erebus
annotate src/console.h @ 42:b9294cd6b9dc
console input history with up/down
| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Tue, 10 Jun 2014 16:15:08 +0300 |
| parents | 2e817711d0f6 |
| children |
| rev | line source |
|---|---|
| nuclear@37 | 1 #ifndef CONSOLE_H_ |
| nuclear@37 | 2 #define CONSOLE_H_ |
| nuclear@37 | 3 |
| nuclear@37 | 4 #include <vector> |
| nuclear@37 | 5 #include <list> |
| nuclear@37 | 6 #include <string> |
| nuclear@37 | 7 #include <functional> |
| nuclear@37 | 8 #include <drawtext.h> |
| nuclear@37 | 9 |
| nuclear@37 | 10 #define INPUTQ_SIZE 64 |
| nuclear@37 | 11 |
| nuclear@37 | 12 class Console { |
| nuclear@37 | 13 private: |
| nuclear@37 | 14 bool visible; |
| nuclear@37 | 15 int nlines, ncolumns; |
| nuclear@37 | 16 |
| nuclear@37 | 17 int inpq_front, inpq_back; |
| nuclear@37 | 18 int keybuf[INPUTQ_SIZE]; |
| nuclear@37 | 19 |
| nuclear@41 | 20 std::string prompt; |
| nuclear@37 | 21 std::string input; // current input line |
| nuclear@37 | 22 int cursor; |
| nuclear@41 | 23 int input_win; // first character to show in the input "window" |
| nuclear@37 | 24 |
| nuclear@37 | 25 // input history |
| nuclear@37 | 26 int max_hist_lines; |
| nuclear@37 | 27 std::list<std::string> hist; |
| nuclear@42 | 28 bool hist_iter_valid; |
| nuclear@42 | 29 std::list<std::string>::const_reverse_iterator hist_iter; |
| nuclear@37 | 30 |
| nuclear@37 | 31 // console output |
| nuclear@37 | 32 int max_output_lines; |
| nuclear@37 | 33 std::vector<std::string> output; |
| nuclear@37 | 34 bool echo; |
| nuclear@37 | 35 |
| nuclear@37 | 36 std::function<void (const char*)> cmd_handler; |
| nuclear@37 | 37 |
| nuclear@37 | 38 int font_size; |
| nuclear@37 | 39 dtx_font *font; |
| nuclear@37 | 40 |
| nuclear@41 | 41 void set_cursor(int x); |
| nuclear@41 | 42 int get_cursor() const; |
| nuclear@41 | 43 |
| nuclear@37 | 44 public: |
| nuclear@37 | 45 enum { |
| nuclear@37 | 46 KEY_LEFT = 256, |
| nuclear@37 | 47 KEY_RIGHT, |
| nuclear@37 | 48 KEY_UP, KEY_DOWN, |
| nuclear@37 | 49 KEY_INS, |
| nuclear@37 | 50 KEY_DEL, |
| nuclear@37 | 51 KEY_HOME, |
| nuclear@37 | 52 KEY_END, |
| nuclear@37 | 53 KEY_PGUP, |
| nuclear@37 | 54 KEY_PGDOWN |
| nuclear@37 | 55 }; |
| nuclear@37 | 56 |
| nuclear@37 | 57 Console(); |
| nuclear@37 | 58 |
| nuclear@37 | 59 void set_font(dtx_font *font, int sz); |
| nuclear@37 | 60 void set_history_size(int hsz); |
| nuclear@37 | 61 void set_output_buffer_size(int sz); |
| nuclear@37 | 62 void set_command_func(std::function<void (const char*)> func); |
| nuclear@37 | 63 |
| nuclear@37 | 64 void set_echo(bool echo); |
| nuclear@37 | 65 bool get_echo() const; |
| nuclear@37 | 66 |
| nuclear@37 | 67 void show() { set_visible(true); } |
| nuclear@37 | 68 void hide() { set_visible(false); } |
| nuclear@37 | 69 void set_visible(bool v); |
| nuclear@37 | 70 bool is_visible() const; |
| nuclear@37 | 71 |
| nuclear@37 | 72 void set_size(int lines, int columns = 80); |
| nuclear@37 | 73 int get_size_lines() const; |
| nuclear@37 | 74 int get_size_columns() const; |
| nuclear@37 | 75 |
| nuclear@37 | 76 // update returns true if what it did makes a redraw necessary |
| nuclear@37 | 77 bool update(); |
| nuclear@37 | 78 void draw() const; |
| nuclear@37 | 79 |
| nuclear@37 | 80 void input_key(int key); // send a keystroke to the console |
| nuclear@37 | 81 |
| nuclear@37 | 82 void putchar(char c); |
| nuclear@37 | 83 void puts(const char *str); |
| nuclear@37 | 84 void printf(const char *fmt, ...); |
| nuclear@37 | 85 |
| nuclear@37 | 86 void debug(); |
| nuclear@37 | 87 }; |
| nuclear@37 | 88 |
| nuclear@37 | 89 #endif // CONSOLE_H_ |