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121 lines
3.8 KiB
121 lines
3.8 KiB
/*
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* Copyright (c) 2010-2012 OTClient <https://github.com/edubart/otclient>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "uiwidget.h"
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#include "uitranslator.h"
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#include <framework/graphics/fontmanager.h>
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#include <framework/graphics/painter.h>
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#include <framework/graphics/framebuffer.h>
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void UIWidget::initText()
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{
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m_font = g_fonts.getDefaultFont();
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m_textAlign = Fw::AlignCenter;
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}
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void UIWidget::parseTextStyle(const OTMLNodePtr& styleNode)
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{
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for(const OTMLNodePtr& node : styleNode->children()) {
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if(node->tag() == "text")
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setText(node->value());
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else if(node->tag() == "text-align")
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setTextAlign(Fw::translateAlignment(node->value()));
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else if(node->tag() == "text-offset")
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setTextOffset(node->value<Point>());
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else if(node->tag() == "font")
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setFont(node->value());
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}
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}
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void UIWidget::drawText(const Rect& screenCoords)
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{
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if(m_text.length() == 0 || m_color.a() == 0)
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return;
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Size boxSize = screenCoords.size();
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if(boxSize != m_textCachedBoxSize || m_textMustRecache) {
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if(!m_textFramebuffer)
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m_textFramebuffer = FrameBufferPtr(new FrameBuffer(boxSize));
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else
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m_textFramebuffer->resize(boxSize);
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m_textFramebuffer->bind();
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Rect virtualTextRect(0, 0, boxSize);
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virtualTextRect.translate(m_textOffset);
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g_painter.setCompositionMode(Painter::CompositionMode_DestBlending);
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m_font->renderText(m_text, virtualTextRect, m_textAlign, Fw::white);
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g_painter.resetCompositionMode();
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m_textFramebuffer->release();
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m_textMustRecache = false;
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m_textCachedBoxSize = boxSize;
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}
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g_painter.setColor(m_color);
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m_textFramebuffer->draw(screenCoords);
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}
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void UIWidget::onTextChange(const std::string& text, const std::string& oldText)
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{
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callLuaField("onTextChange", text, oldText);
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}
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void UIWidget::onFontChange(const std::string& font)
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{
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callLuaField("onFontChange", font);
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}
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void UIWidget::wrapText()
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{
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setText(m_font->wrapText(m_text, getWidth() - m_textOffset.x));
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}
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void UIWidget::setText(const std::string& text)
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{
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if(m_text == text)
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return;
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std::string oldText = m_text;
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m_text = text;
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// update rect size
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if(!m_rect.isValid()) {
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Size textSize = m_font->calculateTextRectSize(m_text);
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Size newSize = getSize();
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if(newSize.width() <= 0)
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newSize.setWidth(textSize.width());
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if(newSize.height() <= 0)
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newSize.setHeight(textSize.height());
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setSize(newSize);
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}
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onTextChange(text, oldText);
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m_textMustRecache = true;
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}
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void UIWidget::setFont(const std::string& fontName)
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{
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m_font = g_fonts.getFont(fontName);
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onFontChange(fontName);
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m_textMustRecache = true;
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}
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