GUI - #ifndef GUI_GUARD#define

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#ifndef GUI_GUARD #define GUI_GUARD # #include "Point.h" #include "fltk.h" #include "Window.h" #include<vector> # namespace Graph_lib { n typedef void* Address; typedef void (*Callback)(Address,Address); // FLTK's required function type for all callbacks f // treat an address as a reference to a W { return *static_cast<W*>(pw); } class Widget { // Widget is a handle to a Fl_widget - it is *not* a Fl_widget // We try to keep our interface classes at arm's length from FLTK public: :loc(xy), width(w), height(h), label(s), do_it(cb) { } { virtual void move(int dx,int dy) { hide(); pw->position(loc.x+=dx, loc.y+=dy); show(); } virtual void hide() { pw->hide(); } virtual void show() { pw->show(); } virtual void attach(Window&) = 0; // each Widgit define at least one action for a window f Point loc; int width; int height; string label; Callback do_it; C virtual ~Widget() { } v /* Widget(const Widget& a) :loc(a.loc) { error("attempt to copy Widget by
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This note was uploaded on 02/26/2011 for the course ECE 112 taught by Professor Doraty during the Spring '11 term at Texas A&M.

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GUI - #ifndef GUI_GUARD#define

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