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Commit d4044b43 authored by Zixuan Qu's avatar Zixuan Qu
Browse files

Add ABS_MT_SLOT config to virtual touch screen. 

Bug: 244744917
Bug: 233960835
Bug: 233327669

Test: atest VirtualDeviceManagerServiceTest

Change-Id: I1ddf173880dc65c034ce7b6a2aef544f1233c361
parent e04e312e

services/core/jni/com_android_server_companion_virtual_InputController.cpp

+9 −0
Original line number Diff line number Diff line
@@ -21,6 +21,7 @@ 
#include <android/keycodes.h>

#include <errno.h>

#include <fcntl.h>

#include <input/Input.h>

#include <linux/uinput.h>

#include <math.h>

#include <nativehelper/JNIHelp.h>
@@ -271,6 +272,14 @@ static int openUinput(const char* readableName, jint vendorId, jint productId, c 
                ALOGE("Error creating touchscreen uinput pressure axis: %s", strerror(errno));

                return -errno;

            }

            uinput_abs_setup slotAbsSetup;

            slotAbsSetup.code = ABS_MT_SLOT;

            slotAbsSetup.absinfo.maximum = MAX_POINTERS;

            slotAbsSetup.absinfo.minimum = 0;

            if (ioctl(fd, UI_ABS_SETUP, &slotAbsSetup) != 0) {

                ALOGE("Error creating touchscreen uinput slots: %s", strerror(errno));

                return -errno;

            }

        }

        if (ioctl(fd, UI_DEV_SETUP, &setup) != 0) {

            ALOGE("Error creating uinput device: %s", strerror(errno));