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2012 lines
58 KiB
2012 lines
58 KiB
#include "ctlspriv.h"
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#include "limits.h"
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#include "image.h" // for CreateColorBitmap
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//#define TB_DEBUG
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//#define FEATURE_DEBUG // Ctrl+Shift force-enables rare features for debugging
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typedef struct {
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// standard header information for each control
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CCONTROLINFO ci;
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HDC hdc; // current DC
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HBITMAP hbmBuffer; // double buffer
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LONG lLogMin; // Logical minimum
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LONG lLogMax; // Logical maximum
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LONG lLogPos; // Logical position
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LONG lSelStart; // Logical selection start
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LONG lSelEnd; // Logical selection end
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int iThumbWidth; // Width of the thumb
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int iThumbHeight; // Height of the thumb
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int iSizePhys; // Size of where thumb lives
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RECT rc; // track bar rect.
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RECT rcThumb; // Rectangle we current thumb
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DWORD dwDragPos; // Logical position of mouse while dragging.
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int dwDragOffset; // how many pixels off the center did they click
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int nTics; // number of ticks.
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PDWORD pTics; // the tick marks.
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int ticFreq; // the frequency of ticks
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LONG lPageSize; // how much to thumb up and down.
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LONG lLineSize; // how muhc to scroll up and down on line up/down
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HWND hwndToolTips;
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// these should probably be word or bytes
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UINT wDirtyFlags;
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UINT uTipSide; // which side should the tip be on?
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UINT Flags; // Flags for our window
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UINT Cmd; // The command we're repeating.
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HTHEME hTheme;
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BOOL bThumbHot;
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HIMC hPrevImc; // previous input context handle
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HWND hwndBuddyLeft;
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HWND hwndBuddyRight;
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} TRACKBAR, *PTRACKBAR;
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// Trackbar flags
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#define TBF_NOTHUMB 0x0001 // No thumb because not wide enough.
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#define TBF_SELECTION 0x0002 // a selection has been established (draw the range)
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#define MIN_THUMB_HEIGHT (2 * g_cxEdge)
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/*
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useful constants.
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*/
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#define REPEATTIME 500 // mouse auto repeat 1/2 of a second
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#define TIMER_ID 1
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/*
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Function Prototypes
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*/
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void DoTrack(PTRACKBAR, int, DWORD);
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WORD WTrackType(PTRACKBAR, LONG);
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void TBTrackInit(PTRACKBAR, LPARAM);
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void TBTrackEnd(PTRACKBAR);
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void TBTrack(PTRACKBAR, LPARAM);
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void DrawThumb(PTRACKBAR, LPRECT, BOOL);
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HBRUSH SelectColorObjects(PTRACKBAR, BOOL);
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void SetTBCaretPos(PTRACKBAR);
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#define TICKHEIGHT 3
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#define BORDERSIZE 2
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#define ISVERT(tb) (tb->ci.style & TBS_VERT)
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#define TBC_TICS 0x1
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#define TBC_THUMB 0x2
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#define TBC_ALL 0xF
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// this is called internally when the trackbar has
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// changed and we need to update the double buffer bitmap
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// we only set a flag. we do the actual draw
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// during WM_PAINT. This prevents wasted efforts drawing.
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#define TBChanged(ptb, wFlags) ((ptb)->wDirtyFlags |= (wFlags))
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//
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// Function Prototypes
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//
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LPARAM CALLBACK TrackBarWndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam);
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void FlushChanges(PTRACKBAR tb);
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//--------------------------------------------------------------------------;
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//
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// LONG MulDiv32(a,b,c) = (a * b + c/2) / c
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//
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//--------------------------------------------------------------------------;
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#define MulDiv32 MulDiv // use KERNEL32 version (it rounds)
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//--------------------------------------------------------------------------;
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//--------------------------------------------------------------------------;
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//
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// convert a logical scroll-bar position to a physical pixel position
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//
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int TBLogToPhys(PTRACKBAR tb, DWORD dwPos)
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{
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int x;
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x = tb->rc.left;
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if (tb->lLogMax == tb->lLogMin)
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return x;
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return (int)MulDiv32(dwPos - tb->lLogMin, tb->iSizePhys - 1,
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tb->lLogMax - tb->lLogMin) + x;
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}
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LONG TBPhysToLog(PTRACKBAR ptb, int iPos)
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{
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int min, max, x;
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min = ptb->rc.left;
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max = ptb->rc.right;
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x = ptb->rc.left;
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if (ptb->iSizePhys <= 1)
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return ptb->lLogMin;
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if (iPos <= min)
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return ptb->lLogMin;
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if (iPos >= max)
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return ptb->lLogMax;
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return MulDiv32(iPos - x, ptb->lLogMax - ptb->lLogMin,
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ptb->iSizePhys - 1) + ptb->lLogMin;
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}
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#pragma code_seg(CODESEG_INIT)
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/*
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* Initialize the trackbar code
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*/
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BOOL InitTrackBar(HINSTANCE hInstance)
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{
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WNDCLASS wc;
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// See if we must register a window class
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wc.lpfnWndProc = TrackBarWndProc;
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wc.lpszClassName = s_szSTrackBarClass;
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wc.hCursor = LoadCursor(NULL, IDC_ARROW);
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wc.hIcon = NULL;
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wc.lpszMenuName = NULL;
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wc.hbrBackground = (HBRUSH)(COLOR_3DFACE + 1);
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wc.hInstance = hInstance;
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wc.style = CS_GLOBALCLASS;
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wc.cbClsExtra = 0;
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wc.cbWndExtra = sizeof(PTRACKBAR);
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return (RegisterClass(&wc) || (GetLastError() == ERROR_CLASS_ALREADY_EXISTS));
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}
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#pragma code_seg()
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/*
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* To add vertical capabilities, I'm using a virtual coordinate
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* system. the ptb->rcThumb and ptb->rc are in the virtual space (which
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* is just a horizontal trackbar). Draw routines use PatRect
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* which switch to the real coordinate system as needed.
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*
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* The one gotcha is that the Thumb Bitmap has the pressed bitmap
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* to the real right, and the masks to the real right again for both
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* the vertical and horizontal Thumbs. So those cases are hardcoded.
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* Do a search for ISVERT to find these dependancies.
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* -Chee
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*/
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/*
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FlipRect Function is moved to cutils.c as other controls were also using it.
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-Arul
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*/
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void TBFlipPoint(PTRACKBAR ptb, LPPOINT lppt)
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{
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if (ISVERT(ptb)) {
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FlipPoint(lppt);
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}
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}
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/* added trackbar variable to do auto verticalization */
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void PatRect(HDC hdc,int x,int y,int dx,int dy, PTRACKBAR ptb)
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{
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RECT rc;
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rc.left = x;
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rc.top = y;
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rc.right = x + dx;
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rc.bottom = y + dy;
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if (ISVERT(ptb))
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FlipRect(&rc);
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ExtTextOut(hdc,0,0,ETO_OPAQUE,&rc,NULL,0,NULL);
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}
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#define TBInvalidateRect(hwnd, prc, bErase, ptb) VertInvalidateRect(hwnd, prc, bErase, ISVERT(ptb))
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void VertInvalidateRect(HWND hwnd, LPRECT qrc, BOOL b, BOOL fVert)
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{
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RECT rc;
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rc = *qrc;
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if (fVert) FlipRect(&rc);
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InvalidateRect(hwnd, &rc, b);
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}
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#define TBDrawEdge(hdc, prc, uType, grfFlags, ptb, hTheme, iPartId, iStateId) VertDrawEdge(hdc, prc, uType, grfFlags, ISVERT(ptb), hTheme, iPartId, iStateId)
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// VertDrawEdge is theme aware (RENDERS)
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void VertDrawEdge(HDC hdc, LPRECT qrc, UINT edgeType, UINT grfFlags,
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BOOL fVert, HTHEME hTheme, int iPartId, int iStateId)
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{
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RECT temprc;
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UINT uFlags = grfFlags;
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temprc = *qrc;
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if (fVert) {
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FlipRect(&temprc);
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if (!(uFlags & BF_DIAGONAL)) {
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if (grfFlags & BF_TOP) uFlags |= BF_LEFT;
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else uFlags &= ~BF_LEFT;
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if (grfFlags & BF_LEFT) uFlags |= BF_TOP;
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else uFlags &= ~BF_TOP;
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if (grfFlags & BF_BOTTOM) uFlags |= BF_RIGHT;
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else uFlags &= ~BF_RIGHT;
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if (grfFlags & BF_RIGHT) uFlags |= BF_BOTTOM;
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else uFlags &= ~BF_BOTTOM;
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} else {
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if ((grfFlags & (BF_BOTTOM | BF_RIGHT)) == (BF_BOTTOM | BF_RIGHT)) {
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uFlags = BF_TOP | BF_LEFT;
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if (edgeType == EDGE_RAISED) {
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edgeType = EDGE_SUNKEN;
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} else {
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edgeType = EDGE_RAISED;
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}
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uFlags |= grfFlags & (~BF_RECT);
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uFlags ^= BF_SOFT;
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}
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}
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}
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if (hTheme)
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{
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DrawThemeBackground(hTheme, hdc, iPartId, iStateId, &temprc, 0);
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}
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else
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{
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DrawEdge(hdc, &temprc, edgeType, uFlags);
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}
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}
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#define TBPatBlt(hdc1, x1, y1, w, h, rop, ptb) VertPatBlt(hdc1, x1, y1, w, h, rop, ISVERT(ptb), NULL, 0, 0)
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// VertPatBlt is theme aware (RENDERS)
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void VertPatBlt(HDC hdc1, int x1, int y1, int w, int h,
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DWORD rop, BOOL fVert, HTHEME hTheme, int iPartId, int iStateId)
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{
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if (hTheme)
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{
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RECT rc;
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if (fVert)
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SetRect(&rc, y1, x1, h, w);
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else
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SetRect(&rc, x1, y1, w, h);
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DrawThemeBackground(hTheme, hdc1, iPartId, iStateId, &rc, 0);
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}
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else
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{
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if (fVert)
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PatBlt(hdc1, y1, x1, h, w, rop);
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else
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PatBlt(hdc1, x1, y1, w, h, rop);
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}
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}
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// DrawTic is theme aware (RENDERS)
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void DrawTic(PTRACKBAR ptb, int x, int y, int dir)
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{
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if (dir == -1) y -= TICKHEIGHT;
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if (ptb->hTheme)
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{
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COLORREF cr = 0;
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GetThemeColor(ptb->hTheme, ISVERT(ptb) ? TKP_TICSVERT : TKP_TICS, TSS_NORMAL, TMT_COLOR, &cr);
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SetBkColor(ptb->hdc, cr);
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}
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else
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{
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SetBkColor(ptb->hdc, g_clrBtnText);
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}
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PatRect(ptb->hdc,x,y,1,TICKHEIGHT, ptb);
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}
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// dir = direction multiplier (drawing up or down)
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// yTic = where (vertically) to draw the line of tics
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void DrawTicsOneLine(PTRACKBAR ptb, int dir, int yTic)
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{
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PDWORD pTics;
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int iPos;
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int i;
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DrawTic(ptb, ptb->rc.left, yTic, dir); // first
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DrawTic(ptb, ptb->rc.left, yTic+ (dir * 1), dir);
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DrawTic(ptb, ptb->rc.right-1, yTic, dir); // last
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DrawTic(ptb, ptb->rc.right-1, yTic+ (dir * 1), dir);
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// those inbetween
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pTics = ptb->pTics;
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if (ptb->ticFreq && pTics) {
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for (i = 0; i < ptb->nTics; ++i) {
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if (((i+1) % ptb->ticFreq) == 0) {
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iPos = TBLogToPhys(ptb,pTics[i]);
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DrawTic(ptb, iPos, yTic, dir);
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}
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}
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}
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// draw the selection range (triangles)
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if ((ptb->Flags & TBF_SELECTION) &&
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(ptb->lSelStart <= ptb->lSelEnd) && (ptb->lSelEnd >= ptb->lLogMin)) {
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SetBkColor(ptb->hdc, g_clrBtnText);
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iPos = TBLogToPhys(ptb,ptb->lSelStart);
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for (i = 0; i < TICKHEIGHT; i++)
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PatRect(ptb->hdc,iPos-i,yTic+(dir==1 ? i : -TICKHEIGHT),
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1,TICKHEIGHT-i, ptb);
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iPos = TBLogToPhys(ptb,ptb->lSelEnd);
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for (i = 0; i < TICKHEIGHT; i++)
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PatRect(ptb->hdc,iPos+i,yTic+(dir==1 ? i : -TICKHEIGHT),
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1,TICKHEIGHT-i, ptb);
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}
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}
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/* DrawTics() */
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/* There is always a tick at the beginning and end of the bar, but you can */
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/* add some more of your own with a TBM_SETTIC message. This draws them. */
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/* They are kept in an array whose handle is a window word. The first */
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/* element is the number of extra ticks, and then the positions. */
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void DrawTics(PTRACKBAR ptb)
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{
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// do they even want this?
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if (ptb->ci.style & TBS_NOTICKS) return;
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if ((ptb->ci.style & TBS_BOTH) || !(ptb->ci.style & TBS_TOP)) {
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DrawTicsOneLine(ptb, 1, ptb->rc.bottom + 1);
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}
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if ((ptb->ci.style & (TBS_BOTH | TBS_TOP))) {
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DrawTicsOneLine(ptb, -1, ptb->rc.top - 1);
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}
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}
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void GetChannelRect(PTRACKBAR ptb, LPRECT lprc)
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{
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int iwidth, iheight;
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if (!lprc)
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return;
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lprc->left = ptb->rc.left - ptb->iThumbWidth / 2;
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iwidth = ptb->iSizePhys + ptb->iThumbWidth - 1;
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lprc->right = lprc->left + iwidth;
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if (ptb->ci.style & TBS_ENABLESELRANGE) {
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iheight = ptb->iThumbHeight / 4 * 3; // this is Scrollheight
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} else {
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iheight = 4;
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}
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lprc->top = (ptb->rc.top + ptb->rc.bottom - iheight) /2;
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if (!(ptb->ci.style & TBS_BOTH))
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if (ptb->ci.style & TBS_TOP) lprc->top++;
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else lprc->top--;
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lprc->bottom = lprc->top + iheight;
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}
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/* This draws the track bar itself */
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// DrawChannel is theme aware (RENDERS)
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void DrawChannel(PTRACKBAR ptb, LPRECT lprc)
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{
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TBDrawEdge(ptb->hdc, lprc, EDGE_SUNKEN, BF_RECT,ptb, ptb->hTheme, ISVERT(ptb) ? TKP_TRACKVERT : TKP_TRACK, TRS_NORMAL);
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if (!ptb->hTheme)
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{
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SetBkColor(ptb->hdc, g_clrBtnHighlight);
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// Fill the center
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PatRect(ptb->hdc, lprc->left+2, lprc->top+2, (lprc->right-lprc->left)-4,
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(lprc->bottom-lprc->top)-4, ptb);
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// now highlight the selection range
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if ((ptb->Flags & TBF_SELECTION) &&
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(ptb->lSelStart <= ptb->lSelEnd) && (ptb->lSelEnd > ptb->lLogMin)) {
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int iStart, iEnd;
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iStart = TBLogToPhys(ptb,ptb->lSelStart);
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iEnd = TBLogToPhys(ptb,ptb->lSelEnd);
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if (iStart + 2 <= iEnd) {
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SetBkColor(ptb->hdc, g_clrHighlight);
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PatRect(ptb->hdc, iStart+1, lprc->top+3,
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iEnd-iStart-1, (lprc->bottom-lprc->top)-6, ptb);
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}
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}
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}
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}
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// DrawThumb is theme aware (RENDERS)
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void DrawThumb(PTRACKBAR ptb, LPRECT lprc, BOOL fSelected)
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{
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// iDpt direction from middle to point of thumb
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// a negative value inverts things.
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// this allows one code path..
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int iDpt = 0;
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int i = 0; // size of point triangle
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int iYpt = 0; // vertical location of tip;
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int iXmiddle = 0;
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int icount; // just a loop counter
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UINT uEdgeFlags = 0;
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RECT rcThumb = *lprc;
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if (ptb->Flags & TBF_NOTHUMB ||
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ptb->ci.style & TBS_NOTHUMB) // If no thumb, just leave.
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return;
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ASSERT(ptb->iThumbHeight >= MIN_THUMB_HEIGHT);
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ASSERT(ptb->iThumbWidth > 1);
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if (!ptb->hTheme)
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{
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// draw the rectangle part
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if (!(ptb->ci.style & TBS_BOTH)) {
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int iMiddle;
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// do -3 because wThumb is odd (triangles ya know)
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// and because draw rects draw inside the rects passed.
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// actually should be (width-1)/2-1, but this is the same...
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i = (ptb->iThumbWidth - 3) / 2;
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iMiddle = ptb->iThumbHeight / 2 + rcThumb.top;
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//draw the rectangle part
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if (ptb->ci.style & TBS_TOP) {
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iMiddle++; //correction because drawing routines
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iDpt = -1;
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rcThumb.top += (i+1);
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uEdgeFlags = BF_SOFT | BF_LEFT | BF_RIGHT | BF_BOTTOM;
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} else {
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iDpt = 1;
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rcThumb.bottom -= (i+1);
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// draw on the inside, not on the bottom and rt edge
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uEdgeFlags = BF_SOFT | BF_LEFT | BF_RIGHT | BF_TOP;
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}
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iYpt = iMiddle + (iDpt * (ptb->iThumbHeight / 2));
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iXmiddle = rcThumb.left + i;
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} else {
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uEdgeFlags = BF_SOFT | BF_RECT;
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}
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// fill in the center
|
|
if (fSelected || !IsWindowEnabled(ptb->ci.hwnd)) {
|
|
HBRUSH hbrTemp;
|
|
// draw the dithered insides;
|
|
hbrTemp = SelectObject(ptb->hdc, g_hbrMonoDither);
|
|
if (hbrTemp) {
|
|
SetTextColor(ptb->hdc, g_clrBtnHighlight);
|
|
SetBkColor(ptb->hdc, g_clrBtnFace);
|
|
TBPatBlt(ptb->hdc, rcThumb.left +2 , rcThumb.top,
|
|
rcThumb.right-rcThumb.left -4, rcThumb.bottom-rcThumb.top,
|
|
PATCOPY,ptb);
|
|
|
|
if (!(ptb->ci.style & TBS_BOTH)) {
|
|
|
|
for (icount = 1; icount <= i; icount++) {
|
|
TBPatBlt(ptb->hdc, iXmiddle-icount+1,
|
|
iYpt - (iDpt*icount),
|
|
icount*2, 1, PATCOPY, ptb);
|
|
}
|
|
}
|
|
SelectObject(ptb->hdc, hbrTemp);
|
|
}
|
|
|
|
} else {
|
|
|
|
|
|
SetBkColor(ptb->hdc, g_clrBtnFace);
|
|
PatRect(ptb->hdc, rcThumb.left+2, rcThumb.top,
|
|
rcThumb.right-rcThumb.left-4, rcThumb.bottom-rcThumb.top, ptb);
|
|
|
|
if (!(ptb->ci.style & TBS_BOTH)) {
|
|
for (icount = 1; icount <= i; icount++) {
|
|
PatRect(ptb->hdc, iXmiddle-icount+1,
|
|
iYpt - (iDpt*icount),
|
|
icount*2, 1, ptb);
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
if (ptb->hTheme)
|
|
{
|
|
int iPartId;
|
|
|
|
// States in overriding order
|
|
int iStateId = TUS_NORMAL;
|
|
|
|
if (ISVERT(ptb))
|
|
{
|
|
if (ptb->ci.style & TBS_BOTH)
|
|
{
|
|
iPartId = TKP_THUMBVERT;
|
|
}
|
|
else if (ptb->ci.style & TBS_LEFT)
|
|
{
|
|
iPartId = TKP_THUMBLEFT;
|
|
}
|
|
else
|
|
{
|
|
iPartId = TKP_THUMBRIGHT;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (ptb->ci.style & TBS_BOTH)
|
|
{
|
|
iPartId = TKP_THUMB;
|
|
}
|
|
else if (ptb->ci.style & TBS_TOP)
|
|
{
|
|
iPartId = TKP_THUMBTOP;
|
|
}
|
|
else
|
|
{
|
|
iPartId = TKP_THUMBBOTTOM;
|
|
}
|
|
}
|
|
#ifdef DEBUG
|
|
if (!IsThemePartDefined(ptb->hTheme, iPartId, 0))
|
|
DebugMsg(DM_WARNING, TEXT("WARNING: Trackbar_Drawthumb: Theme Part not defined: %d\n"), iPartId);
|
|
#endif
|
|
|
|
if (ptb->ci.hwnd == GetFocus() && !(CCGetUIState(&(ptb->ci)) & UISF_HIDEFOCUS))
|
|
iStateId = TUS_FOCUSED;
|
|
|
|
if (ptb->bThumbHot)
|
|
iStateId = TUS_HOT;
|
|
|
|
if (fSelected)
|
|
iStateId = TUS_PRESSED;
|
|
|
|
if (ptb->ci.style & WS_DISABLED)
|
|
iStateId = TUS_DISABLED;
|
|
|
|
// Thumb and ThumbVert parts share the same enum values
|
|
TBDrawEdge(ptb->hdc, &rcThumb, EDGE_RAISED, uEdgeFlags, ptb, ptb->hTheme, iPartId, iStateId);
|
|
}
|
|
else
|
|
{
|
|
TBDrawEdge(ptb->hdc, &rcThumb, EDGE_RAISED, uEdgeFlags, ptb, NULL, 0, 0);
|
|
}
|
|
|
|
if (!ptb->hTheme)
|
|
{
|
|
//now draw the point
|
|
if (!(ptb->ci.style & TBS_BOTH)) {
|
|
UINT uEdgeFlags2;
|
|
|
|
// uEdgeFlags is now used to switch between top and bottom.
|
|
// we'll or it in with the diagonal and left/right flags below
|
|
if (ptb->ci.style & TBS_TOP) {
|
|
rcThumb.bottom = rcThumb.top + 1;
|
|
rcThumb.top = rcThumb.bottom - (i + 2);
|
|
uEdgeFlags = BF_TOP | BF_RIGHT | BF_DIAGONAL | BF_SOFT;
|
|
uEdgeFlags2 = BF_BOTTOM | BF_RIGHT | BF_DIAGONAL;
|
|
} else {
|
|
rcThumb.top = rcThumb.bottom - 1;
|
|
rcThumb.bottom = rcThumb.top + (i + 2);
|
|
|
|
uEdgeFlags = BF_TOP | BF_LEFT | BF_DIAGONAL | BF_SOFT;
|
|
uEdgeFlags2 = BF_BOTTOM | BF_LEFT | BF_DIAGONAL;
|
|
}
|
|
|
|
rcThumb.right = rcThumb.left + (i + 2);
|
|
// do the left side first
|
|
TBDrawEdge(ptb->hdc, &rcThumb, EDGE_RAISED, uEdgeFlags , ptb, NULL, 0, 0);
|
|
// then do th right side
|
|
OffsetRect(&rcThumb, i + 1, 0);
|
|
TBDrawEdge(ptb->hdc, &rcThumb, EDGE_RAISED, uEdgeFlags2 , ptb, NULL, 0, 0);
|
|
}
|
|
}
|
|
}
|
|
void TBInvalidateAll(PTRACKBAR ptb)
|
|
{
|
|
if (ptb) {
|
|
TBChanged(ptb, TBC_ALL);
|
|
InvalidateRect(ptb->ci.hwnd, NULL, FALSE);
|
|
}
|
|
}
|
|
|
|
void MoveThumb(PTRACKBAR ptb, LONG lPos)
|
|
{
|
|
long lOld = ptb->lLogPos;
|
|
|
|
TBInvalidateRect(ptb->ci.hwnd, &ptb->rcThumb, FALSE,ptb);
|
|
|
|
ptb->lLogPos = BOUND(lPos,ptb->lLogMin,ptb->lLogMax);
|
|
ptb->rcThumb.left = TBLogToPhys(ptb, ptb->lLogPos) - ptb->iThumbWidth / 2;
|
|
ptb->rcThumb.right = ptb->rcThumb.left + ptb->iThumbWidth;
|
|
|
|
TBInvalidateRect(ptb->ci.hwnd, &ptb->rcThumb, FALSE,ptb);
|
|
TBChanged(ptb, TBC_THUMB);
|
|
UpdateWindow(ptb->ci.hwnd);
|
|
|
|
if (lOld != ptb->lLogPos)
|
|
NotifyWinEvent(EVENT_OBJECT_VALUECHANGE, ptb->ci.hwnd, OBJID_CLIENT, 0);
|
|
}
|
|
|
|
|
|
void DrawFocus(PTRACKBAR ptb, HBRUSH hbrBackground)
|
|
{
|
|
RECT rc;
|
|
if (ptb->ci.hwnd == GetFocus() &&
|
|
!(CCGetUIState(&(ptb->ci)) & UISF_HIDEFOCUS))
|
|
{
|
|
SetBkColor(ptb->hdc, g_clrBtnHighlight);
|
|
GetClientRect(ptb->ci.hwnd, &rc);
|
|
|
|
// Successive calls to DrawFocusRect will invert it thereby erasing it.
|
|
// To avoid this, whenever we process WM_PAINT, we erase the focus rect ourselves
|
|
// before we draw it below.
|
|
if (hbrBackground)
|
|
FrameRect(ptb->hdc, &rc, hbrBackground);
|
|
|
|
DrawFocusRect(ptb->hdc, &rc);
|
|
}
|
|
}
|
|
|
|
void DoAutoTics(PTRACKBAR ptb)
|
|
{
|
|
LONG *pl;
|
|
LONG l;
|
|
|
|
if (!(ptb->ci.style & TBS_AUTOTICKS))
|
|
return;
|
|
|
|
if (ptb->pTics)
|
|
LocalFree((HLOCAL)ptb->pTics);
|
|
|
|
ptb->nTics = (int)(ptb->lLogMax - ptb->lLogMin - 1);
|
|
|
|
if (ptb->nTics > 0)
|
|
ptb->pTics = (DWORD *)LocalAlloc(LPTR, sizeof(DWORD) * ptb->nTics);
|
|
else
|
|
ptb->pTics = NULL;
|
|
|
|
if (!ptb->pTics) {
|
|
ptb->nTics = 0;
|
|
return;
|
|
}
|
|
|
|
for (pl = (LONG *)ptb->pTics, l = ptb->lLogMin + 1; l < ptb->lLogMax; l++)
|
|
*pl++ = l;
|
|
}
|
|
|
|
|
|
void ValidateThumbHeight(PTRACKBAR ptb)
|
|
{
|
|
if (ptb->iThumbHeight < MIN_THUMB_HEIGHT)
|
|
ptb->iThumbHeight = MIN_THUMB_HEIGHT;
|
|
|
|
ptb->iThumbWidth = ptb->iThumbHeight / 2;
|
|
ptb->iThumbWidth |= 0x01; // make sure it's odd at at least 3
|
|
|
|
if (ptb->ci.style & TBS_ENABLESELRANGE) {
|
|
if (ptb->ci.style & TBS_FIXEDLENGTH) {
|
|
// half of 9/10
|
|
ptb->iThumbWidth = (ptb->iThumbHeight * 9) / 20;
|
|
ptb->iThumbWidth |= 0x01;
|
|
} else {
|
|
ptb->iThumbHeight += (ptb->iThumbWidth * 2) / 9;
|
|
}
|
|
}
|
|
}
|
|
|
|
void TBPositionBuddies(PTRACKBAR ptb)
|
|
{
|
|
POINT pt;
|
|
HWND hwndParent;
|
|
RECT rcBuddy;
|
|
RECT rcClient;
|
|
RECT rcChannel;
|
|
|
|
int yMid;
|
|
|
|
GetChannelRect(ptb, &rcChannel);
|
|
yMid = (rcChannel.top + rcChannel.bottom) / 2;
|
|
|
|
GetClientRect(ptb->ci.hwnd, &rcClient);
|
|
if (ISVERT(ptb))
|
|
FlipRect(&rcClient);
|
|
|
|
|
|
if (ptb->hwndBuddyLeft) {
|
|
GetClientRect(ptb->hwndBuddyLeft, &rcBuddy);
|
|
if (ISVERT(ptb))
|
|
FlipRect(&rcBuddy);
|
|
|
|
pt.y = yMid - ((RECTHEIGHT(rcBuddy))/2);
|
|
pt.x = rcClient.left - RECTWIDTH(rcBuddy) - g_cxEdge;
|
|
|
|
// x and y are now in trackbar's coordinates.
|
|
// convert them to the parent of the buddy's coordinates
|
|
hwndParent = GetParent(ptb->hwndBuddyLeft);
|
|
TBFlipPoint(ptb, &pt);
|
|
MapWindowPoints(ptb->ci.hwnd, hwndParent, &pt, 1);
|
|
SetWindowPos(ptb->hwndBuddyLeft, NULL, pt.x, pt.y, 0, 0, SWP_NOSIZE |SWP_NOZORDER | SWP_NOACTIVATE);
|
|
}
|
|
|
|
if (ptb->hwndBuddyRight) {
|
|
GetClientRect(ptb->hwndBuddyRight, &rcBuddy);
|
|
if (ISVERT(ptb))
|
|
FlipRect(&rcBuddy);
|
|
|
|
pt.y = yMid - ((RECTHEIGHT(rcBuddy))/2);
|
|
pt.x = rcClient.right + g_cxEdge;
|
|
|
|
// x and y are now in trackbar's coordinates.
|
|
// convert them to the parent of the buddy's coordinates
|
|
hwndParent = GetParent(ptb->hwndBuddyRight);
|
|
TBFlipPoint(ptb, &pt);
|
|
MapWindowPoints(ptb->ci.hwnd, hwndParent, &pt, 1);
|
|
SetWindowPos(ptb->hwndBuddyRight, NULL, pt.x, pt.y, 0, 0, SWP_NOSIZE |SWP_NOZORDER | SWP_NOACTIVATE);
|
|
}
|
|
|
|
}
|
|
|
|
void TBNukeBuffer(PTRACKBAR ptb)
|
|
{
|
|
if (ptb->hbmBuffer) {
|
|
DeleteObject(ptb->hbmBuffer);
|
|
ptb->hbmBuffer = NULL;
|
|
TBChanged(ptb, TBC_ALL); // Must do a full repaint
|
|
}
|
|
}
|
|
|
|
void TBResize(PTRACKBAR ptb)
|
|
{
|
|
GetClientRect(ptb->ci.hwnd, &ptb->rc);
|
|
|
|
if (ISVERT(ptb))
|
|
FlipRect(&ptb->rc);
|
|
|
|
|
|
if (!(ptb->ci.style & TBS_FIXEDLENGTH)) {
|
|
ptb->iThumbHeight = (g_cyHScroll * 4) / 3;
|
|
|
|
ValidateThumbHeight(ptb);
|
|
if ((ptb->iThumbHeight > MIN_THUMB_HEIGHT) && (ptb->rc.bottom < (int)ptb->iThumbHeight)) {
|
|
ptb->iThumbHeight = ptb->rc.bottom - 3*g_cyEdge; // top, bottom, and tic
|
|
if (ptb->ci.style & TBS_ENABLESELRANGE)
|
|
ptb->iThumbHeight = (ptb->iThumbHeight * 3 / 4);
|
|
ValidateThumbHeight(ptb);
|
|
}
|
|
} else {
|
|
ValidateThumbHeight(ptb);
|
|
}
|
|
|
|
|
|
if (ptb->ci.style & (TBS_BOTH | TBS_TOP) && !(ptb->ci.style & TBS_NOTICKS))
|
|
ptb->rc.top += TICKHEIGHT + BORDERSIZE + 3;
|
|
ptb->rc.top += BORDERSIZE;
|
|
ptb->rc.bottom = ptb->rc.top + ptb->iThumbHeight;
|
|
ptb->rc.left += (ptb->iThumbWidth + BORDERSIZE);
|
|
ptb->rc.right -= (ptb->iThumbWidth + BORDERSIZE);
|
|
|
|
ptb->rcThumb.top = ptb->rc.top;
|
|
ptb->rcThumb.bottom = ptb->rc.bottom;
|
|
|
|
// Figure out how much room we have to move the thumb in
|
|
ptb->iSizePhys = ptb->rc.right - ptb->rc.left;
|
|
|
|
// Elevator isn't there if there's no room.
|
|
if (ptb->iSizePhys == 0) {
|
|
// Lost our thumb.
|
|
ptb->Flags |= TBF_NOTHUMB;
|
|
ptb->iSizePhys = 1;
|
|
} else {
|
|
// Ah. We have a thumb.
|
|
ptb->Flags &= ~TBF_NOTHUMB;
|
|
}
|
|
|
|
TBNukeBuffer(ptb);
|
|
|
|
MoveThumb(ptb, ptb->lLogPos);
|
|
TBInvalidateAll(ptb);
|
|
|
|
TBPositionBuddies(ptb);
|
|
}
|
|
|
|
LRESULT TrackOnCreate(HWND hwnd, LPCREATESTRUCT lpCreate)
|
|
{
|
|
PTRACKBAR ptb;
|
|
DWORD exStyle = 0;
|
|
|
|
InitDitherBrush();
|
|
InitGlobalColors();
|
|
|
|
// Get us our window structure.
|
|
ptb = (PTRACKBAR)LocalAlloc(LPTR, sizeof(TRACKBAR));
|
|
if (!ptb)
|
|
return -1;
|
|
|
|
SetWindowPtr(hwnd, 0, ptb);
|
|
CIInitialize(&ptb->ci, hwnd, lpCreate);
|
|
|
|
ptb->Cmd = (UINT)-1;
|
|
ptb->lLogMax = 100;
|
|
ptb->ticFreq = 1;
|
|
// ptb->hbmBuffer = 0;
|
|
ptb->lPageSize = -1;
|
|
ptb->lLineSize = 1;
|
|
// initial size;
|
|
ptb->iThumbHeight = (g_cyHScroll * 4) / 3;
|
|
if (g_fDBCSInputEnabled)
|
|
ptb->hPrevImc = ImmAssociateContext(hwnd, 0L);
|
|
|
|
if (ISVERT(ptb))
|
|
{
|
|
if (ptb->ci.style & TBS_TOP)
|
|
{
|
|
ptb->uTipSide = TBTS_RIGHT;
|
|
}
|
|
else
|
|
{
|
|
ptb->uTipSide = TBTS_LEFT;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (ptb->ci.style & TBS_TOP)
|
|
{
|
|
ptb->uTipSide = TBTS_BOTTOM;
|
|
}
|
|
else
|
|
{
|
|
ptb->uTipSide = TBTS_TOP;
|
|
}
|
|
}
|
|
|
|
if (ptb->ci.style & TBS_TOOLTIPS)
|
|
{
|
|
ptb->hwndToolTips = CreateWindowEx(exStyle,
|
|
c_szSToolTipsClass, TEXT(""),
|
|
WS_POPUP,
|
|
CW_USEDEFAULT, CW_USEDEFAULT,
|
|
CW_USEDEFAULT, CW_USEDEFAULT,
|
|
ptb->ci.hwnd, NULL, HINST_THISDLL,
|
|
NULL);
|
|
if (ptb->hwndToolTips)
|
|
{
|
|
TOOLINFO ti;
|
|
// don't bother setting the rect because we'll do it below
|
|
// in FlushToolTipsMgr;
|
|
ti.cbSize = sizeof(ti);
|
|
ti.uFlags = TTF_TRACK | TTF_IDISHWND | TTF_CENTERTIP;
|
|
ti.hwnd = ptb->ci.hwnd;
|
|
ti.uId = (UINT_PTR)ptb->ci.hwnd;
|
|
ti.lpszText = LPSTR_TEXTCALLBACK;
|
|
ti.rect.left = ti.rect.top = ti.rect.bottom = ti.rect.right = 0; // update this on size
|
|
SendMessage(ptb->hwndToolTips, TTM_ADDTOOL, 0,
|
|
(LPARAM)(LPTOOLINFO)&ti);
|
|
}
|
|
else
|
|
ptb->ci.style &= ~(TBS_TOOLTIPS);
|
|
}
|
|
|
|
// Initialize themes. No themese for owner drawn tab controls
|
|
ptb->hTheme = OpenThemeData(ptb->ci.hwnd, L"TrackBar");
|
|
ptb->bThumbHot = FALSE;
|
|
|
|
TBResize(ptb);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void TrackOnNotify(PTRACKBAR ptb, LPNMHDR lpnm)
|
|
{
|
|
if (lpnm->hwndFrom == ptb->hwndToolTips)
|
|
{
|
|
switch (lpnm->code)
|
|
{
|
|
case TTN_NEEDTEXT:
|
|
#define lpttt ((LPTOOLTIPTEXT)lpnm)
|
|
StringCchPrintf(lpttt->szText, ARRAYSIZE(lpttt->szText), TEXT("%d"), ptb->lLogPos);
|
|
|
|
default:
|
|
SendNotifyEx(ptb->ci.hwndParent, (HWND)-1,
|
|
lpnm->code, lpnm, ptb->ci.bUnicode);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
HWND TBSetBuddy(PTRACKBAR ptb, BOOL fLeft, HWND hwndBuddy)
|
|
{
|
|
HWND hwndOldBuddy;
|
|
|
|
if (fLeft)
|
|
{
|
|
hwndOldBuddy = ptb->hwndBuddyLeft;
|
|
ptb->hwndBuddyLeft = hwndBuddy;
|
|
}
|
|
else
|
|
{
|
|
hwndOldBuddy = ptb->hwndBuddyRight;
|
|
ptb->hwndBuddyRight = hwndBuddy;
|
|
}
|
|
|
|
TBResize(ptb);
|
|
|
|
return hwndOldBuddy;
|
|
}
|
|
|
|
// Theme helper
|
|
void TBRedrawThumb(PTRACKBAR ptb)
|
|
{
|
|
// Update display
|
|
TBInvalidateRect(ptb->ci.hwnd, &ptb->rcThumb, FALSE, ptb);
|
|
TBChanged(ptb, TBC_THUMB);
|
|
UpdateWindow(ptb->ci.hwnd);
|
|
}
|
|
|
|
// TrackBarWndProc is theme aware
|
|
LPARAM CALLBACK TrackBarWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
PTRACKBAR ptb;
|
|
PAINTSTRUCT ps;
|
|
HLOCAL h;
|
|
|
|
ptb = GetWindowPtr(hwnd, 0);
|
|
if (!ptb) {
|
|
if (uMsg == WM_CREATE)
|
|
return TrackOnCreate(hwnd, (LPCREATESTRUCT)lParam);
|
|
|
|
goto DoDefault;
|
|
}
|
|
|
|
// Track hot state for themes
|
|
if ((uMsg >= WM_MOUSEFIRST) && (uMsg <= WM_MOUSELAST))
|
|
{
|
|
TRACKMOUSEEVENT tme;
|
|
|
|
tme.cbSize = sizeof(tme);
|
|
tme.hwndTrack = hwnd;
|
|
tme.dwFlags = TME_LEAVE;
|
|
|
|
TrackMouseEvent(&tme);
|
|
}
|
|
|
|
switch (uMsg) {
|
|
|
|
case WM_MOUSELEAVE:
|
|
if (ptb->hTheme)
|
|
{
|
|
// Make sure thumb hot is turned off
|
|
if (ptb->bThumbHot)
|
|
{
|
|
ptb->bThumbHot = FALSE;
|
|
TBRedrawThumb(ptb);
|
|
}
|
|
}
|
|
break;
|
|
|
|
// If color depth changes, the old buffer is no longer any good
|
|
case WM_DISPLAYCHANGE:
|
|
TBNukeBuffer(ptb);
|
|
break;
|
|
|
|
case WM_WININICHANGE:
|
|
|
|
InitGlobalMetrics(wParam);
|
|
// fall through to WM_SIZE
|
|
|
|
case WM_SIZE:
|
|
TBResize(ptb);
|
|
break;
|
|
|
|
case WM_SYSCOLORCHANGE:
|
|
InitGlobalColors();
|
|
TBInvalidateAll(ptb);
|
|
break;
|
|
|
|
case WM_NOTIFYFORMAT:
|
|
return CIHandleNotifyFormat(&ptb->ci,lParam);
|
|
|
|
case WM_NOTIFY:
|
|
TrackOnNotify(ptb, (LPNMHDR)lParam);
|
|
break;
|
|
|
|
case WM_DESTROY:
|
|
TerminateDitherBrush();
|
|
if (ptb)
|
|
{
|
|
if (g_fDBCSInputEnabled)
|
|
ImmAssociateContext(hwnd, ptb->hPrevImc);
|
|
|
|
if ((ptb->ci.style & TBS_TOOLTIPS) && IsWindow(ptb->hwndToolTips))
|
|
{
|
|
DestroyWindow (ptb->hwndToolTips);
|
|
}
|
|
|
|
TBNukeBuffer(ptb);
|
|
|
|
if (ptb->pTics)
|
|
LocalFree((HLOCAL)ptb->pTics);
|
|
|
|
// Close theme
|
|
if (ptb->hTheme)
|
|
CloseThemeData(ptb->hTheme);
|
|
|
|
LocalFree((HLOCAL)ptb);
|
|
SetWindowPtr(hwnd, 0, 0);
|
|
|
|
}
|
|
break;
|
|
|
|
case WM_KILLFOCUS:
|
|
// Reset wheel scroll amount
|
|
gcWheelDelta = 0;
|
|
// fall-through
|
|
|
|
case WM_SETFOCUS:
|
|
ASSERT(gcWheelDelta == 0);
|
|
if (ptb)
|
|
TBInvalidateAll(ptb);
|
|
break;
|
|
|
|
case WM_ENABLE:
|
|
if (wParam) {
|
|
ptb->ci.style &= ~WS_DISABLED;
|
|
} else {
|
|
ptb->ci.style |= WS_DISABLED;
|
|
}
|
|
// Redraw all if themes are enabled since more is configurable
|
|
TBChanged(ptb, (ptb->hTheme) ? TBC_ALL : TBC_THUMB);
|
|
InvalidateRect(hwnd, NULL, FALSE);
|
|
break;
|
|
|
|
case WM_PRINTCLIENT:
|
|
case WM_PAINT: {
|
|
RECT rc;
|
|
HBITMAP hbmOld;
|
|
HDC hdc;
|
|
|
|
hdc = wParam ? (HDC)wParam : BeginPaint(hwnd, &ps);
|
|
|
|
//DebugMsg(DM_TRACE, "NumTics = %d", SendMessage(ptb->ci.hwnd, TBM_GETNUMTICS, 0, 0));
|
|
|
|
//ptb->hdc = GetDC(NULL);
|
|
ptb->hdc = CreateCompatibleDC(hdc);
|
|
if (!ptb->hbmBuffer) {
|
|
GetClientRect(hwnd, &rc);
|
|
ptb->hbmBuffer = CreateColorBitmap(rc.right, rc.bottom);
|
|
}
|
|
|
|
hbmOld = SelectObject(ptb->hdc, ptb->hbmBuffer);
|
|
FlushChanges(ptb);
|
|
|
|
//only copy the area that's changable.. ie the clip box
|
|
switch(GetClipBox(hdc, &rc)) {
|
|
case NULLREGION:
|
|
case ERROR:
|
|
GetClientRect(ptb->ci.hwnd, &rc);
|
|
}
|
|
BitBlt(hdc, rc.left, rc.top,
|
|
rc.right - rc.left, rc.bottom - rc.top,
|
|
ptb->hdc, rc.left, rc.top, SRCCOPY);
|
|
|
|
#ifdef TB_DEBUG
|
|
{
|
|
HDC hdcScreen;
|
|
RECT rcClient;
|
|
hdcScreen = GetDC(NULL);
|
|
GetClientRect(ptb->ci.hwnd, &rcClient);
|
|
BitBlt(hdcScreen, 0, 0, rcClient.right, rcClient.bottom, ptb->hdc, 0,0, SRCCOPY);
|
|
ReleaseDC(NULL, hdcScreen);
|
|
}
|
|
#endif
|
|
|
|
SelectObject(ptb->hdc, hbmOld);
|
|
DeleteDC(ptb->hdc);
|
|
//ReleaseDC(NULL, ptb->hdc);
|
|
if (wParam == 0)
|
|
EndPaint(hwnd, &ps);
|
|
|
|
ptb->hdc = NULL;
|
|
break;
|
|
}
|
|
|
|
case WM_GETDLGCODE:
|
|
return DLGC_WANTARROWS;
|
|
|
|
case WM_LBUTTONDOWN:
|
|
/* Give ourselves focus */
|
|
if (!(ptb->ci.style & WS_DISABLED)) {
|
|
SetFocus(hwnd); // REVIEW: we may not want to do this
|
|
TBTrackInit(ptb, lParam);
|
|
}
|
|
break;
|
|
|
|
case WM_LBUTTONUP:
|
|
// We're through doing whatever we were doing with the
|
|
// button down.
|
|
if (!(ptb->ci.style & WS_DISABLED)) {
|
|
TBTrackEnd(ptb);
|
|
if (GetCapture() == hwnd)
|
|
CCReleaseCapture(&ptb->ci);
|
|
}
|
|
break;
|
|
|
|
case WM_TIMER:
|
|
// The only way we get a timer message is if we're
|
|
// autotracking.
|
|
lParam = GetMessagePosClient(ptb->ci.hwnd, NULL);
|
|
// fall through to WM_MOUSEMOVE
|
|
|
|
case WM_MOUSEMOVE:
|
|
|
|
// We only care that the mouse is moving if we're
|
|
// tracking the bloody thing.
|
|
if (!(ptb->ci.style & WS_DISABLED))
|
|
{
|
|
if ((ptb->Cmd != (UINT)-1))
|
|
TBTrack(ptb, lParam);
|
|
else
|
|
{
|
|
// No user actions, track hot state if theme
|
|
if (ptb->hTheme)
|
|
{
|
|
// Check if mouse is currently over thumb
|
|
if (WTrackType(ptb, (LONG)lParam) == TB_THUMBTRACK)
|
|
{
|
|
if (!ptb->bThumbHot)
|
|
{
|
|
// Hot bit not set, set now and invalidate
|
|
ptb->bThumbHot = TRUE;
|
|
|
|
// Update display
|
|
TBRedrawThumb(ptb);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Mouse not over thumb
|
|
if (ptb->bThumbHot)
|
|
{
|
|
ptb->bThumbHot = FALSE;
|
|
|
|
// Update display
|
|
TBRedrawThumb(ptb);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case WM_CAPTURECHANGED:
|
|
// someone is stealing the capture from us
|
|
TBTrackEnd(ptb);
|
|
break;
|
|
|
|
case WM_KEYUP:
|
|
if (!(ptb->ci.style & WS_DISABLED)) {
|
|
// If key was any of the keyboard accelerators, send end
|
|
// track message when user up clicks on keyboard
|
|
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:
|
|
DoTrack(ptb, TB_ENDTRACK, 0);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case WM_KEYDOWN:
|
|
if (!(ptb->ci.style & WS_DISABLED)) {
|
|
|
|
// Swap the left and right arrow key if the control is mirrored.
|
|
wParam = RTLSwapLeftRightArrows(&ptb->ci, wParam);
|
|
|
|
// If TBS_DOWNISLEFT, then swap left/right or up/down
|
|
// depending on whether we are vertical or horizontal.
|
|
// Some horizontal trackbars (e.g.) prefer that
|
|
// UpArrow=TB_PAGEDOWN.
|
|
if (ptb->ci.style & TBS_DOWNISLEFT) {
|
|
if (ISVERT(ptb)) {
|
|
wParam = CCSwapKeys(wParam, VK_LEFT, VK_RIGHT);
|
|
} else {
|
|
wParam = CCSwapKeys(wParam, VK_UP, VK_DOWN);
|
|
wParam = CCSwapKeys(wParam, VK_PRIOR, VK_NEXT);
|
|
}
|
|
}
|
|
|
|
switch (wParam) {
|
|
case VK_HOME:
|
|
wParam = TB_TOP;
|
|
goto KeyTrack;
|
|
|
|
case VK_END:
|
|
wParam = TB_BOTTOM;
|
|
goto KeyTrack;
|
|
|
|
case VK_PRIOR:
|
|
wParam = TB_PAGEUP;
|
|
goto KeyTrack;
|
|
|
|
case VK_NEXT:
|
|
wParam = TB_PAGEDOWN;
|
|
goto KeyTrack;
|
|
|
|
case VK_LEFT:
|
|
case VK_UP:
|
|
wParam = TB_LINEUP;
|
|
goto KeyTrack;
|
|
|
|
case VK_RIGHT:
|
|
case VK_DOWN:
|
|
wParam = TB_LINEDOWN;
|
|
KeyTrack:
|
|
DoTrack(ptb, (int) wParam, 0);
|
|
|
|
//notify of navigation key usage
|
|
CCNotifyNavigationKeyUsage(&(ptb->ci), UISF_HIDEFOCUS);
|
|
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case WM_MBUTTONDOWN:
|
|
SetFocus(hwnd);
|
|
break;
|
|
|
|
case WM_STYLECHANGED:
|
|
if (wParam == GWL_STYLE) {
|
|
ptb->ci.style = ((LPSTYLESTRUCT)lParam)->styleNew;
|
|
TBResize(ptb);
|
|
}
|
|
break;
|
|
|
|
case WM_UPDATEUISTATE:
|
|
{
|
|
DWORD dwUIStateMask = MAKEWPARAM(0xFFFF, UISF_HIDEFOCUS);
|
|
|
|
if (CCOnUIState(&(ptb->ci), WM_UPDATEUISTATE, wParam & dwUIStateMask, lParam))
|
|
InvalidateRect(hwnd, NULL, TRUE);
|
|
|
|
goto DoDefault;
|
|
}
|
|
case TBM_GETPOS:
|
|
return ptb->lLogPos;
|
|
|
|
case TBM_GETSELSTART:
|
|
return ptb->lSelStart;
|
|
|
|
case TBM_GETSELEND:
|
|
return ptb->lSelEnd;
|
|
|
|
case TBM_GETRANGEMIN:
|
|
return ptb->lLogMin;
|
|
|
|
case TBM_GETRANGEMAX:
|
|
return ptb->lLogMax;
|
|
|
|
case TBM_GETPTICS:
|
|
return (LRESULT)ptb->pTics;
|
|
|
|
case TBM_CLEARSEL:
|
|
ptb->Flags &= ~TBF_SELECTION;
|
|
ptb->lSelStart = -1;
|
|
ptb->lSelEnd = -1;
|
|
goto RedrawTB;
|
|
|
|
case TBM_CLEARTICS:
|
|
if (ptb->pTics)
|
|
LocalFree((HLOCAL)ptb->pTics);
|
|
|
|
ptb->pTics = NULL;
|
|
ptb->nTics = 0;
|
|
goto RedrawTB;
|
|
|
|
case TBM_GETTIC:
|
|
|
|
if (ptb->pTics == NULL || (int)wParam >= ptb->nTics)
|
|
return -1L;
|
|
|
|
return ptb->pTics[wParam];
|
|
|
|
case TBM_GETTICPOS:
|
|
|
|
if (ptb->pTics == NULL || (int)wParam >= ptb->nTics)
|
|
return -1L;
|
|
|
|
return TBLogToPhys(ptb,ptb->pTics[wParam]);
|
|
|
|
case TBM_GETNUMTICS:
|
|
if (ptb->ci.style & TBS_NOTICKS)
|
|
return 0;
|
|
|
|
if (ptb->ticFreq) {
|
|
// first and last +
|
|
return 2 + (ptb->nTics / ptb->ticFreq);
|
|
}
|
|
|
|
// if there's no ticFreq, then we fall down here.
|
|
// 2 for the first and last tics that we always draw
|
|
// when NOTICS isn't set.
|
|
return 2;
|
|
|
|
|
|
case TBM_SETTIC:
|
|
/* not a valid position */
|
|
if (((LONG)lParam) < ptb->lLogMin || ((LONG)lParam) > ptb->lLogMax)
|
|
break;
|
|
|
|
h = CCLocalReAlloc(ptb->pTics,
|
|
sizeof(DWORD) * (ptb->nTics + 1));
|
|
if (!h)
|
|
return (LONG)FALSE;
|
|
|
|
ptb->pTics = (PDWORD)h;
|
|
ptb->pTics[ptb->nTics++] = (DWORD)lParam;
|
|
|
|
TBInvalidateAll(ptb);
|
|
return (LONG)TRUE;
|
|
|
|
case TBM_SETTICFREQ:
|
|
ptb->ticFreq = (int) wParam;
|
|
DoAutoTics(ptb);
|
|
goto RedrawTB;
|
|
|
|
case TBM_SETPOS:
|
|
/* Only redraw if it will physically move */
|
|
if (wParam && TBLogToPhys(ptb, (DWORD) lParam) !=
|
|
TBLogToPhys(ptb, ptb->lLogPos))
|
|
MoveThumb(ptb, (DWORD) lParam);
|
|
else
|
|
ptb->lLogPos = BOUND((LONG)lParam,ptb->lLogMin,ptb->lLogMax);
|
|
break;
|
|
|
|
case TBM_SETSEL:
|
|
|
|
if (!(ptb->ci.style & TBS_ENABLESELRANGE)) break;
|
|
ptb->Flags |= TBF_SELECTION;
|
|
|
|
if (((LONG)(SHORT)LOWORD(lParam)) < ptb->lLogMin)
|
|
ptb->lSelStart = ptb->lLogMin;
|
|
else
|
|
ptb->lSelStart = (LONG)(SHORT)LOWORD(lParam);
|
|
|
|
if (((LONG)(SHORT)HIWORD(lParam)) > ptb->lLogMax)
|
|
ptb->lSelEnd = ptb->lLogMax;
|
|
else
|
|
ptb->lSelEnd = (LONG)(SHORT)HIWORD(lParam);
|
|
|
|
if (ptb->lSelEnd < ptb->lSelStart)
|
|
ptb->lSelEnd = ptb->lSelStart;
|
|
goto RedrawTB;
|
|
|
|
case TBM_SETSELSTART:
|
|
|
|
if (!(ptb->ci.style & TBS_ENABLESELRANGE)) break;
|
|
ptb->Flags |= TBF_SELECTION;
|
|
if (lParam < ptb->lLogMin)
|
|
ptb->lSelStart = ptb->lLogMin;
|
|
else
|
|
ptb->lSelStart = (LONG) lParam;
|
|
if (ptb->lSelEnd < ptb->lSelStart || ptb->lSelEnd == -1)
|
|
ptb->lSelEnd = ptb->lSelStart;
|
|
goto RedrawTB;
|
|
|
|
case TBM_SETSELEND:
|
|
|
|
if (!(ptb->ci.style & TBS_ENABLESELRANGE)) break;
|
|
ptb->Flags |= TBF_SELECTION;
|
|
if (lParam > ptb->lLogMax)
|
|
ptb->lSelEnd = ptb->lLogMax;
|
|
else
|
|
ptb->lSelEnd = (LONG) lParam;
|
|
if (ptb->lSelStart > ptb->lSelEnd || ptb->lSelStart == -1)
|
|
ptb->lSelStart = ptb->lSelEnd;
|
|
goto RedrawTB;
|
|
|
|
case TBM_SETRANGE:
|
|
|
|
ptb->lLogMin = (LONG)(SHORT)LOWORD(lParam);
|
|
ptb->lLogMax = (LONG)(SHORT)HIWORD(lParam);
|
|
if (ptb->lSelStart < ptb->lLogMin)
|
|
ptb->lSelStart = ptb->lLogMin;
|
|
if (ptb->lSelEnd > ptb->lLogMax)
|
|
ptb->lSelEnd = ptb->lLogMax;
|
|
DoAutoTics(ptb);
|
|
goto RedrawTB;
|
|
|
|
case TBM_SETRANGEMIN:
|
|
ptb->lLogMin = (LONG)lParam;
|
|
if (ptb->lSelStart < ptb->lLogMin)
|
|
ptb->lSelStart = ptb->lLogMin;
|
|
DoAutoTics(ptb);
|
|
goto RedrawTB;
|
|
|
|
case TBM_SETRANGEMAX:
|
|
ptb->lLogMax = (LONG)lParam;
|
|
if (ptb->lSelEnd > ptb->lLogMax)
|
|
ptb->lSelEnd = ptb->lLogMax;
|
|
DoAutoTics(ptb);
|
|
|
|
RedrawTB:
|
|
ptb->lLogPos = BOUND(ptb->lLogPos, ptb->lLogMin,ptb->lLogMax);
|
|
TBChanged(ptb, TBC_ALL);
|
|
/* Only redraw if flag says so */
|
|
if (wParam) {
|
|
InvalidateRect(hwnd, NULL, FALSE);
|
|
MoveThumb(ptb, ptb->lLogPos);
|
|
}
|
|
break;
|
|
|
|
case TBM_SETTHUMBLENGTH:
|
|
if (ptb->ci.style & TBS_FIXEDLENGTH) {
|
|
ptb->iThumbHeight = (UINT)wParam;
|
|
TBResize(ptb);
|
|
}
|
|
break;
|
|
|
|
case TBM_GETTHUMBLENGTH:
|
|
return ptb->iThumbHeight;
|
|
|
|
case TBM_SETPAGESIZE: {
|
|
LONG lOldPage = ptb->lPageSize == -1 ? (ptb->lLogMax - ptb->lLogMin)/5 : ptb->lPageSize;
|
|
ptb->lPageSize = (LONG)lParam;
|
|
return lOldPage;
|
|
}
|
|
|
|
case TBM_GETPAGESIZE:
|
|
return ptb->lPageSize == -1 ? (ptb->lLogMax - ptb->lLogMin)/5 : ptb->lPageSize;
|
|
|
|
case TBM_SETLINESIZE: {
|
|
LONG lOldLine = ptb->lLineSize;
|
|
ptb->lLineSize = (LONG)lParam;
|
|
return lOldLine;
|
|
}
|
|
|
|
case TBM_GETLINESIZE:
|
|
return ptb->lLineSize;
|
|
|
|
case TBM_GETTHUMBRECT:
|
|
if (lParam) {
|
|
*((LPRECT)lParam) = ptb->rcThumb;
|
|
if (ISVERT(ptb)) FlipRect((LPRECT)lParam);
|
|
}
|
|
break;
|
|
|
|
case TBM_GETTOOLTIPS:
|
|
return (LRESULT)ptb->hwndToolTips;
|
|
|
|
case TBM_SETTOOLTIPS:
|
|
ptb->hwndToolTips = (HWND)wParam;
|
|
break;
|
|
|
|
case TBM_SETTIPSIDE:
|
|
{
|
|
UINT uOldSide = ptb->uTipSide;
|
|
|
|
ptb->uTipSide = (UINT) wParam;
|
|
return uOldSide;
|
|
}
|
|
|
|
case TBM_GETCHANNELRECT:
|
|
GetChannelRect(ptb, (LPRECT)lParam);
|
|
break;
|
|
|
|
case TBM_SETBUDDY:
|
|
return (LRESULT)TBSetBuddy(ptb, (BOOL)wParam, (HWND)lParam);
|
|
|
|
case TBM_GETBUDDY:
|
|
return (LRESULT)(wParam ? ptb->hwndBuddyLeft : ptb->hwndBuddyRight);
|
|
|
|
case WM_GETOBJECT:
|
|
if( lParam == OBJID_QUERYCLASSNAMEIDX )
|
|
return MSAA_CLASSNAMEIDX_TRACKBAR;
|
|
goto DoDefault;
|
|
|
|
case WM_THEMECHANGED:
|
|
if (ptb->hTheme)
|
|
CloseThemeData(ptb->hTheme);
|
|
|
|
ptb->hTheme = OpenThemeData(ptb->ci.hwnd, L"TrackBar");
|
|
|
|
TBInvalidateAll(ptb);
|
|
break;
|
|
|
|
default:
|
|
if (uMsg == g_msgMSWheel)
|
|
{
|
|
int cDetants;
|
|
long lPos;
|
|
ULONG ulPos;
|
|
int iWheelDelta = (int)(short)HIWORD(wParam);
|
|
|
|
// Update count of scroll amount
|
|
gcWheelDelta -= iWheelDelta;
|
|
cDetants = gcWheelDelta / WHEEL_DELTA;
|
|
if (cDetants != 0)
|
|
{
|
|
gcWheelDelta %= WHEEL_DELTA;
|
|
}
|
|
|
|
if (wParam & (MK_SHIFT | MK_CONTROL))
|
|
goto DoDefault;
|
|
|
|
if (SHRT_MIN <= ptb->lLogPos && ptb->lLogPos <= SHRT_MAX)
|
|
{
|
|
// Update position based on the logical unit length of the trackbar
|
|
// The larger the spread, the more logical units traversed
|
|
int cMult = (ptb->lLogMax - ptb->lLogMin) / 50;
|
|
if (cMult == 0)
|
|
cMult = 1;
|
|
|
|
lPos = ptb->lLogPos + (cDetants * cMult);
|
|
lPos = BOUND(lPos, ptb->lLogMin, ptb->lLogMax);
|
|
ulPos = BOUND(lPos, SHRT_MIN, SHRT_MAX);
|
|
if ((long) ulPos != ptb->lLogPos)
|
|
{
|
|
MoveThumb(ptb, (long) ulPos);
|
|
DoTrack(ptb, TB_THUMBPOSITION, ulPos);
|
|
}
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
else
|
|
{
|
|
LRESULT lres;
|
|
if (CCWndProc(&ptb->ci, uMsg, wParam, lParam, &lres))
|
|
return lres;
|
|
}
|
|
|
|
DoDefault:
|
|
return DefWindowProc(hwnd, uMsg, wParam, lParam);
|
|
}
|
|
|
|
return 0L;
|
|
}
|
|
|
|
/* DoTrack() */
|
|
|
|
void DoTrack(PTRACKBAR ptb, int cmd, DWORD dwPos)
|
|
{
|
|
LONG dpos;
|
|
switch(cmd) {
|
|
case TB_LINEDOWN:
|
|
dpos = ptb->lLineSize;
|
|
goto DMoveThumb;
|
|
|
|
case TB_LINEUP:
|
|
dpos = -ptb->lLineSize;
|
|
goto DMoveThumb;
|
|
|
|
case TB_PAGEUP:
|
|
case TB_PAGEDOWN:
|
|
if (ptb->lPageSize == -1) {
|
|
dpos = (ptb->lLogMax - ptb->lLogMin) / 5;
|
|
if (!dpos)
|
|
dpos = 1;
|
|
} else {
|
|
dpos = ptb->lPageSize;
|
|
}
|
|
|
|
if (cmd == TB_PAGEUP)
|
|
dpos *= -1;
|
|
|
|
DMoveThumb: // move delta
|
|
MoveThumb(ptb, ptb->lLogPos + dpos);
|
|
break;
|
|
|
|
case TB_BOTTOM:
|
|
dpos = ptb->lLogMax; // the BOUND will take care of this;
|
|
goto ABSMoveThumb;
|
|
|
|
case TB_TOP:
|
|
dpos = ptb->lLogMin; // the BOUND will take care of this;
|
|
|
|
ABSMoveThumb: // move absolute
|
|
MoveThumb(ptb, dpos);
|
|
break;
|
|
|
|
default: // do nothing
|
|
break;
|
|
|
|
}
|
|
|
|
// note: we only send back a WORD worth of the position.
|
|
if (ISVERT(ptb)) {
|
|
FORWARD_WM_VSCROLL(ptb->ci.hwndParent, ptb->ci.hwnd, cmd, LOWORD(dwPos), SendMessage);
|
|
} else
|
|
FORWARD_WM_HSCROLL(ptb->ci.hwndParent, ptb->ci.hwnd, cmd, LOWORD(dwPos), SendMessage);
|
|
}
|
|
|
|
/* WTrackType() */
|
|
|
|
WORD WTrackType(PTRACKBAR ptb, LONG lParam)
|
|
{
|
|
POINT pt;
|
|
|
|
pt.x = GET_X_LPARAM(lParam);
|
|
pt.y = GET_Y_LPARAM(lParam);
|
|
|
|
if (ptb->Flags & TBF_NOTHUMB ||
|
|
ptb->ci.style & TBS_NOTHUMB) // If no thumb, just leave.
|
|
return 0;
|
|
|
|
if (ISVERT(ptb)) {
|
|
// put point in virtual coordinates
|
|
int temp;
|
|
temp = pt.x;
|
|
pt.x = pt.y;
|
|
pt.y = temp;
|
|
}
|
|
|
|
if (PtInRect(&ptb->rcThumb, pt))
|
|
return TB_THUMBTRACK;
|
|
|
|
if (!PtInRect(&ptb->rc, pt))
|
|
return 0;
|
|
|
|
if (pt.x >= ptb->rcThumb.left)
|
|
return TB_PAGEDOWN;
|
|
else
|
|
return TB_PAGEUP;
|
|
}
|
|
|
|
/* TBTrackInit() */
|
|
|
|
void TBTrackInit(PTRACKBAR ptb, LPARAM lParam)
|
|
{
|
|
WORD wCmd;
|
|
|
|
if (ptb->Flags & TBF_NOTHUMB ||
|
|
ptb->ci.style & TBS_NOTHUMB) // No thumb: just leave.
|
|
return;
|
|
|
|
wCmd = WTrackType(ptb, (LONG) lParam);
|
|
if (!wCmd)
|
|
return;
|
|
|
|
SetCapture(ptb->ci.hwnd);
|
|
|
|
ptb->Cmd = wCmd;
|
|
ptb->dwDragPos = (DWORD)-1;
|
|
|
|
// Set up for auto-track (if needed).
|
|
if (wCmd != TB_THUMBTRACK) {
|
|
// Set our timer up
|
|
SetTimer(ptb->ci.hwnd, TIMER_ID, REPEATTIME, NULL);
|
|
} else {
|
|
int xPos;
|
|
// thumb tracking...
|
|
|
|
// store the offset between the cursor's position and the center of the thumb
|
|
xPos = TBLogToPhys(ptb, ptb->lLogPos);
|
|
ptb->dwDragOffset = (ISVERT(ptb) ? HIWORD(lParam) : LOWORD(lParam)) - xPos;
|
|
|
|
if (ptb->hwndToolTips) {
|
|
TOOLINFO ti;
|
|
// don't bother setting the rect because we'll do it below
|
|
// in FlushToolTipsMgr;
|
|
ti.cbSize = sizeof(ti);
|
|
ti.uFlags = TTF_TRACK | TTF_CENTERTIP;
|
|
ti.hwnd = ptb->ci.hwnd;
|
|
ti.uId = (UINT_PTR)ptb->ci.hwnd;
|
|
SendMessage(ptb->hwndToolTips, TTM_TRACKACTIVATE, (WPARAM)TRUE, (LPARAM)&ti);
|
|
}
|
|
}
|
|
|
|
TBTrack(ptb, lParam);
|
|
}
|
|
|
|
/* EndTrack() */
|
|
|
|
void TBTrackEnd(PTRACKBAR ptb)
|
|
{
|
|
// Decide how we're ending this thing.
|
|
if (ptb->Cmd == TB_THUMBTRACK) {
|
|
|
|
if (ptb->hwndToolTips)
|
|
SendMessage(ptb->hwndToolTips, TTM_TRACKACTIVATE, (WPARAM)FALSE, 0);
|
|
|
|
DoTrack(ptb, TB_THUMBPOSITION, ptb->dwDragPos);
|
|
|
|
}
|
|
|
|
KillTimer(ptb->ci.hwnd, TIMER_ID);
|
|
|
|
// Always send TB_ENDTRACK message if there's some sort of command tracking.
|
|
if (ptb->Cmd != (UINT)-1) {
|
|
DoTrack(ptb, TB_ENDTRACK, 0);
|
|
|
|
// Nothing going on.
|
|
ptb->Cmd = (UINT)-1;
|
|
}
|
|
|
|
MoveThumb(ptb, ptb->lLogPos);
|
|
}
|
|
|
|
#define TBTS_RIGHTLEFT 1 // low bit means it's on the right or left
|
|
|
|
void TBTrack(PTRACKBAR ptb, LPARAM lParam)
|
|
{
|
|
DWORD dwPos;
|
|
WORD pos;
|
|
|
|
|
|
// See if we're tracking the thumb
|
|
if (ptb->Cmd == TB_THUMBTRACK) {
|
|
|
|
|
|
pos = (ISVERT(ptb)) ? HIWORD(lParam) : LOWORD(lParam);
|
|
pos -= (WORD) ptb->dwDragOffset;
|
|
dwPos = TBPhysToLog(ptb, (int)(SHORT)pos);
|
|
|
|
// Tentative position changed -- notify the guy.
|
|
if (dwPos != ptb->dwDragPos) {
|
|
ptb->dwDragPos = dwPos;
|
|
MoveThumb(ptb, dwPos);
|
|
DoTrack(ptb, TB_THUMBTRACK, dwPos);
|
|
}
|
|
|
|
if (ptb->hwndToolTips) {
|
|
RECT rc;
|
|
POINT pt;
|
|
int iPixel;
|
|
UINT uTipSide = ptb->uTipSide;
|
|
|
|
// find the center of the window
|
|
GetClientRect(ptb->ci.hwnd, &rc);
|
|
pt.x = rc.right / 2;
|
|
pt.y = rc.bottom / 2;
|
|
|
|
//find the position of the thumb
|
|
iPixel = TBLogToPhys(ptb, dwPos);
|
|
if (ISVERT(ptb)) {
|
|
pt.y = iPixel;
|
|
uTipSide |= TBTS_RIGHTLEFT;
|
|
} else {
|
|
pt.x = iPixel;
|
|
uTipSide &= ~TBTS_RIGHTLEFT;
|
|
}
|
|
|
|
// move it out to the requested side
|
|
switch (uTipSide) {
|
|
|
|
case TBTS_TOP:
|
|
pt.y = -1;
|
|
break;
|
|
|
|
case TBTS_LEFT:
|
|
pt.x = -1;
|
|
break;
|
|
|
|
case TBTS_BOTTOM:
|
|
pt.y = rc.bottom + 1;
|
|
break;
|
|
|
|
case TBTS_RIGHT:
|
|
pt.x = rc.right + 1;
|
|
break;
|
|
}
|
|
|
|
// map it to screen coordinates
|
|
MapWindowPoints(ptb->ci.hwnd, HWND_DESKTOP, &pt, 1);
|
|
|
|
SendMessage(ptb->hwndToolTips, TTM_TRACKPOSITION, 0, MAKELONG(pt.x, pt.y));
|
|
}
|
|
|
|
}
|
|
else {
|
|
if (ptb->Cmd != WTrackType(ptb, (LONG) lParam))
|
|
return;
|
|
|
|
DoTrack(ptb, ptb->Cmd, 0);
|
|
}
|
|
}
|
|
|
|
|
|
// FlushChanges is theme aware (RENDERS)
|
|
void FlushChanges(PTRACKBAR ptb)
|
|
{
|
|
HBRUSH hbr;
|
|
NMCUSTOMDRAW nmcd;
|
|
|
|
hbr = FORWARD_WM_CTLCOLORSTATIC(ptb->ci.hwndParent, ptb->hdc, ptb->ci.hwnd, SendMessage);
|
|
|
|
if (hbr)
|
|
{
|
|
RECT rc;
|
|
BOOL fClear = FALSE;
|
|
|
|
if ( ptb->wDirtyFlags == TBC_ALL )
|
|
{
|
|
GetClientRect(ptb->ci.hwnd, &rc);
|
|
fClear = TRUE;
|
|
}
|
|
else if (ptb->wDirtyFlags & TBC_THUMB)
|
|
{
|
|
rc = ptb->rc;
|
|
rc.left = 0;
|
|
rc.right += ptb->iThumbWidth;
|
|
if (ISVERT(ptb))
|
|
FlipRect(&rc);
|
|
fClear = TRUE;
|
|
}
|
|
|
|
// Background fill
|
|
if (fClear)
|
|
{
|
|
FillRect(ptb->hdc, &rc, hbr);
|
|
}
|
|
}
|
|
|
|
nmcd.hdc = ptb->hdc;
|
|
if (ptb->ci.hwnd == GetFocus())
|
|
nmcd.uItemState = CDIS_FOCUS;
|
|
else
|
|
nmcd.uItemState = 0;
|
|
|
|
nmcd.lItemlParam = 0;
|
|
ptb->ci.dwCustom = CICustomDrawNotify(&ptb->ci, CDDS_PREPAINT, &nmcd);
|
|
|
|
// for skip default, no other flags make sense.. only allow that one
|
|
if (!(ptb->ci.dwCustom == CDRF_SKIPDEFAULT))
|
|
{
|
|
DWORD dwRet = 0;
|
|
// do the actual drawing
|
|
|
|
if (nmcd.uItemState & CDIS_FOCUS)
|
|
{
|
|
DrawFocus(ptb, hbr);
|
|
}
|
|
|
|
nmcd.uItemState = 0;
|
|
if (ptb->wDirtyFlags & TBC_TICS)
|
|
{
|
|
|
|
nmcd.dwItemSpec = TBCD_TICS;
|
|
dwRet = CICustomDrawNotify(&ptb->ci, CDDS_ITEMPREPAINT, &nmcd);
|
|
|
|
if (!(dwRet == CDRF_SKIPDEFAULT))
|
|
{
|
|
DrawTics(ptb);
|
|
|
|
if (dwRet & CDRF_NOTIFYPOSTPAINT)
|
|
{
|
|
nmcd.dwItemSpec = TBCD_TICS;
|
|
CICustomDrawNotify(&ptb->ci, CDDS_ITEMPOSTPAINT, &nmcd);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (ptb->wDirtyFlags & TBC_THUMB)
|
|
{
|
|
|
|
|
|
// the channel
|
|
GetChannelRect(ptb, &nmcd.rc);
|
|
if (ISVERT(ptb))
|
|
FlipRect(&nmcd.rc);
|
|
nmcd.dwItemSpec = TBCD_CHANNEL;
|
|
dwRet = CICustomDrawNotify(&ptb->ci, CDDS_ITEMPREPAINT, &nmcd);
|
|
|
|
if (!(dwRet == CDRF_SKIPDEFAULT))
|
|
{
|
|
|
|
// flip it back from the last notify
|
|
if (ISVERT(ptb))
|
|
FlipRect(&nmcd.rc);
|
|
|
|
// the actual drawing
|
|
DrawChannel(ptb, &nmcd.rc);
|
|
|
|
if (dwRet & CDRF_NOTIFYPOSTPAINT)
|
|
{
|
|
|
|
if (ISVERT(ptb))
|
|
FlipRect(&nmcd.rc);
|
|
nmcd.dwItemSpec = TBCD_CHANNEL;
|
|
CICustomDrawNotify(&ptb->ci, CDDS_ITEMPOSTPAINT, &nmcd);
|
|
}
|
|
}
|
|
|
|
|
|
// the thumb
|
|
nmcd.rc = ptb->rcThumb;
|
|
if (ptb->Cmd == TB_THUMBTRACK)
|
|
{
|
|
nmcd.uItemState = CDIS_SELECTED;
|
|
}
|
|
|
|
if (ISVERT(ptb))
|
|
FlipRect(&nmcd.rc);
|
|
nmcd.dwItemSpec = TBCD_THUMB;
|
|
dwRet = CICustomDrawNotify(&ptb->ci, CDDS_ITEMPREPAINT, &nmcd);
|
|
|
|
if (!(dwRet == CDRF_SKIPDEFAULT))
|
|
{
|
|
|
|
if (ISVERT(ptb))
|
|
FlipRect(&nmcd.rc);
|
|
|
|
// the actual drawing
|
|
DrawThumb(ptb, &nmcd.rc, nmcd.uItemState & CDIS_SELECTED);
|
|
|
|
if (dwRet & CDRF_NOTIFYPOSTPAINT)
|
|
{
|
|
if (ISVERT(ptb))
|
|
FlipRect(&nmcd.rc);
|
|
nmcd.dwItemSpec = TBCD_THUMB;
|
|
CICustomDrawNotify(&ptb->ci, CDDS_ITEMPOSTPAINT, &nmcd);
|
|
}
|
|
}
|
|
|
|
}
|
|
ptb->wDirtyFlags = 0;
|
|
|
|
// notify parent afterwards if they want us to
|
|
if (ptb->ci.dwCustom & CDRF_NOTIFYPOSTPAINT)
|
|
{
|
|
CICustomDrawNotify(&ptb->ci, CDDS_POSTPAINT, &nmcd);
|
|
}
|
|
}
|
|
|
|
#ifdef TB_DEBUG
|
|
DebugMsg(DM_TRACE, TEXT("DrawDone"));
|
|
{
|
|
HDC hdcScreen;
|
|
RECT rcClient;
|
|
hdcScreen = GetDC(NULL);
|
|
GetClientRect(ptb->ci.hwnd, &rcClient);
|
|
BitBlt(hdcScreen, 200, 0, 200 + rcClient.right, rcClient.bottom, ptb->hdc, 0,0, SRCCOPY);
|
|
ReleaseDC(NULL, hdcScreen);
|
|
}
|
|
#endif
|
|
|
|
}
|