diff options
| -rw-r--r-- | common.go | 17 | ||||
| -rw-r--r-- | main.go | 12 | ||||
| -rw-r--r-- | messagebox.go | 85 |
3 files changed, 114 insertions, 0 deletions
diff --git a/common.go b/common.go new file mode 100644 index 0000000..8b4daa5 --- /dev/null +++ b/common.go @@ -0,0 +1,17 @@ +// 7 february 2014 +package main + +import ( + "syscall" +) + +var ( + user32 = syscall.NewLazyDLL("user32.dll") +) + +type HWND uintptr + +const ( + NULL = 0 +) + @@ -0,0 +1,12 @@ +// 7 february 2014 +package main + +import "fmt" + +func main() { + fmt.Println(MessageBox(NULL, + "hello, world", + "hello", + 0)) +} + diff --git a/messagebox.go b/messagebox.go new file mode 100644 index 0000000..ba50f61 --- /dev/null +++ b/messagebox.go @@ -0,0 +1,85 @@ +// 7 february 2014 +package main + +import ( + "syscall" + "unsafe" +) + +// MessageBox button types. +const ( + MB_ABORTRETRYIGNORE = 0x00000002 + MB_CANCELTRYCONTINUE = 0x00000006 + MB_HELP = 0x00004000 + MB_OK = 0x00000000 + MB_OKCANCEL = 0x00000001 + MB_RETRYCANCEL = 0x00000005 + MB_YESNO = 0x00000004 + MB_YESNOCANCEL = 0x00000003 +) + +// MessageBox icon types. +const ( + MB_ICONEXCLAMATION = 0x00000030 + MB_ICONWARNING = 0x00000030 + MB_ICONINFORMATION = 0x00000040 + MB_ICONASTERISK = 0x00000040 + MB_ICONQUESTION = 0x00000020 + MB_ICONSTOP = 0x00000010 + MB_ICONERROR = 0x00000010 + MB_ICONHAND = 0x00000010 +) + +// MessageBox default button types. +const ( + MB_DEFBUTTON1 = 0x00000000 + MB_DEFBUTTON2 = 0x00000100 + MB_DEFBUTTON3 = 0x00000200 + MB_DEFBUTTON4 = 0x00000300 +) + +// MessageBox modality types. +const ( + MB_APPLMODAL = 0x00000000 + MB_SYSTEMMODAL = 0x00001000 + MB_TASKMODAL = 0x00002000 +) + +// MessageBox miscellaneous types. +const ( + MB_DEFAULT_DESKTOP_ONLY = 0x00020000 + MB_RIGHT = 0x00080000 + MB_RTLREADING = 0x00100000 + MB_SETFOREGROUND = 0x00010000 + MB_TOPMOST = 0x00040000 + MB_SERVICE_NOTIFICATION = 0x00200000 +) + +// MessageBox return values. +const ( + IDABORT = 3 + IDCANCEL = 2 + IDCONTINUE = 11 + IDIGNORE = 5 + IDNO = 7 + IDOK = 1 + IDRETRY = 4 + IDTRYAGAIN = 10 + IDYES = 6 +) + +var ( + messageBox = user32.NewProc("MessageBoxW") +) + +func MessageBox(hWnd HWND, lpText string, lpCaption string, uType uint32) (result int, err error) { + r1, _, err := messageBox.Call( + uintptr(unsafe.Pointer(hWnd)), + uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(lpText))), + uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(lpCaption))), + uintptr(uType)) + if r1 == 0 { // failure + return 0, err + } + return int(r1), nil +} |