116 lines
3.8 KiB
C++
116 lines
3.8 KiB
C++
/*
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* Squawk messenger.
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* Copyright (C) 2019 Yury Gubich <blue@macaw.me>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef FEEDVIEW_H
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#define FEEDVIEW_H
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#include <QAbstractItemView>
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#include <QDesktopServices>
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#include <QUrl>
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#include <deque>
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#include <set>
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#include <ui/widgets/messageline/messagefeed.h>
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#include <ui/utils/progress.h>
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#include <shared/utils.h>
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/**
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* @todo write docs
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*/
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class FeedView : public QAbstractItemView
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{
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Q_OBJECT
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public:
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FeedView(QWidget* parent = nullptr);
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~FeedView();
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QModelIndex indexAt(const QPoint & point) const override;
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void scrollTo(const QModelIndex & index, QAbstractItemView::ScrollHint hint) override;
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QRect visualRect(const QModelIndex & index) const override;
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bool isIndexHidden(const QModelIndex & index) const override;
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QModelIndex moveCursor(QAbstractItemView::CursorAction cursorAction, Qt::KeyboardModifiers modifiers) override;
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void setSelection(const QRect & rect, QItemSelectionModel::SelectionFlags command) override;
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QRegion visualRegionForSelection(const QItemSelection & selection) const override;
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void setItemDelegate(QAbstractItemDelegate* delegate);
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void setModel(QAbstractItemModel * model) override;
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QFont getFont() const;
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QString getSelectedText() const;
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signals:
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void resized();
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public slots:
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protected slots:
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void rowsInserted(const QModelIndex & parent, int start, int end) override;
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void verticalScrollbarValueChanged(int value) override;
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void dataChanged(const QModelIndex & topLeft, const QModelIndex & bottomRight, const QVector<int> & roles) override;
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void onMessageButtonPushed(const QString& messageId);
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void onMessageInvalidPath(const QString& messageId);
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void onModelSyncStateChange(Models::MessageFeed::SyncState state);
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protected:
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int verticalOffset() const override;
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int horizontalOffset() const override;
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void paintEvent(QPaintEvent * event) override;
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void updateGeometries() override;
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void mouseMoveEvent(QMouseEvent * event) override;
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void mousePressEvent(QMouseEvent * event) override;
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void mouseReleaseEvent(QMouseEvent * event) override;
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void keyPressEvent(QKeyEvent * event) override;
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void resizeEvent(QResizeEvent * event) override;
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private:
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bool tryToCalculateGeometriesWithNoScrollbars(const QStyleOptionViewItem& option, const QAbstractItemModel* model, uint32_t totalHeight);
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void positionProgress();
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void drawDateDevider(int top, const QDateTime& date, QPainter& painter);
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void setAnchorHovered(Shared::Hover type);
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private:
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struct Hint {
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bool dirty;
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uint32_t offset;
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uint32_t height;
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uint32_t width;
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uint32_t x;
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};
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std::deque<Hint> hints;
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int vo;
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int elementMargin;
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bool specialDelegate;
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bool specialModel;
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bool clearWidgetsMode;
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Models::MessageFeed::SyncState modelState;
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Progress progress;
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QFont dividerFont;
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QFontMetrics dividerMetrics;
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bool mousePressed;
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bool dragging;
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Shared::Hover hovered;
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QPoint dragStartPoint;
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QPoint dragEndPoint;
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QString selectedText;
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static const std::set<int> geometryChangingRoles;
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};
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#endif //FEEDVIEW_H
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