157 lines
3.3 KiB
C++
157 lines
3.3 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 "history/view/history_view_element.h"
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class HistoryItem;
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namespace Ui {
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class ChatStyle;
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struct CornersPixmaps;
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} // namespace Ui
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namespace Data {
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class ForumTopic;
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} // namespace Data
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namespace Info::Profile {
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class TopicIconView;
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} // namespace Info::Profile
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namespace HistoryView {
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class Service final : public Element {
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public:
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Service(
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not_null<ElementDelegate*> delegate,
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not_null<HistoryItem*> data,
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Element *replacing);
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int marginTop() const override;
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int marginBottom() const override;
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bool isHidden() const override;
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void draw(Painter &p, const PaintContext &context) const override;
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PointState pointState(QPoint point) const override;
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TextState textState(
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QPoint point,
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StateRequest request) const override;
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void updatePressed(QPoint point) override;
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TextForMimeData selectedText(TextSelection selection) const override;
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SelectedQuote selectedQuote(TextSelection selection) const override;
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TextSelection selectionFromQuote(
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not_null<HistoryItem*> item,
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const TextWithEntities "e) const override;
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TextSelection adjustSelection(
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TextSelection selection,
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TextSelectType type) const override;
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QRect innerGeometry() const override;
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private:
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[[nodiscard]] QRect countGeometry() const;
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QSize performCountOptimalSize() override;
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QSize performCountCurrentSize(int newWidth) override;
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};
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int WideChatWidth();
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class ServiceMessagePainter {
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public:
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static void PaintDate(
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Painter &p,
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not_null<const Ui::ChatStyle*> st,
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const QDateTime &date,
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int y,
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int w,
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bool chatWide);
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static void PaintDate(
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Painter &p,
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not_null<const Ui::ChatStyle*> st,
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const QString &dateText,
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int y,
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int w,
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bool chatWide);
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static void PaintDate(
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Painter &p,
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not_null<const Ui::ChatStyle*> st,
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const QString &dateText,
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int dateTextWidth,
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int y,
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int w,
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bool chatWide);
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static void PaintDate(
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Painter &p,
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const style::color &bg,
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const Ui::CornersPixmaps &corners,
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const style::color &fg,
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const QString &dateText,
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int dateTextWidth,
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int y,
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int w,
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bool chatWide);
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static void PaintBubble(
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Painter &p,
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not_null<const Ui::ChatStyle*> st,
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QRect rect);
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static void PaintBubble(
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Painter &p,
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const style::color &bg,
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const Ui::CornersPixmaps &corners,
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QRect rect);
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static void PaintComplexBubble(
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Painter &p,
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not_null<const Ui::ChatStyle*> st,
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int left,
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int width,
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const Ui::Text::String &text,
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const QRect &textRect);
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private:
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static std::vector<int> CountLineWidths(
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const Ui::Text::String &text,
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const QRect &textRect);
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};
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class EmptyPainter {
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public:
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explicit EmptyPainter(not_null<History*> history);
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EmptyPainter(
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not_null<Data::ForumTopic*> topic,
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Fn<bool()> paused,
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Fn<void()> update);
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~EmptyPainter();
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void paint(
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Painter &p,
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not_null<const Ui::ChatStyle*> st,
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int width,
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int height);
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private:
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void fillAboutGroup();
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void fillAboutTopic();
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not_null<History*> _history;
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Data::ForumTopic *_topic = nullptr;
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std::unique_ptr<Info::Profile::TopicIconView> _icon;
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Ui::Text::String _header;
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Ui::Text::String _text;
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std::vector<Ui::Text::String> _phrases;
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rpl::lifetime _lifetime;
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};
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} // namespace HistoryView
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