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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 "libgimp/gimp.h"
#include "imap_commands.h"
#include "imap_main.h"
#include "libgimp/stdplugins-intl.h"
static void move_command_destruct(Command_t *parent);
static CmdExecuteValue_t move_command_execute(Command_t *parent);
CommandClass_t move_command_class = {
move_command_destruct,
move_command_execute,
NULL, /* move_command_undo */
NULL /* move_command_redo */
};
typedef struct {
Command_t parent;
PreferencesData_t *preferences;
Preview_t *preview;
Object_t *obj;
gint start_x;
gint start_y;
gint obj_start_x;
gint obj_start_y;
gint obj_x;
gint obj_y;
gint obj_width;
gint obj_height;
gint image_width;
gint image_height;
GdkCursorType cursor; /* Remember previous cursor */
gboolean moved_first_time;
} MoveCommand_t;
Command_t*
move_command_new(Preview_t *preview, Object_t *obj, gint x, gint y)
{
MoveCommand_t *command = g_new(MoveCommand_t, 1);
command->preferences = get_preferences();
command->preview = preview;
command->obj = object_ref(obj);
command->start_x = x;
command->start_y = y;
object_get_dimensions(obj, &command->obj_x, &command->obj_y,
&command->obj_width, &command->obj_height);
command->obj_start_x = command->obj_x;
command->obj_start_y = command->obj_y;
command->image_width = get_image_width();
command->image_height = get_image_height();
command->moved_first_time = TRUE;
return command_init(&command->parent, _("Move"), &move_command_class);
}
static void
move_command_destruct(Command_t *parent)
{
MoveCommand_t *command = (MoveCommand_t*) parent;
object_unref(command->obj);
}
static void
button_motion(GtkWidget *widget, GdkEventMotion *event, gpointer data)
{
MoveCommand_t *command = (MoveCommand_t*) data;
Object_t *obj = command->obj;
gint dx = get_real_coord((gint) event->x) - command->start_x;
gint dy = get_real_coord((gint) event->y) - command->start_y;
if (command->moved_first_time) {
command->moved_first_time = FALSE;
command->cursor = preview_set_cursor(command->preview, GDK_FLEUR);
gdk_gc_set_function(command->preferences->normal_gc, GDK_EQUIV);
gdk_gc_set_function(command->preferences->selected_gc, GDK_EQUIV);
hide_url();
}
if (command->obj_x + dx < 0)
dx = -command->obj_x;
if (command->obj_x + command->obj_width + dx > command->image_width)
dx = command->image_width - command->obj_width - command->obj_x;
if (command->obj_y + dy < 0)
dy = -command->obj_y;
if (command->obj_y + command->obj_height + dy > command->image_height)
dy = command->image_height - command->obj_height - command->obj_y;
if (dx || dy) {
command->start_x = get_real_coord((gint) event->x);
command->start_y = get_real_coord((gint) event->y);
command->obj_x += dx;
command->obj_y += dy;
object_draw(obj, widget->window);
object_move(obj, dx, dy);
object_draw(obj, widget->window);
}
}
static void
button_release(GtkWidget *widget, GdkEventButton *event, gpointer data)
{
MoveCommand_t *command = (MoveCommand_t*) data;
g_signal_handlers_disconnect_by_func (widget,
button_motion, data);
g_signal_handlers_disconnect_by_func (widget,
button_release, data);
if (!command->moved_first_time) {
preview_set_cursor(command->preview, command->cursor);
gdk_gc_set_function(command->preferences->normal_gc, GDK_COPY);
gdk_gc_set_function(command->preferences->selected_gc, GDK_COPY);
show_url();
}
command->obj_x -= command->obj_start_x;
command->obj_y -= command->obj_start_y;
if (command->obj_x || command->obj_y)
command_list_add(object_move_command_new(command->obj, command->obj_x,
command->obj_y));
/* preview_thaw(); */
}
static CmdExecuteValue_t
move_command_execute(Command_t *parent)
{
MoveCommand_t *command = (MoveCommand_t*) parent;
GtkWidget *widget = command->preview->preview;
/* preview_freeze(); */
g_signal_connect(widget, "button_release_event",
G_CALLBACK (button_release), command);
g_signal_connect(widget, "motion_notify_event",
G_CALLBACK (button_motion), command);
return CMD_DESTRUCT;
}
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