diff options
Diffstat (limited to 'src/gui/widgets/textbox.cpp')
| -rw-r--r-- | src/gui/widgets/textbox.cpp | 245 |
1 files changed, 242 insertions, 3 deletions
diff --git a/src/gui/widgets/textbox.cpp b/src/gui/widgets/textbox.cpp index a1ce0e61d..a00d0ccf8 100644 --- a/src/gui/widgets/textbox.cpp +++ b/src/gui/widgets/textbox.cpp @@ -20,6 +20,49 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * 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. + */ + #include "gui/widgets/textbox.h" #include "events/keyevent.h" @@ -34,9 +77,23 @@ #include "debug.h" TextBox::TextBox(const Widget2 *const widget) : - gcn::TextBox(widget), - mMinWidth(getWidth()) + Widget(widget), + MouseListener(), + KeyListener(), + mTextRows(), + mCaretColumn(0), + mCaretRow(0), + mMinWidth(getWidth()), + mEditable(true), + mOpaque(true) { + setText(""); + setFocusable(true); + + addMouseListener(this); + addKeyListener(this); + adjustSize(); + mForegroundColor = getThemeColor(Theme::TEXTBOX); setOpaque(false); setFrameSize(0); @@ -163,7 +220,33 @@ void TextBox::setTextWrapped(const std::string &text, const int minDimension) mMinWidth = minWidth; - gcn::TextBox::setText(wrappedStream.str()); + setText(wrappedStream.str()); +} + +void TextBox::setText(const std::string& text) +{ + mCaretColumn = 0; + mCaretRow = 0; + + mTextRows.clear(); + + size_t pos; + size_t lastPos = 0; + int length; + do + { + pos = text.find("\n", lastPos); + + if (pos != std::string::npos) + length = static_cast<int>(pos - lastPos); + else + length = static_cast<int>(text.size() - lastPos); + std::string sub = text.substr(lastPos, length); + mTextRows.push_back(sub); + lastPos = pos + 1; + } while (pos != std::string::npos); + + adjustSize(); } void TextBox::keyPressed(KeyEvent& keyEvent) @@ -391,3 +474,159 @@ void TextBox::setForegroundColorAll(const Color &color1, mForegroundColor = color1; mForegroundColor2 = color2; } + +std::string TextBox::getText() const +{ + if (mTextRows.empty()) + return std::string(""); + + int i; + std::string text; + + const int sz = static_cast<int>(mTextRows.size()); + for (i = 0; i < sz - 1; ++ i) + text.append(mTextRows[i]).append("\n"); + text.append(mTextRows[i]); + + return text; +} + +void TextBox::setTextRow(const int row, const std::string& text) +{ + mTextRows[row] = text; + + if (mCaretRow == row) + setCaretColumn(mCaretColumn); + + adjustSize(); +} + +void TextBox::setCaretPosition(unsigned int position) +{ + for (int row = 0, sz = static_cast<int>(mTextRows.size()); + row < sz; row ++) + { + if (position <= mTextRows[row].size()) + { + mCaretRow = row; + mCaretColumn = position; + return; // we are done + } + else + { + position--; + } + } + + // position beyond end of text + mCaretRow = static_cast<int>(mTextRows.size() - 1); + mCaretColumn = static_cast<int>(mTextRows[mCaretRow].size()); +} + +void TextBox::setCaretRow(const int row) +{ + mCaretRow = row; + + const int sz = static_cast<int>(mTextRows.size()); + if (mCaretRow >= sz) + mCaretRow = sz - 1; + + if (mCaretRow < 0) + mCaretRow = 0; + + setCaretColumn(mCaretColumn); +} + +unsigned int TextBox::getCaretPosition() const +{ + int pos = 0, row; + + for (row = 0; row < mCaretRow; row++) + pos += static_cast<int>(mTextRows[row].size()); + + return pos + mCaretColumn; +} + +void TextBox::setCaretColumn(const int column) +{ + mCaretColumn = column; + + const int sz = static_cast<int>(mTextRows[mCaretRow].size()); + if (mCaretColumn > sz) + mCaretColumn = sz; + + if (mCaretColumn < 0) + mCaretColumn = 0; +} + +void TextBox::setCaretRowColumn(const int row, const int column) +{ + setCaretRow(row); + setCaretColumn(column); +} + +void TextBox::scrollToCaret() +{ + Rect scroll; + Font *const font = getFont(); + scroll.x = font->getWidth( + mTextRows[mCaretRow].substr(0, mCaretColumn)); + scroll.y = font->getHeight() * mCaretRow; + scroll.width = font->getWidth(" "); + + // add 2 for some extra space + scroll.height = font->getHeight() + 2; + + showPart(scroll); +} + +void TextBox::addRow(const std::string &row) +{ + mTextRows.push_back(row); + adjustSize(); +} + +void TextBox::mousePressed(MouseEvent& mouseEvent) +{ + if (mouseEvent.getButton() == MouseEvent::LEFT) + { + const int height = getFont()->getHeight(); + if (!height) + return; + + mCaretRow = mouseEvent.getY() / height; + + const int sz = static_cast<int>(mTextRows.size()); + if (mCaretRow >= sz) + mCaretRow = sz - 1; + + mCaretColumn = getFont()->getStringIndexAt( + mTextRows[mCaretRow], mouseEvent.getX()); + } +} + +void TextBox::mouseDragged(MouseEvent& mouseEvent) +{ + mouseEvent.consume(); +} + +void TextBox::drawCaret(Graphics *const graphics, const int x, const int y) +{ + graphics->setColor(mForegroundColor); + graphics->drawLine(x, getFont()->getHeight() + y, x, y); +} + +void TextBox::adjustSize() +{ + int width = 0; + Font *const font = getFont(); + for (size_t i = 0, sz = mTextRows.size(); i < sz; ++i) + { + const int w = font->getWidth(mTextRows[i]); + if (width < w) + width = w; + } + + setWidth(width + 1); + setHeight(static_cast<int>(font->getHeight() * mTextRows.size())); +} |