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Fix own error using handler after freeing

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Was introduced in e7895bac07
Only certain actions caused this, reported as T55155
This commit is contained in:
Campbell Barton
2018-05-22 19:35:48 +02:00
parent e6c27b4dab
commit 78a26f28aa
2 changed files with 20 additions and 10 deletions
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21
source/blender/windowmanager/intern/wm_event_system.c
View File

@@ -1979,7 +1979,9 @@ static int wm_handler_operator_call(bContext *C, ListBase *handlers, wmEventHand
if (ot && wm_operator_check_locked_interface(C, ot)) {
bool use_last_properties = true;
PointerRNA tool_properties = {0};
if (handler->keymap_tool) {
bool use_tool_properties = (handler->keymap_tool != NULL);
if (use_tool_properties) {
WM_toolsystem_ref_properties_init_for_keymap(handler->keymap_tool, &tool_properties, properties, ot);
properties = &tool_properties;
use_last_properties = false;
@@ -1987,7 +1989,7 @@ static int wm_handler_operator_call(bContext *C, ListBase *handlers, wmEventHand
retval = wm_operator_invoke(C, ot, event, properties, NULL, false, use_last_properties);
if (handler->keymap_tool) {
if (use_tool_properties) {
WM_operator_properties_free(&tool_properties);
}
}
@@ -2263,6 +2265,7 @@ static int wm_handlers_do_intern(bContext *C, wmEvent *event, ListBase *handlers
for (kmi = keymap->items.first; kmi; kmi = kmi->next) {
if (wm_eventmatch(event, kmi)) {
struct wmEventHandler_KeymapFn keymap_callback = handler->keymap_callback;
PRINT("%s: item matched '%s'\n", __func__, kmi->idname);
@@ -2270,11 +2273,12 @@ static int wm_handlers_do_intern(bContext *C, wmEvent *event, ListBase *handlers
event->keymap_idname = kmi->idname;
action |= wm_handler_operator_call(C, handlers, handler, event, kmi->ptr);
if (action & WM_HANDLER_BREAK) {
/* not always_pass here, it denotes removed handler */
CLOG_INFO(WM_LOG_HANDLERS, 2, "handled! '%s'", kmi->idname);
if (handler->keymap_callback != NULL) {
handler->keymap_callback(keymap, kmi, handler->keymap_callback_user_data);
if (keymap_callback.handle_post_fn != NULL) {
keymap_callback.handle_post_fn(keymap, kmi, keymap_callback.user_data);
}
break;
}
@@ -2411,6 +2415,7 @@ static int wm_handlers_do_intern(bContext *C, wmEvent *event, ListBase *handlers
PRINT("pass\n");
for (kmi = keymap->items.first; kmi; kmi = kmi->next) {
if (wm_eventmatch(event, kmi)) {
struct wmEventHandler_KeymapFn keymap_callback = handler->keymap_callback;
wmOperator *op = handler->op;
PRINT("%s: item matched '%s'\n", __func__, kmi->idname);
@@ -2428,8 +2433,8 @@ static int wm_handlers_do_intern(bContext *C, wmEvent *event, ListBase *handlers
CTX_wm_manipulator_group_set(C, NULL);
if (action & WM_HANDLER_BREAK) {
if (handler->keymap_callback != NULL) {
handler->keymap_callback(keymap, kmi, handler->keymap_callback_user_data);
if (keymap_callback.handle_post_fn != NULL) {
keymap_callback.handle_post_fn(keymap, kmi, keymap_callback.user_data);
}
if (G.debug & (G_DEBUG_EVENTS | G_DEBUG_HANDLERS)) {
@@ -3191,8 +3196,8 @@ void WM_event_set_keymap_handler_callback(
void (keymap_tag)(wmKeyMap *keymap, wmKeyMapItem *kmi, void *user_data),
void *user_data)
{
handler->keymap_callback = keymap_tag;
handler->keymap_callback_user_data = user_data;
handler->keymap_callback.handle_post_fn = keymap_tag;
handler->keymap_callback.user_data = user_data;
}
wmEventHandler *WM_event_add_ui_handler(

9
source/blender/windowmanager/wm_event_system.h
View File

@@ -42,6 +42,11 @@ struct ARegion;
/* wmKeyMap is in DNA_windowmanager.h, it's savable */
struct wmEventHandler_KeymapFn {
void (*handle_post_fn)(wmKeyMap *keymap, wmKeyMapItem *kmi, void *user_data);
void *user_data;
};
typedef struct wmEventHandler {
struct wmEventHandler *next, *prev;
@@ -52,8 +57,8 @@ typedef struct wmEventHandler {
wmKeyMap *keymap; /* pointer to builtin/custom keymaps */
const rcti *bblocal, *bbwin; /* optional local and windowspace bb */
/* Run after the keymap item runs. */
void (*keymap_callback)(wmKeyMap *keymap, wmKeyMapItem *kmi, void *user_data);
void *keymap_callback_user_data;
struct wmEventHandler_KeymapFn keymap_callback;
struct bToolRef *keymap_tool;
/* modal operator handler */