From d3535431e8006e8bf71229f306ea9c62d9e737e8 Mon Sep 17 00:00:00 2001 From: Gerd Hoffmann Date: Thu, 28 Nov 2013 11:29:33 +0100 Subject: input: mouse: add graphic_rotate support Transform absolute mouse events according to graphic_rotate. Legacy input code does it for both absolute and relative events, but the logic is broken for relative coordinates, so this is most likely not used anyway. Signed-off-by: Gerd Hoffmann --- ui/input.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/ui/input.c b/ui/input.c index a02172e36a..fd2293b399 100644 --- a/ui/input.c +++ b/ui/input.c @@ -50,6 +50,31 @@ qemu_input_find_handler(uint32_t mask) return NULL; } +static void qemu_input_transform_abs_rotate(InputEvent *evt) +{ + switch (graphic_rotate) { + case 90: + if (evt->abs->axis == INPUT_AXIS_X) { + evt->abs->axis = INPUT_AXIS_Y; + } else if (evt->abs->axis == INPUT_AXIS_Y) { + evt->abs->axis = INPUT_AXIS_X; + evt->abs->value = INPUT_EVENT_ABS_SIZE - 1 - evt->abs->value; + } + break; + case 180: + evt->abs->value = INPUT_EVENT_ABS_SIZE - 1 - evt->abs->value; + break; + case 270: + if (evt->abs->axis == INPUT_AXIS_X) { + evt->abs->axis = INPUT_AXIS_Y; + evt->abs->value = INPUT_EVENT_ABS_SIZE - 1 - evt->abs->value; + } else if (evt->abs->axis == INPUT_AXIS_Y) { + evt->abs->axis = INPUT_AXIS_X; + } + break; + } +} + void qemu_input_event_send(QemuConsole *src, InputEvent *evt) { QemuInputHandlerState *s; @@ -58,6 +83,12 @@ void qemu_input_event_send(QemuConsole *src, InputEvent *evt) return; } + /* pre processing */ + if (graphic_rotate && (evt->kind == INPUT_EVENT_KIND_ABS)) { + qemu_input_transform_abs_rotate(evt); + } + + /* send event */ s = qemu_input_find_handler(1 << evt->kind); s->handler->event(s->dev, src, evt); s->events++; -- cgit v1.2.1