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Bug 601603. Part 2 - Implement widget appearance that clears the context area where it is positioned. r=roc

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This commit is contained in:
Felipe Gomes 2010-10-19 15:02:24 -02:00
parent e6a0eba957
commit 746b270fda
1 changed files with 36 additions and 0 deletions
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36
widget/src/windows/nsNativeThemeWin.cpp
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@ -1418,6 +1418,42 @@ RENDER_AGAIN:
nsUXThemeData::drawThemeBG(theme, hdc, gripPart, state, &widgetRect, &clipRect);
}
}
else if (aWidgetType == NS_THEME_WINDOW_BUTTON_BOX ||
aWidgetType == NS_THEME_WINDOW_BUTTON_BOX_MAXIMIZED)
{
// The caption buttons are drawn by the DWM, we just need to clear the area where they
// are because we might have drawn something above them (like a background-image).
ctx->Save();
ctx->ResetClip();
ctx->Translate(dr.pos);
// Create a rounded rectangle to follow the buttons' look.
gfxRect buttonbox1(0.0, 0.0, dr.size.width, dr.size.height - 2.0);
gfxRect buttonbox2(1.0, dr.size.height - 2.0, dr.size.width - 1.0, 1.0);
gfxRect buttonbox3(2.0, dr.size.height - 1.0, dr.size.width - 3.0, 1.0);
gfxContext::GraphicsOperator currentOp = ctx->CurrentOperator();
ctx->SetOperator(gfxContext::OPERATOR_CLEAR);
// Each rectangle is drawn individually because OPERATOR_CLEAR takes
// the fallback path to cairo_d2d_acquire_dest if the area to fill
// is a complex region.
ctx->NewPath();
ctx->Rectangle(buttonbox1, PR_TRUE);
ctx->Fill();
ctx->NewPath();
ctx->Rectangle(buttonbox2, PR_TRUE);
ctx->Fill();
ctx->NewPath();
ctx->Rectangle(buttonbox3, PR_TRUE);
ctx->Fill();
ctx->Restore();
ctx->SetOperator(currentOp);
}
nativeDrawing.EndNativeDrawing();