added custom delegate for listview (WIP) #34

Author: rodlie

fm/src/actiontriggers.cpp

@@ -743,7 +743,11 @@ void MainWindow::toggleIcons() {
   if (iconAct->isChecked()) {
     currentView = 1;
     list->setViewMode(QListView::IconMode);
-    list->setGridSize(QSize(zoom + 32, zoom + 32));
+    int padding = 10;
+    if (zoom<48) { padding = 20; }
+    if (zoom<32) { padding = 40; }
+    if (zoom<24) { padding = 50; }
+    list->setGridSize(QSize(zoom*2+padding, zoom*2+padding));
     list->setIconSize(QSize(zoom, zoom));
     list->setFlow(QListView::LeftToRight);
 

fm/src/mainwindow.cpp

@@ -176,6 +176,8 @@ MainWindow::MainWindow()
     list->setWrapping(true);
     list->setWordWrap(true);
     list->setModel(modelView);
+    list->setItemDelegate(new Delegate());
+    list->setTextElideMode(Qt::ElideNone);
     listSelectionModel = list->selectionModel();
 
     detailTree->setRootIsDecorated(false);

fm/src/mainwindow.h

@@ -65,6 +65,41 @@ class QAction;
 class QMenu;
 QT_END_NAMESPACE
 
+
+#include <QItemDelegate>
+
+class Delegate : public QItemDelegate
+{
+public:
+    QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
+    {
+        QIcon icon = qvariant_cast<QIcon>(index.data(Qt::DecorationRole));
+        QSize iconsize = icon.actualSize(option.decorationSize);
+        QRect item = option.rect;
+        QRect txtRect(item.left(), item.top()+(iconsize.height()/2), item.width()-10, item.height()-10);
+        QSize txtsize = option.fontMetrics.boundingRect(txtRect, Qt::AlignCenter|Qt::TextWrapAnywhere, index.data().toString()).size();
+        return QSize(txtsize.width(),txtsize.height()+iconsize.height());
+    }
+    void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
+    {
+        QIcon icon = qvariant_cast<QIcon>(index.data(Qt::DecorationRole));
+        QSize iconsize = icon.actualSize(option.decorationSize);
+        QRect item = option.rect;
+        QRect iconRect(item.left()+(item.width()/2)-(iconsize.width()/2), item.top()+3, iconsize.width(), iconsize.height());
+        QRect txtRect(item.left(), item.top()+(iconsize.height()/2)+5, item.width(), item.height());
+
+        if (option.state & QStyle::State_Selected) {
+            painter->fillRect(option.rect, option.palette.highlight());
+            painter->setPen(option.palette.highlightedText().color());
+        } else {
+            painter->setPen(option.palette.text().color());
+        }
+
+        painter->drawPixmap(iconRect, icon.pixmap(iconsize.width(),iconsize.height()));
+        painter->drawText(txtRect, Qt::AlignCenter|Qt::TextWrapAnywhere, index.data().toString());
+    }
+};
+
 //---------------------------------------------------------------------------------
 
 /**