132 lines
3.0 KiB
Go
132 lines
3.0 KiB
Go
package test
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import (
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"image"
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"sync"
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"fyne.io/fyne/v2"
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"fyne.io/fyne/v2/internal/driver"
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"fyne.io/fyne/v2/internal/painter"
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"fyne.io/fyne/v2/internal/painter/software"
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intRepo "fyne.io/fyne/v2/internal/repository"
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"fyne.io/fyne/v2/storage/repository"
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)
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// SoftwarePainter describes a simple type that can render canvases
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type SoftwarePainter interface {
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Paint(fyne.Canvas) image.Image
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}
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type testDriver struct {
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device *device
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painter SoftwarePainter
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windows []fyne.Window
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windowsMutex sync.RWMutex
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}
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// Declare conformity with Driver
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var _ fyne.Driver = (*testDriver)(nil)
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// NewDriver sets up and registers a new dummy driver for test purpose
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func NewDriver() fyne.Driver {
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drv := &testDriver{windowsMutex: sync.RWMutex{}}
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repository.Register("file", intRepo.NewFileRepository())
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// make a single dummy window for rendering tests
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drv.CreateWindow("")
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return drv
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}
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// NewDriverWithPainter creates a new dummy driver that will pass the given
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// painter to all canvases created
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func NewDriverWithPainter(painter SoftwarePainter) fyne.Driver {
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return &testDriver{
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painter: painter,
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windowsMutex: sync.RWMutex{},
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}
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}
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func (d *testDriver) AbsolutePositionForObject(co fyne.CanvasObject) fyne.Position {
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c := d.CanvasForObject(co)
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if c == nil {
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return fyne.NewPos(0, 0)
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}
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tc := c.(*testCanvas)
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return driver.AbsolutePositionForObject(co, tc.objectTrees())
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}
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func (d *testDriver) AllWindows() []fyne.Window {
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d.windowsMutex.RLock()
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defer d.windowsMutex.RUnlock()
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return d.windows
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}
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func (d *testDriver) CanvasForObject(fyne.CanvasObject) fyne.Canvas {
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d.windowsMutex.RLock()
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defer d.windowsMutex.RUnlock()
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// cheating: probably the last created window is meant
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return d.windows[len(d.windows)-1].Canvas()
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}
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func (d *testDriver) CreateWindow(string) fyne.Window {
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canvas := NewCanvas().(*testCanvas)
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if d.painter != nil {
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canvas.painter = d.painter
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} else {
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canvas.painter = software.NewPainter()
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}
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window := &testWindow{canvas: canvas, driver: d}
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window.clipboard = &testClipboard{}
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d.windowsMutex.Lock()
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d.windows = append(d.windows, window)
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d.windowsMutex.Unlock()
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return window
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}
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func (d *testDriver) Device() fyne.Device {
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if d.device == nil {
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d.device = &device{}
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}
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return d.device
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}
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// RenderedTextSize looks up how bit a string would be if drawn on screen
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func (d *testDriver) RenderedTextSize(text string, size float32, style fyne.TextStyle) (fyne.Size, float32) {
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return painter.RenderedTextSize(text, size, style)
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}
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func (d *testDriver) Run() {
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// no-op
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}
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func (d *testDriver) StartAnimation(a *fyne.Animation) {
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// currently no animations in test app, we just initialise it and leave
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a.Tick(1.0)
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}
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func (d *testDriver) StopAnimation(a *fyne.Animation) {
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// currently no animations in test app, do nothing
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}
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func (d *testDriver) Quit() {
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// no-op
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}
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func (d *testDriver) removeWindow(w *testWindow) {
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d.windowsMutex.Lock()
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i := 0
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for _, window := range d.windows {
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if window == w {
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break
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}
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i++
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}
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d.windows = append(d.windows[:i], d.windows[i+1:]...)
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d.windowsMutex.Unlock()
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}
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