write text support in eCanvas

[enigma2.git] / lib / gui / elabel.cpp

diff --git a/lib/gui/elabel.cpp b/lib/gui/elabel.cpp
index f64adb2d79a7b74a6a912abe3ed30cad860870f1..87ad5133e2a0b0f8b22927462a9bf8a76d2f120b 100644 (file)
--- a/lib/gui/elabel.cpp
+++ b/lib/gui/elabel.cpp
@@ -15,6 +15,8 @@ eLabel::eLabel(eWidget *parent, int markedPos): eWidget(parent)
        
        m_have_foreground_color = 0;
        m_have_shadow_color = 0;
+       
+       m_nowrap = 0;
 }
 
 int eLabel::event(int event, void *data, void *data2)
@@ -49,7 +51,20 @@ int eLabel::event(int event, void *data, void *data2)
 
                        int glyphs = para->size();
 
-                       if ((m_pos < 0) || (m_pos >= glyphs))
+                       if (m_pos == -2) {  /* All glyphs inverted */
+                               eRect bbox;
+                               int left = 0, right = 0;
+                               for (int i=0; i<glyphs; i++)
+                                       para->setGlyphFlag(i, GS_INVERT);
+                               if (glyphs > 0) {
+                                       bbox = para->getGlyphBBox(0);
+                                       left = bbox.left();
+                                       bbox = para->getGlyphBBox(glyphs-1);
+                                       right = bbox.left() + bbox.width();
+                               }
+                               bbox = eRect(left, 0, right-left, size().height());
+                               painter.fill(bbox);
+                       } else if ((m_pos < 0) || (m_pos >= glyphs))
                                eWarning("glyph index %d in eLabel out of bounds!", m_pos);
                        else
                        {
@@ -89,7 +104,8 @@ int eLabel::event(int event, void *data, void *data2)
                        else if (m_halign == alignBlock)
                                flags |= gPainter::RT_HALIGN_BLOCK;
                        
-                       flags |= gPainter::RT_WRAP;
+                       if (!m_nowrap)
+                               flags |= gPainter::RT_WRAP;
                        
                                /* if we don't have shadow, m_shadow_offset will be 0,0 */
                        painter.renderText(eRect(-m_shadow_offset.x(), -m_shadow_offset.y(), size().width(), size().height()), m_text, flags);
@@ -180,6 +196,15 @@ void eLabel::setShadowOffset(const ePoint &offset)
        m_shadow_offset = offset;
 }
 
+void eLabel::setNoWrap(int nowrap)
+{
+       if (m_nowrap != nowrap)
+       {
+               m_nowrap = nowrap;
+               invalidate();
+       }
+}
+
 void eLabel::clearForegroundColor()
 {
        if (m_have_foreground_color)
@@ -194,7 +219,7 @@ eSize eLabel::calculateSize()
        ePtr<eTextPara> p = new eTextPara(eRect(0, 0, size().width(), size().height()));
        
        p->setFont(m_font);
-       p->renderString(m_text.empty()?0:m_text.c_str(), RS_WRAP);
+       p->renderString(m_text.empty()?0:m_text.c_str(), m_nowrap ? 0 : RS_WRAP);
        
        eRect bbox = p->getBoundBox();
        return bbox.size();