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 "log_form.h"
  31 #include "debug.h"
  32 #include "version.h"
  33 #include "LyXView.h"
  34 #include "buffer.h"
  35 #include "lyxserver.h"
  36 #include "lyxrc.h"
  37 #include "gettext.h"
  38 #include "lyx_gui_misc.h"
  39 #if FL_REVISION < 89 || (FL_REVISION == 89 && FL_FIXLEVEL < 5)
  40 #include "lyxlookup.h"
  41 #endif
  42 #include "bufferlist.h"
  43 #include "language.h"
  44 #include "ColorHandler.h"
  45 #include "frontends/GUIRunTime.h"
  46 #include "frontends/xforms/xform_helpers.h" // for XformColor
  47
  48 using std::endl;
  49
  50 FD_form_title * fd_form_title;
  51 FD_form_character * fd_form_character;
  52 FD_form_preamble * fd_form_preamble;
  53 FD_form_sendto * fd_form_sendto;
  54 FD_form_figure * fd_form_figure;
  55 FD_LaTeXLog * fd_latex_log; // from log_form.h
  56 Combox * combo_language;
  57 Combox * combo_language2;
  58
  59 extern LyXServer * lyxserver;
  60 extern bool finished;   // flag, that we are quitting the program
  61 extern BufferList bufferlist;
  62 extern GUIRunTime guiruntime;
  63 extern string user_lyxdir;
  64
  65 FL_CMD_OPT cmdopt[] =
  66 {
  67         {"-geometry", "*.geometry", XrmoptionSepArg, "690x510"}
  68 };
  69
  70 static int width  = 690;
  71 static int height = 510;
  72 static int xpos   = -1;
  73 static int ypos   = -1;
  74 static char geometry[40];
  75
  76
  77 FL_resource res[] =
  78 {
  79         {"geometry", "geometryClass", FL_STRING, geometry, "", 40}
  80 };
  81
  82
  83 extern "C"
  84 int LyX_XErrHandler(Display * display, XErrorEvent * xeev)
  85 {
  86         // emergency save
  87         if (!bufferlist.empty())
  88                 bufferlist.emergencyWriteAll();
  89
  90         // Get the reason for the crash.
  91         char etxt[513];
  92         XGetErrorText(display, xeev->error_code, etxt, 512);
  93         lyxerr << etxt << endl;
  94         // By doing an abort we get a nice backtrace. (hopefully)
  95         lyx::abort();
  96         return 0; // Solaris CC wants us to return something
  97 }
  98
  99
 100 LyXGUI::LyXGUI(LyX * owner, int * argc, char * argv[], bool GUI)
 101         : _owner(owner), lyxViews(0)
 102 {
 103         gui = GUI;
 104         if (!gui)
 105                 return;
 106
 107         //
 108         setDefaults();
 109
 110         static const int num_res = sizeof(res)/sizeof(FL_resource);
 111         fl_initialize(argc, argv, "LyX", cmdopt, num_res);
 112         // It appears that, in xforms >=0.89.5, fl_initialize()
 113         // calls setlocale() and ruins our LC_NUMERIC setting.
 114         setlocale(LC_NUMERIC, "C");
 115         fl_get_app_resources(res, num_res);
 116
 117         static const int geometryBitmask =
 118                 XParseGeometry( geometry,
 119                                 &xpos,
 120                                 &ypos,
 121                                 reinterpret_cast<unsigned int *>(&width),
 122                                 reinterpret_cast<unsigned int *>(&height));
 123
 124         Display * display = fl_get_display();
 125         if (!display) {
 126                 lyxerr << "LyX: unable to access X display, exiting" << endl;
 127                 exit(1);
 128         }
 129         fcntl(ConnectionNumber(display), F_SETFD, FD_CLOEXEC);
 130         // X Error handler install goes here
 131         XSetErrorHandler(LyX_XErrHandler);
 132
 133         // A width less than 590 pops up an awkward main window
 134         // The minimal values of width/height (590/400) are defined in
 135         // src/lyx.C
 136         if (width < 590) width = 590;
 137         if (height < 400) height = 400;
 138
 139         // If width is not set by geometry, check it against monitor width
 140         if (!(geometryBitmask & 4)) {
 141                 Screen * scr = ScreenOfDisplay(fl_get_display(), fl_screen); //DefaultScreen(fl_get_display());
 142                 if (WidthOfScreen(scr) - 8 < width)
 143                         width = WidthOfScreen(scr) - 8;
 144         }
 145
 146         // If height is not set by geometry, check it against monitor height
 147         if (!(geometryBitmask & 8)) {
 148                 Screen * scr = ScreenOfDisplay(fl_get_display(), fl_screen); //DefaultScreen(fl_get_display());
 149                 if (HeightOfScreen(scr) - 24 < height)
 150                         height = HeightOfScreen(scr) - 24;
 151         }
 152
 153         // Recalculate xpos if it's negative
 154         if (geometryBitmask & 16)
 155                 xpos += WidthOfScreen(ScreenOfDisplay(fl_get_display(), fl_screen)) - width; //DefaultScreen(fl_get_display())) - width;
 156
 157         // Recalculate ypos if it's negative
 158         if (geometryBitmask & 32)
 159                 ypos += HeightOfScreen(ScreenOfDisplay(fl_get_display(), fl_screen)) - height; //DefaultScreen(fl_get_display())) - height;
 160
 161         // Initialize the LyXColorHandler
 162         lyxColorHandler = new LyXColorHandler;
 163 }
 164
 165
 166 // A destructor is always necessary  (asierra-970604)
 167 LyXGUI::~LyXGUI()
 168 {
 169         // Lyxserver was created in this class so should be destroyed
 170         // here.  asierra-970604
 171         delete lyxserver;
 172         lyxserver = 0;
 173         delete lyxViews;
 174 #if FL_REVISION < 89 || (FL_REVISION == 89 && FL_FIXLEVEL < 5)
 175         CloseLyXLookup();
 176 #endif
 177 }
 178
 179
 180 void LyXGUI::setDefaults()
 181 {
 182         GUIRunTime::setDefaults();
 183 }
 184
 185
 186 // This is called after we have parsed lyxrc
 187 void LyXGUI::init()
 188 {
 189         if (!gui)
 190                 return;
 191
 192         create_forms();
 193
 194         if (lyxrc.font_norm_menu.empty())
 195                 lyxrc.font_norm_menu = lyxrc.font_norm;
 196         // Set the font name for popups and menus
 197         string boldfontname = lyxrc.menu_font_name
 198                                + "-*-*-*-?-*-*-*-*-"
 199                                + lyxrc.font_norm_menu;
 200                 // "?" means "scale that font"
 201         string fontname = lyxrc.popup_font_name
 202                                + "-*-*-*-?-*-*-*-*-"
 203                                + lyxrc.font_norm_menu;
 204
 205         int bold = fl_set_font_name(FL_BOLD_STYLE, boldfontname.c_str());
 206         int normal = fl_set_font_name(FL_NORMAL_STYLE, fontname.c_str());
 207         if (bold < 0)
 208                 lyxerr << "Could not set menu font to "
 209                        << boldfontname << endl;
 210
 211         if (normal < 0)
 212                 lyxerr << "Could not set popup font to "
 213                        << fontname << endl;
 214
 215         if (bold < 0 && normal < 0) {
 216                 lyxerr << "Using 'helvetica' font for menus" << endl;
 217                 boldfontname = "-*-helvetica-bold-r-*-*-*-?-*-*-*-*-iso8859-1";
 218                 fontname = "-*-helvetica-medium-r-*-*-*-?-*-*-*-*-iso8859-1";
 219                 bold = fl_set_font_name(FL_BOLD_STYLE, boldfontname.c_str());
 220                 normal = fl_set_font_name(FL_NORMAL_STYLE, fontname.c_str());
 221
 222                 if (bold < 0 && normal < 0) {
 223                         lyxerr << "Could not find helvetica font. Using 'fixed'." << endl;
 224                         fl_set_font_name(FL_NORMAL_STYLE, "fixed");
 225                         normal = bold = 0;
 226                 }
 227         }
 228         if (bold < 0)
 229                 fl_set_font_name(FL_BOLD_STYLE, fontname.c_str());
 230         else if (normal < 0)
 231                 fl_set_font_name(FL_NORMAL_STYLE, boldfontname.c_str());
 232
 233         // put here (after fl_initialize) to avoid segfault. Cannot be done
 234         // in setDefaults() (Matthias 140496)
 235         // Moved from ::LyXGUI to ::init to allow popup font customization
 236         // (petr 120997).
 237         fl_setpup_fontstyle(FL_NORMAL_STYLE);
 238         fl_setpup_fontsize(FL_NORMAL_SIZE);
 239         fl_setpup_color(FL_MCOL, FL_BLACK);
 240         fl_set_goodies_font(FL_NORMAL_STYLE, FL_NORMAL_SIZE);
 241
 242         // all lyxrc settings has to be done here as lyxrc has not yet
 243         // been read when the GUI is created (Jug)
 244
 245         // the sendto form
 246         if (!lyxrc.custom_export_command.empty())
 247                 fl_set_input(fd_form_sendto->input_cmd,
 248                              lyxrc.custom_export_command.c_str());
 249         if (lyxrc.custom_export_format == "lyx")
 250                 fl_set_button(fd_form_sendto->radio_ftype_lyx, 1);
 251         else if (lyxrc.custom_export_format == "tex")
 252                 fl_set_button(fd_form_sendto->radio_ftype_latex, 1);
 253         else if (lyxrc.custom_export_format == "dvi")
 254                 fl_set_button(fd_form_sendto->radio_ftype_dvi, 1);
 255         else if (lyxrc.custom_export_format == "ps")
 256                 fl_set_button(fd_form_sendto->radio_ftype_ps, 1);
 257         else if (lyxrc.custom_export_format == "ascii")
 258                 fl_set_button(fd_form_sendto->radio_ftype_ascii, 1);
 259
 260         // Update parameters.
 261         lyxViews->redraw();
 262
 263         // Initialize the views.
 264         lyxViews->init();
 265
 266         // in 0.12 the initialisation of the LyXServer must be done here
 267         // 0.13 it should be moved again...
 268         lyxserver = new LyXServer(lyxViews->getLyXFunc(), lyxrc.lyxpipes);
 269 }
 270
 271
 272 void LyXGUI::create_forms()
 273 {
 274         lyxerr[Debug::INIT] << "Initializing LyXView..." << endl;
 275         lyxViews = new LyXView(width, height);
 276         lyxerr[Debug::INIT] << "Initializing LyXView...done" << endl;
 277
 278         // From here down should be done by somebody else. (Lgb)
 279
 280         //
 281         // Create forms
 282         //
 283
 284         // the title form
 285         string banner_file = LibFileSearch("images", "banner", "xpm");
 286         if (lyxrc.show_banner && !banner_file.empty()) {
 287                 fd_form_title = create_form_form_title();
 288                 fl_set_form_dblbuffer(fd_form_title->form_title, 1); // use dbl buffer
 289                 fl_set_form_atclose(fd_form_title->form_title, CancelCloseBoxCB, 0);
 290                 fl_addto_form(fd_form_title->form_title);
 291                 FL_OBJECT *obj = fl_add_pixmapbutton(FL_NORMAL_BUTTON, 0, 0, 425, 290, "");
 292                 fl_set_pixmapbutton_file(obj, banner_file.c_str());
 293
 294                 fl_set_pixmapbutton_focus_outline(obj, 3);
 295                 fl_set_button_shortcut(obj, "^M ^[", 1);
 296                 fl_set_object_boxtype(obj, FL_NO_BOX);
 297                 fl_set_object_callback(obj, TimerCB, 0);
 298
 299                 obj = fl_add_text(FL_NORMAL_TEXT, 248, 265, 170, 16, LYX_VERSION);
 300                 fl_set_object_lsize(obj, FL_NORMAL_SIZE);
 301                 fl_mapcolor(FL_FREE_COL2, 0x05, 0x2e, 0x4c);
 302                 fl_mapcolor(FL_FREE_COL3, 0xe1, 0xd2, 0x9b);
 303                 fl_set_object_color(obj, FL_FREE_COL2, FL_FREE_COL2);
 304                 fl_set_object_lcol(obj, FL_FREE_COL3);
 305                 fl_set_object_lalign(obj, FL_ALIGN_CENTER|FL_ALIGN_INSIDE);
 306                 fl_set_object_lstyle(obj, FL_BOLD_STYLE);
 307                 fl_end_form();
 308         }
 309
 310         // the character form
 311         fd_form_character = create_form_form_character();
 312         fl_set_form_atclose(fd_form_character->form_character,
 313                             CancelCloseBoxCB, 0);
 314         fl_addto_choice(fd_form_character->choice_family,
 315                         _(" No change %l| Roman | Sans Serif | Typewriter %l| Reset "));
 316         fl_addto_choice(fd_form_character->choice_series,
 317                         _(" No change %l| Medium | Bold %l| Reset "));
 318         fl_addto_choice(fd_form_character->choice_shape,
 319                         _(" No change %l| Upright | Italic | Slanted | Small Caps "
 320                         "%l| Reset "));
 321         fl_addto_choice(fd_form_character->choice_size,
 322                         _(" No change %l| Tiny | Smallest | Smaller | Small "
 323                         "| Normal | Large | Larger | Largest | Huge | Huger "
 324                         "%l| Increase | Decrease | Reset "));
 325         fl_addto_choice(fd_form_character->choice_bar,
 326                         _(" No change %l| Emph | Underbar | Noun | LaTeX mode %l| Reset "));
 327         fl_addto_choice(fd_form_character->choice_color,
 328                         _(" No change %l| No color | Black | White | Red | Green "
 329                         "| Blue | Cyan | Magenta | Yellow %l| Reset "));
 330         // Appears to need initialising to avoid seg fault when dialog is
 331         // launched. Over-written by combo_language2, below
 332         fl_addto_choice(fd_form_character->choice_language,
 333                         _(" English %l| German | French "));
 334         fl_set_form_minsize(fd_form_character->form_character,
 335                             fd_form_character->form_character->w,
 336                             fd_form_character->form_character->h);
 337         lyxerr[Debug::INIT] << "Initializing form_character::combox..." << endl;
 338         fl_addto_form(fd_form_character->form_character);
 339         combo_language2 = new Combox(FL_COMBOX_DROPLIST);
 340         FL_OBJECT * ob = fd_form_character->choice_language;
 341         combo_language2->add(ob->x, ob->y, ob->w, ob->h, 250);
 342         combo_language2->shortcut("#L", 1);
 343         fl_end_form();
 344         lyxerr[Debug::INIT] << "Initializing form_character...done" << endl;
 345
 346         // build up the combox entries
 347         combo_language2->addline(_("No change"));
 348         combo_language2->addline(_("Reset"));
 349         for (Languages::const_iterator cit = languages.begin();
 350             cit != languages.end(); ++cit) {
 351 #ifdef DO_USE_DEFAULT_LANGUAGE
 352             if ((*cit).second.lang() != "default")
 353 #endif
 354                 combo_language2->addto((*cit).second.lang());
 355         }
 356
 357         // the preamble form
 358         fd_form_preamble = create_form_form_preamble();
 359         fl_set_form_atclose(fd_form_preamble->form_preamble,
 360                             CancelCloseBoxCB, 0);
 361
 362         // the sendto form
 363         fd_form_sendto = create_form_form_sendto();
 364         fl_set_form_atclose(fd_form_sendto->form_sendto, CancelCloseBoxCB, 0);
 365
 366         // the figure form
 367         fd_form_figure = create_form_form_figure();
 368         fl_set_form_atclose(fd_form_figure->form_figure,
 369                             CancelCloseBoxCB, 0);
 370         fl_set_button(fd_form_figure->radio_postscript, 1);
 371
 372         // the latex log form
 373         fd_latex_log = create_form_LaTeXLog();
 374         fl_set_form_atclose(fd_latex_log->LaTeXLog,
 375                             CancelCloseBoxCB, 0);
 376
 377         // This is probably as good a time as any to map the xform colours,
 378         // should a mapping exist.
 379         {
 380                 string filename = AddName(user_lyxdir, "preferences.xform");
 381                 XformColor::read( filename );
 382         }
 383
 384         // Show the main & title form
 385         int main_placement = FL_PLACE_CENTER | FL_FREE_SIZE;
 386         int title_placement = FL_PLACE_CENTER;
 387         // Did we get a valid position?
 388         if (xpos >= 0 && ypos >= 0) {
 389                 lyxViews->setPosition(xpos, ypos);
 390                 if (lyxrc.show_banner) {
 391                         // show the title form in the middle of the main form
 392                         fl_set_form_position(fd_form_title->form_title,
 393                                              abs(xpos + (width/2) - (370 / 2)),
 394                                              abs(ypos + (height/2) - (290 / 2)));
 395                         title_placement = FL_PLACE_GEOMETRY;
 396                         // The use of abs() above is a trick to ensure
 397                         // valid positions
 398                 }
 399                         main_placement = FL_PLACE_POSITION;
 400         }
 401         lyxViews->show(main_placement, FL_FULLBORDER, "LyX");
 402         if (lyxrc.show_banner) {
 403                 fl_show_form(fd_form_title->form_title,
 404                              title_placement, FL_NOBORDER,
 405                              _("LyX Banner"));
 406                 fl_redraw_form(fd_form_title->form_title);
 407                 fl_raise_form(fd_form_title->form_title);
 408
 409                 // Show the title form at most 7 secs (lowered from 10 secs)
 410                 fl_set_timer(fd_form_title->timer_title, 7);
 411         }
 412 }
 413
 414
 415 void LyXGUI::runTime()
 416 {
 417         if (!gui) return;
 418
 419         guiruntime.runTime();
 420 }
 421
 422
 423 void LyXGUI::regBuf(Buffer * b)
 424 {
 425         lyxViews->view()->buffer(b);
 426 }
 427
 428
 429 LyXView * LyXGUI::getLyXView() const
 430 {
 431         return lyxViews;
 432 }