[Add] File selection.

src/pdf_file_widget.cpp

@@ -1,6 +1,5 @@
 #include <QtWidgets>
 #include <QtGlobal>
-
 #include "pdf_file_widget.h"
 #include "pdf_page_widget.h"
 
@@ -45,8 +44,9 @@ void PagesContainerWidget::dropEvent(QDropEvent* event) {
   event->acceptProposedAction();
 }
 
-PDFFileWidget::PDFFileWidget(QWidget* parent) {
+PDFFileWidget::PDFFileWidget(QWidget* parent) :QFrame(parent) {
   setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
+  setFrameStyle(QFrame::Box);
 
   topLayout       = new QGridLayout();
 
@@ -68,11 +68,43 @@ PDFFileWidget::PDFFileWidget(QWidget* parent) {
   setLayout(topLayout);
 
   setCollapsed(false);
+  selected = false;
 
   connect(&tgen, SIGNAL(updateThumbnail(QImage,PDFPageWidget*)), this,
           SLOT(updateThumbnail(QImage,PDFPageWidget*)));
 }
 
+void PDFFileWidget::setAncestor(QWidget* ancestor) {
+  this->ancestor = ancestor;
+  connect(this, SIGNAL(fileClicked(PDFFileWidget*, QMouseEvent*)), ancestor,
+          SLOT(fileClicked(PDFFileWidget*, QMouseEvent*)));
+}
+
+void PDFFileWidget::setSelected(bool select) {
+  selected = select;
+  update();
+}
+
+void PDFFileWidget::mousePressEvent(QMouseEvent* event) {
+  emit fileClicked(this, event);
+}
+
+void PDFFileWidget::paintEvent(QPaintEvent* event) {
+  QPalette palette = this->palette();
+  QPalette labelPalette = fileNameLabel->palette();
+  if(selected) {
+    palette.setColor(foregroundRole(), palette.color(QPalette::Highlight));
+    labelPalette.setColor(foregroundRole(), palette.color(QPalette::Highlight));
+  } else {
+    palette.setColor(foregroundRole(), palette.color(QPalette::Dark));
+    labelPalette.setColor(foregroundRole(), palette.color(QPalette::Text));
+  }
+  this->setPalette(palette);
+  fileNameLabel->setPalette(labelPalette);
+
+  QFrame::paintEvent(event);
+}
+
 void PDFFileWidget::updateThumbnail(QImage img, PDFPageWidget* pw) {
   pw->setThumbnail(img);
 }
@@ -92,10 +124,6 @@ void PDFFileWidget::collapsedButtonClick(void) {
   setCollapsed(!collapsed);
 }
 
-void PDFFileWidget::pageClickedHandler(QMouseEvent*, QImage) {
-
-}
-
 void PDFFileWidget::setDocument(Poppler::Document* document, QString fileName) {
   document->setRenderHint(Poppler::Document::TextAntialiasing);
   Poppler::Document* doc = Poppler::Document::load(fileName);

src/pdf_file_widget.h

@@ -1,5 +1,6 @@
 #pragma once
 #include <QWidget>
+#include <QFrame>
 #include <poppler-qt5.h>
 #include "pdf_page_widget.h"
 #include "thumbgen.h"
@@ -16,8 +17,9 @@ class QPoint;
 class QDragEnterEvent;
 class QDropEvent;
 class QMouseEvent;
-class PDFPageWidget;
+class QPaintEvent;
 class ThumbGen;
+class PDFPageWidget;
 
 class PagesContainerWidget : public QWidget {
   Q_OBJECT
@@ -37,27 +39,29 @@ private:
   int getPagesCount() const;
 };
 
-class PDFFileWidget : public QWidget {
+class PDFFileWidget : public QFrame {
   Q_OBJECT
   Q_PROPERTY(bool collapsed READ isCollapsed WRITE setCollapsed)
 
 public:
   PDFFileWidget(QWidget* parent = 0);
 
-  void  setAncestor(QWidget* ancestor) { this->ancestor = ancestor; }
+  void  setAncestor(QWidget* ancestor);
   void  setDocument(Poppler::Document* document, QString fileName);
   int   removeChild(PDFPageWidget* child);
   void  insertChildAt(PDFPageWidget* child, int pos);
 
+  void setSelected(bool select);
+  bool isSelected(void) { return selected; }
   bool isCollapsed(void) { return collapsed; }
   void setCollapsed(bool collapsed);
 
 protected:
-  
+  void mousePressEvent(QMouseEvent* event);
+  void paintEvent(QPaintEvent* event);
 
 private slots:
   void collapsedButtonClick();
-  void pageClickedHandler(QMouseEvent*, QImage);
   void updateThumbnail(QImage, PDFPageWidget*);
 
 private:
@@ -70,10 +74,9 @@ private:
   QScrollArea*            scrollArea;
   QWidget*                ancestor;
   bool                    collapsed;
+  bool                    selected;
 
 signals:
-  void pageClicked(QMouseEvent*, QImage);
-  void pageClicked(QMouseEvent*, Poppler::Page*);
-  void previewUpdate(Poppler::Page*);
+  void fileClicked(PDFFileWidget*, QMouseEvent*);
 };
 

src/pdf_page_widget.h

@@ -15,12 +15,12 @@ class PDFPageWidget : public QFrame {
   Q_OBJECT
 public:
   PDFPageWidget(QWidget* parent = 0);
+  QSize sizeHint(void) const;
+
   void setThumbnail(QImage pageImage);
   void setPopplerPage(Poppler::Page*);
 
   void setButton(QPushButton* btn);
-  QSize sizeHint() const;
-  /*void setButtonImage(QImage* pageImage);*/
   void setAncestor(QWidget* ancestor);
   void setFather(QWidget* father);
   QWidget* getFather() { return father; }
@@ -52,8 +52,8 @@ private:
   bool            selected;
 
 signals:
-  void pageClicked(PDFPageWidget* sender, QMouseEvent* event, QString);
-  void pageDropped(PDFPageWidget* sender, QDropEvent* event, QString, QString);
+  void pageClicked(PDFPageWidget*, QMouseEvent*, QString);
+  void pageDropped(PDFPageWidget*, QDropEvent*, QString, QString);
   void previewUpdate(Poppler::Page*);
 };
 

src/pdf_table_widget.cpp

@@ -16,6 +16,7 @@ PDFTableWidget::PDFTableWidget(QWidget* parent) : QFrame(parent) {
   scrollArea = new QScrollArea();
   scrollArea->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
   scrollArea->setWidgetResizable(true);
+  scrollArea->setFrameStyle(QFrame::Plain);
 
   containerLayout = new QVBoxLayout();
   containerWidget = new QWidget();
@@ -57,6 +58,31 @@ void PDFTableWidget::registerPage(PDFPageWidget* child) {
   child->registerName(name);
 }
 
+void PDFTableWidget::fileClicked(PDFFileWidget* sender, QMouseEvent* event) {
+  if(event->button() == Qt::LeftButton) {
+    if(event->modifiers() != Qt::LeftButton) {
+      for(int i = 0; i < selectedFiles.size(); i++) {
+        selectedFiles.at(i)->setSelected(false);
+      }
+
+      selectedFiles.clear();
+
+      if(!sender->isSelected()) {
+        sender->setSelected(true);
+        selectedFiles.append(sender);
+      }
+    } else {
+      if(!sender->isSelected()) {
+        sender->setSelected(true);
+        selectedFiles.append(sender);
+      } else {
+        sender->setSelected(false);
+        selectedFiles.remove(selectedFiles.indexOf(sender));
+      }
+    }
+  }
+}
+
 void PDFTableWidget::pageClicked(PDFPageWidget* sender, QMouseEvent* event, QString path) {
   if(event->button() == Qt::LeftButton) {
     /* Handle selection. */

src/pdf_table_widget.h

@@ -23,6 +23,7 @@ public:
 
 protected:
   PDFJam pdfJam;
+
 private:
   QVBoxLayout*                outerLayout;
   QScrollArea*                scrollArea;
@@ -40,10 +41,13 @@ signals:
   void previewUpdate(Poppler::Page*);
 
 private slots:
-  void pageClicked(PDFPageWidget* sender, QMouseEvent* event, QString path);
-  void pageDropped(PDFPageWidget* sender, QDropEvent* event, QString, QString);
+  void pageClicked(PDFPageWidget*, QMouseEvent*, QString);
+  void pageDropped(PDFPageWidget*, QDropEvent*, QString, QString);
+
+  void fileClicked(PDFFileWidget*, QMouseEvent*);
 
 private:
   QVector<PDFPageWidget*> selectedPages;
+  QVector<PDFFileWidget*> selectedFiles;
 };