evolution/widgets/text/e-text.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* 
 * e-text.c - Text item for evolution.
 * Copyright 2000, 2001, Ximian, Inc.
 *
 * Authors:
 *   Chris Lahey <clahey@ximian.com>
 *   Jon Trowbridge <trow@ximian.com>
 *
 * A majority of code taken from:
 *
 * Text item type for GnomeCanvas widget
 *
 * GnomeCanvas is basically a port of the Tk toolkit's most excellent
 * canvas widget.  Tk is copyrighted by the Regents of the University
 * of California, Sun Microsystems, and other parties.
 *
 * Copyright (C) 1998 The Free Software Foundation
 *
 * Author: Federico Mena <federico@nuclecu.unam.mx>
 *
 * 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 <config.h>

#include "e-text.h"

#include <math.h>
#include <ctype.h>
#include <string.h>
#include <glib-object.h>
#include <gdk/gdkx.h> /* for BlackPixel */
#include <gtk/gtkinvisible.h>
#include <gtk/gtkmain.h>
#include <gtk/gtkselection.h>
#include <gtk/gtkwindow.h>
#include <gtk/gtktypebuiltins.h>
#include <libgnomecanvas/gnome-canvas-rect-ellipse.h>
#include <libgnome/gnome-i18n.h>
#include "gal/util/e-util.h"
#include "gal/widgets/e-canvas.h"
#include "gal/widgets/e-canvas-utils.h"
#include "gal/widgets/e-unicode.h"
#include "gal/util/e-text-event-processor-emacs-like.h"
#include "gal/util/e-util.h"
#include <libart_lgpl/art_affine.h>
#include <libart_lgpl/art_rgb.h>
#include <libart_lgpl/art_rgb_bitmap_affine.h>

#define PARENT_TYPE (gnome_canvas_item_get_type())

#define BORDER_INDENT 3
#define d(x)

enum {
	E_TEXT_CHANGED,
	E_TEXT_ACTIVATE,
	E_TEXT_KEYPRESS,
	E_TEXT_POPUP,
	E_TEXT_STYLE_SET,
	E_TEXT_LAST_SIGNAL
};

static GQuark e_text_signals[E_TEXT_LAST_SIGNAL] = { 0 };

/* Object argument IDs */
enum {
	PROP_0,
	PROP_MODEL,
	PROP_EVENT_PROCESSOR,
	PROP_TEXT,
	PROP_BOLD,
	PROP_STRIKEOUT,
	PROP_ANCHOR,
	PROP_JUSTIFICATION,
	PROP_CLIP_WIDTH,
	PROP_CLIP_HEIGHT,
	PROP_CLIP,
	PROP_FILL_CLIP_RECTANGLE,
	PROP_X_OFFSET,
	PROP_Y_OFFSET,
	PROP_FILL_COLOR,
	PROP_FILL_COLOR_GDK,
	PROP_FILL_COLOR_RGBA,
	PROP_FILL_STIPPLE,
	PROP_TEXT_WIDTH,
	PROP_TEXT_HEIGHT,
	PROP_EDITABLE,
	PROP_USE_ELLIPSIS,
	PROP_ELLIPSIS,
	PROP_LINE_WRAP,
	PROP_BREAK_CHARACTERS,
	PROP_MAX_LINES,
	PROP_WIDTH,
	PROP_HEIGHT,
	PROP_DRAW_BORDERS,
	PROP_ALLOW_NEWLINES,
	PROP_DRAW_BACKGROUND,
	PROP_DRAW_BUTTON,
	PROP_CURSOR_POS
};


enum {
	E_SELECTION_PRIMARY,
	E_SELECTION_CLIPBOARD
};
enum _TargetInfo {  
	TARGET_UTF8_STRING,
	TARGET_UTF8,
	TARGET_COMPOUND_TEXT,
	TARGET_STRING,
	TARGET_TEXT
};


static void e_text_command(ETextEventProcessor *tep, ETextEventProcessorCommand *command, gpointer data);

static void e_text_get_selection(EText *text, GdkAtom selection, guint32 time);
static void e_text_supply_selection (EText *text, guint time, GdkAtom selection, guchar *data, gint length);

static void e_text_text_model_changed(ETextModel *model, EText *text);
static void e_text_text_model_reposition (ETextModel *model, ETextModelReposFn fn, gpointer repos_data, gpointer data);

static void _get_tep(EText *text);

static GtkWidget *e_text_get_invisible(EText *text);
static void _selection_clear_event (GtkInvisible *invisible,
				    GdkEventSelection *event,
				    EText *text);
static void _selection_get (GtkInvisible *invisible,
			    GtkSelectionData *selection_data,
			    guint info,
			    guint time_stamp,
			    EText *text);
static void _selection_received (GtkInvisible *invisible,
				 GtkSelectionData *selection_data,
				 guint time,
				 EText *text);

static void calc_height (EText *text);

static GnomeCanvasItemClass *parent_class;
static GdkAtom clipboard_atom = GDK_NONE;



/* Dispose handler for the text item */


static void
e_text_style_set (EText *text, GtkStyle *previous_style)
{
	if ( text->line_wrap ) {
		text->needs_split_into_lines = 1;
	} else {
		text->needs_calc_height = 1;
	}
	e_canvas_item_request_reflow (GNOME_CANVAS_ITEM (text));
}

static void
e_text_dispose (GObject *object)
{
	EText *text;

	g_return_if_fail (object != NULL);
	g_return_if_fail (E_IS_TEXT (object));

	text = E_TEXT (object);

	if (text->tooltip_owner)
		e_canvas_hide_tooltip (E_CANVAS(GNOME_CANVAS_ITEM(text)->canvas));
	text->tooltip_owner = 0;

	if (text->model_changed_signal_id)
		g_signal_handler_disconnect (text->model, 
					     text->model_changed_signal_id);
	text->model_changed_signal_id = 0;

	if (text->model_repos_signal_id)
		g_signal_handler_disconnect (text->model,
					     text->model_repos_signal_id);
	text->model_repos_signal_id = 0;

	if (text->model)
		g_object_unref(text->model);
	text->model = NULL;

	if (text->tep_command_id)
		g_signal_handler_disconnect(text->tep,
					    text->tep_command_id);
	text->tep_command_id = 0;

	if (text->tep)
		g_object_unref (text->tep);
	text->tep = NULL;
	
	if (text->invisible)
		g_object_unref (text->invisible);
	text->invisible = NULL;

	g_free (text->primary_selection);
	text->primary_selection = NULL;

	g_free (text->clipboard_selection);
	text->clipboard_selection = NULL;

	g_free (text->revert);
	text->revert = NULL;

	if (text->stipple)
		gdk_bitmap_unref (text->stipple);
	text->stipple = NULL;

	if (text->timeout_id) {
		g_source_remove(text->timeout_id);
		text->timeout_id = 0;
	}
	
	if (text->timer) {
		g_timer_stop(text->timer);
		g_timer_destroy(text->timer);
		text->timer = NULL;
	}
				
	if ( text->tooltip_timeout ) {
		gtk_timeout_remove (text->tooltip_timeout);
		text->tooltip_timeout = 0;
	}

	if ( text->dbl_timeout ) {
		gtk_timeout_remove (text->dbl_timeout);
		text->dbl_timeout = 0;
	}

	if ( text->tpl_timeout ) {
		gtk_timeout_remove (text->tpl_timeout);
		text->tpl_timeout = 0;
	}

	if (text->layout) {
		g_object_unref (text->layout);
		text->layout = NULL;
	}

	if (G_OBJECT_CLASS (parent_class)->dispose)
		(* G_OBJECT_CLASS (parent_class)->dispose) (object);
}

static void
reset_layout_attrs (EText *text)
{
	PangoAttrList *attrs = NULL;
	int object_count;

	if (text->layout == NULL)
		return;

	object_count = e_text_model_object_count (text->model);

	if (text->bold || text->strikeout || object_count > 0) {
		int length = 0;
		int i;

		attrs = pango_attr_list_new ();

		for (i = 0; i < object_count; i++) {
			int start_pos, end_pos;
			PangoAttribute *attr = pango_attr_underline_new (PANGO_UNDERLINE_SINGLE);

			e_text_model_get_nth_object_bounds (text->model, i, &start_pos, &end_pos);

			attr->start_index = start_pos;
			attr->end_index = end_pos;

			pango_attr_list_insert (attrs, attr);
		}

		if (text->bold || text->strikeout)
			length = strlen (text->text);

		if (text->bold) {
			PangoAttribute *attr = pango_attr_weight_new (PANGO_WEIGHT_BOLD);
			attr->start_index = 0;
			attr->end_index = length;

			pango_attr_list_insert_before (attrs, attr);
		}
		if (text->strikeout) {
			PangoAttribute *attr = pango_attr_strikethrough_new (TRUE);
			attr->start_index = 0;
			attr->end_index = length;

			pango_attr_list_insert_before (attrs, attr);
		}
	}
	pango_layout_set_attributes (text->layout, attrs);
	if (attrs)
		pango_attr_list_unref (attrs);
	calc_height (text);
}

static void
create_layout (EText *text)
{
	GnomeCanvasItem *item = GNOME_CANVAS_ITEM (text);

	if (text->layout)
		return;

	text->layout = gtk_widget_create_pango_layout (GTK_WIDGET (item->canvas), text->text);
	if (text->line_wrap)
		pango_layout_set_width (text->layout, text->clip_width < 0 ? -1 : text->clip_width * PANGO_SCALE);
	reset_layout_attrs (text);
}

static void
reset_layout (EText *text)
{
	create_layout (text);

	pango_layout_set_text (text->layout, text->text, -1);
	reset_layout_attrs (text);

	if (!text->button_down) {
		PangoRectangle strong_pos, weak_pos;

		pango_layout_get_cursor_pos (text->layout, text->selection_end, &strong_pos, &weak_pos);

		if (strong_pos.x != weak_pos.x ||
		    strong_pos.y != weak_pos.y ||
		    strong_pos.width != weak_pos.width ||
		    strong_pos.height != weak_pos.height)
			show_pango_rectangle (text, weak_pos);

		show_pango_rectangle (text, strong_pos);
	}
}

static void
e_text_text_model_changed (ETextModel *model, EText *text)
{
	gint model_len = e_text_model_get_text_length (model);
	text->text = e_text_model_get_text(model);

	/* Make sure our selection doesn't extend past the bounds of our text. */
	text->selection_start = CLAMP (text->selection_start, 0, model_len);
	text->selection_end   = CLAMP (text->selection_end,   0, model_len);

	text->needs_reset_layout = 1;
	text->needs_split_into_lines = 1;
	text->needs_redraw = 1;
	e_canvas_item_request_reflow (GNOME_CANVAS_ITEM(text));
	gnome_canvas_item_request_update (GNOME_CANVAS_ITEM (text));

	g_signal_emit (text, e_text_signals[E_TEXT_CHANGED], 0);
}

static void
e_text_text_model_reposition (ETextModel *model, ETextModelReposFn fn, gpointer repos_data, gpointer user_data)
{
	EText *text = E_TEXT (user_data);
	gint model_len = e_text_model_get_text_length (model);

	text->selection_start = fn (text->selection_start, repos_data);
	text->selection_end   = fn (text->selection_end,   repos_data);

	/* Our repos function should make sure we don't overrun the buffer, but it never
	   hurts to be paranoid. */
	text->selection_start = CLAMP (text->selection_start, 0, model_len);
	text->selection_end   = CLAMP (text->selection_end,   0, model_len);

	if (text->selection_start > text->selection_end) {
		gint tmp = text->selection_start;
		text->selection_start = text->selection_end;
		text->selection_end = tmp;
	}
}

static void
get_bounds (EText *text, double *px1, double *py1, double *px2, double *py2)
{
	GnomeCanvasItem *item;
	double wx, wy, clip_width, clip_height;

	item = GNOME_CANVAS_ITEM (text);

	/* Get canvas pixel coordinates for text position */

	wx = 0;
	wy = 0;
	gnome_canvas_item_i2w (item, &wx, &wy);
	gnome_canvas_w2c (item->canvas, wx + text->xofs, wy + text->yofs, &text->cx, &text->cy);
	gnome_canvas_w2c (item->canvas, wx, wy, &text->clip_cx, &text->clip_cy);

	if (text->clip_width < 0)
		clip_width = text->width;
	else
		clip_width = text->clip_width;

	if ( text->clip_height < 0 )
		clip_height = text->height;
	else
		clip_height = text->clip_height;

	/* Get canvas pixel coordinates for clip rectangle position */
	text->clip_cwidth = clip_width * item->canvas->pixels_per_unit;
	text->clip_cheight = clip_height * item->canvas->pixels_per_unit;

	/* Anchor text */

	switch (text->anchor) {
	case GTK_ANCHOR_NW:
	case GTK_ANCHOR_W:
	case GTK_ANCHOR_SW:
		break;

	case GTK_ANCHOR_N:
	case GTK_ANCHOR_CENTER:
	case GTK_ANCHOR_S:
		text->cx -= text->width / 2;
		text->clip_cx -= text->clip_cwidth / 2;
		break;

	case GTK_ANCHOR_NE:
	case GTK_ANCHOR_E:
	case GTK_ANCHOR_SE:
		text->cx -= text->width;
		text->clip_cx -= text->clip_cwidth;
		break;
	}

	switch (text->anchor) {
	case GTK_ANCHOR_NW:
	case GTK_ANCHOR_N:
	case GTK_ANCHOR_NE:
		break;

	case GTK_ANCHOR_W:
	case GTK_ANCHOR_CENTER:
	case GTK_ANCHOR_E:
		text->cy -= text->height / 2;
		text->clip_cy -= text->clip_cheight / 2;
		break;

	case GTK_ANCHOR_SW:
	case GTK_ANCHOR_S:
	case GTK_ANCHOR_SE:
		text->cy -= text->height;
		text->clip_cy -= text->clip_cheight;
		break;
	}

	text->text_cx = text->cx;
	text->text_cy = text->cy;

	if (text->draw_borders) {
		text->text_cx += BORDER_INDENT;
		text->text_cy += BORDER_INDENT;
	}

	/* Bounds */

	if (text->clip) {
		*px1 = text->clip_cx;
		*py1 = text->clip_cy;
		*px2 = text->clip_cx + text->clip_cwidth;
		*py2 = text->clip_cy + text->clip_cheight;
	} else {
		*px1 = text->cx;
		*py1 = text->cy;
		*px2 = text->cx + text->width;
		*py2 = text->cy + text->height;
	}
}

static void
calc_height (EText *text)
{
	GnomeCanvasItem *item;
	int old_height;
	int old_width;
	int width = 0;
	int height = 0;

	item = GNOME_CANVAS_ITEM (text);

	/* Calculate text dimensions */

	old_height = text->height;
	old_width = text->width;

	if (text->layout)
		pango_layout_get_pixel_size (text->layout, &width, &height);

	text->height = height;
	text->width = width;

	if (old_height != text->height || old_width != text->width)
		e_canvas_item_request_parent_reflow(item);
}

static void
calc_ellipsis (EText *text)
{
#warning "AIEEEE FIX ME.  a pango layout per calc_ellipsis sucks"
	int width;
	PangoLayout *layout = gtk_widget_create_pango_layout (GTK_WIDGET (GNOME_CANVAS_ITEM (text)->canvas),
							      text->ellipsis ? text->ellipsis : "...");
	pango_layout_get_size (layout, &width, NULL);

	text->ellipsis_width = width;

	g_object_unref (layout);
}

static void
split_into_lines (EText *text)
{
	text->num_lines = pango_layout_get_line_count (text->layout);
}

/* Convenience function to set the text's GC's foreground color */
static void
set_text_gc_foreground (EText *text)
{
	if (!text->gc)
		return;

	gdk_gc_set_foreground (text->gc, &text->color);
}

/* Sets the stipple pattern for the text */
static void
set_stipple (EText *text, GdkBitmap *stipple, int reconfigure)
{
	if (text->stipple && !reconfigure)
		gdk_bitmap_unref (text->stipple);

	text->stipple = stipple;
	if (stipple && !reconfigure)
		gdk_bitmap_ref (stipple);

	if (text->gc) {
		if (stipple) {
			gdk_gc_set_stipple (text->gc, stipple);
			gdk_gc_set_fill (text->gc, GDK_STIPPLED);
		} else
			gdk_gc_set_fill (text->gc, GDK_SOLID);
	}
}

/* Set_arg handler for the text item */
static void
e_text_set_property (GObject *object,
                    guint prop_id,
                    const GValue *value,
                    GParamSpec *pspec)
{
	GnomeCanvasItem *item;
	EText *text;
	GdkColor color = { 0, 0, 0, 0, };
	GdkColor *pcolor;
	gboolean color_changed;
	int have_pixel;
	
	gboolean needs_update = 0;
	gboolean needs_reflow = 0;

	item = GNOME_CANVAS_ITEM (object);
	text = E_TEXT (object);

	color_changed = FALSE;
	have_pixel = FALSE;

	switch (prop_id) {
	case PROP_MODEL:

		if ( text->model_changed_signal_id )
			g_signal_handler_disconnect (text->model,
					     text->model_changed_signal_id);
		
		if ( text->model_repos_signal_id )
			g_signal_handler_disconnect (text->model,
						     text->model_repos_signal_id);

		g_object_unref (text->model);
		text->model = E_TEXT_MODEL (g_value_get_object (value));
		g_object_ref (text->model);

		text->model_changed_signal_id =
			g_signal_connect (text->model,
					  "changed",
					  G_CALLBACK (e_text_text_model_changed),
					  text);

		text->model_repos_signal_id =
			g_signal_connect (text->model,
					  "reposition",
					  G_CALLBACK (e_text_text_model_reposition),
					  text);

		text->text = e_text_model_get_text(text->model);
		g_signal_emit (text, e_text_signals[E_TEXT_CHANGED], 0);

		text->needs_split_into_lines = 1;
		needs_reflow = 1;
		break;

	case PROP_EVENT_PROCESSOR:
		if ( text->tep && text->tep_command_id )
			g_signal_handler_disconnect(text->tep,
						    text->tep_command_id);
		if ( text->tep ) {
			g_object_unref(text->tep);
		}
		text->tep = E_TEXT_EVENT_PROCESSOR(g_value_get_object (value));
		g_object_ref(text->tep);
		text->tep_command_id = 
			g_signal_connect(text->tep,
					 "command",
					 G_CALLBACK(e_text_command),
					 text);
		if (!text->allow_newlines)
			g_object_set (text->tep,
				      "allow_newlines", FALSE,
				      NULL);
		break;

	case PROP_TEXT:
		e_text_model_set_text(text->model, g_value_get_string (value));
		break;

	case PROP_BOLD:
		text->bold = g_value_get_boolean (value);
		text->style = text->bold ? E_FONT_BOLD : E_FONT_PLAIN;

		text->needs_redraw = 1;
		text->needs_recalc_bounds = 1;
		if ( text->line_wrap )
			text->needs_split_into_lines = 1;
		else {
			text->needs_calc_height = 1;
		}
		needs_update = 1;
		needs_reflow = 1;
		break;

	case PROP_STRIKEOUT:
		text->strikeout = g_value_get_boolean (value);
		text->needs_redraw = 1;
		needs_update = 1;
		break;

	case PROP_ANCHOR:
		text->anchor = g_value_get_enum (value);
		text->needs_recalc_bounds = 1;
		needs_update = 1;
		break;

	case PROP_JUSTIFICATION:
		text->justification = g_value_get_enum (value);
		text->needs_redraw = 1;
		needs_update = 1;
		break;

	case PROP_CLIP_WIDTH:
		text->clip_width = fabs (g_value_get_double (value));
		calc_ellipsis (text);
		if ( text->line_wrap )
			text->needs_split_into_lines = 1;
		else {
			text->needs_calc_height = 1;
		}
		needs_reflow = 1;
		break;

	case PROP_CLIP_HEIGHT:
		text->clip_height = fabs (g_value_get_double (value));
		text->needs_recalc_bounds = 1;
		/* toshok: kind of a hack - set needs_reset_layout
		   here so when something about the style/them
		   changes, we redraw the text at the proper size/with
		   the proper font. */
		text->needs_reset_layout = 1;
		needs_reflow = 1;
		break;

	case PROP_CLIP:
		text->clip = g_value_get_boolean (value);
		calc_ellipsis (text);
		if ( text->line_wrap )
			text->needs_split_into_lines = 1;
		else {
			text->needs_calc_height = 1;
		}
		needs_reflow = 1;
		break;

	case PROP_FILL_CLIP_RECTANGLE:
		text->fill_clip_rectangle = g_value_get_boolean (value);
		needs_update = 1;
		break;

	case PROP_X_OFFSET:
		text->xofs = g_value_get_double (value);
		text->needs_recalc_bounds = 1;
		needs_update = 1;
		break;

	case PROP_Y_OFFSET:
		text->yofs = g_value_get_double (value);
		text->needs_recalc_bounds = 1;
		needs_update = 1;
		break;

        case PROP_FILL_COLOR:
		if (g_value_get_string (value))
			gdk_color_parse (g_value_get_string (value), &color);

		text->rgba = ((color.red & 0xff00) << 16 |
			      (color.green & 0xff00) << 8 |
			      (color.blue & 0xff00) |
			      0xff);
		color_changed = TRUE;
		break;

	case PROP_FILL_COLOR_GDK:
		pcolor = g_value_get_boxed (value);
		if (pcolor) {
			color = *pcolor;
		}

		text->rgba = ((color.red & 0xff00) << 16 |
			      (color.green & 0xff00) << 8 |
			      (color.blue & 0xff00) |
			      0xff);
		color_changed = TRUE;
		break;

        case PROP_FILL_COLOR_RGBA:
		text->rgba = g_value_get_uint (value);
		color.red = ((text->rgba >> 24) & 0xff) * 0x101;
		color.green = ((text->rgba >> 16) & 0xff) * 0x101;
		color.blue = ((text->rgba >> 8) & 0xff) * 0x101;
		color_changed = TRUE;
		break;

	case PROP_FILL_STIPPLE:
		set_stipple (text, g_value_get_object (value), FALSE);
		text->needs_redraw = 1;
		needs_update = 1;
		break;

	case PROP_EDITABLE:
		text->editable = g_value_get_boolean (value);
		text->needs_redraw = 1;
		needs_update = 1;
		break;

	case PROP_USE_ELLIPSIS:
		text->use_ellipsis = g_value_get_boolean (value);
		needs_reflow = 1;
		break;

	case PROP_ELLIPSIS:
		if (text->ellipsis)
			g_free (text->ellipsis);

		text->ellipsis = g_strdup (g_value_get_string (value));
		calc_ellipsis (text);
		needs_reflow = 1;
		break;

	case PROP_LINE_WRAP:
		text->line_wrap = g_value_get_boolean (value);
		if (text->line_wrap) {
			if (text->layout) {
				pango_layout_set_width (text->layout, text->width < 0 ? -1 : text->width * PANGO_SCALE);
			}
		}
		text->needs_split_into_lines = 1;
		needs_reflow = 1;
		break;
		
	case PROP_BREAK_CHARACTERS:
		if ( text->break_characters ) {
			g_free(text->break_characters);
			text->break_characters = NULL;
		}
		if ( g_value_get_string (value) )
			text->break_characters = g_strdup( g_value_get_string (value) );
		text->needs_split_into_lines = 1;
		needs_reflow = 1;
		break;

	case PROP_MAX_LINES:
		text->max_lines = g_value_get_int (value);
		text->needs_split_into_lines = 1;
		needs_reflow = 1;
		break;

	case PROP_WIDTH:
		text->clip_width = fabs (g_value_get_double (value));
		calc_ellipsis (text);
		if ( text->line_wrap ) {
			if (text->layout) {
				pango_layout_set_width (text->layout, text->width < 0 ? -1 : text->width * PANGO_SCALE);
			}
			text->needs_split_into_lines = 1;
		}
		else {
			text->needs_calc_height = 1;
		}
		needs_reflow = 1;
		break;
		
	case PROP_DRAW_BORDERS:
		if (text->draw_borders != g_value_get_boolean (value)) {
			text->draw_borders = g_value_get_boolean (value);
			text->needs_calc_height = 1;
			text->needs_redraw = 1;
			needs_reflow = 1;
			needs_update = 1;
		}
		break;

	case PROP_DRAW_BACKGROUND:
		if (text->draw_background != g_value_get_boolean (value)) {
			text->draw_background = g_value_get_boolean (value);
			text->needs_redraw = 1;
		}
		break;

	case PROP_DRAW_BUTTON:
		if (text->draw_button !=  g_value_get_boolean (value)) {
			text->draw_button = g_value_get_boolean (value);
			text->needs_redraw = 1;
		}
		break;

	case PROP_ALLOW_NEWLINES:
		text->allow_newlines = g_value_get_boolean (value);
		_get_tep(text);
		g_object_set (text->tep,
			      "allow_newlines", g_value_get_boolean (value),
			      NULL);
		break;

	case PROP_CURSOR_POS: {
		ETextEventProcessorCommand command;

		command.action = E_TEP_MOVE;
		command.position = E_TEP_VALUE;
		command.value = g_value_get_int (value);
		command.time = GDK_CURRENT_TIME;
		e_text_command (text->tep, &command, text);
		break;
	}
		
	default:
		return;
	}

	if (color_changed) {
               GdkColormap *colormap = gtk_widget_get_colormap (GTK_WIDGET (item->canvas));

	       text->color = color;
               gdk_rgb_find_color (colormap, &text->color);

	       if (!item->canvas->aa)
		       set_text_gc_foreground (text);

	       text->needs_redraw = 1;
	       needs_update = 1;
	}

	if ( needs_reflow )
		e_canvas_item_request_reflow (item);
	if ( needs_update )
		gnome_canvas_item_request_update (item);
}

/* Get_arg handler for the text item */
static void
e_text_get_property (GObject *object,
                    guint prop_id,
                    GValue *value,
                    GParamSpec *pspec)
{
	EText *text;

	text = E_TEXT (object);

	switch (prop_id) {
	case PROP_MODEL:
		g_value_set_object (value, text->model);
		break;

	case PROP_EVENT_PROCESSOR:
		_get_tep(text);
		g_value_set_object (value, text->tep);
		break;

	case PROP_TEXT:
		g_value_set_string (value, g_strdup (text->text));
		break;

	case PROP_BOLD:
		g_value_set_boolean (value, text->bold);
		break;

	case PROP_STRIKEOUT:
		g_value_set_boolean (value, text->strikeout);
		break;

	case PROP_ANCHOR:
		g_value_set_enum (value, text->anchor);
		break;

	case PROP_JUSTIFICATION:
		g_value_set_enum (value, text->justification);
		break;

	case PROP_CLIP_WIDTH:
		g_value_set_double (value, text->clip_width);
		break;

	case PROP_CLIP_HEIGHT:
		g_value_set_double (value, text->clip_height);
		break;

	case PROP_CLIP:
		g_value_set_boolean (value, text->clip);
		break;

	case PROP_FILL_CLIP_RECTANGLE:
		g_value_set_boolean (value, text->fill_clip_rectangle);
		break;

	case PROP_X_OFFSET:
		g_value_set_double (value, text->xofs);
		break;

	case PROP_Y_OFFSET:
		g_value_set_double (value, text->yofs);
		break;

	case PROP_FILL_COLOR_GDK:
		g_value_set_boxed (value, &text->color);
		break;

	case PROP_FILL_COLOR_RGBA:
		g_value_set_uint (value, text->rgba);
		break;

	case PROP_FILL_STIPPLE:
		g_value_set_object (value, text->stipple);
		break;

	case PROP_TEXT_WIDTH:
		g_value_set_double (value, text->width / text->item.canvas->pixels_per_unit);
		break;

	case PROP_TEXT_HEIGHT:
		g_value_set_double (value, text->height / text->item.canvas->pixels_per_unit);
		break;
		
	case PROP_EDITABLE:
		g_value_set_boolean (value, text->editable);
		break;

	case PROP_USE_ELLIPSIS:
		g_value_set_boolean (value, text->use_ellipsis);
		break;

	case PROP_ELLIPSIS:
		g_value_set_string (value, g_strdup (text->ellipsis));
		break;

	case PROP_LINE_WRAP:
		g_value_set_boolean (value, text->line_wrap);
		break;
		
	case PROP_BREAK_CHARACTERS:
		g_value_set_string (value, g_strdup (text->break_characters));
		break;

	case PROP_MAX_LINES:
		g_value_set_int (value, text->max_lines);
		break;

	case PROP_WIDTH:
		g_value_set_double (value, text->clip_width);
		break;

	case PROP_HEIGHT:
		g_value_set_double (value, text->clip && text->clip_height != -1 ? text->clip_height : text->height / text->item.canvas->pixels_per_unit);
		break;

	case PROP_DRAW_BORDERS:
		g_value_set_boolean (value, text->draw_borders);
		break;

	case PROP_DRAW_BACKGROUND:
		g_value_set_boolean (value, text->draw_background);
		break;
		
	case PROP_DRAW_BUTTON:
		g_value_set_boolean (value, text->draw_button);
		break;
		
	case PROP_ALLOW_NEWLINES:
		g_value_set_boolean (value, text->allow_newlines);
		break;

	case PROP_CURSOR_POS:
		g_value_set_int (value, text->selection_start);
		break;
		
	default:
		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
		break;
	}
}

/* Update handler for the text item */
static void
e_text_reflow (GnomeCanvasItem *item, int flags)
{
	EText *text;

	text = E_TEXT (item);

	if (text->needs_reset_layout) {
		reset_layout (text);
		text->needs_reset_layout = 0;
		text->needs_calc_height = 1;
	}

	if (text->needs_split_into_lines) {
		split_into_lines (text);

		text->needs_split_into_lines = 0;
		text->needs_calc_height = 1;
	}

	if ( text->needs_calc_height ) {
		calc_height (text);
		gnome_canvas_item_request_update(item);
		text->needs_calc_height = 0;
		text->needs_recalc_bounds = 1;
	}
}

/* Update handler for the text item */
static void
e_text_update (GnomeCanvasItem *item, double *affine, ArtSVP *clip_path, int flags)
{
	EText *text;
	double x1, y1, x2, y2;

	text = E_TEXT (item);

	if (parent_class->update)
		(* parent_class->update) (item, affine, clip_path, flags);

	if ( text->needs_recalc_bounds
	     || (flags & GNOME_CANVAS_UPDATE_AFFINE)) {
		if (!item->canvas->aa) {
			set_text_gc_foreground (text);
			set_stipple (text, text->stipple, TRUE);
			get_bounds (text, &x1, &y1, &x2, &y2);
			if ( item->x1 != x1 ||
			     item->x2 != x2 ||
			     item->y1 != y1 ||
			     item->y2 != y2 ) {
				gnome_canvas_request_redraw (item->canvas, item->x1, item->y1, item->x2, item->y2);
				item->x1 = x1;
				item->y1 = y1;
				item->x2 = x2;
				item->y2 = y2;
				text->needs_redraw = 1;
				item->canvas->need_repick = TRUE;
			}
			if (!text->fill_clip_rectangle)
				item->canvas->need_repick = TRUE;
		}
		text->needs_recalc_bounds = 0;
	}
	if ( text->needs_redraw ) {
		gnome_canvas_request_redraw (item->canvas, item->x1, item->y1, item->x2, item->y2);
		text->needs_redraw = 0;
	}
}

/* Realize handler for the text item */
static void
e_text_realize (GnomeCanvasItem *item)
{
	EText *text;

	text = E_TEXT (item);

	if (parent_class->realize)
		(* parent_class->realize) (item);

	create_layout (text);

	text->gc = gdk_gc_new (item->canvas->layout.bin_window);
#ifndef NO_WARNINGS
#warning Color brokenness ...
#endif
#if 0
	gdk_color_context_query_color (item->canvas->cc, &text->color);
	gdk_gc_set_foreground (text->gc, &text->color);
#endif
	
	text->i_cursor = gdk_cursor_new (GDK_XTERM);
	text->default_cursor = gdk_cursor_new (GDK_LEFT_PTR);
}

/* Unrealize handler for the text item */
static void
e_text_unrealize (GnomeCanvasItem *item)
{
	EText *text;

	text = E_TEXT (item);

	gdk_gc_unref (text->gc);
	text->gc = NULL;

	gdk_cursor_destroy (text->i_cursor);
	text->i_cursor = NULL;
	gdk_cursor_destroy (text->default_cursor);
	text->default_cursor = NULL;

	if (parent_class->unrealize)
		(* parent_class->unrealize) (item);
}

static void
_get_tep(EText *text)
{
	if (!text->tep) {
		text->tep = e_text_event_processor_emacs_like_new();
		text->tep_command_id = 
			g_signal_connect(text->tep,
					 "command",
					 G_CALLBACK(e_text_command),
					 text);
	}
}

static void
draw_pango_rectangle (GdkDrawable *drawable, GdkGC *gc, int x1, int y1, PangoRectangle rect)
{
	int width = rect.width / PANGO_SCALE;
	int height = rect.height / PANGO_SCALE;
	if (width <= 0)
		width = 1;
	if (height <= 0)
		height = 1;
	gdk_draw_rectangle (drawable, gc, TRUE,
			    x1 + rect.x / PANGO_SCALE, y1 + rect.y / PANGO_SCALE, width, height);
}

static gboolean
show_pango_rectangle (EText *text, PangoRectangle rect)
{
	int x1 = rect.x / PANGO_SCALE;
	int x2 = (rect.x + rect.width) / PANGO_SCALE;

	int y1 = rect.y / PANGO_SCALE;
	int y2 = (rect.y + rect.height) / PANGO_SCALE;

	int new_xofs_edit = text->xofs_edit;
	int new_yofs_edit = text->yofs_edit;

	int clip_width, clip_height;

	clip_width = text->clip_width;
	if (clip_width >= 0 && text->draw_borders) {
		clip_width -= 6;
		if (clip_width < 0)
			clip_width = 0;
	}

	clip_height = text->clip_height;

	if (clip_height >= 0 && text->draw_borders) {
		clip_height -= 6;
		if (clip_height < 0)
			clip_height = 0;
	}

	if (x1 < new_xofs_edit)
		new_xofs_edit = x1;

	if (y1 < new_yofs_edit)
		new_yofs_edit = y1;

	if (clip_width >= 0) {
		if (2 + x2 - clip_width > new_xofs_edit)
			new_xofs_edit = 2 + x2 - clip_width;
	} else {
		new_xofs_edit = 0;
	}

	if (clip_height >= 0) {
		if (y2 - clip_height > new_yofs_edit)
			new_yofs_edit = y2 - clip_height;
	} else {
		new_yofs_edit = 0;
	}

	if (new_xofs_edit < 0)
		new_xofs_edit = 0;
	if (new_yofs_edit < 0)
		new_yofs_edit = 0;

	if (new_xofs_edit != text->xofs_edit ||
	    new_yofs_edit != text->yofs_edit) {
		text->xofs_edit = new_xofs_edit;
		text->yofs_edit = new_yofs_edit;
		return TRUE;
	}

	return FALSE;
}

/* Draw handler for the text item */
static void
e_text_draw (GnomeCanvasItem *item, GdkDrawable *drawable,
	     int x, int y, int width, int height)
{
	EText *text;
	GdkRectangle rect, *clip_rect;
	int xpos, ypos;
	GdkGC *main_gc;
	GnomeCanvas *canvas;
	GtkWidget *widget;

	text = E_TEXT (item);
	canvas = GNOME_CANVAS_ITEM(text)->canvas;
	widget = GTK_WIDGET(canvas);

	if (text->draw_background || text->draw_button) {
		main_gc = widget->style->fg_gc[GTK_WIDGET_STATE (widget)];
	} else {
		main_gc = text->gc;
	}

	if (text->draw_borders || text->draw_background) {
		gdouble thisx = item->x1 - x;
		gdouble thisy = item->y1 - y;
		gdouble thiswidth, thisheight;
		GtkWidget *widget = GTK_WIDGET(item->canvas);

		g_object_get(text,
			     "width", &thiswidth,
			     "height", &thisheight,
			     NULL);
		
		if (text->draw_borders){

			if (text->editing) {
				thisx += 1;
				thisy += 1;
				thiswidth -= 2;
				thisheight -= 2;
			}

			gtk_paint_shadow (widget->style, drawable,
					  GTK_STATE_NORMAL, GTK_SHADOW_IN,
					  NULL, widget, "entry",
					  thisx, thisy, thiswidth, thisheight);
		
			if (text->editing) {
				thisx -= 1;
				thisy -= 1;
				thiswidth += 2;
				thisheight += 2;
				/*
				 * Chris: I am here "filling in" for the additions
				 * and substractions done in the previous if (text->editing).
				 * but you might have other plans for this.  Please enlighten
				 * me as to whether it should be:
				 * thiswidth + 2 or thiswidth + 1.
				 */
				gtk_paint_focus (widget->style, drawable, GTK_STATE_NORMAL,
						 NULL, widget, "entry",
						 thisx, thisy, thiswidth - 1, thisheight - 1);
			}
		}

		if (text->draw_background) {
			gtk_paint_flat_box (widget->style, drawable,
					    GTK_WIDGET_STATE(widget), GTK_SHADOW_NONE,
					    NULL, widget, "entry_bg", 
					    thisx + widget->style->xthickness,
					    thisy + widget->style->ythickness, 
					    thiswidth - widget->style->xthickness * 2,
					    thisheight - widget->style->ythickness * 2);
		}
	}
	if (text->draw_button) {
		GtkWidget *widget;
		int xoff = item->x1 - x;
		int yoff = item->y1 - y;

		widget = GTK_WIDGET (item->canvas);

		xoff -= widget->allocation.x;
		yoff -= widget->allocation.y;

		widget = widget->parent;

		while (widget && !GTK_IS_BUTTON(widget)) {
			if (!GTK_WIDGET_NO_WINDOW (widget)) {
				widget = NULL;
				break;
			}
			widget = widget->parent;
		}
		if (widget) {
			GtkButton *button = GTK_BUTTON (widget);
			GtkShadowType shadow_type;
			int thisx, thisy, thisheight, thiswidth;
			int default_spacing;
			GdkRectangle area;
			area.x = 0;
			area.y = 0;
			area.width = width;
			area.height = height;

#define DEFAULT_SPACING   7
#if 0
			default_spacing = gtk_style_get_prop_experimental (widget->style,
									   "GtkButton::default_spacing",
									   DEFAULT_SPACING);
#endif
			default_spacing = 7;

			thisx = 0;
			thisy = 0;
			thiswidth = widget->allocation.width - GTK_CONTAINER (widget)->border_width * 2;
			thisheight = widget->allocation.height - GTK_CONTAINER (widget)->border_width * 2;

			if (GTK_WIDGET_HAS_DEFAULT (widget) &&
			    GTK_BUTTON (widget)->relief == GTK_RELIEF_NORMAL)
				{
					gtk_paint_box (widget->style, drawable,
						       GTK_STATE_NORMAL, GTK_SHADOW_IN,
						       &area, widget, "buttondefault",
						       thisx + xoff, thisy + yoff, thiswidth, thisheight);
				}

			if (GTK_WIDGET_CAN_DEFAULT (widget)) {
				thisx += widget->style->xthickness;
				thisy += widget->style->ythickness;
				thiswidth -= 2 * thisx + default_spacing;
				thisheight -= 2 * thisy + default_spacing;
				thisx += (1 + default_spacing) / 2;
				thisy += (1 + default_spacing) / 2;
			}

			if (GTK_WIDGET_HAS_FOCUS (widget)) {
				thisx += 1;
				thisy += 1;
				thiswidth -= 2;
				thisheight -= 2;
			}

			if (GTK_WIDGET_STATE (widget) == GTK_STATE_ACTIVE)
				shadow_type = GTK_SHADOW_IN;
			else
				shadow_type = GTK_SHADOW_OUT;

			if ((button->relief != GTK_RELIEF_NONE) ||
			    ((GTK_WIDGET_STATE(widget) != GTK_STATE_NORMAL) &&
			     (GTK_WIDGET_STATE(widget) != GTK_STATE_INSENSITIVE)))
			gtk_paint_box (widget->style, drawable,
				       GTK_WIDGET_STATE (widget),
				       shadow_type, &area, widget, "button",
				       thisx + xoff, thisy + yoff, thiswidth, thisheight);

			if (GTK_WIDGET_HAS_FOCUS (widget)) {
				thisx -= 1;
				thisy -= 1;
				thiswidth += 2;
				thisheight += 2;

				gtk_paint_focus (widget->style, widget->window, GTK_WIDGET_STATE (widget),
						 &area, widget, "button",
						 thisx + xoff, thisy + yoff, thiswidth - 1, thisheight - 1);
			}
		}
	}

	if (!text->text)
		return;

	clip_rect = NULL;
	if (text->clip) {
		rect.x = text->clip_cx - x;
		rect.y = text->clip_cy - y;
		rect.width = text->clip_cwidth;
		rect.height = text->clip_cheight;
		
		gdk_gc_set_clip_rectangle (main_gc, &rect);
		clip_rect = &rect;
	}

	if (text->stipple)
		gnome_canvas_set_stipple_origin (item->canvas, main_gc);

	xpos = text->text_cx;
	ypos = text->text_cy;

	xpos -= x;
	ypos -= y;

	if (text->editing) {
		xpos -= text->xofs_edit;
		ypos -= text->yofs_edit;
	}

	gdk_draw_layout (drawable, main_gc,
			 xpos, ypos,
			 text->layout);

	if (text->editing) {
		if (text->selection_start != text->selection_end) {
			int start_index, end_index;
			PangoLayoutLine *line;
			gint *ranges;
			gint n_ranges, i;
			PangoRectangle logical_rect;
			GdkRegion *clip_region = gdk_region_new ();
			GdkGC *selection_gc;
			GdkGC *text_gc;

			start_index = MIN (text->selection_start, text->selection_end);
			end_index = text->selection_start ^ text->selection_end ^ start_index;

			if (text->has_selection) {
				selection_gc = widget->style->base_gc [GTK_STATE_SELECTED];
				text_gc = widget->style->text_gc[GTK_STATE_SELECTED];
			} else {
				selection_gc = widget->style->base_gc [GTK_STATE_ACTIVE];
				text_gc = widget->style->text_gc[GTK_STATE_ACTIVE];
			}

			gdk_gc_set_clip_rectangle (selection_gc, clip_rect);

			line = pango_layout_get_lines (text->layout)->data;

			pango_layout_line_get_x_ranges (line, start_index, end_index, &ranges, &n_ranges);

			pango_layout_get_extents (text->layout, NULL, &logical_rect);

			for (i=0; i < n_ranges; i++) {
				GdkRectangle sel_rect;

				sel_rect.x = xpos + ranges[2*i] / PANGO_SCALE;
				sel_rect.y = ypos;
				sel_rect.width = (ranges[2*i + 1] - ranges[2*i]) / PANGO_SCALE;
				sel_rect.height = logical_rect.height / PANGO_SCALE;

				gdk_draw_rectangle (drawable, selection_gc, TRUE,
						    sel_rect.x, sel_rect.y, sel_rect.width, sel_rect.height);

				gdk_region_union_with_rect (clip_region, &sel_rect);
			}

			if (clip_rect) {
				GdkRegion *rect_region = gdk_region_rectangle (clip_rect);
				gdk_region_intersect (clip_region, rect_region);
				gdk_region_destroy (rect_region);
			}

			gdk_gc_set_clip_region (text_gc, clip_region);
			gdk_draw_layout (drawable, text_gc, 
					 xpos, ypos,
					 text->layout);

			gdk_gc_set_clip_region (text_gc, NULL);
			gdk_gc_set_clip_region (selection_gc, NULL);

			gdk_region_destroy (clip_region);
			g_free (ranges);
		} else {
			if (text->show_cursor) {
				PangoRectangle strong_pos, weak_pos;
				pango_layout_get_cursor_pos (text->layout, text->selection_start, &strong_pos, &weak_pos);
				draw_pango_rectangle (drawable, main_gc, xpos, ypos, strong_pos);
				if (strong_pos.x != weak_pos.x ||
				    strong_pos.y != weak_pos.y ||
				    strong_pos.width != weak_pos.width ||
				    strong_pos.height != weak_pos.height)
					draw_pango_rectangle (drawable, main_gc, xpos, ypos, weak_pos);
			}
		}
	}


	if (text->clip) {
		gdk_gc_set_clip_rectangle (main_gc, NULL);
	}
}

/* Point handler for the text item */
static double
e_text_point (GnomeCanvasItem *item, double x, double y,
	      int cx, int cy, GnomeCanvasItem **actual_item)
{
	EText *text;
	double clip_width;
	double clip_height;

	text = E_TEXT (item);

	*actual_item = item;

	/* The idea is to build bounding rectangles for each of the lines of
	 * text (clipped by the clipping rectangle, if it is activated) and see
	 * whether the point is inside any of these.  If it is, we are done.
	 * Otherwise, calculate the distance to the nearest rectangle.
	 */

	if (text->clip_width < 0)
		clip_width = text->width;
	else
		clip_width = text->clip_width;

	if ( text->clip_height < 0 )
		clip_height = text->height;
	else
		clip_height = text->clip_height;

	/* Get canvas pixel coordinates for clip rectangle position */
	clip_width = clip_width * item->canvas->pixels_per_unit;
	clip_height = clip_height * item->canvas->pixels_per_unit;

	if (cx < text->clip_cx ||
	    cx > text->clip_cx + clip_width ||
	    cy < text->clip_cy ||
	    cy > text->clip_cy + clip_height)
		return 1;

	if (text->fill_clip_rectangle)
		return 0;

	cx -= text->cx;

	if (pango_layout_xy_to_index (text->layout, cx, cy, NULL, NULL))
		return 0;

	return 1;
}

/* Bounds handler for the text item */
static void
e_text_bounds (GnomeCanvasItem *item, double *x1, double *y1, double *x2, double *y2)
{
	EText *text;
	double width, height;

	text = E_TEXT (item);

	*x1 = 0;
	*y1 = 0;

	width = text->width;
	height = text->height;

	if (text->clip) {
		if (text->clip_width >= 0)
			width = text->clip_width;
		if ( text->clip_height >= 0 )
			height = text->clip_height;
	}

	width = width / item->canvas->pixels_per_unit;
	height = height / item->canvas->pixels_per_unit;

	switch (text->anchor) {
	case GTK_ANCHOR_NW:
	case GTK_ANCHOR_W:
	case GTK_ANCHOR_SW:
		break;

	case GTK_ANCHOR_N:
	case GTK_ANCHOR_CENTER:
	case GTK_ANCHOR_S:
		*x1 -= width / 2.0;
		break;

	case GTK_ANCHOR_NE:
	case GTK_ANCHOR_E:
	case GTK_ANCHOR_SE:
		*x1 -= width;
		break;
	}

	switch (text->anchor) {
	case GTK_ANCHOR_NW:
	case GTK_ANCHOR_N:
	case GTK_ANCHOR_NE:
		break;

	case GTK_ANCHOR_W:
	case GTK_ANCHOR_CENTER:
	case GTK_ANCHOR_E:
		*y1 -= height / 2.0;
		break;

	case GTK_ANCHOR_SW:
	case GTK_ANCHOR_S:
	case GTK_ANCHOR_SE:
		*y1 -= height;
		break;
	}

	*x2 = *x1 + width;
	*y2 = *y1 + height;
}

static gint
get_position_from_xy (EText *text, gint x, gint y)
{
	int index;
	int trailing;

	if (text->draw_borders) {
		x -= BORDER_INDENT;
		y -= BORDER_INDENT;
	}

	x -= text->xofs;
	y -= text->yofs;

	if (text->editing) {
		x += text->xofs_edit;
		y += text->yofs_edit;
	}

	x -= text->cx;
	y -= text->cy;

	pango_layout_xy_to_index (text->layout, x * PANGO_SCALE, y * PANGO_SCALE, &index, &trailing);

	return g_utf8_offset_to_pointer (text->text + index, trailing) - text->text;
}

#define SCROLL_WAIT_TIME 30000

static gboolean
_blink_scroll_timeout (gpointer data)
{
	EText *text = E_TEXT(data);
	gulong current_time;
	gboolean scroll = FALSE;
	gboolean redraw = FALSE;
	
	g_timer_elapsed(text->timer, &current_time);

	if (text->scroll_start + SCROLL_WAIT_TIME > 1000000) {
		if (current_time > text->scroll_start - (1000000 - SCROLL_WAIT_TIME) &&
		    current_time < text->scroll_start)
			scroll = TRUE;
	} else {
		if (current_time > text->scroll_start + SCROLL_WAIT_TIME ||
		    current_time < text->scroll_start)
			scroll = TRUE;
	}
	if (scroll && text->button_down && text->clip) {
		int old_xofs_edit = text->xofs_edit;
		int old_yofs_edit = text->yofs_edit;

		if (text->clip_cwidth >= 0 &&
		    text->lastx - text->clip_cx > text->clip_cwidth &&
		    text->xofs_edit < text->width - text->clip_cwidth) {
			text->xofs_edit += 4;
			if (text->xofs_edit > text->width - text->clip_cwidth + 1)
				text->xofs_edit = text->width - text->clip_cwidth + 1;
		}
		if (text->lastx - text->clip_cx < 0 &&
		    text->xofs_edit > 0) {
			text->xofs_edit -= 4;
			if (text->xofs_edit < 0)
				text->xofs_edit = 0;
		}

		if (text->clip_cheight >= 0 &&
		    text->lasty - text->clip_cy > text->clip_cheight &&
		    text->yofs_edit < text->height - text->clip_cheight) {
			text->yofs_edit += 4;
			if (text->yofs_edit > text->height - text->clip_cheight + 1)
				text->yofs_edit = text->height - text->clip_cheight + 1;
		}
		if (text->lasty - text->clip_cy < 0 &&
		    text->yofs_edit > 0) {
			text->yofs_edit -= 4;
			if (text->yofs_edit < 0)
				text->yofs_edit = 0;
		}

		if (old_xofs_edit != text->xofs_edit ||
		    old_yofs_edit != text->yofs_edit) {
			ETextEventProcessorEvent e_tep_event;
			e_tep_event.type = GDK_MOTION_NOTIFY;
			e_tep_event.motion.state = text->last_state;
			e_tep_event.motion.time = 0;
			e_tep_event.motion.position = get_position_from_xy(text, text->lastx, text->lasty);
			_get_tep(text);
			e_text_event_processor_handle_event (text->tep,
							     &e_tep_event);
			text->scroll_start = current_time;
			redraw = TRUE;
		}
	}

	if (!((current_time / 500000) % 2)) {
		if (!text->show_cursor)
			redraw = TRUE;
		text->show_cursor = TRUE;
	} else {
		if (text->show_cursor)
			redraw = TRUE;
		text->show_cursor = FALSE;
	}
	if (redraw) {
		text->needs_redraw = 1;
		gnome_canvas_item_request_update (GNOME_CANVAS_ITEM(text));
	}
	return TRUE;
}

static gboolean
tooltip_event(GtkWidget *tooltip, GdkEvent *event, EText *text)
{
	gint ret_val = FALSE;

	if (!text->model)
		return FALSE;

	switch (event->type) {
	case GDK_LEAVE_NOTIFY:
		e_canvas_hide_tooltip (E_CANVAS(GNOME_CANVAS_ITEM(text)->canvas));
		break;
	case GDK_BUTTON_PRESS:
	case GDK_BUTTON_RELEASE:
		if (event->type == GDK_BUTTON_RELEASE) {
			e_canvas_hide_tooltip (E_CANVAS(GNOME_CANVAS_ITEM(text)->canvas));
		}
		/* Forward events to the text item */
		g_signal_emit_by_name (text, "event", event,
				       &ret_val);
		if (!ret_val)
			gtk_propagate_event (GTK_WIDGET(GNOME_CANVAS_ITEM(text)->canvas), event);
		ret_val = TRUE;
	default:
		break;
	}
	return ret_val;
}

static void
tooltip_destroy(gpointer data, GObject *where_object_was)
{
	EText *text = data;
	text->tooltip_owner = FALSE;
	g_object_unref (text);
}

static gboolean
_do_tooltip (gpointer data)
{
#warning "need to sort out tooltip stuff."
	EText *text = E_TEXT (data);
	struct line *lines;
	GtkWidget *canvas;
	int i;
	int max_width;
	gboolean cut_off;
	double i2c[6];
	ArtPoint origin = {0, 0};
	ArtPoint pixel_origin;
	int canvas_x, canvas_y;
	GnomeCanvasItem *tooltip_text;
	double tooltip_width;
	double tooltip_height;
	double tooltip_x;
	double tooltip_y;
#if 0
	double x1, x2, y1, y2;
#endif
	GnomeCanvasItem *rect;
	GtkWidget *tooltip_window;      /* GtkWindow for displaying the tooltip */

	text->tooltip_count = 0;

	if (E_CANVAS(GNOME_CANVAS_ITEM(text)->canvas)->tooltip_window || text->editing || !text->num_lines) {
		text->tooltip_timeout = 0;
		return FALSE;
	}

	cut_off = FALSE;
	for ( i = 0; i < text->num_lines; i++ ) {
		PangoLayoutLine *line = pango_layout_get_line (text->layout, i);
		PangoRectangle rect;

		pango_layout_line_get_pixel_extents (line, &rect, NULL);

		if (rect.width > text->clip_width) {
			cut_off = TRUE;
			break;
		}
	}
	if ( ! cut_off ) {
		text->tooltip_timeout = 0;
		return FALSE;
	}

	gnome_canvas_item_i2c_affine(GNOME_CANVAS_ITEM(text), i2c);
	art_affine_point (&pixel_origin, &origin, i2c);

	gdk_window_get_origin (GTK_WIDGET(GNOME_CANVAS_ITEM(text)->canvas)->window, &canvas_x, &canvas_y);
	pixel_origin.x += canvas_x;
	pixel_origin.y += canvas_y;
	pixel_origin.x -= (int) gtk_layout_get_hadjustment(GTK_LAYOUT(GNOME_CANVAS_ITEM(text)->canvas))->value;
	pixel_origin.y -= (int) gtk_layout_get_vadjustment(GTK_LAYOUT(GNOME_CANVAS_ITEM(text)->canvas))->value;

	tooltip_window = gtk_window_new (GTK_WINDOW_POPUP);
	gtk_container_set_border_width (GTK_CONTAINER (tooltip_window), 1);

	canvas = e_canvas_new ();

	gtk_container_add (GTK_CONTAINER (tooltip_window), canvas);
	
	/* Get the longest line length */
	pango_layout_get_size (text->layout, &max_width, NULL);

	rect = gnome_canvas_item_new (gnome_canvas_root (GNOME_CANVAS (canvas)),
				      gnome_canvas_rect_get_type (),
				      "x1", (double) 0,
				      "y1", (double) 0,
				      "x2", (double) max_width + 4,
				      "y2", (double) text->height + 4,
				      "fill_color", "light gray",
				      NULL);

	tooltip_text = gnome_canvas_item_new (gnome_canvas_root (GNOME_CANVAS (canvas)),
					      e_text_get_type (),
					      "anchor", GTK_ANCHOR_NW,
					      "bold", text->bold,
					      "strikeout", text->strikeout,
					      "text", text->text,
					      "editable", FALSE,
					      "clip_width", text->max_lines != 1 ? text->clip_width : max_width,
					      "clip_height", text->max_lines != 1 ? -1 : (double)text->height,
					      "clip", TRUE,
					      "line_wrap", text->line_wrap,
					      "justification", text->justification,
					      NULL);



	if (text->draw_borders)
		e_canvas_item_move_absolute(tooltip_text, 1 + BORDER_INDENT, 1 + BORDER_INDENT);
	else
		e_canvas_item_move_absolute(tooltip_text, 1, 1);

	create_layout (E_TEXT (tooltip_text));

	split_into_lines (E_TEXT(tooltip_text));
	calc_height (E_TEXT(tooltip_text));

	gnome_canvas_item_set (tooltip_text,
			       "clip_height", (double) E_TEXT(tooltip_text)->height,
			       "clip_width", (double) E_TEXT(tooltip_text)->width,
			       NULL);

	tooltip_width = E_TEXT(tooltip_text)->width;
	tooltip_height = E_TEXT(tooltip_text)->height;
	tooltip_x = 0;
	tooltip_y = 0;
	switch(E_TEXT(tooltip_text)->justification) {
	case GTK_JUSTIFY_CENTER:
		tooltip_x = - tooltip_width / 2;
		break;
	case GTK_JUSTIFY_RIGHT:
		tooltip_x = tooltip_width / 2;
		break;
	case GTK_JUSTIFY_FILL:
	case GTK_JUSTIFY_LEFT:
		tooltip_x = 0;
		break;
	}
	switch(text->anchor) {
	case GTK_ANCHOR_NW:
	case GTK_ANCHOR_N:
	case GTK_ANCHOR_NE:
		break;

	case GTK_ANCHOR_W:
	case GTK_ANCHOR_CENTER:
	case GTK_ANCHOR_E:
		tooltip_y -= tooltip_height / 2.0;
		break;

	case GTK_ANCHOR_SW:
	case GTK_ANCHOR_S:
	case GTK_ANCHOR_SE:
		tooltip_y -= tooltip_height;
		break;
	}
	switch(E_TEXT(tooltip_text)->anchor) {
	case GTK_ANCHOR_NW:
	case GTK_ANCHOR_W:
	case GTK_ANCHOR_SW:
		break;

	case GTK_ANCHOR_N:
	case GTK_ANCHOR_CENTER:
	case GTK_ANCHOR_S:
		tooltip_x -= tooltip_width / 2.0;
		break;

	case GTK_ANCHOR_NE:
	case GTK_ANCHOR_E:
	case GTK_ANCHOR_SE:
		tooltip_x -= tooltip_width;
		break;
	}

	gnome_canvas_item_set(rect,
			      "x2", (double) tooltip_width + 4 + (text->draw_borders ? BORDER_INDENT * 2 : 0),
			      "y2", (double) tooltip_height + 4 + (text->draw_borders ? BORDER_INDENT * 2 : 0),
			      NULL);
	
	gtk_widget_show (canvas);
	gtk_widget_realize (tooltip_window);

	gtk_widget_set_usize (tooltip_window,
			      tooltip_width + 4 + (text->draw_borders ? BORDER_INDENT * 2 : 0),
			      tooltip_height + 4 + (text->draw_borders ? BORDER_INDENT * 2 : 0));
	gnome_canvas_set_scroll_region (GNOME_CANVAS(canvas), 0.0, 0.0,
					tooltip_width + (text->draw_borders ? BORDER_INDENT * 2 : 0), 
					(double)tooltip_height + (text->draw_borders ? BORDER_INDENT * 2 : 0));
	g_signal_connect (tooltip_window, "event",
			  G_CALLBACK(tooltip_event), text);
	g_object_weak_ref (G_OBJECT (tooltip_window),
			   tooltip_destroy, text);
	g_object_ref (text);

	e_canvas_popup_tooltip (E_CANVAS(GNOME_CANVAS_ITEM(text)->canvas),
				tooltip_window,
				pixel_origin.x - 2 + tooltip_x,
				pixel_origin.y - 2 + tooltip_y);
	text->tooltip_owner = TRUE;
	
	text->tooltip_timeout = 0;

	return FALSE;
}

static void
start_editing (EText *text)
{
	if (text->editing)
		return;

	g_free (text->revert);
	text->revert = g_strdup (text->text);

	text->editing = TRUE;
	if (text->pointer_in) {
		if (text->default_cursor_shown && (!text->draw_borders)) {
			gdk_window_set_cursor (GTK_WIDGET (GNOME_CANVAS_ITEM (text)->canvas)->window, text->i_cursor);
			text->default_cursor_shown = FALSE;
		}
	}
	text->select_by_word = FALSE;
	text->xofs_edit = 0;
	text->yofs_edit = 0;
	if (text->timeout_id == 0)
		text->timeout_id = g_timeout_add(10, _blink_scroll_timeout, text);
	text->timer = g_timer_new();
	g_timer_elapsed(text->timer, &(text->scroll_start));
	g_timer_start(text->timer);
}

void
e_text_stop_editing (EText *text)
{
	if (!text->editing)
		return;

	g_free (text->revert);
	text->revert = NULL;

	text->editing = FALSE;
	if ( (!text->default_cursor_shown) && (!text->draw_borders) ) {
		gdk_window_set_cursor (GTK_WIDGET (GNOME_CANVAS_ITEM (text)->canvas)->window, text->default_cursor);
		text->default_cursor_shown = TRUE;
	}
	if (text->timer) {
		g_timer_stop(text->timer);
		g_timer_destroy(text->timer);
		text->timer = NULL;
	}
}

void
e_text_cancel_editing (EText *text)
{
	if (text->revert)
		e_text_model_set_text(text->model, text->revert);
	e_text_stop_editing (text);
}

static gboolean
_click (gpointer data)
{
	*(gint *)data = 0;
	return FALSE;
}

static gint
e_text_event (GnomeCanvasItem *item, GdkEvent *event)
{
	EText *text = E_TEXT(item);
	ETextEventProcessorEvent e_tep_event;

	gint return_val = 0;

	if (!text->model)
		return FALSE;

	e_tep_event.type = event->type;
	switch (event->type) {
	case GDK_FOCUS_CHANGE:
		if (text->editable) {
			GdkEventFocus *focus_event;
			focus_event = (GdkEventFocus *) event;
			if (focus_event->in) {
				start_editing (text);
			} else {
				e_text_stop_editing (text);
				if (text->timeout_id) {
					g_source_remove(text->timeout_id);
					text->timeout_id = 0;
				}
			}
			if ( text->line_wrap )
				text->needs_split_into_lines = 1;
			e_canvas_item_request_reflow (GNOME_CANVAS_ITEM(text));
		}
		return_val = 0;
		break;
	case GDK_KEY_PRESS: /* Fall Through */
	case GDK_KEY_RELEASE:
		if (text->editing) {
			GdkEventKey key = event->key;
			gint ret;

			e_tep_event.key.time = key.time;
			e_tep_event.key.state = key.state;
			e_tep_event.key.keyval = key.keyval;

			/* This is probably ugly hack, but we have to handle UTF-8 input somehow */
#if 0
			e_tep_event.key.length = key.length;
			e_tep_event.key.string = key.string;
#else
			e_tep_event.key.string = e_utf8_from_gtk_event_key (GTK_WIDGET (item->canvas), key.keyval, key.string);
			if (e_tep_event.key.string != NULL) {
				e_tep_event.key.length = strlen (e_tep_event.key.string);
			} else {
				e_tep_event.key.length = 0;
			}
#endif
			_get_tep(text);
			ret = e_text_event_processor_handle_event (text->tep, &e_tep_event);

			if (event->type == GDK_KEY_PRESS)
				g_signal_emit (text, e_text_signals[E_TEXT_KEYPRESS], 0,
					       e_tep_event.key.keyval, e_tep_event.key.state);
			

			if (e_tep_event.key.string)
				g_free (e_tep_event.key.string);


			return ret;
		}
		else
			return 0;
		break;
	case GDK_BUTTON_PRESS: /* Fall Through */
	case GDK_BUTTON_RELEASE:
		if (text->tooltip_timeout) {
			gtk_timeout_remove (text->tooltip_timeout);
			text->tooltip_timeout = 0;
		}
		e_canvas_hide_tooltip (E_CANVAS(GNOME_CANVAS_ITEM(text)->canvas));
#if 0
		if ((!text->editing) 
		    && text->editable 
		    && event->type == GDK_BUTTON_RELEASE
		    && event->button.button == 1) {
			GdkEventButton button = event->button;

			e_canvas_item_grab_focus (item, TRUE);

			e_tep_event.type = GDK_BUTTON_RELEASE;
			e_tep_event.button.time = button.time;
			e_tep_event.button.state = button.state;
			e_tep_event.button.button = button.button;
			e_tep_event.button.position = get_position_from_xy(text, button.x, button.y);
			_get_tep(text);
			return_val = e_text_event_processor_handle_event (text->tep,
									  &e_tep_event);
			e_tep_event.type = GDK_BUTTON_RELEASE;
		}
#else
		if ((!text->editing) 
		    && text->editable 
		    && (event->button.button == 1 ||
			event->button.button == 2)) {
			e_canvas_item_grab_focus (item, TRUE);
			start_editing (text);
		}
#endif

		/* We follow convention and emit popup events on right-clicks. */
		if (event->type == GDK_BUTTON_PRESS && event->button.button == 3) {
			g_signal_emit (text,
				       e_text_signals[E_TEXT_POPUP], 0,
				       &(event->button),
				       get_position_from_xy (text, event->button.x, event->button.y));

			break;
		}

		/* Create our own double and triple click events, 
		   as gnome-canvas doesn't forward them to us */
		if (event->type == GDK_BUTTON_PRESS) {
			if (text->dbl_timeout == 0 && 
			    text->tpl_timeout == 0) {
				text->dbl_timeout = gtk_timeout_add (200,
								     _click,
								     &(text->dbl_timeout));
			} else {
				if (text->tpl_timeout == 0) {
					e_tep_event.type = GDK_2BUTTON_PRESS;
					text->tpl_timeout = gtk_timeout_add (200, _click, &(text->tpl_timeout));
				} else {
					e_tep_event.type = GDK_3BUTTON_PRESS;
				}				     
			}
		}
		
		if (text->editing) {
			GdkEventButton button = event->button;
			e_tep_event.button.time = button.time;
			e_tep_event.button.state = button.state;
			e_tep_event.button.button = button.button;
			e_tep_event.button.position = get_position_from_xy(text, button.x, button.y);
			_get_tep(text);
			return_val = e_text_event_processor_handle_event (text->tep,
									  &e_tep_event);
			if (event->button.button == 1) {
				if (event->type == GDK_BUTTON_PRESS)
					text->button_down = TRUE;
				else
					text->button_down = FALSE;
			}
			text->lastx = button.x;
			text->lasty = button.y;
			text->last_state = button.state;
		}
		break;
	case GDK_MOTION_NOTIFY:
		if (text->editing) {
			GdkEventMotion motion = event->motion;
			e_tep_event.motion.time = motion.time;
			e_tep_event.motion.state = motion.state;
			e_tep_event.motion.position = get_position_from_xy(text, motion.x, motion.y);
			_get_tep(text);
			return_val = e_text_event_processor_handle_event (text->tep,
								       &e_tep_event);
			text->lastx = motion.x;
			text->lasty = motion.y;
			text->last_state = motion.state;
		}
		break;
	case GDK_ENTER_NOTIFY:
		{
				if ( text->tooltip_count == 0 && text->clip) {
					if (!text->tooltip_timeout)
						text->tooltip_timeout = gtk_timeout_add (1000, _do_tooltip, text);
				}
				text->tooltip_count ++;
		}

		text->pointer_in = TRUE;
		if (text->editing || text->draw_borders) {
			if ( text->default_cursor_shown ) {
				gdk_window_set_cursor(GTK_WIDGET(item->canvas)->window, text->i_cursor);
				text->default_cursor_shown = FALSE;
			}
		}
		break;
	case GDK_LEAVE_NOTIFY:
		if (text->tooltip_count > 0)
			text->tooltip_count --;
		if ( text->tooltip_count == 0 && text->clip) {
			if ( text->tooltip_timeout ) {
				gtk_timeout_remove (text->tooltip_timeout);
				text->tooltip_timeout = 0;
			}
		}
		
		text->pointer_in = FALSE;
		if (text->editing || text->draw_borders) {
			if ( ! text->default_cursor_shown ) {
				gdk_window_set_cursor(GTK_WIDGET(item->canvas)->window, text->default_cursor);
				text->default_cursor_shown = TRUE;
			}
		}
		break;
	default:
		break;
	}
	if (return_val)
		return return_val;
	if (GNOME_CANVAS_ITEM_CLASS(parent_class)->event)
		return GNOME_CANVAS_ITEM_CLASS(parent_class)->event(item, event);
	else
		return 0;
}

/* fixme: */

static int
next_word (EText *text, int start)
{
	char *p;
	int length;

	length = strlen (text->text);

	if (start >= length) {
		return length;
	} else {
		p = g_utf8_next_char (text->text + start);

		while (p && *p && g_unichar_validate (g_utf8_get_char (p))) {
			gunichar unival = g_utf8_get_char (p);
			if (g_unichar_isspace (unival)) {
				return p - text->text;
			} else 
				p = g_utf8_next_char (p);
		}
	}
			
	return p - text->text;
}

static int
_get_position(EText *text, ETextEventProcessorCommand *command)
{
	int length, obj_num;
	gunichar unival;
	char *p = NULL;
	gint new_pos = 0;
	int index, trailing;

	switch (command->position) {
		
	case E_TEP_VALUE:
		new_pos = command->value;
		break;

	case E_TEP_SELECTION:
		new_pos = text->selection_end;
		break;

	case E_TEP_START_OF_BUFFER:
		new_pos = 0;
		break;

	case E_TEP_END_OF_BUFFER:
		new_pos = strlen (text->text);
		break;

	case E_TEP_START_OF_LINE:

		new_pos = 0;
		
		if (text->selection_end >= 1) {
			
			p = g_utf8_find_prev_char (text->text, text->text + text->selection_end);
			if (p != text->text) {
				p = g_utf8_find_prev_char (text->text, p);

				while (p && p > text->text && !new_pos) {
					if (*p == '\n')
						new_pos = p - text->text + 1;
					p = g_utf8_find_prev_char (text->text, p);
				}
			}
		}

		break;

	case E_TEP_END_OF_LINE:
		new_pos = -1;
		length = strlen (text->text);
		
		if (text->selection_end >= length) {
			new_pos = length;
		} else {

			p = g_utf8_next_char (text->text + text->selection_end);

			while (p && *p && g_unichar_validate (g_utf8_get_char (p))) {
				if (*p == '\n') {
					new_pos = p - text->text;
					p = NULL;
				} else 
					p = g_utf8_next_char (p);
			}
		}

		if (new_pos == -1)
			new_pos = p - text->text;

		break;

	case E_TEP_FORWARD_CHARACTER:
		length = strlen (text->text);

		if (text->selection_end >= length) {
			new_pos = length;
		} else {
			p = g_utf8_next_char (text->text + text->selection_end);
			new_pos = p - text->text;
		}

		break;

	case E_TEP_BACKWARD_CHARACTER:
		new_pos = 0;
		if (text->selection_end >= 1) {
			p = g_utf8_find_prev_char (text->text, text->text + text->selection_end);

			if (p != NULL)
				new_pos = p - text->text;
		}

		break;

	case E_TEP_FORWARD_WORD:
		new_pos = next_word (text, text->selection_end);
		break;

	case E_TEP_BACKWARD_WORD:
		new_pos = 0;
		if (text->selection_end >= 1) {
			p = g_utf8_find_prev_char (text->text, text->text + text->selection_end);
			if (p != text->text) {
				p = g_utf8_find_prev_char (text->text, p);

				while (p && p > text->text && g_unichar_validate (g_utf8_get_char (p))) {
					unival = g_utf8_get_char (p);
					if (g_unichar_isspace (unival)) {
						new_pos = g_utf8_next_char (p) - text->text; 
						p = NULL;
					} else
						p = g_utf8_find_prev_char (text->text, p);
				}
			}
		}
					
		break;

	case E_TEP_FORWARD_LINE:
		pango_layout_move_cursor_visually (text->layout,
						   TRUE,
						   text->selection_end, 0,
						   1,
						   &index, &trailing);
		index = g_utf8_offset_to_pointer (text->text + index, trailing) - text->text;
		if (index < 0) {
			new_pos = 0;
		} else {
			length = strlen (text->text);
			if (index >= length)
				new_pos = length;
			else
				new_pos = index;
		}
		break;

	case E_TEP_BACKWARD_LINE:
		pango_layout_move_cursor_visually (text->layout,
						   TRUE,
						   text->selection_end, 0,
						   -1,
						   &index, &trailing);
		index = g_utf8_offset_to_pointer (text->text + index, trailing) - text->text;
		if (index < 0) {
			new_pos = 0;
		} else {
			length = strlen (text->text);
			if (index >= length)
				new_pos = length;
			else
				new_pos = index;
		}
		break;

	case E_TEP_SELECT_WORD:

		/* This is a silly hack to cause double-clicking on an object
		   to activate that object.
		   (Normally, double click == select word, which is why this is here.) */
		
		obj_num = e_text_model_get_object_at_offset (text->model, text->selection_start);
		if (obj_num != -1) {
			e_text_model_activate_nth_object (text->model, obj_num);
			new_pos = text->selection_start;
			break;
		}


		if (text->selection_end < 1) {
			new_pos = 0;
			break;
		}

		p = g_utf8_find_prev_char (text->text, text->text + text->selection_end);
		if (p == text->text) {
			new_pos = 0;
			break;
		}
		p = g_utf8_find_prev_char (text->text, p);

		while (p && p > text->text && g_unichar_validate (g_utf8_get_char (p))) {
			unival = g_utf8_get_char (p);
			if (g_unichar_isspace (unival)) {
				p = g_utf8_next_char (p);
				break;
			}
			p = g_utf8_find_prev_char (text->text, p);
		}

		if (!p)
			text->selection_start = 0;
		else
			text->selection_start = p - text->text;


		text->selection_start = e_text_model_validate_position (text->model, text->selection_start);
		
		length = strlen (text->text);
		if (text->selection_end >= length) {
			new_pos = length;
			break;
		}

		p = g_utf8_next_char (text->text + text->selection_end);

		while (p && *p && g_unichar_validate (g_utf8_get_char (p))) {
			unival = g_utf8_get_char (p);
			if (g_unichar_isspace (unival)) {
				new_pos =  p - text->text;
				p = NULL;
			} else
				p = g_utf8_next_char (p);
		}

		if (p)
			new_pos = p - text->text;

		return new_pos;

	case E_TEP_SELECT_ALL:
		text->selection_start = 0;
		new_pos = strlen (text->text);
		break;

	case E_TEP_FORWARD_PARAGRAPH:
	case E_TEP_BACKWARD_PARAGRAPH:
		
	case E_TEP_FORWARD_PAGE:
	case E_TEP_BACKWARD_PAGE:
		new_pos = text->selection_end;
		break;

	default:
		new_pos = text->selection_end;
		break;
	}

	new_pos = e_text_model_validate_position (text->model, new_pos);

	return new_pos;
}

static void
_delete_selection(EText *text)
{
	if ( text->selection_start < text->selection_end ) {
		e_text_model_delete(text->model, text->selection_start, text->selection_end - text->selection_start);
#if 0
		text->selection_end = text->selection_start;
#endif
	} else {
		e_text_model_delete(text->model, text->selection_end, text->selection_start - text->selection_end);
#if 0
		text->selection_start = text->selection_end;
#endif
	}
}

static void
_insert(EText *text, char *string, int value)
{
	if (value > 0) {
		if (!text->allow_newlines) {
			char *i;
			for (i = string; *i; i++) {
				if (*i == '\n') {
					char *new_string = g_malloc (strlen (string) + 1);
					char *j = new_string;
					for (i = string; *i; i++) {
						if (*i != '\n')
							*(j++) = *i;
					}
					*j = 0;
					e_text_model_insert_length(text->model, text->selection_start, new_string, j - new_string);
					g_free (new_string);
					return;
				}
			}
		}
		e_text_model_insert_length(text->model, text->selection_start, string, value);
		
#if 0
		text->selection_start += value;
		text->selection_end = text->selection_start;
#endif
	}
}

static void
capitalize (EText *text, int start, int end, ETextEventProcessorCaps type)
{
	gboolean first = TRUE;
	const char *p = text->text + start;
	const char *text_end = text->text + end;
	char *new_text = g_new0 (char, g_utf8_strlen (text->text + start, start - end) * 6);
	char *output = new_text;

	while (p && *p && p < text_end && g_unichar_validate (g_utf8_get_char (p))) {
		gunichar unival = g_utf8_get_char (p);
		gunichar newval = unival;

		switch (type) {
		case E_TEP_CAPS_UPPER:
			newval = g_unichar_toupper (unival);
			break;
		case E_TEP_CAPS_LOWER:
			newval = g_unichar_tolower (unival);
			break;
		case E_TEP_CAPS_TITLE:
			if (g_unichar_isalpha (unival)) {
				if (first)
					newval = g_unichar_totitle (unival);
				else
					newval = g_unichar_tolower (unival);
				first = FALSE;
			} else {
				first = TRUE;
			}
			break;
		}
		g_unichar_to_utf8 (newval, output);
		output = g_utf8_next_char (output);

		p = g_utf8_next_char (p);
	}
	*output = 0;

	e_text_model_delete (text->model, start, end - start);
	e_text_model_insert (text->model, start, new_text);
	g_free (new_text);
}

static void
e_text_command(ETextEventProcessor *tep, ETextEventProcessorCommand *command, gpointer data)
{
	EText *text = E_TEXT(data);
	int sel_start, sel_end;
	gboolean changed = TRUE;

	switch (command->action) {
	case E_TEP_MOVE:
		text->selection_start = _get_position(text, command);
		text->selection_end = text->selection_start;
		if (text->timer) {
			g_timer_reset(text->timer);
		}

		break;
	case E_TEP_SELECT:
		text->selection_start = e_text_model_validate_position (text->model, text->selection_start); /* paranoia */
		text->selection_end = _get_position(text, command);
		
		sel_start = MIN(text->selection_start, text->selection_end);
		sel_end   = MAX(text->selection_start, text->selection_end);

		sel_start = e_text_model_validate_position (text->model, sel_start);
		
		if (sel_start != sel_end) {
			e_text_supply_selection (text, command->time, GDK_SELECTION_PRIMARY,
						 (guchar *) text->text + sel_start, sel_end - sel_start);
		} else if (text->timer) {
			g_timer_reset(text->timer);
		}

		break;
	case E_TEP_DELETE:
		if (text->selection_end == text->selection_start) {
			text->selection_end = _get_position(text, command);
		}
		_delete_selection(text);
		if (text->timer) {
			g_timer_reset(text->timer);
		}
		break;

	case E_TEP_INSERT:
		if (text->selection_end != text->selection_start) {
			_delete_selection(text);
		}
		_insert(text, command->string, command->value);
		if (text->timer) {
			g_timer_reset(text->timer);
		}
		break;
	case E_TEP_COPY:
		sel_start = MIN(text->selection_start, text->selection_end);
		sel_end = MAX(text->selection_start, text->selection_end);
		if (sel_start != sel_end) {
			e_text_supply_selection (text, command->time, clipboard_atom,
						 (guchar *) text->text + sel_start, sel_end - sel_start);
		}
		if (text->timer) {
			g_timer_reset(text->timer);
		}
		changed = FALSE;
		break;
	case E_TEP_PASTE:
		e_text_get_selection (text, clipboard_atom, command->time);
		if (text->timer) {
			g_timer_reset(text->timer);
		}
		break;
	case E_TEP_GET_SELECTION:
		e_text_get_selection (text, GDK_SELECTION_PRIMARY, command->time);
		break;
	case E_TEP_ACTIVATE:
		g_signal_emit (text, e_text_signals[E_TEXT_ACTIVATE], 0);
		if (text->timer) {
			g_timer_reset(text->timer);
		}
		break;
	case E_TEP_SET_SELECT_BY_WORD:
		text->select_by_word = command->value;
		break;
	case E_TEP_GRAB:
		e_canvas_item_grab (E_CANVAS (GNOME_CANVAS_ITEM(text)->canvas),
				    GNOME_CANVAS_ITEM(text), 
				    GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK,
				    text->i_cursor,
				    command->time,
				    NULL,
				    NULL);
		changed = FALSE;
		break;
	case E_TEP_UNGRAB:
		e_canvas_item_ungrab (E_CANVAS (GNOME_CANVAS_ITEM(text)->canvas),
				      GNOME_CANVAS_ITEM(text),
				      command->time);
		changed = FALSE;
		break;
	case E_TEP_CAPS:
		if (text->selection_start == text->selection_end) {
			capitalize (text, text->selection_start, next_word (text, text->selection_start), command->value);
		} else {
			int selection_start = MIN (text->selection_start, text->selection_end);
			int selection_end = text->selection_start + text->selection_end - selection_start; /* Slightly faster than MAX */
			capitalize (text, selection_start, selection_end, command->value);
		}
		break;
	case E_TEP_NOP:
		changed = FALSE;
		break;
	}

	text->needs_redraw = 1;
	gnome_canvas_item_request_update (GNOME_CANVAS_ITEM(text));
}

static void 
_invisible_destroy (gpointer data, GObject *where_object_was)
{
	EText *text = E_TEXT (data);
	text->invisible = NULL;
}

static GtkWidget *
e_text_get_invisible(EText *text)
{	
	GtkWidget *invisible;
	if (text->invisible) {
		invisible = text->invisible;
	} else {
		static const GtkTargetEntry targets[] = {
			{ "UTF8_STRING", 0, TARGET_UTF8_STRING },
			{ "UTF-8", 0, TARGET_UTF8 },
			{ "COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT },
			{ "STRING", 0, TARGET_STRING },
			{ "TEXT",   0, TARGET_TEXT }
		};
		static const gint n_targets = sizeof(targets) / sizeof(targets[0]);

		invisible = gtk_invisible_new();
		text->invisible = invisible;
		
		gtk_selection_add_targets (invisible,
					   GDK_SELECTION_PRIMARY,
					   targets, n_targets);
		gtk_selection_add_targets (invisible,
					   clipboard_atom,
					   targets, n_targets);

		g_signal_connect (invisible, "selection_get",
				  G_CALLBACK (_selection_get), 
				  text);
		g_signal_connect (invisible, "selection_clear_event",
				  G_CALLBACK (_selection_clear_event),
				  text);
		g_signal_connect (invisible, "selection_received",
				  G_CALLBACK (_selection_received),
				  text);

		g_object_weak_ref (G_OBJECT (invisible),
				   _invisible_destroy, text);
	}
	return invisible;
}

static void
_selection_clear_event (GtkInvisible *invisible,
			GdkEventSelection *event,
			EText *text)
{
	if (event->selection == GDK_SELECTION_PRIMARY) {
		g_free (text->primary_selection);
		text->primary_selection = NULL;
		text->primary_length = 0;

		text->has_selection = FALSE;
		text->needs_redraw = 1;
		gnome_canvas_item_request_update (GNOME_CANVAS_ITEM(text));

	} else if (event->selection == clipboard_atom) {
		g_free (text->clipboard_selection);
		text->clipboard_selection = NULL;
		text->clipboard_length = 0;
	}
}

static void
_selection_get (GtkInvisible *invisible,
		GtkSelectionData *selection_data,
		guint info,
		guint time_stamp,
		EText *text)
{
	char *selection_string;
	int selection_length;
	if (selection_data->selection == GDK_SELECTION_PRIMARY) {
		selection_string = text->primary_selection;
		selection_length = text->primary_length;
	} else /* CLIPBOARD */ {
		selection_string = text->clipboard_selection;
		selection_length = text->clipboard_length;
	}

	if (selection_string != NULL) {
		if (info == TARGET_UTF8_STRING) {
			gtk_selection_data_set (selection_data,
						gdk_atom_intern ("UTF8_STRING", FALSE), 8,
						(const guchar *) selection_string,
						selection_length);
		} else if (info == TARGET_UTF8) {
			gtk_selection_data_set (selection_data,
						gdk_atom_intern ("UTF-8", FALSE), 8,
						(const guchar *) selection_string,
						selection_length);
		} else if (info == TARGET_STRING || info == TARGET_TEXT || info == TARGET_COMPOUND_TEXT) {
			gchar *localized_string;

			localized_string = e_utf8_to_gtk_string (GTK_WIDGET (GNOME_CANVAS_ITEM(text)->canvas),
								 selection_string);

			if (info == TARGET_STRING) {
				gtk_selection_data_set (selection_data,
							GDK_SELECTION_TYPE_STRING, 8,
							(const guchar *) localized_string, 
							strlen (localized_string));
			} else {
				guchar *text;
				GdkAtom encoding;
				gint format;
				gint new_length;

				gdk_string_to_compound_text (localized_string, 
							     &encoding, &format,
							     &text, &new_length);

				gtk_selection_data_set (selection_data,
							encoding, format,
							text, new_length);
				gdk_free_compound_text (text);
			}
			g_free (localized_string);
		}
	}
}

typedef struct {
	guint32 time;
	GdkAtom selection;
} SelectionAndTime;

static const char *formats[] = {"UTF8_STRING", "UTF-8", "STRING"};
#define E_STRING_ATOM 2
static const int format_count = sizeof (formats) / sizeof (formats[0]);
static GdkAtom atoms[sizeof (formats) / sizeof (formats[0])];
static int initialized = FALSE;

static inline void
init_atoms (void)
{
	int type;
	if (!initialized) {
		for (type = 0; type < format_count; type++) 
			atoms[type] = gdk_atom_intern (formats[type], FALSE);
		initialized = TRUE;
	}
}

static void
e_text_request_paste (EText *text)
{
	GdkAtom format_atom;
	GtkWidget *invisible;
	int type = text->last_type_request;

	init_atoms ();

	format_atom = GDK_NONE;

	while (format_atom == GDK_NONE) {
		type ++;

		if (type >= format_count) {
			if (text->queued_requests) {
				guint32 *new_time = text->queued_requests->data;
				text->queued_requests = g_list_remove_link (text->queued_requests, text->queued_requests); 
				text->last_time_request = *new_time;
				g_free (new_time);

				type = -1;
				continue;
			} else {
				text->last_type_request = -1;
				d(g_print ("Setting last_type_request to %d at line %d\n", text->last_type_request, __LINE__));
				text->last_time_request = 0;
				return;
			}
		}

		format_atom = atoms [type];
	}

	/* This must come before the gtk_selection_convert because sometimes _selection_received is called reentrantly. */

	text->last_type_request = type;
	d(g_print ("Setting last_type_request to %d at line %d\n", text->last_type_request, __LINE__));

	/* And request the format target for the required selection */
	invisible = e_text_get_invisible(text);
	gtk_selection_convert(invisible,
			      text->last_selection_request,
			      format_atom,
			      text->last_time_request);

	return;
}

static void
_selection_received (GtkInvisible *invisible,
		     GtkSelectionData *selection_data,
		     guint time,
		     EText *text)
{
	init_atoms ();
	if (selection_data->length < 0) {
		d(g_print ("Calling e_text_request_paste at line %d\n", __LINE__));
		e_text_request_paste (text);
		return;
	} else if (selection_data->type == atoms[E_STRING_ATOM]) {
		ETextEventProcessorCommand command;
		char *string;

		string = e_utf8_from_gtk_string_sized (GTK_WIDGET (GNOME_CANVAS_ITEM(text)->canvas),
						       selection_data->data,
						       selection_data->length);
		command.action = E_TEP_INSERT;
		command.position = E_TEP_SELECTION;
		command.string = string;
		command.value = strlen (string);
		command.time = time;
		e_text_command(text->tep, &command, text);
		g_free (string);
	} else {
		ETextEventProcessorCommand command;
		command.action = E_TEP_INSERT;
		command.position = E_TEP_SELECTION;
		command.string = selection_data->data;
		command.value = selection_data->length;
		command.time = time;
		e_text_command(text->tep, &command, text);
	}

	text->last_type_request = -1;
	d(g_print ("Setting last_type_request to %d at line %d\n", text->last_type_request, __LINE__));
	if (text->queued_requests) {
		SelectionAndTime *new_request = text->queued_requests->data;
		text->queued_requests = g_list_remove_link (text->queued_requests, text->queued_requests);
		text->last_time_request = new_request->time;
		text->last_selection_request = new_request->selection;
		g_free (new_request);
		d(g_print ("Calling e_text_request_paste at line %d\n", __LINE__));
		e_text_request_paste (text);
	}
}

static void
e_text_get_selection(EText *text, GdkAtom selection, guint32 time)
{
	if (text->last_type_request == -1) {
		text->last_time_request = time;
		text->last_selection_request = selection;
		d(g_print ("Calling e_text_request_paste at line %d\n", __LINE__));
		e_text_request_paste (text);
	} else {
		SelectionAndTime *new_request = g_new (SelectionAndTime, 1);
		new_request->time = time;
		new_request->selection = selection;
		/* FIXME: Queue the selection request type as well. */
		text->queued_requests = g_list_append (text->queued_requests, new_request);
	}
}

static void 
e_text_supply_selection (EText *text, guint time, GdkAtom selection, guchar *data, gint length)
{
	gboolean successful;
	GtkWidget *invisible;

	invisible = e_text_get_invisible(text);

	if (selection == GDK_SELECTION_PRIMARY ) {
		g_free (text->primary_selection);
		text->primary_selection = g_strndup(data, length);
		text->primary_length = length;
	} else if (selection == clipboard_atom) {
		g_free (text->clipboard_selection);
		text->clipboard_selection = g_strndup(data, length);
		text->clipboard_length = length;
	}

	successful = gtk_selection_owner_set (invisible,
					      selection,
					      time);
	
	if (selection == GDK_SELECTION_PRIMARY)
		text->has_selection = successful;
}

#if 0
static void
e_text_real_copy_clipboard (EText *text)
{
  guint32 time;
  gint selection_start_pos; 
  gint selection_end_pos;

  g_return_if_fail (text != NULL);
  g_return_if_fail (E_IS_TEXT (text));
  
  time = gtk_text_get_event_time (text);
  selection_start_pos = MIN (text->selection_start, text->selection_end);
  selection_end_pos = MAX (text->selection_start, text->selection_end);
 
  if (selection_start_pos != selection_end_pos)
    {
      if (gtk_selection_owner_set (GTK_WIDGET (text->canvas),
				   clipboard_atom,
				   time))
	      text->clipboard_text = "";
    }
}

static void
e_text_real_paste_clipboard (EText *text)
{
  guint32 time;

  g_return_if_fail (text != NULL);
  g_return_if_fail (E_IS_TEXT (text));
  
  time = e_text_get_event_time (text);
  if (text->editable)
	  gtk_selection_convert (GTK_WIDGET(text->widget),
				 clipboard_atom,
				 gdk_atom_intern ("COMPOUND_TEXT", FALSE), time);
}
#endif

/* Class initialization function for the text item */
static void
e_text_class_init (ETextClass *klass)
{
	GObjectClass *gobject_class;
	GnomeCanvasItemClass *item_class;

	gobject_class = (GObjectClass *) klass;
	item_class = (GnomeCanvasItemClass *) klass;

	parent_class = g_type_class_ref (PARENT_TYPE);

	gobject_class->dispose = e_text_dispose;
	gobject_class->set_property = e_text_set_property;
	gobject_class->get_property = e_text_get_property;

	item_class->update = e_text_update;
	item_class->realize = e_text_realize;
	item_class->unrealize = e_text_unrealize;
	item_class->draw = e_text_draw;
	item_class->point = e_text_point;
	item_class->bounds = e_text_bounds;
	item_class->event = e_text_event;

	klass->changed = NULL;
	klass->activate = NULL;

	e_text_signals[E_TEXT_CHANGED] =
		g_signal_new ("changed",
			      G_OBJECT_CLASS_TYPE (gobject_class),
			      G_SIGNAL_RUN_LAST,
			      G_STRUCT_OFFSET (ETextClass, changed),
			      NULL, NULL,
			      e_marshal_NONE__NONE,
			      G_TYPE_NONE, 0);

	e_text_signals[E_TEXT_ACTIVATE] =
		g_signal_new ("activate",
			      G_OBJECT_CLASS_TYPE (gobject_class),
			      G_SIGNAL_RUN_LAST,
			      G_STRUCT_OFFSET (ETextClass, activate),
			      NULL, NULL,
			      e_marshal_NONE__NONE,
			      G_TYPE_NONE, 0);

	e_text_signals[E_TEXT_KEYPRESS] =
		g_signal_new ("keypress",
			      G_OBJECT_CLASS_TYPE (gobject_class),
			      G_SIGNAL_RUN_LAST,
			      G_STRUCT_OFFSET (ETextClass, keypress),
			      NULL, NULL,
			      e_marshal_NONE__INT_INT,
			      G_TYPE_NONE, 2, G_TYPE_UINT, G_TYPE_UINT);

	e_text_signals[E_TEXT_POPUP] =
		g_signal_new ("popup",
			      G_OBJECT_CLASS_TYPE (gobject_class),
			      G_SIGNAL_RUN_LAST,
			      G_STRUCT_OFFSET (ETextClass, popup),
			      NULL, NULL,
			      e_marshal_NONE__POINTER_INT,
			      G_TYPE_NONE, 2, G_TYPE_POINTER, G_TYPE_INT);

	g_object_class_install_property (gobject_class, PROP_MODEL,
					 g_param_spec_object ("model",
							      _( "Model" ),
							      _( "Model" ),
							      E_TYPE_TEXT_MODEL,
							      G_PARAM_READWRITE));

	g_object_class_install_property (gobject_class, PROP_EVENT_PROCESSOR,
					 g_param_spec_object ("event_processor",
							      _( "Event Processor" ),
							      _( "Event Processor" ),
							      E_TEXT_EVENT_PROCESSOR_TYPE,
							      G_PARAM_READWRITE));

	g_object_class_install_property (gobject_class, PROP_TEXT,
					 g_param_spec_string ("text",
							      _( "Text" ),
							      _( "Text" ),
							      NULL,
							      G_PARAM_READWRITE));

	g_object_class_install_property (gobject_class, PROP_BOLD,
					 g_param_spec_boolean ("bold",
							       _( "Bold" ),
							       _( "Bold" ),
							       FALSE,
							       G_PARAM_READWRITE));

	g_object_class_install_property (gobject_class, PROP_STRIKEOUT,
					 g_param_spec_boolean ("strikeout",
							       _( "Strikeout" ),
							       _( "Strikeout" ),
							       FALSE,
							       G_PARAM_READWRITE));
               
	g_object_class_install_property (gobject_class, PROP_ANCHOR,
					 g_param_spec_enum ("anchor",
							    _( "Anchor" ),
							    _( "Anchor" ),
							    GTK_TYPE_ANCHOR_TYPE, GTK_ANCHOR_CENTER,
							    G_PARAM_READWRITE));


	g_object_class_install_property (gobject_class, PROP_JUSTIFICATION,
					 g_param_spec_enum ("justification",
							    _( "Justification" ),
							    _( "Justification" ),
							    GTK_TYPE_JUSTIFICATION, GTK_JUSTIFY_LEFT,
							    G_PARAM_READWRITE));

	g_object_class_install_property (gobject_class, PROP_CLIP_WIDTH,
					 g_param_spec_double ("clip_width",
							      _( "Clip Width" ),
							      _( "Clip Width" ),
							      0.0, G_MAXDOUBLE, 0.0,
							      G_PARAM_READWRITE));

	g_object_class_install_property (gobject_class, PROP_CLIP_HEIGHT,
					 g_param_spec_double ("clip_height",
							      _( "Clip Height" ),
							      _( "Clip Height" ),
							      0.0, G_MAXDOUBLE, 0.0,
							      G_PARAM_READWRITE));

	g_object_class_install_property (gobject_class, PROP_CLIP,
					 g_param_spec_boolean ("clip",
							       _( "Clip" ),
							       _( "Clip" ),
							       FALSE,
							       G_PARAM_READWRITE));

	g_object_class_install_property (gobject_class, PROP_FILL_CLIP_RECTANGLE,
					 g_param_spec_boolean ("fill_clip_rectangle",
							       _( "Fill clip rectangle" ),
							       _( "Fill clip rectangle" ),
							       FALSE,
							       G_PARAM_READWRITE));

	g_object_class_install_property (gobject_class, PROP_X_OFFSET,
					 g_param_spec_double ("x_offset",
							      _( "X Offset" ),
							      _( "X Offset" ),
							      0.0, G_MAXDOUBLE, 0.0,
							      G_PARAM_READWRITE));

	g_object_class_install_property (gobject_class, PROP_Y_OFFSET,
					 g_param_spec_double ("y_offset",
							      _( "Y Offset" ),
							      _( "Y Offset" ),
							      0.0, G_MAXDOUBLE, 0.0,
							      G_PARAM_READWRITE));

	g_object_class_install_property (gobject_class, PROP_FILL_COLOR,
					 g_param_spec_string ("fill_color",
							      _( "Fill color" ),
							      _( "Fill color" ),
							      NULL,
							      G_PARAM_READWRITE));

	g_object_class_install_property (gobject_class, PROP_FILL_COLOR_GDK,
					 g_param_spec_boxed ("fill_color_gdk",
							     _( "GDK fill color" ),
							     _( "GDK fill color" ),
							     GDK_TYPE_COLOR,
							     G_PARAM_READWRITE));


	g_object_class_install_property (gobject_class, PROP_FILL_COLOR_RGBA,
					 g_param_spec_uint ("fill_color_rgba",
							    _( "GDK fill color" ),
							    _( "GDK fill color" ),
							    0, G_MAXUINT, 0,
							    G_PARAM_READWRITE));

	g_object_class_install_property (gobject_class, PROP_FILL_STIPPLE,
					 g_param_spec_object ("fill_stipple",
							      _( "Fill stipple" ),
							      _( "FIll stipple" ),
							      GDK_TYPE_DRAWABLE,
							      G_PARAM_READWRITE));

	g_object_class_install_property (gobject_class, PROP_TEXT_WIDTH,
					 g_param_spec_double ("text_width",
							      _( "Text width" ),
							      _( "Text width" ),
							      0.0, G_MAXDOUBLE, 0.0,
							      G_PARAM_READABLE));

	g_object_class_install_property (gobject_class, PROP_TEXT_HEIGHT,
					 g_param_spec_double ("text_height",
							      _( "Text height" ),
							      _( "Text height" ),
							      0.0, G_MAXDOUBLE, 0.0,
							      G_PARAM_READABLE));


	g_object_class_install_property (gobject_class, PROP_EDITABLE,
					 g_param_spec_boolean ("editable",
							       _( "Editable" ),
							       _( "Editable" ),
							       FALSE,
							       G_PARAM_READWRITE));

	g_object_class_install_property (gobject_class, PROP_USE_ELLIPSIS,
					 g_param_spec_boolean ("use_ellipsis",
							       _( "Use ellipsis" ),
							       _( "Use ellipsis" ),
							       FALSE,
							       G_PARAM_READWRITE));

	g_object_class_install_property (gobject_class, PROP_ELLIPSIS,
					 g_param_spec_string ("ellipsis",
							      _( "Ellipsis" ),
							      _( "Ellipsis" ),
							      NULL,
							      G_PARAM_READWRITE));

	g_object_class_install_property (gobject_class, PROP_LINE_WRAP,
					 g_param_spec_boolean ("line_wrap",
							       _( "Line wrap" ),
							       _( "Line wrap" ),
							       FALSE,
							       G_PARAM_READWRITE));

	g_object_class_install_property (gobject_class, PROP_BREAK_CHARACTERS,
					 g_param_spec_string ("break_characters",
							      _( "Break characters" ),
							      _( "Break characters" ),
							      NULL,
							      G_PARAM_READWRITE));

	g_object_class_install_property (gobject_class, PROP_MAX_LINES,
					 g_param_spec_int ("max_lines",
							   _( "Max lines" ),
							   _( "Max lines" ),
							   0, G_MAXINT, 0,
							   G_PARAM_READWRITE));

	g_object_class_install_property (gobject_class, PROP_WIDTH,
					 g_param_spec_double ("width",
							      _( "Width" ),
							      _( "Width" ),
							      0.0, G_MAXDOUBLE, 0.0,
							      G_PARAM_READWRITE));


	g_object_class_install_property (gobject_class, PROP_HEIGHT,
					 g_param_spec_double ("height",
							      _( "Height" ),
							      _( "Height" ),
							      0.0, G_MAXDOUBLE, 0.0,
							      G_PARAM_READWRITE));

	g_object_class_install_property (gobject_class, PROP_DRAW_BORDERS,
					 g_param_spec_boolean ("draw_borders",
							       _( "Draw borders" ),
							       _( "Draw borders" ),
							       FALSE,
							       G_PARAM_READWRITE));

	g_object_class_install_property (gobject_class, PROP_ALLOW_NEWLINES,
					 g_param_spec_boolean ("allow_newlines",
							       _( "Allow newlines" ),
							       _( "Allow newlines" ),
							       FALSE,
							       G_PARAM_READWRITE));

	g_object_class_install_property (gobject_class, PROP_DRAW_BACKGROUND,
					 g_param_spec_boolean ("draw_background",
							       _( "Draw background" ),
							       _( "Draw background" ),
							       FALSE,
							       G_PARAM_READWRITE));

	g_object_class_install_property (gobject_class, PROP_DRAW_BUTTON,
					 g_param_spec_boolean ("draw_button",
							       _( "Draw button" ),
							       _( "Draw button" ),
							       FALSE,
							       G_PARAM_READWRITE));

	g_object_class_install_property (gobject_class, PROP_CURSOR_POS,
					 g_param_spec_int ("cursor_pos",
							   _( "Cursor position" ),
							   _( "Cursor position" ),
							   0, G_MAXINT, 0,
							   G_PARAM_READWRITE));

	if (!clipboard_atom)
		clipboard_atom = gdk_atom_intern ("CLIPBOARD", FALSE);
}

/* Object initialization function for the text item */
static void
e_text_init (EText *text)
{
	text->model                   = e_text_model_new ();
	text->text                    = e_text_model_get_text (text->model);
	text->layout                  = NULL;

	text->revert                  = NULL;

	text->model_changed_signal_id = 
		g_signal_connect (text->model,
				  "changed",
				  G_CALLBACK (e_text_text_model_changed),
				  text);
	text->model_repos_signal_id   = 
		g_signal_connect (text->model,
				  "reposition",
				  G_CALLBACK (e_text_text_model_reposition),
				  text);

	text->anchor                  = GTK_ANCHOR_CENTER;
	text->justification           = GTK_JUSTIFY_LEFT;
	text->clip_width              = -1.0;
	text->clip_height             = -1.0;
	text->xofs                    = 0.0;
	text->yofs                    = 0.0;

	text->ellipsis                = NULL;
	text->use_ellipsis            = FALSE;
	text->ellipsis_width          = 0;

	text->editable                = FALSE;
	text->editing                 = FALSE;
	text->xofs_edit               = 0;
	text->yofs_edit               = 0;

	text->selection_start         = 0;
	text->selection_end           = 0;
	text->select_by_word          = FALSE;

	text->timeout_id              = 0;
	text->timer                   = NULL;

	text->lastx                   = 0;
	text->lasty                   = 0;
	text->last_state              = 0;

	text->scroll_start            = 0;
	text->show_cursor             = TRUE;
	text->button_down             = FALSE;

	text->tep                     = NULL;
	text->tep_command_id          = 0;

	text->has_selection           = FALSE;

	text->invisible               = NULL;
	text->primary_selection       = NULL;
	text->primary_length          = 0;
	text->clipboard_selection     = NULL;
	text->clipboard_length        = 0;

	text->pointer_in              = FALSE;
	text->default_cursor_shown    = TRUE;
	text->line_wrap               = FALSE;
	text->break_characters        = NULL;
	text->max_lines               = -1;
	text->tooltip_timeout         = 0;
	text->tooltip_count           = 0;
	text->tooltip_owner           = FALSE;
	text->dbl_timeout             = 0;
	text->tpl_timeout             = 0;

	text->draw_background         = FALSE;
	text->draw_button             = FALSE;

	text->bold                    = FALSE;
	text->strikeout               = FALSE;

	text->style                   = E_FONT_PLAIN;
	text->allow_newlines          = TRUE;

	text->last_type_request       = -1;
	d(g_print ("Setting last_type_request to %d at line %d\n", text->last_type_request, __LINE__));
	text->last_time_request       = 0;
	text->queued_requests         = NULL;

	e_canvas_item_set_reflow_callback(GNOME_CANVAS_ITEM(text), e_text_reflow);
}

/**
 * e_text_get_type:
 * @void: 
 * 
 * Registers the &EText class if necessary, and returns the type ID
 * associated to it.
 * 
 * Return value: The type ID of the &EText class.
 **/
E_MAKE_TYPE (e_text,
	     "EText",
	     EText,
	     e_text_class_init,
	     e_text_init,
	     PARENT_TYPE)