MOS
/
OpenBoard
5
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

PDF view performance:multiple pages selection

Browse Source
preferencesAboutTextFull
Anatoly Mihalchenko 12 years ago
parent 896383fd95
commit e6f84716f0
2 changed files with 1302 additions and 1284 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 1742
      src/gui/UBThumbnailWidget.cpp
  2. 844
      src/gui/UBThumbnailWidget.h

1742
src/gui/UBThumbnailWidget.cpp
View File

File diff suppressed because it is too large Load Diff

844
src/gui/UBThumbnailWidget.h
Unescape View File

@ -1,421 +1,423 @@
/*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef UBTHUMBNAILWIDGET_H_
#define UBTHUMBNAILWIDGET_H_
#include <QtGui>
#include <QtSvg>
#include <QTime>
#include <QGraphicsSceneHoverEvent>
#include "frameworks/UBCoreGraphicsScene.h"
#include "core/UBSettings.h"
#include "domain/UBItem.h"
#define STARTDRAGTIME 1000000
#define BUTTONSIZE 48
#define BUTTONSPACING 5
class UBDocumentProxy;
class UBThumbnailTextItem;
class UBThumbnail;
class UBThumbnailWidget : public QGraphicsView
{
Q_OBJECT;
public:
UBThumbnailWidget(QWidget* parent);
virtual ~UBThumbnailWidget();
QList<QGraphicsItem*> selectedItems();
void selectItemAt(int pIndex, bool extend = false);
void unselectItemAt(int pIndex);
qreal thumbnailWidth()
{
return mThumbnailWidth;
}
void setBackgroundBrush(const QBrush& brush)
{
mThumbnailsScene.setBackgroundBrush(brush);
}
public slots:
void setThumbnailWidth(qreal pThumbnailWidth);
void setSpacing(qreal pSpacing);
virtual void setGraphicsItems(const QList<QGraphicsItem*>& pGraphicsItems, const QList<QUrl>& pItemPaths, const QStringList pLabels = QStringList(), const QString& pMimeType = QString(""));
void refreshScene();
void sceneSelectionChanged();
signals:
void resized();
void selectionChanged();
void mouseDoubleClick(QGraphicsItem* item, int index);
void mouseClick(QGraphicsItem* item, int index);
protected:
virtual void mousePressEvent(QMouseEvent *event);
virtual void mouseMoveEvent(QMouseEvent *event);
virtual void mouseReleaseEvent(QMouseEvent *event);
virtual void resizeEvent(QResizeEvent * event);
void mouseDoubleClickEvent(QMouseEvent * event);
virtual void keyPressEvent(QKeyEvent *event);
virtual void focusInEvent(QFocusEvent *event);
QList<QGraphicsItem*> mGraphicItems;
QList<UBThumbnailTextItem*> mLabelsItems;
QPointF mMousePressScenePos;
QPoint mMousePressPos;
protected:
qreal spacing() { return mSpacing; }
QList<QUrl> mItemsPaths;
QStringList mLabels;
bool bSelectionInProgress;
bool bCanDrag;
private:
void selectAll();
void unselectAll();
void selectItems(int startIndex, int count);
int rowCount() const;
int columnCount() const;
static bool thumbnailLessThan(QGraphicsItem* item1, QGraphicsItem* item2);
void deleteLasso();
UBCoreGraphicsScene mThumbnailsScene;
QString mMimeType;
qreal mThumbnailWidth;
qreal mThumbnailHeight;
qreal mSpacing;
UBThumbnail *mLastSelectedThumbnail;
int mSelectionSpan;
QGraphicsRectItem *mLassoRectItem;
QList<QGraphicsItem*> mSelectedThumbnailItems;
QTime mClickTime;
};
class UBThumbnail
{
public:
UBThumbnail();
virtual ~UBThumbnail();
QStyleOptionGraphicsItem muteStyleOption(const QStyleOptionGraphicsItem *option)
{
// Never draw the rubber band, we draw our custom selection with the DelegateFrame
QStyleOptionGraphicsItem styleOption = QStyleOptionGraphicsItem(*option);
styleOption.state &= ~QStyle::State_Selected;
return styleOption;
}
virtual void itemChange(QGraphicsItem *item, QGraphicsItem::GraphicsItemChange change, const QVariant &value)
{
Q_UNUSED(value);
if ((change == QGraphicsItem::ItemSelectedHasChanged
|| change == QGraphicsItem::ItemTransformHasChanged
|| change == QGraphicsItem::ItemPositionHasChanged)
&& item->scene())
{
if (item->isSelected())
{
if (!mSelectionItem->scene())
{
item->scene()->addItem(mSelectionItem);
mSelectionItem->setZValue(item->zValue() - 1);
// UBGraphicsItem::assignZValue(mSelectionItem, item->zValue() - 1);
mAddedToScene = true;
}
mSelectionItem->setRect(
item->sceneBoundingRect().x() - 5,
item->sceneBoundingRect().y() - 5,
item->sceneBoundingRect().width() + 10,
item->sceneBoundingRect().height() + 10);
mSelectionItem->show();
}
else
{
mSelectionItem->hide();
}
}
}
int column() { return mColumn; }
void setColumn(int column) { mColumn = column; }
int row() { return mRow; }
void setRow(int row) { mRow = row; }
protected:
QGraphicsRectItem *mSelectionItem;
private:
bool mAddedToScene;
int mColumn;
int mRow;
};
class UBThumbnailSvg : public QGraphicsSvgItem, public UBThumbnail
{
public:
UBThumbnailSvg(const QString& path)
: QGraphicsSvgItem(path)
{
setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
}
virtual ~UBThumbnailSvg()
{
// NOOP
}
virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
QStyleOptionGraphicsItem styleOption = UBThumbnail::muteStyleOption(option);
QGraphicsSvgItem::paint(painter, &styleOption, widget);
}
virtual QVariant itemChange(GraphicsItemChange change, const QVariant &value)
{
UBThumbnail::itemChange(this, change, value);
return QGraphicsSvgItem::itemChange(change, value);
}
};
class UBThumbnailPixmap : public QGraphicsPixmapItem, public UBThumbnail
{
public:
UBThumbnailPixmap(const QPixmap& pix)
: QGraphicsPixmapItem(pix)
{
setTransformationMode(Qt::SmoothTransformation); // UB 4.3 may be expensive -- make configurable
setShapeMode(QGraphicsPixmapItem::BoundingRectShape);
setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
}
virtual ~UBThumbnailPixmap()
{
// NOOP
}
virtual QPainterPath shape () const
{
QPainterPath path;
path.addRect(boundingRect());
return path;
}
virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
QStyleOptionGraphicsItem styleOption = UBThumbnail::muteStyleOption(option);
QGraphicsPixmapItem::paint(painter, &styleOption, widget);
}
virtual QVariant itemChange(GraphicsItemChange change, const QVariant &value)
{
UBThumbnail::itemChange(this, change, value);
return QGraphicsPixmapItem::itemChange(change, value);
}
};
class UBSceneThumbnailPixmap : public UBThumbnailPixmap
{
public:
UBSceneThumbnailPixmap(const QPixmap& pix, UBDocumentProxy* proxy, int pSceneIndex)
: UBThumbnailPixmap(pix)
, mProxy(proxy)
, mSceneIndex(pSceneIndex)
{
// NOOP
}
virtual ~UBSceneThumbnailPixmap()
{
// NOOP
}
UBDocumentProxy* proxy()
{
return mProxy;
}
int sceneIndex()
{
return mSceneIndex;
}
void highlight()
{
//NOOP
}
private:
UBDocumentProxy* mProxy;
int mSceneIndex;
};
class UBSceneThumbnailNavigPixmap : public UBSceneThumbnailPixmap
{
public:
UBSceneThumbnailNavigPixmap(const QPixmap& pix, UBDocumentProxy* proxy, int pSceneIndex);
~UBSceneThumbnailNavigPixmap();
protected:
void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
void mousePressEvent(QGraphicsSceneMouseEvent *event);
private:
void updateButtonsState();
void deletePage();
void moveUpPage();
void moveDownPage();
bool bButtonsVisible;
bool bCanDelete;
bool bCanMoveUp;
bool bCanMoveDown;
};
class UBThumbnailVideo : public UBThumbnailPixmap
{
public:
UBThumbnailVideo(const QUrl &path)
: UBThumbnailPixmap(QPixmap(":/images/movie.svg"))
, mPath(path)
{
// NOOP
}
virtual ~UBThumbnailVideo()
{
// NOOP
}
QUrl path()
{
return mPath;
}
private:
QUrl mPath;
};
class UBThumbnailTextItem : public QGraphicsTextItem
{
public:
UBThumbnailTextItem(const QString& text)
: QGraphicsTextItem(text)
, mUnelidedText(text)
, mIsHighlighted(false)
{
setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
}
QRectF boundingRect() const { return QRectF(QPointF(0.0, 0.0), QSize(mWidth, QFontMetricsF(font()).height() + 5));}
void setWidth(qreal pWidth)
{
if (mWidth != pWidth)
{
prepareGeometryChange();
mWidth = pWidth;
computeText();
}
};
qreal width() {return mWidth;}
void highlight()
{
if (!mIsHighlighted)
{
mIsHighlighted = true;
computeText();
}
}
void computeText()
{
QFontMetricsF fm(font());
QString elidedText = fm.elidedText(mUnelidedText, Qt::ElideRight, mWidth);
if (mIsHighlighted)
{
setHtml("<span style=\"color: #6682b5\">" + elidedText + "</span>");
}
else
{
setPlainText(elidedText);
}
}
private:
qreal mWidth;
QString mUnelidedText;
bool mIsHighlighted;
};
class UBImgTextThumbnailElement
{
private:
QGraphicsItem* thumbnail;
UBThumbnailTextItem* caption;
int border;
public:
UBImgTextThumbnailElement(QGraphicsItem* thumb, UBThumbnailTextItem* text): border(0)
{
this->thumbnail = thumb;
this->caption = text;
}
QGraphicsItem* getThumbnail() const { return this->thumbnail; }
void setThumbnail(QGraphicsItem* newGItem) { this->thumbnail = newGItem; }
UBThumbnailTextItem* getCaption() const { return this->caption; }
void setCaption(UBThumbnailTextItem* newcaption) { this->caption = newcaption; }
void Place(int row, int col, qreal width, qreal height);
int getBorder() const { return this->border; }
void setBorder(int newBorder) { this->border = newBorder; }
};
#endif /* UBTHUMBNAILWIDGET_H_ */
/*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef UBTHUMBNAILWIDGET_H_
#define UBTHUMBNAILWIDGET_H_
#include <QtGui>
#include <QtSvg>
#include <QTime>
#include <QGraphicsSceneHoverEvent>
#include "frameworks/UBCoreGraphicsScene.h"
#include "core/UBSettings.h"
#include "domain/UBItem.h"
#define STARTDRAGTIME 1000000
#define BUTTONSIZE 48
#define BUTTONSPACING 5
class UBDocumentProxy;
class UBThumbnailTextItem;
class UBThumbnail;
class UBThumbnailWidget : public QGraphicsView
{
Q_OBJECT;
public:
UBThumbnailWidget(QWidget* parent);
virtual ~UBThumbnailWidget();
QList<QGraphicsItem*> selectedItems();
void selectItemAt(int pIndex, bool extend = false);
void unselectItemAt(int pIndex);
qreal thumbnailWidth()
{
return mThumbnailWidth;
}
void setBackgroundBrush(const QBrush& brush)
{
mThumbnailsScene.setBackgroundBrush(brush);
}
public slots:
void setThumbnailWidth(qreal pThumbnailWidth);
void setSpacing(qreal pSpacing);
virtual void setGraphicsItems(const QList<QGraphicsItem*>& pGraphicsItems, const QList<QUrl>& pItemPaths, const QStringList pLabels = QStringList(), const QString& pMimeType = QString(""));
void refreshScene();
void sceneSelectionChanged();
signals:
void resized();
void selectionChanged();
void mouseDoubleClick(QGraphicsItem* item, int index);
void mouseClick(QGraphicsItem* item, int index);
protected:
virtual void mousePressEvent(QMouseEvent *event);
virtual void mouseMoveEvent(QMouseEvent *event);
virtual void mouseReleaseEvent(QMouseEvent *event);
virtual void resizeEvent(QResizeEvent * event);
void mouseDoubleClickEvent(QMouseEvent * event);
virtual void keyPressEvent(QKeyEvent *event);
virtual void focusInEvent(QFocusEvent *event);
QList<QGraphicsItem*> mGraphicItems;
QList<UBThumbnailTextItem*> mLabelsItems;
QPointF mMousePressScenePos;
QPoint mMousePressPos;
protected:
qreal spacing() { return mSpacing; }
QList<QUrl> mItemsPaths;
QStringList mLabels;
bool bSelectionInProgress;
bool bCanDrag;
private:
void selectAll();
void selectItems(int startIndex, int count);
int rowCount() const;
int columnCount() const;
static bool thumbnailLessThan(QGraphicsItem* item1, QGraphicsItem* item2);
void deleteLasso();
UBCoreGraphicsScene mThumbnailsScene;
QString mMimeType;
QPointF prevMoveMousePos;
qreal mThumbnailWidth;
qreal mThumbnailHeight;
qreal mSpacing;
UBThumbnail *mLastSelectedThumbnail;
int mSelectionSpan;
QGraphicsRectItem *mLassoRectItem;
QSet<QGraphicsItem*> mSelectedThumbnailItems;
QSet<QGraphicsItem*> mPreviouslyIncrementalSelectedItems;
QTime mClickTime;
};
class UBThumbnail
{
public:
UBThumbnail();
virtual ~UBThumbnail();
QStyleOptionGraphicsItem muteStyleOption(const QStyleOptionGraphicsItem *option)
{
// Never draw the rubber band, we draw our custom selection with the DelegateFrame
QStyleOptionGraphicsItem styleOption = QStyleOptionGraphicsItem(*option);
styleOption.state &= ~QStyle::State_Selected;
return styleOption;
}
virtual void itemChange(QGraphicsItem *item, QGraphicsItem::GraphicsItemChange change, const QVariant &value)
{
Q_UNUSED(value);
if ((change == QGraphicsItem::ItemSelectedHasChanged
|| change == QGraphicsItem::ItemTransformHasChanged
|| change == QGraphicsItem::ItemPositionHasChanged)
&& item->scene())
{
if (item->isSelected())
{
if (!mSelectionItem->scene())
{
item->scene()->addItem(mSelectionItem);
mSelectionItem->setZValue(item->zValue() - 1);
// UBGraphicsItem::assignZValue(mSelectionItem, item->zValue() - 1);
mAddedToScene = true;
}
mSelectionItem->setRect(
item->sceneBoundingRect().x() - 5,
item->sceneBoundingRect().y() - 5,
item->sceneBoundingRect().width() + 10,
item->sceneBoundingRect().height() + 10);
mSelectionItem->show();
}
else
{
mSelectionItem->hide();
}
}
}
int column() { return mColumn; }
void setColumn(int column) { mColumn = column; }
int row() { return mRow; }
void setRow(int row) { mRow = row; }
protected:
QGraphicsRectItem *mSelectionItem;
private:
bool mAddedToScene;
int mColumn;
int mRow;
};
class UBThumbnailSvg : public QGraphicsSvgItem, public UBThumbnail
{
public:
UBThumbnailSvg(const QString& path)
: QGraphicsSvgItem(path)
{
setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
}
virtual ~UBThumbnailSvg()
{
// NOOP
}
virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
QStyleOptionGraphicsItem styleOption = UBThumbnail::muteStyleOption(option);
QGraphicsSvgItem::paint(painter, &styleOption, widget);
}
virtual QVariant itemChange(GraphicsItemChange change, const QVariant &value)
{
UBThumbnail::itemChange(this, change, value);
return QGraphicsSvgItem::itemChange(change, value);
}
};
class UBThumbnailPixmap : public QGraphicsPixmapItem, public UBThumbnail
{
public:
UBThumbnailPixmap(const QPixmap& pix)
: QGraphicsPixmapItem(pix)
{
setTransformationMode(Qt::SmoothTransformation); // UB 4.3 may be expensive -- make configurable
setShapeMode(QGraphicsPixmapItem::BoundingRectShape);
setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
}
virtual ~UBThumbnailPixmap()
{
// NOOP
}
virtual QPainterPath shape () const
{
QPainterPath path;
path.addRect(boundingRect());
return path;
}
virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
QStyleOptionGraphicsItem styleOption = UBThumbnail::muteStyleOption(option);
QGraphicsPixmapItem::paint(painter, &styleOption, widget);
}
virtual QVariant itemChange(GraphicsItemChange change, const QVariant &value)
{
UBThumbnail::itemChange(this, change, value);
return QGraphicsPixmapItem::itemChange(change, value);
}
};
class UBSceneThumbnailPixmap : public UBThumbnailPixmap
{
public:
UBSceneThumbnailPixmap(const QPixmap& pix, UBDocumentProxy* proxy, int pSceneIndex)
: UBThumbnailPixmap(pix)
, mProxy(proxy)
, mSceneIndex(pSceneIndex)
{
// NOOP
}
virtual ~UBSceneThumbnailPixmap()
{
// NOOP
}
UBDocumentProxy* proxy()
{
return mProxy;
}
int sceneIndex()
{
return mSceneIndex;
}
void highlight()
{
//NOOP
}
private:
UBDocumentProxy* mProxy;
int mSceneIndex;
};
class UBSceneThumbnailNavigPixmap : public UBSceneThumbnailPixmap
{
public:
UBSceneThumbnailNavigPixmap(const QPixmap& pix, UBDocumentProxy* proxy, int pSceneIndex);
~UBSceneThumbnailNavigPixmap();
protected:
void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
void mousePressEvent(QGraphicsSceneMouseEvent *event);
private:
void updateButtonsState();
void deletePage();
void moveUpPage();
void moveDownPage();
bool bButtonsVisible;
bool bCanDelete;
bool bCanMoveUp;
bool bCanMoveDown;
};
class UBThumbnailVideo : public UBThumbnailPixmap
{
public:
UBThumbnailVideo(const QUrl &path)
: UBThumbnailPixmap(QPixmap(":/images/movie.svg"))
, mPath(path)
{
// NOOP
}
virtual ~UBThumbnailVideo()
{
// NOOP
}
QUrl path()
{
return mPath;
}
private:
QUrl mPath;
};
class UBThumbnailTextItem : public QGraphicsTextItem
{
public:
UBThumbnailTextItem(const QString& text)
: QGraphicsTextItem(text)
, mUnelidedText(text)
, mIsHighlighted(false)
{
setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
}
QRectF boundingRect() const { return QRectF(QPointF(0.0, 0.0), QSize(mWidth, QFontMetricsF(font()).height() + 5));}
void setWidth(qreal pWidth)
{
if (mWidth != pWidth)
{
prepareGeometryChange();
mWidth = pWidth;
computeText();
}
};
qreal width() {return mWidth;}
void highlight()
{
if (!mIsHighlighted)
{
mIsHighlighted = true;
computeText();
}
}
void computeText()
{
QFontMetricsF fm(font());
QString elidedText = fm.elidedText(mUnelidedText, Qt::ElideRight, mWidth);
if (mIsHighlighted)
{
setHtml("<span style=\"color: #6682b5\">" + elidedText + "</span>");
}
else
{
setPlainText(elidedText);
}
}
private:
qreal mWidth;
QString mUnelidedText;
bool mIsHighlighted;
};
class UBImgTextThumbnailElement
{
private:
QGraphicsItem* thumbnail;
UBThumbnailTextItem* caption;
int border;
public:
UBImgTextThumbnailElement(QGraphicsItem* thumb, UBThumbnailTextItem* text): border(0)
{
this->thumbnail = thumb;
this->caption = text;
}
QGraphicsItem* getThumbnail() const { return this->thumbnail; }
void setThumbnail(QGraphicsItem* newGItem) { this->thumbnail = newGItem; }
UBThumbnailTextItem* getCaption() const { return this->caption; }
void setCaption(UBThumbnailTextItem* newcaption) { this->caption = newcaption; }
void Place(int row, int col, qreal width, qreal height);
int getBorder() const { return this->border; }
void setBorder(int newBorder) { this->border = newBorder; }
};
#endif /* UBTHUMBNAILWIDGET_H_ */

Write Preview
Loading…
Cancel
Save