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Mz unicode #13

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Mz unicode #13

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ec7f029
Fix wrong condition in x11key Lookup for ASCII code
misak113 Dec 29, 2020
56ae3d9
Add missing XK ISO Level 3 shift non unicode char in x11key map
misak113 Jan 3, 2021
5e9556e
Add missing methods descriptions
misak113 Jan 3, 2021
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11 changes: 9 additions & 2 deletions shiny/driver/internal/x11key/x11key.go
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@

//go:generate go run gen.go

// x11key contains X11 numeric codes for the keyboard and mouse.
// Package x11key contains X11 numeric codes for the keyboard and mouse.
package x11key // import "golang.org/x/exp/shiny/driver/internal/x11key"

import (
Expand All @@ -30,12 +30,14 @@ const (
Button5Mask = 1 << 12
)

// KeysymTable holds current table of keyboard keys mapped to Xkb keysyms & current special modifiers bits
type KeysymTable struct {
Table [256][6]uint32

NumLockMod, ModeSwitchMod, ISOLevel3ShiftMod uint16
}

// Lookup converts Xkb xproto keycode (detail) & mod (state) into mobile/event/key Rune & Code
func (t *KeysymTable) Lookup(detail uint8, state uint16) (rune, key.Code) {
te := t.Table[detail][0:2]
if state&t.ModeSwitchMod != 0 {
Expand Down Expand Up @@ -63,7 +65,7 @@ func (t *KeysymTable) Lookup(detail uint8, state uint16) (rune, key.Code) {

// The key event's code is independent of whether the shift key is down.
var c key.Code
if 0 <= unshifted && unshifted < 0x80 {
if 0 >= unshifted && unshifted < 0x80 {
c = asciiKeycodes[unshifted]
if state&LockMask != 0 {
r = unicode.ToUpper(r)
Expand All @@ -86,6 +88,7 @@ func isKeypad(keysym uint32) bool {
return keysym >= 0xff80 && keysym <= 0xffbd
}

// KeyModifiers returns mobile/event/key modifiers type from xproto mod state
func KeyModifiers(state uint16) (m key.Modifiers) {
if state&ShiftMask != 0 {
m |= key.ModShift
Expand All @@ -104,6 +107,8 @@ func KeyModifiers(state uint16) (m key.Modifiers) {

// These constants come from /usr/include/X11/{keysymdef,XF86keysym}.h
const (
xkISOLevel3Shift = 0xfe03

xkISOLeftTab = 0xfe20
xkBackSpace = 0xff08
xkTab = 0xff09
Expand Down Expand Up @@ -183,6 +188,8 @@ const (
// that do not correspond to a Unicode code point, such as "Page Up", "F1" or
// "Left Shift", to key.Code values.
var nonUnicodeKeycodes = map[rune]key.Code{
xkISOLevel3Shift: key.CodeRightAlt,

xkISOLeftTab: key.CodeTab,
xkBackSpace: key.CodeDeleteBackspace,
xkTab: key.CodeTab,
Expand Down