VideoTools/vendor/fyne.io/fyne/v2/internal/cache/theme.go
Stu Leak 68df790d27 Fix player frame generation and video playback
Major improvements to UnifiedPlayer:

1. GetFrameImage() now works when paused for responsive UI updates
2. Play() method properly starts FFmpeg process
3. Frame display loop runs continuously for smooth video display
4. Disabled audio temporarily to fix video playback fundamentals
5. Simplified FFmpeg command to focus on video stream only

Player now:
- Generates video frames correctly
- Shows video when paused
- Has responsive progress tracking
- Starts playback properly

Next steps: Re-enable audio playback once video is stable
2026-01-07 22:20:00 -05:00

94 lines
1.9 KiB
Go

package cache
import (
"strconv"
"sync/atomic"
"fyne.io/fyne/v2"
"fyne.io/fyne/v2/internal/async"
)
var (
overrides async.Map[fyne.CanvasObject, *overrideScope]
overrideCount atomic.Uint32
)
type overrideScope struct {
th fyne.Theme
cacheID string
}
// OverrideTheme allows an app to specify that a single object should use a different theme to the app.
// This should be used sparingly to avoid a jarring user experience.
// If the object is a container it will theme the children, if it is a canvas primitive it will do nothing.
//
// Since: 2.5
func OverrideTheme(o fyne.CanvasObject, th fyne.Theme) {
id := overrideCount.Add(1)
s := &overrideScope{th: th, cacheID: strconv.Itoa(int(id))}
overrideTheme(o, s)
}
func OverrideThemeMatchingScope(o, parent fyne.CanvasObject) bool {
scope, ok := overrides.Load(parent)
if !ok { // not overridden in parent
return false
}
overrideTheme(o, scope)
return true
}
func WidgetScopeID(o fyne.CanvasObject) string {
scope, ok := overrides.Load(o)
if !ok {
return ""
}
return scope.cacheID
}
func WidgetTheme(o fyne.CanvasObject) fyne.Theme {
scope, ok := overrides.Load(o)
if !ok {
return nil
}
return scope.th
}
func overrideContainer(c *fyne.Container, s *overrideScope) {
for _, o := range c.Objects {
overrideTheme(o, s)
}
}
func overrideTheme(o fyne.CanvasObject, s *overrideScope) {
if _, ok := o.(interface{ SetDeviceIsMobile(bool) }); ok { // ThemeOverride without the import loop
return // do not apply this theme over a new scope
}
switch c := o.(type) {
case fyne.Widget:
overrideWidget(c, s)
case *fyne.Container:
overrideContainer(c, s)
default:
overrides.Store(c, s)
}
}
func overrideWidget(w fyne.Widget, s *overrideScope) {
ResetThemeCaches()
overrides.Store(w, s)
r := Renderer(w)
if r == nil {
return
}
for _, o := range r.Objects() {
overrideTheme(o, s)
}
}