114 lines
3.5 KiB
C++
114 lines
3.5 KiB
C++
#ifndef TRAY_GUI_HELPER_H
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#define TRAY_GUI_HELPER_H
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#include <c++utilities/misc/traits.h>
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#include <QClipboard>
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#include <QGuiApplication>
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#include <QModelIndex>
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#include <QPoint>
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#include <QTreeView>
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#include <functional>
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#include <type_traits>
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QT_FORWARD_DECLARE_CLASS(QPoint)
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QT_FORWARD_DECLARE_CLASS(QMenu)
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namespace QtGui {
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void showViewMenu(const QPoint &position, const QTreeView &view, QMenu &menu);
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inline auto copyToClipboard(const QString &text)
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{
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return [=] { QGuiApplication::clipboard()->setText(text); };
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}
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template <typename ViewType> struct BasicRowData {
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operator bool() const;
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typename ViewType::ModelType *model = nullptr;
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QModelIndex index;
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decltype(model->info(index)) data = decltype(model->info(index))();
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};
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template <typename ViewType> BasicRowData<ViewType>::operator bool() const
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{
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if (!model || !index.isValid()) {
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return false;
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}
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if constexpr (CppUtilities::Traits::IsSpecializationOf<decltype(data), QPair>::value
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|| CppUtilities::Traits::IsSpecializationOf<decltype(data), std::pair>::value) {
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return data.first;
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} else {
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return data;
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}
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}
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template <typename ViewType> struct SelectedRow : public BasicRowData<ViewType> {
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explicit SelectedRow(ViewType *view);
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};
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template <typename ViewType> SelectedRow<ViewType>::SelectedRow(ViewType *view)
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{
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auto *const selectionModel = view->selectionModel();
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if (!selectionModel) {
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return;
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}
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const auto selectedRows = selectionModel->selectedRows(0);
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if (selectedRows.size() != 1) {
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return;
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}
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this->index = selectedRows.at(0);
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if constexpr (std::is_void_v<typename ViewType::SortFilterModelType>) {
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this->model = qobject_cast<typename ViewType::ModelType *>(view->model());
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} else {
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const auto *const sortFilterModel = qobject_cast<typename ViewType::SortFilterModelType *>(view->model());
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if (sortFilterModel) {
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this->index = sortFilterModel->mapToSource(this->index);
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this->model = qobject_cast<typename ViewType::ModelType *>(sortFilterModel->sourceModel());
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}
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}
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if (this->model) {
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this->data = this->model->info(this->index);
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}
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}
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template <typename ViewType> struct ClickedRow : public BasicRowData<ViewType> {
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explicit ClickedRow(ViewType *view, const QPoint &clickPoint);
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typename ViewType::SortFilterModelType *proxyModel = nullptr;
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QModelIndex proxyIndex;
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};
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template <typename ViewType> ClickedRow<ViewType>::ClickedRow(ViewType *view, const QPoint &clickPoint)
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{
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if constexpr (!std::is_void_v<typename ViewType::SortFilterModelType>) {
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proxyModel = qobject_cast<typename ViewType::SortFilterModelType *>(view->model());
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}
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this->model = qobject_cast<typename ViewType::ModelType *>(proxyModel ? proxyModel->sourceModel() : view->model());
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proxyIndex = view->indexAt(clickPoint);
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this->index = proxyModel ? proxyModel->mapToSource(proxyIndex) : proxyIndex;
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if (this->model && this->index.isValid() && this->index.column() == 1) {
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this->data = this->model->info(this->index);
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}
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}
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template <typename ViewType, typename ActionType> inline auto triggerActionForSelectedRow(ViewType *view, ActionType action)
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{
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return [=] {
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if (const auto selectedRow = SelectedRow(view)) {
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std::invoke(action, view, CppUtilities::Traits::dereferenceMaybe(selectedRow.data));
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}
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};
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}
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inline int centerObj(int avail, int size)
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{
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return (avail - size) / 2;
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}
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} // namespace QtGui
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#endif // TRAY_GUI_HELPER_H
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