From 811e8db825f32274e382c42e8b8e95e0a3b2eec4 Mon Sep 17 00:00:00 2001
From: Paolo Capriotti <p.capriotti@gmail.com>
Date: Mon, 22 Jun 2009 16:40:42 +0200
Subject: [PATCH] Add constrained text item.

---
 lib/constrained_text_item.rb | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 lib/constrained_text_item.rb

diff --git a/lib/constrained_text_item.rb b/lib/constrained_text_item.rb
new file mode 100644
index 0000000..694fc17
--- /dev/null
+++ b/lib/constrained_text_item.rb
@@ -0,0 +1,36 @@
+class ConstrainedTextItem < Qt::GraphicsItem
+  def initialize(text, parent, constraint, opts = {})
+    super(parent)
+    @text = text
+    @parent = parent
+    @constraint = constraint
+    
+    @font = opts[:font] || Qt::Font.new
+    @color = opts[:color] || Qt::Color.new(Qt::black)
+    
+    @brect = Qt::FontMetrics.new(@font).bounding_rect(@text)
+    @factor = [
+      0.9 * @constraint.width / @brect.width,
+      @constraint.height / @brect.height].min
+  end
+  
+  def paint(p, opts, widget)
+    p.pen = @color
+    p.font = @font
+    p.draw_rect @constraint
+    p.saving do
+      p.translate(@constraint.center)
+      p.scale(@factor, @factor)
+      p.translate(-@brect.center)
+      p.draw_text(0, 0, @text)
+    end
+  end
+  
+  def boundingRect
+    @constraint
+  end
+  
+  def name
+    @text
+  end
+end
\ No newline at end of file
-- 
2.11.4.GIT