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
  26 #include "xforms_helpers.h"
  27 #include "input_validators.h"
  28 #include "debug.h" // for lyxerr
  29 #include "support/lstrings.h"  // for strToDbl & tostr
  30 #include "support/FileInfo.h"
  31 #include "support/filetools.h"  // for MakeAbsPath etc
  32 #include "insets/insetgraphicsParams.h"
  33 #include "lyxrc.h" // for lyxrc.display_graphics
  34
  35 using std::endl;
  36
  37 namespace {
  38
  39 // Bound the number of input characters
  40 int const SCALE_MAXDIGITS = 3;
  41 int const WIDTH_MAXDIGITS = 10;
  42 int const HEIGHT_MAXDIGITS = 10;
  43 int const ROTATE_MAXCHARS = 4;
  44 int const FILENAME_MAXCHARS = 1024;
  45 string defaultUnit = "cm";
  46
  47 } // namespace anon
  48
  49
  50 typedef FormCB<ControlGraphics, FormDB<FD_form_graphics> > base_class;
  51
  52 FormGraphics::FormGraphics(ControlGraphics & c)
  53         : base_class(c, _("Graphics"), false)
  54 {}
  55
  56
  57 void FormGraphics::redraw()
  58 {
  59         if (form() && form()->visible)
  60                 fl_redraw_form(form());
  61         else
  62                 return;
  63         FL_FORM * outer_form = fl_get_active_folder(dialog_->tabFolder);
  64         if (outer_form && outer_form->visible)
  65                 fl_redraw_form(outer_form);
  66 }
  67
  68
  69 void FormGraphics::build()
  70 {
  71         dialog_.reset(build_graphics());
  72
  73         // Manage the ok, apply, restore and cancel/close buttons
  74         bc().setOK(dialog_->button_ok);
  75         bc().setApply(dialog_->button_apply);
  76         bc().setCancel(dialog_->button_cancel);
  77         bc().setRestore(dialog_->button_restore);
  78
  79         // the file section
  80         file_.reset(build_file());
  81
  82         fl_set_input_return (file_->input_filename, FL_RETURN_CHANGED);
  83         fl_set_input_return (file_->input_subcaption, FL_RETURN_CHANGED);
  84         fl_set_input_return (file_->input_rotate_angle, FL_RETURN_CHANGED);
  85         fl_set_input_maxchars(file_->input_filename,  FILENAME_MAXCHARS);
  86         fl_set_input_maxchars(file_->input_rotate_angle, ROTATE_MAXCHARS);
  87         fl_set_input_filter(file_->input_rotate_angle, fl_float_filter);
  88
  89         string const choice_origin =
  90             "center|"                                   // c
  91             "leftTop|leftBottom|leftBaseline|"          // lt lb lB
  92             "centerTop|centerBottom|centerBaseline|"    // ct cb cB
  93             "rightTop|rightBottom|rightBaseline";       // rt rb rB
  94         fl_addto_choice(file_->choice_origin, choice_origin.c_str());
  95
  96         bc().addReadOnly(file_->button_browse);
  97         bc().addReadOnly(file_->check_subcaption);
  98         bc().addReadOnly(file_->check_rotate);
  99         bc().addReadOnly(file_->button_draft);
 100         bc().addReadOnly(file_->button_nounzip);
 101
 102         // the lyxview section
 103         lyxview_.reset(build_lyxview());
 104
 105         fl_set_input_return (lyxview_->input_lyxwidth, FL_RETURN_CHANGED);
 106         fl_set_input_return (lyxview_->input_lyxheight, FL_RETURN_CHANGED);
 107         fl_set_input_return (lyxview_->input_lyxscale, FL_RETURN_CHANGED);
 108
 109         fl_addto_choice(lyxview_->choice_width_lyxwidth, choice_Length_All.c_str());
 110         fl_addto_choice(lyxview_->choice_width_lyxheight, choice_Length_All.c_str());
 111
 112         bc().addReadOnly(lyxview_->radio_pref);
 113         bc().addReadOnly(lyxview_->radio_mono);
 114         bc().addReadOnly(lyxview_->radio_gray);
 115         bc().addReadOnly(lyxview_->radio_color);
 116         bc().addReadOnly(lyxview_->radio_nodisplay);
 117
 118         // the size section
 119         size_.reset(build_size());
 120
 121         fl_set_input_return (size_->input_scale, FL_RETURN_CHANGED);
 122         fl_set_input_return (size_->input_width, FL_RETURN_CHANGED);
 123         fl_set_input_return (size_->input_height, FL_RETURN_CHANGED);
 124
 125         fl_set_input_maxchars(size_->input_scale, SCALE_MAXDIGITS);
 126         fl_set_input_maxchars(size_->input_width, WIDTH_MAXDIGITS);
 127         fl_set_input_maxchars(size_->input_height, HEIGHT_MAXDIGITS);
 128
 129         fl_set_input_filter(size_->input_scale,  fl_unsigned_float_filter);
 130
 131         fl_addto_choice(size_->choice_width_units, choice_Length_All.c_str());
 132         fl_addto_choice(size_->choice_height_units, choice_Length_All.c_str());
 133
 134         bc().addReadOnly(size_->button_asis);
 135         bc().addReadOnly(size_->button_wh);
 136         bc().addReadOnly(size_->button_scale);
 137         bc().addReadOnly(size_->check_aspectratio);
 138
 139         // the bounding box selection
 140         bbox_.reset(build_bbox());
 141         fl_set_input_return (bbox_->input_bb_x0, FL_RETURN_CHANGED);
 142         fl_set_input_return (bbox_->input_bb_y0, FL_RETURN_CHANGED);
 143         fl_set_input_return (bbox_->input_bb_x1, FL_RETURN_CHANGED);
 144         fl_set_input_return (bbox_->input_bb_y1, FL_RETURN_CHANGED);
 145
 146         fl_set_input_filter(bbox_->input_bb_x0,  fl_unsigned_float_filter);
 147         fl_set_input_filter(bbox_->input_bb_y0,  fl_unsigned_float_filter);
 148         fl_set_input_filter(bbox_->input_bb_x1,  fl_unsigned_float_filter);
 149
 150         string const bb_units = "pt|cm|in";
 151         fl_addto_choice(bbox_->choice_bb_units, bb_units.c_str());
 152         bc().addReadOnly(bbox_->button_getBB);
 153         bc().addReadOnly(bbox_->button_clip);
 154
 155         // the rotate section
 156         special_.reset(build_special());
 157
 158         fl_set_input_return (special_->input_special, FL_RETURN_CHANGED);
 159
 160         // add the different tabfolders
 161         fl_addto_tabfolder(dialog_->tabFolder, _("File"), file_->form);
 162         fl_addto_tabfolder(dialog_->tabFolder, _("LyX View"), lyxview_->form);
 163         fl_addto_tabfolder(dialog_->tabFolder, _("LaTeX Size"), size_->form);
 164         fl_addto_tabfolder(dialog_->tabFolder, _("Bounding Box"), bbox_->form);
 165         fl_addto_tabfolder(dialog_->tabFolder, _("Extras"), special_->form);
 166 }
 167
 168
 169 void FormGraphics::apply()
 170 {
 171         // Create the parameters structure and fill the data from the dialog.
 172         InsetGraphicsParams & igp = controller().params();
 173
 174         // the file section
 175         igp.filename = getStringFromInput(file_->input_filename);
 176         igp.subcaption = fl_get_button(file_->check_subcaption);
 177         igp.subcaptionText = getStringFromInput(file_->input_subcaption);
 178         igp.rotate = fl_get_button(file_->check_rotate);
 179         igp.rotateAngle =
 180                 strToDbl(getStringFromInput(file_->input_rotate_angle));
 181         while (igp.rotateAngle < 0.0 || igp.rotateAngle > 360.0) {
 182                 if (igp.rotateAngle < 0.0) {
 183                         igp.rotateAngle += 360.0;
 184                 } else if (igp.rotateAngle > 360.0) {
 185                         igp.rotateAngle -= 360.0;
 186                 }
 187         }
 188         if (fl_get_choice(file_->choice_origin) > 0)
 189             igp.rotateOrigin = fl_get_choice_text(file_->choice_origin);
 190         else
 191             igp.rotateOrigin = string();
 192         igp.draft = fl_get_button(file_->button_draft);
 193         igp.noUnzip = fl_get_button(file_->button_nounzip);
 194
 195         // the lyxview section
 196         if (fl_get_button(lyxview_->radio_pref))
 197             igp.display = InsetGraphicsParams::DEFAULT;
 198         else if (fl_get_button(lyxview_->radio_mono))
 199             igp.display = InsetGraphicsParams::MONOCHROME;
 200         else if (fl_get_button(lyxview_->radio_gray))
 201             igp.display = InsetGraphicsParams::GRAYSCALE;
 202         else if (fl_get_button(lyxview_->radio_color))
 203             igp.display = InsetGraphicsParams::COLOR;
 204         else if (fl_get_button(lyxview_->radio_nodisplay))
 205             igp.display = InsetGraphicsParams::NONE;
 206
 207         if (fl_get_button(lyxview_->button_lyxasis))
 208             igp.lyxsize_type = InsetGraphicsParams::DEFAULT_SIZE;
 209         else if (fl_get_button(lyxview_->button_lyxwh))
 210             igp.lyxsize_type = InsetGraphicsParams::WH;
 211         else
 212             igp.lyxsize_type = InsetGraphicsParams::SCALE;
 213         igp.lyxwidth = LyXLength(getLengthFromWidgets(lyxview_->input_lyxwidth,
 214                 lyxview_->choice_width_lyxwidth));
 215         igp.lyxheight = LyXLength(getLengthFromWidgets(lyxview_->input_lyxheight,
 216                 lyxview_->choice_width_lyxheight));
 217         igp.lyxscale = strToInt(getStringFromInput(lyxview_->input_lyxscale));
 218
 219         // the size section
 220         if (fl_get_button(size_->button_asis))
 221             igp.size_type = InsetGraphicsParams::DEFAULT_SIZE;
 222         else if (fl_get_button(size_->button_wh))
 223             igp.size_type = InsetGraphicsParams::WH;
 224         else
 225             igp.size_type = InsetGraphicsParams::SCALE;
 226         igp.width = LyXLength(getLengthFromWidgets(size_->input_width,
 227                 size_->choice_width_units));
 228         igp.height = LyXLength(getLengthFromWidgets(size_->input_height,
 229                 size_->choice_height_units));
 230         igp.scale = strToInt(getStringFromInput(size_->input_scale));
 231         igp.keepAspectRatio = fl_get_button(size_->check_aspectratio);
 232
 233         // the bb section
 234         if (!controller().bbChanged)            // different to the original one?
 235             igp.bb = string();                  // don't write anything
 236         else {
 237             string bb;
 238             if (getStringFromInput(bbox_->input_bb_x0).empty())
 239                 bb = "0 ";
 240             else
 241                 bb = getLengthFromWidgets(bbox_->input_bb_x0,
 242                         bbox_->choice_bb_units)+" ";
 243             if (getStringFromInput(bbox_->input_bb_y0).empty())
 244                 bb += "0 ";
 245             else
 246                 bb += (getLengthFromWidgets(bbox_->input_bb_y0,
 247                         bbox_->choice_bb_units)+" ");
 248             if (getStringFromInput(bbox_->input_bb_x1).empty())
 249                 bb += "0 ";
 250             else
 251                 bb += (getLengthFromWidgets(bbox_->input_bb_x1,
 252                         bbox_->choice_bb_units)+" ");
 253             if (getStringFromInput(bbox_->input_bb_y1).empty())
 254                 bb += "0 ";
 255             else
 256                 bb += (getLengthFromWidgets(bbox_->input_bb_y1,
 257                         bbox_->choice_bb_units)+" ");
 258             igp.bb = bb;
 259         }
 260         igp.clip = fl_get_button(bbox_->button_clip);
 261
 262         // the special section
 263         igp.special = getStringFromInput(special_->input_special);
 264 }
 265
 266
 267 void FormGraphics::update() {
 268         if (lyxrc.default_papersize < 3)
 269             defaultUnit = string("in");
 270         // Update dialog with details from inset
 271         InsetGraphicsParams & igp = controller().params();
 272
 273         // the file section
 274         fl_set_input(file_->input_filename, igp.filename.c_str());
 275         fl_set_button(file_->check_subcaption, igp.subcaption);
 276         fl_set_input(file_->input_subcaption, igp.subcaptionText.c_str());
 277         setEnabled(file_->input_subcaption,
 278                    fl_get_button(file_->check_subcaption));
 279         fl_set_button(file_->check_rotate, igp.rotate);
 280         fl_set_input(file_->input_rotate_angle,
 281                      tostr(igp.rotateAngle).c_str());
 282         if (igp.rotateOrigin.empty())
 283             fl_set_choice(file_->choice_origin,0);
 284         else
 285             fl_set_choice_text(file_->choice_origin,igp.rotateOrigin.c_str());
 286         setEnabled(file_->input_rotate_angle,
 287                    fl_get_button(file_->check_rotate));
 288         setEnabled(file_->choice_origin,
 289                    fl_get_button(file_->check_rotate));
 290         fl_set_button(file_->button_draft, igp.draft);
 291         fl_set_button(file_->button_nounzip, igp.noUnzip);
 292
 293         // the lyxview section
 294         switch (igp.display) {
 295         case InsetGraphicsParams::DEFAULT:
 296                 fl_set_button(lyxview_->radio_pref, 1);
 297                 break;
 298         case InsetGraphicsParams::MONOCHROME:
 299                 fl_set_button(lyxview_->radio_mono, 1);
 300                 break;
 301         case InsetGraphicsParams::GRAYSCALE:
 302                 fl_set_button(lyxview_->radio_gray, 1);
 303                 break;
 304         case InsetGraphicsParams::COLOR:
 305                 fl_set_button(lyxview_->radio_color, 1);
 306                 break;
 307         case InsetGraphicsParams::NONE:
 308                 fl_set_button(lyxview_->radio_nodisplay, 1);
 309                 break;
 310         }
 311         updateWidgetsFromLength(lyxview_->input_lyxwidth,
 312                 lyxview_->choice_width_lyxwidth, igp.lyxwidth,defaultUnit);
 313         updateWidgetsFromLength(lyxview_->input_lyxheight,
 314                 lyxview_->choice_width_lyxheight, igp.lyxheight,defaultUnit);
 315         fl_set_input(lyxview_->input_lyxscale, tostr(igp.lyxscale).c_str());
 316         switch (igp.lyxsize_type) {
 317             case InsetGraphicsParams::DEFAULT_SIZE: {
 318                 fl_set_button(lyxview_->button_lyxasis,1);
 319                 setEnabled(lyxview_->input_lyxwidth, 0);
 320                 setEnabled(lyxview_->choice_width_lyxwidth, 0);
 321                 setEnabled(lyxview_->input_lyxheight, 0);
 322                 setEnabled(lyxview_->choice_width_lyxheight, 0);
 323                 setEnabled(lyxview_->input_lyxscale, 0);
 324                 break;
 325             }
 326             case InsetGraphicsParams::WH: {
 327                 fl_set_button(lyxview_->button_lyxwh, 1);
 328                 setEnabled(lyxview_->input_lyxwidth, 1);
 329                 setEnabled(lyxview_->choice_width_lyxwidth, 1);
 330                 setEnabled(lyxview_->input_lyxheight, 1);
 331                 setEnabled(lyxview_->choice_width_lyxheight, 1);
 332                 setEnabled(lyxview_->input_lyxscale, 0);
 333                 break;
 334             }
 335             case InsetGraphicsParams::SCALE: {
 336                 fl_set_button(lyxview_->button_lyxscale, 1);
 337                 setEnabled(lyxview_->input_lyxwidth, 0);
 338                 setEnabled(lyxview_->choice_width_lyxwidth, 0);
 339                 setEnabled(lyxview_->input_lyxheight, 0);
 340                 setEnabled(lyxview_->choice_width_lyxheight, 0);
 341                 setEnabled(lyxview_->input_lyxscale, 1);
 342                 break;
 343             }
 344         }
 345
 346         // the size section
 347         // Update the draft and clip mode
 348         updateWidgetsFromLength(size_->input_width,
 349                 size_->choice_width_units,igp.width,defaultUnit);
 350         updateWidgetsFromLength(size_->input_height,
 351                 size_->choice_height_units,igp.height,defaultUnit);
 352         fl_set_input(size_->input_scale, tostr(igp.scale).c_str());
 353         switch (igp.size_type) {
 354             case InsetGraphicsParams::DEFAULT_SIZE: {
 355                 fl_set_button(size_->button_asis,1);
 356                 setEnabled(size_->input_width, 0);
 357                 setEnabled(size_->choice_width_units, 0);
 358                 setEnabled(size_->input_height, 0);
 359                 setEnabled(size_->choice_height_units, 0);
 360                 setEnabled(size_->check_aspectratio, 0);
 361                 setEnabled(size_->input_scale, 0);
 362                 break;
 363             }
 364             case InsetGraphicsParams::WH: {
 365                 fl_set_button(size_->button_wh, 1);
 366                 setEnabled(size_->input_width, 1);
 367                 setEnabled(size_->choice_width_units, 1);
 368                 setEnabled(size_->input_height, 1);
 369                 setEnabled(size_->choice_height_units, 1);
 370                 setEnabled(size_->check_aspectratio, 1);
 371                 setEnabled(size_->input_scale, 0);
 372                 break;
 373             }
 374             case InsetGraphicsParams::SCALE: {
 375                 fl_set_button(size_->button_scale, 1);
 376                 setEnabled(size_->input_width, 0);
 377                 setEnabled(size_->choice_width_units, 0);
 378                 setEnabled(size_->input_height, 0);
 379                 setEnabled(size_->choice_height_units, 0);
 380                 setEnabled(size_->check_aspectratio, 0);
 381                 setEnabled(size_->input_scale, 1);
 382                 break;
 383             }
 384         }
 385         fl_set_button(size_->check_aspectratio, igp.keepAspectRatio);
 386
 387         // the bb section
 388         // set the bounding box values, if exists. First we need the whole
 389         // path, because the controller knows nothing about the doc-dir
 390         controller().bbChanged = false;
 391         if (igp.bb.empty()) {
 392         lyxerr[Debug::GRAPHICS] << "update:: no BoundingBox" << endl;
 393             string const fileWithAbsPath =
 394                 MakeAbsPath(igp.filename, OnlyPath(igp.filename));
 395             string const bb = controller().readBB(fileWithAbsPath);
 396             if (!bb.empty()) {
 397                 // get the values from the file
 398                 // in this case we always have the point-unit
 399                 fl_set_input(bbox_->input_bb_x0, token(bb,' ',0).c_str());
 400                 fl_set_input(bbox_->input_bb_y0, token(bb,' ',1).c_str());
 401                 fl_set_input(bbox_->input_bb_x1, token(bb,' ',2).c_str());
 402                 fl_set_input(bbox_->input_bb_y1, token(bb,' ',3).c_str());
 403             } else {            // no bb from file
 404                     fl_set_input(bbox_->input_bb_x0, bb.c_str());
 405                     fl_set_input(bbox_->input_bb_y0, bb.c_str());
 406                     fl_set_input(bbox_->input_bb_x1, bb.c_str());
 407                     fl_set_input(bbox_->input_bb_y1, bb.c_str());
 408             }
 409             fl_set_choice(bbox_->choice_bb_units, 1);   // "pt"
 410         } else {                                // get the values from the inset
 411             lyxerr[Debug::GRAPHICS] << "update:: igp has BoundingBox" << endl;
 412             controller().bbChanged = true;
 413             LyXLength anyLength;
 414             anyLength = LyXLength(token(igp.bb,' ',0));
 415             updateWidgetsFromLength(bbox_->input_bb_x0,
 416                         bbox_->choice_bb_units,anyLength,"pt");
 417             anyLength = LyXLength(token(igp.bb,' ',1));
 418             updateWidgetsFromLength(bbox_->input_bb_y0,
 419                         bbox_->choice_bb_units,anyLength,"pt");
 420             anyLength = LyXLength(token(igp.bb,' ',2));
 421             updateWidgetsFromLength(bbox_->input_bb_x1,
 422                         bbox_->choice_bb_units,anyLength,"pt");
 423             anyLength = LyXLength(token(igp.bb,' ',3));
 424             updateWidgetsFromLength(bbox_->input_bb_y1,
 425                         bbox_->choice_bb_units,anyLength,"pt");
 426         }
 427         fl_set_button(bbox_->button_clip, igp.clip);
 428
 429         // the special section
 430         fl_set_input(special_->input_special, igp.special.c_str());
 431 }
 432
 433
 434 namespace {
 435
 436 bool isValid(FL_OBJECT * ob)
 437 {
 438         string const input = getStringFromInput(ob);
 439         return input.empty() || isValidLength(input) || isStrDbl(input);
 440 }
 441
 442 } // namespace anon
 443
 444
 445
 446 ButtonPolicy::SMInput FormGraphics::input(FL_OBJECT * ob, long)
 447 {
 448         // the file section
 449         if (ob == file_->button_browse) {
 450                 // Get the filename from the dialog
 451                 string const in_name = getStringFromInput(file_->input_filename);
 452                 string const out_name = controller().Browse(in_name);
 453                 if (out_name != in_name && !out_name.empty()) {
 454                         fl_set_input(file_->input_filename, out_name.c_str());
 455                 }
 456         } else if (ob == file_->check_subcaption) {
 457                 setEnabled(file_->input_subcaption,
 458                            fl_get_button(file_->check_subcaption));
 459         } else if (ob == file_->check_rotate) {
 460                 setEnabled(file_->input_rotate_angle,
 461                            fl_get_button(file_->check_rotate));
 462                 setEnabled(file_->choice_origin,
 463                            fl_get_button(file_->check_rotate));
 464
 465         // the lyxview section
 466         } else if (ob == lyxview_->button_lyxasis) {
 467                 setEnabled(lyxview_->input_lyxwidth, 0);
 468                 setEnabled(lyxview_->choice_width_lyxwidth, 0);
 469                 setEnabled(lyxview_->input_lyxheight, 0);
 470                 setEnabled(lyxview_->choice_width_lyxheight, 0);
 471                 setEnabled(lyxview_->input_lyxscale, 0);
 472         } else if (ob == lyxview_->button_lyxwh) {
 473                 setEnabled(lyxview_->input_lyxwidth, 1);
 474                 setEnabled(lyxview_->choice_width_lyxwidth, 1);
 475                 setEnabled(lyxview_->input_lyxheight, 1);
 476                 setEnabled(lyxview_->choice_width_lyxheight, 1);
 477                 setEnabled(lyxview_->input_lyxscale, 0);
 478         } else if (ob == lyxview_->button_lyxscale) {
 479                 setEnabled(lyxview_->input_lyxwidth, 0);
 480                 setEnabled(lyxview_->choice_width_lyxwidth, 0);
 481                 setEnabled(lyxview_->input_lyxheight, 0);
 482                 setEnabled(lyxview_->choice_width_lyxheight, 0);
 483                 setEnabled(lyxview_->input_lyxscale, 1);
 484         } else if (ob == lyxview_->button_latex_values) {
 485             LyXLength dummy = LyXLength(getLengthFromWidgets(size_->input_width,
 486                 size_->choice_width_units));
 487             updateWidgetsFromLength(lyxview_->input_lyxwidth,
 488                 lyxview_->choice_width_lyxwidth, dummy, defaultUnit);
 489             dummy = LyXLength(getLengthFromWidgets(size_->input_height,
 490                 size_->choice_width_units));
 491             updateWidgetsFromLength(lyxview_->input_lyxheight,
 492                 lyxview_->choice_width_lyxheight, dummy, defaultUnit);
 493             string const scale = getStringFromInput(size_->input_scale);
 494             fl_set_input(lyxview_->input_lyxscale, scale.c_str());
 495
 496         // the bb section
 497         } else if (!controller().bbChanged &&
 498                   (ob == bbox_->choice_bb_units ||
 499                    ob == bbox_->input_bb_x0 || ob == bbox_->input_bb_y0 ||
 500                    ob == bbox_->input_bb_x1 || ob == bbox_->input_bb_y1)) {
 501             controller().bbChanged = true;
 502         } else if (ob == bbox_->button_getBB) {
 503             string const filename = getStringFromInput(file_->input_filename);
 504             if (!filename.empty()) {
 505                 string const fileWithAbsPath = MakeAbsPath(filename, OnlyPath(filename));
 506                 string bb = controller().readBB(fileWithAbsPath);
 507                 if (!bb.empty()) {
 508                     fl_set_input(bbox_->input_bb_x0, token(bb,' ',0).c_str());
 509                     fl_set_input(bbox_->input_bb_y0, token(bb,' ',1).c_str());
 510                     fl_set_input(bbox_->input_bb_x1, token(bb,' ',2).c_str());
 511                     fl_set_input(bbox_->input_bb_y1, token(bb,' ',3).c_str());
 512                     string const unit("pt");
 513                     fl_set_choice_text(bbox_->choice_bb_units, unit.c_str());
 514                 }
 515                 controller().bbChanged = false;
 516             } else {
 517                     fl_set_input(bbox_->input_bb_x0, "");
 518                     fl_set_input(bbox_->input_bb_y0, "");
 519                     fl_set_input(bbox_->input_bb_x1, "");
 520                     fl_set_input(bbox_->input_bb_y1, "");
 521                     fl_set_choice_text(bbox_->choice_bb_units, "pt");
 522             }
 523
 524         // the size section
 525         } else if (ob == size_->button_asis) {
 526                 setEnabled(size_->input_width, 0);
 527                 setEnabled(size_->choice_width_units, 0);
 528                 setEnabled(size_->input_height, 0);
 529                 setEnabled(size_->choice_height_units, 0);
 530                 setEnabled(size_->check_aspectratio, 0);
 531                 setEnabled(size_->input_scale, 0);
 532         } else if (ob == size_->button_wh) {
 533                 setEnabled(size_->input_width, 1);
 534                 setEnabled(size_->choice_width_units, 1);
 535                 setEnabled(size_->input_height, 1);
 536                 setEnabled(size_->choice_height_units, 1);
 537                 setEnabled(size_->check_aspectratio, 1);
 538                 setEnabled(size_->input_scale, 0);
 539         } else if (ob == size_->button_scale) {
 540                 setEnabled(size_->input_width, 0);
 541                 setEnabled(size_->choice_width_units, 0);
 542                 setEnabled(size_->input_height, 0);
 543                 setEnabled(size_->choice_height_units, 0);
 544                 setEnabled(size_->check_aspectratio, 0);
 545                 setEnabled(size_->input_scale, 1);
 546         } else if (ob == size_->button_lyx_values) {
 547             LyXLength dummy = LyXLength(getLengthFromWidgets(
 548                 lyxview_->input_lyxwidth, lyxview_->choice_width_lyxwidth));
 549             updateWidgetsFromLength(size_->input_width,
 550                 size_->choice_width_units, dummy, defaultUnit);
 551             dummy = LyXLength(getLengthFromWidgets(lyxview_->input_lyxheight,
 552                 lyxview_->choice_width_lyxheight));
 553             updateWidgetsFromLength(size_->input_height,
 554                 size_->choice_height_units, dummy, defaultUnit);
 555             string const scale = getStringFromInput(lyxview_->input_lyxscale);
 556             fl_set_input(size_->input_scale, scale.c_str());
 557         }
 558
 559         // check if the input is valid
 560         bool invalid = !isValid(bbox_->input_bb_x0);
 561         invalid = invalid || !isValid(bbox_->input_bb_x1);
 562         invalid = invalid || !isValid(bbox_->input_bb_y0);
 563         invalid = invalid || !isValid(bbox_->input_bb_y1);
 564         invalid = invalid || !isValid(size_->input_width);
 565         invalid = invalid || !isValid(size_->input_height);
 566         invalid = invalid || !isValid(lyxview_->input_lyxwidth);
 567         invalid = invalid || !isValid(lyxview_->input_lyxheight);
 568
 569         // deactivate OK/ Apply buttons and
 570         // spit out warnings if invalid
 571         if (ob == bbox_->input_bb_x0 || ob == bbox_->input_bb_x1 ||
 572             ob == bbox_->input_bb_y0 || ob == bbox_->input_bb_y1 ||
 573             ob == size_->input_width || ob == size_->input_height ||
 574             ob == lyxview_->input_lyxwidth || ob == lyxview_->input_lyxheight) {
 575                 if (invalid) {
 576                         fl_set_object_label(dialog_->text_warning,
 577                                 _("Warning: Invalid Length!"));
 578                         fl_show_object(dialog_->text_warning);
 579                         return ButtonPolicy::SMI_INVALID;
 580                 } else {
 581                         fl_hide_object(dialog_->text_warning);
 582                 }
 583         }
 584
 585         return ButtonPolicy::SMI_VALID;
 586 }
 587