Guichan library and few examples, by Lubomyr

project/jni/application/guichan-widgets/widgets.hpp

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+/**
+ * Code to populate a global Gui object with all the widgets
+ * of Guichan.
+ */
+
+namespace widgets
+{
+    gcn::ImageFont* font;
+    gcn::Container* top;
+    gcn::Label* label;
+    gcn::Icon* icon;
+    gcn::Button* button;
+    gcn::TextField* textField;
+    gcn::TextBox* textBox;
+    gcn::ScrollArea* textBoxScrollArea;
+    gcn::ListBox* listBox;
+    gcn::DropDown* dropDown;
+    gcn::CheckBox* checkBox1;
+    gcn::CheckBox* checkBox2;
+    gcn::RadioButton* radioButton1;
+    gcn::RadioButton* radioButton2;
+    gcn::RadioButton* radioButton3;
+    gcn::Slider* slider;
+    gcn::Image *image;
+    gcn::Window *window;
+    gcn::Image *darkbitsImage;
+    gcn::Icon* darkbitsIcon;
+    gcn::TabbedArea* tabbedArea;
+    gcn::Button* tabOneButton;
+    gcn::CheckBox* tabTwoCheckBox;
+
+    /*
+     * List boxes and drop downs need an instance of a list model
+     * in order to display a list.
+     */
+    class DemoListModel : public gcn::ListModel
+    {
+    public:
+        int getNumberOfElements()
+        {
+            return 5;
+        }
+
+        std::string getElementAt(int i)
+        {
+            switch(i)
+            {
+              case 0:
+                  return std::string("zero");
+              case 1:
+                  return std::string("one");
+              case 2:
+                  return std::string("two");
+              case 3:
+                  return std::string("three");
+              case 4:
+                  return std::string("four");
+              default: // Just to keep warnings away
+                  return std::string("");
+            }
+        }
+    };
+
+    DemoListModel demoListModel;
+
+    /**
+     * Initialises the widgets example by populating the global Gui
+     * object.
+     */
+    void init()
+    {
+        // We first create a container to be used as the top widget.
+        // The top widget in Guichan can be any kind of widget, but
+        // in order to make the Gui contain more than one widget we
+        // make the top widget a container.
+        top = new gcn::Container();
+        // We set the dimension of the top container to match the screen.
+        top->setDimension(gcn::Rectangle(0, 0, 640, 480));
+        // Finally we pass the top widget to the Gui object.
+        globals::gui->setTop(top);
+
+        // Now we load the font used in this example.
+        font = new gcn::ImageFont("fixedfont.bmp", " abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789");
+        // Widgets may have a global font so we don't need to pass the
+        // font object to every created widget. The global font is static.
+        gcn::Widget::setGlobalFont(font);
+
+        // Now we create the widgets
+
+        label = new gcn::Label("Label");
+
+        image = gcn::Image::load("gui-chan.bmp");
+        icon = new gcn::Icon(image);
+
+        button = new gcn::Button("Button");
+
+        textField = new gcn::TextField("Text field");
+
+        textBox = new gcn::TextBox("Multiline\nText box");
+        textBoxScrollArea = new gcn::ScrollArea(textBox);
+        textBoxScrollArea->setWidth(200);
+        textBoxScrollArea->setHeight(100);
+        textBoxScrollArea->setFrameSize(1);
+
+        listBox = new gcn::ListBox(&demoListModel);
+        listBox->setFrameSize(1);
+        dropDown = new gcn::DropDown(&demoListModel);
+        
+        checkBox1 = new gcn::CheckBox("Checkbox 1");
+        checkBox2 = new gcn::CheckBox("Checkbox 2");
+
+        radioButton1 = new gcn::RadioButton("RadioButton 1", "radiogroup", true);
+        radioButton2 = new gcn::RadioButton("RadioButton 2", "radiogroup");
+        radioButton3 = new gcn::RadioButton("RadioButton 3", "radiogroup");
+
+        slider = new gcn::Slider(0, 10);
+        slider->setSize(100, 10);
+
+        window = new gcn::Window("I am a window  Drag me");
+        window->setBaseColor(gcn::Color(255, 150, 200, 190));
+
+        darkbitsImage = gcn::Image::load("darkbitslogo_by_haiko.bmp");
+        darkbitsIcon = new gcn::Icon(darkbitsImage);
+        window->add(darkbitsIcon);
+        window->resizeToContent();
+
+        tabbedArea = new gcn::TabbedArea();
+        tabbedArea->setSize(200, 100);
+        tabOneButton = new gcn::Button("A button in tab 1");
+        tabbedArea->addTab("Tab 1", tabOneButton);
+        tabTwoCheckBox = new gcn::CheckBox("A check box in tab 2");
+        tabbedArea->addTab("Tab 2", tabTwoCheckBox);
+
+        // Now it's time to add the widgets to the top container
+        // so they will be conected to the GUI.
+        
+        top->add(label, 10, 10);
+        top->add(icon, 10, 30);
+        top->add(button, 200, 10);
+        top->add(textField, 250, 10);
+        top->add(textBoxScrollArea, 200, 50);
+        top->add(listBox, 200, 200);
+        top->add(dropDown, 500, 10);
+        top->add(checkBox1, 500, 130);
+        top->add(checkBox2, 500, 150);
+        top->add(radioButton1, 500, 200);
+        top->add(radioButton2, 500, 220);
+        top->add(radioButton3, 500, 240);
+        top->add(slider, 500, 300);
+        top->add(window, 50, 350);
+        top->add(tabbedArea, 400, 350);
+    }
+    
+    /**
+     * Halts the widgets example.
+     */
+    void halt()
+    {
+        delete font;
+        delete top;
+        delete label;
+        delete icon;
+        delete button;
+        delete textField;
+        delete textBox;
+        delete textBoxScrollArea;
+        delete listBox;
+        delete dropDown;
+        delete checkBox1;
+        delete checkBox2;
+        delete radioButton1;
+        delete radioButton2;
+        delete radioButton3;
+        delete slider;
+        delete window;
+        delete darkbitsIcon;
+        delete darkbitsImage;
+        delete tabbedArea;
+        delete tabOneButton;
+        delete tabTwoCheckBox;
+    }
+}