src/frontends/qt4/GuiIndices.cpp

   1 /**
   2  * \file GuiIndices.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Edwin Leuven
   7  * \author Jürgen Spitzmüller
   8  * \author Abdelrazak Younes
   9  *
  10  * Full author contact details are available in file CREDITS.
  11  */
  12
  13 #include <config.h>
  14
  15 #include "GuiIndices.h"
  16
  17 #include "ColorCache.h"
  18 #include "GuiApplication.h"
  19 #include "Validator.h"
  20 #include "qt_helpers.h"
  21
  22 #include "frontends/alert.h"
  23
  24 #include "BufferParams.h"
  25 #include "LyXRC.h"
  26
  27 #include "support/gettext.h"
  28 #include "support/lstrings.h"
  29
  30 #include <QTreeWidget>
  31 #include <QTreeWidgetItem>
  32 #include <QPixmap>
  33 #include <QIcon>
  34 #include <QColor>
  35 #include <QColorDialog>
  36
  37
  38 using namespace std;
  39 using namespace lyx::support;
  40
  41
  42 namespace lyx {
  43 namespace frontend {
  44
  45
  46 GuiIndices::GuiIndices(QWidget * parent)
  47         : QWidget(parent)
  48 {
  49         setupUi(this);
  50         indicesTW->setColumnCount(2);
  51         indicesTW->headerItem()->setText(0, qt_("Name"));
  52         indicesTW->headerItem()->setText(1, qt_("Label Color"));
  53         indicesTW->setSortingEnabled(true);
  54
  55         // NOTE: we do not provide "custom" here for security reasons!
  56         indexCO->clear();
  57         indexCO->addItem(qt_("Default"), QString("default"));
  58         for (set<string>::const_iterator it = lyxrc.index_alternatives.begin();
  59                              it != lyxrc.index_alternatives.end(); ++it) {
  60                 QString const command = toqstr(*it).left(toqstr(*it).indexOf(" "));
  61                 indexCO->addItem(command, command);
  62         }
  63 }
  64
  65 void GuiIndices::update(BufferParams const & params)
  66 {
  67         indiceslist_ = params.indiceslist();
  68         multipleIndicesCB->setChecked(params.use_indices);
  69         bool const state = params.use_indices;
  70         indicesTW->setEnabled(state);
  71         newIndexLE->setEnabled(state);
  72         newIndexLA->setEnabled(state);
  73         addIndexPB->setEnabled(state);
  74         availableLA->setEnabled(state);
  75         removePB->setEnabled(state);
  76         colorPB->setEnabled(state);
  77
  78         string command;
  79         string options =
  80                 split(params.index_command, command, ' ');
  81
  82         int const pos = indexCO->findData(toqstr(command));
  83         if (pos != -1) {
  84                 indexCO->setCurrentIndex(pos);
  85                 indexOptionsED->setText(toqstr(options).trimmed());
  86         } else {
  87                 // We reset to default if we do not know the specified compiler
  88                 // This is for security reasons
  89                 indexCO->setCurrentIndex(indexCO->findData(toqstr("default")));
  90                 indexOptionsED->clear();
  91         }
  92         indexOptionsED->setEnabled(
  93                 indexCO->currentIndex() != 0);
  94
  95         updateView();
  96 }
  97
  98
  99 void GuiIndices::updateView()
 100 {
 101         // store the selected index
 102         QTreeWidgetItem * item = indicesTW->currentItem();
 103         QString sel_index;
 104         if (item != 0)
 105                 sel_index = item->text(0);
 106
 107         indicesTW->clear();
 108
 109         IndicesList::const_iterator it = indiceslist_.begin();
 110         IndicesList::const_iterator const end = indiceslist_.end();
 111         for (; it != end; ++it) {
 112                 QTreeWidgetItem * newItem = new QTreeWidgetItem(indicesTW);
 113
 114                 QString const iname = toqstr(it->index());
 115                 newItem->setText(0, iname);
 116
 117                 QColor const itemcolor = rgb2qcolor(it->color());
 118                 if (itemcolor.isValid()) {
 119                         QPixmap coloritem(30, 10);
 120                         coloritem.fill(itemcolor);
 121                         newItem->setIcon(1, QIcon(coloritem));
 122                 }
 123                 // restore selected index
 124                 if (iname == sel_index) {
 125                         indicesTW->setCurrentItem(newItem);
 126                         indicesTW->setItemSelected(newItem, true);
 127                 }
 128         }
 129         indicesTW->resizeColumnToContents(0);
 130         bool const have_sel =
 131                 !indicesTW->selectedItems().isEmpty();
 132         removePB->setEnabled(have_sel);
 133         renamePB->setEnabled(have_sel);
 134         colorPB->setEnabled(have_sel);
 135         // emit signal
 136         changed();
 137 }
 138
 139
 140 void GuiIndices::apply(BufferParams & params) const
 141 {
 142         params.use_indices = multipleIndicesCB->isChecked();
 143         params.indiceslist() = indiceslist_;
 144
 145         string const index_command =
 146                 fromqstr(indexCO->itemData(
 147                         indexCO->currentIndex()).toString());
 148         string const index_options = fromqstr(indexOptionsED->text());
 149         if (index_command == "default" || index_options.empty())
 150                 params.index_command = index_command;
 151         else
 152                 params.index_command = index_command + " " + index_options;
 153 }
 154
 155
 156 void GuiIndices::on_indexCO_activated(int n)
 157 {
 158         indexOptionsED->setEnabled(
 159                 indexCO->itemData(n).toString() != "default");
 160         changed();
 161 }
 162
 163
 164 void GuiIndices::on_indexOptionsED_textChanged(QString)
 165 {
 166         changed();
 167 }
 168
 169
 170 void GuiIndices::on_addIndexPB_pressed()
 171 {
 172         QString const new_index = newIndexLE->text();
 173         if (!new_index.isEmpty()) {
 174                 indiceslist_.add(qstring_to_ucs4(new_index));
 175                 newIndexLE->clear();
 176                 updateView();
 177         }
 178 }
 179
 180
 181 void GuiIndices::on_removePB_pressed()
 182 {
 183         QTreeWidgetItem * selItem = indicesTW->currentItem();
 184         QString sel_index;
 185         if (selItem != 0)
 186                 sel_index = selItem->text(0);
 187         if (!sel_index.isEmpty()) {
 188                 if (indiceslist_.find(qstring_to_ucs4(sel_index)) ==
 189                     indiceslist_.findShortcut(from_ascii("idx"))) {
 190                         Alert::error(_("Cannot remove standard index"),
 191                               _("The default index cannot be removed."));
 192                               return;
 193                 }
 194                 indiceslist_.remove(qstring_to_ucs4(sel_index));
 195                 newIndexLE->clear();
 196                 updateView();
 197         }
 198 }
 199
 200
 201 void GuiIndices::on_renamePB_clicked()
 202 {
 203         QTreeWidgetItem * selItem = indicesTW->currentItem();
 204         QString sel_index;
 205         if (selItem != 0)
 206                 sel_index = selItem->text(0);
 207         if (!sel_index.isEmpty()) {
 208                 docstring newname;
 209                 docstring const oldname = qstring_to_ucs4(sel_index);
 210                 bool success = false;
 211                 if (Alert::askForText(newname, _("Enter new index name"), oldname)) {
 212                         if (newname.empty() || oldname == newname)
 213                                 return;
 214                         success = indiceslist_.rename(qstring_to_ucs4(sel_index), newname);
 215                         newIndexLE->clear();
 216                         updateView();
 217                         if (!success)
 218                                 Alert::error(_("Renaming failed"),
 219                                       _("The index could not be renamed. "
 220                                         "Check if the new name already exists."));
 221                 }
 222         }
 223 }
 224
 225
 226 void GuiIndices::on_indicesTW_itemDoubleClicked(QTreeWidgetItem * item, int /*col*/)
 227 {
 228         toggleColor(item);
 229 }
 230
 231
 232 void GuiIndices::on_indicesTW_itemSelectionChanged()
 233 {
 234         bool const have_sel =
 235                 !indicesTW->selectedItems().isEmpty();
 236         removePB->setEnabled(have_sel);
 237         renamePB->setEnabled(have_sel);
 238         colorPB->setEnabled(have_sel);
 239 }
 240
 241
 242 void GuiIndices::on_colorPB_clicked()
 243 {
 244         toggleColor(indicesTW->currentItem());
 245 }
 246
 247
 248 void GuiIndices::on_multipleIndicesCB_toggled(bool const state)
 249 {
 250         bool const have_sel =
 251                 !indicesTW->selectedItems().isEmpty();
 252         indicesTW->setEnabled(state);
 253         newIndexLE->setEnabled(state);
 254         newIndexLA->setEnabled(state);
 255         addIndexPB->setEnabled(state);
 256         availableLA->setEnabled(state);
 257         removePB->setEnabled(state && have_sel);
 258         colorPB->setEnabled(state && have_sel);
 259         renamePB->setEnabled(state && have_sel);
 260         // emit signal
 261         changed();
 262 }
 263
 264
 265 void GuiIndices::toggleColor(QTreeWidgetItem * item)
 266 {
 267         if (item == 0)
 268                 return;
 269
 270         QString sel_index = item->text(0);
 271         if (sel_index.isEmpty())
 272                 return;
 273
 274         docstring current_index = qstring_to_ucs4(sel_index);
 275         Index * index = indiceslist_.find(current_index);
 276         if (!index)
 277                 return;
 278
 279         QColor const initial = rgb2qcolor(index->color());
 280         QColor ncol = QColorDialog::getColor(initial, qApp->focusWidget());
 281         if (!ncol.isValid())
 282                 return;
 283
 284         // add the color to the indiceslist
 285         index->setColor(fromqstr(ncol.name()));
 286         newIndexLE->clear();
 287         updateView();
 288 }
 289
 290 } // namespace frontend
 291 } // namespace lyx
 292
 293 #include "moc_GuiIndices.cpp"