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screenlock - Sort functions alphabetically; add declarations; and fix warnings

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master
Miles Alan 4 years ago
parent b51644baca
commit a35ca3f39f
1 changed files with 139 additions and 125 deletions
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  1. 264
      programs/sxmo_screenlock.c

264
programs/sxmo_screenlock.c
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@ -3,10 +3,13 @@
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
#include <unistd.h>
#include <X11/keysym.h> #include <X11/keysym.h>
#include <X11/XF86keysym.h> #include <X11/XF86keysym.h>
#include <X11/Xlib.h> #include <X11/Xlib.h>
#include <X11/Xutil.h>
// Types
enum State { enum State {
StateNoInput, // Screen on / input lock StateNoInput, // Screen on / input lock
StateNoInputNoScreen, // Screen off / input lock StateNoInputNoScreen, // Screen off / input lock
@ -14,7 +17,6 @@ enum State {
StateSuspendPending, // Suspend 'woken up', must leave state in <10s, or kicks to StateSuspend StateSuspendPending, // Suspend 'woken up', must leave state in <10s, or kicks to StateSuspend
StateDead // Exit the appliation StateDead // Exit the appliation
}; };
enum Color { enum Color {
Red, Red,
Blue, Blue,
@ -22,67 +24,80 @@ enum Color {
Off Off
}; };
static Display *dpy; // Fn declarations
static enum State state = StateNoInput; void configuresuspendsettingsandwakeupsources();
static int lastkeysym = NULL; void die(const char *err, ...);
static int lastkeyn = 0; int getoldbrightness();
static char oldbrightness[10] = "200"; void lockscreen(Display *dpy, int screen);
static char * brightnessfile = "/sys/devices/platform/backlight/backlight/backlight/brightness"; void readinputloop(Display *dpy, int screen);
static char * powerstatefile = "/sys/power/state"; void setpineled(enum Color c);
void syncstate();
void writefile(char *filepath, char *str);
void // Variables
writefile(char *filepath, char *str) Display *dpy;
{ enum State state = StateNoInput;
int f; KeySym lastkeysym = XK_Cancel;
f = open(filepath, O_WRONLY); int lastkeyn = 0;
if (f != NULL) { char oldbrightness[10] = "200";
write(f, str, strlen(str)); char * brightnessfile = "/sys/devices/platform/backlight/backlight/backlight/brightness";
close(f); char * powerstatefile = "/sys/power/state";
} else {
fprintf(stderr, "Couldn't open filepath <%s>\n", filepath);
}
}
void void
setpineled(enum Color c) configuresuspendsettingsandwakeupsources()
{ {
if (c == Red) { // Disable all wakeup sources
writefile("/sys/class/leds/red:indicator/brightness", "1"); struct dirent *wakeupsource;
writefile("/sys/class/leds/blue:indicator/brightness", "0"); char wakeuppath[100];
} else if (c == Blue) { DIR *wakeupsources = opendir("/sys/class/wakeup");
writefile("/sys/class/leds/red:indicator/brightness", "0"); if (wakeupsources == NULL)
writefile("/sys/class/leds/blue:indicator/brightness", "1"); die("Couldn't open directory /sys/class/wakeup\n");
} else if (c == Purple) { while ((wakeupsource = readdir(wakeupsources)) != NULL) {
writefile("/sys/class/leds/red:indicator/brightness", "1"); sprintf(
writefile("/sys/class/leds/blue:indicator/brightness", "1"); wakeuppath,
} else if (c == Off) { "/sys/class/wakeup/%s/device/power/wakeup",
writefile("/sys/class/leds/red:indicator/brightness", "0"); wakeupsource->d_name
writefile("/sys/class/leds/blue:indicator/brightness", "0"); );
fprintf(stderr, "Disabling wakeup source: %s", wakeupsource->d_name);
writefile(wakeuppath, "disabled");
fprintf(stderr, ".. ok\n");
} }
} closedir(wakeupsources);
void // Enable powerbutton wakeup source
syncstate() fprintf(stderr, "Enable powerbutton wakeup source\n");
{ writefile(
if (state == StateSuspend) { "/sys/devices/platform/soc/1f03400.rsb/sunxi-rsb-3a3/axp221-pek/power/wakeup",
setpineled(Red); "enabled"
configuresuspendsettingsandwakeupsources(); );
writefile(powerstatefile, "mem");
state = StateSuspendPending; // Enable rtc wakeup source
syncstate(); fprintf(stderr, "Enable rtc wakeup source\n");
} else if (state == StateNoInput) { writefile(
setpineled(Blue); "/sys/devices/platform/soc/1f00000.rtc/power/wakeup",
writefile(brightnessfile, oldbrightness); "enabled"
} else if (state == StateNoInputNoScreen || state == StateSuspendPending) { );
setpineled(Purple);
writefile(brightnessfile, "0"); // Temporary hack to disable USB driver that doesn't suspend
} else if (state == StateDead) { fprintf(stderr, "Disabling buggy USB driver\n");
writefile(brightnessfile, oldbrightness); writefile(
setpineled(Off); "/sys/devices/platform/soc/1c19000.usb/driver/unbind",
} "1c19000.usb"
);
// Temporary hack to disable Bluetooth driver that crashes on suspend 1/5th the time
fprintf(stderr, "Disabling buggy Bluetooth driver\n");
writefile(
"/sys/bus/serial/drivers/hci_uart_h5/unbind",
"serial0-0"
);
// E.g. make sure we're using CRUST
fprintf(stderr, "Flip mem_sleep setting to use crust\n");
writefile("/sys/power/mem_sleep", "deep");
} }
static void void
die(const char *err, ...) die(const char *err, ...)
{ {
fprintf(stderr, "Error: %s", err); fprintf(stderr, "Error: %s", err);
@ -91,12 +106,33 @@ die(const char *err, ...)
exit(1); exit(1);
} }
// Loosely derived from suckless' slock's lockscreen binding logic but int
// alot more coarse, intentionally so can be triggered while grab_key getoldbrightness() {
// for dwm multikey path already holding.. char * buffer = 0;
long length;
FILE * f = fopen(brightnessfile, "r");
if (f) {
fseek(f, 0, SEEK_END);
length = ftell(f);
fseek(f, 0, SEEK_SET);
buffer = malloc(length);
if (buffer) {
fread(buffer, 1, length, f);
}
fclose(f);
}
if (buffer) {
sprintf(oldbrightness, "%d", atoi(buffer));
}
}
void void
lockscreen(Display *dpy, int screen) lockscreen(Display *dpy, int screen)
{ {
// Loosely derived from suckless' slock's lockscreen binding logic but
// alot more coarse, intentionally so can be triggered while grab_key
// for dwm multikey path already holding..
int i, ptgrab, kbgrab; int i, ptgrab, kbgrab;
Window root; Window root;
root = RootWindow(dpy, screen); root = RootWindow(dpy, screen);
@ -128,7 +164,7 @@ readinputloop(Display *dpy, int screen) {
int xfd; int xfd;
int selectresult; int selectresult;
struct timeval xeventtimeout = {10, 0}; struct timeval xeventtimeout = {10, 0};
xfd = ConnectionNumber(dpy); xfd = ConnectionNumber(dpy);
for (;;) { for (;;) {
FD_ZERO(&fdset); FD_ZERO(&fdset);
@ -153,7 +189,7 @@ readinputloop(Display *dpy, int screen) {
continue; continue;
lastkeyn = 0; lastkeyn = 0;
lastkeysym = NULL; lastkeysym = XK_Cancel;
switch (keysym) { switch (keysym) {
case XF86XK_AudioRaiseVolume: case XF86XK_AudioRaiseVolume:
state = StateSuspend; state = StateSuspend;
@ -176,83 +212,61 @@ readinputloop(Display *dpy, int screen) {
} }
} }
int void
getoldbrightness() { setpineled(enum Color c)
char * buffer = 0; {
long length; if (c == Red) {
FILE * f = fopen(brightnessfile, "r"); writefile("/sys/class/leds/red:indicator/brightness", "1");
if (f) { writefile("/sys/class/leds/blue:indicator/brightness", "0");
fseek(f, 0, SEEK_END); } else if (c == Blue) {
length = ftell(f); writefile("/sys/class/leds/red:indicator/brightness", "0");
fseek(f, 0, SEEK_SET); writefile("/sys/class/leds/blue:indicator/brightness", "1");
buffer = malloc(length); } else if (c == Purple) {
if (buffer) { writefile("/sys/class/leds/red:indicator/brightness", "1");
fread(buffer, 1, length, f); writefile("/sys/class/leds/blue:indicator/brightness", "1");
} } else if (c == Off) {
fclose(f); writefile("/sys/class/leds/red:indicator/brightness", "0");
} writefile("/sys/class/leds/blue:indicator/brightness", "0");
if (buffer) {
sprintf(oldbrightness, "%d", atoi(buffer));
} }
} }
void void
configuresuspendsettingsandwakeupsources() syncstate()
{ {
// Disable all wakeup sources if (state == StateSuspend) {
struct dirent *wakeupsource; setpineled(Red);
char wakeuppath[100]; configuresuspendsettingsandwakeupsources();
DIR *wakeupsources = opendir("/sys/class/wakeup"); writefile(powerstatefile, "mem");
if (wakeupsources == NULL) state = StateSuspendPending;
die("Couldn't open directory /sys/class/wakeup\n"); syncstate();
while ((wakeupsource = readdir(wakeupsources)) != NULL) { } else if (state == StateNoInput) {
sprintf( setpineled(Blue);
wakeuppath, writefile(brightnessfile, oldbrightness);
"/sys/class/wakeup/%s/device/power/wakeup", } else if (state == StateNoInputNoScreen || state == StateSuspendPending) {
wakeupsource->d_name setpineled(Purple);
); writefile(brightnessfile, "0");
fprintf(stderr, "Disabling wakeup source: %s", wakeupsource->d_name); } else if (state == StateDead) {
writefile(wakeuppath, "disabled"); writefile(brightnessfile, oldbrightness);
fprintf(stderr, ".. ok\n"); setpineled(Off);
} }
closedir(wakeupsources); }
// Enable powerbutton wakeup source
fprintf(stderr, "Enable powerbutton wakeup source\n");
writefile(
"/sys/devices/platform/soc/1f03400.rsb/sunxi-rsb-3a3/axp221-pek/power/wakeup",
"enabled"
);
// Enable rtc wakeup source
fprintf(stderr, "Enable rtc wakeup source\n");
writefile(
"/sys/devices/platform/soc/1f00000.rtc/power/wakeup",
"enabled"
);
// Temporary hack to disable USB driver that doesn't suspend
fprintf(stderr, "Disabling buggy USB driver\n");
writefile(
"/sys/devices/platform/soc/1c19000.usb/driver/unbind",
"1c19000.usb"
);
// Temporary hack to disable Bluetooth driver that crashes on suspend 1/5th the time
fprintf(stderr, "Disabling buggy Bluetooth driver\n");
writefile(
"/sys/bus/serial/drivers/hci_uart_h5/unbind",
"serial0-0"
);
// E.g. make sure we're using CRUST void
fprintf(stderr, "Flip mem_sleep setting to use crust\n"); writefile(char *filepath, char *str)
writefile("/sys/power/mem_sleep", "deep"); {
int f;
f = open(filepath, O_WRONLY);
if (f != -1) {
write(f, str, strlen(str));
close(f);
} else {
fprintf(stderr, "Couldn't open filepath <%s>\n", filepath);
}
} }
int int
main(int argc, char **argv) { main(int argc, char **argv) {
Screen *screen; int screen;
if (setuid(0)) if (setuid(0))
die("setuid(0) failed\n"); die("setuid(0) failed\n");

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