Fixed compiler warnings and coding style issues.

src/guiengine/widgets/progress_bar_widget.cpp

@@ -37,12 +37,13 @@ ProgressBarWidget::ProgressBarWidget(bool show_label) : Widget(WTYPE_PROGRESS)
     m_previous_value = 0;
     m_show_label = show_label;
     setFocusable(false);
-}
+}   // ProgressBarWidget
 
+// -----------------------------------------------------------------------------
 ProgressBarWidget::~ProgressBarWidget()
 {
     GUIEngine::needsUpdate.remove(this);
-}
+}   // ~ProgressBarWidget
 
 // -----------------------------------------------------------------------------
 
@@ -50,7 +51,9 @@ void ProgressBarWidget::add()
 {
     rect<s32> widget_size = rect<s32>(m_x, m_y, m_x + m_w, m_y + m_h);
     stringw&  message = m_text;
-    m_element = GUIEngine::getGUIEnv()->addButton(widget_size, m_parent, getNewNoFocusID(), message.c_str(), L"");
+    m_element = GUIEngine::getGUIEnv()->addButton(widget_size, m_parent, 
+                                                  getNewNoFocusID(),
+                                                  message.c_str(), L"");
 
     m_id = m_element->getID();
     m_element->setTabStop(false);
@@ -62,7 +65,7 @@ void ProgressBarWidget::add()
      \brief animate the element and its children.
      */
     GUIEngine::needsUpdate.push_back(this);
-}
+}    // add
 
 // -----------------------------------------------------------------------------
 
@@ -73,7 +76,7 @@ void ProgressBarWidget::setValue(int value)
     m_previous_value = value;
     if (m_show_label)
         setLabel(std::string(StringUtils::toString(value) + "%").c_str());
-}
+}   // setValue
 
 // -----------------------------------------------------------------------------
 
@@ -83,7 +86,7 @@ void ProgressBarWidget::moveValue(int value)
     m_target_value = value;
     if (m_show_label)
         setLabel(std::string(StringUtils::toString(value) + "%").c_str());
-}
+}   // moveValue
 
 // -----------------------------------------------------------------------------
 
@@ -92,14 +95,16 @@ void ProgressBarWidget::update(float delta)
     if (m_target_value != m_value)
     {
         // Compute current progress in the animation
-        float cur = (static_cast<float>(m_value) - m_previous_value) / (m_target_value - m_previous_value);
+        float cur = (static_cast<float>(m_value) - m_previous_value) 
+                  / (m_target_value - m_previous_value);
         // Animation time: 1.0 seconds
         cur += delta * 10;
         if (cur > 1)
             cur = 1;
-        m_value = m_previous_value + cur * (m_target_value - m_previous_value);
+        m_value = int(m_previous_value + 
+                      cur * (m_target_value - m_previous_value) );
     }
-}
+}   // update
 
 // -----------------------------------------------------------------------------
 
@@ -107,7 +112,7 @@ void ProgressBarWidget::setLabel(irr::core::stringw label)
 {
     m_element->setText( label.c_str() );
     m_text = label;
-}
+}   // setLabel
 
 // -----------------------------------------------------------------------------