]> cloud.milkyroute.net Git - dolphin.git/blobdiff - src/views/dolphincolumnview.cpp
Update e-mail address from peter.penz@gmx.at to peter.penz19@gmail.com
[dolphin.git] / src / views / dolphincolumnview.cpp
index 1fdc3e0b26bd886f7ce4f793ebe54961778d8558..6b0f43cd99286b2a32c71f9b59dd99051ed139ee 100644 (file)
@@ -1,5 +1,5 @@
 /***************************************************************************
- *   Copyright (C) 2007-2009 by Peter Penz <peter.penz@gmx.at>             *
+ *   Copyright (C) 2007-2009 by Peter Penz <peter.penz19@gmail.com>        *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
 #include "viewmodecontroller.h"
 #include "zoomlevelinfo.h"
 
-#include <kcolorscheme.h>
-#include <kdirlister.h>
-#include <kfileitem.h>
-#include <kio/previewjob.h>
-#include <kiconeffect.h>
-#include <kjob.h>
+#include <KColorScheme>
+#include <KDirLister>
+#include <KFileItem>
+#include <KIO/PreviewJob>
+#include <KIcon>
+#include <KIconEffect>
+#include <KJob>
+#include <KLocale>
 #include <konqmimedata.h>
 
 #include <QApplication>
 #include <QClipboard>
 #include <QHeaderView>
+#include <QLabel>
 #include <QPainter>
 #include <QPoint>
 #include <QScrollBar>
@@ -64,7 +67,9 @@ DolphinColumnView::DolphinColumnView(QWidget* parent,
     m_decorationSize(),
     m_dirLister(0),
     m_dolphinModel(0),
-    m_proxyModel(0)
+    m_proxyModel(0),
+    m_resizeWidget(0),
+    m_resizeXOrigin(-1)
 {
     setMouseTracking(true);
     setAcceptDrops(true);
@@ -76,6 +81,13 @@ DolphinColumnView::DolphinColumnView(QWidget* parent,
     setRootIsDecorated(false);
     setItemsExpandable(false);
     setEditTriggers(QAbstractItemView::NoEditTriggers);
+    setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
+
+    m_resizeWidget = new QLabel(this);
+    m_resizeWidget->setPixmap(KIcon("transform-move").pixmap(KIconLoader::SizeSmall));
+    m_resizeWidget->setToolTip(i18nc("@info:tooltip", "Resize column"));
+    setCornerWidget(m_resizeWidget);
+    m_resizeWidget->installEventFilter(this);
 
     const ColumnModeSettings* settings = DolphinSettings::instance().columnModeSettings();
     Q_ASSERT(settings != 0);
@@ -90,6 +102,9 @@ DolphinColumnView::DolphinColumnView(QWidget* parent,
         m_font.setPointSizeF(settings->fontSize());
     }
 
+    setMinimumWidth(settings->fontSize() * 10);
+    setMaximumWidth(settings->columnWidth());
+
     connect(this, SIGNAL(viewportEntered()),
             m_container->m_dolphinViewController, SLOT(emitViewportEntered()));
     connect(this, SIGNAL(entered(const QModelIndex&)),
@@ -105,6 +120,7 @@ DolphinColumnView::DolphinColumnView(QWidget* parent,
     m_dirLister->setDelayedMimeTypes(true);
     const bool showHiddenFiles = m_container->m_dolphinViewController->view()->showHiddenFiles();
     m_dirLister->setShowingDotFiles(showHiddenFiles);
+    connect(m_dirLister, SIGNAL(completed()), this, SLOT(slotDirListerCompleted()));
 
     m_dolphinModel = new DolphinModel(this);
     m_dolphinModel->setDirLister(m_dirLister);
@@ -133,7 +149,7 @@ DolphinColumnView::DolphinColumnView(QWidget* parent,
 
     updateDecorationSize(dolphinView->showPreview());
     updateBackground();
-    
+
     DolphinViewController* dolphinViewController = m_container->m_dolphinViewController;
     m_extensionsFactory = new ViewExtensionsFactory(this, dolphinViewController, viewModeController);
     m_extensionsFactory->fileItemDelegate()->setMinimizedNameColumn(true);
@@ -150,6 +166,7 @@ DolphinColumnView::~DolphinColumnView()
     m_dirLister = 0; // deleted by m_dolphinModel
 }
 
+
 void DolphinColumnView::setActive(bool active)
 {
     if (m_active != active) {
@@ -163,6 +180,34 @@ void DolphinColumnView::setActive(bool active)
     }
 }
 
+bool DolphinColumnView::isActive() const
+{
+    return m_active;
+}
+
+void DolphinColumnView::setChildUrl(const KUrl& url)
+{
+    m_childUrl = url;
+}
+
+KUrl DolphinColumnView::childUrl() const
+{
+    return m_childUrl;
+}
+
+void DolphinColumnView::setUrl(const KUrl& url)
+{
+    if (url != m_url) {
+        m_url = url;
+        m_dirLister->openUrl(url, KDirLister::NoFlags);
+    }
+}
+
+KUrl DolphinColumnView::url() const
+{
+    return m_url;
+}
+
 void DolphinColumnView::updateBackground()
 {
     // TODO: The alpha-value 150 is copied from DolphinView::setActive(). When
@@ -238,21 +283,15 @@ void DolphinColumnView::startDrag(Qt::DropActions supportedActions)
 
 void DolphinColumnView::dragEnterEvent(QDragEnterEvent* event)
 {
-    if (DragAndDropHelper::instance().isMimeDataSupported(event->mimeData())) {
-        event->acceptProposedAction();
-        requestActivation();
-    }
+    event->acceptProposedAction();
+    requestActivation();
     DolphinTreeView::dragEnterEvent(event);
 }
 
 void DolphinColumnView::dragMoveEvent(QDragMoveEvent* event)
 {
     DolphinTreeView::dragMoveEvent(event);
-
-    if (DragAndDropHelper::instance().isMimeDataSupported(event->mimeData())) {
-        // accept url drops, independently from the destination item
-        event->acceptProposedAction();
-    }
+    event->acceptProposedAction();
 }
 
 void DolphinColumnView::dropEvent(QDropEvent* event)
@@ -261,24 +300,25 @@ void DolphinColumnView::dropEvent(QDropEvent* event)
     m_container->m_dolphinViewController->setItemView(this);
     const QModelIndex dolphinModelIndex = m_proxyModel->mapToSource(index);
     const KFileItem item = m_dolphinModel->itemForIndex(dolphinModelIndex);
-    m_container->m_dolphinViewController->indicateDroppedUrls(item, url(), event);
+    m_container->m_dolphinViewController->indicateDroppedUrls(item, event);
     DolphinTreeView::dropEvent(event);
 }
 
 void DolphinColumnView::paintEvent(QPaintEvent* event)
 {
     if (!m_childUrl.isEmpty()) {
-        // indicate the shown URL of the next column by highlighting the shown folder item
+        // Indicate the shown URL of the next column by highlighting the shown folder item
         const QModelIndex dirIndex = m_dolphinModel->indexForUrl(m_childUrl);
         const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
         if (proxyIndex.isValid() && !selectionModel()->isSelected(proxyIndex)) {
-            const QRect itemRect = visualRect(proxyIndex);
             QPainter painter(viewport());
-            QColor color = KColorScheme(QPalette::Active, KColorScheme::View).foreground().color();
-            color.setAlpha(32);
-            painter.setPen(Qt::NoPen);
-            painter.setBrush(color);
-            painter.drawRect(itemRect);
+
+            QStyleOptionViewItemV4 option;
+            option.initFrom(this);
+            option.rect = visualRect(proxyIndex);
+            option.state = QStyle::State_Enabled | QStyle::State_HasFocus;
+            option.viewItemPosition = QStyleOptionViewItemV4::OnlyOne;
+            style()->drawPrimitive(QStyle::PE_FrameFocusRect, &option, &painter, this);
         }
     }
 
@@ -296,7 +336,7 @@ void DolphinColumnView::mousePressEvent(QMouseEvent* event)
 }
 
 void DolphinColumnView::keyPressEvent(QKeyEvent* event)
-{   
+{
     DolphinTreeView::keyPressEvent(event);
 
     DolphinViewController* controller = m_container->m_dolphinViewController;
@@ -379,6 +419,61 @@ bool DolphinColumnView::acceptsDrop(const QModelIndex& index) const
     return false;
 }
 
+bool DolphinColumnView::eventFilter(QObject* watched, QEvent* event)
+{
+    if (watched == m_resizeWidget) {
+        switch (event->type()) {
+        case QEvent::MouseButtonPress: {
+            // Initiate the resizing of the column
+            QMouseEvent* mouseEvent = static_cast<QMouseEvent*>(event);
+            m_resizeXOrigin = mouseEvent->globalX();
+            m_resizeWidget->setMouseTracking(true);
+            event->accept();
+            return true;
+        }
+
+        case QEvent::MouseButtonDblClick: {
+            // Reset the column width to the default value
+            const ColumnModeSettings* settings = DolphinSettings::instance().columnModeSettings();
+            setMaximumWidth(settings->columnWidth());
+            m_container->layoutColumns();
+            m_resizeWidget->setMouseTracking(false);
+            m_resizeXOrigin = -1;
+            event->accept();
+            return true;
+        }
+
+        case QEvent::MouseMove: {
+            // Resize the column and trigger a relayout of the container
+            QMouseEvent* mouseEvent = static_cast<QMouseEvent*>(event);
+            int requestedWidth = maximumWidth() - m_resizeXOrigin + mouseEvent->globalX();;
+            if (requestedWidth < minimumWidth()) {
+                requestedWidth = minimumWidth();
+            }
+            setMaximumWidth(requestedWidth);
+
+            m_container->layoutColumns();
+
+            m_resizeXOrigin = mouseEvent->globalX();
+
+            event->accept();
+            return true;
+        }
+
+        case QEvent::MouseButtonRelease: {
+            // The resizing has been finished
+            m_resizeWidget->setMouseTracking(false);
+            m_resizeXOrigin = -1;
+            event->accept();
+            return true;
+        }
+
+        default:
+            break;
+        }
+    }
+    return DolphinTreeView::eventFilter(watched, event);
+}
 void DolphinColumnView::setZoomLevel(int level)
 {
     const int size = ZoomLevelInfo::iconSizeForZoomLevel(level);
@@ -425,6 +520,34 @@ void DolphinColumnView::slotShowPreviewChanged()
     updateDecorationSize(view->showPreview());
 }
 
+void DolphinColumnView::slotDirListerCompleted()
+{
+    if (!m_childUrl.isEmpty()) {
+        return;
+    }
+
+    // Try to optimize the width of the column, so that no name gets clipped
+    const int requiredWidth = sizeHintForColumn(DolphinModel::Name);
+
+    const ColumnModeSettings* settings = DolphinSettings::instance().columnModeSettings();
+    if (requiredWidth > settings->columnWidth()) {
+        int frameAroundContents = 0;
+        if (style()->styleHint(QStyle::SH_ScrollView_FrameOnlyAroundContents)) {
+            // TODO: Using 2 PM_DefaultFrameWidths are not sufficient. Check Qt-code
+            // for other pixelmetrics that should be added...
+            frameAroundContents = style()->pixelMetric(QStyle::PM_DefaultFrameWidth) * 4;
+        }
+
+        const int scrollBarWidth = style()->pixelMetric(QStyle::PM_ScrollBarExtent, 0, verticalScrollBar());
+
+        setMaximumWidth(requiredWidth + frameAroundContents + scrollBarWidth);
+        m_container->layoutColumns();
+        if (m_active) {
+            m_container->assureVisibleActiveColumn();
+        }
+    }
+}
+
 void DolphinColumnView::activate()
 {
     setFocus(Qt::OtherFocusReason);
@@ -464,7 +587,7 @@ void DolphinColumnView::deactivate()
     selectionModel()->setCurrentIndex(current, QItemSelectionModel::NoUpdate);
     connect(selectionModel(), SIGNAL(selectionChanged(QItemSelection, QItemSelection)),
             this, SLOT(requestActivation()));
-    
+
     updateBackground();
 }