diff options
Diffstat (limited to 'windows.go')
| -rw-r--r-- | windows.go | 64 |
1 files changed, 63 insertions, 1 deletions
@@ -6,6 +6,37 @@ import ( "unsafe" ) +// Window styles. +const ( + WS_BORDER = 0x00800000 + WS_CAPTION = 0x00C00000 + WS_CHILD = 0x40000000 + WS_CHILDWINDOW = 0x40000000 + WS_CLIPCHILDREN = 0x02000000 + WS_CLIPSIBLINGS = 0x04000000 + WS_DISABLED = 0x08000000 + WS_DLGFRAME = 0x00400000 + WS_GROUP = 0x00020000 + WS_HSCROLL = 0x00100000 + WS_ICONIC = 0x20000000 + WS_MAXIMIZE = 0x01000000 + WS_MAXIMIZEBOX = 0x00010000 + WS_MINIMIZE = 0x20000000 + WS_MINIMIZEBOX = 0x00020000 + WS_OVERLAPPED = 0x00000000 + WS_OVERLAPPEDWINDOW = (WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX) + WS_POPUP = 0x80000000 + WS_POPUPWINDOW = (WS_POPUP | WS_BORDER | WS_SYSMENU) + WS_SIZEBOX = 0x00040000 + WS_SYSMENU = 0x00080000 + WS_TABSTOP = 0x00010000 + WS_THICKFRAME = 0x00040000 + WS_TILED = 0x00000000 + WS_TILEDWINDOW = (WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX) + WS_VISIBLE = 0x10000000 + WS_VSCROLL = 0x00200000 +) + // Extended window styles. const ( WS_EX_ACCEPTFILES = 0x00000010 @@ -36,7 +67,12 @@ const ( WS_EX_WINDOWEDGE = 0x00000100 ) -// TODO CW_USEDEFAULT +// bizarrely, this value is given on the page for CreateMDIWindow, but not CreateWindow or CreateWindowEx +// I do it this way because Go won't let me shove the exact value into an int +var ( + _uCW_USEDEFAULT uint = 0x80000000 + CW_USEDEFAULT = int(_uCW_USEDEFAULT) +) // GetSysColor values. These can be cast to HBRUSH (after adding 1) for WNDCLASS as well. const ( @@ -78,8 +114,26 @@ const ( COLOR_WINDOWTEXT = 8 ) +// ShowWindow settings. +const ( + SW_FORCEMINIMIZE = 11 + SW_HIDE = 0 + SW_MAXIMIZE = 3 + SW_MINIMIZE = 6 + SW_RESTORE = 9 + SW_SHOW = 5 + SW_SHOWDEFAULT = 10 + SW_SHOWMAXIMIZED = 3 + SW_SHOWMINIMIZED = 2 + SW_SHOWMINNOACTIVE = 7 + SW_SHOWNA = 8 + SW_SHOWNOACTIVATE = 4 + SW_SHOWNORMAL = 1 +) + var ( createWindowEx = user32.NewProc("CreateWindowExW") + showWindow = user32.NewProc("ShowWindow") ) // TODO use lpParam @@ -102,3 +156,11 @@ func CreateWindowEx(dwExStyle uint32, lpClassName string, lpWindowName string, d } return HWND(r1), nil } + +// TODO figure out how to handle errors +func ShowWindow(hWnd HWND, nCmdShow int) (previouslyVisible bool, err error) { + r1, _, _ := showWindow.Call( + uintptr(hWnd), + uintptr(nCmdShow)) + return r1 != 0, nil +} |