1 files changed, 0 insertions, 696 deletions

diff --git a/widgets/misc/e-canvas.c b/widgets/misc/e-canvas.c
deleted file mode 100644
index fb67bf0379..0000000000
--- a/widgets/misc/e-canvas.c
+++ /dev/null
@@ -1,696 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/*
- * e-canvas.c
- * Copyright (C) 2000  Helix Code, Inc.
- * Author: Chris Lahey <clahey@helixcode.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This program 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
- * General Public License for more details.
- *
- * You should have received a copy of the GNU 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 <gnome.h>
-#include "e-canvas.h"
-static void e_canvas_init           (ECanvas         *card);
-static void e_canvas_destroy        (GtkObject        *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_focus_in       (GtkWidget        *widget,
-				     GdkEventFocus    *event);
-static gint e_canvas_focus_out      (GtkWidget        *widget,
-				     GdkEventFocus    *event);
-
-static int emit_event (GnomeCanvas *canvas, GdkEvent *event);
-
-static GnomeCanvasClass *parent_class = NULL;
-
-enum {
-	REFLOW,
-	LAST_SIGNAL
-};
-
-static guint e_canvas_signals [LAST_SIGNAL] = { 0, };
-
-GtkType
-e_canvas_get_type (void)
-{
-	static GtkType canvas_type = 0;
-
-	if (!canvas_type)
-	{
-		static const GtkTypeInfo canvas_info =
-		{
-			"ECanvas",
-			sizeof (ECanvas),
-			sizeof (ECanvasClass),
-			(GtkClassInitFunc) e_canvas_class_init,
-			(GtkObjectInitFunc) e_canvas_init,
-			/* reserved_1 */ NULL,
-			/* reserved_2 */ NULL,
-			(GtkClassInitFunc) NULL,
-		};
-
-		canvas_type = gtk_type_unique (gnome_canvas_get_type (), &canvas_info);
-	}
-
-	return canvas_type;
-}
-
-static void
-e_canvas_class_init (ECanvasClass *klass)
-{
-	GtkObjectClass *object_class;
-	GnomeCanvasClass *canvas_class;
-	GtkWidgetClass *widget_class;
-
-	object_class = (GtkObjectClass*) klass;
-	canvas_class = (GnomeCanvasClass *) klass;
-	widget_class = (GtkWidgetClass *) klass;
-
-	parent_class = gtk_type_class (gnome_canvas_get_type ());
-
-	object_class->destroy = e_canvas_destroy;
-
-	widget_class->key_press_event = e_canvas_key;
-	widget_class->key_release_event = e_canvas_key;
-	widget_class->focus_in_event = e_canvas_focus_in;
-	widget_class->focus_out_event = e_canvas_focus_out;
-	widget_class->realize = e_canvas_realize;
-	widget_class->unrealize = e_canvas_unrealize;
-
-	klass->reflow = NULL;
-
-	e_canvas_signals [REFLOW] =
-		gtk_signal_new ("reflow",
-				GTK_RUN_LAST,
-				object_class->type,
-				GTK_SIGNAL_OFFSET (ECanvasClass, reflow),
-				gtk_marshal_NONE__NONE,
-				GTK_TYPE_NONE, 0);
-
-	gtk_object_class_add_signals (object_class, e_canvas_signals, LAST_SIGNAL);
-}
-
-static void
-e_canvas_init (ECanvas *canvas)
-{
-	canvas->selection = NULL;
-	canvas->cursor = NULL;
-	canvas->ic = NULL;
-	canvas->ic_attr = NULL;
-}
-
-static void
-e_canvas_destroy (GtkObject *object)
-{
-	ECanvas *canvas = E_CANVAS(object);
-	if (canvas->idle_id)
-		g_source_remove(canvas->idle_id);
-	if ((GTK_OBJECT_CLASS (parent_class))->destroy)
-		(*(GTK_OBJECT_CLASS (parent_class))->destroy) (object);
-}
-
-GtkWidget *
-e_canvas_new ()
-{
-	return GTK_WIDGET (gtk_type_new (e_canvas_get_type ()));
-}
-
-
-/* Returns whether the item is an inferior of or is equal to the parent. */
-static int
-is_descendant (GnomeCanvasItem *item, GnomeCanvasItem *parent)
-{
-	for (; item; item = item->parent)
-		if (item == parent)
-			return TRUE;
-
-	return FALSE;
-}
-
-/* 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;
-
-	/* Perform checks for grabbed items */
-
-	if (canvas->grabbed_item && !is_descendant (canvas->current_item, canvas->grabbed_item))
-		return FALSE;
-
-	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 = *event;*/
-
-	switch (event->type) {
-	case GDK_ENTER_NOTIFY:
-	case GDK_LEAVE_NOTIFY:
-		gnome_canvas_window_to_world (canvas,
-					      event->crossing.x, 
-					      event->crossing.y,
-					      &(event->crossing.x), 
-					      &(event->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,
-					      event->motion.x, 
-					      event->motion.y,
-					      &(event->motion.x), 
-					      &(event->motion.y));
-		break;
-
-	default:
-		break;
-	}
-
-	/* 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;
-
-	/* 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) {
-		gtk_object_ref (GTK_OBJECT (item));
-
-		gtk_signal_emit_by_name (GTK_OBJECT (item), "event",
-					 event,
-					 &finished);
-
-		if (GTK_OBJECT_DESTROYED (item))
-			finished = TRUE;
-
-		parent = item->parent;
-		gtk_object_unref (GTK_OBJECT (item));
-
-		item = parent;
-	}
-
-	return finished;
-}
-
-/* Key event handler for the canvas */
-static gint
-e_canvas_key (GtkWidget *widget, GdkEventKey *event)
-{
-	GnomeCanvas *canvas;
-
-	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);
-
-	return emit_event (canvas, (GdkEvent *) event);
-}
-
-
-/**
- * e_canvas_item_grab_focus:
- * @item: A canvas item.
- *
- * 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, it grabs
- * it as well.
- **/
-void
-e_canvas_item_grab_focus (GnomeCanvasItem *item)
-{
-	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 (!GTK_WIDGET_HAS_FOCUS (GTK_WIDGET(item->canvas))) {
-		gtk_widget_grab_focus (GTK_WIDGET (item->canvas));
-	}
-
-	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 = 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;
-
-	canvas = GNOME_CANVAS (widget);
-	ecanvas = E_CANVAS (widget);
-
-	GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
-
-	if (ecanvas->ic)
-		gdk_im_begin (ecanvas->ic, canvas->layout.bin_window);
-
-	if (canvas->focused_item)
-		return emit_event (canvas, (GdkEvent *) event);
-	else
-		return FALSE;
-}
-
-/* Focus out handler for the canvas */
-static gint
-e_canvas_focus_out (GtkWidget *widget, GdkEventFocus *event)
-{
-	GnomeCanvas *canvas;
-	ECanvas *ecanvas;
-
-	canvas = GNOME_CANVAS (widget);
-	ecanvas = E_CANVAS (widget);
-
-	GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
-
-	if (ecanvas->ic)
-		gdk_im_end ();
-
-	if (canvas->focused_item)
-		return emit_event (canvas, (GdkEvent *) event);
-	else
-		return FALSE;
-}
-
-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);
-
-	if (gdk_im_ready () && (ecanvas->ic_attr = gdk_ic_attr_new ()) != NULL) {
-		GdkEventMask mask;
-		GdkICAttr *attr = ecanvas->ic_attr;
-		GdkICAttributesType attrmask = GDK_IC_ALL_REQ;
-		GdkIMStyle style;
-		GdkIMStyle supported_style = GDK_IM_PREEDIT_NONE |
-			GDK_IM_PREEDIT_NOTHING |
-			GDK_IM_STATUS_NONE |
-			GDK_IM_STATUS_NOTHING;
-
-		attr->style = style = gdk_im_decide_style (supported_style);
-		attr->client_window = ecanvas->parent.layout.bin_window;
-
-		ecanvas->ic = gdk_ic_new (attr, attrmask);
-		if (ecanvas->ic != NULL) {
-			mask = gdk_window_get_events (attr->client_window);
-			mask |= gdk_ic_get_events (ecanvas->ic);
-			gdk_window_set_events (attr->client_window, mask);
-
-			if (GTK_WIDGET_HAS_FOCUS (widget))
-				gdk_im_begin (ecanvas->ic, attr->client_window);
-		} else
-			g_warning ("Can't create input context.");
-	}
-
-}
-
-static void
-e_canvas_unrealize (GtkWidget *widget)
-{
-	ECanvas * ecanvas = E_CANVAS (widget);
-	if (ecanvas->ic) {
-		gdk_ic_destroy (ecanvas->ic);
-		ecanvas->ic = NULL;
-	}
-	if (ecanvas->ic_attr) {
-		gdk_ic_attr_destroy (ecanvas->ic_attr);
-		ecanvas->ic_attr = NULL;
-	}
-	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 = gtk_object_get_data (GTK_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;
-
-	gtk_signal_emit (GTK_OBJECT (canvas),
-			 e_canvas_signals [REFLOW]);
-
-	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)
-{
-	gtk_object_set_data(GTK_OBJECT(item), "ECanvasItem::reflow_callback", (gpointer) func);
-}
-
-
-void
-e_canvas_item_set_selection_callback (GnomeCanvasItem *item, ECanvasItemSelectionFunc func)
-{
-	gtk_object_set_data(GTK_OBJECT(item), "ECanvasItem::selection_callback", (gpointer) func);
-}
-
-void
-e_canvas_item_set_selection_compare_callback (GnomeCanvasItem *item, ECanvasItemSelectionCompareFunc func)
-{
-	gtk_object_set_data(GTK_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 = gtk_object_get_data(GTK_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);
-		gtk_object_unref (GTK_OBJECT (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;
-	gtk_object_ref (GTK_OBJECT (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 = gtk_object_get_data(GTK_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 = gtk_object_get_data(GTK_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 = gtk_object_get_data(GTK_OBJECT(search->item), "ECanvasItem::selection_compare_callback");
-
-			if (compare_func(search->item, search->id, id, 0) == 0) {
-				canvas->cursor = search;
-				func = gtk_object_get_data(GTK_OBJECT(item), "ECanvasItem::selection_callback");
-				if (func)
-					func(item, flags, search->id);
-				return;
-			}
-		}
-	}
-
-	info = g_new(ECanvasSelectionInfo, 1);
-	info->item = item;
-	gtk_object_ref (GTK_OBJECT (info->item));
-	info->id = id;
-	g_message ("ECANVAS: new info (2): item %p, id %p", item, id);
-
-	func = gtk_object_get_data(GTK_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 = gtk_object_get_data(GTK_OBJECT(info->item), "ECanvasItem::selection_compare_callback");
-
-			if (compare_func(info->item, info->id, id, 0) == 0) {
-				ECanvasItemSelectionFunc func;
-				func = gtk_object_get_data(GTK_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);
-				gtk_object_unref (GTK_OBJECT (info->item));
-				g_free(info);
-				g_list_free_1(list);
-				break;
-			}
-		}
-	}
-}