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LibGUI+LibDraw: Add "Palette" concept for scoped color theming
GApplication now has a palette. This palette contains all the system theme colors by default, and is inherited by a new top-level GWidget. New child widgets inherit their parents palette. It is possible to override the GApplication palette, and the palette of any GWidget. The Palette object contains a bunch of colors, each corresponding to a ColorRole. Each role has a convenience getter as well. Each GWidget now has a background_role() and foreground_role(), which are then looked up in their current palette when painting. This means that you no longer alter the background color of a widget by setting it directly, rather you alter either its background role, or the widget's palette.
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62 changed files with 448 additions and 410 deletions
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@ -4,6 +4,7 @@
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#include <AK/String.h>
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#include <AK/Types.h>
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enum class ColorRole;
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typedef u32 RGBA32;
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inline constexpr u32 make_rgb(u8 r, u8 g, u8 b)
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@ -11,38 +12,6 @@ inline constexpr u32 make_rgb(u8 r, u8 g, u8 b)
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return ((r << 16) | (g << 8) | b);
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}
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enum class SystemColor {
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DesktopBackground,
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ActiveWindowBorder1,
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ActiveWindowBorder2,
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ActiveWindowTitle,
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InactiveWindowBorder1,
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InactiveWindowBorder2,
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InactiveWindowTitle,
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MovingWindowBorder1,
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MovingWindowBorder2,
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MovingWindowTitle,
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HighlightWindowBorder1,
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HighlightWindowBorder2,
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HighlightWindowTitle,
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MenuStripe,
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MenuBase,
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MenuSelection,
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Window,
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WindowText,
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Button,
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ButtonText,
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Base,
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ThreedHighlight,
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ThreedShadow1,
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ThreedShadow2,
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HoverHighlight,
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Selection,
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SelectionText,
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DisabledText = ThreedShadow1,
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};
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class Color {
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public:
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enum NamedColor {
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@ -71,7 +40,6 @@ public:
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Color() {}
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Color(NamedColor);
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Color(SystemColor);
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Color(u8 r, u8 g, u8 b)
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: m_value(0xff000000 | (r << 16) | (g << 8) | b)
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{
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