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Applied patch [ 648042 ] Erase background error

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When erasing the background with a transparent
background the logical origin of the provided DC is (re)
set, but not restored to the old value. Restoring the old
value is needed because the DC is/can be shared with
the real draw code...

This patch solves problems like mentioned in bug report
#635217 and problems like controls (like radio controls
etc) that disappear when moving the mouse over them or
clicking on them...

Hans Van Leemputten


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@18141 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Julian Smart
2002-12-09 10:20:44 +00:00
parent 2a2a71e326
commit 635eb8bcc4
1 changed files with 7 additions and 4 deletions
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11
src/univ/winuniv.cpp
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@@ -284,10 +284,10 @@ bool wxWindow::DoDrawBackground(wxDC& dc)
AdjustForParentClientOrigin( pos.x, pos.y, 0 ); AdjustForParentClientOrigin( pos.x, pos.y, 0 );
// Adjust DC logical origin // Adjust DC logical origin
wxCoord x,y; wxCoord org_x, org_y, x, y;
dc.GetLogicalOrigin( &x, &y ); dc.GetLogicalOrigin( &org_x, &org_y );
x += pos.x; x = org_x + pos.x;
y += pos.y; y = org_y + pos.y;
dc.SetLogicalOrigin( x, y ); dc.SetLogicalOrigin( x, y );
// Adjust draw rect // Adjust draw rect
@@ -296,6 +296,9 @@ bool wxWindow::DoDrawBackground(wxDC& dc)
// Let parent draw the background // Let parent draw the background
parent->EraseBackground( dc, rect ); parent->EraseBackground( dc, rect );
// Restore DC logical origin
dc.SetLogicalOrigin( org_x, org_y );
} }
else else
{ {