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[UXTHEME] -Fix the size of the thump in the themed scrollbar. CORE-7988

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svn path=/trunk/; revision=73790
This commit is contained in:
Giannis Adamopoulos 2017-02-13 17:27:13 +00:00
parent aae34d2409
commit 8e63468492
1 changed files with 16 additions and 13 deletions
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29
reactos/dll/win32/uxtheme/ncscrollbar.c
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@ -113,7 +113,7 @@ static enum SCROLL_HITTEST SCROLL_HitTest( HWND hwnd, SCROLLBARINFO* psbi, BOOL
pt.y -= psbi->rcScrollBar.top;
if (pt.y < psbi->xyThumbTop)
return SCROLL_TOP_RECT;
if (pt.y >= psbi->xyThumbTop + psbi->dxyLineButton)
if (pt.y >= psbi->xyThumbBottom)
return SCROLL_BOTTOM_RECT;
}
else /* horizontal */
@ -127,7 +127,7 @@ static enum SCROLL_HITTEST SCROLL_HitTest( HWND hwnd, SCROLLBARINFO* psbi, BOOL
pt.x -= psbi->rcScrollBar.left;
if (pt.x < psbi->xyThumbTop)
return SCROLL_TOP_RECT;
if (pt.x >= psbi->xyThumbTop + psbi->dxyLineButton)
if (pt.x >= psbi->xyThumbBottom)
return SCROLL_BOTTOM_RECT;
}
return SCROLL_THUMB;
@ -215,12 +215,12 @@ static void SCROLL_DrawInterior( PDRAW_CONTEXT pcontext, SCROLLBARINFO* psbi,
if (vertical)
{
rcPart = r;
rcPart.bottom = rcPart.top + thumbPos - psbi->dxyLineButton;
rcPart.bottom = thumbPos;
SCROLL_ThemeDrawPart(pcontext, SBP_UPPERTRACKVERT, BUTTON_NORMAL, psbi, SCROLL_TOP_RECT, htDown, htHot, &rcPart);
r.top = rcPart.bottom;
rcPart = r;
rcPart.top += psbi->dxyLineButton;
rcPart.top += psbi->xyThumbBottom - psbi->xyThumbTop;
SCROLL_ThemeDrawPart(pcontext, SBP_LOWERTRACKVERT, BUTTON_NORMAL, psbi, SCROLL_BOTTOM_RECT, htDown, htHot, &rcPart);
r.bottom = rcPart.top;
@ -230,12 +230,12 @@ static void SCROLL_DrawInterior( PDRAW_CONTEXT pcontext, SCROLLBARINFO* psbi,
else /* horizontal */
{
rcPart = r;
rcPart.right = rcPart.left + thumbPos - psbi->dxyLineButton;
rcPart.right = thumbPos;
SCROLL_ThemeDrawPart(pcontext, SBP_UPPERTRACKHORZ, BUTTON_NORMAL, psbi, SCROLL_TOP_RECT, htDown, htHot, &rcPart);
r.left = rcPart.right;
rcPart = r;
rcPart.left += psbi->dxyLineButton;
rcPart.left += psbi->xyThumbBottom - psbi->xyThumbTop;
SCROLL_ThemeDrawPart(pcontext, SBP_LOWERTRACKHORZ, BUTTON_NORMAL, psbi, SCROLL_BOTTOM_RECT, htDown, htHot, &rcPart);
r.right = rcPart.left;
@ -252,12 +252,12 @@ static void SCROLL_DrawMovingThumb( PDRAW_CONTEXT pcontext, SCROLLBARINFO* psbi,
if( vertical )
max_size = psbi->rcScrollBar.bottom - psbi->rcScrollBar.top;
else
max_size = psbi->rcScrollBar.right - psbi->rcScrollBar.left;
max_size = psbi->rcScrollBar.right - psbi->rcScrollBar.left;
max_size -= (psbi->dxyLineButton -SCROLL_ARROW_THUMB_OVERLAP) + psbi->dxyLineButton;
max_size -= psbi->xyThumbBottom - psbi->xyThumbTop + psbi->dxyLineButton;
if( pos < (psbi->dxyLineButton-SCROLL_ARROW_THUMB_OVERLAP) )
pos = (psbi->dxyLineButton-SCROLL_ARROW_THUMB_OVERLAP);
if( pos < (psbi->dxyLineButton) )
pos = (psbi->dxyLineButton);
else if( pos > max_size )
pos = max_size;
@ -275,6 +275,12 @@ ThemeDrawScrollBar(PDRAW_CONTEXT pcontext, INT nBar, POINT* pt)
BOOL vertical;
enum SCROLL_HITTEST htHot = SCROLL_NOWHERE;
if (SCROLL_TrackingWin)
return;
if (((nBar == SB_VERT) && !(pcontext->wi.dwStyle & WS_VSCROLL)) ||
((nBar == SB_HORZ) && !(pcontext->wi.dwStyle & WS_HSCROLL))) return;
/* Retrieve scrollbar info */
sbi.cbSize = sizeof(sbi);
si.cbSize = sizeof(si);
@ -296,9 +302,6 @@ ThemeDrawScrollBar(PDRAW_CONTEXT pcontext, INT nBar, POINT* pt)
ScreenToWindow(pcontext->hWnd, pt);
htHot = SCROLL_HitTest(pcontext->hWnd, &sbi, vertical, *pt, FALSE);
}
if (((nBar == SB_VERT) && !(pcontext->wi.dwStyle & WS_VSCROLL)) ||
((nBar == SB_HORZ) && !(pcontext->wi.dwStyle & WS_HSCROLL))) return;
/* do not draw if the scrollbar rectangle is empty */
if(IsRectEmpty(&sbi.rcScrollBar)) return;