104 lines
2.2 KiB
Go
104 lines
2.2 KiB
Go
// 15 july 2014
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package ui
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import (
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"unsafe"
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)
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// #include "winapi_windows.h"
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import "C"
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type textfield struct {
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_hwnd C.HWND
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_textlen C.LONG
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changed *event
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}
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var editclass = toUTF16("EDIT")
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func startNewTextField(style C.DWORD) *textfield {
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hwnd := C.newControl(editclass,
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style | C.textfieldStyle,
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C.textfieldExtStyle) // WS_EX_CLIENTEDGE without WS_BORDER will show the canonical visual styles border (thanks to MindChild in irc.efnet.net/#winprog)
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t := &textfield{
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_hwnd: hwnd,
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changed: newEvent(),
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}
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C.controlSetControlFont(t._hwnd)
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C.setTextFieldSubclass(t._hwnd, unsafe.Pointer(t))
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return t
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}
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func newTextField() *textfield {
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return startNewTextField(0)
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}
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func newPasswordField() *textfield {
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return startNewTextField(C.ES_PASSWORD)
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}
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func (t *textfield) Text() string {
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return baseText(t)
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}
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func (t *textfield) SetText(text string) {
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baseSetText(t, text)
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}
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func (t *textfield) OnChanged(f func()) {
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t.changed.set(f)
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}
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func (t *textfield) Invalid(reason string) {
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if reason == "" {
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C.textfieldHideInvalidBalloonTip(t._hwnd)
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return
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}
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C.textfieldSetAndShowInvalidBalloonTip(t._hwnd, toUTF16(reason))
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}
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//export textfieldChanged
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func textfieldChanged(data unsafe.Pointer) {
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t := (*textfield)(data)
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t.changed.fire()
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}
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func (t *textfield) hwnd() C.HWND {
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return t._hwnd
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}
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func (t *textfield) textlen() C.LONG {
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return t._textlen
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}
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func (t *textfield) settextlen(len C.LONG) {
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t._textlen = len
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}
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func (t *textfield) setParent(p *controlParent) {
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basesetParent(t, p)
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}
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func (t *textfield) allocate(x int, y int, width int, height int, d *sizing) []*allocation {
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return baseallocate(t, x, y, width, height, d)
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}
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const (
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// from http://msdn.microsoft.com/en-us/library/windows/desktop/dn742486.aspx#sizingandspacing
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textfieldWidth = 107 // this is actually the shorter progress bar width, but Microsoft only indicates as wide as necessary
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textfieldHeight = 14
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)
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func (t *textfield) preferredSize(d *sizing) (width, height int) {
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return fromdlgunitsX(textfieldWidth, d), fromdlgunitsY(textfieldHeight, d)
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}
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func (t *textfield) commitResize(a *allocation, d *sizing) {
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basecommitResize(t, a, d)
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}
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func (t *textfield) getAuxResizeInfo(d *sizing) {
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basegetAuxResizeInfo(t, d)
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}
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