This commit was manufactured by cvs2svn to create tagLIBGLADE_2_4_0

'LIBGLADE_2_4_0'.

svn path=/tags/LIBGLADE_2_4_0/; revision=23842

1 files changed, 0 insertions, 1096 deletions

diff --git a/widgets/misc/e-canvas.c b/widgets/misc/e-canvas.c
deleted file mode 100644
index 8be100fb4a..0000000000
--- a/widgets/misc/e-canvas.c
+++ /dev/null
@@ -1,1096 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/* 
- * e-canvas.c
- * Copyright 2000, 2001, Ximian, Inc.
- *
- * Authors:
- *   Chris Lahey <clahey@ximian.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License, version 2, as published by the Free Software Foundation.
- *
- * 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., 59 Temple Place - Suite 330, Boston, MA
- * 02111-1307, USA.
- */
-
-#include <gtk/gtksignal.h>
-#include "e-canvas.h"
-#include "gal/util/e-util.h"
-#include <X11/Xlib.h>
-#include <gtk/gtkmain.h>
-#include <gtk/gtkimmulticontext.h>
-
-static void e_canvas_init           (ECanvas         *card);
-static void e_canvas_dispose        (GObject        *object);
-static void e_canvas_class_init	    (ECanvasClass    *klass);
-static void e_canvas_realize        (GtkWidget        *widget);
-static void e_canvas_unrealize      (GtkWidget        *widget);
-static gint e_canvas_key            (GtkWidget        *widget,
-				     GdkEventKey      *event);
-static gint e_canvas_button         (GtkWidget        *widget,
-				     GdkEventButton   *event);
-
-static gint e_canvas_visibility     (GtkWidget        *widget,
-				     GdkEventVisibility *event,
-				     ECanvas          *canvas);
-
-static gint e_canvas_focus_in       (GtkWidget        *widget,
-				     GdkEventFocus    *event);
-static gint e_canvas_focus_out      (GtkWidget        *widget,
-				     GdkEventFocus    *event);
-
-static void e_canvas_style_set      (GtkWidget        *widget,
-				     GtkStyle         *previous_style);
-
-static int emit_event (GnomeCanvas *canvas, GdkEvent *event);
-
-#define PARENT_TYPE GNOME_TYPE_CANVAS
-static GnomeCanvasClass *parent_class = NULL;
-
-#define d(x)
-
-enum {
-	REFLOW,
-	LAST_SIGNAL
-};
-
-static guint e_canvas_signals [LAST_SIGNAL] = { 0, };
-
-E_MAKE_TYPE (e_canvas,
-	     "ECanvas",
-	     ECanvas,
-	     e_canvas_class_init,
-	     e_canvas_init,
-	     PARENT_TYPE)
-
-static void
-e_canvas_class_init (ECanvasClass *klass)
-{
-	GObjectClass *object_class;
-	GnomeCanvasClass *canvas_class;
-	GtkWidgetClass *widget_class;
-
-	object_class                       = (GObjectClass*) klass;
-	canvas_class                       = (GnomeCanvasClass *) klass;
-	widget_class                       = (GtkWidgetClass *) klass;
-
-	parent_class                       = g_type_class_ref (PARENT_TYPE);
-
-	object_class->dispose              = e_canvas_dispose;
-
-	widget_class->key_press_event      = e_canvas_key;
-	widget_class->key_release_event    = e_canvas_key;
-	widget_class->button_press_event   = e_canvas_button;
-	widget_class->button_release_event = e_canvas_button;
-	widget_class->focus_in_event       = e_canvas_focus_in;
-	widget_class->focus_out_event      = e_canvas_focus_out;
-	widget_class->style_set            = e_canvas_style_set;
-	widget_class->realize              = e_canvas_realize;
-	widget_class->unrealize            = e_canvas_unrealize;
-
-	klass->reflow                      = NULL;
-
-	e_canvas_signals [REFLOW] =
-		g_signal_new ("reflow",
-			      G_OBJECT_CLASS_TYPE (object_class),
-			      G_SIGNAL_RUN_LAST,
-			      G_STRUCT_OFFSET (ECanvasClass, reflow),
-			      NULL, NULL,
-			      e_marshal_NONE__NONE,
-			      G_TYPE_NONE, 0);
-}
-
-static void
-e_canvas_init (ECanvas *canvas)
-{
-	canvas->selection = NULL;
-	canvas->cursor = NULL;
-	canvas->im_context = gtk_im_multicontext_new ();
-	canvas->tooltip_window = NULL;
-}
-
-static void
-e_canvas_dispose (GObject *object)
-{
-	ECanvas *canvas = E_CANVAS(object);
-
-	if (canvas->idle_id)
-		g_source_remove(canvas->idle_id);
-	canvas->idle_id = 0;
-
-	if (canvas->grab_cancelled_check_id)
-		g_source_remove (canvas->grab_cancelled_check_id);
-	canvas->grab_cancelled_check_id = 0;
-
-	if (canvas->toplevel) {
-		if (canvas->visibility_notify_id)
-			g_signal_handler_disconnect (canvas->toplevel,
-						     canvas->visibility_notify_id);
-		canvas->visibility_notify_id = 0;
-
-		g_object_unref (canvas->toplevel);
-		canvas->toplevel = NULL;
-	}
-
-	if (canvas->im_context) {
-		g_object_unref (canvas->im_context);
-		canvas->im_context = NULL;
-	}
-
-	e_canvas_hide_tooltip(canvas);
-
-	if ((G_OBJECT_CLASS (parent_class))->dispose)
-		(*(G_OBJECT_CLASS (parent_class))->dispose) (object);
-}
-
-GtkWidget *
-e_canvas_new ()
-{
-	return GTK_WIDGET (g_object_new (E_CANVAS_TYPE, NULL));
-}
-
-
-/* Emits an event for an item in the canvas, be it the current item, grabbed
- * item, or focused item, as appropriate.
- */
-static int
-emit_event (GnomeCanvas *canvas, GdkEvent *event)
-{
-	GdkEvent *ev;
-	gint finished;
-	GnomeCanvasItem *item;
-	GnomeCanvasItem *parent;
-	guint mask;
-
-	/* Choose where we send the event */
-
-	item = canvas->current_item;
-
-	if (canvas->focused_item
-	    && ((event->type == GDK_KEY_PRESS) || (event->type == GDK_KEY_RELEASE) || (event->type == GDK_FOCUS_CHANGE)))
-		item = canvas->focused_item;
-
-	if (canvas->grabbed_item)
-		item = canvas->grabbed_item;
-
-	/* Perform checks for grabbed items */
-
-	if (canvas->grabbed_item) {
-		switch (event->type) {
-		case GDK_ENTER_NOTIFY:
-			mask = GDK_ENTER_NOTIFY_MASK;
-			break;
-
-		case GDK_LEAVE_NOTIFY:
-			mask = GDK_LEAVE_NOTIFY_MASK;
-			break;
-
-		case GDK_MOTION_NOTIFY:
-			mask = GDK_POINTER_MOTION_MASK;
-			break;
-
-		case GDK_BUTTON_PRESS:
-		case GDK_2BUTTON_PRESS:
-		case GDK_3BUTTON_PRESS:
-			mask = GDK_BUTTON_PRESS_MASK;
-			break;
-
-		case GDK_BUTTON_RELEASE:
-			mask = GDK_BUTTON_RELEASE_MASK;
-			break;
-
-		case GDK_KEY_PRESS:
-			mask = GDK_KEY_PRESS_MASK;
-			break;
-
-		case GDK_KEY_RELEASE:
-			mask = GDK_KEY_RELEASE_MASK;
-			break;
-
-		default:
-			mask = 0;
-			break;
-		}
-
-		if (!(mask & canvas->grabbed_event_mask))
-			return FALSE;
-	}
-
-	/* Convert to world coordinates -- we have two cases because of diferent
-	 * offsets of the fields in the event structures.
-	 */
-
-	ev = gdk_event_copy (event);
-
-	switch (ev->type) {
-	case GDK_ENTER_NOTIFY:
-	case GDK_LEAVE_NOTIFY:
-		gnome_canvas_window_to_world (canvas,
-					      ev->crossing.x, ev->crossing.y,
-					      &ev->crossing.x, &ev->crossing.y);
-		break;
-
-	case GDK_MOTION_NOTIFY:
-	case GDK_BUTTON_PRESS:
-	case GDK_2BUTTON_PRESS:
-	case GDK_3BUTTON_PRESS:
-	case GDK_BUTTON_RELEASE:
-		gnome_canvas_window_to_world (canvas,
-					      ev->motion.x, ev->motion.y,
-					      &ev->motion.x, &ev->motion.y);
-		break;
-
-	default:
-		break;
-	}
-
-	/* The event is propagated up the hierarchy (for if someone connected to
-	 * a group instead of a leaf event), and emission is stopped if a
-	 * handler returns TRUE, just like for GtkWidget events.
-	 */
-
-	finished = FALSE;
-
-	while (item && !finished) {
-		g_object_ref (item);
-
-		g_signal_emit_by_name (item, "event", ev, &finished);
-
-		parent = item->parent;
-		g_object_unref (item);
-
-		item = parent;
-	}
-
-	gdk_event_free (ev);
-
-	return finished;
-}
-
-/* Key event handler for the canvas */
-static gint
-e_canvas_key (GtkWidget *widget, GdkEventKey *event)
-{
-	GnomeCanvas *canvas;
-	GdkEvent full_event;
-
-	g_return_val_if_fail (widget != NULL, FALSE);
-	g_return_val_if_fail (GNOME_IS_CANVAS (widget), FALSE);
-	g_return_val_if_fail (event != NULL, FALSE);
-
-	canvas = GNOME_CANVAS (widget);
-	
-	full_event.key = *event;
-
-	return emit_event (canvas, &full_event);
-}
-
-
-/* This routine invokes the point method of the item.  The argument x, y should
- * be in the parent's item-relative coordinate system.  This routine applies the
- * inverse of the item's transform, maintaining the affine invariant.
- */
-#define HACKISH_AFFINE
-
-static double
-gnome_canvas_item_invoke_point (GnomeCanvasItem *item, double x, double y, int cx, int cy,
-				GnomeCanvasItem **actual_item)
-{
-#ifdef HACKISH_AFFINE
-	double i2w[6], w2c[6], i2c[6], c2i[6];
-	ArtPoint c, i;
-#endif
-
-#ifdef HACKISH_AFFINE
-	gnome_canvas_item_i2w_affine (item, i2w);
-	gnome_canvas_w2c_affine (item->canvas, w2c);
-	art_affine_multiply (i2c, i2w, w2c);
-	art_affine_invert (c2i, i2c);
-	c.x = cx;
-	c.y = cy;
-	art_affine_point (&i, &c, c2i);
-	x = i.x;
-	y = i.y;
-#endif
-
-	return (* GNOME_CANVAS_ITEM_CLASS (GTK_OBJECT_GET_CLASS (item))->point) (
-		item, x, y, cx, cy, actual_item);
-}
-
-/* Re-picks the current item in the canvas, based on the event's coordinates.
- * Also emits enter/leave events for items as appropriate.
- */
-#define DISPLAY_X1(canvas) (GNOME_CANVAS (canvas)->layout.xoffset)
-#define DISPLAY_Y1(canvas) (GNOME_CANVAS (canvas)->layout.yoffset)
-static int
-pick_current_item (GnomeCanvas *canvas, GdkEvent *event)
-{
-	int button_down;
-	double x, y;
-	int cx, cy;
-	int retval;
-
-	retval = FALSE;
-
-	/* If a button is down, we'll perform enter and leave events on the
-	 * current item, but not enter on any other item.  This is more or less
-	 * like X pointer grabbing for canvas items.
-	 */
-	button_down = canvas->state & (GDK_BUTTON1_MASK
-				       | GDK_BUTTON2_MASK
-				       | GDK_BUTTON3_MASK
-				       | GDK_BUTTON4_MASK
-				       | GDK_BUTTON5_MASK);
-	d(g_print ("%s:%d: button_down = %s\n", __FUNCTION__, __LINE__, button_down ? "TRUE" : "FALSE"));
-	if (!button_down)
-		canvas->left_grabbed_item = FALSE;
-
-	/* Save the event in the canvas.  This is used to synthesize enter and
-	 * leave events in case the current item changes.  It is also used to
-	 * re-pick the current item if the current one gets deleted.  Also,
-	 * synthesize an enter event.
-	 */
-	if (event != &canvas->pick_event) {
-		if ((event->type == GDK_MOTION_NOTIFY) || (event->type == GDK_BUTTON_RELEASE)) {
-			/* these fields have the same offsets in both types of events */
-
-			canvas->pick_event.crossing.type       = GDK_ENTER_NOTIFY;
-			canvas->pick_event.crossing.window     = event->motion.window;
-			canvas->pick_event.crossing.send_event = event->motion.send_event;
-			canvas->pick_event.crossing.subwindow  = NULL;
-			canvas->pick_event.crossing.x          = event->motion.x;
-			canvas->pick_event.crossing.y          = event->motion.y;
-			canvas->pick_event.crossing.mode       = GDK_CROSSING_NORMAL;
-			canvas->pick_event.crossing.detail     = GDK_NOTIFY_NONLINEAR;
-			canvas->pick_event.crossing.focus      = FALSE;
-			canvas->pick_event.crossing.state      = event->motion.state;
-
-			/* these fields don't have the same offsets in both types of events */
-
-			if (event->type == GDK_MOTION_NOTIFY) {
-				canvas->pick_event.crossing.x_root = event->motion.x_root;
-				canvas->pick_event.crossing.y_root = event->motion.y_root;
-			} else {
-				canvas->pick_event.crossing.x_root = event->button.x_root;
-				canvas->pick_event.crossing.y_root = event->button.y_root;
-			}
-		} else
-			canvas->pick_event = *event;
-	}
-
-	/* Don't do anything else if this is a recursive call */
-
-	if (canvas->in_repick)
-		return retval;
-
-	/* LeaveNotify means that there is no current item, so we don't look for one */
-
-	if (canvas->pick_event.type != GDK_LEAVE_NOTIFY) {
-		/* these fields don't have the same offsets in both types of events */
-
-		if (canvas->pick_event.type == GDK_ENTER_NOTIFY) {
-			x = canvas->pick_event.crossing.x + canvas->scroll_x1 - canvas->zoom_xofs;
-			y = canvas->pick_event.crossing.y + canvas->scroll_y1 - canvas->zoom_yofs;
-		} else {
-			x = canvas->pick_event.motion.x + canvas->scroll_x1 - canvas->zoom_xofs;
-			y = canvas->pick_event.motion.y + canvas->scroll_y1 - canvas->zoom_yofs;
-		}
-
-		/* canvas pixel coords */
-
-		cx = (int) (x + 0.5);
-		cy = (int) (y + 0.5);
-
-		/* world coords */
-
-		x = canvas->scroll_x1 + x / canvas->pixels_per_unit;
-		y = canvas->scroll_y1 + y / canvas->pixels_per_unit;
-
-		/* find the closest item */
-
-		if (canvas->root->object.flags & GNOME_CANVAS_ITEM_VISIBLE)
-			gnome_canvas_item_invoke_point (canvas->root, x, y, cx, cy,
-							&canvas->new_current_item);
-		else
-			canvas->new_current_item = NULL;
-	} else
-		canvas->new_current_item = NULL;
-
-	if ((canvas->new_current_item == canvas->current_item) && !canvas->left_grabbed_item)
-		return retval; /* current item did not change */
-
-	/* Synthesize events for old and new current items */
-
-	if ((canvas->new_current_item != canvas->current_item)
-	    && (canvas->current_item != NULL)
-	    && !canvas->left_grabbed_item) {
-		GdkEvent new_event;
-		GnomeCanvasItem *item;
-
-		item = canvas->current_item;
-
-		new_event = canvas->pick_event;
-		new_event.type = GDK_LEAVE_NOTIFY;
-
-		new_event.crossing.detail = GDK_NOTIFY_ANCESTOR;
-		new_event.crossing.subwindow = NULL;
-		canvas->in_repick = TRUE;
-		retval = emit_event (canvas, &new_event);
-		canvas->in_repick = FALSE;
-	}
-
-	/* new_current_item may have been set to NULL during the call to emit_event() above */
-
-	if ((canvas->new_current_item != canvas->current_item) && button_down) {
-		canvas->left_grabbed_item = TRUE;
-		return retval;
-	}
-
-	/* Handle the rest of cases */
-
-	canvas->left_grabbed_item = FALSE;
-	canvas->current_item = canvas->new_current_item;
-
-	if (canvas->current_item != NULL) {
-		GdkEvent new_event;
-
-		new_event = canvas->pick_event;
-		new_event.type = GDK_ENTER_NOTIFY;
-		new_event.crossing.detail = GDK_NOTIFY_ANCESTOR;
-		new_event.crossing.subwindow = NULL;
-		retval = emit_event (canvas, &new_event);
-	}
-
-	return retval;
-}
-
-/* Button event handler for the canvas */
-static gint
-e_canvas_button (GtkWidget *widget, GdkEventButton *event)
-{
-	GnomeCanvas *canvas;
-	int mask;
-	int retval;
-
-	g_return_val_if_fail (widget != NULL, FALSE);
-	g_return_val_if_fail (GNOME_IS_CANVAS (widget), FALSE);
-	g_return_val_if_fail (event != NULL, FALSE);
-
-	retval = FALSE;
-
-	canvas = GNOME_CANVAS (widget);
-
-	d(g_print ("button %d, event type %d, grabbed=%p, current=%p\n",
-		   event->button,
-		   event->type,
-		   canvas->grabbed_item,
-		   canvas->current_item));
-
-        /* dispatch normally regardless of the event's window if an item has
-           has a pointer grab in effect */
-	if (!canvas->grabbed_item && event->window != canvas->layout.bin_window)
-		return retval;
-
-	switch (event->button) {
-	case 1:
-		mask = GDK_BUTTON1_MASK;
-		break;
-	case 2:
-		mask = GDK_BUTTON2_MASK;
-		break;
-	case 3:
-		mask = GDK_BUTTON3_MASK;
-		break;
-	case 4:
-		mask = GDK_BUTTON4_MASK;
-		break;
-	case 5:
-		mask = GDK_BUTTON5_MASK;
-		break;
-	default:
-		mask = 0;
-	}
-
-	switch (event->type) {
-	case GDK_BUTTON_PRESS:
-	case GDK_2BUTTON_PRESS:
-	case GDK_3BUTTON_PRESS:
-		/* Pick the current item as if the button were not pressed, and
-		 * then process the event.
-		 */
-		canvas->state = event->state;
-		pick_current_item (canvas, (GdkEvent *) event);
-		canvas->state ^= mask;
-		retval = emit_event (canvas, (GdkEvent *) event);
-		break;
-
-	case GDK_BUTTON_RELEASE:
-		/* Process the event as if the button were pressed, then repick
-		 * after the button has been released
-		 */
-		canvas->state = event->state;
-		retval = emit_event (canvas, (GdkEvent *) event);
-		event->state ^= mask;
-		canvas->state = event->state;
-		pick_current_item (canvas, (GdkEvent *) event);
-		event->state ^= mask;
-		break;
-
-	default:
-		g_assert_not_reached ();
-	}
-
-	return retval;
-}
-
-/* Key event handler for the canvas */
-static gint
-e_canvas_visibility (GtkWidget *widget, GdkEventVisibility *event, ECanvas *canvas)
-{
-	if (! canvas->visibility_first) {
-		e_canvas_hide_tooltip(canvas);
-	}
-	canvas->visibility_first = FALSE;
-
-	return FALSE;
-}
-
-
-/**
- * e_canvas_item_grab_focus:
- * @item: A canvas item.
- * @widget_too: Whether or not to grab the widget-level focus too
- *
- * Makes the specified item take the keyboard focus, so all keyboard
- * events will be sent to it. If the canvas widget itself did not have
- * the focus and @widget_too is %TRUE, it grabs that focus as well.
- **/
-void
-e_canvas_item_grab_focus (GnomeCanvasItem *item, gboolean widget_too)
-{
-	GnomeCanvasItem *focused_item;
-	GdkEvent ev;
-
-	g_return_if_fail (item != NULL);
-	g_return_if_fail (GNOME_IS_CANVAS_ITEM (item));
-	g_return_if_fail (GTK_WIDGET_CAN_FOCUS (GTK_WIDGET (item->canvas)));
-
-	focused_item = item->canvas->focused_item;
-
-	if (focused_item) {
-		ev.focus_change.type = GDK_FOCUS_CHANGE;
-		ev.focus_change.window = GTK_LAYOUT (item->canvas)->bin_window;
-		ev.focus_change.send_event = FALSE;
-		ev.focus_change.in = FALSE;
-
-		emit_event (item->canvas, &ev);
-	}
-
-	item->canvas->focused_item = item;
-
-	if (widget_too && !GTK_WIDGET_HAS_FOCUS (GTK_WIDGET(item->canvas))) {
-		gtk_widget_grab_focus (GTK_WIDGET (item->canvas));
-	}
-
-	if (item) {
-		ev.focus_change.type = GDK_FOCUS_CHANGE;
-		ev.focus_change.window = GTK_LAYOUT (item->canvas)->bin_window;
-		ev.focus_change.send_event = FALSE;
-		ev.focus_change.in = TRUE;
-
-		emit_event (item->canvas, &ev);
-	}
-}
-
-/* Focus in handler for the canvas */
-static gint
-e_canvas_focus_in (GtkWidget *widget, GdkEventFocus *event)
-{
-	GnomeCanvas *canvas;
-	ECanvas *ecanvas;
-	GdkEvent full_event;
-
-	canvas = GNOME_CANVAS (widget);
-	ecanvas = E_CANVAS (widget);
-
-	GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
-
-	gtk_im_context_focus_in (ecanvas->im_context);
-
-	if (canvas->focused_item) {
-		full_event.focus_change = *event;
-		return emit_event (canvas, &full_event);
-	} else {
-		return FALSE;
-	}
-}
-
-/* Focus out handler for the canvas */
-static gint
-e_canvas_focus_out (GtkWidget *widget, GdkEventFocus *event)
-{
-	GnomeCanvas *canvas;
-	ECanvas *ecanvas;
-	GdkEvent full_event;
-
-	canvas = GNOME_CANVAS (widget);
-	ecanvas = E_CANVAS (widget);
-
-	GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
-
-	gtk_im_context_focus_out (ecanvas->im_context);
-
-	if (canvas->focused_item) {
-		full_event.focus_change = *event;
-		return emit_event (canvas, &full_event);
-	} else {
-		return FALSE;
-	}
-}
-
-static void
-ec_style_set_recursive (GnomeCanvasItem *item, GtkStyle *previous_style)
-{
-	guint signal_id = g_signal_lookup ("style_set", G_OBJECT_TYPE (item));
-	if (signal_id >= 1) {
-		GSignalQuery query;
-		g_signal_query (signal_id, &query);
-		if (query.return_type == GTK_TYPE_NONE && query.n_params == 1 && query.param_types[0] == GTK_TYPE_STYLE) {
-			g_signal_emit (item, signal_id, 0, previous_style);
-		}
-	}
-
-	if (GNOME_IS_CANVAS_GROUP (item) ) {
-		GList *items = GNOME_CANVAS_GROUP (item)->item_list;
-		for (; items; items = items->next)
-			ec_style_set_recursive (items->data, previous_style);
-	}
-}
-
-static void
-e_canvas_style_set (GtkWidget *widget, GtkStyle *previous_style)
-{
-	ec_style_set_recursive (GNOME_CANVAS_ITEM (gnome_canvas_root (GNOME_CANVAS (widget))), previous_style);
-}
-
-
-static void
-e_canvas_realize (GtkWidget *widget)
-{
-	ECanvas *ecanvas = E_CANVAS (widget);
-
-	if (GTK_WIDGET_CLASS (parent_class)->realize)
-		(* GTK_WIDGET_CLASS (parent_class)->realize) (widget);
-
-	gdk_window_set_back_pixmap (GTK_LAYOUT (widget)->bin_window, NULL, FALSE);
-
-	gtk_im_context_set_client_window (ecanvas->im_context, widget->window);
-}
-
-static void
-e_canvas_unrealize (GtkWidget *widget)
-{
-	ECanvas * ecanvas = E_CANVAS (widget);
-
-	if (ecanvas->idle_id) {
-		g_source_remove(ecanvas->idle_id);
-		ecanvas->idle_id = 0;
-	}
-
-	gtk_im_context_set_client_window (ecanvas->im_context, widget->window);
-
-	if (GTK_WIDGET_CLASS (parent_class)->unrealize)
-		(* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
-}
-
-static void
-e_canvas_item_invoke_reflow (GnomeCanvasItem *item, int flags)
-{
-	GnomeCanvasGroup *group;
-	GList *list;
-	GnomeCanvasItem *child;
-
-	if (GNOME_IS_CANVAS_GROUP (item)) {
-		group = GNOME_CANVAS_GROUP (item);
-		for (list = group->item_list; list; list = list->next) {
-			child = GNOME_CANVAS_ITEM (list->data);
-			if (child->object.flags & E_CANVAS_ITEM_DESCENDENT_NEEDS_REFLOW)
-				e_canvas_item_invoke_reflow (child, flags);
-		}
-	}
-
-	if (item->object.flags & E_CANVAS_ITEM_NEEDS_REFLOW) {
-		ECanvasItemReflowFunc func;
-		func = (ECanvasItemReflowFunc)
-			g_object_get_data (G_OBJECT (item),
-					   "ECanvasItem::reflow_callback");
-		if (func)
-			func (item, flags);
-	}
-
-	item->object.flags &= ~E_CANVAS_ITEM_NEEDS_REFLOW;
-	item->object.flags &= ~E_CANVAS_ITEM_DESCENDENT_NEEDS_REFLOW;
-}
-
-static void
-do_reflow (ECanvas *canvas)
-{
-	if (GNOME_CANVAS(canvas)->root->object.flags & E_CANVAS_ITEM_DESCENDENT_NEEDS_REFLOW)
-		e_canvas_item_invoke_reflow (GNOME_CANVAS(canvas)->root, 0);
-}
-
-/* Idle handler for the e-canvas.  It deals with pending reflows. */
-static gint
-idle_handler (gpointer data)
-{
-	ECanvas *canvas;
-
-	GDK_THREADS_ENTER();
-
-	canvas = E_CANVAS (data);
-	do_reflow (canvas);
-
-	/* Reset idle id */
-	canvas->idle_id = 0;
-
-	g_signal_emit (canvas,
-		       e_canvas_signals [REFLOW], 0);
-
-	GDK_THREADS_LEAVE();
-
-	return FALSE;
-}
-
-/* Convenience function to add an idle handler to a canvas */
-static void
-add_idle (ECanvas *canvas)
-{
-	if (canvas->idle_id != 0)
-		return;
-
-	canvas->idle_id = g_idle_add_full (G_PRIORITY_HIGH_IDLE, idle_handler, (gpointer) canvas, NULL);
-}
-
-static void
-e_canvas_item_descendent_needs_reflow (GnomeCanvasItem *item)
-{
-	if (item->object.flags & E_CANVAS_ITEM_DESCENDENT_NEEDS_REFLOW)
-		return;
-
-	item->object.flags |= E_CANVAS_ITEM_DESCENDENT_NEEDS_REFLOW;
-	if (item->parent)
-		e_canvas_item_descendent_needs_reflow(item->parent);
-}
-
-void
-e_canvas_item_request_reflow (GnomeCanvasItem *item)
-{
-	if (item->object.flags & GNOME_CANVAS_ITEM_REALIZED) {
-		item->object.flags |= E_CANVAS_ITEM_NEEDS_REFLOW;
-		e_canvas_item_descendent_needs_reflow(item);
-		add_idle(E_CANVAS(item->canvas));
-	}
-}
-
-void
-e_canvas_item_request_parent_reflow (GnomeCanvasItem *item)
-{
-	g_return_if_fail(item != NULL);
-	g_return_if_fail(GNOME_IS_CANVAS_ITEM(item));
-	e_canvas_item_request_reflow(item->parent);
-}
-
-void
-e_canvas_item_set_reflow_callback (GnomeCanvasItem *item, ECanvasItemReflowFunc func)
-{
-	g_object_set_data(G_OBJECT(item), "ECanvasItem::reflow_callback", (gpointer) func);
-}
-
-
-void
-e_canvas_item_set_selection_callback (GnomeCanvasItem *item, ECanvasItemSelectionFunc func)
-{
-	g_object_set_data(G_OBJECT(item), "ECanvasItem::selection_callback", (gpointer) func);
-}
-
-void
-e_canvas_item_set_selection_compare_callback (GnomeCanvasItem *item, ECanvasItemSelectionCompareFunc func)
-{
-	g_object_set_data(G_OBJECT(item), "ECanvasItem::selection_compare_callback", (gpointer) func);
-}
-
-void
-e_canvas_item_set_cursor (GnomeCanvasItem *item, gpointer id)
-{
-	GList *list;
-	int flags;
-	ECanvas *canvas;
-	ECanvasSelectionInfo *info;
-	ECanvasItemSelectionFunc func;
-
-	g_return_if_fail(item != NULL);
-	g_return_if_fail(GNOME_IS_CANVAS_ITEM(item));
-	g_return_if_fail(item->canvas != NULL);
-	g_return_if_fail(E_IS_CANVAS(item->canvas));
-
-	canvas = E_CANVAS(item->canvas);
-	flags = E_CANVAS_ITEM_SELECTION_DELETE_DATA;
-
-	for (list = canvas->selection; list; list = g_list_next(list)) {
-		info = list->data;
-
-		func = (ECanvasItemSelectionFunc)g_object_get_data(G_OBJECT(info->item),
-								   "ECanvasItem::selection_callback");
-		if (func)
-			func(info->item, flags, info->id);
-		g_message ("ECANVAS: free info (2): item %p, id %p",
-			   info->item, info->id);
-		g_object_unref (info->item);
-		g_free(info);
-	}
-	g_list_free(canvas->selection);
-
-	canvas->selection = NULL;
-
-	gnome_canvas_item_grab_focus(item);
-
-	info = g_new(ECanvasSelectionInfo, 1);
-	info->item = item;
-	g_object_ref (info->item);
-	info->id = id;
-	g_message ("ECANVAS: new info item %p, id %p", item, id);
-
-	flags = E_CANVAS_ITEM_SELECTION_SELECT | E_CANVAS_ITEM_SELECTION_CURSOR;
-	func = (ECanvasItemSelectionFunc)g_object_get_data(G_OBJECT(item),
-							   "ECanvasItem::selection_callback");
-	if (func)
-		func(item, flags, id);
-
-	canvas->selection = g_list_prepend(canvas->selection, info);
-	canvas->cursor = info;
-}
-
-void
-e_canvas_item_set_cursor_end (GnomeCanvasItem *item, gpointer id)
-{
-}
-
-void
-e_canvas_item_add_selection (GnomeCanvasItem *item, gpointer id)
-{
-	int flags;
-	ECanvas *canvas;
-	ECanvasSelectionInfo *info;
-	ECanvasItemSelectionFunc func;
-	GList *list;
-
-	g_return_if_fail(item != NULL);
-	g_return_if_fail(GNOME_IS_CANVAS_ITEM(item));
-	g_return_if_fail(item->canvas != NULL);
-	g_return_if_fail(E_IS_CANVAS(item->canvas));
-
-	flags = E_CANVAS_ITEM_SELECTION_SELECT;
-	canvas = E_CANVAS(item->canvas);
-
-	if (canvas->cursor) {
-		func = (ECanvasItemSelectionFunc)g_object_get_data(G_OBJECT(canvas->cursor->item),
-								   "ECanvasItem::selection_callback");
-		if (func)
-			func(canvas->cursor->item, flags, canvas->cursor->id);
-	}
-
-	gnome_canvas_item_grab_focus(item);
-
-	flags = E_CANVAS_ITEM_SELECTION_SELECT | E_CANVAS_ITEM_SELECTION_CURSOR;
-
-	for (list = canvas->selection; list; list = g_list_next(list)) {
-		ECanvasSelectionInfo *search;
-		search = list->data;
-
-		if (search->item == item) {
-			ECanvasItemSelectionCompareFunc compare_func;
-			compare_func = (ECanvasItemSelectionCompareFunc)g_object_get_data(G_OBJECT(search->item),
-											  "ECanvasItem::selection_compare_callback");
-
-			if (compare_func(search->item, search->id, id, 0) == 0) {
-				canvas->cursor = search;
-				func = (ECanvasItemSelectionFunc)g_object_get_data(G_OBJECT(item),
-										   "ECanvasItem::selection_callback");
-				if (func)
-					func(item, flags, search->id);
-				return;
-			}
-		}
-	}
-
-	info = g_new(ECanvasSelectionInfo, 1);
-	info->item = item;
-	g_object_ref (info->item);
-	info->id = id;
-	g_message ("ECANVAS: new info (2): item %p, id %p", item, id);
-
-	func = (ECanvasItemSelectionFunc)g_object_get_data(G_OBJECT(item),
-							   "ECanvasItem::selection_callback");
-	if (func)
-		func(item, flags, id);
-
-	canvas->selection = g_list_prepend(canvas->selection, info);
-	canvas->cursor = info;
-}
-
-void
-e_canvas_item_remove_selection (GnomeCanvasItem *item, gpointer id)
-{
-	int flags;
-	ECanvas *canvas;
-	ECanvasSelectionInfo *info;
-	GList *list;
-
-	g_return_if_fail(item != NULL);
-	g_return_if_fail(GNOME_IS_CANVAS_ITEM(item));
-	g_return_if_fail(item->canvas != NULL);
-	g_return_if_fail(E_IS_CANVAS(item->canvas));
-
-	flags = E_CANVAS_ITEM_SELECTION_DELETE_DATA;
-	canvas = E_CANVAS(item->canvas);
-
-	for (list = canvas->selection; list; list = g_list_next(list)) {
-		info = list->data;
-
-		if (info->item == item) {
-			ECanvasItemSelectionCompareFunc compare_func;
-			compare_func = (ECanvasItemSelectionCompareFunc)g_object_get_data(G_OBJECT(info->item),
-											  "ECanvasItem::selection_compare_callback");
-
-			if (compare_func(info->item, info->id, id, 0) == 0) {
-				ECanvasItemSelectionFunc func;
-				func = (ECanvasItemSelectionFunc) g_object_get_data(G_OBJECT(info->item),
-										    "ECanvasItem::selection_callback");
-				if (func)
-					func(info->item, flags, info->id);
-				canvas->selection = g_list_remove_link(canvas->selection, list);
-
-				if (canvas->cursor == info)
-					canvas->cursor = NULL;
-
-				g_message ("ECANVAS: removing info: item %p, info %p",
-					   info->item, info->id);
-				g_object_unref (info->item);
-				g_free(info);
-				g_list_free_1(list);
-				break;
-			}
-		}
-	}
-}
-
-void e_canvas_popup_tooltip (ECanvas *canvas, GtkWidget *widget, int x, int y)
-{
-	if (canvas->tooltip_window && canvas->tooltip_window != widget) {
-		e_canvas_hide_tooltip(canvas);
-	}
-	canvas->tooltip_window = widget;
-	canvas->visibility_first = TRUE;
-	if (canvas->toplevel == NULL) {
-		canvas->toplevel = gtk_widget_get_toplevel (GTK_WIDGET(canvas));
-		if (canvas->toplevel) {
-			gtk_widget_add_events(canvas->toplevel, GDK_VISIBILITY_NOTIFY_MASK);
-			g_object_ref (canvas->toplevel);
-			canvas->visibility_notify_id =
-				g_signal_connect (canvas->toplevel, "visibility_notify_event",
-						  G_CALLBACK (e_canvas_visibility), canvas);
-		}
-	}
-	gtk_widget_set_uposition (widget, x, y);
-	gtk_widget_show (widget);
-}
-
-void e_canvas_hide_tooltip  (ECanvas *canvas)
-{
-	if (canvas->tooltip_window) {
-		gtk_widget_destroy (canvas->tooltip_window);
-		canvas->tooltip_window = NULL;
-	}
-}
-
-
-static gboolean
-grab_cancelled_check (gpointer data)
-{
-	ECanvas *canvas = data;
-
-	if (GNOME_CANVAS (canvas)->grabbed_item == NULL) {
-		canvas->grab_cancelled_cb = NULL;
-		canvas->grab_cancelled_check_id = 0;
-		canvas->grab_cancelled_time = 0;
-		canvas->grab_cancelled_data = NULL;
-		return FALSE;
-	}
-
-	if (gtk_grab_get_current ()) {
-		gnome_canvas_item_ungrab(GNOME_CANVAS (canvas)->grabbed_item, canvas->grab_cancelled_time);
-		if (canvas->grab_cancelled_cb) {
-			canvas->grab_cancelled_cb (canvas,
-						   GNOME_CANVAS (canvas)->grabbed_item,
-						   canvas->grab_cancelled_data);
-		}
-		canvas->grab_cancelled_cb = NULL;
-		canvas->grab_cancelled_check_id = 0;
-		canvas->grab_cancelled_time = 0;
-		canvas->grab_cancelled_data = NULL;
-		return FALSE;
-	}
-	return TRUE;
-}
-
-int
-e_canvas_item_grab (ECanvas *canvas,
-		    GnomeCanvasItem *item,
-		    guint event_mask,
-		    GdkCursor *cursor,
-		    guint32 etime,
-		    ECanvasItemGrabCancelled cancelled_cb,
-		    gpointer cancelled_data)
-{
-	if (gtk_grab_get_current ()) {
-		return AlreadyGrabbed;
-	} else {
-		int ret_val = gnome_canvas_item_grab (item, event_mask, cursor, etime);
-		if (ret_val == GrabSuccess) {
-			canvas->grab_cancelled_cb = cancelled_cb;
-			canvas->grab_cancelled_check_id =
-				g_timeout_add_full (G_PRIORITY_LOW,
-						    100,
-						    grab_cancelled_check,
-						    canvas,
-						    NULL);
-			canvas->grab_cancelled_time = etime;
-			canvas->grab_cancelled_data = cancelled_data;
-		}
-
-		return ret_val;
-	}
-}
-
-void
-e_canvas_item_ungrab (ECanvas *canvas,
-		      GnomeCanvasItem *item,
-		      guint32 etime)
-{
-	if (canvas->grab_cancelled_check_id) {
-		g_source_remove (canvas->grab_cancelled_check_id);
-		canvas->grab_cancelled_cb = NULL;
-		canvas->grab_cancelled_check_id = 0;
-		canvas->grab_cancelled_time = 0;
-		canvas->grab_cancelled_data = NULL;
-		gnome_canvas_item_ungrab (item, etime);
-	}
-}