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