- preliminary pdf export support

Author: wolfpld

MainWindow.cs

@@ -15,6 +15,7 @@ public class MainWindow
 		[Widget] ImageMenuItem	MenuFileOpen;
 		[Widget] ImageMenuItem	MenuFileSave;
 		[Widget] ImageMenuItem	MenuFileSaveAs;
+		[Widget] ImageMenuItem	MenuFilePrint;
 		[Widget] ImageMenuItem	MenuFilePreferences;
 		[Widget] ImageMenuItem	MenuFileQuit;
 		[Widget] ImageMenuItem	MenuSystemRun;
@@ -79,6 +80,7 @@ public MainWindow(string[] args)
 			MenuFileSave.Activated += OnSave;
 			MenuFileSaveAs.Image = new Image(null, "document-save-as.png");
 			MenuFileSaveAs.Activated += OnSaveAs;
+			MenuFilePrint.Activated += OnPrint;
 			MenuFilePreferences.Image = new Image(null, "preferences-desktop.png");
 			MenuFilePreferences.Activated += delegate(object o, EventArgs eargs) { new Preferences(); };
 			MenuFileQuit.Image = new Image(null, "system-log-out.png");
@@ -220,6 +222,17 @@ private void OnSave(object o, EventArgs args)
 			}
 		}
 
+		private void OnPrint(object o, EventArgs args)
+		{
+			Cairo.PdfSurface pdf = new Cairo.PdfSurface("print.pdf", 512, 512);
+			Cairo.Context c = new Cairo.Context(pdf);
+
+			schematic.Draw(c);
+
+			((IDisposable) c.Target).Dispose();
+			((IDisposable) c).Dispose();
+		}
+
 		private void OnRun(object o, EventArgs args)
 		{
 			if(engine.Running)

Schematic.cs

@@ -517,7 +517,7 @@ public void Clear()
 			QueueDraw();
 		}
 
-		private void Draw(Context c)
+		public void Draw(Context c)
 		{
 			if(ChangeBackground)
 			{

resources/MainWindow.glade

@@ -51,6 +51,15 @@
                         <property name="use_stock">True</property>
                       </widget>
                     </child>
+                    <child>
+                      <widget class="GtkImageMenuItem" id="MenuFilePrint">
+                        <property name="visible">True</property>
+                        <property name="events">GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK</property>
+                        <property name="label" translatable="yes">gtk-print</property>
+                        <property name="use_underline">True</property>
+                        <property name="use_stock">True</property>
+                      </widget>
+                    </child>
                     <child>
                       <widget class="GtkSeparatorMenuItem" id="separator1">
                         <property name="visible">True</property>