src/frontends/xforms/FormExternal.C

   1 /**
   2  * \file FormExternal.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Asger Alstrup
   7  * \author John Levon
   8  * \author Angus Leeming
   9  *
  10  * Full author contact details are available in file CREDITS.
  11  */
  12
  13 #include <config.h>
  14
  15 #include "FormExternal.h"
  16 #include "forms/form_external.h"
  17
  18 #include "checkedwidgets.h"
  19 #include "input_validators.h"
  20 #include "Tooltips.h"
  21 #include "xforms_helpers.h"
  22 #include "xformsBC.h"
  23
  24 #include "controllers/ControlExternal.h"
  25
  26 #include "lengthcommon.h"
  27 #include "lyxrc.h"
  28
  29 #include "insets/ExternalTemplate.h"
  30 #include "insets/insetexternal.h"
  31
  32 #include "support/lstrings.h"
  33 #include "support/lyxlib.h"
  34 #include "support/tostr.h"
  35
  36 #include "lyx_forms.h"
  37
  38 namespace external = lyx::external;
  39
  40 using lyx::support::bformat;
  41 using lyx::support::float_equal;
  42 using lyx::support::getStringFromVector;
  43 using lyx::support::isStrDbl;
  44 using lyx::support::strToDbl;
  45 using lyx::support::strToInt;
  46 using lyx::support::token;
  47 using lyx::support::trim;
  48
  49 using std::find;
  50 using std::string;
  51 using std::vector;
  52
  53
  54 namespace {
  55
  56 LyXLength::UNIT defaultUnit()
  57 {
  58         LyXLength::UNIT default_unit = LyXLength::CM;
  59         switch (lyxrc.default_papersize) {
  60         case PAPER_USLETTER:
  61         case PAPER_LEGALPAPER:
  62         case PAPER_EXECUTIVEPAPER:
  63                 default_unit = LyXLength::IN;
  64                 break;
  65         default:
  66                 break;
  67         }
  68         return default_unit;
  69 }
  70
  71
  72 void setDisplay(FL_OBJECT * displayCB, FL_OBJECT * showCO, FL_OBJECT * scaleED,
  73                 external::DisplayType display, unsigned int scale,
  74                 bool read_only)
  75 {
  76         BOOST_ASSERT(displayCB && displayCB->objclass == FL_CHECKBUTTON);
  77         BOOST_ASSERT(showCO && showCO->objclass == FL_CHOICE);
  78         BOOST_ASSERT(scaleED && scaleED->objclass == FL_INPUT);
  79
  80         int item = 1;
  81         switch (display) {
  82         case external::DefaultDisplay:
  83                 item = 1;
  84                 break;
  85         case external::MonochromeDisplay:
  86                 item = 2;
  87                 break;
  88         case external::GrayscaleDisplay:
  89                 item = 3;
  90                 break;
  91         case external::ColorDisplay:
  92                 item = 4;
  93                 break;
  94         case external::PreviewDisplay:
  95                 item = 5;
  96                 break;
  97         case external::NoDisplay:
  98                 item = 1;
  99                 break;
 100         }
 101
 102         fl_set_choice(showCO, item);
 103
 104         bool const no_display = display == lyx::external::NoDisplay;
 105         setEnabled(showCO, !no_display && !read_only);
 106
 107         fl_set_button(displayCB, !no_display);
 108
 109         fl_set_input(scaleED, tostr(scale).c_str());
 110         setEnabled(scaleED, !no_display && !read_only);
 111 }
 112
 113
 114 void getDisplay(external::DisplayType & display,
 115                 unsigned int & scale,
 116                 FL_OBJECT * displayCB,
 117                 FL_OBJECT * showCO,
 118                 FL_OBJECT * scaleED)
 119 {
 120         BOOST_ASSERT(displayCB && displayCB->objclass == FL_CHECKBUTTON);
 121         BOOST_ASSERT(showCO && showCO->objclass == FL_CHOICE);
 122         BOOST_ASSERT(scaleED && scaleED->objclass == FL_INPUT);
 123
 124         switch (fl_get_choice(showCO)) {
 125         case 1:
 126                 display = external::DefaultDisplay;
 127                 break;
 128         case 2:
 129                 display = external::MonochromeDisplay;
 130                 break;
 131         case 3:
 132                 display = external::GrayscaleDisplay;
 133                 break;
 134         case 4:
 135                 display = external::ColorDisplay;
 136                 break;
 137         case 5:
 138                 display = external::PreviewDisplay;
 139                 break;
 140         }
 141
 142         if (!fl_get_button(displayCB))
 143                 display = external::NoDisplay;
 144
 145         scale = strToInt(getString(scaleED));
 146 }
 147
 148
 149 void setRotation(FL_OBJECT * angleED, FL_OBJECT * originCO,
 150                  external::RotationData const & data)
 151 {
 152         BOOST_ASSERT(angleED && angleED->objclass == FL_INPUT);
 153         BOOST_ASSERT(originCO && originCO->objclass == FL_CHOICE);
 154
 155         fl_set_choice(originCO, 1 + int(data.origin()));
 156         fl_set_input(angleED, tostr(data.angle()).c_str());
 157 }
 158
 159
 160 void getRotation(external::RotationData & data,
 161                  FL_OBJECT * angleED, FL_OBJECT * originCO)
 162 {
 163         BOOST_ASSERT(angleED && angleED->objclass == FL_INPUT);
 164         BOOST_ASSERT(originCO && originCO->objclass == FL_CHOICE);
 165
 166         typedef external::RotationData::OriginType OriginType;
 167
 168         data.origin(static_cast<OriginType>(fl_get_choice(originCO) - 1));
 169         data.angle(strToDbl(getString(angleED)));
 170 }
 171
 172
 173 void setSize(FL_OBJECT * widthED, FL_OBJECT * widthUnitCO,
 174              FL_OBJECT * heightED, FL_OBJECT * heightUnitCO,
 175              FL_OBJECT * aspectratioCB,
 176              external::ResizeData const & data)
 177 {
 178         BOOST_ASSERT(widthED && widthED->objclass == FL_INPUT);
 179         BOOST_ASSERT(widthUnitCO && widthUnitCO->objclass == FL_CHOICE);
 180         BOOST_ASSERT(heightED && heightED->objclass == FL_INPUT);
 181         BOOST_ASSERT(heightUnitCO && heightUnitCO->objclass == FL_CHOICE);
 182         BOOST_ASSERT(aspectratioCB &&
 183                      aspectratioCB->objclass == FL_CHECKBUTTON);
 184
 185         bool using_scale = data.usingScale();
 186         double scale =  data.scale;
 187         if (data.no_resize()) {
 188                 // Everything is zero, so default to this!
 189                 using_scale = true;
 190                 scale = 100;
 191         }
 192
 193         if (using_scale) {
 194                 fl_set_input(widthED, tostr(scale).c_str());
 195                 fl_set_choice(widthUnitCO, 1);
 196         } else {
 197                 fl_set_input(widthED, tostr(data.width.value()).c_str());
 198                 // Because 'Scale' is position 1...
 199                 // Note also that width cannot be zero here, so
 200                 // we don't need to worry about the default unit.
 201                 fl_set_choice(widthUnitCO, data.width.unit() + 2);
 202         }
 203
 204         string const h = data.height.zero() ? string() : data.height.asString();
 205         LyXLength::UNIT default_unit = data.width.zero() ?
 206                 defaultUnit() : data.width.unit();
 207         updateWidgetsFromLengthString(heightED, heightUnitCO,
 208                                       h, stringFromUnit(default_unit));
 209
 210         setEnabled(heightED, !using_scale);
 211         setEnabled(heightUnitCO, !using_scale);
 212
 213         fl_set_button(aspectratioCB, data.keepAspectRatio);
 214
 215         bool const disable_aspectRatio = using_scale ||
 216                 data.width.zero() || data.height.zero();
 217         setEnabled(aspectratioCB, !disable_aspectRatio);
 218 }
 219
 220
 221 void getSize(external::ResizeData & data,
 222              FL_OBJECT * widthED, FL_OBJECT * widthUnitCO,
 223              FL_OBJECT * heightED, FL_OBJECT * heightUnitCO,
 224              FL_OBJECT * aspectratioCB)
 225 {
 226         BOOST_ASSERT(widthED && widthED->objclass == FL_INPUT);
 227         BOOST_ASSERT(widthUnitCO && widthUnitCO->objclass == FL_CHOICE);
 228         BOOST_ASSERT(heightED && heightED->objclass == FL_INPUT);
 229         BOOST_ASSERT(heightUnitCO && heightUnitCO->objclass == FL_CHOICE);
 230         BOOST_ASSERT(aspectratioCB &&
 231                      aspectratioCB->objclass == FL_CHECKBUTTON);
 232
 233         string const width = getString(widthED);
 234
 235         if (fl_get_choice(widthUnitCO) > 1) {
 236                 // Subtract one, because scale is 1.
 237                 int const unit = fl_get_choice(widthUnitCO) - 1;
 238
 239                 LyXLength w;
 240                 if (isValidLength(width, &w))
 241                         data.width = w;
 242                 else if (isStrDbl(width))
 243                         data.width = LyXLength(strToDbl(width),
 244                                            static_cast<LyXLength::UNIT>(unit));
 245                 else
 246                         data.width = LyXLength();
 247
 248                 data.scale = 0.0;
 249
 250         } else {
 251                 // scaling instead of a width
 252                 data.scale = strToDbl(width);
 253                 data.width = LyXLength();
 254         }
 255
 256         data.height = LyXLength(getLengthFromWidgets(heightED, heightUnitCO));
 257
 258         data.keepAspectRatio = fl_get_button(aspectratioCB);
 259 }
 260
 261
 262 void setCrop(FL_OBJECT * clipCB,
 263              FL_OBJECT * xlED, FL_OBJECT * ybED,
 264              FL_OBJECT * xrED, FL_OBJECT * ytED,
 265              external::ClipData const & data)
 266 {
 267         BOOST_ASSERT(clipCB && clipCB->objclass == FL_CHECKBUTTON);
 268         BOOST_ASSERT(xlED && xlED->objclass == FL_INPUT);
 269         BOOST_ASSERT(ybED && ybED->objclass == FL_INPUT);
 270         BOOST_ASSERT(xrED && xrED->objclass == FL_INPUT);
 271         BOOST_ASSERT(ytED && ytED->objclass == FL_INPUT);
 272
 273         fl_set_button(clipCB, data.clip);
 274         lyx::graphics::BoundingBox const & bbox = data.bbox;
 275         fl_set_input(xlED, tostr(bbox.xl).c_str());
 276         fl_set_input(ybED, tostr(bbox.yb).c_str());
 277         fl_set_input(xrED, tostr(bbox.xr).c_str());
 278         fl_set_input(ytED, tostr(bbox.yt).c_str());
 279 }
 280
 281
 282 void getCrop(external::ClipData & data,
 283              FL_OBJECT * clipCB,
 284              FL_OBJECT * xlED, FL_OBJECT * ybED,
 285              FL_OBJECT * xrED, FL_OBJECT * ytED,
 286              bool bb_changed)
 287 {
 288         BOOST_ASSERT(clipCB && clipCB->objclass == FL_CHECKBUTTON);
 289         BOOST_ASSERT(xlED && xlED->objclass == FL_INPUT);
 290         BOOST_ASSERT(ybED && ybED->objclass == FL_INPUT);
 291         BOOST_ASSERT(xrED && xrED->objclass == FL_INPUT);
 292         BOOST_ASSERT(ytED && ytED->objclass == FL_INPUT);
 293
 294         data.clip = fl_get_button(clipCB);
 295
 296         if (!bb_changed)
 297                 return;
 298
 299         data.bbox.xl = strToInt(getString(xlED));
 300         data.bbox.yb = strToInt(getString(ybED));
 301         data.bbox.xr = strToInt(getString(xrED));
 302         data.bbox.yt = strToInt(getString(ytED));
 303 }
 304
 305
 306 void getExtra(external::ExtraData & data,
 307               FormExternal::MapType const & extra)
 308 {
 309         typedef FormExternal::MapType MapType;
 310         MapType::const_iterator it  = extra.begin();
 311         MapType::const_iterator const end = extra.end();
 312         for (; it != end; ++it)
 313                 data.set(it->first, trim(it->second));
 314 }
 315
 316 } // namespace anon
 317
 318
 319 typedef FormController<ControlExternal, FormView<FD_external> > base_class;
 320
 321 FormExternal::FormExternal(Dialog & parent)
 322         : base_class(parent, _("External Material"))
 323 {}
 324
 325
 326 void FormExternal::build()
 327 {
 328         dialog_.reset(build_external(this));
 329         file_.reset(build_external_file(this));
 330         lyxview_.reset(build_external_lyxview(this));
 331         rotate_.reset(build_external_rotate(this));
 332         scale_.reset(build_external_scale(this));
 333         crop_.reset(build_external_crop(this));
 334         options_.reset(build_external_options(this));
 335
 336         bcview().setOK(dialog_->button_ok);
 337         bcview().setApply(dialog_->button_apply);
 338         bcview().setCancel(dialog_->button_close);
 339
 340         bcview().addReadOnly(file_->input_file);
 341         bcview().addReadOnly(file_->button_browse);
 342         bcview().addReadOnly(file_->button_edit);
 343         bcview().addReadOnly(file_->choice_template);
 344         bcview().addReadOnly(file_->check_draft);
 345
 346         bcview().addReadOnly(lyxview_->check_show);
 347         bcview().addReadOnly(lyxview_->choice_show);
 348         bcview().addReadOnly(lyxview_->input_displayscale);
 349
 350         bcview().addReadOnly(rotate_->input_angle);
 351         bcview().addReadOnly(rotate_->choice_origin);
 352
 353         bcview().addReadOnly(scale_->input_width);
 354         bcview().addReadOnly(scale_->choice_width);
 355         bcview().addReadOnly(scale_->input_height);
 356         bcview().addReadOnly(scale_->choice_height);
 357         bcview().addReadOnly(scale_->check_aspectratio);
 358
 359         bcview().addReadOnly(crop_->check_bbox);
 360         bcview().addReadOnly(crop_->button_get_bbox);
 361         bcview().addReadOnly(crop_->input_xr);
 362         bcview().addReadOnly(crop_->input_yt);
 363         bcview().addReadOnly(crop_->input_xl);
 364         bcview().addReadOnly(crop_->input_yb);
 365
 366         bcview().addReadOnly(options_->choice_option);
 367         bcview().addReadOnly(options_->input_option);
 368
 369         // initial setting
 370 //      addCheckedPositiveFloat(bcview(), scale_->input_width);
 371         // As I haven't written addCheckedPositiveFloat, we default to
 372         // always checking that it is a valide LyXLength, even when
 373         // I'm 'scaling'. No harm done, just not as strict as it might be.
 374         addCheckedLyXLength(bcview(), scale_->input_width);
 375         addCheckedLyXLength(bcview(), scale_->input_height);
 376
 377 //      addCheckedPositiveFloat(bcview(), input_displayscale);
 378         fl_set_input_filter(lyxview_->input_displayscale,
 379                             fl_unsigned_int_filter);
 380
 381         fl_set_input_filter(crop_->input_xr, fl_unsigned_int_filter);
 382         fl_set_input_filter(crop_->input_yt, fl_unsigned_int_filter);
 383         fl_set_input_filter(crop_->input_xl, fl_unsigned_int_filter);
 384         fl_set_input_filter(crop_->input_yb, fl_unsigned_int_filter);
 385
 386         fl_set_input_return(file_->input_file,            FL_RETURN_CHANGED);
 387         fl_set_input_return(lyxview_->input_displayscale, FL_RETURN_CHANGED);
 388         fl_set_input_return(rotate_->input_angle,         FL_RETURN_CHANGED);
 389         fl_set_input_return(scale_->input_width,          FL_RETURN_CHANGED);
 390         fl_set_input_return(scale_->input_height,         FL_RETURN_CHANGED);
 391         fl_set_input_return(crop_->input_xr,              FL_RETURN_CHANGED);
 392         fl_set_input_return(crop_->input_yt,              FL_RETURN_CHANGED);
 393         fl_set_input_return(crop_->input_xl,              FL_RETURN_CHANGED);
 394         fl_set_input_return(crop_->input_yb,              FL_RETURN_CHANGED);
 395         fl_set_input_return(options_->input_option,       FL_RETURN_CHANGED);
 396
 397         // Trigger an input event for cut&paste with middle mouse button.
 398         setPrehandler(file_->input_file);
 399         setPrehandler(lyxview_->input_displayscale);
 400         setPrehandler(rotate_->input_angle);
 401         setPrehandler(scale_->input_width);
 402         setPrehandler(scale_->input_height);
 403         setPrehandler(crop_->input_xr);
 404         setPrehandler(crop_->input_yt);
 405         setPrehandler(crop_->input_xl);
 406         setPrehandler(crop_->input_yb);
 407         setPrehandler(options_->input_option);
 408
 409         string const choice =
 410                 ' ' + getStringFromVector(controller().getTemplates(), " | ") +
 411                 ' ';
 412         fl_addto_choice(file_->choice_template, choice.c_str());
 413
 414         string const display_list =
 415                 _("Default|Monochrome|Grayscale|Color|Preview");
 416         fl_addto_choice(lyxview_->choice_show, display_list.c_str());
 417
 418         // Fill the origins combo
 419         typedef vector<external::RotationDataType> Origins;
 420         Origins const & all_origins = external::all_origins();
 421         for (Origins::size_type i = 0; i != all_origins.size(); ++i)
 422                 fl_addto_choice(rotate_->choice_origin,
 423                                 external::origin_gui_str(i).c_str());
 424
 425         string const width_list = bformat(_("Scale%%%%|%1$s"),
 426                                           choice_Length_All);
 427         fl_addto_choice(scale_->choice_width, width_list.c_str());
 428
 429         fl_addto_choice(scale_->choice_height, choice_Length_All.c_str());
 430
 431         // Set up the tooltips.
 432         string str = _("The file you want to insert.");
 433         tooltips().init(file_->input_file, str);
 434         str = _("Browse the directories.");
 435         tooltips().init(file_->button_browse, str);
 436
 437         str = _("Scale the image to inserted percentage value.");
 438         tooltips().init(lyxview_->input_displayscale, str);
 439         str = _("Select display mode for this image.");
 440         tooltips().init(options_->choice_option, str);
 441
 442         // Stack tabs
 443         tabmap_[FILETAB] =
 444                 fl_addto_tabfolder(dialog_->tabfolder, _("File").c_str(),
 445                                    file_->form);
 446
 447         tabmap_[LYXVIEWTAB] =
 448                 fl_addto_tabfolder(dialog_->tabfolder, _("LyX View").c_str(),
 449                                    lyxview_->form);
 450         tabmap_[ROTATETAB] =
 451                 fl_addto_tabfolder(dialog_->tabfolder, _("Rotate").c_str(),
 452                                    rotate_->form);
 453         tabmap_[SCALETAB] =
 454                 fl_addto_tabfolder(dialog_->tabfolder, _("Scale").c_str(),
 455                                    scale_->form);
 456         tabmap_[CROPTAB] =
 457                 fl_addto_tabfolder(dialog_->tabfolder, _("Crop").c_str(),
 458                                    crop_->form);
 459         tabmap_[OPTIONSTAB] =
 460                 fl_addto_tabfolder(dialog_->tabfolder, _("Options").c_str(),
 461                                    options_->form);
 462 }
 463
 464
 465 void FormExternal::update()
 466 {
 467         fl_set_folder_bynumber(dialog_->tabfolder, 1);
 468         InsetExternalParams const & params = controller().params();
 469
 470         string const buffer_path = kernel().bufferFilepath();
 471         string const name = params.filename.outputFilename(buffer_path);
 472         fl_set_input(file_->input_file, name.c_str());
 473
 474         int ID = controller().getTemplateNumber(params.templatename());
 475         if (ID < 0) ID = 0;
 476         fl_set_choice(file_->choice_template, ID+1);
 477
 478         updateComboChange();
 479
 480         fl_set_button(file_->check_draft, params.draft);
 481
 482         setDisplay(lyxview_->check_show, lyxview_->choice_show,
 483                    lyxview_->input_displayscale,
 484                    params.display, params.lyxscale,
 485                    kernel().isBufferReadonly());
 486
 487         setRotation(rotate_->input_angle, rotate_->choice_origin,
 488                     params.rotationdata);
 489
 490         setSize(scale_->input_width, scale_->choice_width,
 491                 scale_->input_height, scale_->choice_height,
 492                 scale_->check_aspectratio,
 493                 params.resizedata);
 494
 495         setCrop(crop_->check_bbox,
 496                 crop_->input_xl, crop_->input_yb,
 497                 crop_->input_xr, crop_->input_yt,
 498                 params.clipdata);
 499         controller().bbChanged(!params.clipdata.bbox.empty());
 500 }
 501
 502
 503 void FormExternal::updateComboChange()
 504 {
 505         namespace external = lyx::external;
 506
 507         int const choice = fl_get_choice(file_->choice_template) - 1;
 508         external::Template templ = controller().getTemplate(choice);
 509
 510         // Update the help text
 511         string const txt = formatted(templ.helpText,
 512                                      file_->browser_template->w - 20);
 513         fl_clear_browser(file_->browser_template);
 514         fl_addto_browser(file_->browser_template, txt.c_str());
 515         fl_set_browser_topline(file_->browser_template, 0);
 516
 517         // Ascertain which (if any) transformations the template supports
 518         // and disable tabs hosting unsupported transforms.
 519         typedef vector<external::TransformID> TransformIDs;
 520         TransformIDs const transformIds = templ.transformIds;
 521         TransformIDs::const_iterator tr_begin = transformIds.begin();
 522         TransformIDs::const_iterator const tr_end = transformIds.end();
 523
 524         tabmap_[FILETAB];
 525         tabmap_[LYXVIEWTAB];
 526         tabmap_[ROTATETAB];
 527         tabmap_[SCALETAB];
 528         tabmap_[CROPTAB];
 529         tabmap_[OPTIONSTAB];
 530
 531         bool found = find(tr_begin, tr_end, external::Rotate) != tr_end;
 532         setEnabled(tabmap_[ROTATETAB], found);
 533
 534         found = find(tr_begin, tr_end, external::Resize) != tr_end;
 535         setEnabled(tabmap_[SCALETAB], found);
 536
 537         found = find(tr_begin, tr_end, external::Clip) != tr_end;
 538         setEnabled(tabmap_[CROPTAB], found);
 539
 540         found = find(tr_begin, tr_end, external::Extra) != tr_end;
 541         setEnabled(tabmap_[OPTIONSTAB], found);
 542
 543         if (!found)
 544                 return;
 545
 546         // Ascertain whether the template has any formats supporting
 547         // the 'Extra' option
 548         FL_OBJECT * const ob_input  = options_->input_option;
 549         FL_OBJECT * const ob_choice = options_->choice_option;
 550         extra_.clear();
 551         fl_set_input(ob_input, "");
 552         fl_clear_choice(ob_choice);
 553
 554         external::Template::Formats::const_iterator it  = templ.formats.begin();
 555         external::Template::Formats::const_iterator end = templ.formats.end();
 556         for (; it != end; ++it) {
 557                 if (it->second.option_transformers.find(external::Extra) ==
 558                     it->second.option_transformers.end())
 559                         continue;
 560                 string const format = it->first;
 561                 string const opt = controller().params().extradata.get(format);
 562                 fl_addto_choice(ob_choice, format.c_str());
 563                 extra_[format] = opt;
 564         }
 565
 566         bool const enabled = fl_get_choice_maxitems(ob_choice) > 0;
 567
 568         setEnabled(tabmap_[OPTIONSTAB], enabled);
 569         setEnabled(ob_input,  enabled && !kernel().isBufferReadonly());
 570         setEnabled(ob_choice, enabled);
 571
 572         if (enabled) {
 573                 fl_set_choice(ob_choice, 1);
 574                 string const format = fl_get_choice_text(ob_choice);
 575                 fl_set_input(ob_input, extra_[format].c_str());
 576         }
 577 }
 578
 579
 580 void FormExternal::apply()
 581 {
 582         InsetExternalParams params = controller().params();
 583
 584         string const buffer_path = kernel().bufferFilepath();
 585         params.filename.set(getString(file_->input_file), buffer_path);
 586
 587         int const choice = fl_get_choice(file_->choice_template) - 1;
 588         params.settemplate(controller().getTemplate(choice).lyxName);
 589
 590         params.draft = fl_get_button(file_->check_draft);
 591
 592         getDisplay(params.display, params.lyxscale,
 593                    lyxview_->check_show, lyxview_->choice_show,
 594                    lyxview_->input_displayscale);
 595
 596         if (isActive(tabmap_[ROTATETAB]))
 597                 getRotation(params.rotationdata,
 598                             rotate_->input_angle, rotate_->choice_origin);
 599
 600         if (isActive(tabmap_[SCALETAB]))
 601                 getSize(params.resizedata,
 602                         scale_->input_width, scale_->choice_width,
 603                         scale_->input_height, scale_->choice_height,
 604                         scale_->check_aspectratio);
 605
 606         if (isActive(tabmap_[CROPTAB]))
 607                 getCrop(params.clipdata,
 608                         crop_->check_bbox,
 609                         crop_->input_xl, crop_->input_yb,
 610                         crop_->input_xr, crop_->input_yt,
 611                         controller().bbChanged());
 612
 613         if (isActive(tabmap_[OPTIONSTAB]))
 614                 getExtra(params.extradata, extra_);
 615
 616         controller().setParams(params);
 617 }
 618
 619
 620 ButtonPolicy::SMInput FormExternal::input(FL_OBJECT * ob, long)
 621 {
 622         ButtonPolicy::SMInput result = ButtonPolicy::SMI_VALID;
 623
 624         if (ob == file_->choice_template) {
 625
 626                 // set to the chosen template
 627                 updateComboChange();
 628
 629         } else if (ob == file_->button_browse) {
 630
 631                 string const in_name  = fl_get_input(file_->input_file);
 632                 string const out_name = controller().Browse(in_name);
 633                 fl_set_input(file_->input_file, out_name.c_str());
 634
 635         } else if (ob == file_->button_edit) {
 636                 controller().editExternal();
 637                 result = ButtonPolicy::SMI_NOOP;
 638
 639         } else if (ob == lyxview_->check_show) {
 640
 641                 bool const checked = fl_get_button(ob);
 642                 setEnabled(lyxview_->choice_show, checked);
 643                 setEnabled(lyxview_->input_displayscale, checked);
 644
 645         } else if (ob == crop_->button_get_bbox) {
 646
 647                 getBB();
 648
 649         } else if (ob == scale_->input_width ||
 650                    ob == scale_->input_height) {
 651
 652                 setEnabled(scale_->check_aspectratio,
 653                            activateAspectratio());
 654
 655         } else if (ob == scale_->choice_width) {
 656
 657                 widthUnitChanged();
 658
 659         } else if (ob == crop_->input_xr ||
 660                    ob == crop_->input_yt ||
 661                    ob == crop_->input_xl ||
 662                    ob == crop_->input_yb) {
 663
 664                 controller().bbChanged(true);
 665
 666         } else if (ob == options_->input_option) {
 667
 668                 string const format =
 669                         fl_get_choice_text(options_->choice_option);
 670                 extra_[format] = getString(options_->input_option);
 671
 672         } else if (ob == options_->choice_option) {
 673
 674                 string const format =
 675                         fl_get_choice_text(options_->choice_option);
 676                 fl_set_input(options_->input_option, extra_[format].c_str());
 677                 result = ButtonPolicy::SMI_NOOP;
 678         }
 679
 680         return result;
 681 }
 682
 683
 684 bool FormExternal::activateAspectratio() const
 685 {
 686         if (fl_get_choice(scale_->choice_width) == 1)
 687                 return false;
 688
 689         string const wstr = getString(scale_->input_width);
 690         if (wstr.empty())
 691                 return false;
 692         bool const wIsDbl = isStrDbl(wstr);
 693         if (wIsDbl && float_equal(strToDbl(wstr), 0.0, 0.05))
 694                 return false;
 695         LyXLength l;
 696         if (!wIsDbl && (!isValidLength(wstr, &l) || l.zero()))
 697                 return false;
 698
 699         string const hstr = getString(scale_->input_height);
 700         if (hstr.empty())
 701                 return false;
 702         bool const hIsDbl = isStrDbl(hstr);
 703         if (hIsDbl && float_equal(strToDbl(hstr), 0.0, 0.05))
 704                 return false;
 705         if (!hIsDbl && (!isValidLength(hstr, &l) || l.zero()))
 706                 return false;
 707
 708         return true;
 709 }
 710
 711
 712 void FormExternal::getBB()
 713 {
 714         fl_set_input(crop_->input_xl, "0");
 715         fl_set_input(crop_->input_yb, "0");
 716         fl_set_input(crop_->input_xr, "0");
 717         fl_set_input(crop_->input_yt, "0");
 718
 719         string const filename = getString(file_->input_file);
 720         if (filename.empty())
 721                 return;
 722
 723         string const bb = controller().readBB(filename);
 724         if (bb.empty())
 725                 return;
 726
 727         fl_set_input(crop_->input_xl, token(bb, ' ', 0).c_str());
 728         fl_set_input(crop_->input_yb, token(bb, ' ', 1).c_str());
 729         fl_set_input(crop_->input_xr, token(bb, ' ', 2).c_str());
 730         fl_set_input(crop_->input_yt, token(bb, ' ', 3).c_str());
 731
 732         controller().bbChanged(false);
 733 }
 734
 735
 736 void FormExternal::widthUnitChanged()
 737 {
 738         if (fl_get_choice(scale_->choice_width) == 1)
 739                 return;
 740
 741         bool useHeight = fl_get_choice(scale_->choice_width) > 1;
 742
 743 //      if (useHeight)
 744 //              widthED->setValidator(unsignedLengthValidator(widthED));
 745 //      else
 746 //              widthED->setValidator(new QDoubleValidator(0, 1000, 2, widthED));
 747
 748         setEnabled(scale_->input_height, useHeight);
 749         setEnabled(scale_->choice_height, useHeight);
 750 }