mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-11-10 04:57:26 +01:00
59 lines
1.5 KiB
Go
59 lines
1.5 KiB
Go
// Copyright 2023 The Ebitengine Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//go:build (!darwin && !js && !windows) || ios
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package textinput
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import (
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"github.com/hajimehoshi/ebiten/v2"
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"github.com/hajimehoshi/ebiten/v2/internal/ui"
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)
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type textInput struct {
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rs []rune
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lastTick uint64
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}
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var theTextInput textInput
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func (t *textInput) Start(x, y int) (chan State, func()) {
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// AppendInputChars is updated only when the tick is updated.
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// If the tick is not updated, return nil immediately.
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tick := ui.Get().Tick()
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if t.lastTick == tick {
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return nil, nil
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}
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defer func() {
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t.lastTick = tick
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}()
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s := newSession()
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// This is a pseudo implementation with AppendInputChars without IME.
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// This is tentative and should be replaced with IME in the future.
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t.rs = ebiten.AppendInputChars(t.rs[:0])
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if len(t.rs) == 0 {
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return nil, nil
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}
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s.ch <- State{
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Text: string(t.rs),
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Committed: true,
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}
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// Keep the channel as end() resets s.ch.
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ch := s.ch
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s.end()
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return ch, nil
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}
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