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85 lines
2.4 KiB
C
85 lines
2.4 KiB
C
#ifndef CONTROLMSG_H
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#define CONTROLMSG_H
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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#include "config.h"
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#include "android/input.h"
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#include "android/keycodes.h"
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#include "coords.h"
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#define CONTROL_MSG_MAX_SIZE (1 << 18) // 256k
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#define CONTROL_MSG_INJECT_TEXT_MAX_LENGTH 300
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// type: 1 byte; paste flag: 1 byte; length: 4 bytes
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#define CONTROL_MSG_CLIPBOARD_TEXT_MAX_LENGTH (CONTROL_MSG_MAX_SIZE - 6)
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#define POINTER_ID_MOUSE UINT64_C(-1);
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#define POINTER_ID_VIRTUAL_FINGER UINT64_C(-2);
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enum control_msg_type {
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CONTROL_MSG_TYPE_INJECT_KEYCODE,
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CONTROL_MSG_TYPE_INJECT_TEXT,
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CONTROL_MSG_TYPE_INJECT_TOUCH_EVENT,
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CONTROL_MSG_TYPE_INJECT_SCROLL_EVENT,
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CONTROL_MSG_TYPE_BACK_OR_SCREEN_ON,
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CONTROL_MSG_TYPE_EXPAND_NOTIFICATION_PANEL,
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CONTROL_MSG_TYPE_COLLAPSE_NOTIFICATION_PANEL,
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CONTROL_MSG_TYPE_GET_CLIPBOARD,
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CONTROL_MSG_TYPE_SET_CLIPBOARD,
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CONTROL_MSG_TYPE_SET_SCREEN_POWER_MODE,
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CONTROL_MSG_TYPE_ROTATE_DEVICE,
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};
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enum screen_power_mode {
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// see <https://android.googlesource.com/platform/frameworks/base.git/+/pie-release-2/core/java/android/view/SurfaceControl.java#305>
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SCREEN_POWER_MODE_OFF = 0,
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SCREEN_POWER_MODE_NORMAL = 2,
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};
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struct control_msg {
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enum control_msg_type type;
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union {
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struct {
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enum android_keyevent_action action;
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enum android_keycode keycode;
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uint32_t repeat;
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enum android_metastate metastate;
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} inject_keycode;
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struct {
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char *text; // owned, to be freed by SDL_free()
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} inject_text;
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struct {
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enum android_motionevent_action action;
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enum android_motionevent_buttons buttons;
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uint64_t pointer_id;
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struct position position;
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float pressure;
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} inject_touch_event;
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struct {
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struct position position;
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int32_t hscroll;
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int32_t vscroll;
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} inject_scroll_event;
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struct {
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char *text; // owned, to be freed by SDL_free()
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bool paste;
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} set_clipboard;
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struct {
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enum screen_power_mode mode;
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} set_screen_power_mode;
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};
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};
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// buf size must be at least CONTROL_MSG_MAX_SIZE
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// return the number of bytes written
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size_t
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control_msg_serialize(const struct control_msg *msg, unsigned char *buf);
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void
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control_msg_destroy(struct control_msg *msg);
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#endif
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