120 lines
2.8 KiB
C++
120 lines
2.8 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/effects/panel_animation.h"
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#include "base/unique_qptr.h"
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namespace Ui {
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class InnerDropdown;
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class InputField;
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namespace Emoji {
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class SuggestionsWidget : public TWidget {
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public:
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SuggestionsWidget(QWidget *parent, const style::Menu &st);
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void showWithQuery(const QString &query);
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void handleKeyEvent(int key);
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rpl::producer<bool> toggleAnimated() const;
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rpl::producer<QString> triggered() const;
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protected:
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void paintEvent(QPaintEvent *e) override;
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void keyPressEvent(QKeyEvent *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 enterEventHook(QEvent *e) override;
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void leaveEventHook(QEvent *e) override;
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private:
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class Row;
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std::vector<Row> getRowsByQuery() const;
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void resizeToRows();
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int countWidth(const Row &row);
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void setSelected(int selected);
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void setPressed(int pressed);
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void clearMouseSelection();
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void clearSelection();
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void updateSelectedItem();
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int itemTop(int index);
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void updateItem(int index);
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void selectByMouse(QPoint globalPosition);
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void triggerSelectedRow();
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void triggerRow(const Row &row);
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not_null<const style::Menu*> _st;
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QString _query;
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std::vector<Row> _rows;
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int _rowHeight = 0;
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std::optional<QPoint> _lastMousePosition;
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bool _mouseSelection = false;
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int _selected = -1;
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int _pressed = -1;
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rpl::event_stream<bool> _toggleAnimated;
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rpl::event_stream<QString> _triggered;
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};
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class SuggestionsController {
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public:
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SuggestionsController(
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not_null<QWidget*> outer,
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not_null<QTextEdit*> field);
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void raise();
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void setReplaceCallback(Fn<void(
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int from,
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int till,
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const QString &replacement)> callback);
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static SuggestionsController *Init(
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not_null<QWidget*> outer,
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not_null<Ui::InputField*> field);
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private:
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void handleCursorPositionChange();
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void handleTextChange();
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QString getEmojiQuery();
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void suggestionsUpdated(bool visible);
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void updateGeometry();
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void updateForceHidden();
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void replaceCurrent(const QString &replacement);
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bool fieldFilter(not_null<QEvent*> event);
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bool outerFilter(not_null<QEvent*> event);
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bool _shown = false;
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bool _forceHidden = false;
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int _queryStartPosition = 0;
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bool _ignoreCursorPositionChange = false;
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bool _textChangeAfterKeyPress = false;
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QPointer<QTextEdit> _field;
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Fn<void(
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int from,
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int till,
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const QString &replacement)> _replaceCallback;
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base::unique_qptr<InnerDropdown> _container;
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QPointer<SuggestionsWidget> _suggestions;
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base::unique_qptr<QObject> _fieldFilter;
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base::unique_qptr<QObject> _outerFilter;
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rpl::lifetime _lifetime;
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};
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} // namespace Emoji
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} // namespace Ui
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