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Added GetWindowLongPtr()/SetWindowLongPtr() generation to the windowsconstgen tool and the pregenerated files. This will be needed for when we get rid of creating a new window class for each Window/Area. Also did some minor cleanup to the windowsconstgen tool.

This commit is contained in:
Pietro Gagliardi 2014-05-30 14:02:57 -04:00
parent 029465e814
commit 78c909cc9b
3 changed files with 28 additions and 2 deletions
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26
tools/windowsconstgen.go
View File

@ -107,12 +107,31 @@ func preamble(pkg string) string {
"package " + pkg + "\n" "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() { func main() {
if len(os.Args) < 3 { if len(os.Args) < 3 {
panic("usage: " + os.Args[0] + " path goarch [go-command-options...]") panic("usage: " + os.Args[0] + " path goarch [go-command-options...]")
} }
pkgpath := os.Args[1] pkgpath := os.Args[1]
targetarch := os.Args[2] 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 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) pkg := getPackage(pkgpath)
@ -163,12 +182,15 @@ func main() {
for _, ident := range consts { for _, ident := range consts {
if ident[0] == 'x' { 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 // 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 continue
} }
// not a hack name; strip the leading _ from the value name but keep the constant name unchanged // 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") fmt.Fprintf(f, "}\n")
f.Close() f.Close()

2
zconstants_windows_386.go
View File

@ -162,3 +162,5 @@ const _IDC_ARROW = 32512
const _IDI_APPLICATION = 32512 const _IDI_APPLICATION = 32512
const _INVALID_HANDLE_VALUE = 4294967295 const _INVALID_HANDLE_VALUE = 4294967295
const _NULL = 0 const _NULL = 0
var _getWindowLongPtr = user32.NewProc("GetWindowLong")
var _setWindowLongPtr = user32.NewProc("SetWindowLong")

2
zconstants_windows_amd64.go
View File

@ -162,3 +162,5 @@ const _IDC_ARROW = 32512
const _IDI_APPLICATION = 32512 const _IDI_APPLICATION = 32512
const _INVALID_HANDLE_VALUE = 18446744073709551615 const _INVALID_HANDLE_VALUE = 18446744073709551615
const _NULL = 0 const _NULL = 0
var _getWindowLongPtr = user32.NewProc("GetWindowLongPtr")
var _setWindowLongPtr = user32.NewProc("SetWindowLongPtr")