diff options
-rw-r--r-- | gtk/gtkmenutoolbutton.c | 267 |
1 files changed, 242 insertions, 25 deletions
diff --git a/gtk/gtkmenutoolbutton.c b/gtk/gtkmenutoolbutton.c index aa4eaa2f95..a2ede8ce0d 100644 --- a/gtk/gtkmenutoolbutton.c +++ b/gtk/gtkmenutoolbutton.c @@ -23,8 +23,6 @@ #include "gtktogglebutton.h" #include "gtkarrow.h" -#include "gtkmenubutton.h" -#include "gtkmenubuttonprivate.h" #include "gtkbox.h" #include "gtkmenu.h" #include "gtkmain.h" @@ -74,10 +72,17 @@ struct _GtkMenuToolButtonPrivate { GtkWidget *button; + GtkWidget *arrow; GtkWidget *arrow_button; GtkWidget *box; + GtkMenu *menu; }; +static void gtk_menu_tool_button_destroy (GtkWidget *widget); + +static int menu_deactivate_cb (GtkMenuShell *menu_shell, + GtkMenuToolButton *button); + static void gtk_menu_tool_button_buildable_interface_init (GtkBuildableIface *iface); static void gtk_menu_tool_button_buildable_add_child (GtkBuildable *buildable, GtkBuilder *builder, @@ -117,17 +122,12 @@ gtk_menu_tool_button_construct_contents (GtkMenuToolButton *button) if (orientation == GTK_ORIENTATION_HORIZONTAL) { box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0); - gtk_menu_button_set_direction (GTK_MENU_BUTTON (priv->arrow_button), GTK_ARROW_DOWN); + gtk_arrow_set (GTK_ARROW (priv->arrow), GTK_ARROW_DOWN, GTK_SHADOW_NONE); } else { - GtkTextDirection direction; - GtkArrowType type; - box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0); - direction = gtk_widget_get_direction (GTK_WIDGET (button)); - type = (direction == GTK_TEXT_DIR_LTR ? GTK_ARROW_RIGHT : GTK_ARROW_LEFT); - gtk_menu_button_set_direction (GTK_MENU_BUTTON (priv->arrow_button), type); + gtk_arrow_set (GTK_ARROW (priv->arrow), GTK_ARROW_RIGHT, GTK_SHADOW_NONE); } parent = gtk_widget_get_parent (priv->button); @@ -191,6 +191,19 @@ gtk_menu_tool_button_toolbar_reconfigured (GtkToolItem *toolitem) } static void +gtk_menu_tool_button_state_changed (GtkWidget *widget, + GtkStateType previous_state) +{ + GtkMenuToolButton *button = GTK_MENU_TOOL_BUTTON (widget); + GtkMenuToolButtonPrivate *priv = button->priv; + + if (!gtk_widget_is_sensitive (widget) && priv->menu) + { + gtk_menu_shell_deactivate (GTK_MENU_SHELL (priv->menu)); + } +} + +static void gtk_menu_tool_button_set_property (GObject *object, guint prop_id, const GValue *value, @@ -221,7 +234,7 @@ gtk_menu_tool_button_get_property (GObject *object, switch (prop_id) { case PROP_MENU: - g_object_get_property (G_OBJECT (button->priv->arrow_button), "menu", value); + g_value_set_object (value, button->priv->menu); break; default: @@ -234,14 +247,19 @@ static void gtk_menu_tool_button_class_init (GtkMenuToolButtonClass *klass) { GObjectClass *object_class; + GtkWidgetClass *widget_class; GtkToolItemClass *toolitem_class; object_class = (GObjectClass *)klass; + widget_class = (GtkWidgetClass *)klass; toolitem_class = (GtkToolItemClass *)klass; object_class->set_property = gtk_menu_tool_button_set_property; object_class->get_property = gtk_menu_tool_button_get_property; + widget_class->destroy = gtk_menu_tool_button_destroy; + widget_class->state_changed = gtk_menu_tool_button_state_changed; + toolitem_class->toolbar_reconfigured = gtk_menu_tool_button_toolbar_reconfigured; /** @@ -278,9 +296,140 @@ gtk_menu_tool_button_class_init (GtkMenuToolButtonClass *klass) } static void +menu_position_func (GtkMenu *menu, + int *x, + int *y, + gboolean *push_in, + GtkMenuToolButton *button) +{ + GtkMenuToolButtonPrivate *priv = button->priv; + GtkAllocation arrow_allocation; + GtkWidget *widget = GTK_WIDGET (button); + GtkRequisition menu_req; + GtkOrientation orientation; + GtkTextDirection direction; + GdkRectangle monitor; + gint monitor_num; + GdkScreen *screen; + GdkWindow *window; + + gtk_widget_get_preferred_size (GTK_WIDGET (priv->menu), + &menu_req, NULL); + + orientation = gtk_tool_item_get_orientation (GTK_TOOL_ITEM (button)); + direction = gtk_widget_get_direction (widget); + window = gtk_widget_get_window (widget); + + screen = gtk_widget_get_screen (GTK_WIDGET (menu)); + monitor_num = gdk_screen_get_monitor_at_window (screen, window); + if (monitor_num < 0) + monitor_num = 0; + gdk_screen_get_monitor_workarea (screen, monitor_num, &monitor); + + if (orientation == GTK_ORIENTATION_HORIZONTAL) + { + GtkAllocation allocation; + + gtk_widget_get_allocation (widget, &allocation); + gtk_widget_get_allocation (priv->arrow_button, &arrow_allocation); + + gdk_window_get_origin (window, x, y); + *x += allocation.x; + *y += allocation.y; + + if (direction == GTK_TEXT_DIR_LTR) + *x += MAX (allocation.width - menu_req.width, 0); + else if (menu_req.width > allocation.width) + *x -= menu_req.width - allocation.width; + + if ((*y + arrow_allocation.height + menu_req.height) <= monitor.y + monitor.height) + *y += arrow_allocation.height; + else if ((*y - menu_req.height) >= monitor.y) + *y -= menu_req.height; + else if (monitor.y + monitor.height - (*y + arrow_allocation.height) > *y) + *y += arrow_allocation.height; + else + *y -= menu_req.height; + } + else + { + gdk_window_get_origin (gtk_button_get_event_window (GTK_BUTTON (priv->arrow_button)), x, y); + + gtk_widget_get_allocation (priv->arrow_button, &arrow_allocation); + + if (direction == GTK_TEXT_DIR_LTR) + *x += arrow_allocation.width; + else + *x -= menu_req.width; + + if (*y + menu_req.height > monitor.y + monitor.height && + *y + arrow_allocation.height - monitor.y > monitor.y + monitor.height - *y) + *y += arrow_allocation.height - menu_req.height; + } + + *push_in = FALSE; +} + +static void +popup_menu_under_arrow (GtkMenuToolButton *button, + GdkEventButton *event) +{ + GtkMenuToolButtonPrivate *priv = button->priv; + + g_signal_emit (button, signals[SHOW_MENU], 0); + + if (!priv->menu) + return; + + gtk_menu_popup (priv->menu, NULL, NULL, + (GtkMenuPositionFunc) menu_position_func, + button, + event ? event->button : 0, + event ? event->time : gtk_get_current_event_time ()); +} + +static void +arrow_button_toggled_cb (GtkToggleButton *togglebutton, + GtkMenuToolButton *button) +{ + GtkMenuToolButtonPrivate *priv = button->priv; + + if (!priv->menu) + return; + + if (gtk_toggle_button_get_active (togglebutton) && + !gtk_widget_get_visible (GTK_WIDGET (priv->menu))) + { + /* we get here only when the menu is activated by a key + * press, so that we can select the first menu item */ + popup_menu_under_arrow (button, NULL); + gtk_menu_shell_select_first (GTK_MENU_SHELL (priv->menu), FALSE); + } +} + +static gboolean +arrow_button_button_press_event_cb (GtkWidget *widget, + GdkEventButton *event, + GtkMenuToolButton *button) +{ + if (event->button == GDK_BUTTON_PRIMARY) + { + popup_menu_under_arrow (button, event); + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (widget), TRUE); + + return TRUE; + } + else + { + return FALSE; + } +} + +static void gtk_menu_tool_button_init (GtkMenuToolButton *button) { GtkWidget *box; + GtkWidget *arrow; GtkWidget *arrow_button; GtkWidget *real_button; @@ -298,7 +447,9 @@ gtk_menu_tool_button_init (GtkMenuToolButton *button) gtk_container_add (GTK_CONTAINER (box), real_button); g_object_unref (real_button); - arrow_button = gtk_menu_button_new (); + arrow_button = gtk_toggle_button_new (); + arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_NONE); + gtk_container_add (GTK_CONTAINER (arrow_button), arrow); gtk_box_pack_end (GTK_BOX (box), arrow_button, FALSE, FALSE, 0); @@ -308,12 +459,39 @@ gtk_menu_tool_button_init (GtkMenuToolButton *button) gtk_widget_show_all (box); gtk_container_add (GTK_CONTAINER (button), box); - gtk_menu_button_set_parent (GTK_MENU_BUTTON (arrow_button), - GTK_WIDGET (button)); button->priv->button = real_button; + button->priv->arrow = arrow; button->priv->arrow_button = arrow_button; button->priv->box = box; + + g_signal_connect (arrow_button, "toggled", + G_CALLBACK (arrow_button_toggled_cb), button); + g_signal_connect (arrow_button, "button-press-event", + G_CALLBACK (arrow_button_button_press_event_cb), button); +} + +static void +gtk_menu_tool_button_destroy (GtkWidget *widget) +{ + GtkMenuToolButton *button = GTK_MENU_TOOL_BUTTON (widget); + + if (button->priv->menu) + { + g_signal_handlers_disconnect_by_func (button->priv->menu, + menu_deactivate_cb, + button); + gtk_menu_detach (button->priv->menu); + + g_signal_handlers_disconnect_by_func (button->priv->arrow_button, + arrow_button_toggled_cb, + button); + g_signal_handlers_disconnect_by_func (button->priv->arrow_button, + arrow_button_button_press_event_cb, + button); + } + + GTK_WIDGET_CLASS (gtk_menu_tool_button_parent_class)->destroy (widget); } static void @@ -391,11 +569,30 @@ gtk_menu_tool_button_new_from_stock (const gchar *stock_id) return GTK_TOOL_ITEM (button); } +/* Callback for the "deactivate" signal on the pop-up menu. + * This is used so that we unset the state of the toggle button + * when the pop-up menu disappears. + */ +static int +menu_deactivate_cb (GtkMenuShell *menu_shell, + GtkMenuToolButton *button) +{ + GtkMenuToolButtonPrivate *priv = button->priv; + + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (priv->arrow_button), FALSE); + + return TRUE; +} + static void -_show_menu_emit (gpointer user_data) +menu_detacher (GtkWidget *widget, + GtkMenu *menu) { - GtkMenuToolButton *button = (GtkMenuToolButton *) user_data; - g_signal_emit (button, signals[SHOW_MENU], 0); + GtkMenuToolButtonPrivate *priv = GTK_MENU_TOOL_BUTTON (widget)->priv; + + g_return_if_fail (priv->menu == menu); + + priv->menu = NULL; } /** @@ -419,10 +616,34 @@ gtk_menu_tool_button_set_menu (GtkMenuToolButton *button, priv = button->priv; - _gtk_menu_button_set_menu_with_func (GTK_MENU_BUTTON (priv->arrow_button), - menu, - _show_menu_emit, - button); + if (priv->menu != GTK_MENU (menu)) + { + if (priv->menu && gtk_widget_get_visible (GTK_WIDGET (priv->menu))) + gtk_menu_shell_deactivate (GTK_MENU_SHELL (priv->menu)); + + if (priv->menu) + { + g_signal_handlers_disconnect_by_func (priv->menu, + menu_deactivate_cb, + button); + gtk_menu_detach (priv->menu); + } + + priv->menu = GTK_MENU (menu); + + if (priv->menu) + { + gtk_menu_attach_to_widget (priv->menu, GTK_WIDGET (button), + menu_detacher); + + gtk_widget_set_sensitive (priv->arrow_button, TRUE); + + g_signal_connect (priv->menu, "deactivate", + G_CALLBACK (menu_deactivate_cb), button); + } + else + gtk_widget_set_sensitive (priv->arrow_button, FALSE); + } g_object_notify (G_OBJECT (button), "menu"); } @@ -441,13 +662,9 @@ gtk_menu_tool_button_set_menu (GtkMenuToolButton *button, GtkWidget * gtk_menu_tool_button_get_menu (GtkMenuToolButton *button) { - GtkWidget *ret; - g_return_val_if_fail (GTK_IS_MENU_TOOL_BUTTON (button), NULL); - g_object_get (button->priv->arrow_button, "menu", &ret, NULL); - - return ret; + return GTK_WIDGET (button->priv->menu); } /** |