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From 9fd4a02b57aa8a764d8105d5f2f854372f4ef559 Mon Sep 17 00:00:00 2001
From: ViliamKovac1223 <viliamkovac1223@gmail.com>
Date: Sat, 9 Jul 2022 17:35:54 +0200
Subject: [PATCH] add restore patch
---
config.def.h | 2 ++
dwm.c | 53 ++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 55 insertions(+)
diff --git a/config.def.h b/config.def.h
index 6ec4146..0b91976 100644
--- a/config.def.h
+++ b/config.def.h
@@ -1,5 +1,7 @@
/* See LICENSE file for copyright and license details. */
+#define SESSION_FILE "/tmp/dwm-session"
+
/* appearance */
static const unsigned int borderpx = 1; /* border pixel of windows */
static const unsigned int snap = 32; /* snap pixel */
diff --git a/dwm.c b/dwm.c
index 74cec7e..76b40a2 100644
--- a/dwm.c
+++ b/dwm.c
@@ -1255,11 +1255,63 @@ propertynotify(XEvent *e)
}
}
+void
+saveSession(void)
+{
+ FILE *fw = fopen(SESSION_FILE, "w");
+ for (Client *c = selmon->clients; c != NULL; c = c->next) { // get all the clients with their tags and write them to the file
+ fprintf(fw, "%lu %u\n", c->win, c->tags);
+ }
+ fclose(fw);
+}
+
+void
+restoreSession(void)
+{
+ // restore session
+ FILE *fr = fopen(SESSION_FILE, "r");
+ if (!fr)
+ return;
+
+ char *str = malloc(23 * sizeof(char)); // allocate enough space for excepted input from text file
+ while (fscanf(fr, "%[^\n] ", str) != EOF) { // read file till the end
+ long unsigned int winId;
+ unsigned int tagsForWin;
+ int check = sscanf(str, "%lu %u", &winId, &tagsForWin); // get data
+ if (check != 2) // break loop if data wasn't read correctly
+ break;
+
+ for (Client *c = selmon->clients; c ; c = c->next) { // add tags to every window by winId
+ if (c->win == winId) {
+ c->tags = tagsForWin;
+ break;
+ }
+ }
+ }
+
+ for (Client *c = selmon->clients; c ; c = c->next) { // refocus on windows
+ focus(c);
+ restack(c->mon);
+ }
+
+ for (Monitor *m = selmon; m; m = m->next) // rearrange all monitors
+ arrange(m);
+
+ free(str);
+ fclose(fr);
+
+ // delete a file
+ remove(SESSION_FILE);
+}
+
void
quit(const Arg *arg)
{
if(arg->i) restart = 1;
running = 0;
+
+ if (restart == 1)
+ saveSession();
}
Monitor *
@@ -2173,6 +2225,7 @@ main(int argc, char *argv[])
die("pledge");
#endif /* __OpenBSD__ */
scan();
+ restoreSession();
run();
if(restart) execvp(argv[0], argv);
cleanup();
--
2.35.1
|