mirror of https://github.com/GNOME/gimp.git
171 lines
5.1 KiB
C
171 lines
5.1 KiB
C
/*
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* This is a plug-in for the GIMP.
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*
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* Generates clickable image maps.
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*
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* Copyright (C) 1998-2003 Maurits Rijk lpeek.mrijk@consunet.nl
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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#include "config.h"
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#include <gtk/gtk.h>
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#include "libgimp/gimp.h"
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#include "imap_commands.h"
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#include "imap_main.h"
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#include "libgimp/stdplugins-intl.h"
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static void move_command_destruct(Command_t *parent);
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static CmdExecuteValue_t move_command_execute(Command_t *parent);
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CommandClass_t move_command_class = {
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move_command_destruct,
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move_command_execute,
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NULL, /* move_command_undo */
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NULL /* move_command_redo */
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};
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typedef struct {
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Command_t parent;
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PreferencesData_t *preferences;
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Preview_t *preview;
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Object_t *obj;
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gint start_x;
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gint start_y;
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gint obj_start_x;
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gint obj_start_y;
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gint obj_x;
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gint obj_y;
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gint obj_width;
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gint obj_height;
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gint image_width;
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gint image_height;
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GdkCursorType cursor; /* Remember previous cursor */
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gboolean moved_first_time;
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} MoveCommand_t;
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Command_t*
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move_command_new(Preview_t *preview, Object_t *obj, gint x, gint y)
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{
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MoveCommand_t *command = g_new(MoveCommand_t, 1);
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command->preferences = get_preferences();
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command->preview = preview;
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command->obj = object_ref(obj);
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command->start_x = x;
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command->start_y = y;
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object_get_dimensions(obj, &command->obj_x, &command->obj_y,
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&command->obj_width, &command->obj_height);
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command->obj_start_x = command->obj_x;
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command->obj_start_y = command->obj_y;
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command->image_width = get_image_width();
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command->image_height = get_image_height();
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command->moved_first_time = TRUE;
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return command_init(&command->parent, _("Move"), &move_command_class);
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}
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static void
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move_command_destruct(Command_t *parent)
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{
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MoveCommand_t *command = (MoveCommand_t*) parent;
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object_unref(command->obj);
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}
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static void
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button_motion(GtkWidget *widget, GdkEventMotion *event, gpointer data)
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{
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MoveCommand_t *command = (MoveCommand_t*) data;
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Object_t *obj = command->obj;
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gint dx = get_real_coord((gint) event->x) - command->start_x;
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gint dy = get_real_coord((gint) event->y) - command->start_y;
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if (command->moved_first_time) {
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command->moved_first_time = FALSE;
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command->cursor = preview_set_cursor(command->preview, GDK_FLEUR);
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gdk_gc_set_function(command->preferences->normal_gc, GDK_EQUIV);
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gdk_gc_set_function(command->preferences->selected_gc, GDK_EQUIV);
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hide_url();
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}
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if (command->obj_x + dx < 0)
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dx = -command->obj_x;
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if (command->obj_x + command->obj_width + dx > command->image_width)
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dx = command->image_width - command->obj_width - command->obj_x;
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if (command->obj_y + dy < 0)
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dy = -command->obj_y;
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if (command->obj_y + command->obj_height + dy > command->image_height)
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dy = command->image_height - command->obj_height - command->obj_y;
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if (dx || dy) {
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command->start_x = get_real_coord((gint) event->x);
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command->start_y = get_real_coord((gint) event->y);
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command->obj_x += dx;
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command->obj_y += dy;
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object_draw(obj, widget->window);
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object_move(obj, dx, dy);
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object_draw(obj, widget->window);
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}
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}
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static void
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button_release(GtkWidget *widget, GdkEventButton *event, gpointer data)
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{
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MoveCommand_t *command = (MoveCommand_t*) data;
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g_signal_handlers_disconnect_by_func (widget,
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button_motion, data);
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g_signal_handlers_disconnect_by_func (widget,
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button_release, data);
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if (!command->moved_first_time) {
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preview_set_cursor(command->preview, command->cursor);
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gdk_gc_set_function(command->preferences->normal_gc, GDK_COPY);
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gdk_gc_set_function(command->preferences->selected_gc, GDK_COPY);
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show_url();
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}
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command->obj_x -= command->obj_start_x;
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command->obj_y -= command->obj_start_y;
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if (command->obj_x || command->obj_y)
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command_list_add(object_move_command_new(command->obj, command->obj_x,
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command->obj_y));
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/* preview_thaw(); */
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}
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static CmdExecuteValue_t
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move_command_execute(Command_t *parent)
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{
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MoveCommand_t *command = (MoveCommand_t*) parent;
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GtkWidget *widget = command->preview->preview;
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/* preview_freeze(); */
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g_signal_connect(widget, "button_release_event",
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G_CALLBACK (button_release), command);
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g_signal_connect(widget, "motion_notify_event",
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G_CALLBACK (button_motion), command);
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return CMD_DESTRUCT;
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}
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