vrshoot
annotate src/screen.h @ 0:b2f14e535253
initial commit
| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Sat, 01 Feb 2014 19:58:19 +0200 |
| parents | |
| children |
| rev | line source |
|---|---|
| nuclear@0 | 1 #ifndef SCREEN_H_ |
| nuclear@0 | 2 #define SCREEN_H_ |
| nuclear@0 | 3 |
| nuclear@0 | 4 class Screen; |
| nuclear@0 | 5 |
| nuclear@0 | 6 void push_screen(Screen *screen); |
| nuclear@0 | 7 Screen *pop_screen(); |
| nuclear@0 | 8 Screen *current_screen(); |
| nuclear@0 | 9 Screen *previous_screen(); |
| nuclear@0 | 10 |
| nuclear@0 | 11 |
| nuclear@0 | 12 class Screen { |
| nuclear@0 | 13 public: |
| nuclear@0 | 14 virtual ~Screen(); |
| nuclear@0 | 15 |
| nuclear@0 | 16 virtual const char *get_name() const; |
| nuclear@0 | 17 |
| nuclear@0 | 18 virtual bool init(); |
| nuclear@0 | 19 virtual void cleanup(); |
| nuclear@0 | 20 |
| nuclear@0 | 21 /// start will be called just before a screen is going to be activated |
| nuclear@0 | 22 virtual void start(); |
| nuclear@0 | 23 /// stop will be called when a screen is being deactivated |
| nuclear@0 | 24 virtual void stop(); |
| nuclear@0 | 25 |
| nuclear@0 | 26 /** each Screen subclass should override this function to specify |
| nuclear@0 | 27 * the required redisplay interval: |
| nuclear@0 | 28 * - 0 means no implcit redisplays are to be performed. |
| nuclear@0 | 29 * Use request_redisplay to queue up a redisplay. |
| nuclear@0 | 30 * - Any values > 0 are treated as inter-frame intervals in milliseconds |
| nuclear@0 | 31 * The default (if not overriden) is 0. |
| nuclear@0 | 32 */ |
| nuclear@0 | 33 virtual long redisplay_interval() const; |
| nuclear@0 | 34 |
| nuclear@0 | 35 /// update will be called every frame before display |
| nuclear@0 | 36 virtual void update(unsigned long tmsec); |
| nuclear@0 | 37 |
| nuclear@0 | 38 /// pre_draw will be called before display |
| nuclear@0 | 39 virtual void pre_draw() const; |
| nuclear@0 | 40 /// display will be called whenever a screen needs to redraw itself |
| nuclear@0 | 41 virtual void display() const; |
| nuclear@0 | 42 /// post_draw will be called after display |
| nuclear@0 | 43 virtual void post_draw() const; |
| nuclear@0 | 44 |
| nuclear@0 | 45 /// keyboard event |
| nuclear@0 | 46 virtual void keyboard(int key, bool pressed); |
| nuclear@0 | 47 /// mouse motion event |
| nuclear@0 | 48 virtual void motion(int x, int y, bool pressed); |
| nuclear@0 | 49 /// mouse button event |
| nuclear@0 | 50 virtual void button(int bn, bool pressed, int x, int y); |
| nuclear@0 | 51 /// reshape event |
| nuclear@0 | 52 virtual void reshape(int x, int y); |
| nuclear@0 | 53 }; |
| nuclear@0 | 54 |
| nuclear@0 | 55 #endif // SCREEN_H_ |