src/frontends/xforms/FormGraphics.C

   1 /**
   2  * \file FormGraphics.C
   3  * Copyright 2000-2001 The LyX Team.
   4  * See the file COPYING.
   5  *
   6  * \author Baruch Even, baruch.even@writeme.com
   7  * \author Herbert Voss, voss@perce.de
   8  */
   9
  10 #include <config.h>
  11
  12 #ifdef __GNUG__
  13 #pragma implementation
  14 #endif
  15
  16 #include "xformsBC.h"
  17 #include "ControlGraphics.h"
  18 #include "FormGraphics.h"
  19 #include "form_graphics.h"
  20 #include "Alert.h"
  21
  22 #include "xforms_helpers.h"
  23 #include "input_validators.h"
  24 #include "debug.h" // for lyxerr
  25 #include "support/lstrings.h"  // for strToDbl & tostr
  26 #include "support/filetools.h"  // for MakeAbsPath etc
  27 #include "insets/insetgraphicsParams.h"
  28 #include "lyxrc.h" // for lyxrc.display_graphics
  29
  30 using std::endl;
  31
  32 namespace {
  33
  34 // Bound the number of input characters
  35 int const SCALE_MAXDIGITS = 3;
  36 int const WIDTH_MAXDIGITS = 10;
  37 int const HEIGHT_MAXDIGITS = 10;
  38 int const ROTATE_MAXCHARS = 4;
  39 int const FILENAME_MAXCHARS = 1024;
  40 string defaultUnit("cm");
  41
  42 /// Given input and choice widgets, create a LyXLength
  43 LyXLength getLyXLengthFromWidgets(FL_OBJECT * input, FL_OBJECT * choice)
  44 {
  45         return LyXLength(getLengthFromWidgets(input, choice));
  46 }
  47
  48 } // namespace anon
  49
  50
  51 typedef FormCB<ControlGraphics, FormDB<FD_form_graphics> > base_class;
  52
  53 FormGraphics::FormGraphics(ControlGraphics & c)
  54         : base_class(c, _("Graphics"), false)
  55 {}
  56
  57
  58 void FormGraphics::redraw()
  59 {
  60         if (form() && form()->visible)
  61                 fl_redraw_form(form());
  62         else
  63                 return;
  64         FL_FORM * outer_form = fl_get_active_folder(dialog_->tabfolder);
  65         if (outer_form && outer_form->visible)
  66                 fl_redraw_form(outer_form);
  67 }
  68
  69
  70 void FormGraphics::build()
  71 {
  72         dialog_.reset(build_graphics());
  73
  74         // Allow the base class to control messages
  75         setMessageWidget(dialog_->text_warning);
  76
  77         // Manage the ok, apply, restore and cancel/close buttons
  78         bc().setOK(dialog_->button_ok);
  79         bc().setApply(dialog_->button_apply);
  80         bc().setCancel(dialog_->button_close);
  81         bc().setRestore(dialog_->button_restore);
  82
  83         // the file section
  84         file_.reset(build_file());
  85
  86         fl_set_input_return (file_->input_filename, FL_RETURN_CHANGED);
  87         fl_set_input_return (file_->input_subcaption, FL_RETURN_CHANGED);
  88         fl_set_input_return (file_->input_rotate_angle, FL_RETURN_CHANGED);
  89         fl_set_input_maxchars(file_->input_filename,  FILENAME_MAXCHARS);
  90         fl_set_input_maxchars(file_->input_rotate_angle, ROTATE_MAXCHARS);
  91         fl_set_input_filter(file_->input_rotate_angle, fl_float_filter);
  92
  93         setPrehandler(file_->input_filename);
  94         setPrehandler(file_->input_subcaption);
  95         setPrehandler(file_->input_rotate_angle);
  96
  97         string const choice_origin =
  98                 "center|"                                       // c
  99                 "leftTop|leftBottom|leftBaseline|"              // lt lb lB
 100                 "centerTop|centerBottom|centerBaseline|"        // ct cb cB
 101                 "rightTop|rightBottom|rightBaseline";   // rt rb rB
 102         fl_addto_choice(file_->choice_origin, choice_origin.c_str());
 103
 104         bc().addReadOnly(file_->button_browse);
 105         bc().addReadOnly(file_->check_subcaption);
 106         bc().addReadOnly(file_->check_rotate);
 107         bc().addReadOnly(file_->check_draft);
 108         bc().addReadOnly(file_->check_nounzip);
 109
 110         // the lyxview section
 111         lyxview_.reset(build_lyxview());
 112
 113         fl_set_input_return (lyxview_->input_lyxwidth, FL_RETURN_CHANGED);
 114         fl_set_input_return (lyxview_->input_lyxheight, FL_RETURN_CHANGED);
 115         fl_set_input_return (lyxview_->input_lyxscale, FL_RETURN_CHANGED);
 116
 117         setPrehandler(lyxview_->input_lyxwidth);
 118         setPrehandler(lyxview_->input_lyxheight);
 119         setPrehandler(lyxview_->input_lyxscale);
 120
 121         fl_addto_choice(lyxview_->choice_lyxwidth, choice_Length_WithUnit.c_str());
 122         fl_addto_choice(lyxview_->choice_lyxheight, choice_Length_WithUnit.c_str());
 123
 124         bc().addReadOnly(lyxview_->radio_pref);
 125         bc().addReadOnly(lyxview_->radio_mono);
 126         bc().addReadOnly(lyxview_->radio_gray);
 127         bc().addReadOnly(lyxview_->radio_color);
 128         bc().addReadOnly(lyxview_->radio_nodisplay);
 129
 130         // the size section
 131         size_.reset(build_size());
 132
 133         fl_set_input_return (size_->input_scale, FL_RETURN_CHANGED);
 134         fl_set_input_return (size_->input_width, FL_RETURN_CHANGED);
 135         fl_set_input_return (size_->input_height, FL_RETURN_CHANGED);
 136
 137         setPrehandler(size_->input_scale);
 138         setPrehandler(size_->input_width);
 139         setPrehandler(size_->input_height);
 140
 141         fl_set_input_maxchars(size_->input_scale, SCALE_MAXDIGITS);
 142         fl_set_input_maxchars(size_->input_width, WIDTH_MAXDIGITS);
 143         fl_set_input_maxchars(size_->input_height, HEIGHT_MAXDIGITS);
 144
 145         fl_set_input_filter(size_->input_scale,  fl_unsigned_float_filter);
 146
 147         fl_addto_choice(size_->choice_width, choice_Length_All.c_str());
 148         fl_addto_choice(size_->choice_height, choice_Length_All.c_str());
 149
 150         bc().addReadOnly(size_->radio_asis);
 151         bc().addReadOnly(size_->radio_wh);
 152         bc().addReadOnly(size_->radio_scale);
 153         bc().addReadOnly(size_->check_aspectratio);
 154
 155         // the bounding box selection
 156         bbox_.reset(build_bbox());
 157         fl_set_input_return (bbox_->input_bb_x0, FL_RETURN_CHANGED);
 158         fl_set_input_return (bbox_->input_bb_y0, FL_RETURN_CHANGED);
 159         fl_set_input_return (bbox_->input_bb_x1, FL_RETURN_CHANGED);
 160         fl_set_input_return (bbox_->input_bb_y1, FL_RETURN_CHANGED);
 161
 162         fl_set_input_filter(bbox_->input_bb_x0,  fl_unsigned_float_filter);
 163         fl_set_input_filter(bbox_->input_bb_y0,  fl_unsigned_float_filter);
 164         fl_set_input_filter(bbox_->input_bb_x1,  fl_unsigned_float_filter);
 165         fl_set_input_filter(bbox_->input_bb_y1,  fl_unsigned_float_filter);
 166
 167         setPrehandler(bbox_->input_bb_x0);
 168         setPrehandler(bbox_->input_bb_y0);
 169         setPrehandler(bbox_->input_bb_x1);
 170         setPrehandler(bbox_->input_bb_y1);
 171
 172         string const bb_units = "bp|cm|in";
 173         fl_addto_choice(bbox_->choice_bb_units, bb_units.c_str());
 174         bc().addReadOnly(bbox_->button_getBB);
 175         bc().addReadOnly(bbox_->check_clip);
 176
 177         // the rotate section
 178         special_.reset(build_special());
 179
 180         fl_set_input_return (special_->input_special, FL_RETURN_CHANGED);
 181         setPrehandler(special_->input_special);
 182
 183         // add the different tabfolders
 184         fl_addto_tabfolder(dialog_->tabfolder, _("File"), file_->form);
 185         fl_addto_tabfolder(dialog_->tabfolder, _("LyX View"), lyxview_->form);
 186         fl_addto_tabfolder(dialog_->tabfolder, _("LaTeX Size"), size_->form);
 187         fl_addto_tabfolder(dialog_->tabfolder, _("Bounding Box"), bbox_->form);
 188         fl_addto_tabfolder(dialog_->tabfolder, _("Extras"), special_->form);
 189         // set the right default unit
 190         if (lyxrc.default_papersize < 3)
 191                 defaultUnit = "in";
 192 }
 193
 194
 195 void FormGraphics::apply()
 196 {
 197         // Create the parameters structure and fill the data from the dialog.
 198         InsetGraphicsParams & igp = controller().params();
 199
 200         // the file section
 201         igp.filename = getStringFromInput(file_->input_filename);
 202         igp.subcaption = fl_get_button(file_->check_subcaption);
 203         igp.subcaptionText = getStringFromInput(file_->input_subcaption);
 204         igp.rotate = fl_get_button(file_->check_rotate);
 205         igp.rotateAngle =
 206                 strToDbl(getStringFromInput(file_->input_rotate_angle));
 207         while (igp.rotateAngle < 0.0 || igp.rotateAngle > 360.0) {
 208                 if (igp.rotateAngle < 0.0) {
 209                         igp.rotateAngle += 360.0;
 210                 } else if (igp.rotateAngle > 360.0) {
 211                         igp.rotateAngle -= 360.0;
 212                 }
 213         }
 214         if (fl_get_choice(file_->choice_origin) > 0)
 215                 igp.rotateOrigin = fl_get_choice_text(file_->choice_origin);
 216         else
 217                 igp.rotateOrigin = string();
 218         igp.draft = fl_get_button(file_->check_draft);
 219         igp.noUnzip = fl_get_button(file_->check_nounzip);
 220
 221         // the lyxview section
 222         if (fl_get_button(lyxview_->radio_pref))
 223                 igp.display = InsetGraphicsParams::DEFAULT;
 224         else if (fl_get_button(lyxview_->radio_mono))
 225                 igp.display = InsetGraphicsParams::MONOCHROME;
 226         else if (fl_get_button(lyxview_->radio_gray))
 227                 igp.display = InsetGraphicsParams::GRAYSCALE;
 228         else if (fl_get_button(lyxview_->radio_color))
 229                 igp.display = InsetGraphicsParams::COLOR;
 230         else if (fl_get_button(lyxview_->radio_nodisplay))
 231                 igp.display = InsetGraphicsParams::NONE;
 232
 233         if (fl_get_button(lyxview_->radio_lyxasis))
 234                 igp.lyxsize_type = InsetGraphicsParams::DEFAULT_SIZE;
 235         else if (fl_get_button(lyxview_->radio_lyxwh))
 236                 igp.lyxsize_type = InsetGraphicsParams::WH;
 237         else
 238                 igp.lyxsize_type = InsetGraphicsParams::SCALE;
 239
 240         igp.lyxwidth = getLyXLengthFromWidgets(lyxview_->input_lyxwidth,
 241                                                lyxview_->choice_lyxwidth);
 242
 243         igp.lyxheight = getLyXLengthFromWidgets(lyxview_->input_lyxheight,
 244                                                 lyxview_->choice_lyxheight);
 245
 246         igp.lyxscale = strToInt(getStringFromInput(lyxview_->input_lyxscale));
 247
 248         // the size section
 249         if (fl_get_button(size_->radio_asis))
 250                 igp.size_type = InsetGraphicsParams::DEFAULT_SIZE;
 251         else if (fl_get_button(size_->radio_wh))
 252                 igp.size_type = InsetGraphicsParams::WH;
 253         else
 254                 igp.size_type = InsetGraphicsParams::SCALE;
 255
 256         igp.width = getLyXLengthFromWidgets(size_->input_width,
 257                                             size_->choice_width);
 258
 259         igp.height = getLyXLengthFromWidgets(size_->input_height,
 260                                    size_->choice_height);
 261
 262         igp.scale = strToInt(getStringFromInput(size_->input_scale));
 263         igp.keepAspectRatio = fl_get_button(size_->check_aspectratio);
 264
 265         // the bb section
 266         if (!controller().bbChanged)            // different to the original one?
 267                 igp.bb = string();                      // don't write anything
 268         else {
 269                 string bb;
 270                 if (getStringFromInput(bbox_->input_bb_x0).empty())
 271                         bb = "0 ";
 272                 else
 273                         bb = getLengthFromWidgets(bbox_->input_bb_x0,
 274                                                   bbox_->choice_bb_units)+" ";
 275                 if (getStringFromInput(bbox_->input_bb_y0).empty())
 276                         bb += "0 ";
 277                 else
 278                         bb += (getLengthFromWidgets(bbox_->input_bb_y0,
 279                                                     bbox_->choice_bb_units)+" ");
 280                 if (getStringFromInput(bbox_->input_bb_x1).empty())
 281                         bb += "0 ";
 282                 else
 283                         bb += (getLengthFromWidgets(bbox_->input_bb_x1,
 284                                                     bbox_->choice_bb_units)+" ");
 285                 if (getStringFromInput(bbox_->input_bb_y1).empty())
 286                         bb += "0 ";
 287                 else
 288                         bb += (getLengthFromWidgets(bbox_->input_bb_y1,
 289                                                     bbox_->choice_bb_units)+" ");
 290                 igp.bb = bb;
 291         }
 292         igp.clip = fl_get_button(bbox_->check_clip);
 293
 294         // the special section
 295         igp.special = getStringFromInput(special_->input_special);
 296 }
 297
 298
 299
 300 void FormGraphics::update() {
 301         // Update dialog with details from inset
 302         InsetGraphicsParams & igp = controller().params();
 303
 304         // the file section
 305         fl_set_input(file_->input_filename, igp.filename.c_str());
 306         fl_set_button(file_->check_subcaption, igp.subcaption);
 307         fl_set_input(file_->input_subcaption, igp.subcaptionText.c_str());
 308         setEnabled(file_->input_subcaption,
 309                    fl_get_button(file_->check_subcaption));
 310         fl_set_button(file_->check_rotate, igp.rotate);
 311         fl_set_input(file_->input_rotate_angle,
 312                      tostr(igp.rotateAngle).c_str());
 313         if (igp.rotateOrigin.empty())
 314                 fl_set_choice(file_->choice_origin,1);
 315         else
 316                 fl_set_choice_text(file_->choice_origin,igp.rotateOrigin.c_str());
 317         setEnabled(file_->input_rotate_angle,
 318                    fl_get_button(file_->check_rotate));
 319         setEnabled(file_->choice_origin,
 320                    fl_get_button(file_->check_rotate));
 321         fl_set_button(file_->check_draft, igp.draft);
 322         fl_set_button(file_->check_nounzip, igp.noUnzip);
 323
 324         // the lyxview section
 325         switch (igp.display) {
 326         case InsetGraphicsParams::DEFAULT:
 327                 fl_set_button(lyxview_->radio_pref, 1);
 328                 break;
 329         case InsetGraphicsParams::MONOCHROME:
 330                 fl_set_button(lyxview_->radio_mono, 1);
 331                 break;
 332         case InsetGraphicsParams::GRAYSCALE:
 333                 fl_set_button(lyxview_->radio_gray, 1);
 334                 break;
 335         case InsetGraphicsParams::COLOR:
 336                 fl_set_button(lyxview_->radio_color, 1);
 337                 break;
 338         case InsetGraphicsParams::NONE:
 339                 fl_set_button(lyxview_->radio_nodisplay, 1);
 340                 break;
 341         }
 342         updateWidgetsFromLength(lyxview_->input_lyxwidth,
 343                                 lyxview_->choice_lyxwidth, igp.lyxwidth, defaultUnit);
 344         updateWidgetsFromLength(lyxview_->input_lyxheight,
 345                                 lyxview_->choice_lyxheight, igp.lyxheight, defaultUnit);
 346         fl_set_input(lyxview_->input_lyxscale, tostr(igp.lyxscale).c_str());
 347         switch (igp.lyxsize_type) {
 348         case InsetGraphicsParams::DEFAULT_SIZE: {
 349                 fl_set_button(lyxview_->radio_lyxasis,1);
 350                 setEnabled(lyxview_->input_lyxwidth, 0);
 351                 setEnabled(lyxview_->choice_lyxwidth, 0);
 352                 setEnabled(lyxview_->input_lyxheight, 0);
 353                 setEnabled(lyxview_->choice_lyxheight, 0);
 354                 setEnabled(lyxview_->input_lyxscale, 0);
 355                 break;
 356         }
 357         case InsetGraphicsParams::WH: {
 358                 fl_set_button(lyxview_->radio_lyxwh, 1);
 359                 setEnabled(lyxview_->input_lyxwidth, 1);
 360                 setEnabled(lyxview_->choice_lyxwidth, 1);
 361                 setEnabled(lyxview_->input_lyxheight, 1);
 362                 setEnabled(lyxview_->choice_lyxheight, 1);
 363                 setEnabled(lyxview_->input_lyxscale, 0);
 364                 break;
 365         }
 366         case InsetGraphicsParams::SCALE: {
 367                 fl_set_button(lyxview_->radio_lyxscale, 1);
 368                 setEnabled(lyxview_->input_lyxwidth, 0);
 369                 setEnabled(lyxview_->choice_lyxwidth, 0);
 370                 setEnabled(lyxview_->input_lyxheight, 0);
 371                 setEnabled(lyxview_->choice_lyxheight, 0);
 372                 setEnabled(lyxview_->input_lyxscale, 1);
 373                 break;
 374         }
 375         }
 376
 377         // the size section
 378         // Update the draft and clip mode
 379         updateWidgetsFromLength(size_->input_width,
 380                                 size_->choice_width, igp.width, defaultUnit);
 381         updateWidgetsFromLength(size_->input_height,
 382                                 size_->choice_height, igp.height, defaultUnit);
 383         fl_set_input(size_->input_scale, tostr(igp.scale).c_str());
 384         switch (igp.size_type) {
 385         case InsetGraphicsParams::DEFAULT_SIZE: {
 386                 fl_set_button(size_->radio_asis,1);
 387                 setEnabled(size_->input_width, 0);
 388                 setEnabled(size_->choice_width, 0);
 389                 setEnabled(size_->input_height, 0);
 390                 setEnabled(size_->choice_height, 0);
 391                 setEnabled(size_->check_aspectratio, 0);
 392                 setEnabled(size_->input_scale, 0);
 393                 break;
 394         }
 395         case InsetGraphicsParams::WH: {
 396                 fl_set_button(size_->radio_wh, 1);
 397                 setEnabled(size_->input_width, 1);
 398                 setEnabled(size_->choice_width, 1);
 399                 setEnabled(size_->input_height, 1);
 400                 setEnabled(size_->choice_height, 1);
 401                 setEnabled(size_->check_aspectratio, 1);
 402                 setEnabled(size_->input_scale, 0);
 403                 break;
 404         }
 405         case InsetGraphicsParams::SCALE: {
 406                 fl_set_button(size_->radio_scale, 1);
 407                 setEnabled(size_->input_width, 0);
 408                 setEnabled(size_->choice_width, 0);
 409                 setEnabled(size_->input_height, 0);
 410                 setEnabled(size_->choice_height, 0);
 411                 setEnabled(size_->check_aspectratio, 0);
 412                 setEnabled(size_->input_scale, 1);
 413                 break;
 414         }
 415         }
 416         fl_set_button(size_->check_aspectratio, igp.keepAspectRatio);
 417
 418         // the bb section
 419         // set the bounding box values, if exists. First we need the whole
 420         // path, because the controller knows nothing about the doc-dir
 421         updateBB(igp.filename, igp.bb);
 422         fl_set_button(bbox_->check_clip, igp.clip);
 423
 424         // the special section
 425         fl_set_input(special_->input_special, igp.special.c_str());
 426 }
 427
 428
 429 void FormGraphics::updateBB(string const & filename, string const & bb_inset)
 430 {
 431         // Update dialog with details from inset
 432         // set the bounding box values, if exists. First we need the whole
 433         // path, because the controller knows nothing about the doc-dir
 434         controller().bbChanged = false;
 435         if (bb_inset.empty()) {
 436                 lyxerr[Debug::GRAPHICS] << "update:: no BoundingBox" << endl;
 437                 string const bb = controller().readBB(filename);
 438                 if (!bb.empty()) {
 439                         // get the values from the file
 440                         // in this case we always have the point-unit
 441                         fl_set_input(bbox_->input_bb_x0,
 442                                      token(bb,' ',0).c_str());
 443                         fl_set_input(bbox_->input_bb_y0,
 444                                      token(bb,' ',1).c_str());
 445                         fl_set_input(bbox_->input_bb_x1,
 446                                      token(bb,' ',2).c_str());
 447                         fl_set_input(bbox_->input_bb_y1,
 448                                      token(bb,' ',3).c_str());
 449
 450                 } else {
 451                         // no bb from file
 452                         fl_set_input(bbox_->input_bb_x0, bb.c_str());
 453                         fl_set_input(bbox_->input_bb_y0, bb.c_str());
 454                         fl_set_input(bbox_->input_bb_x1, bb.c_str());
 455                         fl_set_input(bbox_->input_bb_y1, bb.c_str());
 456                 }
 457                 // "bp"
 458                 fl_set_choice(bbox_->choice_bb_units, 1);
 459
 460         } else {
 461                 // get the values from the inset
 462                 lyxerr[Debug::GRAPHICS] << "update:: igp has BoundingBox"
 463                                         << endl;
 464                 controller().bbChanged = true;
 465                 LyXLength anyLength;
 466                 anyLength = LyXLength(token(bb_inset,' ',0));
 467                 updateWidgetsFromLength(bbox_->input_bb_x0,
 468                                         bbox_->choice_bb_units,anyLength,"bp");
 469                 anyLength = LyXLength(token(bb_inset,' ',1));
 470                 updateWidgetsFromLength(bbox_->input_bb_y0,
 471                                         bbox_->choice_bb_units,anyLength,"bp");
 472                 anyLength = LyXLength(token(bb_inset,' ',2));
 473                 updateWidgetsFromLength(bbox_->input_bb_x1,
 474                                         bbox_->choice_bb_units,anyLength,"bp");
 475                 anyLength = LyXLength(token(bb_inset,' ',3));
 476                 updateWidgetsFromLength(bbox_->input_bb_y1,
 477                                         bbox_->choice_bb_units,anyLength,"bp");
 478         }
 479 }
 480
 481 namespace {
 482
 483 bool isValid(FL_OBJECT * ob)
 484 {
 485         string const input = getStringFromInput(ob);
 486         return input.empty() || isValidLength(input) || isStrDbl(input);
 487 }
 488
 489 } // namespace anon
 490
 491
 492
 493 ButtonPolicy::SMInput FormGraphics::input(FL_OBJECT * ob, long)
 494 {
 495         // the file section
 496         if (ob == file_->button_browse) {
 497                 // Get the filename from the dialog
 498                 string const in_name = getStringFromInput(file_->input_filename);
 499                 string const out_name = controller().Browse(in_name);
 500                 lyxerr[Debug::GRAPHICS] << "[FormGraphics]out_name: " << out_name << endl;
 501                 if (out_name != in_name && !out_name.empty()) {
 502                         fl_set_input(file_->input_filename, out_name.c_str());
 503                 }
 504                 if (controller().isFilenameValid(out_name))
 505                         updateBB(out_name, string());
 506
 507         } else if (ob == file_->check_subcaption) {
 508                 setEnabled(file_->input_subcaption,
 509                            fl_get_button(file_->check_subcaption));
 510         } else if (ob == file_->check_rotate) {
 511                 setEnabled(file_->input_rotate_angle,
 512                            fl_get_button(file_->check_rotate));
 513                 setEnabled(file_->choice_origin,
 514                            fl_get_button(file_->check_rotate));
 515
 516                 // the lyxview section
 517         } else if (ob == lyxview_->radio_lyxasis) {
 518                 setEnabled(lyxview_->input_lyxwidth, 0);
 519                 setEnabled(lyxview_->choice_lyxwidth, 0);
 520                 setEnabled(lyxview_->input_lyxheight, 0);
 521                 setEnabled(lyxview_->choice_lyxheight, 0);
 522                 setEnabled(lyxview_->input_lyxscale, 0);
 523         } else if (ob == lyxview_->radio_lyxwh) {
 524                 setEnabled(lyxview_->input_lyxwidth, 1);
 525                 setEnabled(lyxview_->choice_lyxwidth, 1);
 526                 setEnabled(lyxview_->input_lyxheight, 1);
 527                 setEnabled(lyxview_->choice_lyxheight, 1);
 528                 setEnabled(lyxview_->input_lyxscale, 0);
 529         } else if (ob == lyxview_->radio_lyxscale) {
 530                 setEnabled(lyxview_->input_lyxwidth, 0);
 531                 setEnabled(lyxview_->choice_lyxwidth, 0);
 532                 setEnabled(lyxview_->input_lyxheight, 0);
 533                 setEnabled(lyxview_->choice_lyxheight, 0);
 534                 setEnabled(lyxview_->input_lyxscale, 1);
 535         } else if (ob == lyxview_->button_latex_values) {
 536                 if (contains(fl_get_choice_text(size_->choice_width),'%'))
 537                         Alert::alert(_("Warning!"),
 538                                      _("The units text%, page%, col% and line% are not allowed here."),
 539                                      _("Cannot use the values from LaTeX size!"));
 540                 else {
 541                         LyXLength dummy =
 542                                 getLyXLengthFromWidgets(size_->input_width,
 543                                                         size_->choice_width);
 544                         updateWidgetsFromLength(lyxview_->input_lyxwidth,
 545                                                 lyxview_->choice_lyxwidth,
 546                                                 dummy, defaultUnit);
 547
 548                         dummy = getLyXLengthFromWidgets(size_->input_height,
 549                                                         size_->choice_height);
 550                         updateWidgetsFromLength(lyxview_->input_lyxheight,
 551                                                 lyxview_->choice_lyxheight,
 552                                                 dummy, defaultUnit);
 553                         string const scale = getStringFromInput(size_->input_scale);
 554                         fl_set_input(lyxview_->input_lyxscale, scale.c_str());
 555                         if (fl_get_button (size_->radio_asis) == 1) {
 556                                 fl_set_button (lyxview_->radio_lyxasis, 1);
 557                                 setEnabled(lyxview_->input_lyxwidth, 0);
 558                                 setEnabled(lyxview_->choice_lyxwidth, 0);
 559                                 setEnabled(lyxview_->input_lyxheight, 0);
 560                                 setEnabled(lyxview_->choice_lyxheight, 0);
 561                                 setEnabled(lyxview_->input_lyxscale, 0);
 562                         } else if (fl_get_button (size_->radio_wh) == 1) {
 563                                 fl_set_button (lyxview_->radio_lyxwh, 1);
 564                                 setEnabled(lyxview_->input_lyxwidth, 1);
 565                                 setEnabled(lyxview_->choice_lyxwidth, 1);
 566                                 setEnabled(lyxview_->input_lyxheight, 1);
 567                                 setEnabled(lyxview_->choice_lyxheight, 1);
 568                                 setEnabled(lyxview_->input_lyxscale, 0);
 569                         } else if (fl_get_button (size_->radio_scale) ==1) {
 570                                 fl_set_button (lyxview_->radio_lyxscale, 1);
 571                                 setEnabled(lyxview_->input_lyxwidth, 0);
 572                                 setEnabled(lyxview_->choice_lyxwidth, 0);
 573                                 setEnabled(lyxview_->input_lyxheight, 0);
 574                                 setEnabled(lyxview_->choice_lyxheight, 0);
 575                                 setEnabled(lyxview_->input_lyxscale, 1);
 576                         }
 577                 }
 578
 579                 // the bb section
 580         } else if (!controller().bbChanged &&
 581                    (ob == bbox_->check_clip  || ob == bbox_->choice_bb_units ||
 582                     ob == bbox_->input_bb_x0 || ob == bbox_->input_bb_y0 ||
 583                     ob == bbox_->input_bb_x1 || ob == bbox_->input_bb_y1)) {
 584                 controller().bbChanged = true;
 585         } else if (ob == bbox_->button_getBB) {
 586                 string const filename = getStringFromInput(file_->input_filename);
 587                 if (!filename.empty()) {
 588                         string bb = controller().readBB(filename);
 589                         if (!bb.empty()) {
 590                                 fl_set_input(bbox_->input_bb_x0, token(bb,' ',0).c_str());
 591                                 fl_set_input(bbox_->input_bb_y0, token(bb,' ',1).c_str());
 592                                 fl_set_input(bbox_->input_bb_x1, token(bb,' ',2).c_str());
 593                                 fl_set_input(bbox_->input_bb_y1, token(bb,' ',3).c_str());
 594                                 string const unit("bp");
 595                                 fl_set_choice_text(bbox_->choice_bb_units, unit.c_str());
 596                         }
 597                         controller().bbChanged = false;
 598                 } else {
 599                         fl_set_input(bbox_->input_bb_x0, "");
 600                         fl_set_input(bbox_->input_bb_y0, "");
 601                         fl_set_input(bbox_->input_bb_x1, "");
 602                         fl_set_input(bbox_->input_bb_y1, "");
 603                         fl_set_choice_text(bbox_->choice_bb_units, "bp");
 604                 }
 605
 606                 // the size section
 607         } else if (ob == size_->radio_asis) {
 608                 setEnabled(size_->input_width, 0);
 609                 setEnabled(size_->choice_width, 0);
 610                 setEnabled(size_->input_height, 0);
 611                 setEnabled(size_->choice_height, 0);
 612                 setEnabled(size_->check_aspectratio, 0);
 613                 setEnabled(size_->input_scale, 0);
 614         } else if (ob == size_->radio_wh) {
 615                 setEnabled(size_->input_width, 1);
 616                 setEnabled(size_->choice_width, 1);
 617                 setEnabled(size_->input_height, 1);
 618                 setEnabled(size_->choice_height, 1);
 619                 setEnabled(size_->check_aspectratio, 1);
 620                 setEnabled(size_->input_scale, 0);
 621         } else if (ob == size_->radio_scale) {
 622                 setEnabled(size_->input_width, 0);
 623                 setEnabled(size_->choice_width, 0);
 624                 setEnabled(size_->input_height, 0);
 625                 setEnabled(size_->choice_height, 0);
 626                 setEnabled(size_->check_aspectratio, 0);
 627                 setEnabled(size_->input_scale, 1);
 628         } else if (ob == size_->button_lyx_values) {
 629                 LyXLength dummy = getLyXLengthFromWidgets(lyxview_->input_lyxwidth,
 630                                                           lyxview_->choice_lyxwidth);
 631                 updateWidgetsFromLength(size_->input_width,
 632                                         size_->choice_width,
 633                                         dummy, defaultUnit);
 634                 dummy = getLyXLengthFromWidgets(lyxview_->input_lyxheight,
 635                                                 lyxview_->choice_lyxheight);
 636                 updateWidgetsFromLength(size_->input_height,
 637                                         size_->choice_height,
 638                                         dummy, defaultUnit);
 639                 string const scale = getStringFromInput(lyxview_->input_lyxscale);
 640                 fl_set_input(size_->input_scale, scale.c_str());
 641                 if (fl_get_button (lyxview_->radio_lyxasis) == 1) {
 642                         fl_set_button (size_->radio_asis, 1);
 643                         setEnabled(size_->input_width, 0);
 644                         setEnabled(size_->choice_width, 0);
 645                         setEnabled(size_->input_height, 0);
 646                         setEnabled(size_->choice_height, 0);
 647                         setEnabled(size_->check_aspectratio, 0);
 648                         setEnabled(size_->input_scale, 0);
 649                 } else if (fl_get_button (lyxview_->radio_lyxwh) == 1) {
 650                         fl_set_button (size_->radio_wh, 1);
 651                         setEnabled(size_->input_width, 1);
 652                         setEnabled(size_->choice_width, 1);
 653                         setEnabled(size_->input_height, 1);
 654                         setEnabled(size_->choice_height, 1);
 655                         setEnabled(size_->check_aspectratio, 1);
 656                         setEnabled(size_->input_scale, 0);
 657                 } else if (fl_get_button (lyxview_->radio_lyxscale) ==1) {
 658                         fl_set_button (size_->radio_scale, 1);
 659                         setEnabled(size_->input_width, 0);
 660                         setEnabled(size_->choice_width, 0);
 661                         setEnabled(size_->input_height, 0);
 662                         setEnabled(size_->choice_height, 0);
 663                         setEnabled(size_->check_aspectratio, 0);
 664                         setEnabled(size_->input_scale, 1);
 665                 }
 666         }
 667
 668         // check if the input is valid
 669         bool invalid = !isValid(bbox_->input_bb_x0);
 670         invalid = invalid || !isValid(bbox_->input_bb_x1);
 671         invalid = invalid || !isValid(bbox_->input_bb_y0);
 672         invalid = invalid || !isValid(bbox_->input_bb_y1);
 673         invalid = invalid || !isValid(size_->input_width);
 674         invalid = invalid || !isValid(size_->input_height);
 675         invalid = invalid || !isValid(lyxview_->input_lyxwidth);
 676         invalid = invalid || !isValid(lyxview_->input_lyxheight);
 677
 678         // deactivate OK/ Apply buttons and
 679         // spit out warnings if invalid
 680         if (ob == bbox_->input_bb_x0 || ob == bbox_->input_bb_x1 ||
 681             ob == bbox_->input_bb_y0 || ob == bbox_->input_bb_y1 ||
 682             ob == size_->input_width || ob == size_->input_height ||
 683             ob == lyxview_->input_lyxwidth || ob == lyxview_->input_lyxheight) {
 684                 if (invalid) {
 685                         postWarning(_("Invalid Length!"));
 686                         return ButtonPolicy::SMI_INVALID;
 687                 } else {
 688                         clearMessage();
 689                 }
 690         }
 691
 692         return ButtonPolicy::SMI_VALID;
 693 }