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Lite
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Quit confirmation.

This commit is contained in:
Saumya Bhatnagar 2018-05-31 04:18:19 +05:30
parent 14f01944ee
commit 8070f56845
2 changed files with 10 additions and 0 deletions
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editor
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10
editor.c
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@ -22,6 +22,7 @@
#define CTRL_KEY(k) ((k) & 0x1f)
#define EDITOR_VERSION "0.0.1"
#define EDITOR_TAB 8
#define EDITOR_QUIT_TIMES 1
enum editorKey {
BACKSPACE = 127,
@ -539,8 +540,15 @@ void editorMoveCursor(int c) {
void editorProcessKey() {
int c = editorReadKey();
static int quit_times = EDITOR_QUIT_TIMES;
switch (c) {
case CTRL_KEY('q') : // exit on CTrl+Q
if (E.dirty && quit_times > 0) {
editorSetStatusMessage("WARNING! File has unsaved changes. Press Ctrl-Q %d more time(s) to quit.", quit_times);
quit_times--;
return;
}
write(STDOUT_FILENO, "\x1b[2J", 4);
write(STDOUT_FILENO, "\x1b[H", 3);
exit(0);
@ -592,6 +600,8 @@ void editorProcessKey() {
default:
editorInsertChar(c);
}
quit_times = EDITOR_QUIT_TIMES;
}
/*** init ***/