static gint
properties_apply(GtkWidget *canvas, gpointer data)
{
ObjectChange *obj_change = NULL;
if ( (current_obj == NULL) || (current_dia == NULL) )
return 0;
object_add_updates(current_obj, current_dia);
obj_change = current_obj->ops->apply_properties(current_obj);
object_add_updates(current_obj, current_dia);
diagram_update_connections_object(current_dia, current_obj, TRUE);
if (obj_change != NULL) {
undo_object_change(current_dia, current_obj, obj_change);
}
diagram_modified(current_dia);
diagram_update_extents(current_dia);
if (obj_change != NULL) {
undo_set_transactionpoint(current_dia->undo);
} else {
message_warning(_("This object doesn't support Undo/Redo.\n"
"Undo information erased."));
undo_clear(current_dia->undo);
}
diagram_flush(current_dia);
return 0;
}
/* Match and replace property values. */
static gboolean
_replace (DiaObject *obj, const SearchData *sd, const char *replacement)
{
ObjectChange *obj_change;
GPtrArray *plist = NULL;
plist = _match_props (obj, sd, replacement);
if (!plist)
return FALSE;
/* Refresh screen and free the list of modified properties. */
obj_change = object_apply_props (obj, plist);
prop_list_free (plist);
if (obj_change)
undo_object_change(sd->diagram, obj, obj_change);
object_add_updates(obj, sd->diagram);
diagram_update_connections_object(sd->diagram, obj, TRUE);
diagram_modified(sd->diagram);
diagram_object_modified(sd->diagram, obj);
diagram_update_extents(sd->diagram);
diagram_flush(sd->diagram);
return TRUE;
}
static gint
properties_respond(GtkWidget *widget,
gint response_id,
gpointer data)
{
ObjectChange *obj_change = NULL;
gboolean set_tp = TRUE;
GList *tmp;
if ( response_id == GTK_RESPONSE_APPLY
|| response_id == GTK_RESPONSE_OK) {
if ((current_objects != NULL) && (current_dia != NULL)) {
object_add_updates_list(current_objects, current_dia);
for (tmp = current_objects; tmp != NULL; tmp = tmp->next) {
DiaObject *current_obj = (DiaObject*)tmp->data;
obj_change = current_obj->ops->apply_properties_from_dialog(current_obj, object_part);
object_add_updates(current_obj, current_dia);
diagram_update_connections_object(current_dia, current_obj, TRUE);
if (obj_change != NULL) {
undo_object_change(current_dia, current_obj, obj_change);
set_tp = set_tp && TRUE;
} else
set_tp = FALSE;
diagram_object_modified(current_dia, current_obj);
}
diagram_modified(current_dia);
diagram_update_extents(current_dia);
if (set_tp) {
undo_set_transactionpoint(current_dia->undo);
} else {
message_warning(_("This object doesn't support Undo/Redo.\n"
"Undo information erased."));
undo_clear(current_dia->undo);
}
diagram_flush(current_dia);
}
}
if (response_id != GTK_RESPONSE_APPLY) {
#ifdef G_OS_WIN32
/* on windows we are not hiding the dialog, because shrinking when hidden does
* not work (the dialog shows up with the same size as before, bug #333751) */
gtk_widget_destroy (dialog);
#else
properties_dialog_hide();
#endif
}
return 0;
}
static void
plugin_callback (GtkWidget *widget, gpointer data)
{
DiaCallbackFilter *cbf = data;
/* check if the callback filter is still available */
if (!g_list_find (filter_get_callbacks (), cbf)) {
message_error (_("The function is not available anymore."));
return;
}
/* and finally invoke it */
if (cbf->callback) {
DDisplay *ddisp = NULL;
DiagramData* diadata = NULL;
ObjectChange *change;
/* stuff from the toolbox menu should never get a diagram to modify */
if (strncmp (cbf->menupath, TOOLBOX_MENU, strlen (TOOLBOX_MENU)) != 0) {
ddisp = ddisplay_active();
diadata = ddisp ? ddisp->diagram->data : NULL;
}
change = cbf->callback (diadata, ddisp ? ddisp->diagram->filename : NULL, 0, cbf->user_data);
if (change != NULL) {
if (ddisp) {
undo_object_change(ddisp->diagram, NULL, change);
/*
* - can not call object_add_update() w/o object
* - could call object_add_updates_list() with the selected objects,
* but that would just be an educated guess (layout working on selection)
*/
diagram_add_update_all(ddisp->diagram);
diagram_modified(ddisp->diagram);
diagram_update_extents(ddisp->diagram);
undo_set_transactionpoint(ddisp->diagram->undo);
} else { /* no diagram to keep the change, throw it away */
if (change->free)
change->free(change);
g_free(change);
}
}
}
}
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;
}
