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-rw-r--r--platform/x11/SCsub1
-rw-r--r--platform/x11/os_x11.cpp12
-rw-r--r--platform/x11/os_x11.h7
-rw-r--r--platform/x11/power_x11.cpp575
-rw-r--r--platform/x11/power_x11.h68
5 files changed, 663 insertions, 0 deletions
diff --git a/platform/x11/SCsub b/platform/x11/SCsub
index 4ae8ac07f7..fc9208c563 100644
--- a/platform/x11/SCsub
+++ b/platform/x11/SCsub
@@ -8,6 +8,7 @@ common_x11 = [\
"os_x11.cpp",\
"key_mapping_x11.cpp",\
"joypad_linux.cpp",\
+ "power_x11.cpp",\
]
env.Program('#bin/godot', ['godot_x11.cpp'] + common_x11)
diff --git a/platform/x11/os_x11.cpp b/platform/x11/os_x11.cpp
index a4ed08f330..689fe076f1 100644
--- a/platform/x11/os_x11.cpp
+++ b/platform/x11/os_x11.cpp
@@ -2007,6 +2007,18 @@ void OS_X11::set_context(int p_context) {
}
}
+PowerState OS_X11::get_power_state() {
+ return power_manager->get_power_state();
+}
+
+int OS_X11::get_power_seconds_left() {
+ return power_manager->get_power_seconds_left();
+}
+
+int OS_X11::get_power_percent_left() {
+ return power_manager->get_power_percent_left();
+}
+
OS_X11::OS_X11() {
#ifdef RTAUDIO_ENABLED
diff --git a/platform/x11/os_x11.h b/platform/x11/os_x11.h
index 3ec358f103..ce2e2df6e9 100644
--- a/platform/x11/os_x11.h
+++ b/platform/x11/os_x11.h
@@ -46,6 +46,7 @@
#include "servers/physics_2d/physics_2d_server_wrap_mt.h"
#include "main/input_default.h"
#include "joypad_linux.h"
+#include "power_x11.h"
#include <X11/keysym.h>
#include <X11/Xlib.h>
@@ -164,6 +165,8 @@ class OS_X11 : public OS_Unix {
AudioDriverDummy driver_dummy;
Atom net_wm_icon;
+
+ PowerX11 *power_manager;
int audio_driver_index;
unsigned int capture_idle;
@@ -260,6 +263,10 @@ public:
virtual void set_use_vsync(bool p_enable);
virtual bool is_vsync_enabled() const;
+ virtual PowerState get_power_state();
+ virtual int get_power_seconds_left();
+ virtual int get_power_percent_left();
+
void run();
OS_X11();
diff --git a/platform/x11/power_x11.cpp b/platform/x11/power_x11.cpp
new file mode 100644
index 0000000000..f6966124b6
--- /dev/null
+++ b/platform/x11/power_x11.cpp
@@ -0,0 +1,575 @@
+/*************************************************************************/
+/* power_x11.cpp */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* http://www.godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */
+/* */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the */
+/* "Software"), to deal in the Software without restriction, including */
+/* without limitation the rights to use, copy, modify, merge, publish, */
+/* distribute, sublicense, and/or sell copies of the Software, and to */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions: */
+/* */
+/* The above copyright notice and this permission notice shall be */
+/* included in all copies or substantial portions of the Software. */
+/* */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+/*************************************************************************/
+
+#include "power_x11.h"
+
+#include <stdio.h>
+#include <unistd.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <dirent.h>
+#include <fcntl.h>
+
+// CODE CHUNK IMPORTED FROM SDL 2.0
+
+static const char* proc_apm_path = "/proc/apm";
+static const char* proc_acpi_battery_path = "/proc/acpi/battery";
+static const char* proc_acpi_ac_adapter_path = "/proc/acpi/ac_adapter";
+static const char* sys_class_power_supply_path = "/sys/class/power_supply";
+
+FileAccessRef PowerX11::open_power_file(const char* base, const char* node, const char* key)
+{
+ String path = String(base) + String("/") + String(node) + String("/") + String(key);
+ FileAccessRef f = FileAccess::open(path,FileAccess::READ);
+ return f;
+}
+
+
+bool PowerX11::read_power_file(const char* base, const char* node, const char* key, char* buf, size_t buflen)
+{
+ ssize_t br = 0;
+ FileAccessRef fd = open_power_file(base, node, key);
+ if (!fd) {
+ return false;
+ }
+ br = fd->get_buffer(reinterpret_cast<uint8_t*>(buf), buflen-1);
+ fd->close();
+ if (br < 0) {
+ return false;
+ }
+ buf[br] = '\0'; // null-terminate the string
+ return true;
+}
+
+
+bool PowerX11::make_proc_acpi_key_val(char **_ptr, char **_key, char **_val)
+{
+ char *ptr = *_ptr;
+
+ while (*ptr == ' ') {
+ ptr++; /* skip whitespace. */
+ }
+
+ if (*ptr == '\0') {
+ return false; /* EOF. */
+ }
+
+ *_key = ptr;
+
+ while ((*ptr != ':') && (*ptr != '\0')) {
+ ptr++;
+ }
+
+ if (*ptr == '\0') {
+ return false; /* (unexpected) EOF. */
+ }
+
+ *(ptr++) = '\0'; /* terminate the key. */
+
+ while ((*ptr == ' ') && (*ptr != '\0')) {
+ ptr++; /* skip whitespace. */
+ }
+
+ if (*ptr == '\0') {
+ return false; /* (unexpected) EOF. */
+ }
+
+ *_val = ptr;
+
+ while ((*ptr != '\n') && (*ptr != '\0')) {
+ ptr++;
+ }
+
+ if (*ptr != '\0') {
+ *(ptr++) = '\0'; /* terminate the value. */
+ }
+
+ *_ptr = ptr; /* store for next time. */
+ return true;
+}
+
+void
+PowerX11::check_proc_acpi_battery(const char * node, bool * have_battery, bool * charging)
+{
+ const char *base = proc_acpi_battery_path;
+ char info[1024];
+ char state[1024];
+ char *ptr = NULL;
+ char *key = NULL;
+ char *val = NULL;
+ bool charge = false;
+ bool choose = false;
+ int maximum = -1;
+ int remaining = -1;
+ int secs = -1;
+ int pct = -1;
+
+ if (!read_power_file(base, node, "state", state, sizeof (state))) {
+ return;
+ } else {
+ if (!read_power_file(base, node, "info", info, sizeof (info)))
+ return;
+ }
+
+ ptr = &state[0];
+ while (make_proc_acpi_key_val(&ptr, &key, &val)) {
+ if (String(key) == "present") {
+ if (String(val) == "yes") {
+ *have_battery = true;
+ }
+ } else if (String(key) == "charging state") {
+ /* !!! FIXME: what exactly _does_ charging/discharging mean? */
+ if (String(val) == "charging/discharging") {
+ charge = true;
+ } else if (String(val) == "charging") {
+ charge = true;
+ }
+ } else if (String(key) == "remaining capacity") {
+ char *endptr = NULL;
+ //const int cvt = (int) strtol(val, &endptr, 10);
+ String sval = val;
+ const int cvt = sval.to_int();
+ if (*endptr == ' ') {
+ remaining = cvt;
+ }
+ }
+ }
+
+ ptr = &info[0];
+ while (make_proc_acpi_key_val(&ptr, &key, &val)) {
+ if (String(key) == "design capacity") {
+ char *endptr = NULL;
+ String sval = val;
+ const int cvt = sval.to_int();
+ if (*endptr == ' ') {
+ maximum = cvt;
+ }
+ }
+ }
+
+ if ((maximum >= 0) && (remaining >= 0)) {
+ pct = (int) ((((float) remaining) / ((float) maximum)) * 100.0f);
+ if (pct < 0) {
+ pct = 0;
+ } else if (pct > 100) {
+ pct = 100;
+ }
+ }
+
+ /* !!! FIXME: calculate (secs). */
+
+ /*
+ * We pick the battery that claims to have the most minutes left.
+ * (failing a report of minutes, we'll take the highest percent.)
+ */
+ if ((secs < 0) && (this->nsecs_left < 0)) {
+ if ((pct < 0) && (this->percent_left < 0)) {
+ choose = true; /* at least we know there's a battery. */
+ }
+ if (pct > this->percent_left) {
+ choose = true;
+ }
+ } else if (secs > this->nsecs_left) {
+ choose = true;
+ }
+
+ if (choose) {
+ this->nsecs_left = secs;
+ this->percent_left = pct;
+ *charging = charge;
+ }
+}
+
+void PowerX11::check_proc_acpi_ac_adapter(const char * node, bool * have_ac)
+{
+ const char *base = proc_acpi_ac_adapter_path;
+ char state[256];
+ char *ptr = NULL;
+ char *key = NULL;
+ char *val = NULL;
+
+ if (!read_power_file(base, node, "state", state, sizeof (state))) {
+ return;
+ }
+
+ ptr = &state[0];
+ while (make_proc_acpi_key_val(&ptr, &key, &val)) {
+ String skey = key;
+ if (skey == "state") {
+ String sval = val;
+ if (sval == "on-line") {
+ *have_ac = true;
+ }
+ }
+ }
+}
+
+
+bool PowerX11::GetPowerInfo_Linux_proc_acpi()
+{
+ String node;
+ DirAccess *dirp = DirAccess::create(DirAccess::ACCESS_FILESYSTEM);
+ bool have_battery = false;
+ bool have_ac = false;
+ bool charging = false;
+
+ this->nsecs_left = -1;
+ this->percent_left = -1;
+ this->power_state = POWERSTATE_UNKNOWN;
+
+
+ dirp->change_dir(proc_acpi_battery_path);
+ dirp->list_dir_begin();
+
+ if (dirp == NULL) {
+ return false; /* can't use this interface. */
+ } else {
+ node = dirp->get_next();
+ while (node != "") {
+ check_proc_acpi_battery(node.utf8().get_data(), &have_battery, &charging/*, seconds, percent*/);
+ node = dirp->get_next();
+ }
+ memdelete(dirp);
+ }
+
+ dirp->change_dir(proc_acpi_ac_adapter_path);
+ dirp->list_dir_begin();
+ if (dirp == NULL) {
+ return false; /* can't use this interface. */
+ } else {
+ node = dirp->get_next();
+ while (node != "") {
+ check_proc_acpi_ac_adapter(node.utf8().get_data(), &have_ac);
+ node = dirp->get_next();
+ }
+ memdelete(dirp);
+ }
+
+ if (!have_battery) {
+ this->power_state = POWERSTATE_NO_BATTERY;
+ } else if (charging) {
+ this->power_state = POWERSTATE_CHARGING;
+ } else if (have_ac) {
+ this->power_state = POWERSTATE_CHARGED;
+ } else {
+ this->power_state = POWERSTATE_ON_BATTERY;
+ }
+
+ return true; /* definitive answer. */
+}
+
+
+bool PowerX11::next_string(char **_ptr, char **_str)
+{
+ char *ptr = *_ptr;
+ char *str = *_str;
+
+ while (*ptr == ' ') { /* skip any spaces... */
+ ptr++;
+ }
+
+ if (*ptr == '\0') {
+ return false;
+ }
+
+ str = ptr;
+ while ((*ptr != ' ') && (*ptr != '\n') && (*ptr != '\0'))
+ ptr++;
+
+ if (*ptr != '\0')
+ *(ptr++) = '\0';
+
+ *_str = str;
+ *_ptr = ptr;
+ return true;
+}
+
+bool PowerX11::int_string(char *str, int *val)
+{
+ String sval = str;
+ *val = sval.to_int();
+ return (*str != '\0');
+}
+
+/* http://lxr.linux.no/linux+v2.6.29/drivers/char/apm-emulation.c */
+bool PowerX11::GetPowerInfo_Linux_proc_apm()
+{
+ bool need_details = false;
+ int ac_status = 0;
+ int battery_status = 0;
+ int battery_flag = 0;
+ int battery_percent = 0;
+ int battery_time = 0;
+ FileAccessRef fd = FileAccess::open(proc_apm_path,FileAccess::READ);
+ char buf[128];
+ char *ptr = &buf[0];
+ char *str = NULL;
+ ssize_t br;
+
+ if (!fd) {
+ return false; /* can't use this interface. */
+ }
+
+ br = fd->get_buffer(reinterpret_cast<uint8_t*>(buf), sizeof (buf) - 1);
+ fd->close();
+
+ if (br < 0) {
+ return false;
+ }
+
+ buf[br] = '\0'; /* null-terminate the string. */
+ if (!next_string(&ptr, &str)) { /* driver version */
+ return false;
+ }
+ if (!next_string(&ptr, &str)) { /* BIOS version */
+ return false;
+ }
+ if (!next_string(&ptr, &str)) { /* APM flags */
+ return false;
+ }
+
+ if (!next_string(&ptr, &str)) { /* AC line status */
+ return false;
+ } else if (!int_string(str, &ac_status)) {
+ return false;
+ }
+
+ if (!next_string(&ptr, &str)) { /* battery status */
+ return false;
+ } else if (!int_string(str, &battery_status)) {
+ return false;
+ }
+ if (!next_string(&ptr, &str)) { /* battery flag */
+ return false;
+ } else if (!int_string(str, &battery_flag)) {
+ return false;
+ }
+ if (!next_string(&ptr, &str)) { /* remaining battery life percent */
+ return false;
+ }
+ String sstr = str;
+ if (sstr[sstr.length() - 1] == '%') {
+ sstr[sstr.length() - 1] = '\0';
+ }
+ if (!int_string(str, &battery_percent)) {
+ return false;
+ }
+
+ if (!next_string(&ptr, &str)) { /* remaining battery life time */
+ return false;
+ } else if (!int_string(str, &battery_time)) {
+ return false;
+ }
+
+ if (!next_string(&ptr, &str)) { /* remaining battery life time units */
+ return false;
+ } else if (String(str) == "min") {
+ battery_time *= 60;
+ }
+
+ if (battery_flag == 0xFF) { /* unknown state */
+ this->power_state = POWERSTATE_UNKNOWN;
+ } else if (battery_flag & (1 << 7)) { /* no battery */
+ this->power_state = POWERSTATE_NO_BATTERY;
+ } else if (battery_flag & (1 << 3)) { /* charging */
+ this->power_state = POWERSTATE_CHARGING;
+ need_details = true;
+ } else if (ac_status == 1) {
+ this->power_state = POWERSTATE_CHARGED; /* on AC, not charging. */
+ need_details = true;
+ } else {
+ this->power_state = POWERSTATE_ON_BATTERY;
+ need_details = true;
+ }
+
+ this->percent_left = -1;
+ this->nsecs_left = -1;
+ if (need_details) {
+ const int pct = battery_percent;
+ const int secs = battery_time;
+
+ if (pct >= 0) { /* -1 == unknown */
+ this->percent_left = (pct > 100) ? 100 : pct; /* clamp between 0%, 100% */
+ }
+ if (secs >= 0) { /* -1 == unknown */
+ this->nsecs_left = secs;
+ }
+ }
+
+ return true;
+}
+
+/* !!! FIXME: implement d-bus queries to org.freedesktop.UPower. */
+
+bool PowerX11::GetPowerInfo_Linux_sys_class_power_supply(/*PowerState *state, int *seconds, int *percent*/)
+{
+ const char* base = sys_class_power_supply_path;
+ String name;
+
+ DirAccess *dirp = DirAccess::create(DirAccess::ACCESS_FILESYSTEM);
+ dirp->change_dir(base);
+ dirp->list_dir_begin();
+
+ if (!dirp) {
+ return false;
+ }
+
+ this->power_state = POWERSTATE_NO_BATTERY; /* assume we're just plugged in. */
+ this->nsecs_left = -1;
+ this->percent_left = -1;
+
+ name = dirp->get_next();
+
+ while (name != "") {
+ bool choose = false;
+ char str[64];
+ PowerState st;
+ int secs;
+ int pct;
+
+ if ((name == ".") || (name == "..")) {
+ name = dirp->get_next();
+ continue; //skip these, of course.
+ } else {
+ if (!read_power_file(base, name.utf8().get_data(), "type", str, sizeof (str))) {
+ name = dirp->get_next();
+ continue; // Don't know _what_ we're looking at. Give up on it.
+ } else {
+ if (String(str) != "Battery\n") {
+ name = dirp->get_next();
+ continue; // we don't care about UPS and such.
+ }
+ }
+ }
+
+ /* some drivers don't offer this, so if it's not explicitly reported assume it's present. */
+ if (read_power_file(base, name.utf8().get_data(), "present", str, sizeof (str)) && (String(str) == "0\n")) {
+ st = POWERSTATE_NO_BATTERY;
+ } else if (!read_power_file(base, name.utf8().get_data(), "status", str, sizeof (str))) {
+ st = POWERSTATE_UNKNOWN; /* uh oh */
+ } else if (String(str) == "Charging\n") {
+ st = POWERSTATE_CHARGING;
+ } else if (String(str) == "Discharging\n") {
+ st = POWERSTATE_ON_BATTERY;
+ } else if ((String(str) == "Full\n") || (String(str) == "Not charging\n")) {
+ st = POWERSTATE_CHARGED;
+ } else {
+ st = POWERSTATE_UNKNOWN; /* uh oh */
+ }
+
+ if (!read_power_file(base, name.utf8().get_data(), "capacity", str, sizeof (str))) {
+ pct = -1;
+ } else {
+ pct = String(str).to_int();
+ pct = (pct > 100) ? 100 : pct; /* clamp between 0%, 100% */
+ }
+
+ if (!read_power_file(base, name.utf8().get_data(), "time_to_empty_now", str, sizeof (str))) {
+ secs = -1;
+ } else {
+ secs = String(str).to_int();
+ secs = (secs <= 0) ? -1 : secs; /* 0 == unknown */
+ }
+
+ /*
+ * We pick the battery that claims to have the most minutes left.
+ * (failing a report of minutes, we'll take the highest percent.)
+ */
+ if ((secs < 0) && (this->nsecs_left < 0)) {
+ if ((pct < 0) && (this->percent_left < 0)) {
+ choose = true; /* at least we know there's a battery. */
+ } else if (pct > this->percent_left) {
+ choose = true;
+ }
+ } else if (secs > this->nsecs_left) {
+ choose = true;
+ }
+
+ if (choose) {
+ this->nsecs_left = secs;
+ this->percent_left = pct;
+ this->power_state = st;
+ }
+
+ name = dirp->get_next();
+ }
+
+ memdelete(dirp);
+ return true; /* don't look any further*/
+}
+
+
+
+bool PowerX11::UpdatePowerInfo()
+{
+ if (GetPowerInfo_Linux_sys_class_power_supply()) { // try method 1
+ return true;
+ }
+ if (GetPowerInfo_Linux_proc_acpi()) { // try further
+ return true;
+ }
+ if (GetPowerInfo_Linux_proc_apm()) { // try even further
+ return true;
+ }
+ return false;
+}
+
+PowerX11::PowerX11() : nsecs_left(-1), percent_left(-1), power_state(POWERSTATE_UNKNOWN) {
+}
+
+PowerX11::~PowerX11() {
+}
+
+PowerState PowerX11::get_power_state() {
+ if (UpdatePowerInfo()) {
+ return power_state;
+ }
+ else {
+ return POWERSTATE_UNKNOWN;
+ }
+}
+
+int PowerX11::get_power_seconds_left() {
+ if (UpdatePowerInfo()) {
+ return nsecs_left;
+ }
+ else {
+ return -1;
+ }
+}
+
+int PowerX11::get_power_percent_left() {
+ if (UpdatePowerInfo()) {
+ return percent_left;
+ }
+ else {
+ return -1;
+ }
+} \ No newline at end of file
diff --git a/platform/x11/power_x11.h b/platform/x11/power_x11.h
new file mode 100644
index 0000000000..5d03cac394
--- /dev/null
+++ b/platform/x11/power_x11.h
@@ -0,0 +1,68 @@
+/*************************************************************************/
+/* power_x11.h */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* http://www.godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */
+/* */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the */
+/* "Software"), to deal in the Software without restriction, including */
+/* without limitation the rights to use, copy, modify, merge, publish, */
+/* distribute, sublicense, and/or sell copies of the Software, and to */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions: */
+/* */
+/* The above copyright notice and this permission notice shall be */
+/* included in all copies or substantial portions of the Software. */
+/* */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+/*************************************************************************/
+
+#ifndef X11_POWER_H_
+#define X11_POWER_H_
+
+#include "os/dir_access.h"
+#include "os/file_access.h"
+#include "os/power.h"
+
+
+class PowerX11 {
+
+private:
+ int nsecs_left;
+ int percent_left;
+ PowerState power_state;
+
+
+ FileAccessRef open_power_file(const char* base, const char* node, const char* key);
+ bool read_power_file(const char* base, const char* node, const char* key, char* buf, size_t buflen);
+ bool make_proc_acpi_key_val(char **_ptr, char **_key, char **_val);
+ void check_proc_acpi_battery(const char * node, bool * have_battery, bool * charging);
+ void check_proc_acpi_ac_adapter(const char * node, bool * have_ac);
+ bool GetPowerInfo_Linux_proc_acpi();
+ bool next_string(char **_ptr, char **_str);
+ bool int_string(char *str, int *val);
+ bool GetPowerInfo_Linux_proc_apm();
+ bool GetPowerInfo_Linux_sys_class_power_supply();
+ bool UpdatePowerInfo();
+
+
+public:
+ PowerX11();
+ virtual ~PowerX11();
+
+ PowerState get_power_state();
+ int get_power_seconds_left();
+ int get_power_percent_left();
+};
+
+#endif /* X11_POWER_H_ */ \ No newline at end of file
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