LibGUI: Make GCheckBox inherit from GAbstractButton.

Applications/FontEditor/FontEditor.cpp

@@ -39,7 +39,7 @@ FontEditorWidget::FontEditorWidget(const String& path, RetainPtr<Font>&& edited_
 
     auto* fixed_width_checkbox = new GCheckBox(font_group_box);
     fixed_width_checkbox->set_relative_rect(10, 45, 190, 20);
-    fixed_width_checkbox->set_caption("Fixed width");
+    fixed_width_checkbox->set_text("Fixed width");
     fixed_width_checkbox->set_checked(m_edited_font->is_fixed_width());
 
     m_path_textbox = new GTextBox(this);
@@ -102,8 +102,8 @@ FontEditorWidget::FontEditorWidget(const String& path, RetainPtr<Font>&& edited_
         info_label->set_text(String::format("0x%b (%c)", glyph, glyph));
     };
 
-    fixed_width_checkbox->on_change = [this, width_spinbox, update_demo] (GCheckBox&, bool is_checked) {
-        m_edited_font->set_fixed_width(is_checked);
+    fixed_width_checkbox->on_checked = [this, width_spinbox, update_demo] (bool checked) {
+        m_edited_font->set_fixed_width(checked);
         width_spinbox->set_value(m_edited_font->glyph_width(m_glyph_map_widget->selected_glyph()));
         m_glyph_editor_widget->update();
         update_demo();

Demos/HelloWorld/main.cpp

@@ -24,7 +24,7 @@ int main(int argc, char** argv)
     label->set_text("Hello World!");
 
     auto* button = new GButton(main_widget);
-    button->set_caption("Good-bye");
+    button->set_text("Good-bye");
     button->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
     button->set_preferred_size({ 0, 20 });
     button->on_click = [&] (GButton&) {

DevTools/VisualBuilder/VBWidget.cpp

@@ -161,7 +161,7 @@ void VBWidget::setup_properties()
     }
 
     if (m_type == VBWidgetType::GCheckBox) {
-        VB_ADD_PROPERTY(GCheckBox, "caption", caption, set_caption, string);
+        VB_ADD_PROPERTY(GCheckBox, "caption", text, set_text, string);
         VB_ADD_PROPERTY(GCheckBox, "checked", is_checked, set_checked, bool);
     }
 }

DevTools/VisualBuilder/VBWidgetRegistry.cpp

@@ -73,7 +73,7 @@ static GWidget* build_gwidget(VBWidgetType type, GWidget* parent)
     }
     case VBWidgetType::GCheckBox: {
         auto* box = new GCheckBox(parent);
-        box->set_caption("checkbox_1");
+        box->set_text("checkbox_1");
         return box;
     }
     default:

LibGUI/GAbstractButton.cpp

@@ -29,6 +29,8 @@ void GAbstractButton::set_checked(bool checked)
         return;
     m_checked = checked;
     update();
+    if (on_checked)
+        on_checked(checked);
 }
 
 void GAbstractButton::set_checkable(bool checkable)

LibGUI/GAbstractButton.h

@@ -6,6 +6,8 @@ class GAbstractButton : public GWidget {
 public:
     virtual ~GAbstractButton() override;
 
+    Function<void(bool)> on_checked;
+
     void set_text(const String&);
     const String& text() const { return m_text; }
 
@@ -19,8 +21,8 @@ public:
     bool is_being_pressed() const { return m_being_pressed; }
 
     virtual void click() = 0;
-
     virtual const char* class_name() const override { return "GAbstractButton"; }
+    virtual bool accepts_focus() const override { return true; }
 
 protected:
     explicit GAbstractButton(GWidget* parent);

LibGUI/GCheckBox.cpp

@@ -4,8 +4,6 @@
 #include <SharedGraphics/StylePainter.h>
 #include <Kernel/KeyCode.h>
 
-//#define GCHECKBOX_DEBUG
-
 static const char* s_checked_bitmap_data = {
     "         "
     "       # "
@@ -25,7 +23,7 @@ static const int s_box_width = 13;
 static const int s_box_height = 13;
 
 GCheckBox::GCheckBox(GWidget* parent)
-    : GWidget(parent)
+    : GAbstractButton(parent)
 {
     if (!s_checked_bitmap)
         s_checked_bitmap = &CharacterBitmap::create_from_ascii(s_checked_bitmap_data, s_checked_bitmap_width, s_checked_bitmap_height).leak_ref();
@@ -35,24 +33,6 @@ GCheckBox::~GCheckBox()
 {
 }
 
-void GCheckBox::set_caption(const String& caption)
-{
-    if (caption == m_caption)
-        return;
-    m_caption = caption;
-    update();
-}
-
-void GCheckBox::set_checked(bool b)
-{
-    if (m_checked == b)
-        return;
-    m_checked = b;
-    if (on_change)
-        on_change(*this, b);
-    update();
-}
-
 void GCheckBox::paint_event(GPaintEvent& event)
 {
     GPainter painter(*this);
@@ -60,7 +40,7 @@ void GCheckBox::paint_event(GPaintEvent& event)
 
     auto text_rect = rect();
     text_rect.set_left(s_box_width + 4);
-    text_rect.set_width(font().width(m_caption));
+    text_rect.set_width(font().width(text()));
     text_rect.set_top(height() / 2 - font().glyph_height() / 2);
     text_rect.set_height(font().glyph_height());
 
@@ -74,14 +54,14 @@ void GCheckBox::paint_event(GPaintEvent& event)
     painter.fill_rect(box_rect, Color::White);
     StylePainter::paint_frame(painter, box_rect, FrameShape::Container, FrameShadow::Sunken, 2);
 
-    if (m_being_modified)
+    if (is_being_pressed())
         painter.draw_rect(box_rect.shrunken(4, 4), Color::MidGray);
 
-    if (m_checked)
+    if (is_checked())
         painter.draw_bitmap(box_rect.shrunken(4, 4).location(), *s_checked_bitmap, foreground_color());
 
-    if (!caption().is_empty()) {
-        painter.draw_text(text_rect, caption(), TextAlignment::TopLeft, foreground_color());
+    if (!text().is_empty()) {
+        painter.draw_text(text_rect, text(), TextAlignment::TopLeft, foreground_color());
         if (is_focused()) {
             Rect focus_rect = text_rect;
             focus_rect.inflate(6, 4);
@@ -90,50 +70,9 @@ void GCheckBox::paint_event(GPaintEvent& event)
     }
 }
 
-void GCheckBox::mousemove_event(GMouseEvent& event)
-{
-    if (event.buttons() == GMouseButton::Left) {
-        bool being_modified = rect().contains(event.position());
-        if (being_modified != m_being_modified) {
-            m_being_modified = being_modified;
-            update();
-        }
-    }
-    GWidget::mousemove_event(event);
-}
-
-void GCheckBox::mousedown_event(GMouseEvent& event)
-{
-#ifdef GCHECKBOX_DEBUG
-    dbgprintf("GCheckBox::mouse_down_event: x=%d, y=%d, button=%u\n", event.x(), event.y(), (unsigned)event.button());
-#endif
-    if (event.button() == GMouseButton::Left) {
-        m_being_modified = true;
-        update();
-    }
-    GWidget::mousedown_event(event);
-}
-
-void GCheckBox::mouseup_event(GMouseEvent& event)
+void GCheckBox::click()
 {
-#ifdef GCHECKBOX_DEBUG
-    dbgprintf("GCheckBox::mouseup_event: x=%d, y=%d, button=%u\n", event.x(), event.y(), (unsigned)event.button());
-#endif
-    if (event.button() == GMouseButton::Left) {
-        bool was_being_pressed = m_being_modified;
-        m_being_modified = false;
-        if (was_being_pressed)
-            set_checked(!is_checked());
-        update();
-    }
-    GWidget::mouseup_event(event);
-}
-
-void GCheckBox::keydown_event(GKeyEvent& event)
-{
-    if (event.key() == KeyCode::Key_Space) {
-        set_checked(!is_checked());
-        update();
-    }
-    GWidget::keydown_event(event);
+    if (!is_enabled())
+        return;
+    set_checked(!is_checked());
 }

LibGUI/GCheckBox.h

@@ -1,34 +1,19 @@
 #pragma once
 
-#include "GWidget.h"
 #include <AK/AKString.h>
 #include <AK/Function.h>
+#include <LibGUI/GAbstractButton.h>
 
-class GCheckBox final : public GWidget {
+class GCheckBox : public GAbstractButton {
 public:
     explicit GCheckBox(GWidget* parent);
     virtual ~GCheckBox() override;
 
-    String caption() const { return m_caption; }
-    void set_caption(const String&);
-
-    bool is_checked() const { return m_checked; }
-    void set_checked(bool);
-
-    Function<void(GCheckBox&, bool)> on_change;
+    virtual void click() override;
 
     virtual const char* class_name() const override { return "GCheckBox"; }
 
 private:
     virtual void paint_event(GPaintEvent&) override;
-    virtual void mousedown_event(GMouseEvent&) override;
-    virtual void mouseup_event(GMouseEvent&) override;
-    virtual void mousemove_event(GMouseEvent&) override;
-    virtual void keydown_event(GKeyEvent&) override;
-    virtual bool accepts_focus() const override { return true; }
-
-    String m_caption;
-    bool m_checked { false };
-    bool m_being_modified { false };
 };
 

Userland/guitest2.cpp

@@ -113,7 +113,7 @@ GWindow* make_launcher_window()
 
     auto* checkbox = new GCheckBox(widget);
     checkbox->set_relative_rect({ 5, 170, 90, 20 });
-    checkbox->set_caption("CheckBox");
+    checkbox->set_text("CheckBox");
 
     window->set_focused_widget(textbox);