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1 /**
2  * \file GuiCharacter.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 Edwin Leuven
8  * \author John Levon
9  *
10  * Full author contact details are available in file CREDITS.
11  */
12
13 #include <config.h>
14
15 #include "GuiCharacter.h"
16
17 #include "GuiApplication.h"
18 #include "qt_helpers.h"
19
20 #include "Font.h"
21 #include "Buffer.h"
22 #include "BufferParams.h"
23 #include "BufferView.h"
24 #include "Color.h"
25 #include "ColorCache.h"
26 #include "ColorSet.h"
27 #include "Cursor.h"
28 #include "FuncRequest.h"
29 #include "Language.h"
30 #include "Paragraph.h"
31
32 #include "support/gettext.h"
33 #include "support/lstrings.h"
34
35 #include <QAbstractItemModel>
36 #include <QComboBox>
37 #include <QModelIndex>
38 #include <QSettings>
39 #include <QVariant>
40
41 using namespace std;
42
43 namespace lyx {
44 namespace frontend {
45
46 static QList<ShapePair> shapeData()
47 {
48         QList<ShapePair> shapes;
49         shapes << ShapePair(qt_("No change"), IGNORE_SHAPE);
50         shapes << ShapePair(qt_("Upright"), UP_SHAPE);
51         shapes << ShapePair(qt_("Italic"), ITALIC_SHAPE);
52         shapes << ShapePair(qt_("Slanted"), SLANTED_SHAPE);
53         shapes << ShapePair(qt_("Small Caps"), SMALLCAPS_SHAPE);
54         shapes << ShapePair(qt_("Reset"), INHERIT_SHAPE);
55         return shapes;
56 }
57
58
59 static QList<SizePair> sizeData()
60 {
61         QList<SizePair> sizes;
62         sizes << SizePair(qt_("No change"), FONT_SIZE_IGNORE);
63         sizes << SizePair(qt_("Tiny"), FONT_SIZE_TINY);
64         sizes << SizePair(qt_("Smallest"), FONT_SIZE_SCRIPT);
65         sizes << SizePair(qt_("Smaller"), FONT_SIZE_FOOTNOTE);
66         sizes << SizePair(qt_("Small"), FONT_SIZE_SMALL);
67         sizes << SizePair(qt_("Normal"), FONT_SIZE_NORMAL);
68         sizes << SizePair(qt_("Large"), FONT_SIZE_LARGE);
69         sizes << SizePair(qt_("Larger"), FONT_SIZE_LARGER);
70         sizes << SizePair(qt_("Largest"), FONT_SIZE_LARGEST);
71         sizes << SizePair(qt_("Huge"), FONT_SIZE_HUGE);
72         sizes << SizePair(qt_("Huger"), FONT_SIZE_HUGER);
73         sizes << SizePair(qt_("Increase"), FONT_SIZE_INCREASE);
74         sizes << SizePair(qt_("Decrease"), FONT_SIZE_DECREASE);
75         sizes << SizePair(qt_("Reset"), FONT_SIZE_INHERIT);
76         return sizes;
77 }
78
79
80 static QList<BarPair> barData()
81 {
82         QList<BarPair> bars;
83         bars << BarPair(qt_("No change"), IGNORE);
84         bars << BarPair(qt_("Emph"),      EMPH_TOGGLE);
85         bars << BarPair(qt_("Underbar"),  UNDERBAR_TOGGLE);
86         bars << BarPair(qt_("Double underbar"),  UULINE_TOGGLE);
87         bars << BarPair(qt_("Wavy underbar"),  UWAVE_TOGGLE);
88         bars << BarPair(qt_("Strikeout"),  STRIKEOUT_TOGGLE);
89         bars << BarPair(qt_("Noun"),      NOUN_TOGGLE);
90         bars << BarPair(qt_("Reset"),     INHERIT);
91         return bars;
92 }
93
94
95 static QList<ColorCode> colorData()
96 {
97         QList<ColorCode> colors;
98         colors << Color_black;
99         colors << Color_blue;
100         colors << Color_brown;
101         colors << Color_cyan;
102         colors << Color_darkgray;
103         colors << Color_gray;
104         colors << Color_green;
105         colors << Color_lightgray;
106         colors << Color_lime;
107         colors << Color_magenta;
108         colors << Color_olive;
109         colors << Color_orange;
110         colors << Color_pink;
111         colors << Color_purple;
112         colors << Color_red;
113         colors << Color_teal;
114         colors << Color_violet;
115         colors << Color_white;
116         colors << Color_yellow;
117         return colors;
118 }
119
120
121 static QList<SeriesPair> seriesData()
122 {
123         QList<SeriesPair> series;
124         series << SeriesPair(qt_("No change"), IGNORE_SERIES);
125         series << SeriesPair(qt_("Medium"),    MEDIUM_SERIES);
126         series << SeriesPair(qt_("Bold"),      BOLD_SERIES);
127         series << SeriesPair(qt_("Reset"),     INHERIT_SERIES);
128         return series;
129 }
130
131
132 static QList<FamilyPair> familyData()
133 {
134         QList<FamilyPair> families;
135         families << FamilyPair(qt_("No change"),  IGNORE_FAMILY);
136         families << FamilyPair(qt_("Roman"),      ROMAN_FAMILY);
137         families << FamilyPair(qt_("Sans Serif"), SANS_FAMILY);
138         families << FamilyPair(qt_("Typewriter"), TYPEWRITER_FAMILY);
139         families << FamilyPair(qt_("Reset"),      INHERIT_FAMILY);
140         return families;
141 }
142
143
144 static QList<LanguagePair> languageData()
145 {
146         QList<LanguagePair> list;
147         // FIXME (Abdel 14/05/2008): it would be nice if we could use this model
148         // directly in the language combo; but, as we need also the 'No Change' and
149         // 'Reset' items, this is not possible right now. Separating those two
150         // entries in radio buttons would be a better GUI IMHO.
151         QAbstractItemModel * language_model = guiApp->languageModel();
152         // Make sure the items are sorted.
153         language_model->sort(0);
154
155         for (int i = 0; i != language_model->rowCount(); ++i) {
156                 QModelIndex index = language_model->index(i, 0);
157                 list << LanguagePair(index.data(Qt::DisplayRole).toString(),
158                         index.data(Qt::UserRole).toString());
159         }
160         return list;
161 }
162
163
164 namespace {
165
166 template<typename T>
167 void fillCombo(QComboBox * combo, QList<T> const & list)
168 {
169         typename QList<T>::const_iterator cit = list.begin();
170         for (; cit != list.end(); ++cit)
171                 combo->addItem(cit->first);
172 }
173
174 template<typename T>
175 void fillComboColor(QComboBox * combo, QList<T> const & list)
176 {
177         // at first add the 2 colors "No change" and "No color"
178         combo->addItem(qt_("No change"), "ignore");
179         combo->addItem(qt_("No color"), "none");
180         // now add the real colors
181         QPixmap coloritem(32, 32);
182         QColor color;
183         QList<ColorCode>::const_iterator cit = list.begin();
184         for (; cit != list.end(); ++cit) {
185                 QString const lyxname = toqstr(lcolor.getLyXName(*cit));
186                 QString const guiname = toqstr(translateIfPossible(lcolor.getGUIName(*cit)));
187                 color = QColor(guiApp->colorCache().get(*cit, false));
188                 coloritem.fill(color);
189                 combo->addItem(QIcon(coloritem), guiname, lyxname);
190         }
191         //the last color is "Reset"
192         combo->addItem(qt_("Reset"), "inherit");
193 }
194
195
196 bool ColorSorter(ColorCode lhs, ColorCode rhs)
197 {
198         return support::compare_no_case(lcolor.getGUIName(lhs), lcolor.getGUIName(rhs)) < 0;
199 }
200
201 } // namespace anon
202
203 GuiCharacter::GuiCharacter(GuiView & lv)
204         : GuiDialog(lv, "character", qt_("Text Style")), font_(ignore_font, ignore_language),
205           toggleall_(false)
206 {
207         setupUi(this);
208
209         connect(okPB, SIGNAL(clicked()), this, SLOT(slotOK()));
210         connect(applyPB, SIGNAL(clicked()), this, SLOT(slotApply()));
211         connect(closePB, SIGNAL(clicked()), this, SLOT(slotClose()));
212         connect(autoapplyCB, SIGNAL(stateChanged(int)), this,
213                 SLOT(slotAutoApply()));
214
215         connect(miscCO, SIGNAL(activated(int)), this, SLOT(change_adaptor()));
216         connect(sizeCO, SIGNAL(activated(int)), this, SLOT(change_adaptor()));
217         connect(familyCO, SIGNAL(activated(int)), this, SLOT(change_adaptor()));
218         connect(seriesCO, SIGNAL(activated(int)), this, SLOT(change_adaptor()));
219         connect(shapeCO, SIGNAL(activated(int)), this, SLOT(change_adaptor()));
220         connect(colorCO, SIGNAL(activated(int)), this, SLOT(change_adaptor()));
221         connect(langCO, SIGNAL(activated(int)), this, SLOT(change_adaptor()));
222         connect(toggleallCB, SIGNAL(clicked()), this, SLOT(change_adaptor()));
223
224         family = familyData();
225         series = seriesData();
226         shape  = shapeData();
227         size   = sizeData();
228         bar    = barData();
229         color  = colorData();
230         qSort(color.begin(), color.end(), ColorSorter);
231
232         language = languageData();
233         language.prepend(LanguagePair(qt_("Reset"), "reset"));
234         language.prepend(LanguagePair(qt_("No change"), "ignore"));
235
236         fillCombo(familyCO, family);
237         fillCombo(seriesCO, series);
238         fillCombo(sizeCO, size);
239         fillCombo(shapeCO, shape);
240         fillCombo(miscCO, bar);
241         fillComboColor(colorCO, color);
242         fillCombo(langCO, language);
243
244         bc().setPolicy(ButtonPolicy::OkApplyCancelAutoReadOnlyPolicy);
245         bc().setOK(okPB);
246         bc().setApply(applyPB);
247         bc().setCancel(closePB);
248         bc().setAutoApply(autoapplyCB);
249         bc().addReadOnly(familyCO);
250         bc().addReadOnly(seriesCO);
251         bc().addReadOnly(sizeCO);
252         bc().addReadOnly(shapeCO);
253         bc().addReadOnly(miscCO);
254         bc().addReadOnly(langCO);
255         bc().addReadOnly(colorCO);
256         bc().addReadOnly(toggleallCB);
257         bc().addReadOnly(autoapplyCB);
258
259 #ifdef Q_OS_MAC
260         // On Mac it's common to have tool windows which are always in the
261         // foreground and are hidden when the main window is not focused.
262         setWindowFlags(Qt::Tool);
263         autoapplyCB->setChecked(true);
264 #endif
265
266 // FIXME: hack to work around resizing bug in Qt >= 4.2
267 // bug verified with Qt 4.2.{0-3} (JSpitzm)
268 #if QT_VERSION >= 0x040200
269         // qt resizes the comboboxes only after show(), so ...
270         QDialog::show();
271 #endif
272 }
273
274
275 void GuiCharacter::change_adaptor()
276 {
277         changed();
278
279         if (!autoapplyCB->isChecked())
280                 return;
281
282         // to be really good here, we should set the combos to the values of
283         // the current text, and make it appear as "no change" if the values
284         // stay the same between applys. Might be difficult though wrt to a
285         // moved cursor - jbl
286         slotApply();
287 }
288
289
290 template<class P, class B>
291 static int findPos2nd(QList<P> const & vec, B const & val)
292 {
293         for (int i = 0; i != vec.size(); ++i)
294                 if (vec[i].second == val)
295                         return i;
296         return 0;
297 }
298
299
300 void GuiCharacter::updateContents()
301 {
302         if (!autoapplyCB->isChecked()) {
303                 bc().setValid(true);
304                 return;
305         }
306         if (bufferview()->cursor().selection()) {
307                 //FIXME: it would be better to check if each font attribute is constant
308                 // for the selection range.
309                 font_ = Font(ignore_font, ignore_language);
310         } else
311                 font_ = bufferview()->cursor().current_font;
312
313         paramsToDialog(font_);
314 }
315
316
317 static FontState getBar(FontInfo const & fi)
318 {
319         if (fi.emph() == FONT_TOGGLE)
320                 return EMPH_TOGGLE;
321
322         if (fi.underbar() == FONT_TOGGLE)
323                 return UNDERBAR_TOGGLE;
324
325         if (fi.strikeout() == FONT_TOGGLE)
326                 return STRIKEOUT_TOGGLE;
327
328         if (fi.uuline() == FONT_TOGGLE)
329                 return UULINE_TOGGLE;
330
331         if (fi.uwave() == FONT_TOGGLE)
332                 return UWAVE_TOGGLE;
333
334         if (fi.noun() == FONT_TOGGLE)
335                 return NOUN_TOGGLE;
336
337         if (fi.emph() == FONT_IGNORE
338             && fi.underbar() == FONT_IGNORE
339             && fi.noun() == FONT_IGNORE)
340                 return IGNORE;
341
342         return INHERIT;
343 }
344
345
346 static void setBar(FontInfo & fi, FontState val)
347 {
348         switch (val) {
349         case IGNORE:
350                 fi.setEmph(FONT_IGNORE);
351                 fi.setUnderbar(FONT_IGNORE);
352                 fi.setStrikeout(FONT_IGNORE);
353                 fi.setUuline(FONT_IGNORE);
354                 fi.setUwave(FONT_IGNORE);
355                 fi.setNoun(FONT_IGNORE);
356                 break;
357
358         case EMPH_TOGGLE:
359                 setBar(fi, INHERIT);
360                 fi.setEmph(FONT_TOGGLE);
361                 break;
362
363         case UNDERBAR_TOGGLE:
364                 setBar(fi, INHERIT);
365                 fi.setUnderbar(FONT_TOGGLE);
366                 break;
367
368         case STRIKEOUT_TOGGLE:
369                 setBar(fi, INHERIT);
370                 fi.setStrikeout(FONT_TOGGLE);
371                 break;
372
373         case UULINE_TOGGLE:
374                 setBar(fi, INHERIT);
375                 fi.setUuline(FONT_TOGGLE);
376                 break;
377
378         case UWAVE_TOGGLE:
379                 setBar(fi, INHERIT);
380                 fi.setUwave(FONT_TOGGLE);
381                 break;
382
383         case NOUN_TOGGLE:
384                 setBar(fi, INHERIT);
385                 fi.setNoun(FONT_TOGGLE);
386                 break;
387
388         case INHERIT:
389                 fi.setEmph(FONT_INHERIT);
390                 fi.setUnderbar(FONT_INHERIT);
391                 fi.setStrikeout(FONT_INHERIT);
392                 fi.setUuline(FONT_INHERIT);
393                 fi.setUwave(FONT_INHERIT);
394                 fi.setNoun(FONT_INHERIT);
395                 break;
396         }
397 }
398
399
400 void GuiCharacter::paramsToDialog(Font const & font)
401 {
402         FontInfo const & fi = font.fontInfo();
403         familyCO->setCurrentIndex(findPos2nd(family, fi.family()));
404         seriesCO->setCurrentIndex(findPos2nd(series, fi.series()));
405         shapeCO->setCurrentIndex(findPos2nd(shape, fi.shape()));
406         sizeCO->setCurrentIndex(findPos2nd(size, fi.size()));
407         miscCO->setCurrentIndex(findPos2nd(bar, getBar(fi)));
408         colorCO->setCurrentIndex(colorCO->findData(toqstr(lcolor.getLyXName(fi.color()))));
409
410         // reset_language is a null pointer.
411         QString const lang = (font.language() == reset_language)
412                 ? "reset" : toqstr(font.language()->lang());
413         langCO->setCurrentIndex(findPos2nd(language, lang));
414
415         toggleallCB->setChecked(toggleall_);
416 }
417
418
419 void GuiCharacter::applyView()
420 {
421         FontInfo & fi = font_.fontInfo();
422         fi.setFamily(family[familyCO->currentIndex()].second);
423         fi.setSeries(series[seriesCO->currentIndex()].second);
424         fi.setShape(shape[shapeCO->currentIndex()].second);
425         fi.setSize(size[sizeCO->currentIndex()].second);
426         setBar(fi, bar[miscCO->currentIndex()].second);
427         fi.setColor(lcolor.getFromLyXName(fromqstr(colorCO->itemData(colorCO->currentIndex()).toString())));
428
429         font_.setLanguage(languages.getLanguage(
430                 fromqstr(language[langCO->currentIndex()].second)));
431
432         toggleall_ = toggleallCB->isChecked();
433 }
434
435
436 bool GuiCharacter::initialiseParams(string const &)
437 {
438         if (autoapplyCB->isChecked())
439                 return true;
440
441         FontInfo & fi = font_.fontInfo();
442
443         // so that the user can press Ok
444         if (fi.family()    != IGNORE_FAMILY
445             || fi.series() != IGNORE_SERIES
446             || fi.shape()  != IGNORE_SHAPE
447             || fi.size()   != FONT_SIZE_IGNORE
448             || getBar(fi)  != IGNORE
449             || fi.color()  != Color_ignore
450             || font_.language() != ignore_language)
451                 setButtonsValid(true);
452
453         paramsToDialog(font_);
454         return true;
455 }
456
457
458 void GuiCharacter::dispatchParams()
459 {
460         dispatch(FuncRequest(getLfun(), font_.toString(toggleall_)));
461 }
462
463
464 void GuiCharacter::saveSession() const
465 {
466         Dialog::saveSession();
467         QSettings settings;
468         settings.setValue(sessionKey() + "/toggleall", toggleallCB->isChecked());
469         settings.setValue(sessionKey() + "/autoapply", autoapplyCB->isChecked());
470 }
471
472
473 void GuiCharacter::restoreSession()
474 {
475         Dialog::restoreSession();
476         QSettings settings;
477         toggleallCB->setChecked(
478                 settings.value(sessionKey() + "/toggleall").toBool());
479         autoapplyCB->setChecked(
480                 settings.value(sessionKey() + "/autoapply").toBool());
481 }
482
483
484 Dialog * createGuiCharacter(GuiView & lv) { return new GuiCharacter(lv); }
485
486
487 } // namespace frontend
488 } // namespace lyx
489
490 #include "moc_GuiCharacter.cpp"