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LibDraw+LibGUI: Allow changing individual colors in a Palette
Palette is now a value wrapper around a NonnullRefPtr<PaletteImpl>. A new function, set_color(ColorRole, Color) implements a simple copy-on-write mechanism so that we're sharing the PaletteImpl in the common case, but allowing you to create custom palettes if you like, by getting a GWidget's palette, modifying it, and then assigning the modified palette to the widget via GWidget::set_palette(). Use this to make PaintBrush show its palette colors once again. Fixes #943.
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18 changed files with 98 additions and 40 deletions
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@ -8,6 +8,7 @@
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#include <LibDraw/Color.h>
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#include <LibDraw/Font.h>
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#include <LibDraw/Orientation.h>
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#include <LibDraw/Palette.h>
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#include <LibDraw/Rect.h>
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#include <LibDraw/SystemTheme.h>
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#include <LibGUI/GEvent.h>
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@ -22,7 +23,6 @@ class GLayout;
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class GMenu;
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class GWindow;
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class GraphicsBitmap;
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class Palette;
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enum class SizePolicy {
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Fixed,
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@ -237,7 +237,7 @@ public:
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void do_layout();
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const Palette& palette() const { return *m_palette; }
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Palette palette() const { return Palette(*m_palette); }
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void set_palette(const Palette&);
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protected:
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@ -301,7 +301,7 @@ private:
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HashMap<GShortcut, GAction*> m_local_shortcut_actions;
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NonnullRefPtr<Palette> m_palette;
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NonnullRefPtr<PaletteImpl> m_palette;
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};
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template<>
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