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WindowServer+LibGUI: Pass window icons as shared buffers rather than paths.

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Now that we support more than 2 clients per shared buffer, we can use them
for window icons. I didn't do that previously since it would have made the
Taskbar process unable to access the icons.

This opens up some nice possibilities for programmatically generated icons.
This commit is contained in:
Andreas Kling 2019-07-28 10:18:49 +02:00
parent 63619b9f7c
commit 841b2e5d13
21 changed files with 193 additions and 19 deletions
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5
Libraries/LibGUI/GWindow.h
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@ -122,6 +122,9 @@ public:
String icon_path() const { return m_icon_path; }
void set_icon_path(const StringView&);
void set_icon(const GraphicsBitmap*);
const GraphicsBitmap* icon() const { return m_icon.ptr(); }
Vector<GWidget*> focusable_widgets() const;
protected:
@ -135,11 +138,13 @@ private:
void collect_keyboard_activation_targets();
NonnullRefPtr<GraphicsBitmap> create_backing_bitmap(const Size&);
NonnullRefPtr<GraphicsBitmap> create_shared_bitmap(GraphicsBitmap::Format, const Size&);
void set_current_backing_bitmap(GraphicsBitmap&, bool flush_immediately = false);
void flip(const Vector<Rect, 32>& dirty_rects);
RefPtr<GraphicsBitmap> m_front_bitmap;
RefPtr<GraphicsBitmap> m_back_bitmap;
RefPtr<GraphicsBitmap> m_icon;
int m_window_id { 0 };
float m_opacity_when_windowless { 1.0f };
GWidget* m_main_widget { nullptr };