Avoid progress closure in syscall.NewCallback, #20.
This commit is contained in:
Nuno Cruces
parent
9fa3ac432b
commit
31912f59fa
1 changed files with 81 additions and 72 deletions
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@ -4,6 +4,7 @@ import (
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"context"
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"sync"
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"syscall"
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"unsafe"
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)
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func progress(opts options) (ProgressDialog, error) {
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@ -44,73 +45,11 @@ func progress(opts options) (ProgressDialog, error) {
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return dlg, nil
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}
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func progressDlg(opts options, dlg *progressDialog) (err error) {
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func progressDlg(opts options, dlg *progressDialog) error {
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defer dlg.init.Done()
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defer setup()()
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font := getFont()
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defer font.delete()
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defWindowProc := defWindowProc.Addr()
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layout := func(dpi dpi) {
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font := font.forDPI(dpi)
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sendMessage.Call(dlg.textCtl, 0x0030 /* WM_SETFONT */, font, 1)
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sendMessage.Call(dlg.okBtn, 0x0030 /* WM_SETFONT */, font, 1)
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sendMessage.Call(dlg.cancelBtn, 0x0030 /* WM_SETFONT */, font, 1)
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sendMessage.Call(dlg.extraBtn, 0x0030 /* WM_SETFONT */, font, 1)
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setWindowPos.Call(dlg.wnd, 0, 0, 0, dpi.scale(281), dpi.scale(133), 0x6) // SWP_NOZORDER|SWP_NOMOVE
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setWindowPos.Call(dlg.textCtl, 0, dpi.scale(12), dpi.scale(10), dpi.scale(241), dpi.scale(16), 0x4) // SWP_NOZORDER
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setWindowPos.Call(dlg.progCtl, 0, dpi.scale(12), dpi.scale(30), dpi.scale(241), dpi.scale(16), 0x4) // SWP_NOZORDER
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if dlg.extraBtn == 0 {
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if dlg.cancelBtn == 0 {
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setWindowPos.Call(dlg.okBtn, 0, dpi.scale(178), dpi.scale(58), dpi.scale(75), dpi.scale(24), 0x4) // SWP_NOZORDER
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} else {
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setWindowPos.Call(dlg.okBtn, 0, dpi.scale(95), dpi.scale(58), dpi.scale(75), dpi.scale(24), 0x4) // SWP_NOZORDER
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setWindowPos.Call(dlg.cancelBtn, 0, dpi.scale(178), dpi.scale(58), dpi.scale(75), dpi.scale(24), 0x4) // SWP_NOZORDER
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}
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} else {
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if dlg.cancelBtn == 0 {
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setWindowPos.Call(dlg.okBtn, 0, dpi.scale(95), dpi.scale(58), dpi.scale(75), dpi.scale(24), 0x4) // SWP_NOZORDER
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setWindowPos.Call(dlg.extraBtn, 0, dpi.scale(178), dpi.scale(58), dpi.scale(75), dpi.scale(24), 0x4) // SWP_NOZORDER
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} else {
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setWindowPos.Call(dlg.okBtn, 0, dpi.scale(12), dpi.scale(58), dpi.scale(75), dpi.scale(24), 0x4) // SWP_NOZORDER
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setWindowPos.Call(dlg.extraBtn, 0, dpi.scale(95), dpi.scale(58), dpi.scale(75), dpi.scale(24), 0x4) // SWP_NOZORDER
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setWindowPos.Call(dlg.cancelBtn, 0, dpi.scale(178), dpi.scale(58), dpi.scale(75), dpi.scale(24), 0x4) // SWP_NOZORDER
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}
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}
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}
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proc := func(wnd uintptr, msg uint32, wparam, lparam uintptr) uintptr {
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switch msg {
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case 0x0002: // WM_DESTROY
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postQuitMessage.Call(0)
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case 0x0010: // WM_CLOSE
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err = ErrCanceled
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destroyWindow.Call(wnd)
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case 0x0111: // WM_COMMAND
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switch wparam {
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default:
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return 1
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case 1, 6: // IDOK, IDYES
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//
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case 2: // IDCANCEL
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err = ErrCanceled
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case 7: // IDNO
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err = ErrExtraButton
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}
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destroyWindow.Call(wnd)
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case 0x02e0: // WM_DPICHANGED
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layout(dpi(uint32(wparam) >> 16))
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default:
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res, _, _ := syscall.Syscall6(defWindowProc, 4, wnd, uintptr(msg), wparam, lparam, 0, 0)
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return res
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}
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return 0
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}
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dlg.font = getFont()
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defer dlg.font.delete()
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if opts.ctx != nil && opts.ctx.Err() != nil {
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return opts.ctx.Err()
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@ -121,7 +60,7 @@ func progressDlg(opts options, dlg *progressDialog) (err error) {
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return err
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}
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cls, err := registerClass(instance, syscall.NewCallback(proc))
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cls, err := registerClass(instance, syscall.NewCallback(progressProc))
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if cls == 0 {
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return err
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}
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@ -132,7 +71,7 @@ func progressDlg(opts options, dlg *progressDialog) (err error) {
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0x84c80000, // WS_POPUPWINDOW|WS_CLIPSIBLINGS|WS_DLGFRAME
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0x80000000, // CW_USEDEFAULT
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0x80000000, // CW_USEDEFAULT
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281, 133, 0, 0, instance, 0)
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281, 133, 0, 0, instance, uintptr(unsafe.Pointer(dlg)))
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dlg.textCtl, _, _ = createWindowEx.Call(0,
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strptr("STATIC"), 0,
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@ -165,7 +104,7 @@ func progressDlg(opts options, dlg *progressDialog) (err error) {
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12, 58, 75, 24, dlg.wnd, 7 /* IDNO */, instance, 0)
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}
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layout(getDPI(dlg.wnd))
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dlg.layout(getDPI(dlg.wnd))
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centerWindow(dlg.wnd)
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showWindow.Call(dlg.wnd, 1 /* SW_SHOWNORMAL */, 0)
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if opts.maxValue < 0 {
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@ -188,16 +127,13 @@ func progressDlg(opts options, dlg *progressDialog) (err error) {
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}()
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}
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// set default values
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err = nil
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if err := messageLoop(dlg.wnd); err != nil {
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return err
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}
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if opts.ctx != nil && opts.ctx.Err() != nil {
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return opts.ctx.Err()
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}
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return err
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return dlg.err
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}
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type progressDialog struct {
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@ -211,6 +147,7 @@ type progressDialog struct {
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cancelBtn uintptr
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extraBtn uintptr
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err error
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font font
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}
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func (d *progressDialog) Text(text string) error {
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@ -266,3 +203,75 @@ func (d *progressDialog) Close() error {
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}
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return d.err
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}
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func (d *progressDialog) layout(dpi dpi) {
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font := d.font.forDPI(dpi)
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sendMessage.Call(d.textCtl, 0x0030 /* WM_SETFONT */, font, 1)
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sendMessage.Call(d.okBtn, 0x0030 /* WM_SETFONT */, font, 1)
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sendMessage.Call(d.cancelBtn, 0x0030 /* WM_SETFONT */, font, 1)
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sendMessage.Call(d.extraBtn, 0x0030 /* WM_SETFONT */, font, 1)
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setWindowPos.Call(d.wnd, 0, 0, 0, dpi.scale(281), dpi.scale(133), 0x6) // SWP_NOZORDER|SWP_NOMOVE
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setWindowPos.Call(d.textCtl, 0, dpi.scale(12), dpi.scale(10), dpi.scale(241), dpi.scale(16), 0x4) // SWP_NOZORDER
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setWindowPos.Call(d.progCtl, 0, dpi.scale(12), dpi.scale(30), dpi.scale(241), dpi.scale(16), 0x4) // SWP_NOZORDER
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if d.extraBtn == 0 {
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if d.cancelBtn == 0 {
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setWindowPos.Call(d.okBtn, 0, dpi.scale(178), dpi.scale(58), dpi.scale(75), dpi.scale(24), 0x4) // SWP_NOZORDER
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} else {
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setWindowPos.Call(d.okBtn, 0, dpi.scale(95), dpi.scale(58), dpi.scale(75), dpi.scale(24), 0x4) // SWP_NOZORDER
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setWindowPos.Call(d.cancelBtn, 0, dpi.scale(178), dpi.scale(58), dpi.scale(75), dpi.scale(24), 0x4) // SWP_NOZORDER
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}
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} else {
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if d.cancelBtn == 0 {
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setWindowPos.Call(d.okBtn, 0, dpi.scale(95), dpi.scale(58), dpi.scale(75), dpi.scale(24), 0x4) // SWP_NOZORDER
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setWindowPos.Call(d.extraBtn, 0, dpi.scale(178), dpi.scale(58), dpi.scale(75), dpi.scale(24), 0x4) // SWP_NOZORDER
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} else {
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setWindowPos.Call(d.okBtn, 0, dpi.scale(12), dpi.scale(58), dpi.scale(75), dpi.scale(24), 0x4) // SWP_NOZORDER
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setWindowPos.Call(d.extraBtn, 0, dpi.scale(95), dpi.scale(58), dpi.scale(75), dpi.scale(24), 0x4) // SWP_NOZORDER
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setWindowPos.Call(d.cancelBtn, 0, dpi.scale(178), dpi.scale(58), dpi.scale(75), dpi.scale(24), 0x4) // SWP_NOZORDER
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}
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}
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}
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func progressProc(wnd uintptr, msg uint32, wparam uintptr, lparam *unsafe.Pointer) uintptr {
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var dlg *progressDialog
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switch msg {
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case 0x0081: // WM_NCCREATE
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saveBackRef(wnd, *lparam)
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dlg = (*progressDialog)(*lparam)
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case 0x0082: // WM_NCDESTROY
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deleteBackRef(wnd)
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default:
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dlg = (*progressDialog)(loadBackRef(wnd))
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}
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switch msg {
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case 0x0002: // WM_DESTROY
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postQuitMessage.Call(0)
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case 0x0010: // WM_CLOSE
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dlg.err = ErrCanceled
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destroyWindow.Call(wnd)
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case 0x0111: // WM_COMMAND
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switch wparam {
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default:
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return 1
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case 1, 6: // IDOK, IDYES
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//
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case 2: // IDCANCEL
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dlg.err = ErrCanceled
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case 7: // IDNO
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dlg.err = ErrExtraButton
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}
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destroyWindow.Call(wnd)
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case 0x02e0: // WM_DPICHANGED
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dlg.layout(dpi(uint32(wparam) >> 16))
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default:
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res, _, _ := syscall.Syscall6(defWindowProc.Addr(), 4, wnd, uintptr(msg), wparam, uintptr(unsafe.Pointer(lparam)), 0, 0)
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return res
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}
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return 0
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}
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