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Implement protocol for atomic screen updates

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See https://gitlab.com/gnachman/iterm2/wikis/synchronized-updates-spec
This commit is contained in:
Kovid Goyal
2018-07-23 13:24:49 +05:30
parent 1695f6800c
commit e0ff6bcc5d
5 changed files with 259 additions and 43 deletions
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12
kitty/screen.c
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@@ -111,6 +111,7 @@ new(PyTypeObject *type, PyObject *args, PyObject UNUSED *kwds) {
self->main_grman = grman_alloc();
self->alt_grman = grman_alloc();
self->grman = self->main_grman;
self->pending_mode.wait_time = 2.0;
self->main_tabstops = PyMem_Calloc(2 * self->columns, sizeof(bool));
if (self->cursor == NULL || self->main_linebuf == NULL || self->alt_linebuf == NULL || self->main_tabstops == NULL || self->historybuf == NULL || self->main_grman == NULL || self->alt_grman == NULL || self->color_profile == NULL) {
Py_CLEAR(self); return NULL;
@@ -272,6 +273,7 @@ dealloc(Screen* self) {
PyMem_Free(self->overlay_line.cpu_cells);
PyMem_Free(self->overlay_line.gpu_cells);
PyMem_Free(self->main_tabstops);
free(self->pending_mode.buf);
Py_TYPE(self)->tp_free((PyObject*)self);
} // }}}
@@ -659,6 +661,7 @@ void
screen_set_8bit_controls(Screen *self, bool yes) {
self->modes.eight_bit_controls = yes;
}
// }}}
// Cursor {{{
@@ -1603,6 +1606,14 @@ deactivate_overlay_line(Screen *self) {
#define WRAP2(name, defval1, defval2) static PyObject* name(Screen *self, PyObject *args) { unsigned int a=defval1, b=defval2; if(!PyArg_ParseTuple(args, "|II", &a, &b)) return NULL; screen_##name(self, a, b); Py_RETURN_NONE; }
#define WRAP2B(name) static PyObject* name(Screen *self, PyObject *args) { unsigned int a, b; int p; if(!PyArg_ParseTuple(args, "IIp", &a, &b, &p)) return NULL; screen_##name(self, a, b, (bool)p); Py_RETURN_NONE; }
static PyObject*
set_pending_timeout(Screen *self, PyObject *val) {
if (!PyFloat_Check(val)) { PyErr_SetString(PyExc_TypeError, "timeout must be a float"); return NULL; }
PyObject *ans = PyFloat_FromDouble(self->pending_mode.wait_time);
self->pending_mode.wait_time = PyFloat_AS_DOUBLE(val);
return ans;
}
static PyObject*
as_text(Screen *self, PyObject *args) {
as_text_generic(args, self, visual_line_, self->lines, self->columns);
@@ -2095,6 +2106,7 @@ static PyMethodDef methods[] = {
MND(cursor_down1, METH_VARARGS)
MND(cursor_forward, METH_VARARGS)
{"index", (PyCFunction)xxx_index, METH_VARARGS, ""},
MND(set_pending_timeout, METH_O)
MND(as_text, METH_VARARGS)
MND(as_text_non_visual, METH_VARARGS)
MND(tab, METH_NOARGS)