interface widget : handler { \c{\fbox{widget}}
widget(char* p);
widget(widget& w, char* p);
char* type(); \c{returns type of the widget}
char* path(); \c{returns path of the widget}
int eval(char* cmd); \c{invokes "thepath() cmd"}
char* result(); \c{returns the result of eval}
char* evaluate(char* cmd) \c{combines eval and }
virtual configure(char* cmd); \c{uses '' }
virtual geometry(int xs, int ys); \c{width x height}
widget* pack(char* opts = "" );
widget* pack(widget* w, char* = "" );
bind(char *b, handler* h, char* = "" );
bind(char *b, action& ac, char* = "" );
handler(class handler* h, char* = "" );
handler(action& ac, char* = "" );
...
void destroy(); \c{removes widget from the screen}
void* tkwin(); \c{gives access to Tk window}
widget* self(); \c{for constructing} mega widgets
void redirect(widget* w);
protected:
char* thepath(); \c{delivers the} virtual path
virtual install(action&,char* ="");
};
}{
interface widget : handler { \fbox{widget}
widget(char* p);
widget(widget& w, char* p);
char* type(); \c{// returns type of the widget}
char* path(); \c{// returns path of the widget}
int eval(char* cmd); \c{// invokes "thepath() cmd"}
char* result(); \c{// returns the result of eval}
char* evaluate(char* cmd) \c{// combines eval and }
virtual void configure(char* cmd); \c{// uses '' }
virtual void geometry(int xs, int ys); \c{// width x height}
widget* pack(char* options = "" );
widget* pack(widget* w, char* options = "" );
bind(char *b, handler* h, char* args = "" );
bind(char *b, action& ac, char* args = "" );
handler(class handler* h, char* args = "" );
handler(action& ac, char* args = "" );
void xscroll(scrollbar* s); \c{// to attach scrollbars}
void yscroll(scrollbar* s);
void focus(char* options="");
void grab(char* options="");
void destroy(); \c{// removes widget from the screen}
void* tkwin(); \c{// gives access to Tk window}
widget* self(); \c{// for constructing} mega widgets
void redirect(widget* w);
protected:
char* thepath(); \c{// delivers} the virtual path
virtual install(action&,char* args="");
};
}
}