[Bf-blender-cvs] [6db49261cc1] master: Cleanup: make modal event double click handling more straightforward

[Campbell Barton]

Commit: 6db49261cc18cb70766c3e5f41180839d24b4c9b
Author: Campbell Barton
Date:   Fri Mar 8 14:16:32 2019 +1100
Branches: master
https://developer.blender.org/rB6db49261cc18cb70766c3e5f41180839d24b4c9b

Cleanup: make modal event double click handling more straightforward

===================================================================

M	source/blender/windowmanager/intern/wm_event_system.c

===================================================================

diff --git a/source/blender/windowmanager/intern/wm_event_system.c b/source/blender/windowmanager/intern/wm_event_system.c
index 0ac5265fac4..1ae3f7ffb79 100644
--- a/source/blender/windowmanager/intern/wm_event_system.c
+++ b/source/blender/windowmanager/intern/wm_event_system.c
@@ -1929,45 +1929,52 @@ static bool wm_eventmatch(const wmEvent *winevent, const wmKeyMapItem *kmi)
 	return true;
 }
 
+static wmKeyMapItem *wm_eventmatch_modal_keymap_items(const wmKeyMap *keymap, wmOperator *op, const wmEvent *event)
+{
+	for (wmKeyMapItem *kmi = keymap->items.first; kmi; kmi = kmi->next) {
+		if (wm_eventmatch(event, kmi)) {
+			if ((keymap->poll_modal_item == NULL) ||
+			    (keymap->poll_modal_item(op, kmi->propvalue)))
+			{
+				return kmi;
+			}
+		}
+	}
+	return NULL;
+}
+
 
 /* operator exists */
 static void wm_event_modalkeymap(const bContext *C, wmOperator *op, wmEvent *event, bool *dbl_click_disabled)
 {
-	wmOperator *op_init = op;
-
 	/* support for modal keymap in macros */
 	if (op->opm)
 		op = op->opm;
 
 	if (op->type->modalkeymap) {
 		wmKeyMap *keymap = WM_keymap_active(CTX_wm_manager(C), op->type->modalkeymap);
-		wmKeyMapItem *kmi;
+		wmKeyMapItem *kmi = NULL;
 
-		for (kmi = keymap->items.first; kmi; kmi = kmi->next) {
-			if (wm_eventmatch(event, kmi)) {
-				if ((keymap->poll_modal_item == NULL) ||
-				    (keymap->poll_modal_item(op, kmi->propvalue)))
-				{
-					event->prevtype = event->type;
-					event->prevval = event->val;
-					event->type = EVT_MODAL_MAP;
-					event->val = kmi->propvalue;
-					break;
-				}
-			}
-		}
+		const wmEvent *event_match = NULL;
+		wmEvent event_no_dbl_click;
 
-		/* If double click isn't handled, re-run this function with with press. */
-		if ((event->type != EVT_MODAL_MAP) &&
-		    (event->val == KM_DBL_CLICK))
-		{
-			event->val = KM_PRESS;
-			wm_event_modalkeymap(C, op_init, event, NULL);
-			if (event->type != EVT_MODAL_MAP) {
-				event->val = KM_DBL_CLICK;
+		if ((kmi = wm_eventmatch_modal_keymap_items(keymap, op, event))) {
+			event_match = event;
+		}
+		else if (event->val == KM_DBL_CLICK) {
+			event_no_dbl_click = *event;
+			event_no_dbl_click.val = KM_PRESS;
+			if ((kmi = wm_eventmatch_modal_keymap_items(keymap, op, &event_no_dbl_click))) {
+				event_match = &event_no_dbl_click;
 			}
 		}
 
+		if (event_match != NULL) {
+			event->prevtype = event_match->type;
+			event->prevval = event_match->val;
+			event->type = EVT_MODAL_MAP;
+			event->val = kmi->propvalue;
+		}
 	}
 	else {
 		/* modal keymap checking returns handled events fine, but all hardcoded modal