src/frontends/qt4/GuiSearch.cpp

   1 /**
   2  * \file GuiSearch.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author John Levon
   7  * \author Edwin Leuven
   8  * \author Angus Leeming
   9  *
  10  * Full author contact details are available in file CREDITS.
  11  */
  12
  13 #include <config.h>
  14
  15 #include "lyxfind.h"
  16 #include "qt_helpers.h"
  17 #include "FuncRequest.h"
  18 #include "BufferView.h"
  19 #include "Buffer.h"
  20 #include "Cursor.h"
  21 #include "GuiSearch.h"
  22 #include "GuiView.h"
  23
  24 #include "support/gettext.h"
  25 #include "frontends/alert.h"
  26
  27 #include <QLineEdit>
  28 #include <QShowEvent>
  29
  30 using namespace std;
  31
  32 namespace lyx {
  33 namespace frontend {
  34
  35 static void uniqueInsert(QComboBox * box, QString const & text)
  36 {
  37         for (int i = box->count(); --i >= 0; )
  38                 if (box->itemText(i) == text)
  39                         return;
  40
  41         box->insertItem(0, text);
  42 }
  43
  44
  45 GuiSearch::GuiSearch(GuiView & lv)
  46         : GuiDialog(lv, "findreplace", qt_("Find and Replace"))
  47 {
  48         setupUi(this);
  49
  50         connect(closePB, SIGNAL(clicked()), this, SLOT(slotClose()));
  51         connect(findPB, SIGNAL(clicked()), this, SLOT(findClicked()));
  52         connect(replacePB, SIGNAL(clicked()), this, SLOT(replaceClicked()));
  53         connect(replaceallPB, SIGNAL(clicked()), this, SLOT(replaceallClicked()));
  54         connect(findCO, SIGNAL(editTextChanged(QString)),
  55                 this, SLOT(findChanged()));
  56
  57         setFocusProxy(findCO);
  58
  59         bc().setPolicy(ButtonPolicy::NoRepeatedApplyReadOnlyPolicy);
  60         bc().setCancel(closePB);
  61         bc().addReadOnly(replaceCO);
  62         bc().addReadOnly(replacePB);
  63         bc().addReadOnly(replaceallPB);
  64
  65         replacePB->setEnabled(false);
  66         replaceallPB->setEnabled(false);
  67 }
  68
  69
  70 void GuiSearch::showEvent(QShowEvent * e)
  71 {
  72         findPB->setFocus();
  73         findCO->lineEdit()->selectAll();
  74         GuiDialog::showEvent(e);
  75 }
  76
  77
  78 void GuiSearch::findChanged()
  79 {
  80         if (findCO->currentText().isEmpty()) {
  81                 findPB->setEnabled(false);
  82                 replacePB->setEnabled(false);
  83                 replaceallPB->setEnabled(false);
  84         } else {
  85                 findPB->setEnabled(true);
  86                 replacePB->setEnabled(!isBufferReadonly());
  87                 replaceallPB->setEnabled(!isBufferReadonly());
  88         }
  89 }
  90
  91
  92 void GuiSearch::findClicked()
  93 {
  94         docstring const needle = qstring_to_ucs4(findCO->currentText());
  95         find(needle, caseCB->isChecked(), wordsCB->isChecked(),
  96                 !backwardsCB->isChecked());
  97         uniqueInsert(findCO, findCO->currentText());
  98         findCO->lineEdit()->selectAll();
  99 }
 100
 101
 102 void GuiSearch::replaceClicked()
 103 {
 104         docstring const needle = qstring_to_ucs4(findCO->currentText());
 105         docstring const repl = qstring_to_ucs4(replaceCO->currentText());
 106         replace(needle, repl, caseCB->isChecked(), wordsCB->isChecked(),
 107                 !backwardsCB->isChecked(), false);
 108         uniqueInsert(findCO, findCO->currentText());
 109         uniqueInsert(replaceCO, replaceCO->currentText());
 110 }
 111
 112
 113 void GuiSearch::replaceallClicked()
 114 {
 115         replace(qstring_to_ucs4(findCO->currentText()),
 116                 qstring_to_ucs4(replaceCO->currentText()),
 117                 caseCB->isChecked(), wordsCB->isChecked(), true, true);
 118         uniqueInsert(findCO, findCO->currentText());
 119         uniqueInsert(replaceCO, replaceCO->currentText());
 120 }
 121
 122
 123 void GuiSearch::wrap_dispatch(const FuncRequest & func, bool forward)
 124 {
 125         dispatch(func);
 126
 127         BufferView * bv = const_cast<BufferView *>(bufferview());
 128
 129         if (!bv->cursor().result().dispatched()) {
 130                 GuiView & lv = *const_cast<GuiView *>(&lyxview());
 131                 DocIterator cur_orig(bv->cursor());
 132                 docstring q;
 133                 if (forward)
 134                         q = _("End of file reached while searching forward.\n"
 135                           "Continue searching from the beginning?");
 136                 else
 137                         q = _("Beginning of file reached while searching backward.\n"
 138                           "Continue searching from the end?");
 139                 int wrap_answer = frontend::Alert::prompt(_("Wrap search?"),
 140                         q, 0, 1, _("&Yes"), _("&No"));
 141                 if (wrap_answer == 0) {
 142                         if (forward) {
 143                                 bv->cursor().clear();
 144                                 bv->cursor().push_back(CursorSlice(bv->buffer().inset()));
 145                         } else {
 146                                 bv->cursor().setCursor(doc_iterator_end(&bv->buffer()));
 147                                 bv->cursor().backwardPos();
 148                         }
 149                         bv->clearSelection();
 150                         dispatch(func);
 151                         if (bv->cursor().result().dispatched())
 152                                 return;
 153                 }
 154                 bv->cursor().setCursor(cur_orig);
 155                 lv.message(_("String not found."));
 156         }
 157 }
 158
 159
 160 void GuiSearch::find(docstring const & search, bool casesensitive,
 161                          bool matchword, bool forward)
 162 {
 163         docstring const data =
 164                 find2string(search, casesensitive, matchword, forward);
 165         wrap_dispatch(FuncRequest(LFUN_WORD_FIND, data), forward);
 166 }
 167
 168
 169 void GuiSearch::replace(docstring const & search, docstring const & replace,
 170                             bool casesensitive, bool matchword,
 171                             bool forward, bool all)
 172 {
 173         docstring const data =
 174                 replace2string(replace, search, casesensitive,
 175                                      matchword, all, forward);
 176         wrap_dispatch(FuncRequest(LFUN_WORD_REPLACE, data), forward);
 177 }
 178
 179
 180 Dialog * createGuiSearch(GuiView & lv) { return new GuiSearch(lv); }
 181
 182
 183 } // namespace frontend
 184 } // namespace lyx
 185
 186
 187 #include "moc_GuiSearch.cpp"