| 1 | /* |
| 2 | SPDX-FileCopyrightText: 2013-2018 Dominik Haumann <dhaumann@kde.org> |
| 3 | |
| 4 | SPDX-License-Identifier: LGPL-2.0-or-later |
| 5 | */ |
| 6 | |
| 7 | #ifndef KATE_TEXT_ANIMATION_H |
| 8 | #define KATE_TEXT_ANIMATION_H |
| 9 | |
| 10 | #include <QObject> |
| 11 | #include <QRectF> |
| 12 | #include <QString> |
| 13 | |
| 14 | #include <ktexteditor/attribute.h> |
| 15 | #include <ktexteditor/range.h> |
| 16 | |
| 17 | namespace KTextEditor |
| 18 | { |
| 19 | class DocumentPrivate; |
| 20 | } |
| 21 | class KateViewInternal; |
| 22 | class QTimeLine; |
| 23 | class QPainter; |
| 24 | |
| 25 | /** |
| 26 | * This class is used to flash text in the text view. |
| 27 | * The duration of the flash animation is about 250 milliseconds. |
| 28 | * When the animation is finished, it deletes itself. |
| 29 | */ |
| 30 | class KateTextAnimation : public QObject |
| 31 | { |
| 32 | public: |
| 33 | KateTextAnimation(KTextEditor::Range range, KTextEditor::Attribute::Ptr attribute, KateViewInternal *view); |
| 34 | ~KateTextAnimation() override; |
| 35 | |
| 36 | // draw the text to highlight, given the current animation progress |
| 37 | void draw(QPainter &painter); |
| 38 | |
| 39 | public: |
| 40 | // request repaint from view of the respective region |
| 41 | void nextFrame(qreal value); |
| 42 | |
| 43 | private: |
| 44 | // calculate rect for the text to highlight, given the current animation progress |
| 45 | QRectF rectForText(); |
| 46 | |
| 47 | private: |
| 48 | KTextEditor::Range m_range; |
| 49 | QString m_text; |
| 50 | KTextEditor::Attribute::Ptr m_attribute; |
| 51 | |
| 52 | KTextEditor::DocumentPrivate *m_doc; |
| 53 | KateViewInternal *m_view; |
| 54 | QTimeLine *m_timeLine; |
| 55 | qreal m_value; |
| 56 | }; |
| 57 | |
| 58 | #endif // KATE_TEXT_ANIMATION_H |
| 59 | |