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keys.go
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keys.go
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//go:build linux
// +build linux
package linux
/*
#cgo linux pkg-config: gtk+-3.0 webkit2gtk-4.0
#include "gtk/gtk.h"
*/
import "C"
import (
"github.com/secoba/wails/v2/pkg/menu/keys"
)
var namedKeysToGTK = map[string]C.guint{
"backspace": C.guint(0xff08),
"tab": C.guint(0xff09),
"return": C.guint(0xff0d),
"enter": C.guint(0xff0d),
"escape": C.guint(0xff1b),
"left": C.guint(0xff51),
"right": C.guint(0xff53),
"up": C.guint(0xff52),
"down": C.guint(0xff54),
"space": C.guint(0xff80),
"delete": C.guint(0xff9f),
"home": C.guint(0xff95),
"end": C.guint(0xff9c),
"page up": C.guint(0xff9a),
"page down": C.guint(0xff9b),
"f1": C.guint(0xffbe),
"f2": C.guint(0xffbf),
"f3": C.guint(0xffc0),
"f4": C.guint(0xffc1),
"f5": C.guint(0xffc2),
"f6": C.guint(0xffc3),
"f7": C.guint(0xffc4),
"f8": C.guint(0xffc5),
"f9": C.guint(0xffc6),
"f10": C.guint(0xffc7),
"f11": C.guint(0xffc8),
"f12": C.guint(0xffc9),
"f13": C.guint(0xffca),
"f14": C.guint(0xffcb),
"f15": C.guint(0xffcc),
"f16": C.guint(0xffcd),
"f17": C.guint(0xffce),
"f18": C.guint(0xffcf),
"f19": C.guint(0xffd0),
"f20": C.guint(0xffd1),
"f21": C.guint(0xffd2),
"f22": C.guint(0xffd3),
"f23": C.guint(0xffd4),
"f24": C.guint(0xffd5),
"f25": C.guint(0xffd6),
"f26": C.guint(0xffd7),
"f27": C.guint(0xffd8),
"f28": C.guint(0xffd9),
"f29": C.guint(0xffda),
"f30": C.guint(0xffdb),
"f31": C.guint(0xffdc),
"f32": C.guint(0xffdd),
"f33": C.guint(0xffde),
"f34": C.guint(0xffdf),
"f35": C.guint(0xffe0),
"numlock": C.guint(0xff7f),
}
func acceleratorToGTK(accelerator *keys.Accelerator) (C.guint, C.GdkModifierType) {
key := parseKey(accelerator.Key)
mods := parseModifiers(accelerator.Modifiers)
return key, mods
}
func parseKey(key string) C.guint {
var result C.guint
result, found := namedKeysToGTK[key]
if found {
return result
}
// Check for unknown namedkeys
// Check if we only have a single character
if len(key) != 1 {
return C.guint(0)
}
keyval := rune(key[0])
return C.gdk_unicode_to_keyval(C.guint(keyval))
}
func parseModifiers(modifiers []keys.Modifier) C.GdkModifierType {
var result C.GdkModifierType
for _, modifier := range modifiers {
switch modifier {
case keys.ShiftKey:
result |= C.GDK_SHIFT_MASK
case keys.ControlKey, keys.CmdOrCtrlKey:
result |= C.GDK_CONTROL_MASK
case keys.OptionOrAltKey:
result |= C.GDK_MOD1_MASK
}
}
return result
}