144 lines
3.7 KiB
C++
144 lines
3.7 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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#include "base/weak_ptr.h"
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#include "ui/effects/animations.h"
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#include "ui/widgets/menu/menu_add_action_callback.h"
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#include "ui/round_rect.h"
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#include "ui/rp_widget.h"
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namespace Ui {
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class DynamicImage;
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class LinkButton;
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struct ScrollToRequest;
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} // namespace Ui
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namespace Dialogs {
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struct TopPeersEntry {
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uint64 id = 0;
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QString name;
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std::shared_ptr<Ui::DynamicImage> userpic;
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uint32 badge : 28 = 0;
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uint32 unread : 1 = 0;
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uint32 muted : 1 = 0;
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uint32 online : 1 = 0;
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};
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struct TopPeersList {
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std::vector<TopPeersEntry> entries;
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};
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struct ShowTopPeerMenuRequest {
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uint64 id = 0;
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Ui::Menu::MenuCallback callback;
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};
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class TopPeersStrip final : public Ui::RpWidget {
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public:
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TopPeersStrip(
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not_null<QWidget*> parent,
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rpl::producer<TopPeersList> content);
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~TopPeersStrip();
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[[nodiscard]] bool empty() const;
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[[nodiscard]] rpl::producer<bool> emptyValue() const;
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[[nodiscard]] rpl::producer<uint64> clicks() const;
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[[nodiscard]] auto showMenuRequests() const
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-> rpl::producer<ShowTopPeerMenuRequest>;
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[[nodiscard]] auto scrollToRequests() const
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-> rpl::producer<Ui::ScrollToRequest>;
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void removeLocally(uint64 id = 0);
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[[nodiscard]] bool selectedByKeyboard() const;
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bool selectByKeyboard(Qt::Key direction);
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void deselectByKeyboard();
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bool chooseRow();
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uint64 updateFromParentDrag(QPoint globalPosition);
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void dragLeft();
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[[nodiscard]] auto verticalScrollEvents() const
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-> rpl::producer<not_null<QWheelEvent*>>;
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private:
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struct Entry;
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struct Layout;
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int resizeGetHeight(int newWidth) override;
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void setupHeader();
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void setupStrip();
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void paintStrip(QRect clip);
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void stripWheelEvent(QWheelEvent *e);
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void stripMousePressEvent(QMouseEvent *e);
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void stripMouseMoveEvent(QMouseEvent *e);
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void stripMouseReleaseEvent(QMouseEvent *e);
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void stripContextMenuEvent(QContextMenuEvent *e);
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void stripLeaveEvent(QEvent *e);
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void updateScrollMax(int newWidth = 0);
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void updateSelected();
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void setSelected(int selected);
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void setExpanded(bool expanded);
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void scrollToSelected();
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void checkDragging();
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bool finishDragging();
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void subscribeUserpic(Entry &entry);
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void unsubscribeUserpics(bool all = false);
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void paintUserpic(Painter &p, int x, int y, int index, bool selected);
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void clearSelection();
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void selectByMouse(QPoint globalPosition);
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[[nodiscard]] QRect outer() const;
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[[nodiscard]] QRect innerRounded() const;
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[[nodiscard]] int scrollLeft() const;
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[[nodiscard]] Layout currentLayout() const;
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void apply(const TopPeersList &list);
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void apply(Entry &entry, const TopPeersEntry &data);
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Ui::RpWidget _header;
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Ui::RpWidget _strip;
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std::vector<Entry> _entries;
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rpl::variable<int> _count = 0;
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base::flat_set<uint64> _removed;
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rpl::variable<Ui::LinkButton*> _toggleExpanded = nullptr;
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rpl::event_stream<uint64> _clicks;
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rpl::event_stream<ShowTopPeerMenuRequest> _showMenuRequests;
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rpl::event_stream<not_null<QWheelEvent*>> _verticalScrollEvents;
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std::optional<QPoint> _lastMousePosition;
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std::optional<QPoint> _mouseDownPosition;
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int _startDraggingLeft = 0;
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int _scrollLeft = 0;
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int _scrollLeftMax = 0;
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bool _dragging = false;
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Qt::Orientation _scrollingLock = {};
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int _selected = -1;
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int _pressed = -1;
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bool _selectionByKeyboard = false;
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bool _hiddenLocally = false;
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Ui::Animations::Simple _expandAnimation;
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rpl::variable<bool> _expanded = false;
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rpl::event_stream<Ui::ScrollToRequest> _scrollToRequests;
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Ui::RoundRect _selection;
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base::unique_qptr<Ui::PopupMenu> _menu;
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base::has_weak_ptr _menuGuard;
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};
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} // namespace Dialogs
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