77 lines
1.7 KiB
Go
77 lines
1.7 KiB
Go
// 15 july 2014
|
|
|
|
package ui
|
|
|
|
import (
|
|
"unsafe"
|
|
)
|
|
|
|
// #include "winapi_windows.h"
|
|
import "C"
|
|
|
|
type textfield struct {
|
|
*controlSingleHWNDWithText
|
|
changed *event
|
|
}
|
|
|
|
var editclass = toUTF16("EDIT")
|
|
|
|
func startNewTextField(style C.DWORD) *textfield {
|
|
hwnd := C.newControl(editclass,
|
|
style|C.textfieldStyle,
|
|
C.textfieldExtStyle) // WS_EX_CLIENTEDGE without WS_BORDER will show the canonical visual styles border (thanks to MindChild in irc.efnet.net/#winprog)
|
|
t := &textfield{
|
|
controlSingleHWNDWithText: newControlSingleHWNDWithText(hwnd),
|
|
changed: newEvent(),
|
|
}
|
|
t.fpreferredSize = t.xpreferredSize
|
|
C.controlSetControlFont(t.hwnd)
|
|
C.setTextFieldSubclass(t.hwnd, unsafe.Pointer(t))
|
|
return t
|
|
}
|
|
|
|
func newTextField() *textfield {
|
|
return startNewTextField(0)
|
|
}
|
|
|
|
func newPasswordField() *textfield {
|
|
return startNewTextField(C.ES_PASSWORD)
|
|
}
|
|
|
|
func (t *textfield) Text() string {
|
|
return t.text()
|
|
}
|
|
|
|
func (t *textfield) SetText(text string) {
|
|
t.setText(text)
|
|
}
|
|
|
|
func (t *textfield) OnChanged(f func()) {
|
|
t.changed.set(f)
|
|
}
|
|
|
|
func (t *textfield) Invalid(reason string) {
|
|
if reason == "" {
|
|
C.textfieldHideInvalidBalloonTip(t.hwnd)
|
|
return
|
|
}
|
|
C.textfieldSetAndShowInvalidBalloonTip(t.hwnd, toUTF16(reason))
|
|
}
|
|
|
|
//export textfieldChanged
|
|
func textfieldChanged(data unsafe.Pointer) {
|
|
t := (*textfield)(data)
|
|
t.changed.fire()
|
|
}
|
|
|
|
const (
|
|
// from http://msdn.microsoft.com/en-us/library/windows/desktop/dn742486.aspx#sizingandspacing
|
|
textfieldWidth = 107 // this is actually the shorter progress bar width, but Microsoft only indicates as wide as necessary
|
|
textfieldHeight = 14
|
|
)
|
|
|
|
// TODO allow custom preferred widths
|
|
func (t *textfield) xpreferredSize(d *sizing) (width, height int) {
|
|
return fromdlgunitsX(textfieldWidth, d), fromdlgunitsY(textfieldHeight, d)
|
|
}
|