From 00b4f54142276b0e2272ca56e48558551ab7b2b0 Mon Sep 17 00:00:00 2001
From: Timothy Pearson <kb9vqf@pearsoncomputing.net>
Date: Sat, 26 Jan 2013 13:17:19 -0600
Subject: Rename a number of libraries and executables to avoid conflicts with
KDE4
---
kviewshell/kmultipage.cpp | 1976 ---------------------------------------------
1 file changed, 1976 deletions(-)
delete mode 100644 kviewshell/kmultipage.cpp
(limited to 'kviewshell/kmultipage.cpp')
diff --git a/kviewshell/kmultipage.cpp b/kviewshell/kmultipage.cpp
deleted file mode 100644
index 4d544df9..00000000
--- a/kviewshell/kmultipage.cpp
+++ /dev/null
@@ -1,1976 +0,0 @@
-#include <config.h>
-
-#include <kaction.h>
-#include <kapplication.h>
-#include <kdebug.h>
-#include <kfiledialog.h>
-#include <kiconloader.h>
-#include <kio/job.h>
-#include <klocale.h>
-#include <kmessagebox.h>
-#include <kprinter.h>
-#include <kstdaction.h>
-#include <tqobject.h>
-#include <tqlayout.h>
-#include <tqpaintdevicemetrics.h>
-#include <tqprogressdialog.h>
-#include <tqsplitter.h>
-#include <tqurl.h>
-#include <tqtoolbox.h>
-#include <tqvbox.h>
-
-#include "documentWidget.h"
-#include "marklist.h"
-#include "tableOfContents.h"
-#include "kprintDialogPage_pageoptions.h"
-#include "kvsprefs.h"
-#include "kmultipage.h"
-#include "pageNumber.h"
-#include "renderedDocumentPagePrinter.h"
-#include "searchWidget.h"
-#include "textBox.h"
-#include "zoomlimits.h"
-
-
-//#define DEBUG_KMULTIPAGE
-
-KMultiPage::KMultiPage(TQWidget *parentWidget, const char *widgetName, TQObject *parent, const char *name)
- : DCOPObject("kmultipage"), KParts::ReadOnlyPart(parent, name)
-{
- // For reasons which I don't understand, the initialization of the
- // DCOPObject above does not work properly, the name is ignored. It
- // works fine if we repeat the name here. -- Stefan Kebekus
- // This is because of the virtual inheritance. Get rid of it (but it's BC, and this is a lib...) -- DF
- setObjId("kmultipage");
-
- parentWdg = parentWidget;
- lastCurrentPage = 0;
- timer_id = -1;
- searchInProgress = false;
-
- TQVBox* verticalBox = new TQVBox(parentWidget);
- verticalBox->setFocusPolicy(TQ_StrongFocus);
- setWidget(verticalBox);
-
- splitterWidget = new TQSplitter(verticalBox, widgetName);
- splitterWidget->setOpaqueResize(false);
- splitterWidget->setSizePolicy(TQSizePolicy::MinimumExpanding, TQSizePolicy::MinimumExpanding);
-
- // Create SideBar
- sideBar = new TQToolBox(splitterWidget, "sidebar");
-
- // Create ContentsList
- tableOfContents = new TableOfContents(sideBar);
- sideBar->addItem(tableOfContents, TQIconSet(SmallIcon("contents")), i18n("Contents"));
-
- connect(tableOfContents, TQT_SIGNAL(gotoPage(const Anchor&)), this, TQT_SLOT(gotoPage(const Anchor&)));
-
- // Create MarkList
- _markList = new MarkList(sideBar, "marklist");
- sideBar->addItem(_markList, TQIconSet(SmallIcon("thumbnail")), i18n("Thumbnails"));
-
- // Restore state of the sidebar
- sideBar->setCurrentItem(sideBar->item(KVSPrefs::sideBarItem()));
-
- splitterWidget->setResizeMode(sideBar, TQSplitter::KeepSize);
-
- connect(_markList, TQT_SIGNAL(selected(const PageNumber&)), this, TQT_SLOT(gotoPage(const PageNumber&)));
-
- _scrollView = new PageView(splitterWidget, widgetName);
-
- // Create Search Panel
- searchWidget = new SearchWidget(verticalBox);
- searchWidget->hide();
- connect(searchWidget, TQT_SIGNAL(findNextText()), this, TQT_SLOT(findNextText()));
- connect(searchWidget, TQT_SIGNAL(findPrevText()), this, TQT_SLOT(findPrevText()));
-
- sideBar->setMinimumWidth(80);
- sideBar->setMaximumWidth(300);
-
- connect(_scrollView, TQT_SIGNAL(currentPageChanged(const PageNumber&)), this, TQT_SLOT(setCurrentPageNumber(const PageNumber&)));
- connect(_scrollView, TQT_SIGNAL(viewSizeChanged(const TQSize&)), scrollView(), TQT_SLOT(calculateCurrentPageNumber()));
- connect(_scrollView, TQT_SIGNAL(wheelEventReceived(TQWheelEvent *)), this, TQT_SLOT(wheelEvent(TQWheelEvent*)));
-
- connect(this, TQT_SIGNAL(enableMoveTool(bool)), _scrollView, TQT_SLOT(slotEnableMoveTool(bool)));
-
- splitterWidget->setCollapsible(sideBar, false);
- splitterWidget->setSizes(KVSPrefs::guiLayout());
-
- connect(searchWidget, TQT_SIGNAL(searchEnabled(bool)), this, TQT_SIGNAL(searchEnabled(bool)));
- connect(searchWidget, TQT_SIGNAL(stopSearch()), this, TQT_SLOT(stopSearch()));
-}
-
-
-KMultiPage::~KMultiPage()
-{
- writeSettings();
-
- if (timer_id != -1)
- killTimer(timer_id);
-
- delete pageCache;
-}
-
-void KMultiPage::readSettings()
-{
-}
-
-void KMultiPage::writeSettings()
-{
- // Save TOC layout
- tableOfContents->writeSettings();
-
- KVSPrefs::setGuiLayout(splitterWidget->sizes());
- // Save state of the sidebar
- KVSPrefs::setSideBarItem(sideBar->indexOf(sideBar->currentItem()));
- KVSPrefs::writeConfig();
-}
-
-TQString KMultiPage::name_of_current_file()
-{
- return m_file;
-}
-
-bool KMultiPage::is_file_loaded(const TQString& filename)
-{
- return (filename == m_file);
-}
-
-void KMultiPage::slotSave_defaultFilename()
-{
- slotSave();
-}
-
-void KMultiPage::slotSave()
-{
- // Try to guess the proper ending...
- TQString formats;
- TQString ending;
- int rindex = m_file.findRev(".");
- if (rindex == -1) {
- ending = TQString();
- formats = TQString();
- } else {
- ending = m_file.mid(rindex); // e.g. ".dvi"
- formats = fileFormats().grep(ending).join("\n");
- }
-
- TQString fileName = KFileDialog::getSaveFileName(TQString(), formats, 0, i18n("Save File As"));
-
- if (fileName.isEmpty())
- return;
-
- // Add the ending to the filename. I hope the user likes it that
- // way.
- if (!ending.isEmpty() && fileName.find(ending) == -1)
- fileName = fileName+ending;
-
- if (TQFile(fileName).exists()) {
- int r = KMessageBox::warningContinueCancel (0, i18n("The file %1\nexists. Shall I overwrite that file?").arg(fileName),
- i18n("Overwrite File"), i18n("Overwrite"));
- if (r == KMessageBox::Cancel)
- return;
- }
-
- TDEIO::Job *job = TDEIO::file_copy( KURL( m_file ), KURL( fileName ), 0600, true, false, true );
- connect( job, TQT_SIGNAL( result( TDEIO::Job * ) ), this, TQT_SLOT( slotIOJobFinished ( TDEIO::Job * ) ) );
-
- return;
-}
-
-
-void KMultiPage::setFile(bool)
-{
- return;
-}
-
-
-bool KMultiPage::closeURL()
-{
-#ifdef DEBUG_KMULTIPAGE
- kdDebug(1233) << "KMultiPage::closeURL()" << endl;
-#endif
-
- if (renderer.isNull())
- return false;
-
- // Clear navigation history.
- document_history.clear();
-
- // Close the file.
- renderer->setFile(TQString(), KURL());
- renderer->clear();
-
- // Delete Page Widgets.
- widgetList.setAutoDelete(true);
- widgetList.resize(0);
- widgetList.setAutoDelete(false);
-
- // Update ScrollView.
- scrollView()->layoutPages();
- enableActions(false);
-
- // Clear Thumbnail List.
- markList()->clear();
-
- // Clear Table of Contents
- tableOfContents->clear();
-
- // Clear Status Bar
- emit setStatusBarText(TQString());
-
- return true;
-}
-
-void KMultiPage::slotIOJobFinished ( TDEIO::Job *job )
-{
- if ( job->error() )
- job->showErrorDialog( 0L );
-}
-
-void KMultiPage::slotShowScrollbars(bool status)
-{
- _scrollView->slotShowScrollbars(status);
-}
-
-void KMultiPage::slotShowSidebar(bool show)
-{
- if (show)
- sideBar->show();
- else
- sideBar->hide();
-}
-
-void KMultiPage::slotShowThumbnails(bool show)
-{
- markList()->slotShowThumbnails(show);
-}
-
-void KMultiPage::slotSetFullPage(bool fullpage)
-{
- _scrollView->setFullScreenMode(fullpage);
- if (fullpage)
- slotShowSidebar(false);
-}
-
-void KMultiPage::preferencesChanged()
-{
- // We need to read the config options otherwise the KVSPrefs-object would
- // not be syncronized between the kviewpart and the kmultipage.
- KVSPrefs::self()->readConfig();
-
- slotShowThumbnails(KVSPrefs::showThumbnails());
-
- // if we are in overviewmode and the number of columns or rows has changed
- if (scrollView()->overviewMode() &&
- (scrollView()->getNrColumns() != KVSPrefs::overviewModeColumns() ||
- scrollView()->getNrRows() != KVSPrefs::overviewModeRows()))
- {
- setViewMode(KVSPrefs::EnumViewMode::Overview);
- }
-
- if (KVSPrefs::changeColors() && KVSPrefs::renderMode() == KVSPrefs::EnumRenderMode::Paper)
- renderer->setAccessibleBackground(true, KVSPrefs::paperColor());
- else
- renderer->setAccessibleBackground(false);
-
- renderModeChanged();
-}
-
-void KMultiPage::setViewMode(int mode)
-{
-#ifdef DEBUG_KMULTIPAGE
- kdDebug(1233) << "KMultiPage::setViewMode(" << mode << ")" << endl;
-#endif
- // Save the current page number because when we are changing the columns
- // and rows in the scrollview the currently shown Page probably out of view.
- PageNumber currentPage = currentPageNumber();
-
- // Save viewMode for future uses of KViewShell
- switch (mode)
- {
- case KVSPrefs::EnumViewMode::SinglePage:
- KVSPrefs::setViewMode(KVSPrefs::EnumViewMode::SinglePage);
-
- // Don't do anything if the view mode is already set
- if ((scrollView()->getNrColumns() == 1) && (scrollView()->getNrRows() == 1) && (scrollView()->isContinuous() == false))
- return;
-
- scrollView()->setNrColumns(1);
- scrollView()->setNrRows(1);
- scrollView()->setContinuousViewMode(false);
- // We scroll the view to the top, so that top and not the bottom
- // of the visible page is shown.
- scrollView()->scrollTop();
- break;
- case KVSPrefs::EnumViewMode::ContinuousFacing:
- KVSPrefs::setViewMode(KVSPrefs::EnumViewMode::ContinuousFacing);
-
- // Don't do anything if the view mode is already set
- if ((scrollView()->getNrColumns() == 2) && (scrollView()->getNrRows() == 1) && (scrollView()->isContinuous() == true))
- return;
-
- scrollView()->setNrColumns(2);
- scrollView()->setNrRows(1);
- scrollView()->setContinuousViewMode(true);
- break;
- case KVSPrefs::EnumViewMode::Overview:
- KVSPrefs::setViewMode(KVSPrefs::EnumViewMode::Overview);
-
- // Don't do anything if the view mode is already set
- if ((scrollView()->getNrColumns() == KVSPrefs::overviewModeColumns()) && (scrollView()->getNrRows() == KVSPrefs::overviewModeRows()) && (scrollView()->isContinuous() == false))
- return;
-
- scrollView()->setNrColumns(KVSPrefs::overviewModeColumns());
- scrollView()->setNrRows(KVSPrefs::overviewModeRows());
- scrollView()->setContinuousViewMode(false);
- // We scroll the view to the top, so that top and not the bottom
- // of the visible tableau is shown.
- scrollView()->scrollTop();
- break;
- default: //KVSPrefs::EnumViewMode::Continuous
- KVSPrefs::setViewMode(KVSPrefs::EnumViewMode::Continuous);
-
- // Don't do anything if the view mode is already set
- if ((scrollView()->getNrColumns() == 1) && (scrollView()->getNrRows() == 1) && (scrollView()->isContinuous() == true))
- return;
-
- scrollView()->setNrColumns(1);
- scrollView()->setNrRows(1);
- scrollView()->setContinuousViewMode(true);
- }
- generateDocumentWidgets(currentPage);
- KVSPrefs::writeConfig();
- emit viewModeChanged();
-}
-
-void KMultiPage::initializePageCache()
-{
- pageCache = new DocumentPageCache();
-}
-
-DocumentWidget* KMultiPage::createDocumentWidget()
-{
- DocumentWidget* documentWidget = new DocumentWidget(scrollView()->viewport(), scrollView(), pageCache, "singlePageWidget");
- connect(documentWidget, TQT_SIGNAL(clearSelection()), this, TQT_SLOT(clearSelection()));
- connect(this, TQT_SIGNAL(enableMoveTool(bool)), documentWidget, TQT_SLOT(slotEnableMoveTool(bool)));
- return documentWidget;
-}
-
-
-void KMultiPage::generateDocumentWidgets(const PageNumber& _startPage)
-{
- PageNumber startPage = _startPage;
-#ifdef DEBUG_KMULTIPAGE
- kdDebug(1233) << "KMultiPage::generateDocumentWidgets(" << startPage << ")" << endl;
-#endif
-
- // Do nothing if no document is loaded.
- if (getRenderer().isNull() || getRenderer()->isEmpty())
- return;
-
- // This function is only called with an invalid pagenumber, when
- // the file has been loaded or reloaded.
- bool reload = !startPage.isValid();
-
- if (reload)
- {
- // Find the number of the current page, for later use.
- startPage = currentPageNumber();
- }
-
- // Make sure that startPage is in the permissible range.
- if (startPage < 1)
- startPage = 1;
- if (startPage > numberOfPages())
- startPage = numberOfPages();
-
- unsigned int tableauStartPage = startPage;
-
- // Find out how many widgets are needed, and resize the widgetList accordingly.
- widgetList.setAutoDelete(true);
- TQ_UINT16 oldwidgetListSize = widgetList.size();
- if (numberOfPages() == 0)
- widgetList.resize(0);
- else
- {
- switch (KVSPrefs::viewMode())
- {
- case KVSPrefs::EnumViewMode::SinglePage:
- widgetList.resize(1);
- break;
- case KVSPrefs::EnumViewMode::Overview:
- {
- // Calculate the number of pages shown in overview mode.
- unsigned int visiblePages = KVSPrefs::overviewModeColumns() * KVSPrefs::overviewModeRows();
- // Calculate the number of the first page in the tableau.
- tableauStartPage = startPage - ((startPage - 1) % visiblePages);
- // We cannot have more widgets then pages in the document.
- visiblePages = TQMIN(visiblePages, numberOfPages() - tableauStartPage + 1);
- if (widgetList.size() != visiblePages)
- widgetList.resize(visiblePages);
- break;
- }
- default:
- // In KVS_Continuous and KVS_ContinuousFacing all pages in the document are shown.
- widgetList.resize(numberOfPages());
- }
- }
- bool isWidgetListResized = (widgetList.size() != oldwidgetListSize);
- widgetList.setAutoDelete(false);
-
- // If the widgetList is empty, there is nothing left to do.
- if (widgetList.size() == 0) {
- scrollView()->addChild(&widgetList);
- return;
- }
-
- // Allocate DocumentWidget structures so that all entries of
- // widgetList point to a valid DocumentWidget.
- DocumentWidget *documentWidget;
- for(TQ_UINT16 i=0; i<widgetList.size(); i++) {
- documentWidget = widgetList[i];
- if (documentWidget == 0) {
- documentWidget = createDocumentWidget();
-
- widgetList.insert(i, documentWidget);
- documentWidget->show();
-
- connect(documentWidget, TQT_SIGNAL(localLink(const TQString &)), this, TQT_SLOT(handleLocalLink(const TQString &)));
- connect(documentWidget, TQT_SIGNAL(setStatusBarText(const TQString&)), this, TQT_SIGNAL(setStatusBarText(const TQString&)) );
- }
- }
-
- // Set the page numbers for the newly allocated widgets. How this is
- // done depends on the viewMode.
- if (KVSPrefs::viewMode() == KVSPrefs::EnumViewMode::SinglePage) {
- // In KVS_SinglePage mode, any number between 1 and the maximum
- // number of pages is acceptable. If an acceptable value is found,
- // nothing is done, and otherwise '1' is set as a default.
- documentWidget = widgetList[0];
- if (documentWidget != 0) { // Paranoia safety check
- documentWidget->setPageNumber(startPage);
- documentWidget->update();
- } else
- kdError(4300) << "Zero-Pointer in widgetList in KMultiPage::generateDocumentWidgets()" << endl;
- } else {
- // In all other modes, the widgets will be numbered continuously,
- // starting from firstShownPage.
- for(TQ_UINT16 i=0; i<widgetList.size(); i++) {
- documentWidget = widgetList[i];
- if (documentWidget != 0) // Paranoia safety check
- {
- if (KVSPrefs::viewMode() == KVSPrefs::EnumViewMode::Overview)
- documentWidget->setPageNumber(i+tableauStartPage);
- else
- documentWidget->setPageNumber(i+1);
- }
- else
- kdError(4300) << "Zero-Pointer in widgetList in KMultiPage::generateDocumentWidgets()" << endl;
- }
- }
-
- // Make the changes in the widgetList known to the scrollview. so
- // that the scrollview may update its contents.
- scrollView()->addChild(&widgetList);
-
- // If the number of widgets has changed, or the viewmode has been changed the widget
- // that displays the current page may not be visible anymore. Bring it back into focus.
- if (isWidgetListResized || !reload)
- gotoPage(startPage);
-}
-
-
-bool KMultiPage::gotoPage(const PageNumber& page)
-{
- return gotoPage(page, 0, true);
-}
-
-
-bool KMultiPage::gotoPage(const PageNumber& page, int y, bool isLink)
-{
-#ifdef DEBUG_KMULTIPAGE
- kdDebug(1233) << "KMultiPage::gotoPage()" << endl;
-#endif
-
- if (widgetList.size() == 0) {
- kdError(4300) << "KMultiPage::gotoPage(" << page << ", y) called, but widgetList is empty" << endl;
- return false;
- }
-
- if (!page.isValid())
- {
- kdDebug(1223) << "KMultiPage::gotoPage(" << page << ") invalid pageNumber." << endl;
- return false;
- }
-
- if (isLink)
- document_history.add(page, y);
-
- DocumentWidget* pageWidget;
-
- // If we are in overview viewmode
- if (KVSPrefs::viewMode() == KVSPrefs::EnumViewMode::Overview)
- {
- unsigned int visiblePages = KVSPrefs::overviewModeColumns() * KVSPrefs::overviewModeRows();
- // Pagenumber of the first visibile Page in the current tableau
- unsigned int firstPage = ((DocumentWidget*)widgetList[0])->getPageNumber();
- // Pagenumber of the first page in the new tableau.
- unsigned int tableauStartPage = page + 1 - (page % visiblePages);
- // If these numbers arn't equal "page" is not in the current tableu.
- if (firstPage != tableauStartPage) // widgets need to be updated
- {
- if ((numberOfPages() - tableauStartPage + 1 < visiblePages) || (widgetList.size() < visiblePages))
- {
- // resize widgetList
- // the pages are also set correctly by "generateDocumentWidgets"
- generateDocumentWidgets(tableauStartPage);
- }
- else
- {
- // "page" is not shown in the scrollview, so we have to switch widgets.
- // Here we don't need to resize the widgetList.
- for (unsigned int i = 0; i < widgetList.size(); i++)
- {
- pageWidget = (DocumentWidget*)(widgetList[i]);
- if (pageWidget != 0)
- pageWidget->setPageNumber(tableauStartPage + i);
- }
- scrollView()->layoutPages();
- }
- }
- // move scrollview to "page".
- // Make the widget pageWidget visible in the scrollview. Somehow this
- // doesn't seem to trigger the signal contentsMoved in the
- // TQScrollview, so that we better call setCurrentPage() ourselves.
- pageWidget = (DocumentWidget*)(widgetList[page % visiblePages]);
-
- scrollView()->moveViewportToWidget(pageWidget, y);
-
- // Set current page number.
- setCurrentPageNumber(page);
-
- return true;
- }
- else if (widgetList.size() == 1)
- {
- // If the widget list contains only a single element, then either
- // the document contains only one page, or we are in "single page"
- // view mode. In either case, we set the page number of the single
- // widget to 'page'
- pageWidget = (DocumentWidget*)(widgetList[0]);
-
- // Paranoia security check
- if (pageWidget == 0) {
- kdError(4300) << "KMultiPage::goto_Page() called with widgetList.size() == 1, but widgetList[0] == 0" << endl;
- return false;
- }
-
- if (pageCache->sizeOfPageInPixel(currentPageNumber()) == pageCache->sizeOfPageInPixel(page))
- {
- // We are rendering the page before we switch the widget to the new page.
- // To make a smooth transition. We only do this if the size of the current and new page are equal,
- // otherwise we would have to render the page twice, if autozoom is enabled.
- pageCache->getPage(page);
- }
-
- pageWidget->setPageNumber(page);
- scrollView()->layoutPages();
- scrollView()->moveViewportToWidget(pageWidget, y);
- } else {
- // There are multiple widgets, then we are either in the
- // "Continuous" or in the "Continouous-Facing" view mode. In that
- // case, we find the widget which is supposed to display page
- // 'page' and move the scrollview to make it visible
-
- // Paranoia security checks
- if (widgetList.size() < page) {
- kdError(4300) << "KMultiPage::goto_Page(page,y ) called with widgetList.size()=" << widgetList.size() << ", and page=" << page << endl;
- return false;
- }
- pageWidget = (DocumentWidget*)(widgetList[page-1]);
- if (pageWidget == 0) {
- kdError(4300) << "KMultiPage::goto_Page() called with widgetList.size() > 1, but widgetList[page] == 0" << endl;
- return false;
- }
-
- scrollView()->moveViewportToWidget(pageWidget, y);
- }
-
- if (isLink && y != 0)
- pageWidget->flash(y);
-
- // Set current page number.
- setCurrentPageNumber(page);
- return true;
-}
-
-
-void KMultiPage::handleLocalLink(const TQString &linkText)
-{
-#ifdef DEBUG_SPECIAL
- kdDebug(4300) << "hit: local link to " << linkText << endl;
-#endif
-
- if (renderer.isNull()) {
- kdError(4300) << "KMultiPage::handleLocalLink( " << linkText << " ) called, but renderer==0" << endl;
- return;
- }
-
- TQString locallink;
- if (linkText[0] == '#' )
- locallink = linkText.mid(1); // Drop the '#' at the beginning
- else
- locallink = linkText;
-
- Anchor anch = renderer->findAnchor(locallink);
-
- if (anch.isValid())
- gotoPage(anch);
- else {
- if (linkText[0] != '#' ) {
- // We could in principle use TDEIO::Netaccess::run() here, but
- // it is perhaps not a very good idea to allow a DVI-file to
- // specify arbitrary commands, such as "rm -rvf /". Using
- // the kfmclient seems to be MUCH safer.
- TQUrl DVI_Url(m_file);
- TQUrl Link_Url(DVI_Url, linkText, true);
-
- TQStringList args;
- args << "openURL";
- args << Link_Url.toString();
- kapp->tdeinitExec("kfmclient", args);
- }
- }
-}
-
-void KMultiPage::setCurrentPageNumber(const PageNumber& page)
-{
-#ifdef DEBUG_KMULTIPAGE
- kdDebug(1233) << "KMultiPage::setCurrentPageNumber()" << endl;
-#endif
-
- if (page != currentPageNumber())
- {
- markList()->setCurrentPageNumber(page);
- emit pageInfo(numberOfPages(), currentPageNumber());
- }
-}
-
-PageNumber KMultiPage::currentPageNumber()
-{
- return markList()->currentPageNumber();
-}
-
-void KMultiPage::doGoBack()
-{
- HistoryItem *it = document_history.back();
- if (it != 0)
- gotoPage(it->page, it->ypos, false); // Do not add a history item.
- else
- kdDebug(4300) << "Faulty return -- bad history buffer" << endl;
- return;
-}
-
-
-void KMultiPage::doGoForward()
-{
- HistoryItem *it = document_history.forward();
- if (it != 0)
- gotoPage(it->page, it->ypos, false); // Do not add a history item.
- else
- kdDebug(4300) << "Faulty return -- bad history buffer" << endl;
- return;
-}
-
-
-void KMultiPage::renderModeChanged()
-{
- pageCache->clear();
-
- generateDocumentWidgets();
- scrollView()->layoutPages();
-
- for (TQ_UINT16 i=0; i < widgetList.size(); i++)
- {
- DocumentWidget* documentWidget = widgetList[i];
- if (documentWidget == 0)
- continue;
-
- documentWidget->update();
- }
-
- markList()->repaintThumbnails();
-}
-
-
-void KMultiPage::repaintAllVisibleWidgets()
-{
-#ifdef DEBUG_KMULTIPAGE
- kdDebug(1233) << "KMultiPage::repaintAllVisibleWidgets()" << endl;
-#endif
-
- bool everResized = false;
-
- // Go through the list of widgets and resize them, if necessary
- for(TQ_UINT16 i=0; i<widgetList.size(); i++)
- {
- DocumentWidget* documentWidget = widgetList[i];
- if (documentWidget == 0)
- continue;
-
- // Resize, if necessary
- TQSize pageSize = pageCache->sizeOfPageInPixel(documentWidget->getPageNumber());
- if (pageSize != documentWidget->pageSize())
- {
- documentWidget->setPageSize(pageSize);
- everResized = true;
- }
- }
-
- // If at least one widget was resized, all widgets should be
- // re-aligned. This will automatically update all necessary
- // widgets.
- if (everResized == true)
- scrollView()->layoutPages(true);
-}
-
-
-double KMultiPage::setZoom(double zoom)
-{
-#ifdef DEBUG_KMULTIPAGE
- kdDebug(1233) << "KMultiPage::setZoom(" << zoom << ")" << endl;
-#endif
-
- if (zoom < ZoomLimits::MinZoom/1000.0)
- zoom = ZoomLimits::MinZoom/1000.0;
- if (zoom > ZoomLimits::MaxZoom/1000.0)
- zoom = ZoomLimits::MaxZoom/1000.0;
-
- pageCache->setResolution(TQPaintDevice::x11AppDpiX()*zoom);
- emit zoomChanged();
- return zoom;
-}
-
-
-void KMultiPage::print()
-{
- // Paranoid safety checks
- if (renderer.isNull())
- return;
- if (renderer->isEmpty())
- return;
-
- // Allocate the printer structure
- KPrinter *printer = getPrinter();
- if (printer == 0)
- return;
-
- // initialize the printer using the print dialog
- if ( printer->setup(parentWdg, i18n("Print %1").arg(m_file.section('/', -1))) ) {
- // Now do the printing.
- TQValueList<int> pageList = printer->pageList();
- if (pageList.isEmpty())
- printer->abort();
- else {
- printer->setCreator("kviewshell");
- printer->setDocName(m_file);
- RenderedDocumentPagePrinter rdpp(printer);
-
- // Obtain papersize information that is required to perform
- // the resizing and centering, if this is wanted by the user.
- Length paperWidth, paperHeight;
- TQPaintDeviceMetrics pdm(printer);
- paperWidth.setLength_in_mm(pdm.widthMM());
- paperHeight.setLength_in_mm(pdm.heightMM());
-
- TQValueList<int>::ConstIterator it = pageList.begin();
- while (true) {
- SimplePageSize paper_s(paperWidth, paperHeight);
-
- // Printing usually takes a while. This is to keep the GUI
- // updated.
- tqApp->processEvents();
-
- TQPainter *paint = rdpp.getPainter();
- if (paint != 0) {
- // Before drawing the page, we figure out the zoom-value,
- // taking the "page sizes and placement" options from the
- // printer dialog into account
- double factual_zoom = 1.0;
-
- // Obtain pagesize information that is required to perform the
- // resizing and centering, if this is wanted by the user.
- SimplePageSize page_s = sizeOfPage(*it);
-
- paint->save();
-
- // Rotate the page, if appropriate. By default, page
- // rotation is enabled. This is also hardcoded into
- // KPrintDialogPage_PageOptions.cpp
- if ((page_s.isPortrait() != paper_s.isPortrait()) && (printer->option( "kde-kviewshell-rotatepage" ) != "false")) {
- paint->rotate(-90);
- paint->translate(-printer->resolution()*paperHeight.getLength_in_inch(), 0.0);
- paper_s = paper_s.rotate90();
- }
-
- double suggested_zoom = page_s.zoomToFitInto(paper_s);
-
- // By default, "shrink page" and "expand page" are off. This
- // is also hardcoded into KPrintDialogPage_PageOptions.cpp
- if ((suggested_zoom < 1.0) && (printer->option( "kde-kviewshell-shrinkpage" ) == "true"))
- factual_zoom = suggested_zoom;
- if ((suggested_zoom > 1.0) && (printer->option( "kde-kviewshell-expandpage" ) == "true"))
- factual_zoom = suggested_zoom;
-
- Length delX, delY;
- // By default, "center page" is on. This is also hardcoded
- // into KPrintDialogPage_PageOptions.cpp
- if (printer->option( "kde-kviewshell-centerpage" ) != "false") {
- delX = (paper_s.width() - page_s.width()*factual_zoom)/2.0;
- delY = (paper_s.height() - page_s.height()*factual_zoom)/2.0;
- }
-
- // Now draw the page.
- rdpp.setPageNumber(*it);
-
- double resolution = factual_zoom*printer->resolution();
-
- paint->translate(resolution*delX.getLength_in_inch(), resolution*delY.getLength_in_inch());
- renderer->drawPage(resolution, &rdpp);
- paint->restore();
- }
- ++it;
- if ((it == pageList.end()) || (printer->aborted() == true))
- break;
-
- printer->newPage();
- }
- // At this point the rdpp is destructed. The last page is then
- // printed.
- }
- }
- delete printer;
-}
-
-
-void KMultiPage::setRenderer(DocumentRenderer* _renderer)
-{
- renderer = _renderer;
-
- // Initialize documentPageCache.
- initializePageCache();
- pageCache->setRenderer(renderer);
-
- _markList->setPageCache(pageCache);
-
- // Clear widget list.
- widgetList.resize(0);
-
- // Relay signals.
- connect(renderer, TQT_SIGNAL(setStatusBarText(const TQString&)), this, TQT_SIGNAL(setStatusBarText(const TQString&)));
- connect(pageCache, TQT_SIGNAL(paperSizeChanged()), this, TQT_SLOT(renderModeChanged()));
- connect(pageCache, TQT_SIGNAL(textSelected(bool)), this, TQT_SIGNAL(textSelected(bool)));
- connect(renderer, TQT_SIGNAL(documentIsChanged()), this, TQT_SLOT(renderModeChanged()));
- connect(this, TQT_SIGNAL(zoomChanged()), this, TQT_SLOT(repaintAllVisibleWidgets()));
-}
-
-
-void KMultiPage::updateWidgetSize(const PageNumber& pageNumber)
-{
- for(TQ_UINT16 i=0; i<widgetList.size(); i++)
- {
- DocumentWidget* documentWidget = widgetList[i];
- if (documentWidget == 0)
- continue;
-
- if (documentWidget->getPageNumber() == pageNumber)
- {
- // Resize, if necessary
- TQSize pageSize = pageCache->sizeOfPageInPixel(documentWidget->getPageNumber());
- if (pageSize != documentWidget->pageSize())
- {
- documentWidget->setPageSize(pageSize);
- scrollView()->layoutPages();
- }
- // We have just one widget per page.
- break;
- }
- }
-
- // Update marklist
- markList()->updateWidgetSize(pageNumber);
-}
-
-
-PageNumber KMultiPage::widestPage() const
-{
- Length maxWidth;
- PageNumber pageNumber = 1;
-
- for (int i = 1; i <= numberOfPages(); i++)
- {
- Length width = pageCache->sizeOfPage(i).width();
-
- if (width > maxWidth)
- {
- maxWidth = width;
- pageNumber = i;
- }
- }
-
- return pageNumber;
-}
-
-double KMultiPage::zoomForWidthColumns(unsigned int viewportWidth) const
-{
- Length maxLeftColumnWidth;
- Length maxRightColumnWidth;
- Length maxWidth;
-
- PageNumber widestPageLeft;
- PageNumber widestPageRight;
-
- for (int i = 1; i <= numberOfPages(); i++)
- {
- Length width = pageCache->sizeOfPage(i).width();
-
- if ( i % 2 == 0) // page is in left column
- {
- if (width > maxLeftColumnWidth)
- {
- maxLeftColumnWidth = width;
- widestPageLeft = i;
- }
- }
-
- if ( i % 2 == 1) // page is in right column
- {
- if (width > maxRightColumnWidth)
- maxRightColumnWidth = width;
- widestPageRight = i;
- }
- }
-
- double ratio = maxLeftColumnWidth / (maxLeftColumnWidth + maxRightColumnWidth);
-
- // This number is the amount of space the left column should occupy in the viewport.
- unsigned int leftTargetWidth = (unsigned int)(ratio * viewportWidth);
-
- return pageCache->sizeOfPage(widestPageLeft).zoomForWidth(leftTargetWidth);
-}
-
-double KMultiPage::calculateFitToHeightZoomValue()
-{
- PageNumber pageNumber = 1;
-
- // See below, in the documentation of the method "calculatefitToWidthZoomLevel"
- // for an explanation of the complicated calculation we are doing here.
- int columns = scrollView()->getNrColumns();
- int rows = scrollView()->getNrRows();
- int continuousViewmode = scrollView()->isContinuous();
- bool fullScreenMode = scrollView()->fullScreenMode();
-
- if (columns == 1 && rows == 1 && !continuousViewmode) // single page mode
- {
- pageNumber = currentPageNumber();
- if (!pageNumber.isValid())
- pageNumber = 1;
- }
-
- int pageDistance = scrollView()->distanceBetweenPages();
- if (columns == 1 && rows == 1 && !continuousViewmode && fullScreenMode)
- {
- // In Single Page Fullscreen Mode we want to fit the page to the
- // window without a margin around it.
- pageDistance = 0;
- }
-
- int targetViewportHeight = scrollView()->viewportSize(0,0).height();
- int targetPageHeight = (targetViewportHeight - rows*pageDistance)/rows;
- int targetPageWidth = (int)(targetPageHeight * pageCache->sizeOfPage(pageNumber).aspectRatio() );
- int targetViewportWidth = targetPageWidth * columns + (columns+1)*pageDistance;
- targetViewportHeight = scrollView()->viewportSize(targetViewportWidth, targetViewportHeight).height();
- targetPageHeight = (targetViewportHeight - rows*pageDistance)/rows;
-
- return pageCache->sizeOfPage(pageNumber).zoomForHeight(targetPageHeight);
-}
-
-
-double KMultiPage::calculateFitToWidthZoomValue()
-{
- PageNumber pageNumber = 1;
-
- int columns = scrollView()->getNrColumns();
- int rows = scrollView()->getNrRows();
- int continuousViewmode = scrollView()->isContinuous();
- bool fullScreenMode = scrollView()->fullScreenMode();
-
- if (columns == 1 && rows == 1 && !continuousViewmode) // single page mode
- {
- // To calculate the zoom level in single page mode we need the size
- // of the current page. When a new document is opened this function
- // is called while the currentPageNumber is invalid. We use the size
- // of the first page of the document in this case.
- pageNumber = currentPageNumber();
- if (!pageNumber.isValid())
- pageNumber = 1;
- }
-
- if (columns == 1 && rows == 1 && continuousViewmode) // continuous viewmode
- {
- pageNumber = widestPage();
- if (!pageNumber.isValid())
- pageNumber = 1;
- }
-
- // rows should be 1 for Single Page Viewmode,
- // the number of Pages in Continuous Viewmode
- // and number of Pages/2 in Continuous-Facing Viewmode
- if (continuousViewmode)
- rows = (int)(ceil(numberOfPages() / (double)columns));
-
- int pageDistance = scrollView()->distanceBetweenPages();
- if (columns == 1 && rows == 1 && !continuousViewmode && fullScreenMode)
- {
- // In Single Page Fullscreen Mode we want to fit the page to the
- // window without a margin around it.
- pageDistance = 0;
- }
- // There is a slight complication here... if we just take the width
- // of the viewport and scale the contents by a factor x so that it
- // fits the viewport exactly, then, depending on chosen papersize
- // (landscape, etc.), the contents may be higher than the viewport
- // and the TQScrollview may or may not insert a scrollbar at the
- // right. If the scrollbar appears, then the usable width of the
- // viewport becomes smaller, and scaling by x does not really fit
- // the (now smaller page) anymore.
-
- // Calculate the width and height of the view, disregarding the
- // possible complications with scrollbars, e.g. assuming the maximal
- // space is available.
-
- // width of the widget excluding possible scrollbars
- int targetViewportWidth = scrollView()->viewportSize(0,0).width();
-
- // maximal width of a single page
- int targetPageWidth = (targetViewportWidth - (columns+1) * pageDistance) / columns;
-
- // maximal height of a single page
- int targetPageHeight = (int)(targetPageWidth/pageCache->sizeOfPage(pageNumber).aspectRatio());
- // FIXME: this is only correct if all pages in the document have the same height
- int targetViewportHeight = rows * targetPageHeight + (rows+1) * pageDistance;
-
- // Think again, this time use only the area which is really
- // acessible (which, in case that targetWidth targetHeight don't fit
- // the viewport, is really smaller because of the scrollbars).
- targetViewportWidth = scrollView()->viewportSize(targetViewportWidth, targetViewportHeight).width();
-
- if (columns == 2 && continuousViewmode) // continuous facing
- {
- // TODO Generalize this for more than 2 columns
- return zoomForWidthColumns(targetViewportWidth - (columns+1) * pageDistance);
- }
-
- // maximal width of a single page (now the scrollbars are taken into account)
- targetPageWidth = (targetViewportWidth - (columns+1) * pageDistance) / columns;
-
- return pageCache->sizeOfPage(pageNumber).zoomForWidth(targetPageWidth);
-}
-
-
-void KMultiPage::prevPage()
-{
- TQ_UINT8 cols = scrollView()->getNrColumns();
- TQ_UINT8 rows = scrollView()->getNrRows();
-
- PageNumber np = 1;
- if (cols*rows < currentPageNumber())
- {
- np = currentPageNumber() - cols*rows;
- }
-
- gotoPage(np);
-}
-
-
-void KMultiPage::nextPage()
-{
- TQ_UINT8 cols = scrollView()->getNrColumns();
- TQ_UINT8 rows = scrollView()->getNrRows();
-
- PageNumber np = TQMIN(currentPageNumber() + cols*rows, (TQ_UINT16)numberOfPages());
-
- gotoPage(np);
-}
-
-
-void KMultiPage::firstPage()
-{
- gotoPage(1);
-}
-
-
-void KMultiPage::lastPage()
-{
- gotoPage(numberOfPages());
-}
-
-
-void KMultiPage::scroll(TQ_INT32 deltaInPixel)
-{
- TQScrollBar* scrollBar = scrollView()->verticalScrollBar();
- if (scrollBar == 0) {
- kdError(4300) << "KMultiPage::scroll called without scrollBar" << endl;
- return;
- }
-
- if (deltaInPixel < 0) {
- if (scrollBar->value() == scrollBar->minValue()) {
- if ( (currentPageNumber() == 1) || (changePageDelayTimer.isActive()) )
- return;
-
- if (scrollView()->isContinuous())
- return;
-
- changePageDelayTimer.stop();
- prevPage();
-
- scrollView()->setContentsPos(scrollView()->contentsX(), scrollBar->maxValue());
- return;
- }
- }
-
- if (deltaInPixel > 0) {
- if (scrollBar->value() == scrollBar->maxValue()) {
- if ( (currentPageNumber() == numberOfPages()) || (changePageDelayTimer.isActive()) )
- return;
-
- if (scrollView()->isContinuous())
- return;
-
- changePageDelayTimer.stop();
- nextPage();
-
- scrollView()->setContentsPos(scrollView()->contentsX(), 0);
- return;
- }
- }
-
- scrollBar->setValue(scrollBar->value() + deltaInPixel);
-
- if ( (scrollBar->value() == scrollBar->maxValue()) || (scrollBar->value() == scrollBar->minValue()) )
- changePageDelayTimer.start(200,true);
- else
- changePageDelayTimer.stop();
-}
-
-
-void KMultiPage::scrollUp()
-{
- TQScrollBar* scrollBar = scrollView()->verticalScrollBar();
- if (scrollBar == 0)
- return;
-
- scroll(-scrollBar->lineStep());
-}
-
-
-void KMultiPage::scrollDown()
-{
- TQScrollBar* scrollBar = scrollView()->verticalScrollBar();
- if (scrollBar == 0)
- return;
-
- scroll(scrollBar->lineStep());
-}
-
-void KMultiPage::scrollLeft()
-{
- TQScrollBar* scrollBar = scrollView()->horizontalScrollBar();
- if (scrollBar)
- scrollBar->subtractLine();
-}
-
-
-void KMultiPage::scrollRight()
-{
- TQScrollBar* scrollBar = scrollView()->horizontalScrollBar();
- if (scrollBar)
- scrollBar->addLine();
-}
-
-
-void KMultiPage::scrollUpPage()
-{
- TQScrollBar* scrollBar = scrollView()->verticalScrollBar();
- if (scrollBar)
- scrollBar->subtractPage();
-}
-
-
-void KMultiPage::scrollDownPage()
-{
- TQScrollBar* scrollBar = scrollView()->verticalScrollBar();
- if (scrollBar)
- scrollBar->addPage();
-}
-
-
-void KMultiPage::scrollLeftPage()
-{
- TQScrollBar* scrollBar = scrollView()->horizontalScrollBar();
- if (scrollBar)
- scrollBar->subtractPage();
-}
-
-
-void KMultiPage::scrollRightPage()
-{
- TQScrollBar* scrollBar = scrollView()->horizontalScrollBar();
- if (scrollBar)
- scrollBar->addPage();
-}
-
-
-void KMultiPage::readDown()
-{
- PageView* sv = scrollView();
-
- if (sv->atBottom())
- {
- if (sv->isContinuous())
- return;
-
- if (currentPageNumber() == numberOfPages())
- return;
-
- nextPage();
- sv->setContentsPos(sv->contentsX(), 0);
- }
- else
- sv->readDown();
-}
-
-
-void KMultiPage::readUp()
-{
- PageView* sv = scrollView();
-
- if (sv->atTop())
- {
- if (sv->isContinuous())
- return;
-
- if (currentPageNumber() == 1)
- return;
-
- prevPage();
- sv->setContentsPos(sv->contentsX(), sv->contentsHeight());
- }
- else
- sv->readUp();
-}
-
-
-void KMultiPage::jumpToReference(const TQString& reference)
-{
- if (renderer.isNull())
- return;
-
- gotoPage(renderer->parseReference(reference));
-}
-
-
-void KMultiPage::gotoPage(const Anchor &a)
-{
- if (!a.page.isValid() || (renderer.isNull()))
- return;
-
- gotoPage(a.page, (int)(a.distance_from_top.getLength_in_inch()*pageCache->getResolution() + 0.5), true);
-}
-
-
-void KMultiPage::gotoPage(const TextSelection& selection)
-{
- if (selection.isEmpty())
- {
- kdError(4300) << "KMultiPage::gotoPage(...) called with empty TextSelection." << endl;
- return;
- }
-
- RenderedDocumentPage* pageData = pageCache->getPage(selection.getPageNumber());
-
- if (pageData == 0) {
-#ifdef DEBUG_DOCUMENTWIDGET
- kdDebug(4300) << "DocumentWidget::paintEvent: no documentPage generated" << endl;
-#endif
- return;
- }
-
- switch (widgetList.size())
- {
- case 0:
- kdError(4300) << "KMultiPage::select() while widgetList is empty" << endl;
- break;
- case 1:
- ((DocumentWidget*)widgetList[0])->select(selection);
- break;
- default:
- if (widgetList.size() < currentPageNumber())
- kdError(4300) << "KMultiPage::select() while widgetList.size()=" << widgetList.size() << "and currentPageNumber()=" << currentPageNumber() << endl;
- else
- ((DocumentWidget*)widgetList[selection.getPageNumber() - 1])->select(selection);
- }
-
- unsigned int y = pageData->textBoxList[selection.getSelectedTextStart()].box.top();
- gotoPage(selection.getPageNumber(), y, false);
-}
-
-
-void KMultiPage::doSelectAll()
-{
- switch( widgetList.size() ) {
- case 0:
- kdError(4300) << "KMultiPage::doSelectAll() while widgetList is empty" << endl;
- break;
- case 1:
- ((DocumentWidget *)widgetList[0])->selectAll();
- break;
- default:
- if (widgetList.size() < currentPageNumber())
- kdError(4300) << "KMultiPage::doSelectAll() while widgetList.size()=" << widgetList.size() << "and currentPageNumber()=" << currentPageNumber() << endl;
- else
- ((DocumentWidget *)widgetList[currentPageNumber()-1])->selectAll();
- }
-}
-
-
-
-void KMultiPage::showFindTextDialog()
-{
- if ((renderer.isNull()) || (renderer->supportsTextSearch() == false))
- return;
-
- searchWidget->show();
- searchWidget->setFocus();
-}
-
-void KMultiPage::stopSearch()
-{
- if (searchInProgress)
- {
- // stop the search
- searchInProgress = false;
- }
- else
- searchWidget->hide();
-}
-
-void KMultiPage::findNextText()
-{
-#ifdef KDVI_MULTIPAGE_DEBUG
- kdDebug(4300) << "KMultiPage::findNextText() called" << endl;
-#endif
-
- searchInProgress = true;
-
- // Used to remember if the documentPage we use is from the cache.
- // If not we need to delete it manually to avoid a memory leak.
- bool cachedPage = false;
-
- TQString searchText = searchWidget->getText();
-
- if (searchText.isEmpty())
- {
- kdError(4300) << "KMultiPage::findNextText() called when search text was empty" << endl;
- return;
- }
-
- bool case_sensitive = searchWidget->caseSensitive();
-
- // Find the page and text position on the page where the search will
- // start. If nothing is selected, we start at the beginning of the
- // current page. Otherwise, start after the selected text. TODO:
- // Optimize this to get a better 'user feeling'
- TQ_UINT16 startingPage;
- TQ_UINT16 startingTextItem;
-
- TextSelection userSelection = pageCache->selectedText();
- if (userSelection.isEmpty())
- {
- startingPage = currentPageNumber();
- startingTextItem = 0;
- }
- else
- {
- startingPage = userSelection.getPageNumber();
- startingTextItem = userSelection.getSelectedTextEnd()+1;
- }
-
- TextSelection foundSelection;
-
- RenderedDocumentPagePixmap* searchPage = 0;
-
- for(unsigned int i = 0; i < numberOfPages(); i++)
- {
- unsigned int pageNumber = (i + startingPage - 1) % numberOfPages() + 1;
-
- if (!searchInProgress)
- {
- // Interrupt the search
- setStatusBarText(i18n("Search interrupted"));
- if (!cachedPage)
- delete searchPage;
- return;
- }
-
- if (i != 0)
- {
- setStatusBarText(i18n("Search page %1 of %2").arg(pageNumber).arg(numberOfPages()));
- kapp->processEvents();
- }
-
- // Check if we already have a rendered version of the page in the cache. As we are only interested in the
- // text we don't care about the page size.
- if (pageCache->isPageCached(pageNumber))
- {
- // If the last search page used was created locally, we need to destroy it
- if (!cachedPage)
- delete searchPage;
-
- searchPage = pageCache->getPage(pageNumber);
- cachedPage = true;
- }
- else
- {
- // If the page is not in the cache we draw a small version of it, since this is faster.
-
- // We only create a new searchPage if we need to, otherwise reuse the existing one.
- if (!searchPage || cachedPage)
- searchPage = new RenderedDocumentPagePixmap();
-
- cachedPage = false;
-
- searchPage->resize(1,1);
- searchPage->setPageNumber(pageNumber);
- renderer->getText(searchPage);
- }
-
- // If there is no text in the current page, try the next one.
- if (searchPage->textBoxList.size() == 0)
- continue;
-
- foundSelection = searchPage->find(searchText, startingTextItem, case_sensitive);
-
- if (foundSelection.isEmpty())
- {
- // In the next page, start search again at the beginning.
- startingTextItem = 0;
- clearSelection();
-
- if (pageNumber == numberOfPages())
- {
- int answ = KMessageBox::questionYesNo(scrollView(),
- i18n("<qt>The search string <strong>%1</strong> could not be found by the "
- "end of the document. Should the search be restarted from the beginning "
- "of the document?</qt>").arg(searchText),
- i18n("Text Not Found"), KStdGuiItem::cont(), KStdGuiItem::cancel());
-
- if (answ != KMessageBox::Yes)
- {
- setStatusBarText(TQString());
- searchInProgress = false;
- if (!cachedPage)
- delete searchPage;
- return;
- }
- }
- }
- else
- {
- pageCache->selectText(foundSelection);
- gotoPage(pageCache->selectedText());
- setStatusBarText(TQString());
- searchInProgress = false;
- if (!cachedPage)
- delete searchPage;
- return;
- }
- }
-
- KMessageBox::sorry(scrollView(), i18n("<qt>The search string <strong>%1</strong> could not be found.</qt>").arg(searchText));
- setStatusBarText(TQString());
- searchInProgress = false;
- if (!cachedPage)
- delete searchPage;
-}
-
-
-void KMultiPage::findPrevText()
-{
-#ifdef KDVI_MULTIPAGE_DEBUG
- kdDebug(4300) << "KMultiPage::findPrevText() called" << endl;
-#endif
-
- searchInProgress = true;
-
- // Used to remember if the documentPage we use is from the cache.
- // If not we need to delete it manually to avoid a memory leak.
- bool cachedPage = false;
-
- TQString searchText = searchWidget->getText();
-
- if (searchText.isEmpty())
- {
- kdError(4300) << "KMultiPage::findPrevText() called when search text was empty" << endl;
- return;
- }
-
- bool case_sensitive = searchWidget->caseSensitive();
-
- // Find the page and text position on the page where the search will
- // start. If nothing is selected, we start at the beginning of the
- // current page. Otherwise, start after the selected text. TODO:
- // Optimize this to get a better 'user feeling'
- unsigned int startingPage;
- int startingTextItem;
-
- TextSelection userSelection = pageCache->selectedText();
- if (userSelection.isEmpty())
- {
- startingPage = currentPageNumber();
- startingTextItem = -1;
- }
- else
- {
- startingPage = userSelection.getPageNumber();
- startingTextItem = userSelection.getSelectedTextStart()-1;
- }
-
- TextSelection foundSelection;
-
- RenderedDocumentPagePixmap* searchPage = 0;
-
- for(unsigned int i = 0; i < numberOfPages(); i++)
- {
- int pageNumber = startingPage - i;
- if (pageNumber <= 0)
- pageNumber += numberOfPages();
-
- if (!searchInProgress)
- {
- // Interrupt the search
- setStatusBarText(i18n("Search interrupted"));
- if (!cachedPage)
- delete searchPage;
- return;
- }
-
- if (i != 0)
- {
- setStatusBarText(i18n("Search page %1 of %2").arg(pageNumber).arg(numberOfPages()));
- kapp->processEvents();
- }
-
- // Check if we already have a rendered version of the page in the cache. As we are only interested in the
- // text we don't care about the page size.
- if (pageCache->isPageCached(pageNumber))
- {
- // If the last search page used was created locally, we need to destroy it
- if (!cachedPage)
- delete searchPage;
-
- searchPage = pageCache->getPage(pageNumber);
- cachedPage = true;
- }
- else
- {
- // If the page is not in the cache we draw a small version of it, since this is faster.
-
- // We only create a new searchPage if we need to, otherwise reuse the existing one.
- if (!searchPage || cachedPage)
- searchPage = new RenderedDocumentPagePixmap();
-
- cachedPage = false;
-
- searchPage->resize(1,1);
- searchPage->setPageNumber(pageNumber);
- renderer->getText(searchPage);
- }
-
- // If there is no text in the current page, try the next one.
- if (searchPage->textBoxList.size() == 0)
- continue;
-
- foundSelection = searchPage->findRev(searchText, startingTextItem, case_sensitive);
-
- if (foundSelection.isEmpty())
- {
- // In the next page, start search again at the beginning.
- startingTextItem = -1;
- clearSelection();
-
- if (pageNumber == 1)
- {
- int answ = KMessageBox::questionYesNo(scrollView(),
- i18n("<qt>The search string <strong>%1</strong> could not be found by the "
- "beginning of the document. Should the search be restarted from the end "
- "of the document?</qt>").arg(searchText),
- i18n("Text Not Found"), KStdGuiItem::cont(), KStdGuiItem::cancel());
-
- if (answ != KMessageBox::Yes)
- {
- setStatusBarText(TQString());
- searchInProgress = false;
- if (!cachedPage)
- delete searchPage;
- return;
- }
- }
- }
- else
- {
- pageCache->selectText(foundSelection);
- gotoPage(pageCache->selectedText());
- setStatusBarText(TQString());
- searchInProgress = false;
- if (!cachedPage)
- delete searchPage;
- return;
- }
- }
-
- KMessageBox::sorry(scrollView(), i18n("<qt>The search string <strong>%1</strong> could not be found.</qt>").arg(searchText));
- setStatusBarText(TQString());
- searchInProgress = false;
- if (!cachedPage)
- delete searchPage;
-}
-
-
-void KMultiPage::clearSelection()
-{
- PageNumber page = pageCache->selectedText().getPageNumber();
-
- if (!page.isValid())
- return;
-
- // Clear selection
- pageCache->deselectText();
-
- // Now we need to update the widget which contained the selection
- switch(widgetList.size())
- {
- case 0:
- kdError(4300) << "KMultiPage::clearSelection() while widgetList is empty" << endl;
- break;
- case 1:
- widgetList[0]->update();
- break;
- default:
- for (unsigned int i = 0; i < widgetList.size(); i++)
- {
- DocumentWidget* pageWidget = (DocumentWidget*)widgetList[i];
- if (pageWidget->getPageNumber() == page)
- {
- pageWidget->update();
- break;
- }
- }
- }
-}
-
-void KMultiPage::copyText()
-{
- pageCache->selectedText().copyText();
-}
-
-void KMultiPage::timerEvent( TQTimerEvent * )
-{
-#ifdef KMULTIPAGE_DEBUG
- kdDebug(4300) << "Timer Event " << endl;
-#endif
- reload();
-}
-
-
-void KMultiPage::reload()
-{
-#ifdef KMULTIPAGE_DEBUG
- kdDebug(4300) << "Reload file " << m_file << endl;
-#endif
-
- if (renderer.isNull()) {
- kdError() << "KMultiPage::reload() called, but no renderer was set" << endl;
- return;
- }
-
- if (renderer->isValidFile(m_file)) {
- pageCache->clear();
- pageCache->deselectText();
- document_history.clear();
- emit setStatusBarText(i18n("Reloading file %1").arg(m_file));
- TQ_INT32 pg = currentPageNumber();
-
- killTimer(timer_id);
- timer_id = -1;
- bool r = renderer->setFile(m_file, m_url);
-
- generateDocumentWidgets();
-
- // Set Table of Contents
- tableOfContents->setContents(renderer->getBookmarks());
-
- // Adjust number of widgets in the thumbnail sidebar
- markList()->clear();
- markList()->setNumberOfPages(numberOfPages(), KVSPrefs::showThumbnails());
-
- setCurrentPageNumber(pg);
- setFile(r);
- emit setStatusBarText(TQString());
- } else {
- if (timer_id == -1)
- timer_id = startTimer(1000);
- }
-}
-
-
-bool KMultiPage::openFile()
-{
- if (renderer.isNull()) {
- kdError(4300) << "KMultiPage::openFile() called when no renderer was set" << endl;
- return false;
- }
-
- pageCache->deselectText();
- document_history.clear();
- pageCache->clear();
- emit setStatusBarText(i18n("Loading file %1").arg(m_file));
-
- bool r = renderer->setFile(m_file, m_url);
-
- if (r) {
- setCurrentPageNumber(1);
- generateDocumentWidgets();
-
- // Set number of widgets in the thumbnail sidebar
- markList()->clear();
- markList()->setNumberOfPages(numberOfPages(), KVSPrefs::showThumbnails());
-
- TQString reference = url().ref();
- if (!reference.isEmpty())
- gotoPage(renderer->parseReference(reference));
-
- // Set Table of Contents
- tableOfContents->setContents(renderer->getBookmarks());
- } else
- m_file = TQString();
-
-
- setFile(r);
-
- // Clear Statusbar
- emit setStatusBarText(TQString());
- return r;
-}
-
-
-bool KMultiPage::openURL(const TQString &filename, const KURL &base_url)
-{
- m_file = filename;
- m_url = base_url;
-
- bool success = openFile();
- if (success)
- setCurrentPageNumber(1);
-
- return success;
-}
-
-
-void KMultiPage::enableActions(bool fileLoaded)
-{
- Q_UNUSED(fileLoaded);
-}
-
-void KMultiPage::wheelEvent(TQWheelEvent *e)
-{
- TQScrollBar *sb = scrollView()->verticalScrollBar();
- if (sb == 0)
- return;
-
- // Zoom in/out
- if (e->state() & ControlButton)
- {
- if (e->delta() < 0)
- emit zoomOut();
- else
- emit zoomIn();
- return;
- }
-
- TQ_INT32 pxl = -(e->delta()*sb->lineStep())/60;
- if (pxl == 0)
- {
- if (e->delta() > 0)
- pxl = -1;
- else
- pxl = 1;
- }
-
- // Faster scrolling
- if (e->state() & ShiftButton)
- pxl *= 10;
-
- scroll(pxl);
-}
-
-
-KPrinter *KMultiPage::getPrinter(bool enablePageSizeFeatures)
-{
- // Allocate a new KPrinter structure, if necessary
- KPrinter *printer = new KPrinter(true);
- if (printer == 0) {
- kdError(1223) << "KMultiPage::getPrinter(..): Cannot allocate new KPrinter structure" << endl;
- return 0;
- }
-
- // Allocate a new KPrintDialogPage structure and add it to the
- // printer, if the kmultipage implementation requests that
- if (enablePageSizeFeatures == true) {
- KPrintDialogPage_PageOptions *pageOptions = new KPrintDialogPage_PageOptions();
- if (pageOptions == 0) {
- kdError(1223) << "KMultiPage::getPrinter(..): Cannot allocate new KPrintDialogPage_PageOptions structure" << endl;
- delete printer;
- return 0;
- }
- printer->addDialogPage( pageOptions );
- }
-
- // Feed the printer with useful defaults and information.
- printer->setPageSelection( KPrinter::ApplicationSide );
- printer->setCurrentPage( currentPageNumber() );
- printer->setMinMax( 1, numberOfPages() );
- printer->setFullPage( true );
-
- // If pages are marked, give a list of marked pages to the
- // printer. We try to be smart and optimize the list by using ranges
- // ("5-11") wherever possible. The user will be tankful for
- // that. Complicated? Yeah, but that's life.
- TQValueList<int> selectedPageNo = selectedPages();
- if (selectedPageNo.isEmpty() == true)
- printer->setOption( "kde-range", "" );
- else {
- int commaflag = 0;
- TQString range;
- TQValueList<int>::ConstIterator it = selectedPageNo.begin();
- do{
- int val = *it;
- if (commaflag == 1)
- range += TQString(", ");
- else
- commaflag = 1;
- int endval = val;
- if (it != selectedPageNo.end()) {
- TQValueList<int>::ConstIterator jt = it;
- jt++;
- do{
- int val2 = *jt;
- if (val2 == endval+1)
- endval++;
- else
- break;
- jt++;
- } while( jt != selectedPageNo.end() );
- it = jt;
- } else
- it++;
- if (endval == val)
- range += TQString("%1").arg(val);
- else
- range += TQString("%1-%2").arg(val).arg(endval);
- } while (it != selectedPageNo.end() );
- printer->setOption( "kde-range", range );
- }
-
- return printer;
-}
-
-void KMultiPage::doExportText()
-{
- // Generate a suggestion for a reasonable file name
- TQString suggestedName = url().filename();
- suggestedName = suggestedName.left(suggestedName.find(".")) + ".txt";
-
- TQString fileName = KFileDialog::getSaveFileName(suggestedName, i18n("*.txt|Plain Text (Latin 1) (*.txt)"), scrollView(), i18n("Export File As"));
-
- if (fileName.isEmpty())
- return;
-
- TQFileInfo finfo(fileName);
- if (finfo.exists())
- {
- int r = KMessageBox::warningContinueCancel (scrollView(),
- i18n("The file %1\nexists. Do you want to overwrite that file?").arg(fileName),
- i18n("Overwrite File"), i18n("Overwrite"));
-
- if (r == KMessageBox::Cancel)
- return;
- }
-
- TQFile textFile(fileName);
- textFile.open(IO_WriteOnly);
- TQTextStream stream(&textFile);
-
- TQProgressDialog progress(i18n("Exporting to text..."), i18n("Abort"), renderer->totalPages(),
- scrollView(), "export_text_progress", true);
- progress.setMinimumDuration(300);
-
- RenderedDocumentPagePixmap dummyPage;
- dummyPage.resize(1, 1);
-
- for(unsigned int page = 1; page <= renderer->totalPages(); page++)
- {
- progress.setProgress(page);
- tqApp->processEvents();
-
- if (progress.wasCancelled())
- break;
-
- dummyPage.setPageNumber(page);
- // We gracefully ignore any errors (bad file, etc.)
- renderer->getText(&dummyPage);
-
- for(unsigned int i = 0; i < dummyPage.textBoxList.size(); i++)
- {
- // We try to detect newlines
- if (i > 0)
- {
- // Like all our textalgorithmns this currently assumes left to right text.
- // TODO: make this more generic. But we first would need to guess the corrent
- // orientation.
- if (dummyPage.textBoxList[i].box.top() > dummyPage.textBoxList[i-1].box.bottom() &&
- dummyPage.textBoxList[i].box.x() < dummyPage.textBoxList[i-1].box.x())
- {
- stream << "\n";
- }
- }
- stream << dummyPage.textBoxList[i].text;
- }
-
- // Send newline after each page.
- stream << "\n";
- }
-
- // Switch off the progress dialog, etc.
- progress.setProgress(renderer->totalPages());
- return;
-}
-
-void KMultiPage::slotEnableMoveTool(bool enable)
-{
- emit enableMoveTool(enable);
-}
-
-#include "kmultipage.moc"
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