diff options
| -rw-r--r-- | docs/feature_ps2_mouse.md | 10 | ||||
| -rw-r--r-- | tmk_core/protocol/ps2_mouse.c | 7 | 
2 files changed, 17 insertions, 0 deletions
| diff --git a/docs/feature_ps2_mouse.md b/docs/feature_ps2_mouse.md index 00c7ee72ee..776a33150e 100644 --- a/docs/feature_ps2_mouse.md +++ b/docs/feature_ps2_mouse.md @@ -270,6 +270,16 @@ Fine control over the scrolling is supported with the following defines:  #define PS2_MOUSE_SCROLL_DIVISOR_V 2  ``` +### Invert Mouse buttons :id=invert-buttons + +To invert the left & right buttons you can put: + +```c +#define PS2_MOUSE_INVERT_BUTTONS +``` + +into config.h. +  ### Invert Mouse and Scroll Axes :id=invert-mouse-and-scroll-axes  To invert the X and Y axes you can put: diff --git a/tmk_core/protocol/ps2_mouse.c b/tmk_core/protocol/ps2_mouse.c index 525aeb45a0..39251a6434 100644 --- a/tmk_core/protocol/ps2_mouse.c +++ b/tmk_core/protocol/ps2_mouse.c @@ -156,8 +156,15 @@ static inline void ps2_mouse_convert_report_to_hid(report_mouse_t *mouse_report)      mouse_report->x = X_IS_NEG ? ((!X_IS_OVF && -127 <= mouse_report->x && mouse_report->x <= -1) ? mouse_report->x : -127) : ((!X_IS_OVF && 0 <= mouse_report->x && mouse_report->x <= 127) ? mouse_report->x : 127);      mouse_report->y = Y_IS_NEG ? ((!Y_IS_OVF && -127 <= mouse_report->y && mouse_report->y <= -1) ? mouse_report->y : -127) : ((!Y_IS_OVF && 0 <= mouse_report->y && mouse_report->y <= 127) ? mouse_report->y : 127); +#ifdef PS2_MOUSE_INVERT_BUTTONS +    // swap left & right buttons +    uint8_t needs_left = mouse_report->buttons & PS2_MOUSE_BTN_RIGHT; +    uint8_t needs_right = mouse_report->buttons & PS2_MOUSE_BTN_LEFT; +    mouse_report->buttons = (mouse_report->buttons & ~(PS2_MOUSE_BTN_MASK)) | (needs_left ? PS2_MOUSE_BTN_LEFT : 0) | (needs_right ? PS2_MOUSE_BTN_RIGHT : 0); +#else      // remove sign and overflow flags      mouse_report->buttons &= PS2_MOUSE_BTN_MASK; +#endif  #ifdef PS2_MOUSE_INVERT_X      mouse_report->x = -mouse_report->x; | 
