From db36eff9f7d1eea8ed93434bdb679c37e31681db Mon Sep 17 00:00:00 2001
From: Justin Jones <jjones780>
Date: Thu, 10 Jan 2019 15:46:44 +0100
Subject: UI: make pie menus stick only when tapping key.

When holding down the key for a while, the pie menu will disappear when
releasing the key. This is under the assumption that in this case the user
decided to cancel the action.

Differential Revision: https://developer.blender.org/D4180
---
 source/blender/editors/interface/interface_handlers.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'source/blender/editors/interface')

diff --git a/source/blender/editors/interface/interface_handlers.c b/source/blender/editors/interface/interface_handlers.c
index 32cd22b0368..f649cfb04e2 100644
--- a/source/blender/editors/interface/interface_handlers.c
+++ b/source/blender/editors/interface/interface_handlers.c
@@ -9320,6 +9320,7 @@ static int ui_pie_handler(bContext *C, const wmEvent *event, uiPopupBlockHandle
 
 	ui_window_to_block_fl(ar, block, &event_xy[0], &event_xy[1]);
 
+	/* Distance from initial point. */
 	dist = ui_block_calc_pie_segment(block, event_xy);
 
 	if (but && button_modal_state(but->active->state)) {
@@ -9404,8 +9405,9 @@ static int ui_pie_handler(bContext *C, const wmEvent *event, uiPopupBlockHandle
 				ED_region_tag_redraw(ar);
 			}
 			else {
-				/* distance from initial point */
-				if (!(block->pie_data.flags & UI_PIE_DRAG_STYLE)) {
+				if ((duration < 0.01 * U.pie_tap_timeout) &&
+				    !(block->pie_data.flags & UI_PIE_DRAG_STYLE))
+				{
 					block->pie_data.flags |= UI_PIE_CLICK_STYLE;
 				}
 				else {
-- 
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