1 files changed, 37 insertions, 22 deletions

diff --git a/vnc.c b/vnc.c
index ef15f04..67ace04 100644
--- a/vnc.c
+++ b/vnc.c
@@ -398,32 +398,47 @@ static gboolean expose_cb(GtkWidget *widget, GdkEventExpose *event, gpointer dat
 static void send_mouse(struct vnc_window *vnc, int x, int y,
 		       int x11state, int x11press, int x11release)
 {
-    int rfbstate = 0;
+    static const struct {
+	int rfbmask;
+	int x11mask;
+	int x11nr;
+    } buttons[] = {
+	{
+	    .rfbmask = rfbButton1Mask,
+	    .x11mask = Button1Mask,
+	    .x11nr   = Button1,
+	},{
+	    .rfbmask = rfbButton2Mask,
+	    .x11mask = Button2Mask,
+	    .x11nr   = Button2,
+	},{
+	    .rfbmask = rfbButton3Mask,
+	    .x11mask = Button3Mask,
+	    .x11nr   = Button3,
+	},{
+	    .rfbmask = rfbButton4Mask,
+	    .x11mask = Button4Mask,
+	    .x11nr   = Button4,
+	},{
+	    .rfbmask = rfbButton5Mask,
+	    .x11mask = Button5Mask,
+	    .x11nr   = Button5,
+	}
+    };
+    int i, rfbstate = 0;
 
     if (vnc->viewonly)
 	return;
 
-    if (x11state & Button1Mask)
-	rfbstate |= rfbButton1Mask;
-    if (x11state & Button2Mask)
-	rfbstate |= rfbButton2Mask;
-    if (x11state & Button3Mask)
-	rfbstate |= rfbButton3Mask;
-
-    if (x11press == Button1)
-	rfbstate |= rfbButton1Mask;
-    if (x11press == Button2)
-	rfbstate |= rfbButton2Mask;
-    if (x11press == Button3)
-	rfbstate |= rfbButton3Mask;
-
-    if (x11release == Button1)
-	rfbstate &= ~rfbButton1Mask;
-    if (x11release == Button2)
-	rfbstate &= ~rfbButton2Mask;
-    if (x11release == Button3)
-	rfbstate &= ~rfbButton3Mask;
-    
+    for (i = 0; i < sizeof(buttons)/sizeof(buttons[0]); i++) {
+	if (x11state & buttons[i].x11mask)
+	    rfbstate |= buttons[i].rfbmask;
+	if (x11press == buttons[i].x11nr)
+	    rfbstate |= buttons[i].rfbmask;
+	if (x11release == buttons[i].x11nr)
+	    rfbstate &= ~buttons[i].rfbmask;
+    }
+
     if (vnc->debug)
 	fprintf(stderr,"%s: +%d+%d x11state 0x%x rfbstate 0x%x\n",
 		__FUNCTION__, x, y, x11state, rfbstate);