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