From 6d3a15f33cedaa8f01b0f96c8d2a1f8de24bbb33 Mon Sep 17 00:00:00 2001
From: vaxerski <43317083+vaxerski@users.noreply.github.com>
Date: Sun, 6 Nov 2022 22:56:42 +0000
Subject: [PATCH] allow wildcards for monitors

---
 README.md         |  2 +-
 src/Hyprpaper.cpp | 15 +++++++++++++++
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 5359788..9c0a71e 100644
--- a/README.md
+++ b/README.md
@@ -29,7 +29,7 @@ wallpaper = monitor,/path/to/image.png
 # .. more monitors
 ```
 
-Preload will tell Hyprland to load a particular image (supported formats: png, jpg, jpeg). Wallpaper will apply the wallpaper to the selected output (`monitor` is the monitor's name, easily can be retrieved with `hyprctl monitors`)
+Preload will tell Hyprland to load a particular image (supported formats: png, jpg, jpeg). Wallpaper will apply the wallpaper to the selected output (`monitor` is the monitor's name, easily can be retrieved with `hyprctl monitors`. You can leave it empty for a wildcard (aka fallback))
 
 You may add `contain:` before the file path in `wallpaper=` to set the mode to contain instead of cover:
 
diff --git a/src/Hyprpaper.cpp b/src/Hyprpaper.cpp
index 7fa3c9e..a610b35 100644
--- a/src/Hyprpaper.cpp
+++ b/src/Hyprpaper.cpp
@@ -261,6 +261,21 @@ void CHyprpaper::ensureMonitorHasActiveWallpaper(SMonitor* pMonitor) {
         }
     }
 
+    if (!it->second) {
+        // try to find a wildcard
+        for (auto&[mon, path1] : m_mMonitorActiveWallpapers) {
+            if (mon.empty()) {
+                for (auto&[path2, target] : m_mWallpaperTargets) {
+                    if (path1 == path2) {
+                        it->second = &target;
+                        break;
+                    }
+                }
+                break;
+            }
+        }
+    }
+
     if (!it->second) {
         pMonitor->hasATarget = false;
         Debug::log(WARN, "Monitor %s does not have a target! A wallpaper will not be created.", pMonitor->name.c_str());