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	Google Summer of Code 2013 - GNOME - Archive Integration workspace

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path: root/NEWS

	Commit message (Expand)	Author	Age	Files	Lines
*	*** empty log message ***	Rodrigo Moya	2003-07-01	1	-18/+0
*	Updated NEWS	Rodrigo Moya	2003-06-30	1	-0/+6
*	Updated NEWS	Rodrigo Moya	2003-06-30	1	-0/+12
*	oops, move the addressbook NEWS to the right version	Chris Toshok	2003-06-26	1	-7/+7
*	add addressbook NEWS	Chris Toshok	2003-06-26	1	-0/+7
*	Update.	Ettore Perazzoli	2003-06-26	1	-22/+49
*	updated	Jeffrey Stedfast	2003-06-26	1	-0/+5
*	More NEWS	Rodrigo Moya	2003-06-26	1	-0/+3
*	updated	Jeffrey Stedfast	2003-06-26	1	-0/+2
*	Updated NEWS	Rodrigo Moya	2003-06-24	1	-0/+5
*	Add #43585.	Hans Petter	2003-06-24	1	-1/+3
*	Some more mail updates	Michael Zucci	2003-06-20	1	-1/+9
*	updated	Jeffrey Stedfast	2003-06-20	1	-0/+1
*	*** empty log message ***	Rodrigo Moya	2003-06-18	1	-0/+4
*	updated	Jeffrey Stedfast	2003-06-18	1	-0/+1
*	updated	Jeffrey Stedfast	2003-06-18	1	-0/+1
*	Updated for current mail stuff.	Not Zed	2003-06-17	1	-0/+40
*	1.4.0!	Ettore Perazzoli	2003-06-03	1	-9/+40
*	updated mailer fixes	Jeffrey Stedfast	2003-06-03	1	-0/+12
*	*** empty log message ***	Rodrigo Moya	2003-06-02	1	-0/+1
*	Updated NEWS	Rodrigo Moya	2003-05-29	1	-0/+9
*	1.3.92.	Ettore Perazzoli	2003-05-23	1	-1/+1
*	updated NEWS	Radek Doulik	2003-05-23	1	-0/+1
*	update	JP Rosevear	2003-05-23	1	-1/+3
*	Ooops, forgot to add the updated translations.	Ettore Perazzoli	2003-05-22	1	-0/+18
*	1.3.91.	Ettore Perazzoli	2003-05-22	1	-1/+1
*	41234	Rodrigo Moya	2003-05-22	1	-0/+1
*	update for preference changes.	Larry Ewing	2003-05-22	1	-0/+4
*	updated	Jeffrey Stedfast	2003-05-21	1	-0/+3
*	Update.	Ettore Perazzoli	2003-05-21	1	-75/+115
*	updated	Jeffrey Stedfast	2003-05-21	1	-0/+3
*	#42056 - Accelerators in meeting selector not working/looks bad (Hans Petter)	Hans Petter	2003-05-20	1	-0/+1
*	more news	Rodrigo Moya	2003-05-20	1	-0/+1
*	more ab stuff	Chris Toshok	2003-05-20	1	-0/+3
*	more addressbook foo	Chris Toshok	2003-05-20	1	-0/+11
*	add some HIG bugs	Chris Toshok	2003-05-19	1	-0/+5
*	add some more ab fixes	Chris Toshok	2003-05-19	1	-1/+2
*	Updated with calendar fixes	Rodrigo Moya	2003-05-19	1	-0/+4
*	Updated for mail/ camel/ filter/ and e-util/	Not Zed	2003-05-19	1	-0/+46
*	Updated NEWS	Rodrigo Moya	2003-05-18	1	-0/+1
*	add more ab fixes	Chris Toshok	2003-05-16	1	-0/+3
*	Updated NEWS	Rodrigo Moya	2003-05-16	1	-0/+1
*	Updated NEWS	Rodrigo Moya	2003-05-15	1	-0/+1
*	add more ab fixes	Chris Toshok	2003-05-15	1	-1/+6
*	Updated NEWS	Rodrigo Moya	2003-05-14	1	-0/+9
*	add some e-text fixes	Chris Toshok	2003-05-14	1	-0/+4
*	add #42780	Chris Toshok	2003-05-14	1	-0/+2
*	more ab foo	Chris Toshok	2003-05-14	1	-0/+1
*	add some more addressbook news.	Chris Toshok	2003-05-12	1	-0/+9
*	move 41910 to the version where it's really fixed	Chris Toshok	2003-05-07	1	-1/+1
*	Added list of updated translations.	Ettore Perazzoli	2003-05-02	1	-0/+12
*	add blurbs for some addressbook fixes	Chris Toshok	2003-04-30	1	-0/+11
*	Update.	Ettore Perazzoli	2003-04-30	1	-33/+75
*	add blurb about gilbert's fix	Chris Toshok	2003-04-30	1	-0/+1
*	Update calendar news.	JP Rosevear	2003-04-30	1	-0/+22
*	add blurb about 41910	Chris Toshok	2003-04-30	1	-0/+1
*	updated	Jeffrey Stedfast	2003-04-30	1	-0/+1
*	updated	Jeffrey Stedfast	2003-04-30	1	-0/+2
*	Updated for mailer fixes	Jeffrey Stedfast	2003-04-30	1	-0/+37
*	add blurbs for 41843 and 41779	Chris Toshok	2003-04-28	1	-0/+2
*	add more news	Chris Toshok	2003-04-24	1	-1/+8
*	add 40694 and 40954	Chris Toshok	2003-04-20	1	-1/+14
*	The return of 1.3.2.	Ettore Perazzoli	2003-04-12	1	-7/+8
*	updated NEWS	Jeffrey Stedfast	2003-04-12	1	-0/+5
*	More updates.	JP Rosevear	2003-04-12	1	-2/+2
*	Update for 1.3.2	JP Rosevear	2003-04-12	1	-0/+10
*	Sync for 1.3.2.	Ettore Perazzoli	2003-04-10	1	-151/+217
*	add 40133	Chris Toshok	2003-04-10	1	-0/+1
*	add 40727 fix	Chris Toshok	2003-04-09	1	-0/+1
*	add 39763 fix	Chris Toshok	2003-04-08	1	-0/+1
*	add blurb of addressbook fix for 7103	Chris Toshok	2003-04-08	1	-0/+1
*	more addressbook stuff.	Chris Toshok	2003-04-08	1	-1/+3
*	#35926 fixed.	Hans Petter	2003-04-08	1	-0/+2
*	more addressbook stuff	Chris Toshok	2003-04-08	1	-2/+3
*	add 40841 blurb	Chris Toshok	2003-04-08	1	-0/+2
*	add blurb about sun exporter	Chris Toshok	2003-04-08	1	-0/+2
*	Remove a stray word causing ungrammaticality.	Hans Petter	2003-04-07	1	-1/+1
*	Add NEWS items for calendar.	Hans Petter	2003-04-07	1	-0/+50
*	add addressbook stuff	Chris Toshok	2003-04-07	1	-0/+46
*	Updated for mail/camel/composer/filter for 1.3.2	Not Zed	2003-04-07	1	-0/+95
*	Up to 1.3.1.99.	Ettore Perazzoli	2003-03-06	1	-580/+2
*	Sync for 1.1.90.	Ettore Perazzoli	2002-10-29	1	-4/+0
*	corrected for mailer	Jeffrey Stedfast	2002-10-29	1	-3/+4
*	note the selectnames change	Dan Winship	2002-10-29	1	-0/+6
*	Update with Addressbook and Mail news.	Ettore Perazzoli	2002-10-29	1	-5/+42
*	Update.	Ettore Perazzoli	2002-10-28	1	-21/+36
*	Updeate with lame entry, too sleepy to do it well right now	Larry Ewing	2002-10-28	1	-0/+6
*	Update.	JP Rosevear	2002-10-26	1	-0/+12
*	Update for calendar.	JP Rosevear	2002-10-26	1	-0/+29
*	Sync for 1.1.2.	Ettore Perazzoli	2002-10-08	1	-12/+32
*	More fixups.	Ettore Perazzoli	2002-10-08	1	-137/+148
*	Add fixer's name to info.	JP Rosevear	2002-10-08	1	-19/+19
*	Remove a conflict tag.	Mike Kestner	2002-10-08	1	-1/+0
*	GAL news.	Mike Kestner	2002-10-08	1	-0/+8
*	Oops, remove redundancy.	JP Rosevear	2002-10-08	1	-7/+0
*	Update.	JP Rosevear	2002-10-08	1	-0/+43
*	Update.	Ettore Perazzoli	2002-10-08	1	-52/+61
*	updated news for mailer	Jeffrey Stedfast	2002-10-08	1	-0/+59
*	Update.	Ettore Perazzoli	2002-10-08	1	-2/+72
*	Sync for 1.1.1.	Ettore Perazzoli	2002-09-10	1	-20/+28
*	update with some gtkhtml features.	Larry Ewing	2002-09-07	1	-0/+14
*	more NEWS	Chris Toshok	2002-09-07	1	-0/+2
*	more contacts news	Chris Toshok	2002-09-07	1	-1/+21
*	NEWS	Iain Holmes	2002-09-07	1	-0/+16
*	Update.	JP Rosevear	2002-09-06	1	-1/+26
*	Updated NEWS	Rodrigo Moya	2002-09-06	1	-1/+17
*	updated NEWS	Michael Zucci	2002-09-06	1	-2/+49
*	updated	Jeffrey Stedfast	2002-09-06	1	-6/+7
*	Updated with the new 1.2 features (unfinished).	Ettore Perazzoli	2002-09-06	1	-2371/+82
*	Use 1 instead of zero as the minimum value for the repetitions spin button	Federico Mena Quintero	2002-01-26	1	-0/+2
*	add blurb about 17355	Chris Toshok	2001-12-19	1	-0/+1
*	Redone with the bug #s from Bugzilla.	Ettore Perazzoli	2001-11-15	1	-20/+75
*	Calendar/tasks NEWS.	Federico Mena Quintero	2001-11-15	1	-0/+35
*	Small update	JP Rosevear	2001-11-06	1	-0/+2
*	Updated.	Ettore Perazzoli	2001-11-06	1	-72/+78
*	add more NEWS	Chris Toshok	2001-11-01	1	-0/+11
*	update	JP Rosevear	2001-11-01	1	-0/+14
*	NEWS	Iain Holmes	2001-10-31	1	-0/+3
*	oops. Federico already updated it.	Damon Chaplin	2001-10-31	1	-12/+0
*	updated	Damon Chaplin	2001-10-31	1	-0/+10
*	Updated mailer NEWS.	Jeffrey Stedfast	2001-10-31	1	-0/+29
*	My mailer news.	0	2001-10-31	1	-0/+44
*	NEWS	Iain Holmes	2001-10-31	1	-6/+18
*	Calendar NEWS.	Federico Mena Quintero	2001-10-31	1	-0/+45
*	Added news.	Jon Trowbridge	2001-10-30	1	-0/+37
*	Added my addressbook changes.	Christopher James Lahey	2001-10-30	1	-0/+8
*	*** empty log message ***	Rodrigo Moya	2001-10-30	1	-0/+4
*	Updated news.	Jon Trowbridge	2001-10-22	1	-0/+29
*	More NEWS	Rodrigo Moya	2001-10-20	1	-0/+2
*	Calendar news - Federico	Federico Mena Quintero	2001-10-19	1	-2/+6
*	more news	Chris Toshok	2001-10-17	1	-0/+4
*	Wrote Addressbook news.	Christopher James Lahey	2001-10-17	1	-0/+7
*	Updated NEWS	Rodrigo Moya	2001-10-17	1	-0/+10
*	Added info about the shell, plus some minor fixes for consistency.	Ettore Perazzoli	2001-10-10	1	-24/+40
*	Updated.	Christopher James Lahey	2001-10-10	1	-0/+8
*	updated NEWS	Jeffrey Stedfast	2001-10-10	1	-0/+13
*	Calendar NEWS.	Federico Mena Quintero	2001-10-10	1	-2/+14
*	Updated for beta 6.	9	2001-10-10	1	-0/+20
*	*** empty log message ***	Damon Chaplin	2001-10-10	1	-0/+4
*	That was the day that was	Iain Holmes	2001-10-10	1	-0/+6
*	Added my news.	Jon Trowbridge	2001-10-10	1	-5/+21
*	*** empty log message ***	Rodrigo Moya	2001-10-09	1	-0/+9
*	Added more news.	Christopher James Lahey	2001-10-02	1	-1/+12
*	NEWS	Iain Holmes	2001-10-02	1	-0/+3
*	NEWS	Iain Holmes	2001-10-02	1	-0/+19
*	Updated.	Ettore Perazzoli	2001-10-02	1	-13/+29
*	News.	Jon Trowbridge	2001-10-02	1	-0/+18
*	*** empty log message ***	Damon Chaplin	2001-10-02	1	-0/+2
*	Updates.	JP Rosevear	2001-10-02	1	-0/+10
*	updated NEWS	Jeffrey Stedfast	2001-10-02	1	-0/+5
*	updated NEWS for mailer	Jeffrey Stedfast	2001-10-02	1	-0/+15
*	Let's start the calendar hype - Federico	Federico Mena Quintero	2001-09-27	1	-0/+15
*	updated NEWS	Jeffrey Stedfast	2001-09-22	1	-0/+42
*	Updated.	1	2001-09-22	1	-0/+46
*	Update	JP Rosevear	2001-09-22	1	-0/+2
*	updated calendar & tasks stuff	Damon Chaplin	2001-09-22	1	-0/+19
*	Added mailer news I forgot earlier.	Jon Trowbridge	2001-09-22	1	-2/+9
*	Updated.	Ettore Perazzoli	2001-09-22	1	-15/+17
*	Update.	Ettore Perazzoli	2001-09-22	1	-25/+52
*	Added more NEWS items here.	Christopher James Lahey	2001-09-22	1	-1/+18
*	NEWS	Iain Holmes	2001-09-22	1	-0/+25
*	Added some news for Ettore.	Jon Trowbridge	2001-09-22	1	-0/+19
*	*** empty log message ***	Rodrigo Moya	2001-09-21	1	-0/+2
*	updated NEWS for 0.14	Jeffrey Stedfast	2001-09-21	1	-0/+16
*	Added.	Ettore Perazzoli	2001-08-22	1	-5/+27
*	add LDAP server dialog to addressbook NEWS.	Chris Toshok	2001-08-22	1	-0/+2
*	Updated NEWS for addressbook.	Christopher James Lahey	2001-08-22	1	-0/+56
*	fixes	Jeffrey Stedfast	2001-08-22	1	-1/+0
*	It's more NEWS	Iain Holmes	2001-08-22	1	-0/+2
*	Ummm....It's the NEWS	Iain Holmes	2001-08-22	1	-0/+7
*	NEWS - Federico	Federico Mena Quintero	2001-08-22	1	-0/+46
*	Updated some more.	Peter Williams	2001-08-22	1	-0/+16
*	Updated.	Jeffrey Stedfast	2001-08-22	1	-0/+29
*	More cleanup.	Ettore Perazzoli	2001-08-01	1	-5/+5
*	NEWS	Iain Holmes	2001-08-01	1	-0/+12
*	Clean up and re-format a bit.	Ettore Perazzoli	2001-08-01	1	-68/+72
*	0.12 NEWS for the mailer	Peter Williams	2001-08-01	1	-0/+70
*	Calendar NEWS - Federico	Federico Mena Quintero	2001-08-01	1	-1/+23
*	Added info about the shell changes and slightly changed the formatting for	Ettore Perazzoli	2001-08-01	1	-19/+49
*	Added some NEWS calendar stuff	Rodrigo Moya	2001-07-31	1	-0/+6
*	Updated NEWS for addressbook.	Christopher James Lahey	2001-07-31	1	-0/+32
*	Updated NEWS	Michael Zucci	2001-07-31	1	-0/+4
*	more updates	JP Rosevear	2001-07-14	1	-14/+50
*	Widdle	Iain Holmes	2001-07-14	1	-1/+4
*	oops, forgot some stuff	Jeffrey Stedfast	2001-07-14	1	-2/+8
*	Typo fix	Peter Williams	2001-07-14	1	-1/+1
*	Merged mine and Peter's entries.	Jeffrey Stedfast	2001-07-14	1	-10/+38
*	0.11 news for peterw	Peter Williams	2001-07-14	1	-0/+27
*	Ummmm, it's the NEWS, take a guess	Iain Holmes	2001-07-14	1	-0/+9
*	Start new entry	JP Rosevear	2001-07-13	1	-0/+144
*	pulled from the 0.9 release.	Jeffrey Stedfast	2001-03-19	1	-25/+114
*	install conduit icons	JP Rosevear	2001-03-03	1	-0/+3
*	Updated NEWS from 0.9 - Federico	Federico Mena Quintero	2001-02-28	1	-0/+64
*	added note about better reply editing	Radek Doulik	2000-12-15	1	-0/+3
*	Update with the code name of the 0.8 release.	Ettore Perazzoli	2000-12-15	1	-2/+2
*	Added a bit of addressbook NEWS.	Christopher James Lahey	2000-12-15	1	-2/+4
*	Update.	Jeffrey Stedfast	2000-12-15	1	-1/+9
*	What I can remember doing. :)	Iain Holmes	2000-12-15	1	-0/+14
*	News - Federico	Federico Mena Quintero	2000-12-15	1	-1/+51
*	Update	JP Rosevear	2000-12-15	1	-1/+14
*	Updated for the shell, and reformatted the part about the mailer a	Ettore Perazzoli	2000-12-14	1	-32/+85
*	add mailer features since 0.6 (except filter stuff)	Dan Winship	2000-12-14	1	-1/+80
*	Added last names.	Chris Lahey	2000-10-20	1	-6/+7
*	Updated NEWS for addressbook and ETable.	Christopher James Lahey	2000-10-20	1	-12/+33
*	add mail news	Dan Winship	2000-10-20	1	-0/+50
*	re-commit Ettore's and JPR's 0.6 NEWS, in the right place	Dan Winship	2000-10-20	1	-0/+29
*	pull 0.5.1 NEWS back over to HEAD	Dan Winship	2000-10-20	1	-0/+41
*	Some minor formatting changes.	Ettore Perazzoli	2000-09-13	1	-35/+37
*	Pilot stuff	JP Rosevear	2000-09-13	1	-1/+4
*	Pilot stuff	JP Rosevear	2000-09-13	1	-0/+3
*	Updated a little bit.	Ettore Perazzoli	2000-09-13	1	-5/+10
*	Added Sent/Outbox feature descriptions	Jeffrey Stedfast	2000-09-13	1	-0/+5
*	add most (but not all) 0.5 Mailer features	Dan Winship	2000-09-13	1	-0/+49
*	Added 0.5 changes for ETable and Addressbook.	Christopher James Lahey	2000-09-12	1	-0/+26
*	Ensure that the child's allocation height is >= 1.	Federico Mena Quintero	2000-08-31	1	-0/+12
*	add a caveat about the POP keep-on-server option	Dan Winship	2000-08-14	1	-3/+4
*	Fix Ettore's grammar :)	Dan Winship	2000-08-14	1	-2/+2
*	Update.	Ettore Perazzoli	2000-08-14	1	-14/+53
*	Add 0.4 mail/calendar news	Dan Winship	2000-08-14	1	-4/+84
*	Update and get rid of <A0>s.	Ettore Perazzoli	2000-07-28	1	-5/+7
*	Small fixes.	Ettore Perazzoli	2000-07-28	1	-3/+3
*	0.3 "Jelly Fish".	Ettore Perazzoli	2000-07-28	1	-32/+74
*	add mailer 0.3 features	Dan Winship	2000-07-27	1	-0/+48
*	Updated.	Ettore Perazzoli	2000-07-11	1	-0/+6
*	add mailer news	Dan Winship	2000-07-11	1	-0/+105
*	Updated with the addressbook stuff.	Ettore Perazzoli	2000-07-11	1	-33/+39
*	Calendar news - Federico	Federico Mena Quintero	2000-07-11	1	-0/+30
*	more small typo fixes.	Michael Meeks	1999-11-26	1	-1/+1
*	sgmlized Giao's doc about virtual folders.	bertrand	1999-06-03	1	-0/+8
*	Initial revision	Bertrand Guiheneuf	1999-04-18	1	-0/+0

generated by cgit (git 2.34.1) at 2025-03-12 09:18:17 +0800

/*
 * e-table.c - A graphical view of a Table.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) version 3.
 *
 * 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with the program; if not, see <http://www.gnu.org/licenses/>
 *
 *
 * Authors:
 *      Chris Lahey <clahey@ximian.com>
 *      Miguel de Icaza <miguel@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "e-table.h"

#include <stdlib.h>
#include <string.h>
#include <stdio.h>

#include <gtk/gtk.h>
#include <glib/gi18n.h>
#include <glib/gstdio.h>
#include <gdk/gdkkeysyms.h>

#include <libgnomecanvas/libgnomecanvas.h>

#include "e-canvas-background.h"
#include "e-canvas-vbox.h"
#include "e-canvas.h"
#include "e-table-click-to-add.h"
#include "e-table-column-specification.h"
#include "e-table-group-leaf.h"
#include "e-table-header-item.h"
#include "e-table-header-utils.h"
#include "e-table-subset.h"
#include "e-table-utils.h"
#include "e-unicode.h"
#include "gal-a11y-e-table.h"

#define COLUMN_HEADER_HEIGHT 16

#define d(x)

#if d(!)0
#define e_table_item_leave_edit_(x) \
    (e_table_item_leave_edit ((x)), \
     g_print ("%s: e_table_item_leave_edit\n", __FUNCTION__))
#else
#define e_table_item_leave_edit_(x) (e_table_item_leave_edit((x)))
#endif

enum {
    CURSOR_CHANGE,
    CURSOR_ACTIVATED,
    SELECTION_CHANGE,
    DOUBLE_CLICK,
    RIGHT_CLICK,
    CLICK,
    KEY_PRESS,
    START_DRAG,
    STATE_CHANGE,
    WHITE_SPACE_EVENT,

    CUT_CLIPBOARD,
    COPY_CLIPBOARD,
    PASTE_CLIPBOARD,
    SELECT_ALL,

    TABLE_DRAG_BEGIN,
    TABLE_DRAG_END,
    TABLE_DRAG_DATA_GET,
    TABLE_DRAG_DATA_DELETE,

    TABLE_DRAG_LEAVE,
    TABLE_DRAG_MOTION,
    TABLE_DRAG_DROP,
    TABLE_DRAG_DATA_RECEIVED,

    LAST_SIGNAL
};

enum {
    PROP_0,
    PROP_LENGTH_THRESHOLD,
    PROP_MODEL,
    PROP_UNIFORM_ROW_HEIGHT,
    PROP_ALWAYS_SEARCH,
    PROP_USE_CLICK_TO_ADD,
    PROP_HADJUSTMENT,
    PROP_VADJUSTMENT,
    PROP_HSCROLL_POLICY,
    PROP_VSCROLL_POLICY,
    PROP_IS_EDITING
};

enum {
    ET_SCROLL_UP = 1 << 0,
    ET_SCROLL_DOWN = 1 << 1,
    ET_SCROLL_LEFT = 1 << 2,
    ET_SCROLL_RIGHT = 1 << 3
};

static guint et_signals[LAST_SIGNAL] = { 0 };

static void e_table_fill_table (ETable *e_table, ETableModel *model);
static gboolean changed_idle (gpointer data);

static void et_grab_focus (GtkWidget *widget);

static void et_drag_begin (GtkWidget *widget,
               GdkDragContext *context,
               ETable *et);
static void et_drag_end (GtkWidget *widget,
             GdkDragContext *context,
             ETable *et);
static void et_drag_data_get (GtkWidget *widget,
                 GdkDragContext *context,
                 GtkSelectionData *selection_data,
                 guint info,
                 guint time,
                 ETable *et);
static void et_drag_data_delete (GtkWidget *widget,
                GdkDragContext *context,
                ETable *et);

static void et_drag_leave (GtkWidget *widget,
              GdkDragContext *context,
              guint time,
              ETable *et);
static gboolean et_drag_motion (GtkWidget *widget,
                   GdkDragContext *context,
                   gint x,
                   gint y,
                   guint time,
                   ETable *et);
static gboolean et_drag_drop (GtkWidget *widget,
                 GdkDragContext *context,
                 gint x,
                 gint y,
                 guint time,
                 ETable *et);
static void et_drag_data_received (GtkWidget *widget,
                  GdkDragContext *context,
                  gint x,
                  gint y,
                  GtkSelectionData *selection_data,
                  guint info,
                  guint time,
                  ETable *et);

static gint et_focus (GtkWidget *container, GtkDirectionType direction);

static void scroll_off (ETable *et);
static void scroll_on (ETable *et, guint scroll_direction);

G_DEFINE_TYPE_WITH_CODE (ETable, e_table, GTK_TYPE_TABLE,
             G_IMPLEMENT_INTERFACE (GTK_TYPE_SCROLLABLE, NULL))

static void
et_disconnect_model (ETable *et)
{
    if (et->model == NULL)
        return;

    if (et->table_model_change_id != 0)
        g_signal_handler_disconnect (
            et->model, et->table_model_change_id);
    if (et->table_row_change_id != 0)
        g_signal_handler_disconnect (
            et->model, et->table_row_change_id);
    if (et->table_cell_change_id != 0)
        g_signal_handler_disconnect (
            et->model, et->table_cell_change_id);
    if (et->table_rows_inserted_id != 0)
        g_signal_handler_disconnect (
            et->model, et->table_rows_inserted_id);
    if (et->table_rows_deleted_id != 0)
        g_signal_handler_disconnect (
            et->model, et->table_rows_deleted_id);

    et->table_model_change_id = 0;
    et->table_row_change_id = 0;
    et->table_cell_change_id = 0;
    et->table_rows_inserted_id = 0;
    et->table_rows_deleted_id = 0;
}

static void
e_table_state_change (ETable *et)
{
    if (et->state_change_freeze)
        et->state_changed = TRUE;
    else
        g_signal_emit (et, et_signals[STATE_CHANGE], 0);
}

#define CHECK_HORIZONTAL(et) \
    if ((et)->horizontal_scrolling || (et)->horizontal_resize) \
        e_table_header_update_horizontal (et->header);

static void
clear_current_search_col (ETable *et)
{
    et->search_col_set = FALSE;
}

static ETableCol *
current_search_col (ETable *et)
{
    if (!et->search_col_set) {
        et->current_search_col =
            e_table_util_calculate_current_search_col (
                et->header,
                et->full_header,
                et->sort_info,
                et->always_search);
        et->search_col_set = TRUE;
    }

    return et->current_search_col;
}

static void
et_get_preferred_width (GtkWidget *widget,
                        gint *minimum,
                        gint *natural)
{
    ETable *et = E_TABLE (widget);

    GTK_WIDGET_CLASS (e_table_parent_class)->
        get_preferred_width (widget, minimum, natural);

    if (et->horizontal_resize) {
        *minimum = MAX (*minimum, et->header_width);
        *natural = MAX (*natural, et->header_width);
    }
}

static void
et_get_preferred_height (GtkWidget *widget,
                         gint *minimum,
                         gint *natural)
{
    GTK_WIDGET_CLASS (e_table_parent_class)->
        get_preferred_height (widget, minimum, natural);
}

static void
set_header_width (ETable *et)
{
    if (et->horizontal_resize) {
        et->header_width = e_table_header_min_width (et->header);
        gtk_widget_queue_resize (GTK_WIDGET (et));
    }
}

static void
structure_changed (ETableHeader *header,
                   ETable *et)
{
    e_table_state_change (et);
    set_header_width (et);
    clear_current_search_col (et);
}

static void
expansion_changed (ETableHeader *header,
                   ETable *et)
{
    e_table_state_change (et);
    set_header_width (et);
}

static void
dimension_changed (ETableHeader *header,
                   gint total_width,
                   ETable *et)
{
    set_header_width (et);
}

static void
disconnect_header (ETable *e_table)
{
    if (e_table->header == NULL)
        return;

    if (e_table->structure_change_id)
        g_signal_handler_disconnect (
            e_table->header, e_table->structure_change_id);
    if (e_table->expansion_change_id)
        g_signal_handler_disconnect (
            e_table->header, e_table->expansion_change_id);
    if (e_table->dimension_change_id)
        g_signal_handler_disconnect (
            e_table->header, e_table->dimension_change_id);

    g_object_unref (e_table->header);
    e_table->header = NULL;
}

static void
connect_header (ETable *e_table,
                ETableState *state)
{
    if (e_table->header != NULL)
        disconnect_header (e_table);

    e_table->header = e_table_state_to_header (
        GTK_WIDGET (e_table), e_table->full_header, state);

    e_table->structure_change_id = g_signal_connect (
        e_table->header, "structure_change",
        G_CALLBACK (structure_changed), e_table);
    e_table->expansion_change_id = g_signal_connect (
        e_table->header, "expansion_change",
        G_CALLBACK (expansion_changed), e_table);
    e_table->dimension_change_id = g_signal_connect (
        e_table->header, "dimension_change",
        G_CALLBACK (dimension_changed), e_table);
}

static void
et_dispose (GObject *object)
{
    ETable *et = E_TABLE (object);

    et_disconnect_model (et);

    if (et->search) {
        if (et->search_search_id)
            g_signal_handler_disconnect (
                et->search, et->search_search_id);
        if (et->search_accept_id)
            g_signal_handler_disconnect (
                et->search, et->search_accept_id);
        g_object_unref (et->search);
        et->search = NULL;
    }

    if (et->group_info_change_id) {
        g_signal_handler_disconnect (
            et->sort_info, et->group_info_change_id);
        et->group_info_change_id = 0;
    }

    if (et->sort_info_change_id) {
        g_signal_handler_disconnect (
            et->sort_info, et->sort_info_change_id);
        et->sort_info_change_id = 0;
    }

    if (et->reflow_idle_id) {
        g_source_remove (et->reflow_idle_id);
        et->reflow_idle_id = 0;
    }

    scroll_off (et);

    disconnect_header (et);

    if (et->model) {
        g_object_unref (et->model);
        et->model = NULL;
    }

    if (et->full_header) {
        g_object_unref (et->full_header);
        et->full_header = NULL;
    }

    if (et->sort_info) {
        g_object_unref (et->sort_info);
        et->sort_info = NULL;
    }

    if (et->sorter) {
        g_object_unref (et->sorter);
        et->sorter = NULL;
    }

    if (et->selection) {
        g_object_unref (et->selection);
        et->selection = NULL;
    }

    if (et->spec) {
        g_object_unref (et->spec);
        et->spec = NULL;
    }

    if (et->header_canvas != NULL) {
        gtk_widget_destroy (GTK_WIDGET (et->header_canvas));
        et->header_canvas = NULL;
    }

    if (et->site != NULL) {
        e_table_drag_source_unset (et);
        et->site = NULL;
    }

    if (et->table_canvas != NULL) {
        gtk_widget_destroy (GTK_WIDGET (et->table_canvas));
        et->table_canvas = NULL;
    }

    if (et->rebuild_idle_id != 0) {
        g_source_remove (et->rebuild_idle_id);
        et->rebuild_idle_id = 0;
    }

    g_free (et->click_to_add_message);
    et->click_to_add_message = NULL;

    g_free (et->domain);
    et->domain = NULL;

    G_OBJECT_CLASS (e_table_parent_class)->dispose (object);
}

static void
et_unrealize (GtkWidget *widget)
{
    scroll_off (E_TABLE (widget));

    if (GTK_WIDGET_CLASS (e_table_parent_class)->unrealize)
        GTK_WIDGET_CLASS (e_table_parent_class)->unrealize (widget);
}

static gboolean
check_row (ETable *et,
           gint model_row,
           gint col,
           ETableSearchFunc search,
           gchar *string)
{
    gconstpointer value;

    value = e_table_model_value_at (et->model, col, model_row);

    return search (value, string);
}

static gboolean
et_search_search (ETableSearch *search,
                  gchar *string,
                  ETableSearchFlags flags,
                  ETable *et)
{
    gint cursor;
    gint rows;
    gint i;
    ETableCol *col = current_search_col (et);

    if (col == NULL)
        return FALSE;

    rows = e_table_model_row_count (et->model);

    g_object_get (
        et->selection,
        "cursor_row", &cursor,
        NULL);

    if ((flags & E_TABLE_SEARCH_FLAGS_CHECK_CURSOR_FIRST) &&
        cursor < rows && cursor >= 0 &&
        check_row (et, cursor, col->spec->model_col, col->search, string))
        return TRUE;

    cursor = e_sorter_model_to_sorted (E_SORTER (et->sorter), cursor);

    for (i = cursor + 1; i < rows; i++) {
        gint model_row = e_sorter_sorted_to_model (E_SORTER (et->sorter), i);
        if (check_row (et, model_row, col->spec->model_col, col->search, string)) {
            e_selection_model_select_as_key_press (
                E_SELECTION_MODEL (et->selection),
                model_row, col->spec->model_col,
                GDK_CONTROL_MASK);
            return TRUE;
        }
    }

    for (i = 0; i < cursor; i++) {
        gint model_row = e_sorter_sorted_to_model (E_SORTER (et->sorter), i);
        if (check_row (et, model_row, col->spec->model_col, col->search, string)) {
            e_selection_model_select_as_key_press (
                E_SELECTION_MODEL (et->selection),
                model_row, col->spec->model_col,
                GDK_CONTROL_MASK);
            return TRUE;
        }
    }

    cursor = e_sorter_sorted_to_model (E_SORTER (et->sorter), cursor);

    /* Check if the cursor row is the only matching row. */
    return (!(flags & E_TABLE_SEARCH_FLAGS_CHECK_CURSOR_FIRST) &&
        cursor < rows && cursor >= 0 &&
        check_row (et, cursor, col->spec->model_col, col->search, string));
}

static void
et_search_accept (ETableSearch *search,
                  ETable *et)
{
    gint cursor;
    ETableCol *col = current_search_col (et);

    if (col == NULL)
        return;

    g_object_get (et->selection, "cursor_row", &cursor, NULL);

    e_selection_model_select_as_key_press (
        E_SELECTION_MODEL (et->selection),
        cursor, col->spec->model_col, 0);
}

static void
init_search (ETable *e_table)
{
    if (e_table->search != NULL)
        return;

    e_table->search           = e_table_search_new ();

    e_table->search_search_id = g_signal_connect (
        e_table->search, "search",
        G_CALLBACK (et_search_search), e_table);
    e_table->search_accept_id = g_signal_connect (
        e_table->search, "accept",
        G_CALLBACK (et_search_accept), e_table);
}

static void
et_finalize (GObject *object)
{
    ETable *et = E_TABLE (object);

    g_free (et->click_to_add_message);
    et->click_to_add_message = NULL;

    g_free (et->domain);
    et->domain = NULL;

    G_OBJECT_CLASS (e_table_parent_class)->finalize (object);
}

static void
e_table_init (ETable *e_table)
{
    gtk_widget_set_can_focus (GTK_WIDGET (e_table), TRUE);

    gtk_table_set_homogeneous (GTK_TABLE (e_table), FALSE);

    e_table->sort_info              = NULL;
    e_table->group_info_change_id   = 0;
    e_table->sort_info_change_id    = 0;
    e_table->structure_change_id    = 0;
    e_table->expansion_change_id    = 0;
    e_table->dimension_change_id    = 0;
    e_table->reflow_idle_id         = 0;
    e_table->scroll_idle_id         = 0;

    e_table->alternating_row_colors = 1;
    e_table->horizontal_draw_grid   = 1;
    e_table->vertical_draw_grid     = 1;
    e_table->draw_focus             = 1;
    e_table->cursor_mode            = E_CURSOR_SIMPLE;
    e_table->length_threshold       = 200;
    e_table->uniform_row_height     = FALSE;

    e_table->need_rebuild           = 0;
    e_table->rebuild_idle_id        = 0;

    e_table->horizontal_scrolling   = FALSE;
    e_table->horizontal_resize      = FALSE;

    e_table->click_to_add_message   = NULL;
    e_table->domain                 = NULL;

    e_table->drop_row               = -1;
    e_table->drop_col               = -1;
    e_table->site                   = NULL;

    e_table->do_drag                = 0;

    e_table->sorter                 = NULL;
    e_table->selection              = e_table_selection_model_new ();
    e_table->cursor_loc             = E_TABLE_CURSOR_LOC_NONE;
    e_table->spec                   = NULL;

    e_table->always_search          = g_getenv ("GAL_ALWAYS_SEARCH") ? TRUE : FALSE;

    e_table->search                 = NULL;
    e_table->search_search_id       = 0;
    e_table->search_accept_id       = 0;

    e_table->current_search_col     = NULL;

    e_table->header_width           = 0;

    e_table->state_changed      = FALSE;
    e_table->state_change_freeze    = 0;
}

/* Grab_focus handler for the ETable */
static void
et_grab_focus (GtkWidget *widget)
{
    ETable *e_table;

    e_table = E_TABLE (widget);

    gtk_widget_grab_focus (GTK_WIDGET (e_table->table_canvas));
}

/* Focus handler for the ETable */
static gint
et_focus (GtkWidget *container,
          GtkDirectionType direction)
{
    ETable *e_table;

    e_table = E_TABLE (container);

    if (gtk_container_get_focus_child (GTK_CONTAINER (container))) {
        gtk_container_set_focus_child (GTK_CONTAINER (container), NULL);
        return FALSE;
    }

    return gtk_widget_child_focus (GTK_WIDGET (e_table->table_canvas), direction);
}

static void
set_header_canvas_width (ETable *e_table)
{
    gdouble oldwidth, oldheight, width;

    if (!(e_table->header_item && e_table->header_canvas && e_table->table_canvas))
        return;

    gnome_canvas_get_scroll_region (
        GNOME_CANVAS (e_table->table_canvas),
        NULL, NULL, &width, NULL);
    gnome_canvas_get_scroll_region (
        GNOME_CANVAS (e_table->header_canvas),
        NULL, NULL, &oldwidth, &oldheight);

    if (oldwidth != width ||
        oldheight != E_TABLE_HEADER_ITEM (e_table->header_item)->height - 1)
        gnome_canvas_set_scroll_region (
            GNOME_CANVAS (e_table->header_canvas),
            0, 0, width, /*  COLUMN_HEADER_HEIGHT - 1 */
            E_TABLE_HEADER_ITEM (e_table->header_item)->height - 1);

}

static void
header_canvas_size_allocate (GtkWidget *widget,
                             GtkAllocation *alloc,
                             ETable *e_table)
{
    GtkAllocation allocation;

    set_header_canvas_width (e_table);

    gtk_widget_get_allocation (
        GTK_WIDGET (e_table->header_canvas), &allocation);

    /* When the header item is created ->height == 0,
     * as the font is only created when everything is realized.
     * So we set the usize here as well, so that the size of the
     * header is correct */
    if (allocation.height != E_TABLE_HEADER_ITEM (e_table->header_item)->height)
        g_object_set (
            e_table->header_canvas, "height-request",
            E_TABLE_HEADER_ITEM (e_table->header_item)->height,
            NULL);
}

static void
group_info_changed (ETableSortInfo *info,
                    ETable *et)
{
    gboolean will_be_grouped = e_table_sort_info_grouping_get_count (info) > 0;
    clear_current_search_col (et);
    if (et->is_grouped || will_be_grouped) {
        et->need_rebuild = TRUE;
        if (!et->rebuild_idle_id) {
            g_object_run_dispose (G_OBJECT (et->group));
            et->group = NULL;
            et->rebuild_idle_id = g_idle_add_full (20, changed_idle, et, NULL);
        }
    }
    e_table_state_change (et);
}

static void
sort_info_changed (ETableSortInfo *info,
                   ETable *et)
{
    clear_current_search_col (et);
    e_table_state_change (et);
}

static void
e_table_setup_header (ETable *e_table)
{
    gchar *pointer;
    e_table->header_canvas = GNOME_CANVAS (e_canvas_new ());

    gtk_widget_show (GTK_WIDGET (e_table->header_canvas));

    pointer = g_strdup_printf ("%p", (gpointer) e_table);

    e_table->header_item = gnome_canvas_item_new (
        gnome_canvas_root (e_table->header_canvas),
        e_table_header_item_get_type (),
        "ETableHeader", e_table->header,
        "full_header", e_table->full_header,
        "sort_info", e_table->sort_info,
        "dnd_code", pointer,
        "table", e_table,
        NULL);

    g_free (pointer);

    g_signal_connect (
        e_table->header_canvas, "size_allocate",
        G_CALLBACK (header_canvas_size_allocate), e_table);

    g_object_set (
        e_table->header_canvas, "height-request",
        E_TABLE_HEADER_ITEM (e_table->header_item)->height, NULL);
}

static gboolean
table_canvas_reflow_idle (ETable *e_table)
{
    gdouble height, width;
    gdouble oldheight, oldwidth;
    GtkAllocation allocation;

    gtk_widget_get_allocation (
        GTK_WIDGET (e_table->table_canvas), &allocation);

    g_object_get (
        e_table->canvas_vbox,
        "height", &height, "width", &width, NULL);
    height = MAX ((gint) height, allocation.height);
    width = MAX ((gint) width, allocation.width);
    /* I have no idea why this needs to be -1, but it works. */
    gnome_canvas_get_scroll_region (
        GNOME_CANVAS (e_table->table_canvas),
        NULL, NULL, &oldwidth, &oldheight);

    if (oldwidth != width - 1 ||
        oldheight != height - 1) {
        gnome_canvas_set_scroll_region (
            GNOME_CANVAS (e_table->table_canvas),
            0, 0, width - 1, height - 1);
        set_header_canvas_width (e_table);
    }
    e_table->reflow_idle_id = 0;
    return FALSE;
}

static void
table_canvas_size_allocate (GtkWidget *widget,
                            GtkAllocation *alloc,
                            ETable *e_table)
{
    gdouble width;
    gdouble height;
    GValue *val = g_new0 (GValue, 1);
    g_value_init (val, G_TYPE_DOUBLE);

    width = alloc->width;
    g_value_set_double (val, width);
    g_object_get (
        e_table->canvas_vbox,
        "height", &height,
        NULL);
    height = MAX ((gint) height, alloc->height);

    g_object_set (
        e_table->canvas_vbox,
        "width", width,
        NULL);
    g_object_set_property (G_OBJECT (e_table->header), "width", val);
    g_free (val);
    if (e_table->reflow_idle_id)
        g_source_remove (e_table->reflow_idle_id);
    table_canvas_reflow_idle (e_table);

    e_table->size_allocated = TRUE;

    if (e_table->need_rebuild && !e_table->rebuild_idle_id)
        e_table->rebuild_idle_id = g_idle_add_full (20, changed_idle, e_table, NULL);
}

static void
table_canvas_reflow (GnomeCanvas *canvas,
                     ETable *e_table)
{
    if (!e_table->reflow_idle_id)
        e_table->reflow_idle_id = g_idle_add_full (
            400, (GSourceFunc) table_canvas_reflow_idle,
            e_table, NULL);
}

static void
click_to_add_cursor_change (ETableClickToAdd *etcta,
                            gint row,
                            gint col,
                            ETable *et)
{
    if (et->cursor_loc == E_TABLE_CURSOR_LOC_TABLE) {
        e_selection_model_clear (E_SELECTION_MODEL (et->selection));
    }
    et->cursor_loc = E_TABLE_CURSOR_LOC_ETCTA;
}

static void
group_cursor_change (ETableGroup *etg,
                     gint row,
                     ETable *et)
{
    ETableCursorLoc old_cursor_loc;

    old_cursor_loc = et->cursor_loc;

    et->cursor_loc = E_TABLE_CURSOR_LOC_TABLE;
    g_signal_emit (et, et_signals[CURSOR_CHANGE], 0, row);

    if (old_cursor_loc == E_TABLE_CURSOR_LOC_ETCTA && et->click_to_add)
        e_table_click_to_add_commit (E_TABLE_CLICK_TO_ADD (et->click_to_add));
}

static void
group_cursor_activated (ETableGroup *etg,
                        gint row,
                        ETable *et)
{
    g_signal_emit (et, et_signals[CURSOR_ACTIVATED], 0, row);
}

static void
group_double_click (ETableGroup *etg,
                    gint row,
                    gint col,
                    GdkEvent *event,
                    ETable *et)
{
    g_signal_emit (et, et_signals[DOUBLE_CLICK], 0, row, col, event);
}

static gboolean
group_right_click (ETableGroup *etg,
                   gint row,
                   gint col,
                   GdkEvent *event,
                   ETable *et)
{
    gboolean return_val = FALSE;

    g_signal_emit (
        et, et_signals[RIGHT_CLICK], 0,
        row, col, event, &return_val);

    return return_val;
}

static gboolean
group_click (ETableGroup *etg,
             gint row,
             gint col,
             GdkEvent *event,
             ETable *et)
{
    gboolean return_val = 0;

    g_signal_emit (
        et, et_signals[CLICK], 0,
        row, col, event, &return_val);

    return return_val;
}

static gboolean
group_key_press (ETableGroup *etg,
                 gint row,
                 gint col,
                 GdkEvent *event,
                 ETable *et)
{
    gboolean return_val = FALSE;
    GdkEventKey *key = (GdkEventKey *) event;
    gint y, row_local, col_local;
    GtkAdjustment *adjustment;
    GtkScrollable *scrollable;
    gdouble page_size;
    gdouble upper;
    gdouble value;

    scrollable = GTK_SCROLLABLE (et->table_canvas);
    adjustment = gtk_scrollable_get_vadjustment (scrollable);

    switch (key->keyval) {
    case GDK_KEY_Page_Down:
    case GDK_KEY_KP_Page_Down:
        page_size = gtk_adjustment_get_page_size (adjustment);
        upper = gtk_adjustment_get_value (adjustment);
        value = gtk_adjustment_get_value (adjustment);

        y = CLAMP (value + (2 * page_size - 50), 0, upper);
        y -= value;
        e_table_get_cell_at (et, 30, y, &row_local, &col_local);

        if (row_local == -1)
            row_local = e_table_model_row_count (et->model) - 1;

        row_local = e_table_view_to_model_row (et, row_local);
        col_local = e_selection_model_cursor_col (E_SELECTION_MODEL (et->selection));
        e_selection_model_select_as_key_press (
            E_SELECTION_MODEL (et->selection),
            row_local, col_local, key->state);
        return_val = 1;
        break;
    case GDK_KEY_Page_Up:
    case GDK_KEY_KP_Page_Up:
        page_size = gtk_adjustment_get_page_size (adjustment);
        upper = gtk_adjustment_get_upper (adjustment);
        value = gtk_adjustment_get_value (adjustment);

        y = CLAMP (value - (page_size - 50), 0, upper);
        y -= value;
        e_table_get_cell_at (et, 30, y, &row_local, &col_local);

        if (row_local == -1)
            row_local = 0;

        row_local = e_table_view_to_model_row (et, row_local);
        col_local = e_selection_model_cursor_col (E_SELECTION_MODEL (et->selection));
        e_selection_model_select_as_key_press (
            E_SELECTION_MODEL (et->selection),
            row_local, col_local, key->state);
        return_val = 1;
        break;
    case GDK_KEY_BackSpace:
        init_search (et);
        if (e_table_search_backspace (et->search))
            return TRUE;
        /* Fall through */
    default:
        init_search (et);
        if ((key->state & ~(GDK_SHIFT_MASK | GDK_LOCK_MASK |
            GDK_MOD1_MASK | GDK_MOD2_MASK | GDK_MOD3_MASK |
            GDK_MOD4_MASK | GDK_MOD5_MASK)) == 0
            && ((key->keyval >= GDK_KEY_a && key->keyval <= GDK_KEY_z) ||
            (key->keyval >= GDK_KEY_A && key->keyval <= GDK_KEY_Z) ||
            (key->keyval >= GDK_KEY_0 && key->keyval <= GDK_KEY_9)))
            e_table_search_input_character (et->search, key->keyval);
        g_signal_emit (
            et, et_signals[KEY_PRESS], 0,
            row, col, event, &return_val);
        break;
    }
    return return_val;
}

static gboolean
group_start_drag (ETableGroup *etg,
                  gint row,
                  gint col,
                  GdkEvent *event,
                  ETable *et)
{
    gboolean return_val = TRUE;

    g_signal_emit (
        et, et_signals[START_DRAG], 0,
        row, col, event, &return_val);

    return return_val;
}

static void
et_table_model_changed (ETableModel *model,
                        ETable *et)
{
    et->need_rebuild = TRUE;
    if (!et->rebuild_idle_id) {
        g_object_run_dispose (G_OBJECT (et->group));
        et->group = NULL;
        et->rebuild_idle_id = g_idle_add_full (20, changed_idle, et, NULL);
    }
}

static void
et_table_row_changed (ETableModel *table_model,
                      gint row,
                      ETable *et)
{
    if (!et->need_rebuild) {
        if (e_table_group_remove (et->group, row))
            e_table_group_add (et->group, row);
        CHECK_HORIZONTAL (et);
    }
}

static void
et_table_cell_changed (ETableModel *table_model,
                       gint view_col,
                       gint row,
                       ETable *et)
{
    et_table_row_changed (table_model, row, et);
}

static void
et_table_rows_inserted (ETableModel *table_model,
                        gint row,
                        gint count,
                        ETable *et)
{
    /* This number has already been decremented. */
    gint row_count = e_table_model_row_count (table_model);
    if (!et->need_rebuild) {
        gint i;
        if (row != row_count - count)
            e_table_group_increment (et->group, row, count);
        for (i = 0; i < count; i++)
            e_table_group_add (et->group, row + i);
        CHECK_HORIZONTAL (et);
    }
}

static void
et_table_rows_deleted (ETableModel *table_model,
                       gint row,
                       gint count,
                       ETable *et)
{
    gint row_count = e_table_model_row_count (table_model);
    if (!et->need_rebuild) {
        gint i;
        for (i = 0; i < count; i++)
            e_table_group_remove (et->group, row + i);
        if (row != row_count)
            e_table_group_decrement (et->group, row, count);
        CHECK_HORIZONTAL (et);
    }
}

static void
group_is_editing_changed_cb (ETableClickToAdd *etcta,
                             GParamSpec *param,
                             ETable *table)
{
    g_return_if_fail (E_IS_TABLE (table));

    g_object_notify (G_OBJECT (table), "is-editing");
}

static void
et_build_groups (ETable *et)
{
    gboolean was_grouped = et->is_grouped;

    et->is_grouped = e_table_sort_info_grouping_get_count (et->sort_info) > 0;

    et->group = e_table_group_new (
        GNOME_CANVAS_GROUP (et->canvas_vbox),
        et->full_header,
        et->header,
        et->model,
        et->sort_info,
        0);

    if (et->use_click_to_add_end)
        e_canvas_vbox_add_item_start (
            E_CANVAS_VBOX (et->canvas_vbox),
            GNOME_CANVAS_ITEM (et->group));
    else
        e_canvas_vbox_add_item (
            E_CANVAS_VBOX (et->canvas_vbox),
            GNOME_CANVAS_ITEM (et->group));

    gnome_canvas_item_set (
        GNOME_CANVAS_ITEM (et->group),
        "alternating_row_colors", et->alternating_row_colors,
        "horizontal_draw_grid", et->horizontal_draw_grid,
        "vertical_draw_grid", et->vertical_draw_grid,
        "drawfocus", et->draw_focus,
        "cursor_mode", et->cursor_mode,
        "length_threshold", et->length_threshold,
        "uniform_row_height", et->uniform_row_height,
        "selection_model", et->selection,
        NULL);

    g_signal_connect (
        et->group, "cursor_change",
        G_CALLBACK (group_cursor_change), et);
    g_signal_connect (
        et->group, "cursor_activated",
        G_CALLBACK (group_cursor_activated), et);
    g_signal_connect (
        et->group, "double_click",
        G_CALLBACK (group_double_click), et);
    g_signal_connect (
        et->group, "right_click",
        G_CALLBACK (group_right_click), et);
    g_signal_connect (
        et->group, "click",
        G_CALLBACK (group_click), et);
    g_signal_connect (
        et->group, "key_press",
        G_CALLBACK (group_key_press), et);
    g_signal_connect (
        et->group, "start_drag",
        G_CALLBACK (group_start_drag), et);
    g_signal_connect (
        et->group, "notify::is-editing",
        G_CALLBACK (group_is_editing_changed_cb), et);

    if (!(et->is_grouped) && was_grouped)
        et_disconnect_model (et);

    if (et->is_grouped && (!was_grouped)) {
        et->table_model_change_id = g_signal_connect (
            et->model, "model_changed",
            G_CALLBACK (et_table_model_changed), et);

        et->table_row_change_id = g_signal_connect (
            et->model, "model_row_changed",
            G_CALLBACK (et_table_row_changed), et);

        et->table_cell_change_id = g_signal_connect (
            et->model, "model_cell_changed",
            G_CALLBACK (et_table_cell_changed), et);

        et->table_rows_inserted_id = g_signal_connect (
            et->model, "model_rows_inserted",
            G_CALLBACK (et_table_rows_inserted), et);

        et->table_rows_deleted_id = g_signal_connect (
            et->model, "model_rows_deleted",
            G_CALLBACK (et_table_rows_deleted), et);

    }

    if (et->is_grouped)
        e_table_fill_table (et, et->model);
}

static gboolean
changed_idle (gpointer data)
{
    ETable *et = E_TABLE (data);

    /* Wait until we have a valid size allocation. */
    if (et->need_rebuild && et->size_allocated) {
        GtkWidget *widget;
        GtkAllocation allocation;

        if (et->group)
            g_object_run_dispose (G_OBJECT (et->group));
        et_build_groups (et);

        widget = GTK_WIDGET (et->table_canvas);
        gtk_widget_get_allocation (widget, &allocation);

        g_object_set (
            et->canvas_vbox,
            "width", (gdouble) allocation.width,
            NULL);

        table_canvas_size_allocate (widget, &allocation, et);

        et->need_rebuild = 0;
    }

    et->rebuild_idle_id = 0;

    CHECK_HORIZONTAL (et);

    return FALSE;
}

static void
et_canvas_realize (GtkWidget *canvas,
                   ETable *e_table)
{
    GtkWidget *widget;
    GtkStyle *style;

    widget = GTK_WIDGET (e_table->table_canvas);
    style = gtk_widget_get_style (widget);

    gnome_canvas_item_set (
        e_table->white_item,
        "fill_color_gdk", &style->base[GTK_STATE_NORMAL],
        NULL);

    CHECK_HORIZONTAL (e_table);
    set_header_width (e_table);
}

static gboolean
white_item_event (GnomeCanvasItem *white_item,
                  GdkEvent *event,
                  ETable *e_table)
{
    gboolean return_val = 0;

    g_signal_emit (
        e_table, et_signals[WHITE_SPACE_EVENT], 0,
        event, &return_val);

    return return_val;
}

static void
et_eti_leave_edit (ETable *et)
{
    GnomeCanvas *canvas = et->table_canvas;

    if (gtk_widget_has_focus (GTK_WIDGET (canvas))) {
        GnomeCanvasItem *item = GNOME_CANVAS (canvas)->focused_item;

        if (E_IS_TABLE_ITEM (item)) {
            e_table_item_leave_edit_(E_TABLE_ITEM (item));
        }
    }
}

static gint
et_canvas_root_event (GnomeCanvasItem *root,
                      GdkEvent *event,
                      ETable *e_table)
{
    switch (event->type) {
    case GDK_BUTTON_PRESS:
    case GDK_2BUTTON_PRESS:
    case GDK_BUTTON_RELEASE:
        if (event->button.button != 4 && event->button.button != 5) {
            et_eti_leave_edit (e_table);
            return TRUE;
        }
        break;
    default:
        break;
    }

    return FALSE;
}

/* Finds the first descendant of the group that is an ETableItem and focuses it */
static void
focus_first_etable_item (ETableGroup *group)
{
    GnomeCanvasGroup *cgroup;
    GList *l;

    cgroup = GNOME_CANVAS_GROUP (group);

    for (l = cgroup->item_list; l; l = l->next) {
        GnomeCanvasItem *i;

        i = GNOME_CANVAS_ITEM (l->data);

        if (E_IS_TABLE_GROUP (i))
            focus_first_etable_item (E_TABLE_GROUP (i));
        else if (E_IS_TABLE_ITEM (i)) {
            e_table_item_set_cursor (E_TABLE_ITEM (i), 0, 0);
            gnome_canvas_item_grab_focus (i);
        }
    }
}

/* Handler for focus events in the table_canvas; we have to repaint ourselves
 * always, and also give the focus to some ETableItem if we get focused.
 */
static gint
table_canvas_focus_event_cb (GtkWidget *widget,
                             GdkEventFocus *event,
                             gpointer data)
{
    GnomeCanvas *canvas;
    ECanvas *ecanvas;
    ETable *etable;

    gtk_widget_queue_draw (widget);
    canvas = GNOME_CANVAS (widget);
    ecanvas = E_CANVAS (widget);

    if (!event->in) {
        gtk_im_context_focus_out (ecanvas->im_context);
        return FALSE;
    } else {
        gtk_im_context_focus_in (ecanvas->im_context);
    }

    etable = E_TABLE (data);

    if (e_table_model_row_count (etable->model) < 1
        && (etable->click_to_add)
        && !(E_TABLE_CLICK_TO_ADD (etable->click_to_add)->row)) {
        gnome_canvas_item_grab_focus (etable->canvas_vbox);
        gnome_canvas_item_grab_focus (etable->click_to_add);
    } else if (!canvas->focused_item && etable->group) {
        focus_first_etable_item (etable->group);
    } else if (canvas->focused_item) {
        ESelectionModel *selection = (ESelectionModel *) etable->selection;

        /* check whether click_to_add already got the focus */
        if (etable->click_to_add) {
            GnomeCanvasItem *row = E_TABLE_CLICK_TO_ADD (etable->click_to_add)->row;
            if (canvas->focused_item == row)
                return TRUE;
        }

        if (e_selection_model_cursor_row (selection) == -1)
            focus_first_etable_item (etable->group);
    }

    return FALSE;
}

static gboolean
canvas_vbox_event (ECanvasVbox *vbox,
                   GdkEventKey *key,
                   ETable *etable)
{
    if (key->type != GDK_KEY_PRESS  &&
        key->type != GDK_KEY_RELEASE) {
        return FALSE;
    }
    switch (key->keyval) {
        case GDK_KEY_Tab:
        case GDK_KEY_KP_Tab:
        case GDK_KEY_ISO_Left_Tab:
            if ((key->state & GDK_CONTROL_MASK) && etable->click_to_add) {
                gnome_canvas_item_grab_focus (etable->click_to_add);
                break;
            }
        default:
            return FALSE;
    }

    return TRUE;
}

static void
click_to_add_is_editing_changed_cb (ETableClickToAdd *etcta,
                                    GParamSpec *param,
                                    ETable *table)
{
    g_return_if_fail (E_IS_TABLE (table));

    g_object_notify (G_OBJECT (table), "is-editing");
}

static gboolean
click_to_add_event (ETableClickToAdd *etcta,
                    GdkEventKey *key,
                    ETable *etable)
{
    if (key->type != GDK_KEY_PRESS  &&
        key->type != GDK_KEY_RELEASE) {
        return FALSE;
    }
    switch (key->keyval) {
        case GDK_KEY_Tab:
        case GDK_KEY_KP_Tab:
        case GDK_KEY_ISO_Left_Tab:
            if (key->state & GDK_CONTROL_MASK) {
                if (etable->group) {
                    if (e_table_model_row_count (etable->model) > 0)
                        focus_first_etable_item (etable->group);
                    else
                        gtk_widget_child_focus (
                            gtk_widget_get_toplevel (
                            GTK_WIDGET (etable->table_canvas)),
                            GTK_DIR_TAB_FORWARD);
                    break;
                }
            }
        default:
            return FALSE;
    }

    return FALSE;
}

static void
e_table_setup_table (ETable *e_table,
                     ETableHeader *full_header,
                     ETableHeader *header,
                     ETableModel *model)
{
    GtkWidget *widget;
    GtkStyle *style;

    e_table->table_canvas = GNOME_CANVAS (e_canvas_new ());
    g_signal_connect (
        e_table->table_canvas, "size_allocate",
        G_CALLBACK (table_canvas_size_allocate), e_table);
    g_signal_connect (
        e_table->table_canvas, "focus_in_event",
        G_CALLBACK (table_canvas_focus_event_cb), e_table);
    g_signal_connect (
        e_table->table_canvas, "focus_out_event",
        G_CALLBACK (table_canvas_focus_event_cb), e_table);

    g_signal_connect (
        e_table, "drag_begin",
        G_CALLBACK (et_drag_begin), e_table);
    g_signal_connect (
        e_table, "drag_end",
        G_CALLBACK (et_drag_end), e_table);
    g_signal_connect (
        e_table, "drag_data_get",
        G_CALLBACK (et_drag_data_get), e_table);
    g_signal_connect (
        e_table, "drag_data_delete",
        G_CALLBACK (et_drag_data_delete), e_table);
    g_signal_connect (
        e_table, "drag_motion",
        G_CALLBACK (et_drag_motion), e_table);
    g_signal_connect (
        e_table, "drag_leave",
        G_CALLBACK (et_drag_leave), e_table);
    g_signal_connect (
        e_table, "drag_drop",
        G_CALLBACK (et_drag_drop), e_table);
    g_signal_connect (
        e_table, "drag_data_received",
        G_CALLBACK (et_drag_data_received), e_table);

    g_signal_connect (
        e_table->table_canvas, "reflow",
        G_CALLBACK (table_canvas_reflow), e_table);

    widget = GTK_WIDGET (e_table->table_canvas);
    style = gtk_widget_get_style (widget);

    gtk_widget_show (widget);

    e_table->white_item = gnome_canvas_item_new (
        gnome_canvas_root (e_table->table_canvas),
        e_canvas_background_get_type (),
        "fill_color_gdk", &style->base[GTK_STATE_NORMAL],
        NULL);

    g_signal_connect (
        e_table->white_item, "event",
        G_CALLBACK (white_item_event), e_table);

    g_signal_connect (
        e_table->table_canvas, "realize",
        G_CALLBACK (et_canvas_realize), e_table);

    g_signal_connect (
        gnome_canvas_root (e_table->table_canvas), "event",
        G_CALLBACK (et_canvas_root_event), e_table);

    e_table->canvas_vbox = gnome_canvas_item_new (
        gnome_canvas_root (e_table->table_canvas),
        e_canvas_vbox_get_type (),
        "spacing", 10.0,
        NULL);

    g_signal_connect (
        e_table->canvas_vbox, "event",
        G_CALLBACK (canvas_vbox_event), e_table);

    et_build_groups (e_table);

    if (e_table->use_click_to_add) {
        e_table->click_to_add = gnome_canvas_item_new (
            GNOME_CANVAS_GROUP (e_table->canvas_vbox),
            e_table_click_to_add_get_type (),
            "header", e_table->header,
            "model", e_table->model,
            "message", e_table->click_to_add_message,
            NULL);

        if (e_table->use_click_to_add_end)
            e_canvas_vbox_add_item (
                E_CANVAS_VBOX (e_table->canvas_vbox),
                e_table->click_to_add);
        else
            e_canvas_vbox_add_item_start (
                E_CANVAS_VBOX (e_table->canvas_vbox),
                e_table->click_to_add);

        g_signal_connect (
            e_table->click_to_add, "event",
            G_CALLBACK (click_to_add_event), e_table);
        g_signal_connect (
            e_table->click_to_add, "cursor_change",
            G_CALLBACK (click_to_add_cursor_change), e_table);
        g_signal_connect (
            e_table->click_to_add, "notify::is-editing",
            G_CALLBACK (click_to_add_is_editing_changed_cb), e_table);
    }
}

static void
e_table_fill_table (ETable *e_table,
                    ETableModel *model)
{
    e_table_group_add_all (e_table->group);
}

/**
 * e_table_set_state_object:
 * @e_table: The #ETable object to modify
 * @state: The #ETableState to use
 *
 * This routine sets the state of the #ETable from the given
 * #ETableState.
 *
 **/
void
e_table_set_state_object (ETable *e_table,
                          ETableState *state)
{
    GValue *val;
    GtkWidget *widget;
    GtkAllocation allocation;

    val = g_new0 (GValue, 1);
    g_value_init (val, G_TYPE_DOUBLE);

    connect_header (e_table, state);

    widget = GTK_WIDGET (e_table->table_canvas);
    gtk_widget_get_allocation (widget, &allocation);

    g_value_set_double (val, (gdouble) allocation.width);
    g_object_set_property (G_OBJECT (e_table->header), "width", val);
    g_free (val);

    if (e_table->sort_info) {
        if (e_table->group_info_change_id)
            g_signal_handler_disconnect (
                e_table->sort_info,
                e_table->group_info_change_id);
        if (e_table->sort_info_change_id)
            g_signal_handler_disconnect (
                e_table->sort_info,
                e_table->sort_info_change_id);
        g_object_unref (e_table->sort_info);
    }
    if (state->sort_info) {
        e_table->sort_info = e_table_sort_info_duplicate (state->sort_info);
        e_table_sort_info_set_can_group (
            e_table->sort_info, e_table->allow_grouping);
        e_table->group_info_change_id = g_signal_connect (
            e_table->sort_info, "group_info_changed",
            G_CALLBACK (group_info_changed), e_table);

        e_table->sort_info_change_id = g_signal_connect (
            e_table->sort_info, "sort_info_changed",
            G_CALLBACK (sort_info_changed), e_table);
    }
    else
        e_table->sort_info = NULL;

    if (e_table->sorter)
        g_object_set (
            e_table->sorter,
            "sort_info", e_table->sort_info,
            NULL);
    if (e_table->header_item)
        g_object_set (
            e_table->header_item,
            "ETableHeader", e_table->header,
            "sort_info", e_table->sort_info,
            NULL);
    if (e_table->click_to_add)
        g_object_set (
            e_table->click_to_add,
            "header", e_table->header,
            NULL);

    e_table->need_rebuild = TRUE;
    if (!e_table->rebuild_idle_id)
        e_table->rebuild_idle_id = g_idle_add_full (20, changed_idle, e_table, NULL);

    e_table_state_change (e_table);
}

/**
 * e_table_load_state:
 * @e_table: The #ETable object to modify
 * @filename: name of the file to use
 *
 * This routine sets the state of the #ETable from a file.
 *
 **/
void
e_table_load_state (ETable *e_table,
                    const gchar *filename)
{
    ETableState *state;

    g_return_if_fail (E_IS_TABLE (e_table));
    g_return_if_fail (filename != NULL);

    state = e_table_state_new (e_table->spec);
    e_table_state_load_from_file (state, filename);

    if (state->col_count > 0)
        e_table_set_state_object (e_table, state);

    g_object_unref (state);
}

/**
 * e_table_get_state_object:
 * @e_table: #ETable object to act on
 *
 * Builds an #ETableState corresponding to the current state of the
 * #ETable.
 *
 * Return value:
 * The %ETableState object generated.
 **/
ETableState *
e_table_get_state_object (ETable *e_table)
{
    ETableState *state;
    GPtrArray *columns;
    gint full_col_count;
    gint i, j;

    columns = e_table_specification_ref_columns (e_table->spec);

    state = e_table_state_new (e_table->spec);

    g_clear_object (&state->sort_info);
    state->sort_info = g_object_ref (e_table->sort_info);

    state->col_count = e_table_header_count (e_table->header);
    full_col_count = e_table_header_count (e_table->full_header);

    state->column_specs = g_new (
        ETableColumnSpecification *, state->col_count);
    state->expansions = g_new (gdouble, state->col_count);

    for (i = 0; i < state->col_count; i++) {
        ETableCol *col = e_table_header_get_column (e_table->header, i);
        state->column_specs[i] = NULL;
        for (j = 0; j < full_col_count; j++) {
            if (col->spec->model_col == e_table_header_index (e_table->full_header, j)) {
                state->column_specs[i] =
                    g_object_ref (columns->pdata[j]);
                break;
            }
        }
        state->expansions[i] = col->expansion;
    }

    g_ptr_array_unref (columns);

    return state;
}

/**
 * e_table_save_state:
 * @e_table: The #ETable to act on
 * @filename: name of the file to save to
 *
 * Saves the state of the @e_table object into the file pointed by
 * @filename.
 *
 **/
void
e_table_save_state (ETable *e_table,
                    const gchar *filename)
{
    ETableState *state;

    state = e_table_get_state_object (e_table);
    e_table_state_save_to_file (state, filename);
    g_object_unref (state);
}

static void
et_selection_model_selection_changed (ETableGroup *etg,
                                      ETable *et)
{
    g_signal_emit (et, et_signals[SELECTION_CHANGE], 0);
}

static void
et_selection_model_selection_row_changed (ETableGroup *etg,
                                          gint row,
                                          ETable *et)
{
    g_signal_emit (et, et_signals[SELECTION_CHANGE], 0);
}

static ETable *
et_real_construct (ETable *e_table,
                   ETableModel *etm,
                   ETableExtras *ete,
                   ETableSpecification *specification,
                   ETableState *state)
{
    gint row = 0;
    gint col_count, i;
    GValue *val;
    GtkAdjustment *adjustment;
    GtkScrollable *scrollable;

    val = g_new0 (GValue, 1);
    g_value_init (val, G_TYPE_OBJECT);

    if (ete)
        g_object_ref (ete);
    else {
        ete = e_table_extras_new ();
    }

    e_table->domain = g_strdup (specification->domain);

    e_table->use_click_to_add = specification->click_to_add;
    e_table->use_click_to_add_end = specification->click_to_add_end;
    e_table->click_to_add_message = specification->click_to_add_message ?
        g_strdup (
            dgettext (e_table->domain,
        specification->click_to_add_message)) : NULL;
    e_table->alternating_row_colors = specification->alternating_row_colors;
    e_table->horizontal_draw_grid = specification->horizontal_draw_grid;
    e_table->vertical_draw_grid = specification->vertical_draw_grid;
    e_table->draw_focus = specification->draw_focus;
    e_table->cursor_mode = specification->cursor_mode;
    e_table->full_header = e_table_spec_to_full_header (specification, ete);

    col_count = e_table_header_count (e_table->full_header);
    for (i = 0; i < col_count; i++) {
        ETableCol *col = e_table_header_get_column (e_table->full_header, i);
        if (col && col->search) {
            e_table->current_search_col = col;
            e_table->search_col_set = TRUE;
            break;
        }
    }

    e_table->model = etm;
    g_object_ref (etm);

    connect_header (e_table, state);
    e_table->horizontal_scrolling = specification->horizontal_scrolling;
    e_table->horizontal_resize = specification->horizontal_resize;
    e_table->allow_grouping = specification->allow_grouping;

    e_table->sort_info = g_object_ref (state->sort_info);

    e_table_sort_info_set_can_group (
        e_table->sort_info, e_table->allow_grouping);

    e_table->group_info_change_id = g_signal_connect (
        e_table->sort_info, "group_info_changed",
        G_CALLBACK (group_info_changed), e_table);

    e_table->sort_info_change_id = g_signal_connect (
        e_table->sort_info, "sort_info_changed",
        G_CALLBACK (sort_info_changed), e_table);

    g_value_set_object (val, e_table->sort_info);
    g_object_set_property (G_OBJECT (e_table->header), "sort_info", val);
    g_free (val);

    e_table->sorter = e_table_sorter_new (
        etm, e_table->full_header, e_table->sort_info);

    g_object_set (
        e_table->selection,
        "model", etm,
        "selection_mode", specification->selection_mode,
        "cursor_mode", specification->cursor_mode,
        "sorter", e_table->sorter,
        "header", e_table->header,
        NULL);

    g_signal_connect (
        e_table->selection, "selection_changed",
        G_CALLBACK (et_selection_model_selection_changed), e_table);
    g_signal_connect (
        e_table->selection, "selection_row_changed",
        G_CALLBACK (et_selection_model_selection_row_changed), e_table);

    if (!specification->no_headers)
        e_table_setup_header (e_table);

    e_table_setup_table (
        e_table, e_table->full_header, e_table->header, etm);
    e_table_fill_table (e_table, etm);

    scrollable = GTK_SCROLLABLE (e_table->table_canvas);

    adjustment = gtk_scrollable_get_vadjustment (scrollable);
    gtk_adjustment_set_step_increment (adjustment, 20);

    adjustment = gtk_scrollable_get_hadjustment (scrollable);
    gtk_adjustment_set_step_increment (adjustment, 20);

    if (!specification->no_headers) {
        /* The header */
        gtk_table_attach (
            GTK_TABLE (e_table), GTK_WIDGET (e_table->header_canvas),
            0, 1, 0 + row, 1 + row,
            GTK_FILL | GTK_EXPAND,
            GTK_FILL, 0, 0);
        row++;
    }
    gtk_table_attach (
        GTK_TABLE (e_table), GTK_WIDGET (e_table->table_canvas),
        0, 1, 0 + row, 1 + row,
        GTK_FILL | GTK_EXPAND,
        GTK_FILL | GTK_EXPAND,
        0, 0);

    g_object_unref (ete);

    return e_table;
}

/**
 * e_table_construct:
 * @e_table: The newly created #ETable object.
 * @etm: The model for this table.
 * @ete: An optional #ETableExtras.  (%NULL is valid.)
 * @specification: an #ETableSpecification
 *
 * This is the internal implementation of e_table_new() for use by
 * subclasses or language bindings.  See e_table_new() for details.
 *
 * Return value:
 * The passed in value @e_table or %NULL if there's an error.
 **/
ETable *
e_table_construct (ETable *e_table,
                   ETableModel *etm,
                   ETableExtras *ete,
                   ETableSpecification *specification)
{
    ETableState *state;

    g_return_val_if_fail (E_IS_TABLE (e_table), NULL);
    g_return_val_if_fail (E_IS_TABLE_MODEL (etm), NULL);
    g_return_val_if_fail (ete == NULL || E_IS_TABLE_EXTRAS (ete), NULL);
    g_return_val_if_fail (E_IS_TABLE_SPECIFICATION (specification), NULL);

    g_object_ref (etm);

    state = g_object_ref (specification->state);

    e_table = et_real_construct (e_table, etm, ete, specification, state);

    e_table->spec = g_object_ref (specification);
    g_object_unref (state);

    return e_table;
}

/**
 * e_table_new:
 * @etm: The model for this table.
 * @ete: An optional #ETableExtras.  (%NULL is valid.)
 * @specification: an #ETableSpecification
 *
 * This function creates an #ETable from the given parameters.  The
 * #ETableModel is a table model to be represented.  The #ETableExtras
 * is an optional set of pixbufs, cells, and sorting functions to be
 * used when interpreting the spec.  If you pass in %NULL it uses the
 * default #ETableExtras.  (See e_table_extras_new()).
 *
 * @specification is the specification of the set of viewable columns and the
 * default sorting state and such.  @state is an optional string specifying
 * the current sorting state and such.
 *
 * Return value:
 * The newly created #ETable or %NULL if there's an error.
 **/
GtkWidget *
e_table_new (ETableModel *etm,
             ETableExtras *ete,
             ETableSpecification *specification)
{
    ETable *e_table;

    g_return_val_if_fail (E_IS_TABLE_MODEL (etm), NULL);
    g_return_val_if_fail (ete == NULL || E_IS_TABLE_EXTRAS (ete), NULL);
    g_return_val_if_fail (E_IS_TABLE_SPECIFICATION (specification), NULL);

    e_table = g_object_new (E_TYPE_TABLE, NULL);

    e_table = e_table_construct (e_table, etm, ete, specification);

    return GTK_WIDGET (e_table);
}

/**
 * e_table_set_cursor_row:
 * @e_table: The #ETable to set the cursor row of
 * @row: The row number
 *
 * Sets the cursor row and the selection to the given row number.
 **/
void
e_table_set_cursor_row (ETable *e_table,
                        gint row)
{
    g_return_if_fail (E_IS_TABLE (e_table));
    g_return_if_fail (row >= 0);

    g_object_set (
        e_table->selection,
        "cursor_row", row,
        NULL);
}

/**
 * e_table_get_cursor_row:
 * @e_table: The #ETable to query
 *
 * Calculates the cursor row.  -1 means that we don't have a cursor.
 *
 * Return value:
 * Cursor row
 **/
gint
e_table_get_cursor_row (ETable *e_table)
{
    gint row;
    g_return_val_if_fail (E_IS_TABLE (e_table), -1);

    g_object_get (
        e_table->selection,
        "cursor_row", &row,
        NULL);
    return row;
}

/**
 * e_table_selected_row_foreach:
 * @e_table: The #ETable to act on
 * @callback: The callback function to call
 * @closure: The value passed to the callback's closure argument
 *
 * Calls the given @callback function once for every selected row.
 *
 * If you change the selection or delete or add rows to the table
 * during these callbacks, problems can occur.  A standard thing to do
 * is to create a list of rows or objects the function is called upon
 * and then act upon that list. (In inverse order if it's rows.)
 **/
void
e_table_selected_row_foreach (ETable *e_table,
                              EForeachFunc callback,
                              gpointer closure)
{
    g_return_if_fail (E_IS_TABLE (e_table));

    e_selection_model_foreach (E_SELECTION_MODEL (e_table->selection),
                             callback,
                             closure);
}

/**
 * e_table_selected_count:
 * @e_table: The #ETable to query
 *
 * Counts the number of selected rows.
 *
 * Return value:
 * The number of rows selected.
 **/
gint
e_table_selected_count (ETable *e_table)
{
    g_return_val_if_fail (E_IS_TABLE (e_table), -1);

    return e_selection_model_selected_count (E_SELECTION_MODEL (e_table->selection));
}

/**
 * e_table_select_all:
 * @table: The #ETable to modify
 *
 * Selects all the rows in @table.
 **/
void
e_table_select_all (ETable *table)
{
    g_return_if_fail (E_IS_TABLE (table));

    e_selection_model_select_all (E_SELECTION_MODEL (table->selection));
}

/**
 * e_table_get_printable:
 * @e_table: #ETable to query
 *
 * Used for printing your #ETable.
 *
 * Return value:
 * The #EPrintable to print.
 **/
EPrintable *
e_table_get_printable (ETable *e_table)
{
    g_return_val_if_fail (E_IS_TABLE (e_table), NULL);

    return e_table_group_get_printable (e_table->group);
}

/**
 * e_table_right_click_up:
 * @table: The #ETable to modify.
 *
 * Call this function when you're done handling the right click if you
 * return TRUE from the "right_click" signal.
 **/
void
e_table_right_click_up (ETable *table)
{
    e_selection_model_right_click_up (E_SELECTION_MODEL (table->selection));
}

/**
 * e_table_commit_click_to_add:
 * @table: The #ETable to modify
 *
 * Commits the current values in the click to add to the table.
 **/
void
e_table_commit_click_to_add (ETable *table)
{
    et_eti_leave_edit (table);
    if (table->click_to_add)
        e_table_click_to_add_commit (
            E_TABLE_CLICK_TO_ADD (table->click_to_add));
}

static void
et_get_property (GObject *object,
                 guint property_id,
                 GValue *value,
                 GParamSpec *pspec)
{
    ETable *etable = E_TABLE (object);

    switch (property_id) {
    case PROP_MODEL:
        g_value_set_object (value, etable->model);
        break;
    case PROP_UNIFORM_ROW_HEIGHT:
        g_value_set_boolean (value, etable->uniform_row_height);
        break;
    case PROP_ALWAYS_SEARCH:
        g_value_set_boolean (value, etable->always_search);
        break;
    case PROP_USE_CLICK_TO_ADD:
        g_value_set_boolean (value, etable->use_click_to_add);
        break;
    case PROP_HADJUSTMENT:
        if (etable->table_canvas)
            g_object_get_property (
                G_OBJECT (etable->table_canvas),
                "hadjustment", value);
        else
            g_value_set_object (value, NULL);
        break;
    case PROP_VADJUSTMENT:
        if (etable->table_canvas)
            g_object_get_property (
                G_OBJECT (etable->table_canvas),
                "vadjustment", value);
        else
            g_value_set_object (value, NULL);
        break;
    case PROP_HSCROLL_POLICY:
        if (etable->table_canvas)
            g_object_get_property (
                G_OBJECT (etable->table_canvas),
                "hscroll-policy", value);
        else
            g_value_set_enum (value, 0);
        break;
    case PROP_VSCROLL_POLICY:
        if (etable->table_canvas)
            g_object_get_property (
                G_OBJECT (etable->table_canvas),
                "vscroll-policy", value);
        else
            g_value_set_enum (value, 0);
        break;
    case PROP_IS_EDITING:
        g_value_set_boolean (value, e_table_is_editing (etable));
        break;
    default:
        break;
    }
}

typedef struct {
    gchar     *arg;
    gboolean  setting;
} bool_closure;

static void
et_set_property (GObject *object,
                 guint property_id,
                 const GValue *value,
                 GParamSpec *pspec)
{
    ETable *etable = E_TABLE (object);

    switch (property_id) {
    case PROP_LENGTH_THRESHOLD:
        etable->length_threshold = g_value_get_int (value);
        if (etable->group) {
            gnome_canvas_item_set (
                GNOME_CANVAS_ITEM (etable->group),
                "length_threshold",
                etable->length_threshold,
                NULL);
        }
        break;
    case PROP_UNIFORM_ROW_HEIGHT:
        etable->uniform_row_height = g_value_get_boolean (value);
        if (etable->group) {
            gnome_canvas_item_set (
                GNOME_CANVAS_ITEM (etable->group),
                "uniform_row_height",
                etable->uniform_row_height,
                NULL);
        }
        break;
    case PROP_ALWAYS_SEARCH:
        if (etable->always_search == g_value_get_boolean (value))
            return;

        etable->always_search = g_value_get_boolean (value);
        clear_current_search_col (etable);
        break;
    case PROP_USE_CLICK_TO_ADD:
        if (etable->use_click_to_add == g_value_get_boolean (value))
            return;

        etable->use_click_to_add = g_value_get_boolean (value);
        clear_current_search_col (etable);

        if (etable->use_click_to_add) {
            etable->click_to_add = gnome_canvas_item_new (
                GNOME_CANVAS_GROUP (etable->canvas_vbox),
                e_table_click_to_add_get_type (),
                "header", etable->header,
                "model", etable->model,
                "message", etable->click_to_add_message,
                NULL);

            if (etable->use_click_to_add_end)
                e_canvas_vbox_add_item (
                    E_CANVAS_VBOX (etable->canvas_vbox),
                    etable->click_to_add);
            else
                e_canvas_vbox_add_item_start (
                    E_CANVAS_VBOX (etable->canvas_vbox),
                    etable->click_to_add);

            g_signal_connect (
                etable->click_to_add, "event",
                G_CALLBACK (click_to_add_event), etable);
            g_signal_connect (
                etable->click_to_add, "cursor_change",
                G_CALLBACK (click_to_add_cursor_change),
                etable);
            g_signal_connect (
                etable->click_to_add, "notify::is-editing",
                G_CALLBACK (click_to_add_is_editing_changed_cb), etable);
        } else {
            g_object_run_dispose (G_OBJECT (etable->click_to_add));
            etable->click_to_add = NULL;
        }
        break;
    case PROP_HADJUSTMENT:
        if (etable->table_canvas)
            g_object_set_property (
                G_OBJECT (etable->table_canvas),
                "hadjustment", value);
        break;
    case PROP_VADJUSTMENT:
        if (etable->table_canvas)
            g_object_set_property (
                G_OBJECT (etable->table_canvas),
                "vadjustment", value);
        break;
    case PROP_HSCROLL_POLICY:
        if (etable->table_canvas)
            g_object_set_property (
                G_OBJECT (etable->table_canvas),
                "hscroll-policy", value);
        break;
    case PROP_VSCROLL_POLICY:
        if (etable->table_canvas)
            g_object_set_property (
                G_OBJECT (etable->table_canvas),
                "vscroll-policy", value);
        break;
    }
}

/**
 * e_table_get_next_row:
 * @e_table: The #ETable to query
 * @model_row: The model row to go from
 *
 * This function is used when your table is sorted, but you're using
 * model row numbers.  It returns the next row in sorted order as a model row.
 *
 * Return value:
 * The model row number.
 **/
gint
e_table_get_next_row (ETable *e_table,
                      gint model_row)
{
    g_return_val_if_fail (E_IS_TABLE (e_table), -1);

    if (e_table->sorter) {
        gint i;
        i = e_sorter_model_to_sorted (E_SORTER (e_table->sorter), model_row);
        i++;
        if (i < e_table_model_row_count (e_table->model)) {
            return e_sorter_sorted_to_model (E_SORTER (e_table->sorter), i);
        } else
            return -1;
    } else
        if (model_row < e_table_model_row_count (e_table->model) - 1)
            return model_row + 1;
        else
            return -1;
}

/**
 * e_table_get_prev_row:
 * @e_table: The #ETable to query
 * @model_row: The model row to go from
 *
 * This function is used when your table is sorted, but you're using
 * model row numbers.  It returns the previous row in sorted order as
 * a model row.
 *
 * Return value:
 * The model row number.
 **/
gint
e_table_get_prev_row (ETable *e_table,
                      gint model_row)
{
    g_return_val_if_fail (E_IS_TABLE (e_table), -1);

    if (e_table->sorter) {
        gint i;
        i = e_sorter_model_to_sorted (E_SORTER (e_table->sorter), model_row);
        i--;
        if (i >= 0)
            return e_sorter_sorted_to_model (E_SORTER (e_table->sorter), i);
        else
            return -1;
    } else
        return model_row - 1;
}

/**
 * e_table_model_to_view_row:
 * @e_table: The #ETable to query
 * @model_row: The model row number
 *
 * Turns a model row into a view row.
 *
 * Return value:
 * The view row number.
 **/
gint
e_table_model_to_view_row (ETable *e_table,
                           gint model_row)
{
    g_return_val_if_fail (E_IS_TABLE (e_table), -1);

    if (e_table->sorter)
        return e_sorter_model_to_sorted (E_SORTER (e_table->sorter), model_row);
    else
        return model_row;
}

/**
 * e_table_view_to_model_row:
 * @e_table: The #ETable to query
 * @view_row: The view row number
 *
 * Turns a view row into a model row.
 *
 * Return value:
 * The model row number.
 **/
gint
e_table_view_to_model_row (ETable *e_table,
                           gint view_row)
{
    g_return_val_if_fail (E_IS_TABLE (e_table), -1);

    if (e_table->sorter)
        return e_sorter_sorted_to_model (E_SORTER (e_table->sorter), view_row);
    else
        return view_row;
}

/**
 * e_table_get_cell_at:
 * @table: An #ETable widget
 * @x: X coordinate for the pixel
 * @y: Y coordinate for the pixel
 * @row_return: Pointer to return the row value
 * @col_return: Pointer to return the column value
 *
 * Return the row and column for the cell in which the pixel at (@x, @y) is
 * contained.
 **/
void
e_table_get_cell_at (ETable *table,
                     gint x,
                     gint y,
                     gint *row_return,
                     gint *col_return)
{
    GtkAdjustment *adjustment;
    GtkScrollable *scrollable;

    g_return_if_fail (E_IS_TABLE (table));
    g_return_if_fail (row_return != NULL);
    g_return_if_fail (col_return != NULL);

    /* FIXME it would be nice if it could handle a NULL row_return or
     * col_return gracefully.  */

    scrollable = GTK_SCROLLABLE (table->table_canvas);

    adjustment = gtk_scrollable_get_hadjustment (scrollable);
    x += gtk_adjustment_get_value (adjustment);

    adjustment = gtk_scrollable_get_vadjustment (scrollable);
    y += gtk_adjustment_get_value (adjustment);

    e_table_group_compute_location (
        table->group, &x, &y, row_return, col_return);
}

/**
 * e_table_get_cell_geometry:
 * @table: The #ETable.
 * @row: The row to get the geometry of.
 * @col: The col to get the geometry of.
 * @x_return: Returns the x coordinate of the upper left hand corner
 *            of the cell with respect to the widget.
 * @y_return: Returns the y coordinate of the upper left hand corner
 *            of the cell with respect to the widget.
 * @width_return: Returns the width of the cell.
 * @height_return: Returns the height of the cell.
 *
 * Returns the x, y, width, and height of the given cell.  These can
 * all be #NULL and they just won't be set.
 **/
void
e_table_get_cell_geometry (ETable *table,
                           gint row,
                           gint col,
                           gint *x_return,
                           gint *y_return,
                           gint *width_return,
                           gint *height_return)
{
    GtkAllocation allocation;
    GtkAdjustment *adjustment;
    GtkScrollable *scrollable;

    g_return_if_fail (E_IS_TABLE (table));

    scrollable = GTK_SCROLLABLE (table->table_canvas);

    e_table_group_get_cell_geometry (
        table->group, &row, &col, x_return, y_return,
        width_return, height_return);

    if (x_return && table->table_canvas) {
        adjustment = gtk_scrollable_get_hadjustment (scrollable);
        (*x_return) -= gtk_adjustment_get_value (adjustment);
    }

    if (y_return) {
        if (table->table_canvas) {
            adjustment = gtk_scrollable_get_vadjustment (scrollable);
            (*y_return) -= gtk_adjustment_get_value (adjustment);
        }

        if (table->header_canvas) {
            gtk_widget_get_allocation (
                GTK_WIDGET (table->header_canvas),
                &allocation);
            (*y_return) += allocation.height;
        }
    }
}

/**
 * e_table_get_mouse_over_cell:
 *
 * Similar to e_table_get_cell_at, only here we check
 * based on the mouse motion information in the group.
 **/
void
e_table_get_mouse_over_cell (ETable *table,
                             gint *row,
                             gint *col)
{
    g_return_if_fail (E_IS_TABLE (table));

    if (!table->group)
        return;

    e_table_group_get_mouse_over (table->group, row, col);
}

/**
 * e_table_get_selection_model:
 * @table: The #ETable to query
 *
 * Returns the table's #ESelectionModel in case you want to access it
 * directly.
 *
 * Return value:
 * The #ESelectionModel.
 **/
ESelectionModel *
e_table_get_selection_model (ETable *table)
{
    g_return_val_if_fail (E_IS_TABLE (table), NULL);

    return E_SELECTION_MODEL (table->selection);
}

struct _ETableDragSourceSite
{
    GdkModifierType    start_button_mask;
    GtkTargetList     *target_list;        /* Targets for drag data */
    GdkDragAction      actions;            /* Possible actions */
    GdkPixbuf         *pixbuf;             /* Icon for drag data */

    /* Stored button press information to detect drag beginning */
    gint               state;
    gint               x, y;
    gint               row, col;
};

typedef enum
{
  GTK_DRAG_STATUS_DRAG,
  GTK_DRAG_STATUS_WAIT,
  GTK_DRAG_STATUS_DROP
} GtkDragStatus;

typedef struct _GtkDragDestInfo GtkDragDestInfo;
typedef struct _GtkDragSourceInfo GtkDragSourceInfo;

struct _GtkDragDestInfo
{
  GtkWidget         *widget;       /* Widget in which drag is in */
  GdkDragContext    *context;      /* Drag context */
  GtkDragSourceInfo *proxy_source; /* Set if this is a proxy drag */
  GtkSelectionData  *proxy_data;   /* Set while retrieving proxied data */
  guint              dropped : 1;     /* Set after we receive a drop */
  guint32            proxy_drop_time; /* Timestamp for proxied drop */
  guint              proxy_drop_wait : 1; /* Set if we are waiting for a
                       * status reply before sending
                       * a proxied drop on.
                       */
  gint               drop_x, drop_y; /* Position of drop */
};

struct _GtkDragSourceInfo
{
  GtkWidget         *widget;
  GtkTargetList     *target_list; /* Targets for drag data */
  GdkDragAction      possible_actions; /* Actions allowed by source */
  GdkDragContext    *context;     /* drag context */
  GtkWidget         *icon_window; /* Window for drag */
  GtkWidget         *ipc_widget;  /* GtkInvisible for grab, message passing */
  GdkCursor         *cursor;      /* Cursor for drag */
  gint hot_x, hot_y;          /* Hot spot for drag */
  gint button;            /* mouse button starting drag */

  GtkDragStatus      status;      /* drag status */
  GdkEvent          *last_event;  /* motion event waiting for response */

  gint               start_x, start_y; /* Initial position */
  gint               cur_x, cur_y;     /* Current Position */

  GList             *selections;  /* selections we've claimed */

  GtkDragDestInfo   *proxy_dest;  /* Set if this is a proxy drag */

  guint              drop_timeout;     /* Timeout for aborting drop */
  guint              destroy_icon : 1; /* If true, destroy icon_window
                    */
};

/* Drag & drop stuff. */
/* Target */

/**
 * e_table_drag_get_data:
 * @table:
 * @row:
 * @col:
 * @context:
 * @target:
 * @time:
 *
 *
 **/
void
e_table_drag_get_data (ETable *table,
                       gint row,
                       gint col,
                       GdkDragContext *context,
                       GdkAtom target,
                       guint32 time)
{
    g_return_if_fail (E_IS_TABLE (table));

    gtk_drag_get_data (
        GTK_WIDGET (table),
        context,
        target,
        time);
}

/**
 * e_table_drag_highlight:
 * @table: The #ETable to highlight
 * @row: The row number of the cell to highlight
 * @col: The column number of the cell to highlight
 *
 * Set col to -1 to highlight the entire row.  If row is -1, this is
 * identical to e_table_drag_unhighlight().
 **/
void
e_table_drag_highlight (ETable *table,
                        gint row,
                        gint col)
{
    GtkAllocation allocation;
    GtkAdjustment *adjustment;
    GtkScrollable *scrollable;
    GtkStyle *style;

    g_return_if_fail (E_IS_TABLE (table));

    scrollable = GTK_SCROLLABLE (table->table_canvas);
    style = gtk_widget_get_style (GTK_WIDGET (table));
    gtk_widget_get_allocation (GTK_WIDGET (scrollable), &allocation);

    if (row != -1) {
        gint x, y, width, height;
        if (col == -1) {
            e_table_get_cell_geometry (table, row, 0, &x, &y, &width, &height);
            x = 0;
            width = allocation.width;
        } else {
            e_table_get_cell_geometry (table, row, col, &x, &y, &width, &height);
            adjustment = gtk_scrollable_get_hadjustment (scrollable);
            x += gtk_adjustment_get_value (adjustment);
        }

        adjustment = gtk_scrollable_get_vadjustment (scrollable);
        y += gtk_adjustment_get_value (adjustment);

        if (table->drop_highlight == NULL) {
            table->drop_highlight = gnome_canvas_item_new (
                gnome_canvas_root (table->table_canvas),
                gnome_canvas_rect_get_type (),
                "fill_color", NULL,
                "outline_color_gdk", &style->fg[GTK_STATE_NORMAL],
                NULL);
        }
        gnome_canvas_item_set (
            table->drop_highlight,
            "x1", (gdouble) x,
            "x2", (gdouble) x + width - 1,
            "y1", (gdouble) y,
            "y2", (gdouble) y + height - 1,
            NULL);
    } else {
        if (table->drop_highlight) {
            g_object_run_dispose (G_OBJECT (table->drop_highlight));
            table->drop_highlight = NULL;
        }
    }
}

/**
 * e_table_drag_unhighlight:
 * @table: The #ETable to unhighlight
 *
 * Removes the highlight from an #ETable.
 **/
void
e_table_drag_unhighlight (ETable *table)
{
    g_return_if_fail (E_IS_TABLE (table));

    if (table->drop_highlight) {
        g_object_run_dispose (G_OBJECT (table->drop_highlight));
        table->drop_highlight = NULL;
    }
}

void
e_table_drag_dest_set (ETable *table,
                       GtkDestDefaults flags,
                       const GtkTargetEntry *targets,
                       gint n_targets,
                       GdkDragAction actions)
{
    g_return_if_fail (E_IS_TABLE (table));

    gtk_drag_dest_set (
        GTK_WIDGET (table), flags, targets, n_targets, actions);
}

void
e_table_drag_dest_set_proxy (ETable *table,
                             GdkWindow *proxy_window,
                             GdkDragProtocol protocol,
                             gboolean use_coordinates)
{
    g_return_if_fail (E_IS_TABLE (table));

    gtk_drag_dest_set_proxy (
        GTK_WIDGET (table), proxy_window, protocol, use_coordinates);
}

/*
 * There probably should be functions for setting the targets
 * as a GtkTargetList
 */

void
e_table_drag_dest_unset (GtkWidget *widget)
{
    g_return_if_fail (E_IS_TABLE (widget));

    gtk_drag_dest_unset (widget);
}

/* Source side */

static gint
et_real_start_drag (ETable *table,
                    gint row,
                    gint col,
                    GdkEvent *event)
{
    GtkDragSourceInfo *info;
    GdkDragContext *context;
    ETableDragSourceSite *site;

    if (table->do_drag) {
        site = table->site;

        site->state = 0;
        context = e_table_drag_begin (
            table, row, col,
            site->target_list,
            site->actions,
            1, event);

        if (context) {
            info = g_dataset_get_data (context, "gtk-info");

            if (info && !info->icon_window) {
                if (site->pixbuf)
                    gtk_drag_set_icon_pixbuf (
                        context,
                        site->pixbuf,
                        -2, -2);
                else
                    gtk_drag_set_icon_default (context);
            }
        }
        return TRUE;
    }
    return FALSE;
}

/**
 * e_table_drag_source_set:
 * @table: The #ETable to set up as a drag site
 * @start_button_mask: Mask of allowed buttons to start drag
 * @targets: Table of targets for this source
 * @n_targets: Number of targets in @targets
 * @actions: Actions allowed for this source
 *
 * Registers this table as a drag site, and possibly adds default behaviors.
 **/
void
e_table_drag_source_set (ETable *table,
                         GdkModifierType start_button_mask,
                         const GtkTargetEntry *targets,
                         gint n_targets,
                         GdkDragAction actions)
{
    ETableDragSourceSite *site;
    GtkWidget *canvas;

    g_return_if_fail (E_IS_TABLE (table));

    canvas = GTK_WIDGET (table->table_canvas);
    site = table->site;

    gtk_widget_add_events (
        canvas,
        gtk_widget_get_events (canvas) |
        GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
        GDK_BUTTON_MOTION_MASK | GDK_STRUCTURE_MASK);

    table->do_drag = TRUE;

    if (site) {
        if (site->target_list)
            gtk_target_list_unref (site->target_list);
    } else {
        site = g_new0 (ETableDragSourceSite, 1);
        table->site = site;
    }

    site->start_button_mask = start_button_mask;

    if (targets)
        site->target_list = gtk_target_list_new (targets, n_targets);
    else
        site->target_list = NULL;

    site->actions = actions;
}

/**
 * e_table_drag_source_unset:
 * @table: The #ETable to un set up as a drag site
 *
 * Unregisters this #ETable as a drag site.
 **/
void
e_table_drag_source_unset (ETable *table)
{
    ETableDragSourceSite *site;

    g_return_if_fail (E_IS_TABLE (table));

    site = table->site;

    if (site) {
        if (site->target_list)
            gtk_target_list_unref (site->target_list);
        g_free (site);
        table->site = NULL;
    }
    table->do_drag = FALSE;
}

/* There probably should be functions for setting the targets
 * as a GtkTargetList
 */

/**
 * e_table_drag_begin:
 * @table: The #ETable to drag from
 * @row: The row number of the cell
 * @col: The col number of the cell
 * @targets: The list of targets supported by the drag
 * @actions: The available actions supported by the drag
 * @button: The button held down for the drag
 * @event: The event that initiated the drag
 *
 * Start a drag from this cell.
 *
 * Return value:
 * The drag context.
 **/
GdkDragContext *
e_table_drag_begin (ETable *table,
                    gint row,
                    gint col,
                    GtkTargetList *targets,
                    GdkDragAction actions,
                    gint button,
                    GdkEvent *event)
{
    g_return_val_if_fail (E_IS_TABLE (table), NULL);

    table->drag_row = row;
    table->drag_col = col;

    return gtk_drag_begin (
        GTK_WIDGET (table), targets, actions, button, event);
}

static void
et_drag_begin (GtkWidget *widget,
               GdkDragContext *context,
               ETable *et)
{
    g_signal_emit (
        et, et_signals[TABLE_DRAG_BEGIN], 0,
        et->drag_row, et->drag_col, context);
}

static void
et_drag_end (GtkWidget *widget,
             GdkDragContext *context,
             ETable *et)
{
    g_signal_emit (
        et, et_signals[TABLE_DRAG_END], 0,
        et->drag_row, et->drag_col, context);
}

static void
et_drag_data_get (GtkWidget *widget,
                  GdkDragContext *context,
                  GtkSelectionData *selection_data,
                  guint info,
                  guint time,
                  ETable *et)
{
    g_signal_emit (
        et, et_signals[TABLE_DRAG_DATA_GET], 0,
        et->drag_row, et->drag_col, context, selection_data,
        info, time);
}

static void
et_drag_data_delete (GtkWidget *widget,
                     GdkDragContext *context,
                     ETable *et)
{
    g_signal_emit (
        et, et_signals[TABLE_DRAG_DATA_DELETE], 0,
        et->drag_row, et->drag_col, context);
}

static gboolean
do_drag_motion (ETable *et,
                GdkDragContext *context,
                gint x,
                gint y,
                guint time)
{
    gboolean ret_val;
    gint row = -1, col = -1;

    e_table_get_cell_at (et, x, y, &row, &col);

    if (row != et->drop_row && col != et->drop_row) {
        g_signal_emit (
            et, et_signals[TABLE_DRAG_LEAVE], 0,
            et->drop_row, et->drop_col, context, time);
    }

    et->drop_row = row;
    et->drop_col = col;

    g_signal_emit (
        et, et_signals[TABLE_DRAG_MOTION], 0,
        et->drop_row, et->drop_col, context, x, y, time, &ret_val);

    return ret_val;
}

static gboolean
scroll_timeout (gpointer data)
{
    ETable *et = data;
    gint dx = 0, dy = 0;
    GtkAdjustment *adjustment;
    GtkScrollable *scrollable;
    gdouble old_h_value;
    gdouble new_h_value;
    gdouble old_v_value;
    gdouble new_v_value;
    gdouble page_size;
    gdouble lower;
    gdouble upper;

    if (et->scroll_direction & ET_SCROLL_DOWN)
        dy += 20;
    if (et->scroll_direction & ET_SCROLL_UP)
        dy -= 20;

    if (et->scroll_direction & ET_SCROLL_RIGHT)
        dx += 20;
    if (et->scroll_direction & ET_SCROLL_LEFT)
        dx -= 20;

    scrollable = GTK_SCROLLABLE (et->table_canvas);

    adjustment = gtk_scrollable_get_hadjustment (scrollable);

    lower = gtk_adjustment_get_lower (adjustment);
    upper = gtk_adjustment_get_upper (adjustment);
    page_size = gtk_adjustment_get_page_size (adjustment);

    old_h_value = gtk_adjustment_get_value (adjustment);
    new_h_value = CLAMP (old_h_value + dx, lower, upper - page_size);

    gtk_adjustment_set_value (adjustment, new_h_value);

    adjustment = gtk_scrollable_get_vadjustment (scrollable);

    lower = gtk_adjustment_get_lower (adjustment);
    upper = gtk_adjustment_get_upper (adjustment);
    page_size = gtk_adjustment_get_page_size (adjustment);

    old_v_value = gtk_adjustment_get_value (adjustment);
    new_v_value = CLAMP (old_v_value + dy, lower, upper - page_size);

    gtk_adjustment_set_value (adjustment, new_v_value);

    if (new_h_value != old_h_value || new_v_value != old_v_value)
        do_drag_motion (
            et,
            et->last_drop_context,
            et->last_drop_x,
            et->last_drop_y,
            et->last_drop_time);

    return TRUE;
}

static void
scroll_on (ETable *et,
           guint scroll_direction)
{
    if (et->scroll_idle_id == 0 || scroll_direction != et->scroll_direction) {
        if (et->scroll_idle_id != 0)
            g_source_remove (et->scroll_idle_id);
        et->scroll_direction = scroll_direction;
        et->scroll_idle_id = g_timeout_add (100, scroll_timeout, et);
    }
}

static void
scroll_off (ETable *et)
{
    if (et->scroll_idle_id) {
        g_source_remove (et->scroll_idle_id);
        et->scroll_idle_id = 0;
    }
}

static void
context_destroyed (gpointer data)
{
    ETable *et = data;
    /* if (!G_OBJECT_DESTROYED (et)) */
/* FIXME: */
    {
        et->last_drop_x       = 0;
        et->last_drop_y       = 0;
        et->last_drop_time    = 0;
        et->last_drop_context = NULL;
        scroll_off (et);
    }
    g_object_unref (et);
}

static void
context_connect (ETable *et,
                 GdkDragContext *context)
{
    if (g_dataset_get_data (context, "e-table") == NULL) {
        g_object_ref (et);
        g_dataset_set_data_full (context, "e-table", et, context_destroyed);
    }
}

static void
et_drag_leave (GtkWidget *widget,
               GdkDragContext *context,
               guint time,
               ETable *et)
{
    g_signal_emit (
        et, et_signals[TABLE_DRAG_LEAVE], 0,
        et->drop_row, et->drop_col, context, time);

    et->drop_row = -1;
    et->drop_col = -1;

    scroll_off (et);
}

static gboolean
et_drag_motion (GtkWidget *widget,
                GdkDragContext *context,
                gint x,
                gint y,
                guint time,
                ETable *et)
{
    GtkAllocation allocation;
    gboolean ret_val;
    guint direction = 0;

    gtk_widget_get_allocation (widget, &allocation);

    et->last_drop_x = x;
    et->last_drop_y = y;
    et->last_drop_time = time;
    et->last_drop_context = context;
    context_connect (et, context);

    ret_val = do_drag_motion (et, context, x, y, time);

    if (y < 20)
        direction |= ET_SCROLL_UP;
    if (y > allocation.height - 20)
        direction |= ET_SCROLL_DOWN;
    if (x < 20)
        direction |= ET_SCROLL_LEFT;
    if (x > allocation.width - 20)
        direction |= ET_SCROLL_RIGHT;

    if (direction != 0)
        scroll_on (et, direction);
    else
        scroll_off (et);

    return ret_val;
}

static gboolean
et_drag_drop (GtkWidget *widget,
              GdkDragContext *context,
              gint x,
              gint y,
              guint time,
              ETable *et)
{
    gboolean ret_val;
    gint row, col;

    e_table_get_cell_at (et, x, y, &row, &col);

    if (row != et->drop_row && col != et->drop_row) {
        g_signal_emit (
            et, et_signals[TABLE_DRAG_LEAVE], 0,
            et->drop_row, et->drop_col, context, time);
        g_signal_emit (
            et, et_signals[TABLE_DRAG_MOTION], 0,
            row, col, context, x, y, time, &ret_val);
    }
    et->drop_row = row;
    et->drop_col = col;
    g_signal_emit (
        et, et_signals[TABLE_DRAG_DROP], 0,
        et->drop_row, et->drop_col, context, x, y, time, &ret_val);
    et->drop_row = -1;
    et->drop_col = -1;

    scroll_off (et);

    return ret_val;
}

static void
et_drag_data_received (GtkWidget *widget,
                       GdkDragContext *context,
                       gint x,
                       gint y,
                       GtkSelectionData *selection_data,
                       guint info,
                       guint time,
                       ETable *et)
{
    gint row, col;

    e_table_get_cell_at (et, x, y, &row, &col);

    g_signal_emit (
        et, et_signals[TABLE_DRAG_DATA_RECEIVED], 0,
        row, col, context, x, y, selection_data, info, time);
}

static void
e_table_class_init (ETableClass *class)
{
    GObjectClass *object_class;
    GtkWidgetClass *widget_class;

    object_class                    = (GObjectClass *) class;
    widget_class                    = (GtkWidgetClass *) class;

    object_class->dispose           = et_dispose;
    object_class->finalize          = et_finalize;
    object_class->set_property      = et_set_property;
    object_class->get_property      = et_get_property;

    widget_class->grab_focus        = et_grab_focus;
    widget_class->unrealize         = et_unrealize;
    widget_class->get_preferred_width = et_get_preferred_width;
    widget_class->get_preferred_height = et_get_preferred_height;

    widget_class->focus             = et_focus;

    class->cursor_change            = NULL;
    class->cursor_activated         = NULL;
    class->selection_change         = NULL;
    class->double_click             = NULL;
    class->right_click              = NULL;
    class->click                    = NULL;
    class->key_press                = NULL;
    class->start_drag               = et_real_start_drag;
    class->state_change             = NULL;
    class->white_space_event        = NULL;

    class->table_drag_begin         = NULL;
    class->table_drag_end           = NULL;
    class->table_drag_data_get      = NULL;
    class->table_drag_data_delete   = NULL;

    class->table_drag_leave         = NULL;
    class->table_drag_motion        = NULL;
    class->table_drag_drop          = NULL;
    class->table_drag_data_received = NULL;

    et_signals[CURSOR_CHANGE] = g_signal_new (
        "cursor_change",
        G_OBJECT_CLASS_TYPE (object_class),
        G_SIGNAL_RUN_LAST,
        G_STRUCT_OFFSET (ETableClass, cursor_change),
        NULL, NULL,
        g_cclosure_marshal_VOID__INT,
        G_TYPE_NONE, 1, G_TYPE_INT);

    et_signals[CURSOR_ACTIVATED] = g_signal_new (
        "cursor_activated",
        G_OBJECT_CLASS_TYPE (object_class),
        G_SIGNAL_RUN_LAST,
        G_STRUCT_OFFSET (ETableClass, cursor_activated),
        NULL, NULL,
        g_cclosure_marshal_VOID__INT,
        G_TYPE_NONE, 1, G_TYPE_INT);

    et_signals[SELECTION_CHANGE] = g_signal_new (
        "selection_change",
        G_OBJECT_CLASS_TYPE (object_class),
        G_SIGNAL_RUN_LAST,
        G_STRUCT_OFFSET (ETableClass, selection_change),
        NULL, NULL,
        g_cclosure_marshal_VOID__VOID,
        G_TYPE_NONE, 0);

    et_signals[DOUBLE_CLICK] = g_signal_new (
        "double_click",
        G_OBJECT_CLASS_TYPE (object_class),
        G_SIGNAL_RUN_LAST,
        G_STRUCT_OFFSET (ETableClass, double_click),
        NULL, NULL,
        e_marshal_NONE__INT_INT_BOXED,
        G_TYPE_NONE, 3,
        G_TYPE_INT,
        G_TYPE_INT,
        GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);

    et_signals[RIGHT_CLICK] = g_signal_new (
        "right_click",
        G_OBJECT_CLASS_TYPE (object_class),
        G_SIGNAL_RUN_LAST,
        G_STRUCT_OFFSET (ETableClass, right_click),
        g_signal_accumulator_true_handled, NULL,
        e_marshal_BOOLEAN__INT_INT_BOXED,
        G_TYPE_BOOLEAN, 3,
        G_TYPE_INT,
        G_TYPE_INT,
        GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);

    et_signals[CLICK] = g_signal_new (
        "click",
        G_OBJECT_CLASS_TYPE (object_class),
        G_SIGNAL_RUN_LAST,
        G_STRUCT_OFFSET (ETableClass, click),
        g_signal_accumulator_true_handled, NULL,
        e_marshal_BOOLEAN__INT_INT_BOXED,
        G_TYPE_BOOLEAN, 3,
        G_TYPE_INT,
        G_TYPE_INT,
        GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);

    et_signals[KEY_PRESS] = g_signal_new (
        "key_press",
        G_OBJECT_CLASS_TYPE (object_class),
        G_SIGNAL_RUN_LAST,
        G_STRUCT_OFFSET (ETableClass, key_press),
        g_signal_accumulator_true_handled, NULL,
        e_marshal_BOOLEAN__INT_INT_BOXED,
        G_TYPE_BOOLEAN, 3,
        G_TYPE_INT,
        G_TYPE_INT,
        GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);

    et_signals[START_DRAG] = g_signal_new (
        "start_drag",
        G_OBJECT_CLASS_TYPE (object_class),
        G_SIGNAL_RUN_LAST,
        G_STRUCT_OFFSET (ETableClass, start_drag),
        g_signal_accumulator_true_handled, NULL,
        e_marshal_BOOLEAN__INT_INT_BOXED,
        G_TYPE_BOOLEAN, 3,
        G_TYPE_INT,
        G_TYPE_INT,
        GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);

    et_signals[STATE_CHANGE] = g_signal_new (
        "state_change",
        G_OBJECT_CLASS_TYPE (object_class),
        G_SIGNAL_RUN_LAST,
        G_STRUCT_OFFSET (ETableClass, state_change),
        NULL, NULL,
        g_cclosure_marshal_VOID__VOID,
        G_TYPE_NONE, 0);

    et_signals[WHITE_SPACE_EVENT] = g_signal_new (
        "white_space_event",
        G_OBJECT_CLASS_TYPE (object_class),
        G_SIGNAL_RUN_LAST,
        G_STRUCT_OFFSET (ETableClass, white_space_event),
        g_signal_accumulator_true_handled, NULL,
        e_marshal_BOOLEAN__BOXED,
        G_TYPE_BOOLEAN, 1,
        GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);

    et_signals[TABLE_DRAG_BEGIN] = g_signal_new (
        "table_drag_begin",
        G_OBJECT_CLASS_TYPE (object_class),
        G_SIGNAL_RUN_LAST,
        G_STRUCT_OFFSET (ETableClass, table_drag_begin),
        NULL, NULL,
        e_marshal_NONE__INT_INT_OBJECT,
        G_TYPE_NONE, 3,
        G_TYPE_INT,
        G_TYPE_INT,
        GDK_TYPE_DRAG_CONTEXT);

    et_signals[TABLE_DRAG_END] = g_signal_new (
        "table_drag_end",
        G_OBJECT_CLASS_TYPE (object_class),
        G_SIGNAL_RUN_LAST,
        G_STRUCT_OFFSET (ETableClass, table_drag_end),
        NULL, NULL,
        e_marshal_NONE__INT_INT_OBJECT,
        G_TYPE_NONE, 3,
        G_TYPE_INT,
        G_TYPE_INT,
        GDK_TYPE_DRAG_CONTEXT);

    et_signals[TABLE_DRAG_DATA_GET] = g_signal_new (
        "table_drag_data_get",
        G_OBJECT_CLASS_TYPE (object_class),
        G_SIGNAL_RUN_LAST,
        G_STRUCT_OFFSET (ETableClass, table_drag_data_get),
        NULL, NULL,
        e_marshal_NONE__INT_INT_OBJECT_BOXED_UINT_UINT,
        G_TYPE_NONE, 6,
        G_TYPE_INT,
        G_TYPE_INT,
        GDK_TYPE_DRAG_CONTEXT,
        GTK_TYPE_SELECTION_DATA | G_SIGNAL_TYPE_STATIC_SCOPE,
        G_TYPE_UINT,
        G_TYPE_UINT);

    et_signals[TABLE_DRAG_DATA_DELETE] = g_signal_new (
        "table_drag_data_delete",
        G_OBJECT_CLASS_TYPE (object_class),
        G_SIGNAL_RUN_LAST,
        G_STRUCT_OFFSET (ETableClass, table_drag_data_delete),
        NULL, NULL,
        e_marshal_NONE__INT_INT_OBJECT,
        G_TYPE_NONE, 3,
        G_TYPE_INT,
        G_TYPE_INT,
        GDK_TYPE_DRAG_CONTEXT);

    et_signals[TABLE_DRAG_LEAVE] = g_signal_new (
        "table_drag_leave",
        G_OBJECT_CLASS_TYPE (object_class),
        G_SIGNAL_RUN_LAST,
        G_STRUCT_OFFSET (ETableClass, table_drag_leave),
        NULL, NULL,
        e_marshal_NONE__INT_INT_OBJECT_UINT,
        G_TYPE_NONE, 4,
        G_TYPE_INT,
        G_TYPE_INT,
        GDK_TYPE_DRAG_CONTEXT,
        G_TYPE_UINT);

    et_signals[TABLE_DRAG_MOTION] = g_signal_new (
        "table_drag_motion",
        G_OBJECT_CLASS_TYPE (object_class),
        G_SIGNAL_RUN_LAST,
        G_STRUCT_OFFSET (ETableClass, table_drag_motion),
        NULL, NULL,
        e_marshal_BOOLEAN__INT_INT_OBJECT_INT_INT_UINT,
        G_TYPE_BOOLEAN, 6,
        G_TYPE_INT,
        G_TYPE_INT,
        GDK_TYPE_DRAG_CONTEXT,
        G_TYPE_INT,
        G_TYPE_INT,
        G_TYPE_UINT);

    et_signals[TABLE_DRAG_DROP] = g_signal_new (
        "table_drag_drop",
        G_OBJECT_CLASS_TYPE (object_class),
        G_SIGNAL_RUN_LAST,
        G_STRUCT_OFFSET (ETableClass, table_drag_drop),
        NULL, NULL,
        e_marshal_BOOLEAN__INT_INT_OBJECT_INT_INT_UINT,
        G_TYPE_BOOLEAN, 6,
        G_TYPE_INT,
        G_TYPE_INT,
        GDK_TYPE_DRAG_CONTEXT,
        G_TYPE_INT,
        G_TYPE_INT,
        G_TYPE_UINT);

    et_signals[TABLE_DRAG_DATA_RECEIVED] = g_signal_new (
        "table_drag_data_received",
        G_OBJECT_CLASS_TYPE (object_class),
        G_SIGNAL_RUN_LAST,
        G_STRUCT_OFFSET (ETableClass, table_drag_data_received),
        NULL, NULL,
        e_marshal_NONE__INT_INT_OBJECT_INT_INT_BOXED_UINT_UINT,
        G_TYPE_NONE, 8,
        G_TYPE_INT,
        G_TYPE_INT,
        GDK_TYPE_DRAG_CONTEXT,
        G_TYPE_INT,
        G_TYPE_INT,
        GTK_TYPE_SELECTION_DATA | G_SIGNAL_TYPE_STATIC_SCOPE,
        G_TYPE_UINT,
        G_TYPE_UINT);

    g_object_class_install_property (
        object_class,
        PROP_LENGTH_THRESHOLD,
        g_param_spec_int (
            "length_threshold",
            "Length Threshold",
            NULL,
            0, G_MAXINT, 0,
            G_PARAM_WRITABLE));

    g_object_class_install_property (
        object_class,
        PROP_UNIFORM_ROW_HEIGHT,
        g_param_spec_boolean (
            "uniform_row_height",
            "Uniform row height",
            NULL,
            FALSE,
            G_PARAM_READWRITE));

    g_object_class_install_property (
        object_class,
        PROP_ALWAYS_SEARCH,
        g_param_spec_boolean (
            "always_search",
            "Always search",
            NULL,
            FALSE,
            G_PARAM_READWRITE));

    g_object_class_install_property (
        object_class,
        PROP_USE_CLICK_TO_ADD,
        g_param_spec_boolean (
            "use_click_to_add",
            "Use click to add",
            NULL,
            FALSE,
            G_PARAM_READWRITE));

    g_object_class_install_property (
        object_class,
        PROP_MODEL,
        g_param_spec_object (
            "model",
            "Model",
            NULL,
            E_TYPE_TABLE_MODEL,
            G_PARAM_READABLE));

    g_object_class_install_property (
        object_class,
        PROP_IS_EDITING,
        g_param_spec_boolean (
            "is-editing",
            "Whether is in an editing mode",
            "Whether is in an editing mode",
            FALSE,
            G_PARAM_READABLE));

    gtk_widget_class_install_style_property (
        widget_class,
        g_param_spec_int (
            "vertical-spacing",
            "Vertical Row Spacing",
            "Vertical space between rows. "
            "It is added to top and to bottom of a row",
            0, G_MAXINT, 3,
            G_PARAM_READABLE |
            G_PARAM_STATIC_STRINGS));

    /* Scrollable interface */
    g_object_class_override_property (
        object_class, PROP_HADJUSTMENT, "hadjustment");
    g_object_class_override_property (
        object_class, PROP_VADJUSTMENT, "vadjustment");
    g_object_class_override_property (
        object_class, PROP_HSCROLL_POLICY, "hscroll-policy");
    g_object_class_override_property (
        object_class, PROP_VSCROLL_POLICY, "vscroll-policy");

    gal_a11y_e_table_init ();
}

void
e_table_freeze_state_change (ETable *table)
{
    g_return_if_fail (table != NULL);

    table->state_change_freeze++;
    if (table->state_change_freeze == 1)
        table->state_changed = FALSE;

    g_return_if_fail (table->state_change_freeze != 0);
}

void
e_table_thaw_state_change (ETable *table)
{
    g_return_if_fail (table != NULL);
    g_return_if_fail (table->state_change_freeze != 0);

    table->state_change_freeze--;
    if (table->state_change_freeze == 0 && table->state_changed) {
        table->state_changed = FALSE;
        e_table_state_change (table);
    }
}

gboolean
e_table_is_editing (ETable *table)
{
    g_return_val_if_fail (E_IS_TABLE (table), FALSE);

    return (table->click_to_add && e_table_click_to_add_is_editing (E_TABLE_CLICK_TO_ADD (table->click_to_add))) ||
           (table->group && e_table_group_is_editing (table->group));
}