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LibGUI: Make GUI::ColorPicker interactive

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There is now a `on_color_changed` callback that clients can optionally
hook into to receive real-time updates while the user is picking a
color. If the user hits Cancel, the callback gets called once more with
the color passed in while constructing `ColorPicker`. If the user hits
OK, the same happens with the currently selected color instead.

Programs therefore can perform all their updates with this callback, and
only care about `ExecResult` if they want to make a decision, like if we
should write the result to `ConfigServer`, for example.
This commit is contained in:
Valtteri Koskivuori 2023-07-21 00:51:05 +03:00 • committed by Ali Mohammad Pur
parent ca1a98ba9f
commit 825c9eaeb1
3 changed files with 13 additions and 2 deletions
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2
Userland/Libraries/LibGUI/ColorPicker.h
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@ -26,6 +26,7 @@ public:
bool color_has_alpha_channel() const { return m_color_has_alpha_channel; }
void set_color_has_alpha_channel(bool);
Color color() const { return m_color; }
Function<void(Color)> on_color_changed;
private:
explicit ColorPicker(Color, Window* parent_window = nullptr, DeprecatedString title = "Color Picker");
@ -36,6 +37,7 @@ private:
void update_color_widgets();
void create_color_button(Widget& container, unsigned rgb);
Color m_original_color;
Color m_color;
bool m_color_has_alpha_channel { true };