void
ddisplay_connect_selected(DDisplay *ddisp)
{
GList *list;
list = ddisp->diagram->data->selected;
while (list!=NULL) {
DiaObject *selected_obj = (DiaObject *) list->data;
int i;
for (i=0; i<selected_obj->num_handles; i++) {
if (selected_obj->handles[i]->connect_type != HANDLE_NONCONNECTABLE) {
object_connect_display(ddisp, selected_obj, selected_obj->handles[i], FALSE);
}
}
list = g_list_next(list);
}
}
static void
modify_button_release(ModifyTool *tool, GdkEventButton *event,
DDisplay *ddisp)
{
Point *dest_pos, to;
GList *list;
int i;
ObjectChange *objchange;
tool->break_connections = FALSE;
ddisplay_set_all_cursor(default_cursor);
/* remove position from status bar */
{
GtkStatusbar *statusbar = GTK_STATUSBAR (ddisp->modified_status);
guint context_id = gtk_statusbar_get_context_id (statusbar, "ObjectPos");
gtk_statusbar_pop (statusbar, context_id);
}
switch (tool->state) {
case STATE_MOVE_OBJECT:
/* Return to normal state */
gdk_pointer_ungrab (event->time);
ddisplay_untransform_coords(ddisp, event->x, event->y, &to.x, &to.y);
if (!modify_move_already(tool, ddisp, &to)) {
tool->orig_pos = NULL;
tool->state = STATE_NONE;
return;
}
diagram_update_connections_selection(ddisp->diagram);
if (tool->orig_pos != NULL) {
/* consider the non-selected children affected */
list = parent_list_affected(ddisp->diagram->data->selected);
dest_pos = g_new(Point, g_list_length(list));
i=0;
while (list != NULL) {
DiaObject *obj = (DiaObject *) list->data;
dest_pos[i] = obj->position;
list = g_list_next(list); i++;
}
undo_move_objects(ddisp->diagram, tool->orig_pos, dest_pos,
parent_list_affected(ddisp->diagram->data->selected));
}
ddisplay_connect_selected(ddisp); /* pushes UNDO info */
diagram_update_extents(ddisp->diagram);
diagram_modified(ddisp->diagram);
diagram_flush(ddisp->diagram);
undo_set_transactionpoint(ddisp->diagram->undo);
tool->orig_pos = NULL;
tool->state = STATE_NONE;
break;
case STATE_MOVE_HANDLE:
gdk_pointer_ungrab (event->time);
tool->state = STATE_NONE;
if (tool->orig_pos != NULL) {
undo_move_handle(ddisp->diagram, tool->handle, tool->object,
*tool->orig_pos, tool->last_to, gdk_event_to_dia_ModifierKeys(event->state));
}
/* Final move: */
object_add_updates(tool->object, ddisp->diagram);
objchange = tool->object->ops->move_handle(tool->object, tool->handle,
&tool->last_to, NULL,
HANDLE_MOVE_USER_FINAL,gdk_event_to_dia_ModifierKeys(event->state));
if (objchange != NULL) {
undo_object_change(ddisp->diagram, tool->object, objchange);
}
object_add_updates(tool->object, ddisp->diagram);
/* Connect if possible: */
if (tool->handle->connect_type != HANDLE_NONCONNECTABLE) {
object_connect_display(ddisp, tool->object, tool->handle, TRUE); /* pushes UNDO info */
diagram_update_connections_selection(ddisp->diagram);
}
highlight_reset_all(ddisp->diagram);
diagram_flush(ddisp->diagram);
diagram_modified(ddisp->diagram);
diagram_update_extents(ddisp->diagram);
undo_set_transactionpoint(ddisp->diagram->undo);
if (tool->orig_pos != NULL) {
g_free(tool->orig_pos);
tool->orig_pos = NULL;
}
break;
case STATE_BOX_SELECT:
gdk_pointer_ungrab (event->time);
/* Remove last box: */
dia_interactive_renderer_set_selection (ddisp->renderer,
FALSE, 0, 0, 0, 0);
{
GList *list, *list_to_free;
list = list_to_free = find_selected_objects(ddisp, tool);
if (selection_style == SELECT_REPLACE &&
!(event->state & GDK_SHIFT_MASK)) {
/* Not Multi-select => Remove all selected */
diagram_remove_all_selected(ddisp->diagram, TRUE);
}
if (selection_style == SELECT_INTERSECTION) {
GList *intersection = NULL;
while (list != NULL) {
DiaObject *obj = (DiaObject *)list->data;
if (diagram_is_selected(ddisp->diagram, obj)) {
intersection = g_list_append(intersection, obj);
}
list = g_list_next(list);
}
list = intersection;
diagram_remove_all_selected(ddisp->diagram, TRUE);
while (list != NULL) {
DiaObject *obj = (DiaObject *)list->data;
diagram_select(ddisp->diagram, obj);
list = g_list_next(list);
}
g_list_free(intersection);
} else {
while (list != NULL) {
DiaObject *obj = (DiaObject *)list->data;
if (selection_style == SELECT_REMOVE) {
if (diagram_is_selected(ddisp->diagram, obj))
diagram_unselect_object(ddisp->diagram, obj);
} else if (selection_style == SELECT_INVERT) {
if (diagram_is_selected(ddisp->diagram, obj))
diagram_unselect_object(ddisp->diagram, obj);
else
diagram_select(ddisp->diagram, obj);
} else {
if (!diagram_is_selected(ddisp->diagram, obj))
diagram_select(ddisp->diagram, obj);
}
list = g_list_next(list);
}
}
g_list_free(list_to_free);
}
ddisplay_do_update_menu_sensitivity(ddisp);
ddisplay_flush(ddisp);
tool->state = STATE_NONE;
break;
case STATE_NONE:
break;
default:
message_error("Internal error: Strange state in modify_tool\n");
}
}
static void
create_object_button_press(CreateObjectTool *tool, GdkEventButton *event,
DDisplay *ddisp)
{
Point clickedpoint, origpoint;
Handle *handle1;
Handle *handle2;
DiaObject *obj;
real click_distance;
ddisplay_untransform_coords(ddisp,
(int)event->x, (int)event->y,
&clickedpoint.x, &clickedpoint.y);
origpoint = clickedpoint;
snap_to_grid(ddisp, &clickedpoint.x, &clickedpoint.y);
click_distance = ddisplay_untransform_length(ddisp, 3.0);
obj = dia_object_default_create (tool->objtype, &clickedpoint,
tool->user_data,
&handle1, &handle2);
tool->obj = obj; /* ensure that tool->obj is initialised in case we
return early. */
if (!obj) {
tool->moving = FALSE;
tool->handle = NULL;
message_error(_("'%s' creation failed"), tool->objtype ? tool->objtype->name : "NULL");
return;
}
diagram_add_object(ddisp->diagram, obj);
/* Try a connect */
if (handle1 != NULL &&
handle1->connect_type != HANDLE_NONCONNECTABLE) {
ConnectionPoint *connectionpoint;
connectionpoint =
object_find_connectpoint_display(ddisp, &origpoint, obj, TRUE);
if (connectionpoint != NULL) {
(obj->ops->move)(obj, &origpoint);
}
}
if (!(event->state & GDK_SHIFT_MASK)) {
/* Not Multi-select => remove current selection */
diagram_remove_all_selected(ddisp->diagram, TRUE);
}
diagram_select(ddisp->diagram, obj);
/* Connect first handle if possible: */
if ((handle1!= NULL) &&
(handle1->connect_type != HANDLE_NONCONNECTABLE)) {
object_connect_display(ddisp, obj, handle1, TRUE);
}
object_add_updates(obj, ddisp->diagram);
ddisplay_do_update_menu_sensitivity(ddisp);
diagram_flush(ddisp->diagram);
if (handle2 != NULL) {
tool->handle = handle2;
tool->moving = TRUE;
tool->last_to = handle2->pos;
gdk_pointer_grab (gtk_widget_get_window(ddisp->canvas), FALSE,
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON1_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
NULL, NULL, event->time);
ddisplay_set_all_cursor(get_cursor(CURSOR_SCROLL));
} else {
diagram_update_extents(ddisp->diagram);
tool->moving = FALSE;
}
}
static void
create_object_button_release(CreateObjectTool *tool, GdkEventButton *event,
DDisplay *ddisp)
{
GList *list = NULL;
DiaObject *obj = tool->obj;
gboolean reset;
GList *parent_candidates;
g_return_if_fail (obj != NULL);
if (!obj) /* not sure if this isn't enough */
return; /* could be a legal invariant */
if (tool->moving) {
gdk_pointer_ungrab (event->time);
object_add_updates(tool->obj, ddisp->diagram);
tool->obj->ops->move_handle(tool->obj, tool->handle, &tool->last_to,
NULL, HANDLE_MOVE_CREATE_FINAL, 0);
object_add_updates(tool->obj, ddisp->diagram);
}
parent_candidates =
layer_find_objects_containing_rectangle(obj->parent_layer,
&obj->bounding_box);
/* whole object must be within another object to parent it */
for (; parent_candidates != NULL; parent_candidates = g_list_next(parent_candidates)) {
DiaObject *parent_obj = (DiaObject *) parent_candidates->data;
if (obj != parent_obj
&& object_within_parent(obj, parent_obj)) {
Change *change = undo_parenting(ddisp->diagram, parent_obj, obj, TRUE);
(change->apply)(change, ddisp->diagram);
break;
/*
obj->parent = parent_obj;
parent_obj->children = g_list_append(parent_obj->children, obj);
*/
}
}
g_list_free(parent_candidates);
list = g_list_prepend(list, tool->obj);
undo_insert_objects(ddisp->diagram, list, 1);
if (tool->moving) {
if (tool->handle->connect_type != HANDLE_NONCONNECTABLE) {
object_connect_display(ddisp, tool->obj, tool->handle, TRUE);
diagram_update_connections_selection(ddisp->diagram);
diagram_flush(ddisp->diagram);
}
tool->moving = FALSE;
tool->handle = NULL;
tool->obj = NULL;
}
{
/* remove position from status bar */
GtkStatusbar *statusbar = GTK_STATUSBAR (ddisp->modified_status);
guint context_id = gtk_statusbar_get_context_id (statusbar, "ObjectPos");
gtk_statusbar_pop (statusbar, context_id);
}
highlight_reset_all(ddisp->diagram);
reset = prefs.reset_tools_after_create != tool->invert_persistence;
/* kind of backward: first starting editing to see if it is possible at all, than GUI reflection */
if (textedit_activate_object(ddisp, obj, NULL) && reset) {
gtk_action_activate (menus_get_action ("ToolsTextedit"));
reset = FALSE; /* don't switch off textedit below */
}
diagram_update_extents(ddisp->diagram);
diagram_modified(ddisp->diagram);
undo_set_transactionpoint(ddisp->diagram->undo);
if (reset)
tool_reset();
ddisplay_set_all_cursor(default_cursor);
ddisplay_do_update_menu_sensitivity(ddisp);
}