Source code of Windows XP (NT5)
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// DeskMovr.h : Declaration of the CDeskMovr
#ifndef __DESKMOVR_H_
#define __DESKMOVR_H_
#include "resource.h" // main symbols
#include "admovr2.h"
#include "stdafx.h"
#define IDR_BOGUS_MOVR_REG 23
// Function prototypes
typedef HRESULT (CALLBACK FAR * LPFNCOMPENUM)(COMPONENT * pComp, LPVOID lpvData, DWORD dwData);
typedef HRESULT (CALLBACK FAR * LPFNELEMENUM)(IHTMLElement * pielem, LPVOID lpvData, LONG lData);
/////////////////////////////////////////////////////////////////////////////
// CDeskMovr
class ATL_NO_VTABLE CDeskMovr :
public CComObjectRootEx<CComSingleThreadModel>,
public CComCoClass<CDeskMovr,&CLSID_DeskMovr>,
public CComControl<CDeskMovr>,
public IDeskMovr,
public IOleObjectImpl<CDeskMovr>,
public IPersistPropertyBag,
public IOleControlImpl<CDeskMovr>,
public IOleInPlaceActiveObjectImpl<CDeskMovr>,
public IViewObjectExImpl<CDeskMovr>,
public IOleInPlaceObjectWindowlessImpl<CDeskMovr>,
public IQuickActivateImpl<CDeskMovr>
{
public:
CDeskMovr(void);
~CDeskMovr(void);
DECLARE_REGISTRY_RESOURCEID(IDR_BOGUS_MOVR_REG)
DECLARE_WND_CLASS(TEXT("DeskMover"));
BEGIN_COM_MAP(CDeskMovr)
COM_INTERFACE_ENTRY(IDeskMovr)
COM_INTERFACE_ENTRY_IMPL_IID(IID_IViewObject, IViewObjectEx)
COM_INTERFACE_ENTRY_IMPL_IID(IID_IViewObject2, IViewObjectEx)
COM_INTERFACE_ENTRY_IMPL(IViewObjectEx)
COM_INTERFACE_ENTRY_IMPL_IID(IID_IOleWindow, IOleInPlaceObjectWindowless)
COM_INTERFACE_ENTRY_IMPL_IID(IID_IOleInPlaceObject, IOleInPlaceObjectWindowless)
COM_INTERFACE_ENTRY_IMPL(IOleInPlaceObjectWindowless)
COM_INTERFACE_ENTRY_IMPL(IOleInPlaceActiveObject)
COM_INTERFACE_ENTRY_IMPL(IOleControl)
COM_INTERFACE_ENTRY_IMPL(IOleObject)
COM_INTERFACE_ENTRY(IPersistPropertyBag)
COM_INTERFACE_ENTRY_IMPL(IQuickActivate)
END_COM_MAP()
BEGIN_PROPERTY_MAP(CDeskMovr)
// Example entries
// PROP_ENTRY("Property Description", dispid, clsid)
// PROP_PAGE(CLSID_StockColorPage)
END_PROPERTY_MAP()
BEGIN_MSG_MAP(CDeskMovr)
MESSAGE_HANDLER(WM_PAINT, OnPaint)
MESSAGE_HANDLER(WM_SETFOCUS, OnSetFocus)
MESSAGE_HANDLER(WM_KILLFOCUS, OnKillFocus)
MESSAGE_HANDLER(WM_MOUSEMOVE, OnMouseMove)
MESSAGE_HANDLER(WM_LBUTTONDOWN, OnMouseDown)
MESSAGE_HANDLER(WM_LBUTTONUP, OnMouseUp)
MESSAGE_HANDLER(WM_ERASEBKGND, OnEraseBkgnd)
MESSAGE_HANDLER(WM_CAPTURECHANGED, OnCaptureChanged)
MESSAGE_HANDLER(WM_SETCURSOR, OnSetCursor)
ALT_MSG_MAP(1)
MESSAGE_HANDLER(WM_TIMER, OnTimer)
END_MSG_MAP()
// IOleInPlaceObject
virtual STDMETHODIMP InPlaceDeactivate(void);
// IOleObject
STDMETHODIMP GetMiscStatus(DWORD dwAspect, DWORD *pdwStatus);
virtual STDMETHODIMP SetClientSite(IOleClientSite *pClientSite);
// IOleControl method we override to identify a safe time hook up with our partner and
// party on the Trident OM
virtual STDMETHODIMP FreezeEvents(BOOL bFreeze);
// IViewObjectEx
virtual STDMETHODIMP GetViewStatus(DWORD* pdwStatus)
{
ATLTRACE(_T("IViewObjectExImpl::GetViewStatus\n"));
*pdwStatus = VIEWSTATUS_SOLIDBKGND | VIEWSTATUS_OPAQUE;
return S_OK;
}
// IQuickActivate
virtual STDMETHODIMP QuickActivate(QACONTAINER *pQACont, QACONTROL *pQACtrl);
void OnKeyboardHook(WPARAM wParam, LPARAM lParam);
public:
HRESULT OnDraw(ATL_DRAWINFO& di);
// IPersistPropertyBag
// IPersist
virtual STDMETHODIMP GetClassID(CLSID *pClassID)
{
*pClassID = CComCoClass<CDeskMovr,&CLSID_DeskMovr>::GetObjectCLSID();
return S_OK;
}
// IPersistPropertyBag
//
virtual STDMETHODIMP InitNew()
{
ATLTRACE(_T("CDeskMovr::InitNew\n"));
return S_OK;
}
virtual STDMETHODIMP Load(LPPROPERTYBAG pPropBag, LPERRORLOG pErrorLog);
virtual STDMETHODIMP Save(LPPROPERTYBAG pPropBag, BOOL fClearDirty, BOOL fSaveAllProperties);
HWND Create(HWND hWndParent, RECT& rcPos, LPCTSTR szWindowName = NULL,
DWORD dwStyle = WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS, DWORD dwExStyle = 0,
UINT nID = 0)
{
// We override this method inorder to add the WS_CLIPSIBLINGS bit
// to dwStyle, which is needed to prevent the IFrames from flashing
// when the windowed control is moved over them.
ATOM atom = GetWndClassInfo().Register(&m_pfnSuperWindowProc);
return CWindowImplBase::Create(hWndParent, rcPos, szWindowName, dwStyle, dwExStyle,
nID, atom);
}
HRESULT SmartActivateMovr(HRESULT hrPropagate);
protected:
void DeactivateMovr(BOOL fDestroy); // stop timer, release interfaces
HRESULT ActivateMovr(); // start timer, secure interfaces
STDMETHODIMP GetOurStyle(void); // get our control extender's style obj
void _ChangeCapture(BOOL fSet);
BOOL FFindTargetElement( IHTMLElement *pielem, IHTMLElement **ppielem );
HRESULT MoveSelfToTarget( IHTMLElement *pielem, POINT * pptDoc );
void TrackTarget(POINT * pptDoc);
LRESULT OnPaint( UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled );
LRESULT OnMouseMove(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled );
LRESULT OnMouseDown( UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled );
LRESULT OnMouseUp( UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled );
LRESULT OnEraseBkgnd(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled );
LRESULT OnCaptureChanged( UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled );
LRESULT OnTimer( UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled );
LRESULT OnSetCursor( UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled );
HRESULT MoveSelfAndTarget( LONG x, LONG y );
BOOL TrackCaption( POINT * pptDoc );
void DrawCaptionButton(HDC hdc, LPRECT lprc, UINT uType, UINT uState, BOOL fErase);
void DrawCaption(HDC hdc, UINT uDrawFlags, int x, int y);
void UpdateCaption(UINT uDrawFlags);
void CheckCaptionState(int x, int y);
HRESULT _DisplayContextMenu(void);
HRESULT _GetHTMLDoc(IOleClientSite * pocs, IHTMLDocument2 ** pphd2);
HRESULT _IsInElement(HWND hwndParent, POINT * ppt, IHTMLElement ** pphe);
HRESULT _GetZOrderSlot(LONG * plZOrderSlot, BOOL fTop);
HRESULT _HandleZoom(LONG lCommand);
HRESULT _EnumComponents(LPFNCOMPENUM lpfn, LPVOID lpvData, DWORD dwData);
HRESULT _EnumElements(LPFNELEMENUM lpfn, LPVOID lpvData, DWORD dwData);
HRESULT _TrackElement(POINT * ppt, IHTMLElement * pielem, BOOL * fDidWork);
void _MapPoints(int * px, int * py);
int CountActiveCaptions();
// private state information.
//
BOOL m_fEnabled;
long m_lInterval;
int m_cxBorder;
int m_cyBorder;
int m_cyCaption;
int m_cySysCaption;
int m_cyCaptionShow;
int m_cySMBorder;
int m_cxSMBorder;
CContainedWindow m_TimerWnd; // if we're timer-driven, we need this in case we're windowless
enum DragMode {
dmNull = 0, // no dragable part
dmMenu, // caption drop down button for menu
dmClose, // caption button for close
dmRestore, // caption button for restore
dmFullScreen, // caption button for full screen
dmSplit, // caption button for split
// all gadgets on the caption bar should appear before dmMove!
dmMove, // move the component
dmSizeWHBR, // resize width and height from bottom right corner
dmSizeWHTL, // resize width and height from top left corner
dmSizeWHTR, // resize width and height from top right corner
dmSizeWHBL, // resize width and height from bottom left corner
dmSizeTop, // resize from the top edge
dmSizeBottom, // resize from the bottom edge
dmSizeLeft, // resize from the left edge
dmSizeRight, // resize from the right edge
cDragModes // count of drag modes, including dmNull
};
BITBOOL m_fCanResizeX; // Whether this component can be resized in X Direction?
BITBOOL m_fCanResizeY; // Whether this component can be resized in Y Direction?
HRESULT InitAttributes(IHTMLElement *pielem);
HRESULT GetParentWindow(void);
DragMode m_dmCur; // current drag mode, or dmNull if none.
DragMode m_dmTrack; // last drag mode seen by TrackCaption
RECT m_rectInner; // area inside frame, in local coords
RECT m_rectOuter; // outer bounds of mover, in local coords
RECT m_rectCaption; // rect of our pseudo-caption, in local coords
SIZE m_sizeCorner; // size of the corner areas of the frame
BOOL GetCaptionButtonRect(DragMode dm, LPRECT lprc);
void SyncRectsToTarget(void);
DragMode DragModeFromPoint( POINT pt );
HCURSOR CursorFromDragMode( DragMode dm );
HRESULT SizeSelfAndTarget(POINT ptDoc);
void DismissSelfNow(void);
BOOL HandleNonMoveSize(DragMode dm);
HCURSOR m_hcursor;
LONG m_top;
LONG m_left;
LONG m_width;
LONG m_height;
BOOL m_fTimer; // do we have a timer running?
UINT m_uiTimerID;
POINT m_ptMouseCursor; // Mouse cursor at timer
BSTR m_bstrTargetName; // name attribute on targetted html elements
IHTMLStyle *m_pistyle; // our control's style object
IHTMLStyle *m_pistyleTarget; // The style object of our current target, also how we ID it
IHTMLElement *m_pielemTarget; // This interface on the target is how we move and resize it
LONG m_iSrcTarget; // get_sourceIndex value for the current target
BOOL m_fCaptured; // true if mouse-capture/ move operation in progress
LONG m_dx; // delta from mouse down to corner of active gadget
LONG m_dy; // delta from mouse down to corner of active gadget};
DWORD m_CaptionState;
HWND m_hwndParent;
LONG m_zIndexTop;
LONG m_zIndexBottom;
LONG m_cSkipTimer; // Used to allow the dismissal of the mover to take two timer periods.
DWORD m_ItemState;
};
// Defines for DrawCaption
#define DMDC_CAPTION 0x0001
#define DMDC_MENU 0x0002
#define DMDC_CLOSE 0x0004
#define DMDC_RESTORE 0x0008
#define DMDC_FULLSCREEN 0x0010
#define DMDC_SPLIT 0x0020
#define DMDC_ALL (DMDC_CAPTION | DMDC_MENU | DMDC_CLOSE | DMDC_SPLIT | DMDC_FULLSCREEN | DMDC_RESTORE)
// Defines for CaptionState
#define CS_MENUTRACKED 0x00000001
#define CS_MENUPUSHED 0x00000002
#define CS_CLOSETRACKED 0x00000004
#define CS_CLOSEPUSHED 0x00000008
#define CS_RESTORETRACKED 0x00000010
#define CS_RESTOREPUSHED 0x00000020
#define CS_FULLSCREENTRACKED 0x00000040
#define CS_FULLSCREENPUSHED 0x00000080
#define CS_SPLITTRACKED 0x00000100
#define CS_SPLITPUSHED 0x00000200
#endif //__DESKMOVR_H_