132 lines
2.8 KiB
C++
132 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 "history/view/history_view_element.h"
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class HistoryService;
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namespace HistoryView {
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class Service : 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<HistoryService*> 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(
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Painter &p,
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QRect clip,
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TextSelection selection,
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crl::time ms) 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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TextSelection adjustSelection(
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TextSelection selection,
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TextSelectType type) const override;
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private:
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not_null<HistoryService*> message() const;
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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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struct PaintContext {
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PaintContext(crl::time ms, const QRect &clip, TextSelection selection)
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: ms(ms)
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, clip(clip)
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, selection(selection) {
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}
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crl::time ms;
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const QRect &clip;
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TextSelection selection;
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};
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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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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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const style::color &bg = st::msgServiceBg,
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const style::color &fg = st::msgServiceFg);
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static void paintDate(
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Painter &p,
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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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const style::color &bg = st::msgServiceBg,
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const style::color &fg = st::msgServiceFg);
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static void paintDate(
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Painter &p,
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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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const style::color &bg = st::msgServiceBg,
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const style::color &fg = st::msgServiceFg);
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static void paintBubble(
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Painter &p,
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int x,
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int y,
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int w,
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int h,
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const style::color &bg = st::msgServiceBg);
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static void paintComplexBubble(
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Painter &p,
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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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const style::color &bg = st::msgServiceBg);
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private:
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static QVector<int> countLineWidths(const Ui::Text::String &text, 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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void paint(Painter &p, int width, int height);
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private:
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void fillAboutGroup();
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not_null<History*> _history;
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Ui::Text::String _header = { st::msgMinWidth };
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Ui::Text::String _text = { st::msgMinWidth };
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std::vector<Ui::Text::String> _phrases;
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};
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void serviceColorsUpdated();
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} // namespace HistoryView
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