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Complete the removal of the embedding stuff. Maybe. It's hard to be sure we got every...
[lyx.git] / src / frontends / qt4 / GuiGraphics.cpp
1 /**
2  * \file GuiGraphics.cpp
3  * This file is part of LyX, the document processor.
4  * Licence details can be found in the file COPYING.
5  *
6  * \author Angus Leeming
7  * \author John Levon
8  * \author Edwin Leuven
9  * \author Herbert Voß
10  * \author Richard Heck
11  *
12  * Full author contact details are available in file CREDITS.
13  */
14
15 #include <config.h>
16
17 #include "GuiGraphics.h"
18
19 #include "LengthCombo.h"
20 #include "Length.h"
21 #include "LyXRC.h"
22 #include "qt_helpers.h"
23 #include "Validator.h"
24
25 #include "FuncRequest.h"
26
27 #include "graphics/GraphicsCache.h"
28 #include "graphics/GraphicsCacheItem.h"
29 #include "graphics/GraphicsImage.h"
30
31 #include "insets/InsetGraphicsParams.h"
32
33 #include "support/convert.h"
34 #include "support/debug.h"
35 #include "support/FileFilterList.h"
36 #include "support/filetools.h"
37 #include "support/gettext.h"
38 #include "support/lstrings.h"
39 #include "support/os.h"
40 #include "support/Package.h"
41 #include "support/types.h"
42
43 #include <QCheckBox>
44 #include <QLabel>
45 #include <QLineEdit>
46 #include <QPushButton>
47 #include <QValidator>
48
49 #include <cmath>
50 #include <utility>
51
52 using namespace std;
53 using namespace lyx::support;
54
55 namespace {
56
57 // These are the strings that are stored in the LyX file and which
58 // correspond to the LaTeX identifiers shown in the comments at the
59 // end of each line.
60 char const * const rorigin_lyx_strs[] = {
61         // the LaTeX default is leftBaseline
62         "",
63         "leftTop",  "leftBottom", "leftBaseline", // lt lb lB
64         "center", "centerTop", "centerBottom", "centerBaseline", // c ct cb cB
65         "rightTop", "rightBottom", "rightBaseline" }; // rt rb rB
66
67 // These are the strings, corresponding to the above, that the GUI should
68 // use. Note that they can/should be translated.
69 char const * const rorigin_gui_strs[] = {
70         N_("Default"),
71         N_("Top left"), N_("Bottom left"), N_("Baseline left"),
72         N_("Center"), N_("Top center"), N_("Bottom center"), N_("Baseline center"),
73         N_("Top right"), N_("Bottom right"), N_("Baseline right") };
74
75 size_t const rorigin_size = sizeof(rorigin_lyx_strs) / sizeof(char *);
76
77 } // namespace anon
78
79
80 namespace lyx {
81 namespace frontend {
82
83 //FIXME setAutoTextCB should really take an argument, as indicated, that
84 //determines what text is to be written for "auto". But making
85 //that work involves more extensive revisions than we now want
86 //to make, since "auto" also appears in updateContents() (see
87 //GuiGraphics.cpp).
88 //The right way to do this, I think, would be to define a class
89 //checkedLengthSet (and a partnering labeledLengthSete) that encapsulated
90 //the checkbox, line edit, and length combo together, and then made e.g.
91 //lengthToWidgets, widgetsToLength, etc, all public methods of that class.
92 //Perhaps even the validator could be exposed through it.
93 /**
94  * sets a checkbox-line edit-length combo group, using "text" if the
95  * checkbox is unchecked and clearing the line edit if it previously
96  * said "text".
97 */
98 static void setAutoTextCB(QCheckBox * checkBox, QLineEdit * lineEdit,
99         LengthCombo * lengthCombo/*, string text = "auto"*/)
100 {
101         if (!checkBox->isChecked())
102                 lengthToWidgets(lineEdit, lengthCombo,
103                                 "auto", lengthCombo->currentLengthItem());
104         else if (lineEdit->text() == "auto")
105                 lengthToWidgets(lineEdit, lengthCombo, string(),
106                                 lengthCombo->currentLengthItem());
107 }
108
109
110 template<class Pair>
111 vector<typename Pair::first_type> getFirst(vector<Pair> const & pr)
112 {
113         size_t const n = pr.size();
114         vector<typename Pair::first_type> tmp(n);
115         for (size_t i = 0; i != n; ++i)
116                 tmp[i] = pr[i].first;
117         return tmp;
118 }
119
120
121 ///
122 template<class Pair>
123 vector<typename Pair::second_type> getSecond(vector<Pair> const & pr)
124 {
125         size_t const n = pr.size();
126         vector<typename Pair::second_type> tmp(n);
127         for (size_t i = 0; i != n; ++i)
128                 tmp[i] = pr[i].second;
129         return tmp;
130 }
131
132
133 /// The (tranlated) GUI string and it's LaTeX equivalent.
134 typedef pair<docstring, string> RotationOriginPair;
135 ///
136 vector<RotationOriginPair> getRotationOriginData()
137 {
138         static vector<RotationOriginPair> data;
139         if (!data.empty())
140                 return data;
141
142         data.resize(rorigin_size);
143         for (size_type i = 0; i < rorigin_size; ++i) {
144                 data[i] = make_pair(_(rorigin_gui_strs[i]),
145                                     rorigin_lyx_strs[i]);
146         }
147
148         return data;
149 }
150
151
152
153 GuiGraphics::GuiGraphics(GuiView & lv)
154         : GuiDialog(lv, "graphics", qt_("Graphics"))
155 {
156         setupUi(this);
157         
158         //main buttons
159         connect(okPB, SIGNAL(clicked()), this, SLOT(slotOK()));
160         connect(applyPB, SIGNAL(clicked()), this, SLOT(slotApply()));
161         connect(closePB, SIGNAL(clicked()), this, SLOT(slotClose()));
162         connect(restorePB, SIGNAL(clicked()), this, SLOT(slotRestore()));
163
164         //graphics pane
165         connect(filename, SIGNAL(textChanged(const QString &)),
166                 this, SLOT(change_adaptor()));
167         connect(WidthCB, SIGNAL( clicked()),
168                 this, SLOT(change_adaptor()));
169         connect(HeightCB, SIGNAL( clicked()),
170                 this, SLOT(change_adaptor()));
171         connect(Width, SIGNAL(textChanged(const QString &)),
172                 this, SLOT(change_adaptor()));
173         connect(Height, SIGNAL(textChanged(const QString &)),
174                 this, SLOT(change_adaptor()));
175         connect(heightUnit, SIGNAL(selectionChanged(lyx::Length::UNIT)),
176                 this, SLOT(change_adaptor()));
177         connect(widthUnit, SIGNAL(selectionChanged(lyx::Length::UNIT)),
178                 this, SLOT(change_adaptor()));
179         connect(aspectratio, SIGNAL(stateChanged(int)),
180                 this, SLOT(change_adaptor()));
181         connect(angle, SIGNAL(textChanged(const QString &)),
182                 this, SLOT(change_adaptor()));
183         connect(origin, SIGNAL(activated(int)),
184                 this, SLOT(change_adaptor()));
185         connect(scaleCB, SIGNAL(clicked()),
186                 this, SLOT(change_adaptor()));
187         connect(Scale, SIGNAL(textChanged(const QString &)),
188                 this, SLOT(change_adaptor()));
189         connect(rotateOrderCB, SIGNAL(clicked()),
190                 this, SLOT(change_adaptor()));
191
192         filename->setValidator(new PathValidator(true, filename));
193         setFocusProxy(filename);
194
195         QDoubleValidator * scaleValidator = new DoubleAutoValidator(Scale);
196         scaleValidator->setBottom(0);
197         scaleValidator->setDecimals(256); //I guess that will do
198         Scale->setValidator(scaleValidator);
199         Height->setValidator(unsignedLengthAutoValidator(Height));
200         Width->setValidator(unsignedLengthAutoValidator(Width));
201         angle->setValidator(new QDoubleValidator(-360, 360, 2, angle));
202
203         //clipping pane
204         connect(clip, SIGNAL(stateChanged(int)),
205                 this, SLOT(change_adaptor()));
206         connect(lbY, SIGNAL(textChanged(const QString&)),
207                 this, SLOT(change_bb()));
208         connect(lbYunit, SIGNAL(activated(int)),
209                 this, SLOT(change_bb()));
210         connect(rtY, SIGNAL(textChanged(const QString&)),
211                 this, SLOT(change_bb()));
212         connect(rtYunit, SIGNAL(activated(int)),
213                 this, SLOT(change_bb()));
214         connect(lbX, SIGNAL(textChanged(const QString&)),
215                 this, SLOT(change_bb()));
216         connect(lbXunit, SIGNAL(activated(int)),
217                 this, SLOT(change_bb()));
218         connect(rtX, SIGNAL(textChanged(const QString&)),
219                 this, SLOT(change_bb()));
220         connect(rtXunit, SIGNAL(activated(int)),
221                 this, SLOT(change_bb()));
222         connect(getPB, SIGNAL(clicked()),
223                 this, SLOT(change_adaptor()));
224
225         lbX->setValidator(new QDoubleValidator(lbX));
226         lbY->setValidator(new QDoubleValidator(lbY));
227         rtX->setValidator(new QDoubleValidator(rtX));
228         rtY->setValidator(new QDoubleValidator(rtY));
229
230         //extra options pane
231         connect(latexoptions, SIGNAL(textChanged(const QString&)),
232                 this, SLOT(change_adaptor()));
233         connect(draftCB, SIGNAL(stateChanged(int)),
234                 this, SLOT(change_adaptor()));
235         connect(unzipCB, SIGNAL(stateChanged(int)),
236                 this, SLOT(change_adaptor()));
237         // FIXME: we should connect to clicked() when we move to Qt 4.2 because
238         // the toggled(bool) signal is also trigged when we update the widgets
239         // (rgh-4/07) this isn't as much or a problem as it was, because we're now
240         // using blockSignals() to keep from triggering that signal when we call
241         // setChecked(). Note, too, that clicked() would get called whenever it
242         // is clicked, even right clicked (I think), not just whenever it is
243         // toggled.
244         connect(displayGB, SIGNAL(toggled(bool)),
245                 this, SLOT(change_adaptor()));
246         connect(showCB, SIGNAL(currentIndexChanged(int)),
247                 this, SLOT(change_adaptor()));
248         connect(displayscale, SIGNAL(textChanged(const QString&)),
249                 this, SLOT(change_adaptor()));
250         displayscale->setValidator(new QIntValidator(displayscale));
251
252         bc().setPolicy(ButtonPolicy::NoRepeatedApplyReadOnlyPolicy);
253         bc().setOK(okPB);
254         bc().setApply(applyPB);
255         bc().setRestore(restorePB);
256         bc().setCancel(closePB);
257
258         bc().addReadOnly(latexoptions);
259         bc().addReadOnly(filenameL);
260         bc().addReadOnly(filename);
261         bc().addReadOnly(browsePB);
262         bc().addReadOnly(unzipCB);
263         bc().addReadOnly(bbFrame);
264         bc().addReadOnly(draftCB);
265         bc().addReadOnly(clip);
266         bc().addReadOnly(unzipCB);
267         bc().addReadOnly(displayGB);
268         bc().addReadOnly(sizeGB);
269         bc().addReadOnly(rotationGB);
270         bc().addReadOnly(latexoptions);
271         bc().addReadOnly(getPB);
272         bc().addReadOnly(rotateOrderCB);
273
274         // initialize the length validator
275         bc().addCheckedLineEdit(Scale, scaleCB);
276         bc().addCheckedLineEdit(Width, WidthCB);
277         bc().addCheckedLineEdit(Height, HeightCB);
278         bc().addCheckedLineEdit(displayscale, scaleLA);
279         bc().addCheckedLineEdit(angle, angleL);
280         bc().addCheckedLineEdit(lbX, xL);
281         bc().addCheckedLineEdit(lbY, yL);
282         bc().addCheckedLineEdit(rtX, xL_2);
283         bc().addCheckedLineEdit(rtY, yL_2);
284         bc().addCheckedLineEdit(filename, filenameL);
285 }
286
287
288 void GuiGraphics::change_adaptor()
289 {
290         changed();
291 }
292
293
294 void GuiGraphics::change_bb()
295 {
296         bbChanged = true;
297         LYXERR(Debug::GRAPHICS, "[bb_Changed set to true]");
298         changed();
299 }
300
301
302 void GuiGraphics::on_browsePB_clicked()
303 {
304         QString const str = browse(filename->text());
305         if (!str.isEmpty()) {
306                 filename->setText(str);
307                 changed();
308         }
309 }
310
311
312 void GuiGraphics::on_getPB_clicked()
313 {
314         getBB();
315 }
316
317
318 void GuiGraphics::setAutoText()
319 {
320         if (scaleCB->isChecked())
321                 return;
322         if (!Scale->isEnabled() && Scale->text() != "100")
323                 Scale->setText(QString("auto"));
324
325         setAutoTextCB(WidthCB, Width, widthUnit);
326         setAutoTextCB(HeightCB, Height, heightUnit);
327 }
328
329
330 void GuiGraphics::on_scaleCB_toggled(bool setScale)
331 {
332         Scale->setEnabled(setScale);
333         if (setScale) {
334                 Scale->setText("100");
335                 Scale->setFocus(Qt::OtherFocusReason);
336         }
337
338         WidthCB->setDisabled(setScale);
339         WidthCB->blockSignals(true);
340         WidthCB->setChecked(false);
341         WidthCB->blockSignals(false);
342         Width->setEnabled(false);
343         widthUnit->setEnabled(false);
344
345         HeightCB->setDisabled(setScale);
346         HeightCB->blockSignals(true);
347         HeightCB->setChecked(false);
348         HeightCB->blockSignals(false);
349         Height->setEnabled(false);
350         heightUnit->setEnabled(false);
351
352         aspectratio->setDisabled(true);
353         aspectratio->setChecked(true);
354
355         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
356                                  HeightCB->isChecked() ||
357                                  scaleCB->isChecked()) &&
358                                  (angle->text() != "0"));
359
360         setAutoText();
361 }
362
363
364 void GuiGraphics::on_WidthCB_toggled(bool setWidth)
365 {
366         Width->setEnabled(setWidth);
367         widthUnit->setEnabled(setWidth);
368         if (setWidth)
369                 Width->setFocus(Qt::OtherFocusReason);
370
371         bool const setHeight = HeightCB->isChecked();
372         aspectratio->setEnabled(setWidth && setHeight);
373         aspectratio->blockSignals(true);
374         aspectratio->setChecked(!(setWidth && setHeight));
375         aspectratio->blockSignals(false);
376
377         scaleCB->setEnabled(!setWidth && !setHeight);
378         //already will be unchecked, so don't need to do that
379         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
380                         && scaleCB->isChecked()); //should be false, but let's check
381         rotateOrderCB->setEnabled((setWidth || setHeight ||
382                                  scaleCB->isChecked()) &&
383                                  (angle->text() != "0"));
384
385         setAutoText();
386 }
387
388
389 void GuiGraphics::on_HeightCB_toggled(bool setHeight)
390 {
391         Height->setEnabled(setHeight);
392         heightUnit->setEnabled(setHeight);
393         if (setHeight)
394                 Height->setFocus(Qt::OtherFocusReason);
395
396         bool const setWidth = WidthCB->isChecked();
397         aspectratio->setEnabled(setWidth && setHeight);
398         aspectratio->blockSignals(true);
399         aspectratio->setChecked(!(setWidth && setHeight));
400         aspectratio->blockSignals(false);
401
402         scaleCB->setEnabled(!setWidth && !setHeight);
403         //already unchecked
404         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
405                 && scaleCB->isChecked()); //should be false
406         rotateOrderCB->setEnabled((setWidth || setHeight ||
407                                  scaleCB->isChecked()) &&
408                                  (angle->text() != "0"));
409
410         setAutoText();
411 }
412
413
414 void GuiGraphics::on_angle_textChanged(const QString & filename)
415 {
416         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
417                                  HeightCB->isChecked() ||
418                                  scaleCB->isChecked()) &&
419                                  (filename != "0"));
420 }
421
422 // returns the number of the string s in the vector v
423 static int itemNumber(const vector<string> & v, string const & s)
424 {
425         vector<string>::const_iterator cit =
426                     find(v.begin(), v.end(), s);
427         return (cit != v.end()) ? int(cit - v.begin()) : 0;
428 }
429
430
431 void GuiGraphics::updateContents()
432 {
433         static char const * const bb_units[] = { "bp", "cm", "mm", "in" };
434         size_t const bb_size = sizeof(bb_units) / sizeof(bb_units[0]);
435
436         vector<string> const units = vector<string>(bb_units, bb_units + bb_size);
437         lbXunit->clear();
438         lbYunit->clear();
439         rtXunit->clear();
440         rtYunit->clear();
441         for (vector<string>::const_iterator it = units.begin();
442             it != units.end(); ++it) {
443                 lbXunit->addItem(toqstr(*it));
444                 lbYunit->addItem(toqstr(*it));
445                 rtXunit->addItem(toqstr(*it));
446                 rtYunit->addItem(toqstr(*it));
447         }
448
449         InsetGraphicsParams & igp = params_;
450
451         // set the right default unit
452         Length::UNIT unitDefault = Length::CM;
453         switch (lyxrc.default_papersize) {
454                 case PAPER_USLETTER:
455                 case PAPER_USLEGAL:
456                 case PAPER_USEXECUTIVE:
457                         unitDefault = Length::IN;
458                         break;
459                 default:
460                         break;
461         }
462
463         string const name =
464                 igp.filename.outputFilename(fromqstr(bufferFilepath()));
465         filename->setText(toqstr(name));
466
467         // set the bounding box values
468         if (igp.bb.empty()) {
469                 string const bb = readBoundingBox(igp.filename.absFilename());
470                 // the values from the file always have the bigpoint-unit bp
471                 lbX->setText(toqstr(token(bb, ' ', 0)));
472                 lbY->setText(toqstr(token(bb, ' ', 1)));
473                 rtX->setText(toqstr(token(bb, ' ', 2)));
474                 rtY->setText(toqstr(token(bb, ' ', 3)));
475                 lbXunit->setCurrentIndex(0);
476                 lbYunit->setCurrentIndex(0);
477                 rtXunit->setCurrentIndex(0);
478                 rtYunit->setCurrentIndex(0);
479                 bbChanged = false;
480         } else {
481                 // get the values from the inset
482                 Length anyLength;
483                 string const xl = token(igp.bb, ' ', 0);
484                 string const yl = token(igp.bb, ' ', 1);
485                 string const xr = token(igp.bb, ' ', 2);
486                 string const yr = token(igp.bb, ' ', 3);
487                 if (isValidLength(xl, &anyLength)) {
488                         lbX->setText(toqstr(convert<string>(anyLength.value())));
489                         string const unit = unit_name[anyLength.unit()];
490                         lbXunit->setCurrentIndex(itemNumber(units, unit));
491                 } else {
492                         lbX->setText(toqstr(xl));
493                 }
494                 if (isValidLength(yl, &anyLength)) {
495                         lbY->setText(toqstr(convert<string>(anyLength.value())));
496                         string const unit = unit_name[anyLength.unit()];
497                         lbYunit->setCurrentIndex(itemNumber(units, unit));
498                 } else {
499                         lbY->setText(toqstr(xl));
500                 }
501                 if (isValidLength(xr, &anyLength)) {
502                         rtX->setText(toqstr(convert<string>(anyLength.value())));
503                         string const unit = unit_name[anyLength.unit()];
504                         rtXunit->setCurrentIndex(itemNumber(units, unit));
505                 } else {
506                         rtX->setText(toqstr(xl));
507                 }
508                 if (isValidLength(yr, &anyLength)) {
509                         rtY->setText(toqstr(convert<string>(anyLength.value())));
510                         string const unit = unit_name[anyLength.unit()];
511                         rtYunit->setCurrentIndex(itemNumber(units, unit));
512                 } else {
513                         rtY->setText(toqstr(xl));
514                 }
515                 bbChanged = true;
516         }
517
518         // Update the draft and clip mode
519         draftCB->setChecked(igp.draft);
520         clip->setChecked(igp.clip);
521         unzipCB->setChecked(igp.noUnzip);
522
523         int item = 0;
524         switch (igp.display) {
525                 case graphics::DefaultDisplay: item = 0; break;
526                 case graphics::MonochromeDisplay: item = 1; break;
527                 case graphics::GrayscaleDisplay: item = 2; break;
528                 case graphics::ColorDisplay: item = 3; break;
529                 case graphics::NoDisplay: item = 0; break;
530         }
531         showCB->setCurrentIndex(item);
532         displayscale->setText(toqstr(convert<string>(igp.lyxscale)));
533         displayGB->setChecked(igp.display != graphics::NoDisplay);
534
535         // the output section (width/height)
536
537         Scale->setText(toqstr(igp.scale));
538         //igp.scale defaults to 100, so we treat it as empty
539         bool const scaleChecked = !igp.scale.empty() && igp.scale != "100";
540         scaleCB->blockSignals(true);
541         scaleCB->setChecked(scaleChecked);
542         scaleCB->blockSignals(false);
543         Scale->setEnabled(scaleChecked);
544
545         lengthAutoToWidgets(Width, widthUnit, igp.width,
546                 unitDefault);
547         bool const widthChecked = !Width->text().isEmpty() &&
548                 Width->text() != "auto";
549         WidthCB->blockSignals(true);
550         WidthCB->setChecked(widthChecked);
551         WidthCB->blockSignals(false);
552         Width->setEnabled(widthChecked);
553         widthUnit->setEnabled(widthChecked);
554
555         lengthAutoToWidgets(Height, heightUnit, igp.height,
556                 unitDefault);
557         bool const heightChecked = !Height->text().isEmpty()
558                 && Height->text() != "auto";
559         HeightCB->blockSignals(true);
560         HeightCB->setChecked(heightChecked);
561         HeightCB->blockSignals(false);
562         Height->setEnabled(heightChecked);
563         heightUnit->setEnabled(heightChecked);
564
565         scaleCB->setEnabled(!widthChecked && !heightChecked);
566         WidthCB->setEnabled(!scaleChecked);
567         HeightCB->setEnabled(!scaleChecked);
568         aspectratio->setEnabled(widthChecked && heightChecked);
569
570         setAutoText();
571
572         angle->setText(toqstr(igp.rotateAngle));
573         rotateOrderCB->setChecked(igp.scaleBeforeRotation);
574
575         rotateOrderCB->setEnabled( (widthChecked || heightChecked || scaleChecked)
576                 && igp.rotateAngle != "0");
577
578         origin->clear();
579
580         vector<RotationOriginPair> origindata = getRotationOriginData();
581         vector<docstring> const origin_lang = getFirst(origindata);
582         origin_ltx = getSecond(origindata);
583
584         for (vector<docstring>::const_iterator it = origin_lang.begin();
585             it != origin_lang.end(); ++it)
586                 origin->addItem(toqstr(*it));
587
588         if (!igp.rotateOrigin.empty())
589                 origin->setCurrentIndex(itemNumber(origin_ltx, igp.rotateOrigin));
590         else
591                 origin->setCurrentIndex(0);
592
593         // latex section
594         latexoptions->setText(toqstr(igp.special));
595 }
596
597
598 void GuiGraphics::applyView()
599 {
600         InsetGraphicsParams & igp = params_;
601
602         igp.filename.set(fromqstr(filename->text()), fromqstr(bufferFilepath()));
603
604         // the bb section
605         igp.bb.erase();
606         if (bbChanged) {
607                 string bb;
608                 string lbXs = fromqstr(lbX->text());
609                 string lbYs = fromqstr(lbY->text());
610                 string rtXs = fromqstr(rtX->text());
611                 string rtYs = fromqstr(rtY->text());
612                 int bb_sum =
613                         convert<int>(lbXs) + convert<int>(lbYs) +
614                         convert<int>(rtXs) + convert<int>(rtXs);
615                 if (bb_sum) {
616                         if (lbXs.empty())
617                                 bb = "0 ";
618                         else
619                                 bb = lbXs + fromqstr(lbXunit->currentText()) + ' ';
620                         if (lbYs.empty())
621                                 bb += "0 ";
622                         else
623                                 bb += (lbYs + fromqstr(lbYunit->currentText()) + ' ');
624                         if (rtXs.empty())
625                                 bb += "0 ";
626                         else
627                                 bb += (rtXs + fromqstr(rtXunit->currentText()) + ' ');
628                         if (rtYs.empty())
629                                 bb += '0';
630                         else
631                                 bb += (rtYs + fromqstr(rtYunit->currentText()));
632                         igp.bb = bb;
633                 }
634         }
635
636         igp.draft = draftCB->isChecked();
637         igp.clip = clip->isChecked();
638
639         switch (showCB->currentIndex()) {
640                 case 0: igp.display = graphics::DefaultDisplay; break;
641                 case 1: igp.display = graphics::MonochromeDisplay; break;
642                 case 2: igp.display = graphics::GrayscaleDisplay; break;
643                 case 3: igp.display = graphics::ColorDisplay; break;
644                 default:;
645         }
646
647         if (!displayGB->isChecked())
648                 igp.display = graphics::NoDisplay;
649
650         //the graphics section
651         if (scaleCB->isChecked() && !Scale->text().isEmpty()) {
652                 igp.scale = fromqstr(Scale->text());
653                 igp.width = Length("0pt");
654                 igp.height = Length("0pt");
655                 igp.keepAspectRatio = false;
656         } else {
657                 igp.scale = string();
658                 igp.width = WidthCB->isChecked() ?
659                         //Note that this works even if Width is "auto", since in
660                         //that case we get "0pt".
661                         Length(widgetsToLength(Width, widthUnit)):
662                         Length("0pt");
663                 igp.height = HeightCB->isChecked() ?
664                         Length(widgetsToLength(Height, heightUnit)) :
665                         Length("0pt");
666                 igp.keepAspectRatio = aspectratio->isEnabled() &&
667                         aspectratio->isChecked() &&
668                         igp.width.value() > 0 && igp.height.value() > 0;
669         }
670
671         igp.noUnzip = unzipCB->isChecked();
672         igp.lyxscale = displayscale->text().toInt();
673         igp.rotateAngle = fromqstr(angle->text());
674
675         double rotAngle = convert<double>(igp.rotateAngle);
676         if (abs(rotAngle) > 360.0) {
677                 rotAngle -= 360.0 * floor(rotAngle / 360.0);
678                 igp.rotateAngle = convert<string>(rotAngle);
679         }
680
681         // save the latex name for the origin. If it is the default
682         // then origin_ltx returns ""
683         igp.rotateOrigin = origin_ltx[origin->currentIndex()];
684         igp.scaleBeforeRotation = rotateOrderCB->isChecked();
685
686         // more latex options
687         igp.special = fromqstr(latexoptions->text());
688 }
689
690
691 void GuiGraphics::getBB()
692 {
693         string const fn = fromqstr(filename->text());
694         if (fn.empty())
695                 return;
696         string const bb = readBoundingBox(fn);
697         bbChanged = false;
698         if (bb.empty())
699                 return;
700         lbX->setText(toqstr(token(bb, ' ', 0)));
701         lbY->setText(toqstr(token(bb, ' ', 1)));
702         rtX->setText(toqstr(token(bb, ' ', 2)));
703         rtY->setText(toqstr(token(bb, ' ', 3)));
704         // the default units for the bb values when reading
705         // it from the file
706         lbXunit->setCurrentIndex(0);
707         lbYunit->setCurrentIndex(0);
708         rtXunit->setCurrentIndex(0);
709         rtYunit->setCurrentIndex(0);
710 }
711
712
713 bool GuiGraphics::isValid()
714 {
715         return !filename->text().isEmpty();
716 }
717
718
719 bool GuiGraphics::initialiseParams(string const & data)
720 {
721         InsetGraphics::string2params(data, buffer(), params_);
722         return true;
723 }
724
725
726 void GuiGraphics::clearParams()
727 {
728         params_ = InsetGraphicsParams();
729 }
730
731
732 void GuiGraphics::dispatchParams()
733 {
734         InsetGraphicsParams tmp_params(params_);
735         string const lfun = InsetGraphics::params2string(tmp_params, buffer());
736         dispatch(FuncRequest(getLfun(), lfun));
737 }
738
739
740 QString GuiGraphics::browse(QString const & in_name) const
741 {
742         QString const title = qt_("Select graphics file");
743
744         // Does user clipart directory exist?
745         string clipdir = addName(package().user_support().absFilename(), "clipart");
746         FileName clip(clipdir);
747
748         // bail out to system clipart directory
749         if (!clip.isDirectory())
750                 clipdir = addName(package().system_support().absFilename(), "clipart");
751
752         return browseRelFile(in_name, bufferFilepath(),
753                 title, FileFilterList(), false, 
754                 qt_("Clipart|#C#c"), toqstr(clipdir),
755                 qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
756 }
757
758
759 string GuiGraphics::readBoundingBox(string const & file)
760 {
761         FileName const abs_file = makeAbsPath(file, fromqstr(bufferFilepath()));
762
763         // try to get it from the file, if possible. Zipped files are
764         // unzipped in the readBB_from_PSFile-Function
765         string const bb = readBB_from_PSFile(abs_file);
766         if (!bb.empty())
767                 return bb;
768
769         // we don't, so ask the Graphics Cache if it has loaded the file
770         int width = 0;
771         int height = 0;
772
773         graphics::Cache & gc = graphics::Cache::get();
774         if (gc.inCache(abs_file)) {
775                 graphics::Image const * image = gc.item(abs_file)->image();
776
777                 if (image) {
778                         width  = image->width();
779                         height = image->height();
780                 }
781         }
782
783         return ("0 0 " + convert<string>(width) + ' ' + convert<string>(height));
784 }
785
786
787 bool GuiGraphics::isFileNameValid(string const & fname) const
788 {
789         // It may be that the filename is relative.
790         return makeAbsPath(fname, fromqstr(bufferFilepath())).isReadableFile();
791 }
792
793
794 Dialog * createGuiGraphics(GuiView & lv) { return new GuiGraphics(lv); }
795
796
797 } // namespace frontend
798 } // namespace lyx
799
800 #include "GuiGraphics_moc.cpp"