This commit is contained in:
Daniel Eklöf 2019-07-09 09:17:24 +02:00
parent 0f14b5298e
commit d7bb83022d
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GPG key ID: 5BBD4992C116573F
4 changed files with 14 additions and 589 deletions

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@ -4,6 +4,8 @@
#include <unistd.h>
#include <assert.h>
#include <linux/input-event-codes.h>
#define LOG_MODULE "terminal"
#define LOG_ENABLE_DBG 0
#include "log.h"
@ -12,142 +14,17 @@
#define min(x, y) ((x) < (y) ? (x) : (y))
#define max(x, y) ((x) > (y) ? (x) : (y))
#if 0
static bool
damage_merge_range(struct terminal *term, const struct damage *dmg)
{
if (tll_length(term->grid->damage) == 0)
return false;
struct damage *old = &tll_back(term->grid->damage);
if (old->type != dmg->type)
return false;
const int start = dmg->range.start;
const int end = start + dmg->range.length;
const int prev_start = old->range.start;
const int prev_end = prev_start + old->range.length;
if ((start >= prev_start && start <= prev_end) ||
(end >= prev_start && end <= prev_end) ||
(start <= prev_start && end >= prev_end))
{
/* The two damage ranges intersect */
int new_start = min(start, prev_start);
int new_end = max(end, prev_end);
old->range.start = new_start;
old->range.length = new_end - new_start;
return true;
}
return false;
}
static void
term_damage_update_or_erase(struct terminal *term, enum damage_type damage_type,
int start, int length)
{
#if 1
if (tll_length(term->grid->damage) > 1024) {
term_damage_all(term);
return;
}
#endif
struct damage dmg = {
.type = damage_type,
.range = {.start = term->grid->offset + start, .length = length},
};
if (damage_merge_range(term, &dmg))
return;
tll_push_back(term->grid->damage, dmg);
}
#endif
void
term_damage_update(struct terminal *term, int start, int length)
{
#if 0
assert(start + length <= term->rows * term->cols);
term_damage_update_or_erase(term, DAMAGE_UPDATE, start, length);
#endif
}
void
term_damage_erase(struct terminal *term, int start, int length)
{
#if 0
assert(start + length <= term->rows * term->cols);
term_damage_update_or_erase(term, DAMAGE_ERASE, start, length);
#endif
}
void
term_damage_all(struct terminal *term)
{
#if 0
tll_free(term->grid->damage);
tll_free(term->grid->scroll_damage);
term_damage_update(term, 0, term->rows * term->cols);
#else
for (int i = 0; i < term->rows; i++)
grid_row(term->grid, i)->dirty = true;
#endif
}
#if 0
static void
damage_adjust_after_scroll(struct terminal *term, enum damage_type damage_type,
struct scroll_region region, int lines)
{
tll_foreach(term->grid->damage, it) {
#if 0
if (it->item.range.start < term->grid->offset) {
int end = it->item.range.start + it->item.range.length;
if (end >= term->grid->offset) {
it->item.range.start = term->grid->offset;
it->item.range.length = end - it->item.range.start;
} else {
tll_remove(term->grid->damage, it);
}
}
#endif
int start = it->item.range.start;
int end = start + it->item.range.length;
if (start -
}
}
#endif
void
term_damage_scroll(struct terminal *term, enum damage_type damage_type,
struct scroll_region region, int lines)
{
#if 0
//damage_adjust_after_scroll(term, damage_type, region, lines);
if (damage_type == DAMAGE_SCROLL) {
tll_foreach(term->grid->damage, it) {
int start = it->item.range.start;
int length = it->item.range.length;
if (start < term->grid->offset) {
int end = start + length;
if (end >= term->grid->offset) {
it->item.range.start = term->grid->offset;
it->item.range.length = end - it->item.range.start;
} else
tll_remove(term->grid->damage, it);
} else
break;
}
}
#endif
if (tll_length(term->grid->scroll_damage) > 0) {
struct damage *dmg = &tll_back(term->grid->scroll_damage);
@ -166,40 +43,6 @@ term_damage_scroll(struct terminal *term, enum damage_type damage_type,
tll_push_back(term->grid->scroll_damage, dmg);
}
#if 0
void
term_erase(struct terminal *term, int start, int end)
{
LOG_DBG("erase: %d-%d", start, end);
assert(end >= start);
assert(end <= term->rows * term->cols);
if (term->vt.attrs.have_background) {
int erase_start = start;
int left = end - erase_start;
while (left > 0) {
int len = left;
struct cell *cells = grid_get_range(term->grid, erase_start, &len);
memset(cells, 0, len * sizeof(cells[0]));
for (int i = 0; i < len; i++) {
cells[i].attrs.background = term->vt.attrs.background;
cells[i].attrs.have_background = true;
}
erase_start += len;
left -= len;
}
term_damage_update(term, start, end - start);
} else {
grid_memclear(term->grid, start, end - start);
term_damage_erase(term, start, end - start);
}
}
#else
static inline void
erase_cell_range(struct terminal *term, struct row *row, int start, int end)
{
@ -246,7 +89,6 @@ term_erase(struct terminal *term, const struct coord *start, const struct coord
erase_cell_range(term, grid_row(term->grid, end->row), 0, end->col);
}
#endif
void
term_cursor_to(struct terminal *term, int row, int col)
@ -301,72 +143,23 @@ term_scroll_partial(struct terminal *term, struct scroll_region region, int rows
assert(rows < term->rows && "unimplemented");
/* Top non-scrolling region */
for (int i = region.start - 1; i >= 0; i--)
grid_swap_row(term->grid, i, i + rows);
if (region.start > 0) {
#if 0
tll_foreach(term->grid->damage, it) {
int start = it->item.range.start - term->grid->offset;
int end __attribute__((unused)) = start + it->item.range.length;
if (start < region.start * term->cols) {
assert(end <= region.start * term->cols);
it->item.range.start += rows * term->cols;
}
}
#endif
}
/* Bottom non-scrolling region */
for (int i = term->rows - 1; i >= region.end; i--)
grid_swap_row(term->grid, i, i + rows);
if (region.end < term->rows) {
#if 0
grid_memmove(
term->grid,
(region.end + rows) * term->cols,
region.end * term->cols,
(term->rows - region.end) * term->cols);
#endif
#if 0
tll_foreach(term->grid->damage, it) {
int start = it->item.range.start - term->grid->offset;
int end = start + it->item.range.length;
if (end > region.end * term->cols) {
assert(start >= region.end * term->cols);
it->item.range.start += rows * term->cols;
}
}
#endif
}
/* Offset grid origin */
term->grid->offset += rows;
term->grid->offset %= term->grid->num_rows;
#if 0
term_erase(
term,
&(struct coord){0, max(region.end - rows, 0)},
&(struct coord){term->cols - 1, region.end - 1});
#else
for (int r = max(region.end - rows, 0); r < region.end; r++)
erase_line(term, grid_row(term->grid, r));
#endif
term_damage_scroll(term, DAMAGE_SCROLL, region, rows);
term->grid->cur_row = grid_row(term->grid, term->cursor.row);
#if 0
int len = term->cols;
term->grid->cur_line = grid_get_range(
term->grid, term->cursor.linear - term->cursor.col, &len);
assert(len == term->cols);
#endif
}
void
@ -381,55 +174,14 @@ term_scroll_reverse_partial(struct terminal *term,
{
assert(rows < term->rows && "unimplemented");
if (region.end < term->rows) {
//assert(false);
#if 0
grid_memmove(
term->grid,
(region.end - rows) * term->cols,
region.end * term->cols,
(term->rows - region.end) * term->cols);
tll_foreach(term->grid->damage, it) {
int start = it->item.range.start - term->grid->offset;
int end = start + it->item.range.length;
if (end > region.end * term->cols) {
assert(start >= region.end * term->cols);
it->item.range.start -= rows * term->cols;
}
}
#endif
}
if (region.start > 0) {
//assert(false);
#if 0
grid_memmove(
term->grid, -rows * term->cols, 0, region.start * term->cols);
tll_foreach(term->grid->damage, it) {
int start = it->item.range.start - term->grid->offset;
int end __attribute__((unused)) = start + it->item.range.length;
if (start < region.start * term->cols) {
if (end > region.start * term->cols) {
LOG_ERR("region.start = %d, rows = %d, damage.start = %d, damage.end = %d (%s)",
region.start, rows, start, end, it->item.type == DAMAGE_UPDATE ? "UPDATE" : "ERASE");
abort();
}
assert(end <= region.start * term->cols);
it->item.range.start -= rows * term->cols;
}
}
#endif
}
term->grid->offset += term->grid->num_rows - rows;
term->grid->offset %= term->grid->num_rows;
/* Bottom non-scrolling region */
for (int i = region.end + rows; i < term->rows + rows; i++)
grid_swap_row(term->grid, i, i - rows);
/* Top non-scrolling region */
for (int i = 0 + rows; i < region.start + rows; i++)
grid_swap_row(term->grid, i, i - rows);
@ -440,13 +192,6 @@ term_scroll_reverse_partial(struct terminal *term,
term_damage_scroll(term, DAMAGE_SCROLL_REVERSE, region, rows);
term->grid->cur_row = grid_row(term->grid, term->cursor.row);
#if 0
int len = term->cols;
term->grid->cur_line = grid_get_range(
term->grid, term->cursor.linear - term->cursor.col, &len);
assert(len == term->cols);
#endif
}
void
@ -455,8 +200,6 @@ term_scroll_reverse(struct terminal *term, int rows)
term_scroll_reverse_partial(term, term->scroll_region, rows);
}
#include <linux/input-event-codes.h>
static int
linux_mouse_button_to_x(int button)
{