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[bim] Add rudimentary indent adjustment

This commit is contained in:
K. Lange 2018-08-20 10:30:07 +09:00
parent 312bf70943
commit d049085a3b
1 changed files with 86 additions and 8 deletions
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94
apps/bim.c
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@ -1890,6 +1890,12 @@ void redraw_statusbar(void) {
printf(" ");
if (env->tabs) {
printf("[tabs]");
} else {
printf("[spaces=%d]", env->tabstop);
}
if (global_config.yanks) {
printf("[y:%ld]", global_config.yank_count);
}
@ -2760,8 +2766,10 @@ void process_command(char * cmd) {
next_tab();
} else if (!strcmp(argv[0], "indent")) {
env->indent = 1;
redraw_statusbar();
} else if (!strcmp(argv[0], "noindent")) {
env->indent = 0;
redraw_statusbar();
} else if (!strcmp(argv[0], "noh")) {
if (env->search) {
free(env->search);
@ -2852,8 +2860,10 @@ void process_command(char * cmd) {
redraw_all();
} else if (!strcmp(argv[0], "tabs")) {
env->tabs = 1;
redraw_statusbar();
} else if (!strcmp(argv[0], "spaces")) {
env->tabs = 0;
redraw_statusbar();
} else if (!strcmp(argv[0], "tabstop")) {
if (argc < 2) {
render_status_message("tabstop=%d", env->tabstop);
@ -2953,6 +2963,8 @@ void command_tab_complete(char * buffer) {
add_candidate("spaces");
add_candidate("noh");
add_candidate("clearyank");
add_candidate("indent");
add_candidate("noindent");
goto _accept_candidate;
}
@ -3568,6 +3580,13 @@ int handle_escape(int * this_buf, int * timeout, int c) {
case 'F': // end
cursor_end();
break;
case 'Z':
/* Shift tab */
if (env->mode == MODE_LINE_SELECTION) {
*timeout = 0;
return 'Z';
}
break;
case '~':
switch (this_buf[*timeout-1]) {
case '6':
@ -3662,8 +3681,8 @@ void line_selection_mode(void) {
}
redraw_line(env->line_no - env->offset - 1, env->line_no-1);
void _redraw_line(int line) {
if (line == start_line) return;
void _redraw_line(int line, int force_start_line) {
if (!force_start_line && line == start_line) return;
if ((env->line_no < start_line && line < env->line_no) ||
(env->line_no > start_line && line > env->line_no) ||
@ -3680,6 +3699,57 @@ void line_selection_mode(void) {
}
}
void adjust_indent(int direction) {
int lines_to_cover = 0;
int start_point = 0;
if (start_line <= env->line_no) {
start_point = start_line - 1;
lines_to_cover = env->line_no - start_line + 1;
} else {
start_point = env->line_no - 1;
lines_to_cover = start_line - env->line_no + 1;
}
for (int i = 0; i < lines_to_cover; ++i) {
if ((direction == -1) && env->lines[start_point + i]->actual < 1) continue;
if (direction == -1) {
if (env->tabs) {
if (env->lines[start_point + i]->text[0].codepoint == '\t') {
line_delete(env->lines[start_point + i],1,start_point+i);
_redraw_line(start_point+i+1,1);
}
} else {
for (int j = 0; j < env->tabstop; ++j) {
if (env->lines[start_point + i]->text[0].codepoint == ' ') {
line_delete(env->lines[start_point + i],1,start_point+i);
}
}
_redraw_line(start_point+i+1,1);
}
} else if (direction == 1) {
if (env->tabs) {
char_t c;
c.codepoint = '\t';
c.display_width = env->tabstop;
c.flags = FLAG_SELECT;
env->lines[start_point + i] = line_insert(env->lines[start_point + i], c, 0, start_point + i);
} else {
for (int j = 0; j < env->tabstop; ++j) {
char_t c;
c.codepoint = ' ';
c.display_width = 1;
c.flags = FLAG_SELECT;
env->lines[start_point + i] = line_insert(env->lines[start_point + i], c, 0, start_point + i);
}
}
_redraw_line(start_point+i+1,1);
}
}
if (env->col_no > env->lines[env->line_no-1]->actual) {
env->col_no = env->lines[env->line_no-1]->actual;
}
set_modified();
}
while ((c = bim_getch())) {
if (c == -1) {
if (timeout && this_buf[timeout-1] == '\033') {
@ -3708,6 +3778,9 @@ void line_selection_mode(void) {
/* Switch to search mode */
search_mode();
break;
case '\t':
adjust_indent(1);
break;
case 'V':
goto _leave_select_line;
case 'n':
@ -3756,24 +3829,29 @@ void line_selection_mode(void) {
break;
}
} else {
if (handle_escape(this_buf,&timeout,c)) {
bim_unget(c);
goto _leave_select_line;
switch (handle_escape(this_buf,&timeout,c)) {
case 1:
bim_unget(c);
goto _leave_select_line;
case 'Z':
/* Unindent */
adjust_indent(-1);
break;
}
}
/* Mark current line */
_redraw_line(env->line_no);
_redraw_line(env->line_no,0);
/* Properly mark everything in the span we just moved through */
if (prev_line < env->line_no) {
for (int i = prev_line; i < env->line_no; ++i) {
_redraw_line(i);
_redraw_line(i,0);
}
prev_line = env->line_no;
} else if (prev_line > env->line_no) {
for (int i = env->line_no + 1; i <= prev_line; ++i) {
_redraw_line(i);
_redraw_line(i,0);
}
prev_line = env->line_no;
}