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Add: load colors from an external file

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pi66 2025-11-25 12:59:22 +01:00
parent 03e6e72b41
commit e240c8bf84
2 changed files with 96 additions and 0 deletions
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16
patches/bar-recolr/README.md Normal file
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@ -0,0 +1,16 @@
# Description
Reload colorscheme on the fly without restart or recompile DWL.
> NOTE:
The patch works on (main 2025-11-01) and v0.7
# Dependencies
this patch depends on [bar](https://codeberg.org/dwl/dwl-patches/src/branch/main/patches/bar/) patch
# Download
- [git branch](https://codeberg.org/pi66/dwl-patches/raw/branch/main/patches/bar-recolr/bar-recolr.patch)
- [main 2025-11-01](https://codeberg.org/dwl/dwl-patches/raw/branch/main/patches/bar-recolr/bar-recolr.patch)
- [v0.7](https://codeberg.org/dwl/dwl-patches/raw/branch/main/patches/bar-recolr/bar-recolr.patch)
# Authors
- [pi66](https://pi66.xyz)

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patches/bar-recolr/bar-recolr.patch Normal file
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From 89029325be300f03bbc3ca3b2d77f107d0cb5ca2 Mon Sep 17 00:00:00 2001
From: pi66 <pixel2176@proton.me>
Date: Tue, 25 Nov 2025 12:53:36 +0100
Subject: [PATCH] Add: load colors from an external file
---
config.def.h | 3 +++
dwl.c | 21 +++++++++++++++++++++
2 files changed, 24 insertions(+)
diff --git a/config.def.h b/config.def.h
index 1b7472d..3c04759 100644
--- a/config.def.h
+++ b/config.def.h
@@ -9,6 +9,8 @@ static const int bypass_surface_visibility = 0; /* 1 means idle inhibitors will
static const unsigned int borderpx = 1; /* border pixel of windows */
static const int showbar = 1; /* 0 means no bar */
static const int topbar = 1; /* 0 means bottom bar */
+static const int refresh_colors = 0; /* 1 means reloading colors when the session starts*/
+static const char *colors_file = "/home/pixel/.cache/wal/dwl-colors"; /* change the username */
static const char *fonts[] = {"monospace:size=10"};
static const float rootcolor[] = COLOR(0x000000ff);
/* This conforms to the xdg-protocol. Set the alpha to zero to restore the old behavior */
@@ -135,6 +137,7 @@ static const Key keys[] = {
{ MODKEY|WLR_MODIFIER_SHIFT, XKB_KEY_Return, spawn, {.v = termcmd} },
{ MODKEY, XKB_KEY_b, togglebar, {0} },
{ MODKEY, XKB_KEY_j, focusstack, {.i = +1} },
+ { MODKEY, XKB_KEY_n, reload_colors, {0} },
{ MODKEY, XKB_KEY_k, focusstack, {.i = -1} },
{ MODKEY, XKB_KEY_i, incnmaster, {.i = +1} },
{ MODKEY, XKB_KEY_d, incnmaster, {.i = -1} },
diff --git a/dwl.c b/dwl.c
index bf340d8..fc81d89 100644
--- a/dwl.c
+++ b/dwl.c
@@ -345,6 +345,7 @@ static void pointerfocus(Client *c, struct wlr_surface *surface,
double sx, double sy, uint32_t time);
static void powermgrsetmode(struct wl_listener *listener, void *data);
static void quit(const Arg *arg);
+static void reload_colors(const Arg *arg);
static void rendermon(struct wl_listener *listener, void *data);
static void requestdecorationmode(struct wl_listener *listener, void *data);
static void requeststartdrag(struct wl_listener *listener, void *data);
@@ -2348,6 +2349,25 @@ quit(const Arg *arg)
wl_display_terminate(dpy);
}
+void
+reload_colors(const Arg *arg)
+{
+ FILE *f = fopen(colors_file, "r");
+ if (!f) return;
+
+ for (int i = 0; i < (int)LENGTH(colors); i++) {
+ unsigned int fg, bg, border;
+ if (fscanf(f, "%x %x %x", &fg, &bg, &border) != 3)
+ break;
+
+ colors[i][ColFg] = fg;
+ colors[i][ColBg] = bg;
+ colors[i][ColBorder] = border;
+ }
+ fclose(f);
+ drawbars();
+}
+
void
rendermon(struct wl_listener *listener, void *data)
{
@@ -3482,6 +3502,7 @@ main(int argc, char *argv[])
if (!getenv("XDG_RUNTIME_DIR"))
die("XDG_RUNTIME_DIR must be set");
setup();
+ if (refresh_colors) reload_colors(0);
run(startup_cmd);
cleanup();
return EXIT_SUCCESS;
--
2.51.2