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Diffstat (limited to 'digikam/libs/thumbbar/thumbbar.h')
| -rw-r--r-- | digikam/libs/thumbbar/thumbbar.h | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/digikam/libs/thumbbar/thumbbar.h b/digikam/libs/thumbbar/thumbbar.h new file mode 100644 index 0000000..8cccfe5 --- /dev/null +++ b/digikam/libs/thumbbar/thumbbar.h @@ -0,0 +1,238 @@ +/* ============================================================ + * + * This file is a part of digiKam project + * http://www.digikam.org + * + * Date : 2004-11-22 + * Description : a bar widget to display image thumbnails + * + * Copyright (C) 2004-2005 by Renchi Raju <renchi@pooh.tam.uiuc.edu> + * Copyright (C) 2005-2008 by Gilles Caulier <caulier dot gilles at gmail dot com> + * + * This program is free software; you can redistribute it + * and/or modify it under the terms of the GNU General + * Public License as published by the Free Software Foundation; + * either version 2, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * ============================================================ */ + +#ifndef THUMBBAR_H +#define THUMBBAR_H + +// Qt includes. + +#include <qstring.h> +#include <qscrollview.h> +#include <qtooltip.h> + +// KDE includes. + +#include <kurl.h> + +// Local includes. + +#include "digikam_export.h" + +namespace Digikam +{ + +class ThumbBarItem; +class ThumbBarToolTip; +class ThumbBarViewPriv; +class ThumbBarItemPriv; + +class DIGIKAM_EXPORT ThumbBarToolTipSettings +{ +public: + + ThumbBarToolTipSettings() + { + showToolTips = true; + showFileName = true; + showFileDate = false; + showFileSize = false; + showImageType = false; + showImageDim = true; + showPhotoMake = true; + showPhotoDate = true; + showPhotoFocal = true; + showPhotoExpo = true; + showPhotoMode = true; + showPhotoFlash = false; + showPhotoWB = false; + }; + + bool showToolTips; + bool showFileName; + bool showFileDate; + bool showFileSize; + bool showImageType; + bool showImageDim; + bool showPhotoMake; + bool showPhotoDate; + bool showPhotoFocal; + bool showPhotoExpo; + bool showPhotoMode; + bool showPhotoFlash; + bool showPhotoWB; +}; + +// ------------------------------------------------------------------------- + +class DIGIKAM_EXPORT ThumbBarView : public QScrollView +{ + Q_OBJECT + +public: + + enum Orientation + { + Horizontal=0, + Vertical + }; + +public: + + ThumbBarView(QWidget* parent, int orientation=Vertical, bool exifRotate=true, + ThumbBarToolTipSettings settings=ThumbBarToolTipSettings()); + virtual ~ThumbBarView(); + + int countItems(); + KURL::List itemsURLs(); + + void clear(bool updateView=true); + void triggerUpdate(); + + void removeItem(ThumbBarItem* item); + + void setSelected(ThumbBarItem* item); + void ensureItemVisible(ThumbBarItem* item); + + void setExifRotate(bool exifRotate); + bool getExifRotate(); + + void setToolTipSettings(const ThumbBarToolTipSettings &settings); + ThumbBarToolTipSettings& getToolTipSettings(); + + ThumbBarItem* currentItem() const; + ThumbBarItem* firstItem() const; + ThumbBarItem* lastItem() const; + ThumbBarItem* findItem(const QPoint& pos) const; + ThumbBarItem* findItemByURL(const KURL& url) const; + + void refreshThumbs(const KURL::List& urls); + void invalidateThumb(ThumbBarItem* item); + +signals: + + void signalItemSelected(ThumbBarItem*); + void signalURLSelected(const KURL&); + void signalItemAdded(); + +protected: + + int getOrientation(); + int getTileSize(); + int getMargin(); + + void resizeEvent(QResizeEvent*); + void contentsMousePressEvent(QMouseEvent*); + void contentsMouseMoveEvent(QMouseEvent*); + void contentsMouseReleaseEvent(QMouseEvent*); + void contentsWheelEvent(QWheelEvent*); + + void insertItem(ThumbBarItem* item); + void rearrangeItems(); + void repaintItem(ThumbBarItem* item); + + virtual void viewportPaintEvent(QPaintEvent*); + virtual void startDrag(); + +protected slots: + + void slotUpdate(); + +private slots: + + void slotGotThumbnail(const KURL&, const QPixmap&); + void slotFailedThumbnail(const KURL&); + +private: + + ThumbBarViewPriv* d; + + friend class ThumbBarItem; +}; + +// ------------------------------------------------------------------------- + +class DIGIKAM_EXPORT ThumbBarItem +{ +public: + + ThumbBarItem(ThumbBarView *view, const KURL& url); + virtual ~ThumbBarItem(); + + KURL url() const; + + ThumbBarItem* next() const; + ThumbBarItem* prev() const; + int position() const; + QRect rect() const; + QPixmap* pixmap() const; + + void repaint(); + +private: + + ThumbBarItemPriv* d; + + friend class ThumbBarView; +}; + +// ------------------------------------------------------------------------- + +class DIGIKAM_EXPORT ThumbBarToolTip : public QToolTip +{ + +public: + + ThumbBarToolTip(ThumbBarView *parent); + virtual ~ThumbBarToolTip(){}; + +protected: + + const uint m_maxStringLen; + + QString m_headBeg; + QString m_headEnd; + QString m_cellBeg; + QString m_cellMid; + QString m_cellEnd; + QString m_cellSpecBeg; + QString m_cellSpecMid; + QString m_cellSpecEnd; + + ThumbBarView *m_view; + +protected: + + QString breakString(const QString& input); + + virtual QString tipContentExtraData(ThumbBarItem*){ return QString(); }; + +private: + + void maybeTip(const QPoint& pos); + QString tipContent(ThumbBarItem* item); +}; + +} // NameSpace Digikam + +#endif /* THUMBBAR_H */ |