--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mde/gui/widget/Widget.d	Wed Apr 30 18:05:56 2008 +0100
@@ -0,0 +1,103 @@
+/* LICENSE BLOCK
+Part of mde: a Modular D game-oriented Engine
+Copyright © 2007-2008 Diggory Hardy
+
+This program is free software: you can redistribute it and/or modify it under the terms
+of the GNU General Public License as published by the Free Software Foundation, either
+version 2 of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>. */
+
+/// GUI Widget module.
+module mde.gui.widget.Widget;
+
+public import mde.gui.widget.Ifaces;
+import mde.gui.exception;
+
+import gl = mde.gl.basic;
+
+import tango.io.Stdout;
+
+/** A base widget class. Widgets need not inherit this (they only need implement IWidget), but this
+* class provides a useful basic implementation for widgets.
+*
+* Do not use directly (i.e. only for inheriting from).
+*/
+class Widget : IWidget
+{
+    /** Basic draw method: draw the background */
+    void draw (int x, int y) {
+        window.renderer.drawWidgetBack (x,y, w,h);
+    }
+    
+    /** Dummy event method (ignore) */
+    void clickEvent (ushort cx, ushort cy, ubyte b, bool state) {}
+    
+    /** Minimum size is zero. */
+    void getMinimumSize (out int w, out int h) {}   // w,h initialised to 0
+    /** Current size. */
+    void getCurrentSize (out int w, out int h) {
+        w = this.w;
+        h = this.h;
+    }
+    
+protected:
+    IWindow window;         // the enclosing window
+    int w, h;               // size
+}
+
+//BEGIN Widgets
+/// Draws a box. That's it.
+class BoxWidget : Widget
+{
+    this (IWindow wind, IParentWidget, int[] data) {
+        if (data.length != 2) throw new WidgetDataException;
+        
+        window = wind;
+        
+        w = data[0];
+        h = data[1];
+    }
+    void draw (int x, int y) {
+        gl.setColor(1f,0f,0f);
+        window.renderer.drawBox (x,y, w,h);
+    }
+}
+
+/// First interactible widget
+class ButtonWidget : Widget
+{
+    bool pushed = false;// true if button is pushed in
+    
+    this (IWindow wind, IParentWidget, int[] data) {
+        if (data.length != 2) throw new WidgetDataException;
+        
+        window = wind;
+        
+        w = data[0];
+        h = data[1];
+    }
+    
+    void draw (int x, int y) {
+        if (pushed)
+            gl.setColor (1f, 0f, 1f);
+        else
+            gl.setColor (.6f, 0f, .6f);
+        window.renderer.drawBox (x,y, w,h);
+    }
+    
+    void getMinimumSize (out int w, out int h) {
+        w = this.w; // button is not resizable
+        h = this.h;
+    }
+    
+    void clickEvent (ushort, ushort, ubyte b, bool state) {
+        if (b == 1) pushed = state; // very basic
+    }
+}
+//END Widgets