- Add new aspect mode EImageAspect_Monitor , match the aspect of the monitor

- Added code to make sure the QMainWindow matches the screen size, dynamic rotation of the monitor caused incorrect screen sizes

src/imagestructs.h

@@ -4,7 +4,7 @@
 #include <string>
 
 // possible aspect ratios of an image
-enum EImageAspect { EImageAspect_Landscape = 0, EImageAspect_Portrait, EImageAspect_Any };
+enum EImageAspect { EImageAspect_Landscape = 0, EImageAspect_Portrait, EImageAspect_Any, EImageAspect_Monitor /* match monitors aspect */ };
 
 // options to consider when displaying an image
 struct ImageDisplayOptions_t

src/main.cpp

@@ -32,7 +32,7 @@ int main(int argc, char *argv[])
   bool sorted = false;
   bool debugMode = false;
   ImageDisplayOptions_t baseDisplayOptions;
-  std::string valid_aspects = "alp"; // all, landscape, portait
+  std::string valid_aspects = "alpm"; // all, landscape, portait
   std::string overlay = "";
   std::string imageList = ""; // comma delimited list of images to show
   int debugInt = 0;
@@ -71,6 +71,9 @@ int main(int argc, char *argv[])
             case 'p':
               baseDisplayOptions.onlyAspect = EImageAspect_Portrait;
               break;
+            case 'm':
+              baseDisplayOptions.onlyAspect = EImageAspect_Monitor;
+              break;
             default:
             case 'a':
               baseDisplayOptions.onlyAspect = EImageAspect_Any;
@@ -168,6 +171,7 @@ int main(int argc, char *argv[])
   w.show();
 
   ImageSwitcher switcher(w, rotationSeconds * 1000, selector);
+  w.setImageSwitcher(&switcher);
   switcher.start();
   return a.exec();
 }

src/mainwindow.cpp

@@ -1,6 +1,7 @@
 #include "mainwindow.h"
 #include "overlay.h"
 #include "ui_mainwindow.h"
+#include "imageswitcher.h"
 #include <QLabel>
 #include <QPixmap>
 #include <QBitmap>
@@ -14,6 +15,7 @@
 #include <QRect>
 #include <QGraphicsScene>
 #include <QGraphicsPixmapItem>
+#include <QDesktopWidget>
 #include <sstream>
 
 MainWindow::MainWindow(QWidget *parent) :
@@ -104,10 +106,43 @@ bool MainWindow::event(QEvent* event)
 
 void MainWindow::resizeEvent(QResizeEvent* event)
 {
-   QMainWindow::resizeEvent(event);
+  QMainWindow::resizeEvent(event);
-   updateImage(true);
+  // the window size in this event may not match the monitor size, so use QDesktopWidget to find the true monitor size
+  QDesktopWidget desktop;
+  QSize screenSize = desktop.screenGeometry(this).size();
+  bool isLandscape = screenSize.width() > screenSize.height();
+  if (imageAspectMatchesMonitor)
+  {
+    baseImageOptions.onlyAspect = isLandscape ? EImageAspect_Landscape : EImageAspect_Portrait; 
+  }
+  if(debugMode)
+  {
+    std::cout << "Got resize:" << this << " " << screenSize.width() << "," << screenSize.height() << " , is landscape? " << (isLandscape ? "y" : "n") << std::endl;
+  }
+  updateImage(true);
+  QTimer::singleShot(5, this, SLOT(checkWindowSize()));
+  if(lastScreenSize != screenSize && switcher != nullptr)
+  {
+    lastScreenSize = screenSize;
+    switcher->updateImage();
+  }
 }
 
+void MainWindow::checkWindowSize()
+{
+  QDesktopWidget desktop;
+  QRect screenSize = desktop.screenGeometry(this);
+  if(size() != screenSize.size())
+  {
+    if(debugMode)
+    {
+      std::cout << "Resizing Window" << screenSize.width() << "," << screenSize.height() << std::endl;
+    }
+    setFixedSize(screenSize.size());
+  }
+}
+
+
 void MainWindow::setImage(const ImageDetails_t &imageDetails)
 {
     currentImage = imageDetails;
@@ -116,6 +151,7 @@ void MainWindow::setImage(const ImageDetails_t &imageDetails)
 
 void MainWindow::updateImage(bool immediately)
 {
+    checkWindowSize();
     if (currentImage.filename == "")
       return;
 
@@ -131,7 +167,7 @@ void MainWindow::updateImage(bool immediately)
     QPixmap p( currentImage.filename.c_str() );
     if(debugMode)
     {
-      std::cout << "size:" << p.width() << "x" << p.height() << std::endl;
+      std::cout << "size:" << p.width() << "x" << p.height() << "(window:" << width() << "," << height() << ")" << std::endl;
     }
 
     QPixmap rotated = getRotatedPixmap(p);
@@ -302,3 +338,13 @@ void MainWindow::warn(std::string text)
   QLabel *label = this->findChild<QLabel*>("image");
   label->setText(text.c_str());
 }
+
+void MainWindow::setBaseOptions(const ImageDisplayOptions_t &baseOptionsIn) 
+{ 
+  baseImageOptions = baseOptionsIn; 
+  if(baseImageOptions.onlyAspect == EImageAspect_Monitor)
+  {
+    imageAspectMatchesMonitor = true;
+    baseImageOptions.onlyAspect = width() >= height() ? EImageAspect_Landscape : EImageAspect_Portrait;
+  }
+}

src/mainwindow.h

@@ -12,6 +12,7 @@ class MainWindow;
 class QLabel;
 class QKeyEvent;
 class Overlay;
+class ImageSwitcher;
 
 class MainWindow : public QMainWindow
 {
@@ -29,18 +30,24 @@ public:
     void warn(std::string text);
     void setOverlay(Overlay* overlay);
     void setDebugMode(bool debugModeIn) {debugMode = debugModeIn;}
-    void setBaseOptions(const ImageDisplayOptions_t &baseOptionsIn) { baseImageOptions = baseOptionsIn; }
+    void setBaseOptions(const ImageDisplayOptions_t &baseOptionsIn);
     const ImageDisplayOptions_t &getBaseOptions() { return baseImageOptions; }
+    void setImageSwitcher(ImageSwitcher *switcherIn) { switcher = switcherIn; }
+public slots:
+    void checkWindowSize();
 private:
     Ui::MainWindow *ui;
 
     unsigned int blurRadius = 20;
     unsigned int backgroundOpacity = 150;
     ImageDisplayOptions_t baseImageOptions;
+    bool imageAspectMatchesMonitor = false;
     ImageDetails_t currentImage;
     bool debugMode = false;
+    QSize lastScreenSize = {0,0};
 
-    Overlay* overlay;
+    Overlay* overlay = nullptr;
+    ImageSwitcher *switcher = nullptr;
 
     void drawText(QPixmap& image, int margin, int fontsize, QString text, int alignment);
 

src/pathtraverser.cpp

@@ -51,7 +51,6 @@ void PathTraverser::LoadOptionsForDirectory(const std::string &directoryPath, Im
         std::cout << "Fit Aspect:" << options.fitAspectAxisToWindow << std::endl;
       }
     }
-    // read json
   }
 }