/* GTK - The GIMP Toolkit * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald * GtkToolbar copyright (C) Federico Mena * * Copyright (C) 2002 Anders Carlsson * Copyright (C) 2002 James Henstridge * Copyright (C) 2003, 2004 Soeren Sandmann * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ /* * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS * file for a list of people on the GTK+ Team. See the ChangeLog * files for a list of changes. These files are distributed with * GTK+ at ftp://ftp.gtk.org/pub/gtk/. */ #include "config.h" #include #include #include #include "gtkarrow.h" #include "gtkbindings.h" #include "gtkhbox.h" #include "gtkimage.h" #include "gtklabel.h" #include "gtkmain.h" #include "gtkmarshalers.h" #include "gtkmenu.h" #include "gtkorientable.h" #include "gtkradiobutton.h" #include "gtkradiotoolbutton.h" #include "gtkseparatormenuitem.h" #include "gtkseparatortoolitem.h" #include "gtkstock.h" #include "gtktoolbar.h" #include "gtktoolshell.h" #include "gtkvbox.h" #include "gtkprivate.h" #include "gtkintl.h" typedef struct _ToolbarContent ToolbarContent; #define DEFAULT_IPADDING 0 #define DEFAULT_SPACE_SIZE 12 #define DEFAULT_SPACE_STYLE GTK_TOOLBAR_SPACE_LINE #define SPACE_LINE_DIVISION 10.0 #define SPACE_LINE_START 2.0 #define SPACE_LINE_END 8.0 #define DEFAULT_ICON_SIZE GTK_ICON_SIZE_LARGE_TOOLBAR #define DEFAULT_TOOLBAR_STYLE GTK_TOOLBAR_BOTH #define DEFAULT_ANIMATION_STATE TRUE #define MAX_HOMOGENEOUS_N_CHARS 13 /* Items that are wider than this do not participate * in the homogeneous game. In units of * pango_font_get_estimated_char_width(). */ #define SLIDE_SPEED 600.0 /* How fast the items slide, in pixels per second */ #define ACCEL_THRESHOLD 0.18 /* After how much time in seconds will items start speeding up */ /* Properties */ enum { PROP_0, PROP_ORIENTATION, PROP_TOOLBAR_STYLE, PROP_SHOW_ARROW, PROP_TOOLTIPS, PROP_ICON_SIZE, PROP_ICON_SIZE_SET }; /* Child properties */ enum { CHILD_PROP_0, CHILD_PROP_EXPAND, CHILD_PROP_HOMOGENEOUS }; /* Signals */ enum { ORIENTATION_CHANGED, STYLE_CHANGED, POPUP_CONTEXT_MENU, FOCUS_HOME_OR_END, LAST_SIGNAL }; typedef enum { NOT_ALLOCATED, NORMAL, HIDDEN, OVERFLOWN } ItemState; struct _GtkToolbarPrivate { GList * content; GtkWidget * arrow; GtkWidget * arrow_button; GtkMenu * menu; GdkWindow * event_window; GtkSettings * settings; int idle_id; GtkToolItem * highlight_tool_item; gint max_homogeneous_pixels; GTimer * timer; gulong settings_connection; guint show_arrow : 1; guint need_sync : 1; guint is_sliding : 1; guint need_rebuild : 1; /* whether the overflow menu should be regenerated */ guint animation : 1; }; static void gtk_toolbar_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec); static void gtk_toolbar_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec); static gint gtk_toolbar_expose (GtkWidget *widget, GdkEventExpose *event); static void gtk_toolbar_realize (GtkWidget *widget); static void gtk_toolbar_unrealize (GtkWidget *widget); static void gtk_toolbar_size_request (GtkWidget *widget, GtkRequisition *requisition); static void gtk_toolbar_size_allocate (GtkWidget *widget, GtkAllocation *allocation); static void gtk_toolbar_style_set (GtkWidget *widget, GtkStyle *prev_style); static gboolean gtk_toolbar_focus (GtkWidget *widget, GtkDirectionType dir); static void gtk_toolbar_move_focus (GtkWidget *widget, GtkDirectionType dir); static void gtk_toolbar_screen_changed (GtkWidget *widget, GdkScreen *previous_screen); static void gtk_toolbar_map (GtkWidget *widget); static void gtk_toolbar_unmap (GtkWidget *widget); static void gtk_toolbar_set_child_property (GtkContainer *container, GtkWidget *child, guint property_id, const GValue *value, GParamSpec *pspec); static void gtk_toolbar_get_child_property (GtkContainer *container, GtkWidget *child, guint property_id, GValue *value, GParamSpec *pspec); static void gtk_toolbar_finalize (GObject *object); static void gtk_toolbar_show_all (GtkWidget *widget); static void gtk_toolbar_hide_all (GtkWidget *widget); static void gtk_toolbar_add (GtkContainer *container, GtkWidget *widget); static void gtk_toolbar_remove (GtkContainer *container, GtkWidget *widget); static void gtk_toolbar_forall (GtkContainer *container, gboolean include_internals, GtkCallback callback, gpointer callback_data); static GType gtk_toolbar_child_type (GtkContainer *container); static void gtk_toolbar_orientation_changed (GtkToolbar *toolbar, GtkOrientation orientation); static void gtk_toolbar_real_style_changed (GtkToolbar *toolbar, GtkToolbarStyle style); static gboolean gtk_toolbar_focus_home_or_end (GtkToolbar *toolbar, gboolean focus_home); static gboolean gtk_toolbar_button_press (GtkWidget *toolbar, GdkEventButton *event); static gboolean gtk_toolbar_arrow_button_press (GtkWidget *button, GdkEventButton *event, GtkToolbar *toolbar); static void gtk_toolbar_arrow_button_clicked (GtkWidget *button, GtkToolbar *toolbar); static void gtk_toolbar_update_button_relief (GtkToolbar *toolbar); static gboolean gtk_toolbar_popup_menu (GtkWidget *toolbar); static void gtk_toolbar_reconfigured (GtkToolbar *toolbar); static GtkReliefStyle get_button_relief (GtkToolbar *toolbar); static gint get_internal_padding (GtkToolbar *toolbar); static gint get_max_child_expand (GtkToolbar *toolbar); static GtkShadowType get_shadow_type (GtkToolbar *toolbar); /* methods on ToolbarContent 'class' */ static ToolbarContent *toolbar_content_new_tool_item (GtkToolbar *toolbar, GtkToolItem *item, gboolean is_placeholder, gint pos); static void toolbar_content_remove (ToolbarContent *content, GtkToolbar *toolbar); static void toolbar_content_free (ToolbarContent *content); static void toolbar_content_expose (ToolbarContent *content, GtkContainer *container, GdkEventExpose *expose); static gboolean toolbar_content_visible (ToolbarContent *content, GtkToolbar *toolbar); static void toolbar_content_size_request (ToolbarContent *content, GtkToolbar *toolbar, GtkRequisition *requisition); static gboolean toolbar_content_is_homogeneous (ToolbarContent *content, GtkToolbar *toolbar); static gboolean toolbar_content_is_placeholder (ToolbarContent *content); static gboolean toolbar_content_disappearing (ToolbarContent *content); static ItemState toolbar_content_get_state (ToolbarContent *content); static gboolean toolbar_content_child_visible (ToolbarContent *content); static void toolbar_content_get_goal_allocation (ToolbarContent *content, GtkAllocation *allocation); static void toolbar_content_get_allocation (ToolbarContent *content, GtkAllocation *allocation); static void toolbar_content_set_start_allocation (ToolbarContent *content, GtkAllocation *new_start_allocation); static void toolbar_content_get_start_allocation (ToolbarContent *content, GtkAllocation *start_allocation); static gboolean toolbar_content_get_expand (ToolbarContent *content); static void toolbar_content_set_goal_allocation (ToolbarContent *content, GtkAllocation *allocation); static void toolbar_content_set_child_visible (ToolbarContent *content, GtkToolbar *toolbar, gboolean visible); static void toolbar_content_size_allocate (ToolbarContent *content, GtkAllocation *allocation); static void toolbar_content_set_state (ToolbarContent *content, ItemState new_state); static GtkWidget * toolbar_content_get_widget (ToolbarContent *content); static void toolbar_content_set_disappearing (ToolbarContent *content, gboolean disappearing); static void toolbar_content_set_size_request (ToolbarContent *content, gint width, gint height); static void toolbar_content_toolbar_reconfigured (ToolbarContent *content, GtkToolbar *toolbar); static GtkWidget * toolbar_content_retrieve_menu_item (ToolbarContent *content); static gboolean toolbar_content_has_proxy_menu_item (ToolbarContent *content); static gboolean toolbar_content_is_separator (ToolbarContent *content); static void toolbar_content_show_all (ToolbarContent *content); static void toolbar_content_hide_all (ToolbarContent *content); static void toolbar_content_set_expand (ToolbarContent *content, gboolean expand); static void toolbar_tool_shell_iface_init (GtkToolShellIface *iface); static GtkIconSize toolbar_get_icon_size (GtkToolShell *shell); static GtkOrientation toolbar_get_orientation (GtkToolShell *shell); static GtkToolbarStyle toolbar_get_style (GtkToolShell *shell); static GtkReliefStyle toolbar_get_relief_style (GtkToolShell *shell); static void toolbar_rebuild_menu (GtkToolShell *shell); #define GTK_TOOLBAR_GET_PRIVATE(o) \ (G_TYPE_INSTANCE_GET_PRIVATE ((o), GTK_TYPE_TOOLBAR, GtkToolbarPrivate)) G_DEFINE_TYPE_WITH_CODE (GtkToolbar, gtk_toolbar, GTK_TYPE_CONTAINER, G_IMPLEMENT_INTERFACE (GTK_TYPE_TOOL_SHELL, toolbar_tool_shell_iface_init) G_IMPLEMENT_INTERFACE (GTK_TYPE_ORIENTABLE, NULL)) static guint toolbar_signals[LAST_SIGNAL] = { 0 }; static void add_arrow_bindings (GtkBindingSet *binding_set, guint keysym, GtkDirectionType dir) { guint keypad_keysym = keysym - GDK_Left + GDK_KP_Left; gtk_binding_entry_add_signal (binding_set, keysym, 0, "move-focus", 1, GTK_TYPE_DIRECTION_TYPE, dir); gtk_binding_entry_add_signal (binding_set, keypad_keysym, 0, "move-focus", 1, GTK_TYPE_DIRECTION_TYPE, dir); } static void add_ctrl_tab_bindings (GtkBindingSet *binding_set, GdkModifierType modifiers, GtkDirectionType direction) { gtk_binding_entry_add_signal (binding_set, GDK_Tab, GDK_CONTROL_MASK | modifiers, "move-focus", 1, GTK_TYPE_DIRECTION_TYPE, direction); gtk_binding_entry_add_signal (binding_set, GDK_KP_Tab, GDK_CONTROL_MASK | modifiers, "move-focus", 1, GTK_TYPE_DIRECTION_TYPE, direction); } static void gtk_toolbar_class_init (GtkToolbarClass *klass) { GObjectClass *gobject_class; GtkWidgetClass *widget_class; GtkContainerClass *container_class; GtkBindingSet *binding_set; gobject_class = (GObjectClass *)klass; widget_class = (GtkWidgetClass *)klass; container_class = (GtkContainerClass *)klass; gobject_class->set_property = gtk_toolbar_set_property; gobject_class->get_property = gtk_toolbar_get_property; gobject_class->finalize = gtk_toolbar_finalize; widget_class->button_press_event = gtk_toolbar_button_press; widget_class->expose_event = gtk_toolbar_expose; widget_class->size_request = gtk_toolbar_size_request; widget_class->size_allocate = gtk_toolbar_size_allocate; widget_class->style_set = gtk_toolbar_style_set; widget_class->focus = gtk_toolbar_focus; /* need to override the base class function via override_class_handler, * because the signal slot is not available in GtkWidgetClass */ g_signal_override_class_handler ("move-focus", GTK_TYPE_TOOLBAR, G_CALLBACK (gtk_toolbar_move_focus)); widget_class->screen_changed = gtk_toolbar_screen_changed; widget_class->realize = gtk_toolbar_realize; widget_class->unrealize = gtk_toolbar_unrealize; widget_class->map = gtk_toolbar_map; widget_class->unmap = gtk_toolbar_unmap; widget_class->popup_menu = gtk_toolbar_popup_menu; widget_class->show_all = gtk_toolbar_show_all; widget_class->hide_all = gtk_toolbar_hide_all; container_class->add = gtk_toolbar_add; container_class->remove = gtk_toolbar_remove; container_class->forall = gtk_toolbar_forall; container_class->child_type = gtk_toolbar_child_type; container_class->get_child_property = gtk_toolbar_get_child_property; container_class->set_child_property = gtk_toolbar_set_child_property; klass->orientation_changed = gtk_toolbar_orientation_changed; klass->style_changed = gtk_toolbar_real_style_changed; /** * GtkToolbar::orientation-changed: * @toolbar: the object which emitted the signal * @orientation: the new #GtkOrientation of the toolbar * * Emitted when the orientation of the toolbar changes. */ toolbar_signals[ORIENTATION_CHANGED] = g_signal_new (I_("orientation-changed"), G_OBJECT_CLASS_TYPE (klass), G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (GtkToolbarClass, orientation_changed), NULL, NULL, g_cclosure_marshal_VOID__ENUM, G_TYPE_NONE, 1, GTK_TYPE_ORIENTATION); /** * GtkToolbar::style-changed: * @toolbar: The #GtkToolbar which emitted the signal * @style: the new #GtkToolbarStyle of the toolbar * * Emitted when the style of the toolbar changes. */ toolbar_signals[STYLE_CHANGED] = g_signal_new (I_("style-changed"), G_OBJECT_CLASS_TYPE (klass), G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (GtkToolbarClass, style_changed), NULL, NULL, g_cclosure_marshal_VOID__ENUM, G_TYPE_NONE, 1, GTK_TYPE_TOOLBAR_STYLE); /** * GtkToolbar::popup-context-menu: * @toolbar: the #GtkToolbar which emitted the signal * @x: the x coordinate of the point where the menu should appear * @y: the y coordinate of the point where the menu should appear * @button: the mouse button the user pressed, or -1 * * Emitted when the user right-clicks the toolbar or uses the * keybinding to display a popup menu. * * Application developers should handle this signal if they want * to display a context menu on the toolbar. The context-menu should * appear at the coordinates given by @x and @y. The mouse button * number is given by the @button parameter. If the menu was popped * up using the keybaord, @button is -1. * * Return value: return %TRUE if the signal was handled, %FALSE if not */ toolbar_signals[POPUP_CONTEXT_MENU] = g_signal_new (I_("popup-context-menu"), G_OBJECT_CLASS_TYPE (klass), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GtkToolbarClass, popup_context_menu), _gtk_boolean_handled_accumulator, NULL, _gtk_marshal_BOOLEAN__INT_INT_INT, G_TYPE_BOOLEAN, 3, G_TYPE_INT, G_TYPE_INT, G_TYPE_INT); /** * GtkToolbar::focus-home-or-end: * @toolbar: the #GtkToolbar which emitted the signal * @focus_home: %TRUE if the first item should be focused * * A keybinding signal used internally by GTK+. This signal can't * be used in application code * * Return value: %TRUE if the signal was handled, %FALSE if not */ toolbar_signals[FOCUS_HOME_OR_END] = g_signal_new_class_handler (I_("focus-home-or-end"), G_OBJECT_CLASS_TYPE (klass), G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, G_CALLBACK (gtk_toolbar_focus_home_or_end), NULL, NULL, _gtk_marshal_BOOLEAN__BOOLEAN, G_TYPE_BOOLEAN, 1, G_TYPE_BOOLEAN); /* properties */ g_object_class_override_property (gobject_class, PROP_ORIENTATION, "orientation"); g_object_class_install_property (gobject_class, PROP_TOOLBAR_STYLE, g_param_spec_enum ("toolbar-style", P_("Toolbar Style"), P_("How to draw the toolbar"), GTK_TYPE_TOOLBAR_STYLE, DEFAULT_TOOLBAR_STYLE, GTK_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_SHOW_ARROW, g_param_spec_boolean ("show-arrow", P_("Show Arrow"), P_("If an arrow should be shown if the toolbar doesn't fit"), TRUE, GTK_PARAM_READWRITE)); /** * GtkToolbar:icon-size: * * The size of the icons in a toolbar is normally determined by * the toolbar-icon-size setting. When this property is set, it * overrides the setting. * * This should only be used for special-purpose toolbars, normal * application toolbars should respect the user preferences for the * size of icons. * * Since: 2.10 */ g_object_class_install_property (gobject_class, PROP_ICON_SIZE, g_param_spec_int ("icon-size", P_("Icon size"), P_("Size of icons in this toolbar"), 0, G_MAXINT, DEFAULT_ICON_SIZE, GTK_PARAM_READWRITE)); /** * GtkToolbar:icon-size-set: * * Is %TRUE if the icon-size property has been set. * * Since: 2.10 */ g_object_class_install_property (gobject_class, PROP_ICON_SIZE_SET, g_param_spec_boolean ("icon-size-set", P_("Icon size set"), P_("Whether the icon-size property has been set"), FALSE, GTK_PARAM_READWRITE)); /* child properties */ gtk_container_class_install_child_property (container_class, CHILD_PROP_EXPAND, g_param_spec_boolean ("expand", P_("Expand"), P_("Whether the item should receive extra space when the toolbar grows"), FALSE, GTK_PARAM_READWRITE)); gtk_container_class_install_child_property (container_class, CHILD_PROP_HOMOGENEOUS, g_param_spec_boolean ("homogeneous", P_("Homogeneous"), P_("Whether the item should be the same size as other homogeneous items"), FALSE, GTK_PARAM_READWRITE)); /* style properties */ gtk_widget_class_install_style_property (widget_class, g_param_spec_int ("space-size", P_("Spacer size"), P_("Size of spacers"), 0, G_MAXINT, DEFAULT_SPACE_SIZE, GTK_PARAM_READABLE)); gtk_widget_class_install_style_property (widget_class, g_param_spec_int ("internal-padding", P_("Internal padding"), P_("Amount of border space between the toolbar shadow and the buttons"), 0, G_MAXINT, DEFAULT_IPADDING, GTK_PARAM_READABLE)); gtk_widget_class_install_style_property (widget_class, g_param_spec_int ("max-child-expand", P_("Maximum child expand"), P_("Maximum amount of space an expandable item will be given"), 0, G_MAXINT, G_MAXINT, GTK_PARAM_READABLE)); gtk_widget_class_install_style_property (widget_class, g_param_spec_enum ("space-style", P_("Space style"), P_("Whether spacers are vertical lines or just blank"), GTK_TYPE_TOOLBAR_SPACE_STYLE, DEFAULT_SPACE_STYLE, GTK_PARAM_READABLE)); gtk_widget_class_install_style_property (widget_class, g_param_spec_enum ("button-relief", P_("Button relief"), P_("Type of bevel around toolbar buttons"), GTK_TYPE_RELIEF_STYLE, GTK_RELIEF_NONE, GTK_PARAM_READABLE)); gtk_widget_class_install_style_property (widget_class, g_param_spec_enum ("shadow-type", P_("Shadow type"), P_("Style of bevel around the toolbar"), GTK_TYPE_SHADOW_TYPE, GTK_SHADOW_OUT, GTK_PARAM_READABLE)); binding_set = gtk_binding_set_by_class (klass); add_arrow_bindings (binding_set, GDK_Left, GTK_DIR_LEFT); add_arrow_bindings (binding_set, GDK_Right, GTK_DIR_RIGHT); add_arrow_bindings (binding_set, GDK_Up, GTK_DIR_UP); add_arrow_bindings (binding_set, GDK_Down, GTK_DIR_DOWN); gtk_binding_entry_add_signal (binding_set, GDK_KP_Home, 0, "focus-home-or-end", 1, G_TYPE_BOOLEAN, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_Home, 0, "focus-home-or-end", 1, G_TYPE_BOOLEAN, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_KP_End, 0, "focus-home-or-end", 1, G_TYPE_BOOLEAN, FALSE); gtk_binding_entry_add_signal (binding_set, GDK_End, 0, "focus-home-or-end", 1, G_TYPE_BOOLEAN, FALSE); add_ctrl_tab_bindings (binding_set, 0, GTK_DIR_TAB_FORWARD); add_ctrl_tab_bindings (binding_set, GDK_SHIFT_MASK, GTK_DIR_TAB_BACKWARD); g_type_class_add_private (gobject_class, sizeof (GtkToolbarPrivate)); } static void toolbar_tool_shell_iface_init (GtkToolShellIface *iface) { iface->get_icon_size = toolbar_get_icon_size; iface->get_orientation = toolbar_get_orientation; iface->get_style = toolbar_get_style; iface->get_relief_style = toolbar_get_relief_style; iface->rebuild_menu = toolbar_rebuild_menu; } static void gtk_toolbar_init (GtkToolbar *toolbar) { GtkToolbarPrivate *priv; gtk_widget_set_can_focus (GTK_WIDGET (toolbar), FALSE); gtk_widget_set_has_window (GTK_WIDGET (toolbar), FALSE); priv = GTK_TOOLBAR_GET_PRIVATE (toolbar); toolbar->orientation = GTK_ORIENTATION_HORIZONTAL; toolbar->style = DEFAULT_TOOLBAR_STYLE; toolbar->icon_size = DEFAULT_ICON_SIZE; priv->animation = DEFAULT_ANIMATION_STATE; priv->arrow_button = gtk_toggle_button_new (); g_signal_connect (priv->arrow_button, "button-press-event", G_CALLBACK (gtk_toolbar_arrow_button_press), toolbar); g_signal_connect (priv->arrow_button, "clicked", G_CALLBACK (gtk_toolbar_arrow_button_clicked), toolbar); gtk_button_set_relief (GTK_BUTTON (priv->arrow_button), get_button_relief (toolbar)); gtk_button_set_focus_on_click (GTK_BUTTON (priv->arrow_button), FALSE); priv->arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_NONE); gtk_widget_set_name (priv->arrow, "gtk-toolbar-arrow"); gtk_widget_show (priv->arrow); gtk_container_add (GTK_CONTAINER (priv->arrow_button), priv->arrow); gtk_widget_set_parent (priv->arrow_button, GTK_WIDGET (toolbar)); /* which child position a drop will occur at */ priv->menu = NULL; priv->show_arrow = TRUE; priv->settings = NULL; priv->max_homogeneous_pixels = -1; priv->timer = g_timer_new (); } static void gtk_toolbar_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { GtkToolbar *toolbar = GTK_TOOLBAR (object); switch (prop_id) { case PROP_ORIENTATION: g_signal_emit (toolbar, toolbar_signals[ORIENTATION_CHANGED], 0, g_value_get_enum (value)); break; case PROP_TOOLBAR_STYLE: gtk_toolbar_set_style (toolbar, g_value_get_enum (value)); break; case PROP_SHOW_ARROW: gtk_toolbar_set_show_arrow (toolbar, g_value_get_boolean (value)); break; case PROP_ICON_SIZE: gtk_toolbar_set_icon_size (toolbar, g_value_get_int (value)); break; case PROP_ICON_SIZE_SET: if (g_value_get_boolean (value)) toolbar->icon_size_set = TRUE; else gtk_toolbar_unset_icon_size (toolbar); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gtk_toolbar_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { GtkToolbar *toolbar = GTK_TOOLBAR (object); GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (toolbar); switch (prop_id) { case PROP_ORIENTATION: g_value_set_enum (value, toolbar->orientation); break; case PROP_TOOLBAR_STYLE: g_value_set_enum (value, toolbar->style); break; case PROP_SHOW_ARROW: g_value_set_boolean (value, priv->show_arrow); break; case PROP_ICON_SIZE: g_value_set_int (value, gtk_toolbar_get_icon_size (toolbar)); break; case PROP_ICON_SIZE_SET: g_value_set_boolean (value, toolbar->icon_size_set); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gtk_toolbar_map (GtkWidget *widget) { GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (widget); GTK_WIDGET_CLASS (gtk_toolbar_parent_class)->map (widget); if (priv->event_window) gdk_window_show_unraised (priv->event_window); } static void gtk_toolbar_unmap (GtkWidget *widget) { GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (widget); if (priv->event_window) gdk_window_hide (priv->event_window); GTK_WIDGET_CLASS (gtk_toolbar_parent_class)->unmap (widget); } static void gtk_toolbar_realize (GtkWidget *widget) { GtkToolbar *toolbar = GTK_TOOLBAR (widget); GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (toolbar); GdkWindowAttr attributes; gint attributes_mask; guint border_width; gtk_widget_set_realized (widget, TRUE); border_width = gtk_container_get_border_width (GTK_CONTAINER (widget)); attributes.wclass = GDK_INPUT_ONLY; attributes.window_type = GDK_WINDOW_CHILD; attributes.x = widget->allocation.x + border_width; attributes.y = widget->allocation.y + border_width; attributes.width = widget->allocation.width - border_width * 2; attributes.height = widget->allocation.height - border_width * 2; attributes.event_mask = gtk_widget_get_events (widget); attributes.event_mask |= (GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK); attributes_mask = GDK_WA_X | GDK_WA_Y; widget->window = gtk_widget_get_parent_window (widget); g_object_ref (widget->window); widget->style = gtk_style_attach (widget->style, widget->window); priv->event_window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, attributes_mask); gdk_window_set_user_data (priv->event_window, toolbar); } static void gtk_toolbar_unrealize (GtkWidget *widget) { GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (widget); if (priv->event_window) { gdk_window_set_user_data (priv->event_window, NULL); gdk_window_destroy (priv->event_window); priv->event_window = NULL; } GTK_WIDGET_CLASS (gtk_toolbar_parent_class)->unrealize (widget); } static gint gtk_toolbar_expose (GtkWidget *widget, GdkEventExpose *event) { GtkToolbar *toolbar = GTK_TOOLBAR (widget); GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (toolbar); GList *list; guint border_width; border_width = gtk_container_get_border_width (GTK_CONTAINER (widget)); if (gtk_widget_is_drawable (widget)) { gtk_paint_box (widget->style, widget->window, gtk_widget_get_state (widget), get_shadow_type (toolbar), &event->area, widget, "toolbar", border_width + widget->allocation.x, border_width + widget->allocation.y, widget->allocation.width - 2 * border_width, widget->allocation.height - 2 * border_width); } for (list = priv->content; list != NULL; list = list->next) { ToolbarContent *content = list->data; toolbar_content_expose (content, GTK_CONTAINER (widget), event); } gtk_container_propagate_expose (GTK_CONTAINER (widget), priv->arrow_button, event); return FALSE; } static void gtk_toolbar_size_request (GtkWidget *widget, GtkRequisition *requisition) { GtkToolbar *toolbar = GTK_TOOLBAR (widget); GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (toolbar); GList *list; gint max_child_height; gint max_child_width; gint max_homogeneous_child_width; gint max_homogeneous_child_height; gint homogeneous_size; gint long_req; gint pack_front_size; gint ipadding; guint border_width; GtkRequisition arrow_requisition; max_homogeneous_child_width = 0; max_homogeneous_child_height = 0; max_child_width = 0; max_child_height = 0; for (list = priv->content; list != NULL; list = list->next) { GtkRequisition requisition; ToolbarContent *content = list->data; if (!toolbar_content_visible (content, toolbar)) continue; toolbar_content_size_request (content, toolbar, &requisition); max_child_width = MAX (max_child_width, requisition.width); max_child_height = MAX (max_child_height, requisition.height); if (toolbar_content_is_homogeneous (content, toolbar)) { max_homogeneous_child_width = MAX (max_homogeneous_child_width, requisition.width); max_homogeneous_child_height = MAX (max_homogeneous_child_height, requisition.height); } } if (toolbar->orientation == GTK_ORIENTATION_HORIZONTAL) homogeneous_size = max_homogeneous_child_width; else homogeneous_size = max_homogeneous_child_height; pack_front_size = 0; for (list = priv->content; list != NULL; list = list->next) { ToolbarContent *content = list->data; guint size; if (!toolbar_content_visible (content, toolbar)) continue; if (toolbar_content_is_homogeneous (content, toolbar)) { size = homogeneous_size; } else { GtkRequisition requisition; toolbar_content_size_request (content, toolbar, &requisition); if (toolbar->orientation == GTK_ORIENTATION_HORIZONTAL) size = requisition.width; else size = requisition.height; } pack_front_size += size; } if (priv->show_arrow) { gtk_widget_size_request (priv->arrow_button, &arrow_requisition); if (toolbar->orientation == GTK_ORIENTATION_HORIZONTAL) long_req = arrow_requisition.width; else long_req = arrow_requisition.height; /* There is no point requesting space for the arrow if that would take * up more space than all the items combined */ long_req = MIN (long_req, pack_front_size); } else { arrow_requisition.height = 0; arrow_requisition.width = 0; long_req = pack_front_size; } if (toolbar->orientation == GTK_ORIENTATION_HORIZONTAL) { requisition->width = long_req; requisition->height = MAX (max_child_height, arrow_requisition.height); } else { requisition->height = long_req; requisition->width = MAX (max_child_width, arrow_requisition.width); } /* Extra spacing */ ipadding = get_internal_padding (toolbar); border_width = gtk_container_get_border_width (GTK_CONTAINER (toolbar)); requisition->width += 2 * (ipadding + border_width); requisition->height += 2 * (ipadding + border_width); if (get_shadow_type (toolbar) != GTK_SHADOW_NONE) { requisition->width += 2 * widget->style->xthickness; requisition->height += 2 * widget->style->ythickness; } toolbar->button_maxw = max_homogeneous_child_width; toolbar->button_maxh = max_homogeneous_child_height; } static gint position (GtkToolbar *toolbar, gint from, gint to, gdouble elapsed) { gint n_pixels; if (! GTK_TOOLBAR_GET_PRIVATE (toolbar)->animation) return to; if (elapsed <= ACCEL_THRESHOLD) { n_pixels = SLIDE_SPEED * elapsed; } else { /* The formula is a second degree polynomial in * @elapsed that has the line SLIDE_SPEED * @elapsed * as tangent for @elapsed == ACCEL_THRESHOLD. * This makes @n_pixels a smooth function of elapsed time. */ n_pixels = (SLIDE_SPEED / ACCEL_THRESHOLD) * elapsed * elapsed - SLIDE_SPEED * elapsed + SLIDE_SPEED * ACCEL_THRESHOLD; } if (to > from) return MIN (from + n_pixels, to); else return MAX (from - n_pixels, to); } static void compute_intermediate_allocation (GtkToolbar *toolbar, const GtkAllocation *start, const GtkAllocation *goal, GtkAllocation *intermediate) { GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (toolbar); gdouble elapsed = g_timer_elapsed (priv->timer, NULL); intermediate->x = position (toolbar, start->x, goal->x, elapsed); intermediate->y = position (toolbar, start->y, goal->y, elapsed); intermediate->width = position (toolbar, start->x + start->width, goal->x + goal->width, elapsed) - intermediate->x; intermediate->height = position (toolbar, start->y + start->height, goal->y + goal->height, elapsed) - intermediate->y; } static void fixup_allocation_for_rtl (gint total_size, GtkAllocation *allocation) { allocation->x += (total_size - (2 * allocation->x + allocation->width)); } static void fixup_allocation_for_vertical (GtkAllocation *allocation) { gint tmp; tmp = allocation->x; allocation->x = allocation->y; allocation->y = tmp; tmp = allocation->width; allocation->width = allocation->height; allocation->height = tmp; } static gint get_item_size (GtkToolbar *toolbar, ToolbarContent *content) { GtkRequisition requisition; toolbar_content_size_request (content, toolbar, &requisition); if (toolbar->orientation == GTK_ORIENTATION_HORIZONTAL) { if (toolbar_content_is_homogeneous (content, toolbar)) return toolbar->button_maxw; else return requisition.width; } else { if (toolbar_content_is_homogeneous (content, toolbar)) return toolbar->button_maxh; else return requisition.height; } } static gboolean slide_idle_handler (gpointer data) { GtkToolbar *toolbar = data; GtkToolbarPrivate *priv; GList *list; priv = GTK_TOOLBAR_GET_PRIVATE (toolbar); if (priv->need_sync) { gdk_flush (); priv->need_sync = FALSE; } for (list = priv->content; list != NULL; list = list->next) { ToolbarContent *content = list->data; ItemState state; GtkAllocation goal_allocation; GtkAllocation allocation; gboolean cont; state = toolbar_content_get_state (content); toolbar_content_get_goal_allocation (content, &goal_allocation); toolbar_content_get_allocation (content, &allocation); cont = FALSE; if (state == NOT_ALLOCATED) { /* an unallocated item means that size allocate has to * called at least once more */ cont = TRUE; } /* An invisible item with a goal allocation of * 0 is already at its goal. */ if ((state == NORMAL || state == OVERFLOWN) && ((goal_allocation.width != 0 && goal_allocation.height != 0) || toolbar_content_child_visible (content))) { if ((goal_allocation.x != allocation.x || goal_allocation.y != allocation.y || goal_allocation.width != allocation.width || goal_allocation.height != allocation.height)) { /* An item is not in its right position yet. Note * that OVERFLOWN items do get an allocation in * gtk_toolbar_size_allocate(). This way you can see * them slide back in when you drag an item off the * toolbar. */ cont = TRUE; } } if (toolbar_content_is_placeholder (content) && toolbar_content_disappearing (content) && toolbar_content_child_visible (content)) { /* A disappearing placeholder is still visible. */ cont = TRUE; } if (cont) { gtk_widget_queue_resize_no_redraw (GTK_WIDGET (toolbar)); return TRUE; } } gtk_widget_queue_resize_no_redraw (GTK_WIDGET (toolbar)); priv->is_sliding = FALSE; priv->idle_id = 0; return FALSE; } static gboolean rect_within (GtkAllocation *a1, GtkAllocation *a2) { return (a1->x >= a2->x && a1->x + a1->width <= a2->x + a2->width && a1->y >= a2->y && a1->y + a1->height <= a2->y + a2->height); } static void gtk_toolbar_begin_sliding (GtkToolbar *toolbar) { GtkWidget *widget = GTK_WIDGET (toolbar); GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (toolbar); GList *list; gint cur_x; gint cur_y; gint border_width; gboolean rtl; gboolean vertical; /* Start the sliding. This function copies the allocation of every * item into content->start_allocation. For items that haven't * been allocated yet, we calculate their position and save that * in start_allocatino along with zero width and zero height. * * FIXME: It would be nice if we could share this code with * the equivalent in gtk_widget_size_allocate(). */ priv->is_sliding = TRUE; if (!priv->idle_id) priv->idle_id = gdk_threads_add_idle (slide_idle_handler, toolbar); rtl = (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL); vertical = (toolbar->orientation == GTK_ORIENTATION_VERTICAL); border_width = get_internal_padding (toolbar) + gtk_container_get_border_width (GTK_CONTAINER (toolbar)); if (rtl) { cur_x = widget->allocation.width - border_width - widget->style->xthickness; cur_y = widget->allocation.height - border_width - widget->style->ythickness; } else { cur_x = border_width + widget->style->xthickness; cur_y = border_width + widget->style->ythickness; } cur_x += widget->allocation.x; cur_y += widget->allocation.y; for (list = priv->content; list != NULL; list = list->next) { ToolbarContent *content = list->data; GtkAllocation new_start_allocation; GtkAllocation item_allocation; ItemState state; state = toolbar_content_get_state (content); toolbar_content_get_allocation (content, &item_allocation); if ((state == NORMAL && rect_within (&item_allocation, &(widget->allocation))) || state == OVERFLOWN) { new_start_allocation = item_allocation; } else { new_start_allocation.x = cur_x; new_start_allocation.y = cur_y; if (vertical) { new_start_allocation.width = widget->allocation.width - 2 * border_width - 2 * widget->style->xthickness; new_start_allocation.height = 0; } else { new_start_allocation.width = 0; new_start_allocation.height = widget->allocation.height - 2 * border_width - 2 * widget->style->ythickness; } } if (vertical) cur_y = new_start_allocation.y + new_start_allocation.height; else if (rtl) cur_x = new_start_allocation.x; else cur_x = new_start_allocation.x + new_start_allocation.width; toolbar_content_set_start_allocation (content, &new_start_allocation); } /* This resize will run before the first idle handler. This * will make sure that items get the right goal allocation * so that the idle handler will not immediately return * FALSE */ gtk_widget_queue_resize_no_redraw (GTK_WIDGET (toolbar)); g_timer_reset (priv->timer); } static void gtk_toolbar_stop_sliding (GtkToolbar *toolbar) { GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (toolbar); if (priv->is_sliding) { GList *list; priv->is_sliding = FALSE; if (priv->idle_id) { g_source_remove (priv->idle_id); priv->idle_id = 0; } list = priv->content; while (list) { ToolbarContent *content = list->data; list = list->next; if (toolbar_content_is_placeholder (content)) { toolbar_content_remove (content, toolbar); toolbar_content_free (content); } } gtk_widget_queue_resize_no_redraw (GTK_WIDGET (toolbar)); } } static void remove_item (GtkWidget *menu_item, gpointer data) { gtk_container_remove (GTK_CONTAINER (menu_item->parent), menu_item); } static void menu_deactivated (GtkWidget *menu, GtkToolbar *toolbar) { GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (toolbar); gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (priv->arrow_button), FALSE); } static void menu_detached (GtkWidget *toolbar, GtkMenu *menu) { GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (toolbar); priv->menu = NULL; } static void rebuild_menu (GtkToolbar *toolbar) { GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (toolbar); GList *list, *children; if (!priv->menu) { priv->menu = GTK_MENU (gtk_menu_new()); gtk_menu_attach_to_widget (priv->menu, GTK_WIDGET (toolbar), menu_detached); g_signal_connect (priv->menu, "deactivate", G_CALLBACK (menu_deactivated), toolbar); } gtk_container_foreach (GTK_CONTAINER (priv->menu), remove_item, NULL); for (list = priv->content; list != NULL; list = list->next) { ToolbarContent *content = list->data; if (toolbar_content_get_state (content) == OVERFLOWN && !toolbar_content_is_placeholder (content)) { GtkWidget *menu_item = toolbar_content_retrieve_menu_item (content); if (menu_item) { g_assert (GTK_IS_MENU_ITEM (menu_item)); gtk_menu_shell_append (GTK_MENU_SHELL (priv->menu), menu_item); } } } /* Remove leading and trailing separator items */ children = gtk_container_get_children (GTK_CONTAINER (priv->menu)); list = children; while (list && GTK_IS_SEPARATOR_MENU_ITEM (list->data)) { GtkWidget *child = list->data; gtk_container_remove (GTK_CONTAINER (priv->menu), child); list = list->next; } g_list_free (children); /* Regenerate the list of children so we don't try to remove items twice */ children = gtk_container_get_children (GTK_CONTAINER (priv->menu)); list = g_list_last (children); while (list && GTK_IS_SEPARATOR_MENU_ITEM (list->data)) { GtkWidget *child = list->data; gtk_container_remove (GTK_CONTAINER (priv->menu), child); list = list->prev; } g_list_free (children); priv->need_rebuild = FALSE; } static void gtk_toolbar_size_allocate (GtkWidget *widget, GtkAllocation *allocation) { GtkToolbar *toolbar = GTK_TOOLBAR (widget); GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (toolbar); GtkAllocation *allocations; ItemState *new_states; GtkAllocation arrow_allocation; gint arrow_size; gint size, pos, short_size; GList *list; gint i; gboolean need_arrow; gint n_expand_items; gint border_width; gint available_size; gint n_items; gint needed_size; GtkRequisition arrow_requisition; gboolean overflowing; gboolean size_changed; gdouble elapsed; GtkAllocation item_area; GtkShadowType shadow_type; size_changed = FALSE; if (widget->allocation.x != allocation->x || widget->allocation.y != allocation->y || widget->allocation.width != allocation->width || widget->allocation.height != allocation->height) { size_changed = TRUE; } if (size_changed) gtk_toolbar_stop_sliding (toolbar); widget->allocation = *allocation; border_width = gtk_container_get_border_width (GTK_CONTAINER (toolbar)); if (gtk_widget_get_realized (widget)) { gdk_window_move_resize (priv->event_window, allocation->x + border_width, allocation->y + border_width, allocation->width - border_width * 2, allocation->height - border_width * 2); } border_width += get_internal_padding (toolbar); gtk_widget_get_child_requisition (GTK_WIDGET (priv->arrow_button), &arrow_requisition); shadow_type = get_shadow_type (toolbar); if (toolbar->orientation == GTK_ORIENTATION_HORIZONTAL) { available_size = size = allocation->width - 2 * border_width; short_size = allocation->height - 2 * border_width; arrow_size = arrow_requisition.width; if (shadow_type != GTK_SHADOW_NONE) { available_size -= 2 * widget->style->xthickness; short_size -= 2 * widget->style->ythickness; } } else { available_size = size = allocation->height - 2 * border_width; short_size = allocation->width - 2 * border_width; arrow_size = arrow_requisition.height; if (shadow_type != GTK_SHADOW_NONE) { available_size -= 2 * widget->style->ythickness; short_size -= 2 * widget->style->xthickness; } } n_items = g_list_length (priv->content); allocations = g_new0 (GtkAllocation, n_items); new_states = g_new0 (ItemState, n_items); needed_size = 0; need_arrow = FALSE; for (list = priv->content; list != NULL; list = list->next) { ToolbarContent *content = list->data; if (toolbar_content_visible (content, toolbar)) { needed_size += get_item_size (toolbar, content); /* Do we need an arrow? * * Assume we don't, and see if any non-separator item with a * proxy menu item is then going to overflow. */ if (needed_size > available_size && !need_arrow && priv->show_arrow && toolbar_content_has_proxy_menu_item (content) && !toolbar_content_is_separator (content)) { need_arrow = TRUE; } } } if (need_arrow) size = available_size - arrow_size; else size = available_size; /* calculate widths and states of items */ overflowing = FALSE; for (list = priv->content, i = 0; list != NULL; list = list->next, ++i) { ToolbarContent *content = list->data; gint item_size; if (!toolbar_content_visible (content, toolbar)) { new_states[i] = HIDDEN; continue; } item_size = get_item_size (toolbar, content); if (item_size <= size && !overflowing) { size -= item_size; allocations[i].width = item_size; new_states[i] = NORMAL; } else { overflowing = TRUE; new_states[i] = OVERFLOWN; allocations[i].width = item_size; } } /* calculate width of arrow */ if (need_arrow) { arrow_allocation.width = arrow_size; arrow_allocation.height = MAX (short_size, 1); } /* expand expandable items */ /* We don't expand when there is an overflow menu, because that leads to * weird jumps when items get moved to the overflow menu and the expanding * items suddenly get a lot of extra space */ if (!overflowing) { gint max_child_expand; n_expand_items = 0; for (i = 0, list = priv->content; list != NULL; list = list->next, ++i) { ToolbarContent *content = list->data; if (toolbar_content_get_expand (content) && new_states[i] == NORMAL) n_expand_items++; } max_child_expand = get_max_child_expand (toolbar); for (list = priv->content, i = 0; list != NULL; list = list->next, ++i) { ToolbarContent *content = list->data; if (toolbar_content_get_expand (content) && new_states[i] == NORMAL) { gint extra = size / n_expand_items; if (size % n_expand_items != 0) extra++; if (extra > max_child_expand) extra = max_child_expand; allocations[i].width += extra; size -= extra; n_expand_items--; } } g_assert (n_expand_items == 0); } /* position items */ pos = border_width; for (list = priv->content, i = 0; list != NULL; list = list->next, ++i) { /* both NORMAL and OVERFLOWN items get a position. This ensures * that sliding will work for OVERFLOWN items too */ if (new_states[i] == NORMAL || new_states[i] == OVERFLOWN) { allocations[i].x = pos; allocations[i].y = border_width; allocations[i].height = short_size; pos += allocations[i].width; } } /* position arrow */ if (need_arrow) { arrow_allocation.x = available_size - border_width - arrow_allocation.width; arrow_allocation.y = border_width; } item_area.x = border_width; item_area.y = border_width; item_area.width = available_size - (need_arrow? arrow_size : 0); item_area.height = short_size; /* fix up allocations in the vertical or RTL cases */ if (toolbar->orientation == GTK_ORIENTATION_VERTICAL) { for (i = 0; i < n_items; ++i) fixup_allocation_for_vertical (&(allocations[i])); if (need_arrow) fixup_allocation_for_vertical (&arrow_allocation); fixup_allocation_for_vertical (&item_area); } else if (gtk_widget_get_direction (GTK_WIDGET (toolbar)) == GTK_TEXT_DIR_RTL) { for (i = 0; i < n_items; ++i) fixup_allocation_for_rtl (available_size, &(allocations[i])); if (need_arrow) fixup_allocation_for_rtl (available_size, &arrow_allocation); fixup_allocation_for_rtl (available_size, &item_area); } /* translate the items by allocation->(x,y) */ for (i = 0; i < n_items; ++i) { allocations[i].x += allocation->x; allocations[i].y += allocation->y; if (shadow_type != GTK_SHADOW_NONE) { allocations[i].x += widget->style->xthickness; allocations[i].y += widget->style->ythickness; } } if (need_arrow) { arrow_allocation.x += allocation->x; arrow_allocation.y += allocation->y; if (shadow_type != GTK_SHADOW_NONE) { arrow_allocation.x += widget->style->xthickness; arrow_allocation.y += widget->style->ythickness; } } item_area.x += allocation->x; item_area.y += allocation->y; if (shadow_type != GTK_SHADOW_NONE) { item_area.x += widget->style->xthickness; item_area.y += widget->style->ythickness; } /* did anything change? */ for (list = priv->content, i = 0; list != NULL; list = list->next, i++) { ToolbarContent *content = list->data; if (toolbar_content_get_state (content) == NORMAL && new_states[i] != NORMAL) { /* an item disappeared and we didn't change size, so begin sliding */ if (!size_changed) gtk_toolbar_begin_sliding (toolbar); } } /* finally allocate the items */ if (priv->is_sliding) { for (list = priv->content, i = 0; list != NULL; list = list->next, i++) { ToolbarContent *content = list->data; toolbar_content_set_goal_allocation (content, &(allocations[i])); } } elapsed = g_timer_elapsed (priv->timer, NULL); for (list = priv->content, i = 0; list != NULL; list = list->next, ++i) { ToolbarContent *content = list->data; if (new_states[i] == OVERFLOWN || new_states[i] == NORMAL) { GtkAllocation alloc; GtkAllocation start_allocation = { 0, }; GtkAllocation goal_allocation; if (priv->is_sliding) { toolbar_content_get_start_allocation (content, &start_allocation); toolbar_content_get_goal_allocation (content, &goal_allocation); compute_intermediate_allocation (toolbar, &start_allocation, &goal_allocation, &alloc); priv->need_sync = TRUE; } else { alloc = allocations[i]; } if (alloc.width <= 0 || alloc.height <= 0) { toolbar_content_set_child_visible (content, toolbar, FALSE); } else { if (!rect_within (&alloc, &item_area)) { toolbar_content_set_child_visible (content, toolbar, FALSE); toolbar_content_size_allocate (content, &alloc); } else { toolbar_content_set_child_visible (content, toolbar, TRUE); toolbar_content_size_allocate (content, &alloc); } } } else { toolbar_content_set_child_visible (content, toolbar, FALSE); } toolbar_content_set_state (content, new_states[i]); } if (priv->menu && priv->need_rebuild) rebuild_menu (toolbar); if (need_arrow) { gtk_widget_size_allocate (GTK_WIDGET (priv->arrow_button), &arrow_allocation); gtk_widget_show (GTK_WIDGET (priv->arrow_button)); } else { gtk_widget_hide (GTK_WIDGET (priv->arrow_button)); if (priv->menu && gtk_widget_get_visible (GTK_WIDGET (priv->menu))) gtk_menu_shell_deactivate (GTK_MENU_SHELL (priv->menu)); } g_free (allocations); g_free (new_states); } static void gtk_toolbar_update_button_relief (GtkToolbar *toolbar) { GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (toolbar); GtkReliefStyle relief; relief = get_button_relief (toolbar); if (relief != gtk_button_get_relief (GTK_BUTTON (priv->arrow_button))) { gtk_toolbar_reconfigured (toolbar); gtk_button_set_relief (GTK_BUTTON (priv->arrow_button), relief); } } static void gtk_toolbar_style_set (GtkWidget *widget, GtkStyle *prev_style) { GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (widget); priv->max_homogeneous_pixels = -1; if (gtk_widget_get_realized (widget)) gtk_style_set_background (widget->style, widget->window, widget->state); if (prev_style) gtk_toolbar_update_button_relief (GTK_TOOLBAR (widget)); } static GList * gtk_toolbar_list_children_in_focus_order (GtkToolbar *toolbar, GtkDirectionType dir) { GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (toolbar); GList *result = NULL; GList *list; gboolean rtl; /* generate list of children in reverse logical order */ for (list = priv->content; list != NULL; list = list->next) { ToolbarContent *content = list->data; GtkWidget *widget; widget = toolbar_content_get_widget (content); if (widget) result = g_list_prepend (result, widget); } result = g_list_prepend (result, priv->arrow_button); rtl = (gtk_widget_get_direction (GTK_WIDGET (toolbar)) == GTK_TEXT_DIR_RTL); /* move in logical order when * * - dir is TAB_FORWARD * * - in RTL mode and moving left or up * * - in LTR mode and moving right or down */ if (dir == GTK_DIR_TAB_FORWARD || (rtl && (dir == GTK_DIR_UP || dir == GTK_DIR_LEFT)) || (!rtl && (dir == GTK_DIR_DOWN || dir == GTK_DIR_RIGHT))) { result = g_list_reverse (result); } return result; } static gboolean gtk_toolbar_focus_home_or_end (GtkToolbar *toolbar, gboolean focus_home) { GList *children, *list; GtkDirectionType dir = focus_home? GTK_DIR_RIGHT : GTK_DIR_LEFT; children = gtk_toolbar_list_children_in_focus_order (toolbar, dir); if (gtk_widget_get_direction (GTK_WIDGET (toolbar)) == GTK_TEXT_DIR_RTL) { children = g_list_reverse (children); dir = (dir == GTK_DIR_RIGHT)? GTK_DIR_LEFT : GTK_DIR_RIGHT; } for (list = children; list != NULL; list = list->next) { GtkWidget *child = list->data; if (gtk_container_get_focus_child (GTK_CONTAINER (toolbar)) == child) break; if (gtk_widget_get_mapped (child) && gtk_widget_child_focus (child, dir)) break; } g_list_free (children); return TRUE; } /* Keybinding handler. This function is called when the user presses * Ctrl TAB or an arrow key. */ static void gtk_toolbar_move_focus (GtkWidget *widget, GtkDirectionType dir) { GtkToolbar *toolbar = GTK_TOOLBAR (widget); GtkContainer *container = GTK_CONTAINER (toolbar); GtkWidget *focus_child; GList *list; gboolean try_focus = FALSE; GList *children; focus_child = gtk_container_get_focus_child (container); if (focus_child && gtk_widget_child_focus (focus_child, dir)) return; children = gtk_toolbar_list_children_in_focus_order (toolbar, dir); for (list = children; list != NULL; list = list->next) { GtkWidget *child = list->data; if (try_focus && gtk_widget_get_mapped (child) && gtk_widget_child_focus (child, dir)) break; if (child == focus_child) try_focus = TRUE; } g_list_free (children); } /* The focus handler for the toolbar. It called when the user presses * TAB or otherwise tries to focus the toolbar. */ static gboolean gtk_toolbar_focus (GtkWidget *widget, GtkDirectionType dir) { GtkToolbar *toolbar = GTK_TOOLBAR (widget); GList *children, *list; gboolean result = FALSE; /* if focus is already somewhere inside the toolbar then return FALSE. * The only way focus can stay inside the toolbar is when the user presses * arrow keys or Ctrl TAB (both of which are handled by the * gtk_toolbar_move_focus() keybinding function. */ if (gtk_container_get_focus_child (GTK_CONTAINER (widget))) return FALSE; children = gtk_toolbar_list_children_in_focus_order (toolbar, dir); for (list = children; list != NULL; list = list->next) { GtkWidget *child = list->data; if (gtk_widget_get_mapped (child) && gtk_widget_child_focus (child, dir)) { result = TRUE; break; } } g_list_free (children); return result; } static GtkSettings * toolbar_get_settings (GtkToolbar *toolbar) { GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (toolbar); return priv->settings; } static void style_change_notify (GtkToolbar *toolbar) { if (!toolbar->style_set) { /* pretend it was set, then unset, thus reverting to new default */ toolbar->style_set = TRUE; gtk_toolbar_unset_style (toolbar); } } static void icon_size_change_notify (GtkToolbar *toolbar) { if (!toolbar->icon_size_set) { /* pretend it was set, then unset, thus reverting to new default */ toolbar->icon_size_set = TRUE; gtk_toolbar_unset_icon_size (toolbar); } } static void animation_change_notify (GtkToolbar *toolbar) { GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (toolbar); GtkSettings *settings = toolbar_get_settings (toolbar); gboolean animation; if (settings) g_object_get (settings, "gtk-enable-animations", &animation, NULL); else animation = DEFAULT_ANIMATION_STATE; priv->animation = animation; } static void settings_change_notify (GtkSettings *settings, const GParamSpec *pspec, GtkToolbar *toolbar) { if (! strcmp (pspec->name, "gtk-toolbar-style")) style_change_notify (toolbar); else if (! strcmp (pspec->name, "gtk-toolbar-icon-size")) icon_size_change_notify (toolbar); else if (! strcmp (pspec->name, "gtk-enable-animations")) animation_change_notify (toolbar); } static void gtk_toolbar_screen_changed (GtkWidget *widget, GdkScreen *previous_screen) { GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (widget); GtkToolbar *toolbar = GTK_TOOLBAR (widget); GtkSettings *old_settings = toolbar_get_settings (toolbar); GtkSettings *settings; if (gtk_widget_has_screen (GTK_WIDGET (toolbar))) settings = gtk_widget_get_settings (GTK_WIDGET (toolbar)); else settings = NULL; if (settings == old_settings) return; if (old_settings) { g_signal_handler_disconnect (old_settings, priv->settings_connection); g_object_unref (old_settings); } if (settings) { priv->settings_connection = g_signal_connect (settings, "notify", G_CALLBACK (settings_change_notify), toolbar); priv->settings = g_object_ref (settings); } else priv->settings = NULL; style_change_notify (toolbar); icon_size_change_notify (toolbar); animation_change_notify (toolbar); } static int find_drop_index (GtkToolbar *toolbar, gint x, gint y) { GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (toolbar); GList *interesting_content; GList *list; GtkOrientation orientation; GtkTextDirection direction; gint best_distance = G_MAXINT; gint distance; gint cursor; gint pos; ToolbarContent *best_content; GtkAllocation allocation; /* list items we care about wrt. drag and drop */ interesting_content = NULL; for (list = priv->content; list != NULL; list = list->next) { ToolbarContent *content = list->data; if (toolbar_content_get_state (content) == NORMAL) interesting_content = g_list_prepend (interesting_content, content); } interesting_content = g_list_reverse (interesting_content); if (!interesting_content) return 0; orientation = toolbar->orientation; direction = gtk_widget_get_direction (GTK_WIDGET (toolbar)); /* distance to first interesting item */ best_content = interesting_content->data; toolbar_content_get_allocation (best_content, &allocation); if (orientation == GTK_ORIENTATION_HORIZONTAL) { cursor = x; if (direction == GTK_TEXT_DIR_LTR) pos = allocation.x; else pos = allocation.x + allocation.width; } else { cursor = y; pos = allocation.y; } best_content = NULL; best_distance = ABS (pos - cursor); /* distance to far end of each item */ for (list = interesting_content; list != NULL; list = list->next) { ToolbarContent *content = list->data; toolbar_content_get_allocation (content, &allocation); if (orientation == GTK_ORIENTATION_HORIZONTAL) { if (direction == GTK_TEXT_DIR_LTR) pos = allocation.x + allocation.width; else pos = allocation.x; } else { pos = allocation.y + allocation.height; } distance = ABS (pos - cursor); if (distance < best_distance) { best_distance = distance; best_content = content; } } g_list_free (interesting_content); if (!best_content) return 0; else return g_list_index (priv->content, best_content) + 1; } static void reset_all_placeholders (GtkToolbar *toolbar) { GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (toolbar); GList *list; for (list = priv->content; list != NULL; list = list->next) { ToolbarContent *content = list->data; if (toolbar_content_is_placeholder (content)) toolbar_content_set_disappearing (content, TRUE); } } static gint physical_to_logical (GtkToolbar *toolbar, gint physical) { GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (toolbar); GList *list; int logical; g_assert (physical >= 0); logical = 0; for (list = priv->content; list && physical > 0; list = list->next) { ToolbarContent *content = list->data; if (!toolbar_content_is_placeholder (content)) logical++; physical--; } g_assert (physical == 0); return logical; } static gint logical_to_physical (GtkToolbar *toolbar, gint logical) { GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (toolbar); GList *list; gint physical; g_assert (logical >= 0); physical = 0; for (list = priv->content; list; list = list->next) { ToolbarContent *content = list->data; if (!toolbar_content_is_placeholder (content)) { if (logical == 0) break; logical--; } physical++; } g_assert (logical == 0); return physical; } /** * gtk_toolbar_set_drop_highlight_item: * @toolbar: a #GtkToolbar * @tool_item: (allow-none): a #GtkToolItem, or %NULL to turn of highlighting * @index_: a position on @toolbar * * Highlights @toolbar to give an idea of what it would look like * if @item was added to @toolbar at the position indicated by @index_. * If @item is %NULL, highlighting is turned off. In that case @index_ * is ignored. * * The @tool_item passed to this function must not be part of any widget * hierarchy. When an item is set as drop highlight item it can not * added to any widget hierarchy or used as highlight item for another * toolbar. * * Since: 2.4 **/ void gtk_toolbar_set_drop_highlight_item (GtkToolbar *toolbar, GtkToolItem *tool_item, gint index_) { ToolbarContent *content; GtkToolbarPrivate *priv; gint n_items; GtkRequisition requisition; GtkRequisition old_requisition; gboolean restart_sliding; g_return_if_fail (GTK_IS_TOOLBAR (toolbar)); g_return_if_fail (tool_item == NULL || GTK_IS_TOOL_ITEM (tool_item)); priv = GTK_TOOLBAR_GET_PRIVATE (toolbar); if (!tool_item) { if (priv->highlight_tool_item) { gtk_widget_unparent (GTK_WIDGET (priv->highlight_tool_item)); g_object_unref (priv->highlight_tool_item); priv->highlight_tool_item = NULL; } reset_all_placeholders (toolbar); gtk_toolbar_begin_sliding (toolbar); return; } n_items = gtk_toolbar_get_n_items (toolbar); if (index_ < 0 || index_ > n_items) index_ = n_items; if (tool_item != priv->highlight_tool_item) { if (priv->highlight_tool_item) g_object_unref (priv->highlight_tool_item); g_object_ref_sink (tool_item); priv->highlight_tool_item = tool_item; gtk_widget_set_parent (GTK_WIDGET (priv->highlight_tool_item), GTK_WIDGET (toolbar)); } index_ = logical_to_physical (toolbar, index_); content = g_list_nth_data (priv->content, index_); if (index_ > 0) { ToolbarContent *prev_content; prev_content = g_list_nth_data (priv->content, index_ - 1); if (prev_content && toolbar_content_is_placeholder (prev_content)) content = prev_content; } if (!content || !toolbar_content_is_placeholder (content)) { GtkWidget *placeholder; placeholder = GTK_WIDGET (gtk_separator_tool_item_new ()); content = toolbar_content_new_tool_item (toolbar, GTK_TOOL_ITEM (placeholder), TRUE, index_); gtk_widget_show (placeholder); } g_assert (content); g_assert (toolbar_content_is_placeholder (content)); gtk_widget_size_request (GTK_WIDGET (priv->highlight_tool_item), &requisition); toolbar_content_set_expand (content, gtk_tool_item_get_expand (tool_item)); restart_sliding = FALSE; toolbar_content_size_request (content, toolbar, &old_requisition); if (toolbar->orientation == GTK_ORIENTATION_HORIZONTAL) { requisition.height = -1; if (requisition.width != old_requisition.width) restart_sliding = TRUE; } else { requisition.width = -1; if (requisition.height != old_requisition.height) restart_sliding = TRUE; } if (toolbar_content_disappearing (content)) restart_sliding = TRUE; reset_all_placeholders (toolbar); toolbar_content_set_disappearing (content, FALSE); toolbar_content_set_size_request (content, requisition.width, requisition.height); if (restart_sliding) gtk_toolbar_begin_sliding (toolbar); } static void gtk_toolbar_get_child_property (GtkContainer *container, GtkWidget *child, guint property_id, GValue *value, GParamSpec *pspec) { GtkToolItem *item = GTK_TOOL_ITEM (child); switch (property_id) { case CHILD_PROP_HOMOGENEOUS: g_value_set_boolean (value, gtk_tool_item_get_homogeneous (item)); break; case CHILD_PROP_EXPAND: g_value_set_boolean (value, gtk_tool_item_get_expand (item)); break; default: GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, property_id, pspec); break; } } static void gtk_toolbar_set_child_property (GtkContainer *container, GtkWidget *child, guint property_id, const GValue *value, GParamSpec *pspec) { switch (property_id) { case CHILD_PROP_HOMOGENEOUS: gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (child), g_value_get_boolean (value)); break; case CHILD_PROP_EXPAND: gtk_tool_item_set_expand (GTK_TOOL_ITEM (child), g_value_get_boolean (value)); break; default: GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, property_id, pspec); break; } } static void gtk_toolbar_show_all (GtkWidget *widget) { GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (widget); GList *list; for (list = priv->content; list != NULL; list = list->next) { ToolbarContent *content = list->data; toolbar_content_show_all (content); } gtk_widget_show (widget); } static void gtk_toolbar_hide_all (GtkWidget *widget) { GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (widget); GList *list; for (list = priv->content; list != NULL; list = list->next) { ToolbarContent *content = list->data; toolbar_content_hide_all (content); } gtk_widget_hide (widget); } static void gtk_toolbar_add (GtkContainer *container, GtkWidget *widget) { GtkToolbar *toolbar = GTK_TOOLBAR (container); gtk_toolbar_insert (toolbar, GTK_TOOL_ITEM (widget), -1); } static void gtk_toolbar_remove (GtkContainer *container, GtkWidget *widget) { GtkToolbar *toolbar = GTK_TOOLBAR (container); GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (toolbar); ToolbarContent *content_to_remove; GList *list; content_to_remove = NULL; for (list = priv->content; list != NULL; list = list->next) { ToolbarContent *content = list->data; GtkWidget *child; child = toolbar_content_get_widget (content); if (child && child == widget) { content_to_remove = content; break; } } g_return_if_fail (content_to_remove != NULL); toolbar_content_remove (content_to_remove, toolbar); toolbar_content_free (content_to_remove); } static void gtk_toolbar_forall (GtkContainer *container, gboolean include_internals, GtkCallback callback, gpointer callback_data) { GtkToolbar *toolbar = GTK_TOOLBAR (container); GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (toolbar); GList *list; g_return_if_fail (callback != NULL); list = priv->content; while (list) { ToolbarContent *content = list->data; GList *next = list->next; if (include_internals || !toolbar_content_is_placeholder (content)) { GtkWidget *child = toolbar_content_get_widget (content); if (child) callback (child, callback_data); } list = next; } if (include_internals) callback (priv->arrow_button, callback_data); } static GType gtk_toolbar_child_type (GtkContainer *container) { return GTK_TYPE_TOOL_ITEM; } static void gtk_toolbar_reconfigured (GtkToolbar *toolbar) { GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (toolbar); GList *list; list = priv->content; while (list) { ToolbarContent *content = list->data; GList *next = list->next; toolbar_content_toolbar_reconfigured (content, toolbar); list = next; } } static void gtk_toolbar_orientation_changed (GtkToolbar *toolbar, GtkOrientation orientation) { GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (toolbar); if (toolbar->orientation != orientation) { toolbar->orientation = orientation; if (orientation == GTK_ORIENTATION_HORIZONTAL) gtk_arrow_set (GTK_ARROW (priv->arrow), GTK_ARROW_DOWN, GTK_SHADOW_NONE); else gtk_arrow_set (GTK_ARROW (priv->arrow), GTK_ARROW_RIGHT, GTK_SHADOW_NONE); gtk_toolbar_reconfigured (toolbar); gtk_widget_queue_resize (GTK_WIDGET (toolbar)); g_object_notify (G_OBJECT (toolbar), "orientation"); } } static void gtk_toolbar_real_style_changed (GtkToolbar *toolbar, GtkToolbarStyle style) { if (toolbar->style != style) { toolbar->style = style; gtk_toolbar_reconfigured (toolbar); gtk_widget_queue_resize (GTK_WIDGET (toolbar)); g_object_notify (G_OBJECT (toolbar), "toolbar-style"); } } static void menu_position_func (GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer user_data) { GtkToolbar *toolbar = GTK_TOOLBAR (user_data); GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (toolbar); GtkRequisition req; GtkRequisition menu_req; GdkRectangle monitor; gint monitor_num; GdkScreen *screen; gtk_widget_size_request (priv->arrow_button, &req); gtk_widget_size_request (GTK_WIDGET (menu), &menu_req); screen = gtk_widget_get_screen (GTK_WIDGET (menu)); monitor_num = gdk_screen_get_monitor_at_window (screen, priv->arrow_button->window); if (monitor_num < 0) monitor_num = 0; gdk_screen_get_monitor_geometry (screen, monitor_num, &monitor); gdk_window_get_origin (GTK_BUTTON (priv->arrow_button)->event_window, x, y); if (toolbar->orientation == GTK_ORIENTATION_HORIZONTAL) { if (gtk_widget_get_direction (GTK_WIDGET (toolbar)) == GTK_TEXT_DIR_LTR) *x += priv->arrow_button->allocation.width - req.width; else *x += req.width - menu_req.width; if ((*y + priv->arrow_button->allocation.height + menu_req.height) <= monitor.y + monitor.height) *y += priv->arrow_button->allocation.height; else if ((*y - menu_req.height) >= monitor.y) *y -= menu_req.height; else if (monitor.y + monitor.height - (*y + priv->arrow_button->allocation.height) > *y) *y += priv->arrow_button->allocation.height; else *y -= menu_req.height; } else { if (gtk_widget_get_direction (GTK_WIDGET (toolbar)) == GTK_TEXT_DIR_LTR) *x += priv->arrow_button->allocation.width; else *x -= menu_req.width; if (*y + menu_req.height > monitor.y + monitor.height && *y + priv->arrow_button->allocation.height - monitor.y > monitor.y + monitor.height - *y) *y += priv->arrow_button->allocation.height - menu_req.height; } *push_in = FALSE; } static void show_menu (GtkToolbar *toolbar, GdkEventButton *event) { GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (toolbar); rebuild_menu (toolbar); gtk_widget_show_all (GTK_WIDGET (priv->menu)); gtk_menu_popup (priv->menu, NULL, NULL, menu_position_func, toolbar, event? event->button : 0, event? event->time : gtk_get_current_event_time()); } static void gtk_toolbar_arrow_button_clicked (GtkWidget *button, GtkToolbar *toolbar) { GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (toolbar); if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (priv->arrow_button)) && (!priv->menu || !gtk_widget_get_visible (GTK_WIDGET (priv->menu)))) { /* We only get here when the button is clicked with the keyboard, * because mouse button presses result in the menu being shown so * that priv->menu would be non-NULL and visible. */ show_menu (toolbar, NULL); gtk_menu_shell_select_first (GTK_MENU_SHELL (priv->menu), FALSE); } } static gboolean gtk_toolbar_arrow_button_press (GtkWidget *button, GdkEventButton *event, GtkToolbar *toolbar) { show_menu (toolbar, event); gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), TRUE); return TRUE; } static gboolean gtk_toolbar_button_press (GtkWidget *toolbar, GdkEventButton *event) { GtkWidget *window; if (event->button == 3) { gboolean return_value; g_signal_emit (toolbar, toolbar_signals[POPUP_CONTEXT_MENU], 0, (int)event->x_root, (int)event->y_root, event->button, &return_value); return return_value; } window = gtk_widget_get_toplevel (toolbar); if (window) { gboolean window_drag = FALSE; gtk_widget_style_get (toolbar, "window-dragging", &window_drag, NULL); if (window_drag) { gtk_window_begin_move_drag (GTK_WINDOW (window), event->button, event->x_root, event->y_root, event->time); return TRUE; } } return FALSE; } static gboolean gtk_toolbar_popup_menu (GtkWidget *toolbar) { gboolean return_value; /* This function is the handler for the "popup menu" keybinding, * ie., it is called when the user presses Shift F10 */ g_signal_emit (toolbar, toolbar_signals[POPUP_CONTEXT_MENU], 0, -1, -1, -1, &return_value); return return_value; } /** * gtk_toolbar_new: * * Creates a new toolbar. * Return Value: the newly-created toolbar. **/ GtkWidget * gtk_toolbar_new (void) { GtkToolbar *toolbar; toolbar = g_object_new (GTK_TYPE_TOOLBAR, NULL); return GTK_WIDGET (toolbar); } /** * gtk_toolbar_insert: * @toolbar: a #GtkToolbar * @item: a #GtkToolItem * @pos: the position of the new item * * Insert a #GtkToolItem into the toolbar at position @pos. If @pos is * 0 the item is prepended to the start of the toolbar. If @pos is * negative, the item is appended to the end of the toolbar. * * Since: 2.4 **/ void gtk_toolbar_insert (GtkToolbar *toolbar, GtkToolItem *item, gint pos) { g_return_if_fail (GTK_IS_TOOLBAR (toolbar)); g_return_if_fail (GTK_IS_TOOL_ITEM (item)); if (pos >= 0) pos = logical_to_physical (toolbar, pos); toolbar_content_new_tool_item (toolbar, item, FALSE, pos); } /** * gtk_toolbar_get_item_index: * @toolbar: a #GtkToolbar * @item: a #GtkToolItem that is a child of @toolbar * * Returns the position of @item on the toolbar, starting from 0. * It is an error if @item is not a child of the toolbar. * * Return value: the position of item on the toolbar. * * Since: 2.4 **/ gint gtk_toolbar_get_item_index (GtkToolbar *toolbar, GtkToolItem *item) { GtkToolbarPrivate *priv; GList *list; int n; g_return_val_if_fail (GTK_IS_TOOLBAR (toolbar), -1); g_return_val_if_fail (GTK_IS_TOOL_ITEM (item), -1); g_return_val_if_fail (GTK_WIDGET (item)->parent == GTK_WIDGET (toolbar), -1); priv = GTK_TOOLBAR_GET_PRIVATE (toolbar); n = 0; for (list = priv->content; list != NULL; list = list->next) { ToolbarContent *content = list->data; GtkWidget *widget; widget = toolbar_content_get_widget (content); if (item == GTK_TOOL_ITEM (widget)) break; ++n; } return physical_to_logical (toolbar, n); } /** * gtk_toolbar_set_style: * @toolbar: a #GtkToolbar. * @style: the new style for @toolbar. * * Alters the view of @toolbar to display either icons only, text only, or both. **/ void gtk_toolbar_set_style (GtkToolbar *toolbar, GtkToolbarStyle style) { g_return_if_fail (GTK_IS_TOOLBAR (toolbar)); toolbar->style_set = TRUE; g_signal_emit (toolbar, toolbar_signals[STYLE_CHANGED], 0, style); } /** * gtk_toolbar_get_style: * @toolbar: a #GtkToolbar * * Retrieves whether the toolbar has text, icons, or both . See * gtk_toolbar_set_style(). * Return value: the current style of @toolbar **/ GtkToolbarStyle gtk_toolbar_get_style (GtkToolbar *toolbar) { g_return_val_if_fail (GTK_IS_TOOLBAR (toolbar), DEFAULT_TOOLBAR_STYLE); return toolbar->style; } /** * gtk_toolbar_unset_style: * @toolbar: a #GtkToolbar * * Unsets a toolbar style set with gtk_toolbar_set_style(), so that * user preferences will be used to determine the toolbar style. **/ void gtk_toolbar_unset_style (GtkToolbar *toolbar) { GtkToolbarStyle style; g_return_if_fail (GTK_IS_TOOLBAR (toolbar)); if (toolbar->style_set) { GtkSettings *settings = toolbar_get_settings (toolbar); if (settings) g_object_get (settings, "gtk-toolbar-style", &style, NULL); else style = DEFAULT_TOOLBAR_STYLE; if (style != toolbar->style) g_signal_emit (toolbar, toolbar_signals[STYLE_CHANGED], 0, style); toolbar->style_set = FALSE; } } /** * gtk_toolbar_get_n_items: * @toolbar: a #GtkToolbar * * Returns the number of items on the toolbar. * * Return value: the number of items on the toolbar * * Since: 2.4 **/ gint gtk_toolbar_get_n_items (GtkToolbar *toolbar) { GtkToolbarPrivate *priv; g_return_val_if_fail (GTK_IS_TOOLBAR (toolbar), -1); priv = GTK_TOOLBAR_GET_PRIVATE (toolbar); return physical_to_logical (toolbar, g_list_length (priv->content)); } /** * gtk_toolbar_get_nth_item: * @toolbar: a #GtkToolbar * @n: A position on the toolbar * * Returns the @n'th item on @toolbar, or %NULL if the * toolbar does not contain an @n'th item. * * Return value: The @n'th #GtkToolItem on @toolbar, or %NULL if there * isn't an @n'th item. * * Since: 2.4 **/ GtkToolItem * gtk_toolbar_get_nth_item (GtkToolbar *toolbar, gint n) { GtkToolbarPrivate *priv; ToolbarContent *content; gint n_items; g_return_val_if_fail (GTK_IS_TOOLBAR (toolbar), NULL); n_items = gtk_toolbar_get_n_items (toolbar); if (n < 0 || n >= n_items) return NULL; priv = GTK_TOOLBAR_GET_PRIVATE (toolbar); content = g_list_nth_data (priv->content, logical_to_physical (toolbar, n)); g_assert (content); g_assert (!toolbar_content_is_placeholder (content)); return GTK_TOOL_ITEM (toolbar_content_get_widget (content)); } /** * gtk_toolbar_get_icon_size: * @toolbar: a #GtkToolbar * * Retrieves the icon size for the toolbar. See gtk_toolbar_set_icon_size(). * * Return value: (type int): the current icon size for the icons on * the toolbar. **/ GtkIconSize gtk_toolbar_get_icon_size (GtkToolbar *toolbar) { g_return_val_if_fail (GTK_IS_TOOLBAR (toolbar), DEFAULT_ICON_SIZE); return toolbar->icon_size; } /** * gtk_toolbar_get_relief_style: * @toolbar: a #GtkToolbar * * Returns the relief style of buttons on @toolbar. See * gtk_button_set_relief(). * * Return value: The relief style of buttons on @toolbar. * * Since: 2.4 **/ GtkReliefStyle gtk_toolbar_get_relief_style (GtkToolbar *toolbar) { g_return_val_if_fail (GTK_IS_TOOLBAR (toolbar), GTK_RELIEF_NONE); return get_button_relief (toolbar); } /** * gtk_toolbar_set_show_arrow: * @toolbar: a #GtkToolbar * @show_arrow: Whether to show an overflow menu * * Sets whether to show an overflow menu when * @toolbar doesn't have room for all items on it. If %TRUE, * items that there are not room are available through an * overflow menu. * * Since: 2.4 **/ void gtk_toolbar_set_show_arrow (GtkToolbar *toolbar, gboolean show_arrow) { GtkToolbarPrivate *priv; g_return_if_fail (GTK_IS_TOOLBAR (toolbar)); priv = GTK_TOOLBAR_GET_PRIVATE (toolbar); show_arrow = show_arrow != FALSE; if (priv->show_arrow != show_arrow) { priv->show_arrow = show_arrow; if (!priv->show_arrow) gtk_widget_hide (priv->arrow_button); gtk_widget_queue_resize (GTK_WIDGET (toolbar)); g_object_notify (G_OBJECT (toolbar), "show-arrow"); } } /** * gtk_toolbar_get_show_arrow: * @toolbar: a #GtkToolbar * * Returns whether the toolbar has an overflow menu. * See gtk_toolbar_set_show_arrow(). * * Return value: %TRUE if the toolbar has an overflow menu. * * Since: 2.4 **/ gboolean gtk_toolbar_get_show_arrow (GtkToolbar *toolbar) { GtkToolbarPrivate *priv; g_return_val_if_fail (GTK_IS_TOOLBAR (toolbar), FALSE); priv = GTK_TOOLBAR_GET_PRIVATE (toolbar); return priv->show_arrow; } /** * gtk_toolbar_get_drop_index: * @toolbar: a #GtkToolbar * @x: x coordinate of a point on the toolbar * @y: y coordinate of a point on the toolbar * * Returns the position corresponding to the indicated point on * @toolbar. This is useful when dragging items to the toolbar: * this function returns the position a new item should be * inserted. * * @x and @y are in @toolbar coordinates. * * Return value: The position corresponding to the point (@x, @y) on the toolbar. * * Since: 2.4 **/ gint gtk_toolbar_get_drop_index (GtkToolbar *toolbar, gint x, gint y) { g_return_val_if_fail (GTK_IS_TOOLBAR (toolbar), -1); return physical_to_logical (toolbar, find_drop_index (toolbar, x, y)); } static void gtk_toolbar_finalize (GObject *object) { GList *list; GtkToolbar *toolbar = GTK_TOOLBAR (object); GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (toolbar); if (priv->arrow_button) gtk_widget_unparent (priv->arrow_button); for (list = priv->content; list != NULL; list = list->next) { ToolbarContent *content = list->data; toolbar_content_free (content); } g_list_free (priv->content); g_list_free (toolbar->children); g_timer_destroy (priv->timer); if (priv->menu) gtk_widget_destroy (GTK_WIDGET (priv->menu)); if (priv->idle_id) g_source_remove (priv->idle_id); G_OBJECT_CLASS (gtk_toolbar_parent_class)->finalize (object); } /** * gtk_toolbar_set_icon_size: * @toolbar: A #GtkToolbar * @icon_size: (type int): The #GtkIconSize that stock icons in the * toolbar shall have. * * This function sets the size of stock icons in the toolbar. You * can call it both before you add the icons and after they've been * added. The size you set will override user preferences for the default * icon size. * * This should only be used for special-purpose toolbars, normal * application toolbars should respect the user preferences for the * size of icons. **/ void gtk_toolbar_set_icon_size (GtkToolbar *toolbar, GtkIconSize icon_size) { g_return_if_fail (GTK_IS_TOOLBAR (toolbar)); g_return_if_fail (icon_size != GTK_ICON_SIZE_INVALID); if (!toolbar->icon_size_set) { toolbar->icon_size_set = TRUE; g_object_notify (G_OBJECT (toolbar), "icon-size-set"); } if (toolbar->icon_size == icon_size) return; toolbar->icon_size = icon_size; g_object_notify (G_OBJECT (toolbar), "icon-size"); gtk_toolbar_reconfigured (toolbar); gtk_widget_queue_resize (GTK_WIDGET (toolbar)); } /** * gtk_toolbar_unset_icon_size: * @toolbar: a #GtkToolbar * * Unsets toolbar icon size set with gtk_toolbar_set_icon_size(), so that * user preferences will be used to determine the icon size. **/ void gtk_toolbar_unset_icon_size (GtkToolbar *toolbar) { GtkIconSize size; g_return_if_fail (GTK_IS_TOOLBAR (toolbar)); if (toolbar->icon_size_set) { GtkSettings *settings = toolbar_get_settings (toolbar); if (settings) { g_object_get (settings, "gtk-toolbar-icon-size", &size, NULL); } else size = DEFAULT_ICON_SIZE; if (size != toolbar->icon_size) { gtk_toolbar_set_icon_size (toolbar, size); g_object_notify (G_OBJECT (toolbar), "icon-size"); } toolbar->icon_size_set = FALSE; g_object_notify (G_OBJECT (toolbar), "icon-size-set"); } } /* * ToolbarContent methods */ typedef enum { UNKNOWN, YES, NO } TriState; struct _ToolbarContent { ItemState state; GtkToolItem *item; GtkAllocation start_allocation; GtkAllocation goal_allocation; guint is_placeholder : 1; guint disappearing : 1; guint has_menu : 2; }; static ToolbarContent * toolbar_content_new_tool_item (GtkToolbar *toolbar, GtkToolItem *item, gboolean is_placeholder, gint pos) { ToolbarContent *content; GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (toolbar); content = g_slice_new0 (ToolbarContent); content->state = NOT_ALLOCATED; content->item = item; content->is_placeholder = is_placeholder; gtk_widget_set_parent (GTK_WIDGET (item), GTK_WIDGET (toolbar)); priv->content = g_list_insert (priv->content, content, pos); if (!is_placeholder) { toolbar->num_children++; gtk_toolbar_stop_sliding (toolbar); } gtk_widget_queue_resize (GTK_WIDGET (toolbar)); priv->need_rebuild = TRUE; return content; } static void toolbar_content_remove (ToolbarContent *content, GtkToolbar *toolbar) { GtkToolbarPrivate *priv; priv = GTK_TOOLBAR_GET_PRIVATE (toolbar); gtk_widget_unparent (GTK_WIDGET (content->item)); priv->content = g_list_remove (priv->content, content); if (!toolbar_content_is_placeholder (content)) toolbar->num_children--; gtk_widget_queue_resize (GTK_WIDGET (toolbar)); priv->need_rebuild = TRUE; } static void toolbar_content_free (ToolbarContent *content) { g_slice_free (ToolbarContent, content); } static gint calculate_max_homogeneous_pixels (GtkWidget *widget) { PangoContext *context; PangoFontMetrics *metrics; gint char_width; context = gtk_widget_get_pango_context (widget); metrics = pango_context_get_metrics (context, widget->style->font_desc, pango_context_get_language (context)); char_width = pango_font_metrics_get_approximate_char_width (metrics); pango_font_metrics_unref (metrics); return PANGO_PIXELS (MAX_HOMOGENEOUS_N_CHARS * char_width); } static void toolbar_content_expose (ToolbarContent *content, GtkContainer *container, GdkEventExpose *expose) { GtkWidget *widget; if (!content->is_placeholder) widget = GTK_WIDGET (content->item); if (widget) gtk_container_propagate_expose (container, widget, expose); } static gboolean toolbar_content_visible (ToolbarContent *content, GtkToolbar *toolbar) { GtkToolItem *item; item = content->item; if (!gtk_widget_get_visible (GTK_WIDGET (item))) return FALSE; if (toolbar->orientation == GTK_ORIENTATION_HORIZONTAL && gtk_tool_item_get_visible_horizontal (item)) return TRUE; if (toolbar->orientation == GTK_ORIENTATION_VERTICAL && gtk_tool_item_get_visible_vertical (item)) return TRUE; return FALSE; } static void toolbar_content_size_request (ToolbarContent *content, GtkToolbar *toolbar, GtkRequisition *requisition) { gtk_widget_size_request (GTK_WIDGET (content->item), requisition); if (content->is_placeholder && content->disappearing) { requisition->width = 0; requisition->height = 0; } } static gboolean toolbar_content_is_homogeneous (ToolbarContent *content, GtkToolbar *toolbar) { GtkRequisition requisition; GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (toolbar); gboolean result; if (priv->max_homogeneous_pixels < 0) { priv->max_homogeneous_pixels = calculate_max_homogeneous_pixels (GTK_WIDGET (toolbar)); } toolbar_content_size_request (content, toolbar, &requisition); if (requisition.width > priv->max_homogeneous_pixels) return FALSE; result = gtk_tool_item_get_homogeneous (content->item) && !GTK_IS_SEPARATOR_TOOL_ITEM (content->item); if (gtk_tool_item_get_is_important (content->item) && toolbar->style == GTK_TOOLBAR_BOTH_HORIZ && toolbar->orientation == GTK_ORIENTATION_HORIZONTAL) { result = FALSE; } return result; } static gboolean toolbar_content_is_placeholder (ToolbarContent *content) { if (content->is_placeholder) return TRUE; return FALSE; } static gboolean toolbar_content_disappearing (ToolbarContent *content) { if (content->disappearing) return TRUE; return FALSE; } static ItemState toolbar_content_get_state (ToolbarContent *content) { return content->state; } static gboolean toolbar_content_child_visible (ToolbarContent *content) { return GTK_WIDGET_CHILD_VISIBLE (content->item); } static void toolbar_content_get_goal_allocation (ToolbarContent *content, GtkAllocation *allocation) { *allocation = content->goal_allocation; } static void toolbar_content_get_allocation (ToolbarContent *content, GtkAllocation *allocation) { gtk_widget_get_allocation (GTK_WIDGET (content->item), allocation); } static void toolbar_content_set_start_allocation (ToolbarContent *content, GtkAllocation *allocation) { content->start_allocation = *allocation; } static gboolean toolbar_content_get_expand (ToolbarContent *content) { if (!content->disappearing && gtk_tool_item_get_expand (content->item)) return TRUE; return FALSE; } static void toolbar_content_set_goal_allocation (ToolbarContent *content, GtkAllocation *allocation) { content->goal_allocation = *allocation; } static void toolbar_content_set_child_visible (ToolbarContent *content, GtkToolbar *toolbar, gboolean visible) { gtk_widget_set_child_visible (GTK_WIDGET (content->item), visible); } static void toolbar_content_get_start_allocation (ToolbarContent *content, GtkAllocation *start_allocation) { *start_allocation = content->start_allocation; } static void toolbar_content_size_allocate (ToolbarContent *content, GtkAllocation *allocation) { gtk_widget_size_allocate (GTK_WIDGET (content->item), allocation); } static void toolbar_content_set_state (ToolbarContent *content, ItemState state) { content->state = state; } static GtkWidget * toolbar_content_get_widget (ToolbarContent *content) { return GTK_WIDGET (content->item); } static void toolbar_content_set_disappearing (ToolbarContent *content, gboolean disappearing) { content->disappearing = disappearing; } static void toolbar_content_set_size_request (ToolbarContent *content, gint width, gint height) { gtk_widget_set_size_request (GTK_WIDGET (content->item), width, height); } static void toolbar_content_toolbar_reconfigured (ToolbarContent *content, GtkToolbar *toolbar) { gtk_tool_item_toolbar_reconfigured (content->item); } static GtkWidget * toolbar_content_retrieve_menu_item (ToolbarContent *content) { return gtk_tool_item_retrieve_proxy_menu_item (content->item); } static gboolean toolbar_content_has_proxy_menu_item (ToolbarContent *content) { GtkWidget *menu_item; if (content->has_menu == YES) return TRUE; else if (content->has_menu == NO) return FALSE; menu_item = toolbar_content_retrieve_menu_item (content); content->has_menu = menu_item? YES : NO; return menu_item != NULL; } static void toolbar_content_set_unknown_menu_status (ToolbarContent *content) { content->has_menu = UNKNOWN; } static gboolean toolbar_content_is_separator (ToolbarContent *content) { return GTK_IS_SEPARATOR_TOOL_ITEM (content->item); } static void toolbar_content_set_expand (ToolbarContent *content, gboolean expand) { gtk_tool_item_set_expand (content->item, expand); } static void toolbar_content_show_all (ToolbarContent *content) { GtkWidget *widget; widget = toolbar_content_get_widget (content); if (widget) gtk_widget_show_all (widget); } static void toolbar_content_hide_all (ToolbarContent *content) { GtkWidget *widget; widget = toolbar_content_get_widget (content); if (widget) gtk_widget_hide_all (widget); } /* * Getters */ static GtkReliefStyle get_button_relief (GtkToolbar *toolbar) { GtkReliefStyle button_relief = GTK_RELIEF_NORMAL; gtk_widget_ensure_style (GTK_WIDGET (toolbar)); gtk_widget_style_get (GTK_WIDGET (toolbar), "button-relief", &button_relief, NULL); return button_relief; } static gint get_internal_padding (GtkToolbar *toolbar) { gint ipadding = 0; gtk_widget_style_get (GTK_WIDGET (toolbar), "internal-padding", &ipadding, NULL); return ipadding; } static gint get_max_child_expand (GtkToolbar *toolbar) { gint mexpand = G_MAXINT; gtk_widget_style_get (GTK_WIDGET (toolbar), "max-child-expand", &mexpand, NULL); return mexpand; } static GtkShadowType get_shadow_type (GtkToolbar *toolbar) { GtkShadowType shadow_type; gtk_widget_style_get (GTK_WIDGET (toolbar), "shadow-type", &shadow_type, NULL); return shadow_type; } /* GTK+ internal methods */ gint _gtk_toolbar_get_default_space_size (void) { return DEFAULT_SPACE_SIZE; } void _gtk_toolbar_paint_space_line (GtkWidget *widget, GtkToolbar *toolbar, const GdkRectangle *area, const GtkAllocation *allocation) { const double start_fraction = (SPACE_LINE_START / SPACE_LINE_DIVISION); const double end_fraction = (SPACE_LINE_END / SPACE_LINE_DIVISION); GtkOrientation orientation; g_return_if_fail (GTK_IS_WIDGET (widget)); orientation = toolbar? toolbar->orientation : GTK_ORIENTATION_HORIZONTAL; if (orientation == GTK_ORIENTATION_HORIZONTAL) { gboolean wide_separators; gint separator_width; gtk_widget_style_get (widget, "wide-separators", &wide_separators, "separator-width", &separator_width, NULL); if (wide_separators) gtk_paint_box (widget->style, widget->window, gtk_widget_get_state (widget), GTK_SHADOW_ETCHED_OUT, area, widget, "vseparator", allocation->x + (allocation->width - separator_width) / 2, allocation->y + allocation->height * start_fraction, separator_width, allocation->height * (end_fraction - start_fraction)); else gtk_paint_vline (widget->style, widget->window, gtk_widget_get_state (widget), area, widget, "toolbar", allocation->y + allocation->height * start_fraction, allocation->y + allocation->height * end_fraction, allocation->x + (allocation->width - widget->style->xthickness) / 2); } else { gboolean wide_separators; gint separator_height; gtk_widget_style_get (widget, "wide-separators", &wide_separators, "separator-height", &separator_height, NULL); if (wide_separators) gtk_paint_box (widget->style, widget->window, gtk_widget_get_state (widget), GTK_SHADOW_ETCHED_OUT, area, widget, "hseparator", allocation->x + allocation->width * start_fraction, allocation->y + (allocation->height - separator_height) / 2, allocation->width * (end_fraction - start_fraction), separator_height); else gtk_paint_hline (widget->style, widget->window, gtk_widget_get_state (widget), area, widget, "toolbar", allocation->x + allocation->width * start_fraction, allocation->x + allocation->width * end_fraction, allocation->y + (allocation->height - widget->style->ythickness) / 2); } } gchar * _gtk_toolbar_elide_underscores (const gchar *original) { gchar *q, *result; const gchar *p, *end; gsize len; gboolean last_underscore; if (!original) return NULL; len = strlen (original); q = result = g_malloc (len + 1); last_underscore = FALSE; end = original + len; for (p = original; p < end; p++) { if (!last_underscore && *p == '_') last_underscore = TRUE; else { last_underscore = FALSE; if (original + 2 <= p && p + 1 <= end && p[-2] == '(' && p[-1] == '_' && p[0] != '_' && p[1] == ')') { q--; *q = '\0'; p++; } else *q++ = *p; } } if (last_underscore) *q++ = '_'; *q = '\0'; return result; } static GtkIconSize toolbar_get_icon_size (GtkToolShell *shell) { return GTK_TOOLBAR (shell)->icon_size; } static GtkOrientation toolbar_get_orientation (GtkToolShell *shell) { return GTK_TOOLBAR (shell)->orientation; } static GtkToolbarStyle toolbar_get_style (GtkToolShell *shell) { return GTK_TOOLBAR (shell)->style; } static GtkReliefStyle toolbar_get_relief_style (GtkToolShell *shell) { return get_button_relief (GTK_TOOLBAR (shell)); } static void toolbar_rebuild_menu (GtkToolShell *shell) { GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (shell); GList *list; priv->need_rebuild = TRUE; for (list = priv->content; list != NULL; list = list->next) { ToolbarContent *content = list->data; toolbar_content_set_unknown_menu_status (content); } gtk_widget_queue_resize (GTK_WIDGET (shell)); }