src/frontends/qt4/GuiToolbar.cpp

   1 /**
   2  * \file qt4/GuiToolbar.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Lars Gullik Bjønnes
   7  * \author John Levon
   8  * \author Jean-Marc Lasgouttes
   9  * \author Angus Leeming
  10  * \author Abdelrazak Younes
  11  *
  12  * Full author contact details are available in file CREDITS.
  13  */
  14
  15 #include <config.h>
  16
  17 #include "Buffer.h"
  18 #include "BufferParams.h"
  19 #include "BufferView.h"
  20 #include "Cursor.h"
  21 #include "debug.h"
  22 #include "FuncRequest.h"
  23 #include "FuncStatus.h"
  24 #include "gettext.h"
  25 #include "IconPalette.h"
  26 #include "Layout.h"
  27 #include "LyXFunc.h"
  28 #include "Paragraph.h"
  29 #include "TextClass.h"
  30 #include "ToolbarBackend.h"
  31
  32 #include "GuiView.h"
  33 #include "GuiCommandBuffer.h"
  34 #include "GuiToolbar.h"
  35 #include "LyXAction.h"
  36 #include "Action.h"
  37 #include "qt_helpers.h"
  38 #include "InsertTableWidget.h"
  39 #include "LyXRC.h"
  40
  41 #include "support/filetools.h"
  42 #include "support/lstrings.h"
  43 #include "support/lyxalgo.h" // sorted
  44
  45 #include <QComboBox>
  46 #include <QToolBar>
  47 #include <QToolButton>
  48 #include <QAction>
  49 #include <QPixmap>
  50
  51 #include <boost/assert.hpp>
  52
  53
  54 static void initializeResources()
  55 {
  56         static bool initialized = false;
  57         if (!initialized) {
  58                 Q_INIT_RESOURCE(Resources);
  59                 initialized = true;
  60         }
  61 }
  62
  63
  64 namespace lyx {
  65 namespace frontend {
  66
  67 using std::string;
  68 using std::endl;
  69
  70 using support::libFileSearch;
  71 using support::subst;
  72 using support::compare;
  73
  74
  75 namespace {
  76
  77 struct PngMap {
  78         char const * key;
  79         char const * value;
  80 };
  81
  82
  83 bool operator<(PngMap const & lhs, PngMap const & rhs)
  84 {
  85                 return compare(lhs.key, rhs.key) < 0;
  86 }
  87
  88
  89 class CompareKey {
  90 public:
  91         CompareKey(string const & name) : name_(name) {}
  92         bool operator()(PngMap const & other) const { return other.key == name_; }
  93 private:
  94         string const name_;
  95 };
  96
  97
  98 PngMap sorted_png_map[] = {
  99         { "Bumpeq", "bumpeq2" },
 100         { "Cap", "cap2" },
 101         { "Cup", "cup2" },
 102         { "Delta", "delta2" },
 103         { "Downarrow", "downarrow2" },
 104         { "Gamma", "gamma2" },
 105         { "Lambda", "lambda2" },
 106         { "Leftarrow", "leftarrow2" },
 107         { "Leftrightarrow", "leftrightarrow2" },
 108         { "Longleftarrow", "longleftarrow2" },
 109         { "Longleftrightarrow", "longleftrightarrow2" },
 110         { "Longrightarrow", "longrightarrow2" },
 111         { "Omega", "omega2" },
 112         { "Phi", "phi2" },
 113         { "Pi", "pi2" },
 114         { "Psi", "psi2" },
 115         { "Rightarrow", "rightarrow2" },
 116         { "Sigma", "sigma2" },
 117         { "Subset", "subset2" },
 118         { "Supset", "supset2" },
 119         { "Theta", "theta2" },
 120         { "Uparrow", "uparrow2" },
 121         { "Updownarrow", "updownarrow2" },
 122         { "Upsilon", "upsilon2" },
 123         { "Vdash", "vdash3" },
 124         { "Xi", "xi2" },
 125         { "nLeftarrow", "nleftarrow2" },
 126         { "nLeftrightarrow", "nleftrightarrow2" },
 127         { "nRightarrow", "nrightarrow2" },
 128         { "nVDash", "nvdash3" },
 129         { "nvDash", "nvdash2" },
 130         { "textrm \\AA", "textrm_AA"},
 131         { "textrm \\O", "textrm_Oe"},
 132         { "vDash", "vdash2" }
 133 };
 134
 135 size_t const nr_sorted_png_map = sizeof(sorted_png_map) / sizeof(PngMap);
 136
 137
 138 string const find_png(string const & name)
 139 {
 140         PngMap const * const begin = sorted_png_map;
 141         PngMap const * const end = begin + nr_sorted_png_map;
 142         BOOST_ASSERT(sorted(begin, end));
 143
 144         PngMap const * const it = std::find_if(begin, end, CompareKey(name));
 145
 146         string png_name;
 147         if (it != end)
 148                 png_name = it->value;
 149         else {
 150                 png_name = subst(name, "_", "underscore");
 151                 png_name = subst(png_name, ' ', '_');
 152
 153                 // This way we can have "math-delim { }" on the toolbar.
 154                 png_name = subst(png_name, "(", "lparen");
 155                 png_name = subst(png_name, ")", "rparen");
 156                 png_name = subst(png_name, "[", "lbracket");
 157                 png_name = subst(png_name, "]", "rbracket");
 158                 png_name = subst(png_name, "{", "lbrace");
 159                 png_name = subst(png_name, "}", "rbrace");
 160                 png_name = subst(png_name, "|", "bars");
 161                 png_name = subst(png_name, ",", "thinspace");
 162                 png_name = subst(png_name, ":", "mediumspace");
 163                 png_name = subst(png_name, ";", "thickspace");
 164                 png_name = subst(png_name, "!", "negthinspace");
 165         }
 166
 167         LYXERR(Debug::GUI, "find_png(" << name << ")\n"
 168                 << "Looking for math PNG called \"" << png_name << '"');
 169         return png_name;
 170 }
 171
 172 } // namespace anon
 173
 174
 175 /// return a icon for the given action
 176 static QIcon getIcon(FuncRequest const & f, bool unknown)
 177 {
 178         initializeResources();
 179         QPixmap pm;
 180         string name1;
 181         string name2;
 182         string path;
 183         string fullname;
 184
 185         switch (f.action) {
 186         case LFUN_MATH_INSERT:
 187                 if (!f.argument().empty()) {
 188                         path = "math/";
 189                         name1 = find_png(to_utf8(f.argument()).substr(1));
 190                 }
 191                 break;
 192         case LFUN_MATH_DELIM:
 193         case LFUN_MATH_BIGDELIM:
 194                 path = "math/";
 195                 name1 = find_png(to_utf8(f.argument()));
 196                 break;
 197         case LFUN_CALL:
 198                 path = "commands/";
 199                 name1 = to_utf8(f.argument());
 200                 break;
 201         default:
 202                 name2 = lyxaction.getActionName(f.action);
 203                 name1 = name2;
 204
 205                 if (!f.argument().empty())
 206                         name1 = subst(name2 + ' ' + to_utf8(f.argument()), ' ', '_');
 207         }
 208
 209         fullname = libFileSearch("images/" + path, name1, "png").absFilename();
 210         if (pm.load(toqstr(fullname)))
 211                 return pm;
 212
 213         fullname = libFileSearch("images/" + path, name2, "png").absFilename();
 214         if (pm.load(toqstr(fullname)))
 215                 return pm;
 216
 217         if (pm.load(":/images/" + toqstr(path + name1) + ".png"))
 218                 return pm;
 219
 220         if (pm.load(":/images/" + toqstr(path + name2) + ".png"))
 221                 return pm;
 222
 223         LYXERR(Debug::GUI, "Cannot find icon for command \""
 224                            << lyxaction.getActionName(f.action)
 225                            << '(' << to_utf8(f.argument()) << ")\"");
 226         if (unknown)
 227                 pm.load(":/images/unknown.png");
 228
 229         return pm;
 230 }
 231
 232
 233 /////////////////////////////////////////////////////////////////////
 234 //
 235 // GuiLayoutBox
 236 //
 237 /////////////////////////////////////////////////////////////////////
 238
 239 GuiLayoutBox::GuiLayoutBox(GuiView & owner)
 240         : owner_(owner)
 241 {
 242         setSizeAdjustPolicy(QComboBox::AdjustToContents);
 243         setFocusPolicy(Qt::ClickFocus);
 244         setMinimumWidth(sizeHint().width());
 245         setMaxVisibleItems(100);
 246
 247         QObject::connect(this, SIGNAL(activated(QString)),
 248                          this, SLOT(selected(QString)));
 249         owner_.setLayoutDialog(this);
 250 }
 251
 252
 253 void GuiLayoutBox::set(docstring const & layout)
 254 {
 255         if (!text_class_)
 256                 return;
 257
 258         QString const & name = toqstr(translateIfPossible(
 259                 (*text_class_)[layout]->name()));
 260
 261         if (name == currentText())
 262                 return;
 263
 264         int i = findText(name);
 265         if (i == -1) {
 266                 lyxerr << "Trying to select non existent layout type "
 267                         << fromqstr(name) << endl;
 268                 return;
 269         }
 270
 271         setCurrentIndex(i);
 272 }
 273
 274
 275 void GuiLayoutBox::addItemSort(QString const & item, bool sorted)
 276 {
 277         int const end = count();
 278         if (!sorted || end < 2 || item[0].category() != QChar::Letter_Uppercase) {
 279                 addItem(item);
 280                 return;
 281         }
 282
 283         // Let the default one be at the beginning
 284         int i = 1;
 285         for (setCurrentIndex(i); currentText() < item;) {
 286                 // e.g. --Separator--
 287                 if (currentText()[0].category() != QChar::Letter_Uppercase)
 288                         break;
 289                 if (++i == end)
 290                         break;
 291                 setCurrentIndex(i);
 292         }
 293
 294         insertItem(i, item);
 295 }
 296
 297
 298 void GuiLayoutBox::updateContents(bool reset)
 299 {
 300         Buffer const * buffer = owner_.buffer();
 301         if (!buffer) {
 302                 clear();
 303                 setEnabled(false);
 304                 text_class_ = 0;
 305                 return;
 306         }
 307
 308         setEnabled(true);
 309         TextClass const * text_class = &buffer->params().getTextClass();
 310         if (!reset && text_class_ == text_class) {
 311                 set(owner_.view()->cursor().innerParagraph().layout()->name());
 312                 return;
 313         }
 314
 315         text_class_ = text_class;
 316
 317         setUpdatesEnabled(false);
 318         clear();
 319
 320         TextClass::const_iterator it = text_class_->begin();
 321         TextClass::const_iterator const end = text_class_->end();
 322         for (; it != end; ++it) {
 323                 // ignore obsolete entries
 324                 addItemSort(toqstr(translateIfPossible((*it)->name())), lyxrc.sort_layouts);
 325         }
 326
 327         setCurrentIndex(0);
 328
 329         // needed to recalculate size hint
 330         hide();
 331         setMinimumWidth(sizeHint().width());
 332         set(owner_.view()->cursor().innerParagraph().layout()->name());
 333         show();
 334
 335         setUpdatesEnabled(true);
 336 }
 337
 338
 339 void GuiLayoutBox::selected(const QString & str)
 340 {
 341         owner_.setFocus();
 342         updateContents(false);
 343         if (!text_class_)
 344                 return;
 345
 346         docstring const name = qstring_to_ucs4(str);
 347         TextClass::const_iterator it  = text_class_->begin();
 348         TextClass::const_iterator const end = text_class_->end();
 349         for (; it != end; ++it) {
 350                 docstring const & itname = (*it)->name();
 351                 if (translateIfPossible(itname) == name) {
 352                         FuncRequest const func(LFUN_LAYOUT, itname,
 353                                                FuncRequest::TOOLBAR);
 354                         owner_.dispatch(func);
 355                         return;
 356                 }
 357         }
 358         lyxerr << "ERROR (layoutSelected): layout not found!" << endl;
 359 }
 360
 361
 362
 363 /////////////////////////////////////////////////////////////////////
 364 //
 365 // GuiToolbar
 366 //
 367 /////////////////////////////////////////////////////////////////////
 368
 369
 370 GuiToolbar::GuiToolbar(ToolbarInfo const & tbinfo, GuiView & owner)
 371         : QToolBar(qt_(tbinfo.gui_name), &owner), owner_(owner),
 372           layout_(0), command_buffer_(0)
 373 {
 374         // give visual separation between adjacent toolbars
 375         addSeparator();
 376
 377         // TODO: save toolbar position
 378         setMovable(true);
 379
 380         ToolbarInfo::item_iterator it = tbinfo.items.begin();
 381         ToolbarInfo::item_iterator end = tbinfo.items.end();
 382         for (; it != end; ++it)
 383                 add(*it);
 384 }
 385
 386
 387 Action * GuiToolbar::addItem(ToolbarItem const & item)
 388 {
 389         Action * act = new Action(owner_,
 390                 getIcon(item.func_, false),
 391           toqstr(item.label_), item.func_, toqstr(item.label_));
 392         actions_.append(act);
 393         return act;
 394 }
 395
 396
 397 void GuiToolbar::add(ToolbarItem const & item)
 398 {
 399         switch (item.type_) {
 400         case ToolbarItem::SEPARATOR:
 401                 addSeparator();
 402                 break;
 403         case ToolbarItem::LAYOUTS:
 404                 layout_ = new GuiLayoutBox(owner_);
 405                 addWidget(layout_);
 406                 break;
 407         case ToolbarItem::MINIBUFFER:
 408                 command_buffer_ = new GuiCommandBuffer(&owner_);
 409                 addWidget(command_buffer_);
 410                 /// \todo find a Qt4 equivalent to setHorizontalStretchable(true);
 411                 //setHorizontalStretchable(true);
 412                 break;
 413         case ToolbarItem::TABLEINSERT: {
 414                 QToolButton * tb = new QToolButton;
 415                 tb->setCheckable(true);
 416                 tb->setIcon(getIcon(FuncRequest(LFUN_TABULAR_INSERT), true));
 417                 tb->setToolTip(qt_(to_ascii(item.label_)));
 418                 tb->setStatusTip(qt_(to_ascii(item.label_)));
 419                 tb->setText(qt_(to_ascii(item.label_)));
 420                 InsertTableWidget * iv = new InsertTableWidget(owner_, tb);
 421                 connect(tb, SIGNAL(clicked(bool)), iv, SLOT(show(bool)));
 422                 connect(iv, SIGNAL(visible(bool)), tb, SLOT(setChecked(bool)));
 423                 connect(this, SIGNAL(updated()), iv, SLOT(updateParent()));
 424                 addWidget(tb);
 425                 break;
 426                 }
 427         case ToolbarItem::ICONPALETTE: {
 428                 QToolButton * tb = new QToolButton(this);
 429                 tb->setToolTip(qt_(to_ascii(item.label_)));
 430                 tb->setStatusTip(qt_(to_ascii(item.label_)));
 431                 tb->setText(qt_(to_ascii(item.label_)));
 432                 connect(this, SIGNAL(iconSizeChanged(QSize)),
 433                         tb, SLOT(setIconSize(QSize)));
 434                 IconPalette * panel = new IconPalette(tb);
 435                 panel->setWindowTitle(qt_(to_ascii(item.label_)));
 436                 connect(this, SIGNAL(updated()), panel, SLOT(updateParent()));
 437                 ToolbarInfo const * tbinfo = toolbarbackend.getDefinedToolbarInfo(item.name_);
 438                 if (!tbinfo) {
 439                         lyxerr << "Unknown toolbar " << item.name_ << endl;
 440                         break;
 441                 }
 442                 ToolbarInfo::item_iterator it = tbinfo->items.begin();
 443                 ToolbarInfo::item_iterator const end = tbinfo->items.end();
 444                 for (; it != end; ++it)
 445                         if (!getStatus(it->func_).unknown()) {
 446                                 panel->addButton(addItem(*it));
 447                                 // use the icon of first action for the toolbar button
 448                                 if (it == tbinfo->items.begin())
 449                                         tb->setIcon(getIcon(it->func_, true));
 450                         }
 451                 tb->setCheckable(true);
 452                 connect(tb, SIGNAL(clicked(bool)), panel, SLOT(setVisible(bool)));
 453                 connect(panel, SIGNAL(visible(bool)), tb, SLOT(setChecked(bool)));
 454                 addWidget(tb);
 455                 break;
 456                 }
 457         case ToolbarItem::POPUPMENU: {
 458                 QToolButton * tb = new QToolButton;
 459                 tb->setPopupMode(QToolButton::InstantPopup);
 460                 tb->setToolTip(qt_(to_ascii(item.label_)));
 461                 tb->setStatusTip(qt_(to_ascii(item.label_)));
 462                 tb->setText(qt_(to_ascii(item.label_)));
 463                 tb->setIcon(QPixmap(":images/math/" + toqstr(item.name_) + ".png"));
 464                 connect(this, SIGNAL(iconSizeChanged(QSize)),
 465                         tb, SLOT(setIconSize(QSize)));
 466
 467                 ButtonMenu * m = new ButtonMenu(qt_(to_ascii(item.label_)), tb);
 468                 m->setWindowTitle(qt_(to_ascii(item.label_)));
 469                 m->setTearOffEnabled(true);
 470                 connect(this, SIGNAL(updated()), m, SLOT(updateParent()));
 471                 ToolbarInfo const * tbinfo = toolbarbackend.getDefinedToolbarInfo(item.name_);
 472                 if (!tbinfo) {
 473                         lyxerr << "Unknown toolbar " << item.name_ << endl;
 474                         break;
 475                 }
 476                 ToolbarInfo::item_iterator it = tbinfo->items.begin();
 477                 ToolbarInfo::item_iterator const end = tbinfo->items.end();
 478                 for (; it != end; ++it)
 479                         if (!getStatus(it->func_).unknown())
 480                                 m->add(addItem(*it));
 481                 tb->setMenu(m);
 482                 addWidget(tb);
 483                 break;
 484                 }
 485         case ToolbarItem::COMMAND: {
 486                 if (!getStatus(item.func_).unknown())
 487                         addAction(addItem(item));
 488                 break;
 489                 }
 490         default:
 491                 break;
 492         }
 493 }
 494
 495
 496 void GuiToolbar::saveInfo(ToolbarSection::ToolbarInfo & tbinfo)
 497 {
 498         // if tbinfo.state == auto *do not* set on/off
 499         if (tbinfo.state != ToolbarSection::ToolbarInfo::AUTO) {
 500                 if (GuiToolbar::isVisible())
 501                         tbinfo.state = ToolbarSection::ToolbarInfo::ON;
 502                 else
 503                         tbinfo.state = ToolbarSection::ToolbarInfo::OFF;
 504         }
 505         //
 506         // no need to save it here.
 507         Qt::ToolBarArea loc = owner_.toolBarArea(this);
 508
 509         if (loc == Qt::TopToolBarArea)
 510                 tbinfo.location = ToolbarSection::ToolbarInfo::TOP;
 511         else if (loc == Qt::BottomToolBarArea)
 512                 tbinfo.location = ToolbarSection::ToolbarInfo::BOTTOM;
 513         else if (loc == Qt::RightToolBarArea)
 514                 tbinfo.location = ToolbarSection::ToolbarInfo::RIGHT;
 515         else if (loc == Qt::LeftToolBarArea)
 516                 tbinfo.location = ToolbarSection::ToolbarInfo::LEFT;
 517         else
 518                 tbinfo.location = ToolbarSection::ToolbarInfo::NOTSET;
 519
 520         // save toolbar position. They are not used to restore toolbar position
 521         // now because move(x,y) does not work for toolbar.
 522         tbinfo.posx = pos().x();
 523         tbinfo.posy = pos().y();
 524 }
 525
 526
 527 void GuiToolbar::updateContents()
 528 {
 529         // update visible toolbars only
 530         if (!isVisible())
 531                 return;
 532         // This is a speed bottleneck because this is called on every keypress
 533         // and update calls getStatus, which copies the cursor at least two times
 534         for (int i = 0; i < actions_.size(); ++i)
 535                 actions_[i]->update();
 536
 537         if (layout_)
 538                 layout_->setEnabled(lyx::getStatus(FuncRequest(LFUN_LAYOUT)).enabled());
 539
 540         // emit signal
 541         updated();
 542 }
 543
 544
 545 } // namespace frontend
 546 } // namespace lyx
 547
 548 #include "GuiToolbar_moc.cpp"