diff options
Diffstat (limited to 'windows.go')
| -rw-r--r-- | windows.go | 62 |
1 files changed, 62 insertions, 0 deletions
@@ -114,6 +114,39 @@ const ( COLOR_WINDOWTEXT = 8 ) +// SetWindowPos hWndInsertAfter values. +const ( + HWND_BOTTOM = HWND(1) + HWND_TOP = HWND(0) +) + +// SetWindowPos hWndInsertAfter values that Go won't allow as constants. +var ( + _HWND_NOTOPMOST = -2 + HWND_NOTOPMOST = HWND(_HWND_NOTOPMOST) + _HWND_TOPMOST = -1 + HWND_TOPMOST = HWND(_HWND_TOPMOST) +) + +// SetWindowPos uFlags values. +const ( + SWP_DRAWFRAME = 0x0020 + SWP_FRAMECHANGED = 0x0020 + SWP_HIDEWINDOW = 0x0080 + SWP_NOACTIVATE = 0x0010 + SWP_NOCOPYBITS = 0x0100 + SWP_NOMOVE = 0x0002 + SWP_NOOWNERZORDER = 0x0200 + SWP_NOREDRAW = 0x0008 + SWP_NOREPOSITION = 0x0200 + SWP_NOSENDCHANGING = 0x0400 + SWP_NOSIZE = 0x0001 + SWP_NOZORDER = 0x0004 + SWP_SHOWWINDOW = 0x0040 + SWP_ASYNCWINDOWPOS = 0x4000 + SWP_DEFERERASE = 0x2000 +) + // ShowWindow settings. const ( SW_FORCEMINIMIZE = 11 @@ -134,7 +167,9 @@ const ( var ( createWindowEx = user32.NewProc("CreateWindowExW") destroyWindow = user32.NewProc("DestroyWindow") + getClientRect = user32.NewProc("GetClientRect") enumChildWindows = user32.NewProc("EnumChildWindows") + setWindowPos = user32.NewProc("SetWindowPos") showWindow = user32.NewProc("ShowWindow") ) @@ -188,6 +223,33 @@ func EnumChildWindows(hWndParent HWND, lpEnumFunc WNDENUMPROC, lParam LPARAM) (e return nil } +// TODO return the rect itself? +func GetClientRect(hWnd HWND) (lpRect *RECT, err error) { + lpRect = new(RECT) + r1, _, err := getClientRect.Call( + uintptr(hWnd), + uintptr(unsafe.Pointer(lpRect))) + if r1 == 0 { // failure + return nil, err + } + return lpRect, nil +} + +func SetWindowPos(hWnd HWND, hWndInsertAfter HWND, X int, Y int, cx int, cy int, uFlags uint32) (err error) { + r1, _, err := setWindowPos.Call( + uintptr(hWnd), + uintptr(hWndInsertAfter), + uintptr(X), + uintptr(Y), + uintptr(cx), + uintptr(cy), + uintptr(uFlags)) + if r1 == 0 { // failure + return err + } + return nil +} + // TODO figure out how to handle errors func ShowWindow(hWnd HWND, nCmdShow int) (previouslyVisible bool, err error) { r1, _, _ := showWindow.Call( |