BOOL ShowScrollBar (HWND hWnd, int iSBar, BOOL bShow) { PMWSCROLLBARINFO pSBar; HWND pWin; BOOL bPrevState; RECT rcBar; pWin = (HWND)hWnd; if ( !(pSBar = wndGetScrollBar (pWin, iSBar)) ) return FALSE; bPrevState = !(pSBar->status & SBS_HIDE); if (bShow && !bPrevState) pSBar->status &= ~SBS_HIDE; else if (!bShow && bPrevState) pSBar->status |= SBS_HIDE; else return FALSE; #if 0//fix: no WM_CHANGESIZE SendMessage (hWnd, WM_CHANGESIZE, 0, 0); #endif if (iSBar == SB_VERT) wndGetVScrollBarRect (pWin, &rcBar); else wndGetHScrollBarRect (pWin, &rcBar); { RECT rcWin, rcClient; memcpy (&rcWin, &pWin->winrect.left, sizeof (RECT)); rcClient.left = 0; rcClient.top = 0; rcClient.right = pWin->clirect.right - pWin->clirect.left; rcClient.bottom = pWin->clirect.bottom - pWin->clirect.top; #if 0//fix: no WM_SIZECHANGED SendMessage/*SendAsyncMessage*/ (hWnd, WM_SIZECHANGED, (WPARAM)&rcWin, (LPARAM)&rcClient); #endif } if (bShow) { SendMessage (hWnd, WM_NCPAINT, 0, 0); } else { rcBar.left -= pWin->clirect.left; rcBar.top -= pWin->clirect.top; rcBar.right -= pWin->clirect.left; rcBar.bottom -= pWin->clirect.top; SendMessage (hWnd, WM_NCPAINT, 0, 0); InvalidateRect (hWnd, &rcBar, TRUE); } return TRUE; }
BOOL SetScrollRangeEx (HWND hWnd, int iSBar, int iMinPos, int iMaxPos) /* jmt: iSBar not used */ { PMWSCROLLBARINFO pSBar; HWND pWin; RECT rcBar; DWORD dwStyle; /* jmt:2k0820 */ pWin = (HWND)hWnd; if ( !(pSBar = wndGetScrollBar (pWin)) ) return FALSE; pSBar->minPos = (iMinPos < iMaxPos)?iMinPos:iMaxPos; pSBar->maxPos = (iMinPos > iMaxPos)?iMinPos:iMaxPos; /* validate parameters. */ if (pSBar->curPos < pSBar->minPos) pSBar->curPos = pSBar->minPos; if (pSBar->pageStep <= 0) pSBar->pageStep = 0; else if (pSBar->pageStep > (pSBar->maxPos - pSBar->minPos + 1)) pSBar->pageStep = pSBar->maxPos - pSBar->minPos + 1; { int max = pSBar->maxPos; max -= ((pSBar->pageStep - 1) > 0)?(pSBar->pageStep - 1):0; if (pSBar->curPos > max) pSBar->curPos = max; } dwStyle = (GetWindowStyle (hWnd) & SBS_TYPEMASK); /* jmt: 2k0820 */ if (dwStyle == SBS_VERT) { wndGetVScrollBarRect (pWin, &rcBar); rcBar.left --; rcBar.right --; } else { wndGetHScrollBarRect (pWin, &rcBar); rcBar.top --; rcBar.bottom --; } wndScrollBarPos (pWin, dwStyle == SBS_HORZ, &rcBar); #if 0 SendMessage (hWnd, WM_NCPAINT, 0, (LPARAM)(&rcBar)); #else MwPaintScrollbars(hWnd,NULL,dwStyle); /* a must */ #endif return TRUE; }
BOOL SetScrollRange (HWND hWnd, int iSBar, int iMinPos, int iMaxPos) { PMWSCROLLBARINFO pSBar; HWND pWin; RECT rcBar; pWin = (HWND)hWnd; if ( !(pSBar = wndGetScrollBar (pWin, iSBar)) ) return FALSE; pSBar->minPos = (iMinPos < iMaxPos)?iMinPos:iMaxPos; pSBar->maxPos = (iMinPos > iMaxPos)?iMinPos:iMaxPos; // validate parameters. if (pSBar->curPos < pSBar->minPos) pSBar->curPos = pSBar->minPos; if (pSBar->pageStep <= 0) pSBar->pageStep = 0; else if (pSBar->pageStep > (pSBar->maxPos - pSBar->minPos + 1)) pSBar->pageStep = pSBar->maxPos - pSBar->minPos + 1; { int max = pSBar->maxPos; max -= ((pSBar->pageStep - 1) > 0)?(pSBar->pageStep - 1):0; if (pSBar->curPos > max) pSBar->curPos = max; } if (iSBar == SB_VERT) { wndGetVScrollBarRect (pWin, &rcBar); rcBar.left --; rcBar.right --; } else { wndGetHScrollBarRect (pWin, &rcBar); rcBar.top --; rcBar.bottom --; } wndScrollBarPos (pWin, iSBar == SB_HORZ, &rcBar); #if 0 SendMessage (hWnd, WM_NCPAINT, 0, (LPARAM)(&rcBar)); #else MwPaintNCScrollbars(hWnd,NULL);//a must #endif return TRUE; }
BOOL SetScrollPos (HWND hWnd, int iSBar, int iNewPos)//ok { PMWSCROLLBARINFO pSBar; HWND pWin; RECT rcBar; pWin = (HWND)hWnd; if ( !(pSBar = wndGetScrollBar (pWin, iSBar)) ) return FALSE; if (iNewPos < pSBar->minPos) pSBar->curPos = pSBar->minPos; else pSBar->curPos = iNewPos; { int max = pSBar->maxPos; max -= ((pSBar->pageStep - 1) > 0)?(pSBar->pageStep - 1):0; if (pSBar->curPos > max) pSBar->curPos = max; } if (iSBar == SB_VERT) { wndGetVScrollBarRect (pWin, &rcBar); rcBar.left --; rcBar.right --; } else { wndGetHScrollBarRect (pWin, &rcBar); rcBar.top --; rcBar.bottom --; } wndScrollBarPos (pWin, iSBar == SB_HORZ, &rcBar); #if 0 SendMessage (hWnd, WM_NCPAINT, 0, (LPARAM)(&rcBar)); #else MwPaintNCScrollbars(hWnd,NULL);//a must #endif return TRUE; }
BOOL EnableScrollBarEx (HWND hWnd, int iSBar, BOOL bEnable) /* jmt: iSBar not used */ { PMWSCROLLBARINFO pSBar; HWND pWin; BOOL bPrevState; RECT rcBar; DWORD dwStyle; /* jmt:2k0820 */ pWin = (HWND)hWnd; if ( !(pSBar = wndGetScrollBar (pWin)) ) return FALSE; bPrevState = !(pSBar->status & SBS_DISABLED); if (bEnable && !bPrevState) pSBar->status &= ~SBS_DISABLED; else if (!bEnable && bPrevState) pSBar->status |= SBS_DISABLED; else return FALSE; dwStyle = (GetWindowStyle (hWnd) & SBS_TYPEMASK); /* jmt: 2k0820 */ if (dwStyle == SBS_VERT) { wndGetVScrollBarRect (pWin, &rcBar); rcBar.left --; rcBar.right --; } else { wndGetHScrollBarRect (pWin, &rcBar); rcBar.top --; rcBar.bottom --; } #if 0 SendMessage (hWnd, WM_NCPAINT, 0, (LPARAM)(&rcBar)); #else MwPaintScrollbars(hWnd,NULL,dwStyle); /* a must */ #endif return TRUE; }
BOOL EnableScrollBar (HWND hWnd, int iSBar, BOOL bEnable)//ok { PMWSCROLLBARINFO pSBar; HWND pWin; BOOL bPrevState; RECT rcBar; pWin = (HWND)hWnd; if ( !(pSBar = wndGetScrollBar (pWin, iSBar)) )//ok return FALSE; bPrevState = !(pSBar->status & SBS_DISABLED); if (bEnable && !bPrevState) pSBar->status &= ~SBS_DISABLED; else if (!bEnable && bPrevState) pSBar->status |= SBS_DISABLED; else return FALSE; if (iSBar == SB_VERT) { wndGetVScrollBarRect (pWin, &rcBar); rcBar.left --; rcBar.right --; } else { wndGetHScrollBarRect (pWin, &rcBar); rcBar.top --; rcBar.bottom --; } #if 0 SendMessage (hWnd, WM_NCPAINT, 0, (LPARAM)(&rcBar)); #else MwPaintNCScrollbars(hWnd,NULL);//a must #endif return TRUE; }
static LRESULT CALLBACK ScrollbarControlProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam) /* jmt:2k0820 */ { DWORD dwStyle; MWSCROLLBARINFO* pData; int moveRange; RECT rcBar; dwStyle = (GetWindowStyle (hwnd) & SBS_TYPEMASK); switch (message) { case WM_CREATE: if (!(pData = malloc (sizeof (MWSCROLLBARINFO)))) { fprintf(stderr, "Create scroll bar control failure!\n"); return -1; } pData->minPos=0; /* min value of scroll range.*/ /* max value of scroll range.*/ pData->maxPos=0; if (dwStyle==SBS_VERT) moveRange=((hwnd->winrect.bottom-hwnd->winrect.top) -((hwnd->winrect.right-hwnd->winrect.left)<<1)); else moveRange=((hwnd->winrect.right-hwnd->winrect.left) -((hwnd->winrect.bottom-hwnd->winrect.top)<<1)); if (moveRange > MWM_MINBARLEN) { pData->maxPos=moveRange / MWM_MINBARLEN; if( (moveRange % MWM_MINBARLEN) ) pData->maxPos++; } printf("maxPos=%d\n",pData->maxPos); pData->curPos=0; /* current scroll pos.*/ /* steps per page.*/ pData->pageStep=1; if ( (pData->maxPos - 2) > 1) pData->pageStep = pData->maxPos - 2; printf("pageStep=%d\n",pData->pageStep); pData->barStart=0; /* start pixel of bar.*/ pData->barLen=MWM_MINBARLEN; /* length of bar.*/ pData->status=SBS_UNKNOWN; /* status of scroll bar.*/ #if 0 /* jmt: must handle WM_MOVE */ pData->rc=hwnd->winrect; /* screen coordinates position*/ #endif hwnd->userdata = (DWORD)pData; if (dwStyle == SBS_VERT) { wndGetVScrollBarRect (hwnd, &rcBar); rcBar.left --; rcBar.right --; } else { wndGetHScrollBarRect (hwnd, &rcBar); rcBar.top --; rcBar.bottom --; } /* adjust pData->barLen */ wndScrollBarPos (hwnd, dwStyle == SBS_HORZ, &rcBar); break; case WM_DESTROY: free ((void *)(hwnd->userdata)); break; case WM_PAINT: MwPaintScrollbars(hwnd,NULL,dwStyle); break; case WM_NCLBUTTONDOWN: case WM_NCLBUTTONDBLCLK: case WM_NCMOUSEMOVE: case WM_NCLBUTTONUP: MwHandleMessageScrollbar(hwnd, wParam, lParam, message, dwStyle); break; case WM_HSCROLL: case WM_VSCROLL: { int newTop,itemCount,itemVisibles; pData = (MWSCROLLBARINFO *)hwnd->userdata; newTop = pData->curPos; itemCount = pData->maxPos - pData->minPos + 1; itemVisibles = pData->pageStep; switch(wParam) { case SB_LINEDOWN: #define ITEM_BOTTOM(x) (x->curPos + itemVisibles - 1) if (ITEM_BOTTOM (pData) < (itemCount - 1 )) { newTop ++; } break; case SB_LINEUP: if (pData->curPos > 0) { newTop --; } break; case SB_PAGEDOWN: if ((pData->curPos + (itemVisibles << 1)) <= itemCount) newTop += itemVisibles; else newTop = itemCount - itemVisibles; if (newTop < 0) return 0; break; case SB_PAGEUP: if (pData->curPos >= itemVisibles) newTop -= itemVisibles; else newTop = 0; break; case SB_THUMBTRACK: newTop = (int)lParam; break; } pData->curPos = newTop; SendMessage (hwnd, WM_PAINT, 0, 0); sbSetScrollInfo (hwnd, pData, TRUE); return 0; } break; default: return DefWindowProc (hwnd, message, wParam, lParam); } return 0; }
BOOL ShowScrollBarEx (HWND hWnd, int iSBar, BOOL bShow) /* jmt: iSBar not used */ { PMWSCROLLBARINFO pSBar; HWND pWin; BOOL bPrevState; RECT rcBar; DWORD dwStyle; /* jmt:2k0820 */ pWin = (HWND)hWnd; if ( !(pSBar = wndGetScrollBar (pWin)) ) return FALSE; bPrevState = !(pSBar->status & SBS_HIDE); if (bShow && !bPrevState) pSBar->status &= ~SBS_HIDE; else if (!bShow && bPrevState) pSBar->status |= SBS_HIDE; else return FALSE; #if 0 /* fix: no WM_CHANGESIZE */ SendMessage (hWnd, WM_CHANGESIZE, 0, 0); #endif dwStyle = (GetWindowStyle (hWnd) & SBS_TYPEMASK); /* jmt: 2k0820 */ if (dwStyle == SBS_VERT) wndGetVScrollBarRect (pWin, &rcBar); else wndGetHScrollBarRect (pWin, &rcBar); { RECT rcWin, rcClient; memcpy (&rcWin, &pWin->winrect.left, sizeof (RECT)); rcClient.left = 0; rcClient.top = 0; rcClient.right = pWin->clirect.right - pWin->clirect.left; rcClient.bottom = pWin->clirect.bottom - pWin->clirect.top; #if 0 /* fix: no WM_SIZECHANGED */ SendMessage (hWnd, WM_SIZECHANGED, (WPARAM)&rcWin, (LPARAM)&rcClient); #endif } if (bShow) { SendMessage (hWnd, WM_NCPAINT, 0, 0); } else { rcBar.left -= pWin->clirect.left; rcBar.top -= pWin->clirect.top; rcBar.right -= pWin->clirect.left; rcBar.bottom -= pWin->clirect.top; SendMessage (hWnd, WM_NCPAINT, 0, 0); InvalidateRect (hWnd, &rcBar, TRUE); } return TRUE; }
BOOL SetScrollInfoEx (HWND hWnd, int iSBar, LPCSCROLLINFO lpsi, BOOL fRedraw) /* jmt: iSBar not used */ { PMWSCROLLBARINFO pSBar; HWND pWin; RECT rcBar; DWORD dwStyle; /* jmt:2k0820 */ pWin = (HWND)hWnd; if ( !(pSBar = wndGetScrollBar (pWin)) ) return FALSE; if( lpsi->fMask & SIF_RANGE ) { pSBar->minPos = (lpsi->nMin < lpsi->nMax)?lpsi->nMin:lpsi->nMax; pSBar->maxPos = (lpsi->nMin < lpsi->nMax)?lpsi->nMax:lpsi->nMin; } if( lpsi->fMask & SIF_POS ) pSBar->curPos = lpsi->nPos; if( lpsi->fMask & SIF_PAGE ) pSBar->pageStep = lpsi->nPage; /* validate parameters. */ if (pSBar->curPos < pSBar->minPos) pSBar->curPos = pSBar->minPos; if (pSBar->pageStep <= 0) pSBar->pageStep = 0; else if (pSBar->pageStep > (pSBar->maxPos - pSBar->minPos + 1)) pSBar->pageStep = pSBar->maxPos - pSBar->minPos + 1; { int max = pSBar->maxPos; max -= ((pSBar->pageStep - 1) > 0)?(pSBar->pageStep - 1):0; if (pSBar->curPos > max) pSBar->curPos = max; } dwStyle = (GetWindowStyle (hWnd) & SBS_TYPEMASK); /* jmt: 2k0820 */ if(fRedraw) { if (dwStyle == SBS_VERT) { wndGetVScrollBarRect (pWin, &rcBar); rcBar.left --; rcBar.right --; } else { wndGetHScrollBarRect (pWin, &rcBar); rcBar.top --; rcBar.bottom --; } wndScrollBarPos (pWin, dwStyle == SBS_HORZ, &rcBar); #if 0 SendMessage (hWnd, WM_NCPAINT, 0, (LPARAM)(&rcBar)); #else MwPaintScrollbars(hWnd,NULL,dwStyle); /* a must */ #endif } return TRUE; }
void MwPaintScrollbars(HWND hwnd, HDC hdc, DWORD style) { BOOL vertbar = (style==SBS_VERT); BOOL horzbar = (style==SBS_HORZ); BOOL fGotDC = FALSE; RECT rc,rc2; POINT p3[3]; int shrink=2; int start = 0; RECT rcHBar, rcVBar; int cx,cy; MWSCROLLBARINFO* pData; pData = (MWSCROLLBARINFO *)hwnd->userdata; rc = hwnd->winrect; cx=rc.right-rc.left; cy=rc.bottom-rc.top; if (!hdc && (horzbar || vertbar)) { hdc = GetWindowDC(hwnd); fGotDC = TRUE; } if (vertbar) { #if 1 /* bkgnd */ rc2.left=rc.left; rc2.right=rc2.left+ cx; rc2.top=rc.top; rc2.bottom=rc2.top+ cx; FillRect(hdc, &rc2, (HBRUSH)(COLOR_BTNFACE+1)); rc2.top=rc.bottom- cx; rc2.bottom=rc2.top+ cx; FillRect(hdc, &rc2, (HBRUSH)(COLOR_BTNFACE+1)); #endif /* up */ Draw3dUpDownState(hdc, rc.left, rc.top, cx, cx, pData->status & SBS_UPARROW); /* down */ Draw3dUpDownState(hdc, rc.left,rc.bottom-cx, cx, cx, pData->status & SBS_DOWNARROW); /* jmt: draw arrows */ SelectObject(hdc,GetStockObject(BLACK_BRUSH)); /* up */ p3[0].x= rc.left + (cx/2) - 1; p3[0].y= rc.top + 2 + shrink; p3[1].x= rc.left + 2 + shrink - 1; p3[1].y= rc.top + (cx-4) - shrink; p3[2].x= rc.left + (cx-4) - shrink; p3[2].y= rc.top + (cx-4) - shrink; Polygon(hdc,p3,3); /* down */ p3[0].x= rc.left + (cx/2) - 1; p3[0].y= rc.bottom - 4 - shrink; p3[1].x= rc.left + 2 + shrink - 1; p3[1].y= rc.bottom-cx + 2 + shrink; p3[2].x= rc.left + (cx-4) - shrink; p3[2].y= rc.bottom-cx + 2 + shrink; Polygon(hdc,p3,3); /* draw moving bar */ wndGetVScrollBarRect (hwnd, &rcVBar); rcVBar.left -- ; /*rcVBar.right -- ;*/ start = rcVBar.top + cx + pData->barStart; if (start + pData->barLen > rcVBar.bottom) start = rcVBar.bottom - pData->barLen; if (pData->barLen == 0) pData->barLen=rc.bottom-rc.top-(cx*2); /* bkgnd */ rc2.left=rc.left; rc2.right=rc.right/*-1*/; rc2.top=rc.top+cx; rc2.bottom=start; if (rc2.bottom>rc2.top) FillRect(hdc, &rc2, (HBRUSH)GetStockObject(DKGRAY_BRUSH)); rc2.top=start+pData->barLen; rc2.bottom=rc.bottom-cx; if (rc2.bottom>rc2.top) FillRect(hdc, &rc2, (HBRUSH)GetStockObject(DKGRAY_BRUSH)); Draw3dUpFrame (hdc, rcVBar.left, start, rcVBar.right, start + pData->barLen); /*printf("barv:(l,t,r,b):(%d,%d,%d,%d)\n", rcVBar.left, start, rcVBar.right, start + pData->barLen);*/ } if (horzbar) { #if 1 /* bkgnd */ rc2.top=rc.top; rc2.bottom=rc2.top+ cy; rc2.left=rc.left; rc2.right=rc2.left+ cy; FillRect(hdc, &rc2, (HBRUSH)(COLOR_BTNFACE+1)); rc2.left=rc.right- cy; rc2.right=rc2.left+ cy; FillRect(hdc, &rc2, (HBRUSH)(COLOR_BTNFACE+1)); #endif /* left */ Draw3dUpDownState(hdc, rc.left, rc.top, cy, cy, pData->status & SBS_LEFTARROW); /* right */ Draw3dUpDownState(hdc, rc.right-cy, rc.top, cy, cy, pData->status & SBS_RIGHTARROW); /* jmt: draw arrows */ SelectObject(hdc,GetStockObject(BLACK_BRUSH)); /* left */ p3[0].x= rc.left + 2 + shrink; p3[0].y= rc.top + (cy/2) ; p3[1].x= rc.left + (cy-4) - shrink ; p3[1].y= rc.top + 2 + shrink; p3[2].x= rc.left + (cy-4) - shrink; p3[2].y= rc.bottom - 4 - shrink + 1; Polygon(hdc,p3,3); /* right */ p3[0].x= rc.right - 4 - shrink; p3[0].y= rc.top + (cy/2) ; p3[1].x= rc.right-cy + 2 + shrink ; p3[1].y= rc.top + 2 + shrink; p3[2].x= rc.right-cy + 2 + shrink; p3[2].y= rc.bottom - 4 - shrink + 1; Polygon(hdc,p3,3); /* draw moving bar. */ wndGetHScrollBarRect (hwnd, &rcHBar); rcHBar.top -- ; /*rcHBar.bottom -- ;*/ start = rcHBar.left + cy + pData->barStart; if (start + pData->barLen > rcHBar.right) start = rcHBar.right - pData->barLen; if (pData->barLen == 0) pData->barLen=rc.right-rc.left-(cy*2); /* bkgnd */ rc2.top=rc.top; rc2.bottom=rc.bottom/*-1*/; rc2.left=rc.left+cy; rc2.right=start; if (rc2.right>rc2.left) FillRect(hdc, &rc2, (HBRUSH)GetStockObject(DKGRAY_BRUSH)); rc2.left=start+pData->barLen; rc2.right=rc.right-cy; if (rc2.right>rc2.left) FillRect(hdc, &rc2, (HBRUSH)GetStockObject(DKGRAY_BRUSH)); Draw3dUpFrame (hdc, start, rcHBar.top, start + pData->barLen, rcHBar.bottom); /*printf("barh:(l,t,r,b):(%d,%d,%d,%d)\n", start, rcHBar.top, start + pData->barLen, rcHBar.bottom);*/ } if (fGotDC) ReleaseDC(hwnd, hdc); }
BOOL SetScrollInfo (HWND hWnd, int iSBar, LPCSCROLLINFO lpsi, BOOL fRedraw)//ok { PMWSCROLLBARINFO pSBar; HWND pWin; RECT rcBar; pWin = (HWND)hWnd; if ( !(pSBar = wndGetScrollBar (pWin, iSBar)) ) return FALSE; if( lpsi->fMask & SIF_RANGE ) { pSBar->minPos = (lpsi->nMin < lpsi->nMax)?lpsi->nMin:lpsi->nMax; pSBar->maxPos = (lpsi->nMin < lpsi->nMax)?lpsi->nMax:lpsi->nMin; } if( lpsi->fMask & SIF_POS ) pSBar->curPos = lpsi->nPos; if( lpsi->fMask & SIF_PAGE ) pSBar->pageStep = lpsi->nPage; // validate parameters. if (pSBar->curPos < pSBar->minPos) pSBar->curPos = pSBar->minPos; if (pSBar->pageStep <= 0) pSBar->pageStep = 0; else if (pSBar->pageStep > (pSBar->maxPos - pSBar->minPos + 1)) pSBar->pageStep = pSBar->maxPos - pSBar->minPos + 1; { int max = pSBar->maxPos; max -= ((pSBar->pageStep - 1) > 0)?(pSBar->pageStep - 1):0; if (pSBar->curPos > max) pSBar->curPos = max; } if(fRedraw) { if (iSBar == SB_VERT) { wndGetVScrollBarRect (pWin, &rcBar); rcBar.left --; rcBar.right --; } else { wndGetHScrollBarRect (pWin, &rcBar); rcBar.top --; rcBar.bottom --; } wndScrollBarPos (pWin, iSBar == SB_HORZ, &rcBar); #if 0 SendMessage (hWnd, WM_NCPAINT, 0, (LPARAM)(&rcBar)); #else MwPaintNCScrollbars(hWnd,NULL);//a must #endif } return TRUE; }
void MwPaintNCScrollbars(HWND hwnd, HDC hdc) { BOOL vertbar = VSCROLLBARVISIBLE(hwnd); BOOL horzbar = HSCROLLBARVISIBLE(hwnd); BOOL fGotDC = FALSE; RECT rc,rc2; POINT p3[3]; int shrink=2; int start = 0; RECT rcHBar, rcVBar; if (!hdc && (horzbar || vertbar)) { hdc = GetWindowDC(hwnd); fGotDC = TRUE; } if (horzbar && vertbar) { rc.left = hwnd->clirect.right; rc.top = hwnd->clirect.bottom; rc.right = rc.left + mwSYSMETRICS_CXVSCROLL; rc.bottom = rc.top + mwSYSMETRICS_CYHSCROLL; FillRect(hdc, &rc, (HBRUSH)(COLOR_BTNFACE+1)); } if (vertbar) { rc = hwnd->vscroll.rc; #if 1 /* bkgnd */ rc2.left=rc.left; rc2.right=rc2.left+ mwSYSMETRICS_CXVSCROLL; rc2.top=rc.top; rc2.bottom=rc2.top+ mwSYSMETRICS_CYHSCROLL; FillRect(hdc, &rc2, (HBRUSH)(COLOR_BTNFACE+1)); rc2.top=rc.bottom- mwSYSMETRICS_CYHSCROLL; rc2.bottom=rc2.top+ mwSYSMETRICS_CYHSCROLL; FillRect(hdc, &rc2, (HBRUSH)(COLOR_BTNFACE+1)); #endif /* up */ Draw3dUpDownState(hdc, rc.left, rc.top, mwSYSMETRICS_CXVSCROLL, mwSYSMETRICS_CYHSCROLL, hwnd->vscroll.status & SBS_UPARROW); /* down */ Draw3dUpDownState(hdc, rc.left,rc.bottom-mwSYSMETRICS_CYHSCROLL, mwSYSMETRICS_CXVSCROLL, mwSYSMETRICS_CYHSCROLL, hwnd->vscroll.status & SBS_DOWNARROW); //jmt: draw arrows SelectObject(hdc,GetStockObject(BLACK_BRUSH)); /* up */ p3[0].x= rc.left + (mwSYSMETRICS_CXVSCROLL/2) - 1; p3[0].y= rc.top + 2 + shrink; p3[1].x= rc.left + 2 + shrink - 1; p3[1].y= rc.top + (mwSYSMETRICS_CYHSCROLL-4) - shrink; p3[2].x= rc.left + (mwSYSMETRICS_CXVSCROLL-4) - shrink; p3[2].y= rc.top + (mwSYSMETRICS_CYHSCROLL-4) - shrink; Polygon(hdc,p3,3); /* down */ p3[0].x= rc.left + (mwSYSMETRICS_CXVSCROLL/2) - 1; p3[0].y= rc.bottom - 4 - shrink; p3[1].x= rc.left + 2 + shrink - 1; p3[1].y= rc.bottom-mwSYSMETRICS_CYHSCROLL + 2 + shrink; p3[2].x= rc.left + (mwSYSMETRICS_CXVSCROLL-4) - shrink; p3[2].y= rc.bottom-mwSYSMETRICS_CYHSCROLL + 2 + shrink; Polygon(hdc,p3,3); // draw moving bar wndGetVScrollBarRect (hwnd, &rcVBar); rcVBar.left -- ; rcVBar.right -- ; start = rcVBar.top + mwSYSMETRICS_CYVSCROLL + hwnd->vscroll.barStart; if (start + hwnd->vscroll.barLen > rcVBar.bottom) start = rcVBar.bottom - hwnd->vscroll.barLen; if (hwnd->vscroll.barLen == 0) hwnd->vscroll.barLen=rc.bottom-rc.top-(mwSYSMETRICS_CYVSCROLL*2); /* bkgnd */ rc2.left=rc.left; rc2.right=rc.right/*-1*/; rc2.top=rc.top+mwSYSMETRICS_CYHSCROLL; rc2.bottom=start; if (rc2.bottom>rc2.top) FillRect(hdc, &rc2, (HBRUSH)GetStockObject(DKGRAY_BRUSH)); rc2.top=start+hwnd->vscroll.barLen; rc2.bottom=rc.bottom-mwSYSMETRICS_CYHSCROLL; if (rc2.bottom>rc2.top) FillRect(hdc, &rc2, (HBRUSH)GetStockObject(DKGRAY_BRUSH)); Draw3dUpFrame (hdc, rcVBar.left, start, rcVBar.right, start + hwnd->vscroll.barLen); #if 0 printf("barv:(l,t,r,b):(%d,%d,%d,%d)\n", rcVBar.left, start, rcVBar.right, start + hwnd->vscroll.barLen); #endif } if (horzbar) { rc = hwnd->hscroll.rc; #if 1 /* bkgnd */ rc2.top=rc.top; rc2.bottom=rc2.top+ mwSYSMETRICS_CYHSCROLL; rc2.left=rc.left; rc2.right=rc2.left+ mwSYSMETRICS_CXVSCROLL; FillRect(hdc, &rc2, (HBRUSH)(COLOR_BTNFACE+1)); rc2.left=rc.right- mwSYSMETRICS_CXVSCROLL; rc2.right=rc2.left+ mwSYSMETRICS_CXVSCROLL; FillRect(hdc, &rc2, (HBRUSH)(COLOR_BTNFACE+1)); #endif /* left */ Draw3dUpDownState(hdc, rc.left, rc.top, mwSYSMETRICS_CXVSCROLL, mwSYSMETRICS_CYHSCROLL, hwnd->hscroll.status & SBS_LEFTARROW); /* right */ Draw3dUpDownState(hdc, rc.right-mwSYSMETRICS_CXVSCROLL, rc.top, mwSYSMETRICS_CXVSCROLL, mwSYSMETRICS_CYHSCROLL, hwnd->hscroll.status & SBS_RIGHTARROW); //jmt: draw arrows SelectObject(hdc,GetStockObject(BLACK_BRUSH)); /* left */ p3[0].x= rc.left + 2 + shrink; p3[0].y= rc.top + (mwSYSMETRICS_CYHSCROLL/2) ; p3[1].x= rc.left + (mwSYSMETRICS_CXVSCROLL-4) - shrink ; p3[1].y= rc.top + 2 + shrink; p3[2].x= rc.left + (mwSYSMETRICS_CXVSCROLL-4) - shrink; p3[2].y= rc.bottom - 4 - shrink + 1; Polygon(hdc,p3,3); /* right */ p3[0].x= rc.right - 4 - shrink; p3[0].y= rc.top + (mwSYSMETRICS_CYHSCROLL/2) ; p3[1].x= rc.right-mwSYSMETRICS_CXVSCROLL + 2 + shrink ; p3[1].y= rc.top + 2 + shrink; p3[2].x= rc.right-mwSYSMETRICS_CXVSCROLL + 2 + shrink; p3[2].y= rc.bottom - 4 - shrink + 1; Polygon(hdc,p3,3); // draw moving bar. wndGetHScrollBarRect (hwnd, &rcHBar); rcHBar.top -- ; rcHBar.bottom -- ; start = rcHBar.left + mwSYSMETRICS_CXHSCROLL + hwnd->hscroll.barStart; if (start + hwnd->hscroll.barLen > rcHBar.right) start = rcHBar.right - hwnd->hscroll.barLen; if (hwnd->hscroll.barLen == 0) hwnd->hscroll.barLen=rc.right-rc.left-(mwSYSMETRICS_CXHSCROLL*2); /* bkgnd */ rc2.top=rc.top; rc2.bottom=rc.bottom/*-1*/; rc2.left=rc.left+mwSYSMETRICS_CXVSCROLL; rc2.right=start; if (rc2.right>rc2.left) FillRect(hdc, &rc2, (HBRUSH)GetStockObject(DKGRAY_BRUSH)); rc2.left=start+hwnd->hscroll.barLen; rc2.right=rc.right-mwSYSMETRICS_CXVSCROLL; if (rc2.right>rc2.left) FillRect(hdc, &rc2, (HBRUSH)GetStockObject(DKGRAY_BRUSH)); Draw3dUpFrame (hdc, start, rcHBar.top, start + hwnd->hscroll.barLen, rcHBar.bottom); #if 0 printf("barh:(l,t,r,b):(%d,%d,%d,%d)\n", start, rcHBar.top, start + hwnd->hscroll.barLen, rcHBar.bottom); #endif } if (fGotDC) ReleaseDC(hwnd, hdc); }