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