src/frontends/xforms/FormGraphics.C

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