src/lyx_gui.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *          Copyright 1995 Matthias Ettrich
   7  *          Copyright 1995-2000 The LyX Team.
   8  *
   9  * ====================================================== */
  10
  11 #include <config.h>
  12 #include <cstdlib>
  13 #include <clocale>
  14
  15 #ifdef __GNUG__
  16 #pragma implementation
  17 #endif
  18
  19 #include <fcntl.h>
  20 #include "lyx_gui.h"
  21 #include FORMS_H_LOCATION
  22 #include "support/filetools.h"
  23 #include "combox.h"
  24 #include "lyx.h"
  25 #include "form1.h"
  26 #include "layout_forms.h"
  27 #include "print_form.h"
  28 #include "tex-strings.h"
  29 #include "lyx_main.h"
  30 #include "debug.h"
  31 #include "version.h"
  32 #include "LyXView.h"
  33 #include "buffer.h"
  34 #include "lyxserver.h"
  35 #include "lyxrc.h"
  36 #include "gettext.h"
  37 #include "lyx_gui_misc.h"
  38 #if FL_REVISION < 89 || (FL_REVISION == 89 && FL_FIXLEVEL < 5)
  39 #include "lyxlookup.h"
  40 #endif
  41 #include "bufferlist.h"
  42 #include "language.h"
  43 #include "ColorHandler.h"
  44 #include "frontends/Dialogs.h"
  45 #include "frontends/GUIRunTime.h"
  46 #include "frontends/xforms/xform_helpers.h" // for XformColor
  47
  48 using std::endl;
  49
  50 FD_form_character * fd_form_character;
  51 FD_form_preamble * fd_form_preamble;
  52 FD_form_sendto * fd_form_sendto;
  53 FD_form_figure * fd_form_figure;
  54 Combox * combo_language;
  55 Combox * combo_language2;
  56
  57 extern LyXServer * lyxserver;
  58 extern bool finished;   // flag, that we are quitting the program
  59 extern BufferList bufferlist;
  60 extern GUIRunTime guiruntime;
  61 extern string user_lyxdir;
  62
  63 FL_CMD_OPT cmdopt[] =
  64 {
  65         {"-geometry", "*.geometry", XrmoptionSepArg, "690x510"}
  66 };
  67
  68 static int width  = 690;
  69 static int height = 510;
  70 static int xpos   = -1;
  71 static int ypos   = -1;
  72 static char geometry[40];
  73
  74
  75 FL_resource res[] =
  76 {
  77         {"geometry", "geometryClass", FL_STRING, geometry, "", 40}
  78 };
  79
  80
  81 extern "C"
  82 int LyX_XErrHandler(Display * display, XErrorEvent * xeev)
  83 {
  84         // emergency save
  85         if (!bufferlist.empty())
  86                 bufferlist.emergencyWriteAll();
  87
  88         // Get the reason for the crash.
  89         char etxt[513];
  90         XGetErrorText(display, xeev->error_code, etxt, 512);
  91         lyxerr << etxt << endl;
  92         // By doing an abort we get a nice backtrace. (hopefully)
  93         lyx::abort();
  94         return 0; // Solaris CC wants us to return something
  95 }
  96
  97
  98 LyXGUI::LyXGUI(LyX * owner, int * argc, char * argv[], bool GUI)
  99         : _owner(owner), lyxViews(0)
 100 {
 101         gui = GUI;
 102         if (!gui)
 103                 return;
 104
 105         //
 106         setDefaults();
 107
 108         static const int num_res = sizeof(res)/sizeof(FL_resource);
 109         fl_initialize(argc, argv, "LyX", cmdopt, num_res);
 110         // It appears that, in xforms >=0.89.5, fl_initialize()
 111         // calls setlocale() and ruins our LC_NUMERIC setting.
 112         setlocale(LC_NUMERIC, "C");
 113         fl_get_app_resources(res, num_res);
 114
 115         static const int geometryBitmask =
 116                 XParseGeometry( geometry,
 117                                 &xpos,
 118                                 &ypos,
 119                                 reinterpret_cast<unsigned int *>(&width),
 120                                 reinterpret_cast<unsigned int *>(&height));
 121
 122         Display * display = fl_get_display();
 123         if (!display) {
 124                 lyxerr << "LyX: unable to access X display, exiting" << endl;
 125                 exit(1);
 126         }
 127         fcntl(ConnectionNumber(display), F_SETFD, FD_CLOEXEC);
 128         // X Error handler install goes here
 129         XSetErrorHandler(LyX_XErrHandler);
 130
 131         // A width less than 590 pops up an awkward main window
 132         // The minimal values of width/height (590/400) are defined in
 133         // src/lyx.C
 134         if (width < 590) width = 590;
 135         if (height < 400) height = 400;
 136
 137         // If width is not set by geometry, check it against monitor width
 138         if (!(geometryBitmask & 4)) {
 139                 Screen * scr = ScreenOfDisplay(fl_get_display(), fl_screen); //DefaultScreen(fl_get_display());
 140                 if (WidthOfScreen(scr) - 8 < width)
 141                         width = WidthOfScreen(scr) - 8;
 142         }
 143
 144         // If height is not set by geometry, check it against monitor height
 145         if (!(geometryBitmask & 8)) {
 146                 Screen * scr = ScreenOfDisplay(fl_get_display(), fl_screen); //DefaultScreen(fl_get_display());
 147                 if (HeightOfScreen(scr) - 24 < height)
 148                         height = HeightOfScreen(scr) - 24;
 149         }
 150
 151         // Recalculate xpos if it's negative
 152         if (geometryBitmask & 16)
 153                 xpos += WidthOfScreen(ScreenOfDisplay(fl_get_display(), fl_screen)) - width; //DefaultScreen(fl_get_display())) - width;
 154
 155         // Recalculate ypos if it's negative
 156         if (geometryBitmask & 32)
 157                 ypos += HeightOfScreen(ScreenOfDisplay(fl_get_display(), fl_screen)) - height; //DefaultScreen(fl_get_display())) - height;
 158
 159         // Initialize the LyXColorHandler
 160         lyxColorHandler = new LyXColorHandler;
 161 }
 162
 163
 164 // A destructor is always necessary  (asierra-970604)
 165 LyXGUI::~LyXGUI()
 166 {
 167         // Lyxserver was created in this class so should be destroyed
 168         // here.  asierra-970604
 169         delete lyxserver;
 170         lyxserver = 0;
 171         delete lyxViews;
 172 #if FL_REVISION < 89 || (FL_REVISION == 89 && FL_FIXLEVEL < 5)
 173         CloseLyXLookup();
 174 #endif
 175 }
 176
 177
 178 void LyXGUI::setDefaults()
 179 {
 180         GUIRunTime::setDefaults();
 181 }
 182
 183
 184 // This is called after we have parsed lyxrc
 185 void LyXGUI::init()
 186 {
 187         if (!gui)
 188                 return;
 189
 190         create_forms();
 191
 192         if (lyxrc.font_norm_menu.empty())
 193                 lyxrc.font_norm_menu = lyxrc.font_norm;
 194         // Set the font name for popups and menus
 195         string boldfontname = lyxrc.menu_font_name
 196                                + "-*-*-*-?-*-*-*-*-"
 197                                + lyxrc.font_norm_menu;
 198                 // "?" means "scale that font"
 199         string fontname = lyxrc.popup_font_name
 200                                + "-*-*-*-?-*-*-*-*-"
 201                                + lyxrc.font_norm_menu;
 202
 203         int bold = fl_set_font_name(FL_BOLD_STYLE, boldfontname.c_str());
 204         int normal = fl_set_font_name(FL_NORMAL_STYLE, fontname.c_str());
 205         if (bold < 0)
 206                 lyxerr << "Could not set menu font to "
 207                        << boldfontname << endl;
 208
 209         if (normal < 0)
 210                 lyxerr << "Could not set popup font to "
 211                        << fontname << endl;
 212
 213         if (bold < 0 && normal < 0) {
 214                 lyxerr << "Using 'helvetica' font for menus" << endl;
 215                 boldfontname = "-*-helvetica-bold-r-*-*-*-?-*-*-*-*-iso8859-1";
 216                 fontname = "-*-helvetica-medium-r-*-*-*-?-*-*-*-*-iso8859-1";
 217                 bold = fl_set_font_name(FL_BOLD_STYLE, boldfontname.c_str());
 218                 normal = fl_set_font_name(FL_NORMAL_STYLE, fontname.c_str());
 219
 220                 if (bold < 0 && normal < 0) {
 221                         lyxerr << "Could not find helvetica font. Using 'fixed'." << endl;
 222                         fl_set_font_name(FL_NORMAL_STYLE, "fixed");
 223                         normal = bold = 0;
 224                 }
 225         }
 226         if (bold < 0)
 227                 fl_set_font_name(FL_BOLD_STYLE, fontname.c_str());
 228         else if (normal < 0)
 229                 fl_set_font_name(FL_NORMAL_STYLE, boldfontname.c_str());
 230
 231         // put here (after fl_initialize) to avoid segfault. Cannot be done
 232         // in setDefaults() (Matthias 140496)
 233         // Moved from ::LyXGUI to ::init to allow popup font customization
 234         // (petr 120997).
 235         fl_setpup_fontstyle(FL_NORMAL_STYLE);
 236         fl_setpup_fontsize(FL_NORMAL_SIZE);
 237         fl_setpup_color(FL_MCOL, FL_BLACK);
 238         fl_set_goodies_font(FL_NORMAL_STYLE, FL_NORMAL_SIZE);
 239
 240         // all lyxrc settings has to be done here as lyxrc has not yet
 241         // been read when the GUI is created (Jug)
 242
 243         // the sendto form
 244         if (!lyxrc.custom_export_command.empty())
 245                 fl_set_input(fd_form_sendto->input_cmd,
 246                              lyxrc.custom_export_command.c_str());
 247         if (lyxrc.custom_export_format == "lyx")
 248                 fl_set_button(fd_form_sendto->radio_ftype_lyx, 1);
 249         else if (lyxrc.custom_export_format == "tex")
 250                 fl_set_button(fd_form_sendto->radio_ftype_latex, 1);
 251         else if (lyxrc.custom_export_format == "dvi")
 252                 fl_set_button(fd_form_sendto->radio_ftype_dvi, 1);
 253         else if (lyxrc.custom_export_format == "ps")
 254                 fl_set_button(fd_form_sendto->radio_ftype_ps, 1);
 255         else if (lyxrc.custom_export_format == "ascii")
 256                 fl_set_button(fd_form_sendto->radio_ftype_ascii, 1);
 257
 258         // Update parameters.
 259         lyxViews->redraw();
 260
 261         // Initialize the views.
 262         lyxViews->init();
 263
 264         // in 0.12 the initialisation of the LyXServer must be done here
 265         // 0.13 it should be moved again...
 266         lyxserver = new LyXServer(lyxViews->getLyXFunc(), lyxrc.lyxpipes);
 267 }
 268
 269
 270 void LyXGUI::create_forms()
 271 {
 272         lyxerr[Debug::INIT] << "Initializing LyXView..." << endl;
 273         lyxViews = new LyXView(width, height);
 274         lyxerr[Debug::INIT] << "Initializing LyXView...done" << endl;
 275
 276         // From here down should be done by somebody else. (Lgb)
 277
 278         //
 279         // Create forms
 280         //
 281
 282         // the character form
 283         fd_form_character = create_form_form_character();
 284         fl_set_form_atclose(fd_form_character->form_character,
 285                             CancelCloseBoxCB, 0);
 286         fl_addto_choice(fd_form_character->choice_family,
 287                         _(" No change %l| Roman | Sans Serif | Typewriter %l| Reset "));
 288         fl_addto_choice(fd_form_character->choice_series,
 289                         _(" No change %l| Medium | Bold %l| Reset "));
 290         fl_addto_choice(fd_form_character->choice_shape,
 291                         _(" No change %l| Upright | Italic | Slanted | Small Caps "
 292                         "%l| Reset "));
 293         fl_addto_choice(fd_form_character->choice_size,
 294                         _(" No change %l| Tiny | Smallest | Smaller | Small "
 295                         "| Normal | Large | Larger | Largest | Huge | Huger "
 296                         "%l| Increase | Decrease | Reset "));
 297         fl_addto_choice(fd_form_character->choice_bar,
 298                         _(" No change %l| Emph | Underbar | Noun | LaTeX mode %l| Reset "));
 299         fl_addto_choice(fd_form_character->choice_color,
 300                         _(" No change %l| No color | Black | White | Red | Green "
 301                         "| Blue | Cyan | Magenta | Yellow %l| Reset "));
 302         // Appears to need initialising to avoid seg fault when dialog is
 303         // launched. Over-written by combo_language2, below
 304         fl_addto_choice(fd_form_character->choice_language,
 305                         _(" English %l| German | French "));
 306         fl_set_form_minsize(fd_form_character->form_character,
 307                             fd_form_character->form_character->w,
 308                             fd_form_character->form_character->h);
 309         lyxerr[Debug::INIT] << "Initializing form_character::combox..." << endl;
 310         fl_addto_form(fd_form_character->form_character);
 311         combo_language2 = new Combox(FL_COMBOX_DROPLIST);
 312         FL_OBJECT * ob = fd_form_character->choice_language;
 313         combo_language2->add(ob->x, ob->y, ob->w, ob->h, 250);
 314         combo_language2->shortcut("#L", 1);
 315         fl_end_form();
 316         lyxerr[Debug::INIT] << "Initializing form_character...done" << endl;
 317
 318         // build up the combox entries
 319         combo_language2->addline(_("No change"));
 320         combo_language2->addline(_("Reset"));
 321         for (Languages::const_iterator cit = languages.begin();
 322             cit != languages.end(); ++cit) {
 323 #ifdef DO_USE_DEFAULT_LANGUAGE
 324             if ((*cit).second.lang() != "default")
 325 #endif
 326                 combo_language2->addto((*cit).second.lang());
 327         }
 328
 329         // the preamble form
 330         fd_form_preamble = create_form_form_preamble();
 331         fl_set_form_atclose(fd_form_preamble->form_preamble,
 332                             CancelCloseBoxCB, 0);
 333
 334         // the sendto form
 335         fd_form_sendto = create_form_form_sendto();
 336         fl_set_form_atclose(fd_form_sendto->form_sendto, CancelCloseBoxCB, 0);
 337
 338         // the figure form
 339         fd_form_figure = create_form_form_figure();
 340         fl_set_form_atclose(fd_form_figure->form_figure,
 341                             CancelCloseBoxCB, 0);
 342         fl_set_button(fd_form_figure->radio_postscript, 1);
 343
 344         // This is probably as good a time as any to map the xform colours,
 345         // should a mapping exist.
 346         {
 347                 string filename = AddName(user_lyxdir, "preferences.xform");
 348                 XformColor::read( filename );
 349         }
 350
 351         // Show the main & title form
 352         int main_placement = FL_PLACE_CENTER | FL_FREE_SIZE;
 353         // Did we get a valid position?
 354         if (xpos >= 0 && ypos >= 0) {
 355                 lyxViews->setPosition(xpos, ypos);
 356                 main_placement = FL_PLACE_POSITION;
 357         }
 358
 359         lyxViews->show(main_placement, FL_FULLBORDER, "LyX");
 360
 361         if (lyxrc.show_banner)
 362                 lyxViews->getDialogs()->showSplash();
 363 }
 364
 365
 366 void LyXGUI::runTime()
 367 {
 368         if (!gui) return;
 369
 370         guiruntime.runTime();
 371 }
 372
 373
 374 void LyXGUI::regBuf(Buffer * b)
 375 {
 376         lyxViews->view()->buffer(b);
 377 }
 378
 379
 380 LyXView * LyXGUI::getLyXView() const
 381 {
 382         return lyxViews;
 383 }