lyx_mirror/src/frontends/qt2/lyx_gui.C

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/**
* \file qt2/lyx_gui.C
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author unknown
* \author John Levon
*
* Full author contact details are available in file CREDITS
*/
#include <config.h>
#ifdef __GNUG__
#pragma implementation
#endif
#include "support/lyxlib.h"
#include "support/os.h"
#include "support/filetools.h"
#include "support/lstrings.h"
#include "debug.h"
#include "qt_helpers.h"
#include "lyx_gui.h"
#include "lyx_main.h"
#include "lyxrc.h"
#include "lyxfont.h"
// FIXME: move this stuff out again
#include "bufferlist.h"
#include "lyxfunc.h"
#include "lyxserver.h"
#include "BufferView.h"
// Dear Lord, deliver us from Evil,
// aka the Qt headers
#include <boost/shared_ptr.hpp>
#include <boost/function/function0.hpp>
#include <boost/signals/signal1.hpp>
#include <boost/bind.hpp>
#include "QtView.h"
#include "QLImage.h"
#include "qfont_loader.h"
#include "io_callback.h"
#include <qapplication.h>
#include <qwidget.h>
#include <qpaintdevicemetrics.h>
#include <fcntl.h>
#ifndef CXX_GLOBAL_CSTD
using std::exit;
#endif
using std::vector;
using std::map;
using std::endl;
extern BufferList bufferlist;
namespace {
float getDPI()
{
QWidget w;
QPaintDeviceMetrics pdm(&w);
return 0.5 * (pdm.logicalDpiX() + pdm.logicalDpiY());
}
map<int, io_callback *> io_callbacks;
} // namespace anon
// FIXME: wrong place !
LyXServer * lyxserver;
#ifdef Q_WS_X11
extern bool lyxX11EventFilter(XEvent * xev);
#endif
class LQApplication : public QApplication
{
public:
LQApplication(int &argc, char **argv);
~LQApplication();
#ifdef Q_WS_X11
bool x11EventFilter (XEvent * ev) { return lyxX11EventFilter(ev); }
#endif
};
LQApplication::LQApplication(int &argc, char **argv)
: QApplication( argc, argv )
{}
LQApplication::~LQApplication()
{}
void lyx_gui::parse_init(int & argc, char * argv[])
{
static LQApplication a(argc, argv);
using namespace grfx;
Image::newImage = boost::bind(&QLImage::newImage);
Image::loadableFormats = boost::bind(&QLImage::loadableFormats);
// needs to be done before reading lyxrc
lyxrc.dpi = getDPI();
}
void lyx_gui::parse_lyxrc()
{
}
void lyx_gui::start(string const & batch, vector<string> const & files)
{
// initial geometry
int xpos = -1;
int ypos = -1;
unsigned int width = 690;
unsigned int height = 510;
QtView view(width, height);
view.show(xpos, ypos, "LyX");
view.init();
Buffer * last = 0;
// FIXME: some code below needs moving
lyxserver = new LyXServer(&view.getLyXFunc(), lyxrc.lyxpipes);
vector<string>::const_iterator cit = files.begin();
vector<string>::const_iterator end = files.end();
for (; cit != end; ++cit) {
Buffer * b = bufferlist.loadLyXFile(*cit);
if (b) {
last = b;
}
}
// switch to the last buffer successfully loaded
if (last) {
view.view()->buffer(last);
}
// handle the batch commands the user asked for
if (!batch.empty()) {
view.getLyXFunc().dispatch(batch);
}
qApp->exec();
// FIXME
delete lyxserver;
}
void lyx_gui::exit()
{
qApp->exit(0);
}
string const lyx_gui::hexname(LColor::color col)
{
QColor color(toqstr(lcolor.getX11Name(col)));
return ltrim(fromqstr(color.name()), "#");
}
void lyx_gui::update_color(LColor::color)
{
// no need
}
void lyx_gui::update_fonts()
{
fontloader.update();
}
bool lyx_gui::font_available(LyXFont const & font)
{
return fontloader.available(font);
}
void lyx_gui::set_read_callback(int fd, LyXComm * comm)
{
io_callbacks[fd] = new io_callback(fd, comm);
}
void lyx_gui::remove_read_callback(int fd)
{
map<int, io_callback *>::iterator it = io_callbacks.find(fd);
if (it != io_callbacks.end()) {
delete it->second;
io_callbacks.erase(it);
}
}