Browse Source

Highlight pressed keys

master
Trevor Slocum 3 days ago
parent
commit
85209031ef
  1. 2
      key.go
  2. 83
      keyboard.go
  3. 8
      keys.go

2
key.go

@ -12,6 +12,8 @@ type Key struct {
x, y int
w, h int
pressed bool
}
type Input struct {

83
keyboard.go

@ -4,6 +4,7 @@ import (
"image"
"image/color"
"log"
"time"
"github.com/hajimehoshi/ebiten/v2"
"github.com/hajimehoshi/ebiten/v2/examples/resources/fonts"
@ -28,7 +29,8 @@ type Keyboard struct {
keys [][]*Key
background *ebiten.Image
background *ebiten.Image
backgroundDirty bool
op *ebiten.DrawImageOptions
@ -87,7 +89,7 @@ func (k *Keyboard) SetRect(x, y, w, h int) {
k.x, k.y, k.w, k.h = x, y, w, h
k.updateKeyRects()
k.drawBackground()
k.backgroundDirty = true
}
func (k *Keyboard) GetKeys() [][]*Key {
@ -98,13 +100,13 @@ func (k *Keyboard) SetKeys(keys [][]*Key) {
k.keys = keys
k.updateKeyRects()
k.drawBackground()
k.backgroundDirty = true
}
func (k *Keyboard) SetLabelFont(face font.Face) {
k.labelFont = face
k.drawBackground()
k.backgroundDirty = true
}
func (k *Keyboard) SetHideShortcuts(shortcuts []ebiten.Key) {
@ -132,6 +134,10 @@ func (k *Keyboard) updateKeyRects() {
key.y = (cellH + cellPaddingH) * row
key.w = cellW
key.h = cellH
if i == len(rowKeys)-1 {
key.w = k.w - key.x
}
}
}
}
@ -175,7 +181,7 @@ func (k *Keyboard) Hit(key *Key) {
if input.Key == ebiten.KeyShift {
k.shift = !k.shift
k.drawBackground()
k.backgroundDirty = true
return
} else if k.handleHideKey(input.Key) {
// Hidden
@ -199,25 +205,51 @@ func (k *Keyboard) Update() error {
for _, r := range k.internalBuffer {
k.inputBuffer <- &Input{Rune: r} // Pass through
}
}
// Read keys
for _, key := range allKeys {
if inpututil.IsKeyJustPressed(key) {
if k.handleHideKey(key) {
// Hidden
return nil
} else {
// Read keys
for _, key := range allKeys {
if inpututil.IsKeyJustPressed(key) {
if k.handleHideKey(key) {
// Hidden
return nil
}
k.inputBuffer <- &Input{Key: key} // Pass through
}
k.inputBuffer <- &Input{Key: key} // Pass through
}
}
}
// Handle mouse input
if inpututil.IsMouseButtonJustPressed(ebiten.MouseButtonLeft) {
if inpututil.IsMouseButtonJustReleased(ebiten.MouseButtonLeft) {
x, y := ebiten.CursorPosition()
key := k.at(x, y)
if key != nil {
for _, rowKeys := range k.keys {
for _, rowKey := range rowKeys {
rowKey.pressed = false
}
}
key.pressed = true
k.backgroundDirty = true
k.Hit(key)
// TODO replace with pressUntil
go func() {
time.Sleep(50 * time.Millisecond)
key.pressed = false
k.backgroundDirty = true
ebiten.ScheduleFrame()
}()
}
} else if ebiten.IsMouseButtonPressed(ebiten.MouseButtonLeft) {
x, y := ebiten.CursorPosition()
key := k.at(x, y)
if key != nil {
key.pressed = true
k.backgroundDirty = true
}
}
// Handle touch input
@ -227,7 +259,19 @@ func (k *Keyboard) Update() error {
key := k.at(x, y)
if key != nil {
key.pressed = true
k.backgroundDirty = true
k.Hit(key)
// TODO replace with pressUntil
go func() {
time.Sleep(50 * time.Millisecond)
key.pressed = false
k.backgroundDirty = true
ebiten.ScheduleFrame()
}()
}
}
return nil
@ -266,10 +310,16 @@ func (k *Keyboard) drawBackground() {
y := key.h / 2
text.Draw(img, label, k.labelFont, x, y, color.White)
if key.pressed {
k.op.ColorM.Scale(1, 1, 1, 0.6)
}
// Draw key
k.op.GeoM.Reset()
k.op.GeoM.Translate(float64(key.x), float64(key.y))
buffer.DrawImage(img, k.op)
k.op.ColorM.Reset()
}
}
@ -282,6 +332,11 @@ func (k *Keyboard) Draw(target *ebiten.Image) {
return
}
if k.backgroundDirty {
k.drawBackground()
k.backgroundDirty = false
}
k.op.GeoM.Reset()
k.op.GeoM.Translate(float64(k.x), float64(k.y))
k.op.ColorM.Scale(1, 1, 1, k.alpha)

8
keys.go

@ -311,6 +311,14 @@ var KeysQWERTY = [][]*Key{
UpperInput: &Input{Rune: '?'},
},
},
{
{
LowerLabel: "Space",
UpperLabel: "SPACE",
LowerInput: &Input{Rune: ' '},
UpperInput: &Input{Rune: ' '},
},
},
}
var allKeys = []ebiten.Key{

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