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Code Editor WIP

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JailDoctor
2021-12-14 20:09:23 +01:00
parent be083a23e2
commit acfaf873ce
4 changed files with 318 additions and 80 deletions
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293
main.cpp
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@@ -1,63 +1,262 @@
#include "ascii.h"
#include <stdio.h>
#include <string>
#include <list>
std::list<std::string> code;
int current_editor = 0;
void do_terminal() {
SDL_Keymod mods = SDL_GetModState();
const uint8_t key = whichbtn();
if (key != KEY_UNKNOWN) {
if (key < 30) {
if ((mods & KMOD_SHIFT) || (mods & KMOD_CAPS)) {
debugchr(key+61);
} else {
debugchr(key+93);
}
}
//else if (key < 39) debugchr(key+19);
else if (key == KEY_0) { if (mods & KMOD_SHIFT) { debugchr('='); } else { debugchr('0'); } }
else if (key == KEY_1) { if (mods & KMOD_SHIFT) { debugchr('!'); } else if (mods & KMOD_RALT) { debugchr('|'); } else { debugchr('1'); } }
else if (key == KEY_2) { if (mods & KMOD_SHIFT) { debugchr('"'); } else if (mods & KMOD_RALT) { debugchr('@'); } else { debugchr('2'); } }
else if (key == KEY_3) { if (mods & KMOD_SHIFT) { debugchr(144); } else if (mods & KMOD_RALT) { debugchr('#'); } else { debugchr('3'); } }
else if (key == KEY_4) { if (mods & KMOD_SHIFT) { debugchr('$'); } else if (mods & KMOD_RALT) { debugchr('~'); } else { debugchr('4'); } }
else if (key == KEY_5) { if (mods & KMOD_SHIFT) { debugchr('%'); } else if (mods & KMOD_RALT) { debugchr(180); } else { debugchr('5'); } }
else if (key == KEY_6) { if (mods & KMOD_SHIFT) { debugchr('&'); } else if (mods & KMOD_RALT) { debugchr(173); } else { debugchr('6'); } }
else if (key == KEY_7) { if (mods & KMOD_SHIFT) { debugchr('/'); } else { debugchr('7'); } }
else if (key == KEY_8) { if (mods & KMOD_SHIFT) { debugchr('('); } else { debugchr('8'); } }
else if (key == KEY_9) { if (mods & KMOD_SHIFT) { debugchr(')'); } else { debugchr('9'); } }
else if (key == KEY_RETURN or key == KEY_KP_ENTER) debug_get_cmd();
else if (key == KEY_UP) next_cmd();
else if (key == KEY_DOWN) prev_cmd();
else if (key == KEY_SPACE) debugchr(32);
else if (key == KEY_BACKSPACE) debugchr(8);
else if (key == KEY_MINUS) { if (mods & KMOD_SHIFT) { debugchr('?'); } else { debugchr('\''); } }
else if (key == KEY_EQUALS) { if (mods & KMOD_SHIFT) { debugchr(174); } else { debugchr(175); } }
else if (key == KEY_COMMA) { if (mods & KMOD_SHIFT) { debugchr(';'); } else { debugchr(','); } }
else if (key == KEY_PERIOD) { if (mods & KMOD_SHIFT) { debugchr(':'); } else { debugchr('.'); } }
else if (key == KEY_SLASH) { if (mods & KMOD_SHIFT) { debugchr('_'); } else { debugchr('-'); } }
else if (key == KEY_LEFTBRACKET) { if (mods & KMOD_SHIFT) { debugchr(160); } else if (mods & KMOD_RALT) { debugchr('['); } else { debugchr(96); } }
else if (key == KEY_RIGHTBRACKET) { if (mods & KMOD_SHIFT) { debugchr('*'); } else if (mods & KMOD_RALT) { debugchr(']'); } else { debugchr('+'); } }
else if (key == KEY_APOSTROPHE) { if (mods & KMOD_SHIFT) { debugchr(162); } else if (mods & KMOD_RALT) { debugchr('{'); } else { debugchr(161); } }
else if (key == KEY_BACKSLASH) { if (mods & KMOD_SHIFT) { debugchr('C'); } else if (mods & KMOD_RALT) { debugchr('}'); } else { debugchr('c'); } }
else if (key == KEY_GRAVE) { if (mods & KMOD_SHIFT) { debugchr('>'); } else { debugchr('<'); } }
else if (key == KEY_NONUSBACKSLASH) { if (mods & KMOD_SHIFT) { debugchr(164); } else if (mods & KMOD_RALT) { debugchr('\\'); } else { debugchr(163); } }
}
//cls(0);
//pdebug();
}
void init_terminal();
void do_terminal();
void init_code_editor();
void do_code_editor();
void loop() {
do_terminal();
/*
if (btnp(KEY_TAB)) {
current_editor = (++current_editor)%5;
current_editor = (++current_editor)%2;
switch(current_editor) {
case 0:
init_terminal();
break;
case 1:
init_code_editor();
break;
}
}
switch(current_editor) {
case 0:
do_terminal();
break;
case 1:
do_sprite_editor();
do_code_editor();
break;
}
*/
}
uint8_t get_char(uint8_t key) {
SDL_Keymod mods = SDL_GetModState();
if (key != KEY_UNKNOWN) {
if (key < 30) {
if ((mods & KMOD_SHIFT) || (mods & KMOD_CAPS)) {
return key+61;
} else {
return key+93;
}
}
else if (key == KEY_0) { if (mods & KMOD_SHIFT) { return '='; } else { return '0'; } }
else if (key == KEY_1) { if (mods & KMOD_SHIFT) { return '!'; } else if (mods & KMOD_RALT) { return '|'; } else { return '1'; } }
else if (key == KEY_2) { if (mods & KMOD_SHIFT) { return '"'; } else if (mods & KMOD_RALT) { return '@'; } else { return '2'; } }
else if (key == KEY_3) { if (mods & KMOD_SHIFT) { return 144; } else if (mods & KMOD_RALT) { return '#'; } else { return '3'; } }
else if (key == KEY_4) { if (mods & KMOD_SHIFT) { return '$'; } else if (mods & KMOD_RALT) { return '~'; } else { return '4'; } }
else if (key == KEY_5) { if (mods & KMOD_SHIFT) { return '%'; } else if (mods & KMOD_RALT) { return 180; } else { return '5'; } }
else if (key == KEY_6) { if (mods & KMOD_SHIFT) { return '&'; } else if (mods & KMOD_RALT) { return 173; } else { return '6'; } }
else if (key == KEY_7) { if (mods & KMOD_SHIFT) { return '/'; } else { return '7'; } }
else if (key == KEY_8) { if (mods & KMOD_SHIFT) { return '('; } else { return '8'; } }
else if (key == KEY_9) { if (mods & KMOD_SHIFT) { return ')'; } else { return '9'; } }
else if (key == KEY_SPACE) return 32;
else if (key == KEY_MINUS) { if (mods & KMOD_SHIFT) { return '?'; } else { return '\''; } }
else if (key == KEY_EQUALS) { if (mods & KMOD_SHIFT) { return 174; } else { return 175; } }
else if (key == KEY_COMMA) { if (mods & KMOD_SHIFT) { return ';'; } else { return ','; } }
else if (key == KEY_PERIOD) { if (mods & KMOD_SHIFT) { return ':'; } else { return '.'; } }
else if (key == KEY_SLASH) { if (mods & KMOD_SHIFT) { return '_'; } else { return '-'; } }
else if (key == KEY_LEFTBRACKET) { if (mods & KMOD_SHIFT) { return 160; } else if (mods & KMOD_RALT) { return '['; } else { return 96; } }
else if (key == KEY_RIGHTBRACKET) { if (mods & KMOD_SHIFT) { return '*'; } else if (mods & KMOD_RALT) { return ']'; } else { return '+'; } }
else if (key == KEY_APOSTROPHE) { if (mods & KMOD_SHIFT) { return 162; } else if (mods & KMOD_RALT) { return '{'; } else { return 161; } }
else if (key == KEY_BACKSLASH) { if (mods & KMOD_SHIFT) { return 'C'; } else if (mods & KMOD_RALT) { return '}'; } else { return 'c'; } }
else if (key == KEY_GRAVE) { if (mods & KMOD_SHIFT) { return '>'; } else { return '<'; } }
else if (key == KEY_NONUSBACKSLASH) { if (mods & KMOD_SHIFT) { return 164; } else if (mods & KMOD_RALT) { return '\\'; } else { return 163; } }
else return 0;
} else {
return 0;
}
}
void init_terminal() {
setmode(0);
cls();
}
void do_terminal() {
//SDL_Keymod mods = SDL_GetModState();
const uint8_t key = whichbtn();
if (key != KEY_UNKNOWN) {
if (key == KEY_RETURN or key == KEY_KP_ENTER) debug_get_cmd();
else if (key == KEY_UP) next_cmd();
else if (key == KEY_DOWN) prev_cmd();
else if (key == KEY_BACKSPACE) debugchr(8);
else {
uint8_t chr = get_char(key);
if (chr != 0) debugchr(chr);
}
}
}
void load_code() {
FILE *f = fopen(get_filename(), "rb");
fseek(f, 0, SEEK_END);
long fsize = ftell(f);
fseek(f, 0, SEEK_SET); /* same as rewind(f); */
char *buffer = (char*)malloc(fsize + 1);
fread(buffer, 1, fsize, f);
fclose(f);
buffer[fsize] = 0;
int start = 0;
for (int pos=0;pos<fsize;++pos) {
if (buffer[pos] == '\r') {
buffer[pos]='\0';
code.push_back(&buffer[start]);
start=pos+2;
}
}
free(buffer);
}
std::list<std::string>::iterator ls[28];
static int col = 0;
static int line = 0;
bool cursor_inverted = false;
int blink_wait = 30;
void refresh_code_editor() {
color(COLOR_WHITE, COLOR_BLUE);
cls();
color(COLOR_BLACK, COLOR_LIGHT_GRAY);
print(" File Edit Run ",0,0);
print(" ",0,29);
color(COLOR_WHITE, COLOR_BLUE);
std::list<std::string>::iterator it = code.begin();
int i=0;
while (it != code.end() && i<28) {
ls[i] = it;
print((*it).c_str(), 0, i+1);
++i; ++it;
}
}
void init_code_editor() {
setmode(3);
load_code();
refresh_code_editor();
}
std::string get_current_line() {
return *ls[line];
}
void invert_cursor() {
cursor_inverted = !cursor_inverted;
uint16_t pos = 0x1200 + col + (line+1)*80;
uint8_t col = peek(pos);
poke(pos, ((col >> 4) & 0x0f) + ((col << 4) & 0xf0) );
}
void move_cursor_up() {
if (line > 0) {
if (cursor_inverted) invert_cursor();
line--;
if (get_current_line().size() < col) col = get_current_line().size();
blink_wait=1;
}
}
void move_cursor_down() {
if (line < code.size()-1) {
if (cursor_inverted) invert_cursor();
line++;
if (get_current_line().size() < col) col = get_current_line().size();
blink_wait=1;
}
}
void move_cursor_right() {
if ( col < get_current_line().size() ) {
if (cursor_inverted) invert_cursor();
col++;
blink_wait=1;
} else {
if (line < code.size()-1) {
col = 0;
move_cursor_down();
}
}
}
void move_cursor_left() {
if (col > 0) {
if (cursor_inverted) invert_cursor();
col--;
blink_wait=1;
} else {
if (line > 0) {
move_cursor_up();
col = get_current_line().size();
}
}
}
void split_line() {
std::string str = get_current_line();
*ls[line] = str.substr(col);
std::list<std::string>::iterator newline = ls[line]++;
code.insert(newline, str.substr(0, col));
if (cursor_inverted) invert_cursor();
line++; col=0;
blink_wait=1;
refresh_code_editor();
}
void join_lines() {
if (cursor_inverted) invert_cursor();
std::string str = get_current_line();
//std::list<std::string>::iterator prevline = ls[line]--;
code.erase(ls[line]);
line--;
const int line_size = (*ls[line]).size();
*ls[line] += str;
col = line_size;
blink_wait=1;
refresh_code_editor();
}
void delete_char() {
if (col == 0) {
if (line > 0) join_lines();
} else {
if (cursor_inverted) invert_cursor();
std::string str = get_current_line();
std::string a = str.substr(0,col-1);
std::string b = str.substr(col);
*ls[line] = a+b;
col--;
blink_wait=1;
refresh_code_editor();
}
}
void do_code_editor() {
const uint8_t key = whichbtn();
if (key != KEY_UNKNOWN) {
if (key == KEY_RETURN or key == KEY_KP_ENTER) {
split_line();
}
else if (key == KEY_UP) move_cursor_up();
else if (key == KEY_DOWN) move_cursor_down();
else if (key == KEY_LEFT) move_cursor_left();
else if (key == KEY_RIGHT) move_cursor_right();
else if (key == KEY_BACKSPACE) delete_char();
else {
uint8_t chr = get_char(key);
if (chr != 0) debugchr(chr);
}
}
blink_wait--;
if (blink_wait == 0) {
blink_wait = 30;
invert_cursor();
}
}