[ux] Show the color values in tooltip

qgis · Jun 21, 2016 · 82e2add · 82e2add
1 parent be1244d
commit 82e2add
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diff --git a/src/gui/qgscolorbuttonv2.cpp b/src/gui/qgscolorbuttonv2.cpp
@@ -161,6 +161,24 @@ void QgsColorButtonV2::setToNull()
   setColor( QColor() );
 }
 
+bool QgsColorButtonV2::event( QEvent *e )
+{
+  if ( e->type() == QEvent::ToolTip )
+  {
+    QString name = this->color().name();
+    int hue = this->color().hue();
+    int value = this->color().value();
+    int saturation = this->color().saturation();
+    QString info = QString( "HEX: %1 \n"
+                            "RGB: %2 \n"
+                            "HSV: %3,%4,%4" ).arg( name )
+                   .arg( QgsSymbolLayerV2Utils::encodeColor( this->color() ) )
+                   .arg( hue ).arg( value ).arg( saturation );
+    setToolTip( info );
+  }
+  return QToolButton::event( e );
+}
+
 void QgsColorButtonV2::setToNoColor()
 {
   if ( mAllowAlpha )

diff --git a/src/gui/qgscolorbuttonv2.h b/src/gui/qgscolorbuttonv2.h
@@ -318,6 +318,7 @@ class GUI_EXPORT QgsColorButtonV2 : public QToolButton
 
   protected:
 
+    bool event( QEvent *e ) override;
     void changeEvent( QEvent* e ) override;
     void showEvent( QShowEvent* e ) override;
     void resizeEvent( QResizeEvent *event ) override;