[gnome-devel-docs] tutorials C: Radiobutton sample/page

[Tiffany Antopolski <antopolski src gnome org>]

commit 080449de5f54b4c66955e9b867ccf744f716dba8
Author: Monica Kochofar <monicakochofar gmail com>
Date:   Tue Jun 5 21:19:37 2012 -0400

    tutorials C: Radiobutton sample/page

 platform-demos/C/radiobutton.c.page    |   37 +++++++++++++
 platform-demos/C/samples/radiobutton.c |   88 ++++++++++++++++++++++++++++++++
 2 files changed, 125 insertions(+), 0 deletions(-)
---
diff --git a/platform-demos/C/radiobutton.c.page b/platform-demos/C/radiobutton.c.page
new file mode 100644
index 0000000..defce14
--- /dev/null
+++ b/platform-demos/C/radiobutton.c.page
@@ -0,0 +1,37 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<page xmlns="http://projectmallard.org/1.0/";
+      xmlns:xi="http://www.w3.org/2001/XInclude";
+      type="guide" style="task"
+      id="radiobutton.c">
+  <info>
+    <link type="guide" xref="beginner.c#buttons"/>
+    <revision version="0.1" date="2012-06-04" status="draft"/>
+
+    <credit type="author copyright">
+      <name>Monica Kochofar</name>
+      <email>monicakochofar gmail com</email>
+      <years>2012</years>
+    </credit>
+
+    <desc>A choice from multiple checkbuttons.</desc>
+  </info>
+
+  <title>Radiobutton</title>
+
+  <media type="image" mime="image/png" src="media/radiobutton.png"/>
+  <p>These radiobuttons report their activity in the terminal.</p>
+
+      <code mime="text/x-csrc" style="numbered">
+<xi:include href="samples/radiobutton.c" parse="text"><xi:fallback/></xi:include></code>
+<p>
+  In this sample we used the following:
+</p>
+<list>
+  <item><p><link href="http://developer.gnome.org/gtk3/3.4/GtkApplication.html";>GtkApplication</link></p></item>
+  <item><p><link href="http://developer.gnome.org/gtk3/3.4/GtkWindow.html";>GtkWindow</link></p></item>
+  <item><p><link href="http://developer.gnome.org/gtk/stable/GtkLabel.html#gtk-label-new";>GtkLabel</link></p></item>
+  <item><p><link href="http://developer.gnome.org/gtk3/stable/GtkGrid.html";>GtkGrid</link></p></item>
+  <item><p><link href="http://developer.gnome.org/gtk3/stable/GtkSwitch.html";>GtkSwitch</link></p></item>
+  
+</list>
+</page>
diff --git a/platform-demos/C/samples/radiobutton.c b/platform-demos/C/samples/radiobutton.c
new file mode 100644
index 0000000..68e1ee3
--- /dev/null
+++ b/platform-demos/C/samples/radiobutton.c
@@ -0,0 +1,88 @@
+#include <gtk/gtk.h>
+
+/*Signal handler for the "toggled" signal of the RadioButton*/
+static void
+button_toggled_cb (GtkWidget *button,
+                   gpointer   user_data)
+{
+  char *b_state;
+  const char *button_label;
+
+  if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON(button)))
+          b_state = "on";
+  else {
+          b_state = "off";
+          g_print ("\n");
+  }
+
+  button_label = gtk_button_get_label (GTK_BUTTON (button));
+
+  g_print ("%s was turned %s\n", button_label, b_state);
+}
+
+
+static void
+activate (GtkApplication *app,
+          gpointer        user_data)
+{
+  GtkWidget *grid;
+  GtkWidget *window;
+
+  GtkWidget *button1;
+  GtkWidget *button2;
+  GtkWidget *button3;
+
+  /*Create a window with a set title and default size.
+  Also, set a border width for the amount of space to leave
+  inside the window*/
+  window = gtk_application_window_new (app);
+  gtk_window_set_title (GTK_WINDOW (window), "RadioButton Example");
+  gtk_window_set_default_size (GTK_WINDOW (window), 250, 100);
+  gtk_container_set_border_width(GTK_CONTAINER(window), 20);
+
+
+  /*Create an initial radio button*/
+  button1 = gtk_radio_button_new_with_label (NULL, "Button 1");
+
+  /*Create a second radio button, and add it to the same group as Button 1*/
+  button2 = gtk_radio_button_new_with_label_from_widget (GTK_RADIO_BUTTON (button1), "Button 2");
+
+  /*Create a third button, and add it to the same group as Button 1*/
+  button3 = gtk_radio_button_new_with_label_from_widget (GTK_RADIO_BUTTON (button1), "Button 3");
+
+
+  /*Create a grid, attach the buttons, and position them accordingly*/
+  grid = gtk_grid_new();
+  gtk_grid_attach (GTK_GRID (grid), button1, 0, 0, 1, 1);
+  gtk_grid_attach (GTK_GRID (grid), button2, 0, 1, 1, 1);
+  gtk_grid_attach (GTK_GRID (grid), button3, 0, 2, 1, 1);
+
+  /*Be sure to set the initial state of each button*/
+  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button2), TRUE);
+  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button1), FALSE);
+  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button3), FALSE);
+
+  /*Connect the signal handlers (aka Callback functions) to the buttons*/
+  g_signal_connect (GTK_TOGGLE_BUTTON (button1), "toggled", G_CALLBACK (button_toggled_cb), window);
+  g_signal_connect (GTK_TOGGLE_BUTTON (button2), "toggled", G_CALLBACK (button_toggled_cb), window);
+  g_signal_connect (GTK_TOGGLE_BUTTON (button3), "toggled", G_CALLBACK (button_toggled_cb), window);
+
+  gtk_container_add (GTK_CONTAINER (window), GTK_WIDGET (grid));
+
+  gtk_widget_show_all (window);
+}
+
+
+int
+main (int argc, char **argv)
+{
+  GtkApplication *app;
+  int status;
+
+  app = gtk_application_new ("org.gtk.example", 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;
+}