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Diffstat (limited to 'src/ui/imageviewer.h')
| -rw-r--r-- | src/ui/imageviewer.h | 336 |
1 files changed, 336 insertions, 0 deletions
diff --git a/src/ui/imageviewer.h b/src/ui/imageviewer.h new file mode 100644 index 0000000..ba98559 --- /dev/null +++ b/src/ui/imageviewer.h @@ -0,0 +1,336 @@ + +/*************************************************************************** + * fqterm, a terminal emulator for both BBS and *nix. * + * Copyright (C) 2008 fqterm development group. * + * * + * 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 of the License, 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. * + * * + * You should have received a copy of the GNU General Public License * + * along with this program; if not, write to the * + * Free Software Foundation, Inc., * + * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * + ***************************************************************************/ + +#ifndef IMAGE_VIERWER_H +#define IMAGE_VIERWER_H + +#include <QDesktopWidget> +#include <QDirModel> +#include <QLabel> +#include <QPainter> +#include <QPixmapCache> +#include <QScrollArea> +#include <QStatusBar> +#include <QToolButton> +#include <QToolBar> +#include <QLayout> +#include <QItemDelegate> +#include <QItemSelection> + +class QString; +class QPushButton; +class QVBoxLayout; +class QHBoxLayout; +class QMenuBar; +class QTreeView; +class QComboBox; + +#include "pictureflow.h" + +namespace FQTerm { + +#define DISP_MARGIN (10.0) // show a margin +#define PIXMAP_CACHESIZE (5120) // in KBytes +#define ZOOMIN_FACTOR (1.15) +#define ZOOMOUT_FACTOR (0.85) +#define ROTLEFT_DEG (-90.0) +#define ROTRIGHT_DEG (90.0) +#define IMG_CHUNK (16384) // in bytes + +#define IMAGE_BROWSER_NAME "FQLora [Image Companion for FQTerm]" +#define ICON_SOURCE "pic/ViewerButtons/" +#define POOL_SOURCE "pool/" +#define SHADOW_SOURCE "shadow-cache/" +#define TRASH_SOURCE ".Trash/" + +#define EMBLEM_LIKE "emblem-like.png" +#define EMBLEM_NEW "emblem-new.png" +#define EMBLEM_RECOVER "emblem-recover.png" +#define EMBLEM_TRASH "emblem-trash.png" +#define EMBLEM_TITLE "emblem-title.png" + + class FQTermConfig; + class FQTermFileDialog; + + + class FQTermImage : public QWidget { + Q_OBJECT; + public: + FQTermImage(QWidget * parent, Qt::WindowFlags f); + virtual void adjustItemSize() = 0; + virtual void scrollTo(const QString &) = 0; + virtual void updateImage(const QString &) = 0; + }; + + class ImageFlow; + class ImageMenu; + class ImageFlowItem; + + class FQTermImageFlow: public FQTermImage { + Q_OBJECT; + + public: + FQTermImageFlow(FQTermConfig *, QWidget *, Qt::WindowFlags); + ~FQTermImageFlow(); + + /* don't modify the funcs below */ + /* they are for API compatibiliy */ + void adjustItemSize(); + void scrollTo(const QString &); + void updateImage(const QString &); + /*********************************/ + + public slots: + void saveImages(void); + void clearImages(void); + void trashAllImages(void); + void recoverImages(void); + void showStatusMessage(const QString &message); + + private: + ImageFlow *imageFlow_; + ImageMenu *imageMenu_; + QStatusBar *statusBar_; + FQTermConfig *config_; + + QFileInfoList sortedList(const QString &path); + const QString& poolSource(void) const; + const QString& trashSource(void) const; + + private slots: + void loadImages(const int status); + void reshuffleImages(const int status); + void checkTrashState(void); + + signals: + void statusMessage(const QString &message); + void isTrashEmpty(void); + void trashStatus(const bool fullOrNot); + void saveStatus(const bool hasOrNot); + void clearStatus(const bool hasOrNot); + + protected: + void showEvent(QShowEvent *event); + void closeEvent(QCloseEvent *event); + }; + + class ImageMenu: public QLabel { + Q_OBJECT; + + public: + ImageMenu(QWidget *parent = 0); + ~ImageMenu(); + + public slots: + void updateEmblems(const int status); + void updateDustbin(const bool fullOrNot); + void updateSave(const bool hasOrNot); + void updateClear(const bool hasOrNot); + + signals: + void toggleFlowStatus(const int status); + void recoverImages(void); + void saveImages(void); + void clearImages(void); + + private: + class Private; + Private *fh; + + protected: + void paintEvent(QPaintEvent *event); + void mouseReleaseEvent(QMouseEvent *event); + }; + + class ImageFlow: public PictureFlow { + Q_OBJECT; + Q_PROPERTY(QList<QByteArray> itemsTitles READ itemsTitles); + + public: + ImageFlow(QWidget *parent); + ~ImageFlow(); + + const ImageFlowItem& operator[](int index) const; + ImageFlowItem& operator[](int index); + const ImageFlowItem& at(int index) const; + + QList<QByteArray>& itemsTitles(void) const; + + QFileInfoList& digest(const int status); + void strip(const int status); + QList<qint64> sort(const int status); + bool reorder(const QList<qint64>& itemsKey); + + public slots: + void add(const ImageFlowItem &item); + void clear(void); + int count(void) const; + int size(void) const; + void rehash(void); + void toggleStatus(const int status); + void setCurrentImage(const int index); + + private: + class Private; + Private *m; + + signals: + void statusMessage(const QString &message); + void emblemStatus(const int status); + void saveStatus(const bool hasOrNot); + void clearStatus(const bool hasOrNot); + void titlesChanged(QList<QByteArray> &titles); + + protected: + void paintEvent(QPaintEvent *event); + }; + + class ImageFlowItem: public QObject { + Q_OBJECT; + + Q_PROPERTY(qint64 key READ key); + Q_PROPERTY(int status READ status WRITE setStatus); + Q_PROPERTY(QImage image READ image WRITE setImage); + Q_PROPERTY(QFileInfo info READ info WRITE setInfo); + Q_PROPERTY(QString comment READ comment WRITE setComment); + + public: + ImageFlowItem(QObject *parent = 0); + ImageFlowItem(const ImageFlowItem &item); + ImageFlowItem(const QImage &image, QObject *parent = 0); + ImageFlowItem(const QImage &image, const QFileInfo &info, QObject *parent = 0); + ImageFlowItem(const QImage &image, const QFileInfo &info, const int state, QObject *parent = 0); + ImageFlowItem(const QImage &image, const QFileInfo &info, const QString &comment, QObject *parent = 0); + ImageFlowItem(const QImage &image, const QFileInfo &info, const QString& comment, const int status, QObject *parent = 0); + ~ImageFlowItem(); + + const QFileInfo& info(void) const; + const QString& comment(void) const; + const QImage& image(void) const; + int status(void) const; + qint64 key(void) const; + + ImageFlowItem& operator=(const ImageFlowItem &item); + bool operator==(const ImageFlowItem &item) const; + bool operator!=(const ImageFlowItem &item) const; + + public slots: + void setStatus(const int status); + void setInfo(const QFileInfo &info); + void setComment(const QString &comment); + void setImage(const QImage &image); + void setImage(const QString &filePath, int size); + + private slots: + void loadImage(void); + + private: + QImage resizeImage(const QImage &image, int size); + class Private; + Private *m; + + }; + +/////////////////////////////////////////////////////// +//////// the origin image viewer ////////////////////// +/////////////////////////////////////////////////////// + + class FQTermCanvas; + class ExifExtractor; + + class ItemDelegate : public QItemDelegate { + public: + ItemDelegate() { + size_ = QSize(250,200); + } + + QSize sizeHint (const QStyleOptionViewItem & option, const QModelIndex & index) const { + //if (index.column() == 0) return QSize(1, 1); + return size_; + } + + void paint(QPainter * painter, const QStyleOptionViewItem & option, const QModelIndex & index) const; + static QSize size_; + }; + + class ExifTable : public QLabel { + Q_OBJECT; + + public: + ExifTable(QWidget *parent); + + signals: + void showExifDetails(); + + protected: + void mouseReleaseEvent(QMouseEvent *pEvent); + }; + + class ImageViewerDirModel : public QDirModel { + public: + ImageViewerDirModel(QObject *parent = 0); + + int columnCount(const QModelIndex & = QModelIndex()) const; + QVariant headerData ( int section, Qt::Orientation orientation, int role) const; + QVariant data(const QModelIndex &index, int role) const; + }; + + + class FQTermImageOrigin: public FQTermImage { + Q_OBJECT; + + public: + FQTermImageOrigin(FQTermConfig * config, QWidget *parent, Qt::WindowFlags wflag); + ~FQTermImageOrigin(); + void scrollTo(const QString& filename); + void updateImage(const QString& filename); + + public slots: + void onChange(const QModelIndex & index); + void next(); + void previous(); + void adjustItemSize(); + void selectionChanged(const QItemSelection & selected, const QItemSelection & deselected); + void sortFileList(int index); + void showFullExifInfo(); + void adjustLayout(bool withExifTable); + void updateExifInfo(); + + protected: + void closeEvent(QCloseEvent *clse); + + private: + FQTermCanvas* canvas_; + QTreeView* tree_; + ImageViewerDirModel* model_; + QMenuBar* menuBar_; + QComboBox* comboBox_; + FQTermConfig* config_; + ExifExtractor* exifExtractor_; + ExifTable* exifTable_; + QGridLayout* layout_; + bool isExifTableShown_; + }; + + +} // namespace FQTerm + +#endif // IMAGE_VIERWER_H |