mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-09-20 13:22:19 +02:00
133 lines
3.4 KiB
Go
133 lines
3.4 KiB
Go
// Copyright 2015 Hajime Hoshi
|
|
//
|
|
// 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 !android && !ios && !js && !nintendosdk
|
|
|
|
package ui
|
|
|
|
import (
|
|
"math"
|
|
|
|
"github.com/hajimehoshi/ebiten/v2/internal/gamepad"
|
|
"github.com/hajimehoshi/ebiten/v2/internal/glfw"
|
|
)
|
|
|
|
var glfwMouseButtonToMouseButton = map[glfw.MouseButton]MouseButton{
|
|
glfw.MouseButtonLeft: MouseButton0,
|
|
glfw.MouseButtonMiddle: MouseButton1,
|
|
glfw.MouseButtonRight: MouseButton2,
|
|
glfw.MouseButton3: MouseButton3,
|
|
glfw.MouseButton4: MouseButton4,
|
|
}
|
|
|
|
func (u *userInterfaceImpl) registerInputCallbacks() {
|
|
u.window.SetCharModsCallback(glfw.ToCharModsCallback(func(w *glfw.Window, char rune, mods glfw.ModifierKey) {
|
|
// As this function is called from GLFW callbacks, the current thread is main.
|
|
u.m.Lock()
|
|
defer u.m.Unlock()
|
|
u.inputState.appendRune(char)
|
|
}))
|
|
u.window.SetScrollCallback(glfw.ToScrollCallback(func(w *glfw.Window, xoff float64, yoff float64) {
|
|
// As this function is called from GLFW callbacks, the current thread is main.
|
|
u.m.Lock()
|
|
defer u.m.Unlock()
|
|
u.inputState.WheelX += xoff
|
|
u.inputState.WheelY += yoff
|
|
}))
|
|
}
|
|
|
|
func (u *userInterfaceImpl) updateInputState() error {
|
|
var err error
|
|
u.mainThread.Call(func() {
|
|
err = u.updateInputStateImpl()
|
|
})
|
|
return err
|
|
}
|
|
|
|
// updateInputStateImpl must be called from the main thread.
|
|
func (u *userInterfaceImpl) updateInputStateImpl() error {
|
|
u.m.Lock()
|
|
defer u.m.Unlock()
|
|
|
|
for uk, gk := range uiKeyToGLFWKey {
|
|
u.inputState.KeyPressed[uk] = u.window.GetKey(gk) == glfw.Press
|
|
}
|
|
for gb, ub := range glfwMouseButtonToMouseButton {
|
|
u.inputState.MouseButtonPressed[ub] = u.window.GetMouseButton(gb) == glfw.Press
|
|
}
|
|
|
|
m := u.currentMonitor()
|
|
s := u.deviceScaleFactor(m)
|
|
|
|
cx, cy := u.savedCursorX, u.savedCursorY
|
|
defer func() {
|
|
u.savedCursorX = math.NaN()
|
|
u.savedCursorY = math.NaN()
|
|
}()
|
|
|
|
if !math.IsNaN(cx) && !math.IsNaN(cy) {
|
|
cx2, cy2 := u.context.logicalPositionToClientPosition(cx, cy, s)
|
|
cx2 = u.dipToGLFWPixel(cx2, m)
|
|
cy2 = u.dipToGLFWPixel(cy2, m)
|
|
u.window.SetCursorPos(cx2, cy2)
|
|
} else {
|
|
cx2, cy2 := u.window.GetCursorPos()
|
|
cx2 = u.dipFromGLFWPixel(cx2, m)
|
|
cy2 = u.dipFromGLFWPixel(cy2, m)
|
|
cx, cy = u.context.clientPositionToLogicalPosition(cx2, cy2, s)
|
|
}
|
|
|
|
// AdjustPosition can return NaN at the initialization.
|
|
if !math.IsNaN(cx) && !math.IsNaN(cy) {
|
|
u.inputState.CursorX, u.inputState.CursorY = cx, cy
|
|
}
|
|
|
|
if err := gamepad.Update(); err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func KeyName(key Key) string {
|
|
return theUI.keyName(key)
|
|
}
|
|
|
|
func (u *userInterfaceImpl) keyName(key Key) string {
|
|
if !u.isRunning() {
|
|
return ""
|
|
}
|
|
|
|
gk, ok := uiKeyToGLFWKey[key]
|
|
if !ok {
|
|
return ""
|
|
}
|
|
|
|
var name string
|
|
u.mainThread.Call(func() {
|
|
if u.isTerminated() {
|
|
return
|
|
}
|
|
name = glfw.GetKeyName(gk, 0)
|
|
})
|
|
return name
|
|
}
|
|
|
|
func (u *userInterfaceImpl) saveCursorPosition() {
|
|
u.m.Lock()
|
|
defer u.m.Unlock()
|
|
|
|
u.savedCursorX = u.inputState.CursorX
|
|
u.savedCursorY = u.inputState.CursorY
|
|
}
|