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
  14 #ifdef __GNUG__
  15 #pragma implementation
  16 #endif
  17
  18 #include <fcntl.h>
  19 #include "lyx_gui.h"
  20 #include FORMS_H_LOCATION
  21 #include "support/filetools.h"
  22 #include "combox.h"
  23 #include "lyx.h"
  24 #include "form1.h"
  25 #include "layout_forms.h"
  26 #include "print_form.h"
  27 #include "tex-strings.h"
  28 #include "lyx_main.h"
  29 #include "log_form.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/GUIRunTime.h"
  45 #include "frontends/xforms/xform_helpers.h" // for XformColor
  46
  47 using std::endl;
  48
  49 FD_form_title * fd_form_title;
  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 FD_LaTeXLog * fd_latex_log; // from log_form.h
  55 Combox * combo_language;
  56 Combox * combo_language2;
  57
  58 extern LyXServer * lyxserver;
  59 extern bool finished;   // flag, that we are quitting the program
  60 extern BufferList bufferlist;
  61 extern GUIRunTime guiruntime;
  62 extern string user_lyxdir;
  63
  64 FL_CMD_OPT cmdopt[] =
  65 {
  66         {"-geometry", "*.geometry", XrmoptionSepArg, "690x510"}
  67 };
  68
  69 static int width  = 690;
  70 static int height = 510;
  71 static int xpos   = -1;
  72 static int ypos   = -1;
  73 static char geometry[40];
  74
  75
  76 FL_resource res[] =
  77 {
  78         {"geometry", "geometryClass", FL_STRING, geometry, "", 40}
  79 };
  80
  81
  82 extern "C"
  83 int LyX_XErrHandler(Display * display, XErrorEvent * xeev)
  84 {
  85         // emergency save
  86         if (!bufferlist.empty())
  87                 bufferlist.emergencyWriteAll();
  88
  89         // Get the reason for the crash.
  90         char etxt[513];
  91         XGetErrorText(display, xeev->error_code, etxt, 512);
  92         lyxerr << etxt << endl;
  93         // By doing an abort we get a nice backtrace. (hopefully)
  94         lyx::abort();
  95         return 0; // Solaris CC wants us to return something
  96 }
  97
  98
  99 LyXGUI::LyXGUI(LyX * owner, int * argc, char * argv[], bool GUI)
 100         : _owner(owner), lyxViews(0)
 101 {
 102         gui = GUI;
 103         if (!gui)
 104                 return;
 105
 106         //
 107         setDefaults();
 108
 109         static const int num_res = sizeof(res)/sizeof(FL_resource);
 110         fl_initialize(argc, argv, "LyX", cmdopt, num_res);
 111         fl_get_app_resources(res, num_res);
 112
 113         static const int geometryBitmask =
 114                 XParseGeometry( geometry,
 115                                 &xpos,
 116                                 &ypos,
 117                                 reinterpret_cast<unsigned int *>(&width),
 118                                 reinterpret_cast<unsigned int *>(&height));
 119
 120         Display * display = fl_get_display();
 121         if (!display) {
 122                 lyxerr << "LyX: unable to access X display, exiting" << endl;
 123                 exit(1);
 124         }
 125         fcntl(ConnectionNumber(display), F_SETFD, FD_CLOEXEC);
 126         // X Error handler install goes here
 127         XSetErrorHandler(LyX_XErrHandler);
 128
 129         // A width less than 590 pops up an awkward main window
 130         // The minimal values of width/height (590/400) are defined in
 131         // src/lyx.C
 132         if (width < 590) width = 590;
 133         if (height < 400) height = 400;
 134
 135         // If width is not set by geometry, check it against monitor width
 136         if (!(geometryBitmask & 4)) {
 137                 Screen * scr = ScreenOfDisplay(fl_get_display(), fl_screen); //DefaultScreen(fl_get_display());
 138                 if (WidthOfScreen(scr) - 8 < width)
 139                         width = WidthOfScreen(scr) - 8;
 140         }
 141
 142         // If height is not set by geometry, check it against monitor height
 143         if (!(geometryBitmask & 8)) {
 144                 Screen * scr = ScreenOfDisplay(fl_get_display(), fl_screen); //DefaultScreen(fl_get_display());
 145                 if (HeightOfScreen(scr) - 24 < height)
 146                         height = HeightOfScreen(scr) - 24;
 147         }
 148
 149         // Recalculate xpos if it's negative
 150         if (geometryBitmask & 16)
 151                 xpos += WidthOfScreen(ScreenOfDisplay(fl_get_display(), fl_screen)) - width; //DefaultScreen(fl_get_display())) - width;
 152
 153         // Recalculate ypos if it's negative
 154         if (geometryBitmask & 32)
 155                 ypos += HeightOfScreen(ScreenOfDisplay(fl_get_display(), fl_screen)) - height; //DefaultScreen(fl_get_display())) - height;
 156
 157         // Initialize the LyXColorHandler
 158         lyxColorHandler = new LyXColorHandler;
 159 }
 160
 161
 162 // A destructor is always necessary  (asierra-970604)
 163 LyXGUI::~LyXGUI()
 164 {
 165         // Lyxserver was created in this class so should be destroyed
 166         // here.  asierra-970604
 167         delete lyxserver;
 168         lyxserver = 0;
 169         delete lyxViews;
 170 #if FL_REVISION < 89 || (FL_REVISION == 89 && FL_FIXLEVEL < 5)
 171         CloseLyXLookup();
 172 #endif
 173 }
 174
 175
 176 void LyXGUI::setDefaults()
 177 {
 178         GUIRunTime::setDefaults();
 179 }
 180
 181
 182 // This is called after we have parsed lyxrc
 183 void LyXGUI::init()
 184 {
 185         if (!gui)
 186                 return;
 187
 188         create_forms();
 189
 190         if (lyxrc.font_norm_menu.empty())
 191                 lyxrc.font_norm_menu = lyxrc.font_norm;
 192         // Set the font name for popups and menus
 193         string boldfontname = lyxrc.menu_font_name
 194                                + "-*-*-*-?-*-*-*-*-"
 195                                + lyxrc.font_norm_menu;
 196                 // "?" means "scale that font"
 197         string fontname = lyxrc.popup_font_name
 198                                + "-*-*-*-?-*-*-*-*-"
 199                                + lyxrc.font_norm_menu;
 200
 201         int bold = fl_set_font_name(FL_BOLD_STYLE, boldfontname.c_str());
 202         int normal = fl_set_font_name(FL_NORMAL_STYLE, fontname.c_str());
 203         if (bold < 0)
 204                 lyxerr << "Could not set menu font to "
 205                        << boldfontname << endl;
 206
 207         if (normal < 0)
 208                 lyxerr << "Could not set popup font to "
 209                        << fontname << endl;
 210
 211         if (bold < 0 && normal < 0) {
 212                 lyxerr << "Using 'helvetica' font for menus" << endl;
 213                 boldfontname = "-*-helvetica-bold-r-*-*-*-?-*-*-*-*-iso8859-1";
 214                 fontname = "-*-helvetica-medium-r-*-*-*-?-*-*-*-*-iso8859-1";
 215                 bold = fl_set_font_name(FL_BOLD_STYLE, boldfontname.c_str());
 216                 normal = fl_set_font_name(FL_NORMAL_STYLE, fontname.c_str());
 217
 218                 if (bold < 0 && normal < 0) {
 219                         lyxerr << "Could not find helvetica font. Using 'fixed'." << endl;
 220                         fl_set_font_name(FL_NORMAL_STYLE, "fixed");
 221                         normal = bold = 0;
 222                 }
 223         }
 224         if (bold < 0)
 225                 fl_set_font_name(FL_BOLD_STYLE, fontname.c_str());
 226         else if (normal < 0)
 227                 fl_set_font_name(FL_NORMAL_STYLE, boldfontname.c_str());
 228
 229         // put here (after fl_initialize) to avoid segfault. Cannot be done
 230         // in setDefaults() (Matthias 140496)
 231         // Moved from ::LyXGUI to ::init to allow popup font customization
 232         // (petr 120997).
 233         fl_setpup_fontstyle(FL_NORMAL_STYLE);
 234         fl_setpup_fontsize(FL_NORMAL_SIZE);
 235         fl_setpup_color(FL_MCOL, FL_BLACK);
 236         fl_set_goodies_font(FL_NORMAL_STYLE, FL_NORMAL_SIZE);
 237
 238         // all lyxrc settings has to be done here as lyxrc has not yet
 239         // been read when the GUI is created (Jug)
 240
 241         // the sendto form
 242         if (!lyxrc.custom_export_command.empty())
 243                 fl_set_input(fd_form_sendto->input_cmd,
 244                              lyxrc.custom_export_command.c_str());
 245         if (lyxrc.custom_export_format == "lyx")
 246                 fl_set_button(fd_form_sendto->radio_ftype_lyx, 1);
 247         else if (lyxrc.custom_export_format == "tex")
 248                 fl_set_button(fd_form_sendto->radio_ftype_latex, 1);
 249         else if (lyxrc.custom_export_format == "dvi")
 250                 fl_set_button(fd_form_sendto->radio_ftype_dvi, 1);
 251         else if (lyxrc.custom_export_format == "ps")
 252                 fl_set_button(fd_form_sendto->radio_ftype_ps, 1);
 253         else if (lyxrc.custom_export_format == "ascii")
 254                 fl_set_button(fd_form_sendto->radio_ftype_ascii, 1);
 255
 256         // Update parameters.
 257         lyxViews->redraw();
 258
 259         // Initialize the views.
 260         lyxViews->init();
 261
 262         // in 0.12 the initialisation of the LyXServer must be done here
 263         // 0.13 it should be moved again...
 264         lyxserver = new LyXServer(lyxViews->getLyXFunc(), lyxrc.lyxpipes);
 265 }
 266
 267
 268 void LyXGUI::create_forms()
 269 {
 270         lyxerr[Debug::INIT] << "Initializing LyXView..." << endl;
 271         lyxViews = new LyXView(width, height);
 272         lyxerr[Debug::INIT] << "Initializing LyXView...done" << endl;
 273
 274         // From here down should be done by somebody else. (Lgb)
 275
 276         //
 277         // Create forms
 278         //
 279
 280         // the title form
 281         string banner_file = LibFileSearch("images", "banner", "xpm");
 282         if (lyxrc.show_banner && !banner_file.empty()) {
 283                 fd_form_title = create_form_form_title();
 284                 fl_set_form_dblbuffer(fd_form_title->form_title, 1); // use dbl buffer
 285                 fl_set_form_atclose(fd_form_title->form_title, CancelCloseBoxCB, 0);
 286                 fl_addto_form(fd_form_title->form_title);
 287                 FL_OBJECT *obj = fl_add_pixmapbutton(FL_NORMAL_BUTTON, 0, 0, 425, 290, "");
 288                 fl_set_pixmapbutton_file(obj, banner_file.c_str());
 289
 290                 fl_set_pixmapbutton_focus_outline(obj, 3);
 291                 fl_set_button_shortcut(obj, "^M ^[", 1);
 292                 fl_set_object_boxtype(obj, FL_NO_BOX);
 293                 fl_set_object_callback(obj, TimerCB, 0);
 294
 295                 obj = fl_add_text(FL_NORMAL_TEXT, 248, 265, 170, 16, LYX_VERSION);
 296                 fl_set_object_lsize(obj, FL_NORMAL_SIZE);
 297                 fl_mapcolor(FL_FREE_COL2, 0x05, 0x2e, 0x4c);
 298                 fl_mapcolor(FL_FREE_COL3, 0xe1, 0xd2, 0x9b);
 299                 fl_set_object_color(obj, FL_FREE_COL2, FL_FREE_COL2);
 300                 fl_set_object_lcol(obj, FL_FREE_COL3);
 301                 fl_set_object_lalign(obj, FL_ALIGN_CENTER|FL_ALIGN_INSIDE);
 302                 fl_set_object_lstyle(obj, FL_BOLD_STYLE);
 303                 fl_end_form();
 304         }
 305
 306         // the character form
 307         fd_form_character = create_form_form_character();
 308         fl_set_form_atclose(fd_form_character->form_character,
 309                             CancelCloseBoxCB, 0);
 310         fl_addto_choice(fd_form_character->choice_family,
 311                         _(" No change %l| Roman | Sans Serif | Typewriter %l| Reset "));
 312         fl_addto_choice(fd_form_character->choice_series,
 313                         _(" No change %l| Medium | Bold %l| Reset "));
 314         fl_addto_choice(fd_form_character->choice_shape,
 315                         _(" No change %l| Upright | Italic | Slanted | Small Caps "
 316                         "%l| Reset "));
 317         fl_addto_choice(fd_form_character->choice_size,
 318                         _(" No change %l| Tiny | Smallest | Smaller | Small "
 319                         "| Normal | Large | Larger | Largest | Huge | Huger "
 320                         "%l| Increase | Decrease | Reset "));
 321         fl_addto_choice(fd_form_character->choice_bar,
 322                         _(" No change %l| Emph | Underbar | Noun | LaTeX mode %l| Reset "));
 323         fl_addto_choice(fd_form_character->choice_color,
 324                         _(" No change %l| No color | Black | White | Red | Green "
 325                         "| Blue | Cyan | Magenta | Yellow %l| Reset "));
 326         // Appears to need initialising to avoid seg fault when dialog is
 327         // launched. Over-written by combo_language2, below
 328         fl_addto_choice(fd_form_character->choice_language,
 329                         _(" English %l| German | French "));
 330         fl_set_form_minsize(fd_form_character->form_character,
 331                             fd_form_character->form_character->w,
 332                             fd_form_character->form_character->h);
 333         lyxerr[Debug::INIT] << "Initializing form_character::combox..." << endl;
 334         fl_addto_form(fd_form_character->form_character);
 335         combo_language2 = new Combox(FL_COMBOX_DROPLIST);
 336         FL_OBJECT * ob = fd_form_character->choice_language;
 337         combo_language2->add(ob->x, ob->y, ob->w, ob->h, 250);
 338         combo_language2->shortcut("#L", 1);
 339         fl_end_form();
 340         lyxerr[Debug::INIT] << "Initializing form_character...done" << endl;
 341
 342         // build up the combox entries
 343         combo_language2->addline(_("No change"));
 344         combo_language2->addline(_("Reset"));
 345         for (Languages::const_iterator cit = languages.begin();
 346             cit != languages.end(); ++cit) {
 347 #ifdef DO_USE_DEFAULT_LANGUAGE
 348             if ((*cit).second.lang() != "default")
 349 #endif
 350                 combo_language2->addto((*cit).second.lang());
 351         }
 352
 353         // the preamble form
 354         fd_form_preamble = create_form_form_preamble();
 355         fl_set_form_atclose(fd_form_preamble->form_preamble,
 356                             CancelCloseBoxCB, 0);
 357
 358         // the sendto form
 359         fd_form_sendto = create_form_form_sendto();
 360         fl_set_form_atclose(fd_form_sendto->form_sendto, CancelCloseBoxCB, 0);
 361
 362         // the figure form
 363         fd_form_figure = create_form_form_figure();
 364         fl_set_form_atclose(fd_form_figure->form_figure,
 365                             CancelCloseBoxCB, 0);
 366         fl_set_button(fd_form_figure->radio_postscript, 1);
 367
 368         // the latex log form
 369         fd_latex_log = create_form_LaTeXLog();
 370         fl_set_form_atclose(fd_latex_log->LaTeXLog,
 371                             CancelCloseBoxCB, 0);
 372
 373         // This is probably as good a time as any to map the xform colours,
 374         // should a mapping exist.
 375         {
 376                 string filename = AddName(user_lyxdir, "preferences.xform");
 377                 XformColor::read( filename );
 378         }
 379
 380         // Show the main & title form
 381         int main_placement = FL_PLACE_CENTER | FL_FREE_SIZE;
 382         int title_placement = FL_PLACE_CENTER;
 383         // Did we get a valid position?
 384         if (xpos >= 0 && ypos >= 0) {
 385                 lyxViews->setPosition(xpos, ypos);
 386                 if (lyxrc.show_banner) {
 387                         // show the title form in the middle of the main form
 388                         fl_set_form_position(fd_form_title->form_title,
 389                                              abs(xpos + (width/2) - (370 / 2)),
 390                                              abs(ypos + (height/2) - (290 / 2)));
 391                         title_placement = FL_PLACE_GEOMETRY;
 392                         // The use of abs() above is a trick to ensure
 393                         // valid positions
 394                 }
 395                         main_placement = FL_PLACE_POSITION;
 396         }
 397         lyxViews->show(main_placement, FL_FULLBORDER, "LyX");
 398         if (lyxrc.show_banner) {
 399                 fl_show_form(fd_form_title->form_title,
 400                              title_placement, FL_NOBORDER,
 401                              _("LyX Banner"));
 402                 fl_redraw_form(fd_form_title->form_title);
 403                 fl_raise_form(fd_form_title->form_title);
 404
 405                 // Show the title form at most 7 secs (lowered from 10 secs)
 406                 fl_set_timer(fd_form_title->timer_title, 7);
 407         }
 408 }
 409
 410
 411 void LyXGUI::runTime()
 412 {
 413         if (!gui) return;
 414
 415         guiruntime.runTime();
 416 }
 417
 418
 419 void LyXGUI::regBuf(Buffer * b)
 420 {
 421         lyxViews->view()->buffer(b);
 422 }
 423
 424
 425 LyXView * LyXGUI::getLyXView() const
 426 {
 427         return lyxViews;
 428 }