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Diffstat (limited to 'plugingui/textedit.cc')
| -rw-r--r-- | plugingui/textedit.cc | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/plugingui/textedit.cc b/plugingui/textedit.cc deleted file mode 100644 index 9688b82..0000000 --- a/plugingui/textedit.cc +++ /dev/null @@ -1,201 +0,0 @@ -/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ -/*************************************************************************** - * lineedit.cc - * - * Tue Oct 21 11:25:26 CEST 2014 - * Copyright 2014 Jonas Suhr Christensen - * jsc@umbraculum.org - ****************************************************************************/ - -/* - * This file is part of DrumGizmo. - * - * DrumGizmo is free software; you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License as published by - * the Free Software Foundation; either version 3 of the License, or - * (at your option) any later version. - * - * DrumGizmo is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public License - * along with DrumGizmo; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - */ -#include "textedit.h" - -#include "painter.h" - -namespace GUI -{ - -TextEdit::TextEdit(Widget* parent) : Widget(parent), scroll(this) -{ - setReadOnly(true); - - scroll.move(width() - 2*x_border - 3, y_border - 1); - scroll.resize(16, 100); - CONNECT(&scroll, valueChangeNotifier, this, &TextEdit::scrolled); -} - -TextEdit::~TextEdit() -{ -} - -void TextEdit::resize(std::size_t width, std::size_t height) -{ - Widget::resize(width, height); - - needs_preprocessing = true; - scroll.move(width - 2*x_border - 3, y_border - 1); - scroll.resize(scroll.width(), std::max((int)height - 2*(y_border - 1), 0)); -} - -void TextEdit::setReadOnly(bool readonly) -{ - this->readonly = readonly; -} - -bool TextEdit::readOnly() -{ - return readonly; -} - -void TextEdit::setText(const std::string& text) -{ - this->text = text; - - needs_preprocessing = true; - redraw(); - textChangedNotifier(); -} - -std::string TextEdit::getText() -{ - return text; -} - -void TextEdit::preprocessText() -{ - std::vector<std::string> lines; - - preprocessed_text.clear(); - std::string text = this->text; - - // Handle tab characters - for(std::size_t i = 0; i < text.length(); ++i) - { - char ch = text.at(i); - if(ch == '\t') - { - text.erase(i, 1); - text.insert(i, 4, ' '); - } - } - - // Handle "\r" - for(std::size_t i = 0; i < text.length(); ++i) - { - char ch = text.at(i); - if(ch == '\r') - { - text.erase(i, 1); - } - } - - // Handle new line characters - std::size_t pos = 0; - do - { - pos = text.find("\n"); - lines.push_back(text.substr(0, pos)); - text = text.substr(pos + 1); - } while(pos != std::string::npos); - - // Wrap long lines - auto const max_width = width() - 2*x_border - 10 - scroll.width(); - for(auto const& line: lines) - { - std::string valid; - std::string current; - for(auto c: line) - { - current += c; - if(c == ' ') - { - valid.append(current.substr(valid.size())); - } - - if(font.textWidth(current) >= max_width) - { - if(valid.empty()) - { - current.pop_back(); - preprocessed_text.push_back(current); - current = c; - } - else - { - current = current.substr(valid.size()); - valid.pop_back(); - preprocessed_text.push_back(valid); - valid.clear(); - } - } - } - preprocessed_text.push_back(current); - } -} - -void TextEdit::repaintEvent(RepaintEvent* repaintEvent) -{ - if(needs_preprocessing) - { - preprocessText(); - } - - Painter p(*this); - - // update values of scroll bar - scroll.setRange(height() / font.textHeight()); - scroll.setMaximum(preprocessed_text.size()); - - if((width() == 0) || (height() == 0)) - { - return; - } - - box.setSize(width(), height()); - p.drawImage(0, 0, box); - p.setColour(Colour(183.0f/255.0f, 219.0f/255.0f, 255.0f/255.0f, 1.0f)); - - int ypos = font.textHeight() + y_border; - - auto scroll_value = scroll.value(); - for(std::size_t i = 0; i < preprocessed_text.size() - scroll_value; ++i) - { - if(i * font.textHeight() >= (height() - y_border - font.textHeight())) - { - break; - } - - auto const& line = preprocessed_text[scroll_value + i]; - p.drawText(x_border, ypos, font, line); - ypos += font.textHeight(); - } -} - -void TextEdit::scrollEvent(ScrollEvent* scrollEvent) -{ - scroll.setValue(scroll.value() + scrollEvent->delta); -} - -void TextEdit::scrolled(int value) -{ - (void)value; - redraw(); -} - -} // GUI:: |