1 files changed, 175 insertions, 0 deletions
diff --git a/help/sample-gtk.cpp b/help/sample-gtk.cpp
new file mode 100644
index 0000000..02238ed
--- /dev/null
+++ b/help/sample-gtk.cpp
@@ -0,0 +1,175 @@
+#include "GTK3Test.h"
+
+/// GTK Widgets
+GtkWidget *window;
+GtkWidget *windowGrid;
+GtkWidget *radioButton1, *radioButton2;
+GtkWidget *textLabel;
+GtkWidget *textBox;
+GtkWidget *buttonSubmit;
+GtkWidget *buttonCancel;
+GtkWidget *textViewWindow;
+GtkWidget *scrolledwindow;
+
+/// GDK properties
+GdkRGBA color;
+
+void textViewPrint(const char* format, ...)
+{
+  va_list arglist;
+  /// initialize valist for format arguments
+  va_start(arglist, format);
+  char* str;
+  // g_print("--in-print--\n");
+  // vprintf(format, arglist);
+  vsprintf(str, format, arglist);
+  // g_print("text: ");
+  // g_print(str);
+  // g_print("\n");
+  va_end(arglist);
+  // g_print("--text-gen-done--\n");
+
+  GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textViewWindow));
+  // g_print("--buffer-created--\n");
+  gtk_text_buffer_insert_at_cursor(GTK_TEXT_BUFFER(buffer), str, strlen(str));
+  // g_print("--text-buffered--\n");
+  gtk_text_view_set_buffer(GTK_TEXT_VIEW(textViewWindow), buffer);
+  // g_print("--text-printed--\n");
+}
+
+ void setRGB(GdkRGBA* color, int r, int g, int b)
+{
+  color->red = r;
+  color->green = g;
+  color->blue = b;
+  color->alpha = 1;
+}
+
+static void button1(GtkWidget *widget, gpointer data)
+{
+  textViewPrint ("Button1\n");
+}
+
+static void submitClicked(GtkWidget *widget, gpointer data)
+{
+  g_print("Submitted\n");
+  textViewPrint("Submitted\n");
+
+  if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(radioButton1)))
+  {
+    g_print("Radio 1 selected\n");
+    textViewPrint("Radio 1 selected\n");
+  }
+  else
+  {
+    g_print("Radio 2 selected\n");
+    textViewPrint("Radio 2 selected\n");
+  }
+  
+  GtkEntryBuffer *entryBuffer;
+  entryBuffer = gtk_entry_get_buffer(GTK_ENTRY(textBox));
+
+  g_print("Text in textbox: %s\n", gtk_entry_buffer_get_text(GTK_ENTRY_BUFFER(entryBuffer)));
+  textViewPrint("Text in textbox: %s\n", gtk_entry_buffer_get_text(GTK_ENTRY_BUFFER(entryBuffer)));
+
+  int w,h;
+  gtk_window_get_size(GTK_WINDOW(window), &w, &h);
+  
+  g_print("Width: %d, Height: %d\n", w, h);
+  textViewPrint("Width: %i, Height: %i\n", w, h);
+}
+
+static void activate(GtkApplication* app, gpointer user_data)
+{
+  /// Make window
+  window = gtk_application_window_new(app);
+  gtk_window_set_title(GTK_WINDOW(window), "Window");
+  gtk_window_set_default_size(GTK_WINDOW(window), 200, 200);
+
+  /// grid to hold multiple witgets
+  windowGrid = gtk_grid_new();
+  /// Attach grid to window
+  gtk_container_add(GTK_CONTAINER(window), windowGrid);
+  
+  /// Make button
+  GtkWidget *button;
+  button = gtk_button_new_with_label ("Button1");
+  g_signal_connect (button, "clicked", G_CALLBACK (button1), NULL);
+ 
+  /** Place the first button in the grid cell (0, 0), and make it fill
+   * just 1 cell horizontally and vertically (ie no spanning)
+  */
+  gtk_grid_attach(GTK_GRID(windowGrid), button, 0, 0, 1, 1);
+
+  /// Make box for 2 radio buttons
+  // GtkWidget *radioBox;
+  // radioBox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2); // (orientation, number of rows)
+  //gtk_box_set_homogeneous (GTK_BOX(radioBox), TRUE);
+
+  /// Make radio buttons
+  radioButton1 = gtk_radio_button_new_with_label(NULL, "radio1");
+  radioButton2 = gtk_radio_button_new_with_label(NULL, "radio2");
+  gtk_radio_button_set_group(GTK_RADIO_BUTTON(radioButton2), gtk_radio_button_get_group(GTK_RADIO_BUTTON(radioButton1)));
+  gtk_grid_attach(GTK_GRID(windowGrid), radioButton1, 0, 1, 1, 1);
+  gtk_grid_attach(GTK_GRID(windowGrid), radioButton2, 1, 1, 1, 1);
+
+  /// Pack radio buttons in radio box
+  // gtk_box_pack_start(GTK_BOX (radioBox), radioButton1, FALSE, FALSE, 0);
+  // gtk_box_pack_start(GTK_BOX (radioBox), radioButton2, FALSE, FALSE, 0);
+  // gtk_box_pack_start (GTK_BOX(windowGrid), radioBox, FALSE, FALSE, 0);
+
+  /// Make lable for text box
+  textLabel = gtk_label_new ("Enter something: ");
+  gtk_grid_attach(GTK_GRID(windowGrid), textLabel, 0, 2, 1, 1);
+  /// Spacing for widget
+  gtk_widget_set_margin_top(GTK_WIDGET(textLabel), 10);
+  gtk_widget_set_margin_bottom(GTK_WIDGET(textLabel), 10);
+  gtk_widget_set_margin_right(GTK_WIDGET(textLabel), 10);
+  gtk_widget_set_margin_left(GTK_WIDGET(textLabel), 10);
+  
+  /// Make text box
+  textBox = gtk_entry_new();
+  gtk_entry_set_max_length(GTK_ENTRY(textBox), 0);
+  gtk_grid_attach(GTK_GRID(windowGrid), textBox, 1, 2, 1, 1);
+
+  /// Make submit button
+  buttonSubmit = gtk_button_new_with_label ("Submit");
+  g_signal_connect (buttonSubmit, "clicked", G_CALLBACK (submitClicked), NULL);
+  gtk_grid_attach(GTK_GRID(windowGrid), buttonSubmit, 0, 5, 1, 1);
+  setRGB(&color, 0, 1, 0);
+  gtk_widget_override_color(GTK_WIDGET(buttonSubmit), GTK_STATE_FLAG_NORMAL, &color);
+
+  /// Make cancel button
+  buttonCancel = gtk_button_new_with_label ("Cancel");
+  g_signal_connect_swapped (buttonCancel, "clicked", G_CALLBACK (gtk_widget_destroy), window);
+  gtk_grid_attach(GTK_GRID(windowGrid), buttonCancel, 1, 5, 1, 1);
+  setRGB(&color, 1, 0, 0);
+  gtk_widget_override_color(GTK_WIDGET(buttonCancel), GTK_STATE_FLAG_NORMAL, &color);
+
+  /// Make text view widget
+  scrolledwindow = gtk_scrolled_window_new(NULL, NULL);
+  textViewWindow = gtk_text_view_new();
+  gtk_container_add(GTK_CONTAINER(scrolledwindow), textViewWindow);
+  gtk_text_view_set_editable(GTK_TEXT_VIEW(textViewWindow), FALSE);
+  gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(textViewWindow), TRUE);
+  gtk_text_view_set_overwrite(GTK_TEXT_VIEW(textViewWindow), FALSE);
+  //gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(textViewWindow), GTK_WRAP_WORD);
+  gtk_widget_set_size_request(GTK_WIDGET(scrolledwindow), 2, 80);
+  gtk_grid_attach(GTK_GRID(windowGrid), scrolledwindow, 0, 6, 5, 5);
+
+  gtk_widget_show_all (window);
+}
+
+int main (int argc, char **argv)
+{
+  /// Make app
+  GtkApplication *app;
+  int status;
+
+  app = gtk_application_new ("org.git.GTK", G_APPLICATION_FLAGS_NONE);
+  g_signal_connect (app, "activate", G_CALLBACK (activate), NULL);
+  status = g_application_run (G_APPLICATION (app), argc, argv);
+  g_object_unref (app);
+
+  return status;
+}