]> git.lyx.org Git - lyx.git/blob - src/frontends/xforms/FormGraphics.C
Herbert's and my fixes to the graphics inset.
[lyx.git] / 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 "form_graphics.h"
20 #include "Alert.h"
21
22 #include "xforms_helpers.h"
23 #include "input_validators.h"
24 #include "debug.h" // for lyxerr
25 #include "support/lstrings.h"  // for strToDbl & tostr
26 #include "support/filetools.h"  // for MakeAbsPath etc
27 #include "insets/insetgraphicsParams.h"
28 #include "lyxrc.h" // for lyxrc.display_graphics
29
30 using std::endl;
31
32 namespace {
33
34 // Bound the number of input characters
35 int const SCALE_MAXDIGITS = 3;
36 int const WIDTH_MAXDIGITS = 10;
37 int const HEIGHT_MAXDIGITS = 10;
38 int const ROTATE_MAXCHARS = 4;
39 int const FILENAME_MAXCHARS = 1024;
40 string defaultUnit("cm");
41
42 /// Given input and choice widgets, create a LyXLength
43 LyXLength getLyXLengthFromWidgets(FL_OBJECT * input, FL_OBJECT * choice)
44 {
45         return LyXLength(getLengthFromWidgets(input, choice));
46 }
47
48 } // namespace anon
49
50
51 typedef FormCB<ControlGraphics, FormDB<FD_form_graphics> > base_class;
52
53 FormGraphics::FormGraphics(ControlGraphics & c)
54         : base_class(c, _("Graphics"), false)
55 {}
56
57
58 void FormGraphics::redraw()
59 {
60         if (form() && form()->visible)
61                 fl_redraw_form(form());
62         else
63                 return;
64         FL_FORM * outer_form = fl_get_active_folder(dialog_->tabfolder);
65         if (outer_form && outer_form->visible)
66                 fl_redraw_form(outer_form);
67 }
68
69
70 void FormGraphics::build()
71 {
72         dialog_.reset(build_graphics());
73
74         // Allow the base class to control messages
75         setMessageWidget(dialog_->text_warning);
76
77         // Manage the ok, apply, restore and cancel/close buttons
78         bc().setOK(dialog_->button_ok);
79         bc().setApply(dialog_->button_apply);
80         bc().setCancel(dialog_->button_close);
81         bc().setRestore(dialog_->button_restore);
82
83         // the file section
84         file_.reset(build_file());
85
86         fl_set_input_return (file_->input_filename, FL_RETURN_CHANGED);
87         fl_set_input_return (file_->input_subcaption, FL_RETURN_CHANGED);
88         fl_set_input_return (file_->input_rotate_angle, FL_RETURN_CHANGED);
89         fl_set_input_maxchars(file_->input_filename,  FILENAME_MAXCHARS);
90         fl_set_input_maxchars(file_->input_rotate_angle, ROTATE_MAXCHARS);
91         fl_set_input_filter(file_->input_rotate_angle, fl_float_filter);
92
93         setPrehandler(file_->input_filename);
94         setPrehandler(file_->input_subcaption);
95         setPrehandler(file_->input_rotate_angle);
96
97         string const choice_origin =
98                 "center|"                                       // c
99                 "leftTop|leftBottom|leftBaseline|"              // lt lb lB
100                 "centerTop|centerBottom|centerBaseline|"        // ct cb cB
101                 "rightTop|rightBottom|rightBaseline";   // rt rb rB
102         fl_addto_choice(file_->choice_origin, choice_origin.c_str());
103
104         bc().addReadOnly(file_->button_browse);
105         bc().addReadOnly(file_->check_subcaption);
106         bc().addReadOnly(file_->check_rotate);
107         bc().addReadOnly(file_->check_draft);
108         bc().addReadOnly(file_->check_nounzip);
109
110         // the lyxview section
111         lyxview_.reset(build_lyxview());
112
113         fl_set_input_return (lyxview_->input_lyxwidth, FL_RETURN_CHANGED);
114         fl_set_input_return (lyxview_->input_lyxheight, FL_RETURN_CHANGED);
115         fl_set_input_return (lyxview_->input_lyxscale, FL_RETURN_CHANGED);
116
117         setPrehandler(lyxview_->input_lyxwidth);
118         setPrehandler(lyxview_->input_lyxheight);
119         setPrehandler(lyxview_->input_lyxscale);
120
121         fl_addto_choice(lyxview_->choice_lyxwidth, choice_Length_WithUnit.c_str());
122         fl_addto_choice(lyxview_->choice_lyxheight, choice_Length_WithUnit.c_str());
123
124         bc().addReadOnly(lyxview_->radio_pref);
125         bc().addReadOnly(lyxview_->radio_mono);
126         bc().addReadOnly(lyxview_->radio_gray);
127         bc().addReadOnly(lyxview_->radio_color);
128         bc().addReadOnly(lyxview_->radio_nodisplay);
129
130         // the size section
131         size_.reset(build_size());
132
133         fl_set_input_return (size_->input_scale, FL_RETURN_CHANGED);
134         fl_set_input_return (size_->input_width, FL_RETURN_CHANGED);
135         fl_set_input_return (size_->input_height, FL_RETURN_CHANGED);
136
137         setPrehandler(size_->input_scale);
138         setPrehandler(size_->input_width);
139         setPrehandler(size_->input_height);
140
141         fl_set_input_maxchars(size_->input_scale, SCALE_MAXDIGITS);
142         fl_set_input_maxchars(size_->input_width, WIDTH_MAXDIGITS);
143         fl_set_input_maxchars(size_->input_height, HEIGHT_MAXDIGITS);
144
145         fl_set_input_filter(size_->input_scale,  fl_unsigned_float_filter);
146
147         fl_addto_choice(size_->choice_width, choice_Length_All.c_str());
148         fl_addto_choice(size_->choice_height, choice_Length_All.c_str());
149
150         bc().addReadOnly(size_->radio_asis);
151         bc().addReadOnly(size_->radio_wh);
152         bc().addReadOnly(size_->radio_scale);
153         bc().addReadOnly(size_->check_aspectratio);
154
155         // the bounding box selection
156         bbox_.reset(build_bbox());
157         fl_set_input_return (bbox_->input_bb_x0, FL_RETURN_CHANGED);
158         fl_set_input_return (bbox_->input_bb_y0, FL_RETURN_CHANGED);
159         fl_set_input_return (bbox_->input_bb_x1, FL_RETURN_CHANGED);
160         fl_set_input_return (bbox_->input_bb_y1, FL_RETURN_CHANGED);
161
162         fl_set_input_filter(bbox_->input_bb_x0,  fl_unsigned_float_filter);
163         fl_set_input_filter(bbox_->input_bb_y0,  fl_unsigned_float_filter);
164         fl_set_input_filter(bbox_->input_bb_x1,  fl_unsigned_float_filter);
165         fl_set_input_filter(bbox_->input_bb_y1,  fl_unsigned_float_filter);
166
167         setPrehandler(bbox_->input_bb_x0);
168         setPrehandler(bbox_->input_bb_y0);
169         setPrehandler(bbox_->input_bb_x1);
170         setPrehandler(bbox_->input_bb_y1);
171
172         string const bb_units = "pt|cm|in";
173         fl_addto_choice(bbox_->choice_bb_units, bb_units.c_str());
174         bc().addReadOnly(bbox_->button_getBB);
175         bc().addReadOnly(bbox_->check_clip);
176
177         // the rotate section
178         special_.reset(build_special());
179
180         fl_set_input_return (special_->input_special, FL_RETURN_CHANGED);
181         setPrehandler(special_->input_special);
182
183         // add the different tabfolders
184         fl_addto_tabfolder(dialog_->tabfolder, _("File"), file_->form);
185         fl_addto_tabfolder(dialog_->tabfolder, _("LyX View"), lyxview_->form);
186         fl_addto_tabfolder(dialog_->tabfolder, _("LaTeX Size"), size_->form);
187         fl_addto_tabfolder(dialog_->tabfolder, _("Bounding Box"), bbox_->form);
188         fl_addto_tabfolder(dialog_->tabfolder, _("Extras"), special_->form);
189         // set the right default unit
190         if (lyxrc.default_papersize < 3)
191                 defaultUnit = "in";
192 }
193
194
195 void FormGraphics::apply()
196 {
197         // Create the parameters structure and fill the data from the dialog.
198         InsetGraphicsParams & igp = controller().params();
199
200         // the file section
201         igp.filename = getStringFromInput(file_->input_filename);
202         igp.subcaption = fl_get_button(file_->check_subcaption);
203         igp.subcaptionText = getStringFromInput(file_->input_subcaption);
204         igp.rotate = fl_get_button(file_->check_rotate);
205         igp.rotateAngle =
206                 strToDbl(getStringFromInput(file_->input_rotate_angle));
207         while (igp.rotateAngle < 0.0 || igp.rotateAngle > 360.0) {
208                 if (igp.rotateAngle < 0.0) {
209                         igp.rotateAngle += 360.0;
210                 } else if (igp.rotateAngle > 360.0) {
211                         igp.rotateAngle -= 360.0;
212                 }
213         }
214         if (fl_get_choice(file_->choice_origin) > 0)
215                 igp.rotateOrigin = fl_get_choice_text(file_->choice_origin);
216         else
217                 igp.rotateOrigin = string();
218         igp.draft = fl_get_button(file_->check_draft);
219         igp.noUnzip = fl_get_button(file_->check_nounzip);
220
221         // the lyxview section
222         if (fl_get_button(lyxview_->radio_pref))
223                 igp.display = InsetGraphicsParams::DEFAULT;
224         else if (fl_get_button(lyxview_->radio_mono))
225                 igp.display = InsetGraphicsParams::MONOCHROME;
226         else if (fl_get_button(lyxview_->radio_gray))
227                 igp.display = InsetGraphicsParams::GRAYSCALE;
228         else if (fl_get_button(lyxview_->radio_color))
229                 igp.display = InsetGraphicsParams::COLOR;
230         else if (fl_get_button(lyxview_->radio_nodisplay))
231                 igp.display = InsetGraphicsParams::NONE;
232
233         if (fl_get_button(lyxview_->radio_lyxasis))
234                 igp.lyxsize_type = InsetGraphicsParams::DEFAULT_SIZE;
235         else if (fl_get_button(lyxview_->radio_lyxwh))
236                 igp.lyxsize_type = InsetGraphicsParams::WH;
237         else
238                 igp.lyxsize_type = InsetGraphicsParams::SCALE;
239
240         igp.lyxwidth = getLyXLengthFromWidgets(lyxview_->input_lyxwidth,
241                                                lyxview_->choice_lyxwidth);
242
243         igp.lyxheight = getLyXLengthFromWidgets(lyxview_->input_lyxheight,
244                                                 lyxview_->choice_lyxheight);
245
246         igp.lyxscale = strToInt(getStringFromInput(lyxview_->input_lyxscale));
247
248         // the size section
249         if (fl_get_button(size_->radio_asis))
250                 igp.size_type = InsetGraphicsParams::DEFAULT_SIZE;
251         else if (fl_get_button(size_->radio_wh))
252                 igp.size_type = InsetGraphicsParams::WH;
253         else
254                 igp.size_type = InsetGraphicsParams::SCALE;
255
256         igp.width = getLyXLengthFromWidgets(size_->input_width,
257                                             size_->choice_width);
258
259         igp.height = getLyXLengthFromWidgets(size_->input_height,
260                                    size_->choice_height);
261
262         igp.scale = strToInt(getStringFromInput(size_->input_scale));
263         igp.keepAspectRatio = fl_get_button(size_->check_aspectratio);
264
265         // the bb section
266         if (!controller().bbChanged)            // different to the original one?
267                 igp.bb = string();                      // don't write anything
268         else {
269                 string bb;
270                 if (getStringFromInput(bbox_->input_bb_x0).empty())
271                         bb = "0 ";
272                 else
273                         bb = getLengthFromWidgets(bbox_->input_bb_x0,
274                                                   bbox_->choice_bb_units)+" ";
275                 if (getStringFromInput(bbox_->input_bb_y0).empty())
276                         bb += "0 ";
277                 else
278                         bb += (getLengthFromWidgets(bbox_->input_bb_y0,
279                                                     bbox_->choice_bb_units)+" ");
280                 if (getStringFromInput(bbox_->input_bb_x1).empty())
281                         bb += "0 ";
282                 else
283                         bb += (getLengthFromWidgets(bbox_->input_bb_x1,
284                                                     bbox_->choice_bb_units)+" ");
285                 if (getStringFromInput(bbox_->input_bb_y1).empty())
286                         bb += "0 ";
287                 else
288                         bb += (getLengthFromWidgets(bbox_->input_bb_y1,
289                                                     bbox_->choice_bb_units)+" ");
290                 igp.bb = bb;
291         }
292         igp.clip = fl_get_button(bbox_->check_clip);
293
294         // the special section
295         igp.special = getStringFromInput(special_->input_special);
296 }
297
298
299 void FormGraphics::update() {
300         // Update dialog with details from inset
301         InsetGraphicsParams & igp = controller().params();
302
303         // the file section
304         fl_set_input(file_->input_filename, igp.filename.c_str());
305         fl_set_button(file_->check_subcaption, igp.subcaption);
306         fl_set_input(file_->input_subcaption, igp.subcaptionText.c_str());
307         setEnabled(file_->input_subcaption,
308                    fl_get_button(file_->check_subcaption));
309         fl_set_button(file_->check_rotate, igp.rotate);
310         fl_set_input(file_->input_rotate_angle,
311                      tostr(igp.rotateAngle).c_str());
312         if (igp.rotateOrigin.empty())
313                 fl_set_choice(file_->choice_origin,1);
314         else
315                 fl_set_choice_text(file_->choice_origin,igp.rotateOrigin.c_str());
316         setEnabled(file_->input_rotate_angle,
317                    fl_get_button(file_->check_rotate));
318         setEnabled(file_->choice_origin,
319                    fl_get_button(file_->check_rotate));
320         fl_set_button(file_->check_draft, igp.draft);
321         fl_set_button(file_->check_nounzip, igp.noUnzip);
322
323         // the lyxview section
324         switch (igp.display) {
325         case InsetGraphicsParams::DEFAULT:
326                 fl_set_button(lyxview_->radio_pref, 1);
327                 break;
328         case InsetGraphicsParams::MONOCHROME:
329                 fl_set_button(lyxview_->radio_mono, 1);
330                 break;
331         case InsetGraphicsParams::GRAYSCALE:
332                 fl_set_button(lyxview_->radio_gray, 1);
333                 break;
334         case InsetGraphicsParams::COLOR:
335                 fl_set_button(lyxview_->radio_color, 1);
336                 break;
337         case InsetGraphicsParams::NONE:
338                 fl_set_button(lyxview_->radio_nodisplay, 1);
339                 break;
340         }
341         updateWidgetsFromLength(lyxview_->input_lyxwidth,
342                                 lyxview_->choice_lyxwidth, igp.lyxwidth, defaultUnit);
343         updateWidgetsFromLength(lyxview_->input_lyxheight,
344                                 lyxview_->choice_lyxheight, igp.lyxheight, defaultUnit);
345         fl_set_input(lyxview_->input_lyxscale, tostr(igp.lyxscale).c_str());
346         switch (igp.lyxsize_type) {
347         case InsetGraphicsParams::DEFAULT_SIZE: {
348                 fl_set_button(lyxview_->radio_lyxasis,1);
349                 setEnabled(lyxview_->input_lyxwidth, 0);
350                 setEnabled(lyxview_->choice_lyxwidth, 0);
351                 setEnabled(lyxview_->input_lyxheight, 0);
352                 setEnabled(lyxview_->choice_lyxheight, 0);
353                 setEnabled(lyxview_->input_lyxscale, 0);
354                 break;
355         }
356         case InsetGraphicsParams::WH: {
357                 fl_set_button(lyxview_->radio_lyxwh, 1);
358                 setEnabled(lyxview_->input_lyxwidth, 1);
359                 setEnabled(lyxview_->choice_lyxwidth, 1);
360                 setEnabled(lyxview_->input_lyxheight, 1);
361                 setEnabled(lyxview_->choice_lyxheight, 1);
362                 setEnabled(lyxview_->input_lyxscale, 0);
363                 break;
364         }
365         case InsetGraphicsParams::SCALE: {
366                 fl_set_button(lyxview_->radio_lyxscale, 1);
367                 setEnabled(lyxview_->input_lyxwidth, 0);
368                 setEnabled(lyxview_->choice_lyxwidth, 0);
369                 setEnabled(lyxview_->input_lyxheight, 0);
370                 setEnabled(lyxview_->choice_lyxheight, 0);
371                 setEnabled(lyxview_->input_lyxscale, 1);
372                 break;
373         }
374         }
375
376         // the size section
377         // Update the draft and clip mode
378         updateWidgetsFromLength(size_->input_width,
379                                 size_->choice_width, igp.width, defaultUnit);
380         updateWidgetsFromLength(size_->input_height,
381                                 size_->choice_height, igp.height, defaultUnit);
382         fl_set_input(size_->input_scale, tostr(igp.scale).c_str());
383         switch (igp.size_type) {
384         case InsetGraphicsParams::DEFAULT_SIZE: {
385                 fl_set_button(size_->radio_asis,1);
386                 setEnabled(size_->input_width, 0);
387                 setEnabled(size_->choice_width, 0);
388                 setEnabled(size_->input_height, 0);
389                 setEnabled(size_->choice_height, 0);
390                 setEnabled(size_->check_aspectratio, 0);
391                 setEnabled(size_->input_scale, 0);
392                 break;
393         }
394         case InsetGraphicsParams::WH: {
395                 fl_set_button(size_->radio_wh, 1);
396                 setEnabled(size_->input_width, 1);
397                 setEnabled(size_->choice_width, 1);
398                 setEnabled(size_->input_height, 1);
399                 setEnabled(size_->choice_height, 1);
400                 setEnabled(size_->check_aspectratio, 1);
401                 setEnabled(size_->input_scale, 0);
402                 break;
403         }
404         case InsetGraphicsParams::SCALE: {
405                 fl_set_button(size_->radio_scale, 1);
406                 setEnabled(size_->input_width, 0);
407                 setEnabled(size_->choice_width, 0);
408                 setEnabled(size_->input_height, 0);
409                 setEnabled(size_->choice_height, 0);
410                 setEnabled(size_->check_aspectratio, 0);
411                 setEnabled(size_->input_scale, 1);
412                 break;
413         }
414         }
415         fl_set_button(size_->check_aspectratio, igp.keepAspectRatio);
416
417         // the bb section
418         // set the bounding box values, if exists. First we need the whole
419         // path, because the controller knows nothing about the doc-dir
420         updateBB(igp.filename, igp.bb);
421         fl_set_button(bbox_->check_clip, igp.clip);
422
423         // the special section
424         fl_set_input(special_->input_special, igp.special.c_str());
425 }
426
427
428 void FormGraphics::updateBB(string const & filename, string const & bb_inset)
429 {
430         // Update dialog with details from inset
431         // set the bounding box values, if exists. First we need the whole
432         // path, because the controller knows nothing about the doc-dir
433         controller().bbChanged = false;
434         if (bb_inset.empty()) {
435                 lyxerr[Debug::GRAPHICS] << "update:: no BoundingBox" << endl;
436                 string const fileWithAbsPath =
437                         MakeAbsPath(filename, OnlyPath(filename));
438                 string const bb = controller().readBB(fileWithAbsPath);
439                 if (!bb.empty()) {
440                         // get the values from the file
441                         // in this case we always have the point-unit
442                         fl_set_input(bbox_->input_bb_x0,
443                                      token(bb,' ',0).c_str());
444                         fl_set_input(bbox_->input_bb_y0,
445                                      token(bb,' ',1).c_str());
446                         fl_set_input(bbox_->input_bb_x1,
447                                      token(bb,' ',2).c_str());
448                         fl_set_input(bbox_->input_bb_y1,
449                                      token(bb,' ',3).c_str());
450
451                 } else {
452                         // no bb from file
453                         fl_set_input(bbox_->input_bb_x0, bb.c_str());
454                         fl_set_input(bbox_->input_bb_y0, bb.c_str());
455                         fl_set_input(bbox_->input_bb_x1, bb.c_str());
456                         fl_set_input(bbox_->input_bb_y1, bb.c_str());
457                 }
458                 // "pt"
459                 fl_set_choice(bbox_->choice_bb_units, 1);
460
461         } else {
462                 // get the values from the inset
463                 lyxerr[Debug::GRAPHICS] << "update:: igp has BoundingBox"
464                                         << endl;
465                 controller().bbChanged = true;
466                 LyXLength anyLength;
467                 anyLength = LyXLength(token(bb_inset,' ',0));
468                 updateWidgetsFromLength(bbox_->input_bb_x0,
469                                         bbox_->choice_bb_units,anyLength,"pt");
470                 anyLength = LyXLength(token(bb_inset,' ',1));
471                 updateWidgetsFromLength(bbox_->input_bb_y0,
472                                         bbox_->choice_bb_units,anyLength,"pt");
473                 anyLength = LyXLength(token(bb_inset,' ',2));
474                 updateWidgetsFromLength(bbox_->input_bb_x1,
475                                         bbox_->choice_bb_units,anyLength,"pt");
476                 anyLength = LyXLength(token(bb_inset,' ',3));
477                 updateWidgetsFromLength(bbox_->input_bb_y1,
478                                         bbox_->choice_bb_units,anyLength,"pt");
479         }
480 }
481
482 namespace {
483
484 bool isValid(FL_OBJECT * ob)
485 {
486         string const input = getStringFromInput(ob);
487         return input.empty() || isValidLength(input) || isStrDbl(input);
488 }
489
490 } // namespace anon
491
492
493
494 ButtonPolicy::SMInput FormGraphics::input(FL_OBJECT * ob, long)
495 {
496         // the file section
497         if (ob == file_->button_browse) {
498                 // Get the filename from the dialog
499                 string const in_name = getStringFromInput(file_->input_filename);
500                 string const out_name = controller().Browse(in_name);
501                 lyxerr[Debug::GRAPHICS] << "[FormGraphics]out_name: " << out_name << endl;
502                 if (out_name != in_name && !out_name.empty()) {
503                         fl_set_input(file_->input_filename, out_name.c_str());
504                 }
505                 if (controller().isFilenameValid(out_name))
506                         updateBB(out_name, string());
507
508         } else if (ob == file_->check_subcaption) {
509                 setEnabled(file_->input_subcaption,
510                            fl_get_button(file_->check_subcaption));
511         } else if (ob == file_->check_rotate) {
512                 setEnabled(file_->input_rotate_angle,
513                            fl_get_button(file_->check_rotate));
514                 setEnabled(file_->choice_origin,
515                            fl_get_button(file_->check_rotate));
516
517                 // the lyxview section
518         } else if (ob == lyxview_->radio_lyxasis) {
519                 setEnabled(lyxview_->input_lyxwidth, 0);
520                 setEnabled(lyxview_->choice_lyxwidth, 0);
521                 setEnabled(lyxview_->input_lyxheight, 0);
522                 setEnabled(lyxview_->choice_lyxheight, 0);
523                 setEnabled(lyxview_->input_lyxscale, 0);
524         } else if (ob == lyxview_->radio_lyxwh) {
525                 setEnabled(lyxview_->input_lyxwidth, 1);
526                 setEnabled(lyxview_->choice_lyxwidth, 1);
527                 setEnabled(lyxview_->input_lyxheight, 1);
528                 setEnabled(lyxview_->choice_lyxheight, 1);
529                 setEnabled(lyxview_->input_lyxscale, 0);
530         } else if (ob == lyxview_->radio_lyxscale) {
531                 setEnabled(lyxview_->input_lyxwidth, 0);
532                 setEnabled(lyxview_->choice_lyxwidth, 0);
533                 setEnabled(lyxview_->input_lyxheight, 0);
534                 setEnabled(lyxview_->choice_lyxheight, 0);
535                 setEnabled(lyxview_->input_lyxscale, 1);
536         } else if (ob == lyxview_->button_latex_values) {
537                 if (contains(fl_get_choice_text(size_->choice_width),'%'))
538                         Alert::alert(_("Warning!"),
539                                      _("The units text%, page%, col% and line% are not allowed here."),
540                                      _("Cannot use the values from LaTeX size!"));
541                 else {
542                         LyXLength dummy =
543                                 getLyXLengthFromWidgets(size_->input_width,
544                                                         size_->choice_width);
545                         updateWidgetsFromLength(lyxview_->input_lyxwidth,
546                                                 lyxview_->choice_lyxwidth,
547                                                 dummy, defaultUnit);
548
549                         dummy = getLyXLengthFromWidgets(size_->input_height,
550                                                         size_->choice_height);
551                         updateWidgetsFromLength(lyxview_->input_lyxheight,
552                                                 lyxview_->choice_lyxheight,
553                                                 dummy, defaultUnit);
554                         string const scale = getStringFromInput(size_->input_scale);
555                         fl_set_input(lyxview_->input_lyxscale, scale.c_str());
556                         if (fl_get_button (size_->radio_asis) == 1) {
557                                 fl_set_button (lyxview_->radio_lyxasis, 1);
558                                 setEnabled(lyxview_->input_lyxwidth, 0);
559                                 setEnabled(lyxview_->choice_lyxwidth, 0);
560                                 setEnabled(lyxview_->input_lyxheight, 0);
561                                 setEnabled(lyxview_->choice_lyxheight, 0);
562                                 setEnabled(lyxview_->input_lyxscale, 0);
563                         } else if (fl_get_button (size_->radio_wh) == 1) {
564                                 fl_set_button (lyxview_->radio_lyxwh, 1);
565                                 setEnabled(lyxview_->input_lyxwidth, 1);
566                                 setEnabled(lyxview_->choice_lyxwidth, 1);
567                                 setEnabled(lyxview_->input_lyxheight, 1);
568                                 setEnabled(lyxview_->choice_lyxheight, 1);
569                                 setEnabled(lyxview_->input_lyxscale, 0);
570                         } else if (fl_get_button (size_->radio_scale) ==1) {
571                                 fl_set_button (lyxview_->radio_lyxscale, 1);
572                                 setEnabled(lyxview_->input_lyxwidth, 0);
573                                 setEnabled(lyxview_->choice_lyxwidth, 0);
574                                 setEnabled(lyxview_->input_lyxheight, 0);
575                                 setEnabled(lyxview_->choice_lyxheight, 0);
576                                 setEnabled(lyxview_->input_lyxscale, 1);
577                         }
578                 }
579
580                 // the bb section
581         } else if (!controller().bbChanged &&
582                    (ob == bbox_->choice_bb_units ||
583                     ob == bbox_->input_bb_x0 || ob == bbox_->input_bb_y0 ||
584                     ob == bbox_->input_bb_x1 || ob == bbox_->input_bb_y1)) {
585                 controller().bbChanged = true;
586         } else if (ob == bbox_->button_getBB) {
587                 string const filename = getStringFromInput(file_->input_filename);
588                 if (!filename.empty()) {
589                         string const fileWithAbsPath = MakeAbsPath(filename, OnlyPath(filename));
590                         string bb = controller().readBB(fileWithAbsPath);
591                         if (!bb.empty()) {
592                                 fl_set_input(bbox_->input_bb_x0, token(bb,' ',0).c_str());
593                                 fl_set_input(bbox_->input_bb_y0, token(bb,' ',1).c_str());
594                                 fl_set_input(bbox_->input_bb_x1, token(bb,' ',2).c_str());
595                                 fl_set_input(bbox_->input_bb_y1, token(bb,' ',3).c_str());
596                                 string const unit("pt");
597                                 fl_set_choice_text(bbox_->choice_bb_units, unit.c_str());
598                         }
599                         controller().bbChanged = false;
600                 } else {
601                         fl_set_input(bbox_->input_bb_x0, "");
602                         fl_set_input(bbox_->input_bb_y0, "");
603                         fl_set_input(bbox_->input_bb_x1, "");
604                         fl_set_input(bbox_->input_bb_y1, "");
605                         fl_set_choice_text(bbox_->choice_bb_units, "pt");
606                 }
607
608                 // the size section
609         } else if (ob == size_->radio_asis) {
610                 setEnabled(size_->input_width, 0);
611                 setEnabled(size_->choice_width, 0);
612                 setEnabled(size_->input_height, 0);
613                 setEnabled(size_->choice_height, 0);
614                 setEnabled(size_->check_aspectratio, 0);
615                 setEnabled(size_->input_scale, 0);
616         } else if (ob == size_->radio_wh) {
617                 setEnabled(size_->input_width, 1);
618                 setEnabled(size_->choice_width, 1);
619                 setEnabled(size_->input_height, 1);
620                 setEnabled(size_->choice_height, 1);
621                 setEnabled(size_->check_aspectratio, 1);
622                 setEnabled(size_->input_scale, 0);
623         } else if (ob == size_->radio_scale) {
624                 setEnabled(size_->input_width, 0);
625                 setEnabled(size_->choice_width, 0);
626                 setEnabled(size_->input_height, 0);
627                 setEnabled(size_->choice_height, 0);
628                 setEnabled(size_->check_aspectratio, 0);
629                 setEnabled(size_->input_scale, 1);
630         } else if (ob == size_->button_lyx_values) {
631                 LyXLength dummy = getLyXLengthFromWidgets(lyxview_->input_lyxwidth,
632                                                           lyxview_->choice_lyxwidth);
633                 updateWidgetsFromLength(size_->input_width,
634                                         size_->choice_width,
635                                         dummy, defaultUnit);
636                 dummy = getLyXLengthFromWidgets(lyxview_->input_lyxheight,
637                                                 lyxview_->choice_lyxheight);
638                 updateWidgetsFromLength(size_->input_height,
639                                         size_->choice_height,
640                                         dummy, defaultUnit);
641                 string const scale = getStringFromInput(lyxview_->input_lyxscale);
642                 fl_set_input(size_->input_scale, scale.c_str());
643                 if (fl_get_button (lyxview_->radio_lyxasis) == 1) {
644                         fl_set_button (size_->radio_asis, 1);
645                         setEnabled(size_->input_width, 0);
646                         setEnabled(size_->choice_width, 0);
647                         setEnabled(size_->input_height, 0);
648                         setEnabled(size_->choice_height, 0);
649                         setEnabled(size_->check_aspectratio, 0);
650                         setEnabled(size_->input_scale, 0);
651                 } else if (fl_get_button (lyxview_->radio_lyxwh) == 1) {
652                         fl_set_button (size_->radio_wh, 1);
653                         setEnabled(size_->input_width, 1);
654                         setEnabled(size_->choice_width, 1);
655                         setEnabled(size_->input_height, 1);
656                         setEnabled(size_->choice_height, 1);
657                         setEnabled(size_->check_aspectratio, 1);
658                         setEnabled(size_->input_scale, 0);
659                 } else if (fl_get_button (lyxview_->radio_lyxscale) ==1) {
660                         fl_set_button (size_->radio_scale, 1);
661                         setEnabled(size_->input_width, 0);
662                         setEnabled(size_->choice_width, 0);
663                         setEnabled(size_->input_height, 0);
664                         setEnabled(size_->choice_height, 0);
665                         setEnabled(size_->check_aspectratio, 0);
666                         setEnabled(size_->input_scale, 1);
667                 }
668         }
669
670         // check if the input is valid
671         bool invalid = !isValid(bbox_->input_bb_x0);
672         invalid = invalid || !isValid(bbox_->input_bb_x1);
673         invalid = invalid || !isValid(bbox_->input_bb_y0);
674         invalid = invalid || !isValid(bbox_->input_bb_y1);
675         invalid = invalid || !isValid(size_->input_width);
676         invalid = invalid || !isValid(size_->input_height);
677         invalid = invalid || !isValid(lyxview_->input_lyxwidth);
678         invalid = invalid || !isValid(lyxview_->input_lyxheight);
679
680         // deactivate OK/ Apply buttons and
681         // spit out warnings if invalid
682         if (ob == bbox_->input_bb_x0 || ob == bbox_->input_bb_x1 ||
683             ob == bbox_->input_bb_y0 || ob == bbox_->input_bb_y1 ||
684             ob == size_->input_width || ob == size_->input_height ||
685             ob == lyxview_->input_lyxwidth || ob == lyxview_->input_lyxheight) {
686                 if (invalid) {
687                         postWarning(_("Invalid Length!"));
688                         return ButtonPolicy::SMI_INVALID;
689                 } else {
690                         clearMessage();
691                 }
692         }
693
694         return ButtonPolicy::SMI_VALID;
695 }