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619 lines
17 KiB
619 lines
17 KiB
/* -------------------------------------------------------------
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queryview.cpp (part of The KDE Dictionary Client)
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Copyright (C) 2000-2001 Christian Gebauer <gebauer@kde.org>
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This file is distributed under the Artistic License.
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See LICENSE for details.
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-------------------------------------------------------------
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BrowseData data structure used for caching definitions
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DictHTMLPart handling of middle mouse button clicks
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QueryView widget that displays the definitions
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------------------------------------------------------------- */
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#include <tqclipboard.h>
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#include <tqtimer.h>
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#include <tdefiledialog.h>
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#include <ktempfile.h>
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#include <tdeio/netaccess.h>
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#include <kcursor.h>
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#include <tdepopupmenu.h>
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#include <kmessagebox.h>
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#include <klocale.h>
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#include <tdehtml_events.h>
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#include <tdehtmlview.h>
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#include "actions.h"
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#include "options.h"
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#include "dict.h"
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#include "queryview.h"
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#include <kapplication.h>
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#include <kiconloader.h>
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//******** SaveHelper *******************************************
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TQString SaveHelper::lastPath;
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SaveHelper::SaveHelper(const TQString &saveName, const TQString &filter, TQWidget *parent)
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: p_arent(parent), s_aveName(saveName), f_ilter(filter), file(0), tmpFile(0)
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{
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}
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SaveHelper::~SaveHelper()
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{
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if (file) { // local filesystem, just close the file
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delete file;
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} else
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if (tmpFile) { // network location, initiate transaction
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tmpFile->close();
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if (TDEIO::NetAccess::upload(tmpFile->name(),url, p_arent) == false)
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KMessageBox::error(global->topLevel, i18n("Unable to save remote file."));
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tmpFile->unlink(); // delete temp file
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delete tmpFile;
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}
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}
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TQFile* SaveHelper::getFile(const TQString &dialogTitle)
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{
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url = KFileDialog::getSaveURL(lastPath+s_aveName,f_ilter,p_arent,dialogTitle);
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if (url.isEmpty())
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return 0;
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lastPath = url.url(-1);
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lastPath.truncate(lastPath.length()-url.fileName().length());
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if (url.isLocalFile()) {
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if (TQFileInfo(url.path()).exists() &&
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(KMessageBox::warningContinueCancel(global->topLevel,
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i18n("A file named %1 already exists.\nDo you want to replace it?").arg(url.path()),
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dialogTitle, i18n("&Replace")) != KMessageBox::Continue)) {
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return 0;
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}
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file = new TQFile(url.path());
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if(!file->open(IO_WriteOnly)) {
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KMessageBox::error(global->topLevel, i18n("Unable to save file."));
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delete file;
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file = 0;
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}
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return file;
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} else {
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tmpFile = new KTempFile();
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if (tmpFile->status()!=0)
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KMessageBox::error(global->topLevel, i18n("Unable to create temporary file.")); {
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delete tmpFile;
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tmpFile = 0;
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return 0;
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}
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return tmpFile->file();
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}
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}
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//**** BrowseData ****************************************************
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BrowseData::BrowseData(const TQString &Nhtml, const TQString &NqueryText)
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: html(Nhtml),queryText(NqueryText),xPos(0),yPos(0)
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{}
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//********* DictHTMLPart ******************************************
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DictHTMLPart::DictHTMLPart(TQWidget *parentWidget, const char *widgetname)
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: TDEHTMLPart(parentWidget,widgetname)
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{}
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DictHTMLPart::~DictHTMLPart()
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{}
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void DictHTMLPart::tdehtmlMouseReleaseEvent(tdehtml::MouseReleaseEvent *event)
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{
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if (event->qmouseEvent()->button()==Qt::MidButton)
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emit(middleButtonClicked());
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else
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TDEHTMLPart::tdehtmlMouseReleaseEvent(event);
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}
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//********* QueryView ******************************************
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QueryView::QueryView(TQWidget *_parent)
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: TQVBox( _parent), actBack(0L), actForward(0L), actQueryCombo(0L), browsePos(0), isRendering(false)
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{
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browseList.setAutoDelete(true);
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part=new DictHTMLPart(this);
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part->setDNDEnabled(false);
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part->setJScriptEnabled(false);
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part->setJavaEnabled(false);
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part->setURLCursor(KCursor::handCursor());
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setFocusPolicy(TQ_NoFocus);
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connect(part, TQT_SIGNAL(completed()), TQT_SLOT(partCompleted()));
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connect(part, TQT_SIGNAL(middleButtonClicked()), TQT_SLOT(middleButtonClicked()));
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rightBtnMenu = new TDEPopupMenu(this);
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connect(part,TQT_SIGNAL(popupMenu(const TQString &, const TQPoint &)),this,TQT_SLOT(buildPopupMenu(const TQString &, const TQPoint &)));
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connect(part->browserExtension(),TQT_SIGNAL(openURLRequest(const KURL &,const KParts::URLArgs &)),
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this,TQT_SLOT(slotURLRequest(const KURL &,const KParts::URLArgs &)));
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connect(part->browserExtension(),TQT_SIGNAL(enableAction(const char *,bool)),this,TQT_SLOT(enableAction(const char *,bool)));
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TQTimer::singleShot( 0, this, TQT_SLOT(optionsChanged()) );
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connect(interface,TQT_SIGNAL(resultReady(const TQString &, const TQString &)), TQT_SLOT(resultReady(const TQString &, const TQString &)));
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}
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QueryView::~QueryView()
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{}
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void QueryView::setActions(TDEToolBarPopupAction* NactBack, TDEToolBarPopupAction* NactForward, DictComboAction* NactQueryCombo)
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{
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actBack = NactBack;
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connect(actBack->popupMenu(),TQT_SIGNAL(activated(int)),TQT_SLOT(browseBack(int)));
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actForward = NactForward;
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connect(actForward->popupMenu(),TQT_SIGNAL(activated(int)),TQT_SLOT(browseForward(int)));
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actQueryCombo = NactQueryCombo;
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}
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bool QueryView::browseBackPossible() const
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{
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return (browsePos > 0)? true:false;
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}
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bool QueryView::browseForwardPossible() const
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{
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return (browsePos+1 < browseList.count()) ? true:false;
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}
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void QueryView::optionsChanged()
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{
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saveCurrentResultPos();
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currentHTMLHeader = TQString("<html><head><style type=\"text/css\">\n");
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currentHTMLHeader += TQString("body { background-color:%1; color:%2; }\n").arg(global->backgroundColor().name()).arg(global->textColor().name());
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currentHTMLHeader += TQString("a:link, a:active { color:%1; text-decoration:none; }\n").arg(global->linksColor().name());
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currentHTMLHeader += TQString("a:visited { color:%1; text-decoration:none; }\n").arg(global->visitedLinksColor().name());
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currentHTMLHeader += TQString("a:hover { color:%1; text-decoration:underline; }\n").arg(global->linksColor().name());
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currentHTMLHeader += TQString("p.heading { margin-left:0mm; margin-top:2mm; margin-bottom:2mm; padding:1mm; background-color:%1; color:%2; font-family:%3; font-size:%4pt; ").arg(global->headingsBackgroundColor().name()).arg(global->headingsTextColor().name()).arg(global->headingsFont().family()).arg(global->headingsFont().pointSize());
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if (global->headingsFont().italic())
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currentHTMLHeader += TQString("font-style:italic; ");
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if (global->headingsFont().bold())
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currentHTMLHeader += TQString("font-weight:bold; ");
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currentHTMLHeader += TQString("}\n");
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currentHTMLHeader += TQString("p.definition { margin-left:1.5mm; margin-top:2mm; margin-bottom:2mm;}\n");
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currentHTMLHeader += TQString("table { margin-left:1.5mm; margin-top:2mm; margin-bottom:2mm;}\n");
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currentHTMLHeader += TQString("pre { font-family:%1; font-size:%2pt; ").arg(global->textFont().family()).arg(global->textFont().pointSize());
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if (global->textFont().italic())
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currentHTMLHeader += TQString("font-style:italic; ");
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if (global->textFont().bold())
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currentHTMLHeader += TQString("font-weight:bold; ");
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currentHTMLHeader += TQString("}\n");
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currentHTMLHeader += TQString("</style></head>\n");
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showResult(); // apply changes directly
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}
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void QueryView::stop()
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{
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if (isRendering == true) {
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part->closeURL();
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isRendering = false;
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emit(renderingStopped());
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}
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}
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// print current result
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void QueryView::printQuery()
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{
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part->view()->print();
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}
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// save the current result in an .html file
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void QueryView::saveQuery()
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{
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if (!browseList.isEmpty()) {
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BrowseData* brw = browseList.at(browsePos);
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TQString fName = brw->queryText+".html";
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fName.replace(TQRegExp("[\\s/]"),"_");
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SaveHelper helper(fName,"*.html",global->topLevel);
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TQFile *file = helper.getFile(TQString());
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if (file) {
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TQTextStream stream(file);
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stream.setEncoding(TQTextStream::Locale);
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stream << currentHTMLHeader+brw->html;
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}
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}
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}
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void QueryView::browseBack()
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{
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if (browseBackPossible()) {
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saveCurrentResultPos();
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browsePos--;
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actQueryCombo->setEditText(browseList.at(browsePos)->queryText);
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showResult();
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updateBrowseActions();
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}
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}
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void QueryView::browseForward()
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{
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if (browseForwardPossible()) {
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saveCurrentResultPos();
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browsePos++;
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actQueryCombo->setEditText(browseList.at(browsePos)->queryText);
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showResult();
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updateBrowseActions();
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}
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}
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void QueryView::selectAll()
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{
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part->selectAll();
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}
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void QueryView::copySelection()
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{
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kapp->clipboard()->setText(part->selectedText());
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}
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void QueryView::showFindDialog()
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{
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TDEAction *act = part->actionCollection()->action("find");
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if (act)
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act->activate();
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}
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void QueryView::paletteChange ( const TQPalette & )
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{
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optionsChanged();
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}
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void QueryView::fontChange ( const TQFont & )
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{
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optionsChanged();
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}
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void QueryView::saveCurrentResultPos()
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{
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if (!browseList.isEmpty()) {
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browseList.at(browsePos)->xPos = part->view()->contentsX();
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browseList.at(browsePos)->yPos = part->view()->contentsY();
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}
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}
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void QueryView::showResult()
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{
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if (!isRendering) {
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isRendering = true;
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emit(renderingStarted());
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}
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part->begin();
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if (browseList.isEmpty()) {
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part->write(currentHTMLHeader+"<body></body></html>");
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part->end();
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} else {
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BrowseData* brw = browseList.at(browsePos);
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emit(newCaption(getShortString(brw->queryText.simplifyWhiteSpace(),70)));
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part->write(currentHTMLHeader+brw->html);
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part->end();
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part->view()->setFocus();
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}
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}
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void QueryView::resultReady(const TQString &result, const TQString &query)
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{
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BrowseData* brw = new BrowseData(result,query);
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if (browseList.isEmpty()) {
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browsePos = 0;
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browseList.append(brw);
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} else {
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saveCurrentResultPos();
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while (browseList.count()>browsePos+1)
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browseList.removeLast();
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browseList.append(brw);
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browsePos++;
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while (browseList.count()>global->maxBrowseListEntrys) {
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browseList.removeFirst();
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browsePos--;
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}
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}
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showResult();
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emit(enablePrintSave());
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actQueryCombo->selectAll();
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updateBrowseActions();
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}
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void QueryView::partCompleted()
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{
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if (!browseList.isEmpty())
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part->view()->setContentsPos(browseList.at(browsePos)->xPos,browseList.at(browsePos)->yPos);
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if (isRendering) {
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emit(renderingStopped());
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isRendering = false;
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}
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}
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void QueryView::slotURLRequest (const KURL &url, const KParts::URLArgs &)
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{
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TQString type = url.host();
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TQString urlText = url.prettyURL();
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urlText.remove(0,8+type.length());
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if (type.length()) { // valid url
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if(type=="define")
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emit(defineRequested(urlText));
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if(type=="dbinfo")
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interface->showDbInfo(urlText.utf8());
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if(type=="realhttp")
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kapp->invokeBrowser("http://"+urlText);
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if(type=="realftp")
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kapp->invokeBrowser("ftp://"+urlText);
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}
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}
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void QueryView::middleButtonClicked()
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{
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emit(clipboardRequested());
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}
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// construct the right-mouse-button-popup-menu on demand
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void QueryView::buildPopupMenu(const TQString &url, const TQPoint &point)
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{
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rightBtnMenu->clear();
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if (!url.isEmpty()) { // menuitem if mouse is over link
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KURL u(url);
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TQString type = u.host();
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popupLink = u.prettyURL();
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popupLink.remove(0,8+type.length());
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if (type.length()) { // valid url
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if(type=="define") {
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rightBtnMenu->insertItem(i18n("Define &Synonym"),
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this,TQT_SLOT(popupDefineLink()));
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rightBtnMenu->insertItem(i18n("M&atch Synonym"),
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this,TQT_SLOT(popupMatchLink()));
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rightBtnMenu->insertSeparator();
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}
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if(type=="dbinfo") {
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rightBtnMenu->insertItem(i18n("D&atabase Information"),this,TQT_SLOT(popupDbInfo()));
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rightBtnMenu->insertSeparator();
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}
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if(type=="realhttp") {
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popupLink.prepend("http://");
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rightBtnMenu->insertItem(SmallIcon("fileopen"),
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i18n("&Open Link"),
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this,TQT_SLOT(popupOpenLink()));
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rightBtnMenu->insertSeparator();
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}
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if(type=="realftp") {
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popupLink.prepend("ftp://");
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rightBtnMenu->insertItem(SmallIcon("fileopen"),
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i18n("&Open Link"),
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this,TQT_SLOT(popupOpenLink()));
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rightBtnMenu->insertSeparator();
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}
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}
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}
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if (part->hasSelection()) {
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popupSelect = part->selectedText();
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rightBtnMenu->insertItem(i18n("&Define Selection"),
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this,TQT_SLOT(popupDefineSelect()));
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rightBtnMenu->insertItem(i18n("&Match Selection"),
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this,TQT_SLOT(popupMatchSelect()));
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rightBtnMenu->insertSeparator();
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} else {
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kapp->clipboard()->setSelectionMode(false);
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TQString text = kapp->clipboard()->text();
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if (text.isEmpty()) {
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kapp->clipboard()->setSelectionMode(true);
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text = kapp->clipboard()->text();
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}
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if (!text.isEmpty()) {
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popupSelect = TQApplication::clipboard()->text();
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rightBtnMenu->insertItem(SmallIcon("define_clip"),
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i18n("&Define Clipboard Content"),
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this,TQT_SLOT(popupDefineSelect()));
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rightBtnMenu->insertItem(i18n("&Match Clipboard Content"),
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this,TQT_SLOT(popupMatchSelect()));
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rightBtnMenu->insertSeparator();
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}
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}
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int ID;
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if (browseBackPossible()) { // if possible, show string
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if (browseList.at(browsePos-1)->queryText.isEmpty())
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rightBtnMenu->insertItem(SmallIcon("back"),
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i18n("&Back: Information"),
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this,TQT_SLOT(browseBack()));
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else
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rightBtnMenu->insertItem(SmallIcon("back"),
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i18n("&Back: '%1'").arg(getShortString(browseList.at(browsePos-1)->queryText,25)),
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this,TQT_SLOT(browseBack()));
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} else {
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ID = rightBtnMenu->insertItem(SmallIcon("back"), i18n("&Back"), this, TQT_SLOT(browseBack()));
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rightBtnMenu->setItemEnabled(ID,false);
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}
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if (browseForwardPossible()) { // if possible, show string
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if (browseList.at(browsePos+1)->queryText.isEmpty())
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rightBtnMenu->insertItem(SmallIcon("forward"),
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i18n("&Forward: Information"),
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this,TQT_SLOT(browseForward()));
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else
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rightBtnMenu->insertItem(SmallIcon("forward"),
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i18n("&Forward: '%1'").arg(getShortString(browseList.at(browsePos+1)->queryText,25)),
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this,TQT_SLOT(browseForward()));
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} else {
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ID = rightBtnMenu->insertItem(SmallIcon("forward"),i18n("&Forward"),this,TQT_SLOT(browseForward()));
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rightBtnMenu->setItemEnabled(ID,false);
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}
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rightBtnMenu->popup(point);
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}
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void QueryView::popupDefineLink()
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{
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emit(defineRequested(popupLink));
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}
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void QueryView::popupMatchLink()
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{
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emit(matchRequested(popupLink));
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}
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void QueryView::popupOpenLink()
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{
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kapp->invokeBrowser(popupLink);
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}
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void QueryView::popupDefineSelect()
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{
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emit(defineRequested(popupSelect));
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}
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void QueryView::popupMatchSelect()
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{
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emit(matchRequested(popupSelect));
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}
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void QueryView::popupDbInfo()
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{
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interface->showDbInfo(popupLink.utf8());
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}
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|
|
|
|
|
void QueryView::enableAction(const char * name, bool enabled)
|
|
{
|
|
if (!strcmp(name,"copy"))
|
|
emit(enableCopy(enabled));
|
|
}
|
|
|
|
|
|
void QueryView::browseBack(int index)
|
|
{
|
|
int x = browsePos-index;
|
|
if (x>=0) {
|
|
saveCurrentResultPos();
|
|
browsePos = x;
|
|
actQueryCombo->setEditText(browseList.at(browsePos)->queryText);
|
|
showResult();
|
|
TQTimer::singleShot(0, this, TQT_SLOT(updateBrowseActions())); // don't clear the menu in this slot
|
|
}
|
|
}
|
|
|
|
|
|
void QueryView::browseForward(int index)
|
|
{
|
|
int x = browsePos+index;
|
|
if (x < (int)(browseList.count())) {
|
|
saveCurrentResultPos();
|
|
browsePos = x;
|
|
actQueryCombo->setEditText(browseList.at(browsePos)->queryText);
|
|
showResult();
|
|
TQTimer::singleShot(0, this, TQT_SLOT(updateBrowseActions())); // don't clear the menu in this slot
|
|
}
|
|
}
|
|
|
|
|
|
void QueryView::updateBrowseActions()
|
|
{
|
|
if (browseBackPossible()) {
|
|
actBack->setEnabled(true);
|
|
if (browseList.at(browsePos-1)->queryText.isEmpty())
|
|
actBack->setText(i18n("&Back: Information"));
|
|
else
|
|
actBack->setText(i18n("&Back: '%1'").arg(getShortString(browseList.at(browsePos-1)->queryText,25)));
|
|
|
|
actBack->popupMenu()->clear();
|
|
int i = browsePos-1;
|
|
int num = 1;
|
|
TQString s;
|
|
while ((i>=0)&&(num<=10)) {
|
|
s = browseList.at(i)->queryText;
|
|
if (s.isEmpty()) s = i18n("Information");
|
|
actBack->popupMenu()->insertItem(s,num);
|
|
num++;
|
|
i--;
|
|
}
|
|
} else {
|
|
actBack->setEnabled(false);
|
|
actBack->setText(i18n("&Back"));
|
|
actBack->popupMenu()->clear();
|
|
}
|
|
|
|
if (browseForwardPossible()) {
|
|
actForward->setEnabled(true);
|
|
if (browseList.at(browsePos+1)->queryText.isEmpty())
|
|
actForward->setText(i18n("&Forward: Information"));
|
|
else
|
|
actForward->setText(i18n("&Forward: '%1'").arg(getShortString(browseList.at(browsePos+1)->queryText,25)));
|
|
|
|
actForward->popupMenu()->clear();
|
|
int i = browsePos+1;
|
|
int num = 1;
|
|
TQString s;
|
|
while ((i<(int)(browseList.count()))&&(num<=10)) {
|
|
s = browseList.at(i)->queryText;
|
|
if (s.isEmpty()) s = i18n("Information");
|
|
actForward->popupMenu()->insertItem(s,num);
|
|
num++;
|
|
i++;
|
|
}
|
|
} else {
|
|
actForward->setEnabled(false);
|
|
actForward->setText(i18n("&Forward"));
|
|
actForward->popupMenu()->clear();
|
|
}
|
|
}
|
|
|
|
//--------------------------------
|
|
|
|
#include "queryview.moc"
|