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