diff options
Diffstat (limited to 'redo/zwinconstgen.go')
| -rw-r--r-- | redo/zwinconstgen.go | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/redo/zwinconstgen.go b/redo/zwinconstgen.go index 07c5959..28ff843 100644 --- a/redo/zwinconstgen.go +++ b/redo/zwinconstgen.go @@ -172,6 +172,22 @@ var gwlpNames = map[string]string{ "amd64": "etWindowLongPtrW", } +// in reality these use LONG_PTR for the actual values; LONG_PTR is a signed value, but for our use case it doesn't really matter +func genGetSetWindowLongPtr(targetarch string) { + name := gwlpNames[targetarch] + + funcs = append(funcs, fmt.Sprintf("var fv_GetWindowLongPtrW = user32.NewProc(%q)", "G" + name)) + funcs = append(funcs, "func f_GetWindowLongPtrW(hwnd uintptr, which uintptr) uintptr {") + funcs = append(funcs, "\tres, _, _ := fv_GetWindowLongPtrW.Call(hwnd, which)") + funcs = append(funcs, "\treturn res") + funcs = append(funcs, "}") + + funcs = append(funcs, fmt.Sprintf("var fv_SetWindowLongPtrW = user32.NewProc(%q)", "S" + name)) + funcs = append(funcs, "func f_SetWindowLongPtrW(hwnd uintptr, which uintptr, value uintptr) {") + funcs = append(funcs, "\tfv_SetWindowLongPtrW.Call(hwnd, which, value)") + funcs = append(funcs, "}") +} + const outTemplate = `package main import ( "fmt" @@ -202,6 +218,7 @@ var handleOverrides = []string{ "HICON", "HCURSOR", "HBRUSH", + "HMENU", // These are all pointers to functions; handle them identically to handles. "WNDPROC", } @@ -259,6 +276,8 @@ func main() { fmt.Fprintf(buf, "type t_WPARAM %s\n", winName(reflect.TypeOf(C.WPARAM(0)))) fmt.Fprintf(buf, "type t_LPARAM %s\n", winName(reflect.TypeOf(C.LPARAM(0)))) fmt.Fprintf(buf, "type t_LRESULT %s\n", winName(reflect.TypeOf(C.LRESULT(0)))) + // and one for GetMessageW() + fmt.Fprintf(buf, "type t_BOOL %s\n", winName(reflect.TypeOf(C.BOOL(0)))) // functions {{range .Funcs}} fmt.Fprintf(buf, "%s\n", {{printf "%q" .}}) @@ -332,6 +351,9 @@ func main() { sort.Strings(structs) sort.Strings(sorteddlls) + // and finally + genGetSetWindowLongPtr(targetarch) + // thanks to james4k in irc.freenode.net/#go-nuts tmpdir, err := ioutil.TempDir("", "windowsconstgen") if err != nil { |