Finished rotation and working on changing keys in lumina-pdf

1 files changed, 107 insertions, 29 deletions

diff --git a/src-qt5/desktop-utils/lumina-pdf/mainUI.cpp b/src-qt5/desktop-utils/lumina-pdf/mainUI.cpp
index ce2707c9..b4847609 100644
--- a/src-qt5/desktop-utils/lumina-pdf/mainUI.cpp
+++ b/src-qt5/desktop-utils/lumina-pdf/mainUI.cpp
@@ -28,7 +28,6 @@ MainUI::MainUI() : QMainWindow(), ui(new Ui::MainUI()){
   this->setWindowIcon( LXDG::findIcon("application-pdf","unknown"));
   presentationLabel = 0;
   CurrentPage = 0;
-  ccw = 0;
   lastdir = QDir::homePath();
   Printer = new QPrinter();
   //Create the interface widgets
@@ -91,8 +90,10 @@ MainUI::MainUI() : QMainWindow(), ui(new Ui::MainUI()){
   connect(ui->actionScroll_Mode, SIGNAL(toggled(bool)), this, SLOT(setScroll(bool)) );
   connect(ui->actionZoom_In,  &QAction::triggered, WIDGET, [&] { WIDGET->zoomIn(1.2);  });
   connect(ui->actionZoom_Out, &QAction::triggered, WIDGET, [&] { WIDGET->zoomOut(1.2); });
-  connect(ui->actionRotate_Counterclockwise, &QAction::triggered, this, [&] { this->rotate(Printer, true); });
-  connect(ui->actionRotate_Clockwise, &QAction::triggered, this, [&] { this->rotate(Printer, false); });
+  connect(ui->actionRotate_Counterclockwise, &QAction::triggered, this, [&] { this->rotate(true); });
+  connect(ui->actionRotate_Clockwise, &QAction::triggered, this, [&] { this->rotate(false); });
+  connect(ui->actionZoom_In_2,  &QAction::triggered, WIDGET, [&] { WIDGET->zoomIn(1.2);  });
+  connect(ui->actionZoom_Out_2, &QAction::triggered, WIDGET, [&] { WIDGET->zoomOut(1.2); });
 
   //Setup all the icons
   ui->actionPrint->setIcon( LXDG::findIcon("document-print",""));
@@ -106,6 +107,8 @@ MainUI::MainUI() : QMainWindow(), ui(new Ui::MainUI()){
   ui->actionScroll_Mode->setIcon(LXDG::findIcon("cursor-pointer",""));
   ui->actionZoom_In->setIcon(LXDG::findIcon("zoom-in",""));
   ui->actionZoom_Out->setIcon(LXDG::findIcon("zoom-out",""));
+  ui->actionZoom_In_2->setIcon(LXDG::findIcon("zoom-in",""));
+  ui->actionZoom_Out_2->setIcon(LXDG::findIcon("zoom-out",""));
   ui->actionRotate_Counterclockwise->setIcon(LXDG::findIcon("object-rotate-left",""));
   ui->actionRotate_Clockwise->setIcon(LXDG::findIcon("object-rotate-right",""));
 
@@ -311,8 +314,6 @@ void MainUI::startLoadingPages(QPrinter *printer){
   progress->setValue(0);
   progAct->setVisible(true);
   QRectF pageSize = printer->pageRect(QPrinter::DevicePixel);
-  printer->setPageSize(QPageSize(QSize(pageSize.width()*2, pageSize.height()*2)));
-  qDebug() << "Starting size" << pageSize.size();
   QSize DPI(printer->resolution(),printer->resolution());
   /*qDebug() << "Screen Resolutions:";
   QList<QScreen*> screens = QApplication::screens();
@@ -321,7 +322,7 @@ void MainUI::startLoadingPages(QPrinter *printer){
   }*/
   for(int i=0; i<numPages; i++){
     //qDebug() << " - Kickoff page load:" << i;
-    this->ccw = 0;
+    //this->ccw = 0;
     QtConcurrent::run(this, &MainUI::loadPage, i, DOC, this, DPI, pageSize.size());
   }
 }
@@ -332,7 +333,7 @@ void MainUI::slotPageLoaded(int page){
   if(finished == numPages){
     progAct->setVisible(false);
     QTimer::singleShot(0, WIDGET, SLOT(updatePreview()));
-    qDebug() << "Updating";
+    //qDebug() << "Updating";
     ui->actionStop_Presentation->setEnabled(false);
     ui->menuStart_Presentation->setEnabled(true);
   }else{
@@ -346,24 +347,19 @@ void MainUI::slotStartPresentation(QAction *act){
 
 void MainUI::paintOnWidget(QPrinter *PRINTER){
   if(DOC==0){ return; }
-  //this->show();
-  qDebug() << "Painting";
-  qDebug() << numPages << loadingHash.keys().length();
   if(loadingHash.keys().length() != numPages){ startLoadingPages(PRINTER); return; }
+  //Increase the resolution of the page to match the image to prevent downscaling
+  PRINTER->setPageSize(QPageSize(PRINTER->pageRect().size()*2));
+  qDebug() << PRINTER->pageRect().size() << loadingHash[0].size();
 
   QPainter painter(PRINTER);
-    for(int i=0; i<numPages; i++){
-      if(i != 0){ PRINTER->newPage(); } //this is the start of the next page (not needed for first)
-      if(loadingHash.contains(i)){ painter.drawImage(0,0, loadingHash[i].scaled(PRINTER->pageRect().size(), Qt::KeepAspectRatio, Qt::SmoothTransformation)); qDebug() << PRINTER->pageRect().size();}
-      else{ painter.drawImage(0,0, QImage()); }
-      if(ccw != 0) {
-        QTransform transform;
-        transform.rotate((ccw-1) ? 270 : 90);
-        painter.setTransform(transform);
-        //painter.rotate((ccw-1) ? 270 : 90);
-      }
-    }
+  for(int i=0; i<numPages; i++){
+    if(i != 0){ PRINTER->newPage(); } //this is the start of the next page (not needed for first)
+    if(loadingHash.contains(i)){ painter.drawImage(0,0, loadingHash[i].scaled(PRINTER->pageRect().size(), Qt::KeepAspectRatio, Qt::SmoothTransformation)); }
+    else{ painter.drawImage(0,0, QImage()); }
+  }
   WIDGET->setContextMenuPolicy(Qt::CustomContextMenu);
+  loadingHash.clear();
 }
 
 void MainUI::paintToPrinter(QPrinter *PRINTER){
@@ -403,7 +399,6 @@ void MainUI::paintToPrinter(QPrinter *PRINTER){
     }
   }
   //qDebug() << "Final Page Range:" << pageCount;
-  //return;
   //Generate the sizing information for the printer
   QSize sz(PRINTER->pageRect().width(), PRINTER->pageRect().height());
   bool landscape = PRINTER->orientation()==QPrinter::Landscape;
@@ -443,15 +438,20 @@ void MainUI::setScroll(bool tog) {
   }else{
     QApplication::setOverrideCursor(Qt::IBeamCursor);
   }
-  //WIDGET->
 }
 
-void MainUI::rotate(QPrinter *printer, bool ccw) {
-  QRectF pageSize = printer->pageRect(QPrinter::DevicePixel);
-  QSize dpi(printer->resolution(),printer->resolution());
-  this->ccw = ccw+1;
-  for(int i=0; i < numPages; i++)
-    QtConcurrent::run(this, &MainUI::loadPage, i, DOC, this, dpi, pageSize.size());
+void MainUI::rotate(bool ccw) {
+  for(int i = 0; i < numPages; i++) {
+    QImage image = loadingHash[i];
+    //Setup a rotation matrix that rotates 90 degrees clockwise or counterclockwise
+    QMatrix matrix = (ccw) ? QMatrix(0, -1, 1, 0, 0, 0) : QMatrix(0, 1, -1, 0, 0, 0);
+    image = image.transformed(matrix, Qt::SmoothTransformation);
+    //Updates the image in the hash
+    loadingHash.insert(i, image);
+  }
+  //Rotates the page as well as the image
+  WIDGET->setOrientation((WIDGET->orientation() == QPrinter::Landscape) ? QPrinter::Portrait : QPrinter::Landscape);
+  WIDGET->updatePreview();
 }
 
 void MainUI::updateContextMenu(){
@@ -472,3 +472,81 @@ void MainUI::updateContextMenu(){
     contextMenu->addAction(tr("Stop Presentation"), this, SLOT(closePresentation()) );
   }
 }
+
+void MainUI::keyPressEvent(QKeyEvent *event){
+  //See if this is one of the special hotkeys and act appropriately
+  bool inPresentation = (presentationLabel!=0);
+  /*QWheelEvent wEvent( WIDGET->mapFromGlobal(QCursor::pos()), QCursor::pos(),QPoint(0,0), QPoint(0,30), 0, Qt::Vertical, Qt::LeftButton, Qt::NoModifier);
+  qDebug() << "KeyPressed";
+  switch(event->key()) {
+    case Qt::Key_Escape:
+    case Qt::Key_Backspace:
+      qDebug() << " - Escape/Backspace";
+      if(inPresentation){ endPresentation(); }
+      break;
+    case Qt::Key_Right:
+    case Qt::Key_Space:
+    case Qt::Key_PageDown:
+      qDebug() << " - Right/Down/Spacebar" << inPresentation;
+      nextPage();
+      break;
+    case Qt::Key_Left:
+    case Qt::Key_PageUp:
+      qDebug() << " - Left/Up";
+      prevPage();
+      break;
+    case Qt::Key_Home:
+      qDebug() << " - Home";
+      firstPage();
+      break;
+    case Qt::Key_End:
+      qDebug() << " - End";
+      lastPage();
+      break;
+    case Qt::Key_F11:
+      qDebug() << " - F11";
+      if(inPresentation){ endPresentation(); }
+      else{ startPresentationHere(); }
+      break;
+    case Qt::Key_Up:
+      break;
+    case Qt::Key_Down:
+      qDebug() << "Send Wheel Event";
+      QApplication::sendEvent(WIDGET, &wEvent);
+      //WIDGET->scrollDown();
+      break;
+    default:
+      QMainWindow::keyPressEvent(event);
+  }*/
+  if( event->key()==Qt::Key_Escape || event->key()==Qt::Key_Backspace){
+    qDebug() << " - Escape/Backspace";
+    if(inPresentation){ endPresentation(); }
+  }else if(event->key()==Qt::Key_Right || event->key()==Qt::Key_Space || event->key()==Qt::Key_PageDown){
+    qDebug() << " - Right/Down/Spacebar" << inPresentation;
+    nextPage();
+  }else if(event->key()==Qt::Key_Left || event->key()==Qt::Key_PageUp){
+    qDebug() << " - Left/Up";
+    prevPage();
+  }else if(event->key()==Qt::Key_Home){
+    qDebug() << " - Home";
+    firstPage();
+  }else if(event->key()==Qt::Key_End){
+    qDebug() << " - End";
+    lastPage();
+  }else if(event->key()==Qt::Key_F11){
+    qDebug() << " - F11";
+    if(inPresentation){ endPresentation(); }
+    else{ startPresentationHere(); }
+  }else if(event->key() == Qt::Key_Up) {
+    qDebug() << " - KeyUp";
+    
+  }else if(event->key() == Qt::Key_Down) {
+    /*qDebug() << "Send Wheel Event";
+    QWheelEvent wEvent( WIDGET->mapFromGlobal(QCursor::pos()), QCursor::pos(),QPoint(0,0), QPoint(0,30), 0, Qt::Vertical, Qt::LeftButton, Qt::NoModifier);
+    QApplication::sendEvent(WIDGET, &wEvent);*/
+    qDebug() << " - KeyDown";
+    //WIDGET->scroll(0, 30);
+  }else{
+    QMainWindow::keyPressEvent(event);
+  }
+}