X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fwidget.h;h=a83cecc9bef8c14643cc4855faaeda1712ac603d;hb=1a6d9006d0a85d8b8266266a4fc5e135f07448ae;hp=255f0425bcc719f3161ccb32e8aaa3b75888d1e5;hpb=c2635c5a3dca6a6cea5562fd387beb0662b18cf0;p=libs%2Fgltk.git

diff --git a/source/widget.h b/source/widget.h
index 255f042..a83cecc 100644
--- a/source/widget.h
+++ b/source/widget.h
@@ -15,6 +15,7 @@ Distributed under the LGPL
 namespace Msp {
 namespace GLtk {
 
+class Panel;
 class Part;
 class Resources;
 class Style;
@@ -47,10 +48,11 @@ protected:
 	const Style *style;
 	State state;
 	bool visible;
+	Panel *parent;
 
 	Widget(const Resources &);
 public:
-	virtual ~Widget() { }
+	virtual ~Widget();
 	void set_position(int, int);
 	void set_size(unsigned, unsigned);
 	void set_geometry(const Geometry &);
@@ -61,14 +63,16 @@ public:
 	*/
 	void set_style(const std::string &);
 
+	void set_visible(bool);
+
 	const Geometry &get_geometry() const { return geom; }
 	bool is_visible() const { return visible; }
 
 	void render() const;
 protected:
-	virtual void render_part(const Part &) const;
 	void render_graphic(const Part &) const;
 	void render_text(const Part &, const std::string &) const;
+	virtual void render_special(const Part &) const { }
 
 public:
 	// Events
@@ -88,7 +92,27 @@ protected:
 	*/
 	virtual const char *get_class() const { return "widget"; }
 
+	/**
+	Gets a style object from the resource collection based on the class and
+	style names of the widget.
+	*/
 	void update_style();
+
+	/**
+	Sets the widget's parent Panel.  The widget must be unparented when calling
+	this function with a nonzero parameter.
+	*/
+	void set_parent(Panel *);
+
+	/**
+	A helper function to set the parent of another widget.
+	*/
+	void set_parent(Widget &, Panel *);
+
+	// More events
+	virtual void on_geometry_change() { }
+	virtual void on_style_change() { }
+	virtual void on_reparent() { }
 };
 
 } // namespace GLtk