mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-09-19 21:02:18 +02:00
133 lines
3.3 KiB
Go
133 lines
3.3 KiB
Go
// Copyright 2023 The Ebitengine Authors
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
//go:build !ios
|
|
|
|
package textinput
|
|
|
|
// #cgo CFLAGS: -x objective-c
|
|
// #cgo LDFLAGS: -framework Cocoa
|
|
import "C"
|
|
|
|
import (
|
|
"github.com/ebitengine/purego/objc"
|
|
|
|
"github.com/hajimehoshi/ebiten/v2/internal/ui"
|
|
)
|
|
|
|
type textInput struct {
|
|
// session must be accessed from the main thread.
|
|
session *session
|
|
}
|
|
|
|
var theTextInput textInput
|
|
|
|
func (t *textInput) Start(x, y int) (chan State, func()) {
|
|
var session *session
|
|
ui.Get().RunOnMainThread(func() {
|
|
t.end()
|
|
start(x, y)
|
|
session = newSession()
|
|
t.session = session
|
|
})
|
|
return session.ch, session.end
|
|
}
|
|
|
|
//export ebitengine_textinput_update
|
|
func ebitengine_textinput_update(text *C.char, start, end C.int, committed C.int) {
|
|
theTextInput.update(C.GoString(text), int(start), int(end), committed != 0)
|
|
}
|
|
|
|
func (t *textInput) update(text string, start, end int, committed bool) {
|
|
if t.session != nil {
|
|
startInBytes := convertUTF16CountToByteCount(text, start)
|
|
endInBytes := convertUTF16CountToByteCount(text, end)
|
|
t.session.trySend(State{
|
|
Text: text,
|
|
CompositionSelectionStartInBytes: startInBytes,
|
|
CompositionSelectionEndInBytes: endInBytes,
|
|
Committed: committed,
|
|
})
|
|
}
|
|
if committed {
|
|
t.end()
|
|
}
|
|
}
|
|
|
|
//export ebitengine_textinput_end
|
|
func ebitengine_textinput_end() {
|
|
theTextInput.end()
|
|
}
|
|
|
|
func (t *textInput) end() {
|
|
if t.session != nil {
|
|
t.session.end()
|
|
t.session = nil
|
|
}
|
|
}
|
|
|
|
var (
|
|
selAddSubview = objc.RegisterName("addSubview:")
|
|
selAlloc = objc.RegisterName("alloc")
|
|
selContentView = objc.RegisterName("contentView")
|
|
selFrame = objc.RegisterName("frame")
|
|
selInit = objc.RegisterName("init")
|
|
selMainWindow = objc.RegisterName("mainWindow")
|
|
selMakeFirstResponder = objc.RegisterName("makeFirstResponder:")
|
|
selSetFrame = objc.RegisterName("setFrame:")
|
|
selSharedApplication = objc.RegisterName("sharedApplication")
|
|
|
|
idNSApplication = objc.ID(objc.GetClass("NSApplication"))
|
|
)
|
|
|
|
var theTextInputClient objc.ID
|
|
|
|
func getTextInputClient() objc.ID {
|
|
if theTextInputClient == 0 {
|
|
class := objc.ID(objc.GetClass("TextInputClient"))
|
|
theTextInputClient = class.Send(selAlloc).Send(selInit)
|
|
}
|
|
return theTextInputClient
|
|
}
|
|
|
|
type nsPoint struct {
|
|
x float64
|
|
y float64
|
|
}
|
|
|
|
type nsSize struct {
|
|
width float64
|
|
height float64
|
|
}
|
|
|
|
type nsRect struct {
|
|
origin nsPoint
|
|
size nsSize
|
|
}
|
|
|
|
func start(x, y int) {
|
|
t := getTextInputClient()
|
|
window := idNSApplication.Send(selSharedApplication).Send(selMainWindow)
|
|
contentView := window.Send(selContentView)
|
|
contentView.Send(selAddSubview, t)
|
|
window.Send(selMakeFirstResponder, t)
|
|
|
|
r := objc.Send[nsRect](contentView, selFrame)
|
|
y = int(r.size.height) - y - 4
|
|
t.Send(selSetFrame, nsRect{
|
|
origin: nsPoint{float64(x), float64(y)},
|
|
size: nsSize{1, 1},
|
|
})
|
|
}
|