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Return terminal responses from write method

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Updates the `write()` method to return a String containing any responses
from the terminal. For example, these could be responses to a cursor
position request such as "\u001b[6n".
This commit is contained in:
Leroy Hopson 2024-02-10 21:09:31 +13:00
parent 9fde38045a
commit 07687e2cd8
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GPG key ID: D2747312A6DB51AA
2 changed files with 16 additions and 7 deletions
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19
addons/godot_xterm/native/src/terminal.cpp
View file

@ -120,7 +120,7 @@ int Terminal::get_max_scrollback() const
return max_scrollback; return max_scrollback;
} }
void Terminal::write(Variant data) String Terminal::write(const Variant data)
{ {
PackedByteArray bytes; PackedByteArray bytes;
@ -133,16 +133,16 @@ void Terminal::write(Variant data)
bytes = data; bytes = data;
break; break;
default: default:
ERR_FAIL_MSG("Data must be a String or PackedByteArray."); ERR_FAIL_V_MSG("", "Data must be a String or PackedByteArray.");
return;
} }
if (bytes.is_empty()) if (bytes.is_empty()) return "";
return;
response.clear();
tsm_vte_input(vte, (char *)bytes.ptr(), bytes.size()); tsm_vte_input(vte, (char *)bytes.ptr(), bytes.size());
queue_redraw(); queue_redraw();
return response.get_string_from_utf8();
} }
void Terminal::_notification(int what) void Terminal::_notification(int what)
@ -176,6 +176,13 @@ void Terminal::_notification(int what)
void Terminal::_write_cb(tsm_vte *vte, const char *u8, size_t len, void *data) void Terminal::_write_cb(tsm_vte *vte, const char *u8, size_t len, void *data)
{ {
Terminal *term = static_cast<Terminal *>(data); Terminal *term = static_cast<Terminal *>(data);
if (len > 0) {
size_t old_size = term->response.size();
term->response.resize(old_size + len);
uint8_t *dest = term->response.ptrw() + old_size;
memcpy(dest, u8, len);
}
} }
int Terminal::_draw_cb(struct tsm_screen *con, int Terminal::_draw_cb(struct tsm_screen *con,

4
addons/godot_xterm/native/src/terminal.h
View file

@ -71,7 +71,7 @@ namespace godot
void set_inverse_mode(const int mode); void set_inverse_mode(const int mode);
int get_inverse_mode() const; int get_inverse_mode() const;
void write(Variant data); String write(const Variant data);
protected: protected:
static void _bind_methods(); static void _bind_methods();
@ -93,8 +93,10 @@ namespace godot
tsm_vte *vte; tsm_vte *vte;
tsm_age_t framebuffer_age; tsm_age_t framebuffer_age;
PackedByteArray response;
static void _write_cb(struct tsm_vte *vte, const char *u8, size_t len, static void _write_cb(struct tsm_vte *vte, const char *u8, size_t len,
void *data); void *data);
static int _draw_cb(struct tsm_screen *con, uint64_t id, const uint32_t *ch, static int _draw_cb(struct tsm_screen *con, uint64_t id, const uint32_t *ch,
size_t len, unsigned int width, unsigned int posx, size_t len, unsigned int width, unsigned int posx,
unsigned int posy, const struct tsm_screen_attr *attr, unsigned int posy, const struct tsm_screen_attr *attr,