+ default:
+ if (message == wm_mousewheel) {
+ int shift_pressed=0, control_pressed=0, alt_pressed=0;
+
+ if (message == WM_MOUSEWHEEL) {
+ wheel_accumulator += (short)HIWORD(wParam);
+ shift_pressed=LOWORD(wParam) & MK_SHIFT;
+ control_pressed=LOWORD(wParam) & MK_CONTROL;
+ } else {
+ BYTE keys[256];
+ wheel_accumulator += (int)wParam;
+ if (GetKeyboardState(keys)!=0) {
+ shift_pressed=keys[VK_SHIFT]&0x80;
+ control_pressed=keys[VK_CONTROL]&0x80;
+ }
+ }
+
+ /* process events when the threshold is reached */
+ while (abs(wheel_accumulator) >= WHEEL_DELTA) {
+ int b;
+
+ /* reduce amount for next time */
+ if (wheel_accumulator > 0) {
+ b = MBT_WHEEL_UP;
+ wheel_accumulator -= WHEEL_DELTA;
+ } else if (wheel_accumulator < 0) {
+ b = MBT_WHEEL_DOWN;
+ wheel_accumulator += WHEEL_DELTA;
+ } else
+ break;
+
+ if (send_raw_mouse &&
+ !(cfg.mouse_override && shift_pressed)) {
+ /* send a mouse-down followed by a mouse up */
+ term_mouse(b,
+ MA_CLICK,
+ TO_CHR_X(X_POS(lParam)),
+ TO_CHR_Y(Y_POS(lParam)), shift_pressed,
+ control_pressed, is_alt_pressed());
+ term_mouse(b, MA_RELEASE, TO_CHR_X(X_POS(lParam)),
+ TO_CHR_Y(Y_POS(lParam)), shift_pressed,
+ control_pressed, is_alt_pressed());
+ } else {
+ /* trigger a scroll */
+ term_scroll(0,
+ b == MBT_WHEEL_UP ? -rows / 2 : rows / 2);
+ }
+ }
+ return 0;
+ }