/*
* 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 Toshok <toshok@ximian.com>
* Chris Lahey <clahey@ximian.com>
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <ctype.h>
#include <math.h>
#include <stdio.h>
#include <gtk/gtk.h>
#include "gal-a11y-e-cell-registry.h"
#include "gal-a11y-e-cell-vbox.h"
#include "e-cell-vbox.h"
#include "e-table-item.h"
G_DEFINE_TYPE (ECellVbox, e_cell_vbox, E_TYPE_CELL)
#define INDENT_AMOUNT 16
/*
* ECell::new_view method
*/
static ECellView *
ecv_new_view (ECell *ecell,
ETableModel *table_model,
gpointer e_table_item_view)
{
ECellVbox *ecv = E_CELL_VBOX (ecell);
ECellVboxView *vbox_view = g_new0 (ECellVboxView, 1);
gint i;
vbox_view->cell_view.ecell = ecell;
vbox_view->cell_view.e_table_model = table_model;
vbox_view->cell_view.e_table_item_view = e_table_item_view;
vbox_view->cell_view.kill_view_cb = NULL;
vbox_view->cell_view.kill_view_cb_data = NULL;
/* create our subcell view */
vbox_view->subcell_view_count = ecv->subcell_count;
vbox_view->subcell_views = g_new (ECellView *, vbox_view->subcell_view_count);
vbox_view->model_cols = g_new (int, vbox_view->subcell_view_count);
for (i = 0; i < vbox_view->subcell_view_count; i++) {
vbox_view->subcell_views[i] = e_cell_new_view (ecv->subcells[i], table_model, e_table_item_view /* XXX */);
vbox_view->model_cols[i] = ecv->model_cols[i];
}
return (ECellView *) vbox_view;
}
/*
* ECell::kill_view method
*/
static void
ecv_kill_view (ECellView *ecv)
{
ECellVboxView *vbox_view = (ECellVboxView *) ecv;
gint i;
if (vbox_view->cell_view.kill_view_cb)
(vbox_view->cell_view.kill_view_cb)(ecv, vbox_view->cell_view.kill_view_cb_data);
if (vbox_view->cell_view.kill_view_cb_data)
g_list_free (vbox_view->cell_view.kill_view_cb_data);
/* kill our subcell view */
for (i = 0; i < vbox_view->subcell_view_count; i++)
e_cell_kill_view (vbox_view->subcell_views[i]);
g_free (vbox_view->model_cols);
g_free (vbox_view->subcell_views);
g_free (vbox_view);
}
/*
* ECell::realize method
*/
static void
ecv_realize (ECellView *ecell_view)
{
ECellVboxView *vbox_view = (ECellVboxView *) ecell_view;
gint i;
/* realize our subcell view */
for (i = 0; i < vbox_view->subcell_view_count; i++)
e_cell_realize (vbox_view->subcell_views[i]);
if (E_CELL_CLASS (e_cell_vbox_parent_class)->realize)
(* E_CELL_CLASS (e_cell_vbox_parent_class)->realize) (ecell_view);
}
/*
* ECell::unrealize method
*/
static void
ecv_unrealize (ECellView *ecv)
{
ECellVboxView *vbox_view = (ECellVboxView *) ecv;
gint i;
/* unrealize our subcell view. */
for (i = 0; i < vbox_view->subcell_view_count; i++)
e_cell_unrealize (vbox_view->subcell_views[i]);
if (E_CELL_CLASS (e_cell_vbox_parent_class)->unrealize)
(* E_CELL_CLASS (e_cell_vbox_parent_class)->unrealize) (ecv);
}
/*
* ECell::draw method
*/
static void
ecv_draw (ECellView *ecell_view,
cairo_t *cr,
gint model_col,
gint view_col,
gint row,
ECellFlags flags,
gint x1,
gint y1,
gint x2,
gint y2)
{
ECellVboxView *vbox_view = (ECellVboxView *) ecell_view;
gint subcell_offset = 0;
gint i;
for (i = 0; i < vbox_view->subcell_view_count; i++) {
/* Now cause our subcells to draw their contents,
* shifted by subcell_offset pixels */
gint height;
height = e_cell_height (
vbox_view->subcell_views[i],
vbox_view->model_cols[i], view_col, row);
e_cell_draw (
vbox_view->subcell_views[i], cr,
vbox_view->model_cols[i], view_col, row, flags,
x1, y1 + subcell_offset, x2,
y1 + subcell_offset + height);
subcell_offset += e_cell_height (
vbox_view->subcell_views[i],
vbox_view->model_cols[i], view_col, row);
}
}
/*
* ECell::event method
*/
static gint
ecv_event (ECellView *ecell_view,
GdkEvent *event,
gint model_col,
gint view_col,
gint row,
ECellFlags flags,
ECellActions *actions)
{
ECellVboxView *vbox_view = (ECellVboxView *) ecell_view;
gint y = 0;
gint i;
gint subcell_offset = 0;
switch (event->type) {
case GDK_BUTTON_PRESS:
case GDK_BUTTON_RELEASE:
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
y = event->button.y;
break;
case GDK_MOTION_NOTIFY:
y = event->motion.y;
break;
default:
/* nada */
break;
}
for (i = 0; i < vbox_view->subcell_view_count; i++) {
gint height = e_cell_height (vbox_view->subcell_views[i], vbox_view->model_cols[i], view_col, row);
if (y < subcell_offset + height)
return e_cell_event (vbox_view->subcell_views[i], event, vbox_view->model_cols[i], view_col, row, flags, actions);
subcell_offset += height;
}
return 0;
}
/*
* ECell::height method
*/
static gint
ecv_height (ECellView *ecell_view,
gint model_col,
gint view_col,
gint row)
{
ECellVboxView *vbox_view = (ECellVboxView *) ecell_view;
gint height = 0;
gint i;
for (i = 0; i < vbox_view->subcell_view_count; i++) {
height += e_cell_height (vbox_view->subcell_views[i], vbox_view->model_cols[i], view_col, row);
}
return height;
}
/*
* ECell::max_width method
*/
static gint
ecv_max_width (ECellView *ecell_view,
gint model_col,
gint view_col)
{
ECellVboxView *vbox_view = (ECellVboxView *) ecell_view;
gint max_width = 0;
gint i;
for (i = 0; i < vbox_view->subcell_view_count; i++) {
gint width = e_cell_max_width (vbox_view->subcell_views[i], vbox_view->model_cols[i], view_col);
max_width = MAX (width, max_width);
}
return max_width;
}
/*
* GObject::dispose method
*/
static void
ecv_dispose (GObject *object)
{
ECellVbox *ecv = E_CELL_VBOX (object);
gint i;
/* destroy our subcell */
for (i = 0; i < ecv->subcell_count; i++)
if (ecv->subcells[i])
g_object_unref (ecv->subcells[i]);
g_free (ecv->subcells);
ecv->subcells = NULL;
ecv->subcell_count = 0;
G_OBJECT_CLASS (e_cell_vbox_parent_class)->dispose (object);
}
static void
ecv_finalize (GObject *object)
{
ECellVbox *ecv = E_CELL_VBOX (object);
g_free (ecv->model_cols);
G_OBJECT_CLASS (e_cell_vbox_parent_class)->finalize (object);
}
static void
e_cell_vbox_class_init (ECellVboxClass *class)
{
GObjectClass *object_class = G_OBJECT_CLASS (class);
ECellClass *ecc = E_CELL_CLASS (class);
object_class->dispose = ecv_dispose;
object_class->finalize = ecv_finalize;
ecc->new_view = ecv_new_view;
ecc->kill_view = ecv_kill_view;
ecc->realize = ecv_realize;
ecc->unrealize = ecv_unrealize;
ecc->draw = ecv_draw;
ecc->event = ecv_event;
ecc->height = ecv_height;
ecc->max_width = ecv_max_width;
gal_a11y_e_cell_registry_add_cell_type (NULL, E_TYPE_CELL_VBOX, gal_a11y_e_cell_vbox_new);
}
static void
e_cell_vbox_init (ECellVbox *ecv)
{
ecv->subcells = NULL;
ecv->subcell_count = 0;
}
/**
* e_cell_vbox_new:
*
* Creates a new ECell renderer that can be used to render multiple
* child cells.
*
* Return value: an ECell object that can be used to render multiple
* child cells.
**/
ECell *
e_cell_vbox_new (void)
{
return g_object_new (E_TYPE_CELL_VBOX, NULL);
}
void
e_cell_vbox_append (ECellVbox *vbox,
ECell *subcell,
gint model_col)
{
vbox->subcell_count++;
vbox->subcells = g_renew (ECell *, vbox->subcells, vbox->subcell_count);
vbox->model_cols = g_renew (int, vbox->model_cols, vbox->subcell_count);
vbox->subcells[vbox->subcell_count - 1] = subcell;
vbox->model_cols[vbox->subcell_count - 1] = model_col;
if (subcell)
g_object_ref_sink (subcell);
}
