDisableFlags(hwnd, fVert));
|
|
}
|
|
|
|
/***************************************************************************\
|
|
* SBPosFromPx
|
|
*
|
|
* Compute scroll bar position from pixel location
|
|
*
|
|
* History:
|
|
\***************************************************************************/
|
|
|
|
int SBPosFromPx(
|
|
PSBCALC pSBCalc,
|
|
int px)
|
|
{
|
|
if (px < pSBCalc->pxMin) {
|
|
return pSBCalc->data.posMin;
|
|
}
|
|
if (px >= pSBCalc->pxMin + pSBCalc->cpx) {
|
|
return (pSBCalc->data.posMax - (pSBCalc->data.page ? pSBCalc->data.page - 1 : 0));
|
|
}
|
|
if (pSBCalc->cpx)
|
|
return (pSBCalc->data.posMin + MulDiv(pSBCalc->data.posMax - pSBCalc->data.posMin -
|
|
(pSBCalc->data.page ? pSBCalc->data.page - 1 : 0),
|
|
px - pSBCalc->pxMin, pSBCalc->cpx));
|
|
else
|
|
return (pSBCalc->data.posMin - 1);
|
|
}
|
|
|
|
/***************************************************************************\
|
|
* InvertScrollHilite
|
|
*
|
|
*
|
|
*
|
|
* History:
|
|
\***************************************************************************/
|
|
|
|
void InvertScrollHilite(
|
|
HWND hwnd,
|
|
PSBTRACK pSBTrack)
|
|
{
|
|
HDC hdc;
|
|
|
|
/*
|
|
* Don't invert if the thumb is all the way at the top or bottom
|
|
* or you will end up inverting the line between the arrow and the thumb.
|
|
*/
|
|
if (!IsRectEmpty(&pSBTrack->rcTrack))
|
|
{
|
|
if (pSBTrack->fTrackRecalc) {
|
|
RecalcTrackRect(pSBTrack);
|
|
pSBTrack->fTrackRecalc = FALSE;
|
|
}
|
|
|
|
hdc = (HDC)GetWindowDC(hwnd);
|
|
if( hdc )
|
|
{
|
|
HTHEME hTheme = CUxScrollBar::GetSBTheme(hwnd);
|
|
if (!hTheme)
|
|
{
|
|
InvertRect(hdc, &pSBTrack->rcTrack);
|
|
}
|
|
else
|
|
{
|
|
DrawThemeBackground(hTheme,
|
|
hdc,
|
|
pSBTrack->cmdSB == SB_PAGEUP ?
|
|
(pSBTrack->fTrackVert ? SBP_LOWERTRACKVERT : SBP_LOWERTRACKHORZ) :
|
|
(pSBTrack->fTrackVert ? SBP_UPPERTRACKVERT : SBP_UPPERTRACKHORZ),
|
|
SCRBS_NORMAL,
|
|
&pSBTrack->rcTrack,
|
|
0);
|
|
}
|
|
ReleaseDC(hwnd, hdc);
|
|
}
|
|
}
|
|
}
|
|
|
|
/***************************************************************************\
|
|
* xxxDoScroll
|
|
*
|
|
* Sends scroll notification to the scroll bar owner
|
|
*
|
|
* History:
|
|
\***************************************************************************/
|
|
|
|
void xxxDoScroll(
|
|
HWND hwnd,
|
|
HWND hwndNotify,
|
|
int cmd,
|
|
int pos,
|
|
BOOL fVert
|
|
)
|
|
{
|
|
|
|
//
|
|
// Send scroll notification to the scrollbar owner. If this is a control
|
|
// the lParam is the control's handle, NULL otherwise.
|
|
//
|
|
SendMessage(hwndNotify,
|
|
(UINT)(fVert ? WM_VSCROLL : WM_HSCROLL),
|
|
MAKELONG(cmd, pos),
|
|
(LPARAM)(IsScrollBarControl(hwnd) ? hwnd : NULL));
|
|
}
|
|
|
|
|
|
/***************************************************************************\
|
|
* xxxMoveThumb
|
|
*
|
|
* History:
|
|
\***************************************************************************/
|
|
|
|
void xxxMoveThumb(
|
|
HWND hwnd,
|
|
PSBCALC pSBCalc,
|
|
int px)
|
|
{
|
|
HBRUSH hbr, hbrSave;
|
|
HDC hdc;
|
|
CUxScrollBar* psb = CUxScrollBar::FromHwnd( hwnd );
|
|
PSBTRACK pSBTrack = psb->GetTrack();
|
|
|
|
CheckLock(hwnd);
|
|
|
|
if ((pSBTrack == NULL) || (px == pSBTrack->pxOld))
|
|
return;
|
|
|
|
pxReCalc:
|
|
|
|
pSBTrack->posNew = SBPosFromPx(pSBCalc, px);
|
|
|
|
/* Tentative position changed -- notify the guy. */
|
|
if (pSBTrack->posNew != pSBTrack->posOld) {
|
|
if (pSBTrack->hwndSBNotify != NULL) {
|
|
psb->DoScroll(pSBTrack->hwndSBNotify, SB_THUMBTRACK, pSBTrack->posNew, pSBTrack->fTrackVert
|
|
);
|
|
|
|
}
|
|
// After xxxDoScroll, re-evaluate pSBTrack
|
|
REEVALUATE_PSBTRACK(pSBTrack, hwnd, "xxxMoveThumb(1)");
|
|
if ((pSBTrack == NULL) || (pSBTrack->pfnSB == NULL))
|
|
return;
|
|
|
|
pSBTrack->posOld = pSBTrack->posNew;
|
|
|
|
//
|
|
// Anything can happen after the SendMessage above!
|
|
// Make sure that the SBINFO structure contains data for the
|
|
// window being tracked -- if not, recalculate data in SBINFO
|
|
//
|
|
// CheckScrollRecalc(hwnd, pSBState, pSBCalc);
|
|
// when we yield, our range can get messed with
|
|
// so make sure we handle this
|
|
|
|
if (px >= pSBCalc->pxMin + pSBCalc->cpx)
|
|
{
|
|
px = pSBCalc->pxMin + pSBCalc->cpx;
|
|
goto pxReCalc;
|
|
}
|
|
|
|
}
|
|
|
|
hdc = GetWindowDC(hwnd);
|
|
if ( hdc != NULL )
|
|
{
|
|
BOOL fOwnerBrush = FALSE;
|
|
|
|
pSBCalc->pxThumbTop = px;
|
|
pSBCalc->pxThumbBottom = pSBCalc->pxThumbTop + pSBCalc->cpxThumb;
|
|
|
|
// at this point, the disable flags are always going to be 0 --
|
|
// we're in the middle of tracking.
|
|
hbr = ScrollBar_GetColorObjects(hwnd, hdc, &fOwnerBrush);
|
|
hbrSave = SelectBrush(hdc, hbr);
|
|
|
|
// After ScrollBar_GetColorObjects, re-evaluate pSBTrack
|
|
REEVALUATE_PSBTRACK(pSBTrack, hwnd, "xxxMoveThumb(2)");
|
|
if (pSBTrack == NULL)
|
|
{
|
|
RIPMSG1(RIP_ERROR, "Did we use to leak hdc %#p?", hdc) ;
|
|
ReleaseDC(hwnd, hdc);
|
|
return;
|
|
}
|
|
DrawThumb2(hwnd, pSBCalc, hdc, hbr, pSBTrack->fTrackVert, 0, fOwnerBrush);
|
|
SelectBrush(hdc, hbrSave);
|
|
ReleaseDC(hwnd, hdc);
|
|
}
|
|
|
|
pSBTrack->pxOld = px;
|
|
}
|
|
|
|
/***************************************************************************\
|
|
* zzzDrawInvertScrollArea
|
|
*
|
|
*
|
|
*
|
|
* History:
|
|
\***************************************************************************/
|
|
|
|
void zzzDrawInvertScrollArea(
|
|
HWND hwnd,
|
|
PSBTRACK pSBTrack,
|
|
BOOL fHit,
|
|
UINT cmd)
|
|
{
|
|
HDC hdc;
|
|
RECT rcTemp;
|
|
int cx, cy;
|
|
HTHEME hTheme;
|
|
|
|
if ((cmd != SB_LINEUP) && (cmd != SB_LINEDOWN))
|
|
{
|
|
// not hitting on arrow -- just invert the area and return
|
|
InvertScrollHilite(hwnd, pSBTrack);
|
|
|
|
if (cmd == SB_PAGEUP)
|
|
{
|
|
if (fHit)
|
|
SetWF(hwnd, WFPAGEUPBUTTONDOWN);
|
|
else
|
|
ClrWF(hwnd, WFPAGEUPBUTTONDOWN);
|
|
}
|
|
else
|
|
{
|
|
if (fHit)
|
|
SetWF(hwnd, WFPAGEDNBUTTONDOWN);
|
|
else
|
|
ClrWF(hwnd, WFPAGEDNBUTTONDOWN);
|
|
}
|
|
|
|
NotifyWinEvent(EVENT_OBJECT_STATECHANGE,
|
|
hwnd,
|
|
(pSBTrack->fCtlSB ? OBJID_CLIENT : (pSBTrack->fTrackVert ? OBJID_VSCROLL : OBJID_HSCROLL)),
|
|
((cmd == SB_PAGEUP) ? INDEX_SCROLLBAR_UPPAGE : INDEX_SCROLLBAR_DOWNPAGE));
|
|
// Note: after zzz, pSBTrack may no longer be valid (but we return now)
|
|
|
|
return;
|
|
}
|
|
|
|
if (pSBTrack->fTrackRecalc) {
|
|
RecalcTrackRect(pSBTrack);
|
|
pSBTrack->fTrackRecalc = FALSE;
|
|
}
|
|
|
|
CopyRect(&rcTemp, &pSBTrack->rcTrack);
|
|
|
|
hdc = GetWindowDC(hwnd);
|
|
if( hdc != NULL )
|
|
{
|
|
if (pSBTrack->fTrackVert) {
|
|
cx = SYSMET(CXVSCROLL);
|
|
cy = SYSMET(CYVSCROLL);
|
|
} else {
|
|
cx = SYSMET(CXHSCROLL);
|
|
cy = SYSMET(CYHSCROLL);
|
|
}
|
|
|
|
hTheme = CUxScrollBar::GetSBTheme(hwnd);
|
|
if (!hTheme)
|
|
{
|
|
DrawFrameControl(hdc, &rcTemp, DFC_SCROLL,
|
|
((pSBTrack->fTrackVert) ? DFCS_SCROLLVERT : DFCS_SCROLLHORZ) |
|
|
((fHit) ? DFCS_PUSHED | DFCS_FLAT : 0) |
|
|
((cmd == SB_LINEUP) ? DFCS_SCROLLMIN : DFCS_SCROLLMAX));
|
|
}
|
|
else
|
|
{
|
|
INT iStateId;
|
|
|
|
// Determine the pressed state of the button
|
|
iStateId = fHit ? SCRBS_PRESSED : SCRBS_NORMAL;
|
|
|
|
// Determine which kind of button it is.
|
|
// NOTE: (phellyar) this is dependant on the order of
|
|
// the ARROWBTNSTATE enum
|
|
if (pSBTrack->fTrackVert)
|
|
{
|
|
if (cmd == SB_LINEUP)
|
|
{
|
|
// Up button states are the first four entries
|
|
// in the enum
|
|
iStateId += 0;
|
|
}
|
|
else
|
|
{
|
|
// Down button states are the second four entries
|
|
// in the enum
|
|
iStateId += 4;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (cmd == SB_LINEUP)
|
|
{
|
|
// Left button states are the third four entries
|
|
// in the enum
|
|
iStateId += 8;
|
|
}
|
|
else
|
|
{
|
|
// Right button states are the last four entries
|
|
// in the enum
|
|
iStateId += 12;
|
|
}
|
|
}
|
|
DrawThemeBackground(hTheme, hdc, SBP_ARROWBTN, iStateId, &rcTemp, 0);
|
|
}
|
|
|
|
ReleaseDC(hwnd, hdc);
|
|
}
|
|
|
|
if (cmd == SB_LINEUP) {
|
|
if (fHit)
|
|
SetWF(hwnd, WFLINEUPBUTTONDOWN);
|
|
else
|
|
ClrWF(hwnd, WFLINEUPBUTTONDOWN);
|
|
} else {
|
|
if (fHit)
|
|
SetWF(hwnd, WFLINEDNBUTTONDOWN);
|
|
else
|
|
ClrWF(hwnd, WFLINEDNBUTTONDOWN);
|
|
}
|
|
|
|
NotifyWinEvent(EVENT_OBJECT_STATECHANGE,
|
|
hwnd,
|
|
(pSBTrack->fCtlSB ? OBJID_CLIENT : (pSBTrack->fTrackVert ? OBJID_VSCROLL : OBJID_HSCROLL)),
|
|
(cmd == SB_LINEUP ? INDEX_SCROLLBAR_UP : INDEX_SCROLLBAR_DOWN));
|
|
// Note: after zzz, pSBTrack may no longer be valid (but we return now)
|
|
}
|
|
|
|
/***************************************************************************\
|
|
* xxxEndScroll
|
|
*
|
|
*
|
|
*
|
|
* History:
|
|
\***************************************************************************/
|
|
|
|
void xxxEndScroll(
|
|
HWND hwnd,
|
|
BOOL fCancel)
|
|
{
|
|
UINT oldcmd;
|
|
PSBTRACK pSBTrack;
|
|
CheckLock(hwnd);
|
|
ASSERT(!IsWinEventNotifyDeferred());
|
|
|
|
CUxScrollBar* psb = CUxScrollBar::FromHwnd( hwnd );
|
|
ASSERT(psb != NULL);
|
|
pSBTrack = psb->GetTrack();
|
|
|
|
if (pSBTrack && GetCapture() == hwnd && pSBTrack->pfnSB != NULL) {
|
|
|
|
oldcmd = pSBTrack->cmdSB;
|
|
pSBTrack->cmdSB = 0;
|
|
ReleaseCapture();
|
|
|
|
// After ReleaseCapture, revalidate pSBTrack
|
|
RETURN_IF_PSBTRACK_INVALID(pSBTrack, hwnd);
|
|
|
|
if (pSBTrack->pfnSB == _TrackThumb) {
|
|
|
|
if (fCancel) {
|
|
pSBTrack->posOld = pSBTrack->pSBCalc->data.pos;
|
|
}
|
|
|
|
/*
|
|
* DoScroll does thread locking on these two pwnds -
|
|
* this is ok since they are not used after this
|
|
* call.
|
|
*/
|
|
if (pSBTrack->hwndSBNotify != NULL) {
|
|
psb->DoScroll( pSBTrack->hwndSBNotify,
|
|
SB_THUMBPOSITION, pSBTrack->posOld, pSBTrack->fTrackVert
|
|
);
|
|
// After xxxDoScroll, revalidate pSBTrack
|
|
RETURN_IF_PSBTRACK_INVALID(pSBTrack, hwnd);
|
|
}
|
|
|
|
if (pSBTrack->fCtlSB) {
|
|
DrawCtlThumb((SBHWND) hwnd);
|
|
} else {
|
|
xxxDrawThumb(hwnd, pSBTrack->pSBCalc, pSBTrack->fTrackVert);
|
|
// Note: after xxx, pSBTrack may no longer be valid
|
|
}
|
|
|
|
} else if (pSBTrack->pfnSB == _TrackBox) {
|
|
DWORD lParam;
|
|
POINT ptMsg;
|
|
RECT rcWindow;
|
|
|
|
if (pSBTrack->hTimerSB != 0) {
|
|
_KillSystemTimer(hwnd, IDSYS_SCROLL);
|
|
pSBTrack->hTimerSB = 0;
|
|
}
|
|
lParam = GetMessagePos();
|
|
GetWindowRect( hwnd, &rcWindow );
|
|
#ifdef USE_MIRRORING
|
|
if (TestWF(hwnd, WEFLAYOUTRTL)) {
|
|
ptMsg.x = rcWindow.right - GET_X_LPARAM(lParam);
|
|
} else
|
|
#endif
|
|
{
|
|
ptMsg.x = GET_X_LPARAM(lParam) - rcWindow.left;
|
|
}
|
|
ptMsg.y = GET_Y_LPARAM(lParam) - rcWindow.top;
|
|
if (PtInRect(&pSBTrack->rcTrack, ptMsg)) {
|
|
zzzDrawInvertScrollArea(hwnd, pSBTrack, FALSE, oldcmd);
|
|
// Note: after zzz, pSBTrack may no longer be valid
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Always send SB_ENDSCROLL message.
|
|
*
|
|
* DoScroll does thread locking on these two pwnds -
|
|
* this is ok since they are not used after this
|
|
* call.
|
|
*/
|
|
|
|
// After xxxDrawThumb or zzzDrawInvertScrollArea, revalidate pSBTrack
|
|
RETURN_IF_PSBTRACK_INVALID(pSBTrack, hwnd);
|
|
|
|
if (pSBTrack->hwndSBNotify != NULL) {
|
|
psb->DoScroll( pSBTrack->hwndSBNotify,
|
|
SB_ENDSCROLL, 0, pSBTrack->fTrackVert);
|
|
// After xxxDoScroll, revalidate pSBTrack
|
|
RETURN_IF_PSBTRACK_INVALID(pSBTrack, hwnd);
|
|
}
|
|
|
|
ClrWF(hwnd, WFSCROLLBUTTONDOWN);
|
|
ClrWF(hwnd, WFVERTSCROLLTRACK);
|
|
|
|
NotifyWinEvent(EVENT_SYSTEM_SCROLLINGEND,
|
|
hwnd,
|
|
(pSBTrack->fCtlSB ? OBJID_CLIENT : (pSBTrack->fTrackVert ? OBJID_VSCROLL : OBJID_HSCROLL)),
|
|
INDEXID_CONTAINER);
|
|
|
|
// After NotifyWinEvent, revalidate pSBTrack
|
|
RETURN_IF_PSBTRACK_INVALID(pSBTrack, hwnd);
|
|
|
|
// If this is a Scroll Bar Control, turn the caret back on.
|
|
if (pSBTrack->hwndSB != NULL)
|
|
{
|
|
ShowCaret(pSBTrack->hwndSB);
|
|
// After zzz, revalidate pSBTrack
|
|
RETURN_IF_PSBTRACK_INVALID(pSBTrack, hwnd);
|
|
}
|
|
|
|
pSBTrack->pfnSB = NULL;
|
|
|
|
/*
|
|
* Unlock structure members so they are no longer holding down windows.
|
|
*/
|
|
|
|
Unlock(&pSBTrack->hwndSB);
|
|
Unlock(&pSBTrack->hwndSBNotify);
|
|
Unlock(&pSBTrack->hwndTrack);
|
|
CUxScrollBar::ClearSBTrack( hwnd );
|
|
}
|
|
}
|
|
|
|
|
|
//-------------------------------------------------------------------------//
|
|
VOID CALLBACK xxxContScroll(HWND hwnd, UINT message, UINT_PTR ID, DWORD dwTime)
|
|
{
|
|
UNREFERENCED_PARAMETER(message);
|
|
UNREFERENCED_PARAMETER(ID);
|
|
UNREFERENCED_PARAMETER(dwTime);
|
|
|
|
CUxScrollBar* psb = CUxScrollBar::FromHwnd( hwnd );
|
|
|
|
if ( psb != NULL )
|
|
{
|
|
PSBTRACK pSBTrack = psb->GetTrack();
|
|
|
|
if ( pSBTrack != NULL )
|
|
{
|
|
LONG pt;
|
|
RECT rcWindow;
|
|
|
|
CheckLock(hwnd);
|
|
|
|
pt = GetMessagePos();
|
|
GetWindowRect( hwnd, &rcWindow );
|
|
|
|
if (TestWF(hwnd, WEFLAYOUTRTL))
|
|
{
|
|
pt = MAKELONG(rcWindow.right - GET_X_LPARAM(pt), GET_Y_LPARAM(pt) - rcWindow.top);
|
|
}
|
|
else
|
|
{
|
|
pt = MAKELONG( GET_X_LPARAM(pt) - rcWindow.left, GET_Y_LPARAM(pt) - rcWindow.top);
|
|
}
|
|
|
|
_TrackBox(hwnd, WM_NULL, 0, pt, NULL);
|
|
|
|
// After _TrackBox, revalidate pSBTrack
|
|
RETURN_IF_PSBTRACK_INVALID(pSBTrack, hwnd);
|
|
|
|
if (pSBTrack->fHitOld)
|
|
{
|
|
pSBTrack->hTimerSB = _SetSystemTimer(hwnd, IDSYS_SCROLL, DTTIME/8, xxxContScroll);
|
|
|
|
// DoScroll does thread locking on these two pwnds -
|
|
// this is ok since they are not used after this call.
|
|
if (pSBTrack->hwndSBNotify != NULL)
|
|
{
|
|
psb->DoScroll(pSBTrack->hwndSBNotify, pSBTrack->cmdSB, 0, pSBTrack->fTrackVert);
|
|
// Note: after xxx, pSBTrack may no longer be valid (but we return now)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
//-------------------------------------------------------------------------//
|
|
void CALLBACK _TrackBox(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam, PSBCALC pSBCalc)
|
|
{
|
|
CUxScrollBar* psb = CUxScrollBar::FromHwnd(hwnd);
|
|
|
|
UNREFERENCED_PARAMETER(wParam);
|
|
UNREFERENCED_PARAMETER(pSBCalc);
|
|
|
|
CheckLock(hwnd);
|
|
ASSERT(IsWinEventNotifyDeferredOK());
|
|
|
|
if ( psb )
|
|
{
|
|
PSBTRACK pSBTrack = psb->GetTrack();
|
|
|
|
if ( pSBTrack )
|
|
{
|
|
BOOL fHit;
|
|
POINT ptHit;
|
|
int cmsTimer;
|
|
|
|
if ((uMsg != WM_NULL) && (HIBYTE(uMsg) != HIBYTE(WM_MOUSEFIRST)))
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (pSBTrack->fTrackRecalc)
|
|
{
|
|
RecalcTrackRect(pSBTrack);
|
|
pSBTrack->fTrackRecalc = FALSE;
|
|
}
|
|
|
|
ptHit.x = GET_X_LPARAM(lParam);
|
|
ptHit.y = GET_Y_LPARAM(lParam);
|
|
fHit = PtInRect(&pSBTrack->rcTrack, ptHit);
|
|
|
|
if (fHit != (BOOL)pSBTrack->fHitOld)
|
|
{
|
|
zzzDrawInvertScrollArea(hwnd, pSBTrack, fHit, pSBTrack->cmdSB);
|
|
// After zzz, pSBTrack may no longer be valid
|
|
RETURN_IF_PSBTRACK_INVALID(pSBTrack, hwnd);
|
|
}
|
|
|
|
cmsTimer = DTTIME/8;
|
|
|
|
switch (uMsg)
|
|
{
|
|
case WM_LBUTTONUP:
|
|
xxxEndScroll(hwnd, FALSE);
|
|
// Note: after xxx, pSBTrack may no longer be valid
|
|
break;
|
|
|
|
case WM_LBUTTONDOWN:
|
|
pSBTrack->hTimerSB = 0;
|
|
cmsTimer = DTTIME;
|
|
|
|
//
|
|
// FALL THRU
|
|
//
|
|
|
|
case WM_MOUSEMOVE:
|
|
if (fHit && fHit != (BOOL)pSBTrack->fHitOld)
|
|
{
|
|
//
|
|
// We moved back into the normal rectangle: reset timer
|
|
//
|
|
pSBTrack->hTimerSB = _SetSystemTimer(hwnd, IDSYS_SCROLL,
|
|
cmsTimer, xxxContScroll);
|
|
|
|
//
|
|
// DoScroll does thread locking on these two pwnds -
|
|
// this is ok since they are not used after this
|
|
// call.
|
|
//
|
|
if (pSBTrack->hwndSBNotify != NULL)
|
|
{
|
|
psb->DoScroll( pSBTrack->hwndSBNotify, pSBTrack->cmdSB,
|
|
0, pSBTrack->fTrackVert);
|
|
// Note: after xxx, pSBTrack may no longer be valid
|
|
}
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
// After xxxDoScroll or xxxEndScroll, revalidate pSBTrack
|
|
RETURN_IF_PSBTRACK_INVALID(pSBTrack, hwnd);
|
|
pSBTrack->fHitOld = fHit;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/***************************************************************************\
|
|
* _TrackThumb
|
|
*
|
|
*
|
|
*
|
|
* History:
|
|
\***************************************************************************/
|
|
|
|
void CALLBACK _TrackThumb(
|
|
HWND hwnd,
|
|
UINT message,
|
|
WPARAM wParam,
|
|
LPARAM lParam,
|
|
PSBCALC pSBCalc)
|
|
{
|
|
int px;
|
|
CUxScrollBar* psb = CUxScrollBar::FromHwnd( hwnd );
|
|
ASSERT(psb);
|
|
PSBTRACK pSBTrack = psb->GetTrack();
|
|
POINT pt;
|
|
|
|
UNREFERENCED_PARAMETER(wParam);
|
|
|
|
CheckLock(hwnd);
|
|
|
|
if (HIBYTE(message) != HIBYTE(WM_MOUSEFIRST))
|
|
return;
|
|
|
|
if (pSBTrack == NULL)
|
|
return;
|
|
|
|
// Make sure that the SBINFO structure contains data for the
|
|
// window being tracked -- if not, recalculate data in SBINFO
|
|
// CheckScrollRecalc(hwnd, pSBState, pSBCalc);
|
|
if (pSBTrack->fTrackRecalc) {
|
|
RecalcTrackRect(pSBTrack);
|
|
pSBTrack->fTrackRecalc = FALSE;
|
|
}
|
|
|
|
|
|
pt.y = GET_Y_LPARAM(lParam);
|
|
pt.x = GET_X_LPARAM(lParam);
|
|
if (!PtInRect(&pSBTrack->rcTrack, pt))
|
|
px = pSBCalc->pxStart;
|
|
else {
|
|
px = (pSBTrack->fTrackVert ? pt.y : pt.x) + pSBTrack->dpxThumb;
|
|
if (px < pSBCalc->pxMin)
|
|
px = pSBCalc->pxMin;
|
|
else if (px >= pSBCalc->pxMin + pSBCalc->cpx)
|
|
px = pSBCalc->pxMin + pSBCalc->cpx;
|
|
}
|
|
|
|
xxxMoveThumb(hwnd, pSBCalc, px);
|
|
|
|
/*
|
|
* We won't get the WM_LBUTTONUP message if we got here through
|
|
* the scroll menu, so test the button state directly.
|
|
*/
|
|
if (message == WM_LBUTTONUP || GetKeyState(VK_LBUTTON) >= 0) {
|
|
xxxEndScroll(hwnd, FALSE);
|
|
}
|
|
|
|
}
|
|
|
|
/***************************************************************************\
|
|
* _ClientToWindow
|
|
* History:
|
|
\***************************************************************************/
|
|
BOOL _ClientToWindow( HWND hwnd, LPPOINT ppt )
|
|
{
|
|
WINDOWINFO wi;
|
|
wi.cbSize = sizeof(wi);
|
|
if( GetWindowInfo( hwnd, &wi ) )
|
|
{
|
|
ppt->x += (wi.rcClient.left - wi.rcWindow.left);
|
|
ppt->y += (wi.rcClient.top - wi.rcWindow.top);
|
|
return TRUE;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
/***************************************************************************\
|
|
* xxxSBTrackLoop
|
|
*
|
|
*
|
|
*
|
|
* History:
|
|
\***************************************************************************/
|
|
|
|
void xxxSBTrackLoop(
|
|
HWND hwnd,
|
|
LPARAM lParam,
|
|
PSBCALC pSBCalc)
|
|
{
|
|
MSG msg;
|
|
UINT cmd;
|
|
VOID (*pfnSB)(HWND, UINT, WPARAM, LPARAM, PSBCALC);
|
|
CUxScrollBar* psb = CUxScrollBar::FromHwnd( hwnd );
|
|
PSBTRACK pSBTrack = psb->GetSBTrack(hwnd);
|
|
|
|
CheckLock(hwnd);
|
|
ASSERT(IsWinEventNotifyDeferredOK());
|
|
|
|
|
|
if (pSBTrack == NULL)
|
|
// mode cancelled -- exit track loop
|
|
return;
|
|
|
|
pfnSB = pSBTrack->pfnSB;
|
|
if (pfnSB == NULL)
|
|
// mode cancelled -- exit track loop
|
|
return;
|
|
|
|
if (pSBTrack->fTrackVert)
|
|
SetWF(hwnd, WFVERTSCROLLTRACK);
|
|
|
|
NotifyWinEvent(EVENT_SYSTEM_SCROLLINGSTART,
|
|
hwnd,
|
|
(pSBTrack->fCtlSB ? OBJID_CLIENT : (pSBTrack->fTrackVert ? OBJID_VSCROLL : OBJID_HSCROLL)),
|
|
INDEXID_CONTAINER);
|
|
// Note: after xxx, pSBTrack may no longer be valid
|
|
|
|
(*pfnSB)(hwnd, WM_LBUTTONDOWN, 0, lParam, pSBCalc);
|
|
// Note: after xxx, pSBTrack may no longer be valid
|
|
|
|
while (GetCapture() == hwnd) {
|
|
if (!GetMessage(&msg, NULL, 0, 0)) {
|
|
// Note: after xxx, pSBTrack may no longer be valid
|
|
break;
|
|
}
|
|
|
|
if (!CallMsgFilter(&msg, MSGF_SCROLLBAR))
|
|
{
|
|
BOOL bTrackMsg = FALSE;
|
|
cmd = msg.message;
|
|
lParam = msg.lParam;
|
|
|
|
if (msg.hwnd == HWq(hwnd))
|
|
{
|
|
if( cmd >= WM_MOUSEFIRST && cmd <= WM_MOUSELAST )
|
|
{
|
|
if( !psb->IsCtl() )
|
|
{
|
|
POINT pt;
|
|
pt.x = GET_X_LPARAM(msg.lParam);
|
|
pt.y = GET_Y_LPARAM(msg.lParam);
|
|
_ClientToWindow( hwnd, &pt );
|
|
lParam = MAKELPARAM(pt.x, pt.y);
|
|
}
|
|
bTrackMsg = TRUE;
|
|
}
|
|
else if( cmd >= WM_KEYFIRST && cmd <= WM_KEYLAST )
|
|
{
|
|
cmd = _SysToChar(cmd, msg.lParam);
|
|
bTrackMsg = TRUE;
|
|
}
|
|
}
|
|
|
|
if( bTrackMsg )
|
|
{
|
|
// After NotifyWinEvent, pfnSB, TranslateMessage or
|
|
// DispatchMessage, re-evaluate pSBTrack.
|
|
REEVALUATE_PSBTRACK(pSBTrack, hwnd, "xxxTrackLoop");
|
|
if ((pSBTrack == NULL) || (NULL == (pfnSB = pSBTrack->pfnSB)))
|
|
// mode cancelled -- exit track loop
|
|
return;
|
|
|
|
(*pfnSB)(hwnd, cmd, msg.wParam, lParam, pSBCalc);
|
|
}
|
|
else
|
|
{
|
|
TranslateMessage(&msg);
|
|
DispatchMessage(&msg);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/***************************************************************************\
|
|
* _SBTrackInit
|
|
*
|
|
* History:
|
|
\***************************************************************************/
|
|
|
|
void _SBTrackInit(
|
|
HWND hwnd,
|
|
LPARAM lParam,
|
|
int curArea,
|
|
UINT uType)
|
|
{
|
|
int px;
|
|
LPINT pwX;
|
|
LPINT pwY;
|
|
UINT wDisable; // Scroll bar disable flags;
|
|
SBCALC SBCalc = {0};
|
|
PSBCALC pSBCalc;
|
|
RECT rcSB;
|
|
PSBTRACK pSBTrack;
|
|
|
|
CheckLock(hwnd);
|
|
|
|
#ifdef PORTPORT // unneccessary dbgchk w/ port
|
|
if (CUxScrollBar::GetSBTrack(hwnd)) {
|
|
RIPMSG1(RIP_WARNING, "_SBTrackInit: CUxScrollBar::GetSBTrack(hwnd) == %#p",
|
|
CUxScrollBar::GetSBTrack(hwnd));
|
|
return;
|
|
}
|
|
#endif PORTPORT
|
|
|
|
CUxScrollBar* psb = CUxScrollBar::Attach( hwnd, !curArea, TRUE );
|
|
|
|
if (!psb)
|
|
{
|
|
return;
|
|
}
|
|
|
|
CUxScrollBarCtl* psbCtl = psb->IsCtl() ? (CUxScrollBarCtl*)psb : NULL;
|
|
|
|
pSBTrack = psb->GetTrack();
|
|
if (pSBTrack == NULL)
|
|
return;
|
|
|
|
pSBTrack->hTimerSB = 0;
|
|
pSBTrack->fHitOld = FALSE;
|
|
|
|
pSBTrack->pfnSB = _TrackBox;
|
|
|
|
pSBTrack->hwndTrack = NULL;
|
|
pSBTrack->hwndSB = NULL;
|
|
pSBTrack->hwndSBNotify = NULL;
|
|
Lock(&pSBTrack->hwndTrack, hwnd); // pSBTrack->hwndTrack = hwnd;
|
|
|
|
pSBTrack->fCtlSB = (!curArea);
|
|
if (pSBTrack->fCtlSB)
|
|
{
|
|
/*
|
|
* This is a scroll bar control.
|
|
*/
|
|
ASSERT(psbCtl != NULL);
|
|
|
|
pSBTrack->hwndSB = hwnd; //Lock(&pSBTrack->hwndSB, hwnd);
|
|
pSBTrack->fTrackVert = psbCtl->_fVert;
|
|
Lock(&pSBTrack->hwndSBNotify, GetParent(hwnd)); // pSBTrack->hwndSBNotify = GetParent( hwnd );
|
|
wDisable = psbCtl->_wDisableFlags;
|
|
pSBCalc = &psbCtl->_calc;
|
|
pSBTrack->nBar = SB_CTL;
|
|
} else {
|
|
|
|
/*
|
|
* This is a scroll bar that is part of the window frame.
|
|
*/
|
|
RECT rcWindow;
|
|
GetWindowRect( hwnd, &rcWindow );
|
|
int x = GET_X_LPARAM(lParam);
|
|
int y = GET_Y_LPARAM(lParam);
|
|
|
|
#ifdef USE_MIRRORING
|
|
//
|
|
// Mirror the window coord of the scroll bar,
|
|
// if it is a mirrored one
|
|
//
|
|
if (TestWF(hwnd,WEFLAYOUTRTL)) {
|
|
lParam = MAKELONG(
|
|
rcWindow.right - x,
|
|
y - rcWindow.top);
|
|
}
|
|
else {
|
|
#endif
|
|
lParam = MAKELONG( x - rcWindow.left, y - rcWindow.top);
|
|
|
|
#ifdef USE_MIRRORING
|
|
}
|
|
#endif
|
|
Lock(&pSBTrack->hwndSBNotify, hwnd); // pSBTrack->hwndSBNotify = hwnd; //
|
|
Lock(&pSBTrack->hwndSB, NULL); // pSBTrack->hwndSB = NULL;
|
|
|
|
pSBTrack->fTrackVert = (curArea - HTHSCROLL);
|
|
wDisable = _GetWndSBDisableFlags(hwnd, pSBTrack->fTrackVert);
|
|
pSBCalc = &SBCalc;
|
|
pSBTrack->nBar = (curArea - HTHSCROLL) ? SB_VERT : SB_HORZ;
|
|
}
|
|
|
|
pSBTrack->pSBCalc = pSBCalc;
|
|
/*
|
|
* Check if the whole scroll bar is disabled
|
|
*/
|
|
if((wDisable & SB_DISABLE_MASK) == SB_DISABLE_MASK) {
|
|
CUxScrollBar::Detach( hwnd );
|
|
return; // It is a disabled scroll bar; So, do not respond.
|
|
}
|
|
|
|
if (!pSBTrack->fCtlSB) {
|
|
psb->FreshenSBData( pSBTrack->nBar, FALSE );
|
|
CUxScrollBar::Calc(hwnd, pSBCalc, NULL, pSBTrack->fTrackVert);
|
|
}
|
|
|
|
pwX = (LPINT)&rcSB;
|
|
pwY = pwX + 1;
|
|
if (!pSBTrack->fTrackVert)
|
|
pwX = pwY--;
|
|
|
|
px = (pSBTrack->fTrackVert ? GET_Y_LPARAM(lParam) : GET_X_LPARAM(lParam));
|
|
|
|
*(pwX + 0) = pSBCalc->pxLeft;
|
|
*(pwY + 0) = pSBCalc->pxTop;
|
|
*(pwX + 2) = pSBCalc->pxRight;
|
|
*(pwY + 2) = pSBCalc->pxBottom;
|
|
pSBTrack->cmdSB = (UINT)-1;
|
|
if (px < pSBCalc->pxUpArrow) {
|
|
|
|
/*
|
|
* The click occurred on Left/Up arrow; Check if it is disabled
|
|
*/
|
|
if(wDisable & LTUPFLAG) {
|
|
if(pSBTrack->fCtlSB) { // If this is a scroll bar control,
|
|
ShowCaret(pSBTrack->hwndSB); // show the caret before returning;
|
|
// After ShowCaret, revalidate pSBTrack
|
|
RETURN_IF_PSBTRACK_INVALID(pSBTrack, hwnd);
|
|
}
|
|
CUxScrollBar::Detach( hwnd );
|
|
return; // Yes! disabled. Do not respond.
|
|
}
|
|
|
|
// LINEUP -- make rcSB the Up Arrow's Rectangle
|
|
pSBTrack->cmdSB = SB_LINEUP;
|
|
*(pwY + 2) = pSBCalc->pxUpArrow;
|
|
} else if (px >= pSBCalc->pxDownArrow) {
|
|
|
|
/*
|
|
* The click occurred on Right/Down arrow; Check if it is disabled
|
|
*/
|
|
if (wDisable & RTDNFLAG) {
|
|
if (pSBTrack->fCtlSB) { // If this is a scroll bar control,
|
|
ShowCaret(pSBTrack->hwndSB); // show the caret before returning;
|
|
// After ShowCaret, revalidate pSBTrack
|
|
RETURN_IF_PSBTRACK_INVALID(pSBTrack, hwnd);
|
|
}
|
|
|
|
CUxScrollBar::Detach( hwnd );
|
|
return;// Yes! disabled. Do not respond.
|
|
}
|
|
|
|
// LINEDOWN -- make rcSB the Down Arrow's Rectangle
|
|
pSBTrack->cmdSB = SB_LINEDOWN;
|
|
*(pwY + 0) = pSBCalc->pxDownArrow;
|
|
} else if (px < pSBCalc->pxThumbTop) {
|
|
// PAGEUP -- make rcSB the rectangle between Up Arrow and Thumb
|
|
pSBTrack->cmdSB = SB_PAGEUP;
|
|
*(pwY + 0) = pSBCalc->pxUpArrow;
|
|
*(pwY + 2) = pSBCalc->pxThumbTop;
|
|
} else if (px < pSBCalc->pxThumbBottom) {
|
|
|
|
DoThumbPos:
|
|
/*
|
|
* Elevator isn't there if there's no room.
|
|
*/
|
|
if (pSBCalc->pxDownArrow - pSBCalc->pxUpArrow <= pSBCalc->cpxThumb) {
|
|
CUxScrollBar::Detach( hwnd );
|
|
return;
|
|
}
|
|
// THUMBPOSITION -- we're tracking with the thumb
|
|
pSBTrack->cmdSB = SB_THUMBPOSITION;
|
|
CalcTrackDragRect(pSBTrack);
|
|
|
|
pSBTrack->pfnSB = _TrackThumb;
|
|
pSBTrack->pxOld = pSBCalc->pxStart = pSBCalc->pxThumbTop;
|
|
pSBTrack->posNew = pSBTrack->posOld = pSBCalc->data.pos;
|
|
pSBTrack->dpxThumb = pSBCalc->pxStart - px;
|
|
|
|
SetCapture( hwnd ); //xxxCapture(PtiCurrent(), hwnd, WINDOW_CAPTURE);
|
|
|
|
// After xxxCapture, revalidate pSBTrack
|
|
RETURN_IF_PSBTRACK_INVALID(pSBTrack, hwnd);
|
|
|
|
/*
|
|
* DoScroll does thread locking on these two pwnds -
|
|
* this is ok since they are not used after this
|
|
* call.
|
|
*/
|
|
if (pSBTrack->hwndSBNotify != NULL) {
|
|
psb->DoScroll( pSBTrack->hwndSBNotify, SB_THUMBTRACK,
|
|
pSBTrack->posOld, pSBTrack->fTrackVert
|
|
);
|
|
// Note: after xxx, pSBTrack may no longer be valid
|
|
}
|
|
} else if (px < pSBCalc->pxDownArrow) {
|
|
// PAGEDOWN -- make rcSB the rectangle between Thumb and Down Arrow
|
|
pSBTrack->cmdSB = SB_PAGEDOWN;
|
|
*(pwY + 0) = pSBCalc->pxThumbBottom;
|
|
*(pwY + 2) = pSBCalc->pxDownArrow;
|
|
}
|
|
|
|
/*
|
|
* If the shift key is down, we'll position the thumb directly so it's
|
|
* centered on the click point.
|
|
*/
|
|
if ((uType == SCROLL_DIRECT && pSBTrack->cmdSB != SB_LINEUP && pSBTrack->cmdSB != SB_LINEDOWN) ||
|
|
(uType == SCROLL_MENU)) {
|
|
if (pSBTrack->cmdSB != SB_THUMBPOSITION) {
|
|
goto DoThumbPos;
|
|
}
|
|
pSBTrack->dpxThumb = -(pSBCalc->cpxThumb / 2);
|
|
}
|
|
|
|
SetCapture( hwnd ); // xxxCapture(PtiCurrent(), hwnd, WINDOW_CAPTURE);
|
|
// After xxxCapture, revalidate pSBTrack
|
|
RETURN_IF_PSBTRACK_INVALID(pSBTrack, hwnd);
|
|
|
|
if (pSBTrack->cmdSB != SB_THUMBPOSITION) {
|
|
CopyRect(&pSBTrack->rcTrack, &rcSB);
|
|
}
|
|
|
|
xxxSBTrackLoop(hwnd, lParam, pSBCalc);
|
|
|
|
// After xxx, re-evaluate pSBTrack
|
|
REEVALUATE_PSBTRACK(pSBTrack, hwnd, "xxxTrackLoop");
|
|
if (pSBTrack)
|
|
{
|
|
CUxScrollBar::ClearSBTrack( hwnd );
|
|
}
|
|
}
|
|
|
|
/***************************************************************************\
|
|
* HandleScrollCmd
|
|
*
|
|
* History: added to support and encap SB tracking initialization originating
|
|
* from WM_SYSCOMMAND::SC_VSCROLL/SC_HSCROLL [scotthan]
|
|
\***************************************************************************/
|
|
void WINAPI HandleScrollCmd( HWND hwnd, WPARAM wParam, LPARAM lParam )
|
|
{
|
|
UINT uArea = (UINT)(wParam & 0x0F);
|
|
_SBTrackInit( hwnd, lParam, uArea,
|
|
(GetKeyState(VK_SHIFT) < 0) ? SCROLL_DIRECT : SCROLL_NORMAL);
|
|
}
|
|
|
|
|
|
//-------------------------------------------------------------------------
|
|
HMENU ScrollBar_GetMenu(HWND hwnd, BOOL fVert)
|
|
{
|
|
static HMODULE hModUser = NULL;
|
|
HMENU hMenu = NULL;
|
|
|
|
if ( !hModUser )
|
|
{
|
|
hModUser = GetModuleHandle(TEXT("user32"));
|
|
}
|
|
|
|
#define ID_HSCROLLMENU 0x40
|
|
#define ID_VSCROLLMENU 0x50
|
|
|
|
if ( hModUser )
|
|
{
|
|
hMenu = LoadMenu(hModUser, MAKEINTRESOURCE((fVert ? ID_VSCROLLMENU : ID_HSCROLLMENU)));
|
|
if ( hMenu )
|
|
{
|
|
hMenu = GetSubMenu(hMenu, 0);
|
|
}
|
|
}
|
|
|
|
return hMenu;
|
|
}
|
|
|
|
|
|
//-------------------------------------------------------------------------
|
|
VOID ScrollBar_Menu(HWND hwndNotify, HWND hwnd, LPARAM lParam, BOOL fVert)
|
|
{
|
|
CUxScrollBar* psb = CUxScrollBar::FromHwnd( hwnd );
|
|
CUxScrollBarCtl* psbCtl = CUxScrollBarCtl::FromHwnd( hwnd );
|
|
BOOL fCtl = (psbCtl != NULL);
|
|
|
|
if ( psb || psbCtl )
|
|
{
|
|
UINT wDisable;
|
|
RECT rcWindow;
|
|
POINT pt;
|
|
|
|
GetWindowRect(hwnd, &rcWindow);
|
|
|
|
POINTSTOPOINT(pt, lParam);
|
|
if ( TestWF(hwnd, WEFLAYOUTRTL) && !fVert )
|
|
{
|
|
MIRROR_POINT(rcWindow, pt);
|
|
}
|
|
pt.x -= rcWindow.left;
|
|
pt.y -= rcWindow.top;
|
|
|
|
if ( fCtl )
|
|
{
|
|
wDisable = psbCtl->_wDisableFlags;
|
|
}
|
|
else
|
|
{
|
|
wDisable = _GetWndSBDisableFlags(hwndNotify, fVert);
|
|
}
|
|
|
|
// Make sure the scrollbar isn't disabled.
|
|
if ( (wDisable & SB_DISABLE_MASK) != SB_DISABLE_MASK)
|
|
{
|
|
HMENU hMenu = ScrollBar_GetMenu(hwndNotify, fVert);
|
|
|
|
// Put up a menu and scroll accordingly.
|
|
if (hMenu != NULL)
|
|
{
|
|
int iCmd;
|
|
|
|
iCmd = TrackPopupMenuEx(hMenu,
|
|
TPM_RIGHTBUTTON | TPM_RETURNCMD | TPM_NONOTIFY,
|
|
GET_X_LPARAM(lParam),
|
|
GET_Y_LPARAM(lParam),
|
|
hwndNotify,
|
|
NULL);
|
|
|
|
DestroyMenu(hMenu);
|
|
|
|
if (iCmd)
|
|
{
|
|
if ((iCmd & 0x00FF) == SB_THUMBPOSITION)
|
|
{
|
|
if ( fCtl )
|
|
{
|
|
_SBTrackInit(hwnd, MAKELPARAM(pt.x, pt.y), 0, SCROLL_MENU);
|
|
}
|
|
else
|
|
{
|
|
_SBTrackInit(hwndNotify, lParam, fVert ? HTVSCROLL : HTHSCROLL, SCROLL_MENU);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
xxxDoScroll(hwnd, hwndNotify, (iCmd & 0x00FF), 0, fVert);
|
|
xxxDoScroll(hwnd, hwndNotify, SB_ENDSCROLL, 0, fVert);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
//-------------------------------------------------------------------------
|
|
LRESULT CUxScrollBarCtl::WndProc( HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
|
|
{
|
|
LONG l;
|
|
LONG lres = 0;
|
|
int cx, cy;
|
|
UINT cmd;
|
|
UINT uSide;
|
|
HDC hdc;
|
|
RECT rc;
|
|
POINT pt;
|
|
BOOL fSizeReal;
|
|
HBRUSH hbrSave;
|
|
BOOL fSize;
|
|
PAINTSTRUCT ps;
|
|
DWORD dwStyle;
|
|
SCROLLINFO si;
|
|
LPSCROLLINFO lpsi = &si;
|
|
BOOL fRedraw = FALSE;
|
|
BOOL fScroll;
|
|
|
|
CUxScrollBarCtl* psb = CUxScrollBarCtl::FromHwnd( hwnd );
|
|
if (!psb && uMsg != WM_NCCREATE)
|
|
{
|
|
goto CallDWP;
|
|
}
|
|
|
|
CheckLock(hwnd);
|
|
ASSERT(IsWinEventNotifyDeferredOK());
|
|
|
|
VALIDATECLASSANDSIZE(((HWND)hwnd), uMsg, wParam, lParam, FNID_SCROLLBAR, WM_CREATE);
|
|
|
|
dwStyle = GetWindowStyle(hwnd);
|
|
fSize = (((LOBYTE(dwStyle)) & (SBS_SIZEBOX | SBS_SIZEGRIP)) != 0);
|
|
|
|
switch (uMsg)
|
|
{
|
|
|
|
case WM_NCCREATE:
|
|
|
|
if( NULL == psb )
|
|
{
|
|
psb = (CUxScrollBarCtl*)CUxScrollBar::Attach( hwnd, TRUE, FALSE );
|
|
}
|
|
|
|
goto CallDWP;
|
|
|
|
case WM_NCDESTROY:
|
|
CUxScrollBar::Detach(hwnd);
|
|
psb = NULL;
|
|
goto CallDWP;
|
|
|
|
case WM_CREATE:
|
|
/*
|
|
* Guard against lParam being NULL since the thunk allows it [51986]
|
|
*/
|
|
|
|
if (lParam)
|
|
{
|
|
rc.right = (rc.left = ((LPCREATESTRUCT)lParam)->x) +
|
|
((LPCREATESTRUCT)lParam)->cx;
|
|
rc.bottom = (rc.top = ((LPCREATESTRUCT)lParam)->y) +
|
|
((LPCREATESTRUCT)lParam)->cy;
|
|
// This is because we can't just rev CardFile -- we should fix the
|
|
// problem here in case anyone else happened to have some EXTRA
|
|
// scroll styles on their scroll bar controls (jeffbog 03/21/94)
|
|
if (!TestWF((HWND)hwnd, WFWIN40COMPAT))
|
|
dwStyle &= ~(WS_HSCROLL | WS_VSCROLL);
|
|
|
|
if (!fSize)
|
|
{
|
|
l = PtrToLong(((LPCREATESTRUCT)lParam)->lpCreateParams);
|
|
|
|
psb->_calc.data.pos = psb->_calc.data.posMin = LOWORD(l);
|
|
psb->_calc.data.posMax = HIWORD(l);
|
|
psb->_fVert = ((LOBYTE(dwStyle) & SBS_VERT) != 0);
|
|
psb->_calc.data.page = 0;
|
|
}
|
|
|
|
if (dwStyle & WS_DISABLED)
|
|
psb->_wDisableFlags = SB_DISABLE_MASK;
|
|
|
|
if (LOBYTE(dwStyle) & (SBS_TOPALIGN | SBS_BOTTOMALIGN)) {
|
|
if (fSize) {
|
|
if (LOBYTE(dwStyle) & SBS_SIZEBOXBOTTOMRIGHTALIGN) {
|
|
rc.left = rc.right - SYSMET(CXVSCROLL);
|
|
rc.top = rc.bottom - SYSMET(CYHSCROLL);
|
|
}
|
|
|
|
rc.right = rc.left + SYSMET(CXVSCROLL);
|
|
rc.bottom = rc.top + SYSMET(CYHSCROLL);
|
|
} else {
|
|
if (LOBYTE(dwStyle) & SBS_VERT) {
|
|
if (LOBYTE(dwStyle) & SBS_LEFTALIGN)
|
|
rc.right = rc.left + SYSMET(CXVSCROLL);
|
|
else
|
|
rc.left = rc.right - SYSMET(CXVSCROLL);
|
|
} else {
|
|
if (LOBYTE(dwStyle) & SBS_TOPALIGN)
|
|
rc.bottom = rc.top + SYSMET(CYHSCROLL);
|
|
else
|
|
rc.top = rc.bottom - SYSMET(CYHSCROLL);
|
|
}
|
|
}
|
|
|
|
MoveWindow((HWND)hwnd, rc.left, rc.top, rc.right - rc.left,
|
|
rc.bottom - rc.top, FALSE);
|
|
}
|
|
} /* if */
|
|
|
|
else {
|
|
RIPERR0(ERROR_INVALID_PARAMETER, RIP_WARNING,
|
|
"UxScrollBarCtlWndProc - NULL lParam for WM_CREATE\n") ;
|
|
} /* else */
|
|
|
|
break;
|
|
|
|
case WM_SIZE:
|
|
if (GetFocus() != (HWND)hwnd)
|
|
break;
|
|
|
|
// scroll bar has the focus -- recalc it's thumb caret size
|
|
// no need to DeferWinEventNotify() - see CreateCaret below.
|
|
DestroyCaret();
|
|
|
|
// | |
|
|
// | FALL THRU |
|
|
// V V
|
|
|
|
case WM_SETFOCUS:
|
|
{
|
|
// REVIEW (phellyar) Do we want themed scroll bars to have
|
|
// a caret?
|
|
if ( !psb->GetTheme() )
|
|
{
|
|
SBCtlSetup(hwnd);
|
|
RECT rcWindow;
|
|
GetWindowRect( hwnd, &rcWindow );
|
|
|
|
cx = (psb->_fVert ? rcWindow.right - rcWindow.left
|
|
: psb->_calc.cpxThumb) - 2 * SYSMET(CXEDGE);
|
|
cy = (psb->_fVert ? psb->_calc.cpxThumb
|
|
: rcWindow.bottom - rcWindow.top) - 2 * SYSMET(CYEDGE);
|
|
#ifdef _VISUAL_DELTA_
|
|
cx -= (CARET_BORDERWIDTH * 2);
|
|
cy -= (CARET_BORDERWIDTH * 2);
|
|
#endif _VISUAL_DELTA_
|
|
|
|
CreateCaret((HWND)hwnd, (HBITMAP)1, cx, cy);
|
|
zzzSetSBCaretPos(hwnd);
|
|
ShowCaret((HWND)hwnd);
|
|
}
|
|
break;
|
|
}
|
|
|
|
case WM_KILLFOCUS:
|
|
DestroyCaret();
|
|
break;
|
|
|
|
case WM_ERASEBKGND:
|
|
|
|
/*
|
|
* Do nothing, but don't let DefWndProc() do it either.
|
|
* It will be erased when its painted.
|
|
*/
|
|
return (LONG)TRUE;
|
|
|
|
case WM_PRINTCLIENT:
|
|
case WM_PAINT:
|
|
if ((hdc = (HDC)wParam) == NULL) {
|
|
hdc = BeginPaint((HWND)hwnd, (LPPAINTSTRUCT)&ps);
|
|
}
|
|
if (!fSize) {
|
|
SBCtlSetup(hwnd);
|
|
xxxDrawSB2((HWND)hwnd, &psb->_calc, hdc, psb->_fVert, psb->_wDisableFlags);
|
|
} else {
|
|
fSizeReal = TestWF((HWND)hwnd, WFSIZEBOX);
|
|
if (!fSizeReal)
|
|
SetWF((HWND)hwnd, WFSIZEBOX);
|
|
|
|
_DrawSizeBoxFromFrame((HWND)hwnd, hdc, 0, 0);
|
|
|
|
if (!fSizeReal)
|
|
ClrWF((HWND)hwnd, WFSIZEBOX);
|
|
}
|
|
|
|
if (wParam == 0L)
|
|
EndPaint((HWND)hwnd, (LPPAINTSTRUCT)&ps);
|
|
break;
|
|
|
|
case WM_GETDLGCODE:
|
|
return DLGC_WANTARROWS;
|
|
|
|
case WM_CONTEXTMENU:
|
|
{
|
|
HWND hwndParent = GetParent(hwnd);
|
|
if (hwndParent)
|
|
{
|
|
ScrollBar_Menu(hwndParent, hwnd, lParam, psb->_fVert);
|
|
}
|
|
break;
|
|
|
|
}
|
|
case WM_NCHITTEST:
|
|
if (LOBYTE(dwStyle) & SBS_SIZEGRIP) {
|
|
#ifdef USE_MIRRORING
|
|
/*
|
|
* If the scroll bar is RTL mirrored, then
|
|
* mirror the hittest of the grip location.
|
|
*/
|
|
if (TestWF((HWND)hwnd, WEFLAYOUTRTL))
|
|
return HTBOTTOMLEFT;
|
|
else
|
|
#endif
|
|
return HTBOTTOMRIGHT;
|
|
} else {
|
|
goto CallDWP;
|
|
}
|
|
break;
|
|
|
|
case WM_MOUSELEAVE:
|
|
psb->SetHotComponent(HTNOWHERE, psb->_fVert);
|
|
InvalidateRect(hwnd, NULL, TRUE);
|
|
break;
|
|
|
|
case WM_MOUSEMOVE:
|
|
{
|
|
INT ht;
|
|
|
|
if (psb->GetHotComponent(psb->_fVert) == 0)
|
|
{
|
|
TRACKMOUSEEVENT tme;
|
|
|
|
tme.cbSize = sizeof(TRACKMOUSEEVENT);
|
|
tme.dwFlags = TME_LEAVE;
|
|
tme.hwndTrack = hwnd;
|
|
tme.dwHoverTime = 0;
|
|
|
|
TrackMouseEvent(&tme);
|
|
}
|
|
|
|
pt.x = GET_X_LPARAM(lParam);
|
|
pt.y = GET_Y_LPARAM(lParam);
|
|
ht = HitTestScrollBar((HWND)hwnd, psb->_fVert, pt);
|
|
if (psb->GetHotComponent(psb->_fVert) != ht)
|
|
{
|
|
psb->SetHotComponent(ht, psb->_fVert);
|
|
InvalidateRect(hwnd, NULL, TRUE);
|
|
}
|
|
break;
|
|
|
|
}
|
|
case WM_LBUTTONDBLCLK:
|
|
cmd = SC_ZOOM;
|
|
if (fSize)
|
|
goto postmsg;
|
|
|
|
/*
|
|
*** FALL THRU **
|
|
*/
|
|
|
|
case WM_LBUTTONDOWN:
|
|
//
|
|
// Note that SBS_SIZEGRIP guys normally won't ever see button
|
|
// downs. This is because they return HTBOTTOMRIGHT to
|
|
// WindowHitTest handling. This will walk up the parent chain
|
|
// to the first sizeable ancestor, bailing out at caption windows
|
|
// of course. That dude, if he exists, will handle the sizing
|
|
// instead.
|
|
//
|
|
if (!fSize) {
|
|
if (TestWF((HWND)hwnd, WFTABSTOP)) {
|
|
SetFocus((HWND)hwnd);
|
|
}
|
|
|
|
HideCaret((HWND)hwnd);
|
|
SBCtlSetup(hwnd);
|
|
|
|
/*
|
|
* SBCtlSetup enters SEM_SB, and _SBTrackInit leaves it.
|
|
*/
|
|
_SBTrackInit((HWND)hwnd, lParam, 0, (GetKeyState(VK_SHIFT) < 0) ? SCROLL_DIRECT : SCROLL_NORMAL);
|
|
break;
|
|
} else {
|
|
cmd = SC_SIZE;
|
|
postmsg:
|
|
pt.x = GET_X_LPARAM(lParam);
|
|
pt.y = GET_Y_LPARAM(lParam);
|
|
ClientToScreen((HWND)hwnd, &pt);
|
|
lParam = MAKELONG(pt.x, pt.y);
|
|
|
|
/*
|
|
* convert HT value into a move value. This is bad,
|
|
* but this is purely temporary.
|
|
*/
|
|
#ifdef USE_MIRRORING
|
|
if (TestWF(GetParent(hwnd),WEFLAYOUTRTL))
|
|
{
|
|
uSide = HTBOTTOMLEFT;
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
uSide = HTBOTTOMRIGHT;
|
|
}
|
|
ThreadLock(((HWND)hwnd)->hwndParent, &tlpwndParent);
|
|
SendMessage(GetParent(hwnd), WM_SYSCOMMAND,
|
|
(cmd | (uSide - HTSIZEFIRST + 1)), lParam);
|
|
ThreadUnlock(&tlpwndParent);
|
|
}
|
|
break;
|
|
|
|
case WM_KEYUP:
|
|
switch (wParam) {
|
|
case VK_HOME:
|
|
case VK_END:
|
|
case VK_PRIOR:
|
|
case VK_NEXT:
|
|
case VK_LEFT:
|
|
case VK_UP:
|
|
case VK_RIGHT:
|
|
case VK_DOWN:
|
|
|
|
/*
|
|
* Send end scroll uMsg when user up clicks on keyboard
|
|
* scrolling.
|
|
*
|
|
* DoScroll does thread locking on these two pwnds -
|
|
* this is ok since they are not used after this
|
|
* call.
|
|
*/
|
|
xxxDoScroll( (HWND)hwnd, GetParent(hwnd),
|
|
SB_ENDSCROLL, 0, psb->_fVert
|
|
);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case WM_KEYDOWN:
|
|
switch (wParam) {
|
|
case VK_HOME:
|
|
wParam = SB_TOP;
|
|
goto KeyScroll;
|
|
|
|
case VK_END:
|
|
wParam = SB_BOTTOM;
|
|
goto KeyScroll;
|
|
|
|
case VK_PRIOR:
|
|
wParam = SB_PAGEUP;
|
|
goto KeyScroll;
|
|
|
|
case VK_NEXT:
|
|
wParam = SB_PAGEDOWN;
|
|
goto KeyScroll;
|
|
|
|
case VK_LEFT:
|
|
case VK_UP:
|
|
wParam = SB_LINEUP;
|
|
goto KeyScroll;
|
|
|
|
case VK_RIGHT:
|
|
case VK_DOWN:
|
|
wParam = SB_LINEDOWN;
|
|
KeyScroll:
|
|
|
|
/*
|
|
* DoScroll does thread locking on these two pwnds -
|
|
* this is ok since they are not used after this
|
|
* call.
|
|
*/
|
|
xxxDoScroll((HWND)hwnd, GetParent(hwnd), (int)wParam, 0, psb->_fVert
|
|
);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case WM_ENABLE:
|
|
return SendMessage((HWND)hwnd, SBM_ENABLE_ARROWS,
|
|
(wParam ? ESB_ENABLE_BOTH : ESB_DISABLE_BOTH), 0);
|
|
|
|
case SBM_ENABLE_ARROWS:
|
|
|
|
/*
|
|
* This is used to enable/disable the arrows in a SB ctrl
|
|
*/
|
|
return (LONG)xxxEnableSBCtlArrows((HWND)hwnd, (UINT)wParam);
|
|
|
|
case SBM_GETPOS:
|
|
return (LONG)psb->_calc.data.pos;
|
|
|
|
case SBM_GETRANGE:
|
|
*((LPINT)wParam) = psb->_calc.data.posMin;
|
|
*((LPINT)lParam) = psb->_calc.data.posMax;
|
|
return MAKELRESULT(LOWORD(psb->_calc.data.posMin), LOWORD(psb->_calc.data.posMax));
|
|
|
|
case SBM_GETSCROLLINFO:
|
|
return (LONG)_SBGetParms((HWND)hwnd, SB_CTL, (PSBDATA)&psb->_calc, (LPSCROLLINFO) lParam);
|
|
|
|
case SBM_SETRANGEREDRAW:
|
|
fRedraw = TRUE;
|
|
|
|
case SBM_SETRANGE:
|
|
// Save the old values of Min and Max for return value
|
|
si.cbSize = sizeof(si);
|
|
// si.nMin = LOWORD(lParam);
|
|
// si.nMax = HIWORD(lParam);
|
|
si.nMin = (int)wParam;
|
|
si.nMax = (int)lParam;
|
|
si.fMask = SIF_RANGE | SIF_RETURNOLDPOS;
|
|
goto SetInfo;
|
|
|
|
case SBM_SETPOS:
|
|
fRedraw = (BOOL) lParam;
|
|
si.cbSize = sizeof(si);
|
|
si.fMask = SIF_POS | SIF_RETURNOLDPOS;
|
|
si.nPos = (int)wParam;
|
|
goto SetInfo;
|
|
|
|
case SBM_SETSCROLLINFO:
|
|
{
|
|
lpsi = (LPSCROLLINFO) lParam;
|
|
fRedraw = (BOOL) wParam;
|
|
SetInfo:
|
|
fScroll = TRUE;
|
|
lres = SBSetParms((PSBDATA)&psb->_calc, lpsi, &fScroll, &lres);
|
|
|
|
if (SBSetParms((PSBDATA)&psb->_calc, lpsi, &fScroll, &lres))
|
|
{
|
|
NotifyWinEvent(EVENT_OBJECT_VALUECHANGE, hwnd, OBJID_CLIENT, INDEX_SCROLLBAR_SELF);
|
|
}
|
|
|
|
if (!fRedraw)
|
|
return lres;
|
|
|
|
/*
|
|
* We must set the new position of the caret irrespective of
|
|
* whether the window is visible or not;
|
|
* Still, this will work only if the app has done a xxxSetScrollPos
|
|
* with fRedraw = TRUE;
|
|
* Fix for Bug #5188 --SANKAR-- 10-15-89
|
|
* No need to DeferWinEventNotify since hwnd is locked.
|
|
*/
|
|
HideCaret((HWND)hwnd);
|
|
SBCtlSetup(hwnd);
|
|
zzzSetSBCaretPos(hwnd);
|
|
|
|
/*
|
|
** The following ShowCaret() must be done after the DrawThumb2(),
|
|
** otherwise this caret will be erased by DrawThumb2() resulting
|
|
** in this bug:
|
|
** Fix for Bug #9263 --SANKAR-- 02-09-90
|
|
*
|
|
*/
|
|
|
|
/*
|
|
*********** ShowCaret((HWND)hwnd); ******
|
|
*/
|
|
|
|
if (_FChildVisible((HWND)hwnd) && fRedraw)
|
|
{
|
|
UINT wDisable;
|
|
HBRUSH hbrUse;
|
|
|
|
if (!fScroll)
|
|
fScroll = !(lpsi->fMask & SIF_DISABLENOSCROLL);
|
|
|
|
wDisable = (fScroll) ? ESB_ENABLE_BOTH : ESB_DISABLE_BOTH;
|
|
xxxEnableScrollBar((HWND) hwnd, SB_CTL, wDisable);
|
|
|
|
hdc = GetWindowDC((HWND)hwnd);
|
|
if (hdc)
|
|
{
|
|
BOOL fOwnerBrush = FALSE;
|
|
|
|
hbrUse = ScrollBar_GetColorObjects(hwnd, hdc, &fOwnerBrush);
|
|
hbrSave = SelectBrush(hdc, hbrUse);
|
|
|
|
// Before we used to only hideshowthumb() if the mesage was
|
|
// not SBM_SETPOS. I am not sure why but this case was ever
|
|
// needed for win 3.x but on NT it resulted in trashing the border
|
|
// of the scrollbar when the app called SetScrollPos() during
|
|
// scrollbar tracking. - mikehar 8/26
|
|
DrawThumb2((HWND)hwnd, &psb->_calc, hdc, hbrUse, psb->_fVert, psb->_wDisableFlags, fOwnerBrush);
|
|
SelectBrush(hdc, hbrSave);
|
|
ReleaseDC(hwnd, hdc);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* This ShowCaret() has been moved to this place from above
|
|
* Fix for Bug #9263 --SANKAR-- 02-09-90
|
|
*/
|
|
ShowCaret((HWND)hwnd);
|
|
return lres;
|
|
}
|
|
|
|
case WM_GETOBJECT:
|
|
|
|
if(lParam == OBJID_QUERYCLASSNAMEIDX)
|
|
{
|
|
return MSAA_CLASSNAMEIDX_SCROLLBAR;
|
|
}
|
|
|
|
break;
|
|
|
|
case WM_THEMECHANGED:
|
|
|
|
psb->ChangeSBTheme();
|
|
InvalidateRect(hwnd, NULL, TRUE);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
CallDWP:
|
|
return DefWindowProc((HWND)hwnd, uMsg, wParam, lParam);
|
|
|
|
}
|
|
|
|
return 0L;
|
|
}
|
|
|
|
//-------------------------------------------------------------------------//
|
|
// Globals
|
|
static HBRUSH g_hbrGray = NULL;
|
|
|
|
//-------------------------------------------------------------------------//
|
|
HBRUSH _UxGrayBrush(VOID)
|
|
{
|
|
if( NULL == g_hbrGray )
|
|
{
|
|
CONST static WORD patGray[8] = {0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa};
|
|
HBITMAP hbmGray;
|
|
/*
|
|
* Create a gray brush to be used with GrayString
|
|
*/
|
|
if( (hbmGray = CreateBitmap(8, 8, 1, 1, (LPBYTE)patGray)) != NULL )
|
|
{
|
|
g_hbrGray = CreatePatternBrush(hbmGray);
|
|
DeleteObject( hbmGray );
|
|
}
|
|
}
|
|
return g_hbrGray;
|
|
}
|
|
|
|
//-------------------------------------------------------------------------//
|
|
void _RedrawFrame( HWND hwnd )
|
|
{
|
|
CheckLock(hwnd);
|
|
|
|
/*
|
|
* We always want to call xxxSetWindowPos, even if invisible or iconic,
|
|
* because we need to make sure the WM_NCCALCSIZE message gets sent.
|
|
*/
|
|
SetWindowPos( hwnd, NULL, 0, 0, 0, 0, SWP_NOZORDER |
|
|
SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE | SWP_DRAWFRAME);
|
|
}
|
|
|
|
//-------------------------------------------------------------------------//
|
|
// from winmgr.c
|
|
BOOL _FChildVisible( HWND hwnd )
|
|
{
|
|
while (GetWindowStyle( hwnd ) & WS_CHILD )
|
|
{
|
|
if( NULL == (hwnd = GetParent(hwnd)) )
|
|
if (!TestWF(hwnd, WFVISIBLE))
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
//-------------------------------------------------------------------------//
|
|
//
|
|
// SizeBoxHwnd
|
|
//
|
|
// Returns the HWND that will be sized if the user drags in the given window's
|
|
// sizebox -- If NULL, then the sizebox is not needed
|
|
//
|
|
// Criteria for choosing what window will be sized:
|
|
// find first sizeable parent; if that parent is not maximized and the child's
|
|
// bottom, right corner is within a scroll bar height and width of the parent's
|
|
//
|
|
HWND SizeBoxHwnd(HWND hwnd)
|
|
{
|
|
BOOL bMirroredSizeBox = (BOOL)TestWF(hwnd, WEFLAYOUTRTL);
|
|
RECT rc;
|
|
int xbrChild;
|
|
int ybrChild;
|
|
|
|
GetWindowRect(hwnd, &rc);
|
|
|
|
xbrChild = bMirroredSizeBox ? rc.left : rc.right;
|
|
ybrChild = rc.bottom;
|
|
|
|
while (hwnd != HWND_DESKTOP)
|
|
{
|
|
if (TestWF(hwnd, WFSIZEBOX))
|
|
{
|
|
//
|
|
// First sizeable parent found
|
|
//
|
|
int xbrParent;
|
|
int ybrParent;
|
|
|
|
if (TestWF(hwnd, WFMAXIMIZED))
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
GetWindowRect(hwnd, &rc);
|
|
|
|
xbrParent = bMirroredSizeBox ? rc.left : rc.right;
|
|
ybrParent = rc.bottom;
|
|
|
|
//
|
|
// the sizebox dude is within an EDGE of the client's bottom
|
|
// right corner (left corner for mirrored windows), let this succeed.
|
|
// That way people who draw their own sunken clients will be happy.
|
|
//
|
|
if (bMirroredSizeBox)
|
|
{
|
|
if ((xbrChild - SYSMETRTL(CXFRAME) > xbrParent) || (ybrChild + SYSMETRTL(CYFRAME) < ybrParent))
|
|
{
|
|
//
|
|
// Child's bottom, left corner of SIZEBOX isn't close enough
|
|
// to bottom left of parent's client.
|
|
//
|
|
return NULL;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if ((xbrChild + SYSMETRTL(CXFRAME) < xbrParent) || (ybrChild + SYSMETRTL(CYFRAME) < ybrParent))
|
|
{
|
|
//
|
|
// Child's bottom, right corner of SIZEBOX isn't close enough
|
|
// to bottom right of parent's client.
|
|
//
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
return hwnd;
|
|
}
|
|
|
|
if (!TestWF(hwnd, WFCHILD) || TestWF(hwnd, WFCPRESENT))
|
|
{
|
|
break;
|
|
}
|
|
|
|
hwnd = GetParent(hwnd);
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
//-------------------------------------------------------------------------//
|
|
//
|
|
// _DrawPushButton
|
|
//
|
|
// From ntuser\rtl\draw.c
|
|
// Draws a push style button in the given state. Adjusts passed in rectangle
|
|
// if desired.
|
|
//
|
|
// Algorithm:
|
|
// Depending on the state we either draw
|
|
// - raised edge (undepressed)
|
|
// - sunken edge with extra shadow (depressed)
|
|
// If it is an option push button (a push button that is
|
|
// really a check button or a radio button like buttons
|
|
// in tool bars), and it is checked, then we draw it
|
|
// depressed with a different fill in the middle.
|
|
//
|
|
VOID _DrawPushButton(HWND hwnd, HDC hdc, LPRECT lprc, UINT state, UINT flags, BOOL fVert)
|
|
{
|
|
RECT rc;
|
|
HBRUSH hbrMiddle;
|
|
DWORD rgbBack = 0;
|
|
DWORD rgbFore = 0;
|
|
BOOL fDither;
|
|
HTHEME hTheme = CUxScrollBar::GetSBTheme(hwnd);
|
|
|
|
if ( !hTheme )
|
|
{
|
|
rc = *lprc;
|
|
|
|
DrawEdge(hdc,
|
|
&rc,
|
|
(state & (DFCS_PUSHED | DFCS_CHECKED)) ? EDGE_SUNKEN : EDGE_RAISED,
|
|
(UINT)(BF_ADJUST | BF_RECT | (flags & (BF_SOFT | BF_FLAT | BF_MONO))));
|
|
|
|
//
|
|
// BOGUS
|
|
// On monochrome, need to do something to make pushed buttons look
|
|
// better.
|
|
//
|
|
|
|
//
|
|
// Fill in middle. If checked, use dither brush (gray brush) with
|
|
// black becoming normal color.
|
|
//
|
|
fDither = FALSE;
|
|
|
|
if (state & DFCS_CHECKED)
|
|
{
|
|
if ((GetDeviceCaps(hdc, BITSPIXEL) /*gpsi->BitCount*/ < 8) || (SYSRGBRTL(3DHILIGHT) == RGB(255,255,255)))
|
|
{
|
|
hbrMiddle = _UxGrayBrush();
|
|
rgbBack = SetBkColor(hdc, SYSRGBRTL(3DHILIGHT));
|
|
rgbFore = SetTextColor(hdc, SYSRGBRTL(3DFACE));
|
|
fDither = TRUE;
|
|
}
|
|
else
|
|
{
|
|
hbrMiddle = SYSHBR(3DHILIGHT);
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
hbrMiddle = SYSHBR(3DFACE);
|
|
}
|
|
|
|
FillRect(hdc, &rc, hbrMiddle);
|
|
|
|
if (fDither)
|
|
{
|
|
SetBkColor(hdc, rgbBack);
|
|
SetTextColor(hdc, rgbFore);
|
|
}
|
|
|
|
if (flags & BF_ADJUST)
|
|
{
|
|
*lprc = rc;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
INT iStateId;
|
|
INT iPartId;
|
|
SIZE sizeGrip;
|
|
RECT rcContent;
|
|
PSBTRACK pSBTrack = CUxScrollBar::GetSBTrack(hwnd);
|
|
|
|
if ((CUxScrollBarCtl::GetDisableFlags(hwnd) & ESB_DISABLE_BOTH) == ESB_DISABLE_BOTH)
|
|
{
|
|
iStateId = SCRBS_DISABLED;
|
|
}
|
|
else if (pSBTrack && ((BOOL)pSBTrack->fTrackVert == fVert) && (pSBTrack->cmdSB == SB_THUMBPOSITION))
|
|
{
|
|
iStateId = SCRBS_PRESSED;
|
|
}
|
|
else if (CUxScrollBar::GetSBHotComponent(hwnd, fVert) == HTSCROLLTHUMB)
|
|
{
|
|
iStateId = SCRBS_HOT;
|
|
}
|
|
else
|
|
{
|
|
iStateId = SCRBS_NORMAL;
|
|
}
|
|
|
|
iPartId = fVert ? SBP_THUMBBTNVERT : SBP_THUMBBTNHORZ;
|
|
|
|
//
|
|
// Draw the thumb
|
|
//
|
|
DrawThemeBackground(hTheme, hdc, iPartId, iStateId, lprc, 0);
|
|
|
|
//
|
|
// Lastly draw the little gripper image, if there is enough room
|
|
//
|
|
if ( SUCCEEDED(GetThemeBackgroundContentRect(hTheme, hdc, iPartId, iStateId, lprc, &rcContent)) )
|
|
{
|
|
iPartId = fVert ? SBP_GRIPPERVERT : SBP_GRIPPERHORZ;
|
|
|
|
if ( SUCCEEDED(GetThemePartSize(hTheme, hdc, iPartId, iStateId, &rcContent, TS_TRUE, &sizeGrip)) )
|
|
{
|
|
if ( (sizeGrip.cx < RECTWIDTH(&rcContent)) && (sizeGrip.cy < RECTHEIGHT(&rcContent)) )
|
|
{
|
|
DrawThemeBackground(hTheme, hdc, iPartId, iStateId, &rcContent, 0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// user.h
|
|
#define CheckMsgFilter(wMsg, wMsgFilterMin, wMsgFilterMax) \
|
|
( ((wMsgFilterMin) == 0 && (wMsgFilterMax) == 0xFFFFFFFF) \
|
|
|| ( ((wMsgFilterMin) > (wMsgFilterMax)) \
|
|
? (((wMsg) < (wMsgFilterMax)) || ((wMsg) > (wMsgFilterMin))) \
|
|
: (((wMsg) >= (wMsgFilterMin)) && ((wMsg) <= (wMsgFilterMax)))))
|
|
|
|
#define SYS_ALTERNATE 0x2000
|
|
#define SYS_PREVKEYSTATE 0x4000
|
|
|
|
// mnaccel.h
|
|
/***************************************************************************\
|
|
* _SysToChar
|
|
*
|
|
* EXIT: If the message was not made with the ALT key down, convert
|
|
* the message from a WM_SYSKEY* to a WM_KEY* message.
|
|
*
|
|
* IMPLEMENTATION:
|
|
* The 0x2000 bit in the hi word of lParam is set if the key was
|
|
* made with the ALT key down.
|
|
*
|
|
* History:
|
|
* 11/30/90 JimA Ported.
|
|
\***************************************************************************/
|
|
|
|
UINT _SysToChar(
|
|
UINT message,
|
|
LPARAM lParam)
|
|
{
|
|
if (CheckMsgFilter(message, WM_SYSKEYDOWN, WM_SYSDEADCHAR) &&
|
|
!(HIWORD(lParam) & SYS_ALTERNATE))
|
|
return (message - (WM_SYSKEYDOWN - WM_KEYDOWN));
|
|
|
|
return message;
|
|
}
|