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#include <stdlib.h>
#include "copy.h"
#include "block-iter.h"
#include "change.h"
#include "misc.h"
#include "move.h"
#include "selection.h"
#include "util/debug.h"
void record_copy(Clipboard *clip, char *buf, size_t len, bool is_lines)
{
BUG_ON(len && !buf);
free(clip->buf);
clip->buf = buf;
clip->len = len;
clip->is_lines = is_lines;
}
void copy(Clipboard *clip, View *view, size_t len, bool is_lines)
{
if (len) {
char *buf = block_iter_get_bytes(&view->cursor, len);
record_copy(clip, buf, len, is_lines);
}
}
void cut(Clipboard *clip, View *view, size_t len, bool is_lines)
{
if (len) {
copy(clip, view, len, is_lines);
buffer_delete_bytes(view, len);
}
}
void paste(Clipboard *clip, View *view, PasteLinesType type, bool move_after)
{
if (clip->len == 0) {
return;
}
BUG_ON(!clip->buf);
if (!clip->is_lines || type == PASTE_LINES_INLINE) {
insert_text(view, clip->buf, clip->len, move_after);
return;
}
size_t del_count = 0;
if (view->selection) {
del_count = prepare_selection(view);
unselect(view);
}
const long x = view_get_preferred_x(view);
if (!del_count) {
if (type == PASTE_LINES_BELOW_CURSOR) {
block_iter_eat_line(&view->cursor);
} else {
BUG_ON(type != PASTE_LINES_ABOVE_CURSOR);
block_iter_bol(&view->cursor);
}
}
buffer_replace_bytes(view, del_count, clip->buf, clip->len);
if (move_after) {
block_iter_skip_bytes(&view->cursor, clip->len);
} else {
// Try to keep cursor column
move_to_preferred_x(view, x);
}
// New preferred_x
view_reset_preferred_x(view);
}
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