[example] Add ImageTextButton in widgets_example

examples/widgets_example.hpp

@@ -63,6 +63,13 @@ namespace WidgetsExample
             imageButton->setSize(220, 90);
             imageButton->addActionListener(this);
 
+            imageTextButton = std::make_unique<gcn::ImageTextButton>("guisan-logo.png", "Change color");
+            imageTextButton->setSize(220, 100);
+            imageTextButton->setAlignment(gcn::ImageTextButton::TOP);
+            imageTextButton->addActionListener(this);
+
+            imageButton->setSize(220, 90);
+            imageButton->addActionListener(this);
             inputBox = std::make_unique<gcn::InputBox>("Change name", " Set name of label ");
 
             inputBox->setVisible(false);
@@ -141,6 +148,7 @@ namespace WidgetsExample
             top->add(icon.get(), 10, 10);
             top->add(button.get(), 325, 10);
             top->add(imageButton.get(), 10, 290);
+            top->add(imageTextButton.get(), 10, 380);
             top->add(textField.get(), 375, 10);
             top->add(textBoxScrollArea.get(), 290, 50);
             top->add(inputBox.get(), 270, 180);
@@ -170,7 +178,8 @@ namespace WidgetsExample
                 inputBox->setVisible(true);
                 top->moveToTop(inputBox.get());
             }
-            else if (actionEvent.getSource() == imageButton.get())
+            else if (actionEvent.getSource() == imageButton.get()
+                     || actionEvent.getSource() == imageTextButton.get())
             {
                 const gcn::Color colours[] = {gcn::Color(212, 255, 150, 190),
                                               gcn::Color(212, 0, 0, 190),
@@ -216,6 +225,7 @@ namespace WidgetsExample
         std::unique_ptr<gcn::Icon> icon; // An icon (image)
         std::unique_ptr<gcn::Button> button; // A button
         std::unique_ptr<gcn::ImageButton> imageButton; // An image button
+        std::unique_ptr<gcn::ImageTextButton> imageTextButton; // An image text button
         std::unique_ptr<gcn::InputBox> inputBox; // An input box
         std::unique_ptr<gcn::TextField> textField; // One-line text field
         std::unique_ptr<gcn::TextBox> textBox; // Multi-line text box

include/guisan/widgets/imagetextbutton.hpp

@@ -91,27 +91,13 @@ namespace gcn
         /**
          * Destructor.
          */
-        ~ImageTextButton() override;
+        ~ImageTextButton() override = default;
 
         /**
          * Adjusts the size of the image button to fit the image.
          */
         void adjustSize();
 
-        /**
-         * Sets the image to display.
-         *
-         * @param image The image to display.
-         */
-        void setImage(Image* image);
-
-        /**
-         * Gets the image of the image button.
-         *
-         * @return The image of the image button.
-         */
-        Image* getImage();
-
         // Inherited from Widget
 
         void draw(gcn::Graphics* graphics) override;
@@ -141,14 +127,6 @@ namespace gcn
         };
 
     protected:
-        gcn::Image* mImage = nullptr;
-
-        /**
-         * True if the image has been loaded internally, false otherwise.
-         * An image not loaded internally should not be deleted in the
-         * destructor.
-         */
-        bool mInternalImage = false;
         unsigned int mAlignment = ImageTextButton::BOTTOM;
     };
 }

src/widgets/imagetextbutton.cpp

@@ -81,12 +81,6 @@ namespace gcn
         setHeight(mImage->getHeight() + mImage->getHeight() / 2);
     }
 
-    ImageTextButton::~ImageTextButton()
-    {
-        if (mInternalImage)
-            delete mImage;
-    }
-
     void ImageTextButton::adjustSize()
     {
         switch(getAlignment())
@@ -113,19 +107,6 @@ namespace gcn
         }
     }
 
-    void ImageTextButton::setImage(Image* image)
-    {
-        if (mInternalImage)
-            delete mImage;
-        mImage = image;
-        mInternalImage = false;
-    }
-
-    Image* ImageTextButton::getImage()
-    {
-        return mImage;
-    }
-
     void ImageTextButton::draw(Graphics* graphics)
     {
         gcn::Color faceColor = getBaseColor();