input: add core bits of the new input layer

Register and unregister handlers.
Event dispatcher code.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

1 files changed, 32 insertions, 0 deletions

diff --git a/include/ui/input.h b/include/ui/input.h
new file mode 100644
index 0000000000..3cf3641243
--- /dev/null
+++ b/include/ui/input.h
@@ -0,0 +1,32 @@
+#ifndef INPUT_H
+#define INPUT_H
+
+#include "qapi-types.h"
+
+#define INPUT_EVENT_MASK_KEY   (1<<INPUT_EVENT_KIND_KEY)
+#define INPUT_EVENT_MASK_BTN   (1<<INPUT_EVENT_KIND_BTN)
+#define INPUT_EVENT_MASK_REL   (1<<INPUT_EVENT_KIND_REL)
+#define INPUT_EVENT_MASK_ABS   (1<<INPUT_EVENT_KIND_ABS)
+
+typedef struct QemuInputHandler QemuInputHandler;
+typedef struct QemuInputHandlerState QemuInputHandlerState;
+
+typedef void (*QemuInputHandlerEvent)(DeviceState *dev, QemuConsole *src,
+                                      InputEvent *evt);
+typedef void (*QemuInputHandlerSync)(DeviceState *dev);
+
+struct QemuInputHandler {
+    const char             *name;
+    uint32_t               mask;
+    QemuInputHandlerEvent  event;
+    QemuInputHandlerSync   sync;
+};
+
+QemuInputHandlerState *qemu_input_handler_register(DeviceState *dev,
+                                                   QemuInputHandler *handler);
+void qemu_input_handler_activate(QemuInputHandlerState *s);
+void qemu_input_handler_unregister(QemuInputHandlerState *s);
+void qemu_input_event_send(QemuConsole *src, InputEvent *evt);
+void qemu_input_event_sync(void);
+
+#endif /* INPUT_H */