gimp/plug-ins/imagemap/imap_cmd_move_sash.c

146 lines
3.8 KiB
C

/*
* This is a plug-in for 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_main.h"
#include "libgimp/stdplugins-intl.h"
COMMAND_PROTO(move_sash_command);
CommandClass_t move_sash_command_class = {
move_sash_command_destruct,
move_sash_command_execute,
NULL, /* move_sash_command_undo */
NULL /* move_sash_command_redo */
};
typedef struct {
Command_t parent;
GtkWidget *widget;
Object_t *obj;
gint x;
gint y;
gint image_width;
gint image_height;
MoveSashFunc_t sash_func;
} MoveSashCommand_t;
Command_t*
move_sash_command_new(GtkWidget *widget, Object_t *obj,
gint x, gint y, MoveSashFunc_t sash_func)
{
MoveSashCommand_t *command = g_new(MoveSashCommand_t, 1);
Command_t *parent;
command->widget = widget;
command->obj = object_ref(obj);
command->x = x;
command->y = y;
command->image_width = get_image_width();
command->image_height = get_image_height();
command->sash_func = sash_func;
parent = command_init(&command->parent, _("Move Sash"),
&move_sash_command_class);
command_add_subcommand(parent, edit_object_command_new(obj));
return parent;
}
static void
move_sash_command_destruct(Command_t *parent)
{
MoveSashCommand_t *command = (MoveSashCommand_t*) parent;
object_unref(command->obj);
}
static void
sash_move(GtkWidget *widget, GdkEventMotion *event, gpointer data)
{
MoveSashCommand_t *command = (MoveSashCommand_t*) data;
Object_t *obj = command->obj;
gint x, y, dx, dy;
x = get_real_coord((gint) event->x);
y = get_real_coord((gint) event->y);
if (x < 0)
x = 0;
if (x > command->image_width)
x = command->image_width;
if (y < 0)
y = 0;
if (y > command->image_height)
y = command->image_height;
dx = x - command->x;
dy = y - command->y;
command->x = x;
command->y = y;
object_draw(obj, widget->window);
command->sash_func(obj, dx, dy);
object_emit_geometry_signal(obj);
object_draw(obj, widget->window);
}
static void
sash_end(GtkWidget *widget, GdkEventButton *event, gpointer data)
{
MoveSashCommand_t *command = (MoveSashCommand_t*) data;
Object_t *obj = command->obj;
g_signal_handlers_disconnect_by_func(widget,
sash_move, data);
g_signal_handlers_disconnect_by_func(widget,
sash_end, data);
if (obj->class->normalize)
object_normalize(obj);
gdk_gc_set_function(get_preferences()->selected_gc, GDK_COPY);
preview_thaw();
show_url();
}
static CmdExecuteValue_t
move_sash_command_execute(Command_t *parent)
{
MoveSashCommand_t *command = (MoveSashCommand_t*) parent;
hide_url();
preview_freeze();
g_signal_connect(command->widget, "button-release-event",
G_CALLBACK (sash_end), command);
g_signal_connect(command->widget, "motion-notify-event",
G_CALLBACK (sash_move), command);
gdk_gc_set_function(get_preferences()->selected_gc, GDK_XOR);
return CMD_APPEND;
}