diff options
Diffstat (limited to 'tools/windowsconstgen.go')
| -rw-r--r-- | tools/windowsconstgen.go | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/tools/windowsconstgen.go b/tools/windowsconstgen.go index 0617eb1..6be1b59 100644 --- a/tools/windowsconstgen.go +++ b/tools/windowsconstgen.go @@ -107,12 +107,31 @@ func preamble(pkg string) string { "package " + pkg + "\n" } +// for backwards compatibiilty reasons, Windows defines GetWindowLongPtr()/SetWindowLongPtr() as a macro which expands to GetWindowLong()/SetWindowLong() on 32-bit systems +// we'll just simulate that here +var gwlpNames = map[string]string{ + "386": "etWindowLong", + "amd64": "etWindowLongPtr", +} + +func printConst(f *os.File, goconst string, winconst string) { + fmt.Fprintf(f, " fmt.Println(\"const %s =\", C.%s)\n", goconst, winconst) +} + +func printGWLPName(f *os.File, which string, char string, targetarch string) { + fmt.Fprintf(f, " fmt.Println(\"var %s = user32.NewProc(\\\"%s\\\")\")\n", + which, char + gwlpNames[targetarch]) +} + func main() { if len(os.Args) < 3 { panic("usage: " + os.Args[0] + " path goarch [go-command-options...]") } pkgpath := os.Args[1] targetarch := os.Args[2] + if _, ok := gwlpNames[targetarch]; !ok { + panic("unknown target windows/" + targetarch) + } goopts := os.Args[3:] // valid if len(os.Args) == 3; in that case this will just be a slice of length zero pkg := getPackage(pkgpath) @@ -163,12 +182,15 @@ func main() { for _, ident := range consts { if ident[0] == 'x' { // hack name; strip the leading x (but not the _ after it) from the constant name but keep the value name unchanged - fmt.Fprintf(f, " fmt.Println(\"const %s =\", C.%s)\n", ident[1:], ident) + printConst(f, ident[1:], ident) continue } // not a hack name; strip the leading _ from the value name but keep the constant name unchanged - fmt.Fprintf(f, " fmt.Println(\"const %s =\", C.%s)\n", ident, ident[1:]) + printConst(f, ident, ident[1:]) } + // and now for _getWindowLongPtr/_setWindowLongPtr + printGWLPName(f, "_getWindowLongPtr", "G", targetarch) + printGWLPName(f, "_setWindowLongPtr", "S", targetarch) fmt.Fprintf(f, "}\n") f.Close() |