Integrate draw2d to win32
This commit is contained in:
Laurent Le Goff
parent
4ad77aa4a2
commit
bb4ed43b8a
7 changed files with 740 additions and 1 deletions
3
Makefile
3
Makefile
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@ -6,11 +6,14 @@ all: install
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install:
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cd draw2d && make install
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cd postscript && make install
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cd wingui && make install
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clean:
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cd draw2d && make clean
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cd postscript && make clean
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cd wingui && make clean
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nuke:
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cd draw2d && make nuke
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cd postscript && make nuke
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cd wingui && make nuke
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@ -1,7 +1,7 @@
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include $(GOROOT)/src/Make.inc
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TARG=gettingStarted testdraw2d testX11draw testandroid testgopher testimage testpostscript
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TARG=gettingStarted testdraw2d testX11draw testandroid testgopher testimage testpostscript testWalkDraw
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OFILES=$(TARG:%=%.$O)
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228
cmd/testWalkDraw.go
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228
cmd/testWalkDraw.go
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@ -0,0 +1,228 @@
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// Copyright 2011 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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import (
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"fmt"
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"syscall"
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"os"
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"unsafe"
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"image"
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"io/ioutil"
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"strings"
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"draw2d.googlecode.com/hg/draw2d"
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"draw2d.googlecode.com/hg/postscript"
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"draw2d.googlecode.com/hg/wingui"
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)
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// some help functions
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func abortf(format string, a ...interface{}) {
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fmt.Fprintf(os.Stdout, format, a...)
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os.Exit(1)
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}
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func abortErrNo(funcname string, err int) {
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abortf("%s failed: %d %s\n", funcname, err, syscall.Errstr(err))
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}
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// global vars
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func TestDrawCubicCurve(gc draw2d.GraphicContext) {
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// draw a cubic curve
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x, y := 25.6, 128.0
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x1, y1 := 102.4, 230.4
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x2, y2 := 153.6, 25.6
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x3, y3 := 230.4, 128.0
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gc.SetFillColor(image.NRGBAColor{0xAA, 0xAA, 0xAA, 0xFF})
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gc.SetLineWidth(10)
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gc.MoveTo(x, y)
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gc.CubicCurveTo(x1, y1, x2, y2, x3, y3)
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gc.Stroke()
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gc.SetStrokeColor(image.NRGBAColor{0xFF, 0x33, 0x33, 0x88})
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gc.SetLineWidth(6)
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// draw segment of curve
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gc.MoveTo(x, y)
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gc.LineTo(x1, y1)
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gc.LineTo(x2, y2)
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gc.LineTo(x3, y3)
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gc.Stroke()
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}
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var (
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mh uint32
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wndBufferHeader uint32
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wndBuffer wingui.BITMAP
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hdcWndBuffer uint32
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ppvBits *image.RGBAColor
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backBuffer *image.RGBA
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postscriptContent string
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)
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// WinProc called by windows to notify us of all windows events we might be interested in.
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func WndProc(hwnd, msg uint32, wparam, lparam int32) uintptr {
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var rc int32
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switch msg {
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case wingui.WM_CREATE:
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hdc := wingui.GetDC(hwnd);
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wndBufferHeader = wingui.CreateCompatibleBitmap(hdc, 600, 800)
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wingui.GetObject(wndBufferHeader, unsafe.Sizeof(wndBuffer), uintptr(unsafe.Pointer(&wndBuffer)))
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hdcWndBuffer = wingui.CreateCompatibleDC(hdc)
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wingui.SelectObject(hdcWndBuffer, wndBufferHeader)
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var bmp_header wingui.BITMAPINFOHEADER
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bmp_header.Size = uint32(unsafe.Sizeof(bmp_header))
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bmp_header.Width = 600
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bmp_header.Height = 800
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bmp_header.SizeImage = 0// the api says this must be 0 for BI_RGB images
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bmp_header.Compression = wingui.BI_RGB
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bmp_header.BitCount = 32
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bmp_header.Planes = 1
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bmp_header.XPelsPerMeter = 0
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bmp_header.YPelsPerMeter = 0
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bmp_header.ClrUsed = 0
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bmp_header.ClrImportant = 0
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//bitmap info
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var bmpinfo wingui.BITMAPINFO
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bmpinfo.Colors[0].Blue = 0
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bmpinfo.Colors[0].Green = 0
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bmpinfo.Colors[0].Red = 0
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bmpinfo.Colors[0].Reserved = 0
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bmpinfo.Header = bmp_header
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wndBufferHeader = wingui.CreateDIBSection(hdc, &bmpinfo, wingui.DIB_RGB_COLORS, uintptr(unsafe.Pointer(&ppvBits)), 0, 0)
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wingui.GetObject(wndBufferHeader, unsafe.Sizeof(wndBufferHeader), uintptr(unsafe.Pointer(&wndBuffer)))
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hdcWndBuffer = wingui.CreateCompatibleDC(hdc)
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wingui.SelectObject(hdcWndBuffer, wndBufferHeader)
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pixel := (*[600*800]image.RGBAColor)(unsafe.Pointer(ppvBits))
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pixelSlice := pixel[:]
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backBuffer = &image.RGBA{pixelSlice, 600, image.Rect(0, 0, 600, 800)}
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fmt.Println("Create windows")
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rc = wingui.DefWindowProc(hwnd, msg, wparam, lparam)
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case wingui.WM_COMMAND:
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switch uint32(lparam) {
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default:
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rc = wingui.DefWindowProc(hwnd, msg, wparam, lparam)
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}
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case wingui.WM_PAINT:
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var ps wingui.PAINTSTRUCT
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hdc := wingui.BeginPaint(hwnd, &ps)
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gc := draw2d.NewImageGraphicContext(backBuffer)
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gc.SetFillColor(image.RGBAColor{0xFF, 0xFF, 0xFF, 0xFF})
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gc.Clear()
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gc.Save()
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//gc.Translate(0, -380)
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interpreter := postscript.NewInterpreter(gc)
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reader := strings.NewReader(postscriptContent)
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interpreter.Execute(reader)
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gc.Restore()
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wingui.BitBlt(hdc, 0, 0 , int(wndBuffer.Width), int(wndBuffer.Height), hdcWndBuffer, 0, 0, wingui.SRCCOPY);
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wingui.EndPaint(hwnd, &ps)
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rc = wingui.DefWindowProc(hwnd, msg, wparam, lparam)
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case wingui.WM_CLOSE:
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wingui.DestroyWindow(hwnd)
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case wingui.WM_DESTROY:
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wingui.PostQuitMessage(0)
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default:
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rc = wingui.DefWindowProc(hwnd, msg, wparam, lparam)
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}
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return uintptr(rc)
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}
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func rungui() int {
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var e int
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// GetModuleHandle
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mh, e = wingui.GetModuleHandle(nil)
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if e != 0 {
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abortErrNo("GetModuleHandle", e)
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}
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// Get icon we're going to use.
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myicon, e := wingui.LoadIcon(0, wingui.IDI_APPLICATION)
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if e != 0 {
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abortErrNo("LoadIcon", e)
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}
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// Get cursor we're going to use.
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mycursor, e := wingui.LoadCursor(0, wingui.IDC_ARROW)
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if e != 0 {
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abortErrNo("LoadCursor", e)
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}
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// Create callback
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wproc := syscall.NewCallback(WndProc)
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// RegisterClassEx
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wcname := syscall.StringToUTF16Ptr("Test Draw2d")
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var wc wingui.Wndclassex
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wc.Size = uint32(unsafe.Sizeof(wc))
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wc.WndProc = wproc
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wc.Instance = mh
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wc.Icon = myicon
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wc.Cursor = mycursor
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wc.Background = wingui.COLOR_BTNFACE + 1
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wc.MenuName = nil
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wc.ClassName = wcname
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wc.IconSm = myicon
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if _, e := wingui.RegisterClassEx(&wc); e != 0 {
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abortErrNo("RegisterClassEx", e)
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}
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// CreateWindowEx
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wh, e := wingui.CreateWindowEx(
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wingui.WS_EX_CLIENTEDGE,
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wcname,
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syscall.StringToUTF16Ptr("My window"),
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wingui.WS_OVERLAPPEDWINDOW,
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wingui.CW_USEDEFAULT, wingui.CW_USEDEFAULT, 600, 800,
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0, 0, mh, 0)
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if e != 0 {
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abortErrNo("CreateWindowEx", e)
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}
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fmt.Printf("main window handle is %x\n", wh)
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// ShowWindow
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wingui.ShowWindow(wh, wingui.SW_SHOWDEFAULT)
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// UpdateWindow
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if e := wingui.UpdateWindow(wh); e != 0 {
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abortErrNo("UpdateWindow", e)
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}
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// Process all windows messages until WM_QUIT.
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var m wingui.Msg
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for {
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r, e := wingui.GetMessage(&m, 0, 0, 0)
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if e != 0 {
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abortErrNo("GetMessage", e)
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}
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if r == 0 {
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// WM_QUIT received -> get out
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break
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}
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wingui.TranslateMessage(&m)
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wingui.DispatchMessage(&m)
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}
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return int(m.Wparam)
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}
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func main() {
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src, err := os.Open("../resource/postscript/tiger.ps", 0, 0)
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if err != nil {
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fmt.Println("can't find postscript file.")
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return
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}
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defer src.Close()
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bytes, err := ioutil.ReadAll(src)
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postscriptContent = string(bytes)
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rc := rungui()
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os.Exit(rc)
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}
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10
wingui/Makefile
Normal file
10
wingui/Makefile
Normal file
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@ -0,0 +1,10 @@
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include $(GOROOT)/src/Make.inc
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TARG=draw2d.googlecode.com/hg/wingui
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GOFILES=\
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winapi.go\
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wingdi.go\
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zwinapi.go\
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include $(GOROOT)/src/Make.pkg
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155
wingui/winapi.go
Normal file
155
wingui/winapi.go
Normal file
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@ -0,0 +1,155 @@
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// Copyright 2011 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package wingui
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import (
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"syscall"
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"unsafe"
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"fmt"
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"os"
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)
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func abortf(format string, a ...interface{}) {
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fmt.Fprintf(os.Stdout, format, a...)
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os.Exit(1)
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}
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func loadDll(fname string) uint32 {
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h, e := syscall.LoadLibrary(fname)
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if e != 0 {
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abortf("LoadLibrary(%s) failed with err=%d.\n", fname, e)
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}
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return h
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}
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func getSysProcAddr(m uint32, pname string) uintptr {
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p, e := syscall.GetProcAddress(m, pname)
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if e != 0 {
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abortf("GetProcAddress(%s) failed with err=%d.\n", pname, e)
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}
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return uintptr(p)
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}
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type Wndclassex struct {
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Size uint32
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Style uint32
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WndProc uintptr
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ClsExtra int32
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WndExtra int32
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Instance uint32
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Icon uint32
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Cursor uint32
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Background uint32
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MenuName *uint16
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ClassName *uint16
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IconSm uint32
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}
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type Point struct {
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X int32
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Y int32
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}
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type Msg struct {
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Hwnd uint32
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Message uint32
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Wparam int32
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Lparam int32
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Time uint32
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Pt Point
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}
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const (
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// Window styles
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WS_OVERLAPPED = 0
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WS_POPUP = 0x80000000
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WS_CHILD = 0x40000000
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WS_MINIMIZE = 0x20000000
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WS_VISIBLE = 0x10000000
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WS_DISABLED = 0x8000000
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WS_CLIPSIBLINGS = 0x4000000
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WS_CLIPCHILDREN = 0x2000000
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WS_MAXIMIZE = 0x1000000
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WS_CAPTION = WS_BORDER | WS_DLGFRAME
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WS_BORDER = 0x800000
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WS_DLGFRAME = 0x400000
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WS_VSCROLL = 0x200000
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WS_HSCROLL = 0x100000
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WS_SYSMENU = 0x80000
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WS_THICKFRAME = 0x40000
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WS_GROUP = 0x20000
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WS_TABSTOP = 0x10000
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WS_MINIMIZEBOX = 0x20000
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WS_MAXIMIZEBOX = 0x10000
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WS_TILED = WS_OVERLAPPED
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WS_ICONIC = WS_MINIMIZE
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WS_SIZEBOX = WS_THICKFRAME
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// Common Window Styles
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WS_OVERLAPPEDWINDOW = WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX
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WS_TILEDWINDOW = WS_OVERLAPPEDWINDOW
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WS_POPUPWINDOW = WS_POPUP | WS_BORDER | WS_SYSMENU
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WS_CHILDWINDOW = WS_CHILD
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WS_EX_CLIENTEDGE = 0x200
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// Some windows messages
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WM_CREATE = 1
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WM_DESTROY = 2
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WM_CLOSE = 16
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WM_COMMAND = 273
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// Some button control styles
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BS_DEFPUSHBUTTON = 1
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// Some colour constants
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COLOR_WINDOW = 5
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COLOR_BTNFACE = 15
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// Default window position
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CW_USEDEFAULT = 0x80000000 - 0x100000000
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// Show window default style
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SW_SHOWDEFAULT = 10
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)
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var (
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// Some globaly known cusrors
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IDC_ARROW = MakeIntResource(32512)
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IDC_IBEAM = MakeIntResource(32513)
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IDC_WAIT = MakeIntResource(32514)
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IDC_CROSS = MakeIntResource(32515)
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// Some globaly known icons
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IDI_APPLICATION = MakeIntResource(32512)
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IDI_HAND = MakeIntResource(32513)
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IDI_QUESTION = MakeIntResource(32514)
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IDI_EXCLAMATION = MakeIntResource(32515)
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IDI_ASTERISK = MakeIntResource(32516)
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IDI_WINLOGO = MakeIntResource(32517)
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IDI_WARNING = IDI_EXCLAMATION
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IDI_ERROR = IDI_HAND
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IDI_INFORMATION = IDI_ASTERISK
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)
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//sys GetModuleHandle(modname *uint16) (handle uint32, errno int) = GetModuleHandleW
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//sys RegisterClassEx(wndclass *Wndclassex) (atom uint16, errno int) = user32.RegisterClassExW
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//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
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//sys DefWindowProc(hwnd uint32, msg uint32, wparam int32, lparam int32) (lresult int32) = user32.DefWindowProcW
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//sys DestroyWindow(hwnd uint32) (errno int) = user32.DestroyWindow
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//sys PostQuitMessage(exitcode int32) = user32.PostQuitMessage
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//sys ShowWindow(hwnd uint32, cmdshow int32) (wasvisible bool) = user32.ShowWindow
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//sys UpdateWindow(hwnd uint32) (errno int) = user32.UpdateWindow
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//sys GetMessage(msg *Msg, hwnd uint32, MsgFilterMin uint32, MsgFilterMax uint32) (ret int32, errno int) [failretval==-1] = user32.GetMessageW
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//sys TranslateMessage(msg *Msg) (done bool) = user32.TranslateMessage
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//sys DispatchMessage(msg *Msg) (ret int32) = user32.DispatchMessageW
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//sys LoadIcon(instance uint32, iconname *uint16) (icon uint32, errno int) = user32.LoadIconW
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//sys LoadCursor(instance uint32, cursorname *uint16) (cursor uint32, errno int) = user32.LoadCursorW
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//sys SetCursor(cursor uint32) (precursor uint32, errno int) = user32.SetCursor
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//sys SendMessage(hwnd uint32, msg uint32, wparam int32, lparam int32) (lresult int32) = user32.SendMessageW
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//sys PostMessage(hwnd uint32, msg uint32, wparam int32, lparam int32) (errno int) = user32.PostMessageW
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func MakeIntResource(id uint16) *uint16 {
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return (*uint16)(unsafe.Pointer(uintptr(id)))
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}
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134
wingui/wingdi.go
Normal file
134
wingui/wingdi.go
Normal file
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@ -0,0 +1,134 @@
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package wingui
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import (
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"syscall"
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"unsafe"
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)
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const (
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WM_PAINT = 15
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BI_RGB = 0
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DIB_PAL_COLORS = 1
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DIB_RGB_COLORS = 0
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SRCCOPY = 0xCC0020
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)
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type RECT struct{
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Left int32
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Top int32
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Right int32
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Bottom int32
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}
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type PAINTSTRUCT struct{
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HDC uint32
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Erase int32 // bool
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RcPaint RECT
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Restore int32 // bool
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IncUpdate int32 // bool
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rgbReserved [32]byte
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}
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type BITMAP struct{
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Type int32
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Width int32
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Height int32
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WidthBytes int32
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Planes uint16
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BitsPixel uint16
|
||||
Bits * byte
|
||||
}
|
||||
|
||||
type BITMAPINFOHEADER struct{
|
||||
Size uint32
|
||||
Width int32
|
||||
Height int32
|
||||
Planes uint16
|
||||
BitCount uint16
|
||||
Compression uint32
|
||||
SizeImage uint32
|
||||
XPelsPerMeter int32
|
||||
YPelsPerMeter int32
|
||||
ClrUsed uint32
|
||||
ClrImportant uint32
|
||||
}
|
||||
|
||||
type BITMAPINFO struct{
|
||||
Header BITMAPINFOHEADER
|
||||
Colors [1]RGBQUAD
|
||||
}
|
||||
|
||||
type RGBQUAD struct{
|
||||
Blue byte
|
||||
Green byte
|
||||
Red byte
|
||||
Reserved byte
|
||||
}
|
||||
|
||||
var (
|
||||
modgdi32 = loadDll("gdi32.dll")
|
||||
|
||||
procGetDC = getSysProcAddr(moduser32, "GetDC")
|
||||
procCreateCompatibleDC = getSysProcAddr(modgdi32, "CreateCompatibleDC")
|
||||
procGetObject = getSysProcAddr(modgdi32, "GetObjectW")
|
||||
procSelectObject = getSysProcAddr(modgdi32, "SelectObject")
|
||||
procBeginPaint = getSysProcAddr(moduser32, "BeginPaint")
|
||||
procEndPaint = getSysProcAddr(moduser32, "EndPaint")
|
||||
procCreateCompatibleBitmap = getSysProcAddr(modgdi32, "CreateCompatibleBitmap")
|
||||
procCreateDIBSection = getSysProcAddr(modgdi32, "CreateDIBSection")
|
||||
procBitBlt = getSysProcAddr(modgdi32, "BitBlt")
|
||||
|
||||
)
|
||||
|
||||
func GetDC(hwnd uint32) (hdc uint32) {
|
||||
r0, _, _ := syscall.Syscall(procGetDC, 1, uintptr(hwnd), 0, 0)
|
||||
hdc = uint32(r0)
|
||||
return hdc
|
||||
}
|
||||
|
||||
func CreateCompatibleDC(hwnd uint32) (hdc uint32) {
|
||||
r0, _, _ := syscall.Syscall(procCreateCompatibleDC, 1, uintptr(hwnd), 0, 0)
|
||||
hdc = uint32(r0)
|
||||
return hdc
|
||||
}
|
||||
|
||||
func GetObject(hgdiobj uint32, cbBuffer int, object uintptr) (size uint32) {
|
||||
r0, _, _ := syscall.Syscall(procGetObject, 3, uintptr(hgdiobj), uintptr(cbBuffer), object)
|
||||
size = uint32(r0)
|
||||
return size
|
||||
}
|
||||
|
||||
func SelectObject(hdc uint32, hgdiobj uint32) (uint32) {
|
||||
r0, _, _ := syscall.Syscall(procSelectObject, 2, uintptr(hdc), uintptr(hgdiobj), 0)
|
||||
return uint32(r0)
|
||||
}
|
||||
|
||||
func BeginPaint(hwnd uint32, ps *PAINTSTRUCT) (hdc uint32) {
|
||||
r0, _, _ := syscall.Syscall(procBeginPaint, 2, uintptr(hwnd), uintptr(unsafe.Pointer(ps)), 0)
|
||||
hdc = uint32(r0)
|
||||
return hdc
|
||||
}
|
||||
|
||||
func EndPaint(hwnd uint32, ps *PAINTSTRUCT) bool {
|
||||
syscall.Syscall(procEndPaint, 2, uintptr(hwnd), uintptr(unsafe.Pointer(ps)), 0)
|
||||
return true
|
||||
}
|
||||
|
||||
func CreateCompatibleBitmap(hdc uint32, width ,height int) ( hbitmap uint32) {
|
||||
r0, _, _ := syscall.Syscall(procCreateCompatibleBitmap, 3, uintptr(hdc), uintptr(width), uintptr(height))
|
||||
return uint32(r0)
|
||||
}
|
||||
|
||||
func CreateDIBSection(hdc uint32, pbmi *BITMAPINFO , iUsage uint, ppvBits uintptr, hSection uint32, dwOffset uint32) ( hbitmap uint32) {
|
||||
r0, _, _ := syscall.Syscall6(procCreateDIBSection, 6, uintptr(hdc), uintptr(unsafe.Pointer(pbmi)), uintptr(iUsage), ppvBits, uintptr(hSection), uintptr(dwOffset))
|
||||
return uint32(r0)
|
||||
}
|
||||
|
||||
func BitBlt(hdc uint32, nXDest, nYDest, nWidth, nHeight int, hdcSrc uint32, nXSrc, nYSrc int, dwRop uint32) ( bool) {
|
||||
r0, _, _ := syscall.Syscall9(procBitBlt, 9, uintptr(hdc), uintptr(nXDest), uintptr(nYDest), uintptr(nWidth), uintptr(nHeight), uintptr(hdcSrc), uintptr(nXSrc), uintptr(nYSrc), uintptr(dwRop))
|
||||
return r0 != 0
|
||||
}
|
||||
209
wingui/zwinapi.go
Normal file
209
wingui/zwinapi.go
Normal file
|
|
@ -0,0 +1,209 @@
|
|||
package wingui
|
||||
|
||||
|
||||
import "unsafe"
|
||||
import "syscall"
|
||||
|
||||
var (
|
||||
modkernel32 = loadDll("kernel32.dll")
|
||||
moduser32 = loadDll("user32.dll")
|
||||
|
||||
procGetModuleHandleW = getSysProcAddr(modkernel32, "GetModuleHandleW")
|
||||
procRegisterClassExW = getSysProcAddr(moduser32, "RegisterClassExW")
|
||||
procCreateWindowExW = getSysProcAddr(moduser32, "CreateWindowExW")
|
||||
procDefWindowProcW = getSysProcAddr(moduser32, "DefWindowProcW")
|
||||
procDestroyWindow = getSysProcAddr(moduser32, "DestroyWindow")
|
||||
procPostQuitMessage = getSysProcAddr(moduser32, "PostQuitMessage")
|
||||
procShowWindow = getSysProcAddr(moduser32, "ShowWindow")
|
||||
procUpdateWindow = getSysProcAddr(moduser32, "UpdateWindow")
|
||||
procGetMessageW = getSysProcAddr(moduser32, "GetMessageW")
|
||||
procTranslateMessage = getSysProcAddr(moduser32, "TranslateMessage")
|
||||
procDispatchMessageW = getSysProcAddr(moduser32, "DispatchMessageW")
|
||||
procLoadIconW = getSysProcAddr(moduser32, "LoadIconW")
|
||||
procLoadCursorW = getSysProcAddr(moduser32, "LoadCursorW")
|
||||
procSetCursor = getSysProcAddr(moduser32, "SetCursor")
|
||||
procSendMessageW = getSysProcAddr(moduser32, "SendMessageW")
|
||||
procPostMessageW = getSysProcAddr(moduser32, "PostMessageW")
|
||||
)
|
||||
|
||||
func GetModuleHandle(modname *uint16) (handle uint32, errno int) {
|
||||
r0, _, e1 := syscall.Syscall(procGetModuleHandleW, 1, uintptr(unsafe.Pointer(modname)), 0, 0)
|
||||
handle = uint32(r0)
|
||||
if handle == 0 {
|
||||
if e1 != 0 {
|
||||
errno = int(e1)
|
||||
} else {
|
||||
errno = syscall.EINVAL
|
||||
}
|
||||
} else {
|
||||
errno = 0
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func RegisterClassEx(wndclass *Wndclassex) (atom uint16, errno int) {
|
||||
r0, _, e1 := syscall.Syscall(procRegisterClassExW, 1, uintptr(unsafe.Pointer(wndclass)), 0, 0)
|
||||
atom = uint16(r0)
|
||||
if atom == 0 {
|
||||
if e1 != 0 {
|
||||
errno = int(e1)
|
||||
} else {
|
||||
errno = syscall.EINVAL
|
||||
}
|
||||
} else {
|
||||
errno = 0
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func 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) {
|
||||
r0, _, e1 := syscall.Syscall12(procCreateWindowExW, 12, uintptr(exstyle), uintptr(unsafe.Pointer(classname)), uintptr(unsafe.Pointer(windowname)), uintptr(style), uintptr(x), uintptr(y), uintptr(width), uintptr(height), uintptr(wndparent), uintptr(menu), uintptr(instance), uintptr(param))
|
||||
hwnd = uint32(r0)
|
||||
if hwnd == 0 {
|
||||
if e1 != 0 {
|
||||
errno = int(e1)
|
||||
} else {
|
||||
errno = syscall.EINVAL
|
||||
}
|
||||
} else {
|
||||
errno = 0
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func DefWindowProc(hwnd uint32, msg uint32, wparam int32, lparam int32) (lresult int32) {
|
||||
r0, _, _ := syscall.Syscall6(procDefWindowProcW, 4, uintptr(hwnd), uintptr(msg), uintptr(wparam), uintptr(lparam), 0, 0)
|
||||
lresult = int32(r0)
|
||||
return
|
||||
}
|
||||
|
||||
func DestroyWindow(hwnd uint32) (errno int) {
|
||||
r1, _, e1 := syscall.Syscall(procDestroyWindow, 1, uintptr(hwnd), 0, 0)
|
||||
if int(r1) == 0 {
|
||||
if e1 != 0 {
|
||||
errno = int(e1)
|
||||
} else {
|
||||
errno = syscall.EINVAL
|
||||
}
|
||||
} else {
|
||||
errno = 0
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func PostQuitMessage(exitcode int32) {
|
||||
syscall.Syscall(procPostQuitMessage, 1, uintptr(exitcode), 0, 0)
|
||||
return
|
||||
}
|
||||
|
||||
func ShowWindow(hwnd uint32, cmdshow int32) (wasvisible bool) {
|
||||
r0, _, _ := syscall.Syscall(procShowWindow, 2, uintptr(hwnd), uintptr(cmdshow), 0)
|
||||
wasvisible = bool(r0 != 0)
|
||||
return
|
||||
}
|
||||
|
||||
func UpdateWindow(hwnd uint32) (errno int) {
|
||||
r1, _, e1 := syscall.Syscall(procUpdateWindow, 1, uintptr(hwnd), 0, 0)
|
||||
if int(r1) == 0 {
|
||||
if e1 != 0 {
|
||||
errno = int(e1)
|
||||
} else {
|
||||
errno = syscall.EINVAL
|
||||
}
|
||||
} else {
|
||||
errno = 0
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func GetMessage(msg *Msg, hwnd uint32, MsgFilterMin uint32, MsgFilterMax uint32) (ret int32, errno int) {
|
||||
r0, _, e1 := syscall.Syscall6(procGetMessageW, 4, uintptr(unsafe.Pointer(msg)), uintptr(hwnd), uintptr(MsgFilterMin), uintptr(MsgFilterMax), 0, 0)
|
||||
ret = int32(r0)
|
||||
if ret == -1 {
|
||||
if e1 != 0 {
|
||||
errno = int(e1)
|
||||
} else {
|
||||
errno = syscall.EINVAL
|
||||
}
|
||||
} else {
|
||||
errno = 0
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func TranslateMessage(msg *Msg) (done bool) {
|
||||
r0, _, _ := syscall.Syscall(procTranslateMessage, 1, uintptr(unsafe.Pointer(msg)), 0, 0)
|
||||
done = bool(r0 != 0)
|
||||
return
|
||||
}
|
||||
|
||||
func DispatchMessage(msg *Msg) (ret int32) {
|
||||
r0, _, _ := syscall.Syscall(procDispatchMessageW, 1, uintptr(unsafe.Pointer(msg)), 0, 0)
|
||||
ret = int32(r0)
|
||||
return
|
||||
}
|
||||
|
||||
func LoadIcon(instance uint32, iconname *uint16) (icon uint32, errno int) {
|
||||
r0, _, e1 := syscall.Syscall(procLoadIconW, 2, uintptr(instance), uintptr(unsafe.Pointer(iconname)), 0)
|
||||
icon = uint32(r0)
|
||||
if icon == 0 {
|
||||
if e1 != 0 {
|
||||
errno = int(e1)
|
||||
} else {
|
||||
errno = syscall.EINVAL
|
||||
}
|
||||
} else {
|
||||
errno = 0
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func LoadCursor(instance uint32, cursorname *uint16) (cursor uint32, errno int) {
|
||||
r0, _, e1 := syscall.Syscall(procLoadCursorW, 2, uintptr(instance), uintptr(unsafe.Pointer(cursorname)), 0)
|
||||
cursor = uint32(r0)
|
||||
if cursor == 0 {
|
||||
if e1 != 0 {
|
||||
errno = int(e1)
|
||||
} else {
|
||||
errno = syscall.EINVAL
|
||||
}
|
||||
} else {
|
||||
errno = 0
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func SetCursor(cursor uint32) (precursor uint32, errno int) {
|
||||
r0, _, e1 := syscall.Syscall(procSetCursor, 1, uintptr(cursor), 0, 0)
|
||||
precursor = uint32(r0)
|
||||
if precursor == 0 {
|
||||
if e1 != 0 {
|
||||
errno = int(e1)
|
||||
} else {
|
||||
errno = syscall.EINVAL
|
||||
}
|
||||
} else {
|
||||
errno = 0
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func SendMessage(hwnd uint32, msg uint32, wparam int32, lparam int32) (lresult int32) {
|
||||
r0, _, _ := syscall.Syscall6(procSendMessageW, 4, uintptr(hwnd), uintptr(msg), uintptr(wparam), uintptr(lparam), 0, 0)
|
||||
lresult = int32(r0)
|
||||
return
|
||||
}
|
||||
|
||||
func PostMessage(hwnd uint32, msg uint32, wparam int32, lparam int32) (errno int) {
|
||||
r1, _, e1 := syscall.Syscall6(procPostMessageW, 4, uintptr(hwnd), uintptr(msg), uintptr(wparam), uintptr(lparam), 0, 0)
|
||||
if int(r1) == 0 {
|
||||
if e1 != 0 {
|
||||
errno = int(e1)
|
||||
} else {
|
||||
errno = syscall.EINVAL
|
||||
}
|
||||
} else {
|
||||
errno = 0
|
||||
}
|
||||
return
|
||||
}
|
||||
Loading…
Reference in a new issue