ebiten/internal/ui/input_cbackend.go
2022-02-06 19:07:17 +09:00

92 lines
2.0 KiB
Go

// Copyright 2021 The Ebiten 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 ebitencbackend
// +build ebitencbackend
package ui
import (
"sync"
"github.com/hajimehoshi/ebiten/v2/internal/cbackend"
"github.com/hajimehoshi/ebiten/v2/internal/driver"
"github.com/hajimehoshi/ebiten/v2/internal/gamepad"
)
type Input struct {
gamepads []cbackend.Gamepad
touches []cbackend.Touch
m sync.Mutex
}
func (i *Input) update(context Context) {
i.m.Lock()
defer i.m.Unlock()
gamepad.Update()
i.touches = i.touches[:0]
i.touches = cbackend.AppendTouches(i.touches)
for idx, t := range i.touches {
x, y := context.AdjustPosition(float64(t.X), float64(t.Y), deviceScaleFactor)
i.touches[idx].X = int(x)
i.touches[idx].Y = int(y)
}
}
func (i *Input) AppendInputChars(runes []rune) []rune {
return nil
}
func (i *Input) AppendTouchIDs(touchIDs []TouchID) []TouchID {
i.m.Lock()
defer i.m.Unlock()
for _, t := range i.touches {
touchIDs = append(touchIDs, TouchID(t.ID))
}
return touchIDs
}
func (i *Input) CursorPosition() (x, y int) {
return 0, 0
}
func (i *Input) IsKeyPressed(key driver.Key) bool {
return false
}
func (i *Input) IsMouseButtonPressed(button MouseButton) bool {
return false
}
func (i *Input) TouchPosition(id TouchID) (x, y int) {
i.m.Lock()
defer i.m.Unlock()
for _, t := range i.touches {
if TouchID(t.ID) == id {
return t.X, t.Y
}
}
return 0, 0
}
func (i *Input) Wheel() (xoff, yoff float64) {
return 0, 0
}