22 lines
845 B
Go
22 lines
845 B
Go
// 1 march 2014
|
|
package ui
|
|
|
|
// #cgo LDFLAGS: -lobjc -framework Foundation -framework AppKit
|
|
// #include "objc_darwin.h"
|
|
import "C"
|
|
|
|
// -[NSCell cellSize] is documented as determining the minimum size needed to draw its receiver. This will work for our case; it appears to be what GTK+ does as well.
|
|
// See also: http://stackoverflow.com/questions/1056079/is-there-a-way-to-programmatically-determine-the-proper-sizes-for-apples-built
|
|
// TODO figure out what to do if one of our controls returns the sentinel (10000, 10000) that indicates we can't use -[NSCell cellSize]
|
|
|
|
var (
|
|
_cell = sel_getUid("cell")
|
|
_cellSize = sel_getUid("cellSize")
|
|
)
|
|
|
|
func (s *sysData) preferredSize() (width int, height int) {
|
|
cell := C.objc_msgSend_noargs(s.id, _cell)
|
|
cs := C.objc_msgSend_stret_size_noargs(cell, _cellSize)
|
|
return int(cs.width), int(cs.height)
|
|
}
|