Demos: Start working on a simple WidgetGallery app.

It's good to have a place where we can try out all the different widgets.
This needs some more work on a nice layout, and should also include more
of the widgets. :^)

Demos/WidgetGallery/.gitignore

@@ -0,0 +1,3 @@
+*.o
+*.d
+WidgetGallery

Demos/WidgetGallery/Makefile

@@ -0,0 +1,22 @@
+include ../../Makefile.common
+
+OBJS = \
+    main.o
+
+APP = WidgetGallery
+
+DEFINES += -DUSERLAND
+
+all: $(APP)
+
+$(APP): $(OBJS)
+	$(LD) -o $(APP) $(LDFLAGS) $(OBJS) -lgui -lcore -lc
+
+.cpp.o:
+	@echo "CXX $<"; $(CXX) $(CXXFLAGS) -o $@ -c $<
+
+-include $(OBJS:%.o=%.d)
+
+clean:
+	@echo "CLEAN"; rm -f $(APP) $(OBJS) *.d
+

Demos/WidgetGallery/main.cpp

@@ -0,0 +1,82 @@
+#include <LibGUI/GApplication.h>
+#include <LibGUI/GWindow.h>
+#include <LibGUI/GWidget.h>
+#include <LibGUI/GLabel.h>
+#include <LibGUI/GButton.h>
+#include <LibGUI/GBoxLayout.h>
+#include <LibGUI/GCheckBox.h>
+#include <LibGUI/GRadioButton.h>
+#include <LibGUI/GTextBox.h>
+#include <LibGUI/GProgressBar.h>
+#include <LibGUI/GScrollBar.h>
+#include <LibGUI/GSlider.h>
+#include <LibGUI/GSpinBox.h>
+#include <LibGUI/GGroupBox.h>
+#include <LibCore/CTimer.h>
+
+int main(int argc, char** argv)
+{
+    GApplication app(argc, argv);
+
+    auto* window = new GWindow;
+    window->set_rect(100, 100, 320, 480);
+    window->set_title("Widget Gallery");
+
+    auto* main_widget = new GWidget;
+    window->set_main_widget(main_widget);
+    main_widget->set_fill_with_background_color(true);
+    main_widget->set_layout(make<GBoxLayout>(Orientation::Vertical));
+    main_widget->layout()->set_margins({ 4, 4, 4, 4 });
+
+    auto* checkbox1 = new GCheckBox("GCheckBox 1", main_widget);
+    auto* checkbox2 = new GCheckBox("GCheckBox 2", main_widget);
+    checkbox2->set_enabled(false);
+
+    auto* radio1 = new GRadioButton("GRadioButton 1", main_widget);
+    auto* radio2 = new GRadioButton("GRadioButton 2", main_widget);
+    radio2->set_enabled(false);
+
+    auto* button1 = new GButton("GButton 1", main_widget);
+    auto* button2 = new GButton("GButton 2", main_widget);
+    button2->set_enabled(false);
+
+    auto* progress1 = new GProgressBar(main_widget);
+    new CTimer(100, [progress1] {
+        progress1->set_value(progress1->value() + 1);
+        if (progress1->value() == progress1->max())
+            progress1->set_value(progress1->min());
+    });
+
+    auto* label1 = new GLabel("GLabel 1", main_widget);
+    auto* label2 = new GLabel("GLabel 2", main_widget);
+    label2->set_enabled(false);
+
+    auto* textbox1 = new GTextBox(main_widget);
+    textbox1->set_text("GTextBox 1");
+    auto* textbox2 = new GTextBox(main_widget);
+    textbox2->set_text("GTextBox 2");
+    textbox2->set_enabled(false);
+
+    auto* spinbox1 = new GSpinBox(main_widget);
+    auto* spinbox2 = new GSpinBox(main_widget);
+    spinbox2->set_enabled(false);
+
+    auto* slider1 = new GSlider(main_widget);
+    auto* slider2 = new GSlider(main_widget);
+    slider2->set_enabled(false);
+
+    auto* scrollbar1 = new GScrollBar(Orientation::Horizontal, main_widget);
+    scrollbar1->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
+    scrollbar1->set_preferred_size({ 0, 16 });
+    scrollbar1->set_min(0);
+    scrollbar1->set_max(100);
+    scrollbar1->set_value(50);
+    auto* scrollbar2 = new GScrollBar(Orientation::Horizontal, main_widget);
+    scrollbar2->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
+    scrollbar2->set_preferred_size({ 0, 16 });
+    scrollbar2->set_enabled(false);
+
+    window->show();
+
+    return app.exec();
+}

Kernel/makeall.sh

@@ -33,6 +33,7 @@ build_targets="$build_targets ../Games/Snake"
 build_targets="$build_targets ../Shell"
 build_targets="$build_targets ../Demos/HelloWorld"
 build_targets="$build_targets ../Demos/RetroFetch"
+build_targets="$build_targets ../Demos/WidgetGallery"
 build_targets="$build_targets ." # the kernel
 
 for targ in $build_targets; do

Kernel/sync.sh

@@ -81,6 +81,8 @@ cp -v kernel.map mnt/
 cp -v ../Demos/HelloWorld/HelloWorld mnt/bin/HelloWorld
 ln -s HelloWorld mnt/bin/hw
 cp -v ../Demos/RetroFetch/RetroFetch mnt/bin/RetroFetch
+cp -v ../Demos/WidgetGallery/WidgetGallery mnt/bin/WidgetGallery
+ln -s WidgetGallery mnt/bin/wg
 
 # Run local sync script, if it exists
 if [ -f sync-local.sh ]; then

LibGUI/GButton.cpp

@@ -10,6 +10,11 @@ GButton::GButton(GWidget* parent)
 {
 }
 
+GButton::GButton(const String& text, GWidget* parent)
+    : GAbstractButton(text, parent)
+{
+}
+
 GButton::~GButton()
 {
     if (m_action)

LibGUI/GButton.h

@@ -11,6 +11,7 @@ class GAction;
 
 class GButton : public GAbstractButton {
 public:
+    GButton(const String& text, GWidget* parent);
     explicit GButton(GWidget* parent);
     virtual ~GButton() override;
 

LibGUI/GCheckBox.cpp

@@ -25,8 +25,11 @@ static const int s_box_height = 13;
 GCheckBox::GCheckBox(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();
+}
+
+GCheckBox::GCheckBox(const String& text, GWidget* parent)
+    : GAbstractButton(text, parent)
+{
 }
 
 GCheckBox::~GCheckBox()
@@ -57,8 +60,11 @@ void GCheckBox::paint_event(GPaintEvent& event)
     if (is_being_pressed())
         painter.draw_rect(box_rect.shrunken(4, 4), Color::MidGray);
 
-    if (is_checked())
+    if (is_checked()) {
+        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();
         painter.draw_bitmap(box_rect.shrunken(4, 4).location(), *s_checked_bitmap, foreground_color());
+    }
 
     if (!text().is_empty()) {
         painter.draw_text(text_rect, text(), TextAlignment::TopLeft, foreground_color());

LibGUI/GCheckBox.h

@@ -6,6 +6,7 @@
 
 class GCheckBox : public GAbstractButton {
 public:
+    GCheckBox(const String&, GWidget* parent);
     explicit GCheckBox(GWidget* parent);
     virtual ~GCheckBox() override;