static const char *later(Vis *vis, const char *keys, const Arg *arg) {
size_t pos = text_later(vis_text(vis), MAX(vis_count_get(vis), 1));
if (pos != EPOS) {
view_cursor_to(vis_view(vis), pos);
/* redraw all windows in case some display the same file */
vis_draw(vis);
}
return keys;
}
static const char *macro_record(Vis *vis, const char *keys, const Arg *arg) {
if (vis_macro_record_stop(vis))
return keys;
enum VisMacro macro;
keys = key2macro(vis, keys, ¯o);
vis_macro_record(vis, macro);
vis_draw(vis);
return keys;
}
static const char *redo(Vis *vis, const char *keys, const Arg *arg) {
size_t pos = text_redo(vis_text(vis));
if (pos != EPOS) {
View *view = vis_view(vis);
if (view_cursors_count(view) == 1)
view_cursor_to(view, pos);
/* redraw all windows in case some display the same file */
vis_draw(vis);
}
return keys;
}
bool vis_window_new(Vis *vis, const char *filename) {
File *file = file_new(vis, filename);
if (!file)
return false;
Win *win = window_new_file(vis, file);
if (!win) {
file_free(vis, file);
return false;
}
vis_draw(vis);
return true;
}
bool vis_window_split(Win *original) {
Win *win = window_new_file(original->vis, original->file);
if (!win)
return false;
for (size_t i = 0; i < LENGTH(win->modes); i++) {
if (original->modes[i].bindings)
win->modes[i].bindings = map_new();
if (win->modes[i].bindings)
map_copy(win->modes[i].bindings, original->modes[i].bindings);
}
win->file = original->file;
win->file->refcount++;
view_syntax_set(win->view, view_syntax_get(original->view));
view_options_set(win->view, view_options_get(original->view));
view_cursor_to(win->view, view_cursor_get(original->view));
vis_draw(win->vis);
return true;
}
static const char *prompt_enter(Vis *vis, const char *keys, const Arg *arg) {
Win *prompt = vis->win;
View *view = prompt->view;
Text *txt = prompt->file->text;
Win *win = prompt->parent;
char *cmd = NULL;
Filerange range = view_selection_get(view);
if (!text_range_valid(&range))
range = text_object_line(txt, view_cursor_get(view));
if (text_range_valid(&range))
cmd = text_bytes_alloc0(txt, range.start, text_range_size(&range));
if (!win || !cmd) {
vis_info_show(vis, "Prompt window invalid\n");
prompt_restore(prompt);
prompt_hide(prompt);
free(cmd);
return keys;
}
size_t len = strlen(cmd);
if (len > 0 && cmd[len-1] == '\n')
cmd[len-1] = '\0';
bool lastline = (range.end == text_size(txt));
prompt_restore(prompt);
if (vis_prompt_cmd(vis, cmd)) {
prompt_hide(prompt);
if (!lastline) {
text_delete(txt, range.start, text_range_size(&range));
text_appendf(txt, "%s\n", cmd);
}
} else {
vis->win = prompt;
vis->mode = &vis_modes[VIS_MODE_INSERT];
}
free(cmd);
vis_draw(vis);
return keys;
}
void vis_window_close(Win *win) {
Vis *vis = win->vis;
if (vis->event && vis->event->win_close)
vis->event->win_close(vis, win);
file_free(vis, win->file);
if (win->prev)
win->prev->next = win->next;
if (win->next)
win->next->prev = win->prev;
if (vis->windows == win)
vis->windows = win->next;
if (vis->win == win)
vis->win = win->next ? win->next : win->prev;
if (win == vis->message_window)
vis->message_window = NULL;
window_free(win);
if (vis->win)
vis->ui->window_focus(vis->win->ui);
vis_draw(vis);
}
void action_do(Vis *vis, Action *a) {
Win *win = vis->win;
Text *txt = win->file->text;
View *view = win->view;
if (a->op == &vis_operators[VIS_OP_FILTER] && !vis->mode->visual)
vis_mode_switch(vis, VIS_MODE_VISUAL_LINE);
int count = MAX(a->count, 1);
bool repeatable = a->op && !vis->macro_operator;
bool multiple_cursors = view_cursors_multiple(view);
bool linewise = !(a->type & CHARWISE) && (
a->type & LINEWISE || (a->movement && a->movement->type & LINEWISE) ||
vis->mode == &vis_modes[VIS_MODE_VISUAL_LINE]);
for (Cursor *cursor = view_cursors(view), *next; cursor; cursor = next) {
next = view_cursors_next(cursor);
size_t pos = view_cursors_pos(cursor);
Register *reg = multiple_cursors ? view_cursors_register(cursor) : a->reg;
if (!reg)
reg = &vis->registers[win->file->internal ? VIS_REG_PROMPT : VIS_REG_DEFAULT];
OperatorContext c = {
.count = count,
.pos = pos,
.newpos = EPOS,
.range = text_range_empty(),
.reg = reg,
.linewise = linewise,
.arg = &a->arg,
};
if (a->movement) {
size_t start = pos;
for (int i = 0; i < count; i++) {
size_t pos_prev = pos;
if (a->movement->txt)
pos = a->movement->txt(txt, pos);
else if (a->movement->cur)
pos = a->movement->cur(cursor);
else if (a->movement->file)
pos = a->movement->file(vis, vis->win->file, pos);
else if (a->movement->vis)
pos = a->movement->vis(vis, txt, pos);
else if (a->movement->view)
pos = a->movement->view(vis, view);
else if (a->movement->win)
pos = a->movement->win(vis, win, pos);
else if (a->movement->user)
pos = a->movement->user(vis, win, a->movement->data, pos);
if (pos == EPOS || a->movement->type & IDEMPOTENT || pos == pos_prev)
break;
}
if (pos == EPOS) {
c.range.start = start;
c.range.end = start;
pos = start;
} else {
c.range = text_range_new(start, pos);
c.newpos = pos;
}
if (!a->op) {
if (a->movement->type & CHARWISE)
view_cursors_scroll_to(cursor, pos);
else
view_cursors_to(cursor, pos);
if (vis->mode->visual)
c.range = view_cursors_selection_get(cursor);
if (a->movement->type & JUMP)
window_jumplist_add(win, pos);
else
window_jumplist_invalidate(win);
} else if (a->movement->type & INCLUSIVE ||
(linewise && a->movement->type & LINEWISE_INCLUSIVE)) {
c.range.end = text_char_next(txt, c.range.end);
}
} else if (a->textobj) {
if (vis->mode->visual)
c.range = view_cursors_selection_get(cursor);
else
c.range.start = c.range.end = pos;
for (int i = 0; i < count; i++) {
Filerange r = text_range_empty();
if (a->textobj->txt)
r = a->textobj->txt(txt, pos);
else if (a->textobj->vis)
r = a->textobj->vis(vis, txt, pos);
else if (a->textobj->user)
r = a->textobj->user(vis, win, a->textobj->data, pos);
if (!text_range_valid(&r))
break;
if (a->textobj->type & OUTER) {
r.start--;
r.end++;
}
if (a->textobj->type & SPLIT)
c.range = r;
else
c.range = text_range_union(&c.range, &r);
if (i < count - 1)
pos = c.range.end + 1;
}
} else if (vis->mode->visual) {
c.range = view_cursors_selection_get(cursor);
if (!text_range_valid(&c.range))
c.range.start = c.range.end = pos;
}
if (linewise && vis->mode != &vis_modes[VIS_MODE_VISUAL])
c.range = text_range_linewise(txt, &c.range);
if (vis->mode->visual) {
view_cursors_selection_set(cursor, &c.range);
if (vis->mode == &vis_modes[VIS_MODE_VISUAL] || a->textobj)
view_cursors_selection_sync(cursor);
}
if (a->op) {
size_t pos = a->op->func(vis, txt, &c);
if (pos == EPOS) {
view_cursors_dispose(cursor);
} else if (pos <= text_size(txt)) {
/* moving the cursor will affect the selection.
* because we want to be able to later restore
* the old selection we update it again before
* leaving visual mode.
*/
Filerange sel = view_cursors_selection_get(cursor);
view_cursors_to(cursor, pos);
if (vis->mode->visual) {
if (sel.start == EPOS && sel.end == EPOS)
sel = c.range;
else if (sel.start == EPOS)
sel = text_range_new(c.range.start, sel.end);
else if (sel.end == EPOS)
sel = text_range_new(c.range.start, sel.start);
if (vis->mode == &vis_modes[VIS_MODE_VISUAL_LINE])
sel = text_range_linewise(txt, &sel);
view_cursors_selection_set(cursor, &sel);
}
}
}
}
if (a->op) {
/* we do not support visual repeat, still do something resonable */
if (vis->mode->visual && !a->movement && !a->textobj)
a->movement = &vis_motions[VIS_MOVE_NOP];
/* operator implementations must not change the mode,
* they might get called multiple times (once for every cursor)
*/
if (a->op == &vis_operators[VIS_OP_INSERT] || a->op == &vis_operators[VIS_OP_CHANGE]) {
vis_mode_switch(vis, VIS_MODE_INSERT);
} else if (a->op == &vis_operators[VIS_OP_REPLACE]) {
vis_mode_switch(vis, VIS_MODE_REPLACE);
} else if (a->op == &vis_operators[VIS_OP_FILTER]) {
if (a->arg.s)
vis_cmd(vis, a->arg.s);
else
vis_prompt_show(vis, ":|");
} else if (vis->mode == &vis_modes[VIS_MODE_OPERATOR_PENDING]) {
mode_set(vis, vis->mode_prev);
} else if (vis->mode->visual) {
vis_mode_switch(vis, VIS_MODE_NORMAL);
}
text_snapshot(txt);
vis_draw(vis);
}
if (a != &vis->action_prev) {
if (repeatable) {
if (!a->macro)
a->macro = vis->macro_operator;
vis->action_prev = *a;
}
action_reset(a);
}
}
void action_reset(Action *a) {
memset(a, 0, sizeof(*a));
a->count = VIS_COUNT_UNKNOWN;
}