/***************************************************************************
- * Copyright (C) 2006 by Peter Penz (peter.penz@gmx.at) *
+ * Copyright (C) 2006-2009 by Peter Penz <peter.penz@gmx.at> *
* *
* 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 "dolphincategorydrawer.h"
#include "dolphincontroller.h"
-#include "dolphinsettings.h"
+#include "settings/dolphinsettings.h"
+#include "dolphinsortfilterproxymodel.h"
#include "dolphin_iconsmodesettings.h"
#include "dolphin_generalsettings.h"
#include "draganddrophelper.h"
#include "selectionmanager.h"
+#include "viewextensionsfactory.h"
+#include "zoomlevelinfo.h"
#include <kcategorizedsortfilterproxymodel.h>
#include <kdialog.h>
-#include <kdirmodel.h>
+#include <kfileitemdelegate.h>
#include <QAbstractProxyModel>
#include <QApplication>
-#include <QPainter>
-#include <QPoint>
#include <QScrollBar>
-DolphinIconsView::DolphinIconsView(QWidget* parent, DolphinController* controller) :
+DolphinIconsView::DolphinIconsView(QWidget* parent,
+ DolphinController* controller,
+ DolphinSortFilterProxyModel* proxyModel) :
KCategorizedView(parent),
m_controller(controller),
m_categoryDrawer(0),
+ m_extensionsFactory(0),
m_font(),
m_decorationSize(),
m_decorationPosition(QStyleOptionViewItem::Top),
m_dropRect()
{
Q_ASSERT(controller != 0);
+ setModel(proxyModel);
+ setLayoutDirection(Qt::LeftToRight);
setViewMode(QListView::IconMode);
setResizeMode(QListView::Adjust);
- setSpacing(KDialog::spacingHint());
setMovement(QListView::Static);
setDragEnabled(true);
+ setEditTriggers(QAbstractItemView::NoEditTriggers);
viewport()->setAcceptDrops(true);
setMouseTracking(true);
- // TODO: Connecting to the signal 'activated()' is not possible, as kstyle
- // does not forward the single vs. doubleclick to it yet (KDE 4.1?). Hence it is
- // necessary connecting the signal 'singleClick()' or 'doubleClick' and to handle the
- // RETURN-key in keyPressEvent().
+ connect(this, SIGNAL(clicked(const QModelIndex&)),
+ controller, SLOT(requestTab(const QModelIndex&)));
if (KGlobalSettings::singleClick()) {
connect(this, SIGNAL(clicked(const QModelIndex&)),
controller, SLOT(triggerItem(const QModelIndex&)));
- if (DolphinSettings::instance().generalSettings()->showSelectionToggle()) {
- SelectionManager* selManager = new SelectionManager(this);
- connect(selManager, SIGNAL(selectionChanged()),
- this, SLOT(requestActivation()));
- connect(m_controller, SIGNAL(urlChanged(const KUrl&)),
- selManager, SLOT(reset()));
- }
} else {
connect(this, SIGNAL(doubleClicked(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(zoomIn()),
- this, SLOT(zoomIn()));
- connect(controller, SIGNAL(zoomOut()),
- this, SLOT(zoomOut()));
+ connect(controller, SIGNAL(zoomLevelChanged(int)),
+ this, SLOT(setZoomLevel(int)));
const DolphinView* view = controller->dolphinView();
connect(view, SIGNAL(showPreviewChanged()),
}
setWordWrap(settings->numberOfTextlines() > 1);
- updateGridSize(view->showPreview(), 0);
if (settings->arrangement() == QListView::TopToBottom) {
setFlow(QListView::LeftToRight);
setFocus();
- connect(KGlobalSettings::self(), SIGNAL(kdisplayFontChanged()),
- this, SLOT(updateFont()));
+ connect(KGlobalSettings::self(), SIGNAL(settingsChanged(int)),
+ this, SLOT(slotGlobalSettingsChanged(int)));
+
+ updateGridSize(view->showPreview(), 0);
+ m_extensionsFactory = new ViewExtensionsFactory(this, controller);
}
DolphinIconsView::~DolphinIconsView()
m_categoryDrawer = 0;
}
-QRect DolphinIconsView::visualRect(const QModelIndex& index) const
+void DolphinIconsView::dataChanged(const QModelIndex& topLeft, const QModelIndex& bottomRight)
{
- const bool leftToRightFlow = (flow() == QListView::LeftToRight);
-
- QRect itemRect = KCategorizedView::visualRect(index);
-
- const int maxWidth = m_itemSize.width();
- const int maxHeight = m_itemSize.height();
-
- if (itemRect.width() > maxWidth) {
- // assure that the maximum item width is not exceeded
- if (leftToRightFlow) {
- const int left = itemRect.left() + (itemRect.width() - maxWidth) / 2;
- itemRect.setLeft(left);
- }
- itemRect.setWidth(maxWidth);
- }
-
- if (itemRect.height() > maxHeight) {
- // assure that the maximum item height is not exceeded
- if (!leftToRightFlow) {
- const int top = itemRect.top() + (itemRect.height() - maxHeight) / 2;
- itemRect.setTop(top);
- }
- itemRect.setHeight(maxHeight);
- }
+ KCategorizedView::dataChanged(topLeft, bottomRight);
KCategorizedSortFilterProxyModel* proxyModel = dynamic_cast<KCategorizedSortFilterProxyModel*>(model());
- if (leftToRightFlow && !proxyModel->isCategorizedModel()) {
- // TODO: QListView::visualRect() calculates a wrong position of the items under
- // certain circumstances (e. g. if the text is too long). This issue is bypassed
- // by the following code (I'll try create a patch for Qt but as Dolphin must also work with
- // Qt 4.3.0 this workaround must get applied at least for KDE 4.0).
- const IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
- const int margin = settings->gridSpacing();
- const int gridWidth = gridSize().width();
- const int gridIndex = (itemRect.left() - margin + 1) / gridWidth;
- const int centerInc = (maxWidth - itemRect.width()) / 2;
- itemRect.moveLeft((gridIndex * gridWidth) + margin + centerInc);
+ if (!proxyModel->isCategorizedModel()) {
+ // bypass a QListView issue that items are not layout correctly if the decoration size of
+ // an index changes
+ scheduleDelayedItemsLayout();
}
-
- return itemRect;
}
QStyleOptionViewItem DolphinIconsView::viewOptions() const
void DolphinIconsView::mousePressEvent(QMouseEvent* event)
{
m_controller->requestActivation();
- if (!indexAt(event->pos()).isValid()) {
+ const QModelIndex index = indexAt(event->pos());
+ if (index.isValid() && (event->button() == Qt::LeftButton)) {
+ // TODO: It should not be necessary to manually set the dragging state, but I could
+ // not reproduce this issue with a Qt-only example yet to find the root cause.
+ // Issue description: start Dolphin, split the view and drag an item from the
+ // inactive view to the active view by a very fast mouse movement. Result:
+ // the item gets selected instead of being dragged...
+ setState(QAbstractItemView::DraggingState);
+ }
+
+ if (!index.isValid()) {
+ if (QApplication::mouseButtons() & Qt::MidButton) {
+ m_controller->replaceUrlByClipboard();
+ }
const Qt::KeyboardModifiers modifier = QApplication::keyboardModifiers();
if (!(modifier & Qt::ShiftModifier) && !(modifier & Qt::ControlModifier)) {
clearSelection();
void DolphinIconsView::startDrag(Qt::DropActions supportedActions)
{
- // TODO: invoking KCategorizedView::startDrag() should not be necessary, we'll
- // fix this in KDE 4.1
- KCategorizedView::startDrag(supportedActions);
- DragAndDropHelper::startDrag(this, supportedActions);
+ DragAndDropHelper::instance().startDrag(this, supportedActions, m_controller);
}
void DolphinIconsView::dragEnterEvent(QDragEnterEvent* event)
{
- if (event->mimeData()->hasUrls()) {
+ if (DragAndDropHelper::instance().isMimeDataSupported(event->mimeData())) {
event->acceptProposedAction();
}
}
void DolphinIconsView::dragLeaveEvent(QDragLeaveEvent* event)
{
- KCategorizedView::dragLeaveEvent(event);
+ Q_UNUSED(event);
setDirtyRegion(m_dropRect);
}
void DolphinIconsView::dragMoveEvent(QDragMoveEvent* event)
{
- KCategorizedView::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.setSize(QSize()); // set as invalid
}
}
- if (event->mimeData()->hasUrls()) {
+ if (DragAndDropHelper::instance().isMimeDataSupported(event->mimeData())) {
// accept url drops, independently from the destination item
event->acceptProposedAction();
}
void DolphinIconsView::dropEvent(QDropEvent* event)
{
- if (!selectionModel()->isSelected(indexAt(event->pos()))) {
- const KUrl::List urls = KUrl::List::fromMimeData(event->mimeData());
- if (!urls.isEmpty()) {
- const QModelIndex index = indexAt(event->pos());
- const KFileItem item = m_controller->itemForIndex(index);
- m_controller->indicateDroppedUrls(urls,
- m_controller->url(),
- item);
- event->acceptProposedAction();
+ const QModelIndex index = indexAt(event->pos());
+ const KFileItem item = m_controller->itemForIndex(index);
+ m_controller->indicateDroppedUrls(item, m_controller->url(), event);
+}
+
+QModelIndex DolphinIconsView::moveCursor(CursorAction cursorAction, Qt::KeyboardModifiers modifiers)
+{
+ const QModelIndex oldCurrent = currentIndex();
+
+ QModelIndex newCurrent = KCategorizedView::moveCursor(cursorAction, modifiers);
+ if (newCurrent != oldCurrent) {
+ return newCurrent;
+ }
+
+ // The cursor has not been moved by the base implementation. Provide a
+ // wrap behavior, so that the cursor will go to the next item when reaching
+ // the border.
+ const IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
+ if (settings->arrangement() == QListView::LeftToRight) {
+ switch (cursorAction) {
+ case MoveUp:
+ if (newCurrent.row() == 0) {
+ return newCurrent;
+ }
+ newCurrent = KCategorizedView::moveCursor(MoveLeft, modifiers);
+ selectionModel()->setCurrentIndex(newCurrent, QItemSelectionModel::NoUpdate);
+ newCurrent = KCategorizedView::moveCursor(MovePageDown, modifiers);
+ break;
+
+ case MoveDown:
+ if (newCurrent.row() == (model()->rowCount() - 1)) {
+ return newCurrent;
+ }
+ newCurrent = KCategorizedView::moveCursor(MovePageUp, modifiers);
+ selectionModel()->setCurrentIndex(newCurrent, QItemSelectionModel::NoUpdate);
+ newCurrent = KCategorizedView::moveCursor(MoveRight, modifiers);
+ break;
+
+ default:
+ break;
+ }
+ } else {
+ QModelIndex current = oldCurrent;
+ switch (cursorAction) {
+ case MoveLeft:
+ if (newCurrent.row() == 0) {
+ return newCurrent;
+ }
+ newCurrent = KCategorizedView::moveCursor(MoveUp, modifiers);
+ do {
+ selectionModel()->setCurrentIndex(newCurrent, QItemSelectionModel::NoUpdate);
+ current = newCurrent;
+ newCurrent = KCategorizedView::moveCursor(MoveRight, modifiers);
+ } while (newCurrent != current);
+ break;
+
+ case MoveRight:
+ if (newCurrent.row() == (model()->rowCount() - 1)) {
+ return newCurrent;
+ }
+ do {
+ selectionModel()->setCurrentIndex(newCurrent, QItemSelectionModel::NoUpdate);
+ current = newCurrent;
+ newCurrent = KCategorizedView::moveCursor(MoveLeft, modifiers);
+ } while (newCurrent != current);
+ newCurrent = KCategorizedView::moveCursor(MoveDown, modifiers);
+ break;
+
+ default:
+ break;
}
}
- KCategorizedView::dropEvent(event);
+ // Revert all changes of the current item to make sure that item selection works correctly
+ selectionModel()->setCurrentIndex(oldCurrent, QItemSelectionModel::NoUpdate);
+ return newCurrent;
}
void DolphinIconsView::keyPressEvent(QKeyEvent* event)
void DolphinIconsView::wheelEvent(QWheelEvent* event)
{
- // let Ctrl+wheel events propagate to the DolphinView for icon zooming
- if (event->modifiers() & Qt::ControlModifier) {
- event->ignore();
- return;
- }
+ horizontalScrollBar()->setSingleStep(m_itemSize.width() / 10);
+ verticalScrollBar()->setSingleStep(m_itemSize.height() / 10);
+
KCategorizedView::wheelEvent(event);
// if the icons are aligned left to right, the vertical wheel event should
// be applied to the horizontal scrollbar
}
}
+void DolphinIconsView::showEvent(QShowEvent* event)
+{
+ KFileItemDelegate* delegate = dynamic_cast<KFileItemDelegate*>(itemDelegate());
+ delegate->setMaximumSize(m_itemSize);
+
+ KCategorizedView::showEvent(event);
+}
+
+void DolphinIconsView::leaveEvent(QEvent* event)
+{
+ KCategorizedView::leaveEvent(event);
+ // if the mouse is above an item and moved very fast outside the widget,
+ // no viewportEntered() signal might be emitted although the mouse has been moved
+ // above the viewport
+ m_controller->emitViewportEntered();
+}
+
+void DolphinIconsView::currentChanged(const QModelIndex& current, const QModelIndex& previous)
+{
+ KCategorizedView::currentChanged(current, previous);
+ m_extensionsFactory->handleCurrentIndexChange(current, previous);
+}
+
+void DolphinIconsView::resizeEvent(QResizeEvent* event)
+{
+ KCategorizedView::resizeEvent(event);
+ const DolphinView* view = m_controller->dolphinView();
+ updateGridSize(view->showPreview(), view->additionalInfo().count());
+}
+
void DolphinIconsView::slotShowPreviewChanged()
{
const DolphinView* view = m_controller->dolphinView();
updateGridSize(showPreview, view->additionalInfo().count());
}
-void DolphinIconsView::zoomIn()
+void DolphinIconsView::setZoomLevel(int level)
{
- if (isZoomInPossible()) {
- IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
-
- const int oldIconSize = settings->iconSize();
- int newIconSize = oldIconSize;
-
- const bool showPreview = m_controller->dolphinView()->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);
- }
- }
+ IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
- // increase also the grid size
- const int diff = newIconSize - oldIconSize;
- settings->setItemWidth(settings->itemWidth() + diff);
- settings->setItemHeight(settings->itemHeight() + diff);
+ const int oldIconSize = settings->iconSize();
+ int newIconSize = oldIconSize;
- updateGridSize(showPreview, additionalInfoCount());
+ const bool showPreview = m_controller->dolphinView()->showPreview();
+ if (showPreview) {
+ const int previewSize = ZoomLevelInfo::iconSizeForZoomLevel(level);
+ settings->setPreviewSize(previewSize);
+ } else {
+ newIconSize = ZoomLevelInfo::iconSizeForZoomLevel(level);
+ settings->setIconSize(newIconSize);
}
-}
-void DolphinIconsView::zoomOut()
-{
- if (isZoomOutPossible()) {
- IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
-
- const int oldIconSize = settings->iconSize();
- int newIconSize = oldIconSize;
-
- const bool showPreview = m_controller->dolphinView()->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);
+ // increase also the grid size
+ const int diff = newIconSize - oldIconSize;
+ settings->setItemWidth(settings->itemWidth() + diff);
+ settings->setItemHeight(settings->itemHeight() + diff);
- updateGridSize(showPreview, additionalInfoCount());
- }
+ updateGridSize(showPreview, additionalInfoCount());
}
void DolphinIconsView::requestActivation()
m_controller->requestActivation();
}
-void DolphinIconsView::updateFont()
+void DolphinIconsView::slotGlobalSettingsChanged(int category)
{
+ Q_UNUSED(category);
+
const IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
Q_ASSERT(settings != 0);
-
if (settings->useSystemFont()) {
m_font = KGlobalSettings::generalFont();
}
-}
-bool DolphinIconsView::isZoomInPossible() const
-{
- IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
- const bool showPreview = m_controller->dolphinView()->showPreview();
- const int size = showPreview ? settings->previewSize() : settings->iconSize();
- return size < KIconLoader::SizeEnormous;
-}
-
-bool DolphinIconsView::isZoomOutPossible() const
-{
- IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
- const bool showPreview = m_controller->dolphinView()->showPreview();
- const int size = showPreview ? settings->previewSize() : settings->iconSize();
- return size > KIconLoader::SizeSmall;
-}
-
-int DolphinIconsView::increasedIconSize(int size) const
-{
- int incSize = 0;
- switch (size) {
- case KIconLoader::SizeSmall: incSize = KIconLoader::SizeSmallMedium; break;
- case KIconLoader::SizeSmallMedium: incSize = KIconLoader::SizeMedium; break;
- case KIconLoader::SizeMedium: incSize = KIconLoader::SizeLarge; break;
- case KIconLoader::SizeLarge: incSize = KIconLoader::SizeHuge; break;
- case KIconLoader::SizeHuge: incSize = KIconLoader::SizeEnormous; break;
- default: Q_ASSERT(false); break;
- }
- return incSize;
-}
-
-int DolphinIconsView::decreasedIconSize(int size) const
-{
- int decSize = 0;
- switch (size) {
- case KIconLoader::SizeSmallMedium: decSize = KIconLoader::SizeSmall; break;
- case KIconLoader::SizeMedium: decSize = KIconLoader::SizeSmallMedium; break;
- case KIconLoader::SizeLarge: decSize = KIconLoader::SizeMedium; break;
- case KIconLoader::SizeHuge: decSize = KIconLoader::SizeLarge; break;
- case KIconLoader::SizeEnormous: decSize = KIconLoader::SizeHuge; break;
- default: Q_ASSERT(false); break;
+ disconnect(this, SIGNAL(clicked(QModelIndex)), m_controller, SLOT(triggerItem(QModelIndex)));
+ disconnect(this, SIGNAL(doubleClicked(QModelIndex)), m_controller, SLOT(triggerItem(QModelIndex)));
+ if (KGlobalSettings::singleClick()) {
+ connect(this, SIGNAL(clicked(QModelIndex)), m_controller, SLOT(triggerItem(QModelIndex)));
+ } else {
+ connect(this, SIGNAL(doubleClicked(QModelIndex)), m_controller, SLOT(triggerItem(QModelIndex)));
}
- return decSize;
}
void DolphinIconsView::updateGridSize(bool showPreview, int additionalInfoCount)
if (showPreview) {
const int previewSize = settings->previewSize();
const int diff = previewSize - size;
- Q_ASSERT(diff >= 0);
itemWidth += diff;
itemHeight += diff;
Q_ASSERT(additionalInfoCount >= 0);
itemHeight += additionalInfoCount * m_font.pointSize() * 2;
+ // Optimize the item size of the grid in a way to prevent large gaps on the
+ // right border (= row arrangement) or the bottom border (= column arrangement).
+ // There is no public API in QListView to find out the used width of the viewport
+ // for the layout. The following calculation of 'contentWidth'/'contentHeight'
+ // is based on QListViewPrivate::prepareItemsLayout() (Copyright (C) 2009 Nokia Corporation).
+ int frameAroundContents = 0;
+ if (style()->styleHint(QStyle::SH_ScrollView_FrameOnlyAroundContents)) {
+ frameAroundContents = style()->pixelMetric(QStyle::PM_DefaultFrameWidth) * 2;
+ }
+ const int spacing = settings->gridSpacing();
if (settings->arrangement() == QListView::TopToBottom) {
+ const int contentWidth = viewport()->width() - 1
+ - frameAroundContents
+ - style()->pixelMetric(QStyle::PM_ScrollBarExtent, 0, horizontalScrollBar());
+ const int gridWidth = itemWidth + spacing * 2;
+ const int horizItemCount = contentWidth / gridWidth;
+ if (horizItemCount > 0) {
+ itemWidth += (contentWidth - horizItemCount * gridWidth) / horizItemCount;
+ }
+
// 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_decorationSize = QSize(itemWidth, size);
setIconSize(QSize(itemWidth, size));
} else {
+ const int contentHeight = viewport()->height() - 1
+ - frameAroundContents
+ - style()->pixelMetric(QStyle::PM_ScrollBarExtent, 0, verticalScrollBar());
+ const int gridHeight = itemHeight + spacing;
+ const int vertItemCount = contentHeight / gridHeight;
+ if (vertItemCount > 0) {
+ itemHeight += (contentHeight - vertItemCount * gridHeight) / vertItemCount;
+ }
+
m_decorationSize = QSize(size, size);
setIconSize(QSize(size, size));
}
m_itemSize = QSize(itemWidth, itemHeight);
+ setGridSizeOwn(QSize(itemWidth + spacing * 2, itemHeight + spacing));
- const int spacing = settings->gridSpacing();
- setGridSize(QSize(itemWidth + spacing * 2, itemHeight + spacing));
-
- m_controller->setZoomInPossible(isZoomInPossible());
- m_controller->setZoomOutPossible(isZoomOutPossible());
+ KFileItemDelegate* delegate = dynamic_cast<KFileItemDelegate*>(itemDelegate());
+ if (delegate != 0) {
+ delegate->setMaximumSize(m_itemSize);
+ }
}
int DolphinIconsView::additionalInfoCount() const
projects / dolphin.git / blobdiff