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Finally fix cursor handling??

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This commit is contained in:
Jeff Epler 2024-10-10 14:22:02 -05:00
parent b0c702822a
commit 5b1e68a45a
2 changed files with 11 additions and 5 deletions
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13
hl-vt100/src/lw_terminal_vt100.c
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@ -1207,22 +1207,27 @@ free_this:
#define CURSOR_ATTR (7 << 11) // very specific to cr100
static void show_cursor(struct lw_terminal_vt100 *this) {
// return;
unsigned x = this->x, y = this->y;
lw_cell_t cell;
if(x == this->width)
x -= 1;
if (x >= this->width || y >= this->height) {
this->cursor_saved_flag = false;
return;
}
cell = aget(this, x, y);
this->cursor_saved_cell = cell;
this->cursor_saved_x = x;
this->cursor_saved_y = y;
this->cursor_saved_flag = true;
aset(this, x, y, cell ^ CURSOR_ATTR);
}
static void hide_cursor(struct lw_terminal_vt100 *this) {
// return;
if (!this->cursor_saved_flag) { return; }
this->cursor_saved_flag = false;
unsigned x = this->cursor_saved_x, y = this->cursor_saved_y;
aset(this, x, y, this->cursor_saved_cell);
aset(this, x, y, aget(this, x, y) ^ CURSOR_ATTR);
}
void lw_terminal_vt100_read_str(struct lw_terminal_vt100 *this, const char *buffer)

3
hl-vt100/src/lw_terminal_vt100.h
View file

@ -98,10 +98,11 @@ struct lw_terminal_vt100
lw_cell_t *afrozen_screen;
char *tabulations;
bool unicode;
bool cursor_saved_flag;
unsigned int selected_charset;
unsigned int modes;
struct lw_parsed_attr parsed_attr;
lw_cell_t attr, cursor_saved_cell;
lw_cell_t attr;
int cursor_saved_x, cursor_saved_y;
const lw_cell_t *alines[80];
void (*master_write)(void *user_data, void *buffer, size_t len);