src/frontends/gtk/GuiApplication.C

   1 /**
   2  * \file qt4/GuiApplication.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 // Too hard to make concept checks work with this file
  16 #ifdef _GLIBCXX_CONCEPT_CHECKS
  17 #undef _GLIBCXX_CONCEPT_CHECKS
  18 #endif
  19 #ifdef _GLIBCPP_CONCEPT_CHECKS
  20 #undef _GLIBCPP_CONCEPT_CHECKS
  21 #endif
  22
  23 #include "GuiApplication.h"
  24
  25 #include "GView.h"
  26 #include "GuiWorkArea.h"
  27 #include "GtkmmX.h"
  28
  29 #include "BufferView.h"
  30
  31 #include "graphics/LoaderQueue.h"
  32
  33 #include "support/lstrings.h"
  34 #include "support/os.h"
  35 #include "support/package.h"
  36
  37 #include "lyx_main.h"
  38 #include "lyxrc.h"
  39 #include "debug.h"
  40
  41 #include <gtkmm.h>
  42
  43 #include "LyXGdkImage.h"
  44
  45
  46 using lyx::support::subst;
  47
  48 using std::string;
  49 using std::endl;
  50
  51
  52 namespace {
  53
  54 /// estimate DPI from X server
  55 int getDPI()
  56 {
  57         //TODO use GDK instead
  58         Screen * scr = ScreenOfDisplay(getDisplay(), getScreen());
  59         return int(((HeightOfScreen(scr) * 25.4 / HeightMMOfScreen(scr)) +
  60                 (WidthOfScreen(scr) * 25.4 / WidthMMOfScreen(scr))) / 2);
  61 }
  62
  63 } // namespace anon
  64
  65
  66 namespace lyx {
  67 namespace frontend {
  68
  69 GuiApplication::GuiApplication(int & argc, char ** argv)
  70         : Gtk::Main(argc, argv), Application(argc, argv)
  71 {
  72         using namespace lyx::graphics;
  73         Image::newImage = boost::bind(&LyXGdkImage::newImage);
  74         Image::loadableFormats = boost::bind(&LyXGdkImage::loadableFormats);
  75
  76         // needs to be done before reading lyxrc
  77         lyxrc.dpi = getDPI();
  78
  79         LoaderQueue::setPriority(10,100);
  80 }
  81
  82
  83 Clipboard& GuiApplication::clipboard()
  84 {
  85         return clipboard_;
  86 }
  87
  88
  89 Selection& GuiApplication::selection()
  90 {
  91         return selection_;
  92 }
  93
  94
  95 int const GuiApplication::exec()
  96 {
  97         run();
  98         return EXIT_SUCCESS;
  99 }
 100
 101
 102 void GuiApplication::exit(int /*status*/)
 103 {
 104         // FIXME: Don't ignore status
 105         guiApp->quit();
 106 }
 107
 108
 109 // FIXME: this whole method needs to be moved to Application.
 110 LyXView & GuiApplication::createView(unsigned int width,
 111                                                                           unsigned int height,
 112                                                                           int posx, int posy,
 113                                                                           bool maximize)
 114 {
 115         // FIXME: for now we assume that there is only one LyXView with id = 0.
 116         /*int workArea_id_ =*/ gui().newWorkArea(width, height, 0);
 117         //WorkArea * workArea_ = & theApp->gui().workArea(workArea_id_);
 118
 119         int view_id = gui().newView(width, height);
 120         GView & view = static_cast<GView &>(gui().view(view_id));
 121
 122         lyxfunc_.reset(new LyXFunc(&view));
 123
 124         LyX::ref().addLyXView(&view);
 125
 126         view.show();
 127         view.init();
 128
 129         return view;
 130 }
 131
 132 } // namespace frontend
 133 } // namespace lyx