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Fix #458

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Kovid Goyal 2018-04-14 08:41:40 +05:30
parent d9cc065c99
commit 3f9d04b616
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 14 additions and 14 deletions
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28
kitty/glfw.c
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@ -16,6 +16,7 @@ extern void cocoa_set_titlebar_color(void *w);
#endif
static GLFWcursor *standard_cursor = NULL, *click_cursor = NULL, *arrow_cursor = NULL;
static bool event_loop_blocking_with_no_timeout = false;
void
update_os_window_viewport(OSWindow *window, bool notify_boss) {
@ -77,6 +78,17 @@ show_mouse_cursor(GLFWwindow *w) {
glfwSetInputMode(w, GLFW_CURSOR, GLFW_CURSOR_NORMAL);
}
// On Cocoa, glfwWaitEvents() can block indefinitely because of the way Cocoa
// works. See https://github.com/glfw/glfw/issues/1251. I have noticed this
// happening in particular with window resize events, when waiting with no
// timeout. See https://github.com/kovidgoyal/kitty/issues/458
// So we use an unlovely hack to workaround that case
#ifdef __APPLE__
#define unjam_event_loop() { if (event_loop_blocking_with_no_timeout) wakeup_main_loop(); }
#else
#define unjam_event_loop()
#endif
static void
framebuffer_size_callback(GLFWwindow *w, int width, int height) {
if (!set_callback_window(w)) return;
@ -84,6 +96,7 @@ framebuffer_size_callback(GLFWwindow *w, int width, int height) {
OSWindow *window = global_state.callback_os_window;
window->has_pending_resizes = true; global_state.has_pending_resizes = true;
window->last_resize_event_at = monotonic();
unjam_event_loop();
} else log_error("Ignoring resize request for tiny size: %dx%d", width, height);
global_state.callback_os_window = NULL;
}
@ -483,18 +496,6 @@ glfw_terminate(PYNOARG) {
Py_RETURN_NONE;
}
PyObject*
glfw_wait_events(PyObject UNUSED *self, PyObject *args) {
double time = -1;
if (PyTuple_GET_SIZE(args) > 0) {
time = PyFloat_AsDouble(PyTuple_GET_ITEM(args, 0));
if (PyErr_Occurred()) PyErr_Clear();
}
if (time < 0) glfwWaitEvents();
else glfwWaitEventsTimeout(time);
Py_RETURN_NONE;
}
PyObject*
glfw_post_empty_event(PYNOARG) {
glfwPostEmptyEvent();
@ -630,7 +631,7 @@ swap_window_buffers(OSWindow *w) {
void
event_loop_wait(double timeout) {
if (timeout < 0) glfwWaitEvents();
if (timeout < 0) { event_loop_blocking_with_no_timeout = true; glfwWaitEvents(); event_loop_blocking_with_no_timeout = false; }
else glfwWaitEventsTimeout(timeout);
}
@ -764,7 +765,6 @@ static PyMethodDef module_methods[] = {
METHODB(glfw_poll_events, METH_NOARGS),
{"glfw_init", (PyCFunction)glfw_init, METH_VARARGS, ""},
{"glfw_terminate", (PyCFunction)glfw_terminate, METH_NOARGS, ""},
{"glfw_wait_events", (PyCFunction)glfw_wait_events, METH_VARARGS, ""},
{"glfw_post_empty_event", (PyCFunction)glfw_post_empty_event, METH_NOARGS, ""},
{"glfw_get_physical_dpi", (PyCFunction)glfw_get_physical_dpi, METH_NOARGS, ""},
{"glfw_get_key_name", (PyCFunction)glfw_get_key_name, METH_VARARGS, ""},