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WM: add utility to lookup a keymap item from an event

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Useful for modal operators to be able to match events
against regular keymaps.
This commit is contained in:
Campbell Barton
2019-10-28 04:53:44 +11:00
parent ae55523013
commit dd904f6761
3 changed files with 36 additions and 7 deletions
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4
source/blender/windowmanager/WM_api.h
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@@ -243,6 +243,10 @@ void WM_event_set_keymap_handler_post_callback(struct wmEventHandler_Keymap *han
wmKeyMap *WM_event_get_keymap_from_handler(wmWindowManager *wm,
struct wmEventHandler_Keymap *handler);
wmKeyMapItem *WM_event_match_keymap_item(struct bContext *C,
wmKeyMap *keymap,
const struct wmEvent *event);
typedef int (*wmUIHandlerFunc)(struct bContext *C, const struct wmEvent *event, void *userdata);
typedef void (*wmUIHandlerRemoveFunc)(struct bContext *C, void *userdata);

23
source/blender/windowmanager/intern/wm_event_system.c
View File

@@ -5002,6 +5002,19 @@ wmKeyMap *WM_event_get_keymap_from_handler(wmWindowManager *wm, wmEventHandler_K
return keymap;
}
wmKeyMapItem *WM_event_match_keymap_item(bContext *C, wmKeyMap *keymap, const wmEvent *event)
{
for (wmKeyMapItem *kmi = keymap->items.first; kmi; kmi = kmi->next) {
if (wm_eventmatch(event, kmi)) {
wmOperatorType *ot = WM_operatortype_find(kmi->idname, 0);
if (WM_operator_poll_context(C, ot, WM_OP_INVOKE_DEFAULT)) {
return kmi;
}
}
}
return NULL;
}
static wmKeyMapItem *wm_kmi_from_event(bContext *C,
wmWindowManager *wm,
ListBase *handlers,
@@ -5017,13 +5030,9 @@ static wmKeyMapItem *wm_kmi_from_event(bContext *C,
wmEventHandler_Keymap *handler = (wmEventHandler_Keymap *)handler_base;
wmKeyMap *keymap = WM_event_get_keymap_from_handler(wm, handler);
if (keymap && WM_keymap_poll(C, keymap)) {
for (wmKeyMapItem *kmi = keymap->items.first; kmi; kmi = kmi->next) {
if (wm_eventmatch(event, kmi)) {
wmOperatorType *ot = WM_operatortype_find(kmi->idname, 0);
if (WM_operator_poll_context(C, ot, WM_OP_INVOKE_DEFAULT)) {
return kmi;
}
}
wmKeyMapItem *kmi = WM_event_match_keymap_item(C, keymap, event);
if (kmi != NULL) {
return kmi;
}
}
}