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[dolphin.git] / src / dolphincolumnview.cpp
index 5af15c56b8160053904ae90714c1bafc6f79a1cc..1ed8b6b82740e1ca5357b15a23cd5967b2d5c566 100644 (file)
 
 #include "dolphincolumnview.h"
 
-#include "dolphinmodel.h"
 #include "dolphincolumnwidget.h"
 #include "dolphincontroller.h"
-#include "dolphindirlister.h"
-#include "dolphinmodel.h"
-#include "dolphinsortfilterproxymodel.h"
 #include "dolphinsettings.h"
 
 #include "dolphin_columnmodesettings.h"
 
-#include <kcolorutils.h>
-#include <kcolorscheme.h>
-#include <kdirlister.h>
-
-#include <QAbstractProxyModel>
-#include <QApplication>
 #include <QPoint>
 #include <QScrollBar>
-#include <QTimer>
 #include <QTimeLine>
 
 DolphinColumnView::DolphinColumnView(QWidget* parent, DolphinController* controller) :
     QAbstractItemView(parent),
     m_controller(controller),
-    m_restoreActiveColumnFocus(false),
+    m_active(false),
     m_index(-1),
     m_contentX(0),
     m_columns(),
-    m_animation(0)
+    m_emptyViewport(0),
+    m_animation(0),
+    m_nameFilter()
 {
     Q_ASSERT(controller != 0);
 
@@ -55,19 +46,27 @@ DolphinColumnView::DolphinColumnView(QWidget* parent, DolphinController* control
     setDragDropMode(QAbstractItemView::DragDrop);
     setDropIndicatorShown(false);
     setSelectionMode(ExtendedSelection);
+    setFocusPolicy(Qt::NoFocus);
+    setFrameShape(QFrame::NoFrame);
 
-    connect(this, SIGNAL(entered(const QModelIndex&)),
-            controller, SLOT(emitItemEntered(const QModelIndex&)));
     connect(this, SIGNAL(viewportEntered()),
             controller, SLOT(emitViewportEntered()));
     connect(controller, SIGNAL(zoomIn()),
             this, SLOT(zoomIn()));
     connect(controller, SIGNAL(zoomOut()),
             this, SLOT(zoomOut()));
-    connect(controller, SIGNAL(showHiddenFilesChanged(bool)),
-            this, SLOT(slotShowHiddenFilesChanged(bool)));
-    connect(controller, SIGNAL(showPreviewChanged(bool)),
-            this, SLOT(slotShowPreviewChanged(bool)));
+    connect(controller, SIGNAL(activationChanged(bool)),
+            this, SLOT(updateColumnsBackground(bool)));
+
+    const DolphinView* view = controller->dolphinView();
+    connect(view, SIGNAL(sortingChanged(DolphinView::Sorting)),
+            this, SLOT(slotSortingChanged(DolphinView::Sorting)));
+    connect(view, SIGNAL(sortOrderChanged(Qt::SortOrder)),
+            this, SLOT(slotSortOrderChanged(Qt::SortOrder)));
+    connect(view, SIGNAL(showHiddenFilesChanged()),
+            this, SLOT(slotShowHiddenFilesChanged()));
+    connect(view, SIGNAL(showPreviewChanged()),
+            this, SLOT(slotShowPreviewChanged()));
 
     connect(horizontalScrollBar(), SIGNAL(valueChanged(int)),
             this, SLOT(moveContentHorizontally(int)));
@@ -79,16 +78,11 @@ DolphinColumnView::DolphinColumnView(QWidget* parent, DolphinController* control
     m_columns.append(column);
     setActiveColumnIndex(0);
 
-    updateDecorationSize();
-
-    // dim the background of the viewport
-    QColor bgColor = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
-    const QColor fgColor = KColorScheme(QPalette::Active, KColorScheme::View).foreground().color();
-    bgColor = KColorUtils::mix(bgColor, fgColor, 0.04);
+    m_emptyViewport = new QFrame(viewport());
+    m_emptyViewport->setFrameStyle(QFrame::StyledPanel | QFrame::Sunken);
 
-    QPalette palette = viewport()->palette();
-    palette.setColor(viewport()->backgroundRole(), bgColor);
-    viewport()->setPalette(palette);
+    updateDecorationSize();
+    updateColumnsBackground(true);
 }
 
 DolphinColumnView::~DolphinColumnView()
@@ -145,6 +139,21 @@ void DolphinColumnView::setRootUrl(const KUrl& url)
     m_columns[0]->setUrl(url);
 }
 
+void DolphinColumnView::setNameFilter(const QString& nameFilter)
+{
+    if (nameFilter != m_nameFilter) {
+        m_nameFilter = nameFilter;
+        foreach (DolphinColumnWidget* column, m_columns) {
+            column->setNameFilter(nameFilter);
+        }
+    }
+}
+
+QString DolphinColumnView::nameFilter() const
+{
+    return m_nameFilter;
+}
+
 KUrl DolphinColumnView::rootUrl() const
 {
     return m_columns[0]->url();
@@ -152,8 +161,7 @@ KUrl DolphinColumnView::rootUrl() const
 
 void DolphinColumnView::showColumn(const KUrl& url)
 {
-    const KUrl& rootUrl = m_columns[0]->url();
-    if (!rootUrl.isParentOf(url)) {
+    if (!rootUrl().isParentOf(url)) {
         setRootUrl(url);
         return;
     }
@@ -163,6 +171,7 @@ void DolphinColumnView::showColumn(const KUrl& url)
         if (column->url() == url) {
             // the column represents already the requested URL, hence activate it
             requestActivation(column);
+            layoutColumns();
             return;
         } else if (!column->url().isParentOf(url)) {
             // the column is no parent of the requested URL, hence
@@ -215,6 +224,10 @@ void DolphinColumnView::showColumn(const KUrl& url)
             columnIndex++;
 
             DolphinColumnWidget* column = new DolphinColumnWidget(viewport(), this, childUrl);
+            const QString filter = nameFilter();
+            if (!filter.isEmpty()) {
+                column->setNameFilter(filter);
+            }
             column->setActive(false);
 
             m_columns.append(column);
@@ -236,6 +249,11 @@ void DolphinColumnView::showColumn(const KUrl& url)
     assureVisibleActiveColumn();
 }
 
+void DolphinColumnView::editItem(const KFileItem& item)
+{
+    activeColumn()->editItem(item);
+}
+
 void DolphinColumnView::selectAll()
 {
     activeColumn()->selectAll();
@@ -270,12 +288,14 @@ QModelIndex DolphinColumnView::moveCursor(CursorAction cursorAction, Qt::Keyboar
     case MoveLeft:
         if (m_index > 0) {
             setActiveColumnIndex(m_index - 1);
+            m_controller->triggerUrlChangeRequest(activeColumn()->url());
         }
         break;
 
     case MoveRight:
         if (m_index < m_columns.count() - 1) {
             setActiveColumnIndex(m_index + 1);
+            m_controller->triggerUrlChangeRequest(m_columns[m_index]->url());
         }
         break;
 
@@ -290,13 +310,12 @@ void DolphinColumnView::setSelection(const QRect& rect, QItemSelectionModel::Sel
 {
     Q_UNUSED(rect);
     Q_UNUSED(flags);
-    //activeColumn()->setSelection(rect, flags);
 }
 
 QRegion DolphinColumnView::visualRegionForSelection(const QItemSelection& selection) const
 {
     Q_UNUSED(selection);
-    return QRegion(); //activeColumn()->visualRegionForSelection(selection);
+    return QRegion();
 }
 
 int DolphinColumnView::horizontalOffset() const
@@ -311,7 +330,7 @@ int DolphinColumnView::verticalOffset() const
 
 void DolphinColumnView::mousePressEvent(QMouseEvent* event)
 {
-    m_controller->triggerActivation();
+    m_controller->requestActivation();
     QAbstractItemView::mousePressEvent(event);
 }
 
@@ -320,6 +339,17 @@ void DolphinColumnView::resizeEvent(QResizeEvent* event)
     QAbstractItemView::resizeEvent(event);
     layoutColumns();
     updateScrollBar();
+    assureVisibleActiveColumn();
+}
+
+void DolphinColumnView::wheelEvent(QWheelEvent* event)
+{
+    // let Ctrl+wheel events propagate to the DolphinView for icon zooming
+    if ((event->modifiers() & Qt::ControlModifier) == Qt::ControlModifier) {
+        event->ignore();
+       return;
+    }
+    QAbstractItemView::wheelEvent(event);
 }
 
 void DolphinColumnView::zoomIn()
@@ -358,11 +388,13 @@ void DolphinColumnView::updateDecorationSize()
 {
     ColumnModeSettings* settings = DolphinSettings::instance().columnModeSettings();
     const int iconSize = settings->iconSize();
+    const QSize size(iconSize, iconSize);
+    setIconSize(size);
 
     foreach (QObject* object, viewport()->children()) {
         if (object->inherits("QListView")) {
             DolphinColumnWidget* widget = static_cast<DolphinColumnWidget*>(object);
-            widget->setDecorationSize(QSize(iconSize, iconSize));
+            widget->setDecorationSize(size);
         }
     }
 
@@ -372,15 +404,53 @@ void DolphinColumnView::updateDecorationSize()
     doItemsLayout();
 }
 
-void DolphinColumnView::slotShowHiddenFilesChanged(bool show)
+void DolphinColumnView::updateColumnsBackground(bool active)
+{
+    if (active == m_active) {
+        return;
+    }
+
+    m_active = active;
+
+    // dim the background of the viewport
+    const QPalette::ColorRole role = viewport()->backgroundRole();
+    QColor background = viewport()->palette().color(role);
+    background.setAlpha(0);  // make background transparent
+
+    QPalette palette = viewport()->palette();
+    palette.setColor(role, background);
+    viewport()->setPalette(palette);
+
+    foreach (DolphinColumnWidget* column, m_columns) {
+        column->updateBackground();
+    }
+}
+
+void DolphinColumnView::slotSortingChanged(DolphinView::Sorting sorting)
+{
+    foreach (DolphinColumnWidget* column, m_columns) {
+        column->setSorting(sorting);
+    }
+}
+
+void DolphinColumnView::slotSortOrderChanged(Qt::SortOrder order)
+{
+    foreach (DolphinColumnWidget* column, m_columns) {
+        column->setSortOrder(order);
+    }
+}
+
+void DolphinColumnView::slotShowHiddenFilesChanged()
 {
+    const bool show = m_controller->dolphinView()->showHiddenFiles();
     foreach (DolphinColumnWidget* column, m_columns) {
         column->setShowHiddenFiles(show);
     }
 }
 
-void DolphinColumnView::slotShowPreviewChanged(bool show)
+void DolphinColumnView::slotShowPreviewChanged()
 {
+    const bool show = m_controller->dolphinView()->showPreview();
     foreach (DolphinColumnWidget* column, m_columns) {
         column->setShowPreview(show);
     }
@@ -412,36 +482,45 @@ void DolphinColumnView::setActiveColumnIndex(int index)
     m_index = index;
     m_columns[m_index]->setActive(true);
 
-    m_controller->setUrl(m_columns[m_index]->url());
-
     assureVisibleActiveColumn();
 }
 
 void DolphinColumnView::layoutColumns()
 {
+    const int gap = 4;
+
     ColumnModeSettings* settings = DolphinSettings::instance().columnModeSettings();
     const int columnWidth = settings->columnWidth();
+
+    QRect emptyViewportRect;
     if (isRightToLeft()) {
         int x = viewport()->width() - columnWidth + m_contentX;
         foreach (DolphinColumnWidget* column, m_columns) {
-            column->setGeometry(QRect(x, 0, columnWidth, viewport()->height()));
+            column->setGeometry(QRect(x, 0, columnWidth - gap, viewport()->height()));
             x -= columnWidth;
         }
+        emptyViewportRect = QRect(0, 0, x + columnWidth - gap, viewport()->height());
     } else {
         int x = m_contentX;
         foreach (DolphinColumnWidget* column, m_columns) {
-            column->setGeometry(QRect(x, 0, columnWidth, viewport()->height()));
+            column->setGeometry(QRect(x, 0, columnWidth - gap, viewport()->height()));
             x += columnWidth;
         }
+        emptyViewportRect = QRect(x, 0, viewport()->width() - x - gap, viewport()->height());
+    }
+
+    if (emptyViewportRect.isValid()) {
+        m_emptyViewport->show();
+        m_emptyViewport->setGeometry(emptyViewportRect);
+    } else {
+        m_emptyViewport->hide();
     }
 }
 
 void DolphinColumnView::updateScrollBar()
 {
-    int contentWidth = 0;
-    foreach (DolphinColumnWidget* column, m_columns) {
-        contentWidth += column->width();
-    }
+    ColumnModeSettings* settings = DolphinSettings::instance().columnModeSettings();
+    const int contentWidth = m_columns.count() * settings->columnWidth();
 
     horizontalScrollBar()->setPageStep(contentWidth);
     horizontalScrollBar()->setRange(0, contentWidth - viewport()->width());
@@ -451,7 +530,10 @@ void DolphinColumnView::assureVisibleActiveColumn()
 {
     const int viewportWidth = viewport()->width();
     const int x = activeColumn()->x();
-    const int width = activeColumn()->width();
+
+    ColumnModeSettings* settings = DolphinSettings::instance().columnModeSettings();
+    const int width = settings->columnWidth();
+
     if (x + width > viewportWidth) {
         const int newContentX = m_contentX - x - width + viewportWidth;
         if (isRightToLeft()) {
@@ -459,7 +541,9 @@ void DolphinColumnView::assureVisibleActiveColumn()
         } else {
             m_animation->setFrameRange(-m_contentX, -newContentX);
         }
-        m_animation->start();
+        if (m_animation->state() != QTimeLine::Running) {
+           m_animation->start();
+        }
     } else if (x < 0) {
         const int newContentX = m_contentX - x;
         if (isRightToLeft()) {
@@ -467,12 +551,15 @@ void DolphinColumnView::assureVisibleActiveColumn()
         } else {
             m_animation->setFrameRange(-m_contentX, -newContentX);
         }
-        m_animation->start();
+        if (m_animation->state() != QTimeLine::Running) {
+           m_animation->start();
+        }
     }
 }
 
 void DolphinColumnView::requestActivation(DolphinColumnWidget* column)
 {
+    m_controller->setItemView(column);
     if (column->isActive()) {
         assureVisibleActiveColumn();
     } else {