+#define BUTTON_MASK (FROM_LEFT_1ST_BUTTON_PRESSED | \
+ FROM_LEFT_2ND_BUTTON_PRESSED | \
+ FROM_LEFT_3RD_BUTTON_PRESSED | \
+ FROM_LEFT_4TH_BUTTON_PRESSED | \
+ RIGHTMOST_BUTTON_PRESSED)
+
+static int
+decode_mouse(TERMINAL_CONTROL_BLOCK * TCB, int mask)
+{
+ SCREEN *sp;
+ int result = 0;
+
+ AssertTCB();
+ SetSP();
+
+ if (mask & FROM_LEFT_1ST_BUTTON_PRESSED)
+ result |= BUTTON1_PRESSED;
+ if (mask & FROM_LEFT_2ND_BUTTON_PRESSED)
+ result |= BUTTON2_PRESSED;
+ if (mask & FROM_LEFT_3RD_BUTTON_PRESSED)
+ result |= BUTTON3_PRESSED;
+ if (mask & FROM_LEFT_4TH_BUTTON_PRESSED)
+ result |= BUTTON4_PRESSED;
+
+ if (mask & RIGHTMOST_BUTTON_PRESSED) {
+ switch (TCB->info.numbuttons) {
+ case 1:
+ result |= BUTTON1_PRESSED;
+ break;
+ case 2:
+ result |= BUTTON2_PRESSED;
+ break;
+ case 3:
+ result |= BUTTON3_PRESSED;
+ break;
+ case 4:
+ result |= BUTTON4_PRESSED;
+ break;
+ }
+ }
+
+ return result;
+}
+