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/*
* This is a plug-in for the GIMP.
*
* Generates clickable image maps.
*
* Copyright (C) 1998-2003 Maurits Rijk lpeek.mrijk@consunet.nl
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#include "config.h"
#include <gtk/gtk.h>
#include "imap_commands.h"
#include "imap_rectangle.h"
#include "imap_main.h"
#include "libgimp/stdplugins-intl.h"
static CmdExecuteValue_t select_region_command_execute(Command_t *parent);
static CommandClass_t select_region_command_class = {
NULL, /* select_region_command_destruct, */
select_region_command_execute,
NULL, /* select_region_command_undo */
NULL /* select_region_command_redo */
};
typedef struct {
Command_t parent;
GtkWidget *widget;
ObjectList_t *list;
gint x;
gint y;
Object_t *obj;
Command_t *unselect_command;
} SelectRegionCommand_t;
Command_t*
select_region_command_new(GtkWidget *widget, ObjectList_t *list, gint x,
gint y)
{
SelectRegionCommand_t *command = g_new(SelectRegionCommand_t, 1);
Command_t *sub_command;
command->widget = widget;
command->list = list;
command->x = x;
command->y = y;
(void) command_init(&command->parent, _("Select Region"),
&select_region_command_class);
sub_command = unselect_all_command_new(list, NULL);
command_add_subcommand(&command->parent, sub_command);
command->unselect_command = sub_command;
return &command->parent;
}
static void
select_one_object(Object_t *obj, gpointer data)
{
SelectRegionCommand_t *command = (SelectRegionCommand_t*) data;
command_add_subcommand(&command->parent, select_command_new(obj));
}
static void
select_motion(GtkWidget *widget, GdkEventMotion *event, gpointer data)
{
SelectRegionCommand_t *command = (SelectRegionCommand_t*) data;
Object_t *obj = command->obj;
Rectangle_t *rectangle = ObjectToRectangle(obj);
gint x = get_real_coord((gint) event->x);
gint y = get_real_coord((gint) event->y);
object_draw(obj, widget->window);
rectangle->width = x - rectangle->x;
rectangle->height = y - rectangle->y;
object_draw(obj, widget->window);
}
static void
select_release(GtkWidget *widget, GdkEventButton *event, gpointer data)
{
SelectRegionCommand_t *command = (SelectRegionCommand_t*) data;
Object_t *obj = command->obj;
Rectangle_t *rectangle = ObjectToRectangle(obj);
gpointer id;
gint count;
g_signal_handlers_disconnect_by_func(widget,
select_motion, data);
g_signal_handlers_disconnect_by_func(widget,
select_release, data);
object_draw(obj, widget->window);
object_normalize(obj);
gdk_gc_set_function(get_preferences()->normal_gc, GDK_COPY);
id = object_list_add_select_cb(command->list, select_one_object, command);
count = object_list_select_region(command->list, rectangle->x, rectangle->y,
rectangle->width, rectangle->height);
object_list_remove_select_cb(command->list, id);
if (count) {
command_list_add(&command->parent);
} else { /* Nothing selected */
if (command->unselect_command->sub_commands)
command_list_add(&command->parent);
}
object_unref(obj);
}
static CmdExecuteValue_t
select_region_command_execute(Command_t *parent)
{
SelectRegionCommand_t *command = (SelectRegionCommand_t*) parent;
command->obj = create_rectangle(command->x, command->y, 0, 0);
g_signal_connect(command->widget, "button_release_event",
G_CALLBACK (select_release), command);
g_signal_connect(command->widget, "motion_notify_event",
G_CALLBACK (select_motion), command);
gdk_gc_set_function(get_preferences()->normal_gc, GDK_XOR);
return CMD_IGNORE;
}
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