Shamusworld >> Repos - architektonas/blob - src/widgets/commandedit.cpp

   1 // commandedit.cpp
   2 //
   3 // Part of the Architektonas Project
   4 // Originally part of QCad Community Edition by Andrew Mustun
   5 // Extensively rewritten and refactored by James L. Hammons
   6 // Portions copyright (C) 2001-2003 RibbonSoft
   7 // Copyright (C) 2010 Underground Software
   8 // See the README and GPLv2 files for licensing and warranty information
   9 //
  10 // JLH = James L. Hammons <jlhamm@acm.org>
  11 //
  12 // Who  When        What
  13 // ---  ----------  -----------------------------------------------------------
  14 // JLH  05/22/2010  Added this text. :-)
  15 //
  16
  17 #include "commandedit.h"
  18
  19 #include "rs_debug.h"
  20
  21 /**
  22  * Default Constructor. You must call init manually if you choose
  23  * to use this constructor.
  24  */
  25 QG_CommandEdit::QG_CommandEdit(QWidget * parent, const char */*name*/):
  26 //      QLineEdit(parent, name)
  27         QLineEdit(parent)
  28 {
  29 }
  30
  31 /**
  32  * Destructor
  33  */
  34 QG_CommandEdit::~QG_CommandEdit()
  35 {
  36         it = 0;
  37 }
  38
  39 /**
  40  * Bypass for key press events from the tab key.
  41  */
  42 bool QG_CommandEdit::event(QEvent * e)
  43 {
  44         if (e->type() == QEvent::KeyPress)
  45         {
  46                 QKeyEvent * k = (QKeyEvent *)e;
  47
  48                 if (k->key() == Qt::Key_Tab)
  49                 {
  50                         emit tabPressed();
  51                         return true;
  52                 }
  53         }
  54
  55         return QLineEdit::event(e);
  56 }
  57
  58 /**
  59  * History (arrow key up/down) support, tab.
  60  */
  61 void QG_CommandEdit::keyPressEvent(QKeyEvent * e)
  62 {
  63         switch (e->key())
  64         {
  65         case Qt::Key_Up:
  66 #warning "!!! URG !!!"
  67 //              if (it != historyList.begin() && it != 0)
  68                 if (it != historyList.begin())// && it != 0)
  69                 {
  70                         it--;
  71                         setText(*it);
  72                 }
  73                 break;
  74
  75         case Qt::Key_Down:
  76 #warning "!!! URG !!!"
  77 //              if (it != historyList.end() && it != 0)
  78                 if (it != historyList.end())// && it != 0)
  79                 {
  80                         it++;
  81
  82                         if (it != historyList.end())
  83                                 setText(*it);
  84                         else
  85                                 setText("");
  86                 }
  87                 break;
  88
  89         case Qt::Key_Return:
  90                 historyList.append(text());
  91                 it = historyList.end();
  92                 QLineEdit::keyPressEvent(e);
  93                 break;
  94
  95         case Qt::Key_Escape:
  96                 if (text().isEmpty())
  97                         emit escape();
  98                 else
  99                         setText("");
 100                 break;
 101
 102         default:
 103                 QLineEdit::keyPressEvent(e);
 104                 break;
 105         }
 106 }
 107
 108 void QG_CommandEdit::focusInEvent(QFocusEvent * e)
 109 {
 110         emit focusIn();
 111         QLineEdit::focusInEvent(e);
 112 }
 113
 114
 115 void QG_CommandEdit::focusOutEvent(QFocusEvent * e)
 116 {
 117         emit focusOut();
 118         QLineEdit::focusOutEvent(e);
 119 }
 120