void diagram_unconnect_selected(Diagram *dia) { GList *list; list = dia->data->selected; while (list!=NULL) { DiaObject *selected_obj = (DiaObject *) list->data; int i; for (i=0; i<selected_obj->num_handles; i++) { Handle *handle = selected_obj->handles[i]; if ((handle->connected_to != NULL) && (handle->connect_type == HANDLE_CONNECTABLE)){ /* don't do this if type is HANDLE_CONNECTABLE_BREAK */ if (!diagram_is_selected(dia, handle->connected_to->object)) { Change *change = undo_unconnect(dia, selected_obj, handle); (change->apply)(change, dia); } } } list = g_list_next(list); } }
/* Remove connections from obj to objects outside created group. */ static void strip_connections(DiaObject *obj, GList *not_strip_list, Diagram *dia) { int i; Handle *handle; Change *change; for (i=0;i<obj->num_handles;i++) { handle = obj->handles[i]; if ((handle->connected_to != NULL) && (g_list_find(not_strip_list, handle->connected_to->object)==NULL)) { change = undo_unconnect(dia, obj, handle); (change->apply)(change, dia); } } }
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 diagram_selected_break_external(Diagram *dia) { GList *list; GList *connected_list; DiaObject *obj; DiaObject *other_obj; int i,j; list = dia->data->selected; while (list != NULL) { obj = (DiaObject *)list->data; /* Break connections between this object and objects not selected: */ for (i=0;i<obj->num_handles;i++) { ConnectionPoint *con_point; con_point = obj->handles[i]->connected_to; if ( con_point == NULL ) break; /* Not connected */ other_obj = con_point->object; if (g_list_find(dia->data->selected, other_obj) == NULL) { /* other_obj is not selected, break connection */ Change *change = undo_unconnect(dia, obj, obj->handles[i]); (change->apply)(change, dia); object_add_updates(obj, dia); } } /* Break connections from non selected objects to this object: */ for (i=0;i<obj->num_connections;i++) { connected_list = obj->connections[i]->connected; while (connected_list != NULL) { other_obj = (DiaObject *)connected_list->data; if (g_list_find(dia->data->selected, other_obj) == NULL) { /* other_obj is not in list, break all connections to obj from other_obj */ for (j=0;j<other_obj->num_handles;j++) { ConnectionPoint *con_point; con_point = other_obj->handles[j]->connected_to; if (con_point && (con_point->object == obj)) { Change *change; connected_list = g_list_previous(connected_list); change = undo_unconnect(dia, other_obj, other_obj->handles[j]); (change->apply)(change, dia); if (connected_list == NULL) connected_list = obj->connections[i]->connected; } } } connected_list = g_list_next(connected_list); } } list = g_list_next(list); } }