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-rw-r--r--src/guichan/widgets/textfield.cpp272
1 files changed, 0 insertions, 272 deletions
diff --git a/src/guichan/widgets/textfield.cpp b/src/guichan/widgets/textfield.cpp
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--- a/src/guichan/widgets/textfield.cpp
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-/* _______ __ __ __ ______ __ __ _______ __ __
- * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\
- * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
- * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / /
- * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / /
- * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
- * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
- *
- * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson
- *
- *
- * Per Larsson a.k.a finalman
- * Olof Naessén a.k.a jansem/yakslem
- *
- * Visit: http://guichan.sourceforge.net
- *
- * License: (BSD)
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * 3. Neither the name of Guichan nor the names of its contributors may
- * be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
- * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-/*
- * For comments regarding functions please see the header file.
- */
-
-#include "guichan/widgets/textfield.hpp"
-
-#include "guichan/font.hpp"
-#include "guichan/graphics.hpp"
-#include "guichan/key.hpp"
-#include "guichan/mouseinput.hpp"
-
-#include "debug.h"
-
-namespace gcn
-{
- TextField::TextField()
- {
- mCaretPosition = 0;
- mXScroll = 0;
-
- setFocusable(true);
-
- addMouseListener(this);
- addKeyListener(this);
- }
-
- TextField::TextField(const std::string& text)
- {
- mCaretPosition = 0;
- mXScroll = 0;
-
- mText = text;
- adjustSize();
-
- setFocusable(true);
-
- addMouseListener(this);
- addKeyListener(this);
- }
-
- void TextField::setText(const std::string& text)
- {
- if (text.size() < mCaretPosition)
- mCaretPosition = text.size();
-
- mText = text;
- }
-
- void TextField::draw(Graphics* graphics)
- {
- Color faceColor = getBaseColor();
- Color highlightColor, shadowColor;
- int alpha = getBaseColor().a;
- highlightColor = faceColor + 0x303030;
- highlightColor.a = alpha;
- shadowColor = faceColor - 0x303030;
- shadowColor.a = alpha;
-
- // Draw a border.
- graphics->setColor(shadowColor);
- graphics->drawLine(0, 0, getWidth() - 1, 0);
- graphics->drawLine(0, 1, 0, getHeight() - 2);
- graphics->setColor(highlightColor);
- graphics->drawLine(getWidth() - 1, 1, getWidth() - 1, getHeight() - 1);
- graphics->drawLine(0, getHeight() - 1,
- getWidth() - 1, getHeight() - 1);
-
- // Push a clip area so the other drawings don't need to worry
- // about the border.
- graphics->pushClipArea(Rectangle(1, 1,
- getWidth() - 2, getHeight() - 2));
-
- graphics->setColor(getBackgroundColor());
- graphics->fillRectangle(Rectangle(0, 0, getWidth(), getHeight()));
-
- if (isFocused())
- {
- graphics->setColor(getSelectionColor());
- graphics->drawRectangle(Rectangle(0, 0,
- getWidth() - 2, getHeight() - 2));
- graphics->drawRectangle(Rectangle(1, 1,
- getWidth() - 4, getHeight() - 4));
- }
-
- if (isFocused())
- {
- drawCaret(graphics, getFont()->getWidth(
- mText.substr(0, mCaretPosition)) - mXScroll);
- }
-
- graphics->setColor(getForegroundColor());
- graphics->setFont(getFont());
- graphics->drawText(mText, 3 - mXScroll, 1);
-
- graphics->popClipArea();
- }
-
- void TextField::drawCaret(Graphics* graphics, int x)
- {
- // Check the current clip area as a clip area with a different
- // size than the widget might have been pushed (which is the
- // case in the draw method when we push a clip area after we have
- // drawn a border).
- const Rectangle clipArea = graphics->getCurrentClipArea();
-
- graphics->setColor(getForegroundColor());
- graphics->drawLine(x, clipArea.height - 2, x, 1);
- }
-
- void TextField::mousePressed(MouseEvent& mouseEvent)
- {
- if (mouseEvent.getButton() == MouseEvent::LEFT)
- {
- mCaretPosition = getFont()->getStringIndexAt(
- mText, mouseEvent.getX() + mXScroll);
- fixScroll();
- }
- }
-
- void TextField::mouseDragged(MouseEvent& mouseEvent)
- {
- mouseEvent.consume();
- }
-
- void TextField::keyPressed(KeyEvent& keyEvent)
- {
- Key key = keyEvent.getKey();
-
- if (key.getValue() == Key::LEFT && mCaretPosition > 0)
- {
- --mCaretPosition;
- }
- else if (key.getValue() == Key::RIGHT && mCaretPosition < mText.size())
- {
- ++mCaretPosition;
- }
- else if (key.getValue() == Key::DELETE
- && mCaretPosition < mText.size())
- {
- mText.erase(mCaretPosition, 1);
- }
- else if (key.getValue() == Key::BACKSPACE && mCaretPosition > 0)
- {
- mText.erase(mCaretPosition - 1, 1);
- --mCaretPosition;
- }
- else if (key.getValue() == Key::ENTER)
- {
- distributeActionEvent();
- }
- else if (key.getValue() == Key::HOME)
- {
- mCaretPosition = 0;
- }
- else if (key.getValue() == Key::END)
- {
- mCaretPosition = mText.size();
- }
- else if (key.isCharacter()
- && key.getValue() != Key::TAB)
- {
- mText.insert(mCaretPosition, std::string(1, (char)key.getValue()));
- ++mCaretPosition;
- }
-
- if (key.getValue() != Key::TAB)
- keyEvent.consume();
-
- fixScroll();
- }
-
- void TextField::adjustSize()
- {
- setWidth(getFont()->getWidth(mText) + 7);
- adjustHeight();
-
- fixScroll();
- }
-
- void TextField::adjustHeight()
- {
- setHeight(getFont()->getHeight() + 4);
- }
-
- void TextField::fixScroll()
- {
- if (isFocused())
- {
- int caretX = getFont()->getWidth(mText.substr(0, mCaretPosition));
-
- if (caretX - mXScroll >= getWidth() - 4)
- {
- mXScroll = caretX - getWidth() + 4;
- }
- else if (caretX - mXScroll <= 0)
- {
- mXScroll = caretX - getWidth() / 2;
-
- if (mXScroll < 0)
- mXScroll = 0;
- }
- }
- }
-
- void TextField::setCaretPosition(unsigned int position)
- {
- if (position > mText.size())
- mCaretPosition = mText.size();
- else
- mCaretPosition = position;
-
- fixScroll();
- }
-
- unsigned int TextField::getCaretPosition() const
- {
- return mCaretPosition;
- }
-
- const std::string& TextField::getText() const
- {
- return mText;
- }
-
- void TextField::fontChanged()
- {
- fixScroll();
- }
-}