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cmd/gogio: add clicks to the e2e tests

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The test app now responds to mouse clicks; clicking on one of the four
sections of the app flips it to red color until clicked again.

Add a Click method to the TestDriver interface, and implement it in both
of the current drivers. Unfortunately, I failed at implementing it in
X11 with the xdg library, after a few wasted hours. Instead, start
relying on more external tools which are simple to use and not heavy to
install.

Signed-off-by: Daniel Martí <mvdan@mvdan.cc>
This commit is contained in:
Daniel Martí
2019-11-01 20:57:34 +00:00
committed by Elias Naur
parent 5b948ceece
commit 41402ce524
4 changed files with 153 additions and 71 deletions
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cmd/gogio/testdata/red.go
Vendored
+51 -16
View File
@@ -1,14 +1,16 @@
// SPDX-License-Identifier: Unlicense OR MIT
// A dead simple app that just paints the background red.
// A simple app used for gogio's end-to-end tests.
package main
import (
"image"
"image/color"
"log"
"gioui.org/app"
"gioui.org/f32"
"gioui.org/io/pointer"
"gioui.org/io/system"
"gioui.org/layout"
"gioui.org/op/paint"
@@ -25,10 +27,18 @@ func main() {
}
func loop(w *app.Window) error {
topLeft := color.RGBA{R: 0xde, G: 0xad, B: 0xbe, A: 0xff}
topRight := color.RGBA{R: 0xff, G: 0xff, B: 0xff, A: 0xff}
botLeft := color.RGBA{R: 0x00, G: 0x00, B: 0x00, A: 0xff}
botRight := color.RGBA{R: 0x00, G: 0x00, B: 0x00, A: 0x80}
topLeft := quarterWidget{
color: color.RGBA{R: 0xde, G: 0xad, B: 0xbe, A: 0xff},
}
topRight := quarterWidget{
color: color.RGBA{R: 0xff, G: 0xff, B: 0xff, A: 0xff},
}
botLeft := quarterWidget{
color: color.RGBA{R: 0x00, G: 0x00, B: 0x00, A: 0xff},
}
botRight := quarterWidget{
color: color.RGBA{R: 0x00, G: 0x00, B: 0x00, A: 0x80},
}
gtx := &layout.Context{
Queue: w.Queue(),
@@ -39,32 +49,57 @@ func loop(w *app.Window) error {
case system.DestroyEvent:
return e.Err
case system.FrameEvent:
gtx.Reset(e.Config, e.Size)
rows := layout.Flex{Axis: layout.Vertical}
r1 := rows.Flex(gtx, 0.5, func() {
columns := layout.Flex{Axis: layout.Horizontal}
r1c1 := columns.Flex(gtx, 0.5, quarterWidget(gtx, topLeft))
r1c2 := columns.Flex(gtx, 0.5, quarterWidget(gtx, topRight))
r1c1 := columns.Flex(gtx, 0.5, func() { topLeft.Layout(gtx) })
r1c2 := columns.Flex(gtx, 0.5, func() { topRight.Layout(gtx) })
columns.Layout(gtx, r1c1, r1c2)
})
r2 := rows.Flex(gtx, 0.5, func() {
columns := layout.Flex{Axis: layout.Horizontal}
r2c1 := columns.Flex(gtx, 0.5, quarterWidget(gtx, botLeft))
r2c2 := columns.Flex(gtx, 0.5, quarterWidget(gtx, botRight))
r2c1 := columns.Flex(gtx, 0.5, func() { botLeft.Layout(gtx) })
r2c2 := columns.Flex(gtx, 0.5, func() { botRight.Layout(gtx) })
columns.Layout(gtx, r2c1, r2c2)
})
rows.Layout(gtx, r1, r2)
e.Frame(gtx.Ops)
}
}
}
func quarterWidget(gtx *layout.Context, clr color.RGBA) func() {
return func() {
paint.ColorOp{Color: clr}.Add(gtx.Ops)
paint.PaintOp{Rect: f32.Rectangle{Max: f32.Point{
X: float32(gtx.Constraints.Width.Max),
Y: float32(gtx.Constraints.Height.Max),
}}}.Add(gtx.Ops)
// quarterWidget paints a quarter of the screen with one color. When clicked, it
// turns red, going back to its normal color when clicked again.
type quarterWidget struct {
color color.RGBA
clicked bool
}
var red = color.RGBA{R: 0xff, G: 0x00, B: 0x00, A: 0xff}
func (w *quarterWidget) Layout(gtx *layout.Context) {
if w.clicked {
paint.ColorOp{Color: red}.Add(gtx.Ops)
} else {
paint.ColorOp{Color: w.color}.Add(gtx.Ops)
}
paint.PaintOp{Rect: f32.Rectangle{Max: f32.Point{
X: float32(gtx.Constraints.Width.Max),
Y: float32(gtx.Constraints.Height.Max),
}}}.Add(gtx.Ops)
pointer.RectAreaOp{Rect: image.Rectangle{
Max: image.Pt(gtx.Constraints.Width.Max, gtx.Constraints.Height.Max),
}}.Add(gtx.Ops)
pointer.InputOp{Key: w}.Add(gtx.Ops)
for _, e := range gtx.Events(w) {
if e, ok := e.(pointer.Event); ok && e.Type == pointer.Press {
w.clicked = !w.clicked
}
}
}