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- Unbreak vertical trackbars 

- Make it more closely resemble the native control
- Add focus rectangle
- Misc fixes and cleanups
This commit is contained in:
Mike Hearn 2003-06-16 19:39:27 +00:00 committed by Alexandre Julliard
parent a8755ff912
commit d2b8e39b5c
1 changed files with 43 additions and 24 deletions
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67
dlls/comctl32/trackbar.c
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@ -62,6 +62,7 @@ typedef struct
INT fLocation;
INT flags;
BOOL bUnicode;
BOOL bFocussed;
RECT rcChannel;
RECT rcSelection;
RECT rcThumb;
@ -226,18 +227,17 @@ TRACKBAR_CalcChannel (TRACKBAR_INFO *infoPtr)
offsetthumb = (int)(infoPtr->uThumbLen/4.5);
offsetedge = offsetthumb + 3;
cyChannel = (dwStyle & TBS_ENABLESELRANGE) ? (offsetthumb+1)*3 : 4;
if (dwStyle & TBS_VERT) {
channel->top = lpRect.top + offsetedge;
channel->bottom = lpRect.bottom - offsetedge;
channel->left = lpRect.left + offsetthumb;
channel->left = lpRect.left + offsetthumb - cyChannel;
if (dwStyle & (TBS_BOTH | TBS_LEFT))
channel->left += (lpRect.right-lpRect.left-offsetthumb-cyChannel)/2;
channel->right = channel->left + cyChannel;
} else {
channel->left = lpRect.left + offsetedge;
channel->right = lpRect.right - offsetedge;
channel->top = lpRect.top + offsetthumb;
channel->top = lpRect.top + offsetedge;
if (dwStyle & (TBS_BOTH | TBS_TOP))
channel->top += (lpRect.bottom-lpRect.top-offsetedge-cyChannel)/2;
channel->bottom = channel->top + cyChannel;
@ -247,34 +247,33 @@ TRACKBAR_CalcChannel (TRACKBAR_INFO *infoPtr)
static void
TRACKBAR_CalcThumb (TRACKBAR_INFO *infoPtr, LONG lPos, RECT *thumb)
{
int range, width, thumbdepth;
int range, width, height, thumbdepth, ticOffset = 5 + 2; /* 5 is length of tic, 2 is extra indent */
DWORD dwStyle = GetWindowLongW (infoPtr->hwndSelf, GWL_STYLE);
RECT lpRect;
range=infoPtr->lRangeMax - infoPtr->lRangeMin;
thumbdepth = ((int)(infoPtr->uThumbLen / 4.5) * 2) + 2;
range = infoPtr->lRangeMax - infoPtr->lRangeMin;
thumbdepth = ((int)(infoPtr->uThumbLen / 4.5)) + 2;
if (!range) range = 1;
GetClientRect(infoPtr->hwndSelf, &lpRect);
if (dwStyle & TBS_VERT)
{
width=infoPtr->rcChannel.bottom - infoPtr->rcChannel.top;
height = infoPtr->rcChannel.bottom - infoPtr->rcChannel.top;
if (dwStyle & (TBS_BOTH | TBS_LEFT))
thumb->left = (lpRect.right - lpRect.bottom - infoPtr->uThumbLen)/2;
thumb->left = (lpRect.right - lpRect.left - infoPtr->uThumbLen)/2 + ticOffset;
else
thumb->left = 2;
thumb->right = thumb -> left + infoPtr->uThumbLen;
thumb->right = thumb->left + infoPtr->uThumbLen - (ticOffset * 2);
thumb->top = infoPtr->rcChannel.top +
(width*(lPos - infoPtr->lRangeMin))/range -
(height*(lPos - infoPtr->lRangeMin))/range -
thumbdepth/2;
thumb->bottom = thumb->top + thumbdepth;
}
else
{
width=infoPtr->rcChannel.right - infoPtr->rcChannel.left;
width = infoPtr->rcChannel.right - infoPtr->rcChannel.left;
thumb->left = infoPtr->rcChannel.left +
(width*(lPos - infoPtr->lRangeMin))/range -
@ -284,7 +283,7 @@ TRACKBAR_CalcThumb (TRACKBAR_INFO *infoPtr, LONG lPos, RECT *thumb)
thumb->top = (lpRect.bottom - lpRect.top - infoPtr->uThumbLen)/2;
else
thumb->top = 2;
thumb->bottom = thumb->top + infoPtr->uThumbLen;
thumb->bottom = thumb->top + infoPtr->uThumbLen - 20; /* double the bottom padding for the ticks, chosen to resemble native control */
}
}
@ -382,6 +381,16 @@ static void
TRACKBAR_DrawChannel (TRACKBAR_INFO *infoPtr, HDC hdc, DWORD dwStyle)
{
RECT rcChannel = infoPtr->rcChannel;
int runOver = 5;
/* make the channel slightly overrun the last tick, to make it look more like the native control, and less "clunky" */
if (dwStyle & TBS_VERT) {
rcChannel.top -= runOver;
rcChannel.bottom += runOver;
} else {
rcChannel.left -= runOver;
rcChannel.right += runOver;
}
DrawEdge (hdc, &rcChannel, EDGE_SUNKEN, BF_RECT | BF_ADJUST);
if (dwStyle & TBS_ENABLESELRANGE) { /* fill the channel */
@ -406,6 +415,7 @@ TRACKBAR_DrawOneTic (TRACKBAR_INFO *infoPtr, HDC hdc, LONG ticPos, int flags)
} else {
rcTics.left = infoPtr->rcChannel.left;
rcTics.right = infoPtr->rcChannel.right;
rcTics.bottom -= 10; /* value obtained by guesswork and experimentation */
}
if (flags & (TBS_TOP | TBS_LEFT)) {
@ -429,7 +439,7 @@ TRACKBAR_DrawOneTic (TRACKBAR_INFO *infoPtr, HDC hdc, LONG ticPos, int flags)
}
if (flags & TBS_VERT) {
int height = rcTics.bottom = rcTics.top;
int height = rcTics.bottom - rcTics.top;
y = rcTics.top + (height*(ticPos - infoPtr->lRangeMin))/range;
x -= (offset + 2) * side;
y += indent;
@ -520,7 +530,6 @@ TRACKBAR_DrawThumb(TRACKBAR_INFO *infoPtr, HDC hdc, DWORD dwStyle)
int fillClr;
static INT PointDepth = 4;
fillClr = infoPtr->flags & TB_DRAG_MODE ? COLOR_BTNHILIGHT : COLOR_BTNFACE;
oldbr = SelectObject (hdc, GetSysColorBrush(fillClr));
SetPolyFillMode (hdc, WINDING);
@ -784,6 +793,11 @@ TRACKBAR_Refresh (TRACKBAR_INFO *infoPtr, HDC hdcDst)
}
}
/* draw focus rectangle */
if (infoPtr->bFocussed) {
DrawFocusRect(hdc, &rcClient);
}
/* finish up the painting */
if (gcdrf & CDRF_NOTIFYPOSTPAINT)
notify_customdraw(&nmcd, CDDS_POSTPAINT);
@ -1128,12 +1142,11 @@ TRACKBAR_SetSelStart (TRACKBAR_INFO *infoPtr, BOOL fRedraw, LONG lStart)
static LRESULT inline
TRACKBAR_SetThumbLength (TRACKBAR_INFO *infoPtr, UINT iLength)
{
if (GetWindowLongW (infoPtr->hwndSelf, GWL_STYLE) & TBS_FIXEDLENGTH)
if (GetWindowLongW (infoPtr->hwndSelf, GWL_STYLE) & TBS_FIXEDLENGTH) {
infoPtr->uThumbLen = iLength;
infoPtr->flags |= TB_THUMBSIZECHANGED;
InvalidateRect (infoPtr->hwndSelf, &infoPtr->rcThumb, FALSE);
infoPtr->flags |= TB_THUMBSIZECHANGED;
InvalidateRect (infoPtr->hwndSelf, &infoPtr->rcThumb, FALSE);
}
return 0;
}
@ -1213,10 +1226,16 @@ TRACKBAR_SetUnicodeFormat (TRACKBAR_INFO *infoPtr, BOOL fUnicode)
static LRESULT
TRACKBAR_InitializeThumb (TRACKBAR_INFO *infoPtr)
{
/* initial thumb length */
DWORD dwStyle = GetWindowLongW (infoPtr->hwndSelf, GWL_STYLE);
RECT rect;
/* initial thumb length */
GetClientRect(infoPtr->hwndSelf,&rect);
infoPtr->uThumbLen = (rect.bottom - rect.top - 6);
if (dwStyle & TBS_VERT) {
infoPtr->uThumbLen = (rect.right - rect.left - 6);
} else {
infoPtr->uThumbLen = (rect.bottom - rect.top);
}
TRACKBAR_CalcChannel (infoPtr);
TRACKBAR_UpdateThumb (infoPtr);
@ -1305,7 +1324,7 @@ static LRESULT
TRACKBAR_KillFocus (TRACKBAR_INFO *infoPtr, HWND hwndGetFocus)
{
TRACE("\n");
infoPtr->bFocussed = FALSE;
TRACKBAR_InvalidateAll(infoPtr);
return 0;
@ -1387,7 +1406,7 @@ static LRESULT
TRACKBAR_SetFocus (TRACKBAR_INFO *infoPtr, HWND hwndLoseFocus)
{
TRACE("\n");
infoPtr->bFocussed = TRUE;
TRACKBAR_InvalidateAll(infoPtr);
return 0;