- Implement custom draw support.
- Fix thumb drawing. - Some cleanups, reorganizations, etc.
This commit is contained in:
Dimitrie O. Paun
Alexandre Julliard
parent
1da4ea287d
commit
e54fdf2142
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@ -19,8 +19,6 @@
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* TODO:
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* - custom draw notifications
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*/
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#include <stdio.h>
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@ -88,6 +86,14 @@ DEFINE_COMMON_NOTIFICATIONS(TRACKBAR_INFO, hwndSelf);
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static BOOL TRACKBAR_SendNotify (TRACKBAR_INFO *infoPtr, UINT code);
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static inline int
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notify_customdraw(NMCUSTOMDRAW *pnmcd, int stage)
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{
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pnmcd->dwDrawStage = stage;
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return SendMessageW (GetParent(pnmcd->hdr.hwndFrom), WM_NOTIFY,
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pnmcd->hdr.idFrom, (LPARAM)pnmcd);
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}
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static void TRACKBAR_RecalculateTics (TRACKBAR_INFO *infoPtr)
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{
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int i, tic, nrTics;
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@ -283,17 +289,21 @@ TRACKBAR_InvalidateAll(TRACKBAR_INFO * infoPtr)
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}
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static void
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TRACKBAR_InvalidateThumb (TRACKBAR_INFO *infoPtr, LONG thumbPos)
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{
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RECT rcThumb;
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TRACKBAR_CalcThumb(infoPtr, thumbPos, &rcThumb);
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InflateRect(&rcThumb, 1, 1);
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InvalidateRect(infoPtr->hwndSelf, &rcThumb, FALSE);
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}
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static inline void
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TRACKBAR_InvalidateThumbMove (TRACKBAR_INFO *infoPtr, LONG oldPos, LONG newPos)
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{
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RECT oldThumb;
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RECT newThumb;
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TRACKBAR_CalcThumb(infoPtr, oldPos, &oldThumb);
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TRACKBAR_CalcThumb(infoPtr, newPos, &newThumb);
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InflateRect(&oldThumb, 1, 1);
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InflateRect(&newThumb, 1, 1);
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InvalidateRect(infoPtr->hwndSelf, &oldThumb, FALSE);
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InvalidateRect(infoPtr->hwndSelf, &newThumb, FALSE);
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TRACKBAR_InvalidateThumb (infoPtr, oldPos);
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if (newPos != oldPos)
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TRACKBAR_InvalidateThumb (infoPtr, newPos);
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}
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static BOOL inline
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@ -356,10 +366,21 @@ TRACKBAR_AutoPage (TRACKBAR_INFO *infoPtr, POINT clickPoint)
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/* Trackbar drawing code. I like my spaghetti done milanese. */
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/* ticPos is in tic-units, not in pixels */
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static void
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TRACKBAR_DrawChannel (TRACKBAR_INFO *infoPtr, HDC hdc, DWORD dwStyle)
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{
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RECT rcChannel = infoPtr->rcChannel;
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DrawEdge (hdc, &rcChannel, EDGE_SUNKEN, BF_RECT | BF_ADJUST);
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if (dwStyle & TBS_ENABLESELRANGE) { /* fill the channel */
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FillRect (hdc, &rcChannel, GetStockObject(WHITE_BRUSH));
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if (TRACKBAR_HasSelection(infoPtr))
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FillRect (hdc, &infoPtr->rcSelection, GetSysColorBrush(COLOR_HIGHLIGHT));
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}
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}
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static void
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TRACKBAR_DrawTic (TRACKBAR_INFO *infoPtr, HDC hdc, LONG ticPos, int flags)
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TRACKBAR_DrawOneTic (TRACKBAR_INFO *infoPtr, HDC hdc, LONG ticPos, int flags)
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{
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int x, y, ox, oy, range, side, offset = 5, indent = 0, len = 3;
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RECT rcTics;
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@ -431,16 +452,46 @@ TRACKBAR_DrawTic (TRACKBAR_INFO *infoPtr, HDC hdc, LONG ticPos, int flags)
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}
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static void
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TRACKBAR_DrawTics (TRACKBAR_INFO *infoPtr, HDC hdc, LONG ticPos, int flags)
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static inline void
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TRACKBAR_DrawTic (TRACKBAR_INFO *infoPtr, HDC hdc, LONG ticPos, int flags)
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{
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TRACE("\n");
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if ((flags & (TBS_LEFT | TBS_TOP)) || (flags & TBS_BOTH))
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TRACKBAR_DrawTic (infoPtr, hdc, ticPos, flags | TBS_LEFT);
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TRACKBAR_DrawOneTic (infoPtr, hdc, ticPos, flags | TBS_LEFT);
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if (!(flags & (TBS_LEFT | TBS_TOP)) || (flags & TBS_BOTH))
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TRACKBAR_DrawTic (infoPtr, hdc, ticPos, flags);
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TRACKBAR_DrawOneTic (infoPtr, hdc, ticPos, flags);
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}
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static void
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TRACKBAR_DrawTics (TRACKBAR_INFO *infoPtr, HDC hdc, DWORD dwStyle)
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{
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int i, ticFlags = dwStyle & 0x0f;
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LOGPEN ticPen = { PS_SOLID, {1, 0}, GetSysColor (COLOR_3DDKSHADOW) };
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HPEN hOldPen, hTicPen;
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/* create the pen to draw the tics with */
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hTicPen = CreatePenIndirect(&ticPen);
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hOldPen = hTicPen ? SelectObject(hdc, hTicPen) : 0;
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/* actually draw the tics */
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for (i=0; i<infoPtr->uNumTics; i++)
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TRACKBAR_DrawTic (infoPtr, hdc, infoPtr->tics[i], ticFlags);
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TRACKBAR_DrawTic (infoPtr, hdc, infoPtr->lRangeMin, ticFlags | TIC_EDGE);
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TRACKBAR_DrawTic (infoPtr, hdc, infoPtr->lRangeMax, ticFlags | TIC_EDGE);
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if ((dwStyle & TBS_ENABLESELRANGE) && TRACKBAR_HasSelection(infoPtr)) {
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TRACKBAR_DrawTic (infoPtr, hdc, infoPtr->lSelMin,
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ticFlags | TIC_SELECTIONMARKMIN);
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TRACKBAR_DrawTic (infoPtr, hdc, infoPtr->lSelMax,
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ticFlags | TIC_SELECTIONMARKMAX);
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}
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/* clean up the pen, if we created one */
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if (hTicPen) {
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SelectObject(hdc, hOldPen);
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DeleteObject(hTicPen);
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}
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}
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static void
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@ -452,10 +503,12 @@ TRACKBAR_DrawThumb(TRACKBAR_INFO *infoPtr, HDC hdc, DWORD dwStyle)
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int BlackUntil = 3;
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int PointCount = 6;
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POINT points[6];
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int fillClr;
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static INT PointDepth = 4;
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oldbr = SelectObject (hdc, GetSysColorBrush(COLOR_BTNFACE));
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fillClr = infoPtr->flags & TB_DRAG_MODE ? COLOR_BTNHILIGHT : COLOR_BTNFACE;
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oldbr = SelectObject (hdc, GetSysColorBrush(fillClr));
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SetPolyFillMode (hdc, WINDING);
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if (dwStyle & TBS_BOTH)
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@ -619,10 +672,11 @@ static void
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TRACKBAR_Refresh (TRACKBAR_INFO *infoPtr, HDC hdcDst)
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{
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DWORD dwStyle = GetWindowLongW (infoPtr->hwndSelf, GWL_STYLE);
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RECT rcClient, rcChannel = infoPtr->rcChannel;
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RECT rcClient;
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HDC hdc;
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HBITMAP hOldBmp = 0, hOffScreenBmp = 0;
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int i;
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NMCUSTOMDRAW nmcd;
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int gcdrf, icdrf;
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if (infoPtr->flags & TB_THUMBCHANGED) {
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TRACKBAR_UpdateThumb (infoPtr);
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@ -635,6 +689,8 @@ TRACKBAR_Refresh (TRACKBAR_INFO *infoPtr, HDC hdcDst)
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if (infoPtr->flags & TB_DRAG_MODE)
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TRACKBAR_UpdateToolTip (infoPtr);
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infoPtr->flags &= ~ (TB_THUMBCHANGED | TB_SELECTIONCHANGED);
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GetClientRect (infoPtr->hwndSelf, &rcClient);
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/* try to render offscreen, if we fail, carrry onscreen */
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@ -651,48 +707,74 @@ TRACKBAR_Refresh (TRACKBAR_INFO *infoPtr, HDC hdcDst)
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hdc = hdcDst;
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}
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infoPtr->flags &= ~ (TB_THUMBCHANGED | TB_SELECTIONCHANGED);
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ZeroMemory(&nmcd, sizeof(nmcd));
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nmcd.hdr.hwndFrom = infoPtr->hwndSelf;
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nmcd.hdr.idFrom = GetWindowLongW (infoPtr->hwndSelf, GWL_ID);
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nmcd.hdr.code = NM_CUSTOMDRAW;
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nmcd.hdc = hdc;
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/* start the paint cycle */
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nmcd.rc = rcClient;
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gcdrf = notify_customdraw(&nmcd, CDDS_PREPAINT);
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if (gcdrf & CDRF_SKIPDEFAULT) goto cleanup;
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/* Erase backbround */
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FillRect (hdc, &rcClient, GetSysColorBrush(COLOR_BTNFACE));
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if (gcdrf == CDRF_DODEFAULT ||
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notify_customdraw(&nmcd, CDDS_PREERASE) != CDRF_SKIPDEFAULT) {
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FillRect (hdc, &rcClient, GetSysColorBrush(COLOR_BTNFACE));
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if (gcdrf != CDRF_DODEFAULT)
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notify_customdraw(&nmcd, CDDS_POSTERASE);
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}
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/* draw channel */
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DrawEdge (hdc, &rcChannel, EDGE_SUNKEN, BF_RECT | BF_ADJUST);
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if (dwStyle & TBS_ENABLESELRANGE) { /* fill the channel */
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FillRect (hdc, &rcChannel, GetStockObject(WHITE_BRUSH));
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if (TRACKBAR_HasSelection(infoPtr))
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FillRect (hdc, &infoPtr->rcSelection, GetSysColorBrush(COLOR_HIGHLIGHT));
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if (gcdrf & CDRF_NOTIFYITEMDRAW) {
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nmcd.dwItemSpec = TBCD_CHANNEL;
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nmcd.uItemState = CDIS_DEFAULT;
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nmcd.rc = infoPtr->rcChannel;
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icdrf = notify_customdraw(&nmcd, CDDS_ITEMPREPAINT);
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} else icdrf = CDRF_DODEFAULT;
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if ( !(icdrf & CDRF_SKIPDEFAULT) ) {
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TRACKBAR_DrawChannel (infoPtr, hdc, dwStyle);
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if (icdrf & CDRF_NOTIFYPOSTPAINT)
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notify_customdraw(&nmcd, CDDS_ITEMPOSTPAINT);
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}
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/* draw tics */
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if (!(dwStyle & TBS_NOTICKS)) {
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int ticFlags = dwStyle & 0x0f;
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LOGPEN ticPen = { PS_SOLID, {1, 0}, GetSysColor (COLOR_3DDKSHADOW) };
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HPEN hOldPen, hTicPen;
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hTicPen = CreatePenIndirect(&ticPen);
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hOldPen = hTicPen ? SelectObject(hdc, hTicPen) : 0;
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for (i=0; i<infoPtr->uNumTics; i++)
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TRACKBAR_DrawTics (infoPtr, hdc, infoPtr->tics[i], ticFlags);
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TRACKBAR_DrawTics (infoPtr, hdc, infoPtr->lRangeMin, ticFlags | TIC_EDGE);
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TRACKBAR_DrawTics (infoPtr, hdc, infoPtr->lRangeMax, ticFlags | TIC_EDGE);
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if ((dwStyle & TBS_ENABLESELRANGE) && TRACKBAR_HasSelection(infoPtr)) {
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TRACKBAR_DrawTics (infoPtr, hdc, infoPtr->lSelMin,
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ticFlags | TIC_SELECTIONMARKMIN);
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TRACKBAR_DrawTics (infoPtr, hdc, infoPtr->lSelMax,
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ticFlags | TIC_SELECTIONMARKMAX);
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}
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if (hTicPen) SelectObject(hdc, hOldPen);
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if (gcdrf & CDRF_NOTIFYITEMDRAW) {
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nmcd.dwItemSpec = TBCD_TICS;
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nmcd.uItemState = CDIS_DEFAULT;
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nmcd.rc = rcClient;
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icdrf = notify_customdraw(&nmcd, CDDS_ITEMPREPAINT);
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} else icdrf = CDRF_DODEFAULT;
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if ( !(icdrf & CDRF_SKIPDEFAULT) ) {
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TRACKBAR_DrawTics (infoPtr, hdc, dwStyle);
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if (icdrf & CDRF_NOTIFYPOSTPAINT)
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notify_customdraw(&nmcd, CDDS_ITEMPOSTPAINT);
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}
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}
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/* draw thumb */
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if (!(dwStyle & TBS_NOTHUMB)) {
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if (gcdrf & CDRF_NOTIFYITEMDRAW) {
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nmcd.dwItemSpec = TBCD_THUMB;
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nmcd.uItemState = infoPtr->flags & TB_DRAG_MODE ? CDIS_HOT : CDIS_DEFAULT;
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nmcd.rc = infoPtr->rcThumb;
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icdrf = notify_customdraw(&nmcd, CDDS_ITEMPREPAINT);
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} else icdrf = CDRF_DODEFAULT;
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if ( !(icdrf & CDRF_SKIPDEFAULT) ) {
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TRACKBAR_DrawThumb(infoPtr, hdc, dwStyle);
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if (icdrf & CDRF_NOTIFYPOSTPAINT)
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notify_customdraw(&nmcd, CDDS_ITEMPOSTPAINT);
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}
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}
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/* draw thumb */
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if (!(dwStyle & TBS_NOTHUMB))
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TRACKBAR_DrawThumb(infoPtr, hdc, dwStyle);
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/* finish up the painting */
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if (gcdrf & CDRF_NOTIFYPOSTPAINT)
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notify_customdraw(&nmcd, CDDS_POSTPAINT);
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cleanup:
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/* cleanup, if we rendered offscreen */
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if (hdc != hdcDst) {
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BitBlt(hdcDst, 0, 0, rcClient.right, rcClient.bottom, hdc, 0, 0, SRCCOPY);
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@ -1226,6 +1308,7 @@ TRACKBAR_LButtonDown (TRACKBAR_INFO *infoPtr, DWORD fwKeys, POINTS pts)
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SetCapture (infoPtr->hwndSelf);
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TRACKBAR_UpdateToolTip (infoPtr);
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TRACKBAR_ActivateToolTip (infoPtr, TRUE);
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TRACKBAR_InvalidateThumb(infoPtr, infoPtr->lPos);
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} else {
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LONG dir = TRACKBAR_GetAutoPageDirection(infoPtr, clickPoint);
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if (dir == 0) return 0;
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@ -1248,6 +1331,7 @@ TRACKBAR_LButtonUp (TRACKBAR_INFO *infoPtr, DWORD fwKeys, POINTS pts)
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ReleaseCapture ();
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notify_releasedcapture(infoPtr);
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TRACKBAR_ActivateToolTip(infoPtr, FALSE);
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TRACKBAR_InvalidateThumb(infoPtr, infoPtr->lPos);
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}
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if (infoPtr->flags & TB_AUTO_PAGE) {
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KillTimer (infoPtr->hwndSelf, TB_REFRESH_TIMER);
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