forked from AuroraMiddleware/gtk
550 lines
16 KiB
C
550 lines
16 KiB
C
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#include "config.h"
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#include <gtk/gtk.h>
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typedef GtkApplication DemoApplication;
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typedef GtkApplicationClass DemoApplicationClass;
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G_DEFINE_TYPE (DemoApplication, demo_application, GTK_TYPE_APPLICATION)
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typedef struct {
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GtkApplicationWindow parent_instance;
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GtkWidget *message;
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GtkWidget *infobar;
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GtkWidget *status;
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GtkWidget *menubutton;
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GMenuModel *toolmenu;
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GtkTextBuffer *buffer;
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int width;
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int height;
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gboolean maximized;
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gboolean fullscreen;
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} DemoApplicationWindow;
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typedef GtkApplicationWindowClass DemoApplicationWindowClass;
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G_DEFINE_TYPE (DemoApplicationWindow, demo_application_window, GTK_TYPE_APPLICATION_WINDOW)
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static void create_window (GApplication *app, const char *contents);
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static void
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show_action_dialog (GSimpleAction *action)
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{
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const gchar *name;
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GtkWidget *dialog;
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name = g_action_get_name (G_ACTION (action));
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dialog = gtk_message_dialog_new (NULL,
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GTK_DIALOG_DESTROY_WITH_PARENT,
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GTK_MESSAGE_INFO,
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GTK_BUTTONS_CLOSE,
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"You activated action: \"%s\"",
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name);
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g_signal_connect (dialog, "response",
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G_CALLBACK (gtk_widget_destroy), NULL);
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gtk_widget_show (dialog);
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}
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static void
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show_action_infobar (GSimpleAction *action,
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GVariant *parameter,
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gpointer data)
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{
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DemoApplicationWindow *window = data;
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gchar *text;
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const gchar *name;
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const gchar *value;
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name = g_action_get_name (G_ACTION (action));
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value = g_variant_get_string (parameter, NULL);
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text = g_strdup_printf ("You activated radio action: \"%s\".\n"
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"Current value: %s", name, value);
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gtk_label_set_text (GTK_LABEL (window->message), text);
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gtk_widget_show (window->infobar);
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g_free (text);
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}
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static void
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activate_action (GSimpleAction *action,
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GVariant *parameter,
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gpointer user_data)
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{
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show_action_dialog (action);
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}
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static void
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activate_new (GSimpleAction *action,
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GVariant *parameter,
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gpointer user_data)
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{
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GApplication *app = user_data;
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create_window (app, NULL);
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}
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static void
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open_response_cb (GtkNativeDialog *dialog,
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gint response_id,
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gpointer user_data)
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{
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GtkFileChooserNative *native = user_data;
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GApplication *app = g_object_get_data (G_OBJECT (native), "app");
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GtkWidget *message_dialog;
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GFile *file;
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char *contents;
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GError *error = NULL;
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if (response_id == GTK_RESPONSE_ACCEPT)
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{
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file = gtk_file_chooser_get_file (GTK_FILE_CHOOSER (native));
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if (g_file_load_contents (file, NULL, &contents, NULL, NULL, &error))
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{
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create_window (app, contents);
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g_free (contents);
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}
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else
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{
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message_dialog = gtk_message_dialog_new (NULL,
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GTK_DIALOG_DESTROY_WITH_PARENT,
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GTK_MESSAGE_ERROR,
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GTK_BUTTONS_CLOSE,
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"Error loading file: \"%s\"",
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error->message);
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g_signal_connect (message_dialog, "response",
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G_CALLBACK (gtk_widget_destroy), NULL);
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gtk_widget_show (message_dialog);
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g_error_free (error);
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}
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}
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gtk_native_dialog_destroy (GTK_NATIVE_DIALOG (native));
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g_object_unref (native);
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}
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static void
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activate_open (GSimpleAction *action,
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GVariant *parameter,
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gpointer user_data)
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{
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GApplication *app = user_data;
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GtkFileChooserNative *native;
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native = gtk_file_chooser_native_new ("Open File",
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NULL,
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GTK_FILE_CHOOSER_ACTION_OPEN,
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"_Open",
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"_Cancel");
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g_object_set_data_full (G_OBJECT (native), "app", g_object_ref (app), g_object_unref);
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g_signal_connect (native,
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"response",
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G_CALLBACK (open_response_cb),
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native);
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gtk_native_dialog_show (GTK_NATIVE_DIALOG (native));
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}
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static void
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activate_toggle (GSimpleAction *action,
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GVariant *parameter,
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gpointer user_data)
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{
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GVariant *state;
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show_action_dialog (action);
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state = g_action_get_state (G_ACTION (action));
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g_action_change_state (G_ACTION (action), g_variant_new_boolean (!g_variant_get_boolean (state)));
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g_variant_unref (state);
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}
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static void
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activate_radio (GSimpleAction *action,
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GVariant *parameter,
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gpointer user_data)
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{
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show_action_infobar (action, parameter, user_data);
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g_action_change_state (G_ACTION (action), parameter);
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}
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static void
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activate_about (GSimpleAction *action,
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GVariant *parameter,
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gpointer user_data)
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{
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GtkWidget *window = user_data;
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const gchar *authors[] = {
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"Peter Mattis",
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"Spencer Kimball",
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"Josh MacDonald",
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"and many more...",
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NULL
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};
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const gchar *documentors[] = {
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"Owen Taylor",
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"Tony Gale",
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"Matthias Clasen <mclasen@redhat.com>",
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"and many more...",
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NULL
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};
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gtk_show_about_dialog (GTK_WINDOW (window),
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"program-name", "GTK Code Demos",
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"version", g_strdup_printf ("%s,\nRunning against GTK %d.%d.%d",
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PACKAGE_VERSION,
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gtk_get_major_version (),
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gtk_get_minor_version (),
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gtk_get_micro_version ()),
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"copyright", "(C) 1997-2013 The GTK Team",
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"license-type", GTK_LICENSE_LGPL_2_1,
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"website", "http://www.gtk.org",
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"comments", "Program to demonstrate GTK functions.",
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"authors", authors,
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"documenters", documentors,
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"logo-icon-name", "org.gtk.Demo4",
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"title", "About GTK Code Demos",
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NULL);
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}
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static void
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activate_quit (GSimpleAction *action,
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GVariant *parameter,
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gpointer user_data)
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{
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GtkApplication *app = user_data;
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GtkWidget *win;
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GList *list, *next;
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list = gtk_application_get_windows (app);
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while (list)
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{
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win = list->data;
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next = list->next;
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gtk_widget_destroy (GTK_WIDGET (win));
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list = next;
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}
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}
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static void
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update_statusbar (GtkTextBuffer *buffer,
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DemoApplicationWindow *window)
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{
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gchar *msg;
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gint row, col;
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gint count;
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GtkTextIter iter;
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/* clear any previous message, underflow is allowed */
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gtk_statusbar_pop (GTK_STATUSBAR (window->status), 0);
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count = gtk_text_buffer_get_char_count (buffer);
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gtk_text_buffer_get_iter_at_mark (buffer,
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&iter,
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gtk_text_buffer_get_insert (buffer));
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row = gtk_text_iter_get_line (&iter);
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col = gtk_text_iter_get_line_offset (&iter);
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msg = g_strdup_printf ("Cursor at row %d column %d - %d chars in document",
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row, col, count);
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gtk_statusbar_push (GTK_STATUSBAR (window->status), 0, msg);
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g_free (msg);
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}
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static void
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mark_set_callback (GtkTextBuffer *buffer,
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const GtkTextIter *new_location,
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GtkTextMark *mark,
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DemoApplicationWindow *window)
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{
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update_statusbar (buffer, window);
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}
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static void
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change_theme_state (GSimpleAction *action,
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GVariant *state,
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gpointer user_data)
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{
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GtkSettings *settings = gtk_settings_get_default ();
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g_object_set (G_OBJECT (settings),
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"gtk-application-prefer-dark-theme",
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g_variant_get_boolean (state),
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NULL);
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g_simple_action_set_state (action, state);
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}
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static void
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change_radio_state (GSimpleAction *action,
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GVariant *state,
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gpointer user_data)
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{
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g_simple_action_set_state (action, state);
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}
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static GActionEntry app_entries[] = {
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{ "new", activate_new, NULL, NULL, NULL },
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{ "open", activate_open, NULL, NULL, NULL },
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{ "save", activate_action, NULL, NULL, NULL },
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{ "save-as", activate_action, NULL, NULL, NULL },
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{ "quit", activate_quit, NULL, NULL, NULL },
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{ "dark", activate_toggle, NULL, "false", change_theme_state }
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};
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static GActionEntry win_entries[] = {
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{ "shape", activate_radio, "s", "'oval'", change_radio_state },
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{ "bold", activate_toggle, NULL, "false", NULL },
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{ "about", activate_about, NULL, NULL, NULL },
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{ "file1", activate_action, NULL, NULL, NULL },
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{ "logo", activate_action, NULL, NULL, NULL }
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};
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static void
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clicked_cb (GtkWidget *widget, DemoApplicationWindow *window)
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{
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gtk_widget_hide (window->infobar);
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}
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static void
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startup (GApplication *app)
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{
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GtkBuilder *builder;
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GMenuModel *appmenu;
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GMenuModel *menubar;
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G_APPLICATION_CLASS (demo_application_parent_class)->startup (app);
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builder = gtk_builder_new ();
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gtk_builder_add_from_resource (builder, "/application_demo/menus.ui", NULL);
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appmenu = (GMenuModel *)gtk_builder_get_object (builder, "appmenu");
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menubar = (GMenuModel *)gtk_builder_get_object (builder, "menubar");
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gtk_application_set_app_menu (GTK_APPLICATION (app), appmenu);
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gtk_application_set_menubar (GTK_APPLICATION (app), menubar);
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g_object_unref (builder);
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}
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static void
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create_window (GApplication *app,
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const char *content)
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{
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DemoApplicationWindow *window;
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window = (DemoApplicationWindow *)g_object_new (demo_application_window_get_type (),
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"application", app,
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NULL);
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if (content)
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gtk_text_buffer_set_text (window->buffer, content, -1);
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gtk_window_present (GTK_WINDOW (window));
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}
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static void
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activate (GApplication *app)
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{
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create_window (app, NULL);
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}
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static void
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demo_application_init (DemoApplication *app)
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{
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GSettings *settings;
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GAction *action;
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settings = g_settings_new ("org.gtk.Demo4");
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g_action_map_add_action_entries (G_ACTION_MAP (app),
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app_entries, G_N_ELEMENTS (app_entries),
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app);
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action = g_settings_create_action (settings, "color");
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g_action_map_add_action (G_ACTION_MAP (app), action);
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g_object_unref (settings);
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}
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static void
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demo_application_class_init (DemoApplicationClass *class)
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{
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GApplicationClass *app_class = G_APPLICATION_CLASS (class);
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app_class->startup = startup;
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app_class->activate = activate;
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}
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static void
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demo_application_window_store_state (DemoApplicationWindow *win)
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{
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GSettings *settings;
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settings = g_settings_new ("org.gtk.Demo4");
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g_settings_set (settings, "window-size", "(ii)", win->width, win->height);
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g_settings_set_boolean (settings, "maximized", win->maximized);
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g_settings_set_boolean (settings, "fullscreen", win->fullscreen);
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g_object_unref (settings);
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}
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static void
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demo_application_window_load_state (DemoApplicationWindow *win)
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{
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GSettings *settings;
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settings = g_settings_new ("org.gtk.Demo4");
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g_settings_get (settings, "window-size", "(ii)", &win->width, &win->height);
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win->maximized = g_settings_get_boolean (settings, "maximized");
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win->fullscreen = g_settings_get_boolean (settings, "fullscreen");
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g_object_unref (settings);
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}
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static void
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demo_application_window_init (DemoApplicationWindow *window)
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{
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GtkWidget *popover;
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window->width = -1;
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window->height = -1;
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window->maximized = FALSE;
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window->fullscreen = FALSE;
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gtk_widget_init_template (GTK_WIDGET (window));
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popover = gtk_popover_menu_new_from_model (window->toolmenu);
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gtk_menu_button_set_popover (GTK_MENU_BUTTON (window->menubutton), popover);
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g_action_map_add_action_entries (G_ACTION_MAP (window),
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win_entries, G_N_ELEMENTS (win_entries),
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window);
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}
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static void
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demo_application_window_constructed (GObject *object)
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{
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DemoApplicationWindow *window = (DemoApplicationWindow *)object;
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demo_application_window_load_state (window);
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gtk_window_set_default_size (GTK_WINDOW (window), window->width, window->height);
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if (window->maximized)
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gtk_window_maximize (GTK_WINDOW (window));
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if (window->fullscreen)
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gtk_window_fullscreen (GTK_WINDOW (window));
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G_OBJECT_CLASS (demo_application_window_parent_class)->constructed (object);
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}
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static void
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demo_application_window_size_allocate (GtkWidget *widget,
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int width,
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int height,
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int baseline)
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{
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DemoApplicationWindow *window = (DemoApplicationWindow *)widget;
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GTK_WIDGET_CLASS (demo_application_window_parent_class)->size_allocate (widget,
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width,
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height,
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baseline);
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if (!window->maximized && !window->fullscreen)
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gtk_window_get_size (GTK_WINDOW (window), &window->width, &window->height);
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}
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static void
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surface_state_changed (GtkWidget *widget)
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{
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DemoApplicationWindow *window = (DemoApplicationWindow *)widget;
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GdkSurfaceState new_state;
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new_state = gdk_toplevel_get_state (GDK_TOPLEVEL (gtk_native_get_surface (GTK_NATIVE (widget))));
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window->maximized = (new_state & GDK_SURFACE_STATE_MAXIMIZED) != 0;
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window->fullscreen = (new_state & GDK_SURFACE_STATE_FULLSCREEN) != 0;
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}
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static void
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demo_application_window_realize (GtkWidget *widget)
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{
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GTK_WIDGET_CLASS (demo_application_window_parent_class)->realize (widget);
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g_signal_connect_swapped (gtk_native_get_surface (GTK_NATIVE (widget)), "notify::state",
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G_CALLBACK (surface_state_changed), widget);
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}
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static void
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demo_application_window_unrealize (GtkWidget *widget)
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{
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g_signal_handlers_disconnect_by_func (gtk_native_get_surface (GTK_NATIVE (widget)),
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surface_state_changed, widget);
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GTK_WIDGET_CLASS (demo_application_window_parent_class)->unrealize (widget);
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}
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static void
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demo_application_window_destroy (GtkWidget *widget)
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{
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DemoApplicationWindow *window = (DemoApplicationWindow *)widget;
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demo_application_window_store_state (window);
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GTK_WIDGET_CLASS (demo_application_window_parent_class)->destroy (widget);
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}
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static void
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demo_application_window_class_init (DemoApplicationWindowClass *class)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (class);
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GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
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object_class->constructed = demo_application_window_constructed;
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widget_class->size_allocate = demo_application_window_size_allocate;
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widget_class->realize = demo_application_window_realize;
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widget_class->unrealize = demo_application_window_unrealize;
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widget_class->destroy = demo_application_window_destroy;
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gtk_widget_class_set_template_from_resource (widget_class, "/application_demo/application.ui");
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gtk_widget_class_bind_template_child (widget_class, DemoApplicationWindow, message);
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gtk_widget_class_bind_template_child (widget_class, DemoApplicationWindow, infobar);
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gtk_widget_class_bind_template_child (widget_class, DemoApplicationWindow, status);
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gtk_widget_class_bind_template_child (widget_class, DemoApplicationWindow, buffer);
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gtk_widget_class_bind_template_child (widget_class, DemoApplicationWindow, menubutton);
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gtk_widget_class_bind_template_child (widget_class, DemoApplicationWindow, toolmenu);
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gtk_widget_class_bind_template_callback (widget_class, clicked_cb);
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gtk_widget_class_bind_template_callback (widget_class, update_statusbar);
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gtk_widget_class_bind_template_callback (widget_class, mark_set_callback);
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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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app = GTK_APPLICATION (g_object_new (demo_application_get_type (),
|
|
"application-id", "org.gtk.Demo4.App",
|
|
"flags", G_APPLICATION_HANDLES_OPEN,
|
|
NULL));
|
|
|
|
return g_application_run (G_APPLICATION (app), 0, NULL);
|
|
}
|