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// 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 (
"syscall"
"unsafe"
)
func loadDll(fname string) uint32 {
h, e := syscall.LoadLibrary(fname)
if e != 0 {
abortf("LoadLibrary(%s) failed with err=%d.\n", fname, e)
}
return h
}
func getSysProcAddr(m uint32, pname string) uintptr {
p, e := syscall.GetProcAddress(m, pname)
if e != 0 {
abortf("GetProcAddress(%s) failed with err=%d.\n", pname, e)
}
return uintptr(p)
}
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 colour constants
COLOR_WINDOW = 5
COLOR_BTNFACE = 15
// Default window position
CW_USEDEFAULT = 0x80000000 - 0x100000000
// Show window default style
SW_SHOWDEFAULT = 10
)
var (
// Some globaly known cusrors
IDC_ARROW = MakeIntResource(32512)
IDC_IBEAM = MakeIntResource(32513)
IDC_WAIT = MakeIntResource(32514)
IDC_CROSS = MakeIntResource(32515)
// Some globaly 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)))
}
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