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-rw-r--r--plug-ins/imagemap/imap_object.c1040
1 files changed, 1040 insertions, 0 deletions
diff --git a/plug-ins/imagemap/imap_object.c b/plug-ins/imagemap/imap_object.c
new file mode 100644
index 0000000..2f06e92
--- /dev/null
+++ b/plug-ins/imagemap/imap_object.c
@@ -0,0 +1,1040 @@
+/*
+ * This is a plug-in for GIMP.
+ *
+ * Generates clickable image maps.
+ *
+ * Copyright (C) 1998-2005 Maurits Rijk m.rijk@chello.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_default_dialog.h"
+#include "imap_grid.h"
+#include "imap_main.h"
+#include "imap_object.h"
+#include "imap_string.h"
+
+typedef struct {
+ ObjectListCallbackFunc_t func;
+ gpointer data;
+} ObjectListCB_t;
+
+static ObjectList_t *_paste_buffer;
+
+static gpointer
+object_list_callback_add(ObjectListCallback_t *list,
+ ObjectListCallbackFunc_t func, gpointer data)
+{
+ ObjectListCB_t *cb = g_new(ObjectListCB_t, 1);
+ cb->func = func;
+ cb->data = data;
+ list->list = g_list_append(list->list, cb);
+ return cb;
+}
+
+static void
+object_list_callback_remove(ObjectListCallback_t *list, gpointer id)
+{
+ list->list = g_list_remove(list->list, id);
+}
+
+static void
+object_list_callback_call(ObjectListCallback_t *list, Object_t *obj)
+{
+ GList *p;
+ for (p = list->list; p; p = p->next) {
+ ObjectListCB_t *cb = (ObjectListCB_t*) p->data;
+ cb->func(obj, cb->data);
+ }
+}
+
+gpointer
+object_list_add_changed_cb(ObjectList_t *list, ObjectListCallbackFunc_t func,
+ gpointer data)
+{
+ return object_list_callback_add(&list->changed_cb, func, data);
+}
+
+gpointer
+object_list_add_update_cb(ObjectList_t *list, ObjectListCallbackFunc_t func,
+ gpointer data)
+{
+ return object_list_callback_add(&list->update_cb, func, data);
+}
+
+gpointer
+object_list_add_add_cb(ObjectList_t *list, ObjectListCallbackFunc_t func,
+ gpointer data)
+{
+ return object_list_callback_add(&list->add_cb, func, data);
+}
+
+gpointer
+object_list_add_remove_cb(ObjectList_t *list, ObjectListCallbackFunc_t func,
+ gpointer data)
+{
+ return object_list_callback_add(&list->remove_cb, func, data);
+}
+
+gpointer
+object_list_add_select_cb(ObjectList_t *list, ObjectListCallbackFunc_t func,
+ gpointer data)
+{
+ return object_list_callback_add(&list->select_cb, func, data);
+}
+
+gpointer
+object_list_add_move_cb(ObjectList_t *list, ObjectListCallbackFunc_t func,
+ gpointer data)
+{
+ return object_list_callback_add(&list->move_cb, func, data);
+}
+
+gpointer
+object_list_add_geometry_cb(ObjectList_t *list, ObjectListCallbackFunc_t func,
+ gpointer data)
+{
+ return object_list_callback_add(&list->geometry_cb, func, data);
+}
+
+gpointer
+paste_buffer_add_add_cb(ObjectListCallbackFunc_t func, gpointer data)
+{
+ if (!_paste_buffer)
+ _paste_buffer = make_object_list();
+ return object_list_callback_add(&_paste_buffer->add_cb, func, data);
+}
+
+gpointer
+paste_buffer_add_remove_cb(ObjectListCallbackFunc_t func, gpointer data)
+{
+ if (!_paste_buffer)
+ _paste_buffer = make_object_list();
+ return object_list_callback_add(&_paste_buffer->remove_cb, func, data);
+}
+
+void
+object_list_remove_add_cb(ObjectList_t *list, gpointer id)
+{
+ object_list_callback_remove(&list->add_cb, id);
+}
+
+void
+object_list_remove_select_cb(ObjectList_t *list, gpointer id)
+{
+ object_list_callback_remove(&list->select_cb, id);
+}
+
+void
+object_list_remove_remove_cb(ObjectList_t *list, gpointer id)
+{
+ object_list_callback_remove(&list->remove_cb, id);
+}
+
+void
+object_list_remove_move_cb(ObjectList_t *list, gpointer id)
+{
+ object_list_callback_remove(&list->move_cb, id);
+}
+
+void
+object_list_remove_geometry_cb(ObjectList_t *list, gpointer id)
+{
+ object_list_callback_remove(&list->geometry_cb, id);
+}
+
+Object_t*
+object_init(Object_t *obj, ObjectClass_t *class)
+{
+ obj->class = class;
+ obj->refcount = 1;
+ obj->selected = FALSE;
+ obj->locked = FALSE;
+ obj->url = g_strdup("");
+ obj->target = g_strdup("");
+ obj->comment = g_strdup("");
+ obj->mouse_over = g_strdup("");
+ obj->mouse_out = g_strdup("");
+ obj->focus = g_strdup("");
+ obj->blur = g_strdup("");
+ return obj;
+}
+
+static void
+object_destruct(Object_t *obj)
+{
+ if (obj->class->destruct)
+ obj->class->destruct(obj);
+ g_free(obj->url);
+ g_free(obj->target);
+ g_free(obj->comment);
+ g_free(obj->mouse_over);
+ g_free(obj->mouse_out);
+ g_free(obj->focus);
+ g_free(obj->blur);
+ g_free(obj);
+}
+
+Object_t*
+object_ref(Object_t *obj)
+{
+ obj->refcount++;
+ return obj;
+}
+
+void
+object_unref(Object_t *obj)
+{
+ if (!--obj->refcount)
+ object_destruct(obj);
+}
+
+Object_t*
+object_clone(Object_t *obj)
+{
+ Object_t *clone = obj->class->clone(obj);
+ clone->class = obj->class;
+ clone->refcount = 1;
+ clone->selected = obj->selected;
+ clone->locked = FALSE;
+ clone->url = g_strdup(obj->url);
+ clone->target = g_strdup(obj->target);
+ clone->comment = g_strdup(obj->comment);
+ clone->mouse_over = g_strdup(obj->mouse_over);
+ clone->mouse_out = g_strdup(obj->mouse_out);
+ clone->focus = g_strdup(obj->focus);
+ clone->blur = g_strdup(obj->blur);
+ return clone;
+}
+
+static Object_t*
+object_copy(Object_t *src, Object_t *des)
+{
+ des->class = src->class;
+ des->selected = src->selected;
+ des->locked = FALSE;
+ g_strreplace(&des->url, src->url);
+ g_strreplace(&des->target, src->target);
+ g_strreplace(&des->comment, src->comment);
+ g_strreplace(&des->mouse_over, src->mouse_over);
+ g_strreplace(&des->mouse_out, src->mouse_out);
+ g_strreplace(&des->focus, src->focus);
+ g_strreplace(&des->blur, src->blur);
+ return des;
+}
+
+Object_t*
+object_assign(Object_t *obj, Object_t *des)
+{
+ obj->class->assign(obj, des);
+ return object_copy(obj, des);
+}
+
+void
+object_draw(Object_t *obj, cairo_t *cr)
+{
+ PreferencesData_t *preferences = get_preferences();
+ ColorSelData_t *colors = &preferences->colors;
+ GdkColor *fg, *bg;
+ gdouble dash = 4.;
+
+ if (obj->selected & 4) {
+ fg = &colors->interactive_fg;
+ bg = &colors->interactive_bg;
+ obj->selected &= ~4;
+ } else if (obj->selected) {
+ fg = &colors->selected_fg;
+ bg = &colors->selected_bg;
+ } else {
+ fg = &colors->normal_fg;
+ bg = &colors->normal_bg;
+ }
+
+ cairo_save (cr);
+ gdk_cairo_set_source_color (cr, bg);
+ obj->class->draw(obj, cr);
+ gdk_cairo_set_source_color (cr, fg);
+ cairo_set_dash (cr, &dash, 1, 0.);
+ obj->class->draw(obj, cr);
+
+ if (obj->selected && preferences->show_area_handle)
+ obj->class->draw_sashes(obj, cr);
+ cairo_restore (cr);
+}
+
+void
+object_edit(Object_t *obj, gboolean add)
+{
+ if (!obj->class->info_dialog)
+ obj->class->info_dialog = create_edit_area_info_dialog(obj);
+ edit_area_info_dialog_show(obj->class->info_dialog, obj, add);
+}
+
+void
+object_select(Object_t *obj)
+{
+ obj->selected = TRUE;
+ object_list_callback_call(&obj->list->select_cb, obj);
+ object_emit_geometry_signal(obj);
+}
+
+void
+object_unselect(Object_t *obj)
+{
+ obj->selected = FALSE;
+ object_list_callback_call(&obj->list->select_cb, obj);
+ object_emit_geometry_signal(obj);
+}
+
+void
+object_move(Object_t *obj, gint dx, gint dy)
+{
+ obj->class->move(obj, dx, dy);
+ object_emit_geometry_signal(obj);
+}
+
+void
+object_move_sash(Object_t *obj, gint dx, gint dy)
+{
+ gint x, y, width, height;
+ MoveSashFunc_t sash_func;
+
+ obj->class->get_dimensions(obj, &x, &y, &width, &height);
+ if (dx == 0)
+ x += (width / 2);
+ else
+ x += width;
+
+ if (dy == 0)
+ y += (height / 2);
+ else
+ y += height;
+
+ sash_func = obj->class->near_sash(obj, x, y);
+
+ if (sash_func) {
+ sash_func(obj, dx, dy);
+ object_emit_geometry_signal(obj);
+ }
+}
+
+void
+object_remove(Object_t *obj)
+{
+ object_list_remove(obj->list, obj);
+ object_emit_geometry_signal(obj);
+}
+
+void
+object_lock(Object_t *obj)
+{
+ obj->locked = TRUE;
+}
+
+void
+object_unlock(Object_t *obj)
+{
+ obj->locked = FALSE;
+}
+
+void
+object_set_url(Object_t *obj, const gchar *url)
+{
+ g_strreplace(&obj->url, url);
+}
+
+void
+object_set_target(Object_t *obj, const gchar *target)
+{
+ g_strreplace(&obj->target, target);
+}
+
+void
+object_set_comment(Object_t *obj, const gchar *comment)
+{
+ g_strreplace(&obj->comment, comment);
+}
+
+void
+object_set_mouse_over(Object_t *obj, const gchar *mouse_over)
+{
+ g_strreplace(&obj->mouse_over, mouse_over);
+}
+
+void
+object_set_mouse_out(Object_t *obj, const gchar *mouse_out)
+{
+ g_strreplace(&obj->mouse_out, mouse_out);
+}
+
+void
+object_set_focus(Object_t *obj, const gchar *focus)
+{
+ g_strreplace(&obj->focus, focus);
+}
+
+void
+object_set_blur(Object_t *obj, const gchar *blur)
+{
+ g_strreplace(&obj->blur, blur);
+}
+
+gint
+object_get_position_in_list(Object_t *obj)
+{
+ return g_list_index(obj->list->list, (gpointer) obj);
+}
+
+void
+object_emit_changed_signal(Object_t *obj)
+{
+ object_list_callback_call(&obj->list->changed_cb, obj);
+}
+
+void
+object_emit_geometry_signal(Object_t *obj)
+{
+ object_list_callback_call(&obj->list->geometry_cb, obj);
+}
+
+void
+object_emit_update_signal(Object_t *obj)
+{
+ object_list_callback_call(&obj->list->update_cb, obj);
+}
+
+void
+do_object_locked_dialog(void)
+{
+ static DefaultDialog_t *dialog;
+ if (!dialog) {
+ dialog = make_default_dialog("Object locked");
+ default_dialog_hide_cancel_button(dialog);
+ default_dialog_hide_apply_button(dialog);
+ default_dialog_set_label(
+ dialog,
+ "\n You cannot delete the selected object \n"
+ "since it is currently being edited.\n");
+ }
+ default_dialog_show(dialog);
+}
+
+static Object_t*
+object_factory_create_object(ObjectFactory_t *factory, gint x, gint y)
+{
+ return factory->obj = factory->create_object(x, y);
+}
+
+static gboolean
+button_motion(GtkWidget *widget, GdkEventMotion *event,
+ ObjectFactory_t *factory)
+{
+ gint x = get_real_coord((gint) event->x);
+ gint y = get_real_coord((gint) event->y);
+
+ round_to_grid(&x, &y);
+
+ factory->set_xy(factory->obj, event->state, x, y);
+
+ preview_redraw ();
+
+ return FALSE;
+}
+
+gboolean
+object_on_button_press(GtkWidget *widget, GdkEventButton *event, gpointer data)
+{
+ static ObjectFactory_t *factory;
+ PreferencesData_t *preferences = get_preferences();
+ gint x = get_real_coord((gint) event->x);
+ gint y = get_real_coord((gint) event->y);
+ static Object_t *obj;
+
+ if (event->type == GDK_2BUTTON_PRESS)
+ return FALSE;
+ round_to_grid(&x, &y);
+
+ if (obj) {
+ if (event->button == 1) {
+ if (!factory->finish || factory->finish(obj, x, y)) {
+ g_signal_handlers_disconnect_by_func(widget,
+ button_motion,
+ factory);
+ if (object_is_valid(obj)) {
+ Command_t *command = create_command_new(get_shapes(), obj);
+ command_execute(command);
+ if (preferences->prompt_for_area_info)
+ object_edit(obj, FALSE);
+ } else {
+ object_unref(obj);
+ }
+ preview_unset_tmp_obj (obj);
+ preview_redraw ();
+ obj = NULL;
+ main_clear_dimension();
+ }
+ } else if (event->button == 3) {
+ if (!factory->cancel || factory->cancel(event, obj)) {
+ g_signal_handlers_disconnect_by_func(widget,
+ button_motion,
+ factory);
+ object_unref(obj);
+ preview_unset_tmp_obj (obj);
+ preview_redraw ();
+ obj = NULL;
+ main_clear_dimension();
+ }
+ return TRUE;
+ }
+ } else {
+ if (event->button == 1) {
+ factory = ((ObjectFactory_t*(*)(guint)) data)(event->state);
+ obj = object_factory_create_object(factory, x, y);
+ preview_set_tmp_obj (obj);
+
+ g_signal_connect(widget, "motion-notify-event",
+ G_CALLBACK(button_motion), factory);
+ }
+ }
+ return FALSE;
+}
+
+ObjectList_t*
+make_object_list(void)
+{
+ return g_new0 (ObjectList_t, 1);
+}
+
+void
+object_list_destruct(ObjectList_t *list)
+{
+ object_list_remove_all(list);
+ g_free(list->list);
+}
+
+ObjectList_t*
+object_list_append_list(ObjectList_t *des, ObjectList_t *src)
+{
+ GList *p;
+ if (!src)
+ return des;
+ for (p = src->list; p; p = p->next)
+ object_list_append(des, object_clone((Object_t*) p->data));
+ object_list_set_changed(des, TRUE);
+ return des;
+}
+
+ObjectList_t*
+object_list_copy(ObjectList_t *des, ObjectList_t *src)
+{
+ if (des)
+ object_list_remove_all(des);
+ else
+ des = make_object_list();
+
+ return object_list_append_list(des, src);
+}
+
+void
+object_list_append(ObjectList_t *list, Object_t *object)
+{
+ object->list = list;
+ list->list = g_list_append(list->list, (gpointer) object);
+ object_list_set_changed(list, TRUE);
+ object_list_callback_call(&list->add_cb, object);
+}
+
+void
+object_list_prepend(ObjectList_t *list, Object_t *object)
+{
+ object->list = list;
+ list->list = g_list_prepend(list->list, (gpointer) object);
+ object_list_set_changed(list, TRUE);
+ object_list_callback_call(&list->add_cb, object);
+}
+
+void
+object_list_insert(ObjectList_t *list, gint position, Object_t *object)
+{
+ object->list = list;
+ list->list = g_list_insert(list->list, (gpointer) object, position);
+ object_list_set_changed(list, TRUE);
+ object_list_callback_call(&list->add_cb, object);
+}
+
+void
+object_list_remove(ObjectList_t *list, Object_t *object)
+{
+ list->list = g_list_remove(list->list, (gpointer) object);
+ object_list_set_changed(list, TRUE);
+ object_list_callback_call(&list->remove_cb, object);
+ object_unref(object);
+}
+
+void
+object_list_remove_link(ObjectList_t *list, GList *link)
+{
+ list->list = g_list_remove_link(list->list, link);
+ object_list_set_changed(list, TRUE);
+ object_list_callback_call(&list->remove_cb, (Object_t*) link->data);
+}
+
+void
+object_list_update(ObjectList_t *list, Object_t *object)
+{
+ object_list_callback_call(&list->update_cb, object);
+}
+
+void
+object_list_draw(ObjectList_t *list, cairo_t *cr)
+{
+ GList *p;
+ for (p = list->list; p; p = p->next)
+ object_draw((Object_t*) p->data, cr);
+}
+
+void
+object_list_draw_selected(ObjectList_t *list, cairo_t *cr)
+{
+ GList *p;
+ for (p = list->list; p; p = p->next) {
+ Object_t *obj = (Object_t*) p->data;
+ if (obj->selected)
+ object_draw(obj, cr);
+ }
+}
+
+Object_t*
+object_list_find(ObjectList_t *list, gint x, gint y)
+{
+ Object_t *found = NULL;
+ GList *p;
+ for (p = list->list; p; p = p->next) {
+ Object_t *obj = (Object_t*) p->data;
+ if (obj->class->point_is_on(obj, x, y))
+ found = obj;
+ }
+ return found;
+}
+
+Object_t*
+object_list_near_sash(ObjectList_t *list, gint x, gint y,
+ MoveSashFunc_t *sash_func)
+{
+ Object_t *found = NULL;
+ GList *p;
+ for (p = list->list; p; p = p->next) {
+ Object_t *obj = (Object_t*) p->data;
+ if (obj->selected) {
+ MoveSashFunc_t func = obj->class->near_sash(obj, x, y);
+ if (func) {
+ found = obj;
+ *sash_func = func;
+ }
+ }
+ }
+ return found;
+}
+
+void
+object_list_remove_all(ObjectList_t *list)
+{
+ GList *p;
+ for (p = list->list; p; p = p->next) {
+ Object_t *obj = (Object_t*) p->data;
+ object_list_callback_call(&list->remove_cb, obj);
+ object_unref(obj);
+ }
+ g_list_free(list->list);
+ list->list = NULL;
+ object_list_set_changed(list, TRUE);
+}
+
+void
+clear_paste_buffer(void)
+{
+ if (_paste_buffer)
+ object_list_remove_all(_paste_buffer);
+ else
+ _paste_buffer = make_object_list();
+}
+
+ObjectList_t*
+get_paste_buffer(void)
+{
+ return _paste_buffer;
+}
+
+gint
+object_list_cut(ObjectList_t *list)
+{
+ GList *p, *q;
+ gint count = 0;
+
+ clear_paste_buffer();
+ for (p = list->list; p; p = q) {
+ Object_t *obj = (Object_t*) p->data;
+ q = p->next;
+ if (obj->selected) {
+ if (obj->locked) {
+ do_object_locked_dialog();
+ } else {
+ object_list_append(_paste_buffer, obj);
+ object_list_remove_link(list, p);
+ count++;
+ }
+ }
+ }
+ object_list_set_changed(list, (count) ? TRUE : FALSE);
+ return count;
+}
+
+void
+object_list_copy_to_paste_buffer(ObjectList_t *list)
+{
+ GList *p;
+
+ clear_paste_buffer();
+ for (p = list->list; p; p = p->next) {
+ Object_t *obj = (Object_t*) p->data;
+ if (obj->selected)
+ object_list_append(_paste_buffer, object_clone(obj));
+ }
+}
+
+void
+object_list_paste(ObjectList_t *list)
+{
+ object_list_append_list(list, _paste_buffer);
+}
+
+void
+object_list_delete_selected(ObjectList_t *list)
+{
+ GList *p, *q;
+ for (p = list->list; p; p = q) {
+ Object_t *obj = (Object_t*) p->data;
+ q = p->next;
+ if (obj->selected) {
+ if (obj->locked) {
+ do_object_locked_dialog();
+ } else {
+ object_list_remove_link(list, p);
+ object_unref(obj);
+ }
+ }
+ }
+}
+
+void
+object_list_edit_selected(ObjectList_t *list)
+{
+ GList *p;
+ for (p = list->list; p; p = p->next) {
+ Object_t *obj = (Object_t*) p->data;
+ if (obj->selected) {
+ object_edit(obj, TRUE);
+ break;
+ }
+ }
+}
+
+gint
+object_list_select_all(ObjectList_t *list)
+{
+ GList *p;
+ gint count = 0;
+ for (p = list->list; p; p = p->next) {
+ Object_t *obj = (Object_t*) p->data;
+ if (!obj->selected) {
+ object_select(obj);
+ count++;
+ }
+ }
+ return count;
+}
+
+void
+object_list_select_next(ObjectList_t *list)
+{
+ GList *p;
+ for (p = list->list; p; p = p->next) {
+ Object_t *obj = (Object_t*) p->data;
+ if (obj->selected) {
+ object_unselect(obj);
+ p = (p->next) ? p->next : list->list;
+ object_select((Object_t*) p->data);
+ for (p = p->next; p; p = p->next) {
+ obj = (Object_t*) p->data;
+ if (obj->selected)
+ object_unselect(obj);
+ }
+ break;
+ }
+ }
+}
+
+void object_list_select_prev(ObjectList_t *list)
+{
+ GList *p;
+ for (p = list->list; p; p = p->next) {
+ Object_t *obj = (Object_t*) p->data;
+ if (obj->selected) {
+ GList *q = (p->prev) ? p->prev : g_list_last(list->list);
+ for (; p; p = p->next) {
+ obj = (Object_t*) p->data;
+ if (obj->selected)
+ object_unselect(obj);
+ }
+ object_select((Object_t*) q->data);
+ break;
+ }
+ }
+}
+
+gint
+object_list_select_region(ObjectList_t *list, gint x, gint y, gint width,
+ gint height)
+{
+ GList *p;
+ gint count = 0;
+ for (p = list->list; p; p = p->next) {
+ Object_t *obj = (Object_t*) p->data;
+ gint obj_x, obj_y, obj_width, obj_height;
+
+ object_get_dimensions(obj, &obj_x, &obj_y, &obj_width, &obj_height);
+ if (obj_x >= x && obj_x + obj_width <= x + width &&
+ obj_y >= y && obj_y + obj_height <= y + height) {
+ object_select(obj);
+ count++;
+ }
+ }
+ return count;
+}
+
+gint
+object_list_deselect_all(ObjectList_t *list, Object_t *exception)
+{
+ GList *p;
+ gint count = 0;
+ for (p = list->list; p; p = p->next) {
+ Object_t *obj = (Object_t*) p->data;
+ if (obj->selected && obj != exception) {
+ object_unselect(obj);
+ count++;
+ }
+ }
+ return count;
+}
+
+gint
+object_list_nr_selected(ObjectList_t *list)
+{
+ GList *p;
+ gint count = 0;
+ for (p = list->list; p; p = p->next) {
+ Object_t *obj = (Object_t*) p->data;
+ if (obj->selected)
+ count++;
+ }
+ return count;
+}
+
+void
+object_list_resize(ObjectList_t *list, gint percentage_x, gint percentage_y)
+{
+ GList *p;
+ for (p = list->list; p; p = p->next) {
+ Object_t *obj = (Object_t*) p->data;
+ object_resize(obj, percentage_x, percentage_y);
+ }
+}
+
+static void
+object_list_swap_prev(ObjectList_t *list, GList *p)
+{
+ gpointer swap = p->data;
+ p->data = p->prev->data;
+ p->prev->data = swap;
+ object_list_callback_call(&list->move_cb, (Object_t*) p->data);
+ object_list_callback_call(&list->move_cb, (Object_t*) p->prev->data);
+}
+
+static void
+object_list_swap_next(ObjectList_t *list, GList *p)
+{
+ gpointer swap = p->data;
+ p->data = p->next->data;
+ p->next->data = swap;
+ object_list_callback_call(&list->move_cb, (Object_t*) p->data);
+ object_list_callback_call(&list->move_cb, (Object_t*) p->next->data);
+}
+
+void
+object_list_move_selected(ObjectList_t *list, gint dx, gint dy)
+{
+ GList *p;
+ for (p = list->list; p; p = p->next) {
+ Object_t *obj = (Object_t*) p->data;
+ if (obj->selected)
+ object_move(obj, dx, dy);
+ }
+}
+
+void
+object_list_move_up(ObjectList_t *list, Object_t *obj)
+{
+ GList *p = g_list_find(list->list, (gpointer) obj);
+ object_list_swap_prev(list, p);
+}
+
+void
+object_list_move_down(ObjectList_t *list, Object_t *obj)
+{
+ GList *p = g_list_find(list->list, (gpointer) obj);
+ object_list_swap_next(list, p);
+}
+
+void
+object_list_move_selected_up(ObjectList_t *list)
+{
+ GList *p;
+
+ for (p = list->list; p; p = p->next) {
+ Object_t *obj = (Object_t*) p->data;
+ if (obj->selected && p->prev)
+ object_list_swap_prev(list, p);
+ }
+}
+
+void
+object_list_move_selected_down(ObjectList_t *list)
+{
+ GList *p;
+
+ for (p = g_list_last(list->list); p; p = p->prev) {
+ Object_t *obj = (Object_t*) p->data;
+ if (obj->selected && p->next)
+ object_list_swap_next(list, p);
+ }
+}
+
+void
+object_list_move_to_front(ObjectList_t *list)
+{
+ GList *p, *q;
+ guint length = g_list_length(list->list);
+
+ for (p = list->list; length; p = q, length--) {
+ Object_t *obj = (Object_t*) p->data;
+ q = p->next;
+ if (obj->selected) {
+ object_list_remove_link(list, p);
+ object_list_append(list, obj);
+ }
+ }
+}
+
+void
+object_list_send_to_back(ObjectList_t *list)
+{
+ GList *p, *q;
+ guint length = g_list_length(list->list);
+
+ for (p = list->list; length; p = q, length--) {
+ Object_t *obj = (Object_t*) p->data;
+ q = p->next;
+ if (obj->selected) {
+ object_list_remove_link(list, p);
+ object_list_prepend(list, obj);
+ }
+ }
+}
+
+void
+object_list_move_sash_selected(ObjectList_t *list, gint dx, gint dy)
+{
+ GList *p;
+ for (p = list->list; p; p = p->next) {
+ Object_t *obj = (Object_t*) p->data;
+ if (obj->selected)
+ object_move_sash(obj, dx, dy);
+ }
+}
+
+static void
+write_xml_attrib(const gchar *attrib, const gchar *value,
+ const gchar *default_text, gpointer param,
+ OutputFunc_t output)
+{
+ if (*value) {
+ gchar *escaped_value = g_markup_escape_text(value, -1);
+ output(param, " %s=\"%s\"", attrib, escaped_value);
+ g_free(escaped_value);
+ } else if (*default_text) {
+ output(param, " %s", default_text);
+ }
+}
+
+void
+object_list_write_csim(ObjectList_t *list, gpointer param, OutputFunc_t output)
+{
+ GList *p;
+ for (p = list->list; p; p = p->next) {
+ Object_t *obj = (Object_t*) p->data;
+
+ output(param, "<area shape=");
+ obj->class->write_csim(obj, param, output);
+
+ write_xml_attrib("alt", obj->comment, "", param, output);
+ write_xml_attrib("target", obj->target, "", param, output);
+ write_xml_attrib("onmouseover", obj->mouse_over, "", param, output);
+ write_xml_attrib("onmouseout", obj->mouse_out, "", param, output);
+ write_xml_attrib("onfocus", obj->focus, "", param, output);
+ write_xml_attrib("onblur", obj->blur, "", param, output);
+ write_xml_attrib("href", obj->url, " nohref=\"nohref\"", param, output);
+ output(param," />\n");
+ }
+}
+
+void
+object_list_write_cern(ObjectList_t *list, gpointer param, OutputFunc_t output)
+{
+ GList *p;
+ for (p = list->list; p; p = p->next) {
+ Object_t *obj = (Object_t*) p->data;
+ obj->class->write_cern(obj, param, output);
+ output(param, " %s\n", obj->url);
+ }
+}
+
+void
+object_list_write_ncsa(ObjectList_t *list, gpointer param, OutputFunc_t output)
+{
+ GList *p;
+ for (p = list->list; p; p = p->next) {
+ Object_t *obj = (Object_t*) p->data;
+
+ if (*obj->comment)
+ output(param, "# %s\n", obj->comment);
+ obj->class->write_ncsa(obj, param, output);
+ output(param, "\n");
+ }
+}