kdict/queryview.h

   1 /* -------------------------------------------------------------
   2
   3    queryview.h (part of The KDE Dictionary Client)
   4
   5    Copyright (C) 2000-2001 Christian Gebauer <gebauer@kde.org>
   6
   7    This file is distributed under the Artistic License.
   8    See LICENSE for details.
   9
  10     -------------------------------------------------------------
  11
  12     SaveHelper    network transparent file saving
  13     BrowseData    data structure used for caching definitions
  14     DictHTMLPart  handling of middle mouse button clicks
  15     QueryView     widget that displays the definitions
  16
  17  ------------------------------------------------------------- */
  18
  19 #ifndef _QUERYVIEW_H_
  20 #define _QUERYVIEW_H_
  21
  22 #include <kvbox.h>
  23 //Added by qt3to4:
  24 #include <Q3PtrList>
  25 #include <khtml_part.h>
  26
  27 class QFile;
  28 class KTemporaryFile;
  29 class KMenu;
  30 class DictComboAction;
  31 class KToolBarPopupAction;
  32
  33 QString getShortString(QString str,unsigned int length);
  34
  35
  36 //********  SaveHelper  *******************************************
  37
  38
  39 class SaveHelper {
  40
  41 public:
  42
  43   SaveHelper(const QString &saveName, const QString &filter, QWidget *parent);
  44   ~SaveHelper();
  45
  46   // returns a file open for writing
  47   QFile* getFile(const QString &dialogTitle);
  48
  49 private:
  50
  51   QWidget *p_arent;
  52   QString s_aveName, f_ilter;
  53   KUrl url;
  54   QFile* file;
  55   KTemporaryFile* tmpFile;
  56   static QString lastPath;
  57
  58 };
  59
  60
  61 //********  BrowseData  ******************************************
  62
  63
  64 class BrowseData
  65 {
  66
  67 public:
  68
  69   BrowseData(const QString &Nhtml, const QString &NqueryText);
  70
  71   QString html;
  72   QString queryText;
  73   int xPos,yPos;
  74 };
  75
  76
  77 //*********  DictHTMLPart  ***************************************
  78
  79 class DictHTMLPart : public KHTMLPart
  80 {
  81   Q_OBJECT
  82
  83 public:
  84
  85   DictHTMLPart(QWidget *parentWidget = 0, const char *widgetname = 0);
  86   ~DictHTMLPart();
  87
  88 signals:
  89   void middleButtonClicked();
  90
  91 protected:
  92
  93   virtual void khtmlMouseReleaseEvent(khtml::MouseReleaseEvent *event);
  94
  95 };
  96
  97 //*********  QueryView  ******************************************
  98
  99
 100 class QueryView : public KVBox
 101 {
 102   Q_OBJECT
 103
 104 public:
 105
 106   QueryView(QWidget *_parent = 0L);
 107   ~QueryView();
 108
 109   void setActions(KToolBarPopupAction* NactBack, KToolBarPopupAction* NactForward, DictComboAction* NactQueryCombo);
 110
 111   bool browseBackPossible() const;
 112   bool browseForwardPossible() const;
 113
 114   void stop();
 115
 116 public slots:
 117   void optionsChanged();
 118   void printQuery();
 119   void saveQuery();
 120   void browseBack();
 121   void browseForward();
 122   void selectAll();
 123   void copySelection();
 124   void showFindDialog();
 125
 126 signals:
 127
 128   void defineRequested(const QString &query);
 129   void matchRequested(const QString &query);
 130   void clipboardRequested();
 131   void enableCopy(bool selected);   // emited when the user selects/deselects text
 132   void enablePrintSave();
 133   void renderingStarted();
 134   void renderingStopped();
 135   void newCaption(const QString&);
 136
 137 protected:
 138
 139   void paletteChange ( const QPalette & );
 140   void fontChange ( const QFont & );
 141
 142   void saveCurrentResultPos();
 143   void showResult();
 144
 145 protected slots:
 146
 147   void resultReady(const QString &result, const QString &query);
 148   void partCompleted();
 149   void slotURLRequest (const KUrl &url, const KParts::URLArgs &args);
 150   void middleButtonClicked();
 151   void buildPopupMenu(const QString &url, const QPoint &point);
 152   void popupDefineLink();
 153   void popupMatchLink();
 154   void popupOpenLink();
 155   void popupDefineSelect();
 156   void popupMatchSelect();
 157   void popupDbInfo();
 158   void enableAction(const char *, bool);
 159   void browseBack(int);
 160   void browseForward(int);
 161   void updateBrowseActions();
 162
 163 private:
 164
 165   DictHTMLPart *part;               // Widgets
 166
 167   KToolBarPopupAction *actBack, *actForward;
 168   DictComboAction *actQueryCombo;
 169
 170   KMenu *rightBtnMenu;
 171   QString popupLink,popupSelect;       // needed for rightbtn-popup menu
 172
 173   Q3PtrList<BrowseData> browseList;
 174   unsigned int browsePos;              // position in browseList
 175   QString currentHTMLHeader;
 176
 177   bool isRendering;
 178 };
 179
 180 #endif