static void
place_cmd (GtkWidget *widget, Browser *br)
{
LibraryPart *library_part;
char *part_name;
Coords pos;
Sheet *sheet;
Part *part;
GtkTreeModel *model;
GtkTreeIter iter;
GtkTreeSelection *selection;
schematic_view_reset_tool (br->schematic_view);
sheet = schematic_view_get_sheet (br->schematic_view);
// Get the current selected row
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (br->list));
model = gtk_tree_view_get_model (GTK_TREE_VIEW (br->list));
if (!gtk_tree_selection_get_selected (selection, NULL, &iter)) {
return;
}
gtk_tree_model_get (model, &iter, 0, &part_name, -1);
library_part = library_get_part (br->library, part_name);
part = part_new_from_library_part (library_part);
if (!part) {
oregano_error (_("Unable to load required part"));
return;
}
pos.x = pos.y = 0;
item_data_set_pos (ITEM_DATA (part), &pos);
sheet_connect_part_item_to_floating_group (sheet, (gpointer) br->schematic_view);
sheet_select_all (sheet, FALSE);
sheet_clear_ghosts (sheet);
sheet_add_ghost_item (sheet, ITEM_DATA (part));
}
PartItem *
part_item_new (Sheet *sheet, Part *part)
{
Library *library;
LibraryPart *library_part;
PartPriv *priv;
PartItem *item;
priv = part->priv;
library = priv->library;
library_part = library_get_part (library, priv->name);
// Create the PartItem canvas item
item = part_item_canvas_new (sheet, part);
create_canvas_items (GOO_CANVAS_GROUP (item), library_part);
create_canvas_labels (item, part);
create_canvas_label_nodes (item, part);
goo_canvas_item_ensure_updated (GOO_CANVAS_ITEM (item));
return item;
}
void
part_browser_dnd (GtkSelectionData *selection_data, int x, int y)
{
LibraryPart *library_part;
Coords pos;
DndData *data;
Sheet *sheet;
Part *part;
data = (DndData *) (gtk_selection_data_get_data (selection_data));
g_return_if_fail (data != NULL);
pos.x = x;
pos.y = y;
sheet = schematic_view_get_sheet (data->schematic_view);
snap_to_grid (sheet->grid, &pos.x, &pos.y);
library_part = library_get_part (data->br->library, data->part_name);
part = part_new_from_library_part (library_part);
if (!part) {
oregano_error (_("Unable to load required part"));
return;
}
item_data_set_pos (ITEM_DATA (part), &pos);
sheet_connect_part_item_to_floating_group (sheet, (gpointer) data->schematic_view);
sheet_select_all (sheet, FALSE);
sheet_clear_ghosts (schematic_view_get_sheet (data->schematic_view));
sheet_add_ghost_item (sheet, ITEM_DATA (part));
}
static void
update_preview (Browser *br)
{
LibraryPart *library_part;
gdouble new_x, new_y, x1, y1, x2, y2;
gdouble text_width;
gdouble width, height;
GooCanvasBounds bounds;
gdouble scale;
cairo_matrix_t transf, affine;
gchar *part_name;
char *description;
GtkTreeModel *model;
GtkTreeIter iter;
GtkTreeSelection *selection;
// Get the current selected row
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (br->list));
model = gtk_tree_view_get_model (GTK_TREE_VIEW (br->list));
if (!GTK_IS_TREE_SELECTION (selection)) return;
if (!gtk_tree_selection_get_selected (selection, NULL, &iter)) {
return;
}
gtk_tree_model_get (model, &iter, 0, &part_name, -1);
library_part = library_get_part (br->library, part_name);
// If there is already a preview part-item, destroy its group and create a
// new one.
if (br->preview != NULL) {
goo_canvas_item_remove (GOO_CANVAS_ITEM (br->preview));
}
br->preview = GOO_CANVAS_GROUP (goo_canvas_group_new (
goo_canvas_get_root_item (GOO_CANVAS (br->canvas)),
NULL));
goo_canvas_set_bounds (GOO_CANVAS (br->canvas), 0.0, 0.0, 250.0, 110.0);
g_object_get (br->preview,
"width", &width,
"height", &height,
NULL);
if (!library_part)
return;
part_item_create_canvas_items_for_preview (br->preview, library_part);
// Unconstraint the canvas width & height to adjust for the part description
g_object_set (br->preview,
"width", -1.0,
"height", -1.0,
NULL);
// Get the coordonates */
goo_canvas_item_get_bounds (GOO_CANVAS_ITEM (br->preview), &bounds);
x1 = bounds.x1;
x2 = bounds.x2;
y1 = bounds.y1;
y2 = bounds.y2;
// Translate in such a way that the canvas centre remains in (0, 0)
cairo_matrix_init_translate (&transf, -(x2 + x1) / 2.0f + PREVIEW_WIDTH / 2,
-(y2 + y1) / 2.0f + PREVIEW_HEIGHT / 2);
// Compute the scale of the widget
if ((x2 - x1 != 0) || (y2 - y1 != 0)) {
if ((x2 - x1) < (y2 - y1))
scale = 0.60f * PREVIEW_HEIGHT / (y2 - y1);
else
scale = 0.60f * PREVIEW_WIDTH / (x2 - x1);
}
else
scale = 5;
cairo_matrix_init_scale (&affine, scale, scale);
cairo_matrix_multiply (&transf, &transf, &affine);
// Apply the transformation
goo_canvas_item_set_transform (GOO_CANVAS_ITEM (br->preview), &transf);
// Compute the motion to centre the Preview widget
new_x = 100 + (PREVIEW_WIDTH - x1 - x2) / 2;
new_y = (PREVIEW_HEIGHT - y1 - y2) / 2 - 10;
// Apply the transformation
if (scale > 5.0) scale = 3.0;
goo_canvas_item_set_simple_transform (GOO_CANVAS_ITEM (br->preview),
new_x,
new_y,
scale,
0.0);
description = g_strdup (library_part->description);
wrap_string (description, 20);
g_object_set (br->description,
"text", description,
NULL);
g_free (description);
g_object_get (G_OBJECT (br->description),
"width", &text_width,
NULL);
goo_canvas_item_set_simple_transform (GOO_CANVAS_ITEM (br->description),
50.0,
-20.0,
1.0,
0.0);
g_free (part_name);
}
