/* 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 "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, 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, DROP_ENTER_EVENT, DROP_LEAVE_EVENT, DROP_DATA_AVAILABLE_EVENT, OTHER_EVENT, LAST_SIGNAL }; 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); 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_class_init (GtkWidgetClass *klass); static void gtk_widget_init (GtkWidget *widget); static void gtk_widget_arg (GtkWidget *widget, GtkArg *arg); static void gtk_real_widget_destroy (GtkObject *object); static void gtk_real_widget_show (GtkWidget *widget); static void gtk_real_widget_hide (GtkWidget *widget); static void gtk_real_widget_map (GtkWidget *widget); static void gtk_real_widget_unmap (GtkWidget *widget); static void gtk_real_widget_realize (GtkWidget *widget); static void gtk_real_widget_unrealize (GtkWidget *widget); static void gtk_real_widget_draw (GtkWidget *widget, GdkRectangle *area); static gint gtk_real_widget_queue_draw (GtkWidget *widget); static gint gtk_real_widget_queue_resize (GtkWidget *widget); static void gtk_real_widget_size_allocate (GtkWidget *widget, GtkAllocation *allocation); 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_set_parent_sensitive (GtkWidget *widget, gpointer client_data); static void gtk_widget_propagate_restore (GtkWidget *widget, gpointer client_data); static void gtk_widget_propagate_state (GtkWidget *widget, gpointer client_data); static void gtk_widget_draw_children_recurse (GtkWidget *widget, gpointer client_data); static void gtk_widget_set_style_internal (GtkWidget *widget, GtkStyle *style); static void gtk_widget_set_style_recurse (GtkWidget *widget, gpointer client_data); extern GtkArg* gtk_object_collect_args (gint *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 gint 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 const char *aux_info_key = "aux_info"; static const char *colormap_key = "colormap"; static const char *visual_key = "visual"; static const char *event_key = "event_mask"; static const char *resize_widgets_key = "resize_widgets"; static const char *extension_event_key = "extension_event_mode"; static const char *redraw_handler_key = "redraw_handler_tag"; static const char *resize_handler_key = "resize_handler_tag"; static const char *shape_info_key = "shape_info"; /***************************************** * 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, (GtkArgFunc) gtk_widget_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::x", GTK_TYPE_INT); gtk_object_add_arg_type ("GtkWidget::y", GTK_TYPE_INT); gtk_object_add_arg_type ("GtkWidget::width", GTK_TYPE_INT); gtk_object_add_arg_type ("GtkWidget::height", GTK_TYPE_INT); gtk_object_add_arg_type ("GtkWidget::visible", GTK_TYPE_BOOL); gtk_object_add_arg_type ("GtkWidget::sensitive", GTK_TYPE_BOOL); gtk_object_add_arg_type ("GtkWidget::events", GTK_TYPE_GDK_EVENT_MASK); gtk_object_add_arg_type ("GtkWidget::extension_events", GTK_TYPE_GDK_EVENT_MASK); gtk_object_add_arg_type ("GtkWidget::name", GTK_TYPE_STRING); gtk_object_add_arg_type ("GtkWidget::style", GTK_TYPE_STYLE); gtk_object_add_arg_type ("GtkWidget::parent", GTK_TYPE_CONTAINER); 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_signal_default_marshaller, GTK_TYPE_NONE, 0); 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[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); gtk_object_class_add_signals (object_class, widget_signals, LAST_SIGNAL); object_class->destroy = gtk_real_widget_destroy; klass->activate_signal = 0; klass->show = gtk_real_widget_show; klass->hide = gtk_real_widget_hide; klass->map = gtk_real_widget_map; klass->unmap = gtk_real_widget_unmap; klass->realize = gtk_real_widget_realize; klass->unrealize = gtk_real_widget_unrealize; klass->draw = gtk_real_widget_draw; klass->draw_focus = NULL; klass->size_request = NULL; klass->size_allocate = gtk_real_widget_size_allocate; klass->state_changed = NULL; 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; } /***************************************** * gtk_widget_arg: * * arguments: * * results: *****************************************/ static void gtk_widget_arg (GtkWidget *widget, GtkArg *arg) { if (strcmp (arg->name, "x") == 0) { gtk_widget_set_uposition (widget, GTK_VALUE_INT(*arg), -2); } else if (strcmp (arg->name, "y") == 0) { gtk_widget_set_uposition (widget, -2, GTK_VALUE_INT(*arg)); } else if (strcmp (arg->name, "width") == 0) { gtk_widget_set_usize (widget, GTK_VALUE_INT(*arg), -1); } else if (strcmp (arg->name, "height") == 0) { gtk_widget_set_usize (widget, -1, GTK_VALUE_INT(*arg)); } else if (strcmp (arg->name, "visible") == 0) { if (GTK_VALUE_BOOL(*arg)) gtk_widget_show (widget); else gtk_widget_hide (widget); } else if (strcmp (arg->name, "sensitive") == 0) { gtk_widget_set_sensitive (widget, GTK_VALUE_BOOL(*arg)); } else if (strcmp (arg->name, "events") == 0) { gtk_widget_set_events (widget, GTK_VALUE_FLAGS(*arg)); } else if (strcmp (arg->name, "extension_events") == 0) { gtk_widget_set_extension_events (widget, GTK_VALUE_FLAGS(*arg)); } else if (strcmp (arg->name, "name") == 0) { gtk_widget_set_name (widget, GTK_VALUE_STRING(*arg)); } else if (strcmp (arg->name, "style") == 0) { gtk_widget_set_style (widget, (GtkStyle*)GTK_VALUE_BOXED(*arg)); } else if (strcmp (arg->name, "parent") == 0) { gtk_container_add (GTK_CONTAINER (GTK_VALUE_OBJECT(*arg)), widget); } } /***************************************** * gtk_widget_init: * * arguments: * * results: *****************************************/ static void gtk_widget_init (GtkWidget *widget) { GdkColormap *colormap; GdkVisual *visual; GTK_OBJECT_FLAGS (widget) = GTK_SENSITIVE | GTK_PARENT_SENSITIVE; 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; widget->style = gtk_widget_peek_style (); gtk_style_ref (widget->style); colormap = gtk_widget_peek_colormap (); visual = gtk_widget_peek_visual (); if (colormap != gtk_widget_get_default_colormap ()) gtk_object_set_data (GTK_OBJECT (widget), colormap_key, colormap); if (visual != gtk_widget_get_default_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; gint 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, gint 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_set: * * arguments: * * results: *****************************************/ void gtk_widget_set (GtkWidget *widget, ...) { GtkArg *args; gint 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, gint nargs, GtkArg *args) { gtk_object_setv (GTK_OBJECT (widget), nargs, args); } /***************************************** * gtk_widget_destroy: * * arguments: * * results: *****************************************/ void gtk_widget_destroy (GtkWidget *widget) { GSList *resize_widgets; GSList *tmp_list; gint tag; g_return_if_fail (widget != NULL); if (GTK_WIDGET_REDRAW_PENDING (widget)) { GTK_WIDGET_UNSET_FLAGS (widget, GTK_REDRAW_PENDING); gtk_object_unref (GTK_OBJECT (widget)); tag = (gint) gtk_object_get_data (GTK_OBJECT (widget), redraw_handler_key); gtk_idle_remove (tag); gtk_object_set_data (GTK_OBJECT (widget), redraw_handler_key, (gpointer) 0); } if (GTK_WIDGET_ANCHORED (widget) && GTK_WIDGET_RESIZE_PENDING (widget)) { GTK_WIDGET_UNSET_FLAGS (widget, GTK_RESIZE_PENDING); gtk_object_unref (GTK_OBJECT (widget)); tag = (gint) gtk_object_get_data (GTK_OBJECT (widget), resize_handler_key); gtk_idle_remove (tag); gtk_object_set_data (GTK_OBJECT (widget), resize_handler_key, (gpointer) 0); resize_widgets = gtk_object_get_data (GTK_OBJECT (widget), resize_widgets_key); tmp_list = resize_widgets; while (tmp_list) { GtkWidget *child; child = tmp_list->data; tmp_list = tmp_list->next; /* referencing needed? */ GTK_WIDGET_UNSET_FLAGS (child, GTK_RESIZE_NEEDED); gtk_object_unref (GTK_OBJECT (child)); } if (resize_widgets) { gtk_object_set_data (GTK_OBJECT (widget), resize_widgets_key, NULL); g_slist_free (resize_widgets); } } if (GTK_WIDGET_RESIZE_NEEDED (widget)) { GtkWidget *toplevel; toplevel = gtk_widget_get_toplevel (widget); resize_widgets = gtk_object_get_data (GTK_OBJECT (toplevel), resize_widgets_key); if (resize_widgets) { resize_widgets = g_slist_remove (resize_widgets, widget); GTK_WIDGET_UNSET_FLAGS (widget, GTK_RESIZE_NEEDED); gtk_object_unref (GTK_OBJECT (widget)); gtk_object_set_data (GTK_OBJECT (toplevel), resize_widgets_key, resize_widgets); } } if (widget->parent) { if (!GTK_OBJECT_BEING_DESTROYED (widget->parent)) gtk_container_remove (GTK_CONTAINER (widget->parent), widget); else gtk_object_unref (GTK_OBJECT (widget)); } gtk_object_destroy (GTK_OBJECT (widget)); } /***************************************** * gtk_widget_unparent: do any cleanup necessary necessary before * setting parent = NULL. In particular, remove * the focus properly. * * arguments: * * results: *****************************************/ void gtk_widget_unparent (GtkWidget *widget) { GtkWidget *toplevel; GtkWidget *child; g_return_if_fail (widget != NULL); 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 (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); widget->parent = NULL; gtk_object_unref (GTK_OBJECT (widget)); } /***************************************** * 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); if (GTK_WIDGET_VISIBLE (widget)) gtk_signal_emit (GTK_OBJECT (widget), widget_signals[HIDE]); } /***************************************** * 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) { GtkStyle *new_style; 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); if (!GTK_WIDGET_USER_STYLE (widget)) { new_style = gtk_rc_get_style (widget); if (new_style != widget->style) gtk_widget_set_style_internal (widget, new_style); } 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); g_assert (shape_info != 0); 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_REALIZED (widget)) gtk_signal_emit (GTK_OBJECT (widget), widget_signals[UNREALIZE]); } /***************************************** * gtk_widget_queue_draw: * * arguments: * * results: *****************************************/ void gtk_widget_queue_draw (GtkWidget *widget) { GtkWidget *parent; gint tag; 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_WIDGET_SET_FLAGS (widget, GTK_REDRAW_PENDING); gtk_object_ref (GTK_OBJECT (widget)); tag = gtk_idle_add ((GtkFunction) gtk_real_widget_queue_draw, widget); gtk_object_set_data (GTK_OBJECT (widget), redraw_handler_key, (gpointer) tag); } } /***************************************** * gtk_widget_queue_resize: * * arguments: * * results: *****************************************/ void gtk_widget_queue_resize (GtkWidget *widget) { GtkWidget *toplevel; GSList *resize_widgets; gint tag; g_return_if_fail (widget != NULL); toplevel = gtk_widget_get_toplevel (widget); if (GTK_WIDGET_ANCHORED (toplevel)) { if (GTK_WIDGET_VISIBLE (toplevel)) { if (!GTK_WIDGET_RESIZE_PENDING (toplevel)) { GTK_WIDGET_SET_FLAGS (toplevel, GTK_RESIZE_PENDING); gtk_object_ref (GTK_OBJECT (toplevel)); tag = gtk_idle_add ((GtkFunction) gtk_real_widget_queue_resize, toplevel); gtk_object_set_data (GTK_OBJECT (toplevel), resize_handler_key, (gpointer) tag); } resize_widgets = gtk_object_get_data (GTK_OBJECT (toplevel), resize_widgets_key); if (g_slist_find (resize_widgets, widget) == NULL) { /* referencing needed? */ GTK_WIDGET_SET_FLAGS (widget, GTK_RESIZE_NEEDED); gtk_object_ref (GTK_OBJECT (widget)); resize_widgets = g_slist_prepend (resize_widgets, widget); gtk_object_set_data (GTK_OBJECT (toplevel), resize_widgets_key, resize_widgets); } } 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_DRAWABLE (widget) && !GTK_WIDGET_REDRAW_PENDING (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); if (gtk_signal_emit (GTK_OBJECT (widget), widget_signals[SIZE_REQUEST], requisition)) { aux_info = gtk_object_get_data (GTK_OBJECT (widget), aux_info_key); 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_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 (GTK_OBJECT (widget), aux_info_key); 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); return_val = TRUE; if (gtk_signal_emit (GTK_OBJECT (widget), widget_signals[INSTALL_ACCELERATOR], signal_name, key, modifiers, &return_val) && return_val) gtk_accelerator_table_install (table, GTK_OBJECT (widget), signal_name, key, modifiers); } /***************************************** * 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); if (gtk_signal_emit (GTK_OBJECT (widget), widget_signals[REMOVE_ACCELERATOR], signal_name)) gtk_accelerator_table_remove (table, GTK_OBJECT (widget), signal_name); } /***************************************** * 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, FALSE); return_val = FALSE; if (gtk_signal_emit (GTK_OBJECT (widget), widget_signals[EVENT], event, &return_val)) { if (return_val) 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_EXPOSE: signal_num = EXPOSE_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; default: g_warning ("could not determine signal number for event: %d", event->type); return return_val; } if (signal_num != -1) gtk_signal_emit (GTK_OBJECT (widget), widget_signals[signal_num], event, &return_val); } 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: * * arguments: * * results: *****************************************/ void gtk_widget_reparent (GtkWidget *widget, GtkWidget *new_parent) { g_return_if_fail (widget != NULL); g_return_if_fail (new_parent != NULL); g_return_if_fail (GTK_IS_CONTAINER (new_parent)); if (widget->parent != new_parent) { gtk_container_remove (GTK_CONTAINER (widget->parent), widget); gtk_container_add (GTK_CONTAINER (new_parent), widget); if (GTK_WIDGET_REALIZED (widget)) { if (GTK_WIDGET_REALIZED (new_parent) && !GTK_WIDGET_NO_WINDOW (widget)) { gdk_window_reparent (widget->window, widget->parent->window, 0, 0); } else { GTK_WIDGET_UNSET_FLAGS (widget, GTK_REALIZED | GTK_MAPPED); if (!GTK_WIDGET_NO_WINDOW (widget)) gdk_window_destroy (widget->window); widget->window = NULL; if (GTK_WIDGET_REALIZED (new_parent)) gtk_widget_realize (widget); if (GTK_WIDGET_MAPPED (new_parent)) gtk_widget_map (widget); } } if (!GTK_WIDGET_REALIZED (widget) && GTK_WIDGET_REALIZED (new_parent)) gtk_widget_realize (widget); if (!GTK_WIDGET_MAPPED (widget) && GTK_WIDGET_MAPPED (new_parent)) gtk_widget_map (widget); gtk_widget_queue_resize (widget); } } /***************************************** * 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; gint 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; gint 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_restore_state: * * arguments: * * results: *****************************************/ void gtk_widget_restore_state (GtkWidget *widget) { g_return_if_fail (widget != NULL); widget->state = widget->saved_state; if (gtk_signal_emit (GTK_OBJECT (widget), widget_signals[STATE_CHANGED])) { if (GTK_IS_CONTAINER (widget)) gtk_container_foreach (GTK_CONTAINER (widget), gtk_widget_propagate_restore, NULL); } } /***************************************** * gtk_widget_set_name: * * arguments: * * results: *****************************************/ void gtk_widget_set_name (GtkWidget *widget, const gchar *name) { GtkStyle *new_style; g_return_if_fail (widget != NULL); if (widget->name) g_free (widget->name); widget->name = g_strdup (name); if (!GTK_WIDGET_USER_STYLE (widget)) { new_style = gtk_rc_get_style (widget); gtk_widget_set_style_internal (widget, new_style); } } /***************************************** * 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: * * results: *****************************************/ void gtk_widget_set_state (GtkWidget *widget, GtkStateType state) { g_return_if_fail (widget != NULL); if (widget->state != state) { widget->saved_state = widget->state; widget->state = state; if (!gtk_signal_emit (GTK_OBJECT (widget), widget_signals[STATE_CHANGED])) return; } if (GTK_IS_CONTAINER (widget)) gtk_container_foreach (GTK_CONTAINER (widget), gtk_widget_propagate_state, (gpointer) &state); } /***************************************** * gtk_widget_set_sensitive: * * arguments: * * results: *****************************************/ void gtk_widget_set_sensitive (GtkWidget *widget, gint sensitive) { GtkWidget *window; gint old_val; g_return_if_fail (widget != NULL); old_val = GTK_WIDGET_IS_SENSITIVE (widget); if (sensitive) { GTK_WIDGET_SET_FLAGS (widget, GTK_SENSITIVE); } else { GTK_WIDGET_UNSET_FLAGS (widget, GTK_SENSITIVE); if (GTK_WIDGET_HAS_FOCUS (widget)) { window = gtk_widget_get_ancestor (widget, gtk_window_get_type ()); if (window) gtk_window_set_focus (GTK_WINDOW (window), NULL); } } if (GTK_IS_CONTAINER (widget)) gtk_container_foreach (GTK_CONTAINER (widget), gtk_widget_set_parent_sensitive, &sensitive); if (old_val != GTK_WIDGET_IS_SENSITIVE (widget)) gtk_widget_queue_draw (widget); } /***************************************** * gtk_widget_set_parent: * * arguments: * * results: *****************************************/ void gtk_widget_set_parent (GtkWidget *widget, GtkWidget *parent) { GtkStyle *style; gint sensitive; g_return_if_fail (widget != NULL); g_return_if_fail (parent != NULL); gtk_object_ref (GTK_OBJECT (widget)); widget->parent = parent; sensitive = GTK_WIDGET_IS_SENSITIVE (parent); gtk_widget_set_parent_sensitive (widget, &sensitive); if ((widget->parent->state != GTK_STATE_NORMAL) && (widget->parent->state != widget->state)) gtk_widget_set_state (widget, widget->parent->state); while (parent->parent != NULL) parent = parent->parent; if (GTK_WIDGET_ANCHORED (parent)) { if (!GTK_WIDGET_USER_STYLE (widget)) { style = gtk_rc_get_style (widget); if (style != widget->style) gtk_widget_set_style_internal (widget, style); } if (GTK_IS_CONTAINER (widget)) gtk_container_foreach (GTK_CONTAINER (widget), gtk_widget_set_style_recurse, NULL); } } /***************************************** * gtk_widget_set_style: * * arguments: * * results: *****************************************/ void gtk_widget_set_style (GtkWidget *widget, GtkStyle *style) { g_return_if_fail (widget != NULL); GTK_WIDGET_SET_FLAGS (widget, GTK_USER_STYLE); gtk_widget_set_style_internal (widget, style); } /***************************************** * 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 (GTK_OBJECT (widget), aux_info_key); if (!aux_info) { aux_info = gtk_widget_aux_info_new (); gtk_object_set_data (GTK_OBJECT (widget), aux_info_key, 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 (GTK_OBJECT (widget), aux_info_key); if (!aux_info) { aux_info = gtk_widget_aux_info_new (); gtk_object_set_data (GTK_OBJECT (widget), aux_info_key, 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 (GTK_OBJECT (widget), event_key); if (events) { if (!eventp) eventp = g_new (gint, 1); *eventp = events; gtk_object_set_data (GTK_OBJECT (widget), event_key, eventp); } else { if (eventp) g_free (eventp); gtk_object_remove_data (GTK_OBJECT (widget), event_key); } } /***************************************** * 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 (GTK_OBJECT (widget), extension_event_key); if (!modep) modep = g_new (GdkExtensionMode, 1); *modep = mode; gtk_object_set_data (GTK_OBJECT (widget), extension_event_key, 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, gint type) { g_return_val_if_fail (widget != NULL, NULL); while (widget && !gtk_type_is_a (GTK_WIDGET_TYPE (widget), type)) widget = widget->parent; if (!(widget && gtk_type_is_a (GTK_WIDGET_TYPE (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_style: * * arguments: * * results: *****************************************/ GtkStyle* gtk_widget_get_style (GtkWidget *widget) { g_return_val_if_fail (widget != NULL, NULL); return widget->style; } /***************************************** * 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 (GTK_OBJECT (widget), event_key); 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 (GTK_OBJECT (widget), extension_event_key); 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) { colormap_stack = g_slist_prepend (colormap_stack, cmap); } /***************************************** * gtk_widget_push_visual: * * arguments: * * results: *****************************************/ void gtk_widget_push_visual (GdkVisual *visual) { visual_stack = g_slist_prepend (visual_stack, visual); } /***************************************** * gtk_widget_push_style: * * arguments: * * results: *****************************************/ void gtk_widget_push_style (GtkStyle *style) { gtk_style_ref (style); style_stack = g_slist_prepend (style_stack, style); } /***************************************** * 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_pop_style: * * arguments: * * results: *****************************************/ 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); } } /***************************************** * gtk_widget_set_default_colormap: * * arguments: * * results: *****************************************/ void gtk_widget_set_default_colormap (GdkColormap *colormap) { if (default_colormap && (default_colormap != colormap)) gdk_colormap_destroy (default_colormap); default_colormap = colormap; } /***************************************** * gtk_widget_set_default_visual: * * arguments: * * results: *****************************************/ void gtk_widget_set_default_visual (GdkVisual *visual) { default_visual = visual; } /***************************************** * gtk_widget_set_default_style: * * arguments: * * results: *****************************************/ void gtk_widget_set_default_style (GtkStyle *style) { if (default_style) gtk_style_unref (default_style); default_style = style; gtk_style_ref (default_style); } /* 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_NONE, sizeof(gushort), GDK_PROP_MODE_REPLACE, 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(&sev); } /***************************************** * 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_get_default_style: * * arguments: * * results: *****************************************/ GtkStyle* gtk_widget_get_default_style () { if (!default_style) { default_style = gtk_style_new (); gtk_style_ref (default_style); } return default_style; } /***************************************** * 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_real_widget_destroy: * * arguments: * * results: *****************************************/ static void gtk_real_widget_destroy (GtkObject *object) { GtkWidget *widget; GtkWidgetAuxInfo *aux_info; gint *events; GdkExtensionMode *mode; g_return_if_fail (object != NULL); g_return_if_fail (GTK_IS_WIDGET (object)); widget = GTK_WIDGET (object); if (GTK_WIDGET_REDRAW_PENDING (widget)) g_warning ("redraw pending\n"); if (GTK_WIDGET_RESIZE_PENDING (widget)) g_warning ("resize pending\n"); if (GTK_WIDGET_RESIZE_NEEDED (widget)) g_warning ("resize needed\n"); gtk_grab_remove (widget); gtk_selection_remove_all (widget); if (widget->name) g_free (widget->name); aux_info = gtk_object_get_data (GTK_OBJECT (widget), aux_info_key); if (aux_info) { gtk_widget_aux_info_destroy (aux_info); gtk_object_remove_data (GTK_OBJECT (widget), aux_info_key); } events = gtk_object_get_data (GTK_OBJECT (object), event_key); if (events) g_free (events); mode = gtk_object_get_data (GTK_OBJECT (object), extension_event_key); if (mode) g_free (mode); if (GTK_WIDGET_REALIZED (widget)) gtk_widget_unrealize (widget); gtk_style_unref (widget->style); if (GTK_OBJECT_CLASS (parent_class)->destroy) (* GTK_OBJECT_CLASS (parent_class)->destroy) (object); } /***************************************** * gtk_real_widget_show: * * arguments: * * results: *****************************************/ static void gtk_real_widget_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); if (GTK_WIDGET_MAPPED (widget->parent)) gtk_widget_map (widget); } } } /***************************************** * gtk_real_widget_hide: * * arguments: * * results: *****************************************/ static void gtk_real_widget_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_real_widget_map: * * arguments: * * results: *****************************************/ static void gtk_real_widget_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_real_widget_unmap: * * arguments: * * results: *****************************************/ static void gtk_real_widget_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_real_widget_realize: * * arguments: * * results: *****************************************/ static void gtk_real_widget_realize (GtkWidget *widget) { g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_WIDGET (widget)); GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED); if(widget->parent) widget->window = widget->parent->window; widget->style = gtk_style_attach (widget->style, widget->window); } /***************************************** * gtk_real_widget_unrealize: * * arguments: * * results: *****************************************/ static void gtk_real_widget_unrealize (GtkWidget *widget) { g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_WIDGET (widget)); GTK_WIDGET_UNSET_FLAGS (widget, GTK_REALIZED | GTK_MAPPED); gtk_style_detach (widget->style); if (!GTK_WIDGET_NO_WINDOW (widget)) { gdk_window_set_user_data (widget->window, NULL); gdk_window_destroy (widget->window); } widget->window = NULL; } /***************************************** * gtk_real_widget_draw: * * arguments: * * results: *****************************************/ static void gtk_real_widget_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.window = widget->window; event.area = *area; gtk_widget_event (widget, (GdkEvent*) &event); } } /***************************************** * gtk_real_widget_queue_draw: * * arguments: * * results: *****************************************/ static gint gtk_real_widget_queue_draw (GtkWidget *widget) { g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (GTK_IS_WIDGET (widget), FALSE); GTK_WIDGET_UNSET_FLAGS (widget, GTK_REDRAW_PENDING); gtk_object_unref (GTK_OBJECT (widget)); if (GTK_OBJECT_NEED_DESTROY (widget) && (GTK_OBJECT (widget)->ref_count == 0)) gtk_widget_destroy (widget); else gtk_widget_draw (widget, NULL); return FALSE; } /***************************************** * gtk_real_widget_queue_resize: * * arguments: * * results: *****************************************/ static gint gtk_real_widget_queue_resize (GtkWidget *widget) { GSList *resize_widgets; GSList *tmp_list; g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (GTK_IS_WIDGET (widget), FALSE); GTK_WIDGET_UNSET_FLAGS (widget, GTK_RESIZE_PENDING); gtk_object_unref (GTK_OBJECT (widget)); if (GTK_OBJECT_NEED_DESTROY (widget) && (GTK_OBJECT (widget)->ref_count == 0)) { gtk_widget_destroy (widget); } else { gtk_container_need_resize (GTK_CONTAINER (widget)); if (!GTK_WIDGET_RESIZE_PENDING (widget)) { resize_widgets = gtk_object_get_data (GTK_OBJECT (widget), resize_widgets_key); tmp_list = resize_widgets; while (tmp_list) { GtkWidget *child; child = tmp_list->data; tmp_list = tmp_list->next; /* referencing needed? */ GTK_WIDGET_UNSET_FLAGS (child, GTK_RESIZE_NEEDED); gtk_object_unref (GTK_OBJECT (child)); } if (resize_widgets) { gtk_object_set_data (GTK_OBJECT (widget), resize_widgets_key, NULL); g_slist_free (resize_widgets); } } } return FALSE; } /***************************************** * gtk_real_widget_size_allocate: * * arguments: * * results: *****************************************/ static void gtk_real_widget_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_peek_style: * * arguments: * * results: *****************************************/ static GtkStyle* gtk_widget_peek_style () { if (style_stack) return (GtkStyle*) style_stack->data; return gtk_widget_get_default_style (); } /***************************************** * gtk_widget_set_parent_sensitive: * * arguments: * * results: *****************************************/ static void gtk_widget_set_parent_sensitive (GtkWidget *widget, gpointer client_data) { GtkWidget *window; gint *sensitive; sensitive = client_data; if (*sensitive) { GTK_WIDGET_SET_FLAGS (widget, GTK_PARENT_SENSITIVE); if (GTK_IS_CONTAINER (widget) && GTK_WIDGET_SENSITIVE (widget)) gtk_container_foreach (GTK_CONTAINER (widget), gtk_widget_set_parent_sensitive, client_data); } else { GTK_WIDGET_UNSET_FLAGS (widget, GTK_PARENT_SENSITIVE); if (GTK_WIDGET_HAS_FOCUS (widget)) { window = gtk_widget_get_ancestor (widget, gtk_window_get_type ()); if (window) gtk_window_set_focus (GTK_WINDOW (window), NULL); } if (GTK_IS_CONTAINER (widget)) gtk_container_foreach (GTK_CONTAINER (widget), gtk_widget_set_parent_sensitive, client_data); } } /***************************************** * gtk_widget_propagate_restore: * * arguments: * * results: *****************************************/ static void gtk_widget_propagate_restore (GtkWidget *widget, gpointer client_data) { gtk_widget_restore_state (widget); } /***************************************** * gtk_widget_propagate_state: * * arguments: * * results: *****************************************/ static void gtk_widget_propagate_state (GtkWidget *widget, gpointer client_data) { GtkStateType *state; state = (GtkStateType*) client_data; gtk_widget_set_state (widget, *state); } /***************************************** * 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_set_style_internal: * * arguments: * * results: *****************************************/ static void gtk_widget_set_style_internal (GtkWidget *widget, GtkStyle *style) { GtkRequisition old_requisition; g_return_if_fail (widget != NULL); if (widget->style != style) { if (GTK_WIDGET_REALIZED (widget)) gtk_style_detach (widget->style); gtk_style_unref (widget->style); widget->style = style; gtk_style_ref (widget->style); if (GTK_WIDGET_REALIZED (widget)) widget->style = gtk_style_attach (widget->style, widget->window); if (widget->parent) { 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); } } } /***************************************** * gtk_widget_set_style_recurse: * * arguments: * * results: *****************************************/ static void gtk_widget_set_style_recurse (GtkWidget *widget, gpointer client_data) { GtkStyle *style; style = gtk_rc_get_style (widget); if (style != widget->style) gtk_widget_set_style_internal (widget, style); if (GTK_IS_CONTAINER (widget)) gtk_container_foreach (GTK_CONTAINER (widget), gtk_widget_set_style_recurse, NULL); } /***************************************** * 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); g_return_if_fail (shape_mask != NULL); /* set_shape doesn't work on widgets without gdk window */ g_return_if_fail (!GTK_WIDGET_NO_WINDOW (widget)); /* * remember shape mask for later gtk_widget_realize's */ 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; GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_SHAPE_MASK); /* * 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); }