#define GTK_MENU_INTERNALS
+#include <config.h>
#include <string.h> /* memset */
#include "gdk/gdkkeysyms.h"
+#include "gtkaccellabel.h"
#include "gtkaccelmap.h"
#include "gtkbindings.h"
#include "gtklabel.h"
#include "gtkmain.h"
+#include "gtkmarshalers.h"
#include "gtkmenu.h"
#include "gtkmenuitem.h"
+#include "gtktearoffmenuitem.h"
#include "gtkwindow.h"
#include "gtkhbox.h"
#include "gtkvscrollbar.h"
#define MENU_ITEM_CLASS(w) GTK_MENU_ITEM_GET_CLASS (w)
#define MENU_NEEDS_RESIZE(m) GTK_MENU_SHELL (m)->menu_flag
-#define SUBMENU_NAV_REGION_PADDING 2
-#define SUBMENU_NAV_HYSTERESIS_TIMEOUT 333
+#define DEFAULT_POPUP_DELAY 225
+#define DEFAULT_POPDOWN_DELAY 1000
-#define MENU_SCROLL_STEP 10
+#define NAVIGATION_REGION_OVERSHOOT 50 /* How much the navigation region
+ * extends below the submenu
+ */
+
+#define MENU_SCROLL_STEP1 8
+#define MENU_SCROLL_STEP2 15
#define MENU_SCROLL_ARROW_HEIGHT 16
-#define MENU_SCROLL_FAST_ZONE 4
-#define MENU_SCROLL_TIMEOUT1 150
+#define MENU_SCROLL_FAST_ZONE 8
+#define MENU_SCROLL_TIMEOUT1 50
#define MENU_SCROLL_TIMEOUT2 50
+#define ATTACH_INFO_KEY "gtk-menu-child-attach-info-key"
+
typedef struct _GtkMenuAttachData GtkMenuAttachData;
typedef struct _GtkMenuPrivate GtkMenuPrivate;
gboolean have_position;
gint x;
gint y;
+
+ /* info used for the table */
+ guint rows;
+ guint columns;
+
+ guint *heights;
+ gint heights_length;
+
+ gint monitor_num;
+};
+
+typedef struct
+{
+ guint left_attach;
+ guint right_attach;
+ guint top_attach;
+ guint bottom_attach;
+}
+AttachInfo;
+
+enum {
+ MOVE_SCROLL,
+ LAST_SIGNAL
};
enum {
PROP_TEAROFF_TITLE
};
+enum
+{
+ CHILD_PROP_0,
+ CHILD_PROP_LEFT_ATTACH,
+ CHILD_PROP_RIGHT_ATTACH,
+ CHILD_PROP_TOP_ATTACH,
+ CHILD_PROP_BOTTOM_ATTACH
+};
+
static void gtk_menu_class_init (GtkMenuClass *klass);
static void gtk_menu_init (GtkMenu *menu);
-static void gtk_menu_set_property (GObject *object,
- guint prop_id,
- const GValue *value,
- GParamSpec *pspec);
-static void gtk_menu_get_property (GObject *object,
- guint prop_id,
- GValue *value,
- GParamSpec *pspec);
+static void gtk_menu_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void gtk_menu_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec);
+static void gtk_menu_set_child_property(GtkContainer *container,
+ GtkWidget *child,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void gtk_menu_get_child_property(GtkContainer *container,
+ GtkWidget *child,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec);
static void gtk_menu_destroy (GtkObject *object);
static void gtk_menu_finalize (GObject *object);
static void gtk_menu_realize (GtkWidget *widget);
GdkEventExpose *event);
static gboolean gtk_menu_key_press (GtkWidget *widget,
GdkEventKey *event);
+static gboolean gtk_menu_button_press (GtkWidget *widget,
+ GdkEventButton *event);
+static gboolean gtk_menu_button_release (GtkWidget *widget,
+ GdkEventButton *event);
static gboolean gtk_menu_motion_notify (GtkWidget *widget,
GdkEventMotion *event);
static gboolean gtk_menu_enter_notify (GtkWidget *widget,
GdkEventCrossing *event);
static void gtk_menu_scroll_to (GtkMenu *menu,
gint offset);
-static void gtk_menu_stop_scrolling (GtkMenu *menu);
-static gboolean gtk_menu_scroll_timeout (gpointer data);
+
+static void gtk_menu_stop_scrolling (GtkMenu *menu);
+static void gtk_menu_remove_scroll_timeout (GtkMenu *menu);
+static gboolean gtk_menu_scroll_timeout (gpointer data);
+
static void gtk_menu_scroll_item_visible (GtkMenuShell *menu_shell,
GtkWidget *menu_item);
static void gtk_menu_select_item (GtkMenuShell *menu_shell,
GtkWidget *menu_item);
+static void gtk_menu_do_insert (GtkMenuShell *menu_shell,
+ GtkWidget *child,
+ gint position);
static void gtk_menu_real_insert (GtkMenuShell *menu_shell,
GtkWidget *child,
gint position);
GtkStyle *previous_style);
static gboolean gtk_menu_focus (GtkWidget *widget,
GtkDirectionType direction);
-
+static gint gtk_menu_get_popup_delay (GtkMenuShell *menu_shell);
+static void gtk_menu_move_current (GtkMenuShell *menu_shell,
+ GtkMenuDirectionType direction);
+static void gtk_menu_real_move_scroll (GtkMenu *menu,
+ GtkScrollType type);
static void gtk_menu_stop_navigating_submenu (GtkMenu *menu);
static gboolean gtk_menu_stop_navigating_submenu_cb (gpointer user_data);
static void menu_grab_transfer_window_destroy (GtkMenu *menu);
static GdkWindow *menu_grab_transfer_window_get (GtkMenu *menu);
+static gboolean gtk_menu_real_can_activate_accel (GtkWidget *widget,
+ guint signal_id);
static void _gtk_menu_refresh_accel_paths (GtkMenu *menu,
gboolean group_changed);
static GtkMenuShellClass *parent_class = NULL;
static const gchar *attach_data_key = "gtk-menu-attach-data";
+static guint menu_signals[LAST_SIGNAL] = { 0 };
+
+static void
+gtk_menu_free_private (gpointer data)
+{
+ GtkMenuPrivate *priv = (GtkMenuPrivate *)data;
+
+ g_free (priv->heights);
+
+ g_free (priv);
+}
+
GtkMenuPrivate *
gtk_menu_get_private (GtkMenu *menu)
{
private->have_position = FALSE;
g_object_set_qdata_full (G_OBJECT (menu), private_quark,
- private, g_free);
+ private, gtk_menu_free_private);
}
return private;
gobject_class->set_property = gtk_menu_set_property;
gobject_class->get_property = gtk_menu_get_property;
- g_object_class_install_property (gobject_class,
- PROP_TEAROFF_TITLE,
- g_param_spec_string ("tearoff-title",
- _("Tearoff Title"),
- _("A title that may be displayed by the window manager when this menu is torn-off"),
- "",
- G_PARAM_READABLE | G_PARAM_WRITABLE));
-
object_class->destroy = gtk_menu_destroy;
widget_class->realize = gtk_menu_realize;
widget_class->show = gtk_menu_show;
widget_class->expose_event = gtk_menu_expose;
widget_class->key_press_event = gtk_menu_key_press;
+ widget_class->button_press_event = gtk_menu_button_press;
+ widget_class->button_release_event = gtk_menu_button_release;
widget_class->motion_notify_event = gtk_menu_motion_notify;
widget_class->show_all = gtk_menu_show_all;
widget_class->hide_all = gtk_menu_hide_all;
widget_class->enter_notify_event = gtk_menu_enter_notify;
widget_class->leave_notify_event = gtk_menu_leave_notify;
+ widget_class->motion_notify_event = gtk_menu_motion_notify;
widget_class->style_set = gtk_menu_style_set;
widget_class->focus = gtk_menu_focus;
+ widget_class->can_activate_accel = gtk_menu_real_can_activate_accel;
container_class->remove = gtk_menu_remove;
+ container_class->get_child_property = gtk_menu_get_child_property;
+ container_class->set_child_property = gtk_menu_set_child_property;
menu_shell_class->submenu_placement = GTK_LEFT_RIGHT;
menu_shell_class->deactivate = gtk_menu_deactivate;
menu_shell_class->select_item = gtk_menu_select_item;
menu_shell_class->insert = gtk_menu_real_insert;
+ menu_shell_class->get_popup_delay = gtk_menu_get_popup_delay;
+ menu_shell_class->move_current = gtk_menu_move_current;
+
+ menu_signals[MOVE_SCROLL] =
+ _gtk_binding_signal_new ("move_scroll",
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_CALLBACK (gtk_menu_real_move_scroll),
+ NULL, NULL,
+ _gtk_marshal_VOID__ENUM,
+ G_TYPE_NONE, 1,
+ GTK_TYPE_SCROLL_TYPE);
+
+ g_object_class_install_property (gobject_class,
+ PROP_TEAROFF_TITLE,
+ g_param_spec_string ("tearoff-title",
+ P_("Tearoff Title"),
+ P_("A title that may be displayed by the window manager when this menu is torn-off"),
+ "",
+ G_PARAM_READABLE | G_PARAM_WRITABLE));
+
+ gtk_widget_class_install_style_property (widget_class,
+ g_param_spec_int ("vertical-padding",
+ P_("Vertical Padding"),
+ P_("Extra space at the top and bottom of the menu"),
+ 0,
+ G_MAXINT,
+ 1,
+ G_PARAM_READABLE));
+
+ gtk_widget_class_install_style_property (widget_class,
+ g_param_spec_int ("vertical-offset",
+ P_("Vertical Offset"),
+ P_("When the menu is a submenu, position it this number of pixels offset vertically"),
+ G_MININT,
+ G_MAXINT,
+ 0,
+ G_PARAM_READABLE));
+
+ gtk_widget_class_install_style_property (widget_class,
+ g_param_spec_int ("horizontal-offset",
+ P_("Horizontal Offset"),
+ P_("When the menu is a submenu, position it this number of pixels offset horizontally"),
+ G_MININT,
+ G_MAXINT,
+ -2,
+ G_PARAM_READABLE));
+
+
+ gtk_container_class_install_child_property (container_class,
+ CHILD_PROP_LEFT_ATTACH,
+ g_param_spec_uint ("left_attach",
+ P_("Left Attach"),
+ P_("The column number to attach the left side of the child to"),
+ 0, UINT_MAX, 0,
+ G_PARAM_READWRITE));
+
+ gtk_container_class_install_child_property (container_class,
+ CHILD_PROP_RIGHT_ATTACH,
+ g_param_spec_uint ("right_attach",
+ P_("Right Attach"),
+ P_("The column number to attach the right side of the child to"),
+ 0, UINT_MAX, 0,
+ G_PARAM_READWRITE));
+
+ gtk_container_class_install_child_property (container_class,
+ CHILD_PROP_TOP_ATTACH,
+ g_param_spec_uint ("top_attach",
+ P_("Top Attach"),
+ P_("The row number to attach the top of the child to"),
+ 0, UINT_MAX, 0,
+ G_PARAM_READWRITE));
+
+ gtk_container_class_install_child_property (container_class,
+ CHILD_PROP_BOTTOM_ATTACH,
+ g_param_spec_uint ("bottom_attach",
+ P_("Bottom Attach"),
+ P_("The row number to attach the bottom of the child to"),
+ 0, UINT_MAX, 0,
+ G_PARAM_READWRITE));
binding_set = gtk_binding_set_by_class (class);
gtk_binding_entry_add_signal (binding_set,
"move_current", 1,
GTK_TYPE_MENU_DIRECTION_TYPE,
GTK_MENU_DIR_CHILD);
+ gtk_binding_entry_add_signal (binding_set,
+ GDK_Home, 0,
+ "move_scroll", 1,
+ GTK_TYPE_SCROLL_TYPE,
+ GTK_SCROLL_START);
+ gtk_binding_entry_add_signal (binding_set,
+ GDK_KP_Home, 0,
+ "move_scroll", 1,
+ GTK_TYPE_SCROLL_TYPE,
+ GTK_SCROLL_START);
+ gtk_binding_entry_add_signal (binding_set,
+ GDK_End, 0,
+ "move_scroll", 1,
+ GTK_TYPE_SCROLL_TYPE,
+ GTK_SCROLL_END);
+ gtk_binding_entry_add_signal (binding_set,
+ GDK_KP_End, 0,
+ "move_scroll", 1,
+ GTK_TYPE_SCROLL_TYPE,
+ GTK_SCROLL_END);
+ gtk_binding_entry_add_signal (binding_set,
+ GDK_Page_Up, 0,
+ "move_scroll", 1,
+ GTK_TYPE_SCROLL_TYPE,
+ GTK_SCROLL_PAGE_UP);
+ gtk_binding_entry_add_signal (binding_set,
+ GDK_KP_Page_Up, 0,
+ "move_scroll", 1,
+ GTK_TYPE_SCROLL_TYPE,
+ GTK_SCROLL_PAGE_UP);
+ gtk_binding_entry_add_signal (binding_set,
+ GDK_Page_Down, 0,
+ "move_scroll", 1,
+ GTK_TYPE_SCROLL_TYPE,
+ GTK_SCROLL_PAGE_DOWN);
+ gtk_binding_entry_add_signal (binding_set,
+ GDK_KP_Page_Down, 0,
+ "move_scroll", 1,
+ GTK_TYPE_SCROLL_TYPE,
+ GTK_SCROLL_PAGE_DOWN);
gtk_settings_install_property (g_param_spec_boolean ("gtk-can-change-accels",
- _("Can change accelerators"),
- _("Whether menu accelerators can be changed by pressing a key over the menu item"),
+ P_("Can change accelerators"),
+ P_("Whether menu accelerators can be changed by pressing a key over the menu item"),
FALSE,
G_PARAM_READWRITE));
+
+ gtk_settings_install_property (g_param_spec_int ("gtk-menu-popup-delay",
+ P_("Delay before submenus appear"),
+ P_("Minimum time the pointer must stay over a menu item before the submenu appear"),
+ 0,
+ G_MAXINT,
+ DEFAULT_POPUP_DELAY,
+ G_PARAM_READWRITE));
+
+ gtk_settings_install_property (g_param_spec_int ("gtk-menu-popdown-delay",
+ P_("Delay before hiding a submenu"),
+ P_("The time before hiding a submenu when the pointer is moving towards the submenu"),
+ 0,
+ G_MAXINT,
+ DEFAULT_POPDOWN_DELAY,
+ G_PARAM_READWRITE));
+
}
}
}
+static AttachInfo *
+get_attach_info (GObject *child)
+{
+ AttachInfo *ai = g_object_get_data (child, ATTACH_INFO_KEY);
+
+ if (!ai)
+ {
+ ai = g_new0 (AttachInfo, 1);
+ g_object_set_data_full (child, ATTACH_INFO_KEY, ai, g_free);
+ }
+
+ return ai;
+}
+
+static void
+gtk_menu_set_child_property (GtkContainer *container,
+ GtkWidget *child,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GtkMenu *menu = GTK_MENU (container);
+ GtkMenuPrivate *priv;
+ AttachInfo *ai = get_attach_info (G_OBJECT (child));
+
+ priv = gtk_menu_get_private (menu);
+
+ switch (property_id)
+ {
+ case CHILD_PROP_LEFT_ATTACH:
+ ai->left_attach = g_value_get_uint (value);
+ break;
+ case CHILD_PROP_RIGHT_ATTACH:
+ ai->right_attach = g_value_get_uint (value);
+ priv->columns = MAX (priv->columns, ai->right_attach);
+ break;
+ case CHILD_PROP_TOP_ATTACH:
+ ai->top_attach = g_value_get_uint (value);
+ break;
+ case CHILD_PROP_BOTTOM_ATTACH:
+ ai->bottom_attach = g_value_get_uint (value);
+ priv->rows = MAX (priv->rows, ai->bottom_attach);
+ break;
+ default:
+ GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, property_id, pspec);
+ return;
+ }
+
+ gtk_widget_queue_resize (GTK_WIDGET (menu));
+}
+
+static void
+gtk_menu_get_child_property (GtkContainer *container,
+ GtkWidget *child,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ AttachInfo *ai = get_attach_info (G_OBJECT (child));
+
+ switch (property_id)
+ {
+ case CHILD_PROP_LEFT_ATTACH:
+ g_value_set_uint (value, ai->left_attach);
+ break;
+ case CHILD_PROP_RIGHT_ATTACH:
+ g_value_set_uint (value, ai->right_attach);
+ break;
+ case CHILD_PROP_TOP_ATTACH:
+ g_value_set_uint (value, ai->top_attach);
+ break;
+ case CHILD_PROP_BOTTOM_ATTACH:
+ g_value_set_uint (value, ai->bottom_attach);
+ break;
+
+ default:
+ GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, property_id, pspec);
+ return;
+ }
+}
+
+static void
+get_child_attach (GtkWidget *child,
+ gint *l,
+ gint *r,
+ gint *t,
+ gint *b)
+{
+ gtk_container_child_get (GTK_CONTAINER (child->parent), child,
+ "left_attach", l,
+ "right_attach", r,
+ "top_attach", t,
+ "bottom_attach", b,
+ NULL);
+}
+
static gboolean
gtk_menu_window_event (GtkWidget *window,
GdkEvent *event,
if (private->have_position)
{
- gint screen_height = gdk_screen_height ();
+ GdkScreen *screen = gtk_widget_get_screen (window);
+ GdkRectangle monitor;
+
+ gdk_screen_get_monitor_geometry (screen, private->monitor_num, &monitor);
- if (private->y + requisition->height > screen_height)
- requisition->height = screen_height - private->y;
+ if (private->y + requisition->height > monitor.y + monitor.height)
+ requisition->height = monitor.y + monitor.height - private->y;
+
+ if (private->y < monitor.y)
+ requisition->height -= monitor.y - private->y;
}
}
static void
gtk_menu_init (GtkMenu *menu)
{
+ GtkMenuPrivate *priv = gtk_menu_get_private (menu);
+
menu->parent_menu_item = NULL;
menu->old_active_menu_item = NULL;
menu->accel_group = NULL;
menu->lower_arrow_prelight = FALSE;
MENU_NEEDS_RESIZE (menu) = TRUE;
+
+ priv->columns = 1;
}
static void
G_OBJECT_CLASS (parent_class)->finalize (object);
}
+static void
+menu_change_screen (GtkMenu *menu,
+ GdkScreen *new_screen)
+{
+ GtkMenuPrivate *private = gtk_menu_get_private (menu);
+
+ if (menu->torn_off)
+ {
+ gtk_window_set_screen (GTK_WINDOW (menu->tearoff_window), new_screen);
+ gtk_menu_position (menu);
+ }
+
+ gtk_window_set_screen (GTK_WINDOW (menu->toplevel), new_screen);
+ private->monitor_num = -1;
+}
+
+static void
+attach_widget_screen_changed (GtkWidget *attach_widget,
+ GdkScreen *previous_screen,
+ GtkMenu *menu)
+{
+ if (gtk_widget_has_screen (attach_widget) &&
+ !g_object_get_data (G_OBJECT (menu), "gtk-menu-explicit-screen"))
+ {
+ menu_change_screen (menu, gtk_widget_get_screen (attach_widget));
+ }
+}
+
void
gtk_menu_attach_to_widget (GtkMenu *menu,
GtkWidget *attach_widget,
{
g_warning ("gtk_menu_attach_to_widget(): menu already attached to %s",
g_type_name (G_TYPE_FROM_INSTANCE (data->attach_widget)));
- return;
+ return;
}
g_object_ref (menu);
data = g_new (GtkMenuAttachData, 1);
data->attach_widget = attach_widget;
+
+ g_signal_connect (attach_widget, "screen_changed",
+ G_CALLBACK (attach_widget_screen_changed), menu);
+ attach_widget_screen_changed (attach_widget, NULL, menu);
+
data->detacher = detacher;
g_object_set_data (G_OBJECT (menu), attach_data_key, data);
}
g_object_set_data (G_OBJECT (menu), attach_data_key, NULL);
+ g_signal_handlers_disconnect_by_func (data->attach_widget,
+ (gpointer) attach_widget_screen_changed,
+ menu);
+
data->detacher (data->attach_widget, menu);
if (GTK_WIDGET_REALIZED (menu))
g_object_unref (menu);
}
+static void
+gtk_menu_do_remove (GtkMenuShell *menu_shell,
+ GtkWidget *child)
+{
+ AttachInfo *ai;
+ GList *children;
+ GtkMenuPrivate *priv;
+ gint delta;
+ gboolean single_column;
+
+ ai = get_attach_info (G_OBJECT (child));
+ priv = gtk_menu_get_private (GTK_MENU (menu_shell));
+ delta = ai->bottom_attach - ai->top_attach;
+ single_column = priv->columns == 1;
+
+ /* Recalculate these, assuming the child has already been removed.
+ * Note that an empty menu is assumed to have one column
+ */
+ priv->rows = 0;
+ priv->columns = 1;
+
+ for (children = menu_shell->children; children; children = children->next)
+ {
+ AttachInfo *child_ai = get_attach_info (children->data);
+
+ /* Do not move items in table menus */
+ if (single_column && child_ai->bottom_attach > ai->bottom_attach)
+ gtk_container_child_set (GTK_CONTAINER (menu_shell), children->data,
+ "top_attach", child_ai->top_attach - delta,
+ "bottom_attach", child_ai->bottom_attach - delta,
+ NULL);
+ else
+ {
+ priv->columns = MAX (priv->columns, child_ai->right_attach);
+ priv->rows = MAX (priv->rows, child_ai->bottom_attach);
+ }
+ }
+}
+
static void
gtk_menu_remove (GtkContainer *container,
GtkWidget *widget)
{
GtkMenu *menu;
+
g_return_if_fail (GTK_IS_MENU (container));
g_return_if_fail (GTK_IS_MENU_ITEM (widget));
}
GTK_CONTAINER_CLASS (parent_class)->remove (container, widget);
+ gtk_menu_do_remove (GTK_MENU_SHELL (container), widget);
+ g_object_set_data (G_OBJECT (widget), ATTACH_INFO_KEY, NULL);
}
return g_object_new (GTK_TYPE_MENU, NULL);
}
+static void
+gtk_menu_do_insert (GtkMenuShell *menu_shell,
+ GtkWidget *child,
+ gint position)
+{
+ GList *children;
+ GtkMenuPrivate *priv;
+
+ priv = gtk_menu_get_private (GTK_MENU (menu_shell));
+
+ if (position < 0 || position >= priv->rows)
+ {
+ /* attach after the last row */
+ gtk_menu_attach (GTK_MENU (menu_shell), child,
+ 0, priv->columns,
+ priv->rows, priv->rows + 1);
+
+ return;
+ }
+
+ /* We need to make space for this new item; move all items with
+ * top >= position one down.
+ * Note that this does not prevent overlaps when the menu contains
+ * vertically spanning items.
+ */
+ for (children = menu_shell->children; children; children = children->next)
+ {
+ AttachInfo *child_ai = get_attach_info (children->data);
+
+ if (child_ai->top_attach >= position)
+ gtk_container_child_set (GTK_CONTAINER (menu_shell), children->data,
+ "top_attach", child_ai->top_attach + 1,
+ "bottom_attach", child_ai->bottom_attach + 1,
+ NULL);
+ }
+
+ /* attach the new item */
+ gtk_menu_attach (GTK_MENU (menu_shell), child,
+ 0, priv->columns,
+ position, position + 1);
+}
+
static void
gtk_menu_real_insert (GtkMenuShell *menu_shell,
GtkWidget *child,
{
if (GTK_WIDGET_REALIZED (menu_shell))
gtk_widget_set_parent_window (child, GTK_MENU (menu_shell)->bin_window);
-
+
GTK_MENU_SHELL_CLASS (parent_class)->insert (menu_shell, child, position);
+
+ gtk_menu_do_insert (menu_shell, child, position);
}
static void
return FALSE;
}
+/**
+ * gtk_menu_popup:
+ * @menu: a #GtkMenu.
+ * @parent_menu_shell: the menu shell containing the triggering menu item, or %NULL
+ * @parent_menu_item: the menu item whose activation triggered the popup, or %NULL
+ * @func: a user supplied function used to position the menu, or %NULL
+ * @data: user supplied data to be passed to @func.
+ * @button: the mouse button which was pressed to initiate the event.
+ * @activate_time: the time at which the activation event occurred.
+ *
+ * Displays a menu and makes it available for selection. Applications can use
+ * this function to display context-sensitive menus, and will typically supply
+ * %NULL for the @parent_menu_shell, @parent_menu_item, @func and @data
+ * parameters. The default menu positioning function will position the menu
+ * at the current mouse cursor position.
+ *
+ * The @button parameter should be the mouse button pressed to initiate
+ * the menu popup. If the menu popup was initiated by something other than
+ * a mouse button press, such as a mouse button release or a keypress,
+ * @button should be 0.
+ *
+ * The @activate_time parameter should be the time stamp of the event that
+ * initiated the popup. If such an event is not available, use
+ * gtk_get_current_event_time() instead.
+ *
+ */
void
gtk_menu_popup (GtkMenu *menu,
GtkWidget *parent_menu_shell,
GtkWidget *parent;
GdkEvent *current_event;
GtkMenuShell *menu_shell;
- GtkMenuAttachData *attach_data;
g_return_if_fail (GTK_IS_MENU (menu));
menu_shell->parent_menu_shell = parent_menu_shell;
- if (!g_object_get_data (G_OBJECT (menu), "gtk-menu-explicit-screen"))
- {
- /* The screen was not set explicitly, if the menu is
- * attached to a widget, try to get screen from its
- * toplevel window else go with the default
- */
- attach_data = g_object_get_data (G_OBJECT (menu), attach_data_key);
- if (attach_data)
- {
- if (!GTK_WIDGET_REALIZED (menu))
- gtk_window_set_screen (GTK_WINDOW (menu->toplevel),
- gtk_widget_get_screen (attach_data->attach_widget));
- }
- }
-
/* Find the last viewable ancestor, and make an X grab on it
*/
parent = GTK_WIDGET (menu);
gdk_event_free (current_event);
}
+ else
+ menu_shell->ignore_enter = TRUE;
if (menu->torn_off)
{
gtk_menu_reparent (menu, menu->toplevel, FALSE);
}
+
+ if (parent_menu_shell)
+ {
+ GtkWidget *toplevel;
+
+ toplevel = gtk_widget_get_toplevel (parent_menu_shell);
+ if (GTK_IS_WINDOW (toplevel))
+ gtk_window_group_add_window (_gtk_window_get_group (GTK_WINDOW (toplevel)),
+ GTK_WINDOW (menu->toplevel));
+ }
menu->parent_menu_item = parent_menu_item;
menu->position_func = func;
if (xgrab_shell == widget)
popup_grab_on_window (widget->window, activate_time); /* Should always succeed */
-
gtk_grab_add (GTK_WIDGET (menu));
}
/* The X Grab, if present, will automatically be removed when we hide
* the window */
gtk_widget_hide (menu->toplevel);
+ gtk_window_group_add_window (_gtk_window_get_group (NULL), GTK_WINDOW (menu->toplevel));
if (menu->torn_off)
{
return menu->accel_group;
}
+static gboolean
+gtk_menu_real_can_activate_accel (GtkWidget *widget,
+ guint signal_id)
+{
+ /* Menu items chain here to figure whether they can activate their
+ * accelerators. Unlike ordinary widgets, menus allow accel
+ * activation even if invisible since that's the usual case for
+ * submenus/popup-menus. however, the state of the attach widget
+ * affects the "activeness" of the menu.
+ */
+ GtkWidget *awidget = gtk_menu_get_attach_widget (GTK_MENU (widget));
+
+ if (awidget)
+ return gtk_widget_can_activate_accel (awidget, signal_id);
+ else
+ return GTK_WIDGET_IS_SENSITIVE (widget);
+}
+
/**
* gtk_menu_set_accel_path
* @menu: a valid #GtkMenu
}
}
+static GtkWidget*
+gtk_menu_get_toplevel (GtkWidget *menu)
+{
+ GtkWidget *attach, *toplevel;
+
+ attach = gtk_menu_get_attach_widget (GTK_MENU (menu));
+
+ if (GTK_IS_MENU_ITEM (attach))
+ attach = attach->parent;
+
+ if (GTK_IS_MENU (attach))
+ return gtk_menu_get_toplevel (attach->parent);
+ else if (GTK_IS_WIDGET (attach))
+ {
+ toplevel = gtk_widget_get_toplevel (attach->parent);
+ if (GTK_WIDGET_TOPLEVEL (toplevel))
+ return toplevel;
+ }
+
+ return NULL;
+}
+
void
gtk_menu_set_tearoff_state (GtkMenu *menu,
gboolean torn_off)
if (!menu->tearoff_window)
{
+ GtkWidget *toplevel;
+
menu->tearoff_window = gtk_widget_new (GTK_TYPE_WINDOW,
"type", GTK_WINDOW_TOPLEVEL,
"screen", gtk_widget_get_screen (menu->toplevel),
"app_paintable", TRUE,
NULL);
+
gtk_window_set_type_hint (GTK_WINDOW (menu->tearoff_window),
GDK_WINDOW_TYPE_HINT_MENU);
gtk_window_set_mnemonic_modifier (GTK_WINDOW (menu->tearoff_window), 0);
gtk_menu_update_title (menu);
gtk_widget_realize (menu->tearoff_window);
+
+ toplevel = gtk_menu_get_toplevel (GTK_WIDGET (menu));
+ if (toplevel != NULL)
+ gtk_window_set_transient_for (GTK_WINDOW (menu->tearoff_window),
+ GTK_WINDOW (toplevel));
menu->tearoff_hbox = gtk_hbox_new (FALSE, FALSE);
gtk_container_add (GTK_CONTAINER (menu->tearoff_window), menu->tearoff_hbox);
GTK_ADJUSTMENT (gtk_adjustment_new (0,
0,
GTK_WIDGET (menu)->requisition.height,
- MENU_SCROLL_STEP,
+ MENU_SCROLL_STEP2,
height/2,
height));
g_object_connect (menu->tearoff_adjustment,
}
else
{
+ gtk_widget_hide (GTK_WIDGET (menu));
gtk_widget_hide (menu->tearoff_window);
gtk_menu_reparent (menu, menu->toplevel, FALSE);
+ gtk_widget_destroy (menu->tearoff_window);
+
+ menu->tearoff_window = NULL;
+ menu->tearoff_hbox = NULL;
+ menu->tearoff_scrollbar = NULL;
+ menu->tearoff_adjustment = NULL;
}
}
}
gint position)
{
GtkMenuShell *menu_shell;
+
g_return_if_fail (GTK_IS_MENU (menu));
g_return_if_fail (GTK_IS_MENU_ITEM (child));
+
menu_shell = GTK_MENU_SHELL (menu);
+
if (g_list_find (menu_shell->children, child))
{
menu_shell->children = g_list_remove (menu_shell->children, child);
- menu_shell->children = g_list_insert (menu_shell->children, child, position);
+ menu_shell->children = g_list_insert (menu_shell->children, child, position);
+ gtk_menu_do_insert (menu_shell, child, position);
+
if (GTK_WIDGET_VISIBLE (menu_shell))
gtk_widget_queue_resize (GTK_WIDGET (menu_shell));
}
GtkMenu *menu;
GtkWidget *child;
GList *children;
-
+ guint vertical_padding;
+
g_return_if_fail (GTK_IS_MENU (widget));
menu = GTK_MENU (widget);
attributes.colormap = gtk_widget_get_colormap (widget);
attributes.event_mask = gtk_widget_get_events (widget);
+
attributes.event_mask |= (GDK_EXPOSURE_MASK | GDK_KEY_PRESS_MASK |
GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK );
gdk_window_set_user_data (widget->window, widget);
border_width = GTK_CONTAINER (widget)->border_width;
+
+ gtk_widget_style_get (GTK_WIDGET (menu),
+ "vertical-padding", &vertical_padding,
+ NULL);
attributes.x = border_width + widget->style->xthickness;
- attributes.y = border_width + widget->style->ythickness;
+ attributes.y = border_width + widget->style->ythickness + vertical_padding;
attributes.width = MAX (1, widget->allocation.width - attributes.x * 2);
attributes.height = MAX (1, widget->allocation.height - attributes.y * 2);
attributes.x = 0;
attributes.y = 0;
- attributes.height = MAX (1, widget->requisition.height - (border_width + widget->style->ythickness) * 2);
+ attributes.height = MAX (1, widget->requisition.height - (border_width + widget->style->ythickness + vertical_padding) * 2);
menu->bin_window = gdk_window_new (menu->view_window, &attributes, attributes_mask);
gdk_window_set_user_data (menu->bin_window, menu);
gtk_menu_size_request (GtkWidget *widget,
GtkRequisition *requisition)
{
+ gint i;
GtkMenu *menu;
GtkMenuShell *menu_shell;
GtkWidget *child;
GList *children;
guint max_toggle_size;
guint max_accel_width;
+ guint vertical_padding;
GtkRequisition child_requisition;
+ GtkMenuPrivate *priv;
g_return_if_fail (GTK_IS_MENU (widget));
g_return_if_fail (requisition != NULL);
menu = GTK_MENU (widget);
menu_shell = GTK_MENU_SHELL (widget);
+ priv = gtk_menu_get_private (menu);
requisition->width = 0;
requisition->height = 0;
max_toggle_size = 0;
max_accel_width = 0;
+ g_free (priv->heights);
+ priv->heights = g_new0 (guint, priv->rows);
+ priv->heights_length = priv->rows;
+
children = menu_shell->children;
while (children)
{
+ gint part;
+ gint toggle_size;
+ guint l, r, t, b;
+
child = children->data;
children = children->next;
- if (GTK_WIDGET_VISIBLE (child))
- {
- gint toggle_size;
-
- /* It's important to size_request the child
- * before doing the toggle size request, in
- * case the toggle size request depends on the size
- * request of a child of the child (e.g. for ImageMenuItem)
- */
-
- GTK_MENU_ITEM (child)->show_submenu_indicator = TRUE;
- gtk_widget_size_request (child, &child_requisition);
-
- requisition->width = MAX (requisition->width, child_requisition.width);
- requisition->height += child_requisition.height;
+ if (! GTK_WIDGET_VISIBLE (child))
+ continue;
- gtk_menu_item_toggle_size_request (GTK_MENU_ITEM (child), &toggle_size);
- max_toggle_size = MAX (max_toggle_size, toggle_size);
- max_accel_width = MAX (max_accel_width, GTK_MENU_ITEM (child)->accelerator_width);
- }
+ get_child_attach (child, &l, &r, &t, &b);
+
+ /* It's important to size_request the child
+ * before doing the toggle size request, in
+ * case the toggle size request depends on the size
+ * request of a child of the child (e.g. for ImageMenuItem)
+ */
+
+ GTK_MENU_ITEM (child)->show_submenu_indicator = TRUE;
+ gtk_widget_size_request (child, &child_requisition);
+
+ gtk_menu_item_toggle_size_request (GTK_MENU_ITEM (child), &toggle_size);
+ max_toggle_size = MAX (max_toggle_size, toggle_size);
+ max_accel_width = MAX (max_accel_width,
+ GTK_MENU_ITEM (child)->accelerator_width);
+
+ part = child_requisition.width / (r - l);
+ requisition->width = MAX (requisition->width, part);
+
+ part = MAX (child_requisition.height, toggle_size) / (b - t);
+ priv->heights[t] = MAX (priv->heights[t], part);
}
-
+
+ for (i = 0; i < priv->rows; i++)
+ requisition->height += priv->heights[i];
+
requisition->width += max_toggle_size + max_accel_width;
+ requisition->width *= priv->columns;
requisition->width += (GTK_CONTAINER (menu)->border_width +
widget->style->xthickness) * 2;
- requisition->height += (GTK_CONTAINER (menu)->border_width +
+
+ gtk_widget_style_get (GTK_WIDGET (menu),
+ "vertical-padding", &vertical_padding,
+ NULL);
+ requisition->height += (GTK_CONTAINER (menu)->border_width + vertical_padding +
widget->style->ythickness) * 2;
menu->toggle_size = max_toggle_size;
GtkMenuShell *menu_shell;
GtkWidget *child;
GtkAllocation child_allocation;
+ GtkRequisition child_requisition;
+ GtkMenuPrivate *priv;
GList *children;
gint x, y;
gint width, height;
+ guint vertical_padding;
g_return_if_fail (GTK_IS_MENU (widget));
g_return_if_fail (allocation != NULL);
menu = GTK_MENU (widget);
menu_shell = GTK_MENU_SHELL (widget);
+ priv = gtk_menu_get_private (menu);
widget->allocation = *allocation;
+ gtk_widget_get_child_requisition (GTK_WIDGET (menu), &child_requisition);
- x = GTK_CONTAINER (menu)->border_width + widget->style->xthickness;
- y = GTK_CONTAINER (menu)->border_width + widget->style->ythickness;
+ gtk_widget_style_get (GTK_WIDGET (menu),
+ "vertical-padding", &vertical_padding,
+ NULL);
+ x = GTK_CONTAINER (menu)->border_width + widget->style->xthickness;
+ y = GTK_CONTAINER (menu)->border_width + widget->style->ythickness + vertical_padding;
+
width = MAX (1, allocation->width - x * 2);
height = MAX (1, allocation->height - y * 2);
+ child_requisition.width -= x * 2;
+ child_requisition.height -= y * 2;
+
if (menu_shell->active)
gtk_menu_scroll_to (menu, menu->scroll_offset);
if (menu_shell->children)
{
- child_allocation.x = 0;
- child_allocation.y = 0;
- child_allocation.width = width;
-
+ gint base_width = width / priv->columns;
+
children = menu_shell->children;
while (children)
{
child = children->data;
children = children->next;
-
+
if (GTK_WIDGET_VISIBLE (child))
{
- GtkRequisition child_requisition;
- gtk_widget_get_child_requisition (child, &child_requisition);
-
- child_allocation.height = child_requisition.height;
+ gint i;
+ guint l, r, t, b;
+
+ get_child_attach (child, &l, &r, &t, &b);
+
+ if (gtk_widget_get_direction (GTK_WIDGET (menu)) == GTK_TEXT_DIR_RTL)
+ {
+ guint tmp;
+ tmp = priv->columns - l;
+ l = priv->columns - r;
+ r = tmp;
+ }
+
+ child_allocation.width = (r - l) * base_width;
+ child_allocation.height = 0;
+ child_allocation.x = l * base_width;
+ child_allocation.y = 0;
+
+ for (i = 0; i < b; i++)
+ {
+ if (i < t)
+ child_allocation.y += priv->heights[i];
+ else
+ child_allocation.height += priv->heights[i];
+ }
gtk_menu_item_toggle_size_allocate (GTK_MENU_ITEM (child),
menu->toggle_size);
+
gtk_widget_size_allocate (child, &child_allocation);
gtk_widget_queue_draw (child);
-
- child_allocation.y += child_allocation.height;
}
}
/* Resize the item window */
if (GTK_WIDGET_REALIZED (widget))
{
- gdk_window_resize (menu->bin_window,
- child_allocation.width,
- child_allocation.y);
- }
+ gint i;
+ gint width, height;
+
+ height = 0;
+ for (i = 0; i < priv->rows; i++)
+ height += priv->heights[i];
+ width = priv->columns * base_width;
+ gdk_window_resize (menu->bin_window, width, height);
+ }
if (menu->tearoff_active)
{
GtkMenu *menu;
gint width, height;
gint border_x, border_y;
+ guint vertical_padding;
g_return_if_fail (GTK_IS_MENU (widget));
menu = GTK_MENU (widget);
+
+ gtk_widget_style_get (GTK_WIDGET (menu),
+ "vertical-padding", &vertical_padding,
+ NULL);
border_x = GTK_CONTAINER (widget)->border_width + widget->style->xthickness;
- border_y = GTK_CONTAINER (widget)->border_width + widget->style->ythickness;
+ border_y = GTK_CONTAINER (widget)->border_width + widget->style->ythickness + vertical_padding;
gdk_drawable_get_size (widget->window, &width, &height);
if (event->window == widget->window)
{
+ gint arrow_space = MENU_SCROLL_ARROW_HEIGHT - 2 * widget->style->ythickness;
+ gint arrow_size = 0.7 * arrow_space;
+
gtk_paint_box (widget->style,
widget->window,
GTK_STATE_NORMAL,
NULL, widget, "menu",
border_x,
border_y,
- width - 2*border_x,
+ width - 2 * border_x,
MENU_SCROLL_ARROW_HEIGHT);
gtk_paint_arrow (widget->style,
menu->upper_arrow_prelight ?
GTK_STATE_PRELIGHT : GTK_STATE_NORMAL,
GTK_SHADOW_OUT,
- NULL, widget, "menu",
+ NULL, widget, "menu_scroll_arrow_up",
GTK_ARROW_UP,
TRUE,
- width / 2 - MENU_SCROLL_ARROW_HEIGHT / 2 + 1,
- 2 * border_y + 1,
- MENU_SCROLL_ARROW_HEIGHT - 2 * border_y - 2,
- MENU_SCROLL_ARROW_HEIGHT - 2 * border_y - 2);
+ (width - arrow_size ) / 2,
+ border_y + widget->style->ythickness + (arrow_space - arrow_size)/2,
+ arrow_size, arrow_size);
}
if (menu->lower_arrow_visible && !menu->tearoff_active)
GTK_SHADOW_OUT,
NULL, widget, "menu",
border_x,
- height - border_y - MENU_SCROLL_ARROW_HEIGHT + 1,
+ height - border_y - MENU_SCROLL_ARROW_HEIGHT,
width - 2*border_x,
MENU_SCROLL_ARROW_HEIGHT);
menu->lower_arrow_prelight ?
GTK_STATE_PRELIGHT : GTK_STATE_NORMAL,
GTK_SHADOW_OUT,
- NULL, widget, "menu",
+ NULL, widget, "menu_scroll_arrow_down",
GTK_ARROW_DOWN,
TRUE,
- width / 2 - MENU_SCROLL_ARROW_HEIGHT / 2 + 1,
- height - MENU_SCROLL_ARROW_HEIGHT + 1,
- MENU_SCROLL_ARROW_HEIGHT - 2 * border_y - 2,
- MENU_SCROLL_ARROW_HEIGHT - 2 * border_y - 2);
+ (width - arrow_size) / 2,
+ height - border_y - MENU_SCROLL_ARROW_HEIGHT +
+ widget->style->ythickness + (arrow_space - arrow_size)/2,
+ arrow_size, arrow_size);
}
}
}
GTK_WIDGET_CLASS (parent_class)->show (widget);
}
+static gboolean
+gtk_menu_button_press (GtkWidget *widget,
+ GdkEventButton *event)
+{
+ /* Don't pop down the menu for releases over scroll arrows
+ */
+ if (GTK_IS_MENU (widget))
+ {
+ GtkMenu *menu = GTK_MENU (widget);
+
+ if (menu->upper_arrow_prelight || menu->lower_arrow_prelight)
+ return TRUE;
+ }
+
+ return GTK_WIDGET_CLASS (parent_class)->button_press_event (widget, event);
+}
+
+static gboolean
+gtk_menu_button_release (GtkWidget *widget,
+ GdkEventButton *event)
+{
+ /* Don't pop down the menu for releases over scroll arrows
+ */
+ if (GTK_IS_MENU (widget))
+ {
+ GtkMenu *menu = GTK_MENU (widget);
+
+ if (menu->upper_arrow_prelight || menu->lower_arrow_prelight)
+ return TRUE;
+ }
+
+ return GTK_WIDGET_CLASS (parent_class)->button_release_event (widget, event);
+}
+
+static const gchar *
+get_accel_path (GtkWidget *menu_item,
+ gboolean *locked)
+{
+ const gchar *path;
+ GtkWidget *label;
+ GClosure *accel_closure;
+ GtkAccelGroup *accel_group;
+
+ path = _gtk_widget_get_accel_path (menu_item, locked);
+ if (!path)
+ {
+ path = GTK_MENU_ITEM (menu_item)->accel_path;
+
+ if (locked)
+ {
+ *locked = TRUE;
+
+ label = GTK_BIN (menu_item)->child;
+
+ if (GTK_IS_ACCEL_LABEL (label))
+ {
+ g_object_get (label,
+ "accel_closure", &accel_closure,
+ NULL);
+ accel_group = gtk_accel_group_from_accel_closure (accel_closure);
+
+ *locked = accel_group->lock_count > 0;
+ }
+ }
+ }
+
+ return path;
+}
+
static gboolean
gtk_menu_key_press (GtkWidget *widget,
GdkEventKey *event)
display = gtk_widget_get_display (widget);
- g_object_get (G_OBJECT (gtk_widget_get_settings (widget)),
+ g_object_get (gtk_widget_get_settings (widget),
"gtk-menu-bar-accel", &accel,
"gtk-can-change-accels", &can_change_accels,
NULL);
*/
if (event->keyval == keyval &&
(mods & event->state) == mods)
- {
- g_signal_emit_by_name (menu, "cancel", 0);
- }
+ gtk_menu_shell_cancel (menu_shell);
g_free (accel);
/* Modify the accelerators */
if (can_change_accels &&
menu_shell->active_menu_item &&
- GTK_BIN (menu_shell->active_menu_item)->child && /* no seperators */
+ GTK_BIN (menu_shell->active_menu_item)->child && /* no separators */
GTK_MENU_ITEM (menu_shell->active_menu_item)->submenu == NULL && /* no submenus */
(delete || gtk_accelerator_valid (accel_key, accel_mods)))
{
gboolean locked, replace_accels = TRUE;
const gchar *path;
- path = _gtk_widget_get_accel_path (menu_item, &locked);
+ path = get_accel_path (menu_item, &locked);
if (!path || locked)
{
/* can't change accelerators on menu_items without paths
if (GTK_IS_MENU (widget))
gtk_menu_handle_scrolling (GTK_MENU (widget), TRUE);
-
+
/* We received the event for one of two reasons:
*
* a) We are the active menu, and did gtk_grab_add()
*/
menu_item = gtk_get_event_widget ((GdkEvent*) event);
if (!menu_item || !GTK_IS_MENU_ITEM (menu_item) ||
- !_gtk_menu_item_is_selectable (menu_item) ||
!GTK_IS_MENU (menu_item->parent))
return FALSE;
if (gtk_menu_navigating_submenu (menu, event->x_root, event->y_root))
return TRUE;
+ /* Make sure we pop down if we enter a non-selectable menu item, so we
+ * don't show a submenu when the cursor is outside the stay-up triangle.
+ */
+ if (!_gtk_menu_item_is_selectable (menu_item))
+ {
+ gtk_menu_shell_deselect (menu_shell);
+ return FALSE;
+ }
+
if (need_enter)
{
/* The menu is now sensitive to enter events on its items, but
GdkRectangle rect;
gboolean in_arrow;
gboolean scroll_fast = FALSE;
+ guint vertical_padding;
menu_shell = GTK_MENU_SHELL (menu);
gdk_window_get_pointer (GTK_WIDGET (menu)->window, &x, &y, NULL);
gdk_drawable_get_size (GTK_WIDGET (menu)->window, &width, &height);
- border = GTK_CONTAINER (menu)->border_width + GTK_WIDGET (menu)->style->ythickness;
+ gtk_widget_style_get (GTK_WIDGET (menu),
+ "vertical-padding", &vertical_padding,
+ NULL);
+
+ border = GTK_CONTAINER (menu)->border_width +
+ GTK_WIDGET (menu)->style->ythickness + vertical_padding;
if (menu->upper_arrow_visible && !menu->tearoff_active)
{
/* Deselect the active item so that any submenus are poped down */
gtk_menu_shell_deselect (menu_shell);
- gtk_menu_stop_scrolling (menu);
- menu->scroll_step = -MENU_SCROLL_STEP;
+ gtk_menu_remove_scroll_timeout (menu);
+ menu->scroll_step = (scroll_fast) ? -MENU_SCROLL_STEP2 : -MENU_SCROLL_STEP1;
menu->timeout_id = g_timeout_add ((scroll_fast) ? MENU_SCROLL_TIMEOUT2 : MENU_SCROLL_TIMEOUT1,
gtk_menu_scroll_timeout,
menu);
}
else if (!enter && !in_arrow && menu->upper_arrow_prelight)
{
- menu->upper_arrow_prelight = FALSE;
gdk_window_invalidate_rect (GTK_WIDGET (menu)->window, &rect, FALSE);
gtk_menu_stop_scrolling (menu);
/* Deselect the active item so that any submenus are poped down */
gtk_menu_shell_deselect (menu_shell);
- gtk_menu_stop_scrolling (menu);
- menu->scroll_step = MENU_SCROLL_STEP;
+ gtk_menu_remove_scroll_timeout (menu);
+ menu->scroll_step = (scroll_fast) ? MENU_SCROLL_STEP2 : MENU_SCROLL_STEP1;
menu->timeout_id = g_timeout_add ((scroll_fast) ? MENU_SCROLL_TIMEOUT2 : MENU_SCROLL_TIMEOUT1,
gtk_menu_scroll_timeout,
menu);
}
else if (!enter && !in_arrow && menu->lower_arrow_prelight)
{
- menu->lower_arrow_prelight = FALSE;
gdk_window_invalidate_rect (GTK_WIDGET (menu)->window, &rect, FALSE);
gtk_menu_stop_scrolling (menu);
GtkWidget *menu_item;
if (widget && GTK_IS_MENU (widget))
- gtk_menu_handle_scrolling (GTK_MENU (widget), TRUE);
-
+ {
+ GtkMenuShell *menu_shell = GTK_MENU_SHELL (widget);
+
+ if (!menu_shell->ignore_enter)
+ gtk_menu_handle_scrolling (GTK_MENU (widget), TRUE);
+ }
+
/* If this is a faked enter (see gtk_menu_motion_notify), 'widget'
* will not correspond to the event widget's parent. Check to see
* if we are in the parent's navigation region.
gtk_menu_set_submenu_navigation_region (menu, menu_item, event);
return TRUE;
}
+ else if (menu_item == GTK_MENU_ITEM (menu_shell->active_menu_item))
+ {
+ /* We are leaving an active menu item with nonactive submenu.
+ * Deselect it so we don't surprise the user with by popping
+ * up a submenu _after_ he left the item.
+ */
+ gtk_menu_shell_deselect (menu_shell);
+ return TRUE;
+ }
}
return GTK_WIDGET_CLASS (parent_class)->leave_notify_event (widget, event);
if (menu->navigation_timeout)
{
- gtk_timeout_remove (menu->navigation_timeout);
+ g_source_remove (menu->navigation_timeout);
menu->navigation_timeout = 0;
}
}
return FALSE;
}
+#undef DRAW_STAY_UP_TRIANGLE
+
+#ifdef DRAW_STAY_UP_TRIANGLE
+
+static void
+draw_stay_up_triangle (GdkWindow *window,
+ GdkRegion *region)
+{
+ /* Draw ugly color all over the stay-up triangle */
+ GdkColor ugly_color = { 0, 50000, 10000, 10000 };
+ GdkGCValues gc_values;
+ GdkGC *ugly_gc;
+ GdkRectangle clipbox;
+
+ gc_values.subwindow_mode = GDK_INCLUDE_INFERIORS;
+ ugly_gc = gdk_gc_new_with_values (window, &gc_values, 0 | GDK_GC_SUBWINDOW);
+ gdk_gc_set_rgb_fg_color (ugly_gc, &ugly_color);
+ gdk_gc_set_clip_region (ugly_gc, region);
+
+ gdk_region_get_clipbox (region, &clipbox);
+
+ gdk_draw_rectangle (window,
+ ugly_gc,
+ TRUE,
+ clipbox.x, clipbox.y,
+ clipbox.width, clipbox.height);
+
+ g_object_unref (ugly_gc);
+}
+#endif
+
+static GdkRegion *
+flip_region (GdkRegion *region,
+ gboolean flip_x,
+ gboolean flip_y)
+{
+ gint n_rectangles;
+ GdkRectangle *rectangles;
+ GdkRectangle clipbox;
+ GdkRegion *new_region;
+ gint i;
+
+ new_region = gdk_region_new ();
+
+ gdk_region_get_rectangles (region, &rectangles, &n_rectangles);
+ gdk_region_get_clipbox (region, &clipbox);
+
+ for (i = 0; i < n_rectangles; ++i)
+ {
+ GdkRectangle rect = rectangles[i];
+
+ if (flip_y)
+ rect.y -= 2 * (rect.y - clipbox.y) + rect.height;
+
+ if (flip_x)
+ rect.x -= 2 * (rect.x - clipbox.x) + rect.width;
+
+ gdk_region_union_with_rect (new_region, &rect);
+ }
+
+ g_free (rectangles);
+
+ return new_region;
+}
+
static void
gtk_menu_set_submenu_navigation_region (GtkMenu *menu,
GtkMenuItem *menu_item,
gdk_window_get_origin (menu_item->submenu->window, &submenu_left, &submenu_top);
gdk_drawable_get_size (menu_item->submenu->window, &width, &height);
+
submenu_right = submenu_left + width;
submenu_bottom = submenu_top + height;
if (event->x >= 0 && event->x < width)
{
- /* Set navigation region */
- /* We fudge/give a little padding in case the user
- * ``misses the vertex'' of the triangle/is off by a pixel or two.
- */
- if (menu_item->submenu_direction == GTK_DIRECTION_RIGHT)
- point[0].x = event->x_root - SUBMENU_NAV_REGION_PADDING;
- else
- point[0].x = event->x_root + SUBMENU_NAV_REGION_PADDING;
+ gint popdown_delay;
+ gboolean flip_y = FALSE;
+ gboolean flip_x = FALSE;
- /* Exiting the top or bottom? */
+ gtk_menu_stop_navigating_submenu (menu);
+
+ if (menu_item->submenu_direction == GTK_DIRECTION_RIGHT)
+ {
+ /* right */
+ point[0].x = event->x_root;
+ point[1].x = submenu_left;
+ }
+ else
+ {
+ /* left */
+ point[0].x = event->x_root + 1;
+ point[1].x = 2 * (event->x_root + 1) - submenu_right;
+
+ flip_x = TRUE;
+ }
+
if (event->y < 0)
- { /* top */
+ {
+ /* top */
point[0].y = event->y_root + 1;
- point[1].y = submenu_top;
+ point[1].y = 2 * (event->y_root + 1) - submenu_top + NAVIGATION_REGION_OVERSHOOT;
- if (point[0].y <= point[1].y)
+ if (point[0].y >= point[1].y - NAVIGATION_REGION_OVERSHOOT)
return;
+
+ flip_y = TRUE;
}
else
- { /* bottom */
+ {
+ /* bottom */
point[0].y = event->y_root;
- point[1].y = submenu_bottom;
+ point[1].y = submenu_bottom + NAVIGATION_REGION_OVERSHOOT;
- if (point[0].y >= point[1].y)
+ if (point[0].y >= submenu_bottom)
return;
}
-
- /* Submenu is to the left or right? */
- if (menu_item->submenu_direction == GTK_DIRECTION_RIGHT)
- point[1].x = submenu_left; /* right */
- else
- point[1].x = submenu_right; /* left */
-
+
point[2].x = point[1].x;
point[2].y = point[0].y;
- gtk_menu_stop_navigating_submenu (menu);
-
menu->navigation_region = gdk_region_polygon (point, 3, GDK_WINDING_RULE);
- menu->navigation_timeout = gtk_timeout_add (SUBMENU_NAV_HYSTERESIS_TIMEOUT,
- gtk_menu_stop_navigating_submenu_cb, menu);
+ if (flip_x || flip_y)
+ {
+ GdkRegion *new_region = flip_region (menu->navigation_region, flip_x, flip_y);
+ gdk_region_destroy (menu->navigation_region);
+ menu->navigation_region = new_region;
+ }
+
+ g_object_get (gtk_widget_get_settings (GTK_WIDGET (menu)),
+ "gtk-menu-popdown-delay", &popdown_delay,
+ NULL);
+
+ menu->navigation_timeout = g_timeout_add (popdown_delay,
+ gtk_menu_stop_navigating_submenu_cb, menu);
+
+#ifdef DRAW_STAY_UP_TRIANGLE
+ draw_stay_up_triangle (gdk_get_default_root_window(),
+ menu->navigation_region);
+#endif
}
}
gint menu_height;
gboolean push_in;
GdkScreen *screen;
+ GdkScreen *pointer_screen;
GdkRectangle monitor;
- gint monitor_num;
g_return_if_fail (GTK_IS_MENU (menu));
widget = GTK_WIDGET (menu);
- gdk_window_get_pointer (gtk_widget_get_root_window (widget),
- &x, &y, NULL);
-
screen = gtk_widget_get_screen (widget);
- monitor_num = gdk_screen_get_monitor_at_point (screen, x, y);
- gdk_screen_get_monitor_geometry (screen, monitor_num, &monitor);
+ gdk_display_get_pointer (gdk_screen_get_display (screen),
+ &pointer_screen, &x, &y, NULL);
/* We need the requisition to figure out the right place to
* popup the menu. In fact, we always need to ask here, since
*/
gtk_widget_size_request (widget, &requisition);
+ if (pointer_screen != screen)
+ {
+ /* Pointer is on a different screen; roughly center the
+ * menu on the screen. If someone was using multiscreen
+ * + Xinerama together they'd probably want something
+ * fancier; but that is likely to be vanishingly rare.
+ */
+ x = MAX (0, (gdk_screen_get_width (screen) - requisition.width) / 2);
+ y = MAX (0, (gdk_screen_get_height (screen) - requisition.height) / 2);
+ }
+
+ private = gtk_menu_get_private (menu);
+ private->monitor_num = gdk_screen_get_monitor_at_point (screen, x, y);
+
push_in = FALSE;
if (menu->position_func)
- (* menu->position_func) (menu, &x, &y, &push_in, menu->position_func_data);
+ {
+ (* menu->position_func) (menu, &x, &y, &push_in, menu->position_func_data);
+ gdk_screen_get_monitor_geometry (screen, private->monitor_num, &monitor);
+ }
else
{
- x = CLAMP (x - 2, monitor.x, MAX (monitor.x, monitor.x + monitor.width - requisition.width));
- y = CLAMP (y - 2, monitor.y, MAX (monitor.y, monitor.y + monitor.height - requisition.height));
+ gint space_left, space_right, space_above, space_below;
+ gint needed_width;
+ gint needed_height;
+ gint xthickness = widget->style->xthickness;
+ gint ythickness = widget->style->ythickness;
+ gboolean rtl = (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL);
+
+ /* The placement of popup menus horizontally works like this (with
+ * RTL in parentheses)
+ *
+ * - If there is enough room to the right (left) of the mouse cursor,
+ * position the menu there.
+ *
+ * - Otherwise, if if there is enough room to the left (right) of the
+ * mouse cursor, position the menu there.
+ *
+ * - Otherwise if the menu is smaller than the monitor, position it
+ * on the side of the mouse cursor that has the most space available
+ *
+ * - Otherwise (if there is simply not enough room for the menu on the
+ * monitor), position it as far left (right) as possible.
+ *
+ * Positioning in the vertical direction is similar: first try below
+ * mouse cursor, then above.
+ */
+ gdk_screen_get_monitor_geometry (screen, private->monitor_num, &monitor);
+
+ space_left = x - monitor.x;
+ space_right = monitor.x + monitor.width - x - 1;
+ space_above = y - monitor.y;
+ space_below = monitor.y + monitor.height - y - 1;
+
+ /* position horizontally */
+
+ /* the amount of space we need to position the menu. Note the
+ * menu is offset "xthickness" pixels
+ */
+ needed_width = requisition.width - xthickness;
+
+ if (needed_width <= space_left ||
+ needed_width <= space_right)
+ {
+ if ((rtl && needed_width <= space_left) ||
+ (!rtl && needed_width > space_right))
+ {
+ /* position left */
+ x = x + xthickness - requisition.width + 1;
+ }
+ else
+ {
+ /* position right */
+ x = x - xthickness;
+ }
+
+ /* x is clamped on-screen further down */
+ }
+ else if (requisition.width <= monitor.width)
+ {
+ /* the menu is too big to fit on either side of the mouse
+ * cursor, but smaller than the monitor. Position it on
+ * the side that has the most space
+ */
+ if (space_left > space_right)
+ {
+ /* left justify */
+ x = monitor.x;
+ }
+ else
+ {
+ /* right justify */
+ x = monitor.x + monitor.width - requisition.width;
+ }
+ }
+ else /* menu is simply too big for the monitor */
+ {
+ if (rtl)
+ {
+ /* right justify */
+ x = monitor.x + monitor.width - requisition.width;
+ }
+ else
+ {
+ /* left justify */
+ x = monitor.x;
+ }
+ }
+
+ /* Position vertically. The algorithm is the same as above, but
+ * simpler because we don't have to take RTL into account.
+ */
+ needed_height = requisition.height - ythickness;
+
+ if (needed_height <= space_above ||
+ needed_height <= space_below)
+ {
+ if (needed_height <= space_below)
+ y = y - ythickness;
+ else
+ y = y + ythickness - requisition.height + 1;
+
+ y = CLAMP (y, monitor.y,
+ monitor.y + monitor.height - requisition.height);
+ }
+ else if (needed_height > space_below && needed_height > space_above)
+ {
+ if (space_below >= space_above)
+ y = monitor.y + monitor.height - requisition.height;
+ else
+ y = monitor.y;
+ }
+ else
+ {
+ y = monitor.y;
+ }
}
scroll_offset = 0;
if (y < monitor.y)
{
- scroll_offset -= y;
+ scroll_offset += monitor.y - y;
y = monitor.y;
}
}
/* FIXME: should this be done in the various position_funcs ? */
x = CLAMP (x, monitor.x, MAX (monitor.x, monitor.x + monitor.width - requisition.width));
+ if (GTK_MENU_SHELL (menu)->active)
+ {
+ private->have_position = TRUE;
+ private->x = x;
+ private->y = y;
+ }
+
if (y + requisition.height > monitor.y + monitor.height)
requisition.height = (monitor.y + monitor.height) - y;
if (y < monitor.y)
{
- scroll_offset -= y;
- requisition.height -= -y;
+ scroll_offset += monitor.y - y;
+ requisition.height -= monitor.y - y;
y = monitor.y;
}
gtk_window_move (GTK_WINDOW (GTK_MENU_SHELL (menu)->active ? menu->toplevel : menu->tearoff_window),
x, y);
- if (GTK_MENU_SHELL (menu)->active)
- {
- private = gtk_menu_get_private (menu);
- private->have_position = TRUE;
- private->x = x;
- private->y = y;
-
- gtk_widget_queue_resize (menu->toplevel);
- }
- else
+ if (!GTK_MENU_SHELL (menu)->active)
{
gtk_window_resize (GTK_WINDOW (menu->tearoff_window),
requisition.width, requisition.height);
}
static void
-gtk_menu_stop_scrolling (GtkMenu *menu)
+gtk_menu_remove_scroll_timeout (GtkMenu *menu)
{
if (menu->timeout_id)
{
}
}
+static void
+gtk_menu_stop_scrolling (GtkMenu *menu)
+{
+ gtk_menu_remove_scroll_timeout (menu);
+
+ menu->upper_arrow_prelight = FALSE;
+ menu->lower_arrow_prelight = FALSE;
+}
static void
gtk_menu_scroll_to (GtkMenu *menu,
gint border_width;
gboolean last_visible;
gint menu_height;
+ guint vertical_padding;
widget = GTK_WIDGET (menu);
menu->tearoff_adjustment &&
(menu->tearoff_adjustment->value != offset))
{
- menu->tearoff_adjustment->value = offset;
+ menu->tearoff_adjustment->value =
+ CLAMP (offset,
+ 0, menu->tearoff_adjustment->upper - menu->tearoff_adjustment->page_size);
gtk_adjustment_value_changed (menu->tearoff_adjustment);
}
view_width = widget->allocation.width;
view_height = widget->allocation.height;
+ gtk_widget_style_get (GTK_WIDGET (menu),
+ "vertical-padding", &vertical_padding,
+ NULL);
+
border_width = GTK_CONTAINER (menu)->border_width;
view_width -= (border_width + widget->style->xthickness) * 2;
- view_height -= (border_width + widget->style->ythickness) * 2;
- menu_height = widget->requisition.height - (border_width + widget->style->ythickness) * 2;
-
- offset = CLAMP (offset, 0, menu_height - view_height);
-
- /* Scroll the menu: */
- if (GTK_WIDGET_REALIZED (menu))
- gdk_window_move (menu->bin_window, 0, -offset);
+ view_height -= (border_width + widget->style->ythickness + vertical_padding) * 2;
+ menu_height = widget->requisition.height -
+ (border_width + widget->style->ythickness + vertical_padding) * 2;
x = border_width + widget->style->xthickness;
- y = border_width + widget->style->ythickness;
-
+ y = border_width + widget->style->ythickness + vertical_padding;
+
if (!menu->tearoff_active)
{
last_visible = menu->upper_arrow_visible;
- menu->upper_arrow_visible = (offset > 0);
+ menu->upper_arrow_visible = offset > 0;
if (menu->upper_arrow_visible)
view_height -= MENU_SCROLL_ARROW_HEIGHT;
/* If we hid the upper arrow, possibly remove timeout */
if (menu->scroll_step < 0)
- gtk_menu_stop_scrolling (menu);
+ {
+ gtk_menu_stop_scrolling (menu);
+ gtk_widget_queue_draw (GTK_WIDGET (menu));
+ }
}
-
+
last_visible = menu->lower_arrow_visible;
- menu->lower_arrow_visible = (view_height + offset < menu_height);
+ menu->lower_arrow_visible = offset < menu_height - view_height;
if (menu->lower_arrow_visible)
view_height -= MENU_SCROLL_ARROW_HEIGHT;
/* If we hid the lower arrow, possibly remove timeout */
if (menu->scroll_step > 0)
- gtk_menu_stop_scrolling (menu);
+ {
+ gtk_menu_stop_scrolling (menu);
+ gtk_widget_queue_draw (GTK_WIDGET (menu));
+ }
}
if (menu->upper_arrow_visible)
y += MENU_SCROLL_ARROW_HEIGHT;
}
+ /* Scroll the menu: */
+ if (GTK_WIDGET_REALIZED (menu))
+ gdk_window_move (menu->bin_window, 0, -offset);
+
if (GTK_WIDGET_REALIZED (menu))
gdk_window_move_resize (menu->view_window,
x,
menu->scroll_offset = offset;
}
+static gboolean
+compute_child_offset (GtkMenu *menu,
+ GtkWidget *menu_item,
+ gint *offset,
+ gint *height,
+ gboolean *is_last_child)
+{
+ GtkMenuPrivate *priv = gtk_menu_get_private (menu);
+ guint item_top_attach;
+ guint item_bottom_attach;
+ gint child_offset = 0;
+ gint i;
+
+ gtk_container_child_get (GTK_CONTAINER (menu), menu_item,
+ "top_attach", &item_top_attach,
+ "bottom_attach", &item_bottom_attach,
+ NULL);
+
+ /* there is a possibility that we get called before _size_request, so
+ * check the height table for safety.
+ */
+ if (!priv->heights || priv->heights_length < priv->rows)
+ return FALSE;
+
+ /* when we have a row with only invisible children, it's height will
+ * be zero, so there's no need to check WIDGET_VISIBLE here
+ */
+ for (i = 0; i < item_top_attach; i++)
+ child_offset += priv->heights[i];
+
+ if (is_last_child)
+ *is_last_child = (item_bottom_attach == priv->rows);
+ if (offset)
+ *offset = child_offset;
+ if (height)
+ *height = priv->heights[item_top_attach];
+
+ return TRUE;
+}
+
static void
gtk_menu_scroll_item_visible (GtkMenuShell *menu_shell,
GtkWidget *menu_item)
{
GtkMenu *menu;
- GtkWidget *child;
- GList *children;
- GtkRequisition child_requisition;
gint child_offset, child_height;
gint width, height;
gint y;
* visible.
*/
- child = NULL;
- child_offset = 0;
- child_height = 0;
- children = menu_shell->children;
- while (children)
+ if (compute_child_offset (menu, menu_item,
+ &child_offset, &child_height, &last_child))
{
- child = children->data;
- children = children->next;
-
- if (GTK_WIDGET_VISIBLE (child))
- {
- gtk_widget_size_request (child, &child_requisition);
- child_offset += child_height;
- child_height = child_requisition.height;
- }
+ guint vertical_padding;
- if (child == menu_item)
- {
- last_child = (children == NULL);
- break;
- }
- }
-
- if (child == menu_item)
- {
y = menu->scroll_offset;
gdk_drawable_get_size (GTK_WIDGET (menu)->window, &width, &height);
- height -= 2*GTK_CONTAINER (menu)->border_width + 2*GTK_WIDGET (menu)->style->ythickness;
+ gtk_widget_style_get (GTK_WIDGET (menu),
+ "vertical-padding", &vertical_padding,
+ NULL);
+
+ height -= 2*GTK_CONTAINER (menu)->border_width + 2*GTK_WIDGET (menu)->style->ythickness + 2*vertical_padding;
- if (child_offset + child_height <= y)
+ if (child_offset < y)
{
/* Ignore the enter event we might get if the pointer is on the menu
*/
if (menu->lower_arrow_visible && !menu->tearoff_active)
arrow_height += MENU_SCROLL_ARROW_HEIGHT;
- if (child_offset >= y + height - arrow_height)
+ if (child_offset + child_height > y + height - arrow_height)
{
arrow_height = 0;
if (!last_child && !menu->tearoff_active)
static void
gtk_menu_show_all (GtkWidget *widget)
{
- g_return_if_fail (GTK_IS_MENU (widget));
-
/* Show children, but not self. */
gtk_container_foreach (GTK_CONTAINER (widget), (GtkCallback) gtk_widget_show_all, NULL);
}
static void
gtk_menu_hide_all (GtkWidget *widget)
{
- g_return_if_fail (GTK_IS_MENU (widget));
-
/* Hide children, but not self. */
gtk_container_foreach (GTK_CONTAINER (widget), (GtkCallback) gtk_widget_hide_all, NULL);
}
/**
* gtk_menu_set_screen:
* @menu: a #GtkMenu.
- * @screen: a #GtkScreen.
+ * @screen: a #GdkScreen, or %NULL if the screen should be
+ * determined by the widget the menu is attached to.
*
- * Sets the #GtkScreen on which the GtkMenu will be displayed.
- * This function can only be called before @menu is realized.
+ * Sets the #GdkScreen on which the menu will be displayed.
+ *
+ * Since: 2.2
**/
void
-gtk_menu_set_screen (GtkMenu *menu,
+gtk_menu_set_screen (GtkMenu *menu,
GdkScreen *screen)
{
g_return_if_fail (GTK_IS_MENU (menu));
- gtk_window_set_screen (GTK_WINDOW (menu->toplevel),
- screen);
+ g_return_if_fail (!screen || GDK_IS_SCREEN (screen));
+
g_object_set_data (G_OBJECT (menu), "gtk-menu-explicit-screen", screen);
+
+ if (screen)
+ {
+ menu_change_screen (menu, screen);
+ }
+ else
+ {
+ GtkWidget *attach_widget = gtk_menu_get_attach_widget (menu);
+ if (attach_widget)
+ attach_widget_screen_changed (attach_widget, NULL, menu);
+ }
+}
+
+/**
+ * gtk_menu_attach:
+ * @menu: a #GtkMenu.
+ * @child: a #GtkMenuItem.
+ * @left_attach: The column number to attach the left side of the item to.
+ * @right_attach: The column number to attach the right side of the item to.
+ * @top_attach: The row number to attach the top of the item to.
+ * @bottom_attach: The row number to attach the bottom of the item to.
+ *
+ * Adds a new #GtkMenuItem to a (table) menu. The number of 'cells' that
+ * an item will occupy is specified by @left_attach, @right_attach,
+ * @top_attach and @bottom_attach. These each represent the leftmost,
+ * rightmost, uppermost and lower column and row numbers of the table.
+ * (Columns and rows are indexed from zero).
+ *
+ * Note that this function is not related to gtk_menu_detach().
+ *
+ * Since: 2.4
+ **/
+void
+gtk_menu_attach (GtkMenu *menu,
+ GtkWidget *child,
+ guint left_attach,
+ guint right_attach,
+ guint top_attach,
+ guint bottom_attach)
+{
+ g_return_if_fail (GTK_IS_MENU (menu));
+ g_return_if_fail (GTK_IS_MENU_ITEM (child));
+ g_return_if_fail (child->parent == NULL ||
+ child->parent == GTK_WIDGET (menu));
+ g_return_if_fail (left_attach < right_attach);
+ g_return_if_fail (top_attach < bottom_attach);
+
+ if (!child->parent)
+ {
+ GTK_MENU_SHELL (menu)->children =
+ g_list_append (GTK_MENU_SHELL (menu)->children, child);
+
+ gtk_widget_set_parent (child, GTK_WIDGET (menu));
+ }
+
+ gtk_container_child_set (GTK_CONTAINER (menu), child,
+ "left_attach", left_attach,
+ "right_attach", right_attach,
+ "top_attach", top_attach,
+ "bottom_attach", bottom_attach,
+ NULL);
+}
+
+static gint
+gtk_menu_get_popup_delay (GtkMenuShell *menu_shell)
+{
+ gint popup_delay;
+
+ g_object_get (gtk_widget_get_settings (GTK_WIDGET (menu_shell)),
+ "gtk-menu-popup-delay", &popup_delay,
+ NULL);
+
+ return popup_delay;
+}
+
+static GtkWidget *
+find_child_containing (GtkMenuShell *menu_shell,
+ int left,
+ int right,
+ int top,
+ int bottom)
+{
+ GList *list;
+
+ /* find a child which includes the area given by
+ * left, right, top, bottom.
+ */
+
+ for (list = menu_shell->children; list; list = list->next)
+ {
+ guint l, r, t, b;
+
+ if (!_gtk_menu_item_is_selectable (list->data))
+ continue;
+
+ get_child_attach (list->data, &l, &r, &t, &b);
+
+ if (l <= left && right <= r
+ && t <= top && bottom <= b)
+ return GTK_WIDGET (list->data);
+ }
+
+ return NULL;
+}
+
+static void
+gtk_menu_move_current (GtkMenuShell *menu_shell,
+ GtkMenuDirectionType direction)
+{
+ GtkMenuPrivate *priv = gtk_menu_get_private (GTK_MENU (menu_shell));
+
+ /* use special table menu key bindings */
+ if (menu_shell->active_menu_item && priv->columns > 1)
+ {
+ int i;
+ guint l, r, t, b;
+ gboolean rtl = (gtk_widget_get_direction (GTK_WIDGET (menu_shell)) == GTK_TEXT_DIR_RTL);
+ GtkWidget *match = NULL;
+
+ get_child_attach (menu_shell->active_menu_item, &l, &r, &t, &b);
+
+ if (direction == GTK_MENU_DIR_NEXT)
+ {
+ for (i = b; i < priv->rows; i++)
+ {
+ match = find_child_containing (menu_shell, l, l + 1, i, i + 1);
+ if (match)
+ break;
+ }
+
+ if (!match)
+ {
+ /* wrap around */
+ for (i = 0; i < t; i++)
+ {
+ match = find_child_containing (menu_shell,
+ l, l + 1, i, i + 1);
+ if (match)
+ break;
+ }
+ }
+ }
+ else if (direction == GTK_MENU_DIR_PREV)
+ {
+ for (i = t; i > 0; i--)
+ {
+ match = find_child_containing (menu_shell, l, l + 1, i - 1, i);
+ if (match)
+ break;
+ }
+
+ if (!match)
+ {
+ /* wrap around */
+ for (i = priv->rows; i > b; i--)
+ {
+ match = find_child_containing (menu_shell,
+ l, l + 1, i - 1, i);
+ if (match)
+ break;
+ }
+ }
+ }
+ else if ((!rtl && direction == GTK_MENU_DIR_PARENT)
+ || (rtl && direction == GTK_MENU_DIR_CHILD))
+ {
+ /* we go one left if possible */
+ if (l > 0)
+ match = find_child_containing (menu_shell, l - 1, l, t, t + 1);
+
+ if (!match)
+ {
+ GtkWidget *parent = menu_shell->parent_menu_shell;
+
+ if (!parent
+ || g_list_length (GTK_MENU_SHELL (parent)->children) <= 1)
+ match = menu_shell->active_menu_item;
+ }
+ }
+ else if ((!rtl && direction == GTK_MENU_DIR_CHILD)
+ || (rtl && direction == GTK_MENU_DIR_PARENT))
+ {
+ /* we go one right if possible */
+ if (r < priv->columns)
+ match = find_child_containing (menu_shell, r, r + 1, t, t + 1);
+
+ if (!match)
+ {
+ GtkWidget *parent = menu_shell->parent_menu_shell;
+
+ if (! GTK_MENU_ITEM (menu_shell->active_menu_item)->submenu &&
+ (!parent ||
+ g_list_length (GTK_MENU_SHELL (parent)->children) <= 1))
+ match = menu_shell->active_menu_item;
+ }
+ }
+
+ if (match)
+ {
+ gtk_menu_shell_select_item (menu_shell, match);
+ return;
+ }
+ }
+
+ GTK_MENU_SHELL_CLASS (parent_class)->move_current (menu_shell, direction);
+}
+
+static gint
+get_visible_size (GtkMenu *menu)
+{
+ GtkWidget *widget = GTK_WIDGET (menu);
+ GtkContainer *container = GTK_CONTAINER (menu);
+
+ gint menu_height = (widget->allocation.height
+ - 2 * (container->border_width
+ + widget->style->ythickness));
+
+ if (menu->upper_arrow_visible && !menu->tearoff_active)
+ menu_height -= MENU_SCROLL_ARROW_HEIGHT;
+ if (menu->lower_arrow_visible && !menu->tearoff_active)
+ menu_height -= MENU_SCROLL_ARROW_HEIGHT;
+
+ return menu_height;
}
+/* Find the sensitive on-screen child containing @y, or if none,
+ * the nearest selectable onscreen child. (%NULL if none)
+ */
+static GtkWidget *
+child_at (GtkMenu *menu,
+ gint y)
+{
+ GtkMenuShell *menu_shell = GTK_MENU_SHELL (menu);
+ GtkWidget *child = NULL;
+ gint child_offset = 0;
+ GList *children;
+ gint menu_height;
+ gint lower, upper; /* Onscreen bounds */
+
+ menu_height = get_visible_size (menu);
+ lower = menu->scroll_offset;
+ upper = menu->scroll_offset + menu_height;
+
+ for (children = menu_shell->children; children; children = children->next)
+ {
+ if (GTK_WIDGET_VISIBLE (children->data))
+ {
+ GtkRequisition child_requisition;
+
+ gtk_widget_size_request (children->data, &child_requisition);
+
+ if (_gtk_menu_item_is_selectable (children->data) &&
+ child_offset >= lower &&
+ child_offset + child_requisition.height <= upper)
+ {
+ child = children->data;
+
+ if (child_offset + child_requisition.height > y &&
+ !GTK_IS_TEAROFF_MENU_ITEM (child))
+ return child;
+ }
+
+ child_offset += child_requisition.height;
+ }
+ }
+
+ return child;
+}
+
+static gint
+get_menu_height (GtkMenu *menu)
+{
+ gint height;
+ GtkWidget *widget = GTK_WIDGET (menu);
+
+ height = widget->requisition.height;
+ height -= (GTK_CONTAINER (widget)->border_width + widget->style->ythickness) * 2;
+
+ if (menu->upper_arrow_visible && !menu->tearoff_active)
+ height -= MENU_SCROLL_ARROW_HEIGHT;
+
+ if (menu->lower_arrow_visible && !menu->tearoff_active)
+ height -= MENU_SCROLL_ARROW_HEIGHT;
+
+ return height;
+}
+
+static void
+gtk_menu_real_move_scroll (GtkMenu *menu,
+ GtkScrollType type)
+{
+ gint page_size = get_visible_size (menu);
+ gint end_position = get_menu_height (menu);
+ GtkMenuShell *menu_shell = GTK_MENU_SHELL (menu);
+
+ switch (type)
+ {
+ case GTK_SCROLL_PAGE_UP:
+ case GTK_SCROLL_PAGE_DOWN:
+ {
+ gint old_offset;
+ gint new_offset;
+ gint child_offset = 0;
+ gboolean old_upper_arrow_visible;
+ gint step;
+
+ if (type == GTK_SCROLL_PAGE_UP)
+ step = - page_size;
+ else
+ step = page_size;
+
+ if (menu_shell->active_menu_item)
+ {
+ gint child_height;
+
+ compute_child_offset (menu, menu_shell->active_menu_item,
+ &child_offset, &child_height, NULL);
+ child_offset += child_height / 2;
+ }
+
+ menu_shell->ignore_enter = TRUE;
+ old_upper_arrow_visible = menu->upper_arrow_visible && !menu->tearoff_active;
+ old_offset = menu->scroll_offset;
+
+ new_offset = menu->scroll_offset + step;
+ new_offset = CLAMP (new_offset, 0, end_position - page_size);
+
+ gtk_menu_scroll_to (menu, new_offset);
+
+ if (menu_shell->active_menu_item)
+ {
+ GtkWidget *new_child;
+ gboolean new_upper_arrow_visible = menu->upper_arrow_visible && !menu->tearoff_active;
+
+ if (menu->scroll_offset != old_offset)
+ step = menu->scroll_offset - old_offset;
+
+ step -= (new_upper_arrow_visible - old_upper_arrow_visible) * MENU_SCROLL_ARROW_HEIGHT;
+
+ new_child = child_at (menu, child_offset + step);
+ if (new_child)
+ gtk_menu_shell_select_item (menu_shell, new_child);
+ }
+ }
+ break;
+ case GTK_SCROLL_START:
+ /* Ignore the enter event we might get if the pointer is on the menu
+ */
+ menu_shell->ignore_enter = TRUE;
+ gtk_menu_scroll_to (menu, 0);
+ gtk_menu_shell_select_first (menu_shell, TRUE);
+ break;
+ case GTK_SCROLL_END:
+ /* Ignore the enter event we might get if the pointer is on the menu
+ */
+ menu_shell->ignore_enter = TRUE;
+ gtk_menu_scroll_to (menu, end_position - page_size);
+ _gtk_menu_shell_select_last (menu_shell, TRUE);
+ break;
+ default:
+ break;
+ }
+}
+
+
+/**
+ * gtk_menu_set_monitor:
+ * @menu: a #GtkMenu
+ * @monitor_num: the number of the monitor on which the menu should
+ * be popped up
+ *
+ * Informs GTK+ on which monitor a menu should be popped up.
+ * See gdk_screen_get_monitor_geometry().
+ *
+ * This function should be called from a #GtkMenuPositionFunc if the
+ * menu should not appear on the same monitor as the pointer. This
+ * information can't be reliably inferred from the coordinates returned
+ * by a #GtkMenuPositionFunc, since, for very long menus, these coordinates
+ * may extend beyond the monitor boundaries or even the screen boundaries.
+ *
+ * Since: 2.4
+ **/
+void gtk_menu_set_monitor (GtkMenu *menu,
+ gint monitor_num)
+{
+ GtkMenuPrivate *priv;
+ g_return_if_fail (GTK_IS_MENU (menu));
+
+ priv = gtk_menu_get_private (menu);
+
+ priv->monitor_num = monitor_num;
+}
projects / ~andy / gtk / blobdiff