/* GTK - The GIMP Toolkit * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library 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 * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the Free * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include #include #include "gtkcontainer.h" #include "gtkmain.h" #include "gtkrc.h" #include "gtkselection.h" #include "gtksignal.h" #include "gtkwidget.h" #include "gtkwindow.h" #include "gtkprivate.h" #include "gdk/gdk.h" #include "gdk/gdkx.h" #define WIDGET_CLASS(w) GTK_WIDGET_CLASS (GTK_OBJECT (w)->klass) enum { SHOW, HIDE, MAP, UNMAP, REALIZE, UNREALIZE, DRAW, DRAW_FOCUS, DRAW_DEFAULT, SIZE_REQUEST, SIZE_ALLOCATE, STATE_CHANGED, PARENT_SET, STYLE_SET, INSTALL_ACCELERATOR, REMOVE_ACCELERATOR, EVENT, BUTTON_PRESS_EVENT, BUTTON_RELEASE_EVENT, MOTION_NOTIFY_EVENT, DELETE_EVENT, DESTROY_EVENT, EXPOSE_EVENT, KEY_PRESS_EVENT, KEY_RELEASE_EVENT, ENTER_NOTIFY_EVENT, LEAVE_NOTIFY_EVENT, CONFIGURE_EVENT, FOCUS_IN_EVENT, FOCUS_OUT_EVENT, MAP_EVENT, UNMAP_EVENT, PROPERTY_NOTIFY_EVENT, SELECTION_CLEAR_EVENT, SELECTION_REQUEST_EVENT, SELECTION_NOTIFY_EVENT, SELECTION_RECEIVED, PROXIMITY_IN_EVENT, PROXIMITY_OUT_EVENT, DRAG_BEGIN_EVENT, DRAG_REQUEST_EVENT, DRAG_END_EVENT, DROP_ENTER_EVENT, DROP_LEAVE_EVENT, DROP_DATA_AVAILABLE_EVENT, OTHER_EVENT, CLIENT_EVENT, NO_EXPOSE_EVENT, LAST_SIGNAL }; enum { ARG_0, ARG_NAME, ARG_PARENT, ARG_X, ARG_Y, ARG_WIDTH, ARG_HEIGHT, ARG_VISIBLE, ARG_SENSITIVE, ARG_CAN_FOCUS, ARG_HAS_FOCUS, ARG_CAN_DEFAULT, ARG_HAS_DEFAULT, ARG_STYLE, ARG_EVENTS, ARG_EXTENSION_EVENTS }; typedef void (*GtkWidgetSignal1) (GtkObject *object, gpointer arg1, gpointer data); typedef gint (*GtkWidgetSignal2) (GtkObject *object, gpointer arg1, gchar arg2, gchar arg3, gpointer data); typedef void (*GtkWidgetSignal3) (GtkObject *object, gpointer arg1, gpointer data); typedef gint (*GtkWidgetSignal4) (GtkObject *object, gpointer arg1, gpointer data); typedef void (*GtkWidgetSignal5) (GtkObject *object, guint arg1, gpointer data); typedef void (*GtkWidgetSignal6) (GtkObject *object, GtkObject *arg1, gpointer data); typedef void (*GtkWidgetSignal7) (GtkObject *object, gpointer arg1, gpointer data); typedef struct _GtkStateData GtkStateData; struct _GtkStateData { GtkStateType state; gint parent_sensitive; }; static void gtk_widget_marshal_signal_1 (GtkObject *object, GtkSignalFunc func, gpointer func_data, GtkArg *args); static void gtk_widget_marshal_signal_2 (GtkObject *object, GtkSignalFunc func, gpointer func_data, GtkArg *args); static void gtk_widget_marshal_signal_3 (GtkObject *object, GtkSignalFunc func, gpointer func_data, GtkArg *args); static void gtk_widget_marshal_signal_4 (GtkObject *object, GtkSignalFunc func, gpointer func_data, GtkArg *args); static void gtk_widget_marshal_signal_5 (GtkObject *object, GtkSignalFunc func, gpointer func_data, GtkArg *args); static void gtk_widget_marshal_signal_6 (GtkObject *object, GtkSignalFunc func, gpointer func_data, GtkArg *args); static void gtk_widget_marshal_signal_7 (GtkObject *object, GtkSignalFunc func, gpointer func_data, GtkArg *args); static void gtk_widget_class_init (GtkWidgetClass *klass); static void gtk_widget_init (GtkWidget *widget); static void gtk_widget_set_arg (GtkWidget *widget, GtkArg *arg, guint arg_id); static void gtk_widget_get_arg (GtkWidget *widget, GtkArg *arg, guint arg_id); static void gtk_widget_shutdown (GtkObject *object); static void gtk_widget_real_destroy (GtkObject *object); static void gtk_widget_finalize (GtkObject *object); static void gtk_widget_real_show (GtkWidget *widget); static void gtk_widget_real_hide (GtkWidget *widget); static void gtk_widget_real_map (GtkWidget *widget); static void gtk_widget_real_unmap (GtkWidget *widget); static void gtk_widget_real_realize (GtkWidget *widget); static void gtk_widget_real_unrealize (GtkWidget *widget); static void gtk_widget_real_draw (GtkWidget *widget, GdkRectangle *area); static gint gtk_widget_real_queue_draw (GtkWidget *widget); static void gtk_widget_real_size_allocate (GtkWidget *widget, GtkAllocation *allocation); static void gtk_widget_style_set (GtkWidget *widget, GtkStyle *previous_style); static GdkColormap* gtk_widget_peek_colormap (void); static GdkVisual* gtk_widget_peek_visual (void); static GtkStyle* gtk_widget_peek_style (void); static void gtk_widget_reparent_container_child (GtkWidget *widget, gpointer client_data); static void gtk_widget_propagate_state (GtkWidget *widget, GtkStateData *data); static void gtk_widget_draw_children_recurse (GtkWidget *widget, gpointer client_data); static void gtk_widget_set_style_internal (GtkWidget *widget, GtkStyle *style, gboolean initial_emission); static void gtk_widget_set_style_recurse (GtkWidget *widget, gpointer client_data); extern GtkArg* gtk_object_collect_args (guint *nargs, va_list args1, va_list args2); static GtkWidgetAuxInfo* gtk_widget_aux_info_new (void); static void gtk_widget_aux_info_destroy (GtkWidgetAuxInfo *aux_info); static GtkObjectClass *parent_class = NULL; static guint widget_signals[LAST_SIGNAL] = { 0 }; static GMemChunk *aux_info_mem_chunk = NULL; static GdkColormap *default_colormap = NULL; static GdkVisual *default_visual = NULL; static GtkStyle *default_style = NULL; static GSList *colormap_stack = NULL; static GSList *visual_stack = NULL; static GSList *style_stack = NULL; static GSList *gtk_widget_redraw_queue = NULL; static GSList *gtk_widget_resize_queue = NULL; static const gchar *aux_info_key = "gtk-aux-info"; static guint aux_info_key_id = 0; static const gchar *event_key = "gtk-event-mask"; static guint event_key_id = 0; static const gchar *extension_event_key = "gtk-extension-event-mode"; static guint extension_event_key_id = 0; static const gchar *parent_window_key = "gtk-parent-window"; static guint parent_window_key_id = 0; static const gchar *saved_default_style_key = "gtk-saved-default-style"; static guint saved_default_style_key_id = 0; static const gchar *shape_info_key = "gtk-shape-info"; static const gchar *colormap_key = "gtk-colormap"; static const gchar *visual_key = "gtk-visual"; /***************************************** * gtk_widget_get_type: * * arguments: * * results: *****************************************/ guint gtk_widget_get_type () { static guint widget_type = 0; if (!widget_type) { GtkTypeInfo widget_info = { "GtkWidget", sizeof (GtkWidget), sizeof (GtkWidgetClass), (GtkClassInitFunc) gtk_widget_class_init, (GtkObjectInitFunc) gtk_widget_init, (GtkArgSetFunc) gtk_widget_set_arg, (GtkArgGetFunc) gtk_widget_get_arg, }; widget_type = gtk_type_unique (gtk_object_get_type (), &widget_info); } return widget_type; } /***************************************** * gtk_widget_class_init: * * arguments: * * results: *****************************************/ static void gtk_widget_class_init (GtkWidgetClass *klass) { GtkObjectClass *object_class; object_class = (GtkObjectClass*) klass; parent_class = gtk_type_class (gtk_object_get_type ()); gtk_object_add_arg_type ("GtkWidget::name", GTK_TYPE_STRING, GTK_ARG_READWRITE, ARG_NAME); gtk_object_add_arg_type ("GtkWidget::parent", GTK_TYPE_CONTAINER, GTK_ARG_READWRITE, ARG_PARENT); gtk_object_add_arg_type ("GtkWidget::x", GTK_TYPE_INT, GTK_ARG_READWRITE, ARG_X); gtk_object_add_arg_type ("GtkWidget::y", GTK_TYPE_INT, GTK_ARG_READWRITE, ARG_Y); gtk_object_add_arg_type ("GtkWidget::width", GTK_TYPE_INT, GTK_ARG_READWRITE, ARG_WIDTH); gtk_object_add_arg_type ("GtkWidget::height", GTK_TYPE_INT, GTK_ARG_READWRITE, ARG_HEIGHT); gtk_object_add_arg_type ("GtkWidget::visible", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_VISIBLE); gtk_object_add_arg_type ("GtkWidget::sensitive", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_SENSITIVE); gtk_object_add_arg_type ("GtkWidget::can_focus", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_CAN_FOCUS); gtk_object_add_arg_type ("GtkWidget::has_focus", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_HAS_FOCUS); gtk_object_add_arg_type ("GtkWidget::can_default", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_CAN_DEFAULT); gtk_object_add_arg_type ("GtkWidget::has_default", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_HAS_DEFAULT); gtk_object_add_arg_type ("GtkWidget::style", GTK_TYPE_STYLE, GTK_ARG_READWRITE, ARG_STYLE); gtk_object_add_arg_type ("GtkWidget::events", GTK_TYPE_GDK_EVENT_MASK, GTK_ARG_READWRITE, ARG_EVENTS); gtk_object_add_arg_type ("GtkWidget::extension_events", GTK_TYPE_GDK_EVENT_MASK, GTK_ARG_READWRITE, ARG_EXTENSION_EVENTS); widget_signals[SHOW] = gtk_signal_new ("show", GTK_RUN_FIRST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, show), gtk_signal_default_marshaller, GTK_TYPE_NONE, 0); widget_signals[HIDE] = gtk_signal_new ("hide", GTK_RUN_FIRST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, hide), gtk_signal_default_marshaller, GTK_TYPE_NONE, 0); widget_signals[MAP] = gtk_signal_new ("map", GTK_RUN_FIRST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, map), gtk_signal_default_marshaller, GTK_TYPE_NONE, 0); widget_signals[UNMAP] = gtk_signal_new ("unmap", GTK_RUN_FIRST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, unmap), gtk_signal_default_marshaller, GTK_TYPE_NONE, 0); widget_signals[REALIZE] = gtk_signal_new ("realize", GTK_RUN_FIRST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, realize), gtk_signal_default_marshaller, GTK_TYPE_NONE, 0); widget_signals[UNREALIZE] = gtk_signal_new ("unrealize", GTK_RUN_FIRST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, unrealize), gtk_signal_default_marshaller, GTK_TYPE_NONE, 0); widget_signals[DRAW] = gtk_signal_new ("draw", GTK_RUN_FIRST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, draw), gtk_widget_marshal_signal_1, GTK_TYPE_NONE, 1, GTK_TYPE_POINTER); widget_signals[DRAW_FOCUS] = gtk_signal_new ("draw_focus", GTK_RUN_FIRST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, draw_focus), gtk_signal_default_marshaller, GTK_TYPE_NONE, 0); widget_signals[DRAW_DEFAULT] = gtk_signal_new ("draw_default", GTK_RUN_FIRST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, draw_default), gtk_signal_default_marshaller, GTK_TYPE_NONE, 0); widget_signals[SIZE_REQUEST] = gtk_signal_new ("size_request", GTK_RUN_FIRST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, size_request), gtk_widget_marshal_signal_1, GTK_TYPE_NONE, 1, GTK_TYPE_POINTER); widget_signals[SIZE_ALLOCATE] = gtk_signal_new ("size_allocate", GTK_RUN_FIRST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, size_allocate), gtk_widget_marshal_signal_1, GTK_TYPE_NONE, 1, GTK_TYPE_POINTER); widget_signals[STATE_CHANGED] = gtk_signal_new ("state_changed", GTK_RUN_FIRST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, state_changed), gtk_widget_marshal_signal_5, GTK_TYPE_NONE, 1, GTK_TYPE_UINT); widget_signals[PARENT_SET] = gtk_signal_new ("parent_set", GTK_RUN_FIRST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, parent_set), gtk_widget_marshal_signal_6, GTK_TYPE_NONE, 1, GTK_TYPE_OBJECT); widget_signals[STYLE_SET] = gtk_signal_new ("style_set", GTK_RUN_FIRST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, style_set), gtk_widget_marshal_signal_7, GTK_TYPE_NONE, 1, GTK_TYPE_BOXED); widget_signals[INSTALL_ACCELERATOR] = gtk_signal_new ("install_accelerator", GTK_RUN_FIRST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, install_accelerator), gtk_widget_marshal_signal_2, GTK_TYPE_BOOL, 3, GTK_TYPE_STRING, GTK_TYPE_CHAR, GTK_TYPE_INT); widget_signals[REMOVE_ACCELERATOR] = gtk_signal_new ("remove_accelerator", GTK_RUN_FIRST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, remove_accelerator), gtk_widget_marshal_signal_3, GTK_TYPE_NONE, 1, GTK_TYPE_STRING); widget_signals[EVENT] = gtk_signal_new ("event", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, event), gtk_widget_marshal_signal_4, GTK_TYPE_BOOL, 1, GTK_TYPE_GDK_EVENT); widget_signals[BUTTON_PRESS_EVENT] = gtk_signal_new ("button_press_event", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, button_press_event), gtk_widget_marshal_signal_4, GTK_TYPE_BOOL, 1, GTK_TYPE_GDK_EVENT); widget_signals[BUTTON_RELEASE_EVENT] = gtk_signal_new ("button_release_event", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, button_release_event), gtk_widget_marshal_signal_4, GTK_TYPE_BOOL, 1, GTK_TYPE_GDK_EVENT); widget_signals[MOTION_NOTIFY_EVENT] = gtk_signal_new ("motion_notify_event", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, motion_notify_event), gtk_widget_marshal_signal_4, GTK_TYPE_BOOL, 1, GTK_TYPE_GDK_EVENT); widget_signals[DELETE_EVENT] = gtk_signal_new ("delete_event", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, delete_event), gtk_widget_marshal_signal_4, GTK_TYPE_BOOL, 1, GTK_TYPE_GDK_EVENT); widget_signals[DESTROY_EVENT] = gtk_signal_new ("destroy_event", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, destroy_event), gtk_widget_marshal_signal_4, GTK_TYPE_BOOL, 1, GTK_TYPE_GDK_EVENT); widget_signals[EXPOSE_EVENT] = gtk_signal_new ("expose_event", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, expose_event), gtk_widget_marshal_signal_4, GTK_TYPE_BOOL, 1, GTK_TYPE_GDK_EVENT); widget_signals[KEY_PRESS_EVENT] = gtk_signal_new ("key_press_event", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, key_press_event), gtk_widget_marshal_signal_4, GTK_TYPE_BOOL, 1, GTK_TYPE_GDK_EVENT); widget_signals[KEY_RELEASE_EVENT] = gtk_signal_new ("key_release_event", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, key_release_event), gtk_widget_marshal_signal_4, GTK_TYPE_BOOL, 1, GTK_TYPE_GDK_EVENT); widget_signals[ENTER_NOTIFY_EVENT] = gtk_signal_new ("enter_notify_event", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, enter_notify_event), gtk_widget_marshal_signal_4, GTK_TYPE_BOOL, 1, GTK_TYPE_GDK_EVENT); widget_signals[LEAVE_NOTIFY_EVENT] = gtk_signal_new ("leave_notify_event", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, leave_notify_event), gtk_widget_marshal_signal_4, GTK_TYPE_BOOL, 1, GTK_TYPE_GDK_EVENT); widget_signals[CONFIGURE_EVENT] = gtk_signal_new ("configure_event", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, configure_event), gtk_widget_marshal_signal_4, GTK_TYPE_BOOL, 1, GTK_TYPE_GDK_EVENT); widget_signals[FOCUS_IN_EVENT] = gtk_signal_new ("focus_in_event", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, focus_in_event), gtk_widget_marshal_signal_4, GTK_TYPE_BOOL, 1, GTK_TYPE_GDK_EVENT); widget_signals[FOCUS_OUT_EVENT] = gtk_signal_new ("focus_out_event", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, focus_out_event), gtk_widget_marshal_signal_4, GTK_TYPE_BOOL, 1, GTK_TYPE_GDK_EVENT); widget_signals[MAP_EVENT] = gtk_signal_new ("map_event", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, map_event), gtk_widget_marshal_signal_4, GTK_TYPE_BOOL, 1, GTK_TYPE_GDK_EVENT); widget_signals[UNMAP_EVENT] = gtk_signal_new ("unmap_event", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, unmap_event), gtk_widget_marshal_signal_4, GTK_TYPE_BOOL, 1, GTK_TYPE_GDK_EVENT); widget_signals[PROPERTY_NOTIFY_EVENT] = gtk_signal_new ("property_notify_event", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, property_notify_event), gtk_widget_marshal_signal_4, GTK_TYPE_BOOL, 1, GTK_TYPE_GDK_EVENT); widget_signals[SELECTION_CLEAR_EVENT] = gtk_signal_new ("selection_clear_event", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, selection_clear_event), gtk_widget_marshal_signal_4, GTK_TYPE_BOOL, 1, GTK_TYPE_GDK_EVENT); widget_signals[SELECTION_REQUEST_EVENT] = gtk_signal_new ("selection_request_event", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, selection_request_event), gtk_widget_marshal_signal_4, GTK_TYPE_BOOL, 1, GTK_TYPE_GDK_EVENT); widget_signals[SELECTION_NOTIFY_EVENT] = gtk_signal_new ("selection_notify_event", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, selection_notify_event), gtk_widget_marshal_signal_4, GTK_TYPE_BOOL, 1, GTK_TYPE_GDK_EVENT); widget_signals[SELECTION_RECEIVED] = gtk_signal_new ("selection_received", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, selection_received), gtk_widget_marshal_signal_1, GTK_TYPE_BOOL, 1, GTK_TYPE_GDK_EVENT); widget_signals[PROXIMITY_IN_EVENT] = gtk_signal_new ("proximity_in_event", GTK_RUN_FIRST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, proximity_in_event), gtk_widget_marshal_signal_4, GTK_TYPE_BOOL, 1, GTK_TYPE_GDK_EVENT); widget_signals[PROXIMITY_OUT_EVENT] = gtk_signal_new ("proximity_out_event", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, proximity_out_event), gtk_widget_marshal_signal_4, GTK_TYPE_BOOL, 1, GTK_TYPE_GDK_EVENT); widget_signals[DRAG_BEGIN_EVENT] = gtk_signal_new ("drag_begin_event", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, drag_begin_event), gtk_widget_marshal_signal_4, GTK_TYPE_BOOL, 1, GTK_TYPE_GDK_EVENT); widget_signals[DRAG_REQUEST_EVENT] = gtk_signal_new ("drag_request_event", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, drag_request_event), gtk_widget_marshal_signal_4, GTK_TYPE_BOOL, 1, GTK_TYPE_GDK_EVENT); widget_signals[DRAG_END_EVENT] = gtk_signal_new ("drag_end_event", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, drag_end_event), gtk_widget_marshal_signal_4, GTK_TYPE_BOOL, 1, GTK_TYPE_GDK_EVENT); widget_signals[DROP_ENTER_EVENT] = gtk_signal_new ("drop_enter_event", GTK_RUN_FIRST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, drop_enter_event), gtk_widget_marshal_signal_4, GTK_TYPE_BOOL, 1, GTK_TYPE_GDK_EVENT); widget_signals[DROP_LEAVE_EVENT] = gtk_signal_new ("drop_leave_event", GTK_RUN_FIRST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, drop_leave_event), gtk_widget_marshal_signal_4, GTK_TYPE_BOOL, 1, GTK_TYPE_GDK_EVENT); widget_signals[DROP_DATA_AVAILABLE_EVENT] = gtk_signal_new ("drop_data_available_event", GTK_RUN_FIRST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, drop_data_available_event), gtk_widget_marshal_signal_4, GTK_TYPE_BOOL, 1, GTK_TYPE_GDK_EVENT); widget_signals[OTHER_EVENT] = gtk_signal_new ("other_event", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, other_event), gtk_widget_marshal_signal_4, GTK_TYPE_BOOL, 1, GTK_TYPE_GDK_EVENT); widget_signals[CLIENT_EVENT] = gtk_signal_new ("client_event", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, client_event), gtk_widget_marshal_signal_4, GTK_TYPE_BOOL, 1, GTK_TYPE_GDK_EVENT); widget_signals[NO_EXPOSE_EVENT] = gtk_signal_new ("no_expose_event", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (GtkWidgetClass, no_expose_event), gtk_widget_marshal_signal_4, GTK_TYPE_BOOL, 1, GTK_TYPE_GDK_EVENT); gtk_object_class_add_signals (object_class, widget_signals, LAST_SIGNAL); object_class->shutdown = gtk_widget_shutdown; object_class->destroy = gtk_widget_real_destroy; object_class->finalize = gtk_widget_finalize; klass->activate_signal = 0; klass->show = gtk_widget_real_show; klass->hide = gtk_widget_real_hide; klass->show_all = gtk_widget_real_show; klass->hide_all = gtk_widget_real_hide; klass->map = gtk_widget_real_map; klass->unmap = gtk_widget_real_unmap; klass->realize = gtk_widget_real_realize; klass->unrealize = gtk_widget_real_unrealize; klass->draw = gtk_widget_real_draw; klass->draw_focus = NULL; klass->size_request = NULL; klass->size_allocate = gtk_widget_real_size_allocate; klass->state_changed = NULL; klass->parent_set = NULL; klass->style_set = gtk_widget_style_set; klass->install_accelerator = NULL; klass->remove_accelerator = NULL; klass->event = NULL; klass->button_press_event = NULL; klass->button_release_event = NULL; klass->motion_notify_event = NULL; klass->delete_event = NULL; klass->destroy_event = NULL; klass->expose_event = NULL; klass->key_press_event = NULL; klass->key_release_event = NULL; klass->enter_notify_event = NULL; klass->leave_notify_event = NULL; klass->configure_event = NULL; klass->focus_in_event = NULL; klass->focus_out_event = NULL; klass->map_event = NULL; klass->unmap_event = NULL; klass->property_notify_event = gtk_selection_property_notify; klass->selection_clear_event = gtk_selection_clear; klass->selection_request_event = gtk_selection_request; klass->selection_notify_event = gtk_selection_notify; klass->selection_received = NULL; klass->proximity_in_event = NULL; klass->proximity_out_event = NULL; klass->drag_begin_event = NULL; klass->drag_request_event = NULL; klass->drop_enter_event = NULL; klass->drop_leave_event = NULL; klass->drop_data_available_event = NULL; klass->other_event = NULL; klass->no_expose_event = NULL; } /***************************************** * gtk_widget_set_arg: * * arguments: * * results: *****************************************/ static void gtk_widget_set_arg (GtkWidget *widget, GtkArg *arg, guint arg_id) { switch (arg_id) { case ARG_NAME: gtk_widget_set_name (widget, GTK_VALUE_STRING (*arg)); break; case ARG_PARENT: gtk_container_add (GTK_CONTAINER (GTK_VALUE_OBJECT (*arg)), widget); break; case ARG_X: gtk_widget_set_uposition (widget, GTK_VALUE_INT (*arg), -2); break; case ARG_Y: gtk_widget_set_uposition (widget, -2, GTK_VALUE_INT (*arg)); break; case ARG_WIDTH: gtk_widget_set_usize (widget, GTK_VALUE_INT (*arg), -1); break; case ARG_HEIGHT: gtk_widget_set_usize (widget, -1, GTK_VALUE_INT (*arg)); break; case ARG_VISIBLE: if (GTK_VALUE_BOOL(*arg)) gtk_widget_show (widget); else gtk_widget_hide (widget); break; case ARG_SENSITIVE: gtk_widget_set_sensitive (widget, GTK_VALUE_BOOL (*arg)); break; case ARG_CAN_FOCUS: if (GTK_VALUE_BOOL (*arg)) GTK_WIDGET_SET_FLAGS (widget, GTK_CAN_FOCUS); else GTK_WIDGET_UNSET_FLAGS (widget, GTK_CAN_FOCUS); break; case ARG_HAS_FOCUS: if (GTK_VALUE_BOOL (*arg)) gtk_widget_grab_focus (widget); break; case ARG_CAN_DEFAULT: if (GTK_VALUE_BOOL (*arg)) GTK_WIDGET_SET_FLAGS (widget, GTK_CAN_DEFAULT); else GTK_WIDGET_UNSET_FLAGS (widget, GTK_CAN_DEFAULT); break; case ARG_HAS_DEFAULT: if (GTK_VALUE_BOOL (*arg)) gtk_widget_grab_default (widget); break; case ARG_STYLE: gtk_widget_set_style (widget, (GtkStyle*) GTK_VALUE_BOXED (*arg)); break; case ARG_EVENTS: gtk_widget_set_events (widget, GTK_VALUE_FLAGS (*arg)); break; case ARG_EXTENSION_EVENTS: gtk_widget_set_extension_events (widget, GTK_VALUE_FLAGS (*arg)); break; default: arg->type = GTK_TYPE_INVALID; break; } } /***************************************** * gtk_widget_get_arg: * * arguments: * * results: *****************************************/ static void gtk_widget_get_arg (GtkWidget *widget, GtkArg *arg, guint arg_id) { GtkWidgetAuxInfo *aux_info; gint *eventp; GdkExtensionMode *modep; switch (arg_id) { case ARG_NAME: if (widget->name) GTK_VALUE_STRING (*arg) = g_strdup (widget->name); else GTK_VALUE_STRING (*arg) = g_strdup (""); break; case ARG_PARENT: GTK_VALUE_OBJECT (*arg) = (GtkObject*) widget->parent; break; case ARG_X: aux_info = gtk_object_get_data_by_id (GTK_OBJECT (widget), aux_info_key_id); if (!aux_info) GTK_VALUE_INT (*arg) = -2; else GTK_VALUE_INT (*arg) = aux_info->x; break; case ARG_Y: aux_info = gtk_object_get_data_by_id (GTK_OBJECT (widget), aux_info_key_id); if (!aux_info) GTK_VALUE_INT (*arg) = -2; else GTK_VALUE_INT (*arg) = aux_info->y; break; case ARG_WIDTH: aux_info = gtk_object_get_data_by_id (GTK_OBJECT (widget), aux_info_key_id); if (!aux_info) GTK_VALUE_INT (*arg) = -2; else GTK_VALUE_INT (*arg) = aux_info->width; break; case ARG_HEIGHT: aux_info = gtk_object_get_data_by_id (GTK_OBJECT (widget), aux_info_key_id); if (!aux_info) GTK_VALUE_INT (*arg) = -2; else GTK_VALUE_INT (*arg) = aux_info->height; break; case ARG_VISIBLE: GTK_VALUE_BOOL (*arg) = (GTK_WIDGET_VISIBLE (widget) != FALSE); break; case ARG_SENSITIVE: GTK_VALUE_BOOL (*arg) = (GTK_WIDGET_SENSITIVE (widget) != FALSE); break; case ARG_CAN_FOCUS: GTK_VALUE_BOOL (*arg) = (GTK_WIDGET_CAN_FOCUS (widget) != FALSE); break; case ARG_HAS_FOCUS: GTK_VALUE_BOOL (*arg) = (GTK_WIDGET_HAS_FOCUS (widget) != FALSE); break; case ARG_CAN_DEFAULT: GTK_VALUE_BOOL (*arg) = (GTK_WIDGET_CAN_DEFAULT (widget) != FALSE); break; case ARG_HAS_DEFAULT: GTK_VALUE_BOOL (*arg) = (GTK_WIDGET_HAS_DEFAULT (widget) != FALSE); break; case ARG_STYLE: GTK_VALUE_BOXED (*arg) = (gpointer) gtk_widget_get_style (widget); break; case ARG_EVENTS: eventp = gtk_object_get_data_by_id (GTK_OBJECT (widget), event_key_id); if (!eventp) GTK_VALUE_FLAGS (*arg) = 0; else GTK_VALUE_FLAGS (*arg) = *eventp; break; case ARG_EXTENSION_EVENTS: modep = gtk_object_get_data_by_id (GTK_OBJECT (widget), extension_event_key_id); if (!modep) GTK_VALUE_FLAGS (*arg) = 0; else GTK_VALUE_FLAGS (*arg) = *modep; break; default: arg->type = GTK_TYPE_INVALID; break; } } /***************************************** * gtk_widget_init: * * arguments: * * results: *****************************************/ static void gtk_widget_init (GtkWidget *widget) { GdkColormap *colormap; GdkVisual *visual; GTK_PRIVATE_FLAGS (widget) = 0; widget->state = GTK_STATE_NORMAL; widget->saved_state = GTK_STATE_NORMAL; widget->name = NULL; widget->requisition.width = 0; widget->requisition.height = 0; widget->allocation.x = -1; widget->allocation.y = -1; widget->allocation.width = 1; widget->allocation.height = 1; widget->window = NULL; widget->parent = NULL; GTK_WIDGET_SET_FLAGS (widget, GTK_SENSITIVE | GTK_PARENT_SENSITIVE); widget->style = gtk_widget_peek_style (); gtk_style_ref (widget->style); colormap = gtk_widget_peek_colormap (); visual = gtk_widget_peek_visual (); /* XXX - should we ref the colormap and visual, too? */ if (colormap != gtk_widget_get_default_colormap ()) { /* gdk_colormap_ref (colormap); */ gtk_object_set_data (GTK_OBJECT (widget), colormap_key, colormap); } if (visual != gtk_widget_get_default_visual ()) { /* gdk_visual_ref (visual); */ gtk_object_set_data (GTK_OBJECT (widget), visual_key, visual); } } /***************************************** * gtk_widget_new: * * arguments: * * results: *****************************************/ GtkWidget* gtk_widget_new (guint type, ...) { GtkObject *obj; GtkArg *args; guint nargs; va_list args1; va_list args2; g_return_val_if_fail (gtk_type_is_a (type, gtk_widget_get_type ()), NULL); obj = gtk_type_new (type); va_start (args1, type); va_start (args2, type); args = gtk_object_collect_args (&nargs, args1, args2); gtk_object_setv (obj, nargs, args); g_free (args); va_end (args1); va_end (args2); return GTK_WIDGET (obj); } /***************************************** * gtk_widget_newv: * * arguments: * * results: *****************************************/ GtkWidget* gtk_widget_newv (guint type, guint nargs, GtkArg *args) { g_return_val_if_fail (gtk_type_is_a (type, gtk_widget_get_type ()), NULL); return GTK_WIDGET (gtk_object_newv (type, nargs, args)); } /***************************************** * gtk_widget_get: * * arguments: * * results: *****************************************/ void gtk_widget_get (GtkWidget *widget, GtkArg *arg) { g_return_if_fail (widget != NULL); g_return_if_fail (arg != NULL); gtk_object_getv (GTK_OBJECT (widget), 1, arg); } /***************************************** * gtk_widget_getv: * * arguments: * * results: *****************************************/ void gtk_widget_getv (GtkWidget *widget, guint nargs, GtkArg *args) { gtk_object_getv (GTK_OBJECT (widget), nargs, args); } /***************************************** * gtk_widget_set: * * arguments: * * results: *****************************************/ void gtk_widget_set (GtkWidget *widget, ...) { GtkArg *args; guint nargs; va_list args1; va_list args2; g_return_if_fail (widget != NULL); va_start (args1, widget); va_start (args2, widget); args = gtk_object_collect_args (&nargs, args1, args2); gtk_object_setv (GTK_OBJECT (widget), nargs, args); g_free (args); va_end (args1); va_end (args2); } /***************************************** * gtk_widget_setv: * * arguments: * * results: *****************************************/ void gtk_widget_setv (GtkWidget *widget, guint nargs, GtkArg *args) { gtk_object_setv (GTK_OBJECT (widget), nargs, args); } /***************************************** * gtk_widget_unparent: * do any cleanup necessary necessary * for setting parent = NULL. * * arguments: * * results: *****************************************/ void gtk_widget_unparent (GtkWidget *widget) { GtkWidget *toplevel; GtkWidget *child; GtkWidget *old_parent; g_return_if_fail (widget != NULL); if (widget->parent == NULL) return; /* keep this function in sync with gtk_menu_detach() */ toplevel = gtk_widget_get_toplevel (widget); if (GTK_IS_WINDOW (toplevel)) { child = GTK_WINDOW (toplevel)->focus_widget; while (child && child != widget) child = child->parent; if (child == widget) gtk_window_set_focus (GTK_WINDOW (toplevel), NULL); } if (GTK_WIDGET_RESIZE_NEEDED (widget)) { GTK_CONTAINER (toplevel)->resize_widgets = g_slist_remove (GTK_CONTAINER (toplevel)->resize_widgets, widget); GTK_PRIVATE_UNSET_FLAG (widget, GTK_RESIZE_NEEDED); } /* Reset the width and height here, to force reallocation if we * get added back to a new parent. This won't work if our new * allocation is smaller than 1x1 and we actually want a size of 1x1... * (would 0x0 be OK here?) */ widget->allocation.width = 1; widget->allocation.height = 1; if (widget->window && GTK_WIDGET_NO_WINDOW (widget) && GTK_WIDGET_DRAWABLE (widget)) gdk_window_clear_area (widget->window, widget->allocation.x, widget->allocation.y, widget->allocation.width, widget->allocation.height); if (GTK_WIDGET_REALIZED (widget) && !GTK_WIDGET_IN_REPARENT (widget)) gtk_widget_unrealize (widget); old_parent = widget->parent; widget->parent = NULL; gtk_widget_set_parent_window (widget, NULL); gtk_signal_emit (GTK_OBJECT (widget), widget_signals[PARENT_SET], old_parent); gtk_widget_unref (widget); } /***************************************** * gtk_widget_destroy: * * arguments: * * results: *****************************************/ void gtk_widget_destroy (GtkWidget *widget) { g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_WIDGET (widget)); gtk_object_destroy (GTK_OBJECT (widget)); } /***************************************** * gtk_widget_destroyed: * Utility function: sets widget_pointer * to NULL when widget is destroyed. * * arguments: * * results: *****************************************/ void gtk_widget_destroyed (GtkWidget *widget, GtkWidget **widget_pointer) { /* Don't make any assumptions about the * value of widget! * Even check widget_pointer. */ if (widget_pointer) *widget_pointer = NULL; } /***************************************** * gtk_widget_show: * * arguments: * * results: *****************************************/ void gtk_widget_show (GtkWidget *widget) { g_return_if_fail (widget != NULL); if (!GTK_WIDGET_VISIBLE (widget)) gtk_signal_emit (GTK_OBJECT (widget), widget_signals[SHOW]); } /***************************************** * gtk_widget_hide: * * arguments: * * results: *****************************************/ void gtk_widget_hide (GtkWidget *widget) { g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_WIDGET (widget)); if (GTK_WIDGET_VISIBLE (widget)) gtk_signal_emit (GTK_OBJECT (widget), widget_signals[HIDE]); } gint gtk_widget_hide_on_delete (GtkWidget *widget) { g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (GTK_IS_WIDGET (widget), FALSE); gtk_widget_hide (widget); return TRUE; } /***************************************** * gtk_widget_show_all: * * Shows the widget and all children. * * Container classes overwrite * show_all and hide_all to call * show_all (hide_all) on both themselves * and on their child widgets. * * arguments: * * results: *****************************************/ void gtk_widget_show_all (GtkWidget *widget) { GtkWidgetClass *widget_class; g_return_if_fail (widget != NULL); /* show_all shouldn't be invoked through a signal, because in this case it would be quite slow - there would be a show and show_all signal emitted for every child widget. */ widget_class = GTK_WIDGET_CLASS(GTK_OBJECT(widget)->klass); widget_class->show_all (widget); } /***************************************** * gtk_widget_hide_all: * * Hides the widget and all children. * See gtk_widget_show_all. * * arguments: * * results: *****************************************/ void gtk_widget_hide_all (GtkWidget *widget) { g_return_if_fail (widget != NULL); g_assert (widget->parent); if (GTK_WIDGET_RESIZE_NEEDED (widget)) { GtkWidget *toplevel; toplevel = gtk_widget_get_toplevel (widget); GTK_CONTAINER (toplevel)->resize_widgets = g_slist_remove (GTK_CONTAINER (toplevel)->resize_widgets, widget); GTK_PRIVATE_UNSET_FLAG (widget, GTK_RESIZE_NEEDED); } GTK_WIDGET_CLASS (GTK_OBJECT (widget)->klass)->hide_all (widget); } /***************************************** * gtk_widget_map: * * arguments: * * results: *****************************************/ void gtk_widget_map (GtkWidget *widget) { g_return_if_fail (widget != NULL); if (!GTK_WIDGET_MAPPED (widget)) { if (!GTK_WIDGET_REALIZED (widget)) gtk_widget_realize (widget); gtk_signal_emit (GTK_OBJECT (widget), widget_signals[MAP]); } } /***************************************** * gtk_widget_unmap: * * arguments: * * results: *****************************************/ void gtk_widget_unmap (GtkWidget *widget) { g_return_if_fail (widget != NULL); if (GTK_WIDGET_MAPPED (widget)) gtk_signal_emit (GTK_OBJECT (widget), widget_signals[UNMAP]); } /***************************************** * gtk_widget_realize: * * arguments: * * results: *****************************************/ void gtk_widget_realize (GtkWidget *widget) { gint events; GdkExtensionMode mode; GtkWidgetShapeInfo *shape_info; g_return_if_fail (widget != NULL); if (!GTK_WIDGET_REALIZED (widget)) { /* if (GTK_IS_CONTAINER (widget) && !GTK_WIDGET_NO_WINDOW (widget)) g_print ("%s\n", gtk_type_name (GTK_WIDGET_TYPE (widget))); */ if (widget->parent && !GTK_WIDGET_REALIZED (widget->parent)) gtk_widget_realize (widget->parent); gtk_widget_ensure_style (widget); gtk_signal_emit (GTK_OBJECT (widget), widget_signals[REALIZE]); if (GTK_WIDGET_HAS_SHAPE_MASK (widget)) { shape_info = gtk_object_get_data (GTK_OBJECT (widget), shape_info_key); gdk_window_shape_combine_mask (widget->window, shape_info->shape_mask, shape_info->offset_x, shape_info->offset_y); } if (!GTK_WIDGET_NO_WINDOW (widget)) { mode = gtk_widget_get_extension_events (widget); if (mode != GDK_EXTENSION_EVENTS_NONE) { events = gtk_widget_get_events (widget); gdk_input_set_extension_events (widget->window, events, mode); } } } } /***************************************** * gtk_widget_unrealize: * * arguments: * * results: *****************************************/ void gtk_widget_unrealize (GtkWidget *widget) { g_return_if_fail (widget != NULL); if (GTK_WIDGET_REDRAW_PENDING (widget)) { gtk_widget_redraw_queue = g_slist_remove (gtk_widget_redraw_queue, widget); GTK_PRIVATE_UNSET_FLAG (widget, GTK_REDRAW_PENDING); } if (GTK_WIDGET_HAS_SHAPE_MASK (widget)) gtk_widget_shape_combine_mask (widget, NULL, -1, -1); if (GTK_WIDGET_REALIZED (widget)) { gtk_signal_emit (GTK_OBJECT (widget), widget_signals[UNREALIZE]); GTK_WIDGET_UNSET_FLAGS (widget, GTK_REALIZED | GTK_MAPPED); } } /***************************************** * gtk_widget_queue_draw: * * arguments: * * results: *****************************************/ static gint gtk_widget_idle_draw (void *data) { GSList *node; node = gtk_widget_redraw_queue; gtk_widget_redraw_queue = NULL; while (node) { gtk_widget_real_queue_draw ((GtkWidget*) node->data); node = node->next; } return gtk_widget_redraw_queue != NULL; } void gtk_widget_queue_draw (GtkWidget *widget) { GtkWidget *parent; g_return_if_fail (widget != NULL); if (GTK_WIDGET_DRAWABLE (widget)) { /* We queue the redraw if: * a) the widget is not already queued for redraw and * b) non of the widgets ancestors are queued for redraw. */ parent = widget; while (parent) { if (GTK_WIDGET_REDRAW_PENDING (parent)) return; parent = parent->parent; } GTK_PRIVATE_SET_FLAG (widget, GTK_REDRAW_PENDING); if (gtk_widget_redraw_queue == NULL) gtk_idle_add_priority (GTK_PRIORITY_INTERNAL, (GtkFunction) gtk_widget_idle_draw, NULL); gtk_widget_redraw_queue = g_slist_prepend (gtk_widget_redraw_queue, widget); } } /***************************************** * gtk_widget_queue_resize: * * arguments: * * results: *****************************************/ static gint gtk_widget_idle_sizer (void *data) { GSList *slist, *free_slist; free_slist = gtk_widget_resize_queue; gtk_widget_resize_queue = NULL; for (slist = free_slist; slist; slist = slist->next) { GtkWidget *widget; widget = slist->data; GTK_PRIVATE_UNSET_FLAG (widget, GTK_RESIZE_PENDING); if (gtk_container_need_resize (GTK_CONTAINER (widget))) gtk_widget_queue_resize (widget); } g_slist_free (free_slist); return gtk_widget_resize_queue != NULL; } void gtk_widget_queue_resize (GtkWidget *widget) { GtkWidget *toplevel; g_return_if_fail (widget != NULL); toplevel = gtk_widget_get_toplevel (widget); if (GTK_WIDGET_TOPLEVEL (toplevel)) { if (GTK_WIDGET_VISIBLE (toplevel)) { if (!GTK_CONTAINER_RESIZE_PENDING (toplevel)) { GTK_PRIVATE_SET_FLAG (toplevel, GTK_RESIZE_PENDING); if (gtk_widget_resize_queue == NULL) gtk_idle_add_priority (GTK_PRIORITY_INTERNAL, (GtkFunction) gtk_widget_idle_sizer, NULL); gtk_widget_resize_queue = g_slist_prepend (gtk_widget_resize_queue, toplevel); } if (!GTK_WIDGET_RESIZE_NEEDED (widget)) { GTK_PRIVATE_SET_FLAG (widget, GTK_RESIZE_NEEDED); GTK_CONTAINER (toplevel)->resize_widgets = g_slist_prepend (GTK_CONTAINER (toplevel)->resize_widgets, widget); } else g_assert (g_slist_find (GTK_CONTAINER (toplevel)->resize_widgets, widget)); /* paranoid */ } else gtk_container_need_resize (GTK_CONTAINER (toplevel)); } } /***************************************** * gtk_widget_draw: * * arguments: * * results: *****************************************/ void gtk_widget_draw (GtkWidget *widget, GdkRectangle *area) { GdkRectangle temp_area; g_return_if_fail (widget != NULL); if (GTK_WIDGET_REDRAW_PENDING (widget)) { gtk_widget_redraw_queue = g_slist_remove (gtk_widget_redraw_queue, widget); GTK_PRIVATE_UNSET_FLAG (widget, GTK_REDRAW_PENDING); } if (GTK_WIDGET_DRAWABLE (widget)) { if (!area) { if (GTK_WIDGET_NO_WINDOW (widget)) { temp_area.x = widget->allocation.x; temp_area.y = widget->allocation.y; } else { temp_area.x = 0; temp_area.y = 0; } temp_area.width = widget->allocation.width; temp_area.height = widget->allocation.height; area = &temp_area; } gtk_signal_emit (GTK_OBJECT (widget), widget_signals[DRAW], area); } } /***************************************** * gtk_widget_draw_focus: * * arguments: * * results: *****************************************/ void gtk_widget_draw_focus (GtkWidget *widget) { g_return_if_fail (widget != NULL); gtk_signal_emit (GTK_OBJECT (widget), widget_signals[DRAW_FOCUS]); } /***************************************** * gtk_widget_draw_default: * * arguments: * * results: *****************************************/ void gtk_widget_draw_default (GtkWidget *widget) { g_return_if_fail (widget != NULL); gtk_signal_emit (GTK_OBJECT (widget), widget_signals[DRAW_DEFAULT]); } /***************************************** * gtk_widget_draw_children: * * arguments: * * results: *****************************************/ void gtk_widget_draw_children (GtkWidget *widget) { g_return_if_fail (widget != NULL); if (GTK_IS_CONTAINER (widget)) gtk_container_foreach (GTK_CONTAINER (widget), gtk_widget_draw_children_recurse, NULL); } /***************************************** * gtk_widget_size_request: * * arguments: * * results: *****************************************/ void gtk_widget_size_request (GtkWidget *widget, GtkRequisition *requisition) { GtkWidgetAuxInfo *aux_info; g_return_if_fail (widget != NULL); gtk_widget_ref (widget); gtk_widget_ensure_style (widget); gtk_signal_emit (GTK_OBJECT (widget), widget_signals[SIZE_REQUEST], requisition); aux_info = gtk_object_get_data_by_id (GTK_OBJECT (widget), aux_info_key_id); if (aux_info) { if (aux_info->width > 0) requisition->width = aux_info->width; if (aux_info->height > 0) requisition->height = aux_info->height; } gtk_widget_unref (widget); } /***************************************** * gtk_widget_size_allocate: * * arguments: * * results: *****************************************/ void gtk_widget_size_allocate (GtkWidget *widget, GtkAllocation *allocation) { GtkWidgetAuxInfo *aux_info; GtkAllocation real_allocation; g_return_if_fail (widget != NULL); real_allocation = *allocation; aux_info = gtk_object_get_data_by_id (GTK_OBJECT (widget), aux_info_key_id); if (aux_info) { if (aux_info->x != -1) real_allocation.x = aux_info->x; if (aux_info->y != -1) real_allocation.y = aux_info->y; } gtk_signal_emit (GTK_OBJECT (widget), widget_signals[SIZE_ALLOCATE], &real_allocation); } /***************************************** * gtk_widget_install_accelerator: * * arguments: * * results: *****************************************/ void gtk_widget_install_accelerator (GtkWidget *widget, GtkAcceleratorTable *table, const gchar *signal_name, gchar key, guint8 modifiers) { gint return_val; g_return_if_fail (widget != NULL); gtk_widget_ref (widget); return_val = TRUE; gtk_signal_emit (GTK_OBJECT (widget), widget_signals[INSTALL_ACCELERATOR], signal_name, key, modifiers, &return_val); if (return_val) gtk_accelerator_table_install (table, GTK_OBJECT (widget), signal_name, key, modifiers); gtk_widget_unref (widget); } /***************************************** * gtk_widget_remove_accelerator: * * arguments: * * results: *****************************************/ void gtk_widget_remove_accelerator (GtkWidget *widget, GtkAcceleratorTable *table, const gchar *signal_name) { g_return_if_fail (widget != NULL); gtk_widget_ref (widget); gtk_signal_emit (GTK_OBJECT (widget), widget_signals[REMOVE_ACCELERATOR], signal_name); gtk_accelerator_table_remove (table, GTK_OBJECT (widget), signal_name); gtk_widget_unref (widget); } /***************************************** * gtk_widget_event: * * arguments: * * results: *****************************************/ gint gtk_widget_event (GtkWidget *widget, GdkEvent *event) { gint return_val; gint signal_num; g_return_val_if_fail (widget != NULL, TRUE); gtk_widget_ref (widget); return_val = FALSE; gtk_signal_emit (GTK_OBJECT (widget), widget_signals[EVENT], event, &return_val); if (return_val || GTK_OBJECT_DESTROYED (widget)) { gtk_widget_unref (widget); return TRUE; } switch (event->type) { case GDK_NOTHING: signal_num = -1; break; case GDK_BUTTON_PRESS: case GDK_2BUTTON_PRESS: case GDK_3BUTTON_PRESS: signal_num = BUTTON_PRESS_EVENT; break; case GDK_BUTTON_RELEASE: signal_num = BUTTON_RELEASE_EVENT; break; case GDK_MOTION_NOTIFY: signal_num = MOTION_NOTIFY_EVENT; break; case GDK_DELETE: signal_num = DELETE_EVENT; break; case GDK_DESTROY: signal_num = DESTROY_EVENT; break; case GDK_KEY_PRESS: signal_num = KEY_PRESS_EVENT; break; case GDK_KEY_RELEASE: signal_num = KEY_RELEASE_EVENT; break; case GDK_ENTER_NOTIFY: signal_num = ENTER_NOTIFY_EVENT; break; case GDK_LEAVE_NOTIFY: signal_num = LEAVE_NOTIFY_EVENT; break; case GDK_FOCUS_CHANGE: if (event->focus_change.in) signal_num = FOCUS_IN_EVENT; else signal_num = FOCUS_OUT_EVENT; break; case GDK_CONFIGURE: signal_num = CONFIGURE_EVENT; break; case GDK_MAP: signal_num = MAP_EVENT; break; case GDK_UNMAP: signal_num = UNMAP_EVENT; break; case GDK_PROPERTY_NOTIFY: signal_num = PROPERTY_NOTIFY_EVENT; break; case GDK_SELECTION_CLEAR: signal_num = SELECTION_CLEAR_EVENT; break; case GDK_SELECTION_REQUEST: signal_num = SELECTION_REQUEST_EVENT; break; case GDK_SELECTION_NOTIFY: signal_num = SELECTION_NOTIFY_EVENT; break; case GDK_PROXIMITY_IN: signal_num = PROXIMITY_IN_EVENT; break; case GDK_PROXIMITY_OUT: signal_num = PROXIMITY_OUT_EVENT; break; case GDK_DRAG_BEGIN: signal_num = DRAG_BEGIN_EVENT; break; case GDK_DRAG_REQUEST: signal_num = DRAG_REQUEST_EVENT; break; case GDK_DROP_ENTER: signal_num = DROP_ENTER_EVENT; break; case GDK_DROP_LEAVE: signal_num = DROP_LEAVE_EVENT; break; case GDK_DROP_DATA_AVAIL: signal_num = DROP_DATA_AVAILABLE_EVENT; break; case GDK_OTHER_EVENT: signal_num = OTHER_EVENT; break; case GDK_NO_EXPOSE: signal_num = NO_EXPOSE_EVENT; break; case GDK_CLIENT_EVENT: signal_num = CLIENT_EVENT; break; case GDK_EXPOSE: /* there is no sense in providing a widget with bogus expose events */ if (!event->any.window) { gtk_widget_unref (widget); return TRUE; } signal_num = EXPOSE_EVENT; break; default: g_warning ("could not determine signal number for event: %d", event->type); gtk_widget_unref (widget); return TRUE; } if (signal_num != -1) gtk_signal_emit (GTK_OBJECT (widget), widget_signals[signal_num], event, &return_val); return_val |= GTK_OBJECT_DESTROYED (widget); gtk_widget_unref (widget); return return_val; } /***************************************** * gtk_widget_activate: * * arguments: * * results: *****************************************/ void gtk_widget_activate (GtkWidget *widget) { g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_WIDGET (widget)); if (WIDGET_CLASS (widget)->activate_signal) gtk_signal_emit (GTK_OBJECT (widget), WIDGET_CLASS (widget)->activate_signal); } /***************************************** * gtk_widget_reparent_container_child: * assistent function to gtk_widget_reparent * * arguments: * * results: *****************************************/ static void gtk_widget_reparent_container_child(GtkWidget *widget, gpointer client_data) { g_return_if_fail (widget != NULL); g_return_if_fail (client_data != NULL); if (GTK_WIDGET_NO_WINDOW (widget)) { if (widget->window) gdk_window_unref (widget->window); widget->window = (GdkWindow*) client_data; if (widget->window) gdk_window_ref (widget->window); if (GTK_IS_CONTAINER (widget)) gtk_container_foreach (GTK_CONTAINER (widget), gtk_widget_reparent_container_child, client_data); } else gdk_window_reparent (widget->window, (GdkWindow*) client_data, 0, 0); } /***************************************** * gtk_widget_reparent: * * arguments: * * results: *****************************************/ void gtk_widget_reparent (GtkWidget *widget, GtkWidget *new_parent) { g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_WIDGET (widget)); g_return_if_fail (new_parent != NULL); g_return_if_fail (GTK_IS_CONTAINER (new_parent)); g_return_if_fail (widget->parent != NULL); if (widget->parent != new_parent) { /* First try to see if we can get away without unrealizing * the widget as we reparent it. if so we set a flag so * that gtk_widget_unparent doesn't unrealize widget */ if (GTK_WIDGET_REALIZED (widget) && GTK_WIDGET_REALIZED (new_parent)) GTK_PRIVATE_SET_FLAG (widget, GTK_IN_REPARENT); gtk_widget_ref (widget); gtk_container_remove (GTK_CONTAINER (widget->parent), widget); gtk_container_add (GTK_CONTAINER (new_parent), widget); gtk_widget_unref (widget); if (GTK_WIDGET_IN_REPARENT (widget)) { GTK_PRIVATE_UNSET_FLAG (widget, GTK_IN_REPARENT); /* OK, now fix up the widget's window. (And that for any * children, if the widget is NO_WINDOW and a container) */ if (GTK_WIDGET_NO_WINDOW (widget)) { if (GTK_IS_CONTAINER (widget)) gtk_container_foreach (GTK_CONTAINER (widget), gtk_widget_reparent_container_child, gtk_widget_get_parent_window (widget)); else { GdkWindow *parent_window; parent_window = gtk_widget_get_parent_window (widget); if (parent_window != widget->window) { if (widget->window) gdk_window_unref (widget->window); widget->window = parent_window; if (widget->window) gdk_window_ref (widget->window); } } } else gdk_window_reparent (widget->window, gtk_widget_get_parent_window (widget), 0, 0); } } } /***************************************** * gtk_widget_popup: * * arguments: * * results: *****************************************/ void gtk_widget_popup (GtkWidget *widget, gint x, gint y) { g_return_if_fail (widget != NULL); if (!GTK_WIDGET_VISIBLE (widget)) { if (!GTK_WIDGET_REALIZED (widget)) gtk_widget_realize (widget); if (!GTK_WIDGET_NO_WINDOW (widget)) gdk_window_move (widget->window, x, y); gtk_widget_show (widget); } } /***************************************** * gtk_widget_intersect: * * arguments: * * results: *****************************************/ gint gtk_widget_intersect (GtkWidget *widget, GdkRectangle *area, GdkRectangle *intersection) { GdkRectangle *dest; GdkRectangle tmp; gint return_val; g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (area != NULL, FALSE); if (intersection) dest = intersection; else dest = &tmp; return_val = gdk_rectangle_intersect ((GdkRectangle*) &widget->allocation, area, dest); if (return_val && intersection && !GTK_WIDGET_NO_WINDOW (widget)) { intersection->x -= widget->allocation.x; intersection->y -= widget->allocation.y; } return return_val; } gint gtk_widget_basic (GtkWidget *widget) { GList *children; GList *tmp_list; gint return_val; g_return_val_if_fail (widget != NULL, FALSE); if (!GTK_WIDGET_BASIC (widget)) return FALSE; else if (GTK_IS_CONTAINER (widget)) { children = gtk_container_children (GTK_CONTAINER (widget)); if (children) { return_val = TRUE; tmp_list = children; while (tmp_list) { if (!gtk_widget_basic (GTK_WIDGET (tmp_list->data))) { return_val = FALSE; break; } tmp_list = tmp_list->next; } g_list_free (children); return return_val; } } return TRUE; } /***************************************** * gtk_widget_grab_focus: * * arguments: * * results: *****************************************/ void gtk_widget_grab_focus (GtkWidget *widget) { GtkWidget *window; GtkWidget *child; GtkType window_type; g_return_if_fail (widget != NULL); window_type = gtk_window_get_type (); window = widget->parent; child = widget; while (window && !gtk_type_is_a (GTK_WIDGET_TYPE (window), window_type)) { GTK_CONTAINER (window)->focus_child = child; child = window; window = window->parent; } if (window && gtk_type_is_a (GTK_WIDGET_TYPE (window), window_type)) { GTK_CONTAINER (window)->focus_child = child; gtk_window_set_focus (GTK_WINDOW (window), widget); } } /***************************************** * gtk_widget_grab_default: * * arguments: * * results: *****************************************/ void gtk_widget_grab_default (GtkWidget *widget) { GtkWidget *window; GtkType window_type; g_return_if_fail (widget != NULL); g_return_if_fail (GTK_WIDGET_CAN_DEFAULT (widget)); window_type = gtk_window_get_type (); window = widget->parent; while (window && !gtk_type_is_a (GTK_WIDGET_TYPE (window), window_type)) window = window->parent; if (window && gtk_type_is_a (GTK_WIDGET_TYPE (window), window_type)) gtk_window_set_default (GTK_WINDOW (window), widget); } /***************************************** * gtk_widget_set_name: * * arguments: * * results: *****************************************/ void gtk_widget_set_name (GtkWidget *widget, const gchar *name) { g_return_if_fail (widget != NULL); if (widget->name) g_free (widget->name); widget->name = g_strdup (name); if (!GTK_WIDGET_USER_STYLE (widget)) gtk_widget_set_rc_style (widget); } /***************************************** * gtk_widget_get_name: * * arguments: * * results: *****************************************/ gchar* gtk_widget_get_name (GtkWidget *widget) { g_return_val_if_fail (widget != NULL, NULL); if (widget->name) return widget->name; return gtk_type_name (GTK_WIDGET_TYPE (widget)); } /***************************************** * gtk_widget_set_state: * * arguments: * widget * state * * results: *****************************************/ void gtk_widget_set_state (GtkWidget *widget, GtkStateType state) { g_return_if_fail (widget != NULL); if (state == GTK_WIDGET_STATE (widget)) return; if (state == GTK_STATE_INSENSITIVE) gtk_widget_set_sensitive (widget, FALSE); else { GtkStateData data; GtkStateType old_state; data.state = state; if (widget->parent) data.parent_sensitive = GTK_WIDGET_IS_SENSITIVE (widget->parent); else data.parent_sensitive = GTK_PARENT_SENSITIVE; old_state = GTK_WIDGET_STATE (widget); gtk_widget_propagate_state (widget, &data); if (old_state != GTK_WIDGET_STATE (widget)) gtk_widget_queue_draw (widget); } } /***************************************** * gtk_widget_set_sensitive: * * arguments: * widget * boolean value for sensitivity * * results: *****************************************/ void gtk_widget_set_sensitive (GtkWidget *widget, gint sensitive) { GtkStateData data; GtkStateType old_state; g_return_if_fail (widget != NULL); if (sensitive) { GTK_WIDGET_SET_FLAGS (widget, GTK_SENSITIVE); if (GTK_WIDGET_STATE (widget) == GTK_STATE_INSENSITIVE) data.state = GTK_WIDGET_SAVED_STATE (widget); else data.state = GTK_WIDGET_STATE (widget); } else { GTK_WIDGET_UNSET_FLAGS (widget, GTK_SENSITIVE); data.state = GTK_WIDGET_STATE (widget); } if (widget->parent) data.parent_sensitive = GTK_WIDGET_IS_SENSITIVE (widget->parent); else data.parent_sensitive = GTK_PARENT_SENSITIVE; old_state = GTK_WIDGET_STATE (widget); gtk_widget_propagate_state (widget, &data); if (old_state != GTK_WIDGET_STATE (widget)) gtk_widget_queue_draw (widget); } /***************************************** * gtk_widget_set_parent: * * arguments: * * results: *****************************************/ void gtk_widget_set_parent (GtkWidget *widget, GtkWidget *parent) { GtkStateData data; g_return_if_fail (widget != NULL); g_return_if_fail (widget->parent == NULL); g_return_if_fail (!GTK_WIDGET_TOPLEVEL (widget)); g_return_if_fail (parent != NULL); /* keep this function in sync with gtk_menu_attach_to_widget() */ gtk_widget_ref (widget); gtk_object_sink (GTK_OBJECT (widget)); widget->parent = parent; if (GTK_WIDGET_STATE (parent) != GTK_STATE_NORMAL) data.state = GTK_WIDGET_STATE (parent); else data.state = GTK_WIDGET_STATE (widget); data.parent_sensitive = GTK_WIDGET_IS_SENSITIVE (parent); gtk_widget_propagate_state (widget, &data); while (parent->parent != NULL) parent = parent->parent; gtk_widget_set_style_recurse (widget, NULL); gtk_signal_emit (GTK_OBJECT (widget), widget_signals[PARENT_SET], NULL); } /***************************************** * Widget styles * see docs/styles.txt *****************************************/ void gtk_widget_set_style (GtkWidget *widget, GtkStyle *style) { GtkStyle *default_style; gboolean initial_emission; g_return_if_fail (widget != NULL); g_return_if_fail (style != NULL); initial_emission = !GTK_WIDGET_RC_STYLE (widget) && !GTK_WIDGET_USER_STYLE (widget); GTK_WIDGET_UNSET_FLAGS (widget, GTK_RC_STYLE); GTK_PRIVATE_SET_FLAG (widget, GTK_USER_STYLE); default_style = gtk_object_get_data_by_id (GTK_OBJECT (widget), saved_default_style_key_id); if (!default_style) { gtk_style_ref (widget->style); if (!saved_default_style_key_id) saved_default_style_key_id = gtk_object_data_force_id (saved_default_style_key); gtk_object_set_data_by_id (GTK_OBJECT (widget), saved_default_style_key_id, widget->style); } gtk_widget_set_style_internal (widget, style, initial_emission); } void gtk_widget_ensure_style (GtkWidget *widget) { if (!GTK_WIDGET_USER_STYLE (widget) && !GTK_WIDGET_RC_STYLE (widget)) gtk_widget_set_rc_style (widget); } void gtk_widget_set_rc_style (GtkWidget *widget) { GtkStyle *saved_style; GtkStyle *new_style; gboolean initial_emission; g_return_if_fail (widget != NULL); initial_emission = !GTK_WIDGET_RC_STYLE (widget) && !GTK_WIDGET_USER_STYLE (widget); GTK_PRIVATE_UNSET_FLAG (widget, GTK_USER_STYLE); GTK_WIDGET_SET_FLAGS (widget, GTK_RC_STYLE); saved_style = gtk_object_get_data_by_id (GTK_OBJECT (widget), saved_default_style_key_id); new_style = gtk_rc_get_style (widget); if (new_style) { if (!saved_style) { gtk_style_ref (widget->style); if (!saved_default_style_key_id) saved_default_style_key_id = gtk_object_data_force_id (saved_default_style_key); gtk_object_set_data_by_id (GTK_OBJECT (widget), saved_default_style_key_id, widget->style); } gtk_widget_set_style_internal (widget, new_style, initial_emission); } else { if (saved_style) { g_assert (initial_emission == FALSE); /* FIXME: remove this line */ gtk_object_remove_data_by_id (GTK_OBJECT (widget), saved_default_style_key_id); gtk_widget_set_style_internal (widget, saved_style, initial_emission); gtk_style_unref (saved_style); } else { if (initial_emission) gtk_widget_set_style_internal (widget, widget->style, TRUE); } } } void gtk_widget_restore_default_style (GtkWidget *widget) { GtkStyle *default_style; g_return_if_fail (widget != NULL); GTK_PRIVATE_UNSET_FLAG (widget, GTK_USER_STYLE); default_style = gtk_object_get_data_by_id (GTK_OBJECT (widget), saved_default_style_key_id); if (default_style) { gtk_object_remove_data_by_id (GTK_OBJECT (widget), saved_default_style_key_id); gtk_widget_set_style_internal (widget, default_style, FALSE); gtk_style_unref (default_style); } } GtkStyle* gtk_widget_get_style (GtkWidget *widget) { g_return_val_if_fail (widget != NULL, NULL); return widget->style; } static void gtk_widget_style_set (GtkWidget *widget, GtkStyle *previous_style) { if (GTK_WIDGET_REALIZED (widget) && !GTK_WIDGET_NO_WINDOW (widget)) gtk_style_set_background (widget->style, widget->window, widget->state); } static void gtk_widget_set_style_internal (GtkWidget *widget, GtkStyle *style, gboolean initial_emission) { g_return_if_fail (widget != NULL); g_return_if_fail (style != NULL); if (widget->style != style) { GtkStyle *previous_style; if (GTK_WIDGET_REALIZED (widget)) gtk_style_detach (widget->style); previous_style = widget->style; widget->style = style; gtk_style_ref (widget->style); if (GTK_WIDGET_REALIZED (widget)) widget->style = gtk_style_attach (widget->style, widget->window); gtk_signal_emit (GTK_OBJECT (widget), widget_signals[STYLE_SET], initial_emission ? NULL : previous_style); gtk_style_unref (previous_style); if (widget->parent && !initial_emission) { GtkRequisition old_requisition; old_requisition = widget->requisition; gtk_widget_size_request (widget, &widget->requisition); if ((old_requisition.width != widget->requisition.width) || (old_requisition.height != widget->requisition.height)) gtk_widget_queue_resize (widget); else if (GTK_WIDGET_DRAWABLE (widget)) gtk_widget_queue_draw (widget); } } else if (initial_emission) { gtk_signal_emit (GTK_OBJECT (widget), widget_signals[STYLE_SET], NULL); } } static void gtk_widget_set_style_recurse (GtkWidget *widget, gpointer client_data) { if (GTK_WIDGET_RC_STYLE (widget)) gtk_widget_set_rc_style (widget); if (GTK_IS_CONTAINER (widget)) gtk_container_foreach (GTK_CONTAINER (widget), gtk_widget_set_style_recurse, NULL); } void gtk_widget_set_default_style (GtkStyle *style) { if (style != default_style) { if (default_style) gtk_style_unref (default_style); default_style = style; if (default_style) gtk_style_ref (default_style); } } GtkStyle* gtk_widget_get_default_style () { if (!default_style) { default_style = gtk_style_new (); gtk_style_ref (default_style); } return default_style; } void gtk_widget_push_style (GtkStyle *style) { g_return_if_fail (style != NULL); gtk_style_ref (style); style_stack = g_slist_prepend (style_stack, style); } static GtkStyle* gtk_widget_peek_style () { if (style_stack) return (GtkStyle*) style_stack->data; else return gtk_widget_get_default_style (); } void gtk_widget_pop_style () { GSList *tmp; if (style_stack) { tmp = style_stack; style_stack = style_stack->next; gtk_style_unref ((GtkStyle*) tmp->data); g_slist_free_1 (tmp); } } /* Basically, send a message to all toplevel windows telling them * that a new _GTK_STYLE_COLORS property is available on the root * window */ void gtk_widget_propagate_default_style (void) { GdkEventClient sev; int i; /* Set the property on the root window */ gdk_property_change(GDK_ROOT_PARENT(), gdk_atom_intern("_GTK_DEFAULT_COLORS", FALSE), gdk_atom_intern("STRING", FALSE), 8*sizeof(gushort), GDK_PROP_MODE_REPLACE, (guchar *)gtk_widget_get_default_style(), GTK_STYLE_NUM_STYLECOLORS() * sizeof(GdkColor)); for(i = 0; i < 5; i++) sev.data.l[i] = 0; sev.data_format = 32; sev.message_type = gdk_atom_intern ("_GTK_STYLE_CHANGED", FALSE); gdk_event_send_clientmessage_toall ((GdkEvent *) &sev); } /************************************************************* * gtk_widget_set_parent_window: * Set a non default parent window for widget * * arguments: * widget: * parent_window * * results: *************************************************************/ void gtk_widget_set_parent_window (GtkWidget *widget, GdkWindow *parent_window) { GdkWindow *old_parent_window; g_return_if_fail (widget != NULL); old_parent_window = gtk_object_get_data_by_id (GTK_OBJECT (widget), parent_window_key_id); if (parent_window != old_parent_window) { if (!parent_window_key_id) parent_window_key_id = gtk_object_data_force_id (parent_window_key); gtk_object_set_data_by_id (GTK_OBJECT (widget), parent_window_key_id, parent_window); if (old_parent_window) gdk_window_unref (old_parent_window); if (parent_window) gdk_window_ref (parent_window); } } /************************************************************* * gtk_widget_get_parent_window: * Get widget's parent window * * arguments: * widget: * * results: * parent window *************************************************************/ GdkWindow * gtk_widget_get_parent_window (GtkWidget *widget) { GdkWindow *parent_window; g_return_val_if_fail (widget != NULL, NULL); g_return_val_if_fail (GTK_IS_WIDGET (widget), NULL); g_return_val_if_fail (widget->parent != NULL, NULL); parent_window = gtk_object_get_data_by_id (GTK_OBJECT (widget), parent_window_key_id); return (parent_window != NULL) ? parent_window : widget->parent->window; } /***************************************** * gtk_widget_set_uposition: * * arguments: * * results: *****************************************/ void gtk_widget_set_uposition (GtkWidget *widget, gint x, gint y) { GtkWidgetAuxInfo *aux_info; g_return_if_fail (widget != NULL); aux_info = gtk_object_get_data_by_id (GTK_OBJECT (widget), aux_info_key_id); if (!aux_info) { if (!aux_info_key_id) aux_info_key_id = gtk_object_data_force_id (aux_info_key); aux_info = gtk_widget_aux_info_new (); gtk_object_set_data_by_id (GTK_OBJECT (widget), aux_info_key_id, aux_info); } if (x > -2) aux_info->x = x; if (y > -2) aux_info->y = y; if (GTK_WIDGET_REALIZED (widget) && GTK_IS_WINDOW (widget) && (aux_info->x != -1) && (aux_info->y != -1)) { gdk_window_set_hints (widget->window, aux_info->x, aux_info->y, 0, 0, 0, 0, GDK_HINT_POS); gdk_window_move (widget->window, aux_info->x, aux_info->y); } if (GTK_WIDGET_VISIBLE (widget) && widget->parent) gtk_widget_size_allocate (widget, &widget->allocation); } /***************************************** * gtk_widget_set_usize: * * arguments: * * results: *****************************************/ void gtk_widget_set_usize (GtkWidget *widget, gint width, gint height) { GtkWidgetAuxInfo *aux_info; g_return_if_fail (widget != NULL); aux_info = gtk_object_get_data_by_id (GTK_OBJECT (widget), aux_info_key_id); if (!aux_info) { if (!aux_info_key_id) aux_info_key_id = gtk_object_data_force_id (aux_info_key); aux_info = gtk_widget_aux_info_new (); gtk_object_set_data_by_id (GTK_OBJECT (widget), aux_info_key_id, aux_info); } if (width > -1) aux_info->width = width; if (height > -1) aux_info->height = height; if (GTK_WIDGET_VISIBLE (widget)) gtk_widget_queue_resize (widget); } /***************************************** * gtk_widget_set_events: * * arguments: * * results: *****************************************/ void gtk_widget_set_events (GtkWidget *widget, gint events) { gint *eventp; g_return_if_fail (widget != NULL); g_return_if_fail (!GTK_WIDGET_NO_WINDOW (widget)); g_return_if_fail (!GTK_WIDGET_REALIZED (widget)); eventp = gtk_object_get_data_by_id (GTK_OBJECT (widget), event_key_id); if (events) { if (!eventp) eventp = g_new (gint, 1); *eventp = events; if (!event_key_id) event_key_id = gtk_object_data_force_id (event_key); gtk_object_set_data_by_id (GTK_OBJECT (widget), event_key_id, eventp); } else if (eventp) { g_free (eventp); gtk_object_remove_data_by_id (GTK_OBJECT (widget), event_key_id); } } /***************************************** * gtk_widget_set_extension_events: * * arguments: * * results: *****************************************/ void gtk_widget_set_extension_events (GtkWidget *widget, GdkExtensionMode mode) { GdkExtensionMode *modep; g_return_if_fail (widget != NULL); modep = gtk_object_get_data_by_id (GTK_OBJECT (widget), extension_event_key_id); if (!modep) modep = g_new (GdkExtensionMode, 1); *modep = mode; if (!extension_event_key_id) extension_event_key_id = gtk_object_data_force_id (extension_event_key); gtk_object_set_data_by_id (GTK_OBJECT (widget), extension_event_key_id, modep); } /***************************************** * gtk_widget_get_toplevel: * * arguments: * * results: *****************************************/ GtkWidget* gtk_widget_get_toplevel (GtkWidget *widget) { g_return_val_if_fail (widget != NULL, NULL); while (widget->parent) widget = widget->parent; return widget; } /***************************************** * gtk_widget_get_ancestor: * * arguments: * * results: *****************************************/ GtkWidget* gtk_widget_get_ancestor (GtkWidget *widget, GtkType widget_type) { g_return_val_if_fail (widget != NULL, NULL); while (widget && !gtk_type_is_a (GTK_WIDGET_TYPE (widget), widget_type)) widget = widget->parent; if (!(widget && gtk_type_is_a (GTK_WIDGET_TYPE (widget), widget_type))) return NULL; return widget; } /***************************************** * gtk_widget_get_colormap: * * arguments: * * results: *****************************************/ GdkColormap* gtk_widget_get_colormap (GtkWidget *widget) { GdkColormap *colormap; g_return_val_if_fail (widget != NULL, NULL); if (!widget->window) { colormap = gtk_object_get_data (GTK_OBJECT (widget), colormap_key); if (colormap) return colormap; return gtk_widget_get_default_colormap (); } return gdk_window_get_colormap (widget->window); } /***************************************** * gtk_widget_get_visual: * * arguments: * * results: *****************************************/ GdkVisual* gtk_widget_get_visual (GtkWidget *widget) { GdkVisual *visual; g_return_val_if_fail (widget != NULL, NULL); if (!widget->window) { visual = gtk_object_get_data (GTK_OBJECT (widget), visual_key); if (visual) return visual; return gtk_widget_get_default_visual (); } return gdk_window_get_visual (widget->window); } /***************************************** * gtk_widget_get_events: * * arguments: * * results: *****************************************/ gint gtk_widget_get_events (GtkWidget *widget) { gint *events; g_return_val_if_fail (widget != NULL, 0); events = gtk_object_get_data_by_id (GTK_OBJECT (widget), event_key_id); if (events) return *events; return 0; } /***************************************** * gtk_widget_get_extension_events: * * arguments: * * results: *****************************************/ GdkExtensionMode gtk_widget_get_extension_events (GtkWidget *widget) { GdkExtensionMode *mode; g_return_val_if_fail (widget != NULL, 0); mode = gtk_object_get_data_by_id (GTK_OBJECT (widget), extension_event_key_id); if (mode) return *mode; return 0; } /***************************************** * gtk_widget_get_pointer: * * arguments: * * results: *****************************************/ void gtk_widget_get_pointer (GtkWidget *widget, gint *x, gint *y) { g_return_if_fail (widget != NULL); if (x) *x = -1; if (y) *y = -1; if (GTK_WIDGET_REALIZED (widget)) { gdk_window_get_pointer (widget->window, x, y, NULL); if (GTK_WIDGET_NO_WINDOW (widget)) { if (x) *x -= widget->allocation.x; if (y) *y -= widget->allocation.y; } } } /***************************************** * gtk_widget_is_ancestor: * * arguments: * * results: *****************************************/ gint gtk_widget_is_ancestor (GtkWidget *widget, GtkWidget *ancestor) { g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (ancestor != NULL, FALSE); while (widget) { if (widget->parent == ancestor) return TRUE; widget = widget->parent; } return FALSE; } /***************************************** * gtk_widget_is_child: * * arguments: * * results: *****************************************/ gint gtk_widget_is_child (GtkWidget *widget, GtkWidget *child) { g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (child != NULL, FALSE); return (child->parent == widget); } /***************************************** * gtk_widget_push_colormap: * * arguments: * * results: *****************************************/ void gtk_widget_push_colormap (GdkColormap *cmap) { g_return_if_fail (cmap != NULL); colormap_stack = g_slist_prepend (colormap_stack, cmap); } /***************************************** * gtk_widget_push_visual: * * arguments: * * results: *****************************************/ void gtk_widget_push_visual (GdkVisual *visual) { g_return_if_fail (visual != NULL); visual_stack = g_slist_prepend (visual_stack, visual); } /***************************************** * gtk_widget_pop_colormap: * * arguments: * * results: *****************************************/ void gtk_widget_pop_colormap () { GSList *tmp; if (colormap_stack) { tmp = colormap_stack; colormap_stack = colormap_stack->next; g_slist_free_1 (tmp); } } /***************************************** * gtk_widget_pop_visual: * * arguments: * * results: *****************************************/ void gtk_widget_pop_visual () { GSList *tmp; if (visual_stack) { tmp = visual_stack; visual_stack = visual_stack->next; g_slist_free_1 (tmp); } } /***************************************** * gtk_widget_set_default_colormap: * * arguments: * * results: *****************************************/ void gtk_widget_set_default_colormap (GdkColormap *colormap) { if (default_colormap != colormap) { if (default_colormap) gdk_colormap_unref (default_colormap); default_colormap = colormap; if (default_colormap) gdk_colormap_ref (default_colormap); } } /***************************************** * gtk_widget_set_default_visual: * * arguments: * * results: *****************************************/ void gtk_widget_set_default_visual (GdkVisual *visual) { default_visual = visual; } /***************************************** * gtk_widget_get_default_colormap: * * arguments: * * results: *****************************************/ GdkColormap* gtk_widget_get_default_colormap () { if (!default_colormap) default_colormap = gdk_colormap_get_system (); return default_colormap; } /***************************************** * gtk_widget_get_default_visual: * * arguments: * * results: *****************************************/ GdkVisual* gtk_widget_get_default_visual () { if (!default_visual) default_visual = gdk_visual_get_system (); return default_visual; } /***************************************** * gtk_widget_marshal_signal_1: * * arguments: * * results: *****************************************/ static void gtk_widget_marshal_signal_1 (GtkObject *object, GtkSignalFunc func, gpointer func_data, GtkArg *args) { GtkWidgetSignal1 rfunc; rfunc = (GtkWidgetSignal1) func; (* rfunc) (object, GTK_VALUE_POINTER (args[0]), func_data); } /***************************************** * gtk_widget_marshal_signal_2: * * arguments: * * results: *****************************************/ static void gtk_widget_marshal_signal_2 (GtkObject *object, GtkSignalFunc func, gpointer func_data, GtkArg *args) { GtkWidgetSignal2 rfunc; gint *return_val; rfunc = (GtkWidgetSignal2) func; return_val = GTK_RETLOC_BOOL (args[3]); *return_val = (* rfunc) (object, GTK_VALUE_STRING (args[0]), GTK_VALUE_CHAR (args[1]), GTK_VALUE_INT (args[2]), func_data); } /***************************************** * gtk_widget_marshal_signal_3: * * arguments: * * results: *****************************************/ static void gtk_widget_marshal_signal_3 (GtkObject *object, GtkSignalFunc func, gpointer func_data, GtkArg *args) { GtkWidgetSignal3 rfunc; rfunc = (GtkWidgetSignal3) func; (* rfunc) (object, GTK_VALUE_STRING (args[0]), func_data); } /***************************************** * gtk_widget_marshal_signal_4: * * arguments: * * results: *****************************************/ static void gtk_widget_marshal_signal_4 (GtkObject *object, GtkSignalFunc func, gpointer func_data, GtkArg *args) { GtkWidgetSignal4 rfunc; gint *return_val; rfunc = (GtkWidgetSignal4) func; return_val = GTK_RETLOC_BOOL (args[1]); *return_val = (* rfunc) (object, GTK_VALUE_BOXED (args[0]), func_data); } /***************************************** * gtk_widget_marshal_signal_5: * * arguments: * * results: *****************************************/ static void gtk_widget_marshal_signal_5 (GtkObject *object, GtkSignalFunc func, gpointer func_data, GtkArg *args) { GtkWidgetSignal5 rfunc; rfunc = (GtkWidgetSignal5) func; (* rfunc) (object, GTK_VALUE_UINT (args[0]), func_data); } /***************************************** * gtk_widget_marshal_signal_6: * * arguments: * * results: *****************************************/ static void gtk_widget_marshal_signal_6 (GtkObject *object, GtkSignalFunc func, gpointer func_data, GtkArg *args) { GtkWidgetSignal6 rfunc; rfunc = (GtkWidgetSignal6) func; (* rfunc) (object, GTK_VALUE_OBJECT (args[0]), func_data); } /***************************************** * gtk_widget_marshal_signal_7: * * arguments: * * results: *****************************************/ static void gtk_widget_marshal_signal_7 (GtkObject *object, GtkSignalFunc func, gpointer func_data, GtkArg *args) { GtkWidgetSignal7 rfunc; rfunc = (GtkWidgetSignal7) func; (* rfunc) (object, GTK_VALUE_BOXED (args[0]), func_data); } static void gtk_widget_shutdown (GtkObject *object) { GtkWidget *widget; /* gtk_object_destroy() will already hold a refcount on object */ widget = GTK_WIDGET (object); if (widget->parent) gtk_container_remove (GTK_CONTAINER (widget->parent), widget); GTK_WIDGET_UNSET_FLAGS (widget, GTK_VISIBLE); if (GTK_WIDGET_REALIZED (widget)) gtk_widget_unrealize (widget); parent_class->shutdown (object); } static void gtk_widget_real_destroy (GtkObject *object) { GtkWidget *widget; GtkStyle *saved_style; /* gtk_object_destroy() will already hold a refcount on object */ widget = GTK_WIDGET (object); if (GTK_CONTAINER_RESIZE_PENDING (widget)) { gtk_widget_resize_queue = g_slist_remove (gtk_widget_resize_queue, widget); GTK_PRIVATE_UNSET_FLAG (widget, GTK_RESIZE_PENDING); } gtk_grab_remove (widget); gtk_selection_remove_all (widget); saved_style = gtk_object_get_data_by_id (GTK_OBJECT (widget), saved_default_style_key_id); if (saved_style) { gtk_style_unref (saved_style); gtk_object_remove_data_by_id (GTK_OBJECT (widget), saved_default_style_key_id); } gtk_style_unref (widget->style); widget->style = NULL; parent_class->destroy (object); } static void gtk_widget_finalize (GtkObject *object) { GtkWidget *widget; GtkWidgetAuxInfo *aux_info; gint *events; GdkExtensionMode *mode; widget = GTK_WIDGET (object); if (widget->name) g_free (widget->name); aux_info = gtk_object_get_data_by_id (GTK_OBJECT (widget), aux_info_key_id); if (aux_info) gtk_widget_aux_info_destroy (aux_info); events = gtk_object_get_data_by_id (GTK_OBJECT (widget), event_key_id); if (events) g_free (events); mode = gtk_object_get_data_by_id (GTK_OBJECT (widget), extension_event_key_id); if (mode) g_free (mode); parent_class->finalize (object); } /***************************************** * gtk_widget_real_show: * * arguments: * * results: *****************************************/ static void gtk_widget_real_show (GtkWidget *widget) { g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_WIDGET (widget)); if (!GTK_WIDGET_VISIBLE (widget)) { GTK_WIDGET_SET_FLAGS (widget, GTK_VISIBLE); if (widget->parent) { gtk_widget_queue_resize (widget->parent); if (GTK_WIDGET_MAPPED (widget->parent)) gtk_widget_map (widget); } } } /***************************************** * gtk_widget_real_hide: * * arguments: * * results: *****************************************/ static void gtk_widget_real_hide (GtkWidget *widget) { g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_WIDGET (widget)); if (GTK_WIDGET_VISIBLE (widget)) { GTK_WIDGET_UNSET_FLAGS (widget, GTK_VISIBLE); if (GTK_WIDGET_MAPPED (widget)) gtk_widget_unmap (widget); if (widget->parent) gtk_widget_queue_resize (widget); } } /***************************************** * gtk_widget_real_map: * * arguments: * * results: *****************************************/ static void gtk_widget_real_map (GtkWidget *widget) { g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_WIDGET (widget)); if (GTK_WIDGET_REALIZED (widget) && !GTK_WIDGET_MAPPED (widget)) { GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED); if (!GTK_WIDGET_NO_WINDOW (widget)) gdk_window_show (widget->window); else gtk_widget_queue_draw (widget); } } /***************************************** * gtk_widget_real_unmap: * * arguments: * * results: *****************************************/ static void gtk_widget_real_unmap (GtkWidget *widget) { g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_WIDGET (widget)); if (GTK_WIDGET_MAPPED (widget)) { GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED); if (GTK_WIDGET_NO_WINDOW (widget)) gdk_window_clear_area (widget->window, widget->allocation.x, widget->allocation.y, widget->allocation.width, widget->allocation.height); else gdk_window_hide (widget->window); } } /***************************************** * gtk_widget_real_realize: * * arguments: * * results: *****************************************/ static void gtk_widget_real_realize (GtkWidget *widget) { g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_WIDGET (widget)); g_return_if_fail (GTK_WIDGET_NO_WINDOW (widget)); GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED); if (widget->parent) { widget->window = gtk_widget_get_parent_window (widget); gdk_window_ref (widget->window); } widget->style = gtk_style_attach (widget->style, widget->window); } /***************************************** * gtk_widget_real_unrealize: * * arguments: * * results: *****************************************/ static void gtk_widget_real_unrealize (GtkWidget *widget) { g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_WIDGET (widget)); if (GTK_WIDGET_NO_WINDOW (widget) && GTK_WIDGET_MAPPED (widget)) gtk_widget_real_unmap (widget); GTK_WIDGET_UNSET_FLAGS (widget, GTK_REALIZED | GTK_MAPPED); /* printf ("unrealizing %s\n", gtk_type_name (GTK_OBJECT(widget)->klass->type)); */ gtk_style_detach (widget->style); if (!GTK_WIDGET_NO_WINDOW (widget)) { gdk_window_set_user_data (widget->window, NULL); gdk_window_destroy (widget->window); } else { gdk_window_unref (widget->window); } /* Unrealize afterwards to improve visual effect */ if (GTK_IS_CONTAINER (widget)) gtk_container_foreach (GTK_CONTAINER (widget), (GtkCallback)gtk_widget_unrealize, NULL); widget->window = NULL; } /***************************************** * gtk_widget_real_draw: * * arguments: * * results: *****************************************/ static void gtk_widget_real_draw (GtkWidget *widget, GdkRectangle *area) { GdkEventExpose event; g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_WIDGET (widget)); g_return_if_fail (area != NULL); if (GTK_WIDGET_DRAWABLE (widget)) { event.type = GDK_EXPOSE; event.send_event = TRUE; event.window = widget->window; event.area = *area; event.count = 0; gdk_window_ref (event.window); gtk_widget_event (widget, (GdkEvent*) &event); gdk_window_unref (event.window); } } /***************************************** * gtk_widget_real_queue_draw: * * arguments: * * results: *****************************************/ static gint gtk_widget_real_queue_draw (GtkWidget *widget) { g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (GTK_IS_WIDGET (widget), FALSE); GTK_PRIVATE_UNSET_FLAG (widget, GTK_REDRAW_PENDING); gtk_widget_draw (widget, NULL); return FALSE; } /***************************************** * gtk_widget_real_size_allocate: * * arguments: * * results: *****************************************/ static void gtk_widget_real_size_allocate (GtkWidget *widget, GtkAllocation *allocation) { g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_WIDGET (widget)); if (GTK_WIDGET_NO_WINDOW (widget) && GTK_WIDGET_MAPPED (widget) && ((widget->allocation.x != allocation->x) || (widget->allocation.y != allocation->y) || (widget->allocation.width != allocation->width) || (widget->allocation.height != allocation->height)) && (widget->allocation.width != 0) && (widget->allocation.height != 0)) gdk_window_clear_area (widget->window, widget->allocation.x, widget->allocation.y, widget->allocation.width, widget->allocation.height); widget->allocation = *allocation; if (GTK_WIDGET_REALIZED (widget) && !GTK_WIDGET_NO_WINDOW (widget)) gdk_window_move_resize (widget->window, allocation->x, allocation->y, allocation->width, allocation->height); } /***************************************** * gtk_widget_peek_colormap: * * arguments: * * results: *****************************************/ static GdkColormap* gtk_widget_peek_colormap () { if (colormap_stack) return (GdkColormap*) colormap_stack->data; return gtk_widget_get_default_colormap (); } /***************************************** * gtk_widget_peek_visual: * * arguments: * * results: *****************************************/ static GdkVisual* gtk_widget_peek_visual () { if (visual_stack) return (GdkVisual*) visual_stack->data; return gtk_widget_get_default_visual (); } /************************************************************* * gtk_widget_propagate_state: * Propagate a change in the widgets state down the tree * * arguments: * widget * GtkStateData: state * parent_sensitive * * results: *************************************************************/ static void gtk_widget_propagate_state (GtkWidget *widget, GtkStateData *data) { guint8 old_state; /* don't call this function with state=GTK_STATE_INSENSITIVE, * parent_sensitive=TRUE and a sensitive widget */ old_state = GTK_WIDGET_STATE (widget); if (data->parent_sensitive) { GTK_WIDGET_SET_FLAGS (widget, GTK_PARENT_SENSITIVE); if (GTK_WIDGET_IS_SENSITIVE (widget)) GTK_WIDGET_STATE (widget) = data->state; else { GTK_WIDGET_STATE (widget) = GTK_STATE_INSENSITIVE; if (data->state != GTK_STATE_INSENSITIVE) GTK_WIDGET_SAVED_STATE (widget) = data->state; } } else { GTK_WIDGET_UNSET_FLAGS (widget, GTK_PARENT_SENSITIVE); GTK_WIDGET_STATE (widget) = GTK_STATE_INSENSITIVE; if (data->state != GTK_STATE_INSENSITIVE) GTK_WIDGET_SAVED_STATE (widget) = data->state; } if (GTK_WIDGET_HAS_FOCUS (widget) && !GTK_WIDGET_IS_SENSITIVE (widget)) { GtkWidget *window; window = gtk_widget_get_ancestor (widget, gtk_window_get_type ()); if (window) gtk_window_set_focus (GTK_WINDOW (window), NULL); } if (old_state != GTK_WIDGET_STATE (widget)) { gtk_widget_ref (widget); gtk_signal_emit (GTK_OBJECT (widget), widget_signals[STATE_CHANGED], old_state); if (GTK_IS_CONTAINER (widget)) { data->parent_sensitive = GTK_WIDGET_IS_SENSITIVE (widget); data->state = GTK_WIDGET_STATE (widget); gtk_container_foreach (GTK_CONTAINER (widget), (GtkCallback) gtk_widget_propagate_state, data); } gtk_widget_unref (widget); } } /***************************************** * gtk_widget_draw_children_recurse: * * arguments: * * results: *****************************************/ static void gtk_widget_draw_children_recurse (GtkWidget *widget, gpointer client_data) { gtk_widget_draw (widget, NULL); gtk_widget_draw_children (widget); } /***************************************** * gtk_widget_aux_info_new: * * arguments: * * results: *****************************************/ static GtkWidgetAuxInfo* gtk_widget_aux_info_new () { GtkWidgetAuxInfo *aux_info; if (!aux_info_mem_chunk) aux_info_mem_chunk = g_mem_chunk_new ("widget aux info mem chunk", sizeof (GtkWidgetAuxInfo), 1024, G_ALLOC_AND_FREE); aux_info = g_chunk_new (GtkWidgetAuxInfo, aux_info_mem_chunk); aux_info->x = -1; aux_info->y = -1; aux_info->width = 0; aux_info->height = 0; return aux_info; } /***************************************** * gtk_widget_aux_info_destroy: * * arguments: * * results: *****************************************/ static void gtk_widget_aux_info_destroy (GtkWidgetAuxInfo *aux_info) { g_return_if_fail (aux_info != NULL); g_mem_chunk_free (aux_info_mem_chunk, aux_info); } /***************************************** * gtk_widget_shape_combine_mask: * set a shape for this widgets' gdk window, this allows for * transparent windows etc., see gdk_window_shape_combine_mask * for more information * * arguments: * * results: *****************************************/ void gtk_widget_shape_combine_mask (GtkWidget *widget, GdkBitmap *shape_mask, gint offset_x, gint offset_y) { GtkWidgetShapeInfo* shape_info; g_return_if_fail (widget != NULL); /* set_shape doesn't work on widgets without gdk window */ g_return_if_fail (!GTK_WIDGET_NO_WINDOW (widget)); if (!shape_mask) { GTK_PRIVATE_UNSET_FLAG (widget, GTK_HAS_SHAPE_MASK); if (widget->window) gdk_window_shape_combine_mask (widget->window, NULL, 0, 0); shape_info = gtk_object_get_data (GTK_OBJECT (widget), shape_info_key); gtk_object_remove_data (GTK_OBJECT (widget), shape_info_key); g_free (shape_info); } else { GTK_PRIVATE_SET_FLAG (widget, GTK_HAS_SHAPE_MASK); shape_info = gtk_object_get_data (GTK_OBJECT (widget), shape_info_key); if (!shape_info) { shape_info = g_new (GtkWidgetShapeInfo, 1); gtk_object_set_data (GTK_OBJECT (widget), shape_info_key, shape_info); } shape_info->shape_mask = shape_mask; shape_info->offset_x = offset_x; shape_info->offset_y = offset_y; /* set shape if widget has a gdk window allready. * otherwise the shape is scheduled to be set by gtk_widget_realize. */ if (widget->window) gdk_window_shape_combine_mask (widget->window, shape_mask, offset_x, offset_y); } } /***************************************** * gtk_widget_dnd_drag_add: * when you get a DRAG_ENTER event, you can use this * to tell Gtk ofother widgets that are to be dragged as well * * arguments: * * results: *****************************************/ void gtk_widget_dnd_drag_add (GtkWidget *widget) { } /***************************************** * gtk_widget_dnd_drag_set: * these two functions enable drag and/or drop on a * widget and also let Gtk know what data types will be accepted * use MIME type naming,plus tacking "URL:" on the front for link * dragging * * * arguments: * * results: *****************************************/ void gtk_widget_dnd_drag_set (GtkWidget *widget, guint8 drag_enable, gchar **type_accept_list, guint numtypes) { g_return_if_fail(widget != NULL); if (!widget->window) gtk_widget_realize (widget); g_return_if_fail (widget->window != NULL); gdk_window_dnd_drag_set (widget->window, drag_enable, type_accept_list, numtypes); } /***************************************** * gtk_widget_dnd_drop_set: * * arguments: * * results: *****************************************/ void gtk_widget_dnd_drop_set (GtkWidget *widget, guint8 drop_enable, gchar **type_accept_list, guint numtypes, guint8 is_destructive_operation) { g_return_if_fail(widget != NULL); if (!widget->window) gtk_widget_realize (widget); g_return_if_fail (widget->window != NULL); gdk_window_dnd_drop_set (widget->window, drop_enable, type_accept_list, numtypes, is_destructive_operation); } /***************************************** * gtk_widget_dnd_data_set: * * arguments: * * results: *****************************************/ void gtk_widget_dnd_data_set (GtkWidget *widget, GdkEvent *event, gpointer data, gulong data_numbytes) { g_return_if_fail (widget != NULL); g_return_if_fail (widget->window != NULL); gdk_window_dnd_data_set (widget->window, event, data, data_numbytes); } #undef gtk_widget_ref #undef gtk_widget_unref void gtk_widget_ref (GtkWidget *widget) { volatile GtkObject *object; object = GTK_OBJECT (widget); gtk_object_ref (object); } void gtk_widget_unref (GtkWidget *widget) { volatile GtkObject *object; object = GTK_OBJECT (widget); gtk_object_unref (object); }