/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 * E-table.c: A graphical view of a Table.
 *
 * Author:
 *   Miguel de Icaza (miguel@ximian.com)
 *   Chris Lahey <clahey@ximian.com>
 *
 * Copyright 1999, 2000, 2001, Ximian, Inc
 */
#include <config.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdio.h>
#include <gdk/gdkkeysyms.h>
#include <gtk/gtksignal.h>
#include <libgnomeui/gnome-canvas.h>
#include <libgnomeui/gnome-canvas-rect-ellipse.h>

#include "gal/util/e-i18n.h"
#include "gal/util/e-util.h"
#include "gal/widgets/e-canvas.h"
#include "gal/widgets/e-canvas-vbox.h"
#include "gal/widgets/e-unicode.h"
#include "e-table.h"
#include "e-table-header-item.h"
#include "e-table-header-utils.h"
#include "e-table-subset.h"
#include "e-table-item.h"
#include "e-table-group.h"
#include "e-table-group-leaf.h"
#include "e-table-click-to-add.h"
#include "e-table-specification.h"
#include "e-table-state.h"
#include "e-table-column-specification.h"

#include "e-table-utils.h"

#define COLUMN_HEADER_HEIGHT 16

#define PARENT_TYPE gtk_table_get_type ()

#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

static GtkObjectClass *e_table_parent_class;

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

	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 {
	ARG_0,
	ARG_LENGTH_THRESHOLD,
	ARG_MODEL,
	ARG_UNIFORM_ROW_HEIGHT,
};

static gint 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 (GtkContainer *container, GtkDirectionType direction);

static void scroll_off (ETable *et);
static void scroll_on (ETable *et, gboolean down);

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

	if (et->table_model_change_id != 0)
		gtk_signal_disconnect (GTK_OBJECT (et->model),
				       et->table_model_change_id);
	if (et->table_row_change_id != 0)
		gtk_signal_disconnect (GTK_OBJECT (et->model),
				       et->table_row_change_id);
	if (et->table_cell_change_id != 0)
		gtk_signal_disconnect (GTK_OBJECT (et->model),
				       et->table_cell_change_id);
	if (et->table_rows_inserted_id != 0)
		gtk_signal_disconnect (GTK_OBJECT (et->model),
				       et->table_rows_inserted_id);
	if (et->table_rows_deleted_id != 0)
		gtk_signal_disconnect (GTK_OBJECT (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
et_destroy (GtkObject *object)
{
	ETable *et = E_TABLE (object);

	et_disconnect_model (et);

	if (et->group_info_change_id)
		gtk_signal_disconnect (GTK_OBJECT (et->sort_info),
				       et->group_info_change_id);
	
	if (et->reflow_idle_id)
		g_source_remove(et->reflow_idle_id);
	et->reflow_idle_id = 0;

	scroll_off (et);

	gtk_object_unref (GTK_OBJECT (et->model));
	gtk_object_unref (GTK_OBJECT (et->full_header));
	gtk_object_unref (GTK_OBJECT (et->header));
	gtk_object_unref (GTK_OBJECT (et->sort_info));
	gtk_object_unref (GTK_OBJECT (et->sorter));
	gtk_object_unref (GTK_OBJECT (et->selection));
	if (et->spec)
		gtk_object_unref (GTK_OBJECT (et->spec));

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

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

	gtk_widget_destroy (GTK_WIDGET (et->table_canvas));

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

	g_free(et->click_to_add_message);

	(*e_table_parent_class->destroy)(object);
}

static void
e_table_init (GtkObject *object)
{
	ETable *e_table = E_TABLE (object);
	GtkTable *gtk_table = GTK_TABLE (object);

	GTK_WIDGET_SET_FLAGS (e_table, GTK_CAN_FOCUS);

	gtk_table->homogeneous                      = FALSE;

	e_table->sort_info                          = NULL;
	e_table->group_info_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->click_to_add_message               = NULL;

	e_table->drag_get_data_row                  = -1;
	e_table->drag_get_data_col                  = -1;
	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;
}

/* 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 (GtkContainer *container, GtkDirectionType direction)
{
	ETable *e_table;

	e_table = E_TABLE (container);

	if (container->focus_child) {
		gtk_container_set_focus_child (container, NULL);
		return FALSE;
	}

	return gtk_container_focus (GTK_CONTAINER (e_table->table_canvas), direction);
}

static void
set_header_canvas_width (ETable *e_table)
{
	double 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)
{
	set_header_canvas_width (e_table);

	/* 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 (GTK_WIDGET (e_table->header_canvas)->allocation.height !=
	    E_TABLE_HEADER_ITEM (e_table->header_item)->height)
		gtk_widget_set_usize (GTK_WIDGET (e_table->header_canvas), -1,
				      E_TABLE_HEADER_ITEM (e_table->header_item)->height);
}

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

static void
e_table_setup_header (ETable *e_table)
{
	char *pointer;
	e_table->header_canvas = GNOME_CANVAS (e_canvas_new ());
	GTK_WIDGET_UNSET_FLAGS (e_table->header_canvas, GTK_CAN_FOCUS);

	gtk_widget_show (GTK_WIDGET (e_table->header_canvas));

	pointer = g_strdup_printf("%p", 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);

	gtk_signal_connect (
		GTK_OBJECT (e_table->header_canvas), "size_allocate",
		GTK_SIGNAL_FUNC (header_canvas_size_allocate), e_table);

	gtk_widget_set_usize (GTK_WIDGET (e_table->header_canvas), -1,
			      E_TABLE_HEADER_ITEM (e_table->header_item)->height);
}

static gboolean
table_canvas_reflow_idle (ETable *e_table)
{
	gdouble height, width;
	gdouble item_height;
	gdouble oldheight, oldwidth;
	GtkAllocation *alloc = &(GTK_WIDGET (e_table->table_canvas)->allocation);

	gtk_object_get (GTK_OBJECT (e_table->canvas_vbox),
			"height", &height,
			"width", &width,
			NULL);
	item_height = height;
	height = MAX ((int)height, alloc->height);
	width = MAX((int)width, alloc->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);
	}
	gtk_object_set (GTK_OBJECT (e_table->white_item),
			"y1", item_height,
			"x2", width,
			"y2", height,
			NULL);
	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;
	gdouble item_height;

	width = alloc->width;
	gtk_object_get (GTK_OBJECT (e_table->canvas_vbox),
			"height", &height,
			NULL);
	item_height = height;
	height = MAX ((int)height, alloc->height);

	gtk_object_set (GTK_OBJECT (e_table->canvas_vbox),
			"width", width,
			NULL);
	gtk_object_set (GTK_OBJECT (e_table->header),
			"width", width,
			NULL);
	gtk_object_set (GTK_OBJECT (e_table->white_item),
			"y1", item_height + 1,
			"x2", width,
			"y2", height,
			NULL);
	if (e_table->reflow_idle_id)
		g_source_remove(e_table->reflow_idle_id);
	table_canvas_reflow_idle(e_table);
}

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, int row, int 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, int row, ETable *et)
{
	ETableCursorLoc old_cursor_loc;

	old_cursor_loc = et->cursor_loc;

	et->cursor_loc = E_TABLE_CURSOR_LOC_TABLE;
	gtk_signal_emit (GTK_OBJECT (et),
			 et_signals [CURSOR_CHANGE],
			 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, int row, ETable *et)
{
	gtk_signal_emit (GTK_OBJECT (et),
			 et_signals [CURSOR_ACTIVATED],
			 row);
}

static void
group_double_click (ETableGroup *etg, int row, int col, GdkEvent *event, ETable *et)
{
	gtk_signal_emit (GTK_OBJECT (et),
			 et_signals [DOUBLE_CLICK],
			 row, col, event);
}

static gint
group_right_click (ETableGroup *etg, int row, int col, GdkEvent *event, ETable *et)
{
	int return_val = 0;
	gtk_signal_emit (GTK_OBJECT (et),
			 et_signals [RIGHT_CLICK],
			 row, col, event, &return_val);
	return return_val;
}

static gint
group_click (ETableGroup *etg, int row, int col, GdkEvent *event, ETable *et)
{
	int return_val = 0;
	gtk_signal_emit (GTK_OBJECT (et),
			 et_signals [CLICK],
			 row, col, event, &return_val);
	return return_val;
}

static gint
group_key_press (ETableGroup *etg, int row, int col, GdkEvent *event, ETable *et)
{
	int return_val = 0;
	GdkEventKey *key = (GdkEventKey *) event;
	int y, row_local, col_local;
	GtkAdjustment *vadj;

	switch (key->keyval) {
	case GDK_Page_Down:
	case GDK_KP_Page_Down:
		vadj = gtk_layout_get_vadjustment (GTK_LAYOUT (et->table_canvas));
		y = CLAMP(vadj->value + (2 * vadj->page_size - 50), 0, vadj->upper);
		y -= vadj->value;
		e_table_get_cell_at (et, 30, y, &row_local, &col_local);
		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_Page_Up:
	case GDK_KP_Page_Up:
		vadj = gtk_layout_get_vadjustment (GTK_LAYOUT (et->table_canvas));
		y = CLAMP(vadj->value - (vadj->page_size - 50), 0, vadj->upper);
		y -= vadj->value;
		e_table_get_cell_at (et, 30, y, &row_local, &col_local);
		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;
	default:
		gtk_signal_emit (GTK_OBJECT (et),
				 et_signals [KEY_PRESS],
				 row, col, event, &return_val);
		break;
	}
	return return_val;
}

static gint
group_start_drag (ETableGroup *etg, int row, int col, GdkEvent *event, ETable *et)
{
	int return_val = 0;
	gtk_signal_emit (GTK_OBJECT (et),
			 et_signals [KEY_PRESS],
			 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) {
		gtk_object_destroy (GTK_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, int row, ETable *et)
{
	if (!et->need_rebuild) {
		if (e_table_group_remove (et->group, row))
			e_table_group_add (et->group, row);
		if (et->horizontal_scrolling)
			e_table_header_update_horizontal(et->header);
	}
}

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

static void
et_table_rows_inserted (ETableModel *table_model, int row, int count, ETable *et)
{
	/* This number has already been decremented. */
	int row_count = e_table_model_row_count(table_model);
	if (!et->need_rebuild) {
		int 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);
		if (et->horizontal_scrolling)
			e_table_header_update_horizontal(et->header);
	}
}

static void
et_table_rows_deleted (ETableModel *table_model, int row, int count, ETable *et)
{
	int row_count = e_table_model_row_count(table_model);
	if (!et->need_rebuild) {
		int 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);
		if (et->horizontal_scrolling)
			e_table_header_update_horizontal(et->header);
	}
}

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);

	gtk_signal_connect (GTK_OBJECT (et->group), "cursor_change",
			    GTK_SIGNAL_FUNC (group_cursor_change), et);
	gtk_signal_connect (GTK_OBJECT (et->group), "cursor_activated",
			    GTK_SIGNAL_FUNC (group_cursor_activated), et);
	gtk_signal_connect (GTK_OBJECT (et->group), "double_click",
			    GTK_SIGNAL_FUNC (group_double_click), et);
	gtk_signal_connect (GTK_OBJECT (et->group), "right_click",
			    GTK_SIGNAL_FUNC (group_right_click), et);
	gtk_signal_connect (GTK_OBJECT (et->group), "click",
			    GTK_SIGNAL_FUNC (group_click), et);
	gtk_signal_connect (GTK_OBJECT (et->group), "key_press",
			    GTK_SIGNAL_FUNC (group_key_press), et);
	gtk_signal_connect (GTK_OBJECT (et->group), "start_drag",
			    GTK_SIGNAL_FUNC (group_start_drag), et);


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

	if (et->is_grouped && (!was_grouped)) {
		et->table_model_change_id = gtk_signal_connect (GTK_OBJECT (et->model), "model_changed",
								GTK_SIGNAL_FUNC (et_table_model_changed), et);

		et->table_row_change_id = gtk_signal_connect (GTK_OBJECT (et->model), "model_row_changed",
							      GTK_SIGNAL_FUNC (et_table_row_changed), et);

		et->table_cell_change_id = gtk_signal_connect (GTK_OBJECT (et->model), "model_cell_changed",
							       GTK_SIGNAL_FUNC (et_table_cell_changed), et);

		et->table_rows_inserted_id = gtk_signal_connect (GTK_OBJECT (et->model), "model_rows_inserted",
								GTK_SIGNAL_FUNC (et_table_rows_inserted), et);

		et->table_rows_deleted_id = gtk_signal_connect (GTK_OBJECT (et->model), "model_rows_deleted",
							       GTK_SIGNAL_FUNC (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);

	if (et->need_rebuild) {
		if (et->group)
			gtk_object_destroy (GTK_OBJECT (et->group));
		et_build_groups(et);
		gtk_object_set (GTK_OBJECT (et->canvas_vbox),
				"width", (double) GTK_WIDGET (et->table_canvas)->allocation.width,
				NULL);

		if (GTK_WIDGET_REALIZED(et->table_canvas))
			table_canvas_size_allocate (GTK_WIDGET(et->table_canvas), &GTK_WIDGET(et->table_canvas)->allocation, et);
	}

	et->need_rebuild = 0;
	et->rebuild_idle_id = 0;

	if (et->horizontal_scrolling)
		e_table_header_update_horizontal(et->header);

	return FALSE;
}

static void
et_canvas_realize (GtkWidget *canvas, ETable *e_table)
{
	gnome_canvas_item_set(
		e_table->white_item,
		"fill_color_gdk", &GTK_WIDGET(e_table->table_canvas)->style->base[GTK_STATE_NORMAL],
		NULL);
}

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 (GTK_WIDGET_HAS_FOCUS(root->canvas)) {
			GnomeCanvasItem *item = GNOME_CANVAS(root->canvas)->focused_item;

			if (E_IS_TABLE_ITEM(item)) {
				e_table_item_leave_edit_(E_TABLE_ITEM(item));
				return TRUE;
			}
		}
		break;
	default:
		break;
	}

	return FALSE;
}

static void
e_table_setup_table (ETable *e_table, ETableHeader *full_header, ETableHeader *header,
		     ETableModel *model)
{
	e_table->table_canvas = GNOME_CANVAS (e_canvas_new ());
	gtk_signal_connect (
		GTK_OBJECT (e_table->table_canvas), "size_allocate",
		GTK_SIGNAL_FUNC (table_canvas_size_allocate), e_table);
	gtk_signal_connect (
		GTK_OBJECT (e_table->table_canvas), "focus_in_event",
		GTK_SIGNAL_FUNC (gtk_widget_queue_draw), e_table);
	gtk_signal_connect (
		GTK_OBJECT (e_table->table_canvas), "focus_out_event",
		GTK_SIGNAL_FUNC (gtk_widget_queue_draw), e_table);

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

	gtk_signal_connect (GTK_OBJECT(e_table->table_canvas), "reflow",
			    GTK_SIGNAL_FUNC (table_canvas_reflow), e_table);

	gtk_widget_show (GTK_WIDGET (e_table->table_canvas));


	e_table->white_item = gnome_canvas_item_new(
		gnome_canvas_root(e_table->table_canvas),
		gnome_canvas_rect_get_type(),
		"x1", (double) 0,
		"y1", (double) 0,
		"x2", (double) 100,
		"y2", (double) 100,
		"fill_color_gdk", &GTK_WIDGET(e_table->table_canvas)->style->base[GTK_STATE_NORMAL],
		NULL);

	gtk_signal_connect (
		GTK_OBJECT(e_table->table_canvas), "realize",
		GTK_SIGNAL_FUNC(et_canvas_realize), e_table);
	gtk_signal_connect (
		GTK_OBJECT(gnome_canvas_root (e_table->table_canvas)), "event",
		GTK_SIGNAL_FUNC(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);

	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);

		gtk_signal_connect (
			GTK_OBJECT (e_table->click_to_add), "cursor_change",
			GTK_SIGNAL_FUNC(click_to_add_cursor_change), e_table);
	}
}

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

void
e_table_set_state_object(ETable *e_table, ETableState *state)
{
	if (e_table->header)
		gtk_object_unref(GTK_OBJECT(e_table->header));
	e_table->header = e_table_state_to_header (GTK_WIDGET(e_table), e_table->full_header, state);

	gtk_object_set (GTK_OBJECT (e_table->header),
			"width", (double) (GTK_WIDGET(e_table->table_canvas)->allocation.width),
			NULL);

	if (e_table->sort_info) {
		if (e_table->group_info_change_id)
			gtk_signal_disconnect (GTK_OBJECT (e_table->sort_info),
					       e_table->group_info_change_id);
		gtk_object_unref(GTK_OBJECT(e_table->sort_info));
	}
	if (state->sort_info) {
		e_table->sort_info = e_table_sort_info_duplicate(state->sort_info);
		e_table->group_info_change_id =
			gtk_signal_connect (GTK_OBJECT (e_table->sort_info),
					    "group_info_changed",
					    GTK_SIGNAL_FUNC (sort_info_changed),
					    e_table);
	}
	else
		e_table->sort_info = NULL;

	if (e_table->sorter)
		gtk_object_set(GTK_OBJECT(e_table->sorter),
			       "sort_info", e_table->sort_info,
			       NULL);
	if (e_table->header_item)
		gtk_object_set(GTK_OBJECT(e_table->header_item),
			       "ETableHeader", e_table->header,
			       "sort_info", e_table->sort_info,
			       NULL);
	if (e_table->click_to_add)
		gtk_object_set(GTK_OBJECT(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_set_state:
 * @e_table: %ETable object that will be modified
 * @state_str: a string with the XML representation of the ETableState.
 *
 * This routine sets the state (as described by %ETableState) of the
 * %ETable object.
 */
void
e_table_set_state (ETable      *e_table,
		   const gchar *state_str)
{
	ETableState *state;

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

	state = e_table_state_new();
	e_table_state_load_from_string(state, state_str);

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

	gtk_object_unref(GTK_OBJECT(state));
}

/**
 * e_table_load_state:
 * @e_table: %ETable object that will be modified
 * @filename: name of the file containing the state to be loaded into the %ETable
 *
 * An %ETableState will be loaded form the file pointed by @filename into the
 * @e_table object.
 */
void
e_table_load_state (ETable      *e_table,
		    const gchar *filename)
{
	ETableState *state;

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

	state = e_table_state_new();
	e_table_state_load_from_file(state, filename);

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

	gtk_object_unref(GTK_OBJECT(state));
}

/**
 * e_table_get_state_object:
 * @e_table: %ETable object that will be modified
 *
 * Returns: the %ETableState object that encapsulates the current
 * state of the @e_table object
 */
ETableState *
e_table_get_state_object (ETable *e_table)
{
	ETableState *state;
	int full_col_count;
	int i, j;

	state = e_table_state_new();
	state->sort_info = e_table->sort_info;
	gtk_object_ref(GTK_OBJECT(state->sort_info));


	state->col_count = e_table_header_count (e_table->header);
	full_col_count = e_table_header_count (e_table->full_header);
	state->columns = g_new(int, state->col_count);
	state->expansions = g_new(double, state->col_count);
	for (i = 0; i < state->col_count; i++) {
		ETableCol *col = e_table_header_get_column(e_table->header, i);
		state->columns[i] = -1;
		for (j = 0; j < full_col_count; j++) {
			if (col->col_idx == e_table_header_index(e_table->full_header, j)) {
				state->columns[i] = j;
				break;
			}
		}
		state->expansions[i] = col->expansion;
	}

	return state;
}

gchar          *e_table_get_state                 (ETable               *e_table)
{
	ETableState *state;
	gchar *string;

	state = e_table_get_state_object(e_table);
	string = e_table_state_save_to_string(state);
	gtk_object_unref(GTK_OBJECT(state));
	return string;
}

/**
 * e_table_save_state:
 * @e_table: %ETable object that will be modified
 * @filename: name of the file containing the state to be loaded into the %ETable
 *
 * This routine 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);
	gtk_object_unref(GTK_OBJECT(state));
}

static void
et_selection_model_selection_change (ETableGroup *etg, ETable *et)
{
	gtk_signal_emit (GTK_OBJECT (et),
			 et_signals [SELECTION_CHANGE]);
}

static ETable *
et_real_construct (ETable *e_table, ETableModel *etm, ETableExtras *ete,
		   ETableSpecification *specification, ETableState *state)
{
	int row = 0;

	if (ete)
		gtk_object_ref(GTK_OBJECT(ete));
	else
		ete = e_table_extras_new();

	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 = e_utf8_from_locale_string (gettext (specification->click_to_add_message));
	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);

	gtk_object_set(GTK_OBJECT(e_table->selection),
		       "selection_mode", specification->selection_mode,
		       "cursor_mode", specification->cursor_mode,
		       NULL);

	e_table->model = etm;
	gtk_object_ref (GTK_OBJECT (etm));

	gtk_widget_push_visual (gdk_rgb_get_visual ());
	gtk_widget_push_colormap (gdk_rgb_get_cmap ());

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

	e_table->sort_info = state->sort_info;
	gtk_object_ref (GTK_OBJECT (state->sort_info));

	e_table->group_info_change_id =
		gtk_signal_connect (GTK_OBJECT (e_table->sort_info), "group_info_changed",
				    GTK_SIGNAL_FUNC (sort_info_changed), e_table);


	gtk_object_set(GTK_OBJECT(e_table->header),
		       "sort_info", e_table->sort_info,
		       NULL);

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

	gtk_object_set (GTK_OBJECT (e_table->selection),
			"model", etm,
			"sorter", e_table->sorter,
			"header", e_table->header,
			NULL);

	gtk_signal_connect(GTK_OBJECT(e_table->selection), "selection_changed",
			   GTK_SIGNAL_FUNC(et_selection_model_selection_change), 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);

	gtk_layout_get_vadjustment (GTK_LAYOUT (e_table->table_canvas))->step_increment = 20;
	gtk_adjustment_changed(gtk_layout_get_vadjustment (GTK_LAYOUT (e_table->table_canvas)));
	gtk_layout_get_hadjustment (GTK_LAYOUT (e_table->table_canvas))->step_increment = 20;
	gtk_adjustment_changed(gtk_layout_get_hadjustment (GTK_LAYOUT (e_table->table_canvas)));

	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);

	gtk_widget_pop_colormap ();
	gtk_widget_pop_visual ();

	gtk_object_unref(GTK_OBJECT(ete));

	return e_table;
}

ETable *
e_table_construct (ETable *e_table, ETableModel *etm, ETableExtras *ete,
		   const char *spec_str, const char *state_str)
{
	ETableSpecification *specification;
	ETableState *state;

	g_return_val_if_fail(e_table != NULL, NULL);
	g_return_val_if_fail(E_IS_TABLE(e_table), NULL);
	g_return_val_if_fail(etm != NULL, 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(spec_str != NULL, NULL);

	specification = e_table_specification_new();
	e_table_specification_load_from_string(specification, spec_str);
	if (state_str) {
		state = e_table_state_new();
		e_table_state_load_from_string(state, state_str);
		if (state->col_count <= 0) {
			gtk_object_unref(GTK_OBJECT(state));
			state = specification->state;
			gtk_object_ref(GTK_OBJECT(state));
		}
	} else {
		state = specification->state;
		gtk_object_ref(GTK_OBJECT(state));
	}

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

	e_table->spec = specification;
	gtk_object_unref(GTK_OBJECT(state));

	return e_table;
}

ETable *
e_table_construct_from_spec_file (ETable *e_table, ETableModel *etm, ETableExtras *ete,
				  const char *spec_fn, const char *state_fn)
{
	ETableSpecification *specification;
	ETableState *state;

	g_return_val_if_fail(e_table != NULL, NULL);
	g_return_val_if_fail(E_IS_TABLE(e_table), NULL);
	g_return_val_if_fail(etm != NULL, 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(spec_fn != NULL, NULL);

	specification = e_table_specification_new();
	if (!e_table_specification_load_from_file(specification, spec_fn)) {
		gtk_object_unref(GTK_OBJECT(specification));
		return NULL;
	}

	if (state_fn) {
		state = e_table_state_new();
		if (!e_table_state_load_from_file(state, state_fn)) {
			gtk_object_unref(GTK_OBJECT(state));
			state = specification->state;
			gtk_object_ref(GTK_OBJECT(state));
		}
		if (state->col_count <= 0) {
			gtk_object_unref(GTK_OBJECT(state));
			state = specification->state;
			gtk_object_ref(GTK_OBJECT(state));
		}
	} else {
		state = specification->state;
		gtk_object_ref(GTK_OBJECT(state));
	}

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

	e_table->spec = specification;
	gtk_object_unref(GTK_OBJECT(state));

	return e_table;
}

GtkWidget *
e_table_new (ETableModel *etm, ETableExtras *ete, const char *spec, const char *state)
{
	ETable *e_table;

	g_return_val_if_fail(etm != NULL, 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(spec != NULL, NULL);

	e_table = gtk_type_new (e_table_get_type ());

	e_table = e_table_construct (e_table, etm, ete, spec, state);

	return GTK_WIDGET (e_table);
}

GtkWidget *
e_table_new_from_spec_file (ETableModel *etm, ETableExtras *ete, const char *spec_fn, const char *state_fn)
{
	ETable *e_table;

	g_return_val_if_fail(etm != NULL, 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(spec_fn != NULL, NULL);

	e_table = gtk_type_new (e_table_get_type ());

	e_table = e_table_construct_from_spec_file (e_table, etm, ete, spec_fn, state_fn);

	return GTK_WIDGET (e_table);
}

#if 0
static xmlNode *
et_build_column_spec (ETable *e_table)
{
	xmlNode *columns_shown;
	gint i;
	gint col_count;

	columns_shown = xmlNewNode (NULL, "columns-shown");

	col_count = e_table_header_count (e_table->header);
	for (i = 0; i < col_count; i++){
		gchar *text = g_strdup_printf ("%d", e_table_header_index(e_table->header, i));
		xmlNewChild (columns_shown, NULL, "column", text);
		g_free (text);
	}

	return columns_shown;
}

static xmlNode *
et_build_grouping_spec (ETable *e_table)
{
	xmlNode *node;
	xmlNode *grouping;
	int i;
	const int sort_count = e_table_sort_info_sorting_get_count (e_table->sort_info);
	const int group_count = e_table_sort_info_grouping_get_count (e_table->sort_info);

	grouping = xmlNewNode (NULL, "grouping");
	node = grouping;

	for (i = 0; i < group_count; i++) {
		ETableSortColumn column = e_table_sort_info_grouping_get_nth(e_table->sort_info, i);
		xmlNode *new_node = xmlNewChild(node, NULL, "group", NULL);

		e_xml_set_integer_prop_by_name (new_node, "column", column.column);
		e_xml_set_integer_prop_by_name (new_node, "ascending", column.ascending);
		node = new_node;
	}

	for (i = 0; i < sort_count; i++) {
		ETableSortColumn column = e_table_sort_info_sorting_get_nth(e_table->sort_info, i);
		xmlNode *new_node = xmlNewChild(node, NULL, "leaf", NULL);

		e_xml_set_integer_prop_by_name (new_node, "column", column.column);
		e_xml_set_integer_prop_by_name (new_node, "ascending", column.ascending);
		node = new_node;
	}

	return grouping;
}

static xmlDoc *
et_build_tree (ETable *e_table)
{
	xmlDoc *doc;
	xmlNode *root;

	doc = xmlNewDoc ("1.0");
	if (doc == NULL)
		return NULL;

	root = xmlNewDocNode (doc, NULL, "ETableSpecification", NULL);
	xmlDocSetRootElement (doc, root);
	xmlAddChild (root, et_build_column_spec (e_table));
	xmlAddChild (root, et_build_grouping_spec (e_table));

	return doc;
}

gchar *
e_table_get_specification (ETable *e_table)
{
	xmlDoc *doc;
	xmlChar *buffer;
	gint size;

	g_return_val_if_fail(e_table != NULL, NULL);
	g_return_val_if_fail(E_IS_TABLE(e_table), NULL);

	doc = et_build_tree (e_table);
	xmlDocDumpMemory (doc, &buffer, &size);
	xmlFreeDoc (doc);

	return buffer;
}

int
e_table_set_specification (ETable *e_table, const char *spec)
{
	xmlDoc *xmlSpec;
	int ret;

	g_return_val_if_fail(e_table != NULL, -1);
	g_return_val_if_fail(E_IS_TABLE(e_table), -1);
	g_return_val_if_fail(spec != NULL, -1);

	/* doesn't work yet, sigh */
	xmlSpec = xmlParseMemory ((char *)spec, strlen(spec));
	ret = et_real_set_specification(e_table, xmlSpec);
	xmlFreeDoc (xmlSpec);

	return ret;
}

void
e_table_save_specification (ETable *e_table, gchar *filename)
{
	xmlDoc *doc = et_build_tree (e_table);

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

	xmlSaveFile (filename, doc);
	xmlFreeDoc (doc);
}

int
e_table_load_specification (ETable *e_table, gchar *filename)
{
	xmlDoc *xmlSpec;
	int ret;

	g_return_val_if_fail(e_table != NULL, -1);
	g_return_val_if_fail(E_IS_TABLE(e_table), -1);
	g_return_val_if_fail(filename != NULL, -1);

	/* doesn't work yet, yay */
	xmlSpec = xmlParseFile (filename);
	ret = et_real_set_specification(e_table, xmlSpec);
	xmlFreeDoc (xmlSpec);

	return ret;
}
#endif

void
e_table_set_cursor_row (ETable *e_table, int row)
{
	g_return_if_fail(e_table != NULL);
	g_return_if_fail(E_IS_TABLE(e_table));
	g_return_if_fail(row >= 0);

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

int
e_table_get_cursor_row (ETable *e_table)
{
	int row;
	g_return_val_if_fail(e_table != NULL, -1);
	g_return_val_if_fail(E_IS_TABLE(e_table), -1);

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

void
e_table_selected_row_foreach     (ETable *e_table,
				  EForeachFunc callback,
				  gpointer closure)
{
	g_return_if_fail(e_table != NULL);
	g_return_if_fail(E_IS_TABLE(e_table));

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

gint
e_table_selected_count     (ETable *e_table)
{
	g_return_val_if_fail(e_table != NULL, -1);
	g_return_val_if_fail(E_IS_TABLE(e_table), -1);

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

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

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

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

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


EPrintable *
e_table_get_printable (ETable *e_table)
{
	g_return_val_if_fail(e_table != NULL, NULL);
	g_return_val_if_fail(E_IS_TABLE(e_table), NULL);

	return e_table_group_get_printable(e_table->group);
}

void
e_table_right_click_up (ETable *table)
{
	e_selection_model_right_click_up(E_SELECTION_MODEL(table->selection));
}

static void
et_get_arg (GtkObject *o, GtkArg *arg, guint arg_id)
{
	ETable *etable = E_TABLE (o);

	switch (arg_id){
	case ARG_MODEL:
		GTK_VALUE_OBJECT (*arg) = (GtkObject *) etable->model;
		break;
	case ARG_UNIFORM_ROW_HEIGHT:
		GTK_VALUE_BOOL (*arg) = etable->uniform_row_height;
		break;
	default:
		break;
	}
}

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

static void
et_set_arg (GtkObject *o, GtkArg *arg, guint arg_id)
{
	ETable *etable = E_TABLE (o);

	switch (arg_id){
	case ARG_LENGTH_THRESHOLD:
		etable->length_threshold = GTK_VALUE_INT (*arg);
		if (etable->group) {
			gnome_canvas_item_set (GNOME_CANVAS_ITEM(etable->group),
					       "length_threshold", GTK_VALUE_INT (*arg),
					       NULL);
		}
		break;
	case ARG_UNIFORM_ROW_HEIGHT:
		etable->uniform_row_height = GTK_VALUE_BOOL (*arg);
		if (etable->group) {
			gnome_canvas_item_set (GNOME_CANVAS_ITEM(etable->group),
					       "uniform_row_height", GTK_VALUE_BOOL (*arg),
					       NULL);
		}
		break;
	}
}

static void
set_scroll_adjustments   (ETable *table,
			  GtkAdjustment *hadjustment,
			  GtkAdjustment *vadjustment)
{
	if (vadjustment != NULL) {
		vadjustment->step_increment = 20;
		gtk_adjustment_changed(vadjustment);
	}
	if (hadjustment != NULL) {
		hadjustment->step_increment = 20;
		gtk_adjustment_changed(hadjustment);
	}

	gtk_layout_set_hadjustment (GTK_LAYOUT(table->table_canvas),
				    hadjustment);
	gtk_layout_set_vadjustment (GTK_LAYOUT(table->table_canvas),
				    vadjustment);

	if (table->header_canvas != NULL)
		gtk_layout_set_hadjustment (GTK_LAYOUT(table->header_canvas),
					    hadjustment);
}

gint
e_table_get_next_row      (ETable *e_table,
			   gint    model_row)
{
	g_return_val_if_fail(e_table != NULL, -1);
	g_return_val_if_fail(E_IS_TABLE(e_table), -1);

	if (e_table->sorter) {
		int 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;
}

gint
e_table_get_prev_row      (ETable *e_table,
			   gint    model_row)
{
	g_return_val_if_fail(e_table != NULL, -1);
	g_return_val_if_fail(E_IS_TABLE(e_table), -1);

	if (e_table->sorter) {
		int 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;
}

gint
e_table_model_to_view_row        (ETable *e_table,
				  gint    model_row)
{
	g_return_val_if_fail(e_table != NULL, -1);
	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;
}

gint
e_table_view_to_model_row        (ETable *e_table,
				  gint    view_row)
{
	g_return_val_if_fail(e_table != NULL, -1);
	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,
		     int x, int y,
		     int *row_return, int *col_return)
{
	g_return_if_fail (table != NULL);
	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.  */

	x += GTK_LAYOUT(table->table_canvas)->hadjustment->value;
	y += GTK_LAYOUT(table->table_canvas)->vadjustment->value;
	e_table_group_compute_location(table->group, &x, &y, row_return, col_return);
}

/**
 * e_table_get_cell_geometry:
 * @table: The table.
 * @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 right hand corner of the cell with respect to the widget.
 * @y_return: Returns the y coordinate of the upper right 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.
 * 
 * Computes the data about this cell.
 **/
void
e_table_get_cell_geometry (ETable *table,
			   int row, int col,
			   int *x_return, int *y_return,
			   int *width_return, int *height_return)
{
	g_return_if_fail (table != NULL);
	g_return_if_fail (E_IS_TABLE (table));

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

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

	if (x_return)
		(*x_return) -= GTK_LAYOUT(table->table_canvas)->hadjustment->value;
	if (y_return) {
		(*y_return) -= GTK_LAYOUT(table->table_canvas)->vadjustment->value;
		(*y_return) += GTK_WIDGET(table->header_canvas)->allocation.height;
	}
}

ESelectionModel *
e_table_get_selection_model (ETable *table)
{
	g_return_val_if_fail (table != NULL, NULL);
	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 */
	GdkColormap       *colormap;	         /* Colormap for drag icon */
	GdkPixmap         *pixmap;             /* Icon for drag data */
	GdkBitmap         *mask;

	/* 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 */
  gboolean           dropped : 1;     /* Set after we receive a drop */
  guint32            proxy_drop_time; /* Timestamp for proxied drop */
  gboolean           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 */
void
e_table_drag_get_data (ETable         *table,
		       int             row,
		       int             col,
		       GdkDragContext *context,
		       GdkAtom         target,
		       guint32         time)
{
	g_return_if_fail(table != NULL);
	g_return_if_fail(E_IS_TABLE(table));

	table->drag_get_data_row = row;
	table->drag_get_data_col = col;
	gtk_drag_get_data(GTK_WIDGET(table),
			  context,
			  target,
			  time);

}

/**
 * e_table_drag_highlight:
 * @table:
 * @row:
 * @col:
 *
 * Set col to -1 to highlight the entire row.
 */
void
e_table_drag_highlight (ETable *table,
			int     row,
			int     col)
{
	g_return_if_fail(table != NULL);
	g_return_if_fail(E_IS_TABLE(table));

	if (row != -1) {
		int x, y, width, height;
		if (col == -1) {
			e_table_get_cell_geometry (table, row, 0, &x, &y, &width, &height);
			x = 0;
			width = GTK_WIDGET (table->table_canvas)->allocation.width;
		} else {
			e_table_get_cell_geometry (table, row, col, &x, &y, &width, &height);
			x += GTK_LAYOUT(table->table_canvas)->hadjustment->value;
		}
		y += GTK_LAYOUT(table->table_canvas)->vadjustment->value;

		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", "black",
						       "width_pixels", 1,*/
						       "outline_color_gdk", &(GTK_WIDGET (table)->style->fg[GTK_STATE_NORMAL]),
						       NULL);
		}
		gnome_canvas_item_set (table->drop_highlight,
				       "x1", (double) x,
				       "x2", (double) x + width - 1,
				       "y1", (double) y,
				       "y2", (double) y + height - 1,
				       NULL);
	} else {
		gtk_object_destroy (GTK_OBJECT (table->drop_highlight));
		table->drop_highlight = NULL;
	}
}

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

	if (table->drop_highlight) {
		gtk_object_destroy (GTK_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(table != NULL);
	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(table != NULL);
	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(widget != NULL);
	g_return_if_fail(E_IS_TABLE(widget));

	gtk_drag_dest_unset(widget);
}

/* Source side */

static gint
et_real_start_drag (ETable *table, int row, int 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->pixmap)
					gtk_drag_set_icon_pixmap (context,
								  site->colormap,
								  site->pixmap,
								  site->mask, -2, -2);
				else
					gtk_drag_set_icon_default (context);
			}
		}
		return TRUE;
	}
	return FALSE;
}

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(table != NULL);
	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;
}

void
e_table_drag_source_unset (ETable *table)
{
	ETableDragSourceSite *site;

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

	site = table->site;

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

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

GdkDragContext *
e_table_drag_begin (ETable            *table,
		    int     	       row,
		    int     	       col,
		    GtkTargetList     *targets,
		    GdkDragAction      actions,
		    gint               button,
		    GdkEvent          *event)
{
	g_return_val_if_fail (table != NULL, NULL);
	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)
{
	gtk_signal_emit (GTK_OBJECT (et),
			 et_signals [TABLE_DRAG_BEGIN],
			 et->drag_row,
			 et->drag_col,
			 context);
}

static void
et_drag_end (GtkWidget *widget,
	     GdkDragContext *context,
	     ETable *et)
{
	gtk_signal_emit (GTK_OBJECT (et),
			 et_signals [TABLE_DRAG_END],
			 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)
{
	gtk_signal_emit (GTK_OBJECT (et),
			 et_signals [TABLE_DRAG_DATA_GET],
			 et->drag_row,
			 et->drag_col,
			 context,
			 selection_data,
			 info,
			 time);
}

static void
et_drag_data_delete(GtkWidget *widget,
		    GdkDragContext *context,
		    ETable *et)
{
	gtk_signal_emit (GTK_OBJECT (et),
			 et_signals [TABLE_DRAG_DATA_DELETE],
			 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;
	int row, col;
	GtkWidget *widget;

	widget = GTK_WIDGET (et);

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

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

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

	return ret_val;
}

static gboolean
scroll_timeout (gpointer data)
{
	ETable *et = data;
	int dy;
	GtkAdjustment *v;
	double value;

	if (et->scroll_down)
		dy = 20;
	else
		dy = -20;

	v = GTK_LAYOUT(et->table_canvas)->vadjustment;

	value = v->value;

	gtk_adjustment_set_value(v, CLAMP(v->value + dy, v->lower, v->upper - v->page_size));

	if (v->value != 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, gboolean down)
{
	if (et->scroll_idle_id == 0 || down != et->scroll_down) {
		if (et->scroll_idle_id != 0)
			g_source_remove (et->scroll_idle_id);
		et->scroll_down = down;
		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;
	et->last_drop_x       = 0;
	et->last_drop_y       = 0;
	et->last_drop_time    = 0;
	et->last_drop_context = NULL;
	scroll_off (et);
	gtk_object_unref (GTK_OBJECT (et));
}

static void
context_connect (ETable *et, GdkDragContext *context)
{
	if (g_dataset_get_data (context, "e-table") == NULL) {
		gtk_object_ref (GTK_OBJECT (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)
{
	gtk_signal_emit (GTK_OBJECT (et),
			 et_signals [TABLE_DRAG_LEAVE],
			 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)
{
	gboolean ret_val;

	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);


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

	if (y < 20 || y > widget->allocation.height - 20) {
		if (y < 20)
			scroll_on (et, FALSE);
		else
			scroll_on (et, TRUE);
	} 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;
	int row, col;

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

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

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

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

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

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

static void
e_table_class_init (ETableClass *class)
{
	GtkObjectClass *object_class;
	GtkWidgetClass *widget_class;
	GtkContainerClass *container_class;

	object_class = (GtkObjectClass *) class;
	widget_class = (GtkWidgetClass *) class;
	container_class = (GtkContainerClass *) class;

	e_table_parent_class = gtk_type_class (PARENT_TYPE);

	object_class->destroy           = et_destroy;
	object_class->set_arg           = et_set_arg;
	object_class->get_arg           = et_get_arg;

	widget_class->grab_focus = et_grab_focus;

	container_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->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] =
		gtk_signal_new ("cursor_change",
				GTK_RUN_LAST,
				E_OBJECT_CLASS_TYPE (object_class),
				GTK_SIGNAL_OFFSET (ETableClass, cursor_change),
				gtk_marshal_NONE__INT,
				GTK_TYPE_NONE, 1, GTK_TYPE_INT);

	et_signals [CURSOR_ACTIVATED] =
		gtk_signal_new ("cursor_activated",
				GTK_RUN_LAST,
				E_OBJECT_CLASS_TYPE (object_class),
				GTK_SIGNAL_OFFSET (ETableClass, cursor_activated),
				gtk_marshal_NONE__INT,
				GTK_TYPE_NONE, 1, GTK_TYPE_INT);

	et_signals [SELECTION_CHANGE] =
		gtk_signal_new ("selection_change",
				GTK_RUN_LAST,
				E_OBJECT_CLASS_TYPE (object_class),
				GTK_SIGNAL_OFFSET (ETableClass, selection_change),
				gtk_marshal_NONE__NONE,
				GTK_TYPE_NONE, 0);

	et_signals [DOUBLE_CLICK] =
		gtk_signal_new ("double_click",
				GTK_RUN_LAST,
				E_OBJECT_CLASS_TYPE (object_class),
				GTK_SIGNAL_OFFSET (ETableClass, double_click),
				gtk_marshal_NONE__INT_INT_POINTER,
				GTK_TYPE_NONE, 3, GTK_TYPE_INT, GTK_TYPE_INT, GTK_TYPE_GDK_EVENT);

	et_signals [RIGHT_CLICK] =
		gtk_signal_new ("right_click",
				GTK_RUN_LAST,
				E_OBJECT_CLASS_TYPE (object_class),
				GTK_SIGNAL_OFFSET (ETableClass, right_click),
				e_marshal_INT__INT_INT_POINTER,
				GTK_TYPE_INT, 3, GTK_TYPE_INT, GTK_TYPE_INT, GTK_TYPE_GDK_EVENT);

	et_signals [CLICK] =
		gtk_signal_new ("click",
				GTK_RUN_LAST,
				E_OBJECT_CLASS_TYPE (object_class),
				GTK_SIGNAL_OFFSET (ETableClass, click),
				e_marshal_INT__INT_INT_POINTER,
				GTK_TYPE_INT, 3, GTK_TYPE_INT, GTK_TYPE_INT, GTK_TYPE_GDK_EVENT);

	et_signals [KEY_PRESS] =
		gtk_signal_new ("key_press",
				GTK_RUN_LAST,
				E_OBJECT_CLASS_TYPE (object_class),
				GTK_SIGNAL_OFFSET (ETableClass, key_press),
				e_marshal_INT__INT_INT_POINTER,
				GTK_TYPE_INT, 3, GTK_TYPE_INT, GTK_TYPE_INT, GTK_TYPE_GDK_EVENT);

	et_signals [START_DRAG] =
		gtk_signal_new ("start_drag",
				GTK_RUN_LAST,
				E_OBJECT_CLASS_TYPE (object_class),
				GTK_SIGNAL_OFFSET (ETableClass, start_drag),
				e_marshal_INT__INT_INT_POINTER,
				GTK_TYPE_INT, 3, GTK_TYPE_INT, GTK_TYPE_INT, GTK_TYPE_GDK_EVENT);

	et_signals[TABLE_DRAG_BEGIN] =
		gtk_signal_new ("table_drag_begin",
				GTK_RUN_LAST,
				E_OBJECT_CLASS_TYPE (object_class),
				GTK_SIGNAL_OFFSET (ETableClass, table_drag_begin),
				gtk_marshal_NONE__INT_INT_POINTER,
				GTK_TYPE_NONE, 3,
				GTK_TYPE_INT,
				GTK_TYPE_INT,
				GTK_TYPE_GDK_DRAG_CONTEXT);
	et_signals[TABLE_DRAG_END] =
		gtk_signal_new ("table_drag_end",
				GTK_RUN_LAST,
				E_OBJECT_CLASS_TYPE (object_class),
				GTK_SIGNAL_OFFSET (ETableClass, table_drag_end),
				gtk_marshal_NONE__INT_INT_POINTER,
				GTK_TYPE_NONE, 3,
				GTK_TYPE_INT,
				GTK_TYPE_INT,
				GTK_TYPE_GDK_DRAG_CONTEXT);
	et_signals[TABLE_DRAG_DATA_GET] =
		gtk_signal_new ("table_drag_data_get",
				GTK_RUN_LAST,
				E_OBJECT_CLASS_TYPE (object_class),
				GTK_SIGNAL_OFFSET (ETableClass, table_drag_data_get),
				e_marshal_NONE__INT_INT_POINTER_POINTER_UINT_UINT,
				GTK_TYPE_NONE, 6,
				GTK_TYPE_INT,
				GTK_TYPE_INT,
				GTK_TYPE_GDK_DRAG_CONTEXT,
				GTK_TYPE_SELECTION_DATA,
				GTK_TYPE_UINT,
				GTK_TYPE_UINT);
	et_signals[TABLE_DRAG_DATA_DELETE] =
		gtk_signal_new ("table_drag_data_delete",
				GTK_RUN_LAST,
				E_OBJECT_CLASS_TYPE (object_class),
				GTK_SIGNAL_OFFSET (ETableClass, table_drag_data_delete),
				gtk_marshal_NONE__INT_INT_POINTER,
				GTK_TYPE_NONE, 3,
				GTK_TYPE_INT,
				GTK_TYPE_INT,
				GTK_TYPE_GDK_DRAG_CONTEXT);

	et_signals[TABLE_DRAG_LEAVE] =
		gtk_signal_new ("table_drag_leave",
				GTK_RUN_LAST,
				E_OBJECT_CLASS_TYPE (object_class),
				GTK_SIGNAL_OFFSET (ETableClass, table_drag_leave),
				e_marshal_NONE__INT_INT_POINTER_UINT,
				GTK_TYPE_NONE, 4,
				GTK_TYPE_INT,
				GTK_TYPE_INT,
				GTK_TYPE_GDK_DRAG_CONTEXT,
				GTK_TYPE_UINT);
	et_signals[TABLE_DRAG_MOTION] =
		gtk_signal_new ("table_drag_motion",
				GTK_RUN_LAST,
				E_OBJECT_CLASS_TYPE (object_class),
				GTK_SIGNAL_OFFSET (ETableClass, table_drag_motion),
				e_marshal_BOOL__INT_INT_POINTER_INT_INT_UINT,
				GTK_TYPE_BOOL, 6,
				GTK_TYPE_INT,
				GTK_TYPE_INT,
				GTK_TYPE_GDK_DRAG_CONTEXT,
				GTK_TYPE_INT,
				GTK_TYPE_INT,
				GTK_TYPE_UINT);
	et_signals[TABLE_DRAG_DROP] =
		gtk_signal_new ("table_drag_drop",
				GTK_RUN_LAST,
				E_OBJECT_CLASS_TYPE (object_class),
				GTK_SIGNAL_OFFSET (ETableClass, table_drag_drop),
				e_marshal_BOOL__INT_INT_POINTER_INT_INT_UINT,
				GTK_TYPE_BOOL, 6,
				GTK_TYPE_INT,
				GTK_TYPE_INT,
				GTK_TYPE_GDK_DRAG_CONTEXT,
				GTK_TYPE_INT,
				GTK_TYPE_INT,
				GTK_TYPE_UINT);
	et_signals[TABLE_DRAG_DATA_RECEIVED] =
		gtk_signal_new ("table_drag_data_received",
				GTK_RUN_LAST,
				E_OBJECT_CLASS_TYPE (object_class),
				GTK_SIGNAL_OFFSET (ETableClass, table_drag_data_received),
				e_marshal_NONE__INT_INT_POINTER_INT_INT_POINTER_UINT_UINT,
				GTK_TYPE_NONE, 8,
				GTK_TYPE_INT,
				GTK_TYPE_INT,
				GTK_TYPE_GDK_DRAG_CONTEXT,
				GTK_TYPE_INT,
				GTK_TYPE_INT,
				GTK_TYPE_SELECTION_DATA,
				GTK_TYPE_UINT,
				GTK_TYPE_UINT);

	E_OBJECT_CLASS_ADD_SIGNALS (object_class, et_signals, LAST_SIGNAL);

	class->set_scroll_adjustments = set_scroll_adjustments;

	widget_class->set_scroll_adjustments_signal =
		gtk_signal_new ("set_scroll_adjustments",
				GTK_RUN_LAST,
				E_OBJECT_CLASS_TYPE (object_class),
				GTK_SIGNAL_OFFSET (ETableClass, set_scroll_adjustments),
				gtk_marshal_NONE__POINTER_POINTER,
				GTK_TYPE_NONE, 2, GTK_TYPE_ADJUSTMENT, GTK_TYPE_ADJUSTMENT);

	gtk_object_add_arg_type ("ETable::length_threshold", GTK_TYPE_INT,
				 GTK_ARG_WRITABLE, ARG_LENGTH_THRESHOLD);
	gtk_object_add_arg_type ("ETable::uniform_row_height", GTK_TYPE_BOOL,
				 GTK_ARG_READWRITE, ARG_UNIFORM_ROW_HEIGHT);
	gtk_object_add_arg_type ("ETable::model", E_TABLE_MODEL_TYPE,
				 GTK_ARG_READABLE, ARG_MODEL);
}

E_MAKE_TYPE(e_table, "ETable", ETable, e_table_class_init, e_table_init, PARENT_TYPE);
