mirror of
https://github.com/yurisieucuti/treble_evolution.git
synced 2024-09-22 08:31:03 +00:00
48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/ioctl.h>
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#include <linux/input.h>
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#include <android-base/properties.h>
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#include <android-base/stringprintf.h>
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#include <android-base/strings.h>
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int main(int argc, char **argv) {
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std::string s = android::base::GetProperty("persist.sys.phh.evgrab", "");
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s = android::base::Trim(s);
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if(s == "") return 0;
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auto devs = android::base::Split(s, ";");
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int fd = -1;
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for(int i=0; i < 30; i++) {
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auto path = android::base::StringPrintf("/dev/input/event%d", i);
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fd = open(path.c_str(), O_RDWR);
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if(fd < 0) continue;
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char name[256];
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memset(name, 0, sizeof(name));
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int ret = ioctl(fd, EVIOCGNAME(sizeof(name)), name);
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bool found = false;
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for(const auto& v: devs) {
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printf("Got name %s, trying %s\n", name, v.c_str());
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if(strcmp(v.c_str(), name) == 0) {
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found = true;
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break;
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}
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}
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if(found) break;
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close(fd);
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fd = -1;
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}
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if (fd == -1) return 0;
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int grab = 1;
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ioctl(fd, EVIOCGRAB, &grab);
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struct input_event ev;
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while(true) {
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read(fd, &ev, sizeof(ev));
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}
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return 0;
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}
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