/* ---------------------------------------------------------------------------
* sets cursor grid with respect to grid offset values
*/
void
SetGrid (Coord Grid, bool align) {
char *grid_string;
if (Grid >= 1 && Grid <= MAX_GRID) {
if (align) {
PCB->GridOffsetX = Crosshair.X % Grid;
PCB->GridOffsetY = Crosshair.Y % Grid;
}
PCB->Grid = Grid;
grid_string = pcb_g_strdup_printf ("%mr", Grid);
if (grid_string) {
AttributePut (PCB, "PCB::grid::size", grid_string);
}
g_free (grid_string);
if (Settings.DrawGrid) {
Redraw ();
}
}
}
/* ---------------------------------------------------------------------------
* load PCB
* parse the file with enabled 'PCB mode' (see parser)
* if successful, update some other stuff
*
* If revert is true, we pass "revert" as a parameter
* to the HID's PCBChanged action.
*/
static int
real_load_pcb (char *Filename, bool revert)
{
const char *unit_suffix, *grid_size;
char *new_filename;
PCBType *newPCB = CreateNewPCB (false);
PCBType *oldPCB;
#ifdef DEBUG
double elapsed;
clock_t start, end;
start = clock ();
#endif
new_filename = strdup (Filename);
oldPCB = PCB;
PCB = newPCB;
/* mark the default font invalid to know if the file has one */
newPCB->Font.Valid = false;
/* new data isn't added to the undo list */
if (!ParsePCB (PCB, new_filename))
{
RemovePCB (oldPCB);
CreateNewPCBPost (PCB, 0);
ResetStackAndVisibility ();
/* update cursor location */
Crosshair.X = CLAMP (PCB->CursorX, 0, PCB->MaxWidth);
Crosshair.Y = CLAMP (PCB->CursorY, 0, PCB->MaxHeight);
/* update cursor confinement and output area (scrollbars) */
ChangePCBSize (PCB->MaxWidth, PCB->MaxHeight);
/* enable default font if necessary */
if (!PCB->Font.Valid)
{
Message (_
("File '%s' has no font information, using default font\n"),
new_filename);
PCB->Font.Valid = true;
}
/* clear 'changed flag' */
SetChangedFlag (false);
PCB->Filename = new_filename;
/* just in case a bad file saved file is loaded */
/* Use attribute PCB::grid::unit as unit, if we can */
unit_suffix = AttributeGet (PCB, "PCB::grid::unit");
if (unit_suffix && *unit_suffix)
{
const Unit *new_unit = get_unit_struct (unit_suffix);
if (new_unit)
Settings.grid_unit = new_unit;
}
AttributePut (PCB, "PCB::grid::unit", Settings.grid_unit->suffix);
/* Use attribute PCB::grid::size as size, if we can */
grid_size = AttributeGet (PCB, "PCB::grid::size");
if (grid_size)
{
PCB->Grid = GetValue (grid_size, NULL, NULL);
}
sort_netlist ();
set_some_route_style ();
if (revert)
hid_actionl ("PCBChanged", "revert", NULL);
else
hid_action ("PCBChanged");
#ifdef DEBUG
end = clock ();
elapsed = ((double) (end - start)) / CLOCKS_PER_SEC;
gui->log ("Loading file %s took %f seconds of CPU time\n",
new_filename, elapsed);
#endif
return (0);
}
PCB = oldPCB;
hid_action ("PCBChanged");
/* release unused memory */
RemovePCB (newPCB);
return (1);
}
