func defaultDialogProc(hwnd win.HWND, msg uint32, wParam, lParam uintptr) uintptr { switch msg { case win.WM_COMMAND: fmt.Printf("WM_COMMAND msg=%v\n", msg) if lParam != 0 { //Reflect message to control h := win.HWND(lParam) fmt.Printf("WM_COMMAND h=%v\n", h) if handler := GetMsgHandler(h); handler != nil { fmt.Println("WM_COMMAND handler.WndProc") ret := handler.WndProc(msg, wParam, lParam) if ret != 0 { //win.SetWindowLong(hwnd, win.DWL_MSGRESULT, int32(ret)) fmt.Println("WM_COMMAND TRUE") return win.TRUE } } } fmt.Println("WM_COMMAND DONE") return 0 case win.WM_CLOSE: win.DestroyWindow(hwnd) return 0 case win.WM_DESTROY: win.PostQuitMessage(0) return 1 } return 0 }
func WndProc(hwnd win.HWND, msg uint32, wParam, lParam uintptr) (result uintptr) { switch msg { case win.WM_CREATE: result = win.DefWindowProc(hwnd, msg, wParam, lParam) case win.WM_SIZE: // 最小化时不能调整Cef窗体,否则恢复时界面一片空白 if wParam == win.SIZE_RESTORED || wParam == win.SIZE_MAXIMIZED { cef.WindowResized(unsafe.Pointer(hwnd)) } case win.WM_CLOSE: win.DestroyWindow(hwnd) case win.WM_DESTROY: cef.QuitMessageLoop() default: result = win.DefWindowProc(hwnd, msg, wParam, lParam) } return }
func TransparentWndProc(hwnd win.HWND, msg uint32, wParam, lParam uintptr) (result uintptr) { switch msg { case win.WM_CREATE: //a := *(*uintptr)(unsafe.Pointer(lParam)) //fmt.Printf("WM_CREATE %v\n", a) result = win.DefWindowProc(hwnd, msg, wParam, lParam) //case win.WM_NCPAINT: // result = win.DefWindowProc(hwnd, msg, wParam, lParam) case win.WM_LBUTTONDOWN: //fmt.Printf("WM_LBUTTONDOWN\n") if isEnableDrag { win.SetCapture(hwnd) win.GetWindowRect(hwnd, &rcWindow) win.GetCursorPos(&dragPoint) isDrag = true } result = 0 case win.WM_LBUTTONUP: if win.GetCapture() == hwnd { win.ReleaseCapture() } isDrag = false result = 0 case win.WM_NCCALCSIZE: wpCaptionLess := uintptr(win.GetProp(hwnd, WindowProp_CaptionLess)) //fmt.Printf("wpCaptionLess=%v\n", wpCaptionLess) if wpCaptionLess == 1 && win.BOOL(wParam) == win.TRUE { var size_param *win.NCCALCSIZE_PARAMS = (*win.NCCALCSIZE_PARAMS)(unsafe.Pointer(lParam)) size_param.Rgrc[2] = size_param.Rgrc[1] size_param.Rgrc[1] = size_param.Rgrc[0] result = 0 } else { result = win.DefWindowProc(hwnd, msg, wParam, lParam) } //case win.WM_NCHITTEST: //x := win.LOWORD(uint32(lParam)) //y := win.HIWORD(uint32(lParam)) //s := fmt.Sprintf("WM_NCHITTEST x,y=%v,%v\n", x, y) //result = win.DefWindowProc(hwnd, msg, wParam, lParam) case win.WM_MOUSEMOVE: //fmt.Printf("WM_MOUSEMOVE\n") if isDrag { var pe win.POINT win.GetCursorPos(&pe) // The new position for cursor pointer left := rcWindow.Left + (pe.X - dragPoint.X) // The horizontal position of the new window top := rcWindow.Top + (pe.Y - dragPoint.Y) // The vertical position of the new windows //win.MoveWindow(hwnd,reWindow.Left,reWindow.Top,reWindow.Right,reWindow.Bottom,true);// Moving window win.SetWindowPos(hwnd, 0, left, top, 0, 0, win.SWP_NOSIZE|win.SWP_NOZORDER) } case win.WM_SIZE: // 最小化时不能调整Cef窗体,否则恢复时界面一片空白 if wParam == win.SIZE_RESTORED || wParam == win.SIZE_MAXIMIZED { cef.WindowResized(unsafe.Pointer(hwnd)) } case win.WM_CLOSE: win.DestroyWindow(hwnd) case win.WM_DESTROY: cef.QuitMessageLoop() default: result = win.DefWindowProc(hwnd, msg, wParam, lParam) } //result = win.DefWindowProc(hwnd, msg, wParam, lParam) return }