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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit47d455dd55be855e4cc691c32f687f723d9247ee (patch)
tree52e236aaa2576bdb3840ebede26619692fed6d7d /kviewshell/kviewpart.cpp
downloadtdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.tar.gz
tdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'kviewshell/kviewpart.cpp')
-rw-r--r--kviewshell/kviewpart.cpp1632
1 files changed, 1632 insertions, 0 deletions
diff --git a/kviewshell/kviewpart.cpp b/kviewshell/kviewpart.cpp
new file mode 100644
index 00000000..ef21dca7
--- /dev/null
+++ b/kviewshell/kviewpart.cpp
@@ -0,0 +1,1632 @@
+#include <qfileinfo.h>
+#include <qhbox.h>
+#include <qlayout.h>
+#include <qscrollview.h>
+#include <qscrollbar.h>
+#include <qtimer.h>
+#include <qpainter.h>
+#include <qprinter.h>
+#include <qprintdialog.h>
+
+#include <kaboutdialog.h>
+#include <kaccel.h>
+#include <kaction.h>
+#include <kapplication.h>
+#include <kconfig.h>
+#include <kconfigdialog.h>
+#include <kdebug.h>
+#include <kdirwatch.h>
+#include <kfiledialog.h>
+#include <kfilterbase.h>
+#include <kfilterdev.h>
+#include <kglobal.h>
+#include <kinstance.h>
+#include <kio/job.h>
+#include <klocale.h>
+#include <kiconloader.h>
+#include <kmessagebox.h>
+#include <kmimetype.h>
+#include <kparts/componentfactory.h>
+#include <kparts/genericfactory.h>
+#include <kparts/partmanager.h>
+#include <kprogress.h>
+#include <kstandarddirs.h>
+#include <kstdaction.h>
+#include <ktempfile.h>
+#include <ktrader.h>
+#include <kinputdialog.h>
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <math.h>
+
+#include "kviewpart.h"
+#include "kmultipage.h"
+#include "pageSize.h"
+#include "pageSizeDialog.h"
+#include "zoomlimits.h"
+
+#include "optionDialogGUIWidget_base.h"
+#include "optionDialogAccessibilityWidget.h"
+
+#include "kvsprefs.h"
+
+#define MULTIPAGE_VERSION 2
+
+typedef KParts::GenericFactory<KViewPart> KViewPartFactory;
+K_EXPORT_COMPONENT_FACTORY(kviewerpart, KViewPartFactory)
+
+KViewPart::KViewPart(QWidget *parentWidget, const char *widgetName, QObject *parent,
+ const char *name, const QStringList& args)
+ : KViewPart_Iface(parent, name), showSidebar(0), saveAction(0), partManager(0),
+ multiPageLibrary(QString::null), aboutDialog(0)
+{
+ KGlobal::locale()->insertCatalogue("kviewshell");
+
+ tmpUnzipped = 0L;
+ pageChangeIsConnected = false;
+ setInstance(KViewPartFactory::instance());
+
+ watch = KDirWatch::self();
+ connect(watch, SIGNAL(dirty(const QString&)), this, SLOT(fileChanged(const QString&)));
+ watch->startScan();
+
+ mainWidget = new QHBox(parentWidget, widgetName);
+ mainWidget->setFocusPolicy(QWidget::StrongFocus);
+ setWidget(mainWidget);
+
+ // Setup part manager
+ partManager = new KParts::PartManager(parentWidget, "PartManager for kviewpart");
+ setManager(partManager);
+ // Don't switch to another part when pressing a mouse button
+ partManager->setActivationButtonMask(0);
+ // Without this the GUI-items of the KMultiPages are not merged
+ partManager->setAllowNestedParts(true);
+
+ connect(partManager, SIGNAL(activePartChanged(KParts::Part*)), this, SIGNAL(pluginChanged(KParts::Part*)));
+ partManager->addPart(this);
+
+ // create the displaying part
+
+ // Search for service
+ KTrader::OfferList offers;
+
+ if (!args.isEmpty())
+ {
+ // If a default MimeType is specified try to load a MultiPage supporting it.
+ QString defaultMimeType = args.first();
+ offers = KTrader::self()->query(
+ QString::fromLatin1("KViewShell/MultiPage" ),
+ QString("([X-KDE-MultiPageVersion] == %1) and "
+ "([X-KDE-MimeTypes] == '%2')").arg(MULTIPAGE_VERSION).arg(defaultMimeType));
+ }
+
+ // If no default MimeType is given or no MultiPage has been found, try to load the Empty MultiPage.
+ if (offers.isEmpty())
+ {
+ offers = KTrader::self()->query(
+ QString::fromLatin1("KViewShell/MultiPage" ),
+ QString("([X-KDE-MultiPageVersion] == %1) and "
+ "([X-KDE-EmptyMultiPage] == 1)").arg(MULTIPAGE_VERSION));
+ }
+
+ // If still no MultiPage has been found, report an error and abort.
+ if (offers.isEmpty())
+ {
+ KMessageBox::error(parentWidget, i18n("<qt>No MultiPage found.</qt>"));
+ // return;
+ }
+
+ KService::Ptr service = offers.first();
+ kdDebug(1223) << service->library() << endl;
+
+ // Try to load the multiPage
+ int error;
+ multiPage = static_cast<KMultiPage*>(KParts::ComponentFactory::createInstanceFromService<KParts::ReadOnlyPart>(service, mainWidget,
+ service->name().utf8(), QStringList(), &error ));
+
+ // If the loading of the MultiPage failed report and error and abort.
+ if (!multiPage) {
+ QString reason;
+ switch(error) {
+ case KParts::ComponentFactory::ErrNoServiceFound:
+ reason = i18n("<qt>No service implementing the given mimetype and fullfilling the given constraint expression can be found.</qt>");
+ break;
+ case KParts::ComponentFactory::ErrServiceProvidesNoLibrary:
+ reason = i18n("<qt>The specified service provides no shared library.</qt>");
+ break;
+ case KParts::ComponentFactory::ErrNoLibrary:
+ reason = i18n("<qt><p>The specified library <b>%1</b> could not be loaded. The error message returned was:</p>"
+ "<p><b>%2</b></p></qt>").arg(service->library()).arg(KLibLoader::self()->lastErrorMessage());
+ break;
+ case KParts::ComponentFactory::ErrNoFactory:
+ reason = i18n("<qt>The library does not export a factory for creating components.</qt>");
+ break;
+ case KParts::ComponentFactory::ErrNoComponent:
+ reason = i18n("<qt>The factory does not support creating components of the specified type.</qt>");
+ break;
+ }
+
+ QString text = i18n("<qt><p><b>Problem:</b> The document <b>%1</b> cannot be shown.</p>"
+ "<p><b>Reason:</b> The software component <b>%2</b> which is required to "
+ "display your files could not be initialized. This could point to "
+ "serious misconfiguration of your KDE system, or to damaged program files.</p>"
+ "<p><b>What you can do:</b> You could try to re-install the software packages in "
+ "question. If that does not help, you could file an error report, either to the "
+ "provider of your software (e.g. the vendor of your Linux distribution), or "
+ "directly to the authors of the software. The entry <b>Report Bug...</b> in the "
+ "<b>Help</b> menu helps you to contact the KDE programmers.</p></qt>").arg(m_file).arg(service->library());
+ QString caption = i18n("Error Initializing Software Component");
+ KMessageBox::detailedError(mainWidget, text, reason, caption);
+ emit setStatusBarText(QString::null);
+ return;
+ }
+ // Make the KViewPart the parent of the MultiPage.
+ // So the Partmanager treats it as a nested KPart.
+ insertChild(multiPage);
+
+ // Remember the name of the library.
+ multiPageLibrary = service->library();
+ // Add the multipage to the GUI.
+ partManager->addPart(multiPage);
+
+ exportTextAction = new KAction(i18n("Text..."), 0, this, SLOT(mp_exportText()), actionCollection(), "export_text");
+
+ // edit menu
+ findTextAction = KStdAction::find(this, SLOT(mp_showFindTextDialog()), actionCollection(), "find");
+ findNextAction = KStdAction::findNext(this, SLOT(mp_findNextText()), actionCollection(), "findnext");
+ findNextAction->setEnabled(false);
+ findPrevAction = KStdAction::findPrev(this, SLOT(mp_findPrevText()), actionCollection(), "findprev");
+ findPrevAction->setEnabled(false);
+
+ selectAllAction = KStdAction::selectAll(this, SLOT(mp_doSelectAll()), actionCollection(), "edit_select_all");
+
+ copyTextAction = KStdAction::copy(this, SLOT(mp_copyText()), actionCollection(), "copy_text");
+ copyTextAction->setEnabled(false);
+
+ deselectAction = KStdAction::deselect(this, SLOT(mp_clearSelection()), actionCollection(), "edit_deselect_all");
+ deselectAction->setEnabled(false);
+
+ saveAction = KStdAction::save(this, SLOT(mp_slotSave_defaultFilename()), actionCollection());
+
+ // settings menu
+ showSidebar = new KToggleAction (i18n("Show &Sidebar"), "show_side_panel", 0, this,
+ SLOT(slotShowSidebar()), actionCollection(), "show_sidebar");
+ showSidebar->setCheckedState(i18n("Hide &Sidebar"));
+ watchAct = new KToggleAction(i18n("&Watch File"), 0, 0, 0, actionCollection(), "watch_file");
+ scrollbarHandling = new KToggleAction (i18n("Show Scrollbars"), 0, 0, 0, actionCollection(), "scrollbarHandling");
+ scrollbarHandling->setCheckedState(i18n("Hide Scrollbars"));
+
+ // View modes
+ QStringList viewModes;
+ viewModes.append(i18n("Single Page"));
+ viewModes.append(i18n("Continuous"));
+ viewModes.append(i18n("Continuous - Facing"));
+ viewModes.append(i18n("Overview"));
+ viewModeAction = new KSelectAction (i18n("View Mode"), 0, 0, 0, actionCollection(), "viewmode");
+ viewModeAction->setItems(viewModes);
+
+ // Orientation menu
+ QStringList orientations;
+ orientations.append(i18n("Portrait"));
+ orientations.append(i18n("Landscape"));
+ orientation = new KSelectAction (i18n("Preferred &Orientation"), 0, 0, 0, actionCollection(), "view_orientation");
+ orientation->setItems(orientations);
+ connect(orientation, SIGNAL(activated (int)), &userRequestedPaperSize, SLOT(setOrientation(int)));
+
+ // Zoom Menu
+ zoom_action = new KSelectAction (i18n("&Zoom"), 0, 0, 0, actionCollection(), "view_zoom");
+ zoom_action->setEditable(true);
+ zoom_action->setItems(_zoomVal.zoomNames());
+
+ connect (&_zoomVal, SIGNAL(zoomNamesChanged(const QStringList &)), zoom_action, SLOT(setItems(const QStringList &)));
+ connect (&_zoomVal, SIGNAL(valNoChanged(int)), zoom_action, SLOT(setCurrentItem(int)));
+ connect (&_zoomVal, SIGNAL(zoomNameChanged(const QString &)), this, SIGNAL(zoomChanged(const QString &)) );
+ connect (zoom_action, SIGNAL(activated(const QString &)), this, SLOT(setZoomValue(const QString &)));
+ _zoomVal.setZoomValue(1.0); // should not be necessary @@@@
+ emit(zoomChanged("100%"));
+
+ // Paper Size Menu
+ media = new KSelectAction (i18n("Preferred Paper &Size"), 0, 0, 0, actionCollection(), "view_media");
+ QStringList items = userRequestedPaperSize.pageSizeNames();
+ items.prepend(i18n("Custom Size..."));
+ media->setItems(items);
+ connect (media, SIGNAL(activated(int)), this, SLOT(slotMedia(int)));
+
+ useDocumentSpecifiedSize = new KToggleAction(i18n("&Use Document Specified Paper Size"), 0, this, SLOT(slotShowSidebar()),
+ actionCollection(), "view_use_document_specified_size");
+
+ // Zoom Actions
+ zoomInAct = KStdAction::zoomIn (this, SLOT(zoomIn()), actionCollection());
+ zoomOutAct = KStdAction::zoomOut(this, SLOT(zoomOut()), actionCollection());
+
+ fitPageAct = new KToggleAction(i18n("&Fit to Page"), "view_fit_window", Key_P,
+ actionCollection(), "view_fit_to_page");
+ fitWidthAct = new KToggleAction(i18n("Fit to Page &Width"), "view_fit_width", Key_W,
+ actionCollection(), "view_fit_to_width");
+ fitHeightAct = new KToggleAction(i18n("Fit to Page &Height"), "view_fit_height", Key_H,
+ actionCollection(), "view_fit_to_height");
+
+ fitPageAct -> setExclusiveGroup("view_fit");
+ fitWidthAct -> setExclusiveGroup("view_fit");
+ fitHeightAct -> setExclusiveGroup("view_fit");
+
+ connect(fitPageAct, SIGNAL(toggled(bool)), this, SLOT(enableFitToPage(bool)));
+ connect(fitWidthAct, SIGNAL(toggled(bool)), this, SLOT(enableFitToWidth(bool)));
+ connect(fitHeightAct, SIGNAL(toggled(bool)), this, SLOT(enableFitToHeight(bool)));
+
+ // go menu
+ backAct = KStdAction::prior(this, SLOT(mp_prevPage()), actionCollection());
+ forwardAct = KStdAction::next(this, SLOT(mp_nextPage()), actionCollection());
+ startAct = KStdAction::firstPage(this, SLOT(mp_firstPage()), actionCollection());
+ endAct = KStdAction::lastPage(this, SLOT(mp_lastPage()), actionCollection());
+ gotoAct = KStdAction::gotoPage(this, SLOT(goToPage()), actionCollection());
+ gotoAct->setShortcut("CTRL+G");
+
+ readUpAct = new KAction(i18n("Read Up Document"), "up", SHIFT+Key_Space, this, SLOT(mp_readUp()), actionCollection(), "go_read_up");
+ readDownAct = new KAction(i18n("Read Down Document"), "down", Key_Space, this, SLOT(mp_readDown()), actionCollection(), "go_read_down");
+
+ printAction = KStdAction::print(this, SLOT(slotPrint()), actionCollection());
+
+ saveAsAction = KStdAction::saveAs(this, SLOT(mp_slotSave()), actionCollection());
+
+ // mode action
+ moveModeAction = new KRadioAction(i18n("&Move Tool"), "movetool", Key_F4, actionCollection(), "move_tool");
+ selectionModeAction = new KRadioAction(i18n("&Selection Tool"), "selectiontool", Key_F5, actionCollection(), "selection_tool");
+
+ moveModeAction->setExclusiveGroup("tools");
+ selectionModeAction->setExclusiveGroup("tools");
+
+ moveModeAction->setChecked(true);
+
+ connect(moveModeAction, SIGNAL(toggled(bool)), this, SLOT(slotEnableMoveTool(bool)));
+ //connect(selectionModeAction, SIGNAL(toggled(bool)), this, SLOT(slotEnableSelectionTool(bool)));
+
+ // history action
+ backAction = new KAction(i18n("&Back"), "1leftarrow", 0,
+ this, SLOT(mp_doGoBack()), actionCollection(), "go_back");
+ forwardAction = new KAction(i18n("&Forward"), "1rightarrow", 0,
+ this, SLOT(mp_doGoForward()), actionCollection(), "go_forward");
+
+ backAction->setEnabled(false);
+ forwardAction->setEnabled(false);
+
+
+ settingsAction = KStdAction::preferences(this, SLOT(doSettings()), actionCollection());
+
+ // We only show this menuitem if no default mimetype is set. This usually means kviewshell
+ // has been started by itself. Otherwise if KDVI or KFaxView has been started show the
+ // additional about information.
+ if (!args.isEmpty())
+ {
+ aboutAction = new KAction(i18n("About KViewShell"), "kviewshell", 0, this,
+ SLOT(aboutKViewShell()), actionCollection(), "help_about_kviewshell");
+ }
+
+ // keyboard accelerators
+ accel = new KAccel(mainWidget);
+ accel->insert(I18N_NOOP("Scroll Up"), Key_Up, this, SLOT(mp_scrollUp()));
+ accel->insert(I18N_NOOP("Scroll Down"), Key_Down, this, SLOT(mp_scrollDown()));
+ accel->insert(I18N_NOOP("Scroll Left"), Key_Left, this, SLOT(mp_scrollLeft()));
+ accel->insert(I18N_NOOP("Scroll Right"), Key_Right, this, SLOT(mp_scrollRight()));
+
+ accel->insert(I18N_NOOP("Scroll Up Page"), SHIFT+Key_Up, this, SLOT(mp_scrollUpPage()));
+ accel->insert(I18N_NOOP("Scroll Down Page"), SHIFT+Key_Down, this, SLOT(mp_scrollDownPage()));
+ accel->insert(I18N_NOOP("Scroll Left Page"), SHIFT+Key_Left, this, SLOT(mp_scrollLeftPage()));
+ accel->insert(I18N_NOOP("Scroll Right Page"), SHIFT+Key_Right, this, SLOT(mp_scrollRightPage()));
+
+ accel->readSettings();
+ readSettings();
+
+ m_extension = new KViewPartExtension(this);
+
+ setXMLFile("kviewerpart.rc");
+
+ initializeMultiPage();
+
+ // The page size dialog is constructed on first usage -- saves some
+ // memory when not used.
+ _pageSizeDialog = 0;
+
+ checkActions();
+ viewModeAction->setCurrentItem(KVSPrefs::viewMode());
+
+ // We disconnect because we dont want some FocusEvents to trigger a GUI update, which might mess
+ // with our menus.
+ disconnect(partManager, SIGNAL(activePartChanged(KParts::Part*)), this, SIGNAL(pluginChanged(KParts::Part*)));
+}
+
+KViewPart::~KViewPart()
+{
+ writeSettings();
+
+ // Without the next two lines, konqueror crashes when it is quit
+ // while displaying a DVI file. I don't really understand
+ // why... --Stefan.
+ if (manager() != 0)
+ manager()->removePart(this);
+
+ // Delete the partManager;
+ setManager(0);
+ delete partManager;
+
+ delete multiPage;
+ delete tmpUnzipped;
+}
+
+
+void KViewPart::initializeMultiPage()
+{
+ // Paper Size handling
+ multiPage->setUseDocumentSpecifiedSize(useDocumentSpecifiedSize->isChecked());
+ multiPage->setUserPreferredSize(userRequestedPaperSize);
+ connect(&userRequestedPaperSize, SIGNAL(sizeChanged(const SimplePageSize&)), multiPage, SLOT(setUserPreferredSize(const SimplePageSize&)));
+ connect(useDocumentSpecifiedSize, SIGNAL(toggled(bool)), multiPage, SLOT(setUseDocumentSpecifiedSize(bool)));
+
+
+ connect(scrollbarHandling, SIGNAL(toggled(bool)), multiPage, SLOT(slotShowScrollbars(bool)));
+
+ // connect to the multi page view
+ connect( this, SIGNAL(scrollbarStatusChanged(bool)), multiPage, SLOT(slotShowScrollbars(bool)));
+ connect( multiPage, SIGNAL(pageInfo(int, int)), this, SLOT(pageInfo(int, int)) );
+ connect( multiPage, SIGNAL(askingToCheckActions()), this, SLOT(checkActions()) );
+ connect( multiPage, SIGNAL( started( KIO::Job * ) ), this, SIGNAL( started( KIO::Job * ) ) );
+ connect( multiPage, SIGNAL( completed() ), this, SIGNAL( completed() ) );
+ connect( multiPage, SIGNAL( canceled( const QString & ) ), this, SIGNAL( canceled( const QString & ) ) );
+ connect( multiPage, SIGNAL( setStatusBarText( const QString& ) ), this, SLOT( setStatusBarTextFromMultiPage( const QString& ) ) );
+
+ connect( multiPage, SIGNAL(zoomIn()), this, SLOT(zoomIn()) );
+ connect( multiPage, SIGNAL(zoomOut()), this, SLOT(zoomOut()) );
+
+ // change the viewmode
+ connect(viewModeAction, SIGNAL(activated (int)), multiPage, SLOT(setViewMode(int)));
+
+ // Update zoomlevel on viewmode changes
+ connect(multiPage, SIGNAL(viewModeChanged()), this, SLOT(updateZoomLevel()));
+
+ // navigation history
+ connect(multiPage->history(), SIGNAL(backItem(bool)), backAction, SLOT(setEnabled(bool)));
+ connect(multiPage->history(), SIGNAL(forwardItem(bool)), forwardAction, SLOT(setEnabled(bool)));
+
+ // text selection
+ connect(multiPage, SIGNAL(textSelected(bool)), copyTextAction, SLOT(setEnabled(bool)));
+ connect(multiPage, SIGNAL(textSelected(bool)), deselectAction, SLOT(setEnabled(bool)));
+
+ // text search
+ connect(multiPage, SIGNAL(searchEnabled(bool)), findNextAction, SLOT(setEnabled(bool)));
+ connect(multiPage, SIGNAL(searchEnabled(bool)), findPrevAction, SLOT(setEnabled(bool)));
+
+ // allow parts to have a GUI, too :-)
+ // (will be merged automatically)
+ insertChildClient( multiPage );
+}
+
+void KViewPart::slotStartFitTimer()
+{
+ fitTimer.start(100, true);
+}
+
+
+QString KViewPart::pageSizeDescription()
+{
+ PageNumber nr = multiPage->currentPageNumber();
+ if (!nr.isValid())
+ return QString::null;
+ SimplePageSize ss = multiPage->sizeOfPage(nr);
+ if (!ss.isValid())
+ return QString::null;
+ pageSize s(ss);
+
+ QString size = " ";
+ if (s.formatNumber() == -1) {
+ if (KGlobal::locale()-> measureSystem() == KLocale::Metric)
+ size += QString("%1x%2 mm").arg(s.width().getLength_in_mm(), 0, 'f', 0).arg(s.height().getLength_in_mm(), 0, 'f', 0);
+ else
+ size += QString("%1x%2 in").arg(s.width().getLength_in_inch(), 0, 'g', 2).arg(s.height().getLength_in_inch(), 0, 'g', 2);
+ } else {
+ size += s.formatName() + "/";
+ if (s.getOrientation() == 0)
+ size += i18n("portrait");
+ else
+ size += i18n("landscape");
+ }
+ return size+" ";
+}
+
+
+void KViewPart::restoreDocument(const KURL &url, int page)
+{
+ if (openURL(url))
+ multiPage->gotoPage(page);
+}
+
+
+void KViewPart::saveDocumentRestoreInfo(KConfig* config)
+{
+ config->writePathEntry("URL", url().url());
+ if (multiPage->numberOfPages() > 0)
+ config->writeEntry("Page", multiPage->currentPageNumber());
+}
+
+
+void KViewPart::slotFileOpen()
+{
+ if ((!multiPage.isNull()) && (multiPage->isModified() == true)) {
+ int ans = KMessageBox::warningContinueCancel( 0,
+ i18n("Your document has been modified. Do you really want to open another document?"),
+ i18n("Warning - Document Was Modified"),KStdGuiItem::open());
+ if (ans == KMessageBox::Cancel)
+ return;
+ }
+
+ KURL url = KFileDialog::getOpenURL(QString::null, supportedMimeTypes().join(" "));
+
+ if (!url.isEmpty())
+ openURL(url);
+}
+
+QStringList KViewPart::supportedMimeTypes()
+{
+ QStringList supportedMimeTypes;
+
+ // Search for service
+ KTrader::OfferList offers = KTrader::self()->query(
+ QString::fromLatin1("KViewShell/MultiPage"),
+ QString("([X-KDE-MultiPageVersion] == %1)").arg(MULTIPAGE_VERSION)
+ );
+
+ if (!offers.isEmpty())
+ {
+ KTrader::OfferList::ConstIterator iterator = offers.begin();
+ KTrader::OfferList::ConstIterator end = offers.end();
+
+ for (; iterator != end; ++iterator)
+ {
+ KService::Ptr service = *iterator;
+ QString mimeType = service->property("X-KDE-MimeTypes").toString();
+ supportedMimeTypes << mimeType;
+
+ }
+ }
+
+ // The kviewshell is also able to read compressed files and to
+ // uncompress them on the fly.
+
+ // Check if this version of KDE supports bzip2
+ bool bzip2Available = (KFilterBase::findFilterByMimeType( "application/x-bzip2" ) != 0L);
+
+ supportedMimeTypes << "application/x-gzip";
+
+ if (bzip2Available)
+ {
+ supportedMimeTypes << "application/x-bzip2";
+ }
+
+ return supportedMimeTypes;
+}
+
+QStringList KViewPart::fileFormats() const
+{
+ // Compile a list of the supported filename patterns
+
+ // First we build a list of the mimetypes which are supported by the
+ // currently installed KMultiPage-Plugins.
+ QStringList supportedMimeTypes;
+ QStringList supportedPattern;
+
+ // Search for service
+ KTrader::OfferList offers = KTrader::self()->query(
+ QString::fromLatin1("KViewShell/MultiPage"),
+ QString("([X-KDE-MultiPageVersion] == %1)").arg(MULTIPAGE_VERSION)
+ );
+
+ if (!offers.isEmpty())
+ {
+ KTrader::OfferList::ConstIterator iterator = offers.begin();
+ KTrader::OfferList::ConstIterator end = offers.end();
+
+ for (; iterator != end; ++iterator)
+ {
+ KService::Ptr service = *iterator;
+ QString mimeType = service->property("X-KDE-MimeTypes").toString();
+ supportedMimeTypes << mimeType;
+
+ QStringList pattern = KMimeType::mimeType(mimeType)->patterns();
+ while(!pattern.isEmpty())
+ {
+ supportedPattern.append(pattern.front().stripWhiteSpace());
+ pattern.pop_front();
+ }
+ }
+ }
+
+ // The kviewshell is also able to read compressed files and to
+ // uncompress them on the fly. Thus, we modify the list of supported
+ // file formats which we obtain from the multipages to include
+ // compressed files like "*.dvi.gz". We add "*.dvi.bz2" if support
+ // for bzip2 is compiled into KDE.
+
+ // Check if this version of KDE supports bzip2
+ bool bzip2Available = (KFilterBase::findFilterByMimeType( "application/x-bzip2" ) != 0L);
+
+ QStringList compressedPattern;
+
+ for(QStringList::Iterator it = supportedPattern.begin(); it != supportedPattern.end(); ++it )
+ {
+ if ((*it).find(".gz", -3) == -1) // Paranoia safety check
+ compressedPattern.append(*it + ".gz");
+
+ if ((bzip2Available) && ((*it).find(".bz2", -4) == -1)) // Paranoia safety check
+ compressedPattern.append(*it + ".bz2");
+ }
+
+ while (!compressedPattern.isEmpty())
+ {
+ supportedPattern.append(compressedPattern.front());
+ compressedPattern.pop_front();
+ }
+
+ kdDebug(1223) << "Supported Pattern: " << supportedPattern << endl;
+
+ return supportedPattern;
+}
+
+
+void KViewPart::slotSetFullPage(bool fullpage)
+{
+ if (multiPage)
+ multiPage->slotSetFullPage(fullpage);
+ else
+ kdError(1223) << "KViewPart::slotSetFullPage() called without existing multipage" << endl;
+
+ // Restore normal view
+ if (fullpage == false)
+ {
+ slotShowSidebar();
+ multiPage->slotShowScrollbars(scrollbarHandling->isChecked());
+ }
+}
+
+
+void KViewPart::slotShowSidebar()
+{
+ bool show = showSidebar->isChecked();
+ multiPage->slotShowSidebar(show);
+}
+
+
+bool KViewPart::openFile()
+{
+ KURL tmpFileURL;
+
+ // We try to be error-tolerant about filenames. If the user calls us
+ // with something like "test", and we are using the DVI-part, we'll
+ // also look for "testdvi" and "test.dvi".
+ QFileInfo fi(m_file);
+ m_file = fi.absFilePath();
+
+ if (!fi.exists())
+ {
+ QStringList supportedPatterns = fileFormats();
+ QStringList endings;
+
+ for (QStringList::Iterator it = supportedPatterns.begin(); it != supportedPatterns.end(); ++it)
+ {
+ // Only consider patterns starting with "*."
+ if ((*it).find("*.") == 0)
+ {
+ // Remove first Letter from string
+ endings.append((*it).mid(2).stripWhiteSpace());
+ }
+ }
+ kdDebug(1223) << "Supported Endings: " << endings << endl;
+
+ // Now try to append the endings with and without "." to the given filename,
+ // and see if that gives a existing file.
+ for (QStringList::Iterator it = endings.begin(); it != endings.end(); ++it)
+ {
+ fi.setFile(m_file+(*it));
+ if (fi.exists())
+ {
+ m_file = m_file+(*it);
+ break;
+ }
+ fi.setFile(m_file+"."+(*it));
+ if (fi.exists())
+ {
+ m_file = m_file+"."+(*it);
+ break;
+ }
+ }
+
+ // If we still have not found a file. Show an error message and return.
+ if (!fi.exists())
+ {
+ KMessageBox::error(mainWidget, i18n("<qt>File <nobr><strong>%1</strong></nobr> does not exist.</qt>").arg(m_file));
+ emit setStatusBarText(QString::null);
+ return false;
+ }
+ m_url.setPath(QFileInfo(m_file).absFilePath());
+ }
+
+ // Set the window caption now, before we do any uncompression and generation of temporary files.
+ tmpFileURL.setPath(m_file);
+ emit setStatusBarText(i18n("Loading '%1'...").arg(tmpFileURL.prettyURL()));
+ emit setWindowCaption( tmpFileURL.prettyURL() ); // set Window caption WITHOUT the reference part!
+
+ // Check if the file is compressed
+ KMimeType::Ptr mimetype = KMimeType::findByPath( m_file );
+
+ if (( mimetype->name() == "application/x-gzip" ) || ( mimetype->name() == "application/x-bzip2" ) ||
+ ( mimetype->parentMimeType() == "application/x-gzip" ) ||
+ ( mimetype->parentMimeType() == "application/x-bzip2" ))
+ {
+ // The file is compressed. Make a temporary file, and store an uncompressed version there...
+ if (tmpUnzipped != 0L) // Delete old temporary file
+ delete tmpUnzipped;
+
+ tmpUnzipped = new KTempFile;
+ if (tmpUnzipped == 0L)
+ {
+ KMessageBox::error(mainWidget, i18n("<qt><strong>File Error!</strong> Could not create "
+ "temporary file.</qt>"));
+ emit setWindowCaption(QString::null);
+ emit setStatusBarText(QString::null);
+ return false;
+ }
+ tmpUnzipped->setAutoDelete(true);
+ if(tmpUnzipped->status() != 0)
+ {
+ KMessageBox::error(mainWidget, i18n("<qt><strong>File Error!</strong> Could not create temporary file "
+ "<nobr><strong>%1</strong></nobr>.</qt>").arg(strerror(tmpUnzipped->status())));
+ emit setWindowCaption(QString::null);
+ emit setStatusBarText(QString::null);
+ return false;
+ }
+
+ QIODevice* filterDev;
+ if (( mimetype->parentMimeType() == "application/x-gzip" ) ||
+ ( mimetype->parentMimeType() == "application/x-bzip2" ))
+ filterDev = KFilterDev::deviceForFile(m_file, mimetype->parentMimeType());
+ else
+ filterDev = KFilterDev::deviceForFile(m_file);
+ if (filterDev == 0L)
+ {
+ emit setWindowCaption(QString::null);
+ emit setStatusBarText(QString::null);
+ return false;
+ }
+ if(!filterDev->open(IO_ReadOnly))
+ {
+ KMessageBox::detailedError(mainWidget, i18n("<qt><strong>File Error!</strong> Could not open the file "
+ "<nobr><strong>%1</strong></nobr> for uncompression. "
+ "The file will not be loaded.</qt>").arg(m_file),
+ i18n("<qt>This error typically occurs if you do not have enough permissions to read the file. "
+ "You can check ownership and permissions if you right-click on the file in the Konqueror "
+ "file manager and then choose the 'Properties' menu.</qt>"));
+ emit setWindowCaption(QString::null);
+ delete filterDev;
+ emit setStatusBarText(QString::null);
+ return false;
+ }
+
+ KProgressDialog* prog = new KProgressDialog(0L, "uncompress-progress",
+ i18n("Uncompressing..."),
+ i18n("<qt>Uncompressing the file <nobr><strong>%1</strong></nobr>. Please wait.</qt>").arg(m_file));
+
+ prog->progressBar()->setTotalSteps((int) fi.size()/1024);
+ prog->progressBar()->setProgress(0);
+ prog->setMinimumDuration(250);
+
+ QByteArray buf(1024);
+ int read = 0, wrtn = 0;
+
+ bool progress_dialog_was_cancelled = false;
+ while ((read = filterDev->readBlock(buf.data(), buf.size())) > 0)
+ {
+ kapp->processEvents();
+ progress_dialog_was_cancelled = prog->wasCancelled();
+ if (progress_dialog_was_cancelled)
+ break;
+ prog->progressBar()->advance(1);
+
+ wrtn = tmpUnzipped->file()->writeBlock(buf.data(), read);
+ if(read != wrtn)
+ break;
+ }
+ delete filterDev;
+ delete prog;
+ tmpUnzipped->sync();
+
+ if (progress_dialog_was_cancelled) {
+ emit setStatusBarText(QString::null);
+ return false;
+ }
+
+ if ((read != 0) || (tmpUnzipped->file()->size() == 0))
+ {
+ KMessageBox::detailedError(mainWidget, i18n("<qt><strong>File Error!</strong> Could not uncompress "
+ "the file <nobr><strong>%1</strong></nobr>. The file will not be loaded.</qt>").arg( m_file ),
+ i18n("<qt>This error typically occurs if the file is corrupt. "
+ "If you want to be sure, try to decompress the file manually using command-line tools.</qt>"));
+ emit setWindowCaption(QString::null);
+ emit setStatusBarText(QString::null);
+ return false;
+ }
+ tmpUnzipped->close();
+
+ m_file = tmpUnzipped->name();
+ }
+
+ // Now call the openURL-method of the multipage and give it an URL
+ // pointing to the downloaded file.
+ tmpFileURL.setPath(m_file);
+ // Pass the reference part of the URL through to the multipage
+ tmpFileURL.setRef(m_url.ref());
+
+ mimetype = KMimeType::findByURL(tmpFileURL);
+
+ // Search for service
+ KTrader::OfferList offers = KTrader::self()->query(
+ QString::fromLatin1("KViewShell/MultiPage" ),
+ QString("([X-KDE-MultiPageVersion] == %1) and "
+ "([X-KDE-MimeTypes] == '%2')").arg(MULTIPAGE_VERSION).arg(mimetype->name()));
+
+ if (offers.isEmpty()) {
+ KMessageBox::detailedError(mainWidget, i18n("<qt>The document <b>%1</b> cannot be shown because "
+ "its file type is not supported.</qt>").arg(m_file),
+ i18n("<qt>The file has mime type <b>%1</b> which is not supported by "
+ "any of the installed KViewShell plugins.</qt>").arg(mimetype->name()));
+ emit setWindowCaption(QString::null);
+ emit setStatusBarText(QString::null);
+ return false;
+ }
+
+ KService::Ptr service = offers.first();
+
+ // The the new multiPage is different then the currently loaded one.
+ if (service->library() != multiPageLibrary)
+ {
+ // We write the settings before we load the new multipage, so
+ // that the new multipage gets the same settings than the
+ // currently loaded one.
+ writeSettings();
+
+ // Delete old config dialog
+ KConfigDialog* configDialog = KConfigDialog::exists("kviewshell_config");
+ delete configDialog;
+
+ KMultiPage* oldMultiPage = multiPage;
+
+ // Try to load the multiPage
+ int error;
+ multiPage = static_cast<KMultiPage*>(KParts::ComponentFactory::createInstanceFromService<KParts::ReadOnlyPart>(service, mainWidget,
+ service->name().utf8(), QStringList(), &error ));
+
+ if (multiPage.isNull()) {
+ QString reason;
+ switch(error) {
+ case KParts::ComponentFactory::ErrNoServiceFound:
+ reason = i18n("<qt>No service implementing the given mimetype and fullfilling the given constraint expression can be found.</qt>");
+ break;
+ case KParts::ComponentFactory::ErrServiceProvidesNoLibrary:
+ reason = i18n("<qt>The specified service provides no shared library.</qt>");
+ break;
+ case KParts::ComponentFactory::ErrNoLibrary:
+ reason = i18n("<qt><p>The specified library <b>%1</b> could not be loaded. The error message returned was:</p> <p><b>%2</b></p></qt>").arg(service->library()).arg(KLibLoader::self()->lastErrorMessage());
+ break;
+ case KParts::ComponentFactory::ErrNoFactory:
+ reason = i18n("<qt>The library does not export a factory for creating components.</qt>");
+ break;
+ case KParts::ComponentFactory::ErrNoComponent:
+ reason = i18n("<qt>The factory does not support creating components of the specified type.</qt>");
+ break;
+ }
+
+ QString text = i18n("<qt><p><b>Problem:</b> The document <b>%1</b> cannot be shown.</p>"
+ "<p><b>Reason:</b> The software "
+ "component <b>%2</b> which is required to display files of type <b>%3</b> could "
+ "not be initialized. This could point to serious misconfiguration of your KDE "
+ "system, or to damaged program files.</p>"
+ "<p><b>What you can do:</b> You could try to re-install the software packages in "
+ "question. If that does not help, you could file an error report, either to the "
+ "provider of your software (e.g. the vendor of your Linux distribution), or "
+ "directly to the authors of the software. The entry <b>Report Bug...</b> in the "
+ "<b>Help</b> menu helps you to contact the KDE programmers.</p></qt>").arg(m_file).arg(service->library()).arg(mimetype->name());
+ QString caption = i18n("Error Initializing Software Component");
+ if (reason.isEmpty())
+ KMessageBox::error(mainWidget, text, caption);
+ else
+ KMessageBox::detailedError(mainWidget, text, reason, caption);
+ emit setStatusBarText(QString::null);
+ return false;
+ }
+
+ // Remember the name of the part. So only need to switch if really necessary.
+ multiPageLibrary = service->library();
+
+ connect(partManager, SIGNAL(activePartChanged(KParts::Part*)), this, SIGNAL(pluginChanged(KParts::Part*)));
+
+ // Switch to the new multiPage
+ partManager->replacePart(oldMultiPage, multiPage);
+
+ delete oldMultiPage;
+
+ // The next line makes the plugin switch much more smooth. Without it the new document
+ // is at first show at a very small zoomlevel before the zoom switches to the right value.
+ // This makes the plugin switching actually slower.
+ // TODO: Get rid of this without causing nasty artifacts.
+ kapp->processEvents();
+ initializeMultiPage();
+ partManager->setActivePart(this);
+
+ // We disconnect because we dont want some FocusEvents to trigger a GUI update, which might mess
+ // with our menus.
+ disconnect(partManager, SIGNAL(activePartChanged(KParts::Part*)), this, SIGNAL(pluginChanged(KParts::Part*)));
+
+ readSettings();
+ }
+
+ // Set the multipage to the current viewmode.
+ multiPage->setViewMode(viewModeAction->currentItem());
+
+ // Load the URL
+ bool r = multiPage->openURL(m_file, m_url);
+ updateZoomLevel(); // @@@@@@@@@@@@@
+
+ // We disable the selection tool for plugins that dont support text.
+ // Currently this is only the fax plugin.
+ if (multiPage->supportsTextSearch())
+ {
+ selectionModeAction->setEnabled(true);
+ }
+ else
+ {
+ selectionModeAction->setEnabled(false);
+ moveModeAction->setChecked(true);
+ }
+ // Switch the new multipage to the right tool
+ slotEnableMoveTool(moveModeAction->isChecked());
+
+ if (r) {
+ // Add the file to the watchlist
+ watch->addFile( m_file );
+
+ // Notify the ViewShell about the newly opened file.
+ emit fileOpened();
+ } else {
+ m_url = QString::null;
+ emit setWindowCaption(QString::null);
+ }
+
+ checkActions();
+ emit zoomChanged(QString("%1%").arg((int)(_zoomVal.value()*100.0+0.5)));
+ emit setStatusBarText(QString::null);
+ return r;
+}
+
+
+void KViewPart::reload()
+{
+ multiPage->reload();
+}
+
+
+void KViewPart::fileChanged(const QString &file)
+{
+ if (file == m_file && watchAct->isChecked())
+ multiPage->reload();
+}
+
+
+bool KViewPart::closeURL_ask()
+{
+ if (multiPage.isNull())
+ return false;
+
+ if (multiPage->isModified() == true) {
+ int ans = KMessageBox::warningContinueCancel( 0,
+ i18n("Your document has been modified. Do you really want to close it?"),
+ i18n("Document Was Modified"), KStdGuiItem::close());
+ if (ans == KMessageBox::Cancel)
+ return false;
+ }
+
+ return closeURL();
+}
+
+
+bool KViewPart::closeURL()
+{
+ if (multiPage.isNull())
+ return false;
+
+ if( watch && !m_file.isEmpty() )
+ watch->removeFile( m_file );
+
+ KParts::ReadOnlyPart::closeURL();
+ multiPage->closeURL();
+ m_url = QString::null;
+ checkActions();
+ emit setWindowCaption("");
+
+ return true;
+}
+
+
+void KViewPart::slotMedia(int id)
+{
+ // If the user has chosen one of the 'known' paper sizes, set the
+ // user requested paper size to that value. Via signals and slots,
+ // this will update the menus, and also the GUI, if necessary.
+ if (id > 1) {
+ userRequestedPaperSize.setPageSize(media->currentText());
+ return;
+ }
+
+ // If the user has chosen "Custom paper size..", show the paper size
+ // dialog. Construct it, if necessary. The paper size dialog will
+ // know the address of userRequestedPaperSize and change this
+ // member, if the user clicks ok/accept. The signal/slot mechanism
+ // will then make sure that the necessary updates in the GUI are
+ // done.
+ if (_pageSizeDialog == 0) {
+ _pageSizeDialog = new pageSizeDialog(mainWidget, &userRequestedPaperSize);
+ if (_pageSizeDialog == 0) {
+ kdError(1223) << "Could not construct the page size dialog!" << endl;
+ return;
+ }
+ }
+
+ // Reset the "preferred paper size" menu. We don't want to have the
+ // "custom paper size" check if the user aborts the dialog.
+ checkActions();
+
+ // Set or update the paper size dialog to show the currently
+ // selected value.
+ _pageSizeDialog->setPageSize(userRequestedPaperSize.serialize());
+ _pageSizeDialog->show();
+}
+
+
+void KViewPart::pageInfo(int numpages, int currentpage)
+{
+ updateZoomLevel();
+
+ // ATTN: The string here must be the same as in setPage() below
+ QString pageString = i18n("Page %1 of %2").arg(currentpage).arg(numpages);
+ if (pageChangeIsConnected) {
+ emit pageChanged(pageString);
+ emit sizeChanged(pageSizeDescription());
+ } else
+ emit setStatusBarText(pageString);
+
+ checkActions();
+}
+
+
+void KViewPart::goToPage()
+{
+ bool ok = false;
+ int p = KInputDialog::getInteger(i18n("Go to Page"), i18n("Page:"),
+ multiPage->currentPageNumber(), 1, multiPage->numberOfPages(),
+ 1 /*step*/, &ok, mainWidget, "gotoDialog");
+ if (ok)
+ multiPage->gotoPage(p);
+}
+
+
+void KViewPart::disableZoomFit()
+{
+ if (fitPageAct -> isChecked())
+ {
+ fitPageAct -> setChecked(false);
+ enableFitToPage(false);
+ }
+ else if(fitWidthAct -> isChecked())
+ {
+ fitWidthAct -> setChecked(false);
+ enableFitToWidth(false);
+ }
+ else if (fitHeightAct -> isChecked())
+ {
+ fitHeightAct -> setChecked(false);
+ enableFitToHeight(false);
+ }
+}
+
+void KViewPart::zoomIn()
+{
+ disableZoomFit();
+
+ float oldVal = _zoomVal.value();
+ float newVal = _zoomVal.zoomIn();
+
+ if (oldVal != newVal)
+ _zoomVal.setZoomValue(multiPage->setZoom(_zoomVal.zoomIn()));
+}
+
+
+void KViewPart::zoomOut()
+{
+ disableZoomFit();
+
+ float oldVal = _zoomVal.value();
+ float newVal = _zoomVal.zoomOut();
+
+ if (oldVal != newVal)
+ _zoomVal.setZoomValue(multiPage->setZoom(_zoomVal.zoomOut()));
+}
+
+void KViewPart::updateZoomLevel()
+{
+ if (fitPageAct->isChecked())
+ {
+ fitToPage();
+ }
+ else if (fitWidthAct->isChecked())
+ {
+ fitToWidth();
+ }
+ else if (fitHeightAct->isChecked())
+ {
+ fitToHeight();
+ }
+ else
+ {
+ // Manuell Zoom
+ }
+}
+
+void KViewPart::enableFitToPage(bool enable)
+{
+ if (enable)
+ {
+ fitToPage();
+ connect(multiPage->mainWidget(), SIGNAL(viewSizeChanged(const QSize&)),
+ this, SLOT(slotStartFitTimer()));
+ connect(&fitTimer, SIGNAL(timeout()), SLOT(fitToPage()));
+ }
+ else
+ {
+ disconnect(multiPage->mainWidget(), SIGNAL(viewSizeChanged(const QSize&)),
+ this, SLOT(slotStartFitTimer()));
+ disconnect(&fitTimer, SIGNAL(timeout()), this, SLOT(fitToPage()));
+ }
+}
+
+void KViewPart::enableFitToWidth(bool enable)
+{
+ if (enable)
+ {
+ fitToWidth();
+ connect(multiPage->mainWidget(), SIGNAL(viewSizeChanged(const QSize&)),
+ this, SLOT(slotStartFitTimer()));
+ connect(&fitTimer, SIGNAL(timeout()), SLOT(fitToWidth()));
+ }
+ else
+ {
+ disconnect(multiPage->mainWidget(), SIGNAL(viewSizeChanged(const QSize&)),
+ this, SLOT(slotStartFitTimer()));
+ disconnect(&fitTimer, SIGNAL(timeout()), this, SLOT(fitToWidth()));
+ }
+}
+
+void KViewPart::enableFitToHeight(bool enable)
+{
+ if (enable)
+ {
+ fitToHeight();
+ connect(multiPage->mainWidget(), SIGNAL(viewSizeChanged(const QSize&)),
+ this, SLOT(slotStartFitTimer()));
+ connect(&fitTimer, SIGNAL(timeout()), SLOT(fitToHeight()));
+ }
+ else
+ {
+ disconnect(multiPage->mainWidget(), SIGNAL(viewSizeChanged(const QSize&)),
+ this, SLOT(slotStartFitTimer()));
+ disconnect(&fitTimer, SIGNAL(timeout()), this, SLOT(fitToHeight()));
+ }
+}
+
+
+void KViewPart::fitToPage()
+{
+ double z = QMIN(multiPage->calculateFitToHeightZoomValue(),
+ multiPage->calculateFitToWidthZoomValue());
+
+ // Check if the methods returned usable values. Values that are not
+ // within the limits indicate that fitting to width or height is
+ // currently not possible (e.g. because no document is
+ // loaded). In that case, we abort.
+ if ((z < ZoomLimits::MinZoom/1000.0) || (z > ZoomLimits::MaxZoom/1000.0))
+ return;
+
+ multiPage->setZoom(z);
+ _zoomVal.setZoomFitPage(z);
+}
+
+
+void KViewPart::fitToHeight()
+{
+ double z = multiPage->calculateFitToHeightZoomValue();
+
+ // Check if the method returned a usable value. Values that are not
+ // within the limits indicate that fitting to height is currently
+ // not possible (e.g. because no document is loaded). In that case,
+ // we abort.
+ if ((z < ZoomLimits::MinZoom/1000.0) || (z > ZoomLimits::MaxZoom/1000.0))
+ return;
+
+ multiPage->setZoom(z);
+ _zoomVal.setZoomFitHeight(z);
+}
+
+
+void KViewPart::fitToWidth()
+{
+ double z = multiPage->calculateFitToWidthZoomValue();
+
+ // Check if the method returned a usable value. Values that are not
+ // within the limits indicate that fitting to width is currently not
+ // possible (e.g. because no document is loaded). In that case, we
+ // abort.
+ if ((z < ZoomLimits::MinZoom/1000.0) || (z > ZoomLimits::MaxZoom/1000.0))
+ return;
+
+ multiPage->setZoom(z);
+ _zoomVal.setZoomFitWidth(z);
+}
+
+
+void KViewPart::setZoomValue(const QString &sval)
+{
+ if (sval == i18n("Fit to Page Width"))
+ {
+ fitWidthAct -> setChecked(true);
+ fitToWidth();
+ }
+ else if (sval == i18n("Fit to Page Height"))
+ {
+ fitHeightAct -> setChecked(true);
+ fitToHeight();
+ }
+ else if (sval == i18n("Fit to Page"))
+ {
+ fitPageAct -> setChecked(true);
+ fitToPage();
+ }
+ else
+ {
+ disableZoomFit();
+
+ float fval = _zoomVal.value();
+ _zoomVal.setZoomValue(sval);
+ if (fval != _zoomVal.value())
+ _zoomVal.setZoomValue(multiPage->setZoom(_zoomVal.value()));
+ }
+
+ mainWidget->setFocus();
+}
+
+
+void KViewPart::checkActions()
+{
+ if (multiPage.isNull())
+ return;
+
+ int currentPage = multiPage->currentPageNumber();
+ int numberOfPages = multiPage->numberOfPages();
+
+ bool doc = !url().isEmpty();
+
+ useDocumentSpecifiedSize->setEnabled(multiPage->hasSpecifiedPageSizes() );
+
+ if (multiPage->overviewMode())
+ {
+ int visiblePages = multiPage->getNrRows() *
+ multiPage->getNrColumns();
+
+ // firstVisiblePage is the smallest currently shown pagenumber.
+ int firstVisiblePage = currentPage - (currentPage % visiblePages);
+
+ backAct->setEnabled(doc && currentPage >= visiblePages);
+ forwardAct->setEnabled(doc && firstVisiblePage <= numberOfPages - visiblePages);
+
+ startAct->setEnabled(doc && firstVisiblePage > 1);
+ endAct->setEnabled(doc && firstVisiblePage + visiblePages < numberOfPages);
+ }
+ else
+ {
+ backAct->setEnabled(doc && currentPage > 1);
+ forwardAct->setEnabled(doc && currentPage < numberOfPages);
+
+ startAct->setEnabled(doc && currentPage > 1);
+ endAct->setEnabled(doc && currentPage < numberOfPages);
+ }
+
+ gotoAct->setEnabled(doc && numberOfPages > 1);
+ readDownAct->setEnabled(doc);
+ readUpAct->setEnabled(doc);
+
+ zoomInAct->setEnabled(doc);
+ zoomOutAct->setEnabled(doc);
+
+ fitPageAct->setEnabled(doc);
+ fitHeightAct->setEnabled(doc);
+ fitWidthAct->setEnabled(doc);
+
+ media->setEnabled(doc);
+ orientation->setEnabled(doc);
+
+ printAction->setEnabled(doc);
+
+ saveAction->setEnabled(multiPage->isModified());
+
+ saveAsAction->setEnabled(doc);
+
+ if (userRequestedPaperSize.formatNumber() != -1) {
+ orientation->setCurrentItem(userRequestedPaperSize.getOrientation());
+ orientation->setEnabled(true);
+ media->setCurrentItem(userRequestedPaperSize.formatNumber()+1);
+ } else {
+ orientation->setEnabled(false);
+ media->setCurrentItem(userRequestedPaperSize.formatNumber()-1);
+ }
+
+ bool textSearch = false;
+ if (doc && multiPage->supportsTextSearch())
+ textSearch = true;
+
+ exportTextAction->setEnabled(textSearch);
+ findTextAction->setEnabled(textSearch);
+ selectAllAction->setEnabled(textSearch);
+}
+
+
+void KViewPart::slotPrint()
+{
+ // TODO: REMOVE THIS METHOD
+ // @@@@@@@@@@@@@@@
+ multiPage->print();
+}
+
+
+void KViewPart::readSettings()
+{
+ showSidebar->setChecked(KVSPrefs::pageMarks());
+ slotShowSidebar();
+
+ watchAct->setChecked(KVSPrefs::watchFile());
+
+ // Read zoom value. Even if 'fitToPage' has been set above, there is
+ // no widget available right now, so setting a good default value
+ // from the configuration file is perhaps not a bad idea.
+ float _zoom = KVSPrefs::zoom();
+ if ( (_zoom < ZoomLimits::MinZoom/1000.0) || (_zoom > ZoomLimits::MaxZoom/1000.0)) {
+ kdWarning(1223) << "Illeagal zoom value of " << _zoom*100.0 << "% found in the preferences file. Setting zoom to 100%." << endl;
+ _zoom = 1.0;
+ }
+ _zoomVal.setZoomValue(multiPage->setZoom(_zoom));
+
+ // The value 'fitToPage' has several meanings: 1 is 'fit to page
+ // width', 2 is 'fit to page height', 3 is 'fit to page'. Other
+ // values indicate 'no fit to page'. Note: at the time this code is
+ // executed, the methods fitToWidth(), etc., do not work well at all
+ // (perhaps some data is not initialized yet)? For that reason, we
+ // do not call these methods, and load the last zoom-value from the
+ // configuration file below. The hope is that this value is not
+ // terribly wrong. If the user doesn't like it, it suffices to
+ // resize the window just a bit...
+ switch(KVSPrefs::fitToPage()) {
+ case KVSPrefs::EnumFitToPage::FitToPage:
+ fitPageAct->setChecked(true);
+ _zoomVal.setZoomFitPage(_zoom);
+ enableFitToPage(true);
+ break;
+ case KVSPrefs::EnumFitToPage::FitToPageWidth:
+ fitWidthAct->setChecked(true);
+ _zoomVal.setZoomFitWidth(_zoom);
+ enableFitToWidth(true);
+ break;
+ case KVSPrefs::EnumFitToPage::FitToPageHeight:
+ fitHeightAct->setChecked(true);
+ _zoomVal.setZoomFitHeight(_zoom);
+ enableFitToHeight(true);
+ break;
+ }
+
+ // Read Paper Size. and orientation. The GUI is updated
+ // automatically by the signals/slots mechanism whenever
+ // userRequestedPaperSize is changed.
+ userRequestedPaperSize.setPageSize(KVSPrefs::paperFormat());
+
+ // Check if scrollbars should be shown.
+ bool sbstatus = KVSPrefs::scrollbars();
+ scrollbarHandling->setChecked(sbstatus);
+ emit scrollbarStatusChanged(sbstatus);
+
+ // Check if document specified paper sizes should be shown. We do
+ // not need to take any action here, because this method is called
+ // only in the constructor of the KViewPart when no document is loaded.
+ useDocumentSpecifiedSize->setChecked(KVSPrefs::useDocumentSpecifiedSize());
+
+ multiPage->readSettings();
+}
+
+
+void KViewPart::writeSettings()
+{
+ KVSPrefs::setPageMarks(showSidebar->isChecked());
+ KVSPrefs::setWatchFile(watchAct->isChecked());
+ KVSPrefs::setZoom(_zoomVal.value());
+ KVSPrefs::setPaperFormat(userRequestedPaperSize.serialize());
+ KVSPrefs::setScrollbars(scrollbarHandling->isChecked());
+ KVSPrefs::setUseDocumentSpecifiedSize(useDocumentSpecifiedSize->isChecked());
+
+ if (!multiPage.isNull())
+ multiPage->writeSettings();
+
+ if (fitPageAct->isChecked())
+ KVSPrefs::setFitToPage(KVSPrefs::EnumFitToPage::FitToPage);
+ else if(fitWidthAct->isChecked())
+ KVSPrefs::setFitToPage(KVSPrefs::EnumFitToPage::FitToPageWidth);
+ else if (fitHeightAct->isChecked())
+ KVSPrefs::setFitToPage(KVSPrefs::EnumFitToPage::FitToPageHeight);
+ else
+ KVSPrefs::setFitToPage(KVSPrefs::EnumFitToPage::DontFit);
+
+ KVSPrefs::writeConfig();
+}
+
+
+void KViewPart::connectNotify ( const char *sig )
+{
+ if (QString(sig).contains("pageChanged"))
+ pageChangeIsConnected = true;
+}
+
+
+void KViewPart::setStatusBarTextFromMultiPage( const QString &msg )
+{
+ if (msg.isEmpty())
+ {
+ if (pageChangeIsConnected)
+ emit setStatusBarText(QString::null);
+ else
+ {
+ int currentPage = multiPage->currentPageNumber();
+ int numberOfPages = multiPage->numberOfPages();
+ emit setStatusBarText(i18n("Page %1 of %2").arg(currentPage).arg(numberOfPages));
+ }
+ }
+ else
+ emit setStatusBarText(msg);
+}
+
+KAboutData* KViewPart::createAboutData()
+{
+ return new KAboutData("kviewerpart", I18N_NOOP("Document Viewer Part"),
+ "0.6", I18N_NOOP(""),
+ KAboutData::License_GPL,
+ I18N_NOOP("Copyright (c) 2005 Wilfried Huss"));
+}
+
+void KViewPart::aboutKViewShell()
+{
+ if (aboutDialog == 0)
+ {
+ // Create Dialog
+ aboutDialog = new KAboutDialog(mainWidget, "about_kviewshell");
+ aboutDialog->setTitle(I18N_NOOP("KViewShell"));
+ aboutDialog->setVersion("0.6");
+ aboutDialog->setAuthor("Matthias Hoelzer-Kluepfel", QString::null, QString::null,
+ I18N_NOOP("Original Author"));
+
+ aboutDialog->addContributor("Matthias Hoelzer-Kluepfel", "mhk@caldera.de", QString::null,
+ I18N_NOOP("Framework"));
+ aboutDialog->addContributor("David Sweet", "dsweet@kde.org", "http://www.chaos.umd.edu/~dsweet",
+ I18N_NOOP("Former KGhostView Maintainer"));
+ aboutDialog->addContributor("Mark Donohoe", QString::null, QString::null,
+ I18N_NOOP("KGhostView Author"));
+ aboutDialog->addContributor("Markku Hihnala", QString::null, QString::null,
+ I18N_NOOP("Navigation widgets"));
+ aboutDialog->addContributor("David Faure", QString::null, QString::null,
+ I18N_NOOP("Basis for shell"));
+ aboutDialog->addContributor("Daniel Duley", QString::null, QString::null,
+ I18N_NOOP("Port to KParts"));
+ aboutDialog->addContributor("Espen Sand", QString::null, QString::null,
+ I18N_NOOP("Dialog boxes"));
+ aboutDialog->addContributor("Stefan Kebekus", "kebekus@kde.org", QString::null,
+ I18N_NOOP("DCOP-Interface, major improvements"));
+ aboutDialog->addContributor("Wilfried Huss", "Wilfried.Huss@gmx.at", QString::null,
+ I18N_NOOP("Interface enhancements"));
+ }
+ aboutDialog->show();
+}
+
+void KViewPart::doSettings()
+{
+ if (KConfigDialog::showDialog("kviewshell_config"))
+ return;
+
+ KConfigDialog* configDialog = new KConfigDialog(mainWidget, "kviewshell_config", KVSPrefs::self());
+
+ optionDialogGUIWidget_base* guiWidget = new optionDialogGUIWidget_base(mainWidget);
+ configDialog->addPage(guiWidget, i18n("User Interface"), "view_choose");
+
+ optionDialogAccessibilityWidget* accWidget = new optionDialogAccessibilityWidget(mainWidget);
+ configDialog->addPage(accWidget, i18n("Accessibility"), "access");
+
+ multiPage->addConfigDialogs(configDialog);
+
+ connect(configDialog, SIGNAL(settingsChanged()), this, SLOT(preferencesChanged()));
+ configDialog->show();
+}
+
+void KViewPart::preferencesChanged()
+{
+ multiPage->preferencesChanged();
+}
+
+void KViewPart::partActivateEvent( KParts::PartActivateEvent *ev )
+{
+ QApplication::sendEvent( multiPage, ev );
+}
+
+
+void KViewPart::guiActivateEvent( KParts::GUIActivateEvent *ev )
+{
+ QApplication::sendEvent( multiPage, ev );
+}
+
+
+void KViewPart::slotEnableMoveTool(bool enable)
+{
+ // Safety Check
+ if (multiPage.isNull())
+ return;
+
+ multiPage->slotEnableMoveTool(enable);
+}
+
+
+KViewPartExtension::KViewPartExtension(KViewPart *parent)
+ : KParts::BrowserExtension( parent, "KViewPartExtension")
+{
+}
+
+
+// KMultiPage Interface
+void KViewPart::mp_prevPage()
+{
+ multiPage->prevPage();
+}
+
+void KViewPart::mp_nextPage()
+{
+ multiPage->nextPage();
+}
+
+void KViewPart::mp_firstPage()
+{
+ multiPage->firstPage();
+}
+
+void KViewPart::mp_lastPage()
+{
+ multiPage->lastPage();
+}
+
+
+void KViewPart::mp_readUp()
+{
+ multiPage->readUp();
+}
+
+void KViewPart::mp_readDown()
+{
+ multiPage->readDown();
+}
+
+
+void KViewPart::mp_scrollUp()
+{
+ multiPage->scrollUp();
+}
+
+void KViewPart::mp_scrollDown()
+{
+ multiPage->scrollDown();
+}
+
+void KViewPart::mp_scrollLeft()
+{
+ multiPage->scrollLeft();
+}
+
+void KViewPart::mp_scrollRight()
+{
+ multiPage->scrollRight();
+}
+
+void KViewPart::mp_scrollUpPage()
+{
+ multiPage->scrollUpPage();
+}
+
+void KViewPart::mp_scrollDownPage()
+{
+ multiPage->scrollDownPage();
+}
+
+void KViewPart::mp_scrollLeftPage()
+{
+ multiPage->scrollLeftPage();
+}
+
+void KViewPart::mp_scrollRightPage()
+{
+ multiPage->scrollRightPage();
+}
+
+
+void KViewPart::mp_slotSave()
+{
+ multiPage->slotSave();
+}
+
+void KViewPart::mp_slotSave_defaultFilename()
+{
+ multiPage->slotSave_defaultFilename();
+}
+
+
+void KViewPart::mp_doGoBack()
+{
+ multiPage->doGoBack();
+}
+
+void KViewPart::mp_doGoForward()
+{
+ multiPage->doGoForward();
+}
+
+
+void KViewPart::mp_showFindTextDialog()
+{
+ multiPage->showFindTextDialog();
+}
+
+void KViewPart::mp_findNextText()
+{
+ multiPage->findNextText();
+}
+
+void KViewPart::mp_findPrevText()
+{
+ multiPage->findPrevText();
+}
+
+void KViewPart::mp_doSelectAll()
+{
+ multiPage->doSelectAll();
+}
+
+void KViewPart::mp_clearSelection()
+{
+ multiPage->clearSelection();
+}
+
+void KViewPart::mp_copyText()
+{
+ multiPage->copyText();
+}
+
+void KViewPart::mp_exportText()
+{
+ multiPage->doExportText();
+}
+
+#include "kviewpart.moc"
+