/*************************************************************************** * Copyright (C) 2006 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 * * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. * * * * This program is distributed in the hope that it will be useful, * * but WITHOUT ANY WARRANTY; without even the implied warranty of * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * * GNU General Public License for more details. * * * * You should have received a copy of the GNU General Public License * * along with this program; if not, write to the * * Free Software Foundation, Inc., * * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * ***************************************************************************/ #include "dolphiniconsview.h" #include "dolphincontroller.h" #include "dolphinsettings.h" #include "dolphinitemcategorizer.h" #include "dolphin_iconsmodesettings.h" #include #include #include #include #include DolphinIconsView::DolphinIconsView(QWidget* parent, DolphinController* controller) : KListView(parent), m_controller(controller) { Q_ASSERT(controller != 0); setViewMode(QListView::IconMode); setResizeMode(QListView::Adjust); setMouseTracking(true); viewport()->setAttribute(Qt::WA_Hover); 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(); Q_ASSERT(settings != 0); 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; if (settings->numberOfTextlines() > 1) { m_viewOptions.features = QStyleOptionViewItemV2::WrapText; } updateGridSize(controller->showPreview(), controller->showAdditionalInfo()); if (settings->arrangement() == QListView::TopToBottom) { setFlow(QListView::LeftToRight); m_viewOptions.decorationPosition = QStyleOptionViewItem::Top; } else { setFlow(QListView::TopToBottom); m_viewOptions.decorationPosition = QStyleOptionViewItem::Left; } } DolphinIconsView::~DolphinIconsView() { } QStyleOptionViewItem DolphinIconsView::viewOptions() const { return m_viewOptions; } void DolphinIconsView::contextMenuEvent(QContextMenuEvent* event) { KListView::contextMenuEvent(event); m_controller->triggerContextMenuRequest(event->pos()); } void DolphinIconsView::mouseReleaseEvent(QMouseEvent* event) { KListView::mouseReleaseEvent(event); m_controller->triggerActivation(); } void DolphinIconsView::dragEnterEvent(QDragEnterEvent* event) { if (event->mimeData()->hasUrls()) { event->acceptProposedAction(); } } void DolphinIconsView::dropEvent(QDropEvent* event) { const KUrl::List urls = KUrl::List::fromMimeData(event->mimeData()); if (!urls.isEmpty()) { m_controller->indicateDroppedUrls(urls, indexAt(event->pos()), event->source()); event->acceptProposedAction(); } KListView::dropEvent(event); } 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->setGridWidth(settings->gridWidth() + diff); settings->setGridHeight(settings->gridHeight() + 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->setGridWidth(settings->gridWidth() - diff); settings->setGridHeight(settings->gridHeight() - 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 gridWidth = settings->gridWidth(); int gridHeight = settings->gridHeight(); int size = settings->iconSize(); if (showPreview) { const int previewSize = settings->previewSize(); const int diff = previewSize - size; Q_ASSERT(diff >= 0); gridWidth += diff; gridHeight += diff; size = previewSize; } if (showAdditionalInfo) { gridHeight += m_viewOptions.font.pointSize() * 2; } m_viewOptions.decorationSize = QSize(size, size); setGridSize(QSize(gridWidth, gridHeight)); m_controller->setZoomInPossible(isZoomInPossible()); m_controller->setZoomOutPossible(isZoomOutPossible()); } #include "dolphiniconsview.moc"