forked from qt-creator/qt-creator
6063fb84c2
- Unexport Core::Internal::MainWindow and remove its includes. - Move RssFetcher from Core::Internal to Core. - Unexport CopyTaskHandler. - Move TextEditor's completion support and Refactor Overlay helper classes from TextEditor::Internal to TextEditor as they are exported. - Move internal BaseTextBlockSelection into private header. - Unexport TextEditorOverlay as they are not used.
119 lines
3.4 KiB
C++
119 lines
3.4 KiB
C++
/**************************************************************************
|
|
**
|
|
** This file is part of Qt Creator
|
|
**
|
|
** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
|
|
**
|
|
** Contact: Nokia Corporation (qt-info@nokia.com)
|
|
**
|
|
** Commercial Usage
|
|
**
|
|
** Licensees holding valid Qt Commercial licenses may use this file in
|
|
** accordance with the Qt Commercial License Agreement provided with the
|
|
** Software or, alternatively, in accordance with the terms contained in
|
|
** a written agreement between you and Nokia.
|
|
**
|
|
** GNU Lesser General Public License Usage
|
|
**
|
|
** Alternatively, this file may be used under the terms of the GNU Lesser
|
|
** General Public License version 2.1 as published by the Free Software
|
|
** Foundation and appearing in the file LICENSE.LGPL included in the
|
|
** packaging of this file. Please review the following information to
|
|
** ensure the GNU Lesser General Public License version 2.1 requirements
|
|
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
|
**
|
|
** If you are unsure which license is appropriate for your use, please
|
|
** contact the sales department at http://qt.nokia.com/contact.
|
|
**
|
|
**************************************************************************/
|
|
|
|
#ifndef TEXTEDITOROVERLAY_H
|
|
#define TEXTEDITOROVERLAY_H
|
|
|
|
#include <QtCore/QObject>
|
|
|
|
#include <QtGui/QTextCursor>
|
|
#include <QtGui/QColor>
|
|
|
|
QT_FORWARD_DECLARE_CLASS(QWidget)
|
|
|
|
namespace TextEditor {
|
|
class BaseTextEditor;
|
|
|
|
namespace Internal {
|
|
|
|
struct OverlaySelection
|
|
{
|
|
OverlaySelection():m_fixedLength(-1), m_dropShadow(false){}
|
|
QTextCursor m_cursor_begin;
|
|
QTextCursor m_cursor_end;
|
|
QColor m_fg;
|
|
QColor m_bg;
|
|
int m_fixedLength;
|
|
bool m_dropShadow;
|
|
};
|
|
|
|
class TextEditorOverlay : public QObject
|
|
{
|
|
Q_OBJECT
|
|
BaseTextEditor *m_editor;
|
|
QWidget *m_viewport;
|
|
|
|
public:
|
|
QList<OverlaySelection> m_selections;
|
|
|
|
private:
|
|
bool m_visible;
|
|
int m_borderWidth;
|
|
int m_dropShadowWidth;
|
|
bool m_alpha;
|
|
|
|
public:
|
|
TextEditorOverlay(BaseTextEditor *editor);
|
|
|
|
QRect rect() const;
|
|
void paint(QPainter *painter, const QRect &clip);
|
|
void fill(QPainter *painter, const QColor &color, const QRect &clip);
|
|
|
|
bool isVisible() const { return m_visible; }
|
|
void setVisible(bool b);
|
|
|
|
inline void hide() { setVisible(false); }
|
|
inline void show() { setVisible(true); }
|
|
|
|
void setBorderWidth(int bw) {m_borderWidth = bw; }
|
|
|
|
void update();
|
|
|
|
void setAlpha(bool enabled) { m_alpha = enabled; }
|
|
|
|
void clear();
|
|
|
|
enum OverlaySelectionFlags {
|
|
LockSize = 1,
|
|
DropShadow = 2,
|
|
ExpandBegin = 4
|
|
};
|
|
|
|
void addOverlaySelection(const QTextCursor &cursor, const QColor &fg, const QColor &bg,
|
|
uint overlaySelectionFlags = 0);
|
|
void addOverlaySelection(int begin, int end, const QColor &fg, const QColor &bg,
|
|
uint overlaySelectionFlags = 0);
|
|
|
|
inline bool isEmpty() const { return m_selections.isEmpty(); }
|
|
|
|
inline int dropShadowWidth() const { return m_dropShadowWidth; }
|
|
|
|
bool hasCursorInSelection(const QTextCursor &cursor) const;
|
|
|
|
private:
|
|
QPainterPath createSelectionPath(const QTextCursor &begin, const QTextCursor &end, const QRect& clip);
|
|
void paintSelection(QPainter *painter, const OverlaySelection &selection);
|
|
void fillSelection(QPainter *painter, const OverlaySelection &selection, const QColor &color);
|
|
};
|
|
|
|
} // namespace Internal
|
|
} // namespace TextEditor
|
|
|
|
#endif // TEXTEDITOROVERLAY_H
|