135 lines
3.3 KiB
C++
135 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 "base/unique_qptr.h"
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#include "editor/scene/scene_item_base.h"
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namespace Ui {
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class PopupMenu;
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} // namespace Ui
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namespace Editor {
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[[nodiscard]] QColor EffectiveTextColor(const QColor &color, TextStyle style);
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struct TextLayoutSpec {
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QFont font;
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int padding = 0;
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int maxTextWidth = 0;
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};
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[[nodiscard]] TextLayoutSpec ComputeTextLayoutSpec(
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float64 fontSize,
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const QSize &imageSize,
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TextStyle style,
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TextTypeface typeface);
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struct TextBackgroundLine {
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float64 left = 0;
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float64 top = 0;
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float64 right = 0;
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float64 bottom = 0;
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};
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[[nodiscard]] QPainterPath BuildTextBackgroundPath(
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std::vector<TextBackgroundLine> lines,
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float64 fontSize);
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[[nodiscard]] QColor TextBackgroundColor(
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const QColor &color,
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TextStyle style);
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[[nodiscard]] int TextBackgroundPadding(float64 fontSize, TextStyle style);
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class ItemText : public ItemBase {
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public:
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enum { Type = ItemBase::Type + 2 };
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ItemText(
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const QString &text,
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const QColor &color,
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float64 fontSize,
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TextStyle style,
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TextTypeface typeface,
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TextAlignment alignment,
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const QSize &imageSize,
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ItemBase::Data data);
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void paint(
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QPainter *p,
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const QStyleOptionGraphicsItem *option,
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QWidget *widget) override;
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int type() const override;
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[[nodiscard]] const QString &text() const;
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void setText(const QString &text);
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[[nodiscard]] const QColor &color() const;
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void setColor(const QColor &color);
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[[nodiscard]] float64 fontSize() const;
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void setFontSize(float64 fontSize);
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[[nodiscard]] TextStyle textStyle() const;
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void setTextStyle(TextStyle style);
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[[nodiscard]] TextTypeface typeface() const;
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void setTypeface(TextTypeface typeface);
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[[nodiscard]] TextAlignment alignment() const;
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void setAlignment(TextAlignment alignment);
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[[nodiscard]] float64 editScale() const;
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void bakeScale();
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[[nodiscard]] Placement placement() const override;
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void applyPlacement(const Placement &placement) override;
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[[nodiscard]] static QSize computeContentSize(
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const QString &text,
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float64 fontSize,
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const QSize &imageSize,
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TextStyle style,
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TextTypeface typeface);
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void save(SaveState state) override;
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void restore(SaveState state) override;
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protected:
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void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event) override;
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void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override;
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void contextMenuEvent(QGraphicsSceneContextMenuEvent *event) override;
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void actionFlip() override;
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void performFlip() override;
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std::shared_ptr<ItemBase> duplicate(ItemBase::Data data) const override;
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private:
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void renderContent();
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void notifyPrefsUsed();
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QString _text;
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QColor _color;
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float64 _fontSize;
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TextStyle _textStyle = TextStyle::Plain;
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TextTypeface _typeface = TextTypeface::Default;
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TextAlignment _alignment = TextAlignment::Center;
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QSize _imageSize;
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QPixmap _pixmap;
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base::unique_qptr<Ui::PopupMenu> _contextMenu;
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struct SavedText {
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QString text;
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QColor color;
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float64 fontSize = 0.;
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TextStyle textStyle = TextStyle::Plain;
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TextTypeface typeface = TextTypeface::Default;
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TextAlignment alignment = TextAlignment::Center;
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};
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SavedText _savedState, _keepedState;
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};
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} // namespace Editor
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