src/frontends/xforms/FormGraphics.C

   1 /**
   2  * \file FormGraphics.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Baruch Even
   7  * \author Herbert Voß
   8  * \author Rob Lahaye
   9  *
  10  * Full author contact details are available in file CREDITS.
  11  */
  12
  13 #include <config.h>
  14
  15 #include "FormGraphics.h"
  16 #include "ControlGraphics.h"
  17 #include "forms/form_graphics.h"
  18
  19 #include "controllers/helper_funcs.h"
  20
  21 #include "checkedwidgets.h"
  22 #include "input_validators.h"
  23 #include "Tooltips.h"
  24 #include "xforms_helpers.h"
  25 #include "xformsBC.h"
  26
  27 #include "lyxrc.h" // for lyxrc.display_graphics
  28
  29 #include "insets/insetgraphicsParams.h"
  30
  31 #include "frontends/Alert.h"
  32
  33 #include "support/lyxlib.h"  // for float_equal
  34 #include "support/convert.h"
  35
  36 #include "lyx_forms.h"
  37
  38 #include <cmath>
  39
  40 #ifndef CXX_GLOBAL_CSTD
  41 using std::floor;
  42 #endif
  43
  44 using std::endl;
  45
  46 using std::vector;
  47 using std::string;
  48
  49 namespace lyx {
  50
  51 using support::bformat;
  52 using support::float_equal;
  53 using support::getStringFromVector;
  54 using support::token;
  55
  56 namespace frontend {
  57
  58 namespace {
  59
  60 // Bound the number of input characters
  61 int const SIZE_MAXDIGITS = 10;
  62 int const FILENAME_MAXCHARS = 1024;
  63
  64 string defaultUnit("cm");
  65
  66 #if FL_VERSION == 0 || (FL_REVISION == 0 && FL_FIXLEVEL < 2)
  67 bool const scalableTabfolders = false;
  68 #else
  69 bool const scalableTabfolders = true;
  70 #endif
  71
  72 } // namespace anon
  73
  74
  75 typedef FormController<ControlGraphics, FormView<FD_graphics> > base_class;
  76
  77 FormGraphics::FormGraphics(Dialog & parent)
  78         : base_class(parent, _("Graphics"), scalableTabfolders)
  79 {}
  80
  81
  82 void FormGraphics::redraw()
  83 {
  84         if (form() && form()->visible)
  85                 fl_redraw_form(form());
  86         else
  87                 return;
  88         FL_FORM * outer_form = fl_get_active_folder(dialog_->tabfolder);
  89         if (outer_form && outer_form->visible)
  90                 fl_redraw_form(outer_form);
  91 }
  92
  93
  94 void FormGraphics::build()
  95 {
  96         dialog_.reset(build_graphics(this));
  97
  98         // Manage the ok, apply, restore and cancel/close buttons
  99         bcview().setOK(dialog_->button_ok);
 100         bcview().setApply(dialog_->button_apply);
 101         bcview().setCancel(dialog_->button_close);
 102         bcview().setRestore(dialog_->button_restore);
 103
 104         // The file section.
 105         file_.reset(build_graphics_file(this));
 106
 107         // Disable for read-only documents.
 108         bcview().addReadOnly(file_->button_browse);
 109         bcview().addReadOnly(file_->check_aspectratio);
 110         bcview().addReadOnly(file_->check_draft);
 111         bcview().addReadOnly(file_->check_nounzip);
 112
 113         // Check validity of "length + unit" input.
 114         addCheckedGlueLength(bcview(), file_->input_width);
 115         addCheckedGlueLength(bcview(), file_->input_height);
 116
 117         // Trigger an input event for cut&paste with middle mouse button.
 118         setPrehandler(file_->input_filename);
 119         setPrehandler(file_->input_lyxscale);
 120         setPrehandler(file_->input_width);
 121         setPrehandler(file_->input_height);
 122
 123         // Activate ok/apply immediately upon input.
 124         fl_set_input_return(file_->input_filename, FL_RETURN_CHANGED);
 125         fl_set_input_return(file_->input_lyxscale, FL_RETURN_CHANGED);
 126         fl_set_input_return(file_->input_width, FL_RETURN_CHANGED);
 127         fl_set_input_return(file_->input_height, FL_RETURN_CHANGED);
 128
 129         fl_set_input_maxchars(file_->input_filename, FILENAME_MAXCHARS);
 130         fl_set_input_filter(file_->input_lyxscale, fl_unsigned_int_filter);
 131
 132         // Width default is scaling: use unsigned float filter.
 133         fl_set_input_filter(file_->input_width, fl_unsigned_float_filter);
 134         fl_set_input_maxchars(file_->input_height, SIZE_MAXDIGITS);
 135
 136         string const display_List =
 137                 _("Default|Monochrome|Grayscale|Color|Do not display");
 138         fl_addto_choice(file_->choice_display, display_List.c_str());
 139
 140         string const height_list = buildChoiceLengthString();
 141         string const width_list = bformat(_("Scale%%%%|%1$s"), height_list);
 142
 143         fl_addto_choice(file_->choice_width, width_list.c_str());
 144         fl_addto_choice(file_->choice_height, height_list.c_str());
 145
 146         // set up the tooltips for the filesection
 147         string str = _("The file you want to insert.");
 148         tooltips().init(file_->input_filename, str);
 149         str = _("Browse the directories.");
 150         tooltips().init(file_->button_browse, str);
 151
 152         str = _("Scale the image to inserted percentage value.");
 153         tooltips().init(file_->input_lyxscale, str);
 154         str = _("Select display mode for this image.");
 155         tooltips().init(file_->choice_display, str);
 156
 157         str = _("Set the image width to the inserted value.");
 158         tooltips().init(file_->input_width, str);
 159         // xgettext:no-c-format
 160         str = _("Select unit for width; Scale% for scaling whole image.");
 161         tooltips().init(file_->choice_width, str);
 162         str = _("Set the image height to the inserted value.");
 163         tooltips().init(file_->input_height, str);
 164         str = _("Select unit for height.");
 165         tooltips().init(file_->choice_height, str);
 166         str = _("Do not distort the image. "
 167                 "Keep image within \"width\" by \"height\" and obey "
 168                 "aspect ratio.");
 169         tooltips().init(file_->check_aspectratio, str);
 170         str = _("Pass a filename like \"file.eps.gz\" to the LaTeX output. "
 171                 "Useful when LaTeX should unzip the file. Needs an additional "
 172                 "file like \"file.eps.bb\" which holds the values for "
 173                 "the bounding box.");
 174         tooltips().init(file_->check_nounzip, str);
 175         str = _("Show image only as a rectangle of the original size.");
 176         tooltips().init(file_->check_draft, str);
 177
 178         // the bounding box selection
 179         bbox_.reset(build_graphics_bbox(this));
 180
 181         // disable for read-only documents
 182         bcview().addReadOnly(bbox_->button_getBB);
 183         bcview().addReadOnly(bbox_->check_clip);
 184
 185         // check validity of "length + unit" input
 186         addCheckedLyXLength(bcview(), bbox_->input_bb_x1, bbox_->text_X);
 187
 188         // trigger an input event for cut&paste with middle mouse button.
 189         setPrehandler(bbox_->input_bb_x0);
 190         setPrehandler(bbox_->input_bb_y0);
 191         setPrehandler(bbox_->input_bb_x1);
 192         setPrehandler(bbox_->input_bb_y1);
 193
 194         // for activate ok/apply immediately upon input
 195         fl_set_input_return(bbox_->input_bb_x0, FL_RETURN_CHANGED);
 196         fl_set_input_return(bbox_->input_bb_y0, FL_RETURN_CHANGED);
 197         fl_set_input_return(bbox_->input_bb_x1, FL_RETURN_CHANGED);
 198         fl_set_input_return(bbox_->input_bb_y1, FL_RETURN_CHANGED);
 199
 200         fl_set_input_filter(bbox_->input_bb_x0, fl_unsigned_float_filter);
 201         fl_set_input_filter(bbox_->input_bb_y0, fl_unsigned_float_filter);
 202         fl_set_input_filter(bbox_->input_bb_y1, fl_unsigned_float_filter);
 203
 204         string const bb_units = getStringFromVector(getBBUnits(), "|");
 205         fl_addto_choice(bbox_->choice_bb_units, bb_units.c_str());
 206
 207         // set up the tooltips for the bounding-box-section
 208         str = _("The lower left x-value of the bounding box.");
 209         tooltips().init(bbox_->input_bb_x0, str);
 210         str = _("The lower left y-value of the bounding box.");
 211         tooltips().init(bbox_->input_bb_y0, str);
 212         str = _("The upper right x-value of the bounding box; "
 213                 "only this input field allows length + unit, e.g. 5cm "
 214                 "and sets the unit for the other input fields.");
 215         tooltips().init(bbox_->input_bb_x1, str);
 216         str = _("The upper right y-value of the bounding box.");
 217         tooltips().init(bbox_->input_bb_y1, str);
 218         str = _("Select unit for the bounding box values.");
 219         tooltips().init(bbox_->choice_bb_units, str);
 220
 221         str = _("Read the image coordinates new from file. For (e)ps-file "
 222                 "the bounding box is read, otherwise the imagesize in pixels. "
 223                 "Default unit is \"bp\", the PostScript's b(ig) p(oint).");
 224         tooltips().init(bbox_->button_getBB, str);
 225
 226         str = _("Clip image to the bounding box values.");
 227         tooltips().init(bbox_->check_clip, str);
 228
 229         // the extra section
 230         extra_.reset(build_graphics_extra(this));
 231
 232         // disable for read-only documents
 233         bcview().addReadOnly(extra_->input_rotate_angle);
 234         bcview().addReadOnly(extra_->choice_origin);
 235         bcview().addReadOnly(extra_->check_subcaption);
 236         bcview().addReadOnly(extra_->input_special);
 237
 238         // trigger an input event for cut&paste with middle mouse button.
 239         setPrehandler(extra_->input_rotate_angle);
 240         setPrehandler(extra_->input_subcaption);
 241         setPrehandler(extra_->input_special);
 242
 243         fl_set_input_return(extra_->input_rotate_angle, FL_RETURN_CHANGED);
 244         fl_set_input_return(extra_->input_subcaption, FL_RETURN_CHANGED);
 245         fl_set_input_return(extra_->input_special, FL_RETURN_CHANGED);
 246
 247         fl_set_input_filter(extra_->input_rotate_angle, fl_float_filter);
 248
 249         vector<RotationOriginPair> origindata = getRotationOriginData();
 250
 251         // Store the identifiers for later
 252         origins_ = getSecond(origindata);
 253
 254         string const choice = getStringFromVector(getFirst(origindata), "|");
 255         fl_addto_choice(extra_->choice_origin, choice.c_str());
 256
 257         // set up the tooltips for the extra section
 258         str = _("Insert the rotation angle in degrees. "
 259                 "Positive value rotates anti-clockwise, "
 260                 "negative value clockwise.");
 261         tooltips().init(extra_->input_rotate_angle, str);
 262         str = _("Insert the point of origin for rotation.");
 263         tooltips().init(extra_->choice_origin, str);
 264         str = _("Enables use of subfigure with its own caption.");
 265         tooltips().init(extra_->check_subcaption, str);
 266         str = _("Insert the optional subfigure caption.");
 267         tooltips().init(extra_->input_subcaption, str);
 268         str = _("Add any additional LaTeX option, which is defined in the "
 269                 "graphicx-package and not mentioned in the gui's tabfolders.");
 270         tooltips().init(extra_->input_special, str);
 271
 272         // Enable the tabfolder to be rescaled correctly.
 273         if (scalableTabfolders)
 274                 fl_set_tabfolder_autofit(dialog_->tabfolder, FL_FIT);
 275
 276         // Stack tabs
 277         fl_addto_tabfolder(dialog_->tabfolder, _("File").c_str(),
 278                            file_->form);
 279         fl_addto_tabfolder(dialog_->tabfolder, _("Bounding Box").c_str(),
 280                            bbox_->form);
 281         fl_addto_tabfolder(dialog_->tabfolder, _("Extra").c_str(),
 282                            extra_->form);
 283
 284         // set the right default unit
 285         switch (lyxrc.default_papersize) {
 286         case PAPER_DEFAULT: break;
 287         case PAPER_USLETTER:
 288         case PAPER_LEGALPAPER:
 289         case PAPER_EXECUTIVEPAPER: defaultUnit = "in"; break;
 290         case PAPER_A3PAPER:
 291         case PAPER_A4PAPER:
 292         case PAPER_A5PAPER:
 293         case PAPER_B5PAPER: defaultUnit = "cm"; break;
 294         }
 295 }
 296
 297
 298 void FormGraphics::apply()
 299 {
 300         // Create the parameters structure and fill the data from the dialog.
 301         InsetGraphicsParams & igp = controller().params();
 302
 303         // the file section
 304         igp.filename.set(getString(file_->input_filename),
 305                          kernel().bufferFilepath());
 306
 307         igp.lyxscale = convert<int>(getString(file_->input_lyxscale));
 308         if (igp.lyxscale == 0) {
 309                 igp.lyxscale = 100;
 310         }
 311
 312         switch (fl_get_choice(file_->choice_display)) {
 313         case 5:
 314                 igp.display = graphics::NoDisplay;
 315                 break;
 316         case 4:
 317                 igp.display = graphics::ColorDisplay;
 318                 break;
 319         case 3:
 320                 igp.display = graphics::GrayscaleDisplay;
 321                 break;
 322         case 2:
 323                 igp.display = graphics::MonochromeDisplay;
 324                 break;
 325         case 1:
 326                 igp.display = graphics::DefaultDisplay;
 327         }
 328
 329         // first item in choice_width means scaling
 330         if (fl_get_choice(file_->choice_width) == 1) {
 331                 igp.scale = getString(file_->input_width);
 332                 if (igp.scale.empty()
 333                         || float_equal(convert<double>(igp.scale), 0.0, 0.05)
 334                         || float_equal(convert<double>(igp.scale), 100.0, 0.05)) {
 335                         igp.scale.erase();
 336                 }
 337                 igp.width = LyXLength();
 338         } else {
 339                 igp.scale.erase();
 340                 igp.width = LyXLength(getLengthFromWidgets(file_->input_width,
 341                                                            file_->choice_width));
 342         }
 343         igp.height = LyXLength(getLengthFromWidgets(file_->input_height,
 344                                                     file_->choice_height));
 345         igp.keepAspectRatio = fl_get_button(file_->check_aspectratio);
 346
 347         igp.draft = fl_get_button(file_->check_draft);
 348         igp.noUnzip = fl_get_button(file_->check_nounzip);
 349
 350         // the bb section
 351         if (!controller().bbChanged) {
 352                 // don't write anything
 353                 igp.bb.erase();
 354         } else {
 355                 // allow length + unit input only for x1 input field
 356                 string x1_str = "0";
 357                 if (!getString(bbox_->input_bb_x1).empty()) {
 358                         x1_str = getLengthFromWidgets(bbox_->input_bb_x1,
 359                                                       bbox_->choice_bb_units);
 360                         LyXLength x1 = LyXLength(x1_str);
 361                         x1_str = x1.asString();
 362
 363                         string unit;
 364                         switch (x1.unit()) {
 365                         case LyXLength::IN:
 366                                 unit = "in";
 367                                 break;
 368                         case LyXLength::MM:
 369                                 unit = "mm";
 370                                 break;
 371                         case LyXLength::CM:
 372                                 unit = "cm";
 373                                 break;
 374                         case LyXLength::BP:
 375                         default:
 376                                 unit = "bp";
 377                         }
 378                         fl_set_choice_text(bbox_->choice_bb_units, unit.c_str());
 379                 }
 380
 381                 string bb;
 382                 if (getString(bbox_->input_bb_x0).empty())
 383                         bb = "0";
 384                 else
 385                         bb = getLengthFromWidgets(bbox_->input_bb_x0,
 386                                                   bbox_->choice_bb_units);
 387
 388                 bb += ' ';
 389
 390                 if (getString(bbox_->input_bb_y0).empty())
 391                         bb += '0';
 392                 else
 393                         bb += getLengthFromWidgets(bbox_->input_bb_y0,
 394                                                   bbox_->choice_bb_units);
 395
 396                 bb += ' ' + x1_str + ' ';
 397
 398                 if (getString(bbox_->input_bb_y1).empty())
 399                         bb += '0';
 400                 else
 401                         bb += getLengthFromWidgets(bbox_->input_bb_y1,
 402                                                    bbox_->choice_bb_units);
 403
 404                 igp.bb = bb;
 405         }
 406         igp.clip = fl_get_button(bbox_->check_clip);
 407
 408         // the extra section
 409         igp.rotateAngle = getString(extra_->input_rotate_angle);
 410
 411         // map angle into -360 (clock-wise) to +360 (counter clock-wise)
 412         double rotAngle = convert<double>(igp.rotateAngle);
 413         if (std::abs(rotAngle) > 360.0) {
 414                  rotAngle -= 360.0 * floor(rotAngle / 360.0);
 415                  igp.rotateAngle = convert<string>(rotAngle);
 416         }
 417
 418         fl_set_input(extra_->input_rotate_angle, igp.rotateAngle.c_str());
 419
 420         int const origin_pos = fl_get_choice(extra_->choice_origin);
 421         if (origin_pos == 0) {
 422                 igp.rotateOrigin.erase();
 423         } else {
 424                 igp.rotateOrigin = origins_[origin_pos - 1];
 425         }
 426
 427         igp.subcaption = fl_get_button(extra_->check_subcaption);
 428         igp.subcaptionText = getString(extra_->input_subcaption);
 429
 430         igp.special = getString(extra_->input_special);
 431 }
 432
 433
 434 void FormGraphics::update() {
 435         // Update dialog with details from inset
 436         InsetGraphicsParams & igp = controller().params();
 437
 438         // the file section
 439         string const name =
 440                 igp.filename.outputFilename(kernel().bufferFilepath());
 441         fl_set_input(file_->input_filename, name.c_str());
 442         fl_set_input(file_->input_lyxscale, convert<string>(igp.lyxscale).c_str());
 443
 444         switch (igp.display) {
 445         case graphics::NoDisplay:
 446                 fl_set_choice(file_->choice_display, 5);
 447                 break;
 448         case graphics::ColorDisplay:
 449                 fl_set_choice(file_->choice_display, 4);
 450                 break;
 451         case graphics::GrayscaleDisplay:
 452                 fl_set_choice(file_->choice_display, 3);
 453                 break;
 454         case graphics::MonochromeDisplay:
 455                 fl_set_choice(file_->choice_display, 2);
 456                 break;
 457         case graphics::DefaultDisplay:
 458                 fl_set_choice(file_->choice_display, 1);
 459         }
 460
 461         // set width input fields according to scaling or width/height input
 462         if (!igp.scale.empty() && !float_equal(convert<double>(igp.scale), 0.0, 0.05)) {
 463                 fl_set_input_filter(file_->input_width, fl_unsigned_float_filter);
 464                 fl_set_input_maxchars(file_->input_width, 0);
 465                 fl_set_input(file_->input_width, igp.scale.c_str());
 466                 fl_set_choice(file_->choice_width, 1);
 467         } else {
 468                 fl_set_input_filter(file_->input_width, NULL);
 469                 fl_set_input_maxchars(file_->input_width, SIZE_MAXDIGITS);
 470                 updateWidgetsFromLength(file_->input_width, file_->choice_width,
 471                                         igp.width, defaultUnit);
 472         }
 473
 474         updateWidgetsFromLength(file_->input_height, file_->choice_height,
 475                                 igp.height, defaultUnit);
 476
 477         // disable height input in case of scaling
 478         bool const disable_height = (!igp.scale.empty()
 479                 && !float_equal(convert<double>(igp.scale), 0.0, 0.05));
 480         setEnabled(file_->input_height, !disable_height);
 481         setEnabled(file_->choice_height, !disable_height);
 482
 483         fl_set_button(file_->check_aspectratio, igp.keepAspectRatio);
 484         fl_set_button(file_->check_draft, igp.draft);
 485         fl_set_button(file_->check_nounzip, igp.noUnzip);
 486
 487         // disable aspectratio button in case of scaling or one of width/height
 488         // is empty
 489         bool const disable_aspectRatio = disable_height ||
 490                                 getString(file_->input_width).empty() ||
 491                                 getString(file_->input_height).empty();
 492         setEnabled(file_->check_aspectratio, !disable_aspectRatio);
 493
 494         // the bb section
 495         // set the bounding box values, if exists. First we need the whole
 496         // path, because the controller knows nothing about the doc-dir
 497         updateBB(igp.filename.absFilename(), igp.bb);
 498         fl_set_button(bbox_->check_clip, igp.clip);
 499
 500         // the extra section
 501         fl_set_input(extra_->input_rotate_angle, igp.rotateAngle.c_str());
 502
 503         int origin_pos = 1;
 504         if (!igp.rotateOrigin.empty()) {
 505                 origin_pos += findPos(origins_, igp.rotateOrigin);
 506         }
 507         fl_set_choice(extra_->choice_origin, origin_pos);
 508
 509         fl_set_button(extra_->check_subcaption, igp.subcaption);
 510         fl_set_input(extra_->input_subcaption, igp.subcaptionText.c_str());
 511         setEnabled(extra_->input_subcaption,
 512                    fl_get_button(extra_->check_subcaption));
 513         fl_set_input(extra_->input_special, igp.special.c_str());
 514
 515         // open dialog in the file-tab, whenever filename is empty
 516         if (igp.filename.empty()) {
 517                 fl_set_folder(dialog_->tabfolder, file_->form);
 518         }
 519 }
 520
 521
 522 void FormGraphics::updateBB(string const & filename, string const & bb_inset)
 523 {
 524         // Update dialog with details from inset
 525         // set the bounding box values, if exists. First we need the whole
 526         // path, because the controller knows nothing about the doc-dir
 527         controller().bbChanged = false;
 528         if (bb_inset.empty()) {
 529                 lyxerr[Debug::GRAPHICS]
 530                         << "FormGraphics::updateBB() [no BoundingBox]" << endl;
 531                 string const bb = controller().readBB(filename);
 532                 if (!bb.empty()) {
 533                         // get the values from the file
 534                         // in this case we always have the point-unit
 535                         fl_set_input(bbox_->input_bb_x0,
 536                                      token(bb,' ',0).c_str());
 537                         fl_set_input(bbox_->input_bb_y0,
 538                                      token(bb,' ',1).c_str());
 539                         fl_set_input(bbox_->input_bb_x1,
 540                                      token(bb,' ',2).c_str());
 541                         fl_set_input(bbox_->input_bb_y1,
 542                                      token(bb,' ',3).c_str());
 543
 544                 } else {
 545                         // no bb from file
 546                         fl_set_input(bbox_->input_bb_x0, bb.c_str());
 547                         fl_set_input(bbox_->input_bb_y0, bb.c_str());
 548                         fl_set_input(bbox_->input_bb_x1, bb.c_str());
 549                         fl_set_input(bbox_->input_bb_y1, bb.c_str());
 550                 }
 551                 // "bp"
 552                 fl_set_choice(bbox_->choice_bb_units, 1);
 553
 554         } else {
 555                 // get the values from the inset
 556                 lyxerr[Debug::GRAPHICS]
 557                         << "FormGraphics::updateBB(): igp has BoundingBox"
 558                         << " ["<< bb_inset << "]" << endl;
 559                 controller().bbChanged = true;
 560
 561                 LyXLength anyLength;
 562                 anyLength = LyXLength(token(bb_inset,' ',0));
 563                 updateWidgetsFromLength(bbox_->input_bb_x0,
 564                                         bbox_->choice_bb_units,anyLength,"bp");
 565                 anyLength = LyXLength(token(bb_inset,' ',1));
 566                 updateWidgetsFromLength(bbox_->input_bb_y0,
 567                                         bbox_->choice_bb_units,anyLength,"bp");
 568                 anyLength = LyXLength(token(bb_inset,' ',2));
 569                 updateWidgetsFromLength(bbox_->input_bb_x1,
 570                                         bbox_->choice_bb_units,anyLength,"bp");
 571                 anyLength = LyXLength(token(bb_inset,' ',3));
 572                 updateWidgetsFromLength(bbox_->input_bb_y1,
 573                                         bbox_->choice_bb_units,anyLength,"bp");
 574         }
 575 }
 576
 577
 578 ButtonPolicy::SMInput FormGraphics::input(FL_OBJECT * ob, long)
 579 {
 580         ButtonPolicy::SMInput activate = ButtonPolicy::SMI_VALID;
 581
 582         // the file section
 583         if (ob == file_->button_browse) {
 584                 activate = ButtonPolicy::SMI_NOOP;
 585
 586                 // Get the filename from the dialog
 587                 string const in_name = getString(file_->input_filename);
 588                 string const out_name = controller().browse(in_name);
 589                 lyxerr[Debug::GRAPHICS]
 590                         << "[FormGraphics]out_name: " << out_name << endl;
 591                 if (out_name != in_name && !out_name.empty()) {
 592                         fl_set_input(file_->input_filename, out_name.c_str());
 593                 }
 594                 if (controller().isFilenameValid(out_name) &&
 595                     !controller().bbChanged) {
 596                         updateBB(out_name, string());
 597                 }
 598         } else if (ob == file_->input_width || ob == file_->input_height) {
 599                 // disable aspectratio button in case of scaling or one of
 600                 // width/height is empty
 601                 bool const disable = fl_get_choice(file_->choice_width) == 1 ||
 602                                     getString(file_->input_width).empty() ||
 603                                     getString(file_->input_height).empty();
 604                 setEnabled(file_->check_aspectratio, !disable);
 605         } else if (ob == file_->choice_width) {
 606                 // disable height input in case of scaling
 607                 bool const scaling = fl_get_choice(file_->choice_width) == 1;
 608                 setEnabled(file_->input_height, !scaling);
 609                 setEnabled(file_->choice_height, !scaling);
 610
 611                 // allow only integer intput for scaling; float otherwise
 612                 if (scaling) {
 613                         fl_set_input_filter(file_->input_width, fl_unsigned_float_filter);
 614                         fl_set_input_maxchars(file_->input_width, 0);
 615                 } else {
 616                         fl_set_input_filter(file_->input_width, NULL);
 617                         fl_set_input_maxchars(file_->input_width, SIZE_MAXDIGITS);
 618                 }
 619
 620                 // disable aspectratio button in case of scaling or height
 621                 // input is empty
 622                 bool const disable_aspectratio =
 623                         scaling || getString(file_->input_height).empty();
 624                 setEnabled(file_->check_aspectratio, !disable_aspectratio);
 625         // the bb section
 626         } else if (!controller().bbChanged &&
 627                    (ob == bbox_->check_clip  || ob == bbox_->choice_bb_units ||
 628                     ob == bbox_->input_bb_x0 || ob == bbox_->input_bb_y0 ||
 629                     ob == bbox_->input_bb_x1 || ob == bbox_->input_bb_y1)) {
 630                 controller().bbChanged = true;
 631         } else if (ob == bbox_->button_getBB) {
 632                 string const filename = getString(file_->input_filename);
 633                 if (!filename.empty()) {
 634                         string bb = controller().readBB(filename);
 635                         if (!bb.empty()) {
 636                                 fl_set_input(bbox_->input_bb_x0, token(bb,' ',0).c_str());
 637                                 fl_set_input(bbox_->input_bb_y0, token(bb,' ',1).c_str());
 638                                 fl_set_input(bbox_->input_bb_x1, token(bb,' ',2).c_str());
 639                                 fl_set_input(bbox_->input_bb_y1, token(bb,' ',3).c_str());
 640                                 fl_set_choice_text(bbox_->choice_bb_units, "bp");
 641                         }
 642                         controller().bbChanged = false;
 643                 } else {
 644                         fl_set_input(bbox_->input_bb_x0, "");
 645                         fl_set_input(bbox_->input_bb_y0, "");
 646                         fl_set_input(bbox_->input_bb_x1, "");
 647                         fl_set_input(bbox_->input_bb_y1, "");
 648                         fl_set_choice_text(bbox_->choice_bb_units, "bp");
 649                 }
 650         // the extra section
 651         } else if (ob == extra_->check_subcaption) {
 652                 setEnabled(extra_->input_subcaption,
 653                            fl_get_button(extra_->check_subcaption));
 654
 655         } else if (ob == file_->button_edit) {
 656                 activate = ButtonPolicy::SMI_NOOP;
 657                 controller().editGraphics();
 658         }
 659
 660
 661         return activate;
 662 }
 663
 664 } // namespace frontend
 665 } // namespace lyx