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 "forms/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 #include FORMS_H_LOCATION
  31
  32 using std::endl;
  33 using std::vector;
  34
  35 namespace {
  36
  37 // Bound the number of input characters
  38 int const SCALE_MAXDIGITS = 3;         // %-value
  39 int const WIDTH_MAXDIGITS = 10;
  40 int const HEIGHT_MAXDIGITS = 10;
  41 int const ROTATE_MAXCHARS = 5;         // like 270.1
  42 int const FILENAME_MAXCHARS = 1024;
  43 string defaultUnit("cm");
  44
  45 /// Given input and choice widgets, create a LyXLength
  46 LyXLength getLyXLengthFromWidgets(FL_OBJECT * input, FL_OBJECT * choice)
  47 {
  48         return LyXLength(getLengthFromWidgets(input, choice));
  49 }
  50
  51 } // namespace anon
  52
  53
  54 typedef FormCB<ControlGraphics, FormDB<FD_graphics> > base_class;
  55
  56 FormGraphics::FormGraphics(ControlGraphics & c, Dialogs & d)
  57         : base_class(c, d, _("Graphics"), false)
  58 {}
  59
  60
  61 void FormGraphics::redraw()
  62 {
  63         if (form() && form()->visible)
  64                 fl_redraw_form(form());
  65         else
  66                 return;
  67         FL_FORM * outer_form = fl_get_active_folder(dialog_->tabfolder);
  68         if (outer_form && outer_form->visible)
  69                 fl_redraw_form(outer_form);
  70 }
  71
  72
  73 void FormGraphics::build()
  74 {
  75         dialog_.reset(build_graphics(this));
  76
  77         // Allow the base class to control messages
  78         setMessageWidget(dialog_->text_warning);
  79
  80         // Manage the ok, apply, restore and cancel/close buttons
  81         bc().setOK(dialog_->button_ok);
  82         bc().setApply(dialog_->button_apply);
  83         bc().setCancel(dialog_->button_close);
  84         bc().setRestore(dialog_->button_restore);
  85
  86         // the file section
  87         file_.reset(build_graphics_file(this));
  88
  89         fl_set_input_return (file_->input_filename, FL_RETURN_CHANGED);
  90         fl_set_input_return (file_->input_subcaption, FL_RETURN_CHANGED);
  91         fl_set_input_return (file_->input_rotate_angle, FL_RETURN_CHANGED);
  92         fl_set_input_maxchars(file_->input_filename,  FILENAME_MAXCHARS);
  93         fl_set_input_maxchars(file_->input_rotate_angle, ROTATE_MAXCHARS);
  94         fl_set_input_filter(file_->input_rotate_angle, fl_float_filter);
  95
  96         setPrehandler(file_->input_filename);
  97         setPrehandler(file_->input_subcaption);
  98         setPrehandler(file_->input_rotate_angle);
  99
 100         using namespace frnt;
 101         vector<RotationOriginPair> origindata = getRotationOriginData();
 102
 103         // Store the identifiers for later
 104         origins_ = getSecond(origindata);
 105
 106         string const choice =
 107                 " " + getStringFromVector(getFirst(origindata), " | ") +" ";
 108         fl_addto_choice(file_->choice_origin, choice.c_str());
 109
 110         bc().addReadOnly(file_->button_browse);
 111         bc().addReadOnly(file_->check_subcaption);
 112         bc().addReadOnly(file_->check_rotate);
 113         bc().addReadOnly(file_->check_draft);
 114         bc().addReadOnly(file_->check_nounzip);
 115
 116         // the lyxview section
 117         lyxview_.reset(build_graphics_lyxview(this));
 118
 119         fl_set_input_return (lyxview_->input_lyxwidth, FL_RETURN_CHANGED);
 120         fl_set_input_return (lyxview_->input_lyxheight, FL_RETURN_CHANGED);
 121         fl_set_input_return (lyxview_->input_lyxscale, FL_RETURN_CHANGED);
 122
 123         setPrehandler(lyxview_->input_lyxwidth);
 124         setPrehandler(lyxview_->input_lyxheight);
 125         setPrehandler(lyxview_->input_lyxscale);
 126
 127         fl_addto_choice(lyxview_->choice_lyxwidth, choice_Length_WithUnit.c_str());
 128         fl_addto_choice(lyxview_->choice_lyxheight, choice_Length_WithUnit.c_str());
 129
 130         bc().addReadOnly(lyxview_->radio_pref);
 131         bc().addReadOnly(lyxview_->radio_mono);
 132         bc().addReadOnly(lyxview_->radio_gray);
 133         bc().addReadOnly(lyxview_->radio_color);
 134         bc().addReadOnly(lyxview_->radio_nodisplay);
 135
 136         // the size section
 137         size_.reset(build_graphics_size(this));
 138
 139         fl_set_input_return (size_->input_scale, FL_RETURN_CHANGED);
 140         fl_set_input_return (size_->input_width, FL_RETURN_CHANGED);
 141         fl_set_input_return (size_->input_height, FL_RETURN_CHANGED);
 142
 143         setPrehandler(size_->input_scale);
 144         setPrehandler(size_->input_width);
 145         setPrehandler(size_->input_height);
 146
 147         fl_set_input_maxchars(size_->input_scale, SCALE_MAXDIGITS);
 148         fl_set_input_maxchars(size_->input_width, WIDTH_MAXDIGITS);
 149         fl_set_input_maxchars(size_->input_height, HEIGHT_MAXDIGITS);
 150
 151         fl_set_input_filter(size_->input_scale,  fl_unsigned_float_filter);
 152
 153         fl_addto_choice(size_->choice_width, choice_Length_All.c_str());
 154         fl_addto_choice(size_->choice_height, choice_Length_All.c_str());
 155
 156         bc().addReadOnly(size_->radio_asis);
 157         bc().addReadOnly(size_->radio_wh);
 158         bc().addReadOnly(size_->radio_scale);
 159         bc().addReadOnly(size_->check_aspectratio);
 160
 161         // the bounding box selection
 162         bbox_.reset(build_graphics_bbox(this));
 163         fl_set_input_return (bbox_->input_bb_x0, FL_RETURN_CHANGED);
 164         fl_set_input_return (bbox_->input_bb_y0, FL_RETURN_CHANGED);
 165         fl_set_input_return (bbox_->input_bb_x1, FL_RETURN_CHANGED);
 166         fl_set_input_return (bbox_->input_bb_y1, FL_RETURN_CHANGED);
 167
 168         fl_set_input_filter(bbox_->input_bb_x0,  fl_unsigned_float_filter);
 169         fl_set_input_filter(bbox_->input_bb_y0,  fl_unsigned_float_filter);
 170         fl_set_input_filter(bbox_->input_bb_x1,  fl_unsigned_float_filter);
 171         fl_set_input_filter(bbox_->input_bb_y1,  fl_unsigned_float_filter);
 172
 173         setPrehandler(bbox_->input_bb_x0);
 174         setPrehandler(bbox_->input_bb_y0);
 175         setPrehandler(bbox_->input_bb_x1);
 176         setPrehandler(bbox_->input_bb_y1);
 177
 178         string const bb_units = "bp|cm|mm|in";
 179         fl_addto_choice(bbox_->choice_bb_units, bb_units.c_str());
 180         bc().addReadOnly(bbox_->button_getBB);
 181         bc().addReadOnly(bbox_->check_clip);
 182
 183         // the rotate section
 184         special_.reset(build_graphics_special(this));
 185
 186         fl_set_input_return (special_->input_special, FL_RETURN_CHANGED);
 187         setPrehandler(special_->input_special);
 188
 189         // add the different tabfolders
 190         fl_addto_tabfolder(dialog_->tabfolder, _("File"), file_->form);
 191         fl_addto_tabfolder(dialog_->tabfolder, _("LyX View"), lyxview_->form);
 192         fl_addto_tabfolder(dialog_->tabfolder, _("LaTeX Size"), size_->form);
 193         fl_addto_tabfolder(dialog_->tabfolder, _("Bounding Box"), bbox_->form);
 194         fl_addto_tabfolder(dialog_->tabfolder, _("Extras"), special_->form);
 195         // set the right default unit
 196         if (lyxrc.default_papersize < 3)
 197                 defaultUnit = "in";
 198 }
 199
 200
 201 void FormGraphics::apply()
 202 {
 203         // Create the parameters structure and fill the data from the dialog.
 204         InsetGraphicsParams & igp = controller().params();
 205
 206         // the file section
 207         igp.filename = getStringFromInput(file_->input_filename);
 208         igp.subcaption = fl_get_button(file_->check_subcaption);
 209         igp.subcaptionText = getStringFromInput(file_->input_subcaption);
 210         igp.rotate = fl_get_button(file_->check_rotate);
 211         igp.rotateAngle =
 212                 strToDbl(getStringFromInput(file_->input_rotate_angle));
 213         while (igp.rotateAngle < 0.0 || igp.rotateAngle > 360.0) {
 214                 if (igp.rotateAngle < 0.0) {
 215                         igp.rotateAngle += 360.0;
 216                 } else if (igp.rotateAngle > 360.0) {
 217                         igp.rotateAngle -= 360.0;
 218                 }
 219         }
 220         int const pos = fl_get_choice(file_->choice_origin);
 221         if (pos > 0)
 222                 igp.rotateOrigin = origins_[pos-1];
 223         else
 224                 igp.rotateOrigin = string();
 225
 226         igp.draft = fl_get_button(file_->check_draft);
 227         igp.noUnzip = fl_get_button(file_->check_nounzip);
 228
 229         // the lyxview section
 230         if (fl_get_button(lyxview_->radio_pref))
 231                 igp.display = InsetGraphicsParams::DEFAULT;
 232         else if (fl_get_button(lyxview_->radio_mono))
 233                 igp.display = InsetGraphicsParams::MONOCHROME;
 234         else if (fl_get_button(lyxview_->radio_gray))
 235                 igp.display = InsetGraphicsParams::GRAYSCALE;
 236         else if (fl_get_button(lyxview_->radio_color))
 237                 igp.display = InsetGraphicsParams::COLOR;
 238         else if (fl_get_button(lyxview_->radio_nodisplay))
 239                 igp.display = InsetGraphicsParams::NONE;
 240
 241         if (fl_get_button(lyxview_->radio_lyxasis))
 242                 igp.lyxsize_type = InsetGraphicsParams::DEFAULT_SIZE;
 243         else if (fl_get_button(lyxview_->radio_lyxwh))
 244                 igp.lyxsize_type = InsetGraphicsParams::WH;
 245         else
 246                 igp.lyxsize_type = InsetGraphicsParams::SCALE;
 247
 248         igp.lyxwidth = getLyXLengthFromWidgets(lyxview_->input_lyxwidth,
 249                                                lyxview_->choice_lyxwidth);
 250
 251         igp.lyxheight = getLyXLengthFromWidgets(lyxview_->input_lyxheight,
 252                                                 lyxview_->choice_lyxheight);
 253
 254         igp.lyxscale = strToInt(getStringFromInput(lyxview_->input_lyxscale));
 255
 256         // the size section
 257         if (fl_get_button(size_->radio_asis))
 258                 igp.size_type = InsetGraphicsParams::DEFAULT_SIZE;
 259         else if (fl_get_button(size_->radio_wh))
 260                 igp.size_type = InsetGraphicsParams::WH;
 261         else
 262                 igp.size_type = InsetGraphicsParams::SCALE;
 263
 264         igp.width = getLyXLengthFromWidgets(size_->input_width,
 265                                             size_->choice_width);
 266
 267         igp.height = getLyXLengthFromWidgets(size_->input_height,
 268                                    size_->choice_height);
 269
 270         igp.scale = strToInt(getStringFromInput(size_->input_scale));
 271         igp.keepAspectRatio = fl_get_button(size_->check_aspectratio);
 272
 273         // the bb section
 274         if (!controller().bbChanged)            // different to the original one?
 275                 igp.bb = string();                      // don't write anything
 276         else {
 277                 string bb;
 278                 if (getStringFromInput(bbox_->input_bb_x0).empty())
 279                         bb = "0 ";
 280                 else
 281                         bb = getLengthFromWidgets(bbox_->input_bb_x0,
 282                                                   bbox_->choice_bb_units)+" ";
 283                 if (getStringFromInput(bbox_->input_bb_y0).empty())
 284                         bb += "0 ";
 285                 else
 286                         bb += (getLengthFromWidgets(bbox_->input_bb_y0,
 287                                                     bbox_->choice_bb_units)+" ");
 288                 if (getStringFromInput(bbox_->input_bb_x1).empty())
 289                         bb += "0 ";
 290                 else
 291                         bb += (getLengthFromWidgets(bbox_->input_bb_x1,
 292                                                     bbox_->choice_bb_units)+" ");
 293                 if (getStringFromInput(bbox_->input_bb_y1).empty())
 294                         bb += "0 ";
 295                 else
 296                         bb += (getLengthFromWidgets(bbox_->input_bb_y1,
 297                                                     bbox_->choice_bb_units)+" ");
 298                 igp.bb = bb;
 299         }
 300         igp.clip = fl_get_button(bbox_->check_clip);
 301
 302         // the special section
 303         igp.special = getStringFromInput(special_->input_special);
 304 }
 305
 306
 307 void FormGraphics::update() {
 308         // Update dialog with details from inset
 309         InsetGraphicsParams & igp = controller().params();
 310
 311         // the file section
 312         fl_set_input(file_->input_filename, igp.filename.c_str());
 313         fl_set_button(file_->check_subcaption, igp.subcaption);
 314         fl_set_input(file_->input_subcaption, igp.subcaptionText.c_str());
 315         setEnabled(file_->input_subcaption,
 316                    fl_get_button(file_->check_subcaption));
 317         fl_set_button(file_->check_rotate, igp.rotate);
 318         fl_set_input(file_->input_rotate_angle,
 319                      tostr(igp.rotateAngle).c_str());
 320         if (igp.rotateOrigin.empty())
 321                 fl_set_choice(file_->choice_origin,1);
 322         else {
 323                 int pos = int(findPos(origins_, igp.rotateOrigin));
 324                 fl_set_choice(file_->choice_origin, pos+1);
 325         }
 326
 327         setEnabled(file_->input_rotate_angle,
 328                    fl_get_button(file_->check_rotate));
 329         setEnabled(file_->choice_origin,
 330                    fl_get_button(file_->check_rotate));
 331         fl_set_button(file_->check_draft, igp.draft);
 332         fl_set_button(file_->check_nounzip, igp.noUnzip);
 333
 334         // the lyxview section
 335         switch (igp.display) {
 336         case InsetGraphicsParams::DEFAULT:
 337                 fl_set_button(lyxview_->radio_pref, 1);
 338                 break;
 339         case InsetGraphicsParams::MONOCHROME:
 340                 fl_set_button(lyxview_->radio_mono, 1);
 341                 break;
 342         case InsetGraphicsParams::GRAYSCALE:
 343                 fl_set_button(lyxview_->radio_gray, 1);
 344                 break;
 345         case InsetGraphicsParams::COLOR:
 346                 fl_set_button(lyxview_->radio_color, 1);
 347                 break;
 348         case InsetGraphicsParams::NONE:
 349                 fl_set_button(lyxview_->radio_nodisplay, 1);
 350                 break;
 351         }
 352         updateWidgetsFromLength(lyxview_->input_lyxwidth,
 353                                 lyxview_->choice_lyxwidth, igp.lyxwidth, defaultUnit);
 354         updateWidgetsFromLength(lyxview_->input_lyxheight,
 355                                 lyxview_->choice_lyxheight, igp.lyxheight, defaultUnit);
 356         fl_set_input(lyxview_->input_lyxscale, tostr(igp.lyxscale).c_str());
 357         switch (igp.lyxsize_type) {
 358         case InsetGraphicsParams::DEFAULT_SIZE: {
 359                 fl_set_button(lyxview_->radio_lyxasis,1);
 360                 setEnabled(lyxview_->input_lyxwidth, 0);
 361                 setEnabled(lyxview_->choice_lyxwidth, 0);
 362                 setEnabled(lyxview_->input_lyxheight, 0);
 363                 setEnabled(lyxview_->choice_lyxheight, 0);
 364                 setEnabled(lyxview_->input_lyxscale, 0);
 365                 break;
 366         }
 367         case InsetGraphicsParams::WH: {
 368                 fl_set_button(lyxview_->radio_lyxwh, 1);
 369                 setEnabled(lyxview_->input_lyxwidth, 1);
 370                 setEnabled(lyxview_->choice_lyxwidth, 1);
 371                 setEnabled(lyxview_->input_lyxheight, 1);
 372                 setEnabled(lyxview_->choice_lyxheight, 1);
 373                 setEnabled(lyxview_->input_lyxscale, 0);
 374                 break;
 375         }
 376         case InsetGraphicsParams::SCALE: {
 377                 fl_set_button(lyxview_->radio_lyxscale, 1);
 378                 setEnabled(lyxview_->input_lyxwidth, 0);
 379                 setEnabled(lyxview_->choice_lyxwidth, 0);
 380                 setEnabled(lyxview_->input_lyxheight, 0);
 381                 setEnabled(lyxview_->choice_lyxheight, 0);
 382                 setEnabled(lyxview_->input_lyxscale, 1);
 383                 break;
 384         }
 385         }
 386
 387         // the size section
 388         // Update the draft and clip mode
 389         updateWidgetsFromLength(size_->input_width,
 390                                 size_->choice_width, igp.width, defaultUnit);
 391         updateWidgetsFromLength(size_->input_height,
 392                                 size_->choice_height, igp.height, defaultUnit);
 393         fl_set_input(size_->input_scale, tostr(igp.scale).c_str());
 394         switch (igp.size_type) {
 395         case InsetGraphicsParams::DEFAULT_SIZE: {
 396                 fl_set_button(size_->radio_asis,1);
 397                 setEnabled(size_->input_width, 0);
 398                 setEnabled(size_->choice_width, 0);
 399                 setEnabled(size_->input_height, 0);
 400                 setEnabled(size_->choice_height, 0);
 401                 setEnabled(size_->check_aspectratio, 0);
 402                 setEnabled(size_->input_scale, 0);
 403                 break;
 404         }
 405         case InsetGraphicsParams::WH: {
 406                 fl_set_button(size_->radio_wh, 1);
 407                 setEnabled(size_->input_width, 1);
 408                 setEnabled(size_->choice_width, 1);
 409                 setEnabled(size_->input_height, 1);
 410                 setEnabled(size_->choice_height, 1);
 411                 setEnabled(size_->check_aspectratio, 1);
 412                 setEnabled(size_->input_scale, 0);
 413                 break;
 414         }
 415         case InsetGraphicsParams::SCALE: {
 416                 fl_set_button(size_->radio_scale, 1);
 417                 setEnabled(size_->input_width, 0);
 418                 setEnabled(size_->choice_width, 0);
 419                 setEnabled(size_->input_height, 0);
 420                 setEnabled(size_->choice_height, 0);
 421                 setEnabled(size_->check_aspectratio, 0);
 422                 setEnabled(size_->input_scale, 1);
 423                 break;
 424         }
 425         }
 426         fl_set_button(size_->check_aspectratio, igp.keepAspectRatio);
 427
 428         // the bb section
 429         // set the bounding box values, if exists. First we need the whole
 430         // path, because the controller knows nothing about the doc-dir
 431         updateBB(igp.filename, igp.bb);
 432         fl_set_button(bbox_->check_clip, igp.clip);
 433
 434         // the special section
 435         fl_set_input(special_->input_special, igp.special.c_str());
 436 }
 437
 438
 439 void FormGraphics::updateBB(string const & filename, string const & bb_inset)
 440 {
 441         // Update dialog with details from inset
 442         // set the bounding box values, if exists. First we need the whole
 443         // path, because the controller knows nothing about the doc-dir
 444         controller().bbChanged = false;
 445         if (bb_inset.empty()) {
 446                 lyxerr[Debug::GRAPHICS] << "update:: no BoundingBox" << endl;
 447                 string const bb = controller().readBB(filename);
 448                 if (!bb.empty()) {
 449                         // get the values from the file
 450                         // in this case we always have the point-unit
 451                         fl_set_input(bbox_->input_bb_x0,
 452                                      token(bb,' ',0).c_str());
 453                         fl_set_input(bbox_->input_bb_y0,
 454                                      token(bb,' ',1).c_str());
 455                         fl_set_input(bbox_->input_bb_x1,
 456                                      token(bb,' ',2).c_str());
 457                         fl_set_input(bbox_->input_bb_y1,
 458                                      token(bb,' ',3).c_str());
 459
 460                 } else {
 461                         // no bb from file
 462                         fl_set_input(bbox_->input_bb_x0, bb.c_str());
 463                         fl_set_input(bbox_->input_bb_y0, bb.c_str());
 464                         fl_set_input(bbox_->input_bb_x1, bb.c_str());
 465                         fl_set_input(bbox_->input_bb_y1, bb.c_str());
 466                 }
 467                 // "bp"
 468                 fl_set_choice(bbox_->choice_bb_units, 1);
 469
 470         } else {
 471                 // get the values from the inset
 472                 lyxerr[Debug::GRAPHICS] << "update:: igp has BoundingBox"
 473                                         << endl;
 474                 controller().bbChanged = true;
 475                 LyXLength anyLength;
 476                 anyLength = LyXLength(token(bb_inset,' ',0));
 477                 updateWidgetsFromLength(bbox_->input_bb_x0,
 478                                         bbox_->choice_bb_units,anyLength,"bp");
 479                 anyLength = LyXLength(token(bb_inset,' ',1));
 480                 updateWidgetsFromLength(bbox_->input_bb_y0,
 481                                         bbox_->choice_bb_units,anyLength,"bp");
 482                 anyLength = LyXLength(token(bb_inset,' ',2));
 483                 updateWidgetsFromLength(bbox_->input_bb_x1,
 484                                         bbox_->choice_bb_units,anyLength,"bp");
 485                 anyLength = LyXLength(token(bb_inset,' ',3));
 486                 updateWidgetsFromLength(bbox_->input_bb_y1,
 487                                         bbox_->choice_bb_units,anyLength,"bp");
 488         }
 489 }
 490
 491 namespace {
 492
 493 bool isValid(FL_OBJECT * ob)
 494 {
 495         string const input = getStringFromInput(ob);
 496         return input.empty() || isValidLength(input) || isStrDbl(input);
 497 }
 498
 499 } // namespace anon
 500
 501
 502
 503 ButtonPolicy::SMInput FormGraphics::input(FL_OBJECT * ob, long)
 504 {
 505         // the file section
 506         if (ob == file_->button_browse) {
 507                 // Get the filename from the dialog
 508                 string const in_name = getStringFromInput(file_->input_filename);
 509                 string const out_name = controller().Browse(in_name);
 510                 lyxerr[Debug::GRAPHICS] << "[FormGraphics]out_name: " << out_name << endl;
 511                 if (out_name != in_name && !out_name.empty()) {
 512                         fl_set_input(file_->input_filename, out_name.c_str());
 513                 }
 514                 if (controller().isFilenameValid(out_name) &&
 515                     !controller().bbChanged)
 516                         updateBB(out_name, string());
 517
 518         } else if (ob == file_->check_subcaption) {
 519                 setEnabled(file_->input_subcaption,
 520                            fl_get_button(file_->check_subcaption));
 521         } else if (ob == file_->check_rotate) {
 522                 setEnabled(file_->input_rotate_angle,
 523                            fl_get_button(file_->check_rotate));
 524                 setEnabled(file_->choice_origin,
 525                            fl_get_button(file_->check_rotate));
 526
 527                 // the lyxview section
 528         } else if (ob == lyxview_->radio_lyxasis) {
 529                 setEnabled(lyxview_->input_lyxwidth, 0);
 530                 setEnabled(lyxview_->choice_lyxwidth, 0);
 531                 setEnabled(lyxview_->input_lyxheight, 0);
 532                 setEnabled(lyxview_->choice_lyxheight, 0);
 533                 setEnabled(lyxview_->input_lyxscale, 0);
 534         } else if (ob == lyxview_->radio_lyxwh) {
 535                 setEnabled(lyxview_->input_lyxwidth, 1);
 536                 setEnabled(lyxview_->choice_lyxwidth, 1);
 537                 setEnabled(lyxview_->input_lyxheight, 1);
 538                 setEnabled(lyxview_->choice_lyxheight, 1);
 539                 setEnabled(lyxview_->input_lyxscale, 0);
 540         } else if (ob == lyxview_->radio_lyxscale) {
 541                 setEnabled(lyxview_->input_lyxwidth, 0);
 542                 setEnabled(lyxview_->choice_lyxwidth, 0);
 543                 setEnabled(lyxview_->input_lyxheight, 0);
 544                 setEnabled(lyxview_->choice_lyxheight, 0);
 545                 setEnabled(lyxview_->input_lyxscale, 1);
 546         } else if (ob == lyxview_->button_latex_values) {
 547                 if (contains(fl_get_choice_text(size_->choice_width),'%') ||
 548                         contains(fl_get_choice_text(size_->choice_height),'%'))
 549                         Alert::alert(_("Warning!"),
 550                                      _("The %-units are not allowed here."),
 551                                      _("Cannot use the values from LaTeX size!"));
 552                 else {
 553                         LyXLength dummy =
 554                                 getLyXLengthFromWidgets(size_->input_width,
 555                                                         size_->choice_width);
 556                         updateWidgetsFromLength(lyxview_->input_lyxwidth,
 557                                                 lyxview_->choice_lyxwidth,
 558                                                 dummy, defaultUnit);
 559
 560                         dummy = getLyXLengthFromWidgets(size_->input_height,
 561                                                         size_->choice_height);
 562                         updateWidgetsFromLength(lyxview_->input_lyxheight,
 563                                                 lyxview_->choice_lyxheight,
 564                                                 dummy, defaultUnit);
 565                         string const scale = getStringFromInput(size_->input_scale);
 566                         fl_set_input(lyxview_->input_lyxscale, scale.c_str());
 567                         if (fl_get_button (size_->radio_asis) == 1) {
 568                                 fl_set_button (lyxview_->radio_lyxasis, 1);
 569                                 setEnabled(lyxview_->input_lyxwidth, 0);
 570                                 setEnabled(lyxview_->choice_lyxwidth, 0);
 571                                 setEnabled(lyxview_->input_lyxheight, 0);
 572                                 setEnabled(lyxview_->choice_lyxheight, 0);
 573                                 setEnabled(lyxview_->input_lyxscale, 0);
 574                         } else if (fl_get_button (size_->radio_wh) == 1) {
 575                                 fl_set_button (lyxview_->radio_lyxwh, 1);
 576                                 setEnabled(lyxview_->input_lyxwidth, 1);
 577                                 setEnabled(lyxview_->choice_lyxwidth, 1);
 578                                 setEnabled(lyxview_->input_lyxheight, 1);
 579                                 setEnabled(lyxview_->choice_lyxheight, 1);
 580                                 setEnabled(lyxview_->input_lyxscale, 0);
 581                         } else if (fl_get_button (size_->radio_scale) ==1) {
 582                                 fl_set_button (lyxview_->radio_lyxscale, 1);
 583                                 setEnabled(lyxview_->input_lyxwidth, 0);
 584                                 setEnabled(lyxview_->choice_lyxwidth, 0);
 585                                 setEnabled(lyxview_->input_lyxheight, 0);
 586                                 setEnabled(lyxview_->choice_lyxheight, 0);
 587                                 setEnabled(lyxview_->input_lyxscale, 1);
 588                         }
 589                 }
 590
 591                 // the bb section
 592         } else if (!controller().bbChanged &&
 593                    (ob == bbox_->check_clip  || ob == bbox_->choice_bb_units ||
 594                     ob == bbox_->input_bb_x0 || ob == bbox_->input_bb_y0 ||
 595                     ob == bbox_->input_bb_x1 || ob == bbox_->input_bb_y1)) {
 596                 controller().bbChanged = true;
 597         } else if (ob == bbox_->button_getBB) {
 598                 string const filename = getStringFromInput(file_->input_filename);
 599                 if (!filename.empty()) {
 600                         string bb = controller().readBB(filename);
 601                         if (!bb.empty()) {
 602                                 fl_set_input(bbox_->input_bb_x0, token(bb,' ',0).c_str());
 603                                 fl_set_input(bbox_->input_bb_y0, token(bb,' ',1).c_str());
 604                                 fl_set_input(bbox_->input_bb_x1, token(bb,' ',2).c_str());
 605                                 fl_set_input(bbox_->input_bb_y1, token(bb,' ',3).c_str());
 606                                 string const unit("bp");
 607                                 fl_set_choice_text(bbox_->choice_bb_units, unit.c_str());
 608                         }
 609                         controller().bbChanged = false;
 610                 } else {
 611                         fl_set_input(bbox_->input_bb_x0, "");
 612                         fl_set_input(bbox_->input_bb_y0, "");
 613                         fl_set_input(bbox_->input_bb_x1, "");
 614                         fl_set_input(bbox_->input_bb_y1, "");
 615                         fl_set_choice_text(bbox_->choice_bb_units, "bp");
 616                 }
 617
 618                 // the size section
 619         } else if (ob == size_->radio_asis) {
 620                 setEnabled(size_->input_width, 0);
 621                 setEnabled(size_->choice_width, 0);
 622                 setEnabled(size_->input_height, 0);
 623                 setEnabled(size_->choice_height, 0);
 624                 setEnabled(size_->check_aspectratio, 0);
 625                 setEnabled(size_->input_scale, 0);
 626         } else if (ob == size_->radio_wh) {
 627                 setEnabled(size_->input_width, 1);
 628                 setEnabled(size_->choice_width, 1);
 629                 setEnabled(size_->input_height, 1);
 630                 setEnabled(size_->choice_height, 1);
 631                 setEnabled(size_->check_aspectratio, 1);
 632                 setEnabled(size_->input_scale, 0);
 633         } else if (ob == size_->radio_scale) {
 634                 setEnabled(size_->input_width, 0);
 635                 setEnabled(size_->choice_width, 0);
 636                 setEnabled(size_->input_height, 0);
 637                 setEnabled(size_->choice_height, 0);
 638                 setEnabled(size_->check_aspectratio, 0);
 639                 setEnabled(size_->input_scale, 1);
 640         } else if (ob == size_->button_lyx_values) {
 641                 LyXLength dummy = getLyXLengthFromWidgets(lyxview_->input_lyxwidth,
 642                                                           lyxview_->choice_lyxwidth);
 643                 updateWidgetsFromLength(size_->input_width,
 644                                         size_->choice_width,
 645                                         dummy, defaultUnit);
 646                 dummy = getLyXLengthFromWidgets(lyxview_->input_lyxheight,
 647                                                 lyxview_->choice_lyxheight);
 648                 updateWidgetsFromLength(size_->input_height,
 649                                         size_->choice_height,
 650                                         dummy, defaultUnit);
 651                 string const scale = getStringFromInput(lyxview_->input_lyxscale);
 652                 fl_set_input(size_->input_scale, scale.c_str());
 653                 if (fl_get_button (lyxview_->radio_lyxasis) == 1) {
 654                         fl_set_button (size_->radio_asis, 1);
 655                         setEnabled(size_->input_width, 0);
 656                         setEnabled(size_->choice_width, 0);
 657                         setEnabled(size_->input_height, 0);
 658                         setEnabled(size_->choice_height, 0);
 659                         setEnabled(size_->check_aspectratio, 0);
 660                         setEnabled(size_->input_scale, 0);
 661                 } else if (fl_get_button (lyxview_->radio_lyxwh) == 1) {
 662                         fl_set_button (size_->radio_wh, 1);
 663                         setEnabled(size_->input_width, 1);
 664                         setEnabled(size_->choice_width, 1);
 665                         setEnabled(size_->input_height, 1);
 666                         setEnabled(size_->choice_height, 1);
 667                         setEnabled(size_->check_aspectratio, 1);
 668                         setEnabled(size_->input_scale, 0);
 669                 } else if (fl_get_button (lyxview_->radio_lyxscale) ==1) {
 670                         fl_set_button (size_->radio_scale, 1);
 671                         setEnabled(size_->input_width, 0);
 672                         setEnabled(size_->choice_width, 0);
 673                         setEnabled(size_->input_height, 0);
 674                         setEnabled(size_->choice_height, 0);
 675                         setEnabled(size_->check_aspectratio, 0);
 676                         setEnabled(size_->input_scale, 1);
 677                 }
 678         }
 679
 680         // check if the input is valid
 681         bool invalid = !isValid(bbox_->input_bb_x0);
 682         invalid = invalid || !isValid(bbox_->input_bb_x1);
 683         invalid = invalid || !isValid(bbox_->input_bb_y0);
 684         invalid = invalid || !isValid(bbox_->input_bb_y1);
 685         invalid = invalid || !isValid(size_->input_width);
 686         invalid = invalid || !isValid(size_->input_height);
 687         invalid = invalid || !isValid(lyxview_->input_lyxwidth);
 688         invalid = invalid || !isValid(lyxview_->input_lyxheight);
 689
 690         // deactivate OK/ Apply buttons and
 691         // spit out warnings if invalid
 692         if (ob == bbox_->input_bb_x0 || ob == bbox_->input_bb_x1 ||
 693             ob == bbox_->input_bb_y0 || ob == bbox_->input_bb_y1 ||
 694             ob == size_->input_width || ob == size_->input_height ||
 695             ob == lyxview_->input_lyxwidth || ob == lyxview_->input_lyxheight) {
 696                 if (invalid) {
 697                         postWarning(_("Invalid Length!"));
 698                         return ButtonPolicy::SMI_INVALID;
 699                 } else {
 700                         clearMessage();
 701                 }
 702         }
 703
 704         return ButtonPolicy::SMI_VALID;
 705 }