use boundFunction from tools
[enigma2.git] / lib / gui / elabel.cpp
index e69de29..17239fb 100644 (file)
@@ -0,0 +1,120 @@
+#include <lib/gui/elabel.h>
+#include <lib/gdi/font.h>
+
+eLabel::eLabel(eWidget *parent): eWidget(parent)
+{
+       ePtr<eWindowStyle> style;
+       getStyle(style);
+       
+       style->getFont(eWindowStyle::fontStatic, m_font);
+       
+               /* default to topleft alignment */
+       m_valign = alignTop;
+       m_halign = alignLeft;
+       
+       m_have_foreground_color = 0;
+}
+
+int eLabel::event(int event, void *data, void *data2)
+{
+       switch (event)
+       {
+       case evtPaint:
+       {
+               ePtr<eWindowStyle> style;
+               
+               getStyle(style);
+               
+               eWidget::event(event, data, data2);
+
+               gPainter &painter = *(gPainter*)data2;
+               painter.setFont(m_font);
+               style->setStyle(painter, eWindowStyle::styleLabel);
+               
+               if (m_have_foreground_color)
+                       painter.setForegroundColor(m_foreground_color);
+               
+               int flags = 0;
+               if (m_valign == alignTop)
+                       flags |= gPainter::RT_VALIGN_TOP;
+               else if (m_valign == alignCenter)
+                       flags |= gPainter::RT_VALIGN_CENTER;
+               else if (m_valign == alignBottom)
+                       flags |= gPainter::RT_VALIGN_BOTTOM;
+
+               if (m_halign == alignLeft)
+                       flags |= gPainter::RT_HALIGN_LEFT;
+               else if (m_halign == alignCenter)
+                       flags |= gPainter::RT_HALIGN_CENTER;
+               else if (m_halign == alignRight)
+                       flags |= gPainter::RT_HALIGN_RIGHT;
+               else if (m_halign == alignBlock)
+                       flags |= gPainter::RT_HALIGN_BLOCK;
+               
+               flags |= gPainter::RT_WRAP;
+               painter.renderText(eRect(0, 0, size().width(), size().height()), m_text, flags);
+               
+               return 0;
+       }
+       case evtChangedFont:
+       case evtChangedText:
+       case evtChangedAlignment:
+               invalidate();
+               return 0;
+       default:
+               return eWidget::event(event, data, data2);
+       }
+}
+
+void eLabel::setText(const std::string &string)
+{
+       if (m_text == string)
+               return;
+       m_text = string;
+       event(evtChangedText);
+}
+
+void eLabel::setFont(gFont *font)
+{
+       m_font = font;
+       event(evtChangedFont);
+}
+
+gFont* eLabel::getFont()
+{
+       return m_font;
+}
+
+void eLabel::setVAlign(int align)
+{
+       m_valign = align;
+       event(evtChangedAlignment);
+}
+
+void eLabel::setHAlign(int align)
+{
+       m_halign = align;
+       event(evtChangedAlignment);
+}
+
+void eLabel::setForegroundColor(const gRGB &col)
+{
+       m_foreground_color = col;
+       m_have_foreground_color = 1;
+}
+
+void eLabel::clearForegroundColor()
+{
+       m_have_foreground_color = 0;
+}
+
+eSize eLabel::calculateSize()
+{
+       ePtr<eTextPara> p = new eTextPara(eRect(0, 0, size().width(), size().height()));
+       
+       p->setFont(m_font);
+       p->renderString(m_text, RS_WRAP);
+       
+       eRect bbox = p->getBoundBox();
+       return bbox.size();
+}