void diagram_group_selected(Diagram *dia)
{
GList *list;
GList *group_list;
DiaObject *group;
DiaObject *obj;
GList *orig_list;
Change *change;
if (g_list_length(dia->data->selected) < 1) {
message_error(_("Trying to group with no selected objects."));
return;
}
#if 0
/* the following is wrong as it screws up the selected list, see bug #153525
* I just don't get what was originally intented so please speak up if you know --hb
*/
dia->data->selected = parent_list_affected(dia->data->selected);
#endif
orig_list = g_list_copy(dia->data->active_layer->objects);
/* We have to rebuild the selection list so that it is the same
order as in the Diagram list. */
group_list = diagram_get_sorted_selected_remove(dia);
list = group_list;
while (list != NULL) {
obj = (DiaObject *)list->data;
/* Remove connections from obj to objects outside created group. */
/* strip_connections sets up its own undo info. */
/* The connections aren't reattached by ungroup. */
strip_connections(obj, dia->data->selected, dia);
list = g_list_next(list);
}
/* Remove list of selected objects */
textedit_remove_focus_all(dia);
data_remove_all_selected(dia->data);
group = group_create(group_list);
change = undo_group_objects(dia, group_list, group, orig_list);
(change->apply)(change, dia);
/* Select the created group */
diagram_select(dia, group);
diagram_modified(dia);
diagram_flush(dia);
undo_set_transactionpoint(dia->undo);
}
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
modify_motion (ModifyTool *tool,
GdkEventMotion *event,
DDisplay *ddisp)
{
Point to;
Point now, delta, full_delta;
gboolean auto_scroll, vertical = FALSE;
ConnectionPoint *connectionpoint = NULL;
ObjectChange *objchange = NULL;
ddisplay_untransform_coords(ddisp, event->x, event->y, &to.x, &to.y);
if (tool->state==STATE_NONE) {
DiaObject *obj = NULL;
Handle *handle = NULL;
diagram_find_closest_handle (ddisp->diagram, &handle, &obj, &to);
if (handle && handle->type != HANDLE_NON_MOVABLE
&& handle->id >= HANDLE_RESIZE_NW && handle->id <= HANDLE_RESIZE_SE
&& handle_is_clicked(ddisp, handle, &to)
&& g_list_length (ddisp->diagram->data->selected) == 1)
ddisplay_set_all_cursor (get_direction_cursor (CURSOR_DIRECTION_0 + handle->id));
else
ddisplay_set_all_cursor_name (NULL, "default");
return; /* Fast path... */
}
auto_scroll = ddisplay_autoscroll(ddisp, event->x, event->y);
if (!modify_move_already(tool, ddisp, &to)) return;
switch (tool->state) {
case STATE_MOVE_OBJECT:
if (tool->orig_pos == NULL) {
GList *list, *pla;
int i;
DiaObject *obj;
/* consider non-selected children affected */
pla = list = parent_list_affected(ddisp->diagram->data->selected);
tool->orig_pos = g_new(Point, g_list_length(list));
i=0;
while (list != NULL) {
obj = (DiaObject *) list->data;
tool->orig_pos[i] = obj->position;
list = g_list_next(list); i++;
}
g_list_free (pla);
}
if (tool->break_connections)
diagram_unconnect_selected(ddisp->diagram); /* Pushes UNDO info */
if (gdk_event_to_dia_ModifierKeys (event->state) & MODIFIER_CONTROL) {
full_delta = to;
point_sub(&full_delta, &tool->start_at);
vertical = (fabs(full_delta.x) < fabs(full_delta.y));
}
point_add(&to, &tool->move_compensate);
snap_to_grid(ddisp, &to.x, &to.y);
now = tool->object->position;
delta = to;
point_sub(&delta, &now);
if (gdk_event_to_dia_ModifierKeys (event->state) & MODIFIER_CONTROL) {
/* Up-down or left-right */
if (vertical) {
delta.x = tool->start_at.x + tool->move_compensate.x - now.x;
} else {
delta.y = tool->start_at.y + tool->move_compensate.y - now.y;
}
}
object_add_updates_list(ddisp->diagram->data->selected, ddisp->diagram);
objchange = object_list_move_delta(ddisp->diagram->data->selected, &delta);
if (objchange != NULL) {
undo_object_change(ddisp->diagram, tool->object, objchange);
}
object_add_updates_list(ddisp->diagram->data->selected, ddisp->diagram);
object_add_updates(tool->object, ddisp->diagram);
/* Put current mouse position in status bar */
{
gchar *postext;
GtkStatusbar *statusbar = GTK_STATUSBAR (ddisp->modified_status);
guint context_id = gtk_statusbar_get_context_id (statusbar, "ObjectPos");
gtk_statusbar_pop (statusbar, context_id);
postext = g_strdup_printf("%.3f, %.3f - %.3f, %.3f",
tool->object->bounding_box.left,
tool->object->bounding_box.top,
tool->object->bounding_box.right,
tool->object->bounding_box.bottom);
gtk_statusbar_pop (statusbar, context_id);
gtk_statusbar_push (statusbar, context_id, postext);
g_free(postext);
}
diagram_update_connections_selection(ddisp->diagram);
diagram_flush(ddisp->diagram);
break;
case STATE_MOVE_HANDLE:
full_delta = to;
point_sub(&full_delta, &tool->start_at);
/* make sure resizing is restricted to its parent */
/* if resize was blocked by parent, that means the resizing was
outward, thus it won't bother the children so we don't have to
check the children */
if (!parent_handle_move_out_check(tool->object, &to))
parent_handle_move_in_check(tool->object, &to, &tool->start_at);
if (gdk_event_to_dia_ModifierKeys (event->state) & MODIFIER_CONTROL)
vertical = (fabs(full_delta.x) < fabs(full_delta.y));
highlight_reset_all(ddisp->diagram);
if ((tool->handle->connect_type != HANDLE_NONCONNECTABLE)) {
/* Move to ConnectionPoint if near: */
connectionpoint = object_find_connectpoint_display (ddisp,
&to,
tool->object, TRUE);
if (connectionpoint != NULL) {
DiaHighlightType type;
to = connectionpoint->pos;
if (connectionpoint->flags & CP_FLAGS_MAIN) {
type = DIA_HIGHLIGHT_CONNECTIONPOINT_MAIN;
} else {
type = DIA_HIGHLIGHT_CONNECTIONPOINT;
}
highlight_object(connectionpoint->object, type, ddisp->diagram);
ddisplay_set_all_cursor_name (NULL, "crosshair");
}
}
if (connectionpoint == NULL) {
/* No connectionopoint near, then snap to grid (if enabled) */
snap_to_grid(ddisp, &to.x, &to.y);
ddisplay_set_all_cursor_name (NULL, "move");
}
if (tool->break_connections) {
/* break connections to the handle currently selected. */
if (tool->handle->connected_to!=NULL) {
Change *change = undo_unconnect (ddisp->diagram,
tool->object,
tool->handle);
(change->apply)(change, ddisp->diagram);
}
}
if (gdk_event_to_dia_ModifierKeys (event->state) & MODIFIER_CONTROL) {
/* Up-down or left-right */
if (vertical) {
to.x = tool->start_at.x;
} else {
to.y = tool->start_at.y;
}
}
if (tool->orig_pos == NULL) {
tool->orig_pos = g_new(Point, 1);
*tool->orig_pos = tool->handle->pos;
}
/* Put current mouse position in status bar */
{
gchar *postext;
GtkStatusbar *statusbar = GTK_STATUSBAR (ddisp->modified_status);
guint context_id = gtk_statusbar_get_context_id (statusbar, "ObjectPos");
if (tool->object) { /* play safe */
real w = tool->object->bounding_box.right - tool->object->bounding_box.left;
real h = tool->object->bounding_box.bottom - tool->object->bounding_box.top;
postext = g_strdup_printf("%.3f, %.3f (%.3fx%.3f)", to.x, to.y, w, h);
} else {
postext = g_strdup_printf("%.3f, %.3f", to.x, to.y);
}
gtk_statusbar_pop (statusbar, context_id);
gtk_statusbar_push (statusbar, context_id, postext);
g_free(postext);
}
object_add_updates(tool->object, ddisp->diagram);
/* Handle undo */
if (tool->object)
objchange = tool->object->ops->move_handle(tool->object, tool->handle,
&to, connectionpoint,
HANDLE_MOVE_USER, 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);
diagram_update_connections_selection(ddisp->diagram);
diagram_flush(ddisp->diagram);
break;
case STATE_BOX_SELECT:
tool->end_box = to;
ddisplay_transform_coords (ddisp,
MIN (tool->start_box.x, tool->end_box.x),
MIN (tool->start_box.y, tool->end_box.y),
&tool->x1, &tool->y1);
ddisplay_transform_coords (ddisp,
MAX (tool->start_box.x, tool->end_box.x),
MAX (tool->start_box.y, tool->end_box.y),
&tool->x2, &tool->y2);
dia_interactive_renderer_set_selection (ddisp->renderer,
TRUE,
tool->x1,
tool->y1,
tool->x2 - tool->x1,
tool->y2 - tool->y1);
ddisplay_flush (ddisp);
break;
case STATE_NONE:
break;
default:
message_error("Internal error: Strange state in modify_tool\n");
}
tool->last_to = to;
tool->auto_scrolled = auto_scroll;
}
void Panel::mouseMoveEvent(QMouseEvent *e)
{
QWidget::mouseMoveEvent(e);
if (m_data->state == STATE_NONE)
return;
// 坐标转换
QPointF clickedPos = untransformCoords(e->posF());
IView *view = m_data->view;
switch(m_data->state) {
case STATE_MOVE_OBJECT:
{
Object *obj = m_data->object;
IDoc *doc = m_data->doc;
Handle *handle = m_data->handle;
QPointF pos = clickedPos;
std::list<Object *> tmp =
m_data->graphData->selectedObjects();
std::list<Object *> list = parent_list_affected(
tmp);
// 当是包含子对象的图元被移动的时候
// 子对象也一起移动
if (list.size() > 1) {
Object::object_add_updates_list(list, doc);
//鼠标移动的差值
QPointF offset = pos - m_data->startAt;
QPointF targetPos = m_data->origPos + offset;
//对象移动的差值
QPointF delta = targetPos - obj->pos();
//qDebug() << delta;
Object::object_list_move_delta(list, &delta);
Object::object_add_updates_list(list, doc);
} else {
// 否则，只移动对象本身
obj->addUpdates(doc);
//鼠标移动的差值
QPointF offset = pos - m_data->startAt;
QPointF targetPos = m_data->origPos + offset;
obj->move(&targetPos);
obj->addUpdates(doc);
}
doc->flush();
update();
}
break;
case STATE_MOVE_HANDLE:
{
Object *obj = m_data->object;
IDoc *doc = m_data->doc;
Handle *handle = m_data->handle;
QPointF pos = clickedPos;
obj->addUpdates(doc);
obj->moveHandle(handle, &pos,
GraphLib::HANDLE_MOVE_USER);
obj->addUpdates(doc);
doc->flush();
update();
}
break;
case STATE_NONE:
break;
};
}
static void
newgroup_update_data(NewGroup *group)
{
Element *elem = &group->element;
/* ElementBBExtras *extra = &elem->extra_spacing; */
DiaObject *obj = &elem->object;
/* Update connections: */
group->connections[0].pos.x = elem->corner.x;
group->connections[0].pos.y = elem->corner.y;
group->connections[1].pos.x = elem->corner.x + elem->width / 2.0;
group->connections[1].pos.y = elem->corner.y;
group->connections[2].pos.x = elem->corner.x + elem->width;
group->connections[2].pos.y = elem->corner.y;
group->connections[3].pos.x = elem->corner.x;
group->connections[3].pos.y = elem->corner.y + elem->height / 2.0;
group->connections[4].pos.x = elem->corner.x + elem->width;
group->connections[4].pos.y = elem->corner.y + elem->height / 2.0;
group->connections[5].pos.x = elem->corner.x;
group->connections[5].pos.y = elem->corner.y + elem->height;
group->connections[6].pos.x = elem->corner.x + elem->width / 2.0;
group->connections[6].pos.y = elem->corner.y + elem->height;
group->connections[7].pos.x = elem->corner.x + elem->width;
group->connections[7].pos.y = elem->corner.y + elem->height;
group->connections[8].pos.x = elem->corner.x + elem->width / 2.0;
group->connections[8].pos.y = elem->corner.y + elem->height / 2.0;
group->connections[0].directions = DIR_NORTH|DIR_WEST;
group->connections[1].directions = DIR_NORTH;
group->connections[2].directions = DIR_NORTH|DIR_EAST;
group->connections[3].directions = DIR_WEST;
group->connections[4].directions = DIR_EAST;
group->connections[5].directions = DIR_SOUTH|DIR_WEST;
group->connections[6].directions = DIR_SOUTH;
group->connections[7].directions = DIR_SOUTH|DIR_EAST;
group->connections[8].directions = DIR_ALL;
element_update_boundingbox(elem);
obj->position = elem->corner;
element_update_handles(elem);
if (group->is_open) {
obj->flags &= ~DIA_OBJECT_GRABS_CHILD_INPUT;
} else {
gboolean newlySet = FALSE;
Layer *layer;
if (!object_flags_set(obj, DIA_OBJECT_GRABS_CHILD_INPUT)) {
newlySet = TRUE;
}
obj->flags |= DIA_OBJECT_GRABS_CHILD_INPUT;
if (newlySet) {
layer = dia_object_get_parent_layer(obj);
if (layer != NULL) { /* Placed in diagram already */
GList *children = g_list_prepend(NULL, obj);
children = parent_list_affected(children);
/* Remove the group object that stayed at the start of the list,
leaving only the children */
children = g_list_remove_link(children, children);
#if 0 /* this introduces a crircular dependency, does not work on win32 and is bad style everywhere */
diagram_unselect_objects(layer_get_parent_diagram(layer), children);
#else
g_warning ("used to call diagram_unselect_objects()");
#endif
g_list_free(children);
}
}
}
}
/*
This function deletes specified objects along with any children
they might have.
undo_delete_objects() only deletes the objects that are specified.
*/
Change *
undo_delete_objects_children(Diagram *dia, GList *obj_list)
{
return undo_delete_objects(dia, parent_list_affected(obj_list));
}