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diff --git a/kviewshell/documentWidget.cpp b/kviewshell/documentWidget.cpp
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+//
+// Class: DocumentWidget
+//
+// Widget for displaying TeX DVI files.
+// Part of KDVI- A previewer for TeX DVI files.
+//
+// (C) 2001 Stefan Kebekus
+// Copyright (C) 2004-2005 Wilfried Huss <Wilfried.Huss@gmx.at>
+// Distributed under the GPL
+//
+
+#include <config.h>
+
+#include <kaction.h>
+#include <kapplication.h>
+#include <kdebug.h>
+#include <kglobalsettings.h>
+#include <kiconloader.h>
+#include <klocale.h>
+#include <qclipboard.h>
+#include <qcursor.h>
+#include <qimage.h>
+#include <qpainter.h>
+#include <qpixmap.h>
+
+#include "documentWidget.h"
+#include "pageView.h"
+#include "documentPageCache.h"
+#include "hyperlink.h"
+#include "renderedDocumentPagePixmap.h"
+#include "textBox.h"
+
+#include "kvsprefs.h"
+
+//#define DEBUG_DOCUMENTWIDGET
+
+const int DocumentWidget::bottom_right_corner[16] =
+ { 61, 71, 85, 95,
+ 71, 78, 89, 96,
+ 85, 89, 95, 98,
+ 95, 97, 98, 99 };
+
+const int DocumentWidget::bottom_left_corner[16] =
+ { 95, 85, 71, 61,
+ 97, 89, 78, 71,
+ 98, 95, 89, 85,
+ 99, 98, 96, 95 };
+
+const int DocumentWidget::shadow_strip[4] =
+ { 56, 67, 83, 94 };
+
+QColor DocumentWidget::backgroundColorForCorners;
+
+namespace {
+
+/** Holds the icon used as a overlay on pages which are not drawn yet. */
+QPixmap* busyIcon = 0;
+
+/** Internal storages used in the shadow drawing routines in the
+ drawContents method.*/
+QPixmap* URShadow = 0;
+QPixmap* BRShadow = 0;
+QPixmap* BLShadow = 0;
+
+} // namespace anon
+
+
+DocumentWidget::DocumentWidget(QWidget *parent, PageView *sv, DocumentPageCache *cache, const char *name )
+ : QWidget( parent, name ), indexOfUnderlinedLink(-1)
+{
+ moveTool = true;
+
+ selectionNeedsUpdating = false;
+
+ // Variables used in animation.
+ animationCounter = 0;
+ timerIdent = 0;
+ documentCache = cache;
+ scrollView = sv;
+
+ pixmapRequested = false;
+
+ scrollGuide = -1;
+
+ setMouseTracking(true);
+ setFocusPolicy(QWidget::ClickFocus);
+
+ connect(&clearStatusBarTimer, SIGNAL(timeout()), this, SLOT(clearStatusBar()));
+ setBackgroundMode(Qt::NoBackground);
+
+ if (!busyIcon)
+ {
+ busyIcon = new QPixmap(KGlobal::iconLoader()->loadIcon("gear", KIcon::NoGroup, KIcon::SizeMedium));
+
+ URShadow = new QPixmap();
+ BRShadow = new QPixmap();
+ BLShadow = new QPixmap();
+
+ URShadow->resize(4,4);
+ BRShadow->resize(4,4);
+ BLShadow->resize(4,4);
+ }
+}
+
+
+void DocumentWidget::setPageNumber(Q_UINT16 nr)
+{
+ pageNr = nr;
+
+ selectionNeedsUpdating = true;
+
+ // We have to reset this, because otherwise we might crash in the mouseMoveEvent
+ // After switching pages in SinglePageMode or OverviewMode.
+ indexOfUnderlinedLink = -1;
+
+ // Resize Widget if the size of the new page is different than the size of the old page.
+ QSize _pageSize = documentCache->sizeOfPageInPixel(pageNr);
+ if (_pageSize != pageSize())
+ {
+ setPageSize(_pageSize);
+ }
+ update();
+}
+
+QRect DocumentWidget::linkFlashRect()
+{
+ int width = pageSize().width()/(11 - animationCounter);
+ int height = pageSize().height()/(60 - 4 * animationCounter);
+ return QRect((pageSize().width()-width)/2, flashOffset - height/2, width, height);
+}
+
+void DocumentWidget::timerEvent( QTimerEvent *e )
+{
+ if (animationCounter == 0) {
+ killTimer(e->timerId());
+ timerIdent = startTimer(50); // Proceed with the animation in 1/10s intervals
+ }
+
+ animationCounter++;
+
+ QRect flashRect = linkFlashRect();
+ flashRect.addCoords(-1, -1, 1, 1);
+
+ if (animationCounter >= 10) {
+ killTimer(e->timerId());
+ timerIdent = 0;
+ animationCounter = 0;
+ }
+
+ repaint(flashRect, false);
+}
+
+
+void DocumentWidget::flash(int fo)
+{
+ if (timerIdent != 0)
+ {
+ killTimer(timerIdent);
+ // Delete old flash rectangle
+ animationCounter = 10;
+ QRect flashRect = linkFlashRect();
+ flashRect.addCoords(-1, -1, 1, 1);
+ repaint(flashRect, false);
+ }
+ animationCounter = 0;
+ flashOffset = fo;
+ timerIdent = startTimer(50); // Start the animation. The animation proceeds in 1/10s intervals
+}
+
+
+void DocumentWidget::paintEvent(QPaintEvent *e)
+{
+#ifdef DEBUG_DOCUMENTWIDGET
+ kdDebug(1223) << "DocumentWidget::paintEvent() called" << endl;
+#endif
+
+ // Check if this widget is really visible to the user. If not, there
+ // is nothing to do. Remark: if we don't do this, then under QT
+ // 3.2.3 the following happens: when the user changes the zoom
+ // value, all those widgets are updated which the user has EVER
+ // seen, not just those that are visible at the moment. If the
+ // document contains several thousand pages, it is easily possible
+ // that this means that a few hundred of these are re-painted (which
+ // takes substantial time) although perhaps only three widgets are
+ // visible and *should* be updated. I believe this is some error in
+ // QT, but I am not positive about that ---Stefan Kebekus.
+ if (!isVisible())
+ {
+ //kdDebug() << "widget of page " << pageNr << " is not visible. Abort rendering" << endl;
+ kapp->processEvents();
+ return;
+ }
+
+ QPainter p(this);
+ p.setClipRegion(e->region());
+
+ // Paint a black border around the widget
+ p.setRasterOp(Qt::CopyROP);
+ p.setBrush(NoBrush);
+ p.setPen(Qt::black);
+ QRect outlineRect = pageRect();
+ outlineRect.addCoords(-1, -1, 1, 1);
+ p.drawRect(outlineRect);
+
+ // Paint page shadow
+ QColor backgroundColor = colorGroup().mid();
+
+ // (Re-)generate the Pixmaps for the shadow corners, if necessary
+ if (backgroundColor != backgroundColorForCorners)
+ {
+ backgroundColorForCorners = backgroundColor;
+ QImage tmp(4, 4, 32);
+ for(int x=0; x<4; x++)
+ for(int y=0; y<4; y++)
+ tmp.setPixel(x, y, backgroundColor.light(bottom_right_corner[x+4*y]).rgb() );
+ BRShadow->convertFromImage(tmp);
+
+ for(int x=0; x<4; x++)
+ for(int y=0; y<4; y++)
+ tmp.setPixel(x, y, backgroundColor.light(bottom_left_corner[x+4*y]).rgb() );
+ BLShadow->convertFromImage(tmp);
+
+ URShadow->convertFromImage(tmp.mirror(true, true));
+ }
+
+ // Draw right and bottom shadows
+ for(int i=0; i<4; i++)
+ {
+ p.setPen(backgroundColor.light(shadow_strip[i]));
+ // Right shadow
+ p.drawLine(pageSize().width()+i+2, 8, pageSize().width()+i+2, pageSize().height()+2);
+ // Bottom shadow
+ p.drawLine(8, pageSize().height()+i+2, pageSize().width()+2, pageSize().height()+i+2);
+ }
+ // Draw shadow corners
+ p.drawPixmap(pageSize().width()+2, pageSize().height()+2, *BRShadow);
+ p.drawPixmap(4, pageSize().height()+2, *BLShadow);
+ p.drawPixmap(pageSize().width()+2, 4, *URShadow);
+
+ // Draw corners
+ p.fillRect(0, pageSize().height()+2, 4, 4, backgroundColor);
+ p.fillRect(pageSize().width()+2, 0, 4, 4, backgroundColor);
+
+ if (!documentCache->isPageCached(pageNr, pageSize()))
+ {
+ QRect destRect = e->rect().intersect(pageRect());
+ if (KVSPrefs::changeColors() && KVSPrefs::renderMode() == KVSPrefs::EnumRenderMode::Paper)
+ p.fillRect(destRect, KVSPrefs::paperColor());
+ else
+ p.fillRect(destRect, Qt::white);
+
+ // Draw busy indicator.
+ // Im not really sure if this is a good idea.
+ // While it is nice to see an indication that something is happening for pages which
+ // take long to redraw, it gets quite annoing for fast redraws.
+ // TODO: Disable or find something less distractiong.
+ p.drawPixmap(10, 10, *busyIcon);
+
+ if (!pixmapRequested)
+ {
+ // Request page pixmap.
+ pixmapRequested = true;
+ QTimer::singleShot(50, this, SLOT(delayedRequestPage()));
+ }
+ return;
+ }
+
+ RenderedDocumentPagePixmap *pageData = documentCache->getPage(pageNr);
+ if (pageData == 0) {
+#ifdef DEBUG_DOCUMENTWIDGET
+ kdDebug(1223) << "DocumentWidget::paintEvent: no documentPage generated" << endl;
+#endif
+ return;
+ }
+
+ QMemArray<QRect> damagedRects = e->region().rects();
+ for (unsigned int i = 0; i < damagedRects.count(); i++)
+ {
+ // Paint the page where it intersects with the damaged area.
+ QRect destRect = damagedRects[i].intersect(pageRect());
+
+ // The actual page starts at point (1,1) because of the outline.
+ // Therefore we need to shift the destination rectangle.
+ QRect pixmapRect = destRect;
+ pixmapRect.moveBy(-1,-1);
+
+ if (KVSPrefs::changeColors() && KVSPrefs::renderMode() != KVSPrefs::EnumRenderMode::Paper)
+ {
+ // Paint widget contents with accessibility changes.
+ bitBlt ( this, destRect.topLeft(), &pageData->accessiblePixmap(), pixmapRect, CopyROP);
+ }
+ else
+ {
+ // Paint widget contents
+ bitBlt ( this, destRect.topLeft(), pageData, pixmapRect, CopyROP);
+ }
+ }
+ // Underline hyperlinks
+ if (KVSPrefs::underlineLinks() == KVSPrefs::EnumUnderlineLinks::Enabled ||
+ KVSPrefs::underlineLinks() == KVSPrefs::EnumUnderlineLinks::OnlyOnHover)
+ {
+ int h = 2; // Height of line.
+ for(int i = 0; i < (int)pageData->hyperLinkList.size(); i++)
+ {
+ if (KVSPrefs::underlineLinks() == KVSPrefs::EnumUnderlineLinks::OnlyOnHover &&
+ i != indexOfUnderlinedLink)
+ continue;
+ int x = pageData->hyperLinkList[i].box.left();
+ int w = pageData->hyperLinkList[i].box.width();
+ int y = pageData->hyperLinkList[i].baseline;
+
+ QRect hyperLinkRect(x, y, w, h);
+ if (hyperLinkRect.intersects(e->rect()))
+ {
+#ifdef DEBUG_DOCUMENTWIDGET
+ kdDebug(1223) << "Underline hyperlink \"" << pageData->hyperLinkList[i].linkText << "\"" << endl;
+#endif
+ p.fillRect(x, y, w, h, KGlobalSettings::linkColor());
+ }
+ }
+ }
+
+ // Paint flashing frame, if appropriate
+ if (animationCounter > 0 && animationCounter < 10)
+ {
+ int gbChannel = 255 - (9-animationCounter)*28;
+ p.setPen(QPen(QColor(255, gbChannel, gbChannel), 3));
+ p.drawRect(linkFlashRect());
+ }
+
+ // Mark selected text.
+ TextSelection selection = documentCache->selectedText();
+ if ((selection.getPageNumber() != 0) && (selection.getPageNumber() == pageNr))
+ {
+ if (selectionNeedsUpdating)
+ {
+ //The zoom value has changed, therefore we need to recalculate
+ //the selected region.
+ selectedRegion = pageData->selectedRegion(selection);
+ selectionNeedsUpdating = false;
+ }
+
+ p.setPen(NoPen);
+ p.setBrush(white);
+ p.setRasterOp(Qt::XorROP);
+
+ QMemArray<QRect> selectionRects = selectedRegion.rects();
+
+ for (unsigned int i = 0; i < selectionRects.count(); i++)
+ p.drawRect(selectionRects[i]);
+ }
+
+ // Draw scroll Guide
+ if (scrollGuide >= 0)
+ {
+ // Don't draw over the page shadow
+ p.setClipRegion(e->region().intersect(pageRect()));
+ p.setRasterOp(Qt::CopyROP);
+ p.setPen(Qt::red);
+ p.drawLine(1, scrollGuide, pageSize().width(), scrollGuide);
+ }
+}
+
+void DocumentWidget::drawScrollGuide(int ycoord)
+{
+ //kdDebug() << "draw scroll guide for page " << pageNr << " at y = " << ycoord << endl;
+ scrollGuide = ycoord;
+ update(QRect(1, scrollGuide, pageSize().width(), 1));
+ QTimer::singleShot(1000, this, SLOT(clearScrollGuide()));
+}
+
+void DocumentWidget::clearScrollGuide()
+{
+ //kdDebug() << "clear scroll guide for page " << pageNr << " at y = " << scrollGuide << endl;
+ int temp = scrollGuide;
+ scrollGuide = -1;
+ update(QRect(1, temp, pageSize().width(), 1));
+}
+
+void DocumentWidget::select(const TextSelection& newSelection)
+{
+ // Get a pointer to the page contents
+ RenderedDocumentPage *pageData = documentCache->getPage(pageNr);
+ if (pageData == 0) {
+ kdDebug(1223) << "DocumentWidget::select() pageData for page #" << pageNr << " is empty" << endl;
+ return;
+ }
+
+ documentCache->selectText(newSelection);
+
+ selectedRegion = pageData->selectedRegion(documentCache->selectedText());
+ selectionNeedsUpdating = false;
+
+ update();
+}
+
+void DocumentWidget::selectAll()
+{
+ // pageNr == 0 indicated an invalid page (e.g. page number not yet
+ // set)
+ if (pageNr == 0)
+ return;
+
+ // Get a pointer to the page contents
+ RenderedDocumentPage *pageData = documentCache->getPage(pageNr);
+ if (pageData == 0) {
+ kdDebug(1223) << "DocumentWidget::selectAll() pageData for page #" << pageNr << " is empty" << endl;
+ return;
+ }
+
+ TextSelection selection;
+ // mark everything as selected
+ QString selectedText("");
+ for(unsigned int i = 0; i < pageData->textBoxList.size(); i++) {
+ selectedText += pageData->textBoxList[i].text;
+ selectedText += "\n";
+ }
+ selection.set(pageNr, 0, pageData->textBoxList.size()-1, selectedText);
+
+ selectedRegion = pageData->selectedRegion(selection);
+
+ documentCache->selectText(selection);
+
+ // Re-paint
+ update();
+}
+
+
+void DocumentWidget::mousePressEvent ( QMouseEvent * e )
+{
+#ifdef DEBUG_DOCUMENTWIDGET
+ kdDebug(1223) << "DocumentWidget::mousePressEvent(...) called" << endl;
+#endif
+
+ // Make sure the event is passed on to the higher-level widget;
+ // otherwise QT gets the coordinated in the mouse move events wrong
+ e->ignore();
+
+ // pageNr == 0 indicated an invalid page (e.g. page number not yet
+ // set)
+ if (pageNr == 0)
+ return;
+
+ // Get a pointer to the page contents
+ RenderedDocumentPage *pageData = documentCache->getPage(pageNr);
+ if (pageData == 0) {
+ kdDebug(1223) << "DocumentWidget::selectAll() pageData for page #" << pageNr << " is empty" << endl;
+ return;
+ }
+
+ // Check if the mouse is pressed on a regular hyperlink
+ if (e->button() == LeftButton) {
+ if (pageData->hyperLinkList.size() > 0)
+ for(unsigned int i = 0; i < pageData->hyperLinkList.size(); i++) {
+ if (pageData->hyperLinkList[i].box.contains(e->pos())) {
+ emit(localLink(pageData->hyperLinkList[i].linkText));
+ return;
+ }
+ }
+ if (moveTool)
+ setCursor(Qt::SizeAllCursor);
+ else
+ setCursor(Qt::IbeamCursor);
+ }
+
+ if (e->button() == RightButton || (!moveTool && e->button() == LeftButton))
+ {
+ setCursor(Qt::IbeamCursor);
+ // If Shift is not pressed clear the current selection,
+ // otherwise modify the existing selection.
+ if (!(e->state() & ShiftButton))
+ {
+ firstSelectedPoint = e->pos();
+ selectedRectangle = QRect();
+ selectedRegion = QRegion();
+ emit clearSelection();
+ }
+ }
+}
+
+
+void DocumentWidget::mouseReleaseEvent ( QMouseEvent *e )
+{
+ // Make sure the event is passed on to the higher-level widget;
+ // otherwise the mouse cursor in the centeringScrollview is wrong
+ e->ignore();
+
+ if (e->button() == RightButton || (!moveTool && e->button() == LeftButton))
+ {
+ // If the selectedRectangle is empty then there was only a single right click.
+ if (firstSelectedPoint == e->pos())
+ {
+ if (pageNr == 0)
+ return;
+
+ // Get a pointer to the page contents
+ RenderedDocumentPage* pageData = documentCache->getPage(pageNr);
+ if (pageData == 0)
+ {
+ kdDebug(1223) << "DocumentWidget::mouseReleaseEvent() pageData for page #" << pageNr << " is empty" << endl;
+ return;
+ }
+
+ TextSelection newTextSelection = pageData->select(firstSelectedPoint);
+ updateSelection(newTextSelection);
+ }
+ }
+
+ //Reset the cursor to the usual arrow if we use the move tool, and
+ // The textselection cursor if we use the selection tool.
+ setStandardCursor();
+}
+
+
+void DocumentWidget::mouseMoveEvent ( QMouseEvent * e )
+{
+#ifdef DEBUG_DOCUMENTWIDGET
+ kdDebug(1223) << "DocumentWidget::mouseMoveEvent(...) called" << endl;
+#endif
+
+
+ // pageNr == 0 indicated an invalid page (e.g. page number not yet
+ // set)
+ if (pageNr == 0)
+ return;
+
+ // Get a pointer to the page contents
+ RenderedDocumentPage *pageData = documentCache->getPage(pageNr);
+ if (pageData == 0) {
+ kdDebug(1223) << "DocumentWidget::selectAll() pageData for page #" << pageNr << " is empty" << endl;
+ return;
+ }
+
+ // If no mouse button pressed
+ if (e->state() == 0) {
+ // Remember the index of the underlined link.
+ int lastUnderlinedLink = indexOfUnderlinedLink;
+ // go through hyperlinks
+ for(unsigned int i = 0; i < pageData->hyperLinkList.size(); i++) {
+ if (pageData->hyperLinkList[i].box.contains(e->pos())) {
+ clearStatusBarTimer.stop();
+ setCursor(pointingHandCursor);
+ QString link = pageData->hyperLinkList[i].linkText;
+ if ( link.startsWith("#") )
+ link = link.remove(0,1);
+
+ emit setStatusBarText( i18n("Link to %1").arg(link) );
+
+ indexOfUnderlinedLink = i;
+ if (KVSPrefs::underlineLinks() == KVSPrefs::EnumUnderlineLinks::OnlyOnHover &&
+ indexOfUnderlinedLink != lastUnderlinedLink)
+ {
+ QRect newUnderline = pageData->hyperLinkList[i].box;
+ // Increase Rectangle so that the whole line really lines in it.
+ newUnderline.addCoords(0, 0, 0, 2);
+ // Redraw widget
+ update(newUnderline);
+
+ if (lastUnderlinedLink != -1 && lastUnderlinedLink < pageData->hyperLinkList.size())
+ {
+ // Erase old underline
+ QRect oldUnderline = pageData->hyperLinkList[lastUnderlinedLink].box;
+ oldUnderline.addCoords(0, 0, 0, 2);
+ update(oldUnderline);
+ }
+ }
+ return;
+ }
+ }
+ // Whenever we reach this the mouse hovers no link.
+ indexOfUnderlinedLink = -1;
+ if (KVSPrefs::underlineLinks() == KVSPrefs::EnumUnderlineLinks::OnlyOnHover &&
+ lastUnderlinedLink != -1 && lastUnderlinedLink < pageData->hyperLinkList.size())
+ {
+ // Erase old underline
+ QRect oldUnderline = pageData->hyperLinkList[lastUnderlinedLink].box;
+ // Increase Rectangle so that the whole line really lines in it.
+ oldUnderline.addCoords(0, 0, 0, 2);
+ // Redraw widget
+ update(oldUnderline);
+ }
+ // Cursor not over hyperlink? Then let the cursor be the usual arrow if we use the move tool, and
+ // The textselection cursor if we use the selection tool.
+ setStandardCursor();
+ }
+
+ if (!clearStatusBarTimer.isActive())
+ clearStatusBarTimer.start(200, true); // clear the statusbar after 200 msec.
+
+ // Left mouse button pressed -> Text scroll function
+ if ((e->state() & LeftButton) != 0 && moveTool)
+ {
+ // Pass the mouse event on to the owner of this widget ---under
+ // normal circumstances that is the centeringScrollView which will
+ // then scroll the scrollview contents
+ e->ignore();
+ }
+
+ // Right mouse button pressed -> Text copy function
+ if ((e->state() & RightButton) != 0 || (!moveTool && (e->state() & LeftButton != 0)))
+ {
+ if (selectedRectangle.isEmpty()) {
+ firstSelectedPoint = e->pos();
+ selectedRectangle.setRect(e->pos().x(),e->pos().y(),1,1);
+ } else {
+ int lx = e->pos().x() < firstSelectedPoint.x() ? e->pos().x() : firstSelectedPoint.x();
+ int rx = e->pos().x() > firstSelectedPoint.x() ? e->pos().x() : firstSelectedPoint.x();
+ int ty = e->pos().y() < firstSelectedPoint.y() ? e->pos().y() : firstSelectedPoint.y();
+ int by = e->pos().y() > firstSelectedPoint.y() ? e->pos().y() : firstSelectedPoint.y();
+ selectedRectangle.setCoords(lx,ty,rx,by);
+ }
+
+ // Now that we know the rectangle, we have to find out which words
+ // intersect it!
+ TextSelection newTextSelection = pageData->select(selectedRectangle);
+
+ updateSelection(newTextSelection);
+ }
+}
+
+void DocumentWidget::updateSelection(const TextSelection& newTextSelection)
+{
+ if (newTextSelection != documentCache->selectedText())
+ {
+ if (newTextSelection.isEmpty())
+ {
+ // Clear selection
+ documentCache->deselectText();
+ selectedRectangle = QRect();
+ selectedRegion = QRegion();
+ update();
+ }
+ else
+ {
+ if (pageNr == 0)
+ return;
+
+ // Get a pointer to the page contents
+ RenderedDocumentPage* pageData = documentCache->getPage(pageNr);
+ if (pageData == 0)
+ {
+ kdDebug(1223) << "DocumentWidget::mouseReleaseEvent() pageData for page #" << pageNr << " is empty" << endl;
+ return;
+ }
+
+ documentCache->selectText(newTextSelection);
+
+ QRegion newlySelectedRegion = pageData->selectedRegion(documentCache->selectedText());
+
+ // Compute the region that needs to be updated
+ QRegion updateRegion;
+ if(!selectedRegion.isEmpty())
+ {
+ updateRegion = newlySelectedRegion.eor(selectedRegion);
+ }
+ else
+ {
+ updateRegion = newlySelectedRegion;
+ }
+
+ selectedRegion = newlySelectedRegion;
+
+ QMemArray<QRect> rectangles = updateRegion.rects();
+ for (unsigned int i = 0; i < rectangles.count(); i++)
+ {
+ repaint(rectangles[i]);
+ }
+ }
+ }
+}
+
+
+void DocumentWidget::clearStatusBar()
+{
+ emit setStatusBarText( QString::null );
+}
+
+
+void DocumentWidget::delayedRequestPage()
+{
+ if (!isVisible())
+ {
+ // We only want to calculate the page pixmap for widgets that are currently visible.
+ // When we are fast scrolling thru the document many paint events are created, that
+ // are often not needed anymore at the time the eventloop executes them.
+
+ //kdDebug() << "delayedRequest: widget of page " << pageNr << " is not visible. Abort rendering" << endl;
+ pixmapRequested = false;
+ kapp->processEvents();
+ return;
+ }
+
+ documentCache->getPage(pageNr);
+ pixmapRequested = false;
+ update();
+
+ // If more widgets need updateing at the some time, the next line allows them to be
+ // displayed one after another. Widthout it all widgets are updated after all the rendering
+ // is completed. This is especially noticable in overview mode. After the change to a seperate
+ // rendering thread this will probably not be needed anymore.
+ kapp->processEvents();
+}
+
+QSize DocumentWidget::pageSize() const
+{
+ // Substract size of the shadow.
+ return size() - QSize(6, 6);
+}
+
+QRect DocumentWidget::pageRect() const
+{
+ QRect boundingRect = rect();
+ // Substract the shadow.
+ boundingRect.addCoords(1,1,-5,-5);
+ return boundingRect;
+}
+
+void DocumentWidget::setPageSize(const QSize& pageSize)
+{
+ // When the page size changes this means either the paper size
+ // has been changed, or the zoomlevel has been changed.
+ // If the zoomlevel changes we need to recalculate the selected
+ // region. We do this always, just to be on the safe side.
+ selectionNeedsUpdating = true;
+
+ // Add size of the shadow.
+ resize(pageSize + QSize(6,6));
+}
+
+void DocumentWidget::setPageSize(int width, int height)
+{
+ setPageSize(QSize(width, height));
+}
+
+
+void DocumentWidget::slotEnableMoveTool(bool enable)
+{
+ moveTool = enable;
+
+ setStandardCursor();
+}
+
+
+void DocumentWidget::setStandardCursor()
+{
+ if (moveTool)
+ {
+ setCursor(Qt::arrowCursor);
+ }
+ else
+ {
+ setCursor(Qt::IbeamCursor);
+ }
+}
+
+
+bool DocumentWidget::isVisible()
+{
+ QRect visibleRect(scrollView->contentsX(), scrollView->contentsY(), scrollView->visibleWidth(), scrollView->visibleHeight());
+ QRect widgetRect(scrollView->childX(this), scrollView->childY(this), width(), height());
+ return widgetRect.intersects(visibleRect);
+}
+
+#include "documentWidget.moc"
generated by cgit v1.2.1 (git 2.18.0) at 2024-12-28 12:30:57 +0000