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), work_area_(NULL)
  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 void Application::connect(GuiWorkArea * work_area)
  63 {
  64         work_area_ = work_area;
  65 }
  66
  67
  68 ////////////////////////////////////////////////////////////////////////
  69 // X11 specific stuff goes here...
  70 #ifdef Q_WS_X11
  71 bool Application::x11EventFilter(XEvent * xev)
  72 {
  73         switch (xev->type) {
  74         case SelectionRequest:
  75                 lyxerr[Debug::GUI] << "X requested selection." << endl;
  76                 if (work_area_)
  77                         work_area_->view().view()->selectionRequested();
  78                 break;
  79         case SelectionClear:
  80                 lyxerr[Debug::GUI] << "Lost selection." << endl;
  81                 if (work_area_)
  82                         work_area_->view().view()->selectionLost();
  83                 break;
  84         }
  85         return false;
  86 }
  87 #endif
  88
  89
  90 ////////////////////////////////////////////////////////////////////////
  91 // Mac OSX specific stuff goes here...
  92
  93 #ifdef Q_WS_MACX
  94 namespace{
  95 OSErr checkAppleEventForMissingParams(const AppleEvent& theAppleEvent)
  96  {
  97         DescType returnedType;
  98         Size actualSize;
  99         OSErr err = AEGetAttributePtr(&theAppleEvent, keyMissedKeywordAttr,
 100                                       typeWildCard, &returnedType, nil, 0,
 101                                       &actualSize);
 102         switch (err) {
 103         case errAEDescNotFound:
 104                 return noErr;
 105         case noErr:
 106                 return errAEEventNotHandled;
 107         default:
 108                 return err;
 109         }
 110  }
 111 } // namespace
 112
 113 OSErr Application::handleOpenDocuments(const AppleEvent* inEvent,
 114                                        AppleEvent* /*reply*/, long /*refCon*/)
 115 {
 116         QString s_arg;
 117         AEDescList documentList;
 118         OSErr err = AEGetParamDesc(inEvent, keyDirectObject, typeAEList,
 119                                    &documentList);
 120         if (err != noErr)
 121                 return err;
 122
 123         err = checkAppleEventForMissingParams(*inEvent);
 124         if (err == noErr) {
 125                 long documentCount;
 126                 err = AECountItems(&documentList, &documentCount);
 127                 for (long documentIndex = 1;
 128                      err == noErr && documentIndex <= documentCount;
 129                      documentIndex++) {
 130                         DescType returnedType;
 131                         Size actualSize;
 132                         AEKeyword keyword;
 133                         FSRef ref;
 134                         char qstr_buf[1024];
 135                         err = AESizeOfNthItem(&documentList, documentIndex,
 136                                               &returnedType, &actualSize);
 137                         if (err == noErr) {
 138                                 err = AEGetNthPtr(&documentList, documentIndex,
 139                                                   typeFSRef, &keyword,
 140                                                   &returnedType, (Ptr)&ref,
 141                                                   sizeof(FSRef), &actualSize);
 142                                 if (err == noErr) {
 143                                         FSRefMakePath(&ref, (UInt8*)qstr_buf,
 144                                                       1024);
 145                                         s_arg=QString::fromUtf8(qstr_buf);
 146                                         work_area_->view().view()->workAreaDispatch(
 147                                                 FuncRequest(LFUN_FILE_OPEN,
 148                                                             fromqstr(s_arg)));
 149                                         break;
 150                                 }
 151                         }
 152                 } // for ...
 153         }
 154         AEDisposeDesc(&documentList);
 155
 156         return err;
 157 }
 158
 159 bool Application::macEventFilter(EventRef event)
 160 {
 161         if (GetEventClass(event) == kEventClassAppleEvent) {
 162                 EventRecord eventrec;
 163                 ConvertEventRefToEventRecord(event, &eventrec);
 164                 AEProcessAppleEvent(&eventrec);
 165
 166                 return false;
 167         }
 168         return false;
 169 }
 170
 171 #endif  // Q_WS_MACX
 172
 173 } // namespace frontend
 174 } // namespace lyx