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