diff options
Diffstat (limited to 'gtk/gtkwidget.c')
| -rw-r--r-- | gtk/gtkwidget.c | 3390 |
1 files changed, 3390 insertions, 0 deletions
diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c new file mode 100644 index 000000000..26e0c9bbc --- /dev/null +++ b/gtk/gtkwidget.c @@ -0,0 +1,3390 @@ +/* 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 <stdarg.h> +#include <string.h> +#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); +} + |