/* * Trackbar control * * Copyright 1998, 1999 Eric Kohl * Copyright 1998, 1999 Alex Priem * Copyright 2002 Dimitrie O. Paun * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA * * NOTE * * This code was audited for completeness against the documented features * of Comctl32.dll version 6.0 on Sep. 12, 2002, by Dimitrie O. Paun. * * Unless otherwise noted, we believe this code to be complete, as per * the specification mentioned above. * If you discover missing features, or bugs, please note them below. * */ #include <stdarg.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include "windef.h" #include "winbase.h" #include "wingdi.h" #include "winuser.h" #include "winnls.h" #include "commctrl.h" #include "uxtheme.h" #include "vssym32.h" #include "wine/debug.h" #include "comctl32.h" WINE_DEFAULT_DEBUG_CHANNEL(trackbar); typedef struct { HWND hwndSelf; DWORD dwStyle; LONG lRangeMin; LONG lRangeMax; LONG lLineSize; LONG lPageSize; LONG lSelMin; LONG lSelMax; LONG lPos; UINT uThumbLen; UINT uNumTics; UINT uTicFreq; HWND hwndNotify; HWND hwndToolTip; HWND hwndBuddyLA; HWND hwndBuddyRB; INT fLocation; INT flags; BOOL bUnicode; BOOL bFocussed; RECT rcChannel; RECT rcSelection; RECT rcThumb; LPLONG tics; } TRACKBAR_INFO; #define TB_REFRESH_TIMER 1 #define TB_REFRESH_DELAY 500 #define TOOLTIP_OFFSET 2 /* distance from ctrl edge to tooltip */ #define TB_DEFAULTPAGESIZE 20 /* Used by TRACKBAR_Refresh to find out which parts of the control need to be recalculated */ #define TB_THUMBPOSCHANGED 1 #define TB_THUMBSIZECHANGED 2 #define TB_THUMBCHANGED (TB_THUMBPOSCHANGED | TB_THUMBSIZECHANGED) #define TB_SELECTIONCHANGED 4 #define TB_DRAG_MODE 8 /* we're dragging the slider */ #define TB_AUTO_PAGE_LEFT 16 #define TB_AUTO_PAGE_RIGHT 32 #define TB_AUTO_PAGE (TB_AUTO_PAGE_LEFT | TB_AUTO_PAGE_RIGHT) #define TB_THUMB_HOT 64 /* mouse hovers above thumb */ /* helper defines for TRACKBAR_DrawTic */ #define TIC_EDGE 0x20 #define TIC_SELECTIONMARKMAX 0x80 #define TIC_SELECTIONMARKMIN 0x100 #define TIC_SELECTIONMARK (TIC_SELECTIONMARKMAX | TIC_SELECTIONMARKMIN) static const WCHAR themeClass[] = { 'T','r','a','c','k','b','a','r',0 }; static inline int notify_customdraw (const TRACKBAR_INFO *infoPtr, NMCUSTOMDRAW *pnmcd, int stage) { pnmcd->dwDrawStage = stage; return SendMessageW (infoPtr->hwndNotify, WM_NOTIFY, pnmcd->hdr.idFrom, (LPARAM)pnmcd); } static LRESULT notify_hdr (const TRACKBAR_INFO *infoPtr, INT code, LPNMHDR pnmh) { LRESULT result; TRACE("(code=%d)\n", code); pnmh->hwndFrom = infoPtr->hwndSelf; pnmh->idFrom = GetWindowLongPtrW(infoPtr->hwndSelf, GWLP_ID); pnmh->code = code; result = SendMessageW(infoPtr->hwndNotify, WM_NOTIFY, pnmh->idFrom, (LPARAM)pnmh); TRACE(" <= %ld\n", result); return result; } static inline int notify (const TRACKBAR_INFO *infoPtr, INT code) { NMHDR nmh; return notify_hdr(infoPtr, code, &nmh); } static void notify_with_scroll (const TRACKBAR_INFO *infoPtr, UINT code) { UINT scroll = infoPtr->dwStyle & TBS_VERT ? WM_VSCROLL : WM_HSCROLL; TRACE("%x\n", code); SendMessageW (infoPtr->hwndNotify, scroll, code, (LPARAM)infoPtr->hwndSelf); } static void TRACKBAR_RecalculateTics (TRACKBAR_INFO *infoPtr) { int tic; unsigned nrTics, i; if (infoPtr->uTicFreq && infoPtr->lRangeMax >= infoPtr->lRangeMin) { nrTics=(infoPtr->lRangeMax - infoPtr->lRangeMin)/infoPtr->uTicFreq; /* don't add extra tic if there's no remainder */ if (nrTics && ((infoPtr->lRangeMax - infoPtr->lRangeMin) % infoPtr->uTicFreq == 0)) nrTics--; } else { Free (infoPtr->tics); infoPtr->tics = NULL; infoPtr->uNumTics = 0; return; } if (nrTics != infoPtr->uNumTics) { infoPtr->tics=ReAlloc (infoPtr->tics, (nrTics+1)*sizeof (DWORD)); if (!infoPtr->tics) { infoPtr->uNumTics = 0; notify(infoPtr, NM_OUTOFMEMORY); return; } infoPtr->uNumTics = nrTics; } tic = infoPtr->lRangeMin + infoPtr->uTicFreq; for (i = 0; i < nrTics; i++, tic += infoPtr->uTicFreq) infoPtr->tics[i] = tic; } /* converts from physical (mouse) position to logical position (in range of trackbar) */ static inline LONG TRACKBAR_ConvertPlaceToPosition (const TRACKBAR_INFO *infoPtr, int place) { double range, width, pos, offsetthumb; range = infoPtr->lRangeMax - infoPtr->lRangeMin; if (infoPtr->dwStyle & TBS_VERT) { offsetthumb = (infoPtr->rcThumb.bottom - infoPtr->rcThumb.top)/2; width = infoPtr->rcChannel.bottom - infoPtr->rcChannel.top - (offsetthumb * 2) - 1; pos = (range*(place - infoPtr->rcChannel.top - offsetthumb)) / width; } else { offsetthumb = (infoPtr->rcThumb.right - infoPtr->rcThumb.left)/2; width = infoPtr->rcChannel.right - infoPtr->rcChannel.left - (offsetthumb * 2) - 1; pos = (range*(place - infoPtr->rcChannel.left - offsetthumb)) / width; } pos += infoPtr->lRangeMin; if (pos > infoPtr->lRangeMax) pos = infoPtr->lRangeMax; else if (pos < infoPtr->lRangeMin) pos = infoPtr->lRangeMin; TRACE("%.2f\n", pos); return (LONG)(pos + 0.5); } /* return: 0> prev, 0 none, >0 next */ static LONG TRACKBAR_GetAutoPageDirection (const TRACKBAR_INFO *infoPtr, POINT clickPoint) { RECT pageRect; if (infoPtr->dwStyle & TBS_VERT) { pageRect.top = infoPtr->rcChannel.top; pageRect.bottom = infoPtr->rcChannel.bottom; pageRect.left = infoPtr->rcThumb.left; pageRect.right = infoPtr->rcThumb.right; } else { pageRect.top = infoPtr->rcThumb.top; pageRect.bottom = infoPtr->rcThumb.bottom; pageRect.left = infoPtr->rcChannel.left; pageRect.right = infoPtr->rcChannel.right; } if (PtInRect(&pageRect, clickPoint)) { int clickPlace = (infoPtr->dwStyle & TBS_VERT) ? clickPoint.y : clickPoint.x; LONG clickPos = TRACKBAR_ConvertPlaceToPosition(infoPtr, clickPlace); return clickPos - infoPtr->lPos; } return 0; } static inline void TRACKBAR_PageDown (TRACKBAR_INFO *infoPtr) { if (infoPtr->lPos == infoPtr->lRangeMax) return; infoPtr->lPos += infoPtr->lPageSize; if (infoPtr->lPos > infoPtr->lRangeMax) infoPtr->lPos = infoPtr->lRangeMax; notify_with_scroll (infoPtr, TB_PAGEDOWN); } static inline void TRACKBAR_PageUp (TRACKBAR_INFO *infoPtr) { if (infoPtr->lPos == infoPtr->lRangeMin) return; infoPtr->lPos -= infoPtr->lPageSize; if (infoPtr->lPos < infoPtr->lRangeMin) infoPtr->lPos = infoPtr->lRangeMin; notify_with_scroll (infoPtr, TB_PAGEUP); } static inline void TRACKBAR_LineUp(TRACKBAR_INFO *infoPtr) { if (infoPtr->lPos == infoPtr->lRangeMin) return; infoPtr->lPos -= infoPtr->lLineSize; if (infoPtr->lPos < infoPtr->lRangeMin) infoPtr->lPos = infoPtr->lRangeMin; notify_with_scroll (infoPtr, TB_LINEUP); } static inline void TRACKBAR_LineDown(TRACKBAR_INFO *infoPtr) { if (infoPtr->lPos == infoPtr->lRangeMax) return; infoPtr->lPos += infoPtr->lLineSize; if (infoPtr->lPos > infoPtr->lRangeMax) infoPtr->lPos = infoPtr->lRangeMax; notify_with_scroll (infoPtr, TB_LINEDOWN); } static void TRACKBAR_CalcChannel (TRACKBAR_INFO *infoPtr) { INT cyChannel, offsetthumb, offsetedge; RECT lpRect, *channel = & infoPtr->rcChannel; GetClientRect (infoPtr->hwndSelf, &lpRect); offsetthumb = infoPtr->uThumbLen / 4; offsetedge = offsetthumb + 3; cyChannel = (infoPtr->dwStyle & TBS_ENABLESELRANGE) ? offsetthumb*3 : 4; if (infoPtr->dwStyle & TBS_VERT) { channel->top = lpRect.top + offsetedge; channel->bottom = lpRect.bottom - offsetedge; if (infoPtr->dwStyle & TBS_ENABLESELRANGE) channel->left = lpRect.left + ((infoPtr->uThumbLen - cyChannel + 2) / 2); else channel->left = lpRect.left + (infoPtr->uThumbLen / 2) - 1; if (infoPtr->dwStyle & TBS_BOTH) { if (infoPtr->dwStyle & TBS_NOTICKS) channel->left += 1; else channel->left += 9; } else if (infoPtr->dwStyle & TBS_TOP) { if (infoPtr->dwStyle & TBS_NOTICKS) channel->left += 2; else channel->left += 10; } channel->right = channel->left + cyChannel; } else { channel->left = lpRect.left + offsetedge; channel->right = lpRect.right - offsetedge; if (infoPtr->dwStyle & TBS_ENABLESELRANGE) channel->top = lpRect.top + ((infoPtr->uThumbLen - cyChannel + 2) / 2); else channel->top = lpRect.top + (infoPtr->uThumbLen / 2) - 1; if (infoPtr->dwStyle & TBS_BOTH) { if (infoPtr->dwStyle & TBS_NOTICKS) channel->top += 1; else channel->top += 9; } else if (infoPtr->dwStyle & TBS_TOP) { if (infoPtr->dwStyle & TBS_NOTICKS) channel->top += 2; else channel->top += 10; } channel->bottom = channel->top + cyChannel; } } static void TRACKBAR_CalcThumb (const TRACKBAR_INFO *infoPtr, LONG lPos, RECT *thumb) { int range, width, height, thumbwidth; RECT lpRect; range = infoPtr->lRangeMax - infoPtr->lRangeMin; thumbwidth = (infoPtr->uThumbLen / 2) | 1; if (!range) range = 1; GetClientRect(infoPtr->hwndSelf, &lpRect); if (infoPtr->dwStyle & TBS_VERT) { height = infoPtr->rcChannel.bottom - infoPtr->rcChannel.top - thumbwidth; if ((infoPtr->dwStyle & (TBS_BOTH | TBS_LEFT)) && !(infoPtr->dwStyle & TBS_NOTICKS)) thumb->left = 10; else thumb->left = 2; thumb->right = thumb->left + infoPtr->uThumbLen; thumb->top = infoPtr->rcChannel.top + (height*(lPos - infoPtr->lRangeMin))/range; thumb->bottom = thumb->top + thumbwidth; } else { width = infoPtr->rcChannel.right - infoPtr->rcChannel.left - thumbwidth; thumb->left = infoPtr->rcChannel.left + (width*(lPos - infoPtr->lRangeMin))/range; thumb->right = thumb->left + thumbwidth; if ((infoPtr->dwStyle & (TBS_BOTH | TBS_TOP)) && !(infoPtr->dwStyle & TBS_NOTICKS)) thumb->top = 10; else thumb->top = 2; thumb->bottom = thumb->top + infoPtr->uThumbLen; } } static inline void TRACKBAR_UpdateThumb (TRACKBAR_INFO *infoPtr) { TRACKBAR_CalcThumb(infoPtr, infoPtr->lPos, &infoPtr->rcThumb); } static inline void TRACKBAR_InvalidateAll (const TRACKBAR_INFO *infoPtr) { InvalidateRect(infoPtr->hwndSelf, NULL, FALSE); } static void TRACKBAR_InvalidateThumb (const TRACKBAR_INFO *infoPtr, LONG thumbPos) { RECT rcThumb; TRACKBAR_CalcThumb(infoPtr, thumbPos, &rcThumb); InflateRect(&rcThumb, 1, 1); InvalidateRect(infoPtr->hwndSelf, &rcThumb, FALSE); } static inline void TRACKBAR_InvalidateThumbMove (const TRACKBAR_INFO *infoPtr, LONG oldPos, LONG newPos) { TRACKBAR_InvalidateThumb (infoPtr, oldPos); if (newPos != oldPos) TRACKBAR_InvalidateThumb (infoPtr, newPos); } static inline BOOL TRACKBAR_HasSelection (const TRACKBAR_INFO *infoPtr) { return infoPtr->lSelMin != infoPtr->lSelMax; } static void TRACKBAR_CalcSelection (TRACKBAR_INFO *infoPtr) { RECT *selection = &infoPtr->rcSelection; int range = infoPtr->lRangeMax - infoPtr->lRangeMin; int offsetthumb, height, width; if (range <= 0) { SetRectEmpty (selection); } else { if (infoPtr->dwStyle & TBS_VERT) { offsetthumb = (infoPtr->rcThumb.bottom - infoPtr->rcThumb.top)/2; height = infoPtr->rcChannel.bottom - infoPtr->rcChannel.top - offsetthumb*2; selection->top = infoPtr->rcChannel.top + offsetthumb + (height*infoPtr->lSelMin)/range; selection->bottom = infoPtr->rcChannel.top + offsetthumb + (height*infoPtr->lSelMax)/range; selection->left = infoPtr->rcChannel.left + 3; selection->right = infoPtr->rcChannel.right - 3; } else { offsetthumb = (infoPtr->rcThumb.right - infoPtr->rcThumb.left)/2; width = infoPtr->rcChannel.right - infoPtr->rcChannel.left - offsetthumb*2; selection->left = infoPtr->rcChannel.left + offsetthumb + (width*infoPtr->lSelMin)/range; selection->right = infoPtr->rcChannel.left + offsetthumb + (width*infoPtr->lSelMax)/range; selection->top = infoPtr->rcChannel.top + 3; selection->bottom = infoPtr->rcChannel.bottom - 3; } } TRACE("selection[%s]\n", wine_dbgstr_rect(selection)); } static BOOL TRACKBAR_AutoPage (TRACKBAR_INFO *infoPtr, POINT clickPoint) { LONG dir = TRACKBAR_GetAutoPageDirection(infoPtr, clickPoint); LONG prevPos = infoPtr->lPos; TRACE("x=%d, y=%d, dir=%d\n", clickPoint.x, clickPoint.y, dir); if (dir > 0 && (infoPtr->flags & TB_AUTO_PAGE_RIGHT)) TRACKBAR_PageDown(infoPtr); else if (dir < 0 && (infoPtr->flags & TB_AUTO_PAGE_LEFT)) TRACKBAR_PageUp(infoPtr); else return FALSE; TRACKBAR_UpdateThumb (infoPtr); TRACKBAR_InvalidateThumbMove (infoPtr, prevPos, infoPtr->lPos); return TRUE; } /* Trackbar drawing code. I like my spaghetti done milanese. */ static void TRACKBAR_DrawChannel (const TRACKBAR_INFO *infoPtr, HDC hdc) { RECT rcChannel = infoPtr->rcChannel; HTHEME theme = GetWindowTheme (infoPtr->hwndSelf); if (theme) { DrawThemeBackground (theme, hdc, (infoPtr->dwStyle & TBS_VERT) ? TKP_TRACKVERT : TKP_TRACK, TKS_NORMAL, &rcChannel, 0); } else { DrawEdge (hdc, &rcChannel, EDGE_SUNKEN, BF_RECT | BF_ADJUST); if (infoPtr->dwStyle & TBS_ENABLESELRANGE) { /* fill the channel */ FillRect (hdc, &rcChannel, GetStockObject(WHITE_BRUSH)); if (TRACKBAR_HasSelection(infoPtr)) FillRect (hdc, &infoPtr->rcSelection, GetSysColorBrush(COLOR_HIGHLIGHT)); } } } static void TRACKBAR_DrawOneTic (const TRACKBAR_INFO *infoPtr, HDC hdc, LONG ticPos, int flags) { int x, y, ox, oy, range, side, indent = 0, len = 3; int offsetthumb; RECT rcTics; if (flags & TBS_VERT) { offsetthumb = (infoPtr->rcThumb.bottom - infoPtr->rcThumb.top)/2; rcTics.left = infoPtr->rcThumb.left - 2; rcTics.right = infoPtr->rcThumb.right + 2; rcTics.top = infoPtr->rcChannel.top + offsetthumb; rcTics.bottom = infoPtr->rcChannel.bottom - offsetthumb - 1; } else { offsetthumb = (infoPtr->rcThumb.right - infoPtr->rcThumb.left)/2; rcTics.left = infoPtr->rcChannel.left + offsetthumb; rcTics.right = infoPtr->rcChannel.right - offsetthumb - 1; rcTics.top = infoPtr->rcThumb.top - 2; rcTics.bottom = infoPtr->rcThumb.bottom + 2; } if (flags & (TBS_TOP | TBS_LEFT)) { x = rcTics.left; y = rcTics.top; side = -1; } else { x = rcTics.right; y = rcTics.bottom; side = 1; } range = infoPtr->lRangeMax - infoPtr->lRangeMin; if (range <= 0) range = 1; /* to avoid division by zero */ if (flags & TIC_SELECTIONMARK) { indent = (flags & TIC_SELECTIONMARKMIN) ? -1 : 1; } else if (flags & TIC_EDGE) { len++; } if (flags & TBS_VERT) { int height = rcTics.bottom - rcTics.top; y = rcTics.top + (height*(ticPos - infoPtr->lRangeMin))/range; } else { int width = rcTics.right - rcTics.left; x = rcTics.left + (width*(ticPos - infoPtr->lRangeMin))/range; } ox = x; oy = y; MoveToEx(hdc, x, y, 0); if (flags & TBS_VERT) x += len * side; else y += len * side; LineTo(hdc, x, y); if (flags & TIC_SELECTIONMARK) { if (flags & TBS_VERT) { x -= side; } else { y -= side; } MoveToEx(hdc, x, y, 0); if (flags & TBS_VERT) { y += 2 * indent; } else { x += 2 * indent; } LineTo(hdc, x, y); LineTo(hdc, ox, oy); } } static inline void TRACKBAR_DrawTic (const TRACKBAR_INFO *infoPtr, HDC hdc, LONG ticPos, int flags) { if ((flags & (TBS_LEFT | TBS_TOP)) || (flags & TBS_BOTH)) TRACKBAR_DrawOneTic (infoPtr, hdc, ticPos, flags | TBS_LEFT); if (!(flags & (TBS_LEFT | TBS_TOP)) || (flags & TBS_BOTH)) TRACKBAR_DrawOneTic (infoPtr, hdc, ticPos, flags & ~TBS_LEFT); } static void TRACKBAR_DrawTics (const TRACKBAR_INFO *infoPtr, HDC hdc) { unsigned int i; int ticFlags = infoPtr->dwStyle & 0x0f; LOGPEN ticPen = { PS_SOLID, {1, 0}, GetSysColor (COLOR_3DDKSHADOW) }; HPEN hOldPen, hTicPen; HTHEME theme = GetWindowTheme (infoPtr->hwndSelf); if (theme) { int part = (infoPtr->dwStyle & TBS_VERT) ? TKP_TICSVERT : TKP_TICS; GetThemeColor (theme, part, TSS_NORMAL, TMT_COLOR, &ticPen.lopnColor); } /* create the pen to draw the tics with */ hTicPen = CreatePenIndirect(&ticPen); hOldPen = hTicPen ? SelectObject(hdc, hTicPen) : 0; /* actually draw the tics */ for (i=0; i<infoPtr->uNumTics; i++) TRACKBAR_DrawTic (infoPtr, hdc, infoPtr->tics[i], ticFlags); TRACKBAR_DrawTic (infoPtr, hdc, infoPtr->lRangeMin, ticFlags | TIC_EDGE); TRACKBAR_DrawTic (infoPtr, hdc, infoPtr->lRangeMax, ticFlags | TIC_EDGE); if ((infoPtr->dwStyle & TBS_ENABLESELRANGE) && TRACKBAR_HasSelection(infoPtr)) { TRACKBAR_DrawTic (infoPtr, hdc, infoPtr->lSelMin, ticFlags | TIC_SELECTIONMARKMIN); TRACKBAR_DrawTic (infoPtr, hdc, infoPtr->lSelMax, ticFlags | TIC_SELECTIONMARKMAX); } /* clean up the pen, if we created one */ if (hTicPen) { SelectObject(hdc, hOldPen); DeleteObject(hTicPen); } } static int TRACKBAR_FillThumb (const TRACKBAR_INFO *infoPtr, HDC hdc, HBRUSH hbrush) { const RECT *thumb = &infoPtr->rcThumb; POINT points[6]; int PointDepth; HBRUSH oldbr; if (infoPtr->dwStyle & TBS_BOTH) { FillRect(hdc, thumb, hbrush); return 0; } if (infoPtr->dwStyle & TBS_VERT) { PointDepth = (thumb->bottom - thumb->top) / 2; if (infoPtr->dwStyle & TBS_LEFT) { points[0].x = thumb->right-1; points[0].y = thumb->top; points[1].x = thumb->right-1; points[1].y = thumb->bottom-1; points[2].x = thumb->left + PointDepth; points[2].y = thumb->bottom-1; points[3].x = thumb->left; points[3].y = thumb->top + PointDepth; points[4].x = thumb->left + PointDepth; points[4].y = thumb->top; points[5].x = points[0].x; points[5].y = points[0].y; } else { points[0].x = thumb->right; points[0].y = thumb->top + PointDepth; points[1].x = thumb->right - PointDepth; points[1].y = thumb->bottom-1; points[2].x = thumb->left; points[2].y = thumb->bottom-1; points[3].x = thumb->left; points[3].y = thumb->top; points[4].x = thumb->right - PointDepth; points[4].y = thumb->top; points[5].x = points[0].x; points[5].y = points[0].y; } } else { PointDepth = (thumb->right - thumb->left) / 2; if (infoPtr->dwStyle & TBS_TOP) { points[0].x = thumb->left + PointDepth; points[0].y = thumb->top+1; points[1].x = thumb->right-1; points[1].y = thumb->top + PointDepth + 1; points[2].x = thumb->right-1; points[2].y = thumb->bottom-1; points[3].x = thumb->left; points[3].y = thumb->bottom-1; points[4].x = thumb->left; points[4].y = thumb->top + PointDepth + 1; points[5].x = points[0].x; points[5].y = points[0].y; } else { points[0].x = thumb->right-1; points[0].y = thumb->top; points[1].x = thumb->right-1; points[1].y = thumb->bottom - PointDepth - 1; points[2].x = thumb->left + PointDepth; points[2].y = thumb->bottom-1; points[3].x = thumb->left; points[3].y = thumb->bottom - PointDepth - 1; points[4].x = thumb->left; points[4].y = thumb->top; points[5].x = points[0].x; points[5].y = points[0].y; } } oldbr = SelectObject(hdc, hbrush); SetPolyFillMode(hdc, WINDING); Polygon(hdc, points, sizeof(points) / sizeof(points[0])); SelectObject(hdc, oldbr); return PointDepth; } static void TRACKBAR_DrawThumb (TRACKBAR_INFO *infoPtr, HDC hdc) { HTHEME theme = GetWindowTheme (infoPtr->hwndSelf); int PointDepth; HBRUSH brush; if (theme) { int partId; int stateId; if (infoPtr->dwStyle & TBS_BOTH) partId = (infoPtr->dwStyle & TBS_VERT) ? TKP_THUMBVERT : TKP_THUMB; else if (infoPtr->dwStyle & TBS_LEFT) partId = (infoPtr->dwStyle & TBS_VERT) ? TKP_THUMBLEFT : TKP_THUMBTOP; else partId = (infoPtr->dwStyle & TBS_VERT) ? TKP_THUMBRIGHT : TKP_THUMBBOTTOM; if (infoPtr->dwStyle & WS_DISABLED) stateId = TUS_DISABLED; else if (infoPtr->flags & TB_DRAG_MODE) stateId = TUS_PRESSED; else if (infoPtr->flags & TB_THUMB_HOT) stateId = TUS_HOT; else stateId = TUS_NORMAL; DrawThemeBackground (theme, hdc, partId, stateId, &infoPtr->rcThumb, NULL); return; } if (infoPtr->dwStyle & WS_DISABLED || infoPtr->flags & TB_DRAG_MODE) { if (comctl32_color.clr3dHilight == comctl32_color.clrWindow) brush = COMCTL32_hPattern55AABrush; else brush = GetSysColorBrush(COLOR_SCROLLBAR); SetTextColor(hdc, comctl32_color.clr3dFace); SetBkColor(hdc, comctl32_color.clr3dHilight); } else brush = GetSysColorBrush(COLOR_BTNFACE); PointDepth = TRACKBAR_FillThumb(infoPtr, hdc, brush); if (infoPtr->dwStyle & TBS_BOTH) { DrawEdge(hdc, &infoPtr->rcThumb, EDGE_RAISED, BF_RECT | BF_SOFT); return; } else { RECT thumb = infoPtr->rcThumb; if (infoPtr->dwStyle & TBS_VERT) { if (infoPtr->dwStyle & TBS_LEFT) { /* rectangular part */ thumb.left += PointDepth; DrawEdge(hdc, &thumb, EDGE_RAISED, BF_TOP | BF_RIGHT | BF_BOTTOM | BF_SOFT); /* light edge */ thumb.left -= PointDepth; thumb.right = thumb.left + PointDepth; thumb.bottom = infoPtr->rcThumb.top + PointDepth + 1; thumb.top = infoPtr->rcThumb.top; DrawEdge(hdc, &thumb, EDGE_RAISED, BF_DIAGONAL_ENDTOPRIGHT | BF_SOFT); /* shadowed edge */ thumb.top += PointDepth; thumb.bottom += PointDepth; DrawEdge(hdc, &thumb, EDGE_SUNKEN, BF_DIAGONAL_ENDTOPLEFT | BF_SOFT); return; } else { /* rectangular part */ thumb.right -= PointDepth; DrawEdge(hdc, &thumb, EDGE_RAISED, BF_TOP | BF_LEFT | BF_BOTTOM | BF_SOFT); /* light edge */ thumb.left = thumb.right; thumb.right += PointDepth + 1; thumb.bottom = infoPtr->rcThumb.top + PointDepth + 1; thumb.top = infoPtr->rcThumb.top; DrawEdge(hdc, &thumb, EDGE_RAISED, BF_DIAGONAL_ENDTOPLEFT | BF_SOFT); /* shadowed edge */ thumb.top += PointDepth; thumb.bottom += PointDepth; DrawEdge(hdc, &thumb, EDGE_RAISED, BF_DIAGONAL_ENDBOTTOMLEFT | BF_SOFT); } } else { if (infoPtr->dwStyle & TBS_TOP) { /* rectangular part */ thumb.top += PointDepth; DrawEdge(hdc, &thumb, EDGE_RAISED, BF_LEFT | BF_BOTTOM | BF_RIGHT | BF_SOFT); /* light edge */ thumb.left = infoPtr->rcThumb.left; thumb.right = thumb.left + PointDepth; thumb.bottom = infoPtr->rcThumb.top + PointDepth + 1; thumb.top -= PointDepth; DrawEdge(hdc, &thumb, EDGE_RAISED, BF_DIAGONAL_ENDTOPRIGHT | BF_SOFT); /* shadowed edge */ thumb.left += PointDepth; thumb.right += PointDepth; DrawEdge(hdc, &thumb, EDGE_RAISED, BF_DIAGONAL_ENDBOTTOMRIGHT | BF_SOFT); } else { /* rectangular part */ thumb.bottom -= PointDepth; DrawEdge(hdc, &thumb, EDGE_RAISED, BF_LEFT | BF_TOP | BF_RIGHT | BF_SOFT); /* light edge */ thumb.left = infoPtr->rcThumb.left; thumb.right = thumb.left + PointDepth; thumb.top = infoPtr->rcThumb.bottom - PointDepth - 1; thumb.bottom += PointDepth; DrawEdge(hdc, &thumb, EDGE_RAISED, BF_DIAGONAL_ENDTOPLEFT | BF_SOFT); /* shadowed edge */ thumb.left += PointDepth; thumb.right += PointDepth; DrawEdge(hdc, &thumb, EDGE_RAISED, BF_DIAGONAL_ENDBOTTOMLEFT | BF_SOFT); } } } } static inline void TRACKBAR_ActivateToolTip (const TRACKBAR_INFO *infoPtr, BOOL fShow) { TTTOOLINFOW ti; if (!infoPtr->hwndToolTip) return; ZeroMemory(&ti, sizeof(ti)); ti.cbSize = sizeof(ti); ti.hwnd = infoPtr->hwndSelf; SendMessageW (infoPtr->hwndToolTip, TTM_TRACKACTIVATE, fShow, (LPARAM)&ti); } static void TRACKBAR_UpdateToolTip (const TRACKBAR_INFO *infoPtr) { WCHAR buf[80]; static const WCHAR fmt[] = { '%', 'l', 'd', 0 }; TTTOOLINFOW ti; POINT pt; RECT rcClient; LRESULT size; if (!infoPtr->hwndToolTip) return; ZeroMemory(&ti, sizeof(ti)); ti.cbSize = sizeof(ti); ti.hwnd = infoPtr->hwndSelf; ti.uFlags = TTF_IDISHWND | TTF_TRACK | TTF_ABSOLUTE; wsprintfW (buf, fmt, infoPtr->lPos); ti.lpszText = buf; SendMessageW (infoPtr->hwndToolTip, TTM_UPDATETIPTEXTW, 0, (LPARAM)&ti); GetClientRect (infoPtr->hwndSelf, &rcClient); size = SendMessageW (infoPtr->hwndToolTip, TTM_GETBUBBLESIZE, 0, (LPARAM)&ti); if (infoPtr->dwStyle & TBS_VERT) { if (infoPtr->fLocation == TBTS_LEFT) pt.x = 0 - LOWORD(size) - TOOLTIP_OFFSET; else pt.x = rcClient.right + TOOLTIP_OFFSET; pt.y = (infoPtr->rcThumb.top + infoPtr->rcThumb.bottom - HIWORD(size))/2; } else { if (infoPtr->fLocation == TBTS_TOP) pt.y = 0 - HIWORD(size) - TOOLTIP_OFFSET; else pt.y = rcClient.bottom + TOOLTIP_OFFSET; pt.x = (infoPtr->rcThumb.left + infoPtr->rcThumb.right - LOWORD(size))/2; } ClientToScreen(infoPtr->hwndSelf, &pt); SendMessageW (infoPtr->hwndToolTip, TTM_TRACKPOSITION, 0, MAKELPARAM(pt.x, pt.y)); } static void TRACKBAR_Refresh (TRACKBAR_INFO *infoPtr, HDC hdcDst) { RECT rcClient; HDC hdc; HBITMAP hOldBmp = 0, hOffScreenBmp = 0; NMCUSTOMDRAW nmcd; int gcdrf, icdrf; if (infoPtr->flags & TB_THUMBCHANGED) { TRACKBAR_UpdateThumb (infoPtr); if (infoPtr->flags & TB_THUMBSIZECHANGED) TRACKBAR_CalcChannel (infoPtr); } if (infoPtr->flags & TB_SELECTIONCHANGED) TRACKBAR_CalcSelection (infoPtr); if (infoPtr->flags & TB_DRAG_MODE) TRACKBAR_UpdateToolTip (infoPtr); infoPtr->flags &= ~ (TB_THUMBCHANGED | TB_SELECTIONCHANGED); GetClientRect (infoPtr->hwndSelf, &rcClient); /* try to render offscreen, if we fail, carrry onscreen */ hdc = CreateCompatibleDC(hdcDst); if (hdc) { hOffScreenBmp = CreateCompatibleBitmap(hdcDst, rcClient.right, rcClient.bottom); if (hOffScreenBmp) { hOldBmp = SelectObject(hdc, hOffScreenBmp); } else { DeleteObject(hdc); hdc = hdcDst; } } else { hdc = hdcDst; } ZeroMemory(&nmcd, sizeof(nmcd)); nmcd.hdr.hwndFrom = infoPtr->hwndSelf; nmcd.hdr.idFrom = GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_ID); nmcd.hdr.code = NM_CUSTOMDRAW; nmcd.hdc = hdc; /* start the paint cycle */ nmcd.rc = rcClient; gcdrf = notify_customdraw(infoPtr, &nmcd, CDDS_PREPAINT); if (gcdrf & CDRF_SKIPDEFAULT) goto cleanup; /* Erase background */ if (gcdrf == CDRF_DODEFAULT || notify_customdraw(infoPtr, &nmcd, CDDS_PREERASE) != CDRF_SKIPDEFAULT) { if (GetWindowTheme (infoPtr->hwndSelf)) { DrawThemeParentBackground (infoPtr->hwndSelf, hdc, 0); } else FillRect (hdc, &rcClient, GetSysColorBrush(COLOR_BTNFACE)); if (gcdrf != CDRF_DODEFAULT) notify_customdraw(infoPtr, &nmcd, CDDS_POSTERASE); } /* draw channel */ if (gcdrf & CDRF_NOTIFYITEMDRAW) { nmcd.dwItemSpec = TBCD_CHANNEL; nmcd.uItemState = CDIS_DEFAULT; nmcd.rc = infoPtr->rcChannel; icdrf = notify_customdraw(infoPtr, &nmcd, CDDS_ITEMPREPAINT); } else icdrf = CDRF_DODEFAULT; if ( !(icdrf & CDRF_SKIPDEFAULT) ) { TRACKBAR_DrawChannel (infoPtr, hdc); if (icdrf & CDRF_NOTIFYPOSTPAINT) notify_customdraw(infoPtr, &nmcd, CDDS_ITEMPOSTPAINT); } /* draw tics */ if (!(infoPtr->dwStyle & TBS_NOTICKS)) { if (gcdrf & CDRF_NOTIFYITEMDRAW) { nmcd.dwItemSpec = TBCD_TICS; nmcd.uItemState = CDIS_DEFAULT; nmcd.rc = rcClient; icdrf = notify_customdraw(infoPtr, &nmcd, CDDS_ITEMPREPAINT); } else icdrf = CDRF_DODEFAULT; if ( !(icdrf & CDRF_SKIPDEFAULT) ) { TRACKBAR_DrawTics (infoPtr, hdc); if (icdrf & CDRF_NOTIFYPOSTPAINT) notify_customdraw(infoPtr, &nmcd, CDDS_ITEMPOSTPAINT); } } /* draw thumb */ if (!(infoPtr->dwStyle & TBS_NOTHUMB)) { if (gcdrf & CDRF_NOTIFYITEMDRAW) { nmcd.dwItemSpec = TBCD_THUMB; nmcd.uItemState = infoPtr->flags & TB_DRAG_MODE ? CDIS_HOT : CDIS_DEFAULT; nmcd.rc = infoPtr->rcThumb; icdrf = notify_customdraw(infoPtr, &nmcd, CDDS_ITEMPREPAINT); } else icdrf = CDRF_DODEFAULT; if ( !(icdrf & CDRF_SKIPDEFAULT) ) { TRACKBAR_DrawThumb(infoPtr, hdc); if (icdrf & CDRF_NOTIFYPOSTPAINT) notify_customdraw(infoPtr, &nmcd, CDDS_ITEMPOSTPAINT); } } /* draw focus rectangle */ if (infoPtr->bFocussed) { DrawFocusRect(hdc, &rcClient); } /* finish up the painting */ if (gcdrf & CDRF_NOTIFYPOSTPAINT) notify_customdraw(infoPtr, &nmcd, CDDS_POSTPAINT); cleanup: /* cleanup, if we rendered offscreen */ if (hdc != hdcDst) { BitBlt(hdcDst, 0, 0, rcClient.right, rcClient.bottom, hdc, 0, 0, SRCCOPY); SelectObject(hdc, hOldBmp); DeleteObject(hOffScreenBmp); DeleteObject(hdc); } } static void TRACKBAR_AlignBuddies (const TRACKBAR_INFO *infoPtr) { HWND hwndParent = GetParent (infoPtr->hwndSelf); RECT rcSelf, rcBuddy; INT x, y; GetWindowRect (infoPtr->hwndSelf, &rcSelf); MapWindowPoints (HWND_DESKTOP, hwndParent, (LPPOINT)&rcSelf, 2); /* align buddy left or above */ if (infoPtr->hwndBuddyLA) { GetWindowRect (infoPtr->hwndBuddyLA, &rcBuddy); MapWindowPoints (HWND_DESKTOP, hwndParent, (LPPOINT)&rcBuddy, 2); if (infoPtr->dwStyle & TBS_VERT) { x = (infoPtr->rcChannel.right + infoPtr->rcChannel.left) / 2 - (rcBuddy.right - rcBuddy.left) / 2 + rcSelf.left; y = rcSelf.top - (rcBuddy.bottom - rcBuddy.top); } else { x = rcSelf.left - (rcBuddy.right - rcBuddy.left); y = (infoPtr->rcChannel.bottom + infoPtr->rcChannel.top) / 2 - (rcBuddy.bottom - rcBuddy.top) / 2 + rcSelf.top; } SetWindowPos (infoPtr->hwndBuddyLA, 0, x, y, 0, 0, SWP_NOZORDER | SWP_NOSIZE); } /* align buddy right or below */ if (infoPtr->hwndBuddyRB) { GetWindowRect (infoPtr->hwndBuddyRB, &rcBuddy); MapWindowPoints (HWND_DESKTOP, hwndParent, (LPPOINT)&rcBuddy, 2); if (infoPtr->dwStyle & TBS_VERT) { x = (infoPtr->rcChannel.right + infoPtr->rcChannel.left) / 2 - (rcBuddy.right - rcBuddy.left) / 2 + rcSelf.left; y = rcSelf.bottom; } else { x = rcSelf.right; y = (infoPtr->rcChannel.bottom + infoPtr->rcChannel.top) / 2 - (rcBuddy.bottom - rcBuddy.top) / 2 + rcSelf.top; } SetWindowPos (infoPtr->hwndBuddyRB, 0, x, y, 0, 0, SWP_NOZORDER | SWP_NOSIZE); } } static LRESULT TRACKBAR_ClearSel (TRACKBAR_INFO *infoPtr, BOOL fRedraw) { infoPtr->lSelMin = 0; infoPtr->lSelMax = 0; infoPtr->flags |= TB_SELECTIONCHANGED; if (fRedraw) TRACKBAR_InvalidateAll(infoPtr); return 0; } static LRESULT TRACKBAR_ClearTics (TRACKBAR_INFO *infoPtr, BOOL fRedraw) { if (infoPtr->tics) { Free (infoPtr->tics); infoPtr->tics = NULL; infoPtr->uNumTics = 0; } if (fRedraw) TRACKBAR_InvalidateAll(infoPtr); return 0; } static inline LRESULT TRACKBAR_GetChannelRect (const TRACKBAR_INFO *infoPtr, LPRECT lprc) { if (lprc == NULL) return 0; lprc->left = infoPtr->rcChannel.left; lprc->right = infoPtr->rcChannel.right; lprc->bottom = infoPtr->rcChannel.bottom; lprc->top = infoPtr->rcChannel.top; return 0; } static inline LONG TRACKBAR_GetNumTics (const TRACKBAR_INFO *infoPtr) { if (infoPtr->dwStyle & TBS_NOTICKS) return 0; return infoPtr->uNumTics + 2; } static int comp_tics (const void *ap, const void *bp) { const DWORD a = *(const DWORD *)ap; const DWORD b = *(const DWORD *)bp; TRACE("(a=%d, b=%d)\n", a, b); if (a < b) return -1; if (a > b) return 1; return 0; } static inline LONG TRACKBAR_GetTic (const TRACKBAR_INFO *infoPtr, INT iTic) { if ((iTic < 0) || (iTic >= infoPtr->uNumTics) || !infoPtr->tics) return -1; qsort(infoPtr->tics, infoPtr->uNumTics, sizeof(DWORD), comp_tics); return infoPtr->tics[iTic]; } static inline LONG TRACKBAR_GetTicPos (const TRACKBAR_INFO *infoPtr, INT iTic) { LONG range, width, pos, tic; int offsetthumb; if ((iTic < 0) || (iTic >= infoPtr->uNumTics) || !infoPtr->tics) return -1; tic = TRACKBAR_GetTic (infoPtr, iTic); range = infoPtr->lRangeMax - infoPtr->lRangeMin; if (range <= 0) range = 1; offsetthumb = (infoPtr->rcThumb.right - infoPtr->rcThumb.left)/2; width = infoPtr->rcChannel.right - infoPtr->rcChannel.left - offsetthumb*2; pos = infoPtr->rcChannel.left + offsetthumb + (width * tic) / range; return pos; } static HWND TRACKBAR_SetBuddy (TRACKBAR_INFO *infoPtr, BOOL fLocation, HWND hwndBuddy) { HWND hwndTemp; if (fLocation) { /* buddy is left or above */ hwndTemp = infoPtr->hwndBuddyLA; infoPtr->hwndBuddyLA = hwndBuddy; } else { /* buddy is right or below */ hwndTemp = infoPtr->hwndBuddyRB; infoPtr->hwndBuddyRB = hwndBuddy; } TRACKBAR_AlignBuddies (infoPtr); return hwndTemp; } static inline LONG TRACKBAR_SetLineSize (TRACKBAR_INFO *infoPtr, LONG lLineSize) { LONG lTemp = infoPtr->lLineSize; infoPtr->lLineSize = lLineSize; return lTemp; } static inline LONG TRACKBAR_SetPageSize (TRACKBAR_INFO *infoPtr, LONG lPageSize) { LONG lTemp = infoPtr->lPageSize; if (lPageSize != -1) infoPtr->lPageSize = lPageSize; else infoPtr->lPageSize = TB_DEFAULTPAGESIZE; return lTemp; } static inline LRESULT TRACKBAR_SetPos (TRACKBAR_INFO *infoPtr, BOOL fPosition, LONG lPosition) { LONG oldPos = infoPtr->lPos; infoPtr->lPos = lPosition; if (infoPtr->lPos < infoPtr->lRangeMin) infoPtr->lPos = infoPtr->lRangeMin; if (infoPtr->lPos > infoPtr->lRangeMax) infoPtr->lPos = infoPtr->lRangeMax; infoPtr->flags |= TB_THUMBPOSCHANGED; if (fPosition && oldPos != lPosition) TRACKBAR_InvalidateThumbMove(infoPtr, oldPos, lPosition); return 0; } static inline LRESULT TRACKBAR_SetRange (TRACKBAR_INFO *infoPtr, BOOL redraw, LONG range) { BOOL changed = infoPtr->lRangeMin != (SHORT)LOWORD(range) || infoPtr->lRangeMax != (SHORT)HIWORD(range); infoPtr->lRangeMin = (SHORT)LOWORD(range); infoPtr->lRangeMax = (SHORT)HIWORD(range); if (infoPtr->lPos < infoPtr->lRangeMin) { infoPtr->lPos = infoPtr->lRangeMin; infoPtr->flags |= TB_THUMBPOSCHANGED; } if (infoPtr->lPos > infoPtr->lRangeMax) { infoPtr->lPos = infoPtr->lRangeMax; infoPtr->flags |= TB_THUMBPOSCHANGED; } infoPtr->lPageSize = (infoPtr->lRangeMax - infoPtr->lRangeMin) / 5; if (infoPtr->lPageSize == 0) infoPtr->lPageSize = 1; if (changed && (infoPtr->dwStyle & TBS_AUTOTICKS)) TRACKBAR_RecalculateTics (infoPtr); if (redraw) TRACKBAR_InvalidateAll(infoPtr); return 0; } static inline LRESULT TRACKBAR_SetRangeMax (TRACKBAR_INFO *infoPtr, BOOL redraw, LONG lMax) { BOOL changed = infoPtr->lRangeMax != lMax; infoPtr->lRangeMax = lMax; if (infoPtr->lPos > infoPtr->lRangeMax) { infoPtr->lPos = infoPtr->lRangeMax; infoPtr->flags |= TB_THUMBPOSCHANGED; } infoPtr->lPageSize = (infoPtr->lRangeMax - infoPtr->lRangeMin) / 5; if (infoPtr->lPageSize == 0) infoPtr->lPageSize = 1; if (changed && (infoPtr->dwStyle & TBS_AUTOTICKS)) TRACKBAR_RecalculateTics (infoPtr); if (redraw) TRACKBAR_InvalidateAll(infoPtr); return 0; } static inline LRESULT TRACKBAR_SetRangeMin (TRACKBAR_INFO *infoPtr, BOOL redraw, LONG lMin) { BOOL changed = infoPtr->lRangeMin != lMin; infoPtr->lRangeMin = lMin; if (infoPtr->lPos < infoPtr->lRangeMin) { infoPtr->lPos = infoPtr->lRangeMin; infoPtr->flags |= TB_THUMBPOSCHANGED; } infoPtr->lPageSize = (infoPtr->lRangeMax - infoPtr->lRangeMin) / 5; if (infoPtr->lPageSize == 0) infoPtr->lPageSize = 1; if (changed && (infoPtr->dwStyle & TBS_AUTOTICKS)) TRACKBAR_RecalculateTics (infoPtr); if (redraw) TRACKBAR_InvalidateAll(infoPtr); return 0; } static inline LRESULT TRACKBAR_SetSel (TRACKBAR_INFO *infoPtr, BOOL fRedraw, LONG lSel) { if (!(infoPtr->dwStyle & TBS_ENABLESELRANGE)){ infoPtr->lSelMin = 0; infoPtr->lSelMax = 0; return 0; } infoPtr->lSelMin = (SHORT)LOWORD(lSel); infoPtr->lSelMax = (SHORT)HIWORD(lSel); infoPtr->flags |= TB_SELECTIONCHANGED; if (infoPtr->lSelMin < infoPtr->lRangeMin) infoPtr->lSelMin = infoPtr->lRangeMin; if (infoPtr->lSelMax > infoPtr->lRangeMax) infoPtr->lSelMax = infoPtr->lRangeMax; if (fRedraw) TRACKBAR_InvalidateAll(infoPtr); return 0; } static inline LRESULT TRACKBAR_SetSelEnd (TRACKBAR_INFO *infoPtr, BOOL fRedraw, LONG lEnd) { if (!(infoPtr->dwStyle & TBS_ENABLESELRANGE)){ infoPtr->lSelMax = 0; return 0; } infoPtr->lSelMax = lEnd; infoPtr->flags |= TB_SELECTIONCHANGED; if (infoPtr->lSelMax > infoPtr->lRangeMax) infoPtr->lSelMax = infoPtr->lRangeMax; if (fRedraw) TRACKBAR_InvalidateAll(infoPtr); return 0; } static inline LRESULT TRACKBAR_SetSelStart (TRACKBAR_INFO *infoPtr, BOOL fRedraw, LONG lStart) { if (!(infoPtr->dwStyle & TBS_ENABLESELRANGE)){ infoPtr->lSelMin = 0; return 0; } infoPtr->lSelMin = lStart; infoPtr->flags |=TB_SELECTIONCHANGED; if (infoPtr->lSelMin < infoPtr->lRangeMin) infoPtr->lSelMin = infoPtr->lRangeMin; if (fRedraw) TRACKBAR_InvalidateAll(infoPtr); return 0; } static inline LRESULT TRACKBAR_SetThumbLength (TRACKBAR_INFO *infoPtr, UINT iLength) { if (infoPtr->dwStyle & TBS_FIXEDLENGTH) { /* We're not supposed to check if it's really changed or not, just repaint in any case. */ infoPtr->uThumbLen = iLength; infoPtr->flags |= TB_THUMBSIZECHANGED; TRACKBAR_InvalidateAll(infoPtr); } return 0; } static inline LRESULT TRACKBAR_SetTic (TRACKBAR_INFO *infoPtr, LONG lPos) { if ((lPos < infoPtr->lRangeMin) || (lPos> infoPtr->lRangeMax)) return FALSE; TRACE("lPos=%d\n", lPos); infoPtr->uNumTics++; infoPtr->tics=ReAlloc( infoPtr->tics, (infoPtr->uNumTics)*sizeof (DWORD)); if (!infoPtr->tics) { infoPtr->uNumTics = 0; notify(infoPtr, NM_OUTOFMEMORY); return FALSE; } infoPtr->tics[infoPtr->uNumTics-1] = lPos; TRACKBAR_InvalidateAll(infoPtr); return TRUE; } static inline LRESULT TRACKBAR_SetTicFreq (TRACKBAR_INFO *infoPtr, WORD wFreq) { if (infoPtr->dwStyle & TBS_AUTOTICKS) { infoPtr->uTicFreq = wFreq; TRACKBAR_RecalculateTics (infoPtr); TRACKBAR_InvalidateAll(infoPtr); } return 0; } static inline INT TRACKBAR_SetTipSide (TRACKBAR_INFO *infoPtr, INT fLocation) { INT fTemp = infoPtr->fLocation; infoPtr->fLocation = fLocation; return fTemp; } static inline LRESULT TRACKBAR_SetToolTips (TRACKBAR_INFO *infoPtr, HWND hwndTT) { infoPtr->hwndToolTip = hwndTT; return 0; } static inline BOOL TRACKBAR_SetUnicodeFormat (TRACKBAR_INFO *infoPtr, BOOL fUnicode) { BOOL bTemp = infoPtr->bUnicode; infoPtr->bUnicode = fUnicode; return bTemp; } static LRESULT TRACKBAR_InitializeThumb (TRACKBAR_INFO *infoPtr) { RECT rect; int clientWidth, clientMetric; /* initial thumb length */ clientMetric = (infoPtr->dwStyle & TBS_ENABLESELRANGE) ? 23 : 21; GetClientRect(infoPtr->hwndSelf,&rect); if (infoPtr->dwStyle & TBS_VERT) { clientWidth = rect.right - rect.left; } else { clientWidth = rect.bottom - rect.top; } if (clientWidth >= clientMetric) infoPtr->uThumbLen = clientMetric; else infoPtr->uThumbLen = clientWidth > 9 ? clientWidth - 6 : 4; TRACKBAR_CalcChannel (infoPtr); TRACKBAR_UpdateThumb (infoPtr); infoPtr->flags &= ~TB_SELECTIONCHANGED; return 0; } static LRESULT TRACKBAR_Create (HWND hwnd, const CREATESTRUCTW *lpcs) { TRACKBAR_INFO *infoPtr; infoPtr = Alloc (sizeof(TRACKBAR_INFO)); if (!infoPtr) return -1; SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr); /* set default values */ infoPtr->hwndSelf = hwnd; infoPtr->dwStyle = lpcs->style; infoPtr->lRangeMin = 0; infoPtr->lRangeMax = 100; infoPtr->lLineSize = 1; infoPtr->lPageSize = TB_DEFAULTPAGESIZE; infoPtr->lSelMin = 0; infoPtr->lSelMax = 0; infoPtr->lPos = 0; infoPtr->fLocation = TBTS_TOP; infoPtr->uNumTics = 0; /* start and end tic are not included in count*/ infoPtr->uTicFreq = 1; infoPtr->tics = NULL; infoPtr->hwndNotify= lpcs->hwndParent; TRACKBAR_InitializeThumb (infoPtr); /* Create tooltip control */ if (infoPtr->dwStyle & TBS_TOOLTIPS) { infoPtr->hwndToolTip = CreateWindowExW (0, TOOLTIPS_CLASSW, NULL, WS_POPUP, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, hwnd, 0, 0, 0); if (infoPtr->hwndToolTip) { TTTOOLINFOW ti; WCHAR wEmpty = 0; ZeroMemory (&ti, sizeof(ti)); ti.cbSize = sizeof(ti); ti.uFlags = TTF_IDISHWND | TTF_TRACK | TTF_ABSOLUTE; ti.hwnd = hwnd; ti.lpszText = &wEmpty; SendMessageW (infoPtr->hwndToolTip, TTM_ADDTOOLW, 0, (LPARAM)&ti); } } OpenThemeData (hwnd, themeClass); return 0; } static LRESULT TRACKBAR_Destroy (TRACKBAR_INFO *infoPtr) { /* delete tooltip control */ if (infoPtr->hwndToolTip) DestroyWindow (infoPtr->hwndToolTip); Free (infoPtr->tics); infoPtr->tics = NULL; SetWindowLongPtrW (infoPtr->hwndSelf, 0, 0); CloseThemeData (GetWindowTheme (infoPtr->hwndSelf)); Free (infoPtr); return 0; } static LRESULT TRACKBAR_KillFocus (TRACKBAR_INFO *infoPtr) { TRACE("\n"); infoPtr->bFocussed = FALSE; TRACKBAR_InvalidateAll(infoPtr); return 0; } static LRESULT TRACKBAR_LButtonDown (TRACKBAR_INFO *infoPtr, INT x, INT y) { POINT clickPoint; clickPoint.x = x; clickPoint.y = y; SetFocus(infoPtr->hwndSelf); if (PtInRect(&infoPtr->rcThumb, clickPoint)) { infoPtr->flags |= TB_DRAG_MODE; SetCapture (infoPtr->hwndSelf); TRACKBAR_UpdateToolTip (infoPtr); TRACKBAR_ActivateToolTip (infoPtr, TRUE); TRACKBAR_InvalidateThumb(infoPtr, infoPtr->lPos); } else { LONG dir = TRACKBAR_GetAutoPageDirection(infoPtr, clickPoint); if (dir == 0) return 0; infoPtr->flags |= (dir < 0) ? TB_AUTO_PAGE_LEFT : TB_AUTO_PAGE_RIGHT; TRACKBAR_AutoPage (infoPtr, clickPoint); SetCapture (infoPtr->hwndSelf); SetTimer(infoPtr->hwndSelf, TB_REFRESH_TIMER, TB_REFRESH_DELAY, 0); } return 0; } static LRESULT TRACKBAR_LButtonUp (TRACKBAR_INFO *infoPtr) { if (infoPtr->flags & TB_DRAG_MODE) { notify_with_scroll (infoPtr, TB_THUMBPOSITION | (infoPtr->lPos<<16)); notify_with_scroll (infoPtr, TB_ENDTRACK); infoPtr->flags &= ~TB_DRAG_MODE; ReleaseCapture (); notify(infoPtr, NM_RELEASEDCAPTURE); TRACKBAR_ActivateToolTip(infoPtr, FALSE); TRACKBAR_InvalidateThumb(infoPtr, infoPtr->lPos); } if (infoPtr->flags & TB_AUTO_PAGE) { KillTimer (infoPtr->hwndSelf, TB_REFRESH_TIMER); infoPtr->flags &= ~TB_AUTO_PAGE; notify_with_scroll (infoPtr, TB_ENDTRACK); ReleaseCapture (); notify(infoPtr, NM_RELEASEDCAPTURE); } return 0; } static LRESULT TRACKBAR_CaptureChanged (const TRACKBAR_INFO *infoPtr) { notify_with_scroll (infoPtr, TB_ENDTRACK); return 0; } static LRESULT TRACKBAR_Paint (TRACKBAR_INFO *infoPtr, HDC hdc) { if (hdc) { TRACKBAR_Refresh(infoPtr, hdc); } else { PAINTSTRUCT ps; hdc = BeginPaint (infoPtr->hwndSelf, &ps); TRACKBAR_Refresh (infoPtr, hdc); EndPaint (infoPtr->hwndSelf, &ps); } return 0; } static LRESULT TRACKBAR_SetFocus (TRACKBAR_INFO *infoPtr) { TRACE("\n"); infoPtr->bFocussed = TRUE; TRACKBAR_InvalidateAll(infoPtr); return 0; } static LRESULT TRACKBAR_Size (TRACKBAR_INFO *infoPtr) { if (infoPtr->dwStyle & TBS_FIXEDLENGTH) { TRACKBAR_CalcChannel(infoPtr); TRACKBAR_UpdateThumb(infoPtr); } else TRACKBAR_InitializeThumb(infoPtr); TRACKBAR_AlignBuddies (infoPtr); TRACKBAR_InvalidateAll(infoPtr); return 0; } static LRESULT TRACKBAR_StyleChanged (TRACKBAR_INFO *infoPtr, WPARAM wStyleType, const STYLESTRUCT *lpss) { if (wStyleType != GWL_STYLE) return 0; infoPtr->dwStyle = lpss->styleNew; return 0; } static LRESULT TRACKBAR_Timer (TRACKBAR_INFO *infoPtr) { if (infoPtr->flags & TB_AUTO_PAGE) { POINT pt; if (GetCursorPos(&pt)) if (ScreenToClient(infoPtr->hwndSelf, &pt)) TRACKBAR_AutoPage(infoPtr, pt); } return 0; } /* update theme after a WM_THEMECHANGED message */ static LRESULT theme_changed (const TRACKBAR_INFO* infoPtr) { HTHEME theme = GetWindowTheme (infoPtr->hwndSelf); CloseThemeData (theme); OpenThemeData (infoPtr->hwndSelf, themeClass); return 0; } static LRESULT TRACKBAR_MouseMove (TRACKBAR_INFO *infoPtr, INT x, INT y) { INT clickPlace = (infoPtr->dwStyle & TBS_VERT) ? y : x; LONG dragPos, oldPos = infoPtr->lPos; TRACE("(x=%d. y=%d)\n", x, y); if (infoPtr->flags & TB_AUTO_PAGE) { POINT pt; pt.x = x; pt.y = y; TRACKBAR_AutoPage (infoPtr, pt); return TRUE; } if (!(infoPtr->flags & TB_DRAG_MODE)) { if (GetWindowTheme (infoPtr->hwndSelf)) { DWORD oldFlags = infoPtr->flags; POINT pt; pt.x = x; pt.y = y; if (PtInRect (&infoPtr->rcThumb, pt)) { TRACKMOUSEEVENT tme; tme.cbSize = sizeof( tme ); tme.dwFlags = TME_LEAVE; tme.hwndTrack = infoPtr->hwndSelf; TrackMouseEvent( &tme ); infoPtr->flags |= TB_THUMB_HOT; } else { TRACKMOUSEEVENT tme; tme.cbSize = sizeof( tme ); tme.dwFlags = TME_CANCEL; tme.hwndTrack = infoPtr->hwndSelf; TrackMouseEvent( &tme ); infoPtr->flags &= ~TB_THUMB_HOT; } if (oldFlags != infoPtr->flags) InvalidateRect (infoPtr->hwndSelf, &infoPtr->rcThumb, FALSE); } return TRUE; } dragPos = TRACKBAR_ConvertPlaceToPosition (infoPtr, clickPlace); if (dragPos == oldPos) return TRUE; infoPtr->lPos = dragPos; TRACKBAR_UpdateThumb (infoPtr); notify_with_scroll (infoPtr, TB_THUMBTRACK | (infoPtr->lPos<<16)); TRACKBAR_InvalidateThumbMove(infoPtr, oldPos, dragPos); UpdateWindow (infoPtr->hwndSelf); return TRUE; } static BOOL TRACKBAR_KeyDown (TRACKBAR_INFO *infoPtr, INT nVirtKey) { BOOL downIsLeft = infoPtr->dwStyle & TBS_DOWNISLEFT; BOOL vert = infoPtr->dwStyle & TBS_VERT; LONG pos = infoPtr->lPos; TRACE("%x\n", nVirtKey); switch (nVirtKey) { case VK_UP: if (!vert && downIsLeft) TRACKBAR_LineDown(infoPtr); else TRACKBAR_LineUp(infoPtr); break; case VK_LEFT: if (vert && downIsLeft) TRACKBAR_LineDown(infoPtr); else TRACKBAR_LineUp(infoPtr); break; case VK_DOWN: if (!vert && downIsLeft) TRACKBAR_LineUp(infoPtr); else TRACKBAR_LineDown(infoPtr); break; case VK_RIGHT: if (vert && downIsLeft) TRACKBAR_LineUp(infoPtr); else TRACKBAR_LineDown(infoPtr); break; case VK_NEXT: if (!vert && downIsLeft) TRACKBAR_PageUp(infoPtr); else TRACKBAR_PageDown(infoPtr); break; case VK_PRIOR: if (!vert && downIsLeft) TRACKBAR_PageDown(infoPtr); else TRACKBAR_PageUp(infoPtr); break; case VK_HOME: if (infoPtr->lPos == infoPtr->lRangeMin) return FALSE; infoPtr->lPos = infoPtr->lRangeMin; notify_with_scroll (infoPtr, TB_TOP); break; case VK_END: if (infoPtr->lPos == infoPtr->lRangeMax) return FALSE; infoPtr->lPos = infoPtr->lRangeMax; notify_with_scroll (infoPtr, TB_BOTTOM); break; } if (pos != infoPtr->lPos) { infoPtr->flags |=TB_THUMBPOSCHANGED; TRACKBAR_InvalidateThumbMove (infoPtr, pos, infoPtr->lPos); } return TRUE; } static inline BOOL TRACKBAR_KeyUp (const TRACKBAR_INFO *infoPtr, INT nVirtKey) { switch (nVirtKey) { case VK_LEFT: case VK_UP: case VK_RIGHT: case VK_DOWN: case VK_NEXT: case VK_PRIOR: case VK_HOME: case VK_END: notify_with_scroll (infoPtr, TB_ENDTRACK); } return TRUE; } static LRESULT TRACKBAR_Enable (TRACKBAR_INFO *infoPtr, BOOL enable) { if (enable) infoPtr->dwStyle &= ~WS_DISABLED; else infoPtr->dwStyle |= WS_DISABLED; InvalidateRect(infoPtr->hwndSelf, &infoPtr->rcThumb, TRUE); return 1; } static LRESULT WINAPI TRACKBAR_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) { TRACKBAR_INFO *infoPtr = (TRACKBAR_INFO *)GetWindowLongPtrW (hwnd, 0); TRACE("hwnd=%p msg=%x wparam=%lx lparam=%lx\n", hwnd, uMsg, wParam, lParam); if (!infoPtr && (uMsg != WM_CREATE)) return DefWindowProcW (hwnd, uMsg, wParam, lParam); switch (uMsg) { case TBM_CLEARSEL: return TRACKBAR_ClearSel (infoPtr, (BOOL)wParam); case TBM_CLEARTICS: return TRACKBAR_ClearTics (infoPtr, (BOOL)wParam); case TBM_GETBUDDY: return (LRESULT)(wParam ? infoPtr->hwndBuddyLA : infoPtr->hwndBuddyRB); case TBM_GETCHANNELRECT: return TRACKBAR_GetChannelRect (infoPtr, (LPRECT)lParam); case TBM_GETLINESIZE: return infoPtr->lLineSize; case TBM_GETNUMTICS: return TRACKBAR_GetNumTics (infoPtr); case TBM_GETPAGESIZE: return infoPtr->lPageSize; case TBM_GETPOS: return infoPtr->lPos; case TBM_GETPTICS: return (LRESULT)infoPtr->tics; case TBM_GETRANGEMAX: return infoPtr->lRangeMax; case TBM_GETRANGEMIN: return infoPtr->lRangeMin; case TBM_GETSELEND: return infoPtr->lSelMax; case TBM_GETSELSTART: return infoPtr->lSelMin; case TBM_GETTHUMBLENGTH: return infoPtr->uThumbLen; case TBM_GETTHUMBRECT: return CopyRect((LPRECT)lParam, &infoPtr->rcThumb); case TBM_GETTIC: return TRACKBAR_GetTic (infoPtr, (INT)wParam); case TBM_GETTICPOS: return TRACKBAR_GetTicPos (infoPtr, (INT)wParam); case TBM_GETTOOLTIPS: return (LRESULT)infoPtr->hwndToolTip; case TBM_GETUNICODEFORMAT: return infoPtr->bUnicode; case TBM_SETBUDDY: return (LRESULT) TRACKBAR_SetBuddy(infoPtr, (BOOL)wParam, (HWND)lParam); case TBM_SETLINESIZE: return TRACKBAR_SetLineSize (infoPtr, (LONG)lParam); case TBM_SETPAGESIZE: return TRACKBAR_SetPageSize (infoPtr, (LONG)lParam); case TBM_SETPOS: return TRACKBAR_SetPos (infoPtr, (BOOL)wParam, (LONG)lParam); case TBM_SETRANGE: return TRACKBAR_SetRange (infoPtr, (BOOL)wParam, (LONG)lParam); case TBM_SETRANGEMAX: return TRACKBAR_SetRangeMax (infoPtr, (BOOL)wParam, (LONG)lParam); case TBM_SETRANGEMIN: return TRACKBAR_SetRangeMin (infoPtr, (BOOL)wParam, (LONG)lParam); case TBM_SETSEL: return TRACKBAR_SetSel (infoPtr, (BOOL)wParam, (LONG)lParam); case TBM_SETSELEND: return TRACKBAR_SetSelEnd (infoPtr, (BOOL)wParam, (LONG)lParam); case TBM_SETSELSTART: return TRACKBAR_SetSelStart (infoPtr, (BOOL)wParam, (LONG)lParam); case TBM_SETTHUMBLENGTH: return TRACKBAR_SetThumbLength (infoPtr, (UINT)wParam); case TBM_SETTIC: return TRACKBAR_SetTic (infoPtr, (LONG)lParam); case TBM_SETTICFREQ: return TRACKBAR_SetTicFreq (infoPtr, (WORD)wParam); case TBM_SETTIPSIDE: return TRACKBAR_SetTipSide (infoPtr, (INT)wParam); case TBM_SETTOOLTIPS: return TRACKBAR_SetToolTips (infoPtr, (HWND)wParam); case TBM_SETUNICODEFORMAT: return TRACKBAR_SetUnicodeFormat (infoPtr, (BOOL)wParam); case WM_CAPTURECHANGED: return TRACKBAR_CaptureChanged (infoPtr); case WM_CREATE: return TRACKBAR_Create (hwnd, (LPCREATESTRUCTW)lParam); case WM_DESTROY: return TRACKBAR_Destroy (infoPtr); case WM_ENABLE: return TRACKBAR_Enable (infoPtr, (BOOL)wParam); case WM_ERASEBKGND: return 0; case WM_GETDLGCODE: return DLGC_WANTARROWS; case WM_KEYDOWN: return TRACKBAR_KeyDown (infoPtr, (INT)wParam); case WM_KEYUP: return TRACKBAR_KeyUp (infoPtr, (INT)wParam); case WM_KILLFOCUS: return TRACKBAR_KillFocus (infoPtr); case WM_LBUTTONDOWN: return TRACKBAR_LButtonDown (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam)); case WM_LBUTTONUP: return TRACKBAR_LButtonUp (infoPtr); case WM_MOUSELEAVE: infoPtr->flags &= ~TB_THUMB_HOT; InvalidateRect (infoPtr->hwndSelf, &infoPtr->rcThumb, FALSE); return 0; case WM_MOUSEMOVE: return TRACKBAR_MouseMove (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam)); case WM_PRINTCLIENT: case WM_PAINT: return TRACKBAR_Paint (infoPtr, (HDC)wParam); case WM_SETFOCUS: return TRACKBAR_SetFocus (infoPtr); case WM_SIZE: return TRACKBAR_Size (infoPtr); case WM_STYLECHANGED: return TRACKBAR_StyleChanged (infoPtr, wParam, (LPSTYLESTRUCT)lParam); case WM_THEMECHANGED: return theme_changed (infoPtr); case WM_TIMER: return TRACKBAR_Timer (infoPtr); case WM_WININICHANGE: return TRACKBAR_InitializeThumb (infoPtr); default: if ((uMsg >= WM_USER) && (uMsg < WM_APP) && !COMCTL32_IsReflectedMessage(uMsg)) ERR("unknown msg %04x wp=%08lx lp=%08lx\n", uMsg, wParam, lParam); return DefWindowProcW (hwnd, uMsg, wParam, lParam); } } void TRACKBAR_Register (void) { WNDCLASSW wndClass; ZeroMemory (&wndClass, sizeof(WNDCLASSW)); wndClass.style = CS_GLOBALCLASS; wndClass.lpfnWndProc = TRACKBAR_WindowProc; wndClass.cbClsExtra = 0; wndClass.cbWndExtra = sizeof(TRACKBAR_INFO *); wndClass.hCursor = LoadCursorW (0, (LPWSTR)IDC_ARROW); wndClass.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1); wndClass.lpszClassName = TRACKBAR_CLASSW; RegisterClassW (&wndClass); } void TRACKBAR_Unregister (void) { UnregisterClassW (TRACKBAR_CLASSW, NULL); }