-/* $Id$
-
-This file is part of libmspgltk
-Copyright © 2007-2011 Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
#ifndef MSP_GLTK_WIDGET_H_
#define MSP_GLTK_WIDGET_H_
#include <string>
#include <msp/datafile/objectloader.h>
+#include <msp/gl/renderer.h>
#include "geometry.h"
+#include "inputmethod.h"
+#include "partcache.h"
#include "state.h"
namespace Msp {
class Style;
/**
-Base class for all widgets. Derived classes should call update_style in
-constructor, because it can't be done correctly in the Widget constructor.
+Base class for all widgets.
*/
class Widget
{
};
sigc::signal<void, bool> signal_visibility_changed;
+ sigc::signal<void> signal_autosize_changed;
sigc::signal<void> signal_request_focus;
sigc::signal<void> signal_grab_pointer;
sigc::signal<void> signal_ungrab_pointer;
+ sigc::signal<void, const Time::TimeDelta &> signal_request_animation;
+ sigc::signal<void> signal_rebuild_needed;
protected:
Geometry geom;
const Style *style;
State state;
bool visible;
- bool focusable;
+ InputType input_type;
Container *parent;
std::string tooltip;
+ PartCache part_cache;
+ bool rebuild_needed;
+ Time::TimeDelta anim_interval;
Widget();
+private:
+ Widget(const Widget &);
+ Widget &operator=(const Widget &);
public:
virtual ~Widget();
- /**
- Returns the name of the widget class. Used for style lookup.
- */
+ /// Returns the name of the widget class. Used for style lookup.
virtual const char *get_class() const { return "widget"; }
void set_position(int, int);
void set_size(unsigned, unsigned);
- virtual void autosize() { }
+ void autosize();
+ void autosize(Geometry &) const;
+protected:
+ virtual void autosize_special(const Part &, Geometry &) const { };
+public:
void set_geometry(const Geometry &);
const Geometry &get_geometry() const { return geom; }
+ void map_coords_to_ancestor(int &, int &, const Widget &) const;
+
protected:
- /**
- Sets the widget's parent Container. The widget must be unparented when
- calling this function with a non-null parameter.
- */
+ /** Sets the widget's parent Container. The widget must be unparented when
+ calling this function with a non-null parameter. */
void set_parent(Container *);
-
public:
- /**
- Sets the widget style. The final style name is constructed by concatenating
- the widget class and the style name with a dash.
- */
+ Container *get_parent() const { return parent; }
+
+ /** Finds the closest ancestor of a specific type. */
+ template<typename T>
+ T *find_ancestor() const
+ {
+ for(Widget *w=parent; w; w=w->get_parent())
+ if(T *tw = dynamic_cast<T *>(w))
+ return tw;
+ return 0;
+ }
+
+ /** Sets the widget style. The name of the resource to be looked up is
+ constructed by concatenating the widget class and the style name with a
+ dash. */
void set_style(const std::string &);
const Style &get_style() const { return *style; }
protected:
- /**
- Gets a style object from the resource collection based on the class and
- style names of the widget.
- */
+ /** Gets a style object from the resource collection based on the class and
+ style names of the widget. */
void update_style();
public:
void set_visible(bool);
bool is_visible() const { return visible; }
- void set_focusable(bool);
- bool is_focusable() const { return focusable; }
+ InputType get_input_type() const { return input_type; }
+ bool is_focusable() const { return visible && input_type!=INPUT_NONE; }
void set_focus();
+ void set_enabled(bool);
+ bool is_enabled() const { return !(state&DISABLED); }
+
+ // Deprecated
+ void set_focusable(bool);
- void render() const;
protected:
- virtual void render_special(const Part &) const { }
+ void set_state(State s) { set_state(s, s); }
+ void clear_state(State s) { set_state(s, NORMAL); }
+ void set_state(State, State);
+public:
+ State get_state() const { return state; }
+
+protected:
+ void set_animation_interval(const Time::TimeDelta &);
+ void stop_animation();
+public:
+ const Time::TimeDelta &get_animation_interval() const { return anim_interval; }
+
+protected:
+ void mark_rebuild();
+ virtual void rebuild_hierarchy();
+ void rebuild();
+ virtual void rebuild_special(const Part &);
+
+public:
+ void render(GL::Renderer &) const;
+protected:
+ virtual void render_special(const Part &, GL::Renderer &) const { }
public:
// Events
virtual void pointer_motion(int, int) { }
virtual void pointer_enter();
virtual void pointer_leave();
- virtual void key_press(unsigned, unsigned, wchar_t) { }
- virtual void key_release(unsigned, unsigned) { }
+ virtual void touch_press(int, int, unsigned);
+ virtual void touch_release(int, int, unsigned);
+ virtual void touch_motion(int, int, unsigned);
+ virtual bool key_press(unsigned, unsigned) { return false; }
+ virtual bool key_release(unsigned, unsigned) { return false; }
+ virtual bool character(wchar_t) { return false; }
virtual void focus_in();
virtual void focus_out();
+ virtual bool navigate(Navigation) { return false; }
+ virtual void animate(const Time::TimeDelta &) { }
protected:
- virtual void on_geometry_change() { }
+ virtual void on_size_change() { on_geometry_change(); }
virtual void on_style_change() { }
virtual void on_reparent() { }
+
+ // Deprecated
+ virtual void on_geometry_change() { }
};
} // namespace GLtk
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