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https://gitlab.gnome.org/GNOME/gtk.git
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7fd79f42ab
Fix a possible division by zero when the spinner is started before it's realized (eg. before it has a style set). https://bugzilla.gnome.org/show_bug.cgi?id=598496
95 lines
2.8 KiB
C
95 lines
2.8 KiB
C
/* Spinner
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*
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* GtkSpinner allows to show that background activity is on-going.
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*
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*/
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#include <gtk/gtk.h>
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static GtkWidget *window = NULL;
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static GtkWidget *spinner_sensitive = NULL;
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static GtkWidget *spinner_unsensitive = NULL;
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static void
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on_play_clicked (GtkButton *button, gpointer user_data)
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{
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gtk_spinner_start (GTK_SPINNER (spinner_sensitive));
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gtk_spinner_start (GTK_SPINNER (spinner_unsensitive));
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}
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static void
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on_stop_clicked (GtkButton *button, gpointer user_data)
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{
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gtk_spinner_stop (GTK_SPINNER (spinner_sensitive));
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gtk_spinner_stop (GTK_SPINNER (spinner_unsensitive));
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}
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GtkWidget *
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do_spinner (GtkWidget *do_widget)
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{
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GtkWidget *vbox;
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GtkWidget *hbox;
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GtkWidget *button;
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GtkWidget *spinner;
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if (!window)
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{
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window = gtk_dialog_new_with_buttons ("GtkSpinner",
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GTK_WINDOW (do_widget),
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0,
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GTK_STOCK_CLOSE,
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GTK_RESPONSE_NONE,
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NULL);
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gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
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g_signal_connect (window, "response",
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G_CALLBACK (gtk_widget_destroy), NULL);
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g_signal_connect (window, "destroy",
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G_CALLBACK (gtk_widget_destroyed), &window);
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vbox = gtk_vbox_new (FALSE, 5);
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gtk_box_pack_start (GTK_BOX (GTK_DIALOG (window)->vbox), vbox, TRUE, TRUE, 0);
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gtk_container_set_border_width (GTK_CONTAINER (vbox), 5);
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/* Sensitive */
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hbox = gtk_hbox_new (FALSE, 5);
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spinner = gtk_spinner_new ();
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gtk_container_add (GTK_CONTAINER (hbox), spinner);
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gtk_container_add (GTK_CONTAINER (hbox), gtk_entry_new ());
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gtk_container_add (GTK_CONTAINER (vbox), hbox);
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spinner_sensitive = spinner;
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/* Disabled */
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hbox = gtk_hbox_new (FALSE, 5);
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spinner = gtk_spinner_new ();
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gtk_container_add (GTK_CONTAINER (hbox), spinner);
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gtk_container_add (GTK_CONTAINER (hbox), gtk_entry_new ());
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gtk_container_add (GTK_CONTAINER (vbox), hbox);
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spinner_unsensitive = spinner;
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gtk_widget_set_sensitive (hbox, FALSE);
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button = gtk_button_new_from_stock (GTK_STOCK_MEDIA_PLAY);
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g_signal_connect (G_OBJECT (button), "clicked",
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G_CALLBACK (on_play_clicked), spinner);
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gtk_container_add (GTK_CONTAINER (vbox), button);
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button = gtk_button_new_from_stock (GTK_STOCK_MEDIA_STOP);
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g_signal_connect (G_OBJECT (button), "clicked",
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G_CALLBACK (on_stop_clicked), spinner);
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gtk_container_add (GTK_CONTAINER (vbox), button);
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/* Start by default to test for:
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* https://bugzilla.gnome.org/show_bug.cgi?id=598496 */
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on_play_clicked (NULL, NULL);
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}
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if (!GTK_WIDGET_VISIBLE (window))
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gtk_widget_show_all (window);
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else
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gtk_widget_destroy (window);
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return window;
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}
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