src/frontends/qt4/Application.C

   1 /**
   2  * \file qt4/Application.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author unknown
   7  * \author John Levon
   8  * \author Abdelrazak Younes
   9  *
  10  * Full author contact details are available in file CREDITS.
  11  */
  12
  13 #include <config.h>
  14
  15 #include "GuiWorkArea.h"
  16 #include "Application.h"
  17
  18 #include "qt_helpers.h"
  19 #include "BufferView.h"
  20 #include "debug.h"
  21 #include "support/lstrings.h"
  22
  23 #include <QApplication>
  24 #include <QEventLoop>
  25 #include <QTranslator>
  26 #include <QTextCodec>
  27 #include <QClipboard>
  28
  29 #ifdef Q_WS_X11
  30 #include <X11/Xlib.h>
  31 #endif
  32
  33 using lyx::support::subst;
  34
  35 using std::string;
  36 using std::endl;
  37
  38 ///////////////////////////////////////////////////////////////
  39 // You can find other X11 and MACX specific stuff
  40 // at the end of this file...
  41 ///////////////////////////////////////////////////////////////
  42
  43 namespace lyx {
  44 namespace frontend {
  45
  46 Application::Application(int & argc, char ** argv)
  47         : QApplication(argc, argv), buffer_view_(0)
  48 {
  49 #ifdef Q_WS_X11
  50         // doubleClickInterval() is 400 ms on X11 witch is just too long.
  51         // On Windows and Mac OS X, the operating system's value is used.
  52         // On Microsoft Windows, calling this function sets the double
  53         // click interval for all applications. So we don't!
  54         QApplication::setDoubleClickInterval(300);
  55 #endif
  56
  57 #ifdef Q_WS_MACX
  58         AEInstallEventHandler(kCoreEventClass, kAEOpenDocuments,
  59                               NewAEEventHandlerUPP(handleOpenDocuments),
  60                               0, false);
  61 #endif
  62 }
  63
  64
  65 void Application::setBufferView(BufferView * buffer_view)
  66 {
  67         buffer_view_ = buffer_view;
  68 }
  69
  70
  71 ////////////////////////////////////////////////////////////////////////
  72 // X11 specific stuff goes here...
  73 #ifdef Q_WS_X11
  74 bool Application::x11EventFilter(XEvent * xev)
  75 {
  76         switch (xev->type) {
  77         case SelectionRequest:
  78                 lyxerr[Debug::GUI] << "X requested selection." << endl;
  79                 if (buffer_view_)
  80                         buffer_view_->selectionRequested();
  81                 break;
  82         case SelectionClear:
  83                 lyxerr[Debug::GUI] << "Lost selection." << endl;
  84                 if (buffer_view_)
  85                         buffer_view_->selectionLost();
  86                 break;
  87         }
  88         return false;
  89 }
  90 #endif
  91
  92
  93 ////////////////////////////////////////////////////////////////////////
  94 // Mac OSX specific stuff goes here...
  95
  96 #ifdef Q_WS_MACX
  97 namespace{
  98 OSErr checkAppleEventForMissingParams(const AppleEvent& theAppleEvent)
  99  {
 100         DescType returnedType;
 101         Size actualSize;
 102         OSErr err = AEGetAttributePtr(&theAppleEvent, keyMissedKeywordAttr,
 103                                       typeWildCard, &returnedType, nil, 0,
 104                                       &actualSize);
 105         switch (err) {
 106         case errAEDescNotFound:
 107                 return noErr;
 108         case noErr:
 109                 return errAEEventNotHandled;
 110         default:
 111                 return err;
 112         }
 113  }
 114 } // namespace
 115
 116 OSErr Application::handleOpenDocuments(const AppleEvent* inEvent,
 117                                        AppleEvent* /*reply*/, long /*refCon*/)
 118 {
 119         QString s_arg;
 120         AEDescList documentList;
 121         OSErr err = AEGetParamDesc(inEvent, keyDirectObject, typeAEList,
 122                                    &documentList);
 123         if (err != noErr)
 124                 return err;
 125
 126         err = checkAppleEventForMissingParams(*inEvent);
 127         if (err == noErr) {
 128                 long documentCount;
 129                 err = AECountItems(&documentList, &documentCount);
 130                 for (long documentIndex = 1;
 131                      err == noErr && documentIndex <= documentCount;
 132                      documentIndex++) {
 133                         DescType returnedType;
 134                         Size actualSize;
 135                         AEKeyword keyword;
 136                         FSRef ref;
 137                         char qstr_buf[1024];
 138                         err = AESizeOfNthItem(&documentList, documentIndex,
 139                                               &returnedType, &actualSize);
 140                         if (err == noErr) {
 141                                 err = AEGetNthPtr(&documentList, documentIndex,
 142                                                   typeFSRef, &keyword,
 143                                                   &returnedType, (Ptr)&ref,
 144                                                   sizeof(FSRef), &actualSize);
 145                                 if (err == noErr) {
 146                                         FSRefMakePath(&ref, (UInt8*)qstr_buf,
 147                                                       1024);
 148                                         s_arg=QString::fromUtf8(qstr_buf);
 149 //                                      buffer_view_->workAreaDispatch(
 150 //                                              FuncRequest(LFUN_FILE_OPEN,
 151 //                                                          fromqstr(s_arg)));
 152                                         break;
 153                                 }
 154                         }
 155                 } // for ...
 156         }
 157         AEDisposeDesc(&documentList);
 158
 159         return err;
 160 }
 161
 162 bool Application::macEventFilter(EventRef event)
 163 {
 164         if (GetEventClass(event) == kEventClassAppleEvent) {
 165                 EventRecord eventrec;
 166                 ConvertEventRefToEventRecord(event, &eventrec);
 167                 AEProcessAppleEvent(&eventrec);
 168
 169                 return false;
 170         }
 171         return false;
 172 }
 173
 174 #endif  // Q_WS_MACX
 175
 176 } // namespace frontend
 177 } // namespace lyx