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term

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kj
This commit is contained in:
Julia 2024-04-05 17:06:19 -05:00
parent ba654dbcb7
commit 370ef5e0c5
1 changed files with 31 additions and 99 deletions
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130
source/term/term.c
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@ -23,17 +23,7 @@ struct Terminal {
size_t area; size_t area;
size_t buf_size; size_t buf_size;
struct TChar4 *bufs[2]; struct TChar4 *buf;
u8f switch_read;
u8f switch_write;
pthread_mutex_t mutex;
pthread_cond_t update;
struct {
u8f is_writing : 1;
u8f resize : 1;
} flags;
}; };
size_t buf_size(size_t area, size_t hgt) size_t buf_size(size_t area, size_t hgt)
@ -58,24 +48,13 @@ struct Terminal NewTerm(size_t wid, size_t hgt)
.area = area, .area = area,
.buf_size = 0, .buf_size = 0,
.bufs = nullptr,
.switch_read = 0,
.switch_write = 0,
.mutex = PTHREAD_MUTEX_INITIALIZER,
.update = PTHREAD_COND_INITIALIZER,
.flags.is_writing = true,
.flags.resize = false
}; };
} }
void TermSetBufs(struct Terminal *term, struct TChar4 *buf0, struct TChar4 *buf1) void TermSetBufs(struct Terminal *term, struct TChar4 *buf)
{ {
term->buf_size = buf_size(term->area, term->hgt); term->buf_size = buf_size(term->area, term->hgt);
term->bufs[0] = buf0; term->buf = buf;
term->bufs[1] = buf1;
} }
void TermResize(struct Terminal *term, size_t wid, size_t hgt) void TermResize(struct Terminal *term, size_t wid, size_t hgt)
@ -83,81 +62,11 @@ void TermResize(struct Terminal *term, size_t wid, size_t hgt)
size_t area = wid * hgt; size_t area = wid * hgt;
size_t buf_size = term_buf_size(area, hgt); size_t buf_size = term_buf_size(area, hgt);
pthread_mutex_lock(&term->mutex); term->wid = wid;
{ term->hgt = hgt;
term->wid = wid;
term->hgt = hgt;
term->area = area; term->area = area;
term->buf_size = buf_size; term->buf_size = buf_size;
term->flags.resize = true;
pthread_cond_signal(&term->update);
}
pthread_mutex_unlock(&term->mutex);
}
void UpdateTerm(struct Terminal *term)
{
pthread_mutex_lock(&term->mutex);
{
term->switch_read = term->switch_write;
term->switch_write = (term->switch_write + 1) % 2;
term->flags.is_writing = false;
pthread_cond_signal(&term->update);
}
pthread_mutex_unlock(&term->mutex);
}
bool TermWaitUpdate(struct Terminal *term)
{
while (term->flags.is_writing) {
pthread_cond_wait(&term->update, &term->mutex);
if (term->flags.resize) {
term->flags.resize = false;
return false;
}
}
return true;
}
void TermSignalSafe(struct Terminal *term)
{
pthread_cond_signal(&term->update);
}
void WaitSafeTerm(struct Terminal *term)
{
pthread_mutex_lock(&term->mutex);
while (term->bufs == nullptr) {
pthread_cond_wait(&term->update, &term->mutex);
}
pthread_mutex_unlock(&term->mutex);
}
void TermLock(struct Terminal *term)
{
pthread_mutex_lock(&term->mutex);
}
void TermUnlock(struct Terminal *term)
{
pthread_mutex_unlock(&term->mutex);
}
size_t printcol4(char *buf, size_t at, size_t max, u8f col, char ch)
{
if (col < 8)
col += 30;
else
col += 82;
return snprintf(buf + at, max - at, "\x1b[%um%c", col, ch);
} }
size_t printblk4(char *buf, size_t at, size_t max, struct TChar4 *blk) size_t printblk4(char *buf, size_t at, size_t max, struct TChar4 *blk)
@ -177,6 +86,29 @@ size_t printblk4(char *buf, size_t at, size_t max, struct TChar4 *blk)
return snprintf(buf + at, max - at, "\x1b[%u;%um%c", bg, fg, blk->ch); return snprintf(buf + at, max - at, "\x1b[%u;%um%c", bg, fg, blk->ch);
} }
size_t u8_to_buf(char *buf, u8f x)
{
}
size_t print4(char *buf, struct TChar4 *blk)
{
u8f bg = blk->bg + (blk->bg < 8 ? 40 : 92);
u8f fg = blk->fg + (blk->fg < 8 ? 30 : 82);
memcpy(buf, "\x1b[", 2);
}
size_t TermOut_(struct Terminal *term, char *buf)
{
struct TChar4 last;
size_t filled = 0;
memcpy(buf, "\x1b[H\x1b[0m", 7);
}
size_t TermOut(struct Terminal *term, char *buf) size_t TermOut(struct Terminal *term, char *buf)
{ {
u8f last_bg = 0; u8f last_bg = 0;
@ -187,7 +119,7 @@ size_t TermOut(struct Terminal *term, char *buf)
for(size_t y = 0; y < term->hgt; y++) { for(size_t y = 0; y < term->hgt; y++) {
for(size_t x = 0; x < term->wid; x++) { for(size_t x = 0; x < term->wid; x++) {
size_t i = y * term->wid + x; size_t i = y * term->wid + x;
struct TChar4 *blk = &term->bufs[i]; struct TChar4 *blk = &term->buf[i];
// DEBUG // DEBUG
if (blk->ch == 0) if (blk->ch == 0)