From 636df184fba582c2261e4e0518771b92be68d9b1 Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Sun, 1 Sep 2024 20:24:44 +0200
Subject: Find noto fonts, update readme

---
 src/main.cpp | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/main.cpp b/src/main.cpp
index 411ab48..a3503c9 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -15,6 +15,7 @@
 #include <map>
 #include <assert.h>
 #include <unistd.h>
+#include <limits.h>
 
 #include <X11/Xlib.h>
 #include <X11/extensions/Xfixes.h>
@@ -155,6 +156,17 @@ static const mgl_monitor* find_monitor_by_cursor_position(mgl::Window &window) {
     return &win->monitors[0];
 }
 
+static std::string find_noto_font_filepath(const char *filename) {
+    const char *directories[] = { "/usr/share/fonts/noto", "/usr/share/fonts/truetype/noto" };
+    char filepath[PATH_MAX];
+    for(const char *directory : directories) {
+        snprintf(filepath, sizeof(filepath), "%s/%s", directory, filename);
+        if(access(filepath, F_OK) == 0)
+            return filepath;
+    }
+    return "";
+}
+
 int main(int argc, char **argv) {
     std::string resources_path;
     if(access("images/stream.png", F_OK) == 0) {
@@ -221,6 +233,12 @@ int main(int argc, char **argv) {
     const mgl::Color icon_color = parse_hex_color(icon_color_str ? icon_color_str : "FFFFFF", resources_path);
     const mgl::Color bg_color = parse_hex_color(bg_color_str ? bg_color_str : "76b900", resources_path);
 
+    const std::string noto_sans_bold_filepath = find_noto_font_filepath("NotoSans-Bold.ttf");
+    if(noto_sans_bold_filepath.empty()) {
+        fprintf(stderr, "error: failed to find NotoSans-Bold.ttf. Make sure noto fonts are installed on your system\n");
+        exit(2);
+    }
+
     mgl::Init init;
 
     mgl::Window::CreateParams window_create_params;
@@ -246,7 +264,7 @@ int main(int argc, char **argv) {
     const mgl_monitor *focused_monitor = find_monitor_by_cursor_position(window);
 
     mgl::MemoryMappedFile font_file;
-    if(!font_file.load("/usr/share/fonts/noto/NotoSans-Bold.ttf", mgl::MemoryMappedFile::LoadOptions{true, false}))
+    if(!font_file.load(noto_sans_bold_filepath.c_str(), mgl::MemoryMappedFile::LoadOptions{true, false}))
         return 1;
 
     mgl::Font font;
-- 
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