src/frontends/qt4/CustomizedWidgets.cpp

   1 /**
   2  * \file GuiPrefs.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Bo Peng
   7  * \author Edwin Leuven
   8  *
   9  * Full author contact details are available in file CREDITS.
  10  */
  11
  12 /*
  13         The code for the ShortcutLineEdit class was adapted from
  14         kkeysequencewidget.cpp, which is part of the KDE libraries.
  15         Copyright (C) 1998 Mark Donohoe <donohoe@kde.org>
  16         Copyright (C) 2001 Ellis Whitehead <ellis@kde.org>
  17         Copyright (C) 2007 Andreas Hartmetz <ahartmetz@gmail.com>
  18         Licensed under version 2 of the General Public License and
  19         used here in accordance with the terms of that license.
  20 */
  21
  22 #include <config.h>
  23
  24 #include "CustomizedWidgets.h"
  25 #include "GuiKeySymbol.h"
  26
  27 #include "support/qstring_helpers.h"
  28
  29
  30 using lyx::KeySymbol;
  31 using lyx::toqstr;
  32
  33 void ShortcutLineEdit::keyPressEvent(QKeyEvent * e)
  34 {
  35         int keyQt = e->key();
  36         switch(e->key()) {
  37                 case Qt::Key_AltGr: //or else we get unicode salad
  38                 case Qt::Key_Shift:
  39                 case Qt::Key_Control:
  40                 case Qt::Key_Alt:
  41                 case Qt::Key_Meta:
  42                         break;
  43                 default:
  44                         if (keyQt) {
  45                                 uint modifierKeys = e->modifiers();
  46
  47                                 QString txt;
  48                                 if (modifierKeys & Qt::SHIFT)
  49                                         txt += "S-";
  50                                 if (modifierKeys & Qt::CTRL)
  51                                         txt += "C-";
  52                                 if (modifierKeys & Qt::ALT)
  53                                         txt += "M-";
  54
  55                                 KeySymbol sym;
  56                                 setKeySymbol(&sym, e);
  57                                 txt += toqstr(sym.getSymbolName());
  58
  59                                 if (text().isEmpty())
  60                                         setText(txt);
  61                                 else
  62                                         setText(text() + " " + txt);
  63                         }
  64         }
  65 }
  66
  67
  68 //prevent Qt from special casing Tab and Backtab
  69 bool ShortcutLineEdit::event(QEvent* e)
  70 {
  71         if (e->type() == QEvent::ShortcutOverride)
  72                 return false;
  73
  74         if (e->type() == QEvent::KeyPress) {
  75                 keyPressEvent(static_cast<QKeyEvent *>(e));
  76                 return true;
  77         }
  78
  79         return QLineEdit::event(e);
  80 }
  81
  82
  83 QString const SearchLineEdit::hintMessage()
  84 {
  85         return toqstr("Search ...");
  86 }
  87
  88
  89 void SearchLineEdit::focusInEvent(QFocusEvent * e)
  90 {
  91         if (text() == hintMessage())
  92                 clear();
  93 }
  94
  95
  96 void SearchLineEdit::focusOutEvent(QFocusEvent * e)
  97 {
  98         if (text().isEmpty())
  99                 setText(hintMessage());
 100 }
 101
 102
 103 #include "CustomizedWidgets_moc.cpp"