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[UXTHEME] Add a hack for themed scrollbars

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- After inspecting a theme file with different upper or lower tracks it seems that windows use what is called LowerTrackHorz and LowerTrackVert in the upper track and UpperTrackHorz and  UpperTrackVert are used in the lower track.
CORE-13513
This commit is contained in:
Giannis Adamopoulos 2017-11-23 23:07:35 +02:00
parent 51333f3eec
commit fc6c07c385
1 changed files with 6 additions and 4 deletions
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10
dll/win32/uxtheme/ncscrollbar.c
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@ -215,16 +215,18 @@ static void SCROLL_DrawInterior( PDRAW_CONTEXT pcontext, SCROLLBARINFO* psbi,
return;
}
/* Some themes have different bitmaps for the upper and lower tracks
It seems that windows use the bitmap for the lower track in the upper track */
if (vertical)
{
rcPart = r;
rcPart.bottom = thumbPos;
SCROLL_ThemeDrawPart(pcontext, SBP_UPPERTRACKVERT, BUTTON_NORMAL, psbi, SCROLL_TOP_RECT, htDown, htHot, &rcPart);
SCROLL_ThemeDrawPart(pcontext, SBP_LOWERTRACKVERT, BUTTON_NORMAL, psbi, SCROLL_TOP_RECT, htDown, htHot, &rcPart);
r.top = rcPart.bottom;
rcPart = r;
rcPart.top += psbi->xyThumbBottom - psbi->xyThumbTop;
SCROLL_ThemeDrawPart(pcontext, SBP_LOWERTRACKVERT, BUTTON_NORMAL, psbi, SCROLL_BOTTOM_RECT, htDown, htHot, &rcPart);
SCROLL_ThemeDrawPart(pcontext, SBP_UPPERTRACKVERT, BUTTON_NORMAL, psbi, SCROLL_BOTTOM_RECT, htDown, htHot, &rcPart);
r.bottom = rcPart.top;
SCROLL_ThemeDrawPart(pcontext, SBP_THUMBBTNVERT, BUTTON_NORMAL, psbi, SCROLL_THUMB, htDown, htHot, &r);
@ -234,12 +236,12 @@ static void SCROLL_DrawInterior( PDRAW_CONTEXT pcontext, SCROLLBARINFO* psbi,
{
rcPart = r;
rcPart.right = thumbPos;
SCROLL_ThemeDrawPart(pcontext, SBP_UPPERTRACKHORZ, BUTTON_NORMAL, psbi, SCROLL_TOP_RECT, htDown, htHot, &rcPart);
SCROLL_ThemeDrawPart(pcontext, SBP_LOWERTRACKHORZ, BUTTON_NORMAL, psbi, SCROLL_TOP_RECT, htDown, htHot, &rcPart);
r.left = rcPart.right;
rcPart = r;
rcPart.left += psbi->xyThumbBottom - psbi->xyThumbTop;
SCROLL_ThemeDrawPart(pcontext, SBP_LOWERTRACKHORZ, BUTTON_NORMAL, psbi, SCROLL_BOTTOM_RECT, htDown, htHot, &rcPart);
SCROLL_ThemeDrawPart(pcontext, SBP_UPPERTRACKHORZ, BUTTON_NORMAL, psbi, SCROLL_BOTTOM_RECT, htDown, htHot, &rcPart);
r.right = rcPart.left;
SCROLL_ThemeDrawPart(pcontext, SBP_THUMBBTNHORZ, BUTTON_NORMAL, psbi, SCROLL_THUMB, htDown, htHot, &r);