[gnome-devel-docs] tutorials C: Togglebutton sample/page
- From: Tiffany Antopolski <antopolski src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gnome-devel-docs] tutorials C: Togglebutton sample/page
- Date: Thu, 14 Jun 2012 15:52:31 +0000 (UTC)
commit 8fc2250adfeeea4313c7ce25b41e71540ce18d30
Author: Monica Kochofar <monicakochofar gmail com>
Date: Tue Jun 12 19:50:26 2012 -0400
tutorials C: Togglebutton sample/page
platform-demos/C/samples/togglebutton.c | 73 +++++++++++++++++++++++++++++++
platform-demos/C/togglebutton.c.page | 40 +++++++++++++++++
2 files changed, 113 insertions(+), 0 deletions(-)
---
diff --git a/platform-demos/C/samples/togglebutton.c b/platform-demos/C/samples/togglebutton.c
new file mode 100644
index 0000000..8ef7dcf
--- /dev/null
+++ b/platform-demos/C/samples/togglebutton.c
@@ -0,0 +1,73 @@
+#include <gtk/gtk.h>
+
+/*This is the callback function. It is a handler function
+which reacts to the signal. In this case, it will cause the
+spinner to start and stop according to how many times the user
+presses the button.*/
+static void
+button_toggled_cb (GtkWidget *button,
+ gpointer user_data)
+{
+ GtkWidget *spinner = user_data;
+
+ if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON(button)))
+ gtk_spinner_start (GTK_SPINNER (spinner));
+ else {
+ gtk_spinner_stop (GTK_SPINNER (spinner));
+ }
+}
+
+static void
+activate (GtkApplication *app,
+ gpointer user_data)
+{
+ GtkWidget *window;
+ GtkWidget *button;
+ GtkWidget *grid;
+ GtkWidget *spinner;
+
+ /*Create a window with a title, border width and a default size*/
+ window = gtk_application_window_new (app);
+
+ gtk_window_set_title (GTK_WINDOW (window), "ToggleButton Example");
+ gtk_window_set_default_size (GTK_WINDOW (window), 300, 300);
+ gtk_container_set_border_width(GTK_CONTAINER(window), 30);
+
+ /*Create a togglebutton with a label*/
+ button = gtk_toggle_button_new_with_label ("Start/Stop");
+
+ /*Create a spinner, with extra horizontal and vertical space*/
+ spinner = gtk_spinner_new ();
+ gtk_widget_set_hexpand (spinner, TRUE);
+ gtk_widget_set_vexpand (spinner, TRUE);
+
+ /*Create a grid and set the row spacing, attach the togglebutton
+ and spinner onto the grid and position them accordingly*/
+ grid = gtk_grid_new();
+ gtk_grid_set_row_homogeneous (GTK_GRID (grid), FALSE);
+ gtk_grid_set_row_spacing (GTK_GRID (grid), 15);
+
+ gtk_grid_attach (GTK_GRID (grid), spinner, 0, 0, 1, 1);
+ gtk_grid_attach (GTK_GRID (grid), button, 0, 1, 1, 1);
+
+ gtk_container_add (GTK_CONTAINER (window), grid);
+
+ /*connecting the clicked signal to the callback*/
+ g_signal_connect (GTK_TOGGLE_BUTTON (button), "toggled", G_CALLBACK (button_toggled_cb), spinner);
+
+ 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;
+}
diff --git a/platform-demos/C/togglebutton.c.page b/platform-demos/C/togglebutton.c.page
new file mode 100644
index 0000000..de39d09
--- /dev/null
+++ b/platform-demos/C/togglebutton.c.page
@@ -0,0 +1,40 @@
+<?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="togglebutton.c">
+ <info>
+ <link type="guide" xref="beginner.c#buttons"/>
+ <link type="seealso" xref="grid.c"/>
+ <link type="seealso" xref="switch.c"/>
+
+
+ <revision version="0.1" date="2012-06-12" status="draft"/>
+
+ <credit type="author copyright">
+ <name>Monica Kochofar</name>
+ <email>monicakochofar gmail com</email>
+ <years>2012</years>
+ </credit>
+
+ <desc>A button which retains state.</desc>
+ </info>
+
+ <title>Togglebutton</title>
+
+ <media type="image" mime="image/png" src="media/togglebutton.png"/>
+ <p>When this ToggleButton is in an active state, the spinner spins.</p>
+
+ <code mime="text/x-csrc" style="numbered">
+<xi:include href="samples/togglebutton.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/gtk3/stable/GtkSpinner.html">GtkSpinner</link></p></item>
+ <item><p><link href="http://developer.gnome.org/gtk3/stable/GtkToggleButton.html">GtkTogglebutton</link></p></item>
+ <item><p><link href="http://developer.gnome.org/gtk3/stable/GtkGrid.html">GtkGrid</link></p></item>
+</list>
+</page>
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