2021-09-07 17:36:50 +03:00
|
|
|
package rui
|
|
|
|
|
|
|
|
import "strings"
|
|
|
|
|
|
|
|
const (
|
|
|
|
// KeyDown is the constant for "key-down-event" property tag.
|
|
|
|
// The "key-down-event" event is fired when a key is pressed.
|
2021-11-04 21:13:34 +03:00
|
|
|
// The main listener format:
|
|
|
|
// func(View, KeyEvent).
|
|
|
|
// The additional listener formats:
|
|
|
|
// func(KeyEvent), func(View), and func().
|
2021-09-07 17:36:50 +03:00
|
|
|
KeyDownEvent = "key-down-event"
|
|
|
|
|
2021-11-04 21:13:34 +03:00
|
|
|
// KeyPp is the constant for "key-up-event" property tag.
|
2021-09-07 17:36:50 +03:00
|
|
|
// The "key-up-event" event is fired when a key is released.
|
2021-11-04 21:13:34 +03:00
|
|
|
// The main listener format:
|
|
|
|
// func(View, KeyEvent).
|
|
|
|
// The additional listener formats:
|
|
|
|
// func(KeyEvent), func(View), and func().
|
2021-09-07 17:36:50 +03:00
|
|
|
KeyUpEvent = "key-up-event"
|
2023-05-15 16:19:33 +03:00
|
|
|
)
|
|
|
|
|
|
|
|
type ControlKeyMask int
|
|
|
|
type KeyCode string
|
2023-05-15 15:27:37 +03:00
|
|
|
|
2023-05-15 16:19:33 +03:00
|
|
|
const (
|
2023-05-15 15:27:37 +03:00
|
|
|
// AltKey is the mask of the "alt" key
|
2023-05-15 16:19:33 +03:00
|
|
|
AltKey ControlKeyMask = 1
|
2023-05-15 15:27:37 +03:00
|
|
|
// CtrlKey is the mask of the "ctrl" key
|
2023-05-15 16:19:33 +03:00
|
|
|
CtrlKey ControlKeyMask = 2
|
2023-05-15 15:27:37 +03:00
|
|
|
// ShiftKey is the mask of the "shift" key
|
2023-05-15 16:19:33 +03:00
|
|
|
ShiftKey ControlKeyMask = 4
|
2023-05-15 15:27:37 +03:00
|
|
|
// MetaKey is the mask of the "meta" key
|
2023-05-15 16:19:33 +03:00
|
|
|
MetaKey ControlKeyMask = 8
|
2023-05-15 15:27:37 +03:00
|
|
|
|
2023-05-15 16:19:33 +03:00
|
|
|
KeyA KeyCode = "KeyA"
|
|
|
|
KeyB KeyCode = "KeyB"
|
|
|
|
KeyC KeyCode = "KeyC"
|
|
|
|
KeyD KeyCode = "KeyD"
|
|
|
|
KeyE KeyCode = "KeyE"
|
|
|
|
KeyF KeyCode = "KeyF"
|
|
|
|
KeyG KeyCode = "KeyG"
|
|
|
|
KeyH KeyCode = "KeyH"
|
|
|
|
KeyI KeyCode = "KeyI"
|
|
|
|
KeyJ KeyCode = "KeyJ"
|
|
|
|
KeyK KeyCode = "KeyK"
|
|
|
|
KeyL KeyCode = "KeyL"
|
|
|
|
KeyM KeyCode = "KeyM"
|
|
|
|
KeyN KeyCode = "KeyN"
|
|
|
|
KeyO KeyCode = "KeyO"
|
|
|
|
KeyP KeyCode = "KeyP"
|
|
|
|
KeyQ KeyCode = "KeyQ"
|
|
|
|
KeyR KeyCode = "KeyR"
|
|
|
|
KeyS KeyCode = "KeyS"
|
|
|
|
KeyT KeyCode = "KeyT"
|
|
|
|
KeyU KeyCode = "KeyU"
|
|
|
|
KeyV KeyCode = "KeyV"
|
|
|
|
KeyW KeyCode = "KeyW"
|
|
|
|
KeyX KeyCode = "KeyX"
|
|
|
|
KeyY KeyCode = "KeyY"
|
|
|
|
KeyZ KeyCode = "KeyZ"
|
|
|
|
Digit0Key KeyCode = "Digit0"
|
|
|
|
Digit1Key KeyCode = "Digit1"
|
|
|
|
Digit2Key KeyCode = "Digit2"
|
|
|
|
Digit3Key KeyCode = "Digit3"
|
|
|
|
Digit4Key KeyCode = "Digit4"
|
|
|
|
Digit5Key KeyCode = "Digit5"
|
|
|
|
Digit6Key KeyCode = "Digit6"
|
|
|
|
Digit7Key KeyCode = "Digit7"
|
|
|
|
Digit8Key KeyCode = "Digit8"
|
|
|
|
Digit9Key KeyCode = "Digit9"
|
|
|
|
SpaceKey KeyCode = "Space"
|
|
|
|
MinusKey KeyCode = "Minus"
|
|
|
|
EqualKey KeyCode = "Equal"
|
|
|
|
IntlBackslashKey KeyCode = "IntlBackslash"
|
|
|
|
BracketLeftKey KeyCode = "BracketLeft"
|
|
|
|
BracketRightKey KeyCode = "BracketRight"
|
|
|
|
SemicolonKey KeyCode = "Semicolon"
|
|
|
|
CommaKey KeyCode = "Comma"
|
|
|
|
PeriodKey KeyCode = "Period"
|
|
|
|
QuoteKey KeyCode = "Quote"
|
|
|
|
BackquoteKey KeyCode = "Backquote"
|
|
|
|
SlashKey KeyCode = "Slash"
|
|
|
|
EscapeKey KeyCode = "Escape"
|
|
|
|
EnterKey KeyCode = "Enter"
|
|
|
|
TabKey KeyCode = "Tab"
|
|
|
|
CapsLockKey KeyCode = "CapsLock"
|
|
|
|
DeleteKey KeyCode = "Delete"
|
2023-05-29 15:28:22 +03:00
|
|
|
InsertKey KeyCode = "Insert"
|
2023-05-15 16:19:33 +03:00
|
|
|
HelpKey KeyCode = "Help"
|
|
|
|
BackspaceKey KeyCode = "Backspace"
|
2023-05-29 15:28:22 +03:00
|
|
|
PrintScreenKey KeyCode = "PrintScreen"
|
|
|
|
ScrollLockKey KeyCode = "ScrollLock"
|
|
|
|
PauseKey KeyCode = "Pause"
|
|
|
|
ContextMenuKey KeyCode = "ContextMenu"
|
2023-05-15 16:19:33 +03:00
|
|
|
ArrowLeftKey KeyCode = "ArrowLeft"
|
|
|
|
ArrowRightKey KeyCode = "ArrowRight"
|
|
|
|
ArrowUpKey KeyCode = "ArrowUp"
|
|
|
|
ArrowDownKey KeyCode = "ArrowDown"
|
|
|
|
HomeKey KeyCode = "Home"
|
|
|
|
EndKey KeyCode = "End"
|
|
|
|
PageUpKey KeyCode = "PageUp"
|
|
|
|
PageDownKey KeyCode = "PageDown"
|
|
|
|
F1Key KeyCode = "F1"
|
|
|
|
F2Key KeyCode = "F2"
|
|
|
|
F3Key KeyCode = "F3"
|
|
|
|
F4Key KeyCode = "F4"
|
|
|
|
F5Key KeyCode = "F5"
|
|
|
|
F6Key KeyCode = "F6"
|
|
|
|
F7Key KeyCode = "F7"
|
|
|
|
F8Key KeyCode = "F8"
|
|
|
|
F9Key KeyCode = "F9"
|
|
|
|
F10Key KeyCode = "F10"
|
|
|
|
F11Key KeyCode = "F11"
|
|
|
|
F12Key KeyCode = "F12"
|
|
|
|
F13Key KeyCode = "F13"
|
|
|
|
NumLockKey KeyCode = "NumLock"
|
|
|
|
NumpadKey0 KeyCode = "Numpad0"
|
|
|
|
NumpadKey1 KeyCode = "Numpad1"
|
|
|
|
NumpadKey2 KeyCode = "Numpad2"
|
|
|
|
NumpadKey3 KeyCode = "Numpad3"
|
|
|
|
NumpadKey4 KeyCode = "Numpad4"
|
|
|
|
NumpadKey5 KeyCode = "Numpad5"
|
|
|
|
NumpadKey6 KeyCode = "Numpad6"
|
|
|
|
NumpadKey7 KeyCode = "Numpad7"
|
|
|
|
NumpadKey8 KeyCode = "Numpad8"
|
|
|
|
NumpadKey9 KeyCode = "Numpad9"
|
|
|
|
NumpadDecimalKey KeyCode = "NumpadDecimal"
|
|
|
|
NumpadEnterKey KeyCode = "NumpadEnter"
|
|
|
|
NumpadAddKey KeyCode = "NumpadAdd"
|
|
|
|
NumpadSubtractKey KeyCode = "NumpadSubtract"
|
|
|
|
NumpadMultiplyKey KeyCode = "NumpadMultiply"
|
|
|
|
NumpadDivideKey KeyCode = "NumpadDivide"
|
|
|
|
ShiftLeftKey KeyCode = "ShiftLeft"
|
|
|
|
ShiftRightKey KeyCode = "ShiftRight"
|
|
|
|
ControlLeftKey KeyCode = "ControlLeft"
|
|
|
|
ControlRightKey KeyCode = "ControlRight"
|
|
|
|
AltLeftKey KeyCode = "AltLeft"
|
|
|
|
AltRightKey KeyCode = "AltRight"
|
|
|
|
MetaLeftKey KeyCode = "MetaLeft"
|
|
|
|
MetaRightKey KeyCode = "MetaRight"
|
2021-09-07 17:36:50 +03:00
|
|
|
)
|
|
|
|
|
|
|
|
type KeyEvent struct {
|
|
|
|
// TimeStamp is the time at which the event was created (in milliseconds).
|
|
|
|
// This value is time since epoch—but in reality, browsers' definitions vary.
|
|
|
|
TimeStamp uint64
|
|
|
|
|
|
|
|
// Key is the key value of the key represented by the event. If the value has a printed representation,
|
|
|
|
// this attribute's value is the same as the char property. Otherwise, it's one of the key value strings
|
|
|
|
// specified in Key values. If the key can't be identified, its value is the string "Unidentified".
|
|
|
|
Key string
|
|
|
|
|
|
|
|
// Code holds a string that identifies the physical key being pressed. The value is not affected
|
|
|
|
// by the current keyboard layout or modifier state, so a particular key will always return the same value.
|
2023-05-29 17:19:47 +03:00
|
|
|
Code KeyCode
|
2021-09-07 17:36:50 +03:00
|
|
|
|
|
|
|
// Repeat == true if a key has been depressed long enough to trigger key repetition, otherwise false.
|
|
|
|
Repeat bool
|
|
|
|
|
|
|
|
// CtrlKey == true if the control key was down when the event was fired. false otherwise.
|
|
|
|
CtrlKey bool
|
|
|
|
|
|
|
|
// ShiftKey == true if the shift key was down when the event was fired. false otherwise.
|
|
|
|
ShiftKey bool
|
|
|
|
|
|
|
|
// AltKey == true if the alt key was down when the event was fired. false otherwise.
|
|
|
|
AltKey bool
|
|
|
|
|
|
|
|
// MetaKey == true if the meta key was down when the event was fired. false otherwise.
|
|
|
|
MetaKey bool
|
|
|
|
}
|
|
|
|
|
2022-07-27 20:31:57 +03:00
|
|
|
func (event *KeyEvent) init(data DataObject) {
|
|
|
|
getBool := func(tag string) bool {
|
|
|
|
if value, ok := data.PropertyValue(tag); ok && value == "1" {
|
|
|
|
return true
|
|
|
|
}
|
|
|
|
return false
|
|
|
|
}
|
|
|
|
|
|
|
|
event.Key, _ = data.PropertyValue("key")
|
2023-05-29 17:19:47 +03:00
|
|
|
code, _ := data.PropertyValue("code")
|
|
|
|
event.Code = KeyCode(code)
|
2022-07-27 20:31:57 +03:00
|
|
|
event.TimeStamp = getTimeStamp(data)
|
|
|
|
event.Repeat = getBool("repeat")
|
|
|
|
event.CtrlKey = getBool("ctrlKey")
|
|
|
|
event.ShiftKey = getBool("shiftKey")
|
|
|
|
event.AltKey = getBool("altKey")
|
|
|
|
event.MetaKey = getBool("metaKey")
|
|
|
|
}
|
|
|
|
|
|
|
|
func valueToEventListeners[V View, E any](value any) ([]func(V, E), bool) {
|
2021-09-07 17:36:50 +03:00
|
|
|
if value == nil {
|
|
|
|
return nil, true
|
|
|
|
}
|
|
|
|
|
|
|
|
switch value := value.(type) {
|
2022-07-27 20:31:57 +03:00
|
|
|
case func(V, E):
|
|
|
|
return []func(V, E){value}, true
|
2021-09-07 17:36:50 +03:00
|
|
|
|
2022-07-27 20:31:57 +03:00
|
|
|
case func(E):
|
|
|
|
fn := func(_ V, event E) {
|
2021-09-07 17:36:50 +03:00
|
|
|
value(event)
|
|
|
|
}
|
2022-07-27 20:31:57 +03:00
|
|
|
return []func(V, E){fn}, true
|
2021-09-07 17:36:50 +03:00
|
|
|
|
2022-07-27 20:31:57 +03:00
|
|
|
case func(V):
|
|
|
|
fn := func(view V, _ E) {
|
2021-09-07 17:36:50 +03:00
|
|
|
value(view)
|
|
|
|
}
|
2022-07-27 20:31:57 +03:00
|
|
|
return []func(V, E){fn}, true
|
2021-09-07 17:36:50 +03:00
|
|
|
|
|
|
|
case func():
|
2022-07-27 20:31:57 +03:00
|
|
|
fn := func(V, E) {
|
2021-09-07 17:36:50 +03:00
|
|
|
value()
|
|
|
|
}
|
2022-07-27 20:31:57 +03:00
|
|
|
return []func(V, E){fn}, true
|
2021-09-07 17:36:50 +03:00
|
|
|
|
2022-07-27 20:31:57 +03:00
|
|
|
case []func(V, E):
|
2021-09-07 17:36:50 +03:00
|
|
|
if len(value) == 0 {
|
|
|
|
return nil, true
|
|
|
|
}
|
|
|
|
for _, fn := range value {
|
|
|
|
if fn == nil {
|
|
|
|
return nil, false
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return value, true
|
|
|
|
|
2022-07-27 20:31:57 +03:00
|
|
|
case []func(E):
|
2021-09-07 17:36:50 +03:00
|
|
|
count := len(value)
|
|
|
|
if count == 0 {
|
|
|
|
return nil, true
|
|
|
|
}
|
2022-07-27 20:31:57 +03:00
|
|
|
listeners := make([]func(V, E), count)
|
2021-09-07 17:36:50 +03:00
|
|
|
for i, v := range value {
|
|
|
|
if v == nil {
|
|
|
|
return nil, false
|
|
|
|
}
|
2022-07-27 20:31:57 +03:00
|
|
|
listeners[i] = func(_ V, event E) {
|
2021-09-07 17:36:50 +03:00
|
|
|
v(event)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return listeners, true
|
|
|
|
|
2022-07-27 20:31:57 +03:00
|
|
|
case []func(V):
|
2021-09-07 17:36:50 +03:00
|
|
|
count := len(value)
|
|
|
|
if count == 0 {
|
|
|
|
return nil, true
|
|
|
|
}
|
2022-07-27 20:31:57 +03:00
|
|
|
listeners := make([]func(V, E), count)
|
2021-09-07 17:36:50 +03:00
|
|
|
for i, v := range value {
|
|
|
|
if v == nil {
|
|
|
|
return nil, false
|
|
|
|
}
|
2022-07-27 20:31:57 +03:00
|
|
|
listeners[i] = func(view V, _ E) {
|
2021-09-07 17:36:50 +03:00
|
|
|
v(view)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return listeners, true
|
|
|
|
|
|
|
|
case []func():
|
|
|
|
count := len(value)
|
|
|
|
if count == 0 {
|
|
|
|
return nil, true
|
|
|
|
}
|
2022-07-27 20:31:57 +03:00
|
|
|
listeners := make([]func(V, E), count)
|
2021-09-07 17:36:50 +03:00
|
|
|
for i, v := range value {
|
|
|
|
if v == nil {
|
|
|
|
return nil, false
|
|
|
|
}
|
2022-07-27 20:31:57 +03:00
|
|
|
listeners[i] = func(V, E) {
|
2021-09-07 17:36:50 +03:00
|
|
|
v()
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return listeners, true
|
|
|
|
|
2022-07-26 18:36:00 +03:00
|
|
|
case []any:
|
2021-09-07 17:36:50 +03:00
|
|
|
count := len(value)
|
|
|
|
if count == 0 {
|
|
|
|
return nil, true
|
|
|
|
}
|
2022-07-27 20:31:57 +03:00
|
|
|
listeners := make([]func(V, E), count)
|
2021-09-07 17:36:50 +03:00
|
|
|
for i, v := range value {
|
|
|
|
if v == nil {
|
|
|
|
return nil, false
|
|
|
|
}
|
|
|
|
switch v := v.(type) {
|
2022-07-27 20:31:57 +03:00
|
|
|
case func(V, E):
|
2021-09-07 17:36:50 +03:00
|
|
|
listeners[i] = v
|
|
|
|
|
2022-07-27 20:31:57 +03:00
|
|
|
case func(E):
|
|
|
|
listeners[i] = func(_ V, event E) {
|
2021-09-07 17:36:50 +03:00
|
|
|
v(event)
|
|
|
|
}
|
|
|
|
|
2022-07-27 20:31:57 +03:00
|
|
|
case func(V):
|
|
|
|
listeners[i] = func(view V, _ E) {
|
2021-09-07 17:36:50 +03:00
|
|
|
v(view)
|
|
|
|
}
|
|
|
|
|
|
|
|
case func():
|
2022-07-27 20:31:57 +03:00
|
|
|
listeners[i] = func(V, E) {
|
2021-09-07 17:36:50 +03:00
|
|
|
v()
|
|
|
|
}
|
|
|
|
|
|
|
|
default:
|
|
|
|
return nil, false
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return listeners, true
|
|
|
|
}
|
|
|
|
|
|
|
|
return nil, false
|
|
|
|
}
|
|
|
|
|
2023-04-23 18:07:01 +03:00
|
|
|
func valueToEventWithOldListeners[V View, E any](value any) ([]func(V, E, E), bool) {
|
|
|
|
if value == nil {
|
|
|
|
return nil, true
|
|
|
|
}
|
|
|
|
|
|
|
|
switch value := value.(type) {
|
|
|
|
case func(V, E, E):
|
|
|
|
return []func(V, E, E){value}, true
|
|
|
|
|
|
|
|
case func(V, E):
|
|
|
|
fn := func(v V, val, _ E) {
|
|
|
|
value(v, val)
|
|
|
|
}
|
|
|
|
return []func(V, E, E){fn}, true
|
|
|
|
|
|
|
|
case func(E, E):
|
|
|
|
fn := func(_ V, val, old E) {
|
|
|
|
value(val, old)
|
|
|
|
}
|
|
|
|
return []func(V, E, E){fn}, true
|
|
|
|
|
|
|
|
case func(E):
|
|
|
|
fn := func(_ V, val, _ E) {
|
|
|
|
value(val)
|
|
|
|
}
|
|
|
|
return []func(V, E, E){fn}, true
|
|
|
|
|
|
|
|
case func(V):
|
|
|
|
fn := func(v V, _, _ E) {
|
|
|
|
value(v)
|
|
|
|
}
|
|
|
|
return []func(V, E, E){fn}, true
|
|
|
|
|
|
|
|
case func():
|
|
|
|
fn := func(V, E, E) {
|
|
|
|
value()
|
|
|
|
}
|
|
|
|
return []func(V, E, E){fn}, true
|
|
|
|
|
|
|
|
case []func(V, E, E):
|
|
|
|
if len(value) == 0 {
|
|
|
|
return nil, true
|
|
|
|
}
|
|
|
|
for _, fn := range value {
|
|
|
|
if fn == nil {
|
|
|
|
return nil, false
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return value, true
|
|
|
|
|
|
|
|
case []func(V, E):
|
|
|
|
count := len(value)
|
|
|
|
if count == 0 {
|
|
|
|
return nil, true
|
|
|
|
}
|
|
|
|
listeners := make([]func(V, E, E), count)
|
|
|
|
for i, fn := range value {
|
|
|
|
if fn == nil {
|
|
|
|
return nil, false
|
|
|
|
}
|
|
|
|
listeners[i] = func(view V, val, _ E) {
|
|
|
|
fn(view, val)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return listeners, true
|
|
|
|
|
|
|
|
case []func(E):
|
|
|
|
count := len(value)
|
|
|
|
if count == 0 {
|
|
|
|
return nil, true
|
|
|
|
}
|
|
|
|
listeners := make([]func(V, E, E), count)
|
|
|
|
for i, fn := range value {
|
|
|
|
if fn == nil {
|
|
|
|
return nil, false
|
|
|
|
}
|
|
|
|
listeners[i] = func(_ V, val, _ E) {
|
|
|
|
fn(val)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return listeners, true
|
|
|
|
|
|
|
|
case []func(E, E):
|
|
|
|
count := len(value)
|
|
|
|
if count == 0 {
|
|
|
|
return nil, true
|
|
|
|
}
|
|
|
|
listeners := make([]func(V, E, E), count)
|
|
|
|
for i, fn := range value {
|
|
|
|
if fn == nil {
|
|
|
|
return nil, false
|
|
|
|
}
|
|
|
|
listeners[i] = func(_ V, val, old E) {
|
|
|
|
fn(val, old)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return listeners, true
|
|
|
|
|
|
|
|
case []func(V):
|
|
|
|
count := len(value)
|
|
|
|
if count == 0 {
|
|
|
|
return nil, true
|
|
|
|
}
|
|
|
|
listeners := make([]func(V, E, E), count)
|
|
|
|
for i, fn := range value {
|
|
|
|
if fn == nil {
|
|
|
|
return nil, false
|
|
|
|
}
|
|
|
|
listeners[i] = func(view V, _, _ E) {
|
|
|
|
fn(view)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return listeners, true
|
|
|
|
|
|
|
|
case []func():
|
|
|
|
count := len(value)
|
|
|
|
if count == 0 {
|
|
|
|
return nil, true
|
|
|
|
}
|
|
|
|
listeners := make([]func(V, E, E), count)
|
|
|
|
for i, fn := range value {
|
|
|
|
if fn == nil {
|
|
|
|
return nil, false
|
|
|
|
}
|
|
|
|
listeners[i] = func(V, E, E) {
|
|
|
|
fn()
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return listeners, true
|
|
|
|
|
|
|
|
case []any:
|
|
|
|
count := len(value)
|
|
|
|
if count == 0 {
|
|
|
|
return nil, true
|
|
|
|
}
|
|
|
|
listeners := make([]func(V, E, E), count)
|
|
|
|
for i, v := range value {
|
|
|
|
if v == nil {
|
|
|
|
return nil, false
|
|
|
|
}
|
|
|
|
switch fn := v.(type) {
|
|
|
|
case func(V, E, E):
|
|
|
|
listeners[i] = fn
|
|
|
|
|
|
|
|
case func(V, E):
|
|
|
|
listeners[i] = func(view V, val, _ E) {
|
|
|
|
fn(view, val)
|
|
|
|
}
|
|
|
|
|
|
|
|
case func(E, E):
|
|
|
|
listeners[i] = func(_ V, val, old E) {
|
|
|
|
fn(val, old)
|
|
|
|
}
|
|
|
|
|
|
|
|
case func(E):
|
|
|
|
listeners[i] = func(_ V, val, _ E) {
|
|
|
|
fn(val)
|
|
|
|
}
|
|
|
|
|
|
|
|
case func(V):
|
|
|
|
listeners[i] = func(view V, _, _ E) {
|
|
|
|
fn(view)
|
|
|
|
}
|
|
|
|
|
|
|
|
case func():
|
|
|
|
listeners[i] = func(V, E, E) {
|
|
|
|
fn()
|
|
|
|
}
|
|
|
|
|
|
|
|
default:
|
|
|
|
return nil, false
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return listeners, true
|
|
|
|
}
|
|
|
|
|
|
|
|
return nil, false
|
|
|
|
}
|
|
|
|
|
2022-07-26 18:36:00 +03:00
|
|
|
func (view *viewData) setKeyListener(tag string, value any) bool {
|
2022-07-27 20:31:57 +03:00
|
|
|
listeners, ok := valueToEventListeners[View, KeyEvent](value)
|
2021-09-07 17:36:50 +03:00
|
|
|
if !ok {
|
|
|
|
notCompatibleType(tag, value)
|
|
|
|
return false
|
|
|
|
}
|
|
|
|
|
|
|
|
if listeners == nil {
|
|
|
|
view.removeKeyListener(tag)
|
|
|
|
} else {
|
2023-05-02 17:20:01 +03:00
|
|
|
switch tag {
|
|
|
|
case KeyDownEvent:
|
2023-05-15 15:27:37 +03:00
|
|
|
view.properties[tag] = listeners
|
2023-05-02 17:20:01 +03:00
|
|
|
if view.created {
|
|
|
|
view.session.updateProperty(view.htmlID(), "onkeydown", "keyDownEvent(this, event)")
|
|
|
|
}
|
|
|
|
|
|
|
|
case KeyUpEvent:
|
2023-05-15 15:27:37 +03:00
|
|
|
view.properties[tag] = listeners
|
2023-05-02 17:20:01 +03:00
|
|
|
if view.created {
|
|
|
|
view.session.updateProperty(view.htmlID(), "onkeyup", "keyUpEvent(this, event)")
|
|
|
|
}
|
|
|
|
|
|
|
|
default:
|
|
|
|
return false
|
|
|
|
}
|
2021-09-07 17:36:50 +03:00
|
|
|
}
|
2023-05-02 17:20:01 +03:00
|
|
|
|
2021-09-07 17:36:50 +03:00
|
|
|
return true
|
|
|
|
}
|
|
|
|
|
|
|
|
func (view *viewData) removeKeyListener(tag string) {
|
|
|
|
delete(view.properties, tag)
|
|
|
|
if view.created {
|
2023-05-02 17:20:01 +03:00
|
|
|
switch tag {
|
|
|
|
case KeyDownEvent:
|
|
|
|
if !view.Focusable() {
|
|
|
|
view.session.removeProperty(view.htmlID(), "onkeydown")
|
|
|
|
}
|
|
|
|
|
|
|
|
case KeyUpEvent:
|
|
|
|
view.session.removeProperty(view.htmlID(), "onkeyup")
|
2021-09-07 17:36:50 +03:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2023-04-23 18:07:01 +03:00
|
|
|
func getEventWithOldListeners[V View, E any](view View, subviewID []string, tag string) []func(V, E, E) {
|
|
|
|
if len(subviewID) > 0 && subviewID[0] != "" {
|
|
|
|
view = ViewByID(view, subviewID[0])
|
|
|
|
}
|
|
|
|
if view != nil {
|
|
|
|
if value := view.Get(tag); value != nil {
|
|
|
|
if result, ok := value.([]func(V, E, E)); ok {
|
|
|
|
return result
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return []func(V, E, E){}
|
|
|
|
}
|
2023-05-15 15:27:37 +03:00
|
|
|
|
2022-08-31 22:17:46 +03:00
|
|
|
func getEventListeners[V View, E any](view View, subviewID []string, tag string) []func(V, E) {
|
|
|
|
if len(subviewID) > 0 && subviewID[0] != "" {
|
|
|
|
view = ViewByID(view, subviewID[0])
|
2021-09-07 17:36:50 +03:00
|
|
|
}
|
|
|
|
if view != nil {
|
|
|
|
if value := view.Get(tag); value != nil {
|
2022-07-27 20:31:57 +03:00
|
|
|
if result, ok := value.([]func(V, E)); ok {
|
2021-09-07 17:36:50 +03:00
|
|
|
return result
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2022-07-27 20:31:57 +03:00
|
|
|
return []func(V, E){}
|
2021-09-07 17:36:50 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
func keyEventsHtml(view View, buffer *strings.Builder) {
|
2023-05-02 17:20:01 +03:00
|
|
|
if len(getEventListeners[View, KeyEvent](view, nil, KeyDownEvent)) > 0 {
|
|
|
|
buffer.WriteString(`onkeydown="keyDownEvent(this, event)" `)
|
|
|
|
} else if view.Focusable() {
|
|
|
|
if len(getEventListeners[View, MouseEvent](view, nil, ClickEvent)) > 0 {
|
|
|
|
buffer.WriteString(`onkeydown="keyDownEvent(this, event)" `)
|
2021-09-07 17:36:50 +03:00
|
|
|
}
|
|
|
|
}
|
2023-05-02 17:20:01 +03:00
|
|
|
|
|
|
|
if listeners := getEventListeners[View, KeyEvent](view, nil, KeyUpEvent); len(listeners) > 0 {
|
|
|
|
buffer.WriteString(`onkeyup="keyUpEvent(this, event)" `)
|
|
|
|
}
|
2021-09-07 17:36:50 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
func handleKeyEvents(view View, tag string, data DataObject) {
|
2023-05-02 17:20:01 +03:00
|
|
|
var event KeyEvent
|
|
|
|
event.init(data)
|
2022-08-31 22:17:46 +03:00
|
|
|
listeners := getEventListeners[View, KeyEvent](view, nil, tag)
|
2021-09-07 17:36:50 +03:00
|
|
|
|
2023-05-02 17:20:01 +03:00
|
|
|
if len(listeners) > 0 {
|
2022-07-27 20:31:57 +03:00
|
|
|
for _, listener := range listeners {
|
|
|
|
listener(view, event)
|
2021-09-07 17:36:50 +03:00
|
|
|
}
|
2023-05-02 17:20:01 +03:00
|
|
|
return
|
|
|
|
}
|
|
|
|
|
|
|
|
if tag == KeyDownEvent && view.Focusable() && (event.Key == " " || event.Key == "Enter") && !IsDisabled(view) {
|
|
|
|
if listeners := getEventListeners[View, MouseEvent](view, nil, ClickEvent); len(listeners) > 0 {
|
|
|
|
clickEvent := MouseEvent{
|
|
|
|
TimeStamp: event.TimeStamp,
|
|
|
|
Button: PrimaryMouseButton,
|
|
|
|
Buttons: PrimaryMouseMask,
|
|
|
|
CtrlKey: event.CtrlKey,
|
|
|
|
AltKey: event.AltKey,
|
|
|
|
ShiftKey: event.ShiftKey,
|
|
|
|
MetaKey: event.MetaKey,
|
|
|
|
ClientX: view.Frame().Width / 2,
|
|
|
|
ClientY: view.Frame().Height / 2,
|
|
|
|
X: view.Frame().Width / 2,
|
|
|
|
Y: view.Frame().Height / 2,
|
|
|
|
ScreenX: view.Frame().Left + view.Frame().Width/2,
|
|
|
|
ScreenY: view.Frame().Top + view.Frame().Height/2,
|
|
|
|
}
|
|
|
|
for _, listener := range listeners {
|
|
|
|
listener(view, clickEvent)
|
|
|
|
}
|
|
|
|
}
|
2021-09-07 17:36:50 +03:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// GetKeyDownListeners returns the "key-down-event" listener list. If there are no listeners then the empty list is returned.
|
2022-08-31 22:17:46 +03:00
|
|
|
// If the second argument (subviewID) is not specified or it is "" then a value from the first argument (view) is returned.
|
|
|
|
func GetKeyDownListeners(view View, subviewID ...string) []func(View, KeyEvent) {
|
2022-07-27 20:31:57 +03:00
|
|
|
return getEventListeners[View, KeyEvent](view, subviewID, KeyDownEvent)
|
2021-09-07 17:36:50 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
// GetKeyUpListeners returns the "key-up-event" listener list. If there are no listeners then the empty list is returned.
|
2022-08-31 22:17:46 +03:00
|
|
|
// If the second argument (subviewID) is not specified or it is "" then a value from the first argument (view) is returned.
|
|
|
|
func GetKeyUpListeners(view View, subviewID ...string) []func(View, KeyEvent) {
|
2022-07-27 20:31:57 +03:00
|
|
|
return getEventListeners[View, KeyEvent](view, subviewID, KeyUpEvent)
|
2021-09-07 17:36:50 +03:00
|
|
|
}
|