[reader] Make improve coding style and added empty view message

apps/home/apps_layout.csv

@@ -1,2 +1,2 @@
-Default,calculation,rpn,graph,code,statistics,probability,solver,atomic,sequence,regression,settings
-HidePython,calculation,rpn,graph,code,statistics,probability,solver,atomic,sequence,regression,settings
+Default,calculation,rpn,graph,code,statistics,probability,solver,atomic,sequence,regression,reader,settings
+HidePython,calculation,rpn,graph,code,statistics,probability,solver,atomic,sequence,regression,reader,settings

apps/reader/Makefile

@@ -1,4 +1,4 @@
-apps += reader::App
+apps += Reader::App
 app_headers += apps/reader/app.h
 
 app_sreader_src = $(addprefix apps/reader/,\

apps/reader/app.cpp

@@ -4,7 +4,7 @@
 #include "apps/i18n.h"
 
 
-namespace reader {
+namespace Reader {
 
 I18n::Message App::Descriptor::name() {
   return I18n::Message::ReaderApp;
@@ -32,7 +32,8 @@ App::Descriptor * App::Snapshot::descriptor() {
 App::App(Snapshot * snapshot) :
   ::App(snapshot, &m_stackViewController),
   m_listBookController(&m_stackViewController),
-  m_stackViewController(nullptr, &m_listBookController)
+  m_alternateEmptyViewController(&m_stackViewController, &m_listBookController, &m_listBookController),
+  m_stackViewController(&m_modalViewController, &m_alternateEmptyViewController)
 {
 }
 

apps/reader/app.h

@@ -4,7 +4,7 @@
 #include <escher.h>
 #include "list_book_controller.h"
 
-namespace reader {
+namespace Reader {
 
 class App : public ::App {
 public:
@@ -22,6 +22,7 @@ public:
 private:
   App(Snapshot * snapshot);
   ListBookController m_listBookController;
+  AlternateEmptyViewController m_alternateEmptyViewController;
   StackViewController m_stackViewController;
 };
 

apps/reader/base.de.i18n

@@ -1,3 +1,3 @@
-ReaderApp = "Reader"
-ReaderAppCapital = "READER"
-NoFileToDisplay = "Keine Dateien zum Anzeigen!"
+ReaderApp = "Leser"
+ReaderAppCapital = "LESER"
+NoFileToDisplay = "Keine Dateien zum Anzeigen"

apps/reader/base.en.i18n

@@ -1,3 +1,3 @@
 ReaderApp = "Reader"
 ReaderAppCapital = "READER"
-NoFileToDisplay = "No file to display!"
+NoFileToDisplay = "No file to display"

apps/reader/base.es.i18n

@@ -1,3 +1,3 @@
-ReaderApp = "Reader"
-ReaderAppCapital = "READER"
-NoFileToDisplay ="No hay archivos para mostrar!"
+ReaderApp = "Lector"
+ReaderAppCapital = "LECTOR"
+NoFileToDisplay ="No hay archivos para mostrar"

apps/reader/base.fr.i18n

@@ -1,3 +1,3 @@
-ReaderApp = "Reader"
-ReaderAppCapital = "READER"
-NoFileToDisplay = "Aucun fichier à afficher!"
+ReaderApp = "Liseuse"
+ReaderAppCapital = "LISEUSE"
+NoFileToDisplay = "Aucun fichier à afficher"

apps/reader/base.hu.i18n

@@ -1,3 +1,3 @@
-ReaderApp = "Reader"
-ReaderAppCapital = "READER"
-NoFileToDisplay ="Nincs megjeleníthető fájl"
+ReaderApp = "Olvasó"
+ReaderAppCapital = "OLVASÓ"
+NoFileToDisplay = "Nincs megjeleníthető fájl"

apps/reader/base.it.i18n

@@ -1,3 +1,3 @@
-ReaderApp = "Reader"
-ReaderAppCapital = "READER"
-NoFileToDisplay ="essun file da visualizzare"
+ReaderApp = "Lettore"
+ReaderAppCapital = "LETTORE"
+NoFileToDisplay = "essun file da visualizzare"

apps/reader/base.nl.i18n

@@ -1,3 +1,3 @@
-ReaderApp = "Reader"
-ReaderAppCapital = "READER"
-NoFileToDisplay ="Geen bestanden om weer te geven"
+ReaderApp = "Lezer"
+ReaderAppCapital = "LEZER"
+NoFileToDisplay = "Geen bestanden om weer te geven"

apps/reader/base.pt.i18n

@@ -1,3 +1,3 @@
-ReaderApp = "Reader"
-ReaderAppCapital = "READER"
-NoFileToDisplay ="Nenhum arquivo para exibir"
+ReaderApp = "Leitor"
+ReaderAppCapital = "LEITOR"
+NoFileToDisplay = "Nenhum arquivo para exibir"

apps/reader/list_book_controller.cpp

@@ -1,102 +1,100 @@
 #include "list_book_controller.h"
 #include "utility.h"
+#include <escher/metric.h>
 #include "apps/i18n.h"
 
-namespace reader
+namespace Reader
 {
 
-View* ListBookController::view()
-{
-    return &m_tableView;
+View* ListBookController::view() {
+  return &m_tableView;
 }
 
 ListBookController::ListBookController(Responder * parentResponder):
-    ViewController(parentResponder),
-    m_tableView(this, this, this),
-    m_readBookController(this)
+  ViewController(parentResponder),
+  m_tableView(this, this, this),
+  m_readBookController(this)
 {
-    m_nbFiles = filesWithExtension(".txt", m_files, NB_FILES);
-    cleanRemovedBookRecord();
+  m_filesNumber = filesWithExtension(".txt", m_files, k_maxFilesNumber);
+  cleanRemovedBookRecord();
 }
 
-int ListBookController::numberOfRows() const
-{
-    return m_nbFiles;
+int ListBookController::numberOfRows() const {
+  return m_filesNumber;
 }
 
-KDCoordinate ListBookController::cellHeight()
-{
-    return 50;
+KDCoordinate ListBookController::cellHeight() {
+  return Metric::StoreRowHeight;
 }
 
-HighlightCell * ListBookController::reusableCell(int index)
-{
-    return &m_cells[index];
+HighlightCell * ListBookController::reusableCell(int index) {
+  return &m_cells[index];
 }
-    
-int ListBookController::reusableCellCount() const
-{
-    return NB_CELLS;
+  
+int ListBookController::reusableCellCount() const {
+  return k_cellsNumber;
 }
 
-void ListBookController::willDisplayCellForIndex(HighlightCell * cell, int index)
-{
-    MessageTableCell* myTextCell = static_cast<MessageTableCell*>(cell);    
-    MessageTextView* textView = static_cast<MessageTextView*>(myTextCell->labelView());
-    textView->setText(m_files[index].name);
-    myTextCell->setMessageFont(KDFont::LargeFont);
+void ListBookController::willDisplayCellForIndex(HighlightCell * cell, int index) {
+  MessageTableCell* myTextCell = static_cast<MessageTableCell*>(cell);  
+  MessageTextView* textView = static_cast<MessageTextView*>(myTextCell->labelView());
+  textView->setText(m_files[index].name);
+  myTextCell->setMessageFont(KDFont::LargeFont); //TODO set cell font at building ?
 }
 
-void ListBookController::didBecomeFirstResponder()
-{
-    if (selectedRow() < 0) {
-        selectCellAtLocation(0, 0);
-    }
-    Container::activeApp()->setFirstResponder(&m_tableView);
-    if(m_nbFiles == 0)
+void ListBookController::didBecomeFirstResponder() {
+  if (selectedRow() < 0) {
+    selectCellAtLocation(0, 0);
+  }
+  Container::activeApp()->setFirstResponder(&m_tableView);
+}
+
+bool ListBookController::handleEvent(Ion::Events::Event event) {
+  if (event == Ion::Events::OK || event == Ion::Events::EXE || event == Ion::Events::Right)
+  {
+    m_readBookController.setBook(m_files[selectedRow()]);
+    static_cast<StackViewController*>(parentResponder())->push(&m_readBookController);
+    Container::activeApp()->setFirstResponder(&m_readBookController);
+    return true;
+  }
+
+  return false;
+}
+
+
+bool ListBookController::hasBook(const char* filename) const {
+  for(int i=0;i<m_filesNumber;i++)
+  {
+    if(strcmp(m_files[i].name, filename) == 0)
     {
-        Container::activeApp()->displayWarning(I18n::Message::NoFileToDisplay);
+      return true;
     }
+  }
+  return false;
 }
 
-bool ListBookController::handleEvent(Ion::Events::Event event)
-{
-    if (event == Ion::Events::OK || event == Ion::Events::EXE || event == Ion::Events::Right)
-    {
-        
-        m_readBookController.setBook(m_files[selectedRow()]);
-        static_cast<StackViewController*>(parentResponder())->push(&m_readBookController);
-        Container::activeApp()->setFirstResponder(&m_readBookController);
-        return true;
-    }
-
-    return false;
-}
-
-
-bool ListBookController::hasBook(const char* filename) const
-{
-    for(int i=0;i<m_nbFiles;i++)
-    {
-        if(strcmp(m_files[i].name, filename) == 0)
-        {
-            return true;
-        }
-    }
-    return false;
-}
-
-void ListBookController::cleanRemovedBookRecord()
-{
+void ListBookController::cleanRemovedBookRecord() {
   int nb = Ion::Storage::sharedStorage()->numberOfRecordsWithExtension("txt");
   for(int i=0; i<nb; i++)
   {
-    Ion::Storage::Record r = Ion::Storage::sharedStorage()->recordWithExtensionAtIndex("txt", i);
-    if(!hasBook(r.fullName()))
-    {
-        r.destroy();
-    }
+  Ion::Storage::Record r = Ion::Storage::sharedStorage()->recordWithExtensionAtIndex("txt", i);
+  if(!hasBook(r.fullName()))
+  {
+    r.destroy();
+  }
   }
 }
 
+bool ListBookController::isEmpty() const {
+  return m_filesNumber == 0;
+}
+
+I18n::Message ListBookController::emptyMessage() {
+  return I18n::Message::NoFileToDisplay;
+}
+
+Responder * ListBookController::defaultController() {
+  return parentResponder();
+}
+
 }

apps/reader/list_book_controller.h

@@ -6,35 +6,35 @@
 
 #include "read_book_controller.h"
 
-namespace reader
+namespace Reader
 {
 
-class ListBookController : public ViewController, public SimpleListViewDataSource, public SelectableTableViewDataSource
+class ListBookController : public ViewController, public SimpleListViewDataSource, public SelectableTableViewDataSource, public AlternateEmptyViewDefaultDelegate
 {
 public:
-    ListBookController(Responder * parentResponder);
-    View* view() override;
+  ListBookController(Responder * parentResponder);
+  View* view() override;
 
-    int numberOfRows() const override;
-    KDCoordinate cellHeight() override;
-    HighlightCell * reusableCell(int index) override;
-    int reusableCellCount() const override;
-    void willDisplayCellForIndex(HighlightCell * cell, int index) override;
-    void didBecomeFirstResponder() override;
-    bool handleEvent(Ion::Events::Event event) override;
-    bool hasBook(const char* filename) const;
-    void cleanRemovedBookRecord();
+  int numberOfRows() const override;
+  KDCoordinate cellHeight() override;
+  HighlightCell * reusableCell(int index) override;
+  int reusableCellCount() const override;
+  void willDisplayCellForIndex(HighlightCell * cell, int index) override;
+  void didBecomeFirstResponder() override;
+  bool handleEvent(Ion::Events::Event event) override;
+  bool hasBook(const char* filename) const;
+  void cleanRemovedBookRecord();
+  bool isEmpty() const override;
+  I18n::Message emptyMessage() override;
+  Responder * defaultController() override;
 private:
-    SelectableTableView m_tableView;
-
-    static const int NB_FILES = 20;
-    External::Archive::File m_files[NB_FILES];
-    int m_nbFiles = 0;
-
-    static const int NB_CELLS = 6;
-    MessageTableCell m_cells[NB_CELLS];
-
-    ReadBookController m_readBookController;
+  SelectableTableView m_tableView;
+  static const int k_maxFilesNumber = 20;
+  External::Archive::File m_files[k_maxFilesNumber];
+  int m_filesNumber = 0;
+  static const int k_cellsNumber = 6;
+  MessageTableCellWithChevron m_cells[k_cellsNumber];
+  ReadBookController m_readBookController;
 };
 
 }

apps/reader/read_book_controller.cpp

@@ -1,6 +1,6 @@
 #include "read_book_controller.h"
 
-namespace reader 
+namespace Reader 
 {
 
 ReadBookController::ReadBookController(Responder * parentResponder) :
@@ -8,60 +8,49 @@ ReadBookController::ReadBookController(Responder * parentResponder) :
 {
 }
 
-View * ReadBookController::view() 
-{
+View * ReadBookController::view() {
   return &m_readerView;
 }
 
-void ReadBookController::setBook(const External::Archive::File& file)
-{
-    m_file = &file;
-    loadPosition();
-    m_readerView.setText(reinterpret_cast<const char*>(file.data), file.dataLength);
+void ReadBookController::setBook(const External::Archive::File& file) {
+  m_file = &file;
+  loadPosition();
+  m_readerView.setText(reinterpret_cast<const char*>(file.data), file.dataLength);
 }
 
-bool ReadBookController::handleEvent(Ion::Events::Event event) 
-{  
-    if(event == Ion::Events::Down)
-    {
-        m_readerView.nextPage();
-        return true;
-    }
-    if(event == Ion::Events::Up)
-    {
-        m_readerView.previousPage();
-        return true;
-    }
-    if(event == Ion::Events::Back || event == Ion::Events::Home)
-    {
-      savePosition();
-    }
-    return false;
+bool ReadBookController::handleEvent(Ion::Events::Event event) {  
+  if(event == Ion::Events::Down) {
+    m_readerView.nextPage();
+    return true;
+  }
+  if(event == Ion::Events::Up) {
+    m_readerView.previousPage();
+    return true;
+  }
+  if(event == Ion::Events::Back || event == Ion::Events::Home) {
+    savePosition();
+  }
+  return false;
 }
 
-void ReadBookController::savePosition() const
-{
+void ReadBookController::savePosition() const {
   int pageOffset = m_readerView.getPageOffset(); 
   Ion::Storage::Record::ErrorStatus status = Ion::Storage::sharedStorage()->createRecordWithFullName(m_file->name, &pageOffset, sizeof(pageOffset));
-  if(Ion::Storage::Record::ErrorStatus::NameTaken == status)
-  {
-      Ion::Storage::Record::Data data;
-      data.buffer = &pageOffset;
-      data.size = sizeof(pageOffset);
-      status = Ion::Storage::sharedStorage()->recordNamed(m_file->name).setValue(data);
+  if(Ion::Storage::Record::ErrorStatus::NameTaken == status) {
+    Ion::Storage::Record::Data data;
+    data.buffer = &pageOffset;
+    data.size = sizeof(pageOffset);
+    status = Ion::Storage::sharedStorage()->recordNamed(m_file->name).setValue(data);
   }
 }
 
-void ReadBookController::loadPosition()
-{
+void ReadBookController::loadPosition() {
   Ion::Storage::Record r = Ion::Storage::sharedStorage()->recordNamed(m_file->name);
-  if(Ion::Storage::sharedStorage()->hasRecord(r))
-  {
+  if(Ion::Storage::sharedStorage()->hasRecord(r)) {
     int pageOffset = *(static_cast<const int*>(r.value().buffer));
     m_readerView.setPageOffset(pageOffset);
   }
-  else
-  {
+  else {
     m_readerView.setPageOffset(0);
   }
 }

apps/reader/read_book_controller.h

@@ -5,7 +5,7 @@
 #include "apps/external/archive.h"
 #include "word_wrap_view.h"
 
-namespace reader {
+namespace Reader {
 
 class ReadBookController : public ViewController {
 public:

apps/reader/utility.cpp

@@ -8,109 +8,100 @@
 #include <sys/stat.h>
 #endif 
 
-namespace reader
+namespace Reader
 {
 
-bool stringEndsWith(const char* str, const char* pattern)
-{
-    int strLength = strlen(str);
-    int patternLength = strlen(pattern);
-    if (patternLength > strLength)
-        return false;
-
-    const char* strIter = str + strlen(str);
-    const char* patternIter = pattern + strlen(pattern);
-
-    while(*strIter == *patternIter)
-    {
-        if(patternIter == pattern)
-            return true;
-        strIter--;
-        patternIter--;
-    }
+bool stringEndsWith(const char* str, const char* pattern) {
+  int strLength = strlen(str);
+  int patternLength = strlen(pattern);
+  if (patternLength > strLength) {
     return false;
+  }
+
+  const char* strIter = str + strlen(str);
+  const char* patternIter = pattern + strlen(pattern);
+
+  while(*strIter == *patternIter)   {
+    if(patternIter == pattern) {
+      return true;
+    }
+    strIter--;
+    patternIter--;
+  }
+  return false;
 }
 
-void stringNCopy(char* dest, int max, const char* src, int len)
-{
-    while(len>0 && max >1 && *src)
-    {
-        *dest = *src;
-        dest++;
-        src++;
-        len--;
-        max--;
-    }
-    *dest=0;
+void stringNCopy(char* dest, int max, const char* src, int len) {
+  while(len>0 && max >1 && *src)
+  {
+    *dest = *src;
+    dest++;
+    src++;
+    len--;
+    max--;
+  }
+  *dest=0;
 }
 
 
 #ifdef DEVICE
 
-int filesWithExtension(const char* extension, External::Archive::File* files, int filesSize) 
-{
-    size_t nbTotalFiles = External::Archive::numberOfFiles();
-    int nbFiles = 0;
-    for(size_t i=0; i < nbTotalFiles; ++i)
+int filesWithExtension(const char* extension, External::Archive::File* files, int filesSize) {
+  size_t nbTotalFiles = External::Archive::numberOfFiles();
+  int nbFiles = 0;
+  for(size_t i=0; i < nbTotalFiles; ++i)
+  {
+    External::Archive::File file;
+    External::Archive::fileAtIndex(i, file);
+    if(stringEndsWith(file.name, ".txt"))
     {
-        External::Archive::File file;
-        External::Archive::fileAtIndex(i, file);
-        if(stringEndsWith(file.name, ".txt"))
-        {
-            files[nbFiles] = file;
-            nbFiles++;
-            if(nbFiles == filesSize)
-                break;
-        }
+      files[nbFiles] = file;
+      nbFiles++;
+      if(nbFiles == filesSize)
+        break;
     }
-    return nbFiles;
+  }
+  return nbFiles;
 }
 #else
 
-static void fillFileData(External::Archive::File& file)
-{    
-    file.data = nullptr;
-    file.dataLength = 0;   
+static void fillFileData(External::Archive::File& file) {  
+  file.data = nullptr;
+  file.dataLength = 0;   
 
-    struct stat info;
-    if (stat(file.name, &info) != 0) 
-    {
-        return;
-    }   
-    
-    unsigned char* content = new unsigned char[info.st_size];
-    if (content == NULL) 
-    {
-        return ;
-    }   
-    FILE *fp = fopen(file.name, "rb");
-    if (fp == NULL) 
-    {
-        return ;
-    }
-    
-    fread(content, info.st_size, 1, fp);        
-    fclose(fp);
-    file.data = content;
-    file.dataLength = info.st_size;            
+  struct stat info;
+  if (stat(file.name, &info) != 0) {
+    return;
+  }   
+  
+  unsigned char* content = new unsigned char[info.st_size];
+  if (content == NULL) {
+    return;
+  }   
+  FILE *fp = fopen(file.name, "rb");
+  if (fp == NULL) {
+    return ;
+  }
+  
+  fread(content, info.st_size, 1, fp);    
+  fclose(fp);
+  file.data = content;
+  file.dataLength = info.st_size;      
 }
 
-int filesWithExtension(const char* extension, External::Archive::File* files, int filesSize) 
-{
+int filesWithExtension(const char* extension, External::Archive::File* files, int filesSize) {
   dirent *file;
   DIR *d = opendir(".");
   int nb = 0;
-  if (d) 
-  {
-    while ((file = readdir(d)) != NULL) 
-    {
-      if(stringEndsWith(file->d_name, extension))
-      {
+  if (d) {
+    while ((file = readdir(d)) != NULL) {
+      if(stringEndsWith(file->d_name, extension)) {
         files[nb].name = strdup(file->d_name);//will probably leak
         fillFileData(files[nb]);
         nb++;
-        if(nb == filesSize)
-            break;
+        if(nb == filesSize) {
+          break;
+        }
       }
     }
     closedir(d);

apps/reader/utility.h

@@ -3,11 +3,11 @@
 
 #include <apps/external/archive.h>
 
-namespace reader
+namespace Reader
 {
 
 bool stringEndsWith(const char* str, const char* end);
-int filesWithExtension(const char* extension, External::Archive::File* files, int filesSize) ;
+int filesWithExtension(const char* extension, External::Archive::File* files, int filesSize);
 void stringNCopy(char* dest, int max, const char* src, int len);
 
 }

apps/reader/word_wrap_view.cpp

@@ -2,155 +2,138 @@
 
 #include "utility.h"
 
-namespace reader
+namespace Reader
 {
 
-void WordWrapTextView::nextPage()
-{
-    if(m_nextPageOffset >= m_length)
-        return;
-    m_pageOffset = m_nextPageOffset;
-    markRectAsDirty(bounds());
+void WordWrapTextView::nextPage() {
+  if(m_nextPageOffset >= m_length) {
+    return;
+  }
+  m_pageOffset = m_nextPageOffset;
+  markRectAsDirty(bounds());
 }
 
-void WordWrapTextView::setText(const char* text, int length)
-{
-    PointerTextView::setText(text);
-    m_length = length;
+void WordWrapTextView::setText(const char* text, int length) {
+  PointerTextView::setText(text);
+  m_length = length;
 }
 
-void WordWrapTextView::previousPage()
-{
-    if(m_pageOffset <= 0)
-        return;
+void WordWrapTextView::previousPage() {
+  if(m_pageOffset <= 0) {
+    return;
+  }
+  const int spaceWidth = m_font->stringSize(" ").width();
 
-    const int spaceWidth = m_font->stringSize(" ").width();
+  const char * endOfWord = text() + m_pageOffset;
+  const char * startOfWord = UTF8Helper::BeginningOfWord(text(), endOfWord);
+  
+  KDPoint textPosition(m_frame.width() - margin, m_frame.height() - margin);
 
-    const char * endOfWord = text() + m_pageOffset;
-    const char * startOfWord = UTF8Helper::BeginningOfWord(text(), endOfWord);
+  while(startOfWord>=text()) {
+    endOfWord = UTF8Helper::EndOfWord(startOfWord);
+    KDSize textSize = m_font->stringSizeUntil(startOfWord, endOfWord);
+    KDPoint previousTextPosition = KDPoint(textPosition.x()-textSize.width(), textPosition.y());
     
-    KDPoint textPosition(m_frame.width() - margin, m_frame.height() - margin);
+    if(previousTextPosition.x() < margin) {
+      textPosition = KDPoint(m_frame.width() - margin, textPosition.y() - textSize.height());
+      previousTextPosition = KDPoint(textPosition.x() - textSize.width(), textPosition.y());
+    }
+    if(textPosition.y() - textSize.height() < margin) {
+      break;
+    }
 
-    while(startOfWord>=text())
-    {
-        endOfWord = UTF8Helper::EndOfWord(startOfWord);
-        KDSize textSize = m_font->stringSizeUntil(startOfWord, endOfWord);
-        KDPoint previousTextPosition = KDPoint(textPosition.x()-textSize.width(), textPosition.y());
-        
-        if(previousTextPosition.x() < margin)
-        {
-            textPosition = KDPoint(m_frame.width() - margin, textPosition.y() - textSize.height());
-            previousTextPosition = KDPoint(textPosition.x() - textSize.width(), textPosition.y());
-        }
-        if(textPosition.y() - textSize.height() < margin)
-        {
-            break;
-        }
-
-        
-        --startOfWord;
-        while(startOfWord >= text() && *startOfWord == ' ')
-        {
-            previousTextPosition = KDPoint(previousTextPosition.x() - spaceWidth, previousTextPosition.y());
-            --startOfWord;
-        }
-        if(previousTextPosition.x() < margin)
-        {
-            previousTextPosition = KDPoint(m_frame.width() - margin, previousTextPosition.y() - textSize.height());
-        }
-        
     
-        while(startOfWord >= text() && *startOfWord == '\n')
-        {
-          previousTextPosition = KDPoint(m_frame.width() - margin, previousTextPosition.y() - textSize.height());
-          --startOfWord;
-        }    
-
-        if(previousTextPosition.y() - textSize.height() < margin)
-        {
-            break;
-        }
-
-        textPosition = previousTextPosition;
-        endOfWord = startOfWord;
-        startOfWord = UTF8Helper::BeginningOfWord(text(), endOfWord);
+    --startOfWord;
+    while(startOfWord >= text() && *startOfWord == ' ') {
+      previousTextPosition = KDPoint(previousTextPosition.x() - spaceWidth, previousTextPosition.y());
+      --startOfWord;
     }
-    if(startOfWord == text())
-        m_pageOffset = 0;
-    else
-        m_pageOffset = UTF8Helper::EndOfWord(startOfWord) - text() + 1;
-    markRectAsDirty(bounds());
-}
-
-void WordWrapTextView::drawRect(KDContext * ctx, KDRect rect) const
-{
-     ctx->fillRect(KDRect(0, 0, bounds().width(), bounds().height()), m_backgroundColor);
-
-    const char * endOfFile = text() + m_length;
-    const char * startOfWord = text() + m_pageOffset;
-    const char * endOfWord = UTF8Helper::EndOfWord(startOfWord);
-    KDPoint textPosition(margin, margin);
-
-    const int wordMaxLength = 128;
-    char word[wordMaxLength];
-
-    const int spaceWidth = m_font->stringSize(" ").width();
-
-    while(startOfWord < endOfFile)
-    {
-
-        KDSize textSize = m_font->stringSizeUntil(startOfWord, endOfWord);
-        KDPoint nextTextPosition = KDPoint(textPosition.x()+textSize.width(), textPosition.y());
-        
-        if(nextTextPosition.x() > m_frame.width() - margin)
-        {
-            textPosition = KDPoint(margin, textPosition.y() + textSize.height());
-            nextTextPosition = KDPoint(margin + textSize.width(), textPosition.y());
-        }
-        if(textPosition.y() + textSize.height() > m_frame.height() - margin)
-        {
-            break;
-        }
-
-        stringNCopy(word, wordMaxLength, startOfWord, endOfWord-startOfWord);
-        ctx->drawString(word, textPosition, m_font, m_textColor, m_backgroundColor);
-
-        while(*endOfWord == ' ')
-        {
-            nextTextPosition = KDPoint(nextTextPosition.x() + spaceWidth, nextTextPosition.y());
-            ++endOfWord;
-        }
-        if(nextTextPosition.x() > m_frame.width() - margin)
-        {
-            nextTextPosition = KDPoint(margin, nextTextPosition.y() + textSize.height());
-        }
-
-        while(*endOfWord == '\n')
-        {
-          nextTextPosition = KDPoint(margin, nextTextPosition.y() + textSize.height());
-          ++endOfWord;
-        }    
-
-        if(nextTextPosition.y() + textSize.height() > m_frame.height() - margin)
-        {
-            break;
-        }
-
-        textPosition = nextTextPosition;
-        startOfWord = endOfWord;
-        endOfWord = UTF8Helper::EndOfWord(startOfWord);
+    if(previousTextPosition.x() < margin) {
+      previousTextPosition = KDPoint(m_frame.width() - margin, previousTextPosition.y() - textSize.height());
     }
-    m_nextPageOffset = startOfWord - text();
+    
+  
+    while(startOfWord >= text() && *startOfWord == '\n') {
+      previousTextPosition = KDPoint(m_frame.width() - margin, previousTextPosition.y() - textSize.height());
+      --startOfWord;
+    }  
+
+    if(previousTextPosition.y() - textSize.height() < margin) {
+      break;
+    }
+
+    textPosition = previousTextPosition;
+    endOfWord = startOfWord;
+    startOfWord = UTF8Helper::BeginningOfWord(text(), endOfWord);
+  }
+  if(startOfWord == text()) {
+    m_pageOffset = 0;
+  }
+  else {
+    m_pageOffset = UTF8Helper::EndOfWord(startOfWord) - text() + 1;
+  }
+  markRectAsDirty(bounds());
 }
 
-int WordWrapTextView::getPageOffset() const
-{
-    return m_pageOffset;
+void WordWrapTextView::drawRect(KDContext * ctx, KDRect rect) const {
+  ctx->fillRect(KDRect(0, 0, bounds().width(), bounds().height()), m_backgroundColor);
+
+  const char * endOfFile = text() + m_length;
+  const char * startOfWord = text() + m_pageOffset;
+  const char * endOfWord = UTF8Helper::EndOfWord(startOfWord);
+  KDPoint textPosition(margin, margin);
+
+  const int wordMaxLength = 128;
+  char word[wordMaxLength];
+
+  const int spaceWidth = m_font->stringSize(" ").width();
+
+  while(startOfWord < endOfFile) {
+
+    KDSize textSize = m_font->stringSizeUntil(startOfWord, endOfWord);
+    KDPoint nextTextPosition = KDPoint(textPosition.x()+textSize.width(), textPosition.y());
+    
+    if(nextTextPosition.x() > m_frame.width() - margin) {
+      textPosition = KDPoint(margin, textPosition.y() + textSize.height());
+      nextTextPosition = KDPoint(margin + textSize.width(), textPosition.y());
+    }
+    if(textPosition.y() + textSize.height() > m_frame.height() - margin) {
+      break;
+    }
+
+    stringNCopy(word, wordMaxLength, startOfWord, endOfWord-startOfWord);
+    ctx->drawString(word, textPosition, m_font, m_textColor, m_backgroundColor);
+
+    while(*endOfWord == ' ') {
+      nextTextPosition = KDPoint(nextTextPosition.x() + spaceWidth, nextTextPosition.y());
+      ++endOfWord;
+    }
+    if(nextTextPosition.x() > m_frame.width() - margin) {
+      nextTextPosition = KDPoint(margin, nextTextPosition.y() + textSize.height());
+    }
+
+    while(*endOfWord == '\n') {
+      nextTextPosition = KDPoint(margin, nextTextPosition.y() + textSize.height());
+      ++endOfWord;
+    }  
+
+    if(nextTextPosition.y() + textSize.height() > m_frame.height() - margin) {
+      break;
+    }
+
+    textPosition = nextTextPosition;
+    startOfWord = endOfWord;
+    endOfWord = UTF8Helper::EndOfWord(startOfWord);
+  }
+  m_nextPageOffset = startOfWord - text();
 }
 
-void WordWrapTextView::setPageOffset(int o)
-{
-    m_pageOffset = o;
+int WordWrapTextView::getPageOffset() const {
+  return m_pageOffset;
+}
+
+void WordWrapTextView::setPageOffset(int o) {
+  m_pageOffset = o;
 }
 
 }

apps/reader/word_wrap_view.h

@@ -3,23 +3,23 @@
 
 #include <escher.h>
 
-namespace reader
+namespace Reader
 {
 
 class WordWrapTextView : public PointerTextView {
 public:
-    void drawRect(KDContext * ctx, KDRect rect) const override;
-    void setText(const char*, int length);
-    void nextPage();
-    void previousPage();
-    int getPageOffset() const;
-    void setPageOffset(int o);
+  void drawRect(KDContext * ctx, KDRect rect) const override;
+  void setText(const char*, int length);
+  void nextPage();
+  void previousPage();
+  int getPageOffset() const;
+  void setPageOffset(int o);
 protected:
-    int m_pageOffset = 0;
-    mutable int m_nextPageOffset = 0;
-    int m_length = 0;
+  int m_pageOffset = 0;
+  mutable int m_nextPageOffset = 0;
+  int m_length = 0;
 
-    static const int margin = 10;
+  static const int margin = 10;
 };
 
 }

escher/src/alternate_empty_view_controller.cpp

@@ -57,8 +57,7 @@ const char * AlternateEmptyViewController::title() {
 bool AlternateEmptyViewController::handleEvent(Ion::Events::Event event) {
   if (m_contentView.alternateEmptyViewDelegate()->isEmpty()) {
     if (event != Ion::Events::Home && event != Ion::Events::OnOff) {
-      m_contentView.alternateEmptyViewDelegate()->defaultController()->handleEvent(Ion::Events::Back);
-      return true;
+      return m_contentView.alternateEmptyViewDelegate()->defaultController()->handleEvent(Ion::Events::Back);
     }
     return false;
   }