1 files changed, 131 insertions, 0 deletions
diff --git a/src/pkg/exp/wingui/winapi.go b/src/pkg/exp/wingui/winapi.go
new file mode 100644
index 000000000..31b57a2cc
--- /dev/null
+++ b/src/pkg/exp/wingui/winapi.go
@@ -0,0 +1,131 @@
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+import (
+	"unsafe"
+)
+
+type Wndclassex struct {
+	Size       uint32
+	Style      uint32
+	WndProc    uintptr
+	ClsExtra   int32
+	WndExtra   int32
+	Instance   uint32
+	Icon       uint32
+	Cursor     uint32
+	Background uint32
+	MenuName   *uint16
+	ClassName  *uint16
+	IconSm     uint32
+}
+
+type Point struct {
+	X int32
+	Y int32
+}
+
+type Msg struct {
+	Hwnd    uint32
+	Message uint32
+	Wparam  int32
+	Lparam  int32
+	Time    uint32
+	Pt      Point
+}
+
+const (
+	// Window styles
+	WS_OVERLAPPED   = 0
+	WS_POPUP        = 0x80000000
+	WS_CHILD        = 0x40000000
+	WS_MINIMIZE     = 0x20000000
+	WS_VISIBLE      = 0x10000000
+	WS_DISABLED     = 0x8000000
+	WS_CLIPSIBLINGS = 0x4000000
+	WS_CLIPCHILDREN = 0x2000000
+	WS_MAXIMIZE     = 0x1000000
+	WS_CAPTION      = WS_BORDER | WS_DLGFRAME
+	WS_BORDER       = 0x800000
+	WS_DLGFRAME     = 0x400000
+	WS_VSCROLL      = 0x200000
+	WS_HSCROLL      = 0x100000
+	WS_SYSMENU      = 0x80000
+	WS_THICKFRAME   = 0x40000
+	WS_GROUP        = 0x20000
+	WS_TABSTOP      = 0x10000
+	WS_MINIMIZEBOX  = 0x20000
+	WS_MAXIMIZEBOX  = 0x10000
+	WS_TILED        = WS_OVERLAPPED
+	WS_ICONIC       = WS_MINIMIZE
+	WS_SIZEBOX      = WS_THICKFRAME
+	// Common Window Styles
+	WS_OVERLAPPEDWINDOW = WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX
+	WS_TILEDWINDOW      = WS_OVERLAPPEDWINDOW
+	WS_POPUPWINDOW      = WS_POPUP | WS_BORDER | WS_SYSMENU
+	WS_CHILDWINDOW      = WS_CHILD
+
+	WS_EX_CLIENTEDGE = 0x200
+
+	// Some windows messages
+	WM_CREATE  = 1
+	WM_DESTROY = 2
+	WM_CLOSE   = 16
+	WM_COMMAND = 273
+
+	// Some button control styles
+	BS_DEFPUSHBUTTON = 1
+
+	// Some color constants
+	COLOR_WINDOW  = 5
+	COLOR_BTNFACE = 15
+
+	// Default window position
+	CW_USEDEFAULT = 0x80000000 - 0x100000000
+
+	// Show window default style
+	SW_SHOWDEFAULT = 10
+)
+
+var (
+	// Some globally known cursors
+	IDC_ARROW = MakeIntResource(32512)
+	IDC_IBEAM = MakeIntResource(32513)
+	IDC_WAIT  = MakeIntResource(32514)
+	IDC_CROSS = MakeIntResource(32515)
+
+	// Some globally known icons
+	IDI_APPLICATION = MakeIntResource(32512)
+	IDI_HAND        = MakeIntResource(32513)
+	IDI_QUESTION    = MakeIntResource(32514)
+	IDI_EXCLAMATION = MakeIntResource(32515)
+	IDI_ASTERISK    = MakeIntResource(32516)
+	IDI_WINLOGO     = MakeIntResource(32517)
+	IDI_WARNING     = IDI_EXCLAMATION
+	IDI_ERROR       = IDI_HAND
+	IDI_INFORMATION = IDI_ASTERISK
+)
+
+//sys	GetModuleHandle(modname *uint16) (handle uint32, errno int) = GetModuleHandleW
+//sys	RegisterClassEx(wndclass *Wndclassex) (atom uint16, errno int) = user32.RegisterClassExW
+//sys	CreateWindowEx(exstyle uint32, classname *uint16, windowname *uint16, style uint32, x int32, y int32, width int32, height int32, wndparent uint32, menu uint32, instance uint32, param uintptr) (hwnd uint32, errno int) = user32.CreateWindowExW
+//sys	DefWindowProc(hwnd uint32, msg uint32, wparam int32, lparam int32) (lresult int32) = user32.DefWindowProcW
+//sys	DestroyWindow(hwnd uint32) (errno int) = user32.DestroyWindow
+//sys	PostQuitMessage(exitcode int32) = user32.PostQuitMessage
+//sys	ShowWindow(hwnd uint32, cmdshow int32) (wasvisible bool) = user32.ShowWindow
+//sys	UpdateWindow(hwnd uint32) (errno int) = user32.UpdateWindow
+//sys	GetMessage(msg *Msg, hwnd uint32, MsgFilterMin uint32, MsgFilterMax uint32) (ret int32, errno int) [failretval==-1] = user32.GetMessageW
+//sys	TranslateMessage(msg *Msg) (done bool) = user32.TranslateMessage
+//sys	DispatchMessage(msg *Msg) (ret int32) = user32.DispatchMessageW
+//sys	LoadIcon(instance uint32, iconname *uint16) (icon uint32, errno int) = user32.LoadIconW
+//sys	LoadCursor(instance uint32, cursorname *uint16) (cursor uint32, errno int) = user32.LoadCursorW
+//sys	SetCursor(cursor uint32) (precursor uint32, errno int) = user32.SetCursor
+//sys	SendMessage(hwnd uint32, msg uint32, wparam int32, lparam int32) (lresult int32) = user32.SendMessageW
+//sys	PostMessage(hwnd uint32, msg uint32, wparam int32, lparam int32) (errno int) = user32.PostMessageW
+
+func MakeIntResource(id uint16) *uint16 {
+	return (*uint16)(unsafe.Pointer(uintptr(id)))
+}