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 "helper_funcs.h"
  24 #include "input_validators.h"
  25 #include "debug.h" // for lyxerr
  26 #include "support/lstrings.h"  // for strToDbl & tostr
  27 #include "support/filetools.h"  // for MakeAbsPath etc
  28 #include "insets/insetgraphicsParams.h"
  29 #include "lyxrc.h" // for lyxrc.display_graphics
  30
  31 using std::endl;
  32 using std::vector;
  33
  34 namespace {
  35
  36 // Bound the number of input characters
  37 int const SCALE_MAXDIGITS = 3;         // %-value
  38 int const WIDTH_MAXDIGITS = 10;
  39 int const HEIGHT_MAXDIGITS = 10;
  40 int const ROTATE_MAXCHARS = 5;         // like 270.1
  41 int const FILENAME_MAXCHARS = 1024;
  42 string defaultUnit("cm");
  43
  44 /// Given input and choice widgets, create a LyXLength
  45 LyXLength getLyXLengthFromWidgets(FL_OBJECT * input, FL_OBJECT * choice)
  46 {
  47         return LyXLength(getLengthFromWidgets(input, choice));
  48 }
  49
  50 } // namespace anon
  51
  52
  53 typedef FormCB<ControlGraphics, FormDB<FD_form_graphics> > base_class;
  54
  55 FormGraphics::FormGraphics(ControlGraphics & c)
  56         : base_class(c, _("Graphics"), false)
  57 {}
  58
  59
  60 void FormGraphics::redraw()
  61 {
  62         if (form() && form()->visible)
  63                 fl_redraw_form(form());
  64         else
  65                 return;
  66         FL_FORM * outer_form = fl_get_active_folder(dialog_->tabfolder);
  67         if (outer_form && outer_form->visible)
  68                 fl_redraw_form(outer_form);
  69 }
  70
  71
  72 void FormGraphics::build()
  73 {
  74         dialog_.reset(build_graphics());
  75
  76         // Allow the base class to control messages
  77         setMessageWidget(dialog_->text_warning);
  78
  79         // Manage the ok, apply, restore and cancel/close buttons
  80         bc().setOK(dialog_->button_ok);
  81         bc().setApply(dialog_->button_apply);
  82         bc().setCancel(dialog_->button_close);
  83         bc().setRestore(dialog_->button_restore);
  84
  85         // the file section
  86         file_.reset(build_file());
  87
  88         fl_set_input_return (file_->input_filename, FL_RETURN_CHANGED);
  89         fl_set_input_return (file_->input_subcaption, FL_RETURN_CHANGED);
  90         fl_set_input_return (file_->input_rotate_angle, FL_RETURN_CHANGED);
  91         fl_set_input_maxchars(file_->input_filename,  FILENAME_MAXCHARS);
  92         fl_set_input_maxchars(file_->input_rotate_angle, ROTATE_MAXCHARS);
  93         fl_set_input_filter(file_->input_rotate_angle, fl_float_filter);
  94
  95         setPrehandler(file_->input_filename);
  96         setPrehandler(file_->input_subcaption);
  97         setPrehandler(file_->input_rotate_angle);
  98
  99         using namespace frnt;
 100         vector<RotationOriginPair> origindata = getRotationOriginData();
 101
 102         // Store the identifiers for later
 103         origins_ = getSecond(origindata);
 104
 105         string const choice =
 106                 " " + getStringFromVector(getFirst(origindata), " | ") +" ";
 107         fl_addto_choice(file_->choice_origin, choice.c_str());
 108
 109         bc().addReadOnly(file_->button_browse);
 110         bc().addReadOnly(file_->check_subcaption);
 111         bc().addReadOnly(file_->check_rotate);
 112         bc().addReadOnly(file_->check_draft);
 113         bc().addReadOnly(file_->check_nounzip);
 114
 115         // the lyxview section
 116         lyxview_.reset(build_lyxview());
 117
 118         fl_set_input_return (lyxview_->input_lyxwidth, FL_RETURN_CHANGED);
 119         fl_set_input_return (lyxview_->input_lyxheight, FL_RETURN_CHANGED);
 120         fl_set_input_return (lyxview_->input_lyxscale, FL_RETURN_CHANGED);
 121
 122         setPrehandler(lyxview_->input_lyxwidth);
 123         setPrehandler(lyxview_->input_lyxheight);
 124         setPrehandler(lyxview_->input_lyxscale);
 125
 126         fl_addto_choice(lyxview_->choice_lyxwidth, choice_Length_WithUnit.c_str());
 127         fl_addto_choice(lyxview_->choice_lyxheight, choice_Length_WithUnit.c_str());
 128
 129         bc().addReadOnly(lyxview_->radio_pref);
 130         bc().addReadOnly(lyxview_->radio_mono);
 131         bc().addReadOnly(lyxview_->radio_gray);
 132         bc().addReadOnly(lyxview_->radio_color);
 133         bc().addReadOnly(lyxview_->radio_nodisplay);
 134
 135         // the size section
 136         size_.reset(build_size());
 137
 138         fl_set_input_return (size_->input_scale, FL_RETURN_CHANGED);
 139         fl_set_input_return (size_->input_width, FL_RETURN_CHANGED);
 140         fl_set_input_return (size_->input_height, FL_RETURN_CHANGED);
 141
 142         setPrehandler(size_->input_scale);
 143         setPrehandler(size_->input_width);
 144         setPrehandler(size_->input_height);
 145
 146         fl_set_input_maxchars(size_->input_scale, SCALE_MAXDIGITS);
 147         fl_set_input_maxchars(size_->input_width, WIDTH_MAXDIGITS);
 148         fl_set_input_maxchars(size_->input_height, HEIGHT_MAXDIGITS);
 149
 150         fl_set_input_filter(size_->input_scale,  fl_unsigned_float_filter);
 151
 152         fl_addto_choice(size_->choice_width, choice_Length_All.c_str());
 153         fl_addto_choice(size_->choice_height, choice_Length_All.c_str());
 154
 155         bc().addReadOnly(size_->radio_asis);
 156         bc().addReadOnly(size_->radio_wh);
 157         bc().addReadOnly(size_->radio_scale);
 158         bc().addReadOnly(size_->check_aspectratio);
 159
 160         // the bounding box selection
 161         bbox_.reset(build_bbox());
 162         fl_set_input_return (bbox_->input_bb_x0, FL_RETURN_CHANGED);
 163         fl_set_input_return (bbox_->input_bb_y0, FL_RETURN_CHANGED);
 164         fl_set_input_return (bbox_->input_bb_x1, FL_RETURN_CHANGED);
 165         fl_set_input_return (bbox_->input_bb_y1, FL_RETURN_CHANGED);
 166
 167         fl_set_input_filter(bbox_->input_bb_x0,  fl_unsigned_float_filter);
 168         fl_set_input_filter(bbox_->input_bb_y0,  fl_unsigned_float_filter);
 169         fl_set_input_filter(bbox_->input_bb_x1,  fl_unsigned_float_filter);
 170         fl_set_input_filter(bbox_->input_bb_y1,  fl_unsigned_float_filter);
 171
 172         setPrehandler(bbox_->input_bb_x0);
 173         setPrehandler(bbox_->input_bb_y0);
 174         setPrehandler(bbox_->input_bb_x1);
 175         setPrehandler(bbox_->input_bb_y1);
 176
 177         string const bb_units = "bp|cm|mm|in";
 178         fl_addto_choice(bbox_->choice_bb_units, bb_units.c_str());
 179         bc().addReadOnly(bbox_->button_getBB);
 180         bc().addReadOnly(bbox_->check_clip);
 181
 182         // the rotate section
 183         special_.reset(build_special());
 184
 185         fl_set_input_return (special_->input_special, FL_RETURN_CHANGED);
 186         setPrehandler(special_->input_special);
 187
 188         // add the different tabfolders
 189         fl_addto_tabfolder(dialog_->tabfolder, _("File"), file_->form);
 190         fl_addto_tabfolder(dialog_->tabfolder, _("LyX View"), lyxview_->form);
 191         fl_addto_tabfolder(dialog_->tabfolder, _("LaTeX Size"), size_->form);
 192         fl_addto_tabfolder(dialog_->tabfolder, _("Bounding Box"), bbox_->form);
 193         fl_addto_tabfolder(dialog_->tabfolder, _("Extras"), special_->form);
 194         // set the right default unit
 195         if (lyxrc.default_papersize < 3)
 196                 defaultUnit = "in";
 197 }
 198
 199
 200 void FormGraphics::apply()
 201 {
 202         // Create the parameters structure and fill the data from the dialog.
 203         InsetGraphicsParams & igp = controller().params();
 204
 205         // the file section
 206         igp.filename = getStringFromInput(file_->input_filename);
 207         igp.subcaption = fl_get_button(file_->check_subcaption);
 208         igp.subcaptionText = getStringFromInput(file_->input_subcaption);
 209         igp.rotate = fl_get_button(file_->check_rotate);
 210         igp.rotateAngle =
 211                 strToDbl(getStringFromInput(file_->input_rotate_angle));
 212         while (igp.rotateAngle < 0.0 || igp.rotateAngle > 360.0) {
 213                 if (igp.rotateAngle < 0.0) {
 214                         igp.rotateAngle += 360.0;
 215                 } else if (igp.rotateAngle > 360.0) {
 216                         igp.rotateAngle -= 360.0;
 217                 }
 218         }
 219         int const pos = fl_get_choice(file_->choice_origin);
 220         if (pos > 0)
 221                 igp.rotateOrigin = origins_[pos-1];
 222         else
 223                 igp.rotateOrigin = string();
 224
 225         igp.draft = fl_get_button(file_->check_draft);
 226         igp.noUnzip = fl_get_button(file_->check_nounzip);
 227
 228         // the lyxview section
 229         if (fl_get_button(lyxview_->radio_pref))
 230                 igp.display = InsetGraphicsParams::DEFAULT;
 231         else if (fl_get_button(lyxview_->radio_mono))
 232                 igp.display = InsetGraphicsParams::MONOCHROME;
 233         else if (fl_get_button(lyxview_->radio_gray))
 234                 igp.display = InsetGraphicsParams::GRAYSCALE;
 235         else if (fl_get_button(lyxview_->radio_color))
 236                 igp.display = InsetGraphicsParams::COLOR;
 237         else if (fl_get_button(lyxview_->radio_nodisplay))
 238                 igp.display = InsetGraphicsParams::NONE;
 239
 240         if (fl_get_button(lyxview_->radio_lyxasis))
 241                 igp.lyxsize_type = InsetGraphicsParams::DEFAULT_SIZE;
 242         else if (fl_get_button(lyxview_->radio_lyxwh))
 243                 igp.lyxsize_type = InsetGraphicsParams::WH;
 244         else
 245                 igp.lyxsize_type = InsetGraphicsParams::SCALE;
 246
 247         igp.lyxwidth = getLyXLengthFromWidgets(lyxview_->input_lyxwidth,
 248                                                lyxview_->choice_lyxwidth);
 249
 250         igp.lyxheight = getLyXLengthFromWidgets(lyxview_->input_lyxheight,
 251                                                 lyxview_->choice_lyxheight);
 252
 253         igp.lyxscale = strToInt(getStringFromInput(lyxview_->input_lyxscale));
 254
 255         // the size section
 256         if (fl_get_button(size_->radio_asis))
 257                 igp.size_type = InsetGraphicsParams::DEFAULT_SIZE;
 258         else if (fl_get_button(size_->radio_wh))
 259                 igp.size_type = InsetGraphicsParams::WH;
 260         else
 261                 igp.size_type = InsetGraphicsParams::SCALE;
 262
 263         igp.width = getLyXLengthFromWidgets(size_->input_width,
 264                                             size_->choice_width);
 265
 266         igp.height = getLyXLengthFromWidgets(size_->input_height,
 267                                    size_->choice_height);
 268
 269         igp.scale = strToInt(getStringFromInput(size_->input_scale));
 270         igp.keepAspectRatio = fl_get_button(size_->check_aspectratio);
 271
 272         // the bb section
 273         if (!controller().bbChanged)            // different to the original one?
 274                 igp.bb = string();                      // don't write anything
 275         else {
 276                 string bb;
 277                 if (getStringFromInput(bbox_->input_bb_x0).empty())
 278                         bb = "0 ";
 279                 else
 280                         bb = getLengthFromWidgets(bbox_->input_bb_x0,
 281                                                   bbox_->choice_bb_units)+" ";
 282                 if (getStringFromInput(bbox_->input_bb_y0).empty())
 283                         bb += "0 ";
 284                 else
 285                         bb += (getLengthFromWidgets(bbox_->input_bb_y0,
 286                                                     bbox_->choice_bb_units)+" ");
 287                 if (getStringFromInput(bbox_->input_bb_x1).empty())
 288                         bb += "0 ";
 289                 else
 290                         bb += (getLengthFromWidgets(bbox_->input_bb_x1,
 291                                                     bbox_->choice_bb_units)+" ");
 292                 if (getStringFromInput(bbox_->input_bb_y1).empty())
 293                         bb += "0 ";
 294                 else
 295                         bb += (getLengthFromWidgets(bbox_->input_bb_y1,
 296                                                     bbox_->choice_bb_units)+" ");
 297                 igp.bb = bb;
 298         }
 299         igp.clip = fl_get_button(bbox_->check_clip);
 300
 301         // the special section
 302         igp.special = getStringFromInput(special_->input_special);
 303 }
 304
 305
 306 void FormGraphics::update() {
 307         // Update dialog with details from inset
 308         InsetGraphicsParams & igp = controller().params();
 309
 310         // the file section
 311         fl_set_input(file_->input_filename, igp.filename.c_str());
 312         fl_set_button(file_->check_subcaption, igp.subcaption);
 313         fl_set_input(file_->input_subcaption, igp.subcaptionText.c_str());
 314         setEnabled(file_->input_subcaption,
 315                    fl_get_button(file_->check_subcaption));
 316         fl_set_button(file_->check_rotate, igp.rotate);
 317         fl_set_input(file_->input_rotate_angle,
 318                      tostr(igp.rotateAngle).c_str());
 319         if (igp.rotateOrigin.empty())
 320                 fl_set_choice(file_->choice_origin,1);
 321         else {
 322                 int pos = int(findPos(origins_, igp.rotateOrigin));
 323                 fl_set_choice(file_->choice_origin, pos+1);
 324         }
 325
 326         setEnabled(file_->input_rotate_angle,
 327                    fl_get_button(file_->check_rotate));
 328         setEnabled(file_->choice_origin,
 329                    fl_get_button(file_->check_rotate));
 330         fl_set_button(file_->check_draft, igp.draft);
 331         fl_set_button(file_->check_nounzip, igp.noUnzip);
 332
 333         // the lyxview section
 334         switch (igp.display) {
 335         case InsetGraphicsParams::DEFAULT:
 336                 fl_set_button(lyxview_->radio_pref, 1);
 337                 break;
 338         case InsetGraphicsParams::MONOCHROME:
 339                 fl_set_button(lyxview_->radio_mono, 1);
 340                 break;
 341         case InsetGraphicsParams::GRAYSCALE:
 342                 fl_set_button(lyxview_->radio_gray, 1);
 343                 break;
 344         case InsetGraphicsParams::COLOR:
 345                 fl_set_button(lyxview_->radio_color, 1);
 346                 break;
 347         case InsetGraphicsParams::NONE:
 348                 fl_set_button(lyxview_->radio_nodisplay, 1);
 349                 break;
 350         }
 351         updateWidgetsFromLength(lyxview_->input_lyxwidth,
 352                                 lyxview_->choice_lyxwidth, igp.lyxwidth, defaultUnit);
 353         updateWidgetsFromLength(lyxview_->input_lyxheight,
 354                                 lyxview_->choice_lyxheight, igp.lyxheight, defaultUnit);
 355         fl_set_input(lyxview_->input_lyxscale, tostr(igp.lyxscale).c_str());
 356         switch (igp.lyxsize_type) {
 357         case InsetGraphicsParams::DEFAULT_SIZE: {
 358                 fl_set_button(lyxview_->radio_lyxasis,1);
 359                 setEnabled(lyxview_->input_lyxwidth, 0);
 360                 setEnabled(lyxview_->choice_lyxwidth, 0);
 361                 setEnabled(lyxview_->input_lyxheight, 0);
 362                 setEnabled(lyxview_->choice_lyxheight, 0);
 363                 setEnabled(lyxview_->input_lyxscale, 0);
 364                 break;
 365         }
 366         case InsetGraphicsParams::WH: {
 367                 fl_set_button(lyxview_->radio_lyxwh, 1);
 368                 setEnabled(lyxview_->input_lyxwidth, 1);
 369                 setEnabled(lyxview_->choice_lyxwidth, 1);
 370                 setEnabled(lyxview_->input_lyxheight, 1);
 371                 setEnabled(lyxview_->choice_lyxheight, 1);
 372                 setEnabled(lyxview_->input_lyxscale, 0);
 373                 break;
 374         }
 375         case InsetGraphicsParams::SCALE: {
 376                 fl_set_button(lyxview_->radio_lyxscale, 1);
 377                 setEnabled(lyxview_->input_lyxwidth, 0);
 378                 setEnabled(lyxview_->choice_lyxwidth, 0);
 379                 setEnabled(lyxview_->input_lyxheight, 0);
 380                 setEnabled(lyxview_->choice_lyxheight, 0);
 381                 setEnabled(lyxview_->input_lyxscale, 1);
 382                 break;
 383         }
 384         }
 385
 386         // the size section
 387         // Update the draft and clip mode
 388         updateWidgetsFromLength(size_->input_width,
 389                                 size_->choice_width, igp.width, defaultUnit);
 390         updateWidgetsFromLength(size_->input_height,
 391                                 size_->choice_height, igp.height, defaultUnit);
 392         fl_set_input(size_->input_scale, tostr(igp.scale).c_str());
 393         switch (igp.size_type) {
 394         case InsetGraphicsParams::DEFAULT_SIZE: {
 395                 fl_set_button(size_->radio_asis,1);
 396                 setEnabled(size_->input_width, 0);
 397                 setEnabled(size_->choice_width, 0);
 398                 setEnabled(size_->input_height, 0);
 399                 setEnabled(size_->choice_height, 0);
 400                 setEnabled(size_->check_aspectratio, 0);
 401                 setEnabled(size_->input_scale, 0);
 402                 break;
 403         }
 404         case InsetGraphicsParams::WH: {
 405                 fl_set_button(size_->radio_wh, 1);
 406                 setEnabled(size_->input_width, 1);
 407                 setEnabled(size_->choice_width, 1);
 408                 setEnabled(size_->input_height, 1);
 409                 setEnabled(size_->choice_height, 1);
 410                 setEnabled(size_->check_aspectratio, 1);
 411                 setEnabled(size_->input_scale, 0);
 412                 break;
 413         }
 414         case InsetGraphicsParams::SCALE: {
 415                 fl_set_button(size_->radio_scale, 1);
 416                 setEnabled(size_->input_width, 0);
 417                 setEnabled(size_->choice_width, 0);
 418                 setEnabled(size_->input_height, 0);
 419                 setEnabled(size_->choice_height, 0);
 420                 setEnabled(size_->check_aspectratio, 0);
 421                 setEnabled(size_->input_scale, 1);
 422                 break;
 423         }
 424         }
 425         fl_set_button(size_->check_aspectratio, igp.keepAspectRatio);
 426
 427         // the bb section
 428         // set the bounding box values, if exists. First we need the whole
 429         // path, because the controller knows nothing about the doc-dir
 430         updateBB(igp.filename, igp.bb);
 431         fl_set_button(bbox_->check_clip, igp.clip);
 432
 433         // the special section
 434         fl_set_input(special_->input_special, igp.special.c_str());
 435 }
 436
 437
 438 void FormGraphics::updateBB(string const & filename, string const & bb_inset)
 439 {
 440         // Update dialog with details from inset
 441         // set the bounding box values, if exists. First we need the whole
 442         // path, because the controller knows nothing about the doc-dir
 443         controller().bbChanged = false;
 444         if (bb_inset.empty()) {
 445                 lyxerr[Debug::GRAPHICS] << "update:: no BoundingBox" << endl;
 446                 string const bb = controller().readBB(filename);
 447                 if (!bb.empty()) {
 448                         // get the values from the file
 449                         // in this case we always have the point-unit
 450                         fl_set_input(bbox_->input_bb_x0,
 451                                      token(bb,' ',0).c_str());
 452                         fl_set_input(bbox_->input_bb_y0,
 453                                      token(bb,' ',1).c_str());
 454                         fl_set_input(bbox_->input_bb_x1,
 455                                      token(bb,' ',2).c_str());
 456                         fl_set_input(bbox_->input_bb_y1,
 457                                      token(bb,' ',3).c_str());
 458
 459                 } else {
 460                         // no bb from file
 461                         fl_set_input(bbox_->input_bb_x0, bb.c_str());
 462                         fl_set_input(bbox_->input_bb_y0, bb.c_str());
 463                         fl_set_input(bbox_->input_bb_x1, bb.c_str());
 464                         fl_set_input(bbox_->input_bb_y1, bb.c_str());
 465                 }
 466                 // "bp"
 467                 fl_set_choice(bbox_->choice_bb_units, 1);
 468
 469         } else {
 470                 // get the values from the inset
 471                 lyxerr[Debug::GRAPHICS] << "update:: igp has BoundingBox"
 472                                         << endl;
 473                 controller().bbChanged = true;
 474                 LyXLength anyLength;
 475                 anyLength = LyXLength(token(bb_inset,' ',0));
 476                 updateWidgetsFromLength(bbox_->input_bb_x0,
 477                                         bbox_->choice_bb_units,anyLength,"bp");
 478                 anyLength = LyXLength(token(bb_inset,' ',1));
 479                 updateWidgetsFromLength(bbox_->input_bb_y0,
 480                                         bbox_->choice_bb_units,anyLength,"bp");
 481                 anyLength = LyXLength(token(bb_inset,' ',2));
 482                 updateWidgetsFromLength(bbox_->input_bb_x1,
 483                                         bbox_->choice_bb_units,anyLength,"bp");
 484                 anyLength = LyXLength(token(bb_inset,' ',3));
 485                 updateWidgetsFromLength(bbox_->input_bb_y1,
 486                                         bbox_->choice_bb_units,anyLength,"bp");
 487         }
 488 }
 489
 490 namespace {
 491
 492 bool isValid(FL_OBJECT * ob)
 493 {
 494         string const input = getStringFromInput(ob);
 495         return input.empty() || isValidLength(input) || isStrDbl(input);
 496 }
 497
 498 } // namespace anon
 499
 500
 501
 502 ButtonPolicy::SMInput FormGraphics::input(FL_OBJECT * ob, long)
 503 {
 504         // the file section
 505         if (ob == file_->button_browse) {
 506                 // Get the filename from the dialog
 507                 string const in_name = getStringFromInput(file_->input_filename);
 508                 string const out_name = controller().Browse(in_name);
 509                 lyxerr[Debug::GRAPHICS] << "[FormGraphics]out_name: " << out_name << endl;
 510                 if (out_name != in_name && !out_name.empty()) {
 511                         fl_set_input(file_->input_filename, out_name.c_str());
 512                 }
 513                 if (controller().isFilenameValid(out_name) &&
 514                     !controller().bbChanged)
 515                         updateBB(out_name, string());
 516
 517         } else if (ob == file_->check_subcaption) {
 518                 setEnabled(file_->input_subcaption,
 519                            fl_get_button(file_->check_subcaption));
 520         } else if (ob == file_->check_rotate) {
 521                 setEnabled(file_->input_rotate_angle,
 522                            fl_get_button(file_->check_rotate));
 523                 setEnabled(file_->choice_origin,
 524                            fl_get_button(file_->check_rotate));
 525
 526                 // the lyxview section
 527         } else if (ob == lyxview_->radio_lyxasis) {
 528                 setEnabled(lyxview_->input_lyxwidth, 0);
 529                 setEnabled(lyxview_->choice_lyxwidth, 0);
 530                 setEnabled(lyxview_->input_lyxheight, 0);
 531                 setEnabled(lyxview_->choice_lyxheight, 0);
 532                 setEnabled(lyxview_->input_lyxscale, 0);
 533         } else if (ob == lyxview_->radio_lyxwh) {
 534                 setEnabled(lyxview_->input_lyxwidth, 1);
 535                 setEnabled(lyxview_->choice_lyxwidth, 1);
 536                 setEnabled(lyxview_->input_lyxheight, 1);
 537                 setEnabled(lyxview_->choice_lyxheight, 1);
 538                 setEnabled(lyxview_->input_lyxscale, 0);
 539         } else if (ob == lyxview_->radio_lyxscale) {
 540                 setEnabled(lyxview_->input_lyxwidth, 0);
 541                 setEnabled(lyxview_->choice_lyxwidth, 0);
 542                 setEnabled(lyxview_->input_lyxheight, 0);
 543                 setEnabled(lyxview_->choice_lyxheight, 0);
 544                 setEnabled(lyxview_->input_lyxscale, 1);
 545         } else if (ob == lyxview_->button_latex_values) {
 546                 if (contains(fl_get_choice_text(size_->choice_width),'%'))
 547                         Alert::alert(_("Warning!"),
 548                                      _("The units text%, page%, col% and line% are not allowed here."),
 549                                      _("Cannot use the values from LaTeX size!"));
 550                 else {
 551                         LyXLength dummy =
 552                                 getLyXLengthFromWidgets(size_->input_width,
 553                                                         size_->choice_width);
 554                         updateWidgetsFromLength(lyxview_->input_lyxwidth,
 555                                                 lyxview_->choice_lyxwidth,
 556                                                 dummy, defaultUnit);
 557
 558                         dummy = getLyXLengthFromWidgets(size_->input_height,
 559                                                         size_->choice_height);
 560                         updateWidgetsFromLength(lyxview_->input_lyxheight,
 561                                                 lyxview_->choice_lyxheight,
 562                                                 dummy, defaultUnit);
 563                         string const scale = getStringFromInput(size_->input_scale);
 564                         fl_set_input(lyxview_->input_lyxscale, scale.c_str());
 565                         if (fl_get_button (size_->radio_asis) == 1) {
 566                                 fl_set_button (lyxview_->radio_lyxasis, 1);
 567                                 setEnabled(lyxview_->input_lyxwidth, 0);
 568                                 setEnabled(lyxview_->choice_lyxwidth, 0);
 569                                 setEnabled(lyxview_->input_lyxheight, 0);
 570                                 setEnabled(lyxview_->choice_lyxheight, 0);
 571                                 setEnabled(lyxview_->input_lyxscale, 0);
 572                         } else if (fl_get_button (size_->radio_wh) == 1) {
 573                                 fl_set_button (lyxview_->radio_lyxwh, 1);
 574                                 setEnabled(lyxview_->input_lyxwidth, 1);
 575                                 setEnabled(lyxview_->choice_lyxwidth, 1);
 576                                 setEnabled(lyxview_->input_lyxheight, 1);
 577                                 setEnabled(lyxview_->choice_lyxheight, 1);
 578                                 setEnabled(lyxview_->input_lyxscale, 0);
 579                         } else if (fl_get_button (size_->radio_scale) ==1) {
 580                                 fl_set_button (lyxview_->radio_lyxscale, 1);
 581                                 setEnabled(lyxview_->input_lyxwidth, 0);
 582                                 setEnabled(lyxview_->choice_lyxwidth, 0);
 583                                 setEnabled(lyxview_->input_lyxheight, 0);
 584                                 setEnabled(lyxview_->choice_lyxheight, 0);
 585                                 setEnabled(lyxview_->input_lyxscale, 1);
 586                         }
 587                 }
 588
 589                 // the bb section
 590         } else if (!controller().bbChanged &&
 591                    (ob == bbox_->check_clip  || ob == bbox_->choice_bb_units ||
 592                     ob == bbox_->input_bb_x0 || ob == bbox_->input_bb_y0 ||
 593                     ob == bbox_->input_bb_x1 || ob == bbox_->input_bb_y1)) {
 594                 controller().bbChanged = true;
 595         } else if (ob == bbox_->button_getBB) {
 596                 string const filename = getStringFromInput(file_->input_filename);
 597                 if (!filename.empty()) {
 598                         string bb = controller().readBB(filename);
 599                         if (!bb.empty()) {
 600                                 fl_set_input(bbox_->input_bb_x0, token(bb,' ',0).c_str());
 601                                 fl_set_input(bbox_->input_bb_y0, token(bb,' ',1).c_str());
 602                                 fl_set_input(bbox_->input_bb_x1, token(bb,' ',2).c_str());
 603                                 fl_set_input(bbox_->input_bb_y1, token(bb,' ',3).c_str());
 604                                 string const unit("bp");
 605                                 fl_set_choice_text(bbox_->choice_bb_units, unit.c_str());
 606                         }
 607                         controller().bbChanged = false;
 608                 } else {
 609                         fl_set_input(bbox_->input_bb_x0, "");
 610                         fl_set_input(bbox_->input_bb_y0, "");
 611                         fl_set_input(bbox_->input_bb_x1, "");
 612                         fl_set_input(bbox_->input_bb_y1, "");
 613                         fl_set_choice_text(bbox_->choice_bb_units, "bp");
 614                 }
 615
 616                 // the size section
 617         } else if (ob == size_->radio_asis) {
 618                 setEnabled(size_->input_width, 0);
 619                 setEnabled(size_->choice_width, 0);
 620                 setEnabled(size_->input_height, 0);
 621                 setEnabled(size_->choice_height, 0);
 622                 setEnabled(size_->check_aspectratio, 0);
 623                 setEnabled(size_->input_scale, 0);
 624         } else if (ob == size_->radio_wh) {
 625                 setEnabled(size_->input_width, 1);
 626                 setEnabled(size_->choice_width, 1);
 627                 setEnabled(size_->input_height, 1);
 628                 setEnabled(size_->choice_height, 1);
 629                 setEnabled(size_->check_aspectratio, 1);
 630                 setEnabled(size_->input_scale, 0);
 631         } else if (ob == size_->radio_scale) {
 632                 setEnabled(size_->input_width, 0);
 633                 setEnabled(size_->choice_width, 0);
 634                 setEnabled(size_->input_height, 0);
 635                 setEnabled(size_->choice_height, 0);
 636                 setEnabled(size_->check_aspectratio, 0);
 637                 setEnabled(size_->input_scale, 1);
 638         } else if (ob == size_->button_lyx_values) {
 639                 LyXLength dummy = getLyXLengthFromWidgets(lyxview_->input_lyxwidth,
 640                                                           lyxview_->choice_lyxwidth);
 641                 updateWidgetsFromLength(size_->input_width,
 642                                         size_->choice_width,
 643                                         dummy, defaultUnit);
 644                 dummy = getLyXLengthFromWidgets(lyxview_->input_lyxheight,
 645                                                 lyxview_->choice_lyxheight);
 646                 updateWidgetsFromLength(size_->input_height,
 647                                         size_->choice_height,
 648                                         dummy, defaultUnit);
 649                 string const scale = getStringFromInput(lyxview_->input_lyxscale);
 650                 fl_set_input(size_->input_scale, scale.c_str());
 651                 if (fl_get_button (lyxview_->radio_lyxasis) == 1) {
 652                         fl_set_button (size_->radio_asis, 1);
 653                         setEnabled(size_->input_width, 0);
 654                         setEnabled(size_->choice_width, 0);
 655                         setEnabled(size_->input_height, 0);
 656                         setEnabled(size_->choice_height, 0);
 657                         setEnabled(size_->check_aspectratio, 0);
 658                         setEnabled(size_->input_scale, 0);
 659                 } else if (fl_get_button (lyxview_->radio_lyxwh) == 1) {
 660                         fl_set_button (size_->radio_wh, 1);
 661                         setEnabled(size_->input_width, 1);
 662                         setEnabled(size_->choice_width, 1);
 663                         setEnabled(size_->input_height, 1);
 664                         setEnabled(size_->choice_height, 1);
 665                         setEnabled(size_->check_aspectratio, 1);
 666                         setEnabled(size_->input_scale, 0);
 667                 } else if (fl_get_button (lyxview_->radio_lyxscale) ==1) {
 668                         fl_set_button (size_->radio_scale, 1);
 669                         setEnabled(size_->input_width, 0);
 670                         setEnabled(size_->choice_width, 0);
 671                         setEnabled(size_->input_height, 0);
 672                         setEnabled(size_->choice_height, 0);
 673                         setEnabled(size_->check_aspectratio, 0);
 674                         setEnabled(size_->input_scale, 1);
 675                 }
 676         }
 677
 678         // check if the input is valid
 679         bool invalid = !isValid(bbox_->input_bb_x0);
 680         invalid = invalid || !isValid(bbox_->input_bb_x1);
 681         invalid = invalid || !isValid(bbox_->input_bb_y0);
 682         invalid = invalid || !isValid(bbox_->input_bb_y1);
 683         invalid = invalid || !isValid(size_->input_width);
 684         invalid = invalid || !isValid(size_->input_height);
 685         invalid = invalid || !isValid(lyxview_->input_lyxwidth);
 686         invalid = invalid || !isValid(lyxview_->input_lyxheight);
 687
 688         // deactivate OK/ Apply buttons and
 689         // spit out warnings if invalid
 690         if (ob == bbox_->input_bb_x0 || ob == bbox_->input_bb_x1 ||
 691             ob == bbox_->input_bb_y0 || ob == bbox_->input_bb_y1 ||
 692             ob == size_->input_width || ob == size_->input_height ||
 693             ob == lyxview_->input_lyxwidth || ob == lyxview_->input_lyxheight) {
 694                 if (invalid) {
 695                         postWarning(_("Invalid Length!"));
 696                         return ButtonPolicy::SMI_INVALID;
 697                 } else {
 698                         clearMessage();
 699                 }
 700         }
 701
 702         return ButtonPolicy::SMI_VALID;
 703 }