]> cloud.milkyroute.net Git - dolphin.git/blobdiff - src/dolphiniconsview.cpp
don't hardcode the spacing...
[dolphin.git] / src / dolphiniconsview.cpp
index c771e0180123b6836fd37ae7d0d17cdc089356b3..d2bac6b13a15e6ffe027c8e4bb3e532f81f7dc9e 100644 (file)
 
 #include "dolphincontroller.h"
 #include "dolphinsettings.h"
+#include "dolphinitemcategorizer.h"
 
 #include "dolphin_iconsmodesettings.h"
 
-#include <kdirmodel.h>
-#include <kfileitem.h>
-#include <kfileitemdelegate.h>
+#include <kdialog.h>
 
 #include <QAbstractProxyModel>
+#include <QApplication>
+#include <QPainter>
 #include <QPoint>
 
 DolphinIconsView::DolphinIconsView(QWidget* parent, DolphinController* controller) :
-    QListView(parent),
-    m_controller(controller)
+    KListView(parent),
+    m_controller(controller),
+    m_dragging(false)
 {
     Q_ASSERT(controller != 0);
     setViewMode(QListView::IconMode);
     setResizeMode(QListView::Adjust);
-
+    setSpacing(KDialog::spacingHint());
+    setMouseTracking(true);
     viewport()->setAttribute(Qt::WA_Hover);
 
-    connect(this, SIGNAL(clicked(const QModelIndex&)),
-            controller, SLOT(triggerItem(const QModelIndex&)));
+    if (KGlobalSettings::singleClick()) {
+        connect(this, SIGNAL(clicked(const QModelIndex&)),
+                controller, SLOT(triggerItem(const QModelIndex&)));
+    } else {
+        connect(this, SIGNAL(doubleClicked(const QModelIndex&)),
+                controller, SLOT(triggerItem(const QModelIndex&)));
+    }
     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()),
@@ -56,18 +70,24 @@ DolphinIconsView::DolphinIconsView(QWidget* parent, DolphinController* controlle
     const IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
     Q_ASSERT(settings != 0);
 
-    m_viewOptions = QListView::viewOptions();
-    m_viewOptions.font = QFont(settings->fontFamily(), settings->fontSize());
+    m_viewOptions = KListView::viewOptions();
+    m_viewOptions.showDecorationSelected = true;
+
+    QFont font(settings->fontFamily(), settings->fontSize());
+    font.setItalic(settings->italicFont());
+    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);
         m_viewOptions.decorationPosition = QStyleOptionViewItem::Top;
-    }
-    else {
+    } else {
         setFlow(QListView::TopToBottom);
         m_viewOptions.decorationPosition = QStyleOptionViewItem::Left;
+        m_viewOptions.displayAlignment = Qt::AlignLeft | Qt::AlignVCenter;
     }
 }
 
@@ -82,14 +102,21 @@ QStyleOptionViewItem DolphinIconsView::viewOptions() const
 
 void DolphinIconsView::contextMenuEvent(QContextMenuEvent* event)
 {
-    QListView::contextMenuEvent(event);
+    KListView::contextMenuEvent(event);
     m_controller->triggerContextMenuRequest(event->pos());
 }
 
-void DolphinIconsView::mouseReleaseEvent(QMouseEvent* event)
+void DolphinIconsView::mousePressEvent(QMouseEvent* event)
 {
-    QListView::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)
@@ -97,6 +124,27 @@ 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)
@@ -108,34 +156,29 @@ void DolphinIconsView::dropEvent(QDropEvent* event)
                                           event->source());
         event->acceptProposedAction();
     }
-    QListView::dropEvent(event);
+    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);
 
+    // TODO: remove this code when the issue #160611 is solved in Qt 4.4
+    if (m_dragging) {
+        const QBrush& brush = m_viewOptions.palette.brush(QPalette::Normal, QPalette::Highlight);
+        DolphinController::drawHoverIndication(viewport(), m_dropRect, brush);
+    }
+}
 
-    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()
@@ -143,21 +186,28 @@ void DolphinIconsView::zoomIn()
     if (isZoomInPossible()) {
         IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
 
+        const int oldIconSize = settings->iconSize();
+        int newIconSize = oldIconSize;
+
         const bool showPreview = m_controller->showPreview();
         if (showPreview) {
             const int previewSize = increasedIconSize(settings->previewSize());
             settings->setPreviewSize(previewSize);
-        }
-        else {
-            const int iconSize = increasedIconSize(settings->iconSize());
-            settings->setIconSize(iconSize);
-            if (settings->previewSize() < iconSize) {
+        } else {
+            newIconSize = increasedIconSize(oldIconSize);
+            settings->setIconSize(newIconSize);
+            if (settings->previewSize() < newIconSize) {
                 // assure that the preview size is always >= the icon size
-                settings->setPreviewSize(iconSize);
+                settings->setPreviewSize(newIconSize);
             }
         }
 
-        updateGridSize(showPreview);
+        // increase also the grid size
+        const int diff = newIconSize - oldIconSize;
+        settings->setItemWidth(settings->itemWidth() + diff);
+        settings->setItemHeight(settings->itemHeight() + diff);
+
+        updateGridSize(showPreview, m_controller->showAdditionalInfo());
     }
 }
 
@@ -166,21 +216,29 @@ void DolphinIconsView::zoomOut()
     if (isZoomOutPossible()) {
         IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
 
+        const int oldIconSize = settings->iconSize();
+        int newIconSize = oldIconSize;
+
         const bool showPreview = m_controller->showPreview();
         if (showPreview) {
             const int previewSize = decreasedIconSize(settings->previewSize());
             settings->setPreviewSize(previewSize);
             if (settings->iconSize() > previewSize) {
                 // assure that the icon size is always <= the preview size
-                settings->setIconSize(previewSize);
+                newIconSize = previewSize;
+                settings->setIconSize(newIconSize);
             }
+        } else {
+            newIconSize = decreasedIconSize(settings->iconSize());
+            settings->setIconSize(newIconSize);
         }
-        else {
-            const int iconSize = decreasedIconSize(settings->iconSize());
-            settings->setIconSize(iconSize);
-        }
 
-        updateGridSize(showPreview);
+        // decrease also the grid size
+        const int diff = oldIconSize - newIconSize;
+        settings->setItemWidth(settings->itemWidth() - diff);
+        settings->setItemHeight(settings->itemHeight() - diff);
+
+        updateGridSize(showPreview, m_controller->showAdditionalInfo());
     }
 }
 
@@ -203,12 +261,12 @@ int DolphinIconsView::increasedIconSize(int size) const
     // TODO: get rid of K3Icon sizes
     int incSize = 0;
     switch (size) {
-        case K3Icon::SizeSmall:       incSize = K3Icon::SizeSmallMedium; break;
-        case K3Icon::SizeSmallMedium: incSize = K3Icon::SizeMedium; break;
-        case K3Icon::SizeMedium:      incSize = K3Icon::SizeLarge; break;
-        case K3Icon::SizeLarge:       incSize = K3Icon::SizeHuge; break;
-        case K3Icon::SizeHuge:        incSize = K3Icon::SizeEnormous; break;
-        default: Q_ASSERT(false); break;
+    case K3Icon::SizeSmall:       incSize = K3Icon::SizeSmallMedium; break;
+    case K3Icon::SizeSmallMedium: incSize = K3Icon::SizeMedium; break;
+    case K3Icon::SizeMedium:      incSize = K3Icon::SizeLarge; break;
+    case K3Icon::SizeLarge:       incSize = K3Icon::SizeHuge; break;
+    case K3Icon::SizeHuge:        incSize = K3Icon::SizeEnormous; break;
+    default: Q_ASSERT(false); break;
     }
     return incSize;
 }
@@ -218,14 +276,53 @@ int DolphinIconsView::decreasedIconSize(int size) const
     // TODO: get rid of K3Icon sizes
     int decSize = 0;
     switch (size) {
-        case K3Icon::SizeSmallMedium: decSize = K3Icon::SizeSmall; break;
-        case K3Icon::SizeMedium: decSize = K3Icon::SizeSmallMedium; break;
-        case K3Icon::SizeLarge: decSize = K3Icon::SizeMedium; break;
-        case K3Icon::SizeHuge: decSize = K3Icon::SizeLarge; break;
-        case K3Icon::SizeEnormous: decSize = K3Icon::SizeHuge; break;
-        default: Q_ASSERT(false); break;
+    case K3Icon::SizeSmallMedium: decSize = K3Icon::SizeSmall; break;
+    case K3Icon::SizeMedium: decSize = K3Icon::SizeSmallMedium; break;
+    case K3Icon::SizeLarge: decSize = K3Icon::SizeMedium; break;
+    case K3Icon::SizeHuge: decSize = K3Icon::SizeLarge; break;
+    case K3Icon::SizeEnormous: decSize = K3Icon::SizeHuge; break;
+    default: Q_ASSERT(false); break;
     }
     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"