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<page xmlns="http://projectmallard.org/1.0/" xmlns:its="http://www.w3.org/2005/11/its" xmlns:xi="http://www.w3.org/2001/XInclude" type="guide" style="task" id="togglebutton.c" xml:lang="fr">
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<info>
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<title type="text">ToggleButton (C)</title>
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<link type="guide" xref="c#buttons"/>
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<link type="seealso" xref="grid.c"/>
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<link type="seealso" xref="switch.c"/>
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<revision version="0.1" date="2012-06-12" status="draft"/>
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<credit type="author copyright">
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<name>Monica Kochofar</name>
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<email its:translate="no">monicakochofar@gmail.com</email>
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<years>2012</years>
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</credit>
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<desc>Un bouton qui mémorise l'état</desc>
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<mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
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<mal:name>Luc Rebert,</mal:name>
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<mal:email>traduc@rebert.name</mal:email>
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<mal:years>2011</mal:years>
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</mal:credit>
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<mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
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<mal:name>Alain Lojewski,</mal:name>
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<mal:email>allomervan@gmail.com</mal:email>
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<mal:years>2011-2012</mal:years>
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</mal:credit>
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<mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
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<mal:name>Luc Pionchon</mal:name>
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<mal:email>pionchon.luc@gmail.com</mal:email>
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<mal:years>2011</mal:years>
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</mal:credit>
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<mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
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<mal:name>Bruno Brouard</mal:name>
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<mal:email>annoa.b@gmail.com</mal:email>
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<mal:years>2011-12</mal:years>
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</mal:credit>
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<mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
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<mal:name>Luis Menina</mal:name>
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<mal:email>liberforce@freeside.fr</mal:email>
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<mal:years>2014</mal:years>
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</mal:credit>
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</info>
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<title>ToggleButton</title>
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<media type="image" mime="image/png" src="media/togglebutton.png"/>
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Quand ce ToggleButton est activé, l'indicateur d'activité tourne.
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#include <gtk/gtk.h>
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/*This is the callback function. It is a handler function
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which reacts to the signal. In this case, it will cause the
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spinner to start and stop according to how many times the user
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presses the button.*/
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static void
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button_toggled_cb (GtkWidget *button,
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gpointer user_data)
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{
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GtkWidget *spinner = user_data;
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if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON(button)))
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gtk_spinner_start (GTK_SPINNER (spinner));
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else {
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gtk_spinner_stop (GTK_SPINNER (spinner));
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}
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}
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static void
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activate (GtkApplication *app,
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gpointer user_data)
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{
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GtkWidget *window;
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GtkWidget *button;
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GtkWidget *grid;
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GtkWidget *spinner;
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/*Create a window with a title, border width and a default size*/
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window = gtk_application_window_new (app);
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gtk_window_set_title (GTK_WINDOW (window), "ToggleButton Example");
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gtk_window_set_default_size (GTK_WINDOW (window), 300, 300);
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gtk_container_set_border_width(GTK_CONTAINER(window), 30);
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/*Create a togglebutton with a label*/
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button = gtk_toggle_button_new_with_label ("Start/Stop");
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/*Create a spinner, with extra horizontal and vertical space*/
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spinner = gtk_spinner_new ();
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gtk_widget_set_hexpand (spinner, TRUE);
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gtk_widget_set_vexpand (spinner, TRUE);
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/*Create a grid and set the row spacing, attach the togglebutton
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and spinner onto the grid and position them accordingly*/
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grid = gtk_grid_new();
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gtk_grid_set_row_homogeneous (GTK_GRID (grid), FALSE);
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gtk_grid_set_row_spacing (GTK_GRID (grid), 15);
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gtk_grid_attach (GTK_GRID (grid), spinner, 0, 0, 1, 1);
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gtk_grid_attach (GTK_GRID (grid), button, 0, 1, 1, 1);
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gtk_container_add (GTK_CONTAINER (window), grid);
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/*Connecting the toggled signal to the callback*/
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g_signal_connect (GTK_TOGGLE_BUTTON (button), "toggled",
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G_CALLBACK (button_toggled_cb), spinner);
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gtk_widget_show_all (window);
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}
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int
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main (int argc, char **argv)
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{
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GtkApplication *app;
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int status;
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app = gtk_application_new ("org.gtk.example", G_APPLICATION_FLAGS_NONE);
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g_signal_connect (app, "activate", G_CALLBACK (activate), NULL);
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status = g_application_run (G_APPLICATION (app), argc, argv);
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g_object_unref (app);
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return status;
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}
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Dans cet exemple, les éléments suivants sont utilisés :
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<list>
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<item><link href="http://developer.gnome.org/gtk3/3.4/GtkApplication.html">GtkApplication</link> </item>
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<item><link href="http://developer.gnome.org/gtk3/3.4/GtkWindow.html">GtkWindow</link> </item>
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<item><link href="http://developer.gnome.org/gtk3/stable/GtkSpinner.html">GtkSpinner</link> </item>
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<item><link href="http://developer.gnome.org/gtk3/stable/GtkToggleButton.html">GtkTogglebutton</link> </item>
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<item><link href="http://developer.gnome.org/gtk3/stable/GtkGrid.html">GtkGrid</link> </item>
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</list>
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</page>
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