Merge pull request #227 from rygwdn/macos-screen-switch

fix transition between screens of different sizes on macos.

Author: hrvach

src/mouse.c

@@ -179,10 +179,27 @@ void switch_to_another_pc(
 }
 
 void switch_virtual_desktop_macos(device_t *state, int direction) {
-    /* Fix for MACOS: Send relative mouse movement here, one or two pixels in the
-       direction of movement, BEFORE absolute report sets X to 0 */
+    /*
+     * Fix for MACOS: Before sending new absolute report setting X to 0:
+     * 1. Move the cursor to the edge of the screen directly in the middle to handle screens
+     *    of different heights
+     * 2. Send relative mouse movement one or two pixels in the direction of movement to get
+     *    the cursor onto the next screen
+     */
+    mouse_report_t edge_position = {
+        .x = (direction == LEFT) ? MIN_SCREEN_COORD : MAX_SCREEN_COORD,
+        .y = MAX_SCREEN_COORD / 2,
+        .mode = ABSOLUTE,
+        .buttons = state->mouse_buttons,
+    };
+
     uint16_t move = (direction == LEFT) ? -MACOS_SWITCH_MOVE_X : MACOS_SWITCH_MOVE_X;
-    mouse_report_t move_relative_one = {.x = move, .mode = RELATIVE};
+    mouse_report_t move_relative_one = {
+        .x = move,
+        .mode = RELATIVE,
+    };
+
+    output_mouse_report(&edge_position, state);
 
     /* Once doesn't seem reliable enough, do it a few times */
     for (int i = 0; i < MACOS_SWITCH_MOVE_COUNT; i++)