lyx_mirror/src/lyx_gui.C

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/* This file is part of
* ======================================================
*
* LyX, The Document Processor
*
* Copyright 1995 Matthias Ettrich
* Copyright 1995-2001 The LyX Team.
*
* ====================================================== */
#include <config.h>
#ifdef __GNUG__
#pragma implementation
#endif
#include "lyx_gui.h"
#include FORMS_H_LOCATION
#include "figure_form.h"
#include "print_form.h"
#include "tex-strings.h"
#include "lyx_main.h"
#include "debug.h"
#include "version.h"
#include "LyXView.h"
#include "buffer.h"
#include "BufferView.h"
#include "lyxserver.h"
#include "lyxrc.h"
#include "gettext.h"
#include "lyx_gui_misc.h"
#if FL_REVISION < 89 || (FL_REVISION == 89 && FL_FIXLEVEL < 5)
#include "lyxlookup.h"
#endif
#include "bufferlist.h"
#include "ColorHandler.h"
#include "frontends/GUIRunTime.h"
#include "frontends/xforms/xforms_helpers.h" // for XformColor
#include "support/filetools.h"
#include "support/os.h"
#include "support/lyxlib.h"
#include <cstdlib>
#include <fcntl.h>
using std::endl;
FD_form_sendto * fd_form_sendto;
FD_form_figure * fd_form_figure;
extern LyXServer * lyxserver;
extern bool finished; // flag, that we are quitting the program
extern BufferList bufferlist;
extern string user_lyxdir;
FL_CMD_OPT cmdopt[] =
{
{"-geometry", "*.geometry", XrmoptionSepArg, "690x510"}
};
namespace {
int width = 690;
int height = 510;
int xpos = -1;
int ypos = -1;
char geometry[40];
} // namespace anon
FL_resource res[] =
{
{"geometry", "geometryClass", FL_STRING, geometry, "", 40}
};
extern "C" {
static
int LyX_XErrHandler(Display * display, XErrorEvent * xeev)
{
// emergency cleanup
LyX::emergencyCleanup();
// Get the reason for the crash.
char etxt[513];
XGetErrorText(display, xeev->error_code, etxt, 512);
lyxerr << etxt << endl;
// By doing an abort we get a nice backtrace. (hopefully)
lyx::abort();
return 0; // Solaris CC wants us to return something
}
}
LyXGUI::LyXGUI(LyX * owner, int * argc, char * argv[], bool GUI)
: _owner(owner), lyxViews(0)
{
gui = GUI;
if (!gui)
return;
//
setDefaults();
static const int num_res = sizeof(res)/sizeof(FL_resource);
fl_initialize(argc, argv, "LyX", cmdopt, num_res);
// It appears that, in xforms >=0.89.5, fl_initialize()
// calls setlocale() and ruins our LC_NUMERIC setting.
locale_init();
fl_get_app_resources(res, num_res);
static const int geometryBitmask =
XParseGeometry( geometry,
&xpos,
&ypos,
reinterpret_cast<unsigned int *>(&width),
reinterpret_cast<unsigned int *>(&height));
Display * display = fl_get_display();
if (!display) {
lyxerr << "LyX: unable to access X display, exiting" << endl;
os::warn("Unable to access X display, exiting");
exit(1);
}
fcntl(ConnectionNumber(display), F_SETFD, FD_CLOEXEC);
// X Error handler install goes here
XSetErrorHandler(LyX_XErrHandler);
// A width less than 590 pops up an awkward main window
// The minimal values of width/height (590/400) are defined in
// src/lyx.C
if (width < 590) width = 590;
if (height < 400) height = 400;
// If width is not set by geometry, check it against monitor width
if (!(geometryBitmask & 4)) {
Screen * scr = ScreenOfDisplay(fl_get_display(), fl_screen);
if (WidthOfScreen(scr) - 8 < width)
width = WidthOfScreen(scr) - 8;
}
// If height is not set by geometry, check it against monitor height
if (!(geometryBitmask & 8)) {
Screen * scr = ScreenOfDisplay(fl_get_display(), fl_screen);
if (HeightOfScreen(scr) - 24 < height)
height = HeightOfScreen(scr) - 24;
}
// Recalculate xpos if it's negative
if (geometryBitmask & 16)
xpos += WidthOfScreen(ScreenOfDisplay(fl_get_display(),
fl_screen)) - width;
// Recalculate ypos if it's negative
if (geometryBitmask & 32)
ypos += HeightOfScreen(ScreenOfDisplay(fl_get_display(),
fl_screen)) - height;
// Initialize the LyXColorHandler
lyxColorHandler.reset(new LyXColorHandler);
}
// A destructor is always necessary (asierra-970604)
LyXGUI::~LyXGUI()
{
// Lyxserver was created in this class so should be destroyed
// here. asierra-970604
delete lyxserver;
lyxserver = 0;
delete lyxViews;
#if FL_REVISION < 89 || (FL_REVISION == 89 && FL_FIXLEVEL < 5)
CloseLyXLookup();
#endif
}
void LyXGUI::setDefaults()
{
GUIRunTime::setDefaults();
}
// This is called after we have parsed lyxrc
void LyXGUI::init()
{
if (!gui)
return;
create_forms();
if (lyxrc.font_norm_menu.empty())
lyxrc.font_norm_menu = lyxrc.font_norm;
// Set the font name for popups and menus
string boldfontname = lyxrc.menu_font_name
+ "-*-*-*-?-*-*-*-*-"
+ lyxrc.font_norm_menu;
// "?" means "scale that font"
string fontname = lyxrc.popup_font_name
+ "-*-*-*-?-*-*-*-*-"
+ lyxrc.font_norm_menu;
int bold = fl_set_font_name(FL_BOLD_STYLE, boldfontname.c_str());
int normal = fl_set_font_name(FL_NORMAL_STYLE, fontname.c_str());
if (bold < 0)
lyxerr << "Could not set menu font to "
<< boldfontname << endl;
if (normal < 0)
lyxerr << "Could not set popup font to "
<< fontname << endl;
if (bold < 0 && normal < 0) {
lyxerr << "Using 'helvetica' font for menus" << endl;
boldfontname = "-*-helvetica-bold-r-*-*-*-?-*-*-*-*-iso8859-1";
fontname = "-*-helvetica-medium-r-*-*-*-?-*-*-*-*-iso8859-1";
bold = fl_set_font_name(FL_BOLD_STYLE, boldfontname.c_str());
normal = fl_set_font_name(FL_NORMAL_STYLE, fontname.c_str());
if (bold < 0 && normal < 0) {
lyxerr << "Could not find helvetica font. Using 'fixed'." << endl;
fl_set_font_name(FL_NORMAL_STYLE, "fixed");
normal = bold = 0;
}
}
if (bold < 0)
fl_set_font_name(FL_BOLD_STYLE, fontname.c_str());
else if (normal < 0)
fl_set_font_name(FL_NORMAL_STYLE, boldfontname.c_str());
// put here (after fl_initialize) to avoid segfault. Cannot be done
// in setDefaults() (Matthias 140496)
// Moved from ::LyXGUI to ::init to allow popup font customization
// (petr 120997).
fl_setpup_fontstyle(FL_BOLD_STYLE);
fl_setpup_fontsize(FL_NORMAL_SIZE);
fl_setpup_color(FL_MCOL, FL_BLACK);
fl_set_goodies_font(FL_NORMAL_STYLE, FL_NORMAL_SIZE);
// all lyxrc settings has to be done here as lyxrc has not yet
// been read when the GUI is created (Jug)
// the sendto form
if (!lyxrc.custom_export_command.empty())
fl_set_input(fd_form_sendto->input_cmd,
lyxrc.custom_export_command.c_str());
if (lyxrc.custom_export_format == "lyx")
fl_set_button(fd_form_sendto->radio_ftype_lyx, 1);
else if (lyxrc.custom_export_format == "tex")
fl_set_button(fd_form_sendto->radio_ftype_latex, 1);
else if (lyxrc.custom_export_format == "dvi")
fl_set_button(fd_form_sendto->radio_ftype_dvi, 1);
else if (lyxrc.custom_export_format == "ps")
fl_set_button(fd_form_sendto->radio_ftype_ps, 1);
else if (lyxrc.custom_export_format == "ascii")
fl_set_button(fd_form_sendto->radio_ftype_ascii, 1);
// Update parameters.
lyxViews->redraw();
// Initialize the views.
lyxViews->init();
// in 0.12 the initialisation of the LyXServer must be done here
// 0.13 it should be moved again...
lyxserver = new LyXServer(lyxViews->getLyXFunc(), lyxrc.lyxpipes);
}
void LyXGUI::create_forms()
{
lyxerr[Debug::INIT] << "Initializing LyXView..." << endl;
lyxViews = GUIRunTime::createMainView(width, height);
lyxerr[Debug::INIT] << "Initializing LyXView...done" << endl;
// From here down should be done by somebody else. (Lgb)
//
// Create forms
//
// the sendto form
fd_form_sendto = create_form_form_sendto();
fl_set_form_atclose(fd_form_sendto->form_sendto, CancelCloseBoxCB, 0);
// the figure form
fd_form_figure = create_form_form_figure();
fl_set_form_atclose(fd_form_figure->form_figure,
CancelCloseBoxCB, 0);
fl_set_button(fd_form_figure->radio_postscript, 1);
// This is probably as good a time as any to map the xform colours,
// should a mapping exist.
string const filename = AddName(user_lyxdir, "preferences.xform");
XformsColor::read( filename );
// Show the main & title form
int main_placement = FL_PLACE_CENTER | FL_FREE_SIZE;
// Did we get a valid position?
if (xpos >= 0 && ypos >= 0) {
lyxViews->setPosition(xpos, ypos);
main_placement = FL_PLACE_POSITION;
}
lyxViews->show(main_placement, FL_FULLBORDER, "LyX");
}
void LyXGUI::runTime()
{
if (!gui) return;
GUIRunTime::runTime();
}
void LyXGUI::regBuf(Buffer * b)
{
lyxViews->view()->buffer(b);
}
LyXView * LyXGUI::getLyXView() const
{
return lyxViews;
}