Widgets can now rotate :O

src/framework/ui/uiwidget.cpp

@@ -58,6 +58,11 @@ void UIWidget::draw(const Rect& visibleRect, Fw::DrawPane drawPane)
     if(m_clipping)
         g_painter->setClipRect(visibleRect);
 
+    if(m_rotation != 0.0f) {
+        g_painter->pushTransformMatrix();
+        g_painter->rotate(m_rect.center(), m_rotation * (Fw::pi / 180.0));
+    }
+
     drawSelf(drawPane);
 
     if(m_children.size() > 0) {
@@ -67,6 +72,9 @@ void UIWidget::draw(const Rect& visibleRect, Fw::DrawPane drawPane)
         drawChildren(visibleRect, drawPane);
     }
 
+    if(m_rotation != 0.0f)
+        g_painter->popTransformMatrix();
+
     if(m_clipping)
         g_painter->resetClipRect();
 }

src/framework/ui/uiwidget.h

@@ -214,6 +214,7 @@ protected:
 public:
     void resize(int width, int height) { setRect(Rect(getPosition(), Size(width, height))); }
     void move(int x, int y) { setRect(Rect(x, y, getSize())); }
+    void rotate(float degrees) { setRotation(degrees); }
     void hide() { setVisible(false); }
     void show() { setVisible(true); }
     void disable() { setEnabled(false); }
@@ -287,6 +288,7 @@ protected:
     EdgeGroup<int> m_margin;
     EdgeGroup<int> m_padding;
     float m_opacity;
+    float m_rotation;
     int m_autoRepeatDelay;
     Point m_lastClickPosition;
 
@@ -342,6 +344,7 @@ public:
     void setPaddingBottom(int padding) { m_padding.bottom = padding; updateLayout(); }
     void setPaddingLeft(int padding) { m_padding.left = padding; updateLayout(); }
     void setOpacity(float opacity) { m_opacity = std::min(std::max(opacity, 0.0f), 1.0f); }
+    void setRotation(float degrees) { m_rotation = degrees; }
 
     int getX() { return m_rect.x(); }
     int getY() { return m_rect.y(); }
@@ -385,6 +388,7 @@ public:
     int getPaddingBottom() { return m_padding.bottom; }
     int getPaddingLeft() { return m_padding.left; }
     float getOpacity() { return m_opacity; }
+    float getRotation() { return m_rotation; }
 
 
 // image

src/framework/ui/uiwidgetbasestyle.cpp

@@ -38,6 +38,7 @@ void UIWidget::initBaseStyle()
     m_iconColor = Color::white;
     m_color = Color::white;
     m_opacity = 1.0f;
+    m_rotation = 0.0f;
     m_iconAlign = Fw::AlignNone;
 
     // generate an unique id, this is need because anchored layouts find widgets by id
@@ -107,6 +108,8 @@ void UIWidget::parseBaseStyle(const OTMLNodePtr& styleNode)
             setIconAlign(Fw::translateAlignment(node->value()));
         else if(node->tag() == "opacity")
             setOpacity(node->value<float>());
+        else if(node->tag() == "rotation")
+            setRotation(node->value<float>());
         else if(node->tag() == "enabled")
             setEnabled(node->value<bool>());
         else if(node->tag() == "visible")