Texture releasing

CSS.go

@@ -55,11 +55,7 @@ func ParseCSSStyleSheet(data []byte) error {
 
 		for styleVarName, styleVarValue := range style {
 			// convert style variable name to giu style variable name
-			var styleVarID StyleVarID
-
-			err := panicToErr(func() {
-				styleVarID = StyleVarIDFromString(styleVarName)
-			})
+			styleVarID, err := StyleVarIDString(styleVarName)
 
 			if err == nil {
 				// the style is StyleVarID - set it
@@ -94,11 +90,7 @@ func ParseCSSStyleSheet(data []byte) error {
 				continue
 			}
 
-			var styleColorID StyleColorID
-
-			err = panicToErr(func() {
-				styleColorID = StyleColorIDFromString(styleVarName)
-			})
+			styleColorID, err := StyleColorIDString(styleVarName)
 			if err != nil {
 				return ErrCSSParse{What: "style variable ID", Value: styleVarName}
 			}
@@ -117,19 +109,6 @@ func ParseCSSStyleSheet(data []byte) error {
 	return nil
 }
 
-func panicToErr(f func()) (err error) {
-	defer func() {
-		if r := recover(); r != nil {
-			//nolint:goerr113 // Not worth wrapping
-			err = fmt.Errorf("%v", r)
-		}
-	}()
-
-	f()
-
-	return err
-}
-
 // cssStylesheet is a map tag:StyleSetter.
 type cssStylesheet map[string]*StyleSetter
 

Context.go

@@ -67,6 +67,7 @@ type GIUContext struct {
 	FontAtlas    *FontAtlas
 
 	textureLoadingQueue *queue.Queue
+	textureFreeingQueue *queue.Queue
 
 	cssStylesheet cssStylesheet
 
@@ -80,6 +81,7 @@ func CreateContext(b backend.Backend[glfwbackend.GLFWWindowFlags]) *GIUContext {
 		backend:             b,
 		FontAtlas:           newFontAtlas(),
 		textureLoadingQueue: queue.New(),
+		textureFreeingQueue: queue.New(),
 		m:                   &sync.Mutex{},
 		widgetIndex:         make(map[string]int),
 	}

MasterWindow.go

@@ -183,7 +183,7 @@ func (w *MasterWindow) setTheme() (fin func()) {
 	imgui.PushStyleColorVec4(imgui.ColPlotHistogramHovered, imgui.Vec4{X: 1.00, Y: 0.60, Z: 0.00, W: 1.00})
 	imgui.PushStyleColorVec4(imgui.ColTextSelectedBg, imgui.Vec4{X: 0.26, Y: 0.59, Z: 0.98, W: 0.35})
 	imgui.PushStyleColorVec4(imgui.ColDragDropTarget, imgui.Vec4{X: 1.00, Y: 1.00, Z: 0.00, W: 0.90})
-	imgui.PushStyleColorVec4(imgui.ColNavHighlight, imgui.Vec4{X: 0.26, Y: 0.59, Z: 0.98, W: 1.00})
+	imgui.PushStyleColorVec4(imgui.ColNavWindowingHighlight, imgui.Vec4{X: 0.26, Y: 0.59, Z: 0.98, W: 1.00})
 	imgui.PushStyleColorVec4(imgui.ColNavWindowingHighlight, imgui.Vec4{X: 1.00, Y: 1.00, Z: 1.00, W: 0.70})
 	imgui.PushStyleColorVec4(imgui.ColTableHeaderBg, imgui.Vec4{X: 0.12, Y: 0.20, Z: 0.28, W: 1.00})
 	imgui.PushStyleColorVec4(imgui.ColTableBorderStrong, imgui.Vec4{X: 0.20, Y: 0.25, Z: 0.29, W: 1.00})
@@ -210,6 +210,15 @@ func (w *MasterWindow) beforeRender() {
 			NewTextureFromRgba(request.img, request.cb)
 		}
 	}
+
+	// process texture free requests
+	if Context.textureFreeingQueue != nil && Context.textureFreeingQueue.Length() > 0 {
+		for Context.textureFreeingQueue.Length() > 0 {
+			request, ok := Context.textureFreeingQueue.Remove().(textureFreeRequest)
+			Assert(ok, "MasterWindow", "Run", "processing texture requests: wrong type of texture request")
+			request.tex.tex.Release()
+		}
+	}
 }
 
 func (w *MasterWindow) afterRender() {