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tdegraphics/kviewshell/kviewpart.cpp

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#include <tqfileinfo.h>
#include <tqhbox.h>
#include <tqlayout.h>
#include <tqscrollview.h>
#include <tqscrollbar.h>
#include <tqtimer.h>
#include <tqpainter.h>
#include <tqprinter.h>
#include <tqprintdialog.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(TQWidget *parentWidget, const char *widgetName, TQObject *parent,
const char *name, const TQStringList& args)
: KViewPart_Iface(parent, name), showSidebar(0), saveAction(0), partManager(0),
multiPageLibrary(TQString::null), aboutDialog(0)
{
KGlobal::locale()->insertCatalogue("kviewshell");
tmpUnzipped = 0L;
pageChangeIsConnected = false;
setInstance(KViewPartFactory::instance());
watch = KDirWatch::self();
connect(watch, TQT_SIGNAL(dirty(const TQString&)), this, TQT_SLOT(fileChanged(const TQString&)));
watch->startScan();
mainWidget = new TQHBox(parentWidget, widgetName);
mainWidget->setFocusPolicy(TQWidget::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, TQT_SIGNAL(activePartChanged(KParts::Part*)), this, TQT_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.
TQString defaultMimeType = args.first();
offers = KTrader::self()->query(
TQString::fromLatin1("KViewShell/MultiPage" ),
TQString("([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(
TQString::fromLatin1("KViewShell/MultiPage" ),
TQString("([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(), TQStringList(), &error ));
// If the loading of the MultiPage failed report and error and abort.
if (!multiPage) {
TQString 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;
}
TQString 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());
TQString caption = i18n("Error Initializing Software Component");
KMessageBox::detailedError(mainWidget, text, reason, caption);
emit setStatusBarText(TQString::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, TQT_SLOT(mp_exportText()), actionCollection(), "export_text");
// edit menu
findTextAction = KStdAction::find(this, TQT_SLOT(mp_showFindTextDialog()), actionCollection(), "find");
findNextAction = KStdAction::findNext(this, TQT_SLOT(mp_findNextText()), actionCollection(), "findnext");
findNextAction->setEnabled(false);
findPrevAction = KStdAction::findPrev(this, TQT_SLOT(mp_findPrevText()), actionCollection(), "findprev");
findPrevAction->setEnabled(false);
selectAllAction = KStdAction::selectAll(this, TQT_SLOT(mp_doSelectAll()), actionCollection(), "edit_select_all");
copyTextAction = KStdAction::copy(this, TQT_SLOT(mp_copyText()), actionCollection(), "copy_text");
copyTextAction->setEnabled(false);
deselectAction = KStdAction::deselect(this, TQT_SLOT(mp_clearSelection()), actionCollection(), "edit_deselect_all");
deselectAction->setEnabled(false);
saveAction = KStdAction::save(this, TQT_SLOT(mp_slotSave_defaultFilename()), actionCollection());
// settings menu
showSidebar = new KToggleAction (i18n("Show &Sidebar"), "show_side_panel", 0, this,
TQT_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
TQStringList 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
TQStringList 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, TQT_SIGNAL(activated (int)), &userRequestedPaperSize, TQT_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, TQT_SIGNAL(zoomNamesChanged(const TQStringList &)), zoom_action, TQT_SLOT(setItems(const TQStringList &)));
connect (&_zoomVal, TQT_SIGNAL(valNoChanged(int)), zoom_action, TQT_SLOT(setCurrentItem(int)));
connect (&_zoomVal, TQT_SIGNAL(zoomNameChanged(const TQString &)), this, TQT_SIGNAL(zoomChanged(const TQString &)) );
connect (zoom_action, TQT_SIGNAL(activated(const TQString &)), this, TQT_SLOT(setZoomValue(const TQString &)));
_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");
TQStringList items = userRequestedPaperSize.pageSizeNames();
items.prepend(i18n("Custom Size..."));
media->setItems(items);
connect (media, TQT_SIGNAL(activated(int)), this, TQT_SLOT(slotMedia(int)));
useDocumentSpecifiedSize = new KToggleAction(i18n("&Use Document Specified Paper Size"), 0, this, TQT_SLOT(slotShowSidebar()),
actionCollection(), "view_use_document_specified_size");
// Zoom Actions
zoomInAct = KStdAction::zoomIn (this, TQT_SLOT(zoomIn()), actionCollection());
zoomOutAct = KStdAction::zoomOut(this, TQT_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, TQT_SIGNAL(toggled(bool)), this, TQT_SLOT(enableFitToPage(bool)));
connect(fitWidthAct, TQT_SIGNAL(toggled(bool)), this, TQT_SLOT(enableFitToWidth(bool)));
connect(fitHeightAct, TQT_SIGNAL(toggled(bool)), this, TQT_SLOT(enableFitToHeight(bool)));
// go menu
backAct = KStdAction::prior(this, TQT_SLOT(mp_prevPage()), actionCollection());
forwardAct = KStdAction::next(this, TQT_SLOT(mp_nextPage()), actionCollection());
startAct = KStdAction::firstPage(this, TQT_SLOT(mp_firstPage()), actionCollection());
endAct = KStdAction::lastPage(this, TQT_SLOT(mp_lastPage()), actionCollection());
gotoAct = KStdAction::gotoPage(this, TQT_SLOT(goToPage()), actionCollection());
gotoAct->setShortcut("CTRL+G");
readUpAct = new KAction(i18n("Read Up Document"), "up", SHIFT+Key_Space, this, TQT_SLOT(mp_readUp()), actionCollection(), "go_read_up");
readDownAct = new KAction(i18n("Read Down Document"), "down", Key_Space, this, TQT_SLOT(mp_readDown()), actionCollection(), "go_read_down");
printAction = KStdAction::print(this, TQT_SLOT(slotPrint()), actionCollection());
saveAsAction = KStdAction::saveAs(this, TQT_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, TQT_SIGNAL(toggled(bool)), this, TQT_SLOT(slotEnableMoveTool(bool)));
//connect(selectionModeAction, TQT_SIGNAL(toggled(bool)), this, TQT_SLOT(slotEnableSelectionTool(bool)));
// history action
backAction = new KAction(i18n("&Back"), "1leftarrow", 0,
this, TQT_SLOT(mp_doGoBack()), actionCollection(), "go_back");
forwardAction = new KAction(i18n("&Forward"), "1rightarrow", 0,
this, TQT_SLOT(mp_doGoForward()), actionCollection(), "go_forward");
backAction->setEnabled(false);
forwardAction->setEnabled(false);
settingsAction = KStdAction::preferences(this, TQT_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,
TQT_SLOT(aboutKViewShell()), actionCollection(), "help_about_kviewshell");
}
// keyboard accelerators
accel = new KAccel(mainWidget);
accel->insert(I18N_NOOP("Scroll Up"), Key_Up, this, TQT_SLOT(mp_scrollUp()));
accel->insert(I18N_NOOP("Scroll Down"), Key_Down, this, TQT_SLOT(mp_scrollDown()));
accel->insert(I18N_NOOP("Scroll Left"), Key_Left, this, TQT_SLOT(mp_scrollLeft()));
accel->insert(I18N_NOOP("Scroll Right"), Key_Right, this, TQT_SLOT(mp_scrollRight()));
accel->insert(I18N_NOOP("Scroll Up Page"), SHIFT+Key_Up, this, TQT_SLOT(mp_scrollUpPage()));
accel->insert(I18N_NOOP("Scroll Down Page"), SHIFT+Key_Down, this, TQT_SLOT(mp_scrollDownPage()));
accel->insert(I18N_NOOP("Scroll Left Page"), SHIFT+Key_Left, this, TQT_SLOT(mp_scrollLeftPage()));
accel->insert(I18N_NOOP("Scroll Right Page"), SHIFT+Key_Right, this, TQT_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, TQT_SIGNAL(activePartChanged(KParts::Part*)), this, TQT_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, TQT_SIGNAL(sizeChanged(const SimplePageSize&)), multiPage, TQT_SLOT(setUserPreferredSize(const SimplePageSize&)));
connect(useDocumentSpecifiedSize, TQT_SIGNAL(toggled(bool)), multiPage, TQT_SLOT(setUseDocumentSpecifiedSize(bool)));
connect(scrollbarHandling, TQT_SIGNAL(toggled(bool)), multiPage, TQT_SLOT(slotShowScrollbars(bool)));
// connect to the multi page view
connect( this, TQT_SIGNAL(scrollbarStatusChanged(bool)), multiPage, TQT_SLOT(slotShowScrollbars(bool)));
connect( multiPage, TQT_SIGNAL(pageInfo(int, int)), this, TQT_SLOT(pageInfo(int, int)) );
connect( multiPage, TQT_SIGNAL(askingToCheckActions()), this, TQT_SLOT(checkActions()) );
connect( multiPage, TQT_SIGNAL( started( KIO::Job * ) ), this, TQT_SIGNAL( started( KIO::Job * ) ) );
connect( multiPage, TQT_SIGNAL( completed() ), this, TQT_SIGNAL( completed() ) );
connect( multiPage, TQT_SIGNAL( canceled( const TQString & ) ), this, TQT_SIGNAL( canceled( const TQString & ) ) );
connect( multiPage, TQT_SIGNAL( setStatusBarText( const TQString& ) ), this, TQT_SLOT( setStatusBarTextFromMultiPage( const TQString& ) ) );
connect( multiPage, TQT_SIGNAL(zoomIn()), this, TQT_SLOT(zoomIn()) );
connect( multiPage, TQT_SIGNAL(zoomOut()), this, TQT_SLOT(zoomOut()) );
// change the viewmode
connect(viewModeAction, TQT_SIGNAL(activated (int)), multiPage, TQT_SLOT(setViewMode(int)));
// Update zoomlevel on viewmode changes
connect(multiPage, TQT_SIGNAL(viewModeChanged()), this, TQT_SLOT(updateZoomLevel()));
// navigation history
connect(multiPage->history(), TQT_SIGNAL(backItem(bool)), backAction, TQT_SLOT(setEnabled(bool)));
connect(multiPage->history(), TQT_SIGNAL(forwardItem(bool)), forwardAction, TQT_SLOT(setEnabled(bool)));
// text selection
connect(multiPage, TQT_SIGNAL(textSelected(bool)), copyTextAction, TQT_SLOT(setEnabled(bool)));
connect(multiPage, TQT_SIGNAL(textSelected(bool)), deselectAction, TQT_SLOT(setEnabled(bool)));
// text search
connect(multiPage, TQT_SIGNAL(searchEnabled(bool)), findNextAction, TQT_SLOT(setEnabled(bool)));
connect(multiPage, TQT_SIGNAL(searchEnabled(bool)), findPrevAction, TQT_SLOT(setEnabled(bool)));
// allow parts to have a GUI, too :-)
// (will be merged automatically)
insertChildClient( multiPage );
}
void KViewPart::slotStartFitTimer()
{
fitTimer.start(100, true);
}
TQString KViewPart::pageSizeDescription()
{
PageNumber nr = multiPage->currentPageNumber();
if (!nr.isValid())
return TQString::null;
SimplePageSize ss = multiPage->sizeOfPage(nr);
if (!ss.isValid())
return TQString::null;
pageSize s(ss);
TQString size = " ";
if (s.formatNumber() == -1) {
if (KGlobal::locale()-> measureSystem() == KLocale::Metric)
size += TQString("%1x%2 mm").arg(s.width().getLength_in_mm(), 0, 'f', 0).arg(s.height().getLength_in_mm(), 0, 'f', 0);
else
size += TQString("%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(TQString::null, supportedMimeTypes().join(" "));
if (!url.isEmpty())
openURL(url);
}
TQStringList KViewPart::supportedMimeTypes()
{
TQStringList supportedMimeTypes;
// Search for service
KTrader::OfferList offers = KTrader::self()->query(
TQString::fromLatin1("KViewShell/MultiPage"),
TQString("([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;
TQString 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;
}
TQStringList 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.
TQStringList supportedMimeTypes;
TQStringList supportedPattern;
// Search for service
KTrader::OfferList offers = KTrader::self()->query(
TQString::fromLatin1("KViewShell/MultiPage"),
TQString("([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;
TQString mimeType = service->property("X-KDE-MimeTypes").toString();
supportedMimeTypes << mimeType;
TQStringList 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);
TQStringList compressedPattern;
for(TQStringList::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".
TQFileInfo fi(m_file);
m_file = fi.absFilePath();
if (!fi.exists())
{
TQStringList supportedPatterns = fileFormats();
TQStringList endings;
for (TQStringList::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 (TQStringList::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(TQString::null);
return false;
}
m_url.setPath(TQFileInfo(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(TQString::null);
emit setStatusBarText(TQString::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(TQString::null);
emit setStatusBarText(TQString::null);
return false;
}
TQIODevice* 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(TQString::null);
emit setStatusBarText(TQString::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(TQString::null);
delete filterDev;
emit setStatusBarText(TQString::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);
TQByteArray 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(TQString::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(TQString::null);
emit setStatusBarText(TQString::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(
TQString::fromLatin1("KViewShell/MultiPage" ),
TQString("([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(TQString::null);
emit setStatusBarText(TQString::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(), TQStringList(), &error ));
if (multiPage.isNull()) {
TQString 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;
}
TQString 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());
TQString caption = i18n("Error Initializing Software Component");
if (reason.isEmpty())
KMessageBox::error(mainWidget, text, caption);
else
KMessageBox::detailedError(mainWidget, text, reason, caption);
emit setStatusBarText(TQString::null);
return false;
}
// Remember the name of the part. So only need to switch if really necessary.
multiPageLibrary = service->library();
connect(partManager, TQT_SIGNAL(activePartChanged(KParts::Part*)), this, TQT_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, TQT_SIGNAL(activePartChanged(KParts::Part*)), this, TQT_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 = TQString::null;
emit setWindowCaption(TQString::null);
}
checkActions();
emit zoomChanged(TQString("%1%").arg((int)(_zoomVal.value()*100.0+0.5)));
emit setStatusBarText(TQString::null);
return r;
}
void KViewPart::reload()
{
multiPage->reload();
}
void KViewPart::fileChanged(const TQString &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 = TQString::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
TQString 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(), TQT_SIGNAL(viewSizeChanged(const TQSize&)),
this, TQT_SLOT(slotStartFitTimer()));
connect(&fitTimer, TQT_SIGNAL(timeout()), TQT_SLOT(fitToPage()));
}
else
{
disconnect(multiPage->mainWidget(), TQT_SIGNAL(viewSizeChanged(const TQSize&)),
this, TQT_SLOT(slotStartFitTimer()));
disconnect(&fitTimer, TQT_SIGNAL(timeout()), this, TQT_SLOT(fitToPage()));
}
}
void KViewPart::enableFitToWidth(bool enable)
{
if (enable)
{
fitToWidth();
connect(multiPage->mainWidget(), TQT_SIGNAL(viewSizeChanged(const TQSize&)),
this, TQT_SLOT(slotStartFitTimer()));
connect(&fitTimer, TQT_SIGNAL(timeout()), TQT_SLOT(fitToWidth()));
}
else
{
disconnect(multiPage->mainWidget(), TQT_SIGNAL(viewSizeChanged(const TQSize&)),
this, TQT_SLOT(slotStartFitTimer()));
disconnect(&fitTimer, TQT_SIGNAL(timeout()), this, TQT_SLOT(fitToWidth()));
}
}
void KViewPart::enableFitToHeight(bool enable)
{
if (enable)
{
fitToHeight();
connect(multiPage->mainWidget(), TQT_SIGNAL(viewSizeChanged(const TQSize&)),
this, TQT_SLOT(slotStartFitTimer()));
connect(&fitTimer, TQT_SIGNAL(timeout()), TQT_SLOT(fitToHeight()));
}
else
{
disconnect(multiPage->mainWidget(), TQT_SIGNAL(viewSizeChanged(const TQSize&)),
this, TQT_SLOT(slotStartFitTimer()));
disconnect(&fitTimer, TQT_SIGNAL(timeout()), this, TQT_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 TQString &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 (TQString(sig).contains("pageChanged"))
pageChangeIsConnected = true;
}
void KViewPart::setStatusBarTextFromMultiPage( const TQString &msg )
{
if (msg.isEmpty())
{
if (pageChangeIsConnected)
emit setStatusBarText(TQString::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", TQString::null, TQString::null,
I18N_NOOP("Original Author"));
aboutDialog->addContributor("Matthias Hoelzer-Kluepfel", "mhk@caldera.de", TQString::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", TQString::null, TQString::null,
I18N_NOOP("KGhostView Author"));
aboutDialog->addContributor("Markku Hihnala", TQString::null, TQString::null,
I18N_NOOP("Navigation widgets"));
aboutDialog->addContributor("David Faure", TQString::null, TQString::null,
I18N_NOOP("Basis for shell"));
aboutDialog->addContributor("Daniel Duley", TQString::null, TQString::null,
I18N_NOOP("Port to KParts"));
aboutDialog->addContributor("Espen Sand", TQString::null, TQString::null,
I18N_NOOP("Dialog boxes"));
aboutDialog->addContributor("Stefan Kebekus", "kebekus@kde.org", TQString::null,
I18N_NOOP("DCOP-Interface, major improvements"));
aboutDialog->addContributor("Wilfried Huss", "Wilfried.Huss@gmx.at", TQString::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, TQT_SIGNAL(settingsChanged()), this, TQT_SLOT(preferencesChanged()));
configDialog->show();
}
void KViewPart::preferencesChanged()
{
multiPage->preferencesChanged();
}
void KViewPart::partActivateEvent( KParts::PartActivateEvent *ev )
{
TQApplication::sendEvent( multiPage, ev );
}
void KViewPart::guiActivateEvent( KParts::GUIActivateEvent *ev )
{
TQApplication::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"
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