From a5a07b092bec2e3ff870048c8bf0cf8555e7aca0 Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Sun, 1 Jan 2017 17:35:09 +0100
Subject: Fix button event direction on double clicks on Windows.
---
plugingui/nativewindow_win32.cc | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
(limited to 'plugingui')
diff --git a/plugingui/nativewindow_win32.cc b/plugingui/nativewindow_win32.cc
index 57302eb..f2094af 100644
--- a/plugingui/nativewindow_win32.cc
+++ b/plugingui/nativewindow_win32.cc
@@ -153,6 +153,11 @@ LRESULT CALLBACK NativeWindowWin32::dialogProc(HWND hwnd, UINT msg,
break; // unknown button
}
+ // Double-clicking the a mouse button actually generates a sequence
+ // of four messages: WM_xBUTTONDOWN, WM_xBUTTONUP, WM_xBUTTONDBLCLK, and
+ // WM_xBUTTONUP. In other words the second WM_xBUTTONDOWN is replaced by a
+ // WM_xBUTTONDBLCLK. We simply 'return it' as a WM_xBUTTONDOWN but set the
+ // doubleClick boolean hint accordingly.
if(msg == WM_LBUTTONUP ||
msg == WM_RBUTTONUP ||
msg == WM_MBUTTONUP)
@@ -161,7 +166,10 @@ LRESULT CALLBACK NativeWindowWin32::dialogProc(HWND hwnd, UINT msg,
}
else if(msg == WM_LBUTTONDOWN ||
msg == WM_RBUTTONDOWN ||
- msg == WM_MBUTTONDOWN)
+ msg == WM_MBUTTONDOWN ||
+ msg == WM_LBUTTONDBLCLK ||
+ msg == WM_RBUTTONDBLCLK ||
+ msg == WM_MBUTTONDBLCLK)
{
buttonEvent->direction = Direction::down;
}
--
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