author | leseb <leseb> | 2002-07-10 21:59:27 (UTC) |
---|---|---|
committer | leseb <leseb> | 2002-07-10 21:59:27 (UTC) |
commit | f568737c20bea96fb79d85681a72e142ec05d66f (patch) (side-by-side diff) | |
tree | 80d08b351bbdeec5be93885a4c18ba0207ef990a /noncore/graphics/drawpad | |
parent | 01b04adb73c8bc49938b71a4bebe6fb6a5477f75 (diff) | |
download | opie-f568737c20bea96fb79d85681a72e142ec05d66f.zip opie-f568737c20bea96fb79d85681a72e142ec05d66f.tar.gz opie-f568737c20bea96fb79d85681a72e142ec05d66f.tar.bz2 |
Undo/redo reimplemented
-rw-r--r-- | noncore/graphics/drawpad/drawpad.cpp | 28 | ||||
-rw-r--r-- | noncore/graphics/drawpad/drawpad.h | 4 | ||||
-rw-r--r-- | noncore/graphics/drawpad/drawpadcanvas.cpp | 144 | ||||
-rw-r--r-- | noncore/graphics/drawpad/drawpadcanvas.h | 4 | ||||
-rw-r--r-- | noncore/graphics/drawpad/erasetool.cpp | 8 | ||||
-rw-r--r-- | noncore/graphics/drawpad/filltool.cpp | 8 | ||||
-rw-r--r-- | noncore/graphics/drawpad/page.cpp | 60 | ||||
-rw-r--r-- | noncore/graphics/drawpad/page.h | 18 | ||||
-rw-r--r-- | noncore/graphics/drawpad/pageinformationdialog.cpp | 4 | ||||
-rw-r--r-- | noncore/graphics/drawpad/pointtool.cpp | 8 | ||||
-rw-r--r-- | noncore/graphics/drawpad/shapetool.cpp | 12 | ||||
-rw-r--r-- | noncore/graphics/drawpad/texttool.cpp | 6 | ||||
-rw-r--r-- | noncore/graphics/drawpad/thumbnailview.cpp | 6 |
13 files changed, 146 insertions, 164 deletions
diff --git a/noncore/graphics/drawpad/drawpad.cpp b/noncore/graphics/drawpad/drawpad.cpp index 4eb47a5..b0a414e 100644 --- a/noncore/graphics/drawpad/drawpad.cpp +++ b/noncore/graphics/drawpad/drawpad.cpp @@ -55,9 +55,7 @@ DrawPad::DrawPad(QWidget* parent, const char* name) m_pDrawPadCanvas = new DrawPadCanvas(this, this); - connect(m_pDrawPadCanvas, SIGNAL(pagesChanged()), this, SLOT(updateNavigationToolButtons())); - connect(m_pDrawPadCanvas, SIGNAL(pagesChanged()), this, SLOT(updateCaption())); - connect(m_pDrawPadCanvas, SIGNAL(pageBackupsChanged()), this, SLOT(updateUndoRedoToolButtons())); + connect(m_pDrawPadCanvas, SIGNAL(pagesChanged()), this, SLOT(updateView())); setCentralWidget(m_pDrawPadCanvas); @@ -542,27 +540,21 @@ void DrawPad::changeBrushColor(const QColor& color) m_pBrushColorToolButton->popup()->hide(); } -void DrawPad::updateUndoRedoToolButtons() -{ - m_pUndoAction->setEnabled(m_pDrawPadCanvas->undoEnabled()); - m_pRedoAction->setEnabled(m_pDrawPadCanvas->redoEnabled()); -} - -void DrawPad::updateNavigationToolButtons() -{ - m_pFirstPageAction->setEnabled(m_pDrawPadCanvas->goPreviousPageEnabled()); - m_pPreviousPageAction->setEnabled(m_pDrawPadCanvas->goPreviousPageEnabled()); - m_pNextPageAction->setEnabled(m_pDrawPadCanvas->goNextPageEnabled()); - m_pLastPageAction->setEnabled(m_pDrawPadCanvas->goNextPageEnabled()); -} - -void DrawPad::updateCaption() +void DrawPad::updateView() { uint pagePosition = m_pDrawPadCanvas->pagePosition(); uint pageCount = m_pDrawPadCanvas->pageCount(); setCaption(tr("DrawPad") + " - " + tr("Page") + " " + QString::number(pagePosition) + "/" + QString::number(pageCount)); + + m_pUndoAction->setEnabled(m_pDrawPadCanvas->currentPage()->undoEnabled()); + m_pRedoAction->setEnabled(m_pDrawPadCanvas->currentPage()->redoEnabled()); + + m_pFirstPageAction->setEnabled(m_pDrawPadCanvas->goPreviousPageEnabled()); + m_pPreviousPageAction->setEnabled(m_pDrawPadCanvas->goPreviousPageEnabled()); + m_pNextPageAction->setEnabled(m_pDrawPadCanvas->goNextPageEnabled()); + m_pLastPageAction->setEnabled(m_pDrawPadCanvas->goNextPageEnabled()); } void DrawPad::deleteAll() diff --git a/noncore/graphics/drawpad/drawpad.h b/noncore/graphics/drawpad/drawpad.h index c57606c..7306228 100644 --- a/noncore/graphics/drawpad/drawpad.h +++ b/noncore/graphics/drawpad/drawpad.h @@ -60,9 +60,7 @@ private slots: void changePenColor(const QColor& color); void changeBrushColor(const QColor& color); - void updateUndoRedoToolButtons(); - void updateNavigationToolButtons(); - void updateCaption(); + void updateView(); void deleteAll(); void importPage(); diff --git a/noncore/graphics/drawpad/drawpadcanvas.cpp b/noncore/graphics/drawpad/drawpadcanvas.cpp index 05dd408..025bebb 100644 --- a/noncore/graphics/drawpad/drawpadcanvas.cpp +++ b/noncore/graphics/drawpad/drawpadcanvas.cpp @@ -28,8 +28,6 @@ #include <qtextstream.h> #include <qxml.h> -const int PAGE_BACKUPS = 99; - class DrawPadCanvasXmlHandler: public QXmlDefaultHandler { public: @@ -149,7 +147,7 @@ bool DrawPadCanvasXmlHandler::characters(const QString& ch) Page* page = new Page(m_title, image.width(), image.height()); page->setLastModified(m_date); - page->convertFromImage(image); + page->pixmap()->convertFromImage(image); m_pages.append(page); } @@ -161,7 +159,6 @@ DrawPadCanvas::DrawPadCanvas(DrawPad* drawPad, QWidget* parent, const char* name { m_pDrawPad = drawPad; m_pages.setAutoDelete(true); - m_pageBackups.setAutoDelete(true); viewport()->setBackgroundMode(QWidget::NoBackground); } @@ -186,32 +183,24 @@ void DrawPadCanvas::load(QIODevice* ioDevice) if (m_pages.isEmpty()) { m_pages.append(new Page("", contentsRect().size())); - m_pages.current()->fill(Qt::white); + m_pages.current()->pixmap()->fill(Qt::white); } - m_pageBackups.clear(); - m_pageBackups.append(new Page(*(m_pages.current()))); - - resizeContents(m_pages.current()->width(), m_pages.current()->height()); + resizeContents(m_pages.current()->pixmap()->width(), m_pages.current()->pixmap()->height()); viewport()->update(); emit pagesChanged(); - emit pageBackupsChanged(); } void DrawPadCanvas::initialPage() { m_pages.append(new Page("", 236, 232)); - m_pages.current()->fill(Qt::white); + m_pages.current()->pixmap()->fill(Qt::white); - m_pageBackups.clear(); - m_pageBackups.append(new Page(*(m_pages.current()))); - - resizeContents(m_pages.current()->width(), m_pages.current()->height()); + resizeContents(m_pages.current()->pixmap()->width(), m_pages.current()->pixmap()->height()); viewport()->update(); emit pagesChanged(); - emit pageBackupsChanged(); } void DrawPadCanvas::save(QIODevice* ioDevice) @@ -231,7 +220,7 @@ void DrawPadCanvas::save(QIODevice* ioDevice) int intDate = QDateTime(QDate(1970, 1, 1)).secsTo(bufferIterator.current()->lastModified()); textStream << " <date>" << intDate << "</date>" << endl; - QImage image = bufferIterator.current()->convertToImage(); + QImage image = bufferIterator.current()->pixmap()->convertToImage(); QByteArray byteArray; QBuffer buffer(byteArray); QImageIO imageIO(&buffer, "PNG"); @@ -263,17 +252,13 @@ void DrawPadCanvas::importPage(const QString& fileName) { Page* importedPage = new Page(); - importedPage->load(fileName); + importedPage->pixmap()->load(fileName); m_pages.insert(m_pages.at() + 1, importedPage); - m_pageBackups.clear(); - m_pageBackups.append(new Page(*(m_pages.current()))); - - resizeContents(m_pages.current()->width(), m_pages.current()->height()); + resizeContents(m_pages.current()->pixmap()->width(), m_pages.current()->pixmap()->height()); viewport()->update(); emit pagesChanged(); - emit pageBackupsChanged(); } void DrawPadCanvas::exportPage(uint fromPage, uint toPage, const QString& name,const QString& format) @@ -289,7 +274,7 @@ void DrawPadCanvas::exportPage(uint fromPage, uint toPage, const QString& name,c QIODevice* ioDevice = fileManager.saveFile(docLnk); QImageIO imageIO(ioDevice, format); - QImage image = m_pages.current()->convertToImage(); + QImage image = m_pages.current()->pixmap()->convertToImage(); imageIO.setImage(image); imageIO.write(); delete ioDevice; @@ -305,7 +290,7 @@ void DrawPadCanvas::exportPage(uint fromPage, uint toPage, const QString& name,c QIODevice* ioDevice = fileManager.saveFile(docLnk); QImageIO imageIO(ioDevice, format); - QImage image = m_pages.at(i - 1)->convertToImage(); + QImage image = m_pages.at(i - 1)->pixmap()->convertToImage(); imageIO.setImage(image); imageIO.write(); delete ioDevice; @@ -336,45 +321,28 @@ uint DrawPadCanvas::pageCount() void DrawPadCanvas::selectPage(Page* page) { m_pages.findRef(page); - m_pageBackups.clear(); - m_pageBackups.append(new Page(*(m_pages.current()))); - resizeContents(m_pages.current()->width(), m_pages.current()->height()); + resizeContents(m_pages.current()->pixmap()->width(), m_pages.current()->pixmap()->height()); viewport()->update(); emit pagesChanged(); - emit pageBackupsChanged(); } -void DrawPadCanvas::selectPage(uint pagePosition) +void DrawPadCanvas::backupPage() { - m_pages.at(pagePosition - 1); - m_pageBackups.clear(); - m_pageBackups.append(new Page(*(m_pages.current()))); - - resizeContents(m_pages.current()->width(), m_pages.current()->height()); - viewport()->update(); + m_pages.current()->backup(); emit pagesChanged(); - emit pageBackupsChanged(); } -void DrawPadCanvas::backupPage() +void DrawPadCanvas::selectPage(uint pagePosition) { - m_pages.current()->setLastModified(QDateTime::currentDateTime()); - - Page* currentBackup = m_pageBackups.current(); - while (m_pageBackups.last() != currentBackup) { - m_pageBackups.removeLast(); - } - - while (m_pageBackups.count() >= (PAGE_BACKUPS + 1)) { - m_pageBackups.removeFirst(); - } + m_pages.at(pagePosition - 1); - m_pageBackups.append(new Page(*(m_pages.current()))); + resizeContents(m_pages.current()->pixmap()->width(), m_pages.current()->pixmap()->height()); + viewport()->update(); - emit pageBackupsChanged(); + emit pagesChanged(); } void DrawPadCanvas::deleteAll() @@ -382,44 +350,31 @@ void DrawPadCanvas::deleteAll() m_pages.clear(); m_pages.append(new Page("", contentsRect().size())); - m_pages.current()->fill(Qt::white); + m_pages.current()->pixmap()->fill(Qt::white); - m_pageBackups.clear(); - m_pageBackups.append(new Page(*(m_pages.current()))); - - resizeContents(m_pages.current()->width(), m_pages.current()->height()); + resizeContents(m_pages.current()->pixmap()->width(), m_pages.current()->pixmap()->height()); viewport()->update(); emit pagesChanged(); - emit pageBackupsChanged(); } void DrawPadCanvas::newPage(QString title, uint width, uint height, const QColor& color) { m_pages.insert(m_pages.at() + 1, new Page(title, width, height)); - m_pages.current()->fill(color); - - m_pageBackups.clear(); - m_pageBackups.append(new Page(*(m_pages.current()))); + m_pages.current()->pixmap()->fill(color); - resizeContents(m_pages.current()->width(), m_pages.current()->height()); + resizeContents(m_pages.current()->pixmap()->width(), m_pages.current()->pixmap()->height()); viewport()->update(); emit pagesChanged(); - emit pageBackupsChanged(); } void DrawPadCanvas::clearPage() { - m_pages.current()->fill(Qt::white); + m_pages.current()->pixmap()->fill(Qt::white); - m_pageBackups.clear(); - m_pageBackups.append(new Page(*(m_pages.current()))); - - resizeContents(m_pages.current()->width(), m_pages.current()->height()); + resizeContents(m_pages.current()->pixmap()->width(), m_pages.current()->pixmap()->height()); viewport()->update(); - - emit pageBackupsChanged(); } void DrawPadCanvas::deletePage() @@ -428,17 +383,13 @@ void DrawPadCanvas::deletePage() if (m_pages.isEmpty()) { m_pages.append(new Page("", contentsRect().size())); - m_pages.current()->fill(Qt::white); + m_pages.current()->pixmap()->fill(Qt::white); } - m_pageBackups.clear(); - m_pageBackups.append(new Page(*(m_pages.current()))); - - resizeContents(m_pages.current()->width(), m_pages.current()->height()); + resizeContents(m_pages.current()->pixmap()->width(), m_pages.current()->pixmap()->height()); viewport()->update(); emit pagesChanged(); - emit pageBackupsChanged(); } void DrawPadCanvas::movePageUp() @@ -459,16 +410,6 @@ void DrawPadCanvas::movePageDown() emit pagesChanged(); } -bool DrawPadCanvas::undoEnabled() -{ - return (m_pageBackups.current() != m_pageBackups.getFirst()); -} - -bool DrawPadCanvas::redoEnabled() -{ - return (m_pageBackups.current() != m_pageBackups.getLast()); -} - bool DrawPadCanvas::goPreviousPageEnabled() { return (m_pages.current() != m_pages.getFirst()); @@ -481,72 +422,59 @@ bool DrawPadCanvas::goNextPageEnabled() void DrawPadCanvas::undo() { - *(m_pages.current()) = *(m_pageBackups.prev()); + m_pages.current()->undo(); viewport()->update(); - emit pageBackupsChanged(); + emit pagesChanged(); } void DrawPadCanvas::redo() { - *(m_pages.current()) = *(m_pageBackups.next()); + m_pages.current()->redo(); viewport()->update(); - emit pageBackupsChanged(); + emit pagesChanged(); } void DrawPadCanvas::goFirstPage() { m_pages.first(); - m_pageBackups.clear(); - m_pageBackups.append(new Page(*(m_pages.current()))); - resizeContents(m_pages.current()->width(), m_pages.current()->height()); + resizeContents(m_pages.current()->pixmap()->width(), m_pages.current()->pixmap()->height()); viewport()->update(); emit pagesChanged(); - emit pageBackupsChanged(); } void DrawPadCanvas::goPreviousPage() { m_pages.prev(); - m_pageBackups.clear(); - m_pageBackups.append(new Page(*(m_pages.current()))); - resizeContents(m_pages.current()->width(), m_pages.current()->height()); + resizeContents(m_pages.current()->pixmap()->width(), m_pages.current()->pixmap()->height()); viewport()->update(); emit pagesChanged(); - emit pageBackupsChanged(); } void DrawPadCanvas::goNextPage() { m_pages.next(); - m_pageBackups.clear(); - m_pageBackups.append(new Page(*(m_pages.current()))); - - resizeContents(m_pages.current()->width(), m_pages.current()->height()); + resizeContents(m_pages.current()->pixmap()->width(), m_pages.current()->pixmap()->height()); viewport()->update(); emit pagesChanged(); - emit pageBackupsChanged(); } void DrawPadCanvas::goLastPage() { m_pages.last(); - m_pageBackups.clear(); - m_pageBackups.append(new Page(*(m_pages.current()))); - resizeContents(m_pages.current()->width(), m_pages.current()->height()); + resizeContents(m_pages.current()->pixmap()->width(), m_pages.current()->pixmap()->height()); viewport()->update(); emit pagesChanged(); - emit pageBackupsChanged(); } void DrawPadCanvas::contentsMousePressEvent(QMouseEvent* e) @@ -567,10 +495,10 @@ void DrawPadCanvas::contentsMouseMoveEvent(QMouseEvent* e) void DrawPadCanvas::drawContents(QPainter* p, int cx, int cy, int cw, int ch) { QRect clipRect(cx, cy, cw, ch); - QRect pixmapRect(0, 0, m_pages.current()->width(), m_pages.current()->height()); + QRect pixmapRect(0, 0, m_pages.current()->pixmap()->width(), m_pages.current()->pixmap()->height()); QRect drawRect = pixmapRect.intersect(clipRect); - p->drawPixmap(drawRect.topLeft(), *(m_pages.current()), drawRect); + p->drawPixmap(drawRect.topLeft(), *(m_pages.current()->pixmap()), drawRect); if (drawRect.right() < clipRect.right()) { p->fillRect(drawRect.right() + 1, cy, cw - drawRect.width(), ch, colorGroup().dark()); diff --git a/noncore/graphics/drawpad/drawpadcanvas.h b/noncore/graphics/drawpad/drawpadcanvas.h index 2283e5e..80a2a7e 100644 --- a/noncore/graphics/drawpad/drawpadcanvas.h +++ b/noncore/graphics/drawpad/drawpadcanvas.h @@ -37,8 +37,6 @@ public: void importPage(const QString& fileName); void exportPage(uint fromPage, uint toPage, const QString& name, const QString& format); - bool undoEnabled(); - bool redoEnabled(); bool goPreviousPageEnabled(); bool goNextPageEnabled(); @@ -69,7 +67,6 @@ public slots: signals: void pagesChanged(); - void pageBackupsChanged(); protected: void contentsMousePressEvent(QMouseEvent* e); @@ -80,7 +77,6 @@ protected: private: DrawPad* m_pDrawPad; QList<Page> m_pages; - QList<Page> m_pageBackups; }; #endif // DRAWPADCANVAS_H diff --git a/noncore/graphics/drawpad/erasetool.cpp b/noncore/graphics/drawpad/erasetool.cpp index f77e038..2326da5 100644 --- a/noncore/graphics/drawpad/erasetool.cpp +++ b/noncore/graphics/drawpad/erasetool.cpp @@ -32,6 +32,8 @@ EraseTool::~EraseTool() void EraseTool::mousePressEvent(QMouseEvent* e) { + m_pDrawPadCanvas->backupPage(); + m_mousePressed = true; m_polyline[2] = m_polyline[1] = m_polyline[0] = e->pos(); } @@ -41,8 +43,6 @@ void EraseTool::mouseReleaseEvent(QMouseEvent* e) Q_UNUSED(e) m_mousePressed = false; - - m_pDrawPadCanvas->backupPage(); } void EraseTool::mouseMoveEvent(QMouseEvent* e) @@ -50,7 +50,7 @@ void EraseTool::mouseMoveEvent(QMouseEvent* e) if (m_mousePressed) { QPainter painter; QPen pen(Qt::white, m_pDrawPad->pen().width()); - painter.begin(m_pDrawPadCanvas->currentPage()); + painter.begin(m_pDrawPadCanvas->currentPage()->pixmap()); painter.setPen(pen); m_polyline[2] = m_polyline[1]; m_polyline[1] = m_polyline[0]; @@ -69,7 +69,7 @@ void EraseTool::mouseMoveEvent(QMouseEvent* e) m_pDrawPadCanvas->contentsToViewport(r.bottomRight())); bitBlt(m_pDrawPadCanvas->viewport(), viewportRect.x(), viewportRect.y(), - m_pDrawPadCanvas->currentPage(), r.x(), r.y(), r.width(), r.height()); + m_pDrawPadCanvas->currentPage()->pixmap(), r.x(), r.y(), r.width(), r.height()); m_pDrawPadCanvas->viewport()->update(viewportRect); } diff --git a/noncore/graphics/drawpad/filltool.cpp b/noncore/graphics/drawpad/filltool.cpp index 0177e1c..2a39d04 100644 --- a/noncore/graphics/drawpad/filltool.cpp +++ b/noncore/graphics/drawpad/filltool.cpp @@ -35,11 +35,13 @@ void FillTool::mousePressEvent(QMouseEvent* e) int x = e->x(); int y = e->y(); - m_image = m_pDrawPadCanvas->currentPage()->convertToImage(); + m_image = m_pDrawPadCanvas->currentPage()->pixmap()->convertToImage(); m_fillRgb = m_pDrawPad->brush().color().rgb(); m_oldRgb = m_image.pixel(x, y); if (m_oldRgb != m_fillRgb) { + m_pDrawPadCanvas->backupPage(); + if (m_pDrawPad->antiAliasing()) { m_mask.create(m_image.width(), m_image.height(), 8, 2); m_mask.fill(0); @@ -58,10 +60,8 @@ void FillTool::mousePressEvent(QMouseEvent* e) fillLine(x, y); } - m_pDrawPadCanvas->currentPage()->convertFromImage(m_image); + m_pDrawPadCanvas->currentPage()->pixmap()->convertFromImage(m_image); m_pDrawPadCanvas->viewport()->update(); - - m_pDrawPadCanvas->backupPage(); } } diff --git a/noncore/graphics/drawpad/page.cpp b/noncore/graphics/drawpad/page.cpp index 601d1c3..fbf3d01 100644 --- a/noncore/graphics/drawpad/page.cpp +++ b/noncore/graphics/drawpad/page.cpp @@ -13,28 +13,41 @@ #include "page.h" +const int PAGE_BACKUPS = 99; + Page::Page() - : QPixmap() { + m_title = ""; m_lastModified = QDateTime::currentDateTime(); + m_pPixmap = new QPixmap(); + + m_backHistory.setAutoDelete(true); + m_forwardHistory.setAutoDelete(true); } Page::Page(QString title, int w, int h) - : QPixmap(w, h) { m_title = title; m_lastModified = QDateTime::currentDateTime(); + m_pPixmap = new QPixmap(w, h); + + m_backHistory.setAutoDelete(true); + m_forwardHistory.setAutoDelete(true); } Page::Page(QString title, const QSize& size) - : QPixmap(size) { m_title = title; m_lastModified = QDateTime::currentDateTime(); + m_pPixmap = new QPixmap(size); + + m_backHistory.setAutoDelete(true); + m_forwardHistory.setAutoDelete(true); } Page::~Page() { + delete m_pPixmap; } QString Page::title() const @@ -47,6 +60,12 @@ QDateTime Page::lastModified() const return m_lastModified; } +QPixmap* Page::pixmap() const + +{ + return m_pPixmap; +} + void Page::setTitle(QString title) { m_title = title; @@ -57,3 +76,38 @@ void Page::setLastModified(QDateTime lastModified) m_lastModified = lastModified; } +bool Page::undoEnabled() +{ + return (!m_backHistory.isEmpty()); +} + +bool Page::redoEnabled() +{ + return (!m_forwardHistory.isEmpty()); +} + +void Page::backup() +{ + setLastModified(QDateTime::currentDateTime()); + + while (m_backHistory.count() >= (PAGE_BACKUPS + 1)) { + m_backHistory.removeFirst(); + } + + m_backHistory.append(new QPixmap(*m_pPixmap)); + m_forwardHistory.clear(); +} + +void Page::undo() +{ + m_forwardHistory.append(new QPixmap(*m_pPixmap)); + m_pPixmap = new QPixmap(*(m_backHistory.last())); + m_backHistory.removeLast(); +} + +void Page::redo() +{ + m_backHistory.append(new QPixmap(*m_pPixmap)); + m_pPixmap = new QPixmap(*(m_forwardHistory.last())); + m_forwardHistory.removeLast(); +} diff --git a/noncore/graphics/drawpad/page.h b/noncore/graphics/drawpad/page.h index 20a37b5..8ce7bc9 100644 --- a/noncore/graphics/drawpad/page.h +++ b/noncore/graphics/drawpad/page.h @@ -14,11 +14,13 @@ #ifndef PAGE_H #define PAGE_H -#include <qpixmap.h> +#include <qobject.h> #include <qdatetime.h> +#include <qlist.h> +#include <qpixmap.h> -class Page : public QPixmap +class Page : public QObject { public: Page(); @@ -29,13 +31,25 @@ public: QString title() const; QDateTime lastModified() const; + QPixmap* pixmap() const; void setTitle(QString title); void setLastModified(QDateTime lastModified); + bool undoEnabled(); + bool redoEnabled(); + + void backup(); + void undo(); + void redo(); + private: QString m_title; QDateTime m_lastModified; + QPixmap* m_pPixmap; + + QList<QPixmap> m_backHistory; + QList<QPixmap> m_forwardHistory; }; #endif // PAGE_H diff --git a/noncore/graphics/drawpad/pageinformationdialog.cpp b/noncore/graphics/drawpad/pageinformationdialog.cpp index c0d055e..cb14d73 100644 --- a/noncore/graphics/drawpad/pageinformationdialog.cpp +++ b/noncore/graphics/drawpad/pageinformationdialog.cpp @@ -43,10 +43,10 @@ PageInformationDialog::PageInformationDialog(Page* page, QWidget* parent, const QGroupBox* sizeGroupBox = new QGroupBox(0, Qt::Vertical, tr("Size"), this); QLabel* widthLabel = new QLabel(tr("Width:"), sizeGroupBox); - QLabel* widthValueLabel = new QLabel(QString::number(m_pPage->width()), sizeGroupBox); + QLabel* widthValueLabel = new QLabel(QString::number(m_pPage->pixmap()->width()), sizeGroupBox); QLabel* heightLabel = new QLabel(tr("Height:"), sizeGroupBox); - QLabel* heightValueLabel = new QLabel(QString::number(m_pPage->height()), sizeGroupBox); + QLabel* heightValueLabel = new QLabel(QString::number(m_pPage->pixmap()->height()), sizeGroupBox); QVBoxLayout* mainLayout = new QVBoxLayout(this, 4, 4); generalGroupBox->layout()->setSpacing(4); diff --git a/noncore/graphics/drawpad/pointtool.cpp b/noncore/graphics/drawpad/pointtool.cpp index a4f846e..b9b52bc 100644 --- a/noncore/graphics/drawpad/pointtool.cpp +++ b/noncore/graphics/drawpad/pointtool.cpp @@ -33,6 +33,8 @@ PointTool::~PointTool() void PointTool::mousePressEvent(QMouseEvent* e) { + m_pDrawPadCanvas->backupPage(); + m_mousePressed = true; m_polyline[2] = m_polyline[1] = m_polyline[0] = e->pos(); } @@ -42,8 +44,6 @@ void PointTool::mouseReleaseEvent(QMouseEvent* e) Q_UNUSED(e) m_mousePressed = false; - - m_pDrawPadCanvas->backupPage(); } void PointTool::mouseMoveEvent(QMouseEvent* e) @@ -61,7 +61,7 @@ void PointTool::mouseMoveEvent(QMouseEvent* e) r.setBottom(r.bottom() + m_pDrawPad->pen().width()); QPainter painter; - painter.begin(m_pDrawPadCanvas->currentPage()); + painter.begin(m_pDrawPadCanvas->currentPage()->pixmap()); if (m_pDrawPad->antiAliasing()) { QPixmap areaPixmap(r.width(), r.height()); @@ -104,7 +104,7 @@ void PointTool::mouseMoveEvent(QMouseEvent* e) m_pDrawPadCanvas->contentsToViewport(r.bottomRight())); bitBlt(m_pDrawPadCanvas->viewport(), viewportRect.x(), viewportRect.y(), - m_pDrawPadCanvas->currentPage(), r.x(), r.y(), r.width(), r.height()); + m_pDrawPadCanvas->currentPage()->pixmap(), r.x(), r.y(), r.width(), r.height()); m_pDrawPadCanvas->viewport()->update(viewportRect); } diff --git a/noncore/graphics/drawpad/shapetool.cpp b/noncore/graphics/drawpad/shapetool.cpp index 8870a78..22e3dd6 100644 --- a/noncore/graphics/drawpad/shapetool.cpp +++ b/noncore/graphics/drawpad/shapetool.cpp @@ -32,6 +32,8 @@ ShapeTool::~ShapeTool() void ShapeTool::mousePressEvent(QMouseEvent* e) { + m_pDrawPadCanvas->backupPage(); + m_mousePressed = true; m_polyline[2] = m_polyline[1] = m_polyline[0] = e->pos(); } @@ -41,7 +43,7 @@ void ShapeTool::mouseReleaseEvent(QMouseEvent* e) Q_UNUSED(e) QPainter painter; - painter.begin(m_pDrawPadCanvas->currentPage()); + painter.begin(m_pDrawPadCanvas->currentPage()->pixmap()); drawFinalShape(painter); painter.end(); @@ -56,13 +58,11 @@ void ShapeTool::mouseReleaseEvent(QMouseEvent* e) m_pDrawPadCanvas->contentsToViewport(r.bottomRight())); bitBlt(m_pDrawPadCanvas->viewport(), viewportRect.x(), viewportRect.y(), - m_pDrawPadCanvas->currentPage(), r.x(), r.y(), r.width(), r.height()); + m_pDrawPadCanvas->currentPage()->pixmap(), r.x(), r.y(), r.width(), r.height()); m_pDrawPadCanvas->viewport()->update(viewportRect); m_mousePressed = false; - - m_pDrawPadCanvas->backupPage(); } void ShapeTool::mouseMoveEvent(QMouseEvent* e) @@ -70,7 +70,7 @@ void ShapeTool::mouseMoveEvent(QMouseEvent* e) if (m_mousePressed) { m_polyline[0] = e->pos(); QPainter painter; - painter.begin(m_pDrawPadCanvas->currentPage()); + painter.begin(m_pDrawPadCanvas->currentPage()->pixmap()); drawTemporaryShape(painter); painter.end(); @@ -85,7 +85,7 @@ void ShapeTool::mouseMoveEvent(QMouseEvent* e) m_pDrawPadCanvas->contentsToViewport(r.bottomRight())); bitBlt(m_pDrawPadCanvas->viewport(), viewportRect.x(), viewportRect.y(), - m_pDrawPadCanvas->currentPage(), r.x(), r.y(), r.width(), r.height()); + m_pDrawPadCanvas->currentPage()->pixmap(), r.x(), r.y(), r.width(), r.height()); m_pDrawPadCanvas->viewport()->update(viewportRect); diff --git a/noncore/graphics/drawpad/texttool.cpp b/noncore/graphics/drawpad/texttool.cpp index 34c8a76..9037abd 100644 --- a/noncore/graphics/drawpad/texttool.cpp +++ b/noncore/graphics/drawpad/texttool.cpp @@ -56,15 +56,15 @@ void TextTool::mousePressEvent(QMouseEvent* e) TextToolDialog textToolDialog(m_pDrawPad); if (textToolDialog.exec() == QDialog::Accepted && !textToolDialog.text().isEmpty()) { + m_pDrawPadCanvas->backupPage(); + QPainter painter; - painter.begin(m_pDrawPadCanvas->currentPage()); + painter.begin(m_pDrawPadCanvas->currentPage()->pixmap()); painter.setPen(m_pDrawPad->pen()); painter.drawText(e->x(), e->y(), textToolDialog.text()); painter.end(); m_pDrawPadCanvas->viewport()->update(); - - m_pDrawPadCanvas->backupPage(); } } diff --git a/noncore/graphics/drawpad/thumbnailview.cpp b/noncore/graphics/drawpad/thumbnailview.cpp index 14092bf..9b08ca2 100644 --- a/noncore/graphics/drawpad/thumbnailview.cpp +++ b/noncore/graphics/drawpad/thumbnailview.cpp @@ -35,7 +35,7 @@ PageListBoxItem::PageListBoxItem(Page* page, QListBox* parent) { m_pPage = page; - QImage image = m_pPage->convertToImage(); + QImage image = m_pPage->pixmap()->convertToImage(); int previewWidth = THUMBNAIL_SIZE; int previewHeight = THUMBNAIL_SIZE; @@ -57,8 +57,8 @@ PageListBoxItem::PageListBoxItem(Page* page, QListBox* parent) m_thumbnail.convertFromImage(thumbnailImage); m_titleText = QObject::tr("Title:") + " " + m_pPage->title(); - m_dimensionText = QObject::tr("Dimension:") + " " + QString::number(m_pPage->width()) - + "x" + QString::number(m_pPage->height()); + m_dimensionText = QObject::tr("Dimension:") + " " + QString::number(m_pPage->pixmap()->width()) + + "x" + QString::number(m_pPage->pixmap()->height()); m_dateText = QObject::tr("Date:") + " " + dateTimeString(m_pPage->lastModified()); QColor baseColor = parent->colorGroup().base(); |