mirror of
https://github.com/vale981/tdesktop
synced 2025-03-09 20:46:58 -04:00
138 lines
3.6 KiB
C++
138 lines
3.6 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop 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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It 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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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
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*/
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#pragma once
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#include "styles/style_widgets.h"
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class InputField;
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namespace Ui {
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class IconButton;
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class MultiSelect : public TWidget {
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public:
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MultiSelect(QWidget *parent, const style::MultiSelect &st, const QString &placeholder = QString());
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QString getQuery() const;
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void setInnerFocus();
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void setQueryChangedCallback(base::lambda_unique<void(const QString &query)> callback);
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void setSubmittedCallback(base::lambda_unique<void(bool ctrlShiftEnter)> callback);
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class Item;
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void addItem(std_::unique_ptr<Item> item);
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void setItemText(uint64 itemId, const QString &text);
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void setItemRemovedCallback(base::lambda_unique<void(uint64 itemId)> callback);
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void removeItem(uint64 itemId); // Always calls the itemRemovedCallback().
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protected:
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int resizeGetHeight(int newWidth) override;
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void resizeEvent(QResizeEvent *e) override;
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private:
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ChildWidget<ScrollArea> _scroll;
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class Inner;
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ChildWidget<Inner> _inner;
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const style::MultiSelect &_st;
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};
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class MultiSelect::Item {
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public:
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Item(uint64 id, const QString &text, const style::color &color);
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uint64 id() const {
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return _id;
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}
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void setText(const QString &text);
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void paint(Painter &p, int x, int y);
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virtual ~Item() = default;
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protected:
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virtual void paintImage(Painter &p, int x, int y, int outerWidth, int size) = 0;
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private:
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uint64 _id;
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};
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// This class is hold in header because it requires Qt preprocessing.
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class MultiSelect::Inner : public ScrolledWidget {
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Q_OBJECT
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public:
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Inner(QWidget *parent, const style::MultiSelect &st, const QString &placeholder);
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QString getQuery() const;
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bool setInnerFocus();
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void setQueryChangedCallback(base::lambda_unique<void(const QString &query)> callback);
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void setSubmittedCallback(base::lambda_unique<void(bool ctrlShiftEnter)> callback);
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void addItem(std_::unique_ptr<Item> item);
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void setItemText(uint64 itemId, const QString &text);
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void setItemRemovedCallback(base::lambda_unique<void(uint64 itemId)> callback);
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void removeItem(uint64 itemId); // Always calls the itemRemovedCallback().
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~Inner();
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protected:
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int resizeGetHeight(int newWidth) override;
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void resizeEvent(QResizeEvent *e) override;
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private slots:
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void onQueryChanged();
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void onSubmitted(bool ctrlShiftEnter) {
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if (_submittedCallback) {
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_submittedCallback(ctrlShiftEnter);
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}
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}
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private:
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void refreshItemsGeometry(Item *startingFromItem);
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const style::MultiSelect &_st;
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using Row = QList<Item*>;
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using Rows = QList<Row>;
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Rows _rows;
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using Items = QList<Item*>;
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Items _items;
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ChildWidget<InputField> _filter;
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ChildWidget<Ui::IconButton> _cancel;
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base::lambda_unique<void(const QString &query)> _queryChangedCallback;
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base::lambda_unique<void(bool ctrlShiftEnter)> _submittedCallback;
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base::lambda_unique<void(uint64 itemId)> _itemRemovedCallback;
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};
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} // namespace Ui
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