1 files changed, 142 insertions, 0 deletions
diff --git a/plug-ins/imagemap/imap_cmd_select_region.c b/plug-ins/imagemap/imap_cmd_select_region.c
new file mode 100644
index 0000000..6e0029b
--- /dev/null
+++ b/plug-ins/imagemap/imap_cmd_select_region.c
@@ -0,0 +1,142 @@
+/*
+ * 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 3 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, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+#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);
+
+   rectangle->width = x - rectangle->x;
+   rectangle->height = y - rectangle->y;
+
+   preview_redraw ();
+}
+
+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_normalize(obj);
+
+   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);
+   }
+   preview_unset_tmp_obj (command->obj);
+
+   preview_redraw ();
+}
+
+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);
+   preview_set_tmp_obj (command->obj);
+
+   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);
+
+   return CMD_IGNORE;
+}