| #include <gtk/gtk.h> |
| |
| #define INITIAL_HALIGN GTK_ALIGN_START |
| #define INITIAL_VALIGN GTK_ALIGN_START |
| |
| static GList *menubuttons = NULL; |
| |
| static void |
| horizontal_alignment_changed (GtkComboBox *box) |
| { |
| GtkAlign alignment = gtk_combo_box_get_active (box); |
| GList *l; |
| |
| for (l = menubuttons; l != NULL; l = l->next) { |
| GtkPopover *popup = gtk_menu_button_get_popover (GTK_MENU_BUTTON (l->data)); |
| if (popup != NULL) |
| gtk_widget_set_halign (GTK_WIDGET (popup), alignment); |
| } |
| } |
| |
| static void |
| vertical_alignment_changed (GtkComboBox *box) |
| { |
| GtkAlign alignment = gtk_combo_box_get_active (box); |
| GList *l; |
| |
| for (l = menubuttons; l != NULL; l = l->next) { |
| GtkPopover *popup = gtk_menu_button_get_popover (GTK_MENU_BUTTON (l->data)); |
| if (popup != NULL) |
| gtk_widget_set_valign (GTK_WIDGET (popup), alignment); |
| } |
| } |
| |
| int main (int argc, char **argv) |
| { |
| GtkWidget *window; |
| GtkWidget *button; |
| GtkWidget *grid; |
| GtkWidget *entry; |
| GtkWidget *label; |
| GtkWidget *combo; |
| guint i; |
| guint row = 0; |
| GMenu *menu; |
| |
| gtk_init (); |
| |
| window = gtk_window_new (); |
| gtk_window_set_default_size (GTK_WINDOW (window), 400, 300); |
| |
| grid = gtk_grid_new (); |
| gtk_grid_set_row_spacing (GTK_GRID (grid), 12); |
| gtk_grid_set_column_spacing (GTK_GRID (grid), 12); |
| gtk_window_set_child (GTK_WINDOW (window), grid); |
| |
| /* horizontal alignment */ |
| label = gtk_label_new ("Horizontal Alignment:"); |
| gtk_grid_attach (GTK_GRID (grid), label, 0, row++, 1, 1); |
| |
| combo = gtk_combo_box_text_new (); |
| gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "Fill"); |
| gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "Start"); |
| gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "End"); |
| gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "Center"); |
| gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "Baseline"); |
| gtk_combo_box_set_active (GTK_COMBO_BOX (combo), INITIAL_HALIGN); |
| gtk_grid_attach_next_to (GTK_GRID (grid), combo, label, GTK_POS_RIGHT, 1, 1); |
| g_signal_connect (G_OBJECT (combo), "changed", |
| G_CALLBACK (horizontal_alignment_changed), menubuttons); |
| |
| /* vertical alignment */ |
| label = gtk_label_new ("Vertical Alignment:"); |
| gtk_grid_attach (GTK_GRID (grid), label, 0, row++, 1, 1); |
| |
| combo = gtk_combo_box_text_new (); |
| gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "Fill"); |
| gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "Start"); |
| gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "End"); |
| gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "Center"); |
| gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "Baseline"); |
| gtk_combo_box_set_active (GTK_COMBO_BOX (combo), INITIAL_HALIGN); |
| gtk_grid_attach_next_to (GTK_GRID (grid), combo, label, GTK_POS_RIGHT, 1, 1); |
| g_signal_connect (G_OBJECT (combo), "changed", |
| G_CALLBACK (vertical_alignment_changed), menubuttons); |
| |
| /* Button next to entry */ |
| entry = gtk_entry_new (); |
| gtk_grid_attach (GTK_GRID (grid), entry, 0, row++, 1, 1); |
| button = gtk_menu_button_new (); |
| gtk_widget_set_halign (button, GTK_ALIGN_START); |
| |
| gtk_grid_attach_next_to (GTK_GRID (grid), button, entry, GTK_POS_RIGHT, 1, 1); |
| menubuttons = g_list_prepend (menubuttons, button); |
| |
| /* Button with GMenuModel */ |
| menu = g_menu_new (); |
| for (i = 5; i > 0; i--) { |
| char *item_label; |
| GMenuItem *item; |
| item_label = g_strdup_printf ("Item _%d", i); |
| item = g_menu_item_new (item_label, NULL); |
| if (i == 3) |
| g_menu_item_set_attribute (item, "icon", "s", "preferences-desktop-locale-symbolic"); |
| g_menu_insert_item (menu, 0, item); |
| g_object_unref (item); |
| g_free (item_label); |
| } |
| |
| button = gtk_menu_button_new (); |
| |
| gtk_widget_set_halign (button, GTK_ALIGN_START); |
| menubuttons = g_list_prepend (menubuttons, button); |
| gtk_menu_button_set_menu_model (GTK_MENU_BUTTON (button), G_MENU_MODEL (menu)); |
| gtk_grid_attach (GTK_GRID (grid), button, 1, row++, 1, 1); |
| |
| gtk_widget_show (window); |
| |
| while (TRUE) |
| g_main_context_iteration (NULL, TRUE); |
| |
| return 0; |
| } |