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List (windows), fix #3.

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This commit is contained in:
Nuno Cruces 2021-04-09 13:39:15 +01:00
parent 75aca1cc3c
commit 19e4aa9d03
4 changed files with 208 additions and 15 deletions
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23
entry_windows.go
View file

@ -15,7 +15,10 @@ func entry(text string, opts options) (out string, ok bool, err error) {
if opts.cancelLabel == nil {
opts.cancelLabel = stringPtr("Cancel")
}
return entryDlg(title, text, opts)
}
func entryDlg(title, text string, opts options) (out string, ok bool, err error) {
defer setup()()
font := getFont()
defer font.Delete()
@ -30,17 +33,17 @@ func entry(text string, opts options) (out string, ok bool, err error) {
sendMessage.Call(editCtl, 0x0030 /* WM_SETFONT */, hfont, 1)
sendMessage.Call(okBtn, 0x0030 /* WM_SETFONT */, hfont, 1)
sendMessage.Call(cancelBtn, 0x0030 /* WM_SETFONT */, hfont, 1)
setWindowPos.Call(wnd, 0, 0, 0, dpi.Scale(281), dpi.Scale(140), 0x6) // SWP_NOZORDER|SWP_NOMOVE
setWindowPos.Call(wnd, 0, 0, 0, dpi.Scale(281), dpi.Scale(141), 0x6) // SWP_NOZORDER|SWP_NOMOVE
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 {
setWindowPos.Call(okBtn, 0, dpi.Scale(95), dpi.Scale(65), dpi.Scale(75), dpi.Scale(24), 0x4) // SWP_NOZORDER
setWindowPos.Call(cancelBtn, 0, dpi.Scale(178), dpi.Scale(65), dpi.Scale(75), dpi.Scale(24), 0x4) // SWP_NOZORDER
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
} else {
sendMessage.Call(extraBtn, 0x0030 /* WM_SETFONT */, hfont, 1)
setWindowPos.Call(okBtn, 0, dpi.Scale(12), dpi.Scale(65), dpi.Scale(75), dpi.Scale(24), 0x4) // SWP_NOZORDER
setWindowPos.Call(extraBtn, 0, dpi.Scale(95), dpi.Scale(65), dpi.Scale(75), dpi.Scale(24), 0x4) // SWP_NOZORDER
setWindowPos.Call(cancelBtn, 0, dpi.Scale(178), dpi.Scale(65), dpi.Scale(75), dpi.Scale(24), 0x4) // SWP_NOZORDER
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
}
}
@ -96,7 +99,7 @@ func entry(text string, opts options) (out string, ok bool, err error) {
0x84c80000, // WS_POPUPWINDOW|WS_CLIPSIBLINGS|WS_DLGFRAME
0x80000000, // CW_USEDEFAULT
0x80000000, // CW_USEDEFAULT
281, 140, 0, 0, instance)
281, 141, 0, 0, instance)
textCtl, _, _ = createWindowEx.Call(0,
strptr("STATIC"), strptr(text),
@ -115,16 +118,16 @@ func entry(text string, opts options) (out string, ok bool, err error) {
okBtn, _, _ = createWindowEx.Call(0,
strptr("BUTTON"), strptr(*opts.okLabel),
0x50030001, // WS_CHILD|WS_VISIBLE|WS_GROUP|WS_TABSTOP|BS_DEFPUSHBUTTON
12, 65, 75, 24, wnd, 1 /* IDOK */, instance)
12, 66, 75, 24, wnd, 1 /* IDOK */, instance)
cancelBtn, _, _ = createWindowEx.Call(0,
strptr("BUTTON"), strptr(*opts.cancelLabel),
0x50010000, // WS_CHILD|WS_VISIBLE|WS_GROUP|WS_TABSTOP
12, 65, 75, 24, wnd, 2 /* IDCANCEL */, instance)
12, 66, 75, 24, wnd, 2 /* IDCANCEL */, instance)
if opts.extraButton != nil {
extraBtn, _, _ = createWindowEx.Call(0,
strptr("BUTTON"), strptr(*opts.extraButton),
0x50010000, // WS_CHILD|WS_VISIBLE|WS_GROUP|WS_TABSTOP
12, 65, 75, 24, wnd, 7 /* IDNO */, instance)
12, 66, 75, 24, wnd, 7 /* IDNO */, instance)
}
layout(getDPI(wnd))

4
list.go
View file

@ -34,12 +34,12 @@ func ListMultipleItems(text string, items ...string) ([]string, error) {
return ListMultiple(text, items)
}
// DefaultItems returns an Option to set the items to initally select (Windows and macOS only).
// DefaultItems returns an Option to set the items to initally select (macOS only).
func DefaultItems(items ...string) Option {
return funcOption(func(o *options) { o.defaultItems = items })
}
// DisallowEmpty returns an Option to not allow zero items to be selected (Windows and macOS only).
// DisallowEmpty returns an Option to not allow zero items to be selected (macOS only).
func DisallowEmpty() Option {
return funcOption(func(o *options) { o.disallowEmpty = true })
}

194
list_windows.go
View file

@ -1,9 +1,199 @@
package zenity
import (
"syscall"
"unsafe"
)
func list(text string, items []string, opts options) (string, bool, error) {
return "", false, nil
var title string
if opts.title != nil {
title = *opts.title
}
if opts.okLabel == nil {
opts.okLabel = stringPtr("OK")
}
if opts.cancelLabel == nil {
opts.cancelLabel = stringPtr("Cancel")
}
items, err := listDlg(title, text, items, false, opts)
if len(items) == 1 {
return items[0], true, err
}
return "", false, err
}
func listMultiple(text string, items []string, opts options) ([]string, error) {
return nil, nil
var title string
if opts.title != nil {
title = *opts.title
}
if opts.okLabel == nil {
opts.okLabel = stringPtr("OK")
}
if opts.cancelLabel == nil {
opts.cancelLabel = stringPtr("Cancel")
}
return listDlg(title, text, items, true, opts)
}
func listDlg(title, text string, items []string, multiple bool, opts options) (out []string, err error) {
defer setup()()
font := getFont()
defer font.Delete()
defWindowProc := defWindowProc.Addr()
var wnd, textCtl, listCtl uintptr
var okBtn, cancelBtn, extraBtn uintptr
layout := func(dpi dpi) {
hfont := font.ForDPI(dpi)
sendMessage.Call(textCtl, 0x0030 /* WM_SETFONT */, hfont, 1)
sendMessage.Call(listCtl, 0x0030 /* WM_SETFONT */, hfont, 1)
sendMessage.Call(okBtn, 0x0030 /* WM_SETFONT */, hfont, 1)
sendMessage.Call(cancelBtn, 0x0030 /* WM_SETFONT */, hfont, 1)
setWindowPos.Call(wnd, 0, 0, 0, dpi.Scale(281), dpi.Scale(281), 0x6) // SWP_NOZORDER|SWP_NOMOVE
setWindowPos.Call(textCtl, 0, dpi.Scale(12), dpi.Scale(10), dpi.Scale(241), dpi.Scale(16), 0x4) // SWP_NOZORDER
setWindowPos.Call(listCtl, 0, dpi.Scale(12), dpi.Scale(30), dpi.Scale(241), dpi.Scale(164), 0x4) // SWP_NOZORDER
if extraBtn == 0 {
setWindowPos.Call(okBtn, 0, dpi.Scale(95), dpi.Scale(206), dpi.Scale(75), dpi.Scale(24), 0x4) // SWP_NOZORDER
setWindowPos.Call(cancelBtn, 0, dpi.Scale(178), dpi.Scale(206), dpi.Scale(75), dpi.Scale(24), 0x4) // SWP_NOZORDER
} else {
sendMessage.Call(extraBtn, 0x0030 /* WM_SETFONT */, hfont, 1)
setWindowPos.Call(okBtn, 0, dpi.Scale(12), dpi.Scale(206), dpi.Scale(75), dpi.Scale(24), 0x4) // SWP_NOZORDER
setWindowPos.Call(extraBtn, 0, dpi.Scale(95), dpi.Scale(206), dpi.Scale(75), dpi.Scale(24), 0x4) // SWP_NOZORDER
setWindowPos.Call(cancelBtn, 0, dpi.Scale(178), dpi.Scale(206), dpi.Scale(75), dpi.Scale(24), 0x4) // SWP_NOZORDER
}
}
proc := func(wnd uintptr, msg uint32, wparam, lparam uintptr) uintptr {
switch msg {
case 0x0002: // WM_DESTROY
postQuitMessage.Call(0)
case 0x0010: // WM_CLOSE
destroyWindow.Call(wnd)
case 0x0111: // WM_COMMAND
switch wparam {
default:
return 1
case 1, 6: // IDOK, IDYES
if multiple {
if len, _, _ := sendMessage.Call(listCtl, 0x190 /* LB_GETSELCOUNT */, 0, 0); int32(len) >= 0 {
out = make([]string, len)
if len > 0 {
indices := make([]int32, len)
sendMessage.Call(listCtl, 0x191 /* LB_GETSELITEMS */, len, uintptr(unsafe.Pointer(&indices[0])))
for i, idx := range indices {
out[i] = items[idx]
}
}
}
} else {
if idx, _, _ := sendMessage.Call(listCtl, 0x188 /* LB_GETCURSEL */, 0, 0); int32(idx) >= 0 {
out = []string{items[idx]}
} else {
out = []string{}
}
}
case 2: // IDCANCEL
case 7: // IDNO
err = ErrExtraButton
}
destroyWindow.Call(wnd)
case 0x02e0: // WM_DPICHANGED
layout(dpi(uint32(wparam) >> 16))
default:
ret, _, _ := syscall.Syscall6(defWindowProc, 4, wnd, uintptr(msg), wparam, lparam, 0, 0)
return ret
}
return 0
}
if opts.ctx != nil && opts.ctx.Err() != nil {
return nil, opts.ctx.Err()
}
instance, _, err := getModuleHandle.Call(0)
if instance == 0 {
return nil, err
}
cls, err := registerClass(instance, syscall.NewCallback(proc))
if cls == 0 {
return nil, err
}
defer unregisterClass.Call(cls, instance)
wnd, _, _ = createWindowEx.Call(0x10101, // WS_EX_CONTROLPARENT|WS_EX_WINDOWEDGE|WS_EX_DLGMODALFRAME
cls, strptr(title),
0x84c80000, // WS_POPUPWINDOW|WS_CLIPSIBLINGS|WS_DLGFRAME
0x80000000, // CW_USEDEFAULT
0x80000000, // CW_USEDEFAULT
281, 281, 0, 0, instance)
textCtl, _, _ = createWindowEx.Call(0,
strptr("STATIC"), strptr(text),
0x5002e080, // WS_CHILD|WS_VISIBLE|WS_GROUP|SS_WORDELLIPSIS|SS_EDITCONTROL|SS_NOPREFIX
12, 10, 241, 16, wnd, 0, instance)
var flags uintptr = 0x50320000 // WS_CHILD|WS_VISIBLE|WS_VSCROLL|WS_GROUP|WS_TABSTOP
if multiple {
flags |= 0x0800 // LBS_EXTENDEDSEL
}
listCtl, _, _ = createWindowEx.Call(0x200, // WS_EX_CLIENTEDGE
strptr("LISTBOX"), strptr(opts.entryText),
flags,
12, 30, 241, 164, wnd, 0, instance)
okBtn, _, _ = createWindowEx.Call(0,
strptr("BUTTON"), strptr(*opts.okLabel),
0x50030001, // WS_CHILD|WS_VISIBLE|WS_GROUP|WS_TABSTOP|BS_DEFPUSHBUTTON
12, 206, 75, 24, wnd, 1 /* IDOK */, instance)
cancelBtn, _, _ = createWindowEx.Call(0,
strptr("BUTTON"), strptr(*opts.cancelLabel),
0x50010000, // WS_CHILD|WS_VISIBLE|WS_GROUP|WS_TABSTOP
12, 206, 75, 24, wnd, 2 /* IDCANCEL */, instance)
if opts.extraButton != nil {
extraBtn, _, _ = createWindowEx.Call(0,
strptr("BUTTON"), strptr(*opts.extraButton),
0x50010000, // WS_CHILD|WS_VISIBLE|WS_GROUP|WS_TABSTOP
12, 206, 75, 24, wnd, 7 /* IDNO */, instance)
}
for _, item := range items {
sendMessage.Call(listCtl, 0x180 /* LB_ADDSTRING */, 0, strptr(item))
}
layout(getDPI(wnd))
centerWindow(wnd)
setFocus.Call(listCtl)
showWindow.Call(wnd, 1 /* SW_SHOWNORMAL */, 0)
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
out, err = nil, nil
if err := messageLoop(wnd); err != nil {
return nil, err
}
if opts.ctx != nil && opts.ctx.Err() != nil {
return nil, opts.ctx.Err()
}
return out, err
}

2
util_windows.go
View file

@ -114,8 +114,8 @@ func setup() context.CancelFunc {
return func() {
if old != 0 {
setThreadDpiAwarenessContext.Call(old)
runtime.UnlockOSThread()
}
runtime.UnlockOSThread()
}
}