150 lines
3.6 KiB
C++
150 lines
3.6 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 "ui/rp_widget.h"
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#include "ui/effects/animations.h"
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namespace style {
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struct SubTabs;
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} // namespace style
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namespace Ui {
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struct SubTabsOptions {
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QString selected;
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bool centered = false;
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};
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struct SubTabsTab {
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QString id;
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TextWithEntities text;
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friend inline bool operator==(
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const SubTabsTab &,
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const SubTabsTab &) = default;
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};
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struct SubTabsReorderUpdate {
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QString id;
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int oldPosition = 0;
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int newPosition = 0;
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enum class State : uchar {
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Started,
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Applied,
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Cancelled,
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} state = State::Started;
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};
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class SubTabs : public RpWidget {
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public:
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using Options = SubTabsOptions;
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using Tab = SubTabsTab;
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explicit SubTabs(
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QWidget *parent,
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const style::SubTabs &st,
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Options options = {},
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std::vector<Tab> tabs = {},
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Text::MarkedContext context = {});
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void setTabs(
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std::vector<Tab> tabs,
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Text::MarkedContext context = {});
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void setActiveTab(const QString &id);
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void setReorderEnabled(bool enabled);
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[[nodiscard]] bool reorderEnabled() const;
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void setPinnedInterval(int from, int to);
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void clearPinnedIntervals();
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[[nodiscard]] rpl::producer<QString> activated() const;
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[[nodiscard]] rpl::producer<QString> contextMenuRequests() const;
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using ReorderUpdate = SubTabsReorderUpdate;
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[[nodiscard]] rpl::producer<ReorderUpdate> reorderUpdates() const;
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private:
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struct Button {
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Tab tab;
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QRect geometry;
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Text::String text;
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bool active = false;
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Ui::Animations::Simple shiftAnimation;
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float64 shift = 0.;
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float64 finalShift = 0.;
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float64 deltaShift = 0.;
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};
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int resizeGetHeight(int newWidth) override;
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void wheelEvent(QWheelEvent *e) override;
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void mouseMoveEvent(QMouseEvent *e) override;
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void mousePressEvent(QMouseEvent *e) override;
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void mouseReleaseEvent(QMouseEvent *e) override;
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void contextMenuEvent(QContextMenuEvent *e) override;
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void paintEvent(QPaintEvent *e) override;
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bool eventHook(QEvent *e) override;
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void setSelected(int index);
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void setActive(int index);
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[[nodiscard]] QPoint scroll() const;
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void shakeTransform(QPainter &p, int index, QPoint position, crl::time now) const;
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[[nodiscard]] bool isIndexPinned(int index) const;
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void startReorder(int index, QPoint globalPos);
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void updateReorder(QPoint globalPos);
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void finishReorder();
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void cancelReorder();
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void moveToShift(int index, float64 shift);
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void updateShift(int index);
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void checkForScrollAnimation();
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void updateScrollCallback();
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[[nodiscard]] int deltaFromEdge();
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const style::SubTabs &_st;
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std::vector<Button> _buttons;
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rpl::event_stream<QString> _activated;
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rpl::event_stream<QString> _contextMenuRequests;
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rpl::event_stream<ReorderUpdate> _reorderUpdates;
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std::optional<Qt::Orientation> _locked;
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int _dragx = 0;
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int _pressx = 0;
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float64 _dragscroll = 0.;
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float64 _scroll = 0.;
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float64 _scrollTo = 0.;
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Ui::Animations::Simple _scrollAnimation;
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Ui::Animations::Basic _reorderScrollAnimation;
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int _scrollMax = 0;
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int _fullShift = 0;
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int _fullWidth = 0;
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int _selected = -1;
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int _pressed = -1;
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int _active = -1;
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bool _centered = false;
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bool _reorderEnable = false;
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Ui::Animations::Basic _shakeAnimation;
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struct PinnedInterval {
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int from;
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int to;
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};
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std::vector<PinnedInterval> _pinnedIntervals;
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int _reorderIndex = -1;
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float64 _reorderStart = 0.;
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int _reorderDesiredIndex = 0;
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SubTabsReorderUpdate::State _reorderState
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= SubTabsReorderUpdate::State::Cancelled;
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QPoint _reorderMousePos;
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};
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} // namespace Ui
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