matuush/zeed
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Resolve enter and backspace in insert mode

Browse source
This commit is contained in:
Matúš Púll 2025-04-08 14:16:41 +02:00
parent 4929064b30
commit 9d860991f3
1 changed files with 26 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

32
main.cpp
View file

@ -10,6 +10,8 @@ using std::string;
using std::vector;
#define ESC 27
#define ENTER 10
#define BS 127
#define adds(s) addstr(s.c_str())
enum mode_type { insert, normal };
@ -25,7 +27,7 @@ char get(int r, int s) { return get_line(file_offset+r)[s]; }
void set(int r, int s, char ch) { file.find(file_offset+r)->text[s] = ch; }
void add_line(int r, string text = "") { file.insert(file_offset+r, text); }
void insert_char(int r, int s, char ch) { file.find(file_offset+r)->text.insert(s, string{ch}); }
void remove_char(int r, int s) { file.find(file_offset+r)->text.erase(s,1); }
void remove_char(int r, int s, int len=1) { file.find(file_offset+r)->text.erase(s,len); }
void remove_line(int r) { file.remove(file_offset+r); }
@ -45,8 +47,9 @@ bool save(string filename) {
std::ofstream outfile(filename);
if(!outfile.good())
return 1;
for(int i = 0; i < file.size(); ++i)
outfile << get_line(i) << std::endl;
outfile << get_line(i-file_offset) << std::endl;
return 0;
}
@ -70,6 +73,13 @@ void print_file(int start = 0) {
else
clear_line(i);
}
// Splitting lines
string split_line(int r, int s) {
string line = get_line(r);
string ret = line.substr(s, line.size());
remove_char(r, s, line.size()-s);
return ret;
}
// TODO skoky a přesuny
@ -127,10 +137,6 @@ void move_cursor(char ch) {
int main(int argc, char* argv[]) {
// Init
initscr();
refresh();
// Check valid filename and load
if(argc <= 1)
return 1;
@ -138,6 +144,9 @@ int main(int argc, char* argv[]) {
if(load(filename))
return 1;
// Init
initscr();
refresh();
print_file();
mode_type mode = normal;
@ -183,6 +192,17 @@ int main(int argc, char* argv[]) {
switch(ch) {
case ESC:
mode = normal;
print_line(row);
break;
case BS:
if(col>0)
remove_char(row, --col);
print_line(row);
break;
case ENTER:
add_line(row+1, split_line(row, col));
print_file(row++);
jump_line_end();
break;
default:
insert_char(row, col++, ch);