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 "Application.h"
  16
  17 #include "GuiWorkArea.h"
  18
  19 #include "qt_helpers.h"
  20
  21 #include "BufferView.h"
  22 #include "debug.h"
  23
  24 #include "support/lstrings.h"
  25
  26 #include <QApplication>
  27 #include <QEventLoop>
  28 #include <QTranslator>
  29 #include <QTextCodec>
  30 #include <QClipboard>
  31
  32 #ifdef Q_WS_X11
  33 #include <X11/Xlib.h>
  34 #endif
  35
  36 using lyx::support::subst;
  37
  38 using std::string;
  39 using std::endl;
  40
  41 ///////////////////////////////////////////////////////////////
  42 // You can find other X11 and MACX specific stuff
  43 // at the end of this file...
  44 ///////////////////////////////////////////////////////////////
  45
  46 namespace lyx {
  47 namespace frontend {
  48
  49 Application::Application(int & argc, char ** argv)
  50         : QApplication(argc, argv), buffer_view_(0)
  51 {
  52 #ifdef Q_WS_X11
  53         // doubleClickInterval() is 400 ms on X11 witch is just too long.
  54         // On Windows and Mac OS X, the operating system's value is used.
  55         // On Microsoft Windows, calling this function sets the double
  56         // click interval for all applications. So we don't!
  57         QApplication::setDoubleClickInterval(300);
  58 #endif
  59
  60 #ifdef Q_WS_MACX
  61         AEInstallEventHandler(kCoreEventClass, kAEOpenDocuments,
  62                               NewAEEventHandlerUPP(handleOpenDocuments),
  63                               0, false);
  64 #endif
  65 }
  66
  67
  68 void Application::setBufferView(BufferView * buffer_view)
  69 {
  70         buffer_view_ = buffer_view;
  71 }
  72
  73
  74 ////////////////////////////////////////////////////////////////////////
  75 // X11 specific stuff goes here...
  76 #ifdef Q_WS_X11
  77 bool Application::x11EventFilter(XEvent * xev)
  78 {
  79         switch (xev->type) {
  80         case SelectionRequest:
  81                 lyxerr[Debug::GUI] << "X requested selection." << endl;
  82                 if (buffer_view_)
  83                         buffer_view_->selectionRequested();
  84                 break;
  85         case SelectionClear:
  86                 lyxerr[Debug::GUI] << "Lost selection." << endl;
  87                 if (buffer_view_)
  88                         buffer_view_->selectionLost();
  89                 break;
  90         }
  91         return false;
  92 }
  93 #endif
  94
  95
  96 ////////////////////////////////////////////////////////////////////////
  97 // Mac OSX specific stuff goes here...
  98
  99 #ifdef Q_WS_MACX
 100 namespace{
 101 OSErr checkAppleEventForMissingParams(const AppleEvent& theAppleEvent)
 102  {
 103         DescType returnedType;
 104         Size actualSize;
 105         OSErr err = AEGetAttributePtr(&theAppleEvent, keyMissedKeywordAttr,
 106                                       typeWildCard, &returnedType, nil, 0,
 107                                       &actualSize);
 108         switch (err) {
 109         case errAEDescNotFound:
 110                 return noErr;
 111         case noErr:
 112                 return errAEEventNotHandled;
 113         default:
 114                 return err;
 115         }
 116  }
 117 } // namespace
 118
 119 OSErr Application::handleOpenDocuments(const AppleEvent* inEvent,
 120                                        AppleEvent* /*reply*/, long /*refCon*/)
 121 {
 122         QString s_arg;
 123         AEDescList documentList;
 124         OSErr err = AEGetParamDesc(inEvent, keyDirectObject, typeAEList,
 125                                    &documentList);
 126         if (err != noErr)
 127                 return err;
 128
 129         err = checkAppleEventForMissingParams(*inEvent);
 130         if (err == noErr) {
 131                 long documentCount;
 132                 err = AECountItems(&documentList, &documentCount);
 133                 for (long documentIndex = 1;
 134                      err == noErr && documentIndex <= documentCount;
 135                      documentIndex++) {
 136                         DescType returnedType;
 137                         Size actualSize;
 138                         AEKeyword keyword;
 139                         FSRef ref;
 140                         char qstr_buf[1024];
 141                         err = AESizeOfNthItem(&documentList, documentIndex,
 142                                               &returnedType, &actualSize);
 143                         if (err == noErr) {
 144                                 err = AEGetNthPtr(&documentList, documentIndex,
 145                                                   typeFSRef, &keyword,
 146                                                   &returnedType, (Ptr)&ref,
 147                                                   sizeof(FSRef), &actualSize);
 148                                 if (err == noErr) {
 149                                         FSRefMakePath(&ref, (UInt8*)qstr_buf,
 150                                                       1024);
 151                                         s_arg=QString::fromUtf8(qstr_buf);
 152 //                                      buffer_view_->workAreaDispatch(
 153 //                                              FuncRequest(LFUN_FILE_OPEN,
 154 //                                                          fromqstr(s_arg)));
 155                                         break;
 156                                 }
 157                         }
 158                 } // for ...
 159         }
 160         AEDisposeDesc(&documentList);
 161
 162         return err;
 163 }
 164
 165 bool Application::macEventFilter(EventRef event)
 166 {
 167         if (GetEventClass(event) == kEventClassAppleEvent) {
 168                 EventRecord eventrec;
 169                 ConvertEventRefToEventRecord(event, &eventrec);
 170                 AEProcessAppleEvent(&eventrec);
 171
 172                 return false;
 173         }
 174         return false;
 175 }
 176
 177 #endif  // Q_WS_MACX
 178
 179 } // namespace frontend
 180 } // namespace lyx