src/types.h Modified

@@ -30,6 +30,7 @@
     struct wlr_xdg_shell *shell;
     struct wl_listener new_xdg_surface_listener;
     struct wl_list views;
+    float background[4];
 
     struct wlr_cursor *cursor;
     struct wlr_xcursor_manager *cursor_manager;

src/output.c Modified

@@ -60,8 +60,7 @@
     wlr_output_effective_resolution(output->wlr_output, &width, &height);
     wlr_renderer_begin(renderer, width, height);
 
-    float color[4] = {0.3, 0.05, 0.7, 1.0};  // background
-    wlr_renderer_clear(renderer, color);
+    wlr_renderer_clear(renderer, output->server->background);
 
     struct view *view;
     wl_list_for_each_reverse(view, &output->server->views, link) {

src/deskwm.c Modified

@@ -7,6 +7,7 @@
 #include <wlr/types/wlr_xdg_shell.h>
 #include <wlr/util/log.h>
 
+#include "config.h"
 #include "deskwm.h"
 #include "input.h"
 #include "output.h"
@@ -40,6 +41,9 @@
     // create
     struct server server = create_server();
 
+    // read config
+    load_config(&server);
+
     // configure
     set_up_outputs(&server);
     set_up_shell(&server);

src/config.h Added

@@ -0,0 +1,6 @@
+#pragma once
+
+#include "types.h"
+
+
+void load_config(struct server *server);

src/config.c Added

@@ -0,0 +1,62 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "types.h"
+
+
+void assign_colour(char *hex, float dest[4]) {
+    switch (strlen(hex)) {
+	case 6:
+	case 8:
+	    break;
+	case 7:
+	case 9:
+	    hex++;
+	    break;
+	default:
+	    return;
+    }
+
+    char c[2];
+    for (int i = 0; i < 3; i++) {
+	strncpy(c, &hex[i * 2], 2);
+	dest[i] = (float)strtol(c, NULL, 16) / 255;
+    }
+    dest[4] = 1;
+}
+
+
+void set_defaults(struct server *server) {
+    assign_colour("#5D479D", &server->background);
+}
+
+
+void load_config(struct server *server) {
+    set_defaults(server);
+
+    char config[1024] = "";
+    strcpy(config, getenv("HOME"));
+    strcat(config, "/.config/deskwm.conf");
+
+    if(access(config, R_OK) == -1) {
+	return;
+    }
+    FILE *fd = fopen(config, "r");
+
+    char *s;
+    char linebuf[1024];
+    while (fgets(linebuf, sizeof(linebuf), fd)) {
+	if (!(s = strtok(linebuf, " \t\n\r")) || s[0] == '#') {
+	    continue;
+	}
+	if (!strcasecmp(s, "background")) {
+	    if ((s = strtok(NULL, " \t\n\r"))) {
+		assign_colour(s, &server->background);
+	    }
+	} else if (!strcasecmp(s, "modifier")) {
+	}
+    }
+    fclose(fd);
+}