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101 lines
3.0 KiB
101 lines
3.0 KiB
#include "uibutton.h"
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#include <framework/graphics/borderimage.h>
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#include <framework/graphics/font.h>
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#include <framework/otml/otmlnode.h>
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#include <framework/luascript/luainterface.h>
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#include <framework/graphics/graphics.h>
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UIButton::UIButton(): UIWidget(UITypeButton)
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{
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m_state = ButtonUp;
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// by default, all callbacks call lua fields
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m_onClick = [this]() { this->callLuaField("onClick"); };
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}
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UIButtonPtr UIButton::create()
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{
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UIButtonPtr button(new UIButton);
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button->setStyle("Button");
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return button;
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}
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void UIButton::loadStyleFromOTML(const OTMLNodePtr& styleNode)
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{
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UIWidget::loadStyleFromOTML(styleNode);
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for(int i=0; i<3; ++i) {
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m_statesStyle[i].image = m_image;
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m_statesStyle[i].color = m_backgroundColor;
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m_statesStyle[i].foregroundColor = m_foregroundColor;
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m_statesStyle[i].textTranslate = Point(0,0);
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}
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if(OTMLNodePtr node = styleNode->get("state.up"))
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loadStateStyle(m_statesStyle[ButtonUp], node);
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if(OTMLNodePtr node = styleNode->get("state.hover"))
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loadStateStyle(m_statesStyle[ButtonHover], node);
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if(OTMLNodePtr node = styleNode->get("state.down"))
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loadStateStyle(m_statesStyle[ButtonDown], node);
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m_text = styleNode->valueAt("text", fw::empty_string);
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if(OTMLNodePtr node = styleNode->get("onClick")) {
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g_lua.loadFunction(node->value(), "@" + node->source() + "[" + node->tag() + "]");
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luaSetField(node->tag());
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}
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}
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void UIButton::loadStateStyle(ButtonStateStyle& stateStyle, const OTMLNodePtr& stateStyleNode)
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{
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if(OTMLNodePtr node = stateStyleNode->get("border-image"))
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stateStyle.image = BorderImage::loadFromOTML(node);
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if(OTMLNodePtr node = stateStyleNode->get("image"))
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stateStyle.image = Image::loadFromOTML(node);
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stateStyle.textTranslate = stateStyleNode->valueAt("text-translate", Point());
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stateStyle.color = stateStyleNode->valueAt("font-color", m_foregroundColor);
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stateStyle.color = stateStyleNode->valueAt("color", m_backgroundColor);
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}
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void UIButton::render()
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{
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UIWidget::render();
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const ButtonStateStyle& currentStyle = m_statesStyle[m_state];
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Rect textRect = getGeometry();
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if(currentStyle.image) {
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g_graphics.bindColor(currentStyle.color);
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currentStyle.image->draw(textRect);
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}
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textRect.translate(currentStyle.textTranslate);
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m_font->renderText(m_text, textRect, AlignCenter, currentStyle.foregroundColor);
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}
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void UIButton::onHoverChange(UIHoverEvent& event)
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{
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if(event.mouseEnter() && m_state == ButtonUp)
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m_state = ButtonHover;
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else if(m_state == ButtonHover)
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m_state = ButtonUp;
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}
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void UIButton::onMousePress(UIMouseEvent& event)
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{
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if(event.button() == MouseLeftButton) {
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m_state = ButtonDown;
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} else
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event.ignore();
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}
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void UIButton::onMouseRelease(UIMouseEvent& event)
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{
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if(m_state == ButtonDown) {
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if(m_onClick && getGeometry().contains(event.pos()))
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m_onClick();
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m_state = (isHovered() && isEnabled()) ? ButtonHover : ButtonUp;
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} else
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event.ignore();
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}
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