mirror of
https://github.com/hajimehoshi/ebiten.git
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d00d0c8556
This change adds APIs to enable to use system cursor shapes other than the default shape (an arrow). This change doesn't add these cursors since they seem a little different on macOS from the other platforms. * GLFW_HRESIZE_CURSOR * GLFW_VRESIZE_CURSOR Closes #995
95 lines
2.5 KiB
Go
95 lines
2.5 KiB
Go
// Copyright 2021 The Ebiten 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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// +build example
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package main
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import (
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"image"
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"image/color"
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"log"
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"github.com/hajimehoshi/ebiten/v2"
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"github.com/hajimehoshi/ebiten/v2/ebitenutil"
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)
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const (
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screenWidth = 640
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screenHeight = 480
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)
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type Game struct {
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grids map[image.Rectangle]ebiten.CursorShapeType
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gridColors map[image.Rectangle]color.Color
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}
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func (g *Game) Update() error {
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pt := image.Pt(ebiten.CursorPosition())
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for r, c := range g.grids {
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if pt.In(r) {
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ebiten.SetCursorShape(c)
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return nil
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}
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}
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ebiten.SetCursorShape(ebiten.CursorShapeDefault)
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return nil
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}
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func (g *Game) Draw(screen *ebiten.Image) {
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for r, c := range g.gridColors {
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ebitenutil.DrawRect(screen, float64(r.Min.X), float64(r.Min.Y), float64(r.Dx()), float64(r.Dy()), c)
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}
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switch ebiten.CursorShape() {
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case ebiten.CursorShapeDefault:
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ebitenutil.DebugPrint(screen, "CursorShape: Default")
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case ebiten.CursorShapeText:
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ebitenutil.DebugPrint(screen, "CursorShape: Text")
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case ebiten.CursorShapeCrosshair:
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ebitenutil.DebugPrint(screen, "CursorShape: Crosshair")
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case ebiten.CursorShapePointer:
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ebitenutil.DebugPrint(screen, "CursorShape: Pointer")
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}
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}
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func (g *Game) Layout(outsideWidth, outsideHeight int) (int, int) {
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return screenWidth, screenHeight
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}
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func main() {
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g := &Game{
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grids: map[image.Rectangle]ebiten.CursorShapeType{
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image.Rect(100, 100, 200, 300): ebiten.CursorShapeDefault,
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image.Rect(200, 100, 300, 300): ebiten.CursorShapeText,
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image.Rect(300, 100, 400, 300): ebiten.CursorShapeCrosshair,
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image.Rect(400, 100, 500, 300): ebiten.CursorShapePointer,
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},
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gridColors: map[image.Rectangle]color.Color{},
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}
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for rect, c := range g.grids {
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a := byte(0x40)
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if c%2 == 0 {
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a += 0x40
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}
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g.gridColors[rect] = color.Alpha{a}
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}
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ebiten.SetWindowSize(screenWidth, screenHeight)
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ebiten.SetWindowTitle("Cursor (Ebiten Demo)")
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if err := ebiten.RunGame(g); err != nil {
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log.Fatal(err)
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}
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}
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