static GtkWidget * find_mnemonic_widget (GtkWidget *widget, gint level) { gboolean can_focus; g_object_get (widget, "can-focus", &can_focus, NULL); if (GTK_WIDGET_GET_CLASS (widget)->activate_signal || can_focus || GTK_WIDGET_GET_CLASS (widget)->mnemonic_activate != GTK_WIDGET_CLASS (g_type_class_peek (GTK_TYPE_WIDGET))->mnemonic_activate) { return widget; } if (GIMP_IS_SIZE_ENTRY (widget)) { GimpSizeEntry *entry = GIMP_SIZE_ENTRY (widget); return gimp_size_entry_get_help_widget (entry, entry->number_of_fields - 1); } else if (GTK_IS_CONTAINER (widget)) { GtkWidget *mnemonic_widget = NULL; GList *children; GList *list; children = gtk_container_get_children (GTK_CONTAINER (widget)); for (list = children; list; list = g_list_next (list)) { mnemonic_widget = find_mnemonic_widget (list->data, level + 1); if (mnemonic_widget) break; } g_list_free (children); return mnemonic_widget; } return NULL; }
/** * resolution_calibrate_dialog: * @resolution_entry: a #GimpSizeEntry to connect the dialog to * @pixbuf: an optional #GdkPixbuf for the upper left corner * * Displays a dialog that allows the user to interactively determine * her monitor resolution. This dialog runs it's own GTK main loop and * is connected to a #GimpSizeEntry handling the resolution to be set. **/ void resolution_calibrate_dialog (GtkWidget *resolution_entry, GdkPixbuf *pixbuf) { GtkWidget *dialog; GtkWidget *table; GtkWidget *vbox; GtkWidget *hbox; GtkWidget *ruler; GtkWidget *label; GdkScreen *screen; GdkRectangle rect; gint monitor; g_return_if_fail (GIMP_IS_SIZE_ENTRY (resolution_entry)); g_return_if_fail (GTK_WIDGET_REALIZED (resolution_entry)); g_return_if_fail (pixbuf == NULL || GDK_IS_PIXBUF (pixbuf)); /* this dialog can only exist once */ if (calibrate_entry) return; dialog = gimp_dialog_new (_("Calibrate Monitor Resolution"), "gimp-resolution-calibration", gtk_widget_get_toplevel (resolution_entry), GTK_DIALOG_DESTROY_WITH_PARENT, NULL, NULL, GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, GTK_STOCK_OK, GTK_RESPONSE_OK, NULL); gtk_dialog_set_alternative_button_order (GTK_DIALOG (dialog), GTK_RESPONSE_OK, GTK_RESPONSE_CANCEL, -1); screen = gtk_widget_get_screen (dialog); monitor = gdk_screen_get_monitor_at_window (screen, resolution_entry->window); gdk_screen_get_monitor_geometry (screen, monitor, &rect); ruler_width = rect.width - 300 - (rect.width % 100); ruler_height = rect.height - 300 - (rect.height % 100); table = gtk_table_new (4, 4, FALSE); gtk_container_set_border_width (GTK_CONTAINER (table), 12); gtk_container_add (GTK_CONTAINER (GTK_DIALOG (dialog)->vbox), table); gtk_widget_show (table); if (pixbuf) { GtkWidget *image = gtk_image_new_from_pixbuf (pixbuf); gtk_table_attach (GTK_TABLE (table), image, 0, 1, 0, 1, GTK_SHRINK, GTK_SHRINK, 4, 4); gtk_widget_show (image); } ruler = gimp_ruler_new (GTK_ORIENTATION_HORIZONTAL); gtk_widget_set_size_request (ruler, ruler_width, 32); gimp_ruler_set_range (GIMP_RULER (ruler), 0, ruler_width, ruler_width); gtk_table_attach (GTK_TABLE (table), ruler, 1, 3, 0, 1, GTK_SHRINK, GTK_SHRINK, 0, 0); gtk_widget_show (ruler); ruler = gimp_ruler_new (GTK_ORIENTATION_VERTICAL); gtk_widget_set_size_request (ruler, 32, ruler_height); gimp_ruler_set_range (GIMP_RULER (ruler), 0, ruler_height, ruler_height); gtk_table_attach (GTK_TABLE (table), ruler, 0, 1, 1, 3, GTK_SHRINK, GTK_SHRINK, 0, 0); gtk_widget_show (ruler); vbox = gtk_vbox_new (FALSE, 12); gtk_table_attach (GTK_TABLE (table), vbox, 1, 2, 1, 2, GTK_SHRINK, GTK_SHRINK, 0, 0); gtk_widget_show (vbox); label = gtk_label_new (_("Measure the rulers and enter their lengths:")); gtk_label_set_justify (GTK_LABEL (label), GTK_JUSTIFY_LEFT); gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5); gimp_label_set_attributes (GTK_LABEL (label), PANGO_ATTR_SCALE, PANGO_SCALE_LARGE, PANGO_ATTR_WEIGHT, PANGO_WEIGHT_BOLD, -1); gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0); gtk_widget_show (label); hbox = gtk_hbox_new (FALSE, 0); gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0); gtk_widget_show (hbox); calibrate_xres = gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (resolution_entry), 0); calibrate_yres = gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (resolution_entry), 1); calibrate_entry = gimp_coordinates_new (GIMP_UNIT_INCH, "%p", FALSE, FALSE, 10, GIMP_SIZE_ENTRY_UPDATE_SIZE, FALSE, FALSE, _("_Horizontal:"), ruler_width, calibrate_xres, 1, GIMP_MAX_IMAGE_SIZE, 0, 0, _("_Vertical:"), ruler_height, calibrate_yres, 1, GIMP_MAX_IMAGE_SIZE, 0, 0); gtk_widget_hide (GTK_WIDGET (GIMP_COORDINATES_CHAINBUTTON (calibrate_entry))); g_signal_connect (dialog, "destroy", G_CALLBACK (gtk_widget_destroyed), &calibrate_entry); gtk_box_pack_end (GTK_BOX (hbox), calibrate_entry, FALSE, FALSE, 0); gtk_widget_show (calibrate_entry); gtk_widget_show (dialog); switch (gimp_dialog_run (GIMP_DIALOG (dialog))) { case GTK_RESPONSE_OK: { GtkWidget *chain_button; gdouble x, y; x = gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (calibrate_entry), 0); y = gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (calibrate_entry), 1); calibrate_xres = (gdouble) ruler_width * calibrate_xres / x; calibrate_yres = (gdouble) ruler_height * calibrate_yres / y; chain_button = GIMP_COORDINATES_CHAINBUTTON (resolution_entry); if (ABS (x - y) > GIMP_MIN_RESOLUTION) gimp_chain_button_set_active (GIMP_CHAIN_BUTTON (chain_button), FALSE); gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (resolution_entry), 0, calibrate_xres); gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (resolution_entry), 1, calibrate_yres); } default: break; } gtk_widget_destroy (dialog); }