144 lines
3.4 KiB
Go
144 lines
3.4 KiB
Go
package xkb
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//#cgo pkg-config: xkbcommon
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//#cgo LDFLAGS: -ldl
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//
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//#include <stdlib.h>
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//#include <xkbcommon/xkbcommon.h>
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import "C"
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import "unsafe"
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const (
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// ModNameShift is the name of Shift Modifier
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ModNameShift = "Shift"
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// ModNameCaps is the name of Caps Lock Modifier
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ModNameCaps = "Lock"
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// ModNameCtrl is the name of Control Modifier
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ModNameCtrl = "Control"
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// ModNameAlt is the name of Alt Modifier
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ModNameAlt = "Mod1"
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// ModNameNum is the name of Num Lock Modifier
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ModNameNum = "Mod2"
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// ModNameLogo is the name of Logo Modifier
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ModNameLogo = "Mod4"
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// LedNameCaps is the name of Caps Lock Led
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LedNameCaps = "Caps Lock"
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// LedNameNum is the name of Num Lock Led
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LedNameNum = "Num Lock"
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// LedNameScroll is the name of Scroll Lock Led
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LedNameScroll = "Scroll Lock"
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)
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func KeysymGetName(keysym uint32) string {
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s := "................................................................"
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cs := C.CString(s)
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defer C.free(unsafe.Pointer(cs))
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_ = C.xkb_keysym_get_name(C.uint(keysym), cs, C.size_t(len(s)))
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return C.GoString(cs)
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}
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func KeysymToUtf32(keysym uint32) uint32 {
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return uint32(C.xkb_keysym_to_utf32(C.uint(keysym)))
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}
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func Utf32ToKeysym(ucs uint32) uint32 {
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return uint32(C.xkb_utf32_to_keysym(C.uint(ucs)))
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}
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type KeymapCompileFlags int
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const (
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KeymapCompileNoFlags KeymapCompileFlags = C.XKB_KEYMAP_COMPILE_NO_FLAGS
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)
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type RuleNames struct {
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Rules, Model, Layout, Variant, Options string
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}
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func (rn *RuleNames) toC() *C.struct_xkb_rule_names {
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if rn == nil {
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return nil
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}
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return &C.struct_xkb_rule_names{
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rules: C.CString(rn.Rules),
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model: C.CString(rn.Model),
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layout: C.CString(rn.Layout),
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variant: C.CString(rn.Variant),
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options: C.CString(rn.Options),
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}
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}
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const ContextNoFlags = 0
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type Context struct {
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p *C.struct_xkb_context
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}
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func ContextNew(flags uint32) (ctx *Context) {
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ctx = new(Context)
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ctx.p = C.xkb_context_new(flags)
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return ctx
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}
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func (ctx *Context) KeymapNewFromNames(rules *RuleNames, flags KeymapCompileFlags) *Keymap {
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km := C.xkb_keymap_new_from_names(ctx.p, rules.toC(), C.enum_xkb_keymap_compile_flags(flags))
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if km == nil {
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return nil
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}
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return &Keymap{km}
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}
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func (ctx *Context) Unref() {
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C.xkb_context_unref(ctx.p)
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ctx.p = nil
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}
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type Keymap struct {
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p *C.struct_xkb_keymap
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}
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func (km *Keymap) KeyGetMod(key, layout, level uint32) uint32 {
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var mask C.uint
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C.xkb_keymap_key_get_mods_for_level(km.p, C.uint(key), C.uint(layout), C.uint(level), &mask, 1)
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return uint32(mask)
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}
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func (km *Keymap) KeyGetSymsByLevel(key, layout, level uint32) []uint32 {
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var syms *C.xkb_keysym_t
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n := int(C.xkb_keymap_key_get_syms_by_level(km.p, C.uint(key), C.uint(layout), C.uint(level), &syms))
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if n == 0 || syms == nil {
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return nil
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}
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data := (*[1 << 30]C.xkb_keysym_t)(unsafe.Pointer(syms))[:n:n]
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s := make([]uint32, n)
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for i := 0; i < n; i++ {
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s[i] = uint32(data[i])
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}
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return s
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}
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func (km *Keymap) MaxKeycode() uint32 {
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return uint32(C.xkb_keymap_max_keycode(km.p))
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}
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func (km *Keymap) MinKeycode() uint32 {
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return uint32(C.xkb_keymap_min_keycode(km.p))
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}
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func (km *Keymap) ModGetIndex(mod string) uint {
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return uint(C.xkb_keymap_mod_get_index(km.p, C.CString(mod)))
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}
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func (km *Keymap) NumLevelsForKey(key, layout uint32) uint32 {
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return uint32(C.xkb_keymap_num_levels_for_key(km.p, C.uint(key), C.uint(layout)))
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}
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func (km *Keymap) Unref() {
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C.xkb_keymap_unref(km.p)
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km.p = nil
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}
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func keymapUnref(km *Keymap) {
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C.xkb_keymap_unref(km.p)
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km.p = nil
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}
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