X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/f8dd060cadecd9f4c36b79d53dbae706dadf99f6..20aedc53294376e05b79da5ea775f740b7a1aa49:/src/dolphiniconsview.cpp diff --git a/src/dolphiniconsview.cpp b/src/dolphiniconsview.cpp index 71bf7c76f..d2bac6b13 100644 --- a/src/dolphiniconsview.cpp +++ b/src/dolphiniconsview.cpp @@ -21,43 +21,74 @@ #include "dolphincontroller.h" #include "dolphinsettings.h" +#include "dolphinitemcategorizer.h" #include "dolphin_iconsmodesettings.h" -#include -#include -#include +#include #include +#include +#include +#include DolphinIconsView::DolphinIconsView(QWidget* parent, DolphinController* controller) : - QListView(parent), - m_controller(controller) + KListView(parent), + m_controller(controller), + m_dragging(false) { - assert(controller != 0); + 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&)), + 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(slotShowPreviewChanged(bool))); + connect(controller, SIGNAL(showAdditionalInfoChanged(bool)), + this, SLOT(slotShowAdditionalInfoChanged(bool))); + connect(controller, SIGNAL(zoomIn()), + this, SLOT(zoomIn())); + connect(controller, SIGNAL(zoomOut()), + this, SLOT(zoomOut())); // apply the icons mode settings to the widget const IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings(); - assert(settings != 0); + Q_ASSERT(settings != 0); - if (settings->arrangement() == QListView::TopToBottom) { - setViewMode(QListView::IconMode); - } - else { - setViewMode(QListView::ListMode); - } + 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; - setGridSize(QSize(settings->gridWidth(), settings->gridHeight())); - setSpacing(settings->gridSpacing()); + setWordWrap(settings->numberOfTextlines() > 1); + updateGridSize(controller->showPreview(), controller->showAdditionalInfo()); - m_viewOptions = QListView::viewOptions(); - m_viewOptions.font = QFont(settings->fontFamily(), settings->fontSize()); - const int iconSize = settings->iconSize(); - m_viewOptions.decorationSize = QSize(iconSize, iconSize); + if (settings->arrangement() == QListView::TopToBottom) { + setFlow(QListView::LeftToRight); + m_viewOptions.decorationPosition = QStyleOptionViewItem::Top; + } else { + setFlow(QListView::TopToBottom); + m_viewOptions.decorationPosition = QStyleOptionViewItem::Left; + m_viewOptions.displayAlignment = Qt::AlignLeft | Qt::AlignVCenter; + } } DolphinIconsView::~DolphinIconsView() @@ -71,14 +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) @@ -86,18 +124,205 @@ 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) { const KUrl::List urls = KUrl::List::fromMimeData(event->mimeData()); - if (urls.isEmpty() || (event->source() == this)) { - QListView::dropEvent(event); - } - else { + if (!urls.isEmpty()) { + m_controller->indicateDroppedUrls(urls, + indexAt(event->pos()), + event->source()); event->acceptProposedAction(); - m_controller->indicateDroppedUrls(urls, event->pos()); } + KListView::dropEvent(event); + m_dragging = false; +} + +void DolphinIconsView::paintEvent(QPaintEvent* event) +{ + 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); + } +} + +void DolphinIconsView::slotShowPreviewChanged(bool showPreview) +{ + updateGridSize(showPreview, m_controller->showAdditionalInfo()); +} + +void DolphinIconsView::slotShowAdditionalInfoChanged(bool showAdditionalInfo) +{ + updateGridSize(m_controller->showPreview(), showAdditionalInfo); +} + +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 { + newIconSize = increasedIconSize(oldIconSize); + settings->setIconSize(newIconSize); + if (settings->previewSize() < newIconSize) { + // assure that the preview size is always >= the icon size + settings->setPreviewSize(newIconSize); + } + } + + // 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()); + } +} + +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 + newIconSize = previewSize; + settings->setIconSize(newIconSize); + } + } else { + newIconSize = decreasedIconSize(settings->iconSize()); + settings->setIconSize(newIconSize); + } + + // 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()); + } +} + +bool DolphinIconsView::isZoomInPossible() const +{ + IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings(); + const int size = m_controller->showPreview() ? settings->previewSize() : settings->iconSize(); + return size < K3Icon::SizeEnormous; +} + +bool DolphinIconsView::isZoomOutPossible() const +{ + IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings(); + const int size = m_controller->showPreview() ? settings->previewSize() : settings->iconSize(); + return size > K3Icon::SizeSmall; +} + +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; + } + return incSize; +} + +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; + } + 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"