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