ac75fe9324
The fullscreen video mode used by the window can be used to determine whether it's in exclusive fullscreen or fullscreen desktop mode.
124 lines
3.8 KiB
C
124 lines
3.8 KiB
C
/*
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Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely.
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*/
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/* Simple test of the SDL sensor code */
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#include <SDL3/SDL.h>
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#include <SDL3/SDL_main.h>
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static const char *GetSensorTypeString(SDL_SensorType type)
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{
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static char unknown_type[64];
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switch (type) {
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case SDL_SENSOR_INVALID:
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return "SDL_SENSOR_INVALID";
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case SDL_SENSOR_UNKNOWN:
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return "SDL_SENSOR_UNKNOWN";
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case SDL_SENSOR_ACCEL:
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return "SDL_SENSOR_ACCEL";
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case SDL_SENSOR_GYRO:
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return "SDL_SENSOR_GYRO";
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default:
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(void)SDL_snprintf(unknown_type, sizeof unknown_type, "UNKNOWN (%d)", type);
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return unknown_type;
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}
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}
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static void HandleSensorEvent(SDL_SensorEvent *event)
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{
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SDL_Sensor *sensor = SDL_GetSensorFromInstanceID(event->which);
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if (sensor == NULL) {
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SDL_Log("Couldn't get sensor for sensor event\n");
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return;
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}
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switch (SDL_GetSensorType(sensor)) {
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case SDL_SENSOR_ACCEL:
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SDL_Log("Accelerometer update: %.2f, %.2f, %.2f\n", event->data[0], event->data[1], event->data[2]);
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break;
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case SDL_SENSOR_GYRO:
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SDL_Log("Gyro update: %.2f, %.2f, %.2f\n", event->data[0], event->data[1], event->data[2]);
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break;
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default:
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SDL_Log("Sensor update for sensor type %s\n", GetSensorTypeString(SDL_GetSensorType(sensor)));
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break;
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}
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}
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int main(int argc, char **argv)
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{
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SDL_SensorID *sensors;
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int i, num_sensors, num_opened;
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/* Load the SDL library */
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if (SDL_Init(SDL_INIT_SENSOR) < 0) {
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SDL_Log("Couldn't initialize SDL: %s\n", SDL_GetError());
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return 1;
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}
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sensors = SDL_GetSensors(&num_sensors);
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num_opened = 0;
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SDL_Log("There are %d sensors available\n", num_sensors);
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if (sensors) {
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for (i = 0; i < num_sensors; ++i) {
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SDL_Log("Sensor %" SDL_PRIu32 ": %s, type %s, platform type %d\n",
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sensors[i],
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SDL_GetSensorInstanceName(sensors[i]),
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GetSensorTypeString(SDL_GetSensorInstanceType(sensors[i])),
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SDL_GetSensorInstanceNonPortableType(sensors[i]));
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if (SDL_GetSensorInstanceType(sensors[i]) != SDL_SENSOR_UNKNOWN) {
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SDL_Sensor *sensor = SDL_OpenSensor(sensors[i]);
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if (sensor == NULL) {
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SDL_Log("Couldn't open sensor %" SDL_PRIu32 ": %s\n", sensors[i], SDL_GetError());
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} else {
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++num_opened;
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}
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}
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}
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SDL_free(sensors);
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}
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SDL_Log("Opened %d sensors\n", num_opened);
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if (num_opened > 0) {
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SDL_bool done = SDL_FALSE;
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SDL_Event event;
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SDL_CreateWindow("Sensor Test", 0, 0, 0, 0, SDL_WINDOW_FULLSCREEN);
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while (!done) {
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/* Update to get the current event state */
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SDL_PumpEvents();
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/* Process all currently pending events */
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while (SDL_PeepEvents(&event, 1, SDL_GETEVENT, SDL_EVENT_FIRST, SDL_EVENT_LAST) == 1) {
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switch (event.type) {
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case SDL_EVENT_SENSOR_UPDATE:
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HandleSensorEvent(&event.sensor);
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break;
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case SDL_EVENT_MOUSE_BUTTON_UP:
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case SDL_EVENT_KEY_UP:
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case SDL_EVENT_QUIT:
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done = SDL_TRUE;
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break;
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default:
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break;
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}
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}
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}
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}
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SDL_Quit();
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return 0;
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}
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