# HG changeset patch
# User Sam Lantinga <slouken@libsdl.org>
# Date 1183713343 0
# Node ID 1146681dbb747441e1db3cd205bde71447ad6c2d
# Parent  a19fd8bcdd523af9428a938dc2fcca4d91db80bc
Fixed bug #382

Added horizontal scrolling support: SDL_BUTTON_WHEELLEFT (6) and SDL_BUTTON_WHEELRIGHT (7)

diff -r a19fd8bcdd52 -r 1146681dbb74 WhatsNew
--- a/WhatsNew	Fri Jul 06 07:45:33 2007 +0000
+++ b/WhatsNew	Fri Jul 06 09:15:43 2007 +0000
@@ -7,6 +7,8 @@
 	Added SDL_VIDEO_ALLOW_SCREENSAVER to override SDL's disabling
 	of the screensaver on Mac OS X and X11.
 
+	Added SDL_BUTTON_WHEELLEFT (6) and SDL_BUTTON_WHEELRIGHT (7)
+
 1.2.10:
 	If SDL_OpenAudio() is passed zero for the desired format
 	fields, the following environment variables will be used
diff -r a19fd8bcdd52 -r 1146681dbb74 docs.html
--- a/docs.html	Fri Jul 06 07:45:33 2007 +0000
+++ b/docs.html	Fri Jul 06 09:15:43 2007 +0000
@@ -29,6 +29,9 @@
 	Added SDL_VIDEO_ALLOW_SCREENSAVER to override SDL's disabling of the screensaver on Mac OS X, Windows, and X11.
 </P>
 <P>
+	Added SDL_BUTTON_WHEELLEFT (6) and SDL_BUTTON_WHEELRIGHT (7)
+</P>
+<P>
 	Fixed buffer overrun crash when resampling audio rates.
 </P>
 <P>
diff -r a19fd8bcdd52 -r 1146681dbb74 include/SDL_mouse.h
--- a/include/SDL_mouse.h	Fri Jul 06 07:45:33 2007 +0000
+++ b/include/SDL_mouse.h	Fri Jul 06 09:15:43 2007 +0000
@@ -115,6 +115,8 @@
    Button 3:	Right mouse button
    Button 4:	Mouse wheel up	 (may also be a real button)
    Button 5:	Mouse wheel down (may also be a real button)
+   Button 6:	Mouse wheel left (may also be a real button)
+   Button 7:	Mouse wheel right (may also be a real button)
  */
 #define SDL_BUTTON(X)		(1 << ((X)-1))
 #define SDL_BUTTON_LEFT		1
@@ -122,6 +124,8 @@
 #define SDL_BUTTON_RIGHT	3
 #define SDL_BUTTON_WHEELUP	4
 #define SDL_BUTTON_WHEELDOWN	5
+#define SDL_BUTTON_WHEELLEFT	6
+#define SDL_BUTTON_WHEELRIGHT	7
 #define SDL_BUTTON_LMASK	SDL_BUTTON(SDL_BUTTON_LEFT)
 #define SDL_BUTTON_MMASK	SDL_BUTTON(SDL_BUTTON_MIDDLE)
 #define SDL_BUTTON_RMASK	SDL_BUTTON(SDL_BUTTON_RIGHT)
diff -r a19fd8bcdd52 -r 1146681dbb74 src/video/bwindow/SDL_sysevents.cc
--- a/src/video/bwindow/SDL_sysevents.cc	Fri Jul 06 07:45:33 2007 +0000
+++ b/src/video/bwindow/SDL_sysevents.cc	Fri Jul 06 09:15:43 2007 +0000
@@ -294,12 +294,23 @@
 			float x, y;
 			x = y = 0;
 			if (msg->FindFloat("be:wheel_delta_x", &x) == B_OK && msg->FindFloat("be:wheel_delta_y", &y) == B_OK) {
-				if (x < 0 || y < 0) {
-					SDL_PrivateMouseButton(SDL_PRESSED, SDL_BUTTON_WHEELDOWN, 0, 0);
-					SDL_PrivateMouseButton(SDL_RELEASED, SDL_BUTTON_WHEELDOWN, 0, 0);
-				} else if (x > 0 || y > 0) {
-					SDL_PrivateMouseButton(SDL_PRESSED, SDL_BUTTON_WHEELUP, 0, 0);
-					SDL_PrivateMouseButton(SDL_RELEASED, SDL_BUTTON_WHEELUP, 0, 0);
+				if ( y ) {
+					if (y < 0) {
+						SDL_PrivateMouseButton(SDL_PRESSED, SDL_BUTTON_WHEELDOWN, 0, 0);
+						SDL_PrivateMouseButton(SDL_RELEASED, SDL_BUTTON_WHEELDOWN, 0, 0);
+					} else {
+						SDL_PrivateMouseButton(SDL_PRESSED, SDL_BUTTON_WHEELUP, 0, 0);
+						SDL_PrivateMouseButton(SDL_RELEASED, SDL_BUTTON_WHEELUP, 0, 0);
+					}
+				}
+				if ( x ) {
+					if (x < 0) {
+						SDL_PrivateMouseButton(SDL_PRESSED, SDL_BUTTON_WHEELRIGHT, 0, 0);
+						SDL_PrivateMouseButton(SDL_RELEASED, SDL_BUTTON_WHEELRIGHT, 0, 0);
+					} else {
+						SDL_PrivateMouseButton(SDL_PRESSED, SDL_BUTTON_WHEELLEFT, 0, 0);
+						SDL_PrivateMouseButton(SDL_RELEASED, SDL_BUTTON_WHEELLEFT, 0, 0);
+					}
 				}
 			}
 			break;
diff -r a19fd8bcdd52 -r 1146681dbb74 src/video/quartz/SDL_QuartzEvents.m
--- a/src/video/quartz/SDL_QuartzEvents.m	Fri Jul 06 07:45:33 2007 +0000
+++ b/src/video/quartz/SDL_QuartzEvents.m	Fri Jul 06 09:15:43 2007 +0000
@@ -932,13 +932,24 @@
                         Uint8 button;
                         dy = [ event deltaY ];
                         dx = [ event deltaX ];
-                        if ( dy > 0.0 || dx > 0.0 ) /* Scroll up */
-                            button = SDL_BUTTON_WHEELUP;
-                        else /* Scroll down */
-                            button = SDL_BUTTON_WHEELDOWN;
-                        /* For now, wheel is sent as a quick down+up */
-                        SDL_PrivateMouseButton (SDL_PRESSED, button, 0, 0);
-                        SDL_PrivateMouseButton (SDL_RELEASED, button, 0, 0);
+			if ( dy ) {
+				if ( dy > 0.0 ) /* Scroll up */
+				    button = SDL_BUTTON_WHEELUP;
+				else /* Scroll down */
+				    button = SDL_BUTTON_WHEELDOWN;
+				/* For now, wheel is sent as a quick down+up */
+				SDL_PrivateMouseButton (SDL_PRESSED, button, 0, 0);
+				SDL_PrivateMouseButton (SDL_RELEASED, button, 0, 0);
+			}
+			if ( dx ) {
+				if ( dx > 0.0 ) /* Scroll left */
+				    button = SDL_BUTTON_WHEELLEFT;
+				else /* Scroll right */
+				    button = SDL_BUTTON_WHEELRIGHT;
+				/* For now, wheel is sent as a quick down+up */
+				SDL_PrivateMouseButton (SDL_PRESSED, button, 0, 0);
+				SDL_PrivateMouseButton (SDL_RELEASED, button, 0, 0);
+			}
                     }
                     break;
                 case NSKeyUp: