282 lines
8.5 KiB
C++
282 lines
8.5 KiB
C++
#include "ascii.h"
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#include <stdio.h>
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#include <string>
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#include <list>
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std::list<std::string> code;
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int current_editor = 0;
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void init_terminal();
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void do_terminal();
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void init_code_editor();
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void do_code_editor();
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void save_code();
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void loop() {
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if (btnp(KEY_TAB)) {
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current_editor = (++current_editor)%2;
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switch(current_editor) {
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case 0:
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init_terminal();
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break;
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case 1:
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init_code_editor();
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break;
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}
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}
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switch(current_editor) {
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case 0:
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do_terminal();
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break;
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case 1:
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do_code_editor();
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break;
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}
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}
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void execute_run() {
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if (current_editor == 1) save_code();
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}
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uint8_t get_char(uint8_t key) {
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SDL_Keymod mods = SDL_GetModState();
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if (key != KEY_UNKNOWN) {
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if (key < 30) {
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if ((mods & KMOD_SHIFT) || (mods & KMOD_CAPS)) {
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return key+61;
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} else {
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return key+93;
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}
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}
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else if (key == KEY_0) { if (mods & KMOD_SHIFT) { return '='; } else { return '0'; } }
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else if (key == KEY_1) { if (mods & KMOD_SHIFT) { return '!'; } else if (mods & KMOD_RALT) { return '|'; } else { return '1'; } }
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else if (key == KEY_2) { if (mods & KMOD_SHIFT) { return '"'; } else if (mods & KMOD_RALT) { return '@'; } else { return '2'; } }
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else if (key == KEY_3) { if (mods & KMOD_SHIFT) { return 144; } else if (mods & KMOD_RALT) { return '#'; } else { return '3'; } }
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else if (key == KEY_4) { if (mods & KMOD_SHIFT) { return '$'; } else if (mods & KMOD_RALT) { return '~'; } else { return '4'; } }
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else if (key == KEY_5) { if (mods & KMOD_SHIFT) { return '%'; } else if (mods & KMOD_RALT) { return 180; } else { return '5'; } }
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else if (key == KEY_6) { if (mods & KMOD_SHIFT) { return '&'; } else if (mods & KMOD_RALT) { return 173; } else { return '6'; } }
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else if (key ==KEY_7) { if (mods & KMOD_SHIFT) { return '/'; } else { return '7'; } }
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else if (key == KEY_8) { if (mods & KMOD_SHIFT) { return '('; } else { return '8'; } }
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else if (key == KEY_9) { if (mods & KMOD_SHIFT) { return ')'; } else { return '9'; } }
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else if (key == KEY_SPACE) return 32;
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else if (key == KEY_MINUS) { if (mods & KMOD_SHIFT) { return '?'; } else { return '\''; } }
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else if (key == KEY_EQUALS) { if (mods & KMOD_SHIFT) { return 174; } else { return 175; } }
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else if (key == KEY_COMMA) { if (mods & KMOD_SHIFT) { return ';'; } else { return ','; } }
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else if (key == KEY_PERIOD) { if (mods & KMOD_SHIFT) { return ':'; } else { return '.'; } }
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else if (key == KEY_SLASH) { if (mods & KMOD_SHIFT) { return '_'; } else { return '-'; } }
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else if (key == KEY_LEFTBRACKET) { if (mods & KMOD_SHIFT) { return 160; } else if (mods & KMOD_RALT) { return '['; } else { return 96; } }
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else if (key == KEY_RIGHTBRACKET) { if (mods & KMOD_SHIFT) { return '*'; } else if (mods & KMOD_RALT) { return ']'; } else { return '+'; } }
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else if (key == KEY_APOSTROPHE) { if (mods & KMOD_SHIFT) { return 162; } else if (mods & KMOD_RALT) { return '{'; } else { return 161; } }
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else if (key == KEY_BACKSLASH) { if (mods & KMOD_SHIFT) { return 'C'; } else if (mods & KMOD_RALT) { return '}'; } else { return 'c'; } }
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else if (key == KEY_GRAVE) { if (mods & KMOD_SHIFT) { return '>'; } else { return '<'; } }
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else if (key == KEY_NONUSBACKSLASH) { if (mods & KMOD_SHIFT) { return 164; } else if (mods & KMOD_RALT) { return '\\'; } else { return 163; } }
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else return 0;
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} else {
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return 0;
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}
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}
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void init_terminal() {
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mode(0);
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cls();
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}
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void do_terminal() {
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//SDL_Keymod mods = SDL_GetModState();
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const uint8_t key = whichbtn();
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if (key != KEY_UNKNOWN) {
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if (key == KEY_RETURN or key == KEY_KP_ENTER) debug_get_cmd();
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else if (key == KEY_UP) next_cmd();
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else if (key == KEY_DOWN) prev_cmd();
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else if (key == KEY_BACKSPACE) debugchr(8);
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else {
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uint8_t chr = get_char(key);
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if (chr != 0) debugchr(chr);
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}
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}
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}
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void save_code() {
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const char* file = get_filename();
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FILE *f = fopen(file, "w");
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for (std::list<std::string>::iterator it = code.begin(); it != code.end(); it++) {
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fprintf(f, "%s\n", (*it).c_str());
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}
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fclose(f);
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}
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void load_code() {
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const char* file = get_filename();
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FILE *f = fopen(file, "rb");
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fseek(f, 0, SEEK_END);
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long fsize = ftell(f);
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fseek(f, 0, SEEK_SET); /* same as rewind(f); */
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char *buffer = (char*)malloc(fsize + 1);
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fread(buffer, 1, fsize, f);
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fclose(f);
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buffer[fsize] = 0;
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int start = 0;
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for (int pos=0;pos<fsize;++pos) {
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if (buffer[pos] == '\n') {
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buffer[pos]='\0';
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code.push_back(&buffer[start]);
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start=pos+1;
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} else if (buffer[pos] == '\r') {
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buffer[pos]='\0';
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code.push_back(&buffer[start]);
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start=pos+1;
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if (buffer[start] == '\n') {pos++; start++;}
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}
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}
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free(buffer);
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}
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std::list<std::string>::iterator ls[28];
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static int col = 0;
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static int line = 0;
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void refresh_code_editor() {
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color(COLOR_WHITE, COLOR_BLUE);
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cls();
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//print(" File Edit Run ",0,0);
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//print(" ",0,29);
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std::list<std::string>::iterator it = code.begin();
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int i=0;
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while (it != code.end() && i<28) {
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ls[i] = it;
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print((*it).c_str(), 0, i);
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++i; ++it;
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}
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}
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void init_code_editor() {
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mode(0);
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code.clear();
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load_code();
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refresh_code_editor();
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}
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std::string get_current_line() {
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return *ls[line];
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}
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void move_cursor_up() {
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if (line > 0) {
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line--;
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if (get_current_line().size() < col) col = get_current_line().size();
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}
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}
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void move_cursor_down() {
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if (line < code.size()-1) {
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line++;
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if (get_current_line().size() < col) col = get_current_line().size();
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}
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}
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void move_cursor_right() {
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if ( col < get_current_line().size() ) {
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col++;
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} else {
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if (line < code.size()-1) {
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col = 0;
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move_cursor_down();
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}
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}
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}
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void move_cursor_left() {
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if (col > 0) {
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col--;
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} else {
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if (line > 0) {
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move_cursor_up();
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col = get_current_line().size();
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}
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}
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}
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void move_line_end() {
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col = get_current_line().size();
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}
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void move_line_home() {
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col = 0;
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}
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void split_line() {
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std::string str = get_current_line();
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*ls[line] = str.substr(col);
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std::list<std::string>::iterator newline = ls[line]++;
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code.insert(newline, str.substr(0, col));
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line++; col=0;
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refresh_code_editor();
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}
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void join_lines() {
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std::string str = get_current_line();
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//std::list<std::string>::iterator prevline = ls[line]--;
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code.erase(ls[line]);
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line--;
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const int line_size = (*ls[line]).size();
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*ls[line] += str;
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col = line_size;
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refresh_code_editor();
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}
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void delete_char() {
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if (col == 0) {
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if (line > 0) join_lines();
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} else {
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std::string str = get_current_line();
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std::string a = str.substr(0,col-1);
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std::string b = str.substr(col);
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*ls[line] = a+b;
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col--;
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refresh_code_editor();
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}
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}
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void supr_char() {
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if ((col == (*ls[line]).size()) && (line == code.size()-1)) return;
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move_cursor_right();
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delete_char();
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}
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void add_char(uint8_t chr) {
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std::string str = get_current_line();
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std::string a = str.substr(0,col);
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std::string b = str.substr(col);
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std::string c = " "; c[0] = chr;
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*ls[line] = a+c+b;
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col++;
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refresh_code_editor();
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}
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void do_code_editor() {
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const uint8_t key = whichbtn();
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if (key != KEY_UNKNOWN) {
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if (key == KEY_RETURN or key == KEY_KP_ENTER) {
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split_line();
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}
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else if (key == KEY_UP) move_cursor_up();
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else if (key == KEY_DOWN) move_cursor_down();
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else if (key == KEY_LEFT) move_cursor_left();
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else if (key == KEY_RIGHT) move_cursor_right();
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else if (key == KEY_BACKSPACE) delete_char();
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else if (key == KEY_DELETE) supr_char();
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else if (key == KEY_END) move_line_end();
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else if (key == KEY_HOME) move_line_home();
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else {
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uint8_t chr = get_char(key);
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if (chr != 0) add_char(chr);
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}
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}
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debug_set_cursor(col, line);
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} |