X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/91d143816848744842eb17498455f31903ef912f..862ceee323ad3b474ce9de11eefbddd99c528fac:/src/dolphiniconsview.cpp

diff --git a/src/dolphiniconsview.cpp b/src/dolphiniconsview.cpp
index 35789f754..d21ffba32 100644
--- a/src/dolphiniconsview.cpp
+++ b/src/dolphiniconsview.cpp
@@ -25,21 +25,21 @@
 
 #include "dolphin_iconsmodesettings.h"
 
-#include <kdirmodel.h>
-#include <kfileitem.h>
-#include <kfileitemdelegate.h>
-
 #include <QAbstractProxyModel>
+#include <QApplication>
+#include <QPainter>
 #include <QPoint>
 
 DolphinIconsView::DolphinIconsView(QWidget* parent, DolphinController* controller) :
     KListView(parent),
-    m_controller(controller)
+    m_controller(controller),
+    m_dragging(false)
 {
     Q_ASSERT(controller != 0);
     setViewMode(QListView::IconMode);
     setResizeMode(QListView::Adjust);
 
+    setMouseTracking(true);
     viewport()->setAttribute(Qt::WA_Hover);
 
     if (KGlobalSettings::singleClick()) {
@@ -51,8 +51,14 @@ DolphinIconsView::DolphinIconsView(QWidget* parent, DolphinController* controlle
     }
     connect(this, SIGNAL(activated(const QModelIndex&)),
             controller, SLOT(triggerItem(const QModelIndex&)));
+    connect(this, SIGNAL(entered(const QModelIndex&)),
+            controller, SLOT(emitItemEntered(const QModelIndex&)));
+    connect(this, SIGNAL(viewportEntered()),
+            controller, SLOT(emitViewportEntered()));
     connect(controller, SIGNAL(showPreviewChanged(bool)),
-            this, SLOT(updateGridSize(bool)));
+            this, SLOT(slotShowPreviewChanged(bool)));
+    connect(controller, SIGNAL(showAdditionalInfoChanged(bool)),
+            this, SLOT(slotShowAdditionalInfoChanged(bool)));
     connect(controller, SIGNAL(zoomIn()),
             this, SLOT(zoomIn()));
     connect(controller, SIGNAL(zoomOut()),
@@ -70,7 +76,8 @@ DolphinIconsView::DolphinIconsView(QWidget* parent, DolphinController* controlle
     font.setBold(settings->boldFont());
     m_viewOptions.font = font;
 
-    updateGridSize(controller->showPreview());
+    setWordWrap(settings->numberOfTextlines() > 1);
+    updateGridSize(controller->showPreview(), controller->showAdditionalInfo());
 
     if (settings->arrangement() == QListView::TopToBottom) {
         setFlow(QListView::LeftToRight);
@@ -78,6 +85,7 @@ DolphinIconsView::DolphinIconsView(QWidget* parent, DolphinController* controlle
     } else {
         setFlow(QListView::TopToBottom);
         m_viewOptions.decorationPosition = QStyleOptionViewItem::Left;
+        m_viewOptions.displayAlignment = Qt::AlignLeft | Qt::AlignVCenter;
     }
 }
 
@@ -96,10 +104,17 @@ void DolphinIconsView::contextMenuEvent(QContextMenuEvent* event)
     m_controller->triggerContextMenuRequest(event->pos());
 }
 
-void DolphinIconsView::mouseReleaseEvent(QMouseEvent* event)
+void DolphinIconsView::mousePressEvent(QMouseEvent* event)
 {
-    KListView::mouseReleaseEvent(event);
     m_controller->triggerActivation();
+    if (!indexAt(event->pos()).isValid()) {
+        const Qt::KeyboardModifiers modifier = QApplication::keyboardModifiers();
+        if (!(modifier & Qt::ShiftModifier) && !(modifier & Qt::ControlModifier)) {
+            clearSelection();
+        }
+    }
+
+    KListView::mousePressEvent(event);
 }
 
 void DolphinIconsView::dragEnterEvent(QDragEnterEvent* event)
@@ -107,6 +122,27 @@ void DolphinIconsView::dragEnterEvent(QDragEnterEvent* event)
     if (event->mimeData()->hasUrls()) {
         event->acceptProposedAction();
     }
+    m_dragging = true;
+}
+
+void DolphinIconsView::dragLeaveEvent(QDragLeaveEvent* event)
+{
+    KListView::dragLeaveEvent(event);
+
+    // TODO: remove this code when the issue #160611 is solved in Qt 4.4
+    m_dragging = false;
+    setDirtyRegion(m_dropRect);
+}
+
+void DolphinIconsView::dragMoveEvent(QDragMoveEvent* event)
+{
+    KListView::dragMoveEvent(event);
+
+    // TODO: remove this code when the issue #160611 is solved in Qt 4.4
+    const QModelIndex index = indexAt(event->pos());
+    setDirtyRegion(m_dropRect);
+    m_dropRect = visualRect(index);
+    setDirtyRegion(m_dropRect);
 }
 
 void DolphinIconsView::dropEvent(QDropEvent* event)
@@ -119,32 +155,34 @@ void DolphinIconsView::dropEvent(QDropEvent* event)
         event->acceptProposedAction();
     }
     KListView::dropEvent(event);
+    m_dragging = false;
 }
 
-void DolphinIconsView::updateGridSize(bool showPreview)
+void DolphinIconsView::paintEvent(QPaintEvent* event)
 {
-    const IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
-    Q_ASSERT(settings != 0);
-
-    int gridWidth = settings->gridWidth();
-    int gridHeight = settings->gridHeight();
-    int size = settings->iconSize();
-
-    if (showPreview) {
-        const int previewSize = settings->previewSize();
-        const int diff = previewSize - size;
-        Q_ASSERT(diff >= 0);
-        gridWidth  += diff;
-        gridHeight += diff;
-
-        size = previewSize;
+    KListView::paintEvent(event);
+
+    if (m_dragging) {
+        // TODO: remove this code when the issue #160611 is solved in Qt 4.4
+        QPainter painter(viewport());
+        painter.save();
+        QBrush brush(m_viewOptions.palette.brush(QPalette::Normal, QPalette::Highlight));
+        QColor color = brush.color();
+        color.setAlpha(64);
+        brush.setColor(color);
+        painter.fillRect(m_dropRect, brush);
+        painter.restore();
     }
+}
 
-    m_viewOptions.decorationSize = QSize(size, size);
-    setGridSize(QSize(gridWidth, gridHeight));
+void DolphinIconsView::slotShowPreviewChanged(bool showPreview)
+{
+    updateGridSize(showPreview, m_controller->showAdditionalInfo());
+}
 
-    m_controller->setZoomInPossible(isZoomInPossible());
-    m_controller->setZoomOutPossible(isZoomOutPossible());
+void DolphinIconsView::slotShowAdditionalInfoChanged(bool showAdditionalInfo)
+{
+    updateGridSize(m_controller->showPreview(), showAdditionalInfo);
 }
 
 void DolphinIconsView::zoomIn()
@@ -170,10 +208,10 @@ void DolphinIconsView::zoomIn()
 
         // increase also the grid size
         const int diff = newIconSize - oldIconSize;
-        settings->setGridWidth(settings->gridWidth() + diff);
-        settings->setGridHeight(settings->gridHeight() + diff);
+        settings->setItemWidth(settings->itemWidth() + diff);
+        settings->setItemHeight(settings->itemHeight() + diff);
 
-        updateGridSize(showPreview);
+        updateGridSize(showPreview, m_controller->showAdditionalInfo());
     }
 }
 
@@ -201,10 +239,10 @@ void DolphinIconsView::zoomOut()
 
         // decrease also the grid size
         const int diff = oldIconSize - newIconSize;
-        settings->setGridWidth(settings->gridWidth() - diff);
-        settings->setGridHeight(settings->gridHeight() - diff);
+        settings->setItemWidth(settings->itemWidth() - diff);
+        settings->setItemHeight(settings->itemHeight() - diff);
 
-        updateGridSize(showPreview);
+        updateGridSize(showPreview, m_controller->showAdditionalInfo());
     }
 }
 
@@ -252,4 +290,43 @@ int DolphinIconsView::decreasedIconSize(int size) const
     return decSize;
 }
 
+void DolphinIconsView::updateGridSize(bool showPreview, bool showAdditionalInfo)
+{
+    const IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
+    Q_ASSERT(settings != 0);
+
+    int itemWidth = settings->itemWidth();
+    int itemHeight = settings->itemHeight();
+    int size = settings->iconSize();
+
+    if (showPreview) {
+        const int previewSize = settings->previewSize();
+        const int diff = previewSize - size;
+        Q_ASSERT(diff >= 0);
+        itemWidth  += diff;
+        itemHeight += diff;
+
+        size = previewSize;
+    }
+
+    if (showAdditionalInfo) {
+        itemHeight += m_viewOptions.font.pointSize() * 2;
+    }
+
+    if (settings->arrangement() == QListView::TopToBottom) {
+        // The decoration width indirectly defines the maximum
+        // width for the text wrapping. To use the maximum item width
+        // for text wrapping, it is used as decoration width.
+        m_viewOptions.decorationSize = QSize(itemWidth, size);
+    } else {
+        m_viewOptions.decorationSize = QSize(size, size);
+    }
+
+    const int spacing = settings->gridSpacing();
+    setGridSize(QSize(itemWidth + spacing, itemHeight + spacing));
+
+    m_controller->setZoomInPossible(isZoomInPossible());
+    m_controller->setZoomOutPossible(isZoomOutPossible());
+}
+
 #include "dolphiniconsview.moc"