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Diffstat (limited to 'source/blender/windowmanager/intern/wm_event_system.cc')
-rw-r--r--source/blender/windowmanager/intern/wm_event_system.cc80
1 files changed, 68 insertions, 12 deletions
diff --git a/source/blender/windowmanager/intern/wm_event_system.cc b/source/blender/windowmanager/intern/wm_event_system.cc
index 0395e8bda7a..79b303364d8 100644
--- a/source/blender/windowmanager/intern/wm_event_system.cc
+++ b/source/blender/windowmanager/intern/wm_event_system.cc
@@ -2086,9 +2086,7 @@ static bool wm_eventmatch(const wmEvent *winevent, const wmKeyMapItem *kmi)
/* The matching rules. */
if (kmitype == KM_TEXTINPUT) {
if (winevent->val == KM_PRESS) { /* Prevent double clicks. */
- /* Not using #ISTEXTINPUT anymore because (at least on Windows) some key codes above 255
- * could have printable ascii keys, See T30479. */
- if (ISKEYBOARD(winevent->type) && (winevent->ascii || winevent->utf8_buf[0])) {
+ if (ISKEYBOARD(winevent->type) && winevent->utf8_buf[0]) {
return true;
}
}
@@ -5042,7 +5040,6 @@ static wmEvent *wm_event_add_mousemove_to_head(wmWindow *win)
tevent = *event_last;
tevent.flag = (eWM_EventFlag)0;
- tevent.ascii = '\0';
tevent.utf8_buf[0] = '\0';
wm_event_custom_clear(&tevent);
@@ -5136,6 +5133,53 @@ static void wm_event_state_update_and_click_set(wmEvent *event,
wm_event_state_update_and_click_set_ex(event, event_state, is_keyboard, check_double_click);
}
+/* Returns true when the two events corresponds to a press of the same key with the same modifiers.
+ */
+static bool wm_event_is_same_key_press(const wmEvent &event_a, const wmEvent &event_b)
+{
+ if (event_a.val != KM_PRESS || event_b.val != KM_PRESS) {
+ return false;
+ }
+
+ if (event_a.modifier != event_b.modifier || event_a.type != event_b.type) {
+ return false;
+ }
+
+ return true;
+}
+
+/**
+ * Returns true if the event is a key press event which is to be ignored and not added to the event
+ * queue.
+ *
+ * A key press event will be ignored if there is already matched key press in the queue.
+ * This avoids the event queue "clogging" in the situations when there is an operator bound to a
+ * key press event and the execution time of the operator is longer than the key repeat.
+ */
+static bool wm_event_is_ignorable_key_press(const wmWindow *win, const wmEvent &event)
+{
+ if (BLI_listbase_is_empty(&win->event_queue)) {
+ /* If the queue is empty never ignore the event.
+ * Empty queue at this point means that the events are handled fast enough, and there is no
+ * reason to ignore anything. */
+ return false;
+ }
+
+ if ((event.flag & WM_EVENT_IS_REPEAT) == 0) {
+ /* Only ignore repeat events from the keyboard, and allow accumulation of non-repeat events.
+ *
+ * The goal of this check is to allow events coming from a keyboard macro software, which can
+ * generate events quicker than the main loop handles them. In this case we want all events to
+ * be handled (unless the keyboard macro software tags them as repeat) because otherwise it
+ * will become impossible to get reliable results of automated events testing. */
+ return false;
+ }
+
+ const wmEvent &last_event = *reinterpret_cast<const wmEvent *>(win->event_queue.last);
+
+ return wm_event_is_same_key_press(last_event, event);
+}
+
void wm_event_add_ghostevent(wmWindowManager *wm, wmWindow *win, int type, void *customdata)
{
if (UNLIKELY(G.f & G_FLAG_EVENT_SIMULATE)) {
@@ -5329,8 +5373,7 @@ void wm_event_add_ghostevent(wmWindowManager *wm, wmWindow *win, int type, void
break;
}
- event.ascii = kd->ascii;
- /* Might be not nullptr terminated. */
+ /* Might be not null terminated. */
memcpy(event.utf8_buf, kd->utf8_buf, sizeof(event.utf8_buf));
if (kd->is_repeat) {
event.flag |= WM_EVENT_IS_REPEAT;
@@ -5341,8 +5384,6 @@ void wm_event_add_ghostevent(wmWindowManager *wm, wmWindow *win, int type, void
/* Exclude arrow keys, escape, etc from text input. */
if (type == GHOST_kEventKeyUp) {
- event.ascii = '\0';
-
/* Ghost should do this already for key up. */
if (event.utf8_buf[0]) {
CLOG_ERROR(WM_LOG_EVENTS,
@@ -5351,15 +5392,28 @@ void wm_event_add_ghostevent(wmWindowManager *wm, wmWindow *win, int type, void
event.utf8_buf[0] = '\0';
}
else {
- if (event.ascii < 32 && event.ascii > 0) {
- event.ascii = '\0';
- }
if (event.utf8_buf[0] < 32 && event.utf8_buf[0] > 0) {
event.utf8_buf[0] = '\0';
}
}
if (event.utf8_buf[0]) {
+ /* NOTE(@campbellbarton): Detect non-ASCII characters stored in `utf8_buf`,
+ * ideally this would never happen but it can't be ruled out for X11 which has
+ * special handling of Latin1 when building without UTF8 support.
+ * Avoid regressions by adding this conversions, it should eventually be removed. */
+ if ((event.utf8_buf[0] >= 0x80) && (event.utf8_buf[1] == '\0')) {
+ const uint c = (uint)event.utf8_buf[0];
+ int utf8_buf_len = BLI_str_utf8_from_unicode(c, event.utf8_buf, sizeof(event.utf8_buf));
+ CLOG_ERROR(WM_LOG_EVENTS,
+ "ghost detected non-ASCII single byte character '%u', converting to utf8 "
+ "('%.*s', length=%d)",
+ c,
+ utf8_buf_len,
+ event.utf8_buf,
+ utf8_buf_len);
+ }
+
if (BLI_str_utf8_size(event.utf8_buf) == -1) {
CLOG_ERROR(WM_LOG_EVENTS,
"ghost detected an invalid unicode character '%d'",
@@ -5432,7 +5486,9 @@ void wm_event_add_ghostevent(wmWindowManager *wm, wmWindow *win, int type, void
G.is_break = true;
}
- wm_event_add(win, &event);
+ if (!wm_event_is_ignorable_key_press(win, event)) {
+ wm_event_add(win, &event);
+ }
break;
}