LibGUI: Allow disabling the alpha channel in ColorInput widgets

abyesilyurt · Apr 29, 2020 · c710738 · c710738
1 parent 17e76b4
commit c710738
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Showing 2 changed files with 19 additions and 1 deletion.
diff --git a/Libraries/LibGUI/ColorInput.cpp b/Libraries/LibGUI/ColorInput.cpp
@@ -70,6 +70,19 @@ void ColorInput::set_color(Color color)
  set_text(color.to_string());
 };
 
+void ColorInput::set_color_has_alpha_channel(bool has_alpha)
+{
+ if (m_color_has_alpha_channel == has_alpha)
+ return;
+
+ m_color_has_alpha_channel = has_alpha;
+ m_color.set_alpha(0xff);
+ if (!has_alpha)
+ set_text(m_color.to_string_without_alpha());
+ else
+ set_text(m_color.to_string());
+}
+
 void ColorInput::mousedown_event(MouseEvent& event)
 {
  if (event.button() == MouseButton::Left) {

diff --git a/Libraries/LibGUI/ColorInput.h b/Libraries/LibGUI/ColorInput.h
@@ -35,9 +35,11 @@ class ColorInput final : public TextEditor {
  C_OBJECT(ColorInput);
 
 public:
- ColorInput();
  virtual ~ColorInput() override;
 
+ bool has_alpha_channel() const { return m_color_has_alpha_channel; }
+ void set_color_has_alpha_channel(bool);
+
  void set_color(Color);
  Color color() { return m_color; }
 
@@ -52,11 +54,14 @@ class ColorInput final : public TextEditor {
  virtual void paint_event(PaintEvent&) override;
 
 private:
+ ColorInput();
+
  Gfx::Rect color_rect() const;
  void set_color_without_changing_text(Color);
 
  Color m_color;
  String m_color_picker_title { "Select color" };
+ bool m_color_has_alpha_channel { true };
 };
 
 }