static void item_data_copy (ItemData *dest, ItemData *src)
{
g_return_if_fail (dest != NULL);
g_return_if_fail (IS_ITEM_DATA (dest));
g_return_if_fail (src != NULL);
g_return_if_fail (IS_ITEM_DATA (src));
dest->priv->translate = src->priv->translate;
dest->priv->rotate = src->priv->rotate;
dest->priv->store = NULL;
}
// Create a SheetItem from an ItemData object. This is a bit ugly.
// It could be beautified by having a method that creates the item.
// E.g. sheet_item->new_from_data (data);
SheetItem *
sheet_item_factory_create_sheet_item (Sheet *sheet, ItemData *data)
{
SheetItem *item;
g_return_val_if_fail (data != NULL, NULL);
g_return_val_if_fail (IS_ITEM_DATA (data), NULL);
g_return_val_if_fail (sheet != NULL, NULL);
g_return_val_if_fail (IS_SHEET (sheet), NULL);
item = NULL;
// Pick the right model.
if (IS_PART (data)) {
NG_DEBUG ("sheet_item_factory_create_sheet_item part\n\n");
item = SHEET_ITEM (part_item_new (sheet, PART (data)));
}
else if (IS_WIRE (data)) {
NG_DEBUG ("sheet_item_factory_create_sheet_item wire\n\n");
item = SHEET_ITEM (wire_item_new (sheet, WIRE (data)));
}
else if (IS_TEXTBOX (data)) {
NG_DEBUG ("sheet_item_factory_create_sheet_item text\n\n");
item = SHEET_ITEM (textbox_item_new (sheet, TEXTBOX (data)));
}
else
g_warning ("Unknown Item type.");
return item;
}
// NodeStore *
gpointer item_data_get_store (ItemData *item_data)
{
g_return_val_if_fail (item_data != NULL, NULL);
g_return_val_if_fail (IS_ITEM_DATA (item_data), NULL);
return item_data->priv->store;
}
/**
* \brief snaps to the grid, updates the model if snapping was necessary
*
* \attention this will cause a loop cycle of "changed" signals
* until no more snapping is necessary
*
* @param item_data
* @param grid
*/
void item_data_snap (ItemData *item_data, Grid *grid)
{
gboolean handler_connected;
g_return_if_fail (item_data);
g_return_if_fail (IS_ITEM_DATA (item_data));
g_return_if_fail (grid);
g_return_if_fail (IS_GRID (grid));
if (snap_to_grid (grid, &(item_data->priv->translate.x0), &(item_data->priv->translate.y0))) {
#if 1 // TODO FIXME XXX rename this to "snapped" instead of moved
handler_connected =
g_signal_handler_is_connected (G_OBJECT (item_data), item_data->moved_handler_id);
if (handler_connected) {
g_signal_emit_by_name (G_OBJECT (item_data),
"moved"); // FIXME replace this by a "snapped" signal
}
#endif
handler_connected =
g_signal_handler_is_connected (G_OBJECT (item_data), item_data->changed_handler_id);
if (handler_connected) {
g_signal_emit_by_name (G_OBJECT (item_data), "changed");
}
}
}
static void
wire_changed_callback (Wire *wire, WireItem *item)
{
Coords start_pos, length;
GooCanvasPoints *points;
g_return_if_fail (wire != NULL);
g_return_if_fail (IS_ITEM_DATA (wire));
g_return_if_fail (item != NULL);
g_return_if_fail (IS_WIRE_ITEM (item));
wire_get_pos_and_length (wire, &start_pos, &length);
Sheet *sheet = SHEET (goo_canvas_item_get_canvas (GOO_CANVAS_ITEM (item)));
if (G_UNLIKELY(!sheet)) {
g_warning ("Failed to determine the Sheet the item is glued to. This should never happen. Ever!");
} else {
item_data_snap (ITEM_DATA (wire), sheet->grid);
}
// Move the canvas item and invalidate the bbox cache.
goo_canvas_item_set_simple_transform (GOO_CANVAS_ITEM (item),
start_pos.x,
start_pos.y,
1.0,
0.0);
item->priv->cache_valid = FALSE;
points = goo_canvas_points_new (2);
points->coords[0] = 0;
points->coords[1] = 0;
points->coords[2] = length.x;
points->coords[3] = length.y;
// this does handle cleanup of previous points internally
g_object_set (item->priv->line,
"points", points,
NULL);
goo_canvas_points_unref (points);
g_object_set (item->priv->resize1,
"x", -RESIZER_SIZE,
"y", -RESIZER_SIZE,
"width", 2 * RESIZER_SIZE,
"height", 2 * RESIZER_SIZE,
NULL);
g_object_set (item->priv->resize2,
"x", length.x-RESIZER_SIZE,
"y", length.y-RESIZER_SIZE,
"width", 2 * RESIZER_SIZE,
"height", 2 * RESIZER_SIZE,
NULL);
goo_canvas_item_request_update (GOO_CANVAS_ITEM (item->priv->line));
}
/**
* returns the top left corner of the item
*/
void item_data_get_pos (ItemData *item_data, Coords *pos)
{
g_return_if_fail (item_data != NULL);
g_return_if_fail (IS_ITEM_DATA (item_data));
g_return_if_fail (pos != NULL);
ItemDataPriv *priv;
priv = item_data->priv;
pos->x = priv->translate.x0;
pos->y = priv->translate.y0;
}
void item_data_unregister (ItemData *data)
{
ItemDataClass *id_class;
g_return_if_fail (data != NULL);
g_return_if_fail (IS_ITEM_DATA (data));
id_class = ITEM_DATA_CLASS (G_OBJECT_GET_CLASS (data));
if (id_class->unreg) {
id_class->unreg (data);
}
}
void item_data_flip (ItemData *data, IDFlip direction, Coords *center)
{
ItemDataClass *id_class;
g_return_if_fail (data != NULL);
g_return_if_fail (IS_ITEM_DATA (data));
id_class = ITEM_DATA_CLASS (G_OBJECT_GET_CLASS (data));
if (id_class->flip) {
id_class->flip (data, direction, center);
}
}
void item_data_rotate (ItemData *data, int angle, Coords *center)
{
ItemDataClass *id_class;
g_return_if_fail (data != NULL);
g_return_if_fail (IS_ITEM_DATA (data));
id_class = ITEM_DATA_CLASS (G_OBJECT_GET_CLASS (data));
if (id_class->rotate) {
id_class->rotate (data, angle, center);
}
}
void item_data_set_property (ItemData *data, char *property, char *value)
{
ItemDataClass *id_class;
g_return_if_fail (data != NULL);
g_return_if_fail (IS_ITEM_DATA (data));
id_class = ITEM_DATA_CLASS (G_OBJECT_GET_CLASS (data));
if (id_class->set_property) {
id_class->set_property (data, property, value);
return;
}
}
gboolean item_data_has_properties (ItemData *data)
{
ItemDataClass *id_class;
g_return_val_if_fail (data != NULL, FALSE);
g_return_val_if_fail (IS_ITEM_DATA (data), FALSE);
id_class = ITEM_DATA_CLASS (G_OBJECT_GET_CLASS (data));
if (id_class->has_properties) {
return id_class->has_properties (data);
}
return FALSE;
}
void item_data_print (ItemData *data, cairo_t *cr, SchematicPrintContext *ctx)
{
ItemDataClass *id_class;
g_return_if_fail (data != NULL);
g_return_if_fail (IS_ITEM_DATA (data));
g_return_if_fail (cr != NULL);
id_class = ITEM_DATA_CLASS (G_OBJECT_GET_CLASS (data));
if (id_class->print) {
id_class->print (data, cr, ctx);
}
}
void item_data_move (ItemData *item_data, const Coords *delta)
{
ItemDataPriv *priv;
g_return_if_fail (item_data != NULL);
g_return_if_fail (IS_ITEM_DATA (item_data));
if (delta == NULL)
return;
priv = item_data->priv;
cairo_matrix_translate (&(priv->translate), delta->x, delta->y);
}
/**
* \brief changed, forcefully emits a changed signal to recalculate the morph
*matrix
*
* @param data determines which item to refresh
*
* \note this function does _not_ request a redraw
*/
void item_data_changed (ItemData *data)
{
ItemDataClass *id_class;
g_return_if_fail (data != NULL);
g_return_if_fail (IS_ITEM_DATA (data));
id_class = ITEM_DATA_CLASS (G_OBJECT_GET_CLASS (data));
if (id_class->changed == NULL)
return;
return id_class->changed (data);
}
gboolean item_data_register (ItemData *data)
{
ItemDataClass *id_class;
g_return_val_if_fail (data != NULL, FALSE);
g_return_val_if_fail (IS_ITEM_DATA (data), FALSE);
id_class = ITEM_DATA_CLASS (G_OBJECT_GET_CLASS (data));
if (id_class->reg) {
return id_class->reg (data);
}
return FALSE;
}
ItemData *item_data_clone (ItemData *src)
{
ItemDataClass *id_class;
g_return_val_if_fail (src != NULL, NULL);
g_return_val_if_fail (IS_ITEM_DATA (src), NULL);
id_class = ITEM_DATA_CLASS (G_OBJECT_GET_CLASS (src));
if (id_class->clone == NULL)
return NULL;
return id_class->clone (src);
}
char *item_data_get_refdes_prefix (ItemData *data)
{
ItemDataClass *id_class;
g_return_val_if_fail (data != NULL, NULL);
g_return_val_if_fail (IS_ITEM_DATA (data), NULL);
id_class = ITEM_DATA_CLASS (G_OBJECT_GET_CLASS (data));
if (id_class->get_refdes_prefix) {
return id_class->get_refdes_prefix (data);
}
return NULL;
}
static void textbox_text_changed_callback (ItemData *data, gchar *new_text, SheetItem *item)
{
TextboxItem *textbox_item;
g_return_if_fail (data != NULL);
g_return_if_fail (IS_ITEM_DATA (data));
g_return_if_fail (item != NULL);
g_return_if_fail (IS_TEXTBOX_ITEM (item));
textbox_item = TEXTBOX_ITEM (item);
g_object_set (textbox_item->priv->text_canvas_item, "text", new_text, NULL);
goo_canvas_item_ensure_updated (GOO_CANVAS_ITEM (textbox_item));
}
void item_data_get_relative_bbox (ItemData *data, Coords *p1, Coords *p2)
{
g_return_if_fail (data != NULL);
g_return_if_fail (IS_ITEM_DATA (data));
if (p1) {
p1->x = data->priv->bounds.x1;
p1->y = data->priv->bounds.y1;
}
if (p2) {
p2->x = data->priv->bounds.x2;
p2->y = data->priv->bounds.y2;
}
}
void item_data_set_relative_bbox (ItemData *data, Coords *p1, Coords *p2)
{
g_return_if_fail (data != NULL);
g_return_if_fail (IS_ITEM_DATA (data));
if (p1) {
data->priv->bounds.x1 = p1->x;
data->priv->bounds.y1 = p1->y;
}
if (p2) {
data->priv->bounds.x2 = p2->x;
data->priv->bounds.y2 = p2->y;
}
}
// This is called when the textbox data was moved. Update the view accordingly.
static void textbox_moved_callback (ItemData *data, Coords *pos, SheetItem *item)
{
TextboxItem *textbox_item;
g_return_if_fail (data != NULL);
g_return_if_fail (IS_ITEM_DATA (data));
g_return_if_fail (item != NULL);
g_return_if_fail (IS_TEXTBOX_ITEM (item));
if (pos == NULL)
return;
textbox_item = TEXTBOX_ITEM (item);
// Move the canvas item and invalidate the bbox cache.
goo_canvas_item_translate (GOO_CANVAS_ITEM (item), pos->x, pos->y);
textbox_item->priv->cache_valid = FALSE;
}
void item_data_get_absolute_bbox (ItemData *data, Coords *p1, Coords *p2)
{
g_return_if_fail (data != NULL);
g_return_if_fail (IS_ITEM_DATA (data));
ItemDataPriv *priv;
item_data_get_relative_bbox (data, p1, p2);
priv = data->priv;
if (p1) {
p1->x += priv->translate.x0;
p1->y += priv->translate.y0;
}
if (p2) {
p2->x += priv->translate.x0;
p2->y += priv->translate.y0;
}
}
/**
* This is called when the wire data was moved. Update the view accordingly.
*/
static void
wire_moved_callback (ItemData *data, SheetPos *pos, SheetItem *item)
{
WireItem *wire_item;
g_return_if_fail (data != NULL);
g_return_if_fail (IS_ITEM_DATA (data));
g_return_if_fail (item != NULL);
g_return_if_fail (IS_WIRE_ITEM (item));
if (pos == NULL)
return;
wire_item = WIRE_ITEM (item);
/*
* Move the canvas item and invalidate the bbox cache.
*/
gnome_canvas_item_move (GNOME_CANVAS_ITEM (item), pos->x, pos->y);
wire_item->priv->cache_valid = FALSE;
}
/**
* remove a single item from the sheet
*/
void sheet_remove_item_in_sheet (SheetItem *item, Sheet *sheet)
{
g_return_if_fail (sheet != NULL);
g_return_if_fail (IS_SHEET (sheet));
g_return_if_fail (item != NULL);
g_return_if_fail (IS_SHEET_ITEM (item));
sheet->priv->items = g_list_remove (sheet->priv->items, item);
// Remove the object from the selected-list before destroying.
sheet_remove_selected_object (sheet, item);
sheet_remove_floating_object (sheet, item);
ItemData *data = sheet_item_get_data (item);
g_return_if_fail (data != NULL);
g_return_if_fail (IS_ITEM_DATA (data));
// properly unregister the itemdata from the sheet
item_data_unregister (data);
// Destroy the item-data (model) associated to the sheet-item
g_object_unref (data);
}
// This is called when the wire data was moved. Update the view accordingly.
static void
wire_moved_callback (ItemData *data, SheetPos *pos, SheetItem *item)
{
WireItem *wire_item;
g_return_if_fail (data != NULL);
g_return_if_fail (IS_ITEM_DATA (data));
g_return_if_fail (item != NULL);
g_return_if_fail (IS_WIRE_ITEM (item));
if (pos == NULL)
return;
wire_item = WIRE_ITEM (item);
// Move the canvas item and invalidate the bbox cache.
goo_canvas_item_set_simple_transform (GOO_CANVAS_ITEM (item),
pos->x,
pos->y,
1.0,
0.0);
wire_item->priv->cache_valid = FALSE;
}
void item_data_set_pos (ItemData *item_data, Coords *pos)
{
ItemDataPriv *priv;
gboolean handler_connected;
g_return_if_fail (pos);
g_return_if_fail (item_data);
g_return_if_fail (IS_ITEM_DATA (item_data));
priv = item_data->priv;
cairo_matrix_init_translate (&(priv->translate), pos->x, pos->y);
handler_connected =
g_signal_handler_is_connected (G_OBJECT (item_data), item_data->moved_handler_id);
if (handler_connected) {
g_signal_emit_by_name (G_OBJECT (item_data), "moved", pos);
}
handler_connected =
g_signal_handler_is_connected (G_OBJECT (item_data), item_data->changed_handler_id);
if (handler_connected) {
g_signal_emit_by_name (G_OBJECT (item_data), "changed");
}
}
/**
* @param data
* @returns [transfer-none] pointer to cairo matrix which only includes the
* rotation
*/
cairo_matrix_t *item_data_get_rotate (ItemData *data)
{
g_return_val_if_fail (data != NULL, NULL);
g_return_val_if_fail (IS_ITEM_DATA (data), NULL);
return &(data->priv->rotate);
}