The Mana World: tmw/src/gui/widgets/inttextfield.cpp Source File

00001 /*
00002  *  The Mana World
00003  *  Copyright (C) 2004  The Mana World Development Team
00004  *
00005  *  This file is part of The Mana World.
00006  *
00007  *  This program is free software; you can redistribute it and/or modify
00008  *  it under the terms of the GNU General Public License as published by
00009  *  the Free Software Foundation; either version 2 of the License, or
00010  *  any later version.
00011  *
00012  *  This program is distributed in the hope that it will be useful,
00013  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  *  GNU General Public License for more details.
00016  *
00017  *  You should have received a copy of the GNU General Public License
00018  *  along with this program; if not, write to the Free Software
00019  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00020  */
00021 
00022 #include "gui/widgets/inttextfield.h"
00023 
00024 #include "gui/sdlinput.h"
00025 
00026 #include "utils/stringutils.h"
00027 
00028 IntTextField::IntTextField(int def):
00029     TextField(toString(def)),
00030     mDefault(def),
00031     mValue(def)
00032 {
00033 }
00034 
00035 void IntTextField::keyPressed(gcn::KeyEvent &event)
00036 {
00037     const gcn::Key &key = event.getKey();
00038 
00039     if (key.getValue() == Key::BACKSPACE ||
00040         key.getValue() == Key::DELETE)
00041     {
00042         setText(std::string());
00043         event.consume();
00044     }
00045 
00046     if (!key.isNumber())
00047         return;
00048 
00049     TextField::keyPressed(event);
00050 
00051     std::istringstream s(getText());
00052     int i;
00053     s >> i;
00054     setValue(i);
00055 }
00056 
00057 void IntTextField::setRange(int min, int max)
00058 {
00059     mMin = min;
00060     mMax = max;
00061 
00062     if (mValue < mMin)
00063         mValue = mMin;
00064     else if (mValue > mMax)
00065         mValue = mMax;
00066 
00067     if (mDefault < mMin)
00068         mDefault = mMin;
00069     else if (mDefault > mMax)
00070         mDefault = mMax;
00071 }
00072 
00073 int IntTextField::getValue()
00074 {
00075     return getText().empty() ? mMin : mValue;
00076 }
00077 
00078 void IntTextField::setValue(int i)
00079 {
00080     if (i < mMin)
00081         mValue = mMin;
00082     else if (i > mMax)
00083         mValue = mMax;
00084     else
00085         mValue = i;
00086 
00087     const std::string valStr = toString(mValue);
00088     setText(valStr);
00089     setCaretPosition(valStr.length() + 1);
00090 }
00091 
00092 void IntTextField::setDefaultValue(int value)
00093 {
00094     if (value < mMin)
00095         mDefault = mMin;
00096     else if (value > mMax)
00097         mDefault = mMax;
00098     else
00099         mDefault = value;
00100 }
00101 
00102 void IntTextField::reset()
00103 {
00104     setValue(mDefault);
00105 }