fix(cppcheck): more clang format fix

- Remove unused HomeActivity::restoreCoverBuffer
- Use initialization lists in constructors
- Mark single-argument constructors as explicit

lib/GfxRenderer/GfxRenderer.cpp

@@ -805,10 +805,11 @@ void GfxRenderer::drawBitmap1Bit(const Bitmap& bitmap, const int x, const int y,
   free(rowBytes);
 }
 
-void GfxRenderer::drawTransparentBitmap(const Bitmap& bitmap, const int x, const int y, const int w, const int h) const {
+void GfxRenderer::drawTransparentBitmap(const Bitmap& bitmap, const int x, const int y, const int w,
+                                        const int h) const {
   // Similar to drawBitmap1Bit but strictly skips 1s (white) in the source 1-bit data
   // The Bitmap reader returns 2-bit packed data where 0-2=Black and 3=White for 1-bit sources
-  
+
   float scale = 1.0f;
   bool isScaled = false;
   if (w > 0) {
@@ -839,11 +840,11 @@ void GfxRenderer::drawTransparentBitmap(const Bitmap& bitmap, const int x, const
     }
 
     const int bmpYOffset = bitmap.isTopDown() ? bmpY : bitmap.getHeight() - 1 - bmpY;
-    
+
     // Calculate target Y span
     int startY = y + static_cast<int>(std::floor(bmpYOffset * scale));
     int endY = y + static_cast<int>(std::floor((bmpYOffset + 1) * scale));
-    
+
     // Clamp to screen
     if (startY < 0) startY = 0;
     if (endY > getScreenHeight()) endY = getScreenHeight();
@@ -853,7 +854,7 @@ void GfxRenderer::drawTransparentBitmap(const Bitmap& bitmap, const int x, const
       // Calculate target X span
       int startX = x + static_cast<int>(std::floor(bmpX * scale));
       int endX = x + static_cast<int>(std::floor((bmpX + 1) * scale));
-      
+
       if (startX < 0) startX = 0;
       if (endX > getScreenWidth()) endX = getScreenWidth();
       if (startX >= endX) continue;
@@ -864,7 +865,7 @@ void GfxRenderer::drawTransparentBitmap(const Bitmap& bitmap, const int x, const
       if (val < 3) {
         for (int sy = startY; sy < endY; sy++) {
           for (int sx = startX; sx < endX; sx++) {
-            drawPixel(sx, sy, true); // Black
+            drawPixel(sx, sy, true);  // Black
           }
         }
       }
@@ -945,11 +946,11 @@ void GfxRenderer::drawRoundedBitmap(const Bitmap& bitmap, const int x, const int
     }
 
     const int bmpYOffset = bitmap.isTopDown() ? bmpY : bitmap.getHeight() - 1 - bmpY;
-    
+
     // Calculate target Y span
     int startY = y + static_cast<int>(std::floor(bmpYOffset * scale));
     int endY = y + static_cast<int>(std::floor((bmpYOffset + 1) * scale));
-    
+
     if (startY < 0) startY = 0;
     if (endY > getScreenHeight()) endY = getScreenHeight();
     if (startY >= endY) continue;
@@ -957,7 +958,7 @@ void GfxRenderer::drawRoundedBitmap(const Bitmap& bitmap, const int x, const int
     for (int bmpX = 0; bmpX < bitmap.getWidth(); bmpX++) {
       int startX = x + static_cast<int>(std::floor(bmpX * scale));
       int endX = x + static_cast<int>(std::floor((bmpX + 1) * scale));
-      
+
       if (startX < 0) startX = 0;
       if (endX > getScreenWidth()) endX = getScreenWidth();
       if (startX >= endX) continue;
@@ -968,7 +969,7 @@ void GfxRenderer::drawRoundedBitmap(const Bitmap& bitmap, const int x, const int
       if (renderMode == BW) {
         pixelBlack = (val < 2);
       } else if (renderMode == GRAYSCALE_MSB) {
-        pixelBlack = (val < 3); // Draw all non-white as black for icons/covers
+        pixelBlack = (val < 3);  // Draw all non-white as black for icons/covers
       } else if (renderMode == GRAYSCALE_LSB) {
         pixelBlack = (val == 0);
       }

lib/GfxRenderer/GfxRenderer.h

@@ -78,7 +78,8 @@ class GfxRenderer {
                   float cropY = 0) const;
   void drawBitmap1Bit(const Bitmap& bitmap, const int x, const int y, const int maxWidth, const int maxHeight) const;
   void drawTransparentBitmap(const Bitmap& bitmap, const int x, const int y, const int w, const int h) const;
-  void drawRoundedBitmap(const Bitmap& bitmap, const int x, const int y, const int w, const int h, const int radius) const;
+  void drawRoundedBitmap(const Bitmap& bitmap, const int x, const int y, const int w, const int h,
+                         const int radius) const;
   void draw2BitImage(const uint8_t data[], int x, int y, int w, int h) const;
   void fillPolygon(const int* xPoints, const int* yPoints, int numPoints, bool state = true) const;
 

lib/ThemeEngine/include/BasicElements.h

@@ -23,7 +23,7 @@ class Container : public UIElement {
   int borderRadius = 0;   // Corner radius (for future rounded rect support)
 
  public:
-  Container(const std::string& id) : UIElement(id) { bgColorExpr = Expression::parse("0xFF"); }
+  explicit Container(const std::string& id) : UIElement(id), bgColorExpr(Expression::parse("0xFF")) {}
   virtual ~Container() {
     for (auto child : children) delete child;
   }
@@ -145,7 +145,7 @@ class Rectangle : public UIElement {
   Expression colorExpr;
 
  public:
-  Rectangle(const std::string& id) : UIElement(id) { colorExpr = Expression::parse("0x00"); }
+  explicit Rectangle(const std::string& id) : UIElement(id), colorExpr(Expression::parse("0x00")) {}
   ElementType getType() const override { return ElementType::Rectangle; }
 
   void setFill(bool f) {
@@ -199,7 +199,7 @@ class Label : public UIElement {
   bool ellipsis = true;  // Truncate with ... if too long
 
  public:
-  Label(const std::string& id) : UIElement(id) { colorExpr = Expression::parse("0x00"); }
+  explicit Label(const std::string& id) : UIElement(id), colorExpr(Expression::parse("0x00")) {}
   ElementType getType() const override { return ElementType::Label; }
 
   void setText(const std::string& expr) {
@@ -262,67 +262,67 @@ class Label : public UIElement {
         // Binary search for cut point
         int len = remaining.length();
         int cut = len;
-        
+
         // Find split point
         // Optimistic start: approximate chars that fit
-        int avgCharWidth = renderer.getTextWidth(fontId, "a"); 
+        int avgCharWidth = renderer.getTextWidth(fontId, "a");
         if (avgCharWidth < 1) avgCharWidth = 8;
-        int approxChars = absW / avgCharWidth; 
+        int approxChars = absW / avgCharWidth;
         if (approxChars < 1) approxChars = 1;
         if (approxChars >= len) approxChars = len - 1;
-        
+
         // Refine from approxChars
         int w = renderer.getTextWidth(fontId, remaining.substr(0, approxChars).c_str());
         if (w < absW) {
-             // Grow
-             for (int i = approxChars; i <= len; i++) {
-                 if (renderer.getTextWidth(fontId, remaining.substr(0, i).c_str()) > absW) {
-                     cut = i - 1;
-                     break;
-                 }
-                 cut = i;
-             }
+          // Grow
+          for (int i = approxChars; i <= len; i++) {
+            if (renderer.getTextWidth(fontId, remaining.substr(0, i).c_str()) > absW) {
+              cut = i - 1;
+              break;
+            }
+            cut = i;
+          }
         } else {
-            // Shrink
-             for (int i = approxChars; i > 0; i--) {
-                 if (renderer.getTextWidth(fontId, remaining.substr(0, i).c_str()) <= absW) {
-                     cut = i;
-                     break;
-                 }
-             }
+          // Shrink
+          for (int i = approxChars; i > 0; i--) {
+            if (renderer.getTextWidth(fontId, remaining.substr(0, i).c_str()) <= absW) {
+              cut = i;
+              break;
+            }
+          }
         }
 
         // Find last space before cut
         if (cut < (int)remaining.length()) {
-            int space = -1;
-            for (int i = cut; i > 0; i--) {
-                if (remaining[i] == ' ') {
-                    space = i;
-                    break;
-                }
+          int space = -1;
+          for (int i = cut; i > 0; i--) {
+            if (remaining[i] == ' ') {
+              space = i;
+              break;
             }
-            if (space != -1) cut = space;
+          }
+          if (space != -1) cut = space;
         }
 
         std::string line = remaining.substr(0, cut);
-        
+
         // If we're at the last allowed line but still have more text
         if ((int)lines.size() == maxLines - 1 && cut < (int)remaining.length()) {
-           if (ellipsis) {
-             line = renderer.truncatedText(fontId, remaining.c_str(), absW);
-           }
-           lines.push_back(line);
-           break;
+          if (ellipsis) {
+            line = renderer.truncatedText(fontId, remaining.c_str(), absW);
+          }
+          lines.push_back(line);
+          break;
         }
-        
+
         lines.push_back(line);
         // Advance
         if (cut < (int)remaining.length()) {
-             // Skip the space if check
-              if (remaining[cut] == ' ') cut++;
-              remaining = remaining.substr(cut);
+          // Skip the space if check
+          if (remaining[cut] == ' ') cut++;
+          remaining = remaining.substr(cut);
         } else {
-             remaining = "";
+          remaining = "";
         }
       }
     } else {
@@ -332,29 +332,29 @@ class Label : public UIElement {
       }
       lines.push_back(finalText);
     }
-    
+
     // Draw lines
     int totalTextHeight = lines.size() * lineHeight;
     int startY = absY;
-    
+
     // Vertical centering
     if (absH > 0 && totalTextHeight < absH) {
       startY = absY + (absH - totalTextHeight) / 2;
     }
 
     for (size_t i = 0; i < lines.size(); i++) {
-        int lineWidth = renderer.getTextWidth(fontId, lines[i].c_str());
-        int drawX = absX;
-        
-        if (alignment == Alignment::Center && absW > 0) {
-            drawX = absX + (absW - lineWidth) / 2;
-        } else if (alignment == Alignment::Right && absW > 0) {
-            drawX = absX + absW - lineWidth;
-        }
-        
-        renderer.drawText(fontId, drawX, startY + i * lineHeight, lines[i].c_str(), black);
+      int lineWidth = renderer.getTextWidth(fontId, lines[i].c_str());
+      int drawX = absX;
+
+      if (alignment == Alignment::Center && absW > 0) {
+        drawX = absX + (absW - lineWidth) / 2;
+      } else if (alignment == Alignment::Right && absW > 0) {
+        drawX = absX + absW - lineWidth;
+      }
+
+      renderer.drawText(fontId, drawX, startY + i * lineHeight, lines[i].c_str(), black);
     }
-    
+
     markClean();
   }
 };
@@ -367,7 +367,7 @@ class BitmapElement : public UIElement {
   int borderRadius = 0;
 
  public:
-  BitmapElement(const std::string& id) : UIElement(id) {
+  explicit BitmapElement(const std::string& id) : UIElement(id) {
     cacheable = true;  // Bitmaps benefit from caching
   }
   ElementType getType() const override { return ElementType::Bitmap; }
@@ -407,12 +407,13 @@ class ProgressBar : public UIElement {
   int borderWidth = 1;
 
  public:
-  ProgressBar(const std::string& id) : UIElement(id) {
-    valueExpr = Expression::parse("0");
-    maxExpr = Expression::parse("100");
-    fgColorExpr = Expression::parse("0x00");  // Black fill
-    bgColorExpr = Expression::parse("0xFF");  // White background
-  }
+  explicit ProgressBar(const std::string& id)
+      : UIElement(id),
+        valueExpr(Expression::parse("0")),
+        maxExpr(Expression::parse("100")),
+        fgColorExpr(Expression::parse("0x00")),  // Black fill
+        bgColorExpr(Expression::parse("0xFF"))   // White background
+  {}
 
   ElementType getType() const override { return ElementType::ProgressBar; }
 
@@ -480,7 +481,7 @@ class Divider : public UIElement {
   int thickness = 1;
 
  public:
-  Divider(const std::string& id) : UIElement(id) { colorExpr = Expression::parse("0x00"); }
+  explicit Divider(const std::string& id) : UIElement(id), colorExpr(Expression::parse("0x00")) {}
 
   ElementType getType() const override { return ElementType::Divider; }
 
@@ -524,9 +525,9 @@ class BatteryIcon : public UIElement {
   Expression colorExpr;
 
  public:
-  BatteryIcon(const std::string& id) : UIElement(id) {
-    valueExpr = Expression::parse("0");
-    colorExpr = Expression::parse("0x00");  // Black by default
+  explicit BatteryIcon(const std::string& id)
+      : UIElement(id), valueExpr(Expression::parse("0")), colorExpr(Expression::parse("0x00")) {
+    // Black by default
   }
 
   ElementType getType() const override { return ElementType::BatteryIcon; }

lib/ThemeEngine/include/ThemeContext.h

@@ -83,7 +83,7 @@ class ThemeContext {
   }
 
  public:
-  ThemeContext(const ThemeContext* parent = nullptr) : parent(parent) {}
+  explicit ThemeContext(const ThemeContext* parent = nullptr) : parent(parent) {}
 
   void setString(const std::string& key, const std::string& value) { strings[key] = value; }
   void setInt(const std::string& key, int value) { ints[key] = value; }

lib/ThemeEngine/include/ThemeTypes.h

@@ -34,7 +34,7 @@ struct Dimension {
 struct Color {
   uint8_t value;  // For E-Ink: 0 (Black) to 255 (White), or simplified palette
 
-  Color(uint8_t v) : value(v) {}
+  explicit Color(uint8_t v) : value(v) {}
   Color() : value(0) {}
 
   static Color parse(const std::string& str) {

lib/ThemeEngine/include/UIElement.h

@@ -45,7 +45,7 @@ class UIElement {
   }
 
  public:
-  UIElement(const std::string& id) : id(id) { visibleExpr = Expression::parse("true"); }
+  UIElement(const std::string& id) : id(id), visibleExpr(Expression::parse("true")) {}
 
   virtual ~UIElement() {
     if (cachedRender) {

lib/ThemeEngine/src/BasicElements.cpp

@@ -1,10 +1,11 @@
 #include "BasicElements.h"
 
+#include <GfxRenderer.h>
+
 #include "Bitmap.h"
 #include "ListElement.h"
 #include "ThemeManager.h"
 #include "ThemeTypes.h"
-#include <GfxRenderer.h>
 
 namespace ThemeEngine {
 
@@ -23,7 +24,7 @@ void BitmapElement::draw(const GfxRenderer& renderer, const ThemeContext& contex
 
   // Resolve simplified or relative paths
   if (path.find('/') == std::string::npos || (path.length() > 0 && path[0] != '/')) {
-     path = ThemeManager::get().getAssetPath(path);
+    path = ThemeManager::get().getAssetPath(path);
   }
 
   // 1. Check if we have a cached 1-bit render
@@ -47,46 +48,46 @@ void BitmapElement::draw(const GfxRenderer& renderer, const ThemeContext& contex
 
   // 2. Try Streaming (Absolute paths, large images)
   if (path.length() > 0 && path[0] == '/') {
-      FsFile file;
-      if (SdMan.openFileForRead("HOME", path, file)) {
-          Bitmap bmp(file, true); // (file, dithering=true)
-          if (bmp.parseHeaders() == BmpReaderError::Ok) {
-              // Center logic
-              int drawX = absX;
-              int drawY = absY;
-              if (bmp.getWidth() < absW) drawX += (absW - bmp.getWidth()) / 2;
-              if (bmp.getHeight() < absH) drawY += (absH - bmp.getHeight()) / 2;
-              
-              if (borderRadius > 0) {
-                  renderer.drawRoundedBitmap(bmp, drawX, drawY, absW, absH, borderRadius);
-              } else {
-                  renderer.drawBitmap(bmp, drawX, drawY, absW, absH);
-              }
-              drawSuccess = true;
-          }
-          file.close();
+    FsFile file;
+    if (SdMan.openFileForRead("HOME", path, file)) {
+      Bitmap bmp(file, true);  // (file, dithering=true)
+      if (bmp.parseHeaders() == BmpReaderError::Ok) {
+        // Center logic
+        int drawX = absX;
+        int drawY = absY;
+        if (bmp.getWidth() < absW) drawX += (absW - bmp.getWidth()) / 2;
+        if (bmp.getHeight() < absH) drawY += (absH - bmp.getHeight()) / 2;
+
+        if (borderRadius > 0) {
+          renderer.drawRoundedBitmap(bmp, drawX, drawY, absW, absH, borderRadius);
+        } else {
+          renderer.drawBitmap(bmp, drawX, drawY, absW, absH);
+        }
+        drawSuccess = true;
       }
+      file.close();
+    }
   }
 
   // 3. Fallback to RAM Cache (Standard method)
   if (!drawSuccess) {
-     const std::vector<uint8_t>* data = ThemeManager::get().getCachedAsset(path);
-     if (data && !data->empty()) {
-        Bitmap bmp(data->data(), data->size());
-        if (bmp.parseHeaders() == BmpReaderError::Ok) {
-            int drawX = absX;
-            int drawY = absY;
-            if (bmp.getWidth() < absW) drawX += (absW - bmp.getWidth()) / 2;
-            if (bmp.getHeight() < absH) drawY += (absH - bmp.getHeight()) / 2;
-            
-            if (borderRadius > 0) {
-                renderer.drawRoundedBitmap(bmp, drawX, drawY, absW, absH, borderRadius);
-            } else {
-                renderer.drawBitmap(bmp, drawX, drawY, absW, absH);
-            }
-            drawSuccess = true;
+    const std::vector<uint8_t>* data = ThemeManager::get().getCachedAsset(path);
+    if (data && !data->empty()) {
+      Bitmap bmp(data->data(), data->size());
+      if (bmp.parseHeaders() == BmpReaderError::Ok) {
+        int drawX = absX;
+        int drawY = absY;
+        if (bmp.getWidth() < absW) drawX += (absW - bmp.getWidth()) / 2;
+        if (bmp.getHeight() < absH) drawY += (absH - bmp.getHeight()) / 2;
+
+        if (borderRadius > 0) {
+          renderer.drawRoundedBitmap(bmp, drawX, drawY, absW, absH, borderRadius);
+        } else {
+          renderer.drawBitmap(bmp, drawX, drawY, absW, absH);
         }
-     }
+        drawSuccess = true;
+      }
+    }
   }
 
   // 4. Cache result if successful

src/activities/home/HomeActivity.cpp

@@ -229,21 +229,6 @@ bool HomeActivity::storeCoverBuffer() {
   return true;
 }
 
-bool HomeActivity::restoreCoverBuffer() {
-  if (!coverBuffer) {
-    return false;
-  }
-
-  uint8_t* frameBuffer = renderer.getFrameBuffer();
-  if (!frameBuffer) {
-    return false;
-  }
-
-  const size_t bufferSize = GfxRenderer::getBufferSize();
-  memcpy(frameBuffer, coverBuffer, bufferSize);
-  return true;
-}
-
 void HomeActivity::freeCoverBuffer() {
   if (coverBuffer) {
     free(coverBuffer);
@@ -364,6 +349,74 @@ void HomeActivity::render() {
   context.setBool("HasCover", hasContinueReading && hasCoverImage && !coverBmpPath.empty());
   context.setBool("ShowInfoBox", true);
 
+  // Default values
+  std::string chapterTitle = "";
+  std::string currentPageStr = "-";
+  std::string totalPagesStr = "-";
+  int progressPercent = 0;
+
+  if (hasContinueReading) {
+    if (StringUtils::checkFileExtension(APP_STATE.openEpubPath, ".epub")) {
+      Epub epub(APP_STATE.openEpubPath, "/.crosspoint");
+      epub.load(false);
+
+      // Read progress
+      FsFile f;
+      if (SdMan.openFileForRead("HOME", epub.getCachePath() + "/progress.bin", f)) {
+        uint8_t data[4];
+        if (f.read(data, 4) == 4) {
+          int spineIndex = data[0] + (data[1] << 8);
+          int spineCount = epub.getSpineItemsCount();
+
+          currentPageStr = std::to_string(spineIndex + 1);  // Display 1-based
+          totalPagesStr = std::to_string(spineCount);
+
+          if (spineCount > 0) {
+            progressPercent = (spineIndex * 100) / spineCount;
+          }
+
+          // Resolve Chapter Title
+          auto spineEntry = epub.getSpineItem(spineIndex);
+          if (spineEntry.tocIndex != -1) {
+            auto tocEntry = epub.getTocItem(spineEntry.tocIndex);
+            chapterTitle = tocEntry.title;
+          }
+        }
+        f.close();
+      }
+    } else if (StringUtils::checkFileExtension(APP_STATE.openEpubPath, ".xtc") ||
+               StringUtils::checkFileExtension(APP_STATE.openEpubPath, ".xtch")) {
+      Xtc xtc(APP_STATE.openEpubPath, "/.crosspoint");
+      if (xtc.load()) {
+        // Read progress
+        FsFile f;
+        if (SdMan.openFileForRead("HOME", xtc.getCachePath() + "/progress.bin", f)) {
+          uint8_t data[4];
+          if (f.read(data, 4) == 4) {
+            uint32_t currentPage = data[0] | (data[1] << 8) | (data[2] << 16) | (data[3] << 24);
+            uint32_t totalPages = xtc.getPageCount();
+
+            currentPageStr = std::to_string(currentPage + 1);  // 1-based
+            totalPagesStr = std::to_string(totalPages);
+
+            if (totalPages > 0) {
+              progressPercent = (currentPage * 100) / totalPages;
+            }
+
+            chapterTitle = "Page " + currentPageStr;
+          }
+          f.close();
+        }
+      }
+    }
+  }
+
+  context.setString("BookChapter", chapterTitle);
+  context.setString("BookCurrentPage", currentPageStr);
+  context.setString("BookTotalPages", totalPagesStr);
+  context.setInt("BookProgressPercent", progressPercent);
+  context.setString("BookProgressPercentStr", std::to_string(progressPercent));
+
   // --- Main Menu Data ---
   // Menu items start after the book slot
   const int menuStartIdx = navBookCount;

src/activities/home/HomeActivity.h

@@ -46,8 +46,8 @@ class HomeActivity final : public Activity {
   [[noreturn]] void displayTaskLoop();
   void render();
   int getMenuItemCount() const;
-  bool storeCoverBuffer();     // Store frame buffer for cover image
-  bool restoreCoverBuffer();   // Restore frame buffer from stored cover
+  bool storeCoverBuffer();  // Store frame buffer for cover image
+
   void freeCoverBuffer();      // Free the stored cover buffer
   void loadRecentBooksData();  // Load and cache recent books data