mirror of
https://github.com/Oibaf66/frodo-wii.git
synced 2024-12-02 16:34:23 +01:00
518 lines
13 KiB
C++
518 lines
13 KiB
C++
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/* _______ __ __ __ ______ __ __ _______ __ __
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* / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\
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* / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
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* / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / /
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* / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / /
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* /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
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* \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
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*
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* Copyright (c) 2004 - 2008 Olof Naess<EFBFBD>n and Per Larsson
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*
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*
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* Per Larsson a.k.a finalman
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* Olof Naess<EFBFBD>n a.k.a jansem/yakslem
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*
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* Visit: http://guichan.sourceforge.net
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*
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* License: (BSD)
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name of Guichan nor the names of its contributors may
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* be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* For comments regarding functions please see the header file.
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*/
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#include "guichan/widgets/textbox.hpp"
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#include "guichan/basiccontainer.hpp"
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#include "guichan/font.hpp"
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#include "guichan/graphics.hpp"
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#include "guichan/key.hpp"
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#include "guichan/mouseinput.hpp"
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namespace gcn
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{
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TextBox::TextBox()
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{
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mCaretColumn = 0;
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mCaretRow = 0;
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mEditable = true;
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mOpaque = true;
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setText("");
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setFocusable(true);
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addMouseListener(this);
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addKeyListener(this);
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adjustSize();
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}
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TextBox::TextBox(const std::string& text)
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{
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mCaretColumn = 0;
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mCaretRow = 0;
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mEditable = true;
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mOpaque = true;
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setText(text);
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setFocusable(true);
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addMouseListener(this);
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addKeyListener(this);
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adjustSize();
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}
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void TextBox::setText(const std::string& text)
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{
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mCaretColumn = 0;
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mCaretRow = 0;
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mTextRows.clear();
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std::string::size_type pos, lastPos = 0;
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int length;
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do
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{
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pos = text.find("\n", lastPos);
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if (pos != std::string::npos)
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{
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length = pos - lastPos;
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}
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else
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{
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length = text.size() - lastPos;
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}
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std::string sub = text.substr(lastPos, length);
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mTextRows.push_back(sub);
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lastPos = pos + 1;
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} while (pos != std::string::npos);
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adjustSize();
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}
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void TextBox::draw(Graphics* graphics)
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{
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unsigned int i;
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if (mOpaque)
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{
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graphics->setColor(getBackgroundColor());
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graphics->fillRectangle(Rectangle(0, 0, getWidth(), getHeight()));
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}
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if (isFocused() && isEditable())
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{
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drawCaret(graphics, getFont()->getWidth(mTextRows[mCaretRow].substr(0, mCaretColumn)), mCaretRow * getFont()->getHeight());
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}
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graphics->setColor(getForegroundColor());
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graphics->setFont(getFont());
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for (i = 0; i < mTextRows.size(); i++)
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{
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// Move the text one pixel so we can have a caret before a letter.
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graphics->drawText(mTextRows[i], 1, i * getFont()->getHeight());
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}
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}
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void TextBox::drawCaret(Graphics* graphics, int x, int y)
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{
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graphics->setColor(getForegroundColor());
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graphics->drawLine(x, getFont()->getHeight() + y, x, y);
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}
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void TextBox::mousePressed(MouseEvent& mouseEvent)
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{
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if (mouseEvent.getButton() == MouseEvent::LEFT)
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{
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mCaretRow = mouseEvent.getY() / getFont()->getHeight();
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if (mCaretRow >= (int)mTextRows.size())
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{
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mCaretRow = mTextRows.size() - 1;
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}
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mCaretColumn = getFont()->getStringIndexAt(mTextRows[mCaretRow], mouseEvent.getX());
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}
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}
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void TextBox::mouseDragged(MouseEvent& mouseEvent)
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{
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mouseEvent.consume();
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}
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void TextBox::keyPressed(KeyEvent& keyEvent)
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{
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Key key = keyEvent.getKey();
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if (key.getValue() == Key::LEFT)
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{
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--mCaretColumn;
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if (mCaretColumn < 0)
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{
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--mCaretRow;
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if (mCaretRow < 0)
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{
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mCaretRow = 0;
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mCaretColumn = 0;
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}
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else
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{
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mCaretColumn = mTextRows[mCaretRow].size();
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}
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}
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}
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else if (key.getValue() == Key::RIGHT)
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{
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++mCaretColumn;
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if (mCaretColumn > (int)mTextRows[mCaretRow].size())
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{
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++mCaretRow;
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if (mCaretRow >= (int)mTextRows.size())
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{
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mCaretRow = mTextRows.size() - 1;
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if (mCaretRow < 0)
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{
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mCaretRow = 0;
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}
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mCaretColumn = mTextRows[mCaretRow].size();
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}
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else
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{
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mCaretColumn = 0;
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}
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}
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}
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else if (key.getValue() == Key::DOWN)
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{
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setCaretRow(mCaretRow + 1);
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}
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else if (key.getValue() == Key::UP)
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{
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setCaretRow(mCaretRow - 1);
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}
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else if (key.getValue() == Key::HOME)
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{
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mCaretColumn = 0;
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}
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else if (key.getValue() == Key::END)
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{
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mCaretColumn = mTextRows[mCaretRow].size();
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}
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else if (key.getValue() == Key::ENTER && mEditable)
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{
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mTextRows.insert(mTextRows.begin() + mCaretRow + 1,
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mTextRows[mCaretRow].substr(mCaretColumn, mTextRows[mCaretRow].size() - mCaretColumn));
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mTextRows[mCaretRow].resize(mCaretColumn);
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++mCaretRow;
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mCaretColumn = 0;
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}
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else if (key.getValue() == Key::BACKSPACE
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&& mCaretColumn != 0
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&& mEditable)
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{
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mTextRows[mCaretRow].erase(mCaretColumn - 1, 1);
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--mCaretColumn;
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}
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else if (key.getValue() == Key::BACKSPACE
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&& mCaretColumn == 0
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&& mCaretRow != 0
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&& mEditable)
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{
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mCaretColumn = mTextRows[mCaretRow - 1].size();
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mTextRows[mCaretRow - 1] += mTextRows[mCaretRow];
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mTextRows.erase(mTextRows.begin() + mCaretRow);
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--mCaretRow;
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}
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else if (key.getValue() == Key::DELETE
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&& mCaretColumn < (int)mTextRows[mCaretRow].size()
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&& mEditable)
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{
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mTextRows[mCaretRow].erase(mCaretColumn, 1);
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}
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else if (key.getValue() == Key::DELETE
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&& mCaretColumn == (int)mTextRows[mCaretRow].size()
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&& mCaretRow < ((int)mTextRows.size() - 1)
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&& mEditable)
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{
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mTextRows[mCaretRow] += mTextRows[mCaretRow + 1];
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mTextRows.erase(mTextRows.begin() + mCaretRow + 1);
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}
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else if(key.getValue() == Key::PAGE_UP)
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{
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Widget* par = getParent();
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if (par != NULL)
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{
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int rowsPerPage = par->getChildrenArea().height / getFont()->getHeight();
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mCaretRow -= rowsPerPage;
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if (mCaretRow < 0)
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{
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mCaretRow = 0;
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}
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}
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}
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else if(key.getValue() == Key::PAGE_DOWN)
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{
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Widget* par = getParent();
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if (par != NULL)
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{
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int rowsPerPage = par->getChildrenArea().height / getFont()->getHeight();
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mCaretRow += rowsPerPage;
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if (mCaretRow >= (int)mTextRows.size())
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{
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mCaretRow = mTextRows.size() - 1;
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}
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}
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}
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else if(key.getValue() == Key::TAB
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&& mEditable)
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{
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mTextRows[mCaretRow].insert(mCaretColumn,std::string(" "));
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mCaretColumn += 4;
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}
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else if (key.isCharacter()
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&& mEditable)
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{
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mTextRows[mCaretRow].insert(mCaretColumn,std::string(1,(char)key.getValue()));
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++mCaretColumn;
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}
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adjustSize();
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scrollToCaret();
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keyEvent.consume();
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}
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void TextBox::adjustSize()
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{
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unsigned int i;
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int width = 0;
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for (i = 0; i < mTextRows.size(); ++i)
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{
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int w = getFont()->getWidth(mTextRows[i]);
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if (width < w)
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{
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width = w;
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}
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}
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setWidth(width + 1);
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setHeight(getFont()->getHeight() * mTextRows.size());
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}
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void TextBox::setCaretPosition(unsigned int position)
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{
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int row;
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for (row = 0; row < (int)mTextRows.size(); row++)
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{
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if (position <= mTextRows[row].size())
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{
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mCaretRow = row;
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mCaretColumn = position;
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return; // we are done
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}
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else
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{
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position--;
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}
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}
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// position beyond end of text
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mCaretRow = mTextRows.size() - 1;
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mCaretColumn = mTextRows[mCaretRow].size();
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}
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unsigned int TextBox::getCaretPosition() const
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{
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int pos = 0, row;
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for (row = 0; row < mCaretRow; row++)
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{
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|
pos += mTextRows[row].size();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return pos + mCaretColumn;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void TextBox::setCaretRowColumn(int row, int column)
|
|||
|
|
{
|
|||
|
|
setCaretRow(row);
|
|||
|
|
setCaretColumn(column);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void TextBox::setCaretRow(int row)
|
|||
|
|
{
|
|||
|
|
mCaretRow = row;
|
|||
|
|
|
|||
|
|
if (mCaretRow >= (int)mTextRows.size())
|
|||
|
|
{
|
|||
|
|
mCaretRow = mTextRows.size() - 1;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (mCaretRow < 0)
|
|||
|
|
{
|
|||
|
|
mCaretRow = 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
setCaretColumn(mCaretColumn);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
unsigned int TextBox::getCaretRow() const
|
|||
|
|
{
|
|||
|
|
return mCaretRow;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void TextBox::setCaretColumn(int column)
|
|||
|
|
{
|
|||
|
|
mCaretColumn = column;
|
|||
|
|
|
|||
|
|
if (mCaretColumn > (int)mTextRows[mCaretRow].size())
|
|||
|
|
{
|
|||
|
|
mCaretColumn = mTextRows[mCaretRow].size();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (mCaretColumn < 0)
|
|||
|
|
{
|
|||
|
|
mCaretColumn = 0;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
unsigned int TextBox::getCaretColumn() const
|
|||
|
|
{
|
|||
|
|
return mCaretColumn;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
const std::string& TextBox::getTextRow(int row) const
|
|||
|
|
{
|
|||
|
|
return mTextRows[row];
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void TextBox::setTextRow(int row, const std::string& text)
|
|||
|
|
{
|
|||
|
|
mTextRows[row] = text;
|
|||
|
|
|
|||
|
|
if (mCaretRow == row)
|
|||
|
|
{
|
|||
|
|
setCaretColumn(mCaretColumn);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
adjustSize();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
unsigned int TextBox::getNumberOfRows() const
|
|||
|
|
{
|
|||
|
|
return mTextRows.size();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
std::string TextBox::getText() const
|
|||
|
|
{
|
|||
|
|
if (mTextRows.size() == 0)
|
|||
|
|
{
|
|||
|
|
return std::string("");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
int i;
|
|||
|
|
std::string text;
|
|||
|
|
|
|||
|
|
for (i = 0; i < (int)mTextRows.size() - 1; ++i)
|
|||
|
|
{
|
|||
|
|
text = text + mTextRows[i] + "\n";
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
text = text + mTextRows[i];
|
|||
|
|
|
|||
|
|
return text;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void TextBox::fontChanged()
|
|||
|
|
{
|
|||
|
|
adjustSize();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void TextBox::scrollToCaret()
|
|||
|
|
{
|
|||
|
|
Rectangle scroll;
|
|||
|
|
scroll.x = getFont()->getWidth(mTextRows[mCaretRow].substr(0, mCaretColumn));
|
|||
|
|
scroll.y = getFont()->getHeight() * mCaretRow;
|
|||
|
|
scroll.width = getFont()->getWidth(" ");
|
|||
|
|
scroll.height = getFont()->getHeight() + 2; // add 2 for some extra space
|
|||
|
|
|
|||
|
|
showPart(scroll);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void TextBox::setEditable(bool editable)
|
|||
|
|
{
|
|||
|
|
mEditable = editable;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
bool TextBox::isEditable() const
|
|||
|
|
{
|
|||
|
|
return mEditable;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void TextBox::addRow(const std::string row)
|
|||
|
|
{
|
|||
|
|
mTextRows.push_back(row);
|
|||
|
|
adjustSize();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
bool TextBox::isOpaque()
|
|||
|
|
{
|
|||
|
|
return mOpaque;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void TextBox::setOpaque(bool opaque)
|
|||
|
|
{
|
|||
|
|
mOpaque = opaque;
|
|||
|
|
}
|
|||
|
|
}
|