commit 4a0f4aead79bd748806be494b299048936f04948
Author: C. Beau Hilton <cbeauhilton@gmail.com>
Date: Thu, 25 Jun 2020 13:34:39 -0500
migrating
Diffstat:
| A | .gitignore | | | 53 | +++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| A | LICENSE | | | 339 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| A | Makefile | | | 14 | ++++++++++++++ |
| A | README.md | | | 18 | ++++++++++++++++++ |
| A | config.h | | | 23 | +++++++++++++++++++++++ |
| A | dwmblocks.c | | | 207 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| A | patches/dwmblocks-statuscmd-signal.diff | | | 93 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
7 files changed, 747 insertions(+), 0 deletions(-)
diff --git a/.gitignore b/.gitignore
@@ -0,0 +1,53 @@
+# Prerequisites
+*.d
+
+# Object files
+*.o
+*.ko
+*.obj
+*.elf
+
+# Linker output
+*.ilk
+*.map
+*.exp
+
+# Precompiled Headers
+*.gch
+*.pch
+
+# Libraries
+*.lib
+*.a
+*.la
+*.lo
+
+# Shared objects (inc. Windows DLLs)
+*.dll
+*.so
+*.so.*
+*.dylib
+
+# Executables
+*.exe
+*.out
+*.app
+*.i*86
+*.x86_64
+*.hex
+dwmblocks
+
+# Debug files
+*.dSYM/
+*.su
+*.idb
+*.pdb
+
+# Kernel Module Compile Results
+*.mod*
+*.cmd
+.tmp_versions/
+modules.order
+Module.symvers
+Mkfile.old
+dkms.conf
diff --git a/LICENSE b/LICENSE
@@ -0,0 +1,339 @@
+ GNU GENERAL PUBLIC LICENSE
+ Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+ Preamble
+
+ The licenses for most software are designed to take away your
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+
+ <signature of Ty Coon>, 1 April 1989
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diff --git a/Makefile b/Makefile
@@ -0,0 +1,14 @@
+PREFIX ?= /usr/local
+
+output: dwmblocks.o
+ gcc dwmblocks.o -lX11 -o dwmblocks
+dwmblocks.o: dwmblocks.c config.h
+ gcc -c -lX11 dwmblocks.c
+clean:
+ rm -f *.o *.gch dwmblocks
+install: output
+ mkdir -p $(DESTDIR)$(PREFIX)/bin
+ cp -f dwmblocks $(DESTDIR)$(PREFIX)/bin
+ chmod 755 $(DESTDIR)$(PREFIX)/bin/dwmblocks
+uninstall:
+ rm -f $(DESTDIR)$(PREFIX)/bin/dwmblocks
diff --git a/README.md b/README.md
@@ -0,0 +1,18 @@
+# dwmblocks
+Modular status bar for dwm written in c.
+# modifying blocks
+The statusbar is made from text output from commandline programs.
+Blocks are added and removed by editing the blocks.h header file.
+# Luke's bulid
+I have dwmblocks read my preexisting scripts [here in my dotfiles repo](https://github.com/LukeSmithxyz/voidrice/tree/master/.local/bin/statusbar).
+So if you want my build out of the box, download those and put them in your `$PATH`.
+I do this to avoid redundancy in LARBS, both i3 and dwm use the same statusbar scripts.
+# signalling changes
+For example, the audio module has the update signal 10 by default.
+Thus, running `pkill -RTMIN+10 dwmblocks` will update it.
+# clickable modules
+Like i3blocks, this build allows you to build in additional actions into your scripts in response to click events.
+See the above linked scripts for examples of this using the `$BLOCK_BUTTON` variable.
+
+For this feature to work, you need the appropriate patch in dwm as well. See [here](https://gist.github.com/danbyl/54f7c1d57fc6507242a95b71c3d8fdea).
+Credit for those patches goes to Daniel Bylinka (daniel.bylinka@gmail.com).
diff --git a/config.h b/config.h
@@ -0,0 +1,23 @@
+static const Block blocks[] = {
+ /*Command*/ /*Update Interval (seconds)*/ /*Update Signal*/
+ {"cat /tmp/recordingicon 2>/dev/null", 0, 9},
+ /* {"music", 0, 11}, */
+ {"pacpackages", 0, 8},
+ /* {"crypto", 0, 13}, */
+ /* {"torrent", 20, 7}, */
+ /* {"news", 0, 6}, */
+ /* {"memory", 10, 14}, */
+ /* {"cpu", 10, 13}, */
+ /* {"moonphase", 18000, 5}, */
+ /* {"weather", 18000, 5}, */
+ /* {"mailbox", 180, 12}, */
+ {"volume", 0, 10},
+ {"battery", 5, 3},
+ /* {"clock", 60, 1}, */
+ {"internet", 5, 4},
+ /* {"help-icon", 0, 15}, */
+};
+
+//sets delimeter between status commands. NULL character ('\0') means no delimeter.
+static char delim = '|';
+
diff --git a/dwmblocks.c b/dwmblocks.c
@@ -0,0 +1,207 @@
+#include<stdlib.h>
+#include<stdio.h>
+#include<string.h>
+#include<unistd.h>
+#include<signal.h>
+#include<X11/Xlib.h>
+#define LENGTH(X) (sizeof(X) / sizeof (X[0]))
+#define CMDLENGTH 50
+
+typedef struct {
+ char* command;
+ unsigned int interval;
+ unsigned int signal;
+} Block;
+void sighandler(int num);
+void buttonhandler(int sig, siginfo_t *si, void *ucontext);
+void replace(char *str, char old, char new);
+void getcmds(int time);
+#ifndef __OpenBSD__
+void getsigcmds(int signal);
+void setupsignals();
+void sighandler(int signum);
+#endif
+int getstatus(char *str, char *last);
+void setroot();
+void statusloop();
+void termhandler(int signum);
+
+
+#include "config.h"
+
+static Display *dpy;
+static int screen;
+static Window root;
+static char statusbar[LENGTH(blocks)][CMDLENGTH] = {0};
+static char statusstr[2][256];
+static char exportstring[CMDLENGTH + 22] = "export BLOCK_BUTTON=-;";
+static int button = 0;
+static int statusContinue = 1;
+static void (*writestatus) () = setroot;
+
+void replace(char *str, char old, char new)
+{
+ int N = strlen(str);
+ for(int i = 0; i < N; i++)
+ if(str[i] == old)
+ str[i] = new;
+}
+
+//opens process *cmd and stores output in *output
+void getcmd(const Block *block, char *output)
+{
+ if (block->signal)
+ {
+ output[0] = block->signal;
+ output++;
+ }
+ char* cmd;
+ FILE *cmdf;
+ if (button)
+ {
+ cmd = strcat(exportstring, block->command);
+ cmd[20] = '0' + button;
+ button = 0;
+ cmdf = popen(cmd,"r");
+ cmd[22] = '\0';
+ }
+ else
+ {
+ cmd = block->command;
+ cmdf = popen(cmd,"r");
+ }
+ if (!cmdf)
+ return;
+ fgets(output, CMDLENGTH, cmdf);
+ int i = strlen(output);
+ if (delim != '\0' && i)
+ output[i++] = delim;
+ output[i++] = '\0';
+ pclose(cmdf);
+}
+
+void getcmds(int time)
+{
+ const Block* current;
+ for(int i = 0; i < LENGTH(blocks); i++)
+ {
+ current = blocks + i;
+ if ((current->interval != 0 && time % current->interval == 0) || time == -1)
+ getcmd(current,statusbar[i]);
+ }
+}
+
+#ifndef __OpenBSD__
+void getsigcmds(int signal)
+{
+ const Block *current;
+ for (int i = 0; i < LENGTH(blocks); i++)
+ {
+ current = blocks + i;
+ if (current->signal == signal)
+ getcmd(current,statusbar[i]);
+ }
+}
+
+void setupsignals()
+{
+ struct sigaction sa;
+ for(int i = 0; i < LENGTH(blocks); i++)
+ {
+ if (blocks[i].signal > 0)
+ {
+ signal(SIGRTMIN+blocks[i].signal, sighandler);
+ sigaddset(&sa.sa_mask, SIGRTMIN+blocks[i].signal);
+ }
+ }
+ sa.sa_sigaction = buttonhandler;
+ sa.sa_flags = SA_SIGINFO;
+ sigaction(SIGUSR1, &sa, NULL);
+
+}
+#endif
+
+int getstatus(char *str, char *last)
+{
+ strcpy(last, str);
+ str[0] = '\0';
+ for(int i = 0; i < LENGTH(blocks); i++)
+ strcat(str, statusbar[i]);
+ str[strlen(str)-1] = '\0';
+ return strcmp(str, last);//0 if they are the same
+}
+
+void setroot()
+{
+ if (!getstatus(statusstr[0], statusstr[1]))//Only set root if text has changed.
+ return;
+ Display *d = XOpenDisplay(NULL);
+ if (d) {
+ dpy = d;
+ }
+ screen = DefaultScreen(dpy);
+ root = RootWindow(dpy, screen);
+ XStoreName(dpy, root, statusstr[0]);
+ XCloseDisplay(dpy);
+}
+
+void pstdout()
+{
+ if (!getstatus(statusstr[0], statusstr[1]))//Only write out if text has changed.
+ return;
+ printf("%s\n",statusstr[0]);
+ fflush(stdout);
+}
+
+
+void statusloop()
+{
+#ifndef __OpenBSD__
+ setupsignals();
+#endif
+ int i = 0;
+ getcmds(-1);
+ while(statusContinue)
+ {
+ getcmds(i);
+ writestatus();
+ sleep(1.0);
+ i++;
+ }
+}
+
+#ifndef __OpenBSD__
+void sighandler(int signum)
+{
+ getsigcmds(signum-SIGRTMIN);
+ writestatus();
+}
+
+void buttonhandler(int sig, siginfo_t *si, void *ucontext)
+{
+ button = si->si_value.sival_int & 0xff;
+ getsigcmds(si->si_value.sival_int >> 8);
+ writestatus();
+}
+
+#endif
+
+void termhandler(int signum)
+{
+ statusContinue = 0;
+ exit(0);
+}
+
+int main(int argc, char** argv)
+{
+ for(int i = 0; i < argc; i++)
+ {
+ if (!strcmp("-d",argv[i]))
+ delim = argv[++i][0];
+ else if(!strcmp("-p",argv[i]))
+ writestatus = pstdout;
+ }
+ signal(SIGTERM, termhandler);
+ signal(SIGINT, termhandler);
+ statusloop();
+}
diff --git a/patches/dwmblocks-statuscmd-signal.diff b/patches/dwmblocks-statuscmd-signal.diff
@@ -0,0 +1,93 @@
+diff --git a/dwmblocks.c b/dwmblocks.c
+index 88bdfb0..7bd14df 100644
+--- a/dwmblocks.c
++++ b/dwmblocks.c
+@@ -14,6 +14,7 @@ typedef struct {
+ unsigned int signal;
+ } Block;
+ void sighandler(int num);
++void buttonhandler(int sig, siginfo_t *si, void *ucontext);
+ void replace(char *str, char old, char new);
+ void getcmds(int time);
+ #ifndef __OpenBSD__
+@@ -34,6 +35,8 @@ static int screen;
+ static Window root;
+ static char statusbar[LENGTH(blocks)][CMDLENGTH] = {0};
+ static char statusstr[2][256];
++static char exportstring[CMDLENGTH + 16] = "export BUTTON=-;";
++static int button = 0;
+ static int statusContinue = 1;
+ static void (*writestatus) () = setroot;
+
+@@ -48,16 +51,34 @@ void replace(char *str, char old, char new)
+ //opens process *cmd and stores output in *output
+ void getcmd(const Block *block, char *output)
+ {
++ if (block->signal)
++ {
++ output[0] = block->signal;
++ output++;
++ }
+ strcpy(output, block->icon);
+- char *cmd = block->command;
+- FILE *cmdf = popen(cmd,"r");
++ char* cmd;
++ FILE *cmdf;
++ if (button)
++ {
++ cmd = strcat(exportstring, block->command);
++ cmd[14] = '0' + button;
++ button = 0;
++ cmdf = popen(cmd,"r");
++ cmd[16] = '\0';
++ }
++ else
++ {
++ cmd = block->command;
++ cmdf = popen(cmd,"r");
++ }
+ if (!cmdf)
+ return;
+ char c;
+ int i = strlen(block->icon);
+ fgets(output+i, CMDLENGTH-i, cmdf);
+ i = strlen(output);
+- if (delim != '\0' && --i)
++ if (delim != '\0' && i)
+ output[i++] = delim;
+ output[i++] = '\0';
+ pclose(cmdf);
+@@ -88,11 +106,18 @@ void getsigcmds(int signal)
+
+ void setupsignals()
+ {
++ struct sigaction sa;
+ for(int i = 0; i < LENGTH(blocks); i++)
+ {
+ if (blocks[i].signal > 0)
++ {
+ signal(SIGRTMIN+blocks[i].signal, sighandler);
++ sigaddset(&sa.sa_mask, SIGRTMIN+blocks[i].signal);
++ }
+ }
++ sa.sa_sigaction = buttonhandler;
++ sa.sa_flags = SA_SIGINFO;
++ sigaction(SIGUSR1, &sa, NULL);
+
+ }
+ #endif
+@@ -152,6 +177,14 @@ void sighandler(int signum)
+ getsigcmds(signum-SIGRTMIN);
+ writestatus();
+ }
++
++void buttonhandler(int sig, siginfo_t *si, void *ucontext)
++{
++ button = si->si_value.sival_int & 0xff;
++ getsigcmds(si->si_value.sival_int >> 8);
++ writestatus();
++}
++
+ #endif
+
+ void termhandler(int signum)
