152 lines
4.5 KiB
C++
152 lines
4.5 KiB
C++
#if defined(Hiro_IconView)
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namespace hiro {
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void pIconView::append() {
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lock();
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auto item = new QListWidgetItem(qtIconView);
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unlock();
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}
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void pIconView::remove(unsigned selection) {
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lock();
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if(auto item = qtIconView->item(selection)) {
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delete item;
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}
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unlock();
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}
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void pIconView::reset() {
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lock();
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qtIconView->clear();
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unlock();
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}
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void pIconView::setBackgroundColor(Color color) {
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QPalette palette = qtIconView->palette();
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palette.setColor(QPalette::Base, QColor(color.red, color.green, color.blue));
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qtIconView->setPalette(palette);
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qtIconView->setAutoFillBackground(true);
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}
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void pIconView::setFlow(Orientation flow) {
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qtIconView->setFlow(flow == Orientation::Horizontal ? QListView::LeftToRight : QListView::TopToBottom);
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qtIconView->resize(qtIconView->size()); //adjust visibility of scroll bars
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}
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void pIconView::setForegroundColor(Color color) {
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QPalette palette = qtIconView->palette();
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palette.setColor(QPalette::Text, QColor(color.red, color.green, color.blue));
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qtIconView->setPalette(palette);
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}
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void pIconView::setImage(unsigned selection, const image& image) {
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if(auto item = qtIconView->item(selection)) {
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item->setIcon(CreateIcon(image));
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}
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}
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void pIconView::setOrientation(Orientation orientation) {
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qtIconView->setViewMode(orientation == Orientation::Horizontal ? QListView::ListMode : QListView::IconMode);
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qtIconView->setWrapping(true);
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}
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void pIconView::setSelected(unsigned selection, bool selected) {
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lock();
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if(auto item = qtIconView->item(selection)) {
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item->setSelected(selected);
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}
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unlock();
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}
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void pIconView::setSelected(const vector<unsigned>& selections) {
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lock();
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qtIconView->clearSelection();
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for(auto& selection : selections) {
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if(auto item = qtIconView->item(selection)) {
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item->setSelected(true);
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}
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}
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unlock();
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}
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void pIconView::setSelectedAll() {
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lock();
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qtIconView->selectAll();
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unlock();
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}
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void pIconView::setSelectedNone() {
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lock();
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qtIconView->clearSelection();
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unlock();
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}
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void pIconView::setSingleSelection(bool singleSelection) {
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qtIconView->setSelectionMode(singleSelection ? QAbstractItemView::SingleSelection : QAbstractItemView::ExtendedSelection);
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}
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void pIconView::setText(unsigned selection, const string& text) {
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if(auto item = qtIconView->item(selection)) {
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item->setText(QString::fromUtf8(text));
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}
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}
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void pIconView::constructor() {
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qtWidget = qtIconView = new QtListWidget;
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qtIconView->setContextMenuPolicy(Qt::CustomContextMenu);
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qtIconView->setMovement(QListView::Static);
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qtIconView->setResizeMode(QListView::Adjust);
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qtIconView->setSelectionRectVisible(true);
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qtIconView->setHorizontalScrollMode(QAbstractItemView::ScrollPerPixel);
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qtIconView->setVerticalScrollMode(QAbstractItemView::ScrollPerPixel);
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connect(qtIconView, SIGNAL(itemActivated(QListWidgetItem*)), SLOT(onActivate()));
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connect(qtIconView, SIGNAL(itemSelectionChanged()), SLOT(onChange()));
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connect(qtIconView, SIGNAL(customContextMenuRequested(const QPoint&)), SLOT(onContext()));
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setFlow(iconView.state.flow);
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setOrientation(iconView.state.orientation);
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setSingleSelection(iconView.state.singleSelection);
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}
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void pIconView::destructor() {
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delete qtIconView;
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qtWidget = qtIconView = nullptr;
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}
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void pIconView::orphan() {
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destructor();
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constructor();
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}
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void pIconView::onActivate() {
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if(!locked() && iconView.onActivate) iconView.onActivate();
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}
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void pIconView::onChange() {
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for(auto& selected : iconView.state.selected) selected = false;
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for(unsigned n = 0; n < qtIconView->count(); n++) {
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if(auto item = qtIconView->item(n)) {
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if(item->isSelected()) iconView.state.selected[n] = true;
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}
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}
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if(!locked() && iconView.onChange) iconView.onChange();
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}
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void pIconView::onContext() {
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if(!locked() && iconView.onContext) iconView.onContext();
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}
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void pIconView::QtListWidget::resizeEvent(QResizeEvent* event) {
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//Qt::ScrollBarAsNeeded results in the scroll bar area being reserved from the icon viewport even when scroll bar is hidden
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//this creates the appearance of an invisible gap that wastes precious screen space
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//below code simulates a Qt::ScrollBarAsNeeded which uses the extra space when the scroll bar is hidden
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setHorizontalScrollBarPolicy(horizontalScrollBar()->maximum() > horizontalScrollBar()->minimum() ? Qt::ScrollBarAlwaysOn : Qt::ScrollBarAlwaysOff);
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setVerticalScrollBarPolicy(verticalScrollBar()->maximum() > verticalScrollBar()->minimum() ? Qt::ScrollBarAlwaysOn : Qt::ScrollBarAlwaysOff);
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return QListWidget::resizeEvent(event);
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}
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}
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#endif
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