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perf: use goroutine to implement window resize events.
perf: optimized window display in fullscreen and maximized modes. tiny-craft#19
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -5,3 +5,4 @@ frontend/wailsjs | |
| design/ | ||
| .vscode | ||
| .idea | ||
| test | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,105 @@ | ||
| package services | ||
|
|
||
| import ( | ||
| "context" | ||
| "github.com/wailsapp/wails/v2/pkg/runtime" | ||
| "log" | ||
| "sync" | ||
| "time" | ||
| "tinyrdm/backend/types" | ||
| ) | ||
|
|
||
| type systemService struct { | ||
| ctx context.Context | ||
| } | ||
|
|
||
| var system *systemService | ||
| var onceSystem sync.Once | ||
|
|
||
| func System() *systemService { | ||
| if system == nil { | ||
| onceSystem.Do(func() { | ||
| system = &systemService{} | ||
| go system.loopWindowEvent() | ||
| }) | ||
| } | ||
| return system | ||
| } | ||
|
|
||
| func (s *systemService) Start(ctx context.Context) { | ||
| s.ctx = ctx | ||
| } | ||
|
|
||
| // SelectFile open file dialog to select a file | ||
| func (s *systemService) SelectFile(title string) (resp types.JSResp) { | ||
| filepath, err := runtime.OpenFileDialog(s.ctx, runtime.OpenDialogOptions{ | ||
| Title: title, | ||
| ShowHiddenFiles: true, | ||
| }) | ||
| if err != nil { | ||
| log.Println(err) | ||
| resp.Msg = err.Error() | ||
| return | ||
| } | ||
| resp.Success = true | ||
| resp.Data = map[string]any{ | ||
| "path": filepath, | ||
| } | ||
| return | ||
| } | ||
|
|
||
| func (s *systemService) loopWindowEvent() { | ||
| var fullscreen, maximised, minimised, normal bool | ||
| var width, height int | ||
| var dirty bool | ||
| for { | ||
| time.Sleep(300 * time.Millisecond) | ||
| if s.ctx == nil { | ||
| continue | ||
| } | ||
|
|
||
| dirty = false | ||
| if f := runtime.WindowIsFullscreen(s.ctx); f != fullscreen { | ||
| // full-screen switched | ||
| fullscreen = f | ||
| dirty = true | ||
| } | ||
|
|
||
| if w, h := runtime.WindowGetSize(s.ctx); w != width || h != height { | ||
| // window size changed | ||
| width, height = w, h | ||
| dirty = true | ||
| } | ||
|
|
||
| if m := runtime.WindowIsMaximised(s.ctx); m != maximised { | ||
| maximised = m | ||
| dirty = true | ||
| } | ||
|
|
||
| if m := runtime.WindowIsMinimised(s.ctx); m != minimised { | ||
| minimised = m | ||
| dirty = true | ||
| } | ||
|
|
||
| if n := runtime.WindowIsNormal(s.ctx); n != normal { | ||
| normal = n | ||
| dirty = true | ||
| } | ||
|
|
||
| if dirty { | ||
| runtime.EventsEmit(s.ctx, "window_changed", map[string]any{ | ||
| "fullscreen": fullscreen, | ||
| "width": width, | ||
| "height": height, | ||
| "maximised": maximised, | ||
| "minimised": minimised, | ||
| "normal": normal, | ||
| }) | ||
|
|
||
| if !fullscreen && !minimised { | ||
| // save window size | ||
| Preferences().SaveWindowSize(width, height) | ||
| } | ||
| } | ||
| } | ||
| } |
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