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-rw-r--r--ui/input.c71
1 files changed, 71 insertions, 0 deletions
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);
+}