1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
// 28 october 2014
package ui
import (
"unsafe"
)
// #include "winapi_windows.h"
import "C"
// TODO do we have to manually monitor user changes to the edit control?
type spinbox struct {
hwndEdit C.HWND
hwndUpDown C.HWND
}
func newSpinbox() Spinbox {
s := new(spinbox)
s.hwndEdit = C.newControl(editclass,
C.textfieldStyle | C.ES_NUMBER,
C.textfieldExtStyle)
s.hwndUpDown = C.newControl(C.xUPDOWN_CLASSW,
C.UDS_ALIGNRIGHT | C.UDS_ARROWKEYS | C.UDS_HOTTRACK | C.UDS_NOTHOUSANDS | C.UDS_SETBUDDYINT,
0)
C.SendMessageW(s.hwndUpDown, C.UDM_SETBUDDY, C.WPARAM(uintptr(unsafe.Pointer(s.hwndEdit))), 0)
C.SendMessageW(s.hwndUpDown, C.UDM_SETRANGE32, 0, 100)
C.SendMessageW(s.hwndUpDown, C.UDM_SETPOS32, 0, 0)
return s
}
func (s *spinbox) setParent(p *controlParent) {
C.controlSetParent(s.hwndEdit, p.hwnd)
C.controlSetParent(s.hwndUpDown, p.hwnd)
}
func (s *spinbox) preferredSize(d *sizing) (width, height int) {
// TODO
return 20, 20
}
func (s *spinbox) resize(x int, y int, width int, height int, d *sizing) {
C.moveWindow(s.hwndEdit, C.int(x), C.int(y), C.int(width), C.int(height))
}
func (s *spinbox) nTabStops() int {
// TODO does the up-down control count?
return 1
}
// TODO be sure to modify this when we add Show()/Hide()
func (s *spinbox) containerShow() {
C.ShowWindow(s.hwndEdit, C.SW_SHOW)
C.ShowWindow(s.hwndUpDown, C.SW_SHOW)
}
// TODO be sure to modify this when we add Show()/Hide()
func (s *spinbox) containerHide() {
C.ShowWindow(s.hwndEdit, C.SW_HIDE)
C.ShowWindow(s.hwndUpDown, C.SW_HIDE)
}
|
