zenity/entry_windows.go

159 lines
4.7 KiB
Go
Raw Permalink Normal View History

2021-03-07 19:57:16 -05:00
package zenity
2018-01-25 10:37:06 -05:00
import (
"syscall"
)
2021-04-29 11:05:28 -04:00
func entry(text string, opts options) (out string, err error) {
2021-04-27 09:05:04 -04:00
if opts.title == nil {
opts.title = stringPtr("")
2021-03-07 19:57:16 -05:00
}
2021-04-05 12:54:46 -04:00
if opts.okLabel == nil {
opts.okLabel = stringPtr("OK")
}
if opts.cancelLabel == nil {
opts.cancelLabel = stringPtr("Cancel")
}
2021-03-29 14:07:44 -04:00
2021-04-05 18:19:02 -04:00
defer setup()()
2021-04-05 12:54:46 -04:00
font := getFont()
defer font.Delete()
2021-04-08 20:05:48 -04:00
defWindowProc := defWindowProc.Addr()
var wnd, textCtl, editCtl uintptr
var okBtn, cancelBtn, extraBtn uintptr
2021-04-05 09:58:30 -04:00
2021-03-29 14:07:44 -04:00
layout := func(dpi dpi) {
2021-04-05 12:54:46 -04:00
hfont := font.ForDPI(dpi)
2021-04-05 09:58:30 -04:00
sendMessage.Call(textCtl, 0x0030 /* WM_SETFONT */, hfont, 1)
sendMessage.Call(editCtl, 0x0030 /* WM_SETFONT */, hfont, 1)
sendMessage.Call(okBtn, 0x0030 /* WM_SETFONT */, hfont, 1)
sendMessage.Call(cancelBtn, 0x0030 /* WM_SETFONT */, hfont, 1)
2021-04-30 14:19:14 -04:00
sendMessage.Call(extraBtn, 0x0030 /* WM_SETFONT */, hfont, 1)
2021-04-09 08:39:15 -04:00
setWindowPos.Call(wnd, 0, 0, 0, dpi.Scale(281), dpi.Scale(141), 0x6) // SWP_NOZORDER|SWP_NOMOVE
2021-04-05 12:54:46 -04:00
setWindowPos.Call(textCtl, 0, dpi.Scale(12), dpi.Scale(10), dpi.Scale(241), dpi.Scale(16), 0x4) // SWP_NOZORDER
setWindowPos.Call(editCtl, 0, dpi.Scale(12), dpi.Scale(30), dpi.Scale(241), dpi.Scale(24), 0x4) // SWP_NOZORDER
if extraBtn == 0 {
2021-04-09 08:39:15 -04:00
setWindowPos.Call(okBtn, 0, dpi.Scale(95), dpi.Scale(66), dpi.Scale(75), dpi.Scale(24), 0x4) // SWP_NOZORDER
setWindowPos.Call(cancelBtn, 0, dpi.Scale(178), dpi.Scale(66), dpi.Scale(75), dpi.Scale(24), 0x4) // SWP_NOZORDER
2021-04-05 12:54:46 -04:00
} else {
2021-04-09 08:39:15 -04:00
setWindowPos.Call(okBtn, 0, dpi.Scale(12), dpi.Scale(66), dpi.Scale(75), dpi.Scale(24), 0x4) // SWP_NOZORDER
setWindowPos.Call(extraBtn, 0, dpi.Scale(95), dpi.Scale(66), dpi.Scale(75), dpi.Scale(24), 0x4) // SWP_NOZORDER
setWindowPos.Call(cancelBtn, 0, dpi.Scale(178), dpi.Scale(66), dpi.Scale(75), dpi.Scale(24), 0x4) // SWP_NOZORDER
2021-04-05 12:54:46 -04:00
}
2018-01-25 10:37:06 -05:00
}
2021-03-29 14:07:44 -04:00
proc := func(wnd uintptr, msg uint32, wparam, lparam uintptr) uintptr {
2018-01-25 10:37:06 -05:00
switch msg {
2021-03-29 14:07:44 -04:00
case 0x0002: // WM_DESTROY
postQuitMessage.Call(0)
case 0x0010: // WM_CLOSE
2021-04-29 11:05:28 -04:00
err = ErrCanceled
2021-03-29 14:07:44 -04:00
destroyWindow.Call(wnd)
case 0x0111: // WM_COMMAND
switch wparam {
default:
return 1
case 1, 6: // IDOK, IDYES
2021-04-08 19:55:49 -04:00
out = getWindowString(editCtl)
2021-03-29 14:07:44 -04:00
case 2: // IDCANCEL
2021-04-29 11:05:28 -04:00
err = ErrCanceled
2021-03-29 14:07:44 -04:00
case 7: // IDNO
2021-04-05 12:54:46 -04:00
err = ErrExtraButton
2018-01-25 10:37:06 -05:00
}
2021-03-29 14:07:44 -04:00
destroyWindow.Call(wnd)
case 0x02e0: // WM_DPICHANGED
layout(dpi(uint32(wparam) >> 16))
2018-01-25 10:37:06 -05:00
default:
2021-04-29 11:38:59 -04:00
res, _, _ := syscall.Syscall6(defWindowProc, 4, wnd, uintptr(msg), wparam, lparam, 0, 0)
return res
2018-01-25 10:37:06 -05:00
}
return 0
}
2021-04-05 18:19:02 -04:00
if opts.ctx != nil && opts.ctx.Err() != nil {
2021-04-29 11:05:28 -04:00
return "", opts.ctx.Err()
2021-04-05 18:19:02 -04:00
}
2021-03-27 19:50:48 -04:00
2021-03-29 14:07:44 -04:00
instance, _, err := getModuleHandle.Call(0)
if instance == 0 {
2021-04-29 11:05:28 -04:00
return "", err
2018-01-25 10:37:06 -05:00
}
2021-04-05 12:54:46 -04:00
cls, err := registerClass(instance, syscall.NewCallback(proc))
if cls == 0 {
2021-04-29 11:05:28 -04:00
return "", err
2018-01-25 10:37:06 -05:00
}
2021-04-05 12:54:46 -04:00
defer unregisterClass.Call(cls, instance)
2018-01-25 10:37:06 -05:00
2021-04-05 12:54:46 -04:00
wnd, _, _ = createWindowEx.Call(0x10101, // WS_EX_CONTROLPARENT|WS_EX_WINDOWEDGE|WS_EX_DLGMODALFRAME
2021-04-27 09:05:04 -04:00
cls, strptr(*opts.title),
2021-04-05 09:58:30 -04:00
0x84c80000, // WS_POPUPWINDOW|WS_CLIPSIBLINGS|WS_DLGFRAME
0x80000000, // CW_USEDEFAULT
0x80000000, // CW_USEDEFAULT
2021-04-27 09:05:04 -04:00
281, 141, 0, 0, instance, 0)
2018-01-25 10:37:06 -05:00
2021-04-05 12:54:46 -04:00
textCtl, _, _ = createWindowEx.Call(0,
2021-04-05 13:58:32 -04:00
strptr("STATIC"), strptr(text),
2021-04-05 09:58:30 -04:00
0x5002e080, // WS_CHILD|WS_VISIBLE|WS_GROUP|SS_WORDELLIPSIS|SS_EDITCONTROL|SS_NOPREFIX
2021-04-27 09:05:04 -04:00
12, 10, 241, 16, wnd, 0, instance, 0)
2018-01-25 10:37:06 -05:00
2021-03-29 14:07:44 -04:00
var flags uintptr = 0x50030080 // WS_CHILD|WS_VISIBLE|WS_GROUP|WS_TABSTOP|ES_AUTOHSCROLL
2021-04-05 12:54:46 -04:00
if opts.hideText {
2021-03-29 14:07:44 -04:00
flags |= 0x20 // ES_PASSWORD
}
2021-04-05 12:54:46 -04:00
editCtl, _, _ = createWindowEx.Call(0x200, // WS_EX_CLIENTEDGE
2021-04-05 13:58:32 -04:00
strptr("EDIT"), strptr(opts.entryText),
2021-04-05 12:54:46 -04:00
flags,
2021-04-27 09:05:04 -04:00
12, 30, 241, 24, wnd, 0, instance, 0)
2021-04-05 09:58:30 -04:00
2021-04-05 12:54:46 -04:00
okBtn, _, _ = createWindowEx.Call(0,
2021-04-05 13:58:32 -04:00
strptr("BUTTON"), strptr(*opts.okLabel),
2021-04-05 09:58:30 -04:00
0x50030001, // WS_CHILD|WS_VISIBLE|WS_GROUP|WS_TABSTOP|BS_DEFPUSHBUTTON
2021-04-27 09:05:04 -04:00
12, 66, 75, 24, wnd, 1 /* IDOK */, instance, 0)
2021-04-05 12:54:46 -04:00
cancelBtn, _, _ = createWindowEx.Call(0,
2021-04-05 13:58:32 -04:00
strptr("BUTTON"), strptr(*opts.cancelLabel),
2021-04-05 09:58:30 -04:00
0x50010000, // WS_CHILD|WS_VISIBLE|WS_GROUP|WS_TABSTOP
2021-04-27 09:05:04 -04:00
12, 66, 75, 24, wnd, 2 /* IDCANCEL */, instance, 0)
2021-04-05 12:54:46 -04:00
if opts.extraButton != nil {
extraBtn, _, _ = createWindowEx.Call(0,
2021-04-05 13:58:32 -04:00
strptr("BUTTON"), strptr(*opts.extraButton),
2021-04-05 12:54:46 -04:00
0x50010000, // WS_CHILD|WS_VISIBLE|WS_GROUP|WS_TABSTOP
2021-04-27 09:05:04 -04:00
12, 66, 75, 24, wnd, 7 /* IDNO */, instance, 0)
2021-04-05 12:54:46 -04:00
}
2021-03-29 14:07:44 -04:00
layout(getDPI(wnd))
centerWindow(wnd)
setFocus.Call(editCtl)
showWindow.Call(wnd, 1 /* SW_SHOWNORMAL */, 0)
2021-04-05 13:58:32 -04:00
sendMessage.Call(editCtl, 0xb1 /* EM_SETSEL */, 0, intptr(-1))
2021-03-29 14:07:44 -04:00
2021-04-05 18:19:02 -04:00
if opts.ctx != nil {
wait := make(chan struct{})
defer close(wait)
go func() {
select {
case <-opts.ctx.Done():
sendMessage.Call(wnd, 0x0112 /* WM_SYSCOMMAND */, 0xf060 /* SC_CLOSE */, 0)
case <-wait:
}
}()
}
// set default values
2021-04-29 11:05:28 -04:00
out, err = "", nil
2021-04-05 18:19:02 -04:00
2021-04-05 12:54:46 -04:00
if err := messageLoop(wnd); err != nil {
2021-04-29 11:05:28 -04:00
return "", err
2018-01-25 10:37:06 -05:00
}
2021-04-05 18:19:02 -04:00
if opts.ctx != nil && opts.ctx.Err() != nil {
2021-04-29 11:05:28 -04:00
return "", opts.ctx.Err()
2021-04-05 18:19:02 -04:00
}
2021-04-29 11:05:28 -04:00
return out, err
2018-01-25 10:37:06 -05:00
}