X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/be9746e87bb6a42e641dbf36c528a60fb564420a..2e6dc566dd2f2027203df72302aa75110a31c4ae:/src/dolphincolumnview.cpp diff --git a/src/dolphincolumnview.cpp b/src/dolphincolumnview.cpp index 72173538e..32a8553f9 100644 --- a/src/dolphincolumnview.cpp +++ b/src/dolphincolumnview.cpp @@ -24,8 +24,221 @@ #include "dolphin_columnmodesettings.h" -#include -#include +#include +#include +#include +#include + +#include +#include + +/** + * Represents one column inside the DolphinColumnView and has been + * extended to respect view options and hovering information. + */ +class ColumnWidget : public QListView +{ +public: + ColumnWidget(QWidget* parent, + DolphinColumnView* columnView, + const KUrl& url); + virtual ~ColumnWidget(); + + /** Sets the size of the icons. */ + void setDecorationSize(const QSize& size); + + /** + * An active column is defined as column, which shows the same URL + * as indicated by the URL navigator. The active column is usually + * drawn in a lighter color. All operations are applied to this column. + */ + void setActive(bool active); + + inline const KUrl& url() const; + +protected: + virtual QStyleOptionViewItem viewOptions() const; + virtual void dragEnterEvent(QDragEnterEvent* event); + virtual void dragLeaveEvent(QDragLeaveEvent* event); + virtual void dragMoveEvent(QDragMoveEvent* event); + virtual void dropEvent(QDropEvent* event); + virtual void mousePressEvent(QMouseEvent* event); + virtual void paintEvent(QPaintEvent* event); + +private: + /** Used by ColumnWidget::setActive(). */ + void activate(); + + /** Used by ColumnWidget::setActive(). */ + void deactivate(); + +private: + bool m_active; + KUrl m_url; + DolphinColumnView* m_columnView; + QStyleOptionViewItem m_viewOptions; + + bool m_dragging; // TODO: remove this property when the issue #160611 is solved in Qt 4.4 + QRect m_dropRect; // TODO: remove this property when the issue #160611 is solved in Qt 4.4 +}; + +ColumnWidget::ColumnWidget(QWidget* parent, + DolphinColumnView* columnView, + const KUrl& url) : + QListView(parent), + m_active(true), + m_url(url), + m_columnView(columnView), + m_dragging(false), + m_dropRect() +{ + setAcceptDrops(true); + setDragDropMode(QAbstractItemView::DragDrop); + setDropIndicatorShown(false); + + setMouseTracking(true); + viewport()->setAttribute(Qt::WA_Hover); + + // apply the column mode settings to the widget + const ColumnModeSettings* settings = DolphinSettings::instance().columnModeSettings(); + Q_ASSERT(settings != 0); + + m_viewOptions = QListView::viewOptions(); + + QFont font(settings->fontFamily(), settings->fontSize()); + font.setItalic(settings->italicFont()); + font.setBold(settings->boldFont()); + m_viewOptions.font = font; + + const int iconSize = settings->iconSize(); + m_viewOptions.decorationSize = QSize(iconSize, iconSize); + + activate(); +} + +ColumnWidget::~ColumnWidget() +{ +} + +void ColumnWidget::setDecorationSize(const QSize& size) +{ + m_viewOptions.decorationSize = size; + doItemsLayout(); +} + +void ColumnWidget::setActive(bool active) +{ + if (m_active == active) { + return; + } + + m_active = active; + + if (active) { + activate(); + } else { + deactivate(); + } +} + +const KUrl& ColumnWidget::url() const +{ + return m_url; +} + +QStyleOptionViewItem ColumnWidget::viewOptions() const +{ + return m_viewOptions; +} + +void ColumnWidget::dragEnterEvent(QDragEnterEvent* event) +{ + if (event->mimeData()->hasUrls()) { + event->acceptProposedAction(); + } + + m_dragging = true; +} + +void ColumnWidget::dragLeaveEvent(QDragLeaveEvent* event) +{ + QListView::dragLeaveEvent(event); + + // TODO: remove this code when the issue #160611 is solved in Qt 4.4 + m_dragging = false; + setDirtyRegion(m_dropRect); +} + +void ColumnWidget::dragMoveEvent(QDragMoveEvent* event) +{ + QListView::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 ColumnWidget::dropEvent(QDropEvent* event) +{ + const KUrl::List urls = KUrl::List::fromMimeData(event->mimeData()); + if (!urls.isEmpty()) { + event->acceptProposedAction(); + m_columnView->m_controller->indicateDroppedUrls(urls, + indexAt(event->pos()), + event->source()); + } + QListView::dropEvent(event); + m_dragging = false; +} + +void ColumnWidget::mousePressEvent(QMouseEvent* event) +{ + if (m_active || indexAt(event->pos()).isValid()) { + // Only accept the mouse press event in inactive views, + // if a click is done on an item. This assures that + // the current selection, which usually shows the + // the directory for next column, won't get deleted. + QListView::mousePressEvent(event); + } +} + +void ColumnWidget::paintEvent(QPaintEvent* event) +{ + QListView::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); + } +} + +void ColumnWidget::activate() +{ + const QColor bgColor = KColorScheme(KColorScheme::View).background(); + QPalette palette = viewport()->palette(); + palette.setColor(viewport()->backgroundRole(), bgColor); + viewport()->setPalette(palette); + + setSelectionMode(MultiSelection); +} + +void ColumnWidget::deactivate() +{ + QColor bgColor = KColorScheme(KColorScheme::View).background(); + const QColor fgColor = KColorScheme(KColorScheme::View).foreground(); + bgColor = KColorUtils::mix(bgColor, fgColor, 0.04); + + QPalette palette = viewport()->palette(); + palette.setColor(viewport()->backgroundRole(), bgColor); + viewport()->setPalette(palette); + + setSelectionMode(SingleSelection); +} + +// --- DolphinColumnView::DolphinColumnView(QWidget* parent, DolphinController* controller) : QColumnView(parent), @@ -38,18 +251,15 @@ DolphinColumnView::DolphinColumnView(QWidget* parent, DolphinController* control setDragDropMode(QAbstractItemView::DragDrop); setDropIndicatorShown(false); - setMouseTracking(true); - viewport()->setAttribute(Qt::WA_Hover); - if (KGlobalSettings::singleClick()) { connect(this, SIGNAL(clicked(const QModelIndex&)), - controller, SLOT(triggerItem(const QModelIndex&))); + this, SLOT(triggerItem(const QModelIndex&))); } else { connect(this, SIGNAL(doubleClicked(const QModelIndex&)), - controller, SLOT(triggerItem(const QModelIndex&))); + this, SLOT(triggerItem(const QModelIndex&))); } connect(this, SIGNAL(activated(const QModelIndex&)), - controller, SLOT(triggerItem(const QModelIndex&))); + this, SLOT(triggerItem(const QModelIndex&))); connect(this, SIGNAL(entered(const QModelIndex&)), controller, SLOT(emitItemEntered(const QModelIndex&))); connect(this, SIGNAL(viewportEntered()), @@ -59,17 +269,6 @@ DolphinColumnView::DolphinColumnView(QWidget* parent, DolphinController* control connect(controller, SIGNAL(zoomOut()), this, SLOT(zoomOut())); - // apply the column mode settings to the widget - const ColumnModeSettings* settings = DolphinSettings::instance().columnModeSettings(); - Q_ASSERT(settings != 0); - - m_viewOptions = QColumnView::viewOptions(); - - QFont font(settings->fontFamily(), settings->fontSize()); - font.setItalic(settings->italicFont()); - font.setBold(settings->boldFont()); - m_viewOptions.font = font; - updateDecorationSize(); } @@ -77,9 +276,66 @@ DolphinColumnView::~DolphinColumnView() { } -QStyleOptionViewItem DolphinColumnView::viewOptions() const +QAbstractItemView* DolphinColumnView::createColumn(const QModelIndex& index) { - return m_viewOptions; + // To be able to visually indicate whether a column is active (which means + // that it represents the content of the URL navigator), the column + // must remember its URL. + const QAbstractProxyModel* proxyModel = static_cast(model()); + const KDirModel* dirModel = static_cast(proxyModel->sourceModel()); + + const QModelIndex dirModelIndex = proxyModel->mapToSource(index); + KFileItem* fileItem = dirModel->itemForIndex(dirModelIndex); + + KUrl columnUrl; + if (fileItem != 0) { + columnUrl = fileItem->url(); + } + + ColumnWidget* view = new ColumnWidget(viewport(), + this, + columnUrl); + + // The following code has been copied 1:1 from QColumnView::createColumn(). + // Copyright (C) 1992-2007 Trolltech ASA. + // It would be nice if QColumnView would offer a protected method for this + // (already send input to Benjamin, hopefully possible in Qt4.4) + + view->setFrameShape(QFrame::NoFrame); + view->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff); + view->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn); + view->setMinimumWidth(100); + view->setAttribute(Qt::WA_MacShowFocusRect, false); + + // copy the 'view' behavior + view->setDragDropMode(dragDropMode()); + view->setDragDropOverwriteMode(dragDropOverwriteMode()); + view->setDropIndicatorShown(showDropIndicator()); + view->setAlternatingRowColors(alternatingRowColors()); + view->setAutoScroll(hasAutoScroll()); + view->setEditTriggers(editTriggers()); + view->setHorizontalScrollMode(horizontalScrollMode()); + view->setIconSize(iconSize()); + view->setSelectionBehavior(selectionBehavior()); + view->setSelectionMode(selectionMode()); + view->setTabKeyNavigation(tabKeyNavigation()); + view->setTextElideMode(textElideMode()); + view->setVerticalScrollMode(verticalScrollMode()); + + view->setModel(model()); + + // set the delegate to be the columnview delegate + QAbstractItemDelegate* delegate = view->itemDelegate(); + view->setItemDelegate(itemDelegate()); + delete delegate; + + view->setRootIndex(index); + + if (model()->canFetchMore(index)) { + model()->fetchMore(index); + } + + return view; } void DolphinColumnView::contextMenuEvent(QContextMenuEvent* event) @@ -141,6 +397,21 @@ void DolphinColumnView::zoomOut() } } +void DolphinColumnView::triggerItem(const QModelIndex& index) +{ + m_controller->triggerItem(index); + + // Update the activation state of all columns. Only the column + // which represents the URL of the URL navigator is marked as active. + const KUrl& navigatorUrl = m_controller->url(); + foreach (QObject* object, viewport()->children()) { + if (object->inherits("QListView")) { + ColumnWidget* widget = static_cast(object); + widget->setActive(navigatorUrl == widget->url()); + } + } +} + bool DolphinColumnView::isZoomInPossible() const { ColumnModeSettings* settings = DolphinSettings::instance().columnModeSettings(); @@ -157,7 +428,13 @@ void DolphinColumnView::updateDecorationSize() { ColumnModeSettings* settings = DolphinSettings::instance().columnModeSettings(); const int iconSize = settings->iconSize(); - m_viewOptions.decorationSize = QSize(iconSize, iconSize); + + foreach (QObject* object, viewport()->children()) { + if (object->inherits("QListView")) { + ColumnWidget* widget = static_cast(object); + widget->setDecorationSize(QSize(iconSize, iconSize)); + } + } m_controller->setZoomInPossible(isZoomInPossible()); m_controller->setZoomOutPossible(isZoomOutPossible());