Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdenetwork@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 618 insertions, 0 deletions

diff --git a/kdict/queryview.cpp b/kdict/queryview.cpp
new file mode 100644
index 00000000..a2674d68
--- /dev/null
+++ b/kdict/queryview.cpp
@@ -0,0 +1,618 @@
+/* -------------------------------------------------------------
+
+   queryview.cpp (part of The KDE Dictionary Client)
+
+   Copyright (C) 2000-2001 Christian Gebauer <gebauer@kde.org>
+
+   This file is distributed under the Artistic License.
+   See LICENSE for details.
+
+   -------------------------------------------------------------
+
+    BrowseData    data structure used for caching definitions
+    DictHTMLPart  handling of middle mouse button clicks
+    QueryView     widget that displays the definitions
+
+ ------------------------------------------------------------- */
+
+#include <qclipboard.h>
+#include <qtimer.h>
+
+#include <kfiledialog.h>
+#include <ktempfile.h>
+#include <kio/netaccess.h>
+#include <kcursor.h>
+#include <kpopupmenu.h>
+#include <kmessagebox.h>
+#include <klocale.h>
+#include <khtml_events.h>
+#include <khtmlview.h>
+
+#include "actions.h"
+#include "options.h"
+#include "dict.h"
+#include "queryview.h"
+#include <kapplication.h>
+#include <kiconloader.h>
+
+
+//********  SaveHelper  *******************************************
+
+QString SaveHelper::lastPath;
+
+SaveHelper::SaveHelper(const QString &saveName, const QString &filter, QWidget *parent)
+  : p_arent(parent), s_aveName(saveName), f_ilter(filter), file(0), tmpFile(0)
+{
+}
+
+
+SaveHelper::~SaveHelper()
+{
+  if (file) {       // local filesystem, just close the file
+    delete file;
+  } else
+    if (tmpFile) {      // network location, initiate transaction
+      tmpFile->close();
+      if (KIO::NetAccess::upload(tmpFile->name(),url, p_arent) == false)
+         KMessageBox::error(global->topLevel, i18n("Unable to save remote file."));
+      tmpFile->unlink();   // delete temp file
+      delete tmpFile;
+    }
+}
+
+
+QFile* SaveHelper::getFile(const QString &dialogTitle)
+{
+  url = KFileDialog::getSaveURL(lastPath+s_aveName,f_ilter,p_arent,dialogTitle);
+
+  if (url.isEmpty())
+    return 0;
+
+  lastPath = url.url(-1);
+  lastPath.truncate(lastPath.length()-url.fileName().length());
+
+  if (url.isLocalFile()) {
+    if (QFileInfo(url.path()).exists() &&
+        (KMessageBox::warningContinueCancel(global->topLevel,
+                                            i18n("A file named %1 already exists.\nDo you want to replace it?").arg(url.path()),
+                                            dialogTitle, i18n("&Replace")) != KMessageBox::Continue)) {
+      return 0;
+    }
+
+    file = new QFile(url.path());
+    if(!file->open(IO_WriteOnly)) {
+      KMessageBox::error(global->topLevel, i18n("Unable to save file."));
+      delete file;
+      file = 0;
+    }
+    return file;
+  } else {
+    tmpFile = new KTempFile();
+    if (tmpFile->status()!=0)
+      KMessageBox::error(global->topLevel, i18n("Unable to create temporary file."));     {
+      delete tmpFile;
+      tmpFile = 0;
+      return 0;
+    }
+    return tmpFile->file();
+  }
+}
+
+
+//****  BrowseData  ****************************************************
+
+
+BrowseData::BrowseData(const QString &Nhtml, const QString &NqueryText)
+: html(Nhtml),queryText(NqueryText),xPos(0),yPos(0)
+{}
+
+
+//*********  DictHTMLPart  ******************************************
+
+DictHTMLPart::DictHTMLPart(QWidget *parentWidget, const char *widgetname)
+  : KHTMLPart(parentWidget,widgetname)
+{}
+
+
+DictHTMLPart::~DictHTMLPart()
+{}
+
+
+void DictHTMLPart::khtmlMouseReleaseEvent(khtml::MouseReleaseEvent *event)
+{
+  if (event->qmouseEvent()->button()==MidButton)
+    emit(middleButtonClicked());
+  else
+    KHTMLPart::khtmlMouseReleaseEvent(event);
+}
+
+
+//*********  QueryView  ******************************************
+
+
+QueryView::QueryView(QWidget *_parent)
+: QVBox( _parent), actBack(0L), actForward(0L), actQueryCombo(0L), browsePos(0), isRendering(false)
+{
+  browseList.setAutoDelete(true);
+
+  part=new DictHTMLPart(this);
+  part->setDNDEnabled(false);
+  part->setJScriptEnabled(false);
+  part->setJavaEnabled(false);
+  part->setURLCursor(KCursor::handCursor());
+  setFocusPolicy(QWidget::NoFocus);
+  connect(part, SIGNAL(completed()), SLOT(partCompleted()));
+  connect(part, SIGNAL(middleButtonClicked()), SLOT(middleButtonClicked()));
+  rightBtnMenu = new KPopupMenu(this);
+  connect(part,SIGNAL(popupMenu(const QString &, const QPoint &)),this,SLOT(buildPopupMenu(const QString &, const QPoint &)));
+  connect(part->browserExtension(),SIGNAL(openURLRequest(const KURL &,const KParts::URLArgs &)),
+          this,SLOT(slotURLRequest(const KURL &,const KParts::URLArgs &)));
+  connect(part->browserExtension(),SIGNAL(enableAction(const char *,bool)),this,SLOT(enableAction(const char *,bool)));
+  QTimer::singleShot( 0, this, SLOT(optionsChanged()) );
+  connect(interface,SIGNAL(resultReady(const QString &, const QString &)), SLOT(resultReady(const QString &, const QString &)));
+}
+
+
+QueryView::~QueryView()
+{}
+
+
+void QueryView::setActions(KToolBarPopupAction* NactBack, KToolBarPopupAction* NactForward, DictComboAction* NactQueryCombo)
+{
+  actBack = NactBack;
+  connect(actBack->popupMenu(),SIGNAL(activated(int)),SLOT(browseBack(int)));
+  actForward = NactForward;
+  connect(actForward->popupMenu(),SIGNAL(activated(int)),SLOT(browseForward(int)));
+  actQueryCombo = NactQueryCombo;
+}
+
+
+bool QueryView::browseBackPossible() const
+{
+  return (browsePos > 0)? true:false;
+}
+
+
+bool QueryView::browseForwardPossible() const
+{
+  return (browsePos+1 < browseList.count()) ? true:false;
+}
+
+
+void QueryView::optionsChanged()
+{
+  saveCurrentResultPos();
+
+  currentHTMLHeader = QString("<html><head><style type=\"text/css\">\n");
+  currentHTMLHeader += QString("body { background-color:%1; color:%2; }\n").arg(global->backgroundColor().name()).arg(global->textColor().name());
+  currentHTMLHeader += QString("a:link, a:active { color:%1; text-decoration:none; }\n").arg(global->linksColor().name());
+  currentHTMLHeader += QString("a:visited { color:%1; text-decoration:none; }\n").arg(global->visitedLinksColor().name());
+  currentHTMLHeader += QString("a:hover { color:%1; text-decoration:underline; }\n").arg(global->linksColor().name());
+  currentHTMLHeader += QString("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());
+  if (global->headingsFont().italic())
+    currentHTMLHeader += QString("font-style:italic; ");
+  if (global->headingsFont().bold())
+    currentHTMLHeader += QString("font-weight:bold; ");
+  currentHTMLHeader += QString("}\n");
+  currentHTMLHeader += QString("p.definition { margin-left:1.5mm; margin-top:2mm; margin-bottom:2mm;}\n");
+  currentHTMLHeader += QString("table { margin-left:1.5mm; margin-top:2mm; margin-bottom:2mm;}\n");
+  currentHTMLHeader += QString("pre { font-family:%1; font-size:%2pt; ").arg(global->textFont().family()).arg(global->textFont().pointSize());
+  if (global->textFont().italic())
+    currentHTMLHeader += QString("font-style:italic; ");
+  if (global->textFont().bold())
+    currentHTMLHeader += QString("font-weight:bold; ");
+  currentHTMLHeader += QString("}\n");
+  currentHTMLHeader += QString("</style></head>\n");
+
+  showResult();         // apply changes directly
+}
+
+
+void QueryView::stop()
+{
+  if (isRendering == true) {
+    part->closeURL();
+    isRendering = false;
+    emit(renderingStopped());
+  }
+}
+
+
+// print current result
+void QueryView::printQuery()
+{
+  part->view()->print();
+}
+
+
+// save the current result in an .html file
+void QueryView::saveQuery()
+{
+  if (!browseList.isEmpty()) {
+    BrowseData* brw = browseList.at(browsePos);
+    QString fName = brw->queryText+".html";
+    fName.replace(QRegExp("[\\s/]"),"_");
+    SaveHelper helper(fName,"*.html",global->topLevel);
+    QFile *file = helper.getFile(QString::null);
+
+    if (file) {
+      QTextStream stream(file);
+      stream.setEncoding(QTextStream::Locale);
+      stream << currentHTMLHeader+brw->html;
+    }
+  }
+}
+
+
+void QueryView::browseBack()
+{
+  if (browseBackPossible()) {
+    saveCurrentResultPos();
+    browsePos--;
+    actQueryCombo->setEditText(browseList.at(browsePos)->queryText);
+    showResult();
+    updateBrowseActions();
+  }
+}
+
+
+void QueryView::browseForward()
+{
+  if (browseForwardPossible()) {
+    saveCurrentResultPos();
+    browsePos++;
+    actQueryCombo->setEditText(browseList.at(browsePos)->queryText);
+    showResult();
+    updateBrowseActions();
+  }
+}
+
+
+void QueryView::selectAll()
+{
+  part->selectAll();
+}
+
+
+void QueryView::copySelection()
+{
+  kapp->clipboard()->setText(part->selectedText());
+}
+
+
+void QueryView::showFindDialog()
+{
+  KAction *act = part->actionCollection()->action("find");
+  if (act)
+    act->activate();
+}
+
+
+void QueryView::paletteChange ( const QPalette & )
+{
+
+  optionsChanged();
+}
+
+
+void QueryView::fontChange ( const QFont & )
+{
+  optionsChanged();
+}
+
+
+void QueryView::saveCurrentResultPos()
+{
+  if (!browseList.isEmpty()) {
+    browseList.at(browsePos)->xPos = part->view()->contentsX();
+    browseList.at(browsePos)->yPos = part->view()->contentsY();
+  }
+}
+
+
+void QueryView::showResult()
+{
+  if (!isRendering) {
+    isRendering = true;
+    emit(renderingStarted());
+  }
+
+  part->begin();
+  if (browseList.isEmpty()) {
+    part->write(currentHTMLHeader+"<body></body></html>");
+    part->end();
+  } else {
+    BrowseData* brw = browseList.at(browsePos);
+    emit(newCaption(getShortString(brw->queryText.simplifyWhiteSpace(),70)));
+    part->write(currentHTMLHeader+brw->html);
+    part->end();
+    part->view()->setFocus();
+  }
+}
+
+
+void QueryView::resultReady(const QString &result, const QString &query)
+{
+  BrowseData* brw = new BrowseData(result,query);
+
+  if (browseList.isEmpty()) {
+    browsePos = 0;
+    browseList.append(brw);
+  } else {
+    saveCurrentResultPos();
+    while (browseList.count()>browsePos+1)
+      browseList.removeLast();
+    browseList.append(brw);
+    browsePos++;
+    while (browseList.count()>global->maxBrowseListEntrys) {
+      browseList.removeFirst();
+      browsePos--;
+    }
+  }
+
+  showResult();
+  emit(enablePrintSave());
+  actQueryCombo->selectAll();
+  updateBrowseActions();
+}
+
+
+void QueryView::partCompleted()
+{
+  if (!browseList.isEmpty())
+    part->view()->setContentsPos(browseList.at(browsePos)->xPos,browseList.at(browsePos)->yPos);
+  if (isRendering) {
+    emit(renderingStopped());
+    isRendering = false;
+  }
+}
+
+
+void QueryView::slotURLRequest (const KURL &url, const KParts::URLArgs &)
+{
+  QString type = url.host();
+  QString urlText = url.prettyURL();
+  urlText.remove(0,8+type.length());
+
+  if (type.length()) {             // valid url
+    if(type=="define")
+      emit(defineRequested(urlText));
+    if(type=="dbinfo")
+      interface->showDbInfo(urlText.utf8());
+    if(type=="realhttp")
+      kapp->invokeBrowser("http://"+urlText);
+    if(type=="realftp")
+      kapp->invokeBrowser("ftp://"+urlText);
+  }
+}
+
+
+void QueryView::middleButtonClicked()
+{
+  emit(clipboardRequested());
+}
+
+
+// construct the right-mouse-button-popup-menu on demand
+void QueryView::buildPopupMenu(const QString &url, const QPoint &point)
+{
+  rightBtnMenu->clear();
+
+  if (!url.isEmpty()) {                // menuitem if mouse is over link
+    KURL u(url);
+    QString type = u.host();
+    popupLink = u.prettyURL();
+    popupLink.remove(0,8+type.length());
+
+    if (type.length()) {             // valid url
+      if(type=="define") {
+        rightBtnMenu->insertItem(i18n("Define &Synonym"),
+                                 this,SLOT(popupDefineLink()));
+        rightBtnMenu->insertItem(i18n("M&atch Synonym"),
+                                 this,SLOT(popupMatchLink()));
+        rightBtnMenu->insertSeparator();
+      }
+      if(type=="dbinfo") {
+        rightBtnMenu->insertItem(i18n("D&atabase Information"),this,SLOT(popupDbInfo()));
+        rightBtnMenu->insertSeparator();
+      }
+      if(type=="realhttp") {
+        popupLink.prepend("http://");
+        rightBtnMenu->insertItem(SmallIcon("fileopen"),
+                                 i18n("&Open Link"),
+                                 this,SLOT(popupOpenLink()));
+        rightBtnMenu->insertSeparator();
+      }
+      if(type=="realftp") {
+        popupLink.prepend("ftp://");
+        rightBtnMenu->insertItem(SmallIcon("fileopen"),
+                                 i18n("&Open Link"),
+                                 this,SLOT(popupOpenLink()));
+        rightBtnMenu->insertSeparator();
+      }
+    }
+  }
+
+  if (part->hasSelection()) {
+    popupSelect = part->selectedText();
+    rightBtnMenu->insertItem(i18n("&Define Selection"),
+                             this,SLOT(popupDefineSelect()));
+    rightBtnMenu->insertItem(i18n("&Match Selection"),
+                             this,SLOT(popupMatchSelect()));
+    rightBtnMenu->insertSeparator();
+  } else {
+    kapp->clipboard()->setSelectionMode(false);
+    QString text = kapp->clipboard()->text();
+    if (text.isEmpty()) {
+      kapp->clipboard()->setSelectionMode(true);
+      text = kapp->clipboard()->text();
+    }
+    if (!text.isEmpty()) {
+      popupSelect = QApplication::clipboard()->text();
+      rightBtnMenu->insertItem(SmallIcon("define_clip"),
+                               i18n("&Define Clipboard Content"),
+                               this,SLOT(popupDefineSelect()));
+      rightBtnMenu->insertItem(i18n("&Match Clipboard Content"),
+                               this,SLOT(popupMatchSelect()));
+      rightBtnMenu->insertSeparator();
+    }
+  }
+
+  int ID;
+
+  if (browseBackPossible()) {    // if possible, show string
+    if (browseList.at(browsePos-1)->queryText.isEmpty())
+      rightBtnMenu->insertItem(SmallIcon("back"),
+                               i18n("&Back: Information"),
+                               this,SLOT(browseBack()));
+    else
+      rightBtnMenu->insertItem(SmallIcon("back"),
+                               i18n("&Back: '%1'").arg(getShortString(browseList.at(browsePos-1)->queryText,25)),
+                               this,SLOT(browseBack()));
+  } else {
+    ID = rightBtnMenu->insertItem(SmallIcon("back"), i18n("&Back"), this, SLOT(browseBack()));
+    rightBtnMenu->setItemEnabled(ID,false);
+  }
+
+  if (browseForwardPossible()) {  // if possible, show string
+    if (browseList.at(browsePos+1)->queryText.isEmpty())
+      rightBtnMenu->insertItem(SmallIcon("forward"),
+                               i18n("&Forward: Information"),
+                               this,SLOT(browseForward()));
+    else
+      rightBtnMenu->insertItem(SmallIcon("forward"),
+                               i18n("&Forward: '%1'").arg(getShortString(browseList.at(browsePos+1)->queryText,25)),
+                               this,SLOT(browseForward()));
+  } else {
+    ID = rightBtnMenu->insertItem(SmallIcon("forward"),i18n("&Forward"),this,SLOT(browseForward()));
+    rightBtnMenu->setItemEnabled(ID,false);
+  }
+
+  rightBtnMenu->popup(point);
+}
+
+
+void QueryView::popupDefineLink()
+{
+  emit(defineRequested(popupLink));
+}
+
+
+void QueryView::popupMatchLink()
+{
+  emit(matchRequested(popupLink));
+}
+
+
+void QueryView::popupOpenLink()
+{
+  kapp->invokeBrowser(popupLink);
+}
+
+
+void QueryView::popupDefineSelect()
+{
+  emit(defineRequested(popupSelect));
+}
+
+
+void QueryView::popupMatchSelect()
+{
+  emit(matchRequested(popupSelect));
+}
+
+
+void QueryView::popupDbInfo()
+{
+
+  interface->showDbInfo(popupLink.utf8());
+}
+
+
+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();
+    QTimer::singleShot(0, this, 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();
+    QTimer::singleShot(0, this, 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;
+    QString 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;
+    QString 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"