From 50650e28ea5641b200727fcbe14de83fa10e2c49 Mon Sep 17 00:00:00 2001
From: Campbell Barton <ideasman42@gmail.com>
Date: Sun, 12 Jan 2014 00:38:44 +1100
Subject: [PATCH] Events: support for buttons 6 & 7 (some trackballs have
 these) X11 only

Patch by Marcus von Appen

Note: this patch makes ISMOUSE accept INBETWEEN_MOUSEMOVE as a mouse
event where before it didnt.
---
 intern/ghost/GHOST_Types.h                            | 3 +++
 intern/ghost/intern/GHOST_SystemX11.cpp               | 4 ++++
 source/blender/makesrna/intern/rna_wm.c               | 4 ++++
 source/blender/windowmanager/intern/wm_event_system.c | 4 ++++
 source/blender/windowmanager/wm_event_types.h         | 5 ++++-
 5 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/intern/ghost/GHOST_Types.h b/intern/ghost/GHOST_Types.h
index 35dff73f4af..7333ba025a5 100644
--- a/intern/ghost/GHOST_Types.h
+++ b/intern/ghost/GHOST_Types.h
@@ -148,6 +148,9 @@ typedef enum {
 	GHOST_kButtonMaskRight,
 	GHOST_kButtonMaskButton4,
 	GHOST_kButtonMaskButton5,
+	/* Trackballs and programmable buttons */
+	GHOST_kButtonMaskButton6,
+	GHOST_kButtonMaskButton7,
 	GHOST_kButtonNumMasks
 } GHOST_TButtonMask;
 
diff --git a/intern/ghost/intern/GHOST_SystemX11.cpp b/intern/ghost/intern/GHOST_SystemX11.cpp
index 0746dd8f14a..3b12d917ced 100644
--- a/intern/ghost/intern/GHOST_SystemX11.cpp
+++ b/intern/ghost/intern/GHOST_SystemX11.cpp
@@ -902,6 +902,10 @@ GHOST_SystemX11::processEvent(XEvent *xe)
 			 * you can re-order button mapping like this... (swaps 6,7 with 8,9)
 			 *   xmodmap -e "pointer = 1 2 3 4 5 8 9 6 7"
 			 */
+			else if (xbe.button == 6)
+				gbmask = GHOST_kButtonMaskButton6;
+			else if (xbe.button == 7)
+				gbmask = GHOST_kButtonMaskButton7;
 			else if (xbe.button == 8)
 				gbmask = GHOST_kButtonMaskButton4;
 			else if (xbe.button == 9)
diff --git a/source/blender/makesrna/intern/rna_wm.c b/source/blender/makesrna/intern/rna_wm.c
index 0eda2662e43..f4f2f834398 100644
--- a/source/blender/makesrna/intern/rna_wm.c
+++ b/source/blender/makesrna/intern/rna_wm.c
@@ -81,6 +81,8 @@ static EnumPropertyItem event_mouse_type_items[] = {
 	{RIGHTMOUSE, "RIGHTMOUSE", 0, "Right", ""},
 	{BUTTON4MOUSE, "BUTTON4MOUSE", 0, "Button4", ""},
 	{BUTTON5MOUSE, "BUTTON5MOUSE", 0, "Button5", ""},
+	{BUTTON6MOUSE, "BUTTON6MOUSE", 0, "Button6", ""},
+	{BUTTON7MOUSE, "BUTTON7MOUSE", 0, "Button7", ""},
 	{ACTIONMOUSE, "ACTIONMOUSE", 0, "Action", ""},
 	{SELECTMOUSE, "SELECTMOUSE", 0, "Select", ""},
 	{0, "", 0, NULL, NULL},
@@ -173,6 +175,8 @@ EnumPropertyItem event_type_items[] = {
 	{RIGHTMOUSE, "RIGHTMOUSE", 0, "Right Mouse", ""},
 	{BUTTON4MOUSE, "BUTTON4MOUSE", 0, "Button4 Mouse", ""},
 	{BUTTON5MOUSE, "BUTTON5MOUSE", 0, "Button5 Mouse", ""},
+	{BUTTON6MOUSE, "BUTTON6MOUSE", 0, "Button6 Mouse", ""},
+	{BUTTON7MOUSE, "BUTTON7MOUSE", 0, "Button7 Mouse", ""},
 	{ACTIONMOUSE, "ACTIONMOUSE", 0, "Action Mouse", ""},
 	{SELECTMOUSE, "SELECTMOUSE", 0, "Select Mouse", ""},
 	{0, "", 0, NULL, NULL},
diff --git a/source/blender/windowmanager/intern/wm_event_system.c b/source/blender/windowmanager/intern/wm_event_system.c
index ef9b7c4f1b0..e4dfae284fe 100644
--- a/source/blender/windowmanager/intern/wm_event_system.c
+++ b/source/blender/windowmanager/intern/wm_event_system.c
@@ -3011,6 +3011,10 @@ void wm_event_add_ghostevent(wmWindowManager *wm, wmWindow *win, int type, int U
 				event.type = BUTTON4MOUSE;
 			else if (bd->button == GHOST_kButtonMaskButton5)
 				event.type = BUTTON5MOUSE;
+			else if (bd->button == GHOST_kButtonMaskButton6)
+				event.type = BUTTON6MOUSE;
+			else if (bd->button == GHOST_kButtonMaskButton7)
+				event.type = BUTTON7MOUSE;
 			else
 				event.type = MIDDLEMOUSE;
 			
diff --git a/source/blender/windowmanager/wm_event_types.h b/source/blender/windowmanager/wm_event_types.h
index df3096eed07..08cbd535262 100644
--- a/source/blender/windowmanager/wm_event_types.h
+++ b/source/blender/windowmanager/wm_event_types.h
@@ -65,6 +65,9 @@
 		/* Extra mouse buttons */
 #define BUTTON4MOUSE	7
 #define BUTTON5MOUSE	8
+		/* More mouse buttons - can't use 9 and 10 here (wheel) */
+#define BUTTON6MOUSE	18
+#define BUTTON7MOUSE	19
 		/* Extra trackpad gestures */
 #define MOUSEPAN		14
 #define MOUSEZOOM		15
@@ -297,7 +300,7 @@ enum {
 #define ISKEYMODIFIER(event_type)  ((event_type >= LEFTCTRLKEY && event_type <= LEFTSHIFTKEY) || event_type == OSKEY)
 
 	/* test whether the event is a mouse button */
-#define ISMOUSE(event_type)  (event_type >= LEFTMOUSE && event_type <= MOUSEROTATE)
+#define ISMOUSE(event_type)  (event_type >= LEFTMOUSE && event_type <= BUTTON7MOUSE)
 
 	/* test whether the event is tweak event */
 #define ISTWEAK(event_type)  (event_type >= EVT_TWEAK_L && event_type <= EVT_GESTURE)