// 14 august 2015 #import "uipriv_darwin.h" // TODO the selection should NOT be lost when starting a new drag struct uiRadioButtons { uiDarwinControl c; NSMatrix *matrix; }; uiDarwinControlAllDefaults(uiRadioButtons, matrix) static NSButtonCell *cellAt(uiRadioButtons *r, uintmax_t n) { return (NSButtonCell *) [r->matrix cellAtRow:n column:0]; } void uiRadioButtonsAppend(uiRadioButtons *r, const char *text) { intmax_t prevSelection; // renewRows:columns: will reset the selection prevSelection = [r->matrix selectedRow]; [r->matrix renewRows:([r->matrix numberOfRows] + 1) columns:1]; [cellAt(r, [r->matrix numberOfRows] - 1) setTitle:toNSString(text)]; // this will definitely cause a resize in at least the vertical direction, even if not in the horizontal // DO NOT CALL sizeToCells! this will glitch out; see http://stackoverflow.com/questions/32162562/dynamically-adding-cells-to-a-nsmatrix-laid-out-with-auto-layout-has-weird-effec // and renew the previous selection // we need to turn on allowing empty selection for this to work properly on the initial state // TODO this doesn't actually work [r->matrix setAllowsEmptySelection:YES]; [r->matrix selectCellAtRow:prevSelection column:0]; [r->matrix setAllowsEmptySelection:NO]; } uiRadioButtons *uiNewRadioButtons(void) { uiRadioButtons *r; NSButtonCell *cell; uiDarwinNewControl(uiRadioButtons, r); // we have to set up the NSMatrix this way (prototype first) // otherwise we won't be able to change its properties (such as the button type) cell = [NSButtonCell new]; [cell setButtonType:NSRadioButton]; // works on NSCells too (same selector) uiDarwinSetControlFont((NSControl *) cell, NSRegularControlSize); r->matrix = [[NSMatrix alloc] initWithFrame:NSZeroRect mode:NSRadioModeMatrix prototype:cell numberOfRows:0 numberOfColumns:0]; // we manually twiddle this property to allow programmatic non-selection state [r->matrix setAllowsEmptySelection:NO]; [r->matrix setSelectionByRect:YES]; [r->matrix setIntercellSpacing:NSMakeSize(4, 2)]; [r->matrix setAutorecalculatesCellSize:YES]; [r->matrix setDrawsBackground:NO]; [r->matrix setDrawsCellBackground:NO]; [r->matrix setAutosizesCells:YES]; return r; }