func terminate() { // // C.XFreeGC (display, graphicsContext) // C.XUnmapWindow (display, window) C.XDestroyWindow(display, window) C.XDestroyWindow(display, C.Window(window0)) C.XCloseDisplay(display) initialized = false }
// PlugNew is a wrapper around gtk_plug_new(). func PlugNew(socketId WindowId) (*Plug, error) { c := C.gtk_plug_new(C.Window(socketId)) if c == nil { return nil, nilPtrErr } obj := &glib.Object{glib.ToGObject(unsafe.Pointer(c))} p := wrapPlug(obj) obj.RefSink() runtime.SetFinalizer(obj, (*glib.Object).Unref) return p, nil }
// AddId is a wrapper around gtk_socket_add_id(). func (v *Socket) AddId(w WindowId) { C.gtk_socket_add_id(v.Native(), C.Window(w)) }
func Init(w, h uint, cF, cB col.Colour) (uint, uint, uint) { // initialized = false // maxX, maxY, bitdepth = Screen() bdp := uint(bitdepth) switch bdp { case 15, 16, 24, 32: col.SetColourDepth(bdp) default: panic("strange colourdepth") /* Terminate (); */ os.Exit(1) } colourdepth := (bdp + 1) / 8 col.ScreenF, col.ScreenB = cF, cB xx, yy = C.uint(w), C.uint(h) window = C.XCreateSimpleWindow(display, C.Window(window0), 0, 0, xx, yy, C.uint(0), C.ulong(0), cc(col.ScreenB)) // var E C.XEvent // C.XNextEvent (display, &E) // XCreate... did not produce an XEvent C.initialize(display, screen, window) t := C.CString(env.Par(0)) defer C.free(unsafe.Pointer(t)) C.XStoreName(display, window, t) C.XMapRaised(display, window) const inputmask = (C.KeyPressMask + // C.KeyReleaseMask + C.ButtonPressMask + C.ButtonReleaseMask + C.PointerMotionMask + C.ExposureMask + C.StructureNotifyMask) C.XSelectInput(display, window, inputmask) cursor := C.XCreateFontCursor(display, C.XC_gumby) C.XDefineCursor(display, window, cursor) graphicsContext = C.XDefaultGC(display, screen) // C.XFlushGC (display graphicsContext) C.XSetGraphicsExposures(display, graphicsContext, C.False) SetFontsize(16) initialized = true Colours(cF, cB) C.XSetForeground(display, graphicsContext, cc(col.ScreenB)) C.XFillRectangle(display, C.Drawable(window), graphicsContext, 0, 0, xx, yy) pixmap = C.XCreatePixmap(display, C.Drawable(window), xx, yy, bitdepth) pixmap1 = C.XCreatePixmap(display, C.Drawable(window), maxX, maxY, bitdepth) C.XFillRectangle(display, C.Drawable(pixmap), graphicsContext, 0, 0, xx, yy) C.XFillRectangle(display, C.Drawable(pixmap1), graphicsContext, 0, 0, xx, yy) C.XSetForeground(display, graphicsContext, cc(col.ScreenF)) MouseDef(0, 0, int(xx-1), int(yy-1)) var E C.XEvent C.XNextEvent(display, &E) var et C.int = C.typ(&E) // et == *E.type switch et { case C.Expose, C.ConfigureNotify: // zur Erstausgabe for C.XCheckTypedEvent(display, et, &E) == C.True { } // pp2ff () case KeyPress, KeyRelease, ButtonPress, ButtonRelease, MotionNotify: C.XPutBackEvent(display, &E) case C.ReparentNotify: // at Switch (?) // ignore default: // for test purposes // println ("at initializing x:" + txt [et]) } p := C.CString("WM_PROTOCOLS") defer C.free(unsafe.Pointer(p)) wm_protocols := C.XInternAtom(display, p, C.False) C.XSetWMProtocols(display, window, &wm_protocols, 1) s := C.CString("_NET_WM_STATE") defer C.free(unsafe.Pointer(s)) netwm_state = C.XInternAtom(display, s, C.False) f := C.CString("_NET_WM_STATE_FULLSCREEN") defer C.free(unsafe.Pointer(f)) fullscreen = C.XInternAtom(display, f, C.False) m := C.CString("navi") defer C.free(unsafe.Pointer(m)) naviAtom = C.XInternAtom(display, m, C.False) Eventpipe = make(chan Event) go sendEvents() // C.XFlush (display) // println ("init ok") return uint(maxX), uint(maxY), colourdepth }