/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* e-cell-vbox.c - Vbox cell object.
* Copyright 1999, 2000, 2001, Ximian, Inc.
*
* Authors:
* Chris Toshok <toshok@ximian.com>
* Chris Lahey <clahey@ximian.com>
*
* A majority of code taken from:
*
* the ECellText renderer.
* Copyright 1999, 2000, Ximian, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License, version 2, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#include <config.h>
#include <ctype.h>
#include <math.h>
#include <stdio.h>
#include <gtk/gtk.h>
#include "a11y/e-table/gal-a11y-e-cell-registry.h"
#include "a11y/e-table/gal-a11y-e-cell-vbox.h"
#include "e-util/e-util.h"
#include "e-cell-vbox.h"
#include "e-table-item.h"
#define PARENT_TYPE e_cell_get_type ()
static ECellClass *parent_class;
#define INDENT_AMOUNT 16
/*
* ECell::new_view method
*/
static ECellView *
ecv_new_view (ECell *ecell, ETableModel *table_model, void *e_table_item_view)
{
ECellVbox *ecv = E_CELL_VBOX (ecell);
ECellVboxView *vbox_view = g_new0 (ECellVboxView, 1);
int 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;
/* 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;
int i;
/* 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;
int i;
/* realize our subcell view */
for (i = 0; i < vbox_view->subcell_view_count; i++)
e_cell_realize (vbox_view->subcell_views[i]);
if (parent_class->realize)
(* parent_class->realize) (ecell_view);
}
/*
* ECell::unrealize method
*/
static void
ecv_unrealize (ECellView *ecv)
{
ECellVboxView *vbox_view = (ECellVboxView *) ecv;
int i;
/* unrealize our subcell view. */
for (i = 0; i < vbox_view->subcell_view_count; i++)
e_cell_unrealize (vbox_view->subcell_views[i]);
if (parent_class->unrealize)
(* parent_class->unrealize) (ecv);
}
/*
* ECell::draw method
*/
static void
ecv_draw (ECellView *ecell_view, GdkDrawable *drawable,
int model_col, int view_col, int row, ECellFlags flags,
int x1, int y1, int x2, int y2)
{
ECellVboxView *vbox_view = (ECellVboxView *)ecell_view;
int subcell_offset = 0;
int i;
for (i = 0; i < vbox_view->subcell_view_count; i++) {
/* Now cause our subcells to draw their contents,
shifted by subcell_offset pixels */
int 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], drawable,
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, int model_col, int view_col, int row, ECellFlags flags, ECellActions *actions)
{
ECellVboxView *vbox_view = (ECellVboxView *)ecell_view;
int y = 0;
int i;
int 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++) {
int 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 int
ecv_height (ECellView *ecell_view, int model_col, int view_col, int row)
{
ECellVboxView *vbox_view = (ECellVboxView *)ecell_view;
int height = 0;
int 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 int
ecv_max_width (ECellView *ecell_view, int model_col, int view_col)
{
ECellVboxView *vbox_view = (ECellVboxView *)ecell_view;
int max_width = 0;
int i;
for (i = 0; i < vbox_view->subcell_view_count; i++) {
int 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;
}
#if 0
/*
* ECellView::show_tooltip method
*/
static void
ecv_show_tooltip (ECellView *ecell_view, int model_col, int view_col, int row,
int col_width, ETableTooltip *tooltip)
{
ECellVboxView *vbox_view = (ECellVboxView *) ecell_view;
EVboxModel *vbox_model = e_cell_vbox_get_vbox_model (ecell_view->e_table_model, row);
EVboxPath node = e_cell_vbox_get_node (ecell_view->e_table_model, row);
int offset = offset_of_node (ecell_view->e_table_model, row);
GdkPixbuf *node_image;
node_image = e_vbox_model_icon_at (vbox_model, node);
if (node_image)
offset += gdk_pixbuf_get_width (node_image);
tooltip->x += offset;
e_cell_show_tooltip (vbox_view->subcell_view, model_col, view_col, row, col_width - offset, tooltip);
}
/*
* ECellView::get_bg_color method
*/
static char *
ecv_get_bg_color (ECellView *ecell_view, int row)
{
ECellVboxView *vbox_view = (ECellVboxView *) ecell_view;
return e_cell_get_bg_color (vbox_view->subcell_views[0], row);
}
/*
* ECellView::enter_edit method
*/
static void *
ecv_enter_edit (ECellView *ecell_view, int model_col, int view_col, int row)
{
/* just defer to our subcell's view */
ECellVboxView *vbox_view = (ECellVboxView *) ecell_view;
return e_cell_enter_edit (vbox_view->subcell_view, model_col, view_col, row);
}
/*
* ECellView::leave_edit method
*/
static void
ecv_leave_edit (ECellView *ecell_view, int model_col, int view_col, int row, void *edit_context)
{
/* just defer to our subcell's view */
ECellVboxView *vbox_view = (ECellVboxView *) ecell_view;
e_cell_leave_edit (vbox_view->subcell_view, model_col, view_col, row, edit_context);
}
static void
ecv_print (ECellView *ecell_view, GnomePrintContext *context,
int model_col, int view_col, int row,
double width, double height)
{
ECellVboxView *vbox_view = (ECellVboxView *) ecell_view;
if (/* XXX only if we're the active sort */ TRUE) {
EVboxModel *vbox_model = e_cell_vbox_get_vbox_model (ecell_view->e_table_model, row);
EVboxTableAdapter *vbox_table_adapter = e_cell_vbox_get_vbox_table_adapter(ecell_view->e_table_model, row);
EVboxPath node = e_cell_vbox_get_node (ecell_view->e_table_model, row);
int offset = offset_of_node (ecell_view->e_table_model, row);
int subcell_offset = offset;
gboolean expandable = e_vbox_model_node_is_expandable (vbox_model, node);
gboolean expanded = e_vbox_table_adapter_node_is_expanded (vbox_table_adapter, node);
/* draw our lines */
if (E_CELL_VBOX(vbox_view->cell_view.ecell)->draw_lines) {
int depth;
if (!e_vbox_model_node_is_root (vbox_model, node)
|| e_vbox_model_node_get_children (vbox_model, node, NULL) > 0) {
gnome_print_moveto (context,
offset - INDENT_AMOUNT / 2,
height / 2);
gnome_print_lineto (context,
offset,
height / 2);
}
if (visible_depth_of_node (ecell_view->e_table_model, row) != 0) {
gnome_print_moveto (context,
offset - INDENT_AMOUNT / 2,
height);
gnome_print_lineto (context,
offset - INDENT_AMOUNT / 2,
(e_vbox_model_node_get_next (vbox_model, node)
? 0
: height / 2));
}
/* now traverse back up to the root of the vbox, checking at
each level if the node has siblings, and drawing the
correct vertical pipe for it's configuration. */
node = e_vbox_model_node_get_parent (vbox_model, node);
depth = visible_depth_of_node (ecell_view->e_table_model, row) - 1;
offset -= INDENT_AMOUNT;
while (node && depth != 0) {
if (e_vbox_model_node_get_next(vbox_model, node)) {
gnome_print_moveto (context,
offset - INDENT_AMOUNT / 2,
height);
gnome_print_lineto (context,
offset - INDENT_AMOUNT / 2,
0);
}
node = e_vbox_model_node_get_parent (vbox_model, node);
depth --;
offset -= INDENT_AMOUNT;
}
}
/* now draw our icon if we're expandable */
if (expandable) {
double image_matrix [6] = {16, 0, 0, 16, 0, 0};
GdkPixbuf *image = (expanded
? E_CELL_VBOX(vbox_view->cell_view.ecell)->open_pixbuf
: E_CELL_VBOX(vbox_view->cell_view.ecell)->closed_pixbuf);
int image_width, image_height, image_rowstride;
guchar *image_pixels;
image_width = gdk_pixbuf_get_width(image);
image_height = gdk_pixbuf_get_height(image);
image_pixels = gdk_pixbuf_get_pixels(image);
image_rowstride = gdk_pixbuf_get_rowstride(image);
image_matrix [4] = subcell_offset - INDENT_AMOUNT / 2 - image_width / 2;
image_matrix [5] = height / 2 - image_height / 2;
gnome_print_gsave (context);
gnome_print_concat (context, image_matrix);
gnome_print_rgbaimage (context, image_pixels, image_width, image_height, image_rowstride);
gnome_print_grestore (context);
}
gnome_print_stroke (context);
if (gnome_print_translate(context, subcell_offset, 0) == -1)
/* FIXME */;
width -= subcell_offset;
}
e_cell_print (vbox_view->subcell_view, context, model_col, view_col, row, width, height);
}
static gdouble
ecv_print_height (ECellView *ecell_view, GnomePrintContext *context,
int model_col, int view_col, int row,
double width)
{
return 12; /* XXX */
}
#endif
/*
* GObject::dispose method
*/
static void
ecv_dispose (GObject *object)
{
ECellVbox *ecv = E_CELL_VBOX (object);
int 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 (parent_class)->dispose (object);
}
static void
e_cell_vbox_class_init (GObjectClass *object_class)
{
ECellClass *ecc = (ECellClass *) object_class;
object_class->dispose = ecv_dispose;
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;
#if 0
ecc->enter_edit = ecv_enter_edit;
ecc->leave_edit = ecv_leave_edit;
ecc->print = ecv_print;
ecc->print_height = ecv_print_height;
#endif
ecc->max_width = ecv_max_width;
#if 0
ecc->show_tooltip = ecv_show_tooltip;
ecc->get_bg_color = ecv_get_bg_color;
#endif
parent_class = g_type_class_ref (PARENT_TYPE);
gal_a11y_e_cell_registry_add_cell_type (NULL, E_CELL_VBOX_TYPE, gal_a11y_e_cell_vbox_new);
}
static void
e_cell_vbox_init (GtkObject *object)
{
ECellVbox *ecv = E_CELL_VBOX (object);
ecv->subcells = NULL;
ecv->subcell_count = 0;
}
E_MAKE_TYPE(e_cell_vbox, "ECellVbox", ECellVbox, e_cell_vbox_class_init, e_cell_vbox_init, PARENT_TYPE);
/**
* 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)
{
ECellVbox *ecv = g_object_new (E_CELL_VBOX_TYPE, NULL);
return (ECell *) ecv;
}
void
e_cell_vbox_append (ECellVbox *vbox, ECell *subcell, int 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 (subcell);
}
