diff options
| -rw-r--r-- | include/ui/input.h | 14 | ||||
| -rw-r--r-- | ui/input.c | 71 |
2 files changed, 85 insertions, 0 deletions
diff --git a/include/ui/input.h b/include/ui/input.h index 189f131b3b..c6f50c2440 100644 --- a/include/ui/input.h +++ b/include/ui/input.h @@ -8,6 +8,8 @@ #define INPUT_EVENT_MASK_REL (1<<INPUT_EVENT_KIND_REL) #define INPUT_EVENT_MASK_ABS (1<<INPUT_EVENT_KIND_ABS) +#define INPUT_EVENT_ABS_SIZE 0x8000 + typedef struct QemuInputHandler QemuInputHandler; typedef struct QemuInputHandlerState QemuInputHandlerState; @@ -34,4 +36,16 @@ void qemu_input_event_send_key(QemuConsole *src, KeyValue *key, bool down); void qemu_input_event_send_key_number(QemuConsole *src, int num, bool down); void qemu_input_event_send_key_qcode(QemuConsole *src, QKeyCode q, bool down); +InputEvent *qemu_input_event_new_btn(InputButton btn, bool down); +void qemu_input_queue_btn(QemuConsole *src, InputButton btn, bool down); +void qemu_input_update_buttons(QemuConsole *src, uint32_t *button_map, + uint32_t button_old, uint32_t button_new); + +int qemu_input_scale_axis(int value, int size_in, int size_out); +InputEvent *qemu_input_event_new_move(InputEventKind kind, + InputAxis axis, int value); +void qemu_input_queue_rel(QemuConsole *src, InputAxis axis, int value); +void qemu_input_queue_abs(QemuConsole *src, InputAxis axis, + int value, int size); + #endif /* INPUT_H */ diff --git a/ui/input.c b/ui/input.c index 61c8089749..a02172e36a 100644 --- a/ui/input.c +++ b/ui/input.c @@ -116,3 +116,74 @@ void qemu_input_event_send_key_qcode(QemuConsole *src, QKeyCode q, bool down) key->qcode = q; qemu_input_event_send_key(src, key, down); } + +InputEvent *qemu_input_event_new_btn(InputButton btn, bool down) +{ + InputEvent *evt = g_new0(InputEvent, 1); + evt->btn = g_new0(InputBtnEvent, 1); + evt->kind = INPUT_EVENT_KIND_BTN; + evt->btn->button = btn; + evt->btn->down = down; + return evt; +} + +void qemu_input_queue_btn(QemuConsole *src, InputButton btn, bool down) +{ + InputEvent *evt; + evt = qemu_input_event_new_btn(btn, down); + qemu_input_event_send(src, evt); + qapi_free_InputEvent(evt); +} + +void qemu_input_update_buttons(QemuConsole *src, uint32_t *button_map, + uint32_t button_old, uint32_t button_new) +{ + InputButton btn; + uint32_t mask; + + for (btn = 0; btn < INPUT_BUTTON_MAX; btn++) { + mask = button_map[btn]; + if ((button_old & mask) == (button_new & mask)) { + continue; + } + qemu_input_queue_btn(src, btn, button_new & mask); + } +} + +int qemu_input_scale_axis(int value, int size_in, int size_out) +{ + if (size_in < 2) { + return size_out / 2; + } + return (int64_t)value * (size_out - 1) / (size_in - 1); +} + +InputEvent *qemu_input_event_new_move(InputEventKind kind, + InputAxis axis, int value) +{ + InputEvent *evt = g_new0(InputEvent, 1); + InputMoveEvent *move = g_new0(InputMoveEvent, 1); + + evt->kind = kind; + evt->data = move; + move->axis = axis; + move->value = value; + return evt; +} + +void qemu_input_queue_rel(QemuConsole *src, InputAxis axis, int value) +{ + InputEvent *evt; + evt = qemu_input_event_new_move(INPUT_EVENT_KIND_REL, axis, value); + qemu_input_event_send(src, evt); + qapi_free_InputEvent(evt); +} + +void qemu_input_queue_abs(QemuConsole *src, InputAxis axis, int value, int size) +{ + InputEvent *evt; + int scaled = qemu_input_scale_axis(value, size, INPUT_EVENT_ABS_SIZE); + evt = qemu_input_event_new_move(INPUT_EVENT_KIND_ABS, axis, scaled); + qemu_input_event_send(src, evt); + qapi_free_InputEvent(evt); +} |