108 lines
2.4 KiB
C
108 lines
2.4 KiB
C
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#ifndef HIGHLIGHT_LABEL_GL_INCLUDED
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#define HIGHLIGHT_LABEL_GL_INCLUDED
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#include "minorGems/graphics/openGL/gui/LabelGL.h"
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#include "minorGems/graphics/Color.h"
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// a label with a highlight that can be turned on and off
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class HighlightLabelGL : public LabelGL, public ActionListenerList {
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public:
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// same params as LabelGL
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HighlightLabelGL( double inAnchorX, double inAnchorY, double inWidth,
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double inHeight, const char *inString,
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TextGL *inText )
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: LabelGL( inAnchorX, inAnchorY, inWidth,
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inHeight, inString, inText ),
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mHighlightOn( false ), mHighlightColor( 1.0, 0.5, 0 ) {
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}
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void setHighlight( char inHighlightOn ) {
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mHighlightOn = inHighlightOn;
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}
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char isHighlightOn() {
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return mHighlightOn;
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}
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// override fireRedraw in LabelGL
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virtual void fireRedraw();
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virtual void mousePressed( double inX, double inY );
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protected:
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char mHighlightOn;
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Color mHighlightColor;
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};
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inline void HighlightLabelGL::fireRedraw() {
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if( ! mEnabled ) {
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// invisible if disabled
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return;
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}
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Color *oldColor = NULL;
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if( mHighlightOn ) {
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oldColor = mText->getFontColor()->copy();
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mText->setFontColor( mHighlightColor.copy() );
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// lighten background to further highlight label
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glColor4f( 1, 1, 1, 0.25 );
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double drawWidth = mText->measureTextWidth( mString ) * mHeight;
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glColor4f( mHighlightColor.r, mHighlightColor.g, mHighlightColor.b,
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0.125 );
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glBegin( GL_QUADS ); {
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glVertex2d( mAnchorX - 1, mAnchorY - 1 );
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glVertex2d( mAnchorX + drawWidth + 1, mAnchorY - 1 );
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glVertex2d( mAnchorX + drawWidth + 1, mAnchorY + mHeight + 1 );
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glVertex2d( mAnchorX - 1, mAnchorY + mHeight + 1 );
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}
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glEnd();
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}
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mText->drawText( mString, mAnchorX, mAnchorY,
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mWidth, mHeight );
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if( mHighlightOn ) {
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mText->setFontColor( oldColor );
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}
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}
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inline void HighlightLabelGL::mousePressed( double inX, double inY ) {
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if( isEnabled() ) {
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// fire an event
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fireActionPerformed( this );
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}
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}
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#endif
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