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comctl32: Properly paint thumb using DrawEdge() for diagonal edges too.

This commit is contained in:
Nikolay Sivov 2013-05-12 17:12:32 +04:00 committed by Alexandre Julliard
parent a24808326d
commit 1776cbf459
1 changed files with 158 additions and 72 deletions
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230
dlls/comctl32/trackbar.c
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@ -612,10 +612,103 @@ TRACKBAR_DrawTics (const TRACKBAR_INFO *infoPtr, HDC hdc)
}
}
static int
TRACKBAR_FillThumb (const TRACKBAR_INFO *infoPtr, HDC hdc, HBRUSH hbrush)
{
const RECT *thumb = &infoPtr->rcThumb;
const int PointCount = 6;
POINT points[PointCount];
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, PointCount);
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)
@ -643,7 +736,7 @@ TRACKBAR_DrawThumb (TRACKBAR_INFO *infoPtr, HDC hdc)
return;
}
if (infoPtr->dwStyle & WS_DISABLED)
if (infoPtr->dwStyle & WS_DISABLED || infoPtr->flags & TB_DRAG_MODE)
{
if (comctl32_color.clr3dHilight == comctl32_color.clrWindow)
brush = COMCTL32_hPattern55AABrush;
@ -654,105 +747,98 @@ TRACKBAR_DrawThumb (TRACKBAR_INFO *infoPtr, HDC hdc)
SetBkColor(hdc, comctl32_color.clr3dHilight);
}
else
brush = GetSysColorBrush(infoPtr->flags & TB_DRAG_MODE ? COLOR_BTNHILIGHT : COLOR_BTNFACE);
brush = GetSysColorBrush(COLOR_BTNFACE);
PointDepth = TRACKBAR_FillThumb(infoPtr, hdc, brush);
if (infoPtr->dwStyle & TBS_BOTH)
{
FillRect(hdc, &infoPtr->rcThumb, brush);
DrawEdge(hdc, &infoPtr->rcThumb, EDGE_RAISED, BF_RECT | BF_SOFT);
return;
}
else
{
HBRUSH oldbr = SelectObject(hdc, brush);
RECT thumb = infoPtr->rcThumb;
int BlackUntil = 3;
int PointCount = 6;
POINT points[6];
int PointDepth;
HPEN oldpen;
SetPolyFillMode (hdc, WINDING);
if (infoPtr->dwStyle & TBS_VERT)
{
PointDepth = (thumb.bottom - thumb.top) / 2;
if (infoPtr->dwStyle & TBS_LEFT)
{
points[0].x=thumb.right;
points[0].y=thumb.top;
points[1].x=thumb.right;
points[1].y=thumb.bottom;
points[2].x=thumb.left + PointDepth;
points[2].y=thumb.bottom;
points[3].x=thumb.left;
points[3].y=(thumb.bottom - thumb.top) / 2 + thumb.top + 1;
points[4].x=thumb.left + PointDepth;
points[4].y=thumb.top;
points[5].x=points[0].x;
points[5].y=points[0].y;
BlackUntil = 4;
/* 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
{
points[0].x=thumb.right;
points[0].y=(thumb.bottom - thumb.top) / 2 + thumb.top + 1;
points[1].x=thumb.right - PointDepth;
points[1].y=thumb.bottom;
points[2].x=thumb.left;
points[2].y=thumb.bottom;
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;
/* 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
{
PointDepth = (thumb.right - thumb.left) / 2;
if (infoPtr->dwStyle & TBS_TOP)
{
points[0].x=(thumb.right - thumb.left) / 2 + thumb.left + 1;
points[0].y=thumb.top;
points[1].x=thumb.right;
points[1].y=thumb.top + PointDepth;
points[2].x=thumb.right;
points[2].y=thumb.bottom;
points[3].x=thumb.left;
points[3].y=thumb.bottom;
points[4].x=thumb.left;
points[4].y=thumb.top + PointDepth;
points[5].x=points[0].x;
points[5].y=points[0].y;
BlackUntil = 4;
/* 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
{
points[0].x=thumb.right;
points[0].y=thumb.top;
points[1].x=thumb.right;
points[1].y=thumb.bottom - PointDepth;
points[2].x=(thumb.right - thumb.left) / 2 + thumb.left + 1;
points[2].y=thumb.bottom;
points[3].x=thumb.left;
points[3].y=thumb.bottom - PointDepth;
points[4].x=thumb.left;
points[4].y=thumb.top;
points[5].x=points[0].x;
points[5].y=points[0].y;
/* 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);
}
}
/* Draw the thumb now */
Polygon (hdc, points, PointCount);
oldpen = SelectObject(hdc, GetStockObject(BLACK_PEN));
Polyline(hdc,points, BlackUntil);
SelectObject(hdc, GetStockObject(WHITE_PEN));
Polyline(hdc, &points[BlackUntil-1], PointCount+1-BlackUntil);
SelectObject(hdc, oldpen);
SelectObject(hdc, oldbr);
}
}