Blame gtk/gtkitem.c

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/* GTK - The GIMP Toolkit
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 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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 *
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 * This library is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2 of the License, or (at your option) any later version.
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 *
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 * This library is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with this library; if not, write to the
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 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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 * Boston, MA 02111-1307, USA.
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 */
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/*
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 * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
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 * file for a list of people on the GTK+ Team.  See the ChangeLog
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 * files for a list of changes.  These files are distributed with
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 * GTK+ at ftp://ftp.gtk.org/pub/gtk/. 
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 */
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#include "config.h"
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#undef GTK_DISABLE_DEPRECATED
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#include "gtkitem.h"
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#include "gtkmarshalers.h"
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#include "gtkintl.h"
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#include "gtkalias.h"
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enum {
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  SELECT,
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  DESELECT,
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  TOGGLE,
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  LAST_SIGNAL
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};
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static void gtk_item_realize    (GtkWidget        *widget);
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static gint gtk_item_enter      (GtkWidget        *widget,
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				 GdkEventCrossing *event);
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static gint gtk_item_leave      (GtkWidget        *widget,
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				 GdkEventCrossing *event);
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static guint item_signals[LAST_SIGNAL] = { 0 };
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G_DEFINE_ABSTRACT_TYPE (GtkItem, gtk_item, GTK_TYPE_BIN)
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static void
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gtk_item_class_init (GtkItemClass *class)
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{
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  GObjectClass *object_class;
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  GtkWidgetClass *widget_class;
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  object_class = (GObjectClass*) class;
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  widget_class = (GtkWidgetClass*) class;
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  widget_class->realize = gtk_item_realize;
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  widget_class->enter_notify_event = gtk_item_enter;
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  widget_class->leave_notify_event = gtk_item_leave;
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  class->select = NULL;
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  class->deselect = NULL;
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  class->toggle = NULL;
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  item_signals[SELECT] =
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    g_signal_new (I_("select"),
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		  G_OBJECT_CLASS_TYPE (object_class),
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		  G_SIGNAL_RUN_FIRST,
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		  G_STRUCT_OFFSET (GtkItemClass, select),
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		  NULL, NULL,
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		  _gtk_marshal_VOID__VOID,
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		  G_TYPE_NONE, 0);
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  item_signals[DESELECT] =
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    g_signal_new (I_("deselect"),
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		  G_OBJECT_CLASS_TYPE (object_class),
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		  G_SIGNAL_RUN_FIRST,
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		  G_STRUCT_OFFSET (GtkItemClass, deselect),
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		  NULL, NULL,
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		  _gtk_marshal_VOID__VOID,
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		  G_TYPE_NONE, 0);
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  item_signals[TOGGLE] =
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    g_signal_new (I_("toggle"),
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		  G_OBJECT_CLASS_TYPE (object_class),
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		  G_SIGNAL_RUN_FIRST,
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		  G_STRUCT_OFFSET (GtkItemClass, toggle),
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		  NULL, NULL,
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		  _gtk_marshal_VOID__VOID,
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		  G_TYPE_NONE, 0);
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  widget_class->activate_signal = item_signals[TOGGLE];
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}
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static void
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gtk_item_init (GtkItem *item)
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{
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  gtk_widget_set_has_window (GTK_WIDGET (item), TRUE);
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}
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void
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gtk_item_select (GtkItem *item)
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{
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  g_signal_emit (item, item_signals[SELECT], 0);
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}
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void
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gtk_item_deselect (GtkItem *item)
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{
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  g_signal_emit (item, item_signals[DESELECT], 0);
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}
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void
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gtk_item_toggle (GtkItem *item)
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{
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  g_signal_emit (item, item_signals[TOGGLE], 0);
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}
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static void
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gtk_item_realize (GtkWidget *widget)
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{
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  GdkWindowAttr attributes;
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  gint attributes_mask;
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  gtk_widget_set_realized (widget, TRUE);
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  attributes.x = widget->allocation.x;
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  attributes.y = widget->allocation.y;
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  attributes.width = widget->allocation.width;
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  attributes.height = widget->allocation.height;
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  attributes.window_type = GDK_WINDOW_CHILD;
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  attributes.wclass = GDK_INPUT_OUTPUT;
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  attributes.visual = gtk_widget_get_visual (widget);
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  attributes.colormap = gtk_widget_get_colormap (widget);
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  attributes.event_mask = (gtk_widget_get_events (widget) |
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			   GDK_EXPOSURE_MASK |
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			   GDK_BUTTON_PRESS_MASK |
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			   GDK_BUTTON_RELEASE_MASK |
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			   GDK_ENTER_NOTIFY_MASK |
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			   GDK_LEAVE_NOTIFY_MASK |
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			   GDK_POINTER_MOTION_MASK);
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  attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
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  widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, attributes_mask);
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  gdk_window_set_user_data (widget->window, widget);
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  widget->style = gtk_style_attach (widget->style, widget->window);
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  gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
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  gdk_window_set_back_pixmap (widget->window, NULL, TRUE);
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}
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static gint
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gtk_item_enter (GtkWidget        *widget,
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		GdkEventCrossing *event)
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{
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  g_return_val_if_fail (GTK_IS_ITEM (widget), FALSE);
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  g_return_val_if_fail (event != NULL, FALSE);
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  return gtk_widget_event (widget->parent, (GdkEvent*) event);
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}
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static gint
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gtk_item_leave (GtkWidget        *widget,
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		GdkEventCrossing *event)
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{
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  g_return_val_if_fail (GTK_IS_ITEM (widget), FALSE);
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  g_return_val_if_fail (event != NULL, FALSE);
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  return gtk_widget_event (widget->parent, (GdkEvent*) event);
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}
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#define __GTK_ITEM_C__
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#include "gtkaliasdef.c"