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reactos/dll/win32/comctl32/trackbar.c
Justin Miller 0707475f69
[COMCTL32][MEDIA] Sync comctl32 to wine 5.0 (#6789) 
For SOME reason comctl32 has been synched manually multiple times to different versions and different pots
This PR aims to fix that

With the exception of button.c which all in all is a massive fork over wines code entirely.
and datetime.c which is at wine 6.0

Comctl32 is now at wine-5.0
2024-09-03 21:54:05 -07:00

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/*
* 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
*/
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.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;
DWORD flags;
BOOL bUnicode;
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 0x00000001
#define TB_THUMBSIZECHANGED 0x00000002
#define TB_THUMBCHANGED (TB_THUMBPOSCHANGED | TB_THUMBSIZECHANGED)
#define TB_SELECTIONCHANGED 0x00000004
#define TB_DRAG_MODE 0x00000008 /* we're dragging the slider */
#define TB_AUTO_PAGE_LEFT 0x00000010
#define TB_AUTO_PAGE_RIGHT 0x00000020
#define TB_AUTO_PAGE (TB_AUTO_PAGE_LEFT | TB_AUTO_PAGE_RIGHT)
#define TB_THUMB_HOT 0x00000040 /* mouse hovers above thumb */
/* Page was set with TBM_SETPAGESIZE */
#define TB_USER_PAGE 0x00000080
#define TB_IS_FOCUSED 0x00000100
/* 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)floor(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("clickPoint=%s, dir=%d\n", wine_dbgstr_point(&clickPoint), 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;
SetRect(&rcTics, infoPtr->rcThumb.left - 2, infoPtr->rcChannel.top + offsetthumb,
infoPtr->rcThumb.right + 2, infoPtr->rcChannel.bottom - offsetthumb - 1);
} else {
offsetthumb = (infoPtr->rcThumb.right - infoPtr->rcThumb.left)/2;
SetRect(&rcTics, infoPtr->rcChannel.left + offsetthumb, infoPtr->rcThumb.top - 2,
infoPtr->rcChannel.right - offsetthumb - 1, 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, ARRAY_SIZE(points));
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);
}
#ifndef __REACTOS__
else {
#else
{
#endif
HBRUSH brush = (HBRUSH)SendMessageW(infoPtr->hwndNotify, WM_CTLCOLORSTATIC,
(WPARAM)hdc, (LPARAM)infoPtr->hwndSelf);
FillRect (hdc, &rcClient, brush ? brush : 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->flags & TB_IS_FOCUSED) {
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 __cdecl 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 void TRACKBAR_UpdatePageSize(TRACKBAR_INFO *infoPtr)
{
if (infoPtr->flags & TB_USER_PAGE)
return;
infoPtr->lPageSize = (infoPtr->lRangeMax - infoPtr->lRangeMin) / 5;
if (infoPtr->lPageSize == 0) infoPtr->lPageSize = 1;
}
static inline LONG
TRACKBAR_SetPageSize (TRACKBAR_INFO *infoPtr, LONG lPageSize)
{
LONG lTemp = infoPtr->lPageSize;
if (lPageSize == -1)
{
infoPtr->flags &= ~TB_USER_PAGE;
TRACKBAR_UpdatePageSize(infoPtr);
}
else
{
infoPtr->flags |= TB_USER_PAGE;
infoPtr->lPageSize = lPageSize;
}
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;
if (fPosition && oldPos != lPosition)
{
TRACKBAR_UpdateThumb(infoPtr);
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);
/* clip position to new min/max limit */
if (infoPtr->lPos < infoPtr->lRangeMin)
infoPtr->lPos = infoPtr->lRangeMin;
if (infoPtr->lPos > infoPtr->lRangeMax)
infoPtr->lPos = infoPtr->lRangeMax;
TRACKBAR_UpdatePageSize(infoPtr);
if (changed) {
if (infoPtr->dwStyle & TBS_AUTOTICKS)
TRACKBAR_RecalculateTics (infoPtr);
infoPtr->flags |= TB_THUMBPOSCHANGED;
}
if (redraw) TRACKBAR_InvalidateAll(infoPtr);
return 0;
}
static inline LRESULT
TRACKBAR_SetRangeMax (TRACKBAR_INFO *infoPtr, BOOL redraw, LONG lMax)
{
BOOL changed = infoPtr->lRangeMax != lMax;
LONG rightmost = max(lMax, infoPtr->lRangeMin);
infoPtr->lRangeMax = lMax;
if (infoPtr->lPos > rightmost) {
infoPtr->lPos = rightmost;
infoPtr->flags |= TB_THUMBPOSCHANGED;
}
TRACKBAR_UpdatePageSize(infoPtr);
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;
}
TRACKBAR_UpdatePageSize(infoPtr);
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);
}
TRACKBAR_UpdateThumb (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 int get_scaled_metric(const TRACKBAR_INFO *infoPtr, int value)
{
return MulDiv(value, GetDpiForWindow(infoPtr->hwndSelf), 96);
}
static LRESULT
TRACKBAR_InitializeThumb (TRACKBAR_INFO *infoPtr)
{
int client_size;
RECT rect;
infoPtr->uThumbLen = get_scaled_metric(infoPtr, infoPtr->dwStyle & TBS_ENABLESELRANGE ? 23 : 21);
if (!(infoPtr->dwStyle & TBS_FIXEDLENGTH))
{
GetClientRect(infoPtr->hwndSelf, &rect);
if (infoPtr->dwStyle & TBS_VERT)
client_size = rect.right - rect.left;
else
client_size = rect.bottom - rect.top;
if (client_size < infoPtr->uThumbLen)
infoPtr->uThumbLen = client_size > get_scaled_metric(infoPtr, 9) ?
client_size - get_scaled_metric(infoPtr, 5) : get_scaled_metric(infoPtr, 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->flags &= ~TB_IS_FOCUSED;
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->flags |= TB_IS_FOCUSED;
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) {
TRACKBAR_UpdateThumb (infoPtr);
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:
if (hwnd == (HWND)lParam) return 0;
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);
}
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