https://bugs.kde.org/show_bug.cgi?id=506083

            Bug ID: 506083
           Summary: Slideshow wallpaper config not updated immediately
                    when wallpaper changes
    Classification: Plasma
           Product: plasmashell
      Version First master
       Reported In:
          Platform: Arch Linux
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: Image & Slideshow wallpaper plugins
          Assignee: plasma-b...@kde.org
          Reporter: salahhachm...@gmail.com
                CC: notm...@gmail.com, qydwhotm...@gmail.com
  Target Milestone: 1.0

When using the slideshow wallpaper plugin (`org.kde.slideshow`), the `Image=`
value in `plasma-org.kde.plasma.desktop-appletsrc` is not updated immediately
when the slideshow transitions to a new wallpaper. The config file continues to
show the previous wallpaper path until `plasmashell` is restarted.

**Steps to reproduce:**
1. Set wallpaper to slideshow mode with multiple images
2. Wait for slideshow to change wallpaper (or change manually)
3. Check `~/.config/plasma-org.kde.plasma.desktop-appletsrc` 
4. Notice the `Image=` value still shows the old wallpaper path

**Expected behavior:**
The config file should immediately reflect the currently displayed wallpaper

**Actual behavior:**
Config file is only updated after restarting plasmashell

**Impact:**
This prevents external scripts/tools from detecting the current wallpaper
programmatically

---

## **Feature Request:**

**Title:** Add D-Bus method to get current wallpaper path

**Description:**
Currently there's no reliable way for external applications to determine the
currently displayed wallpaper, especially with slideshow mode. 

**Proposed solution:**
Add a D-Bus method like:
```
org.kde.plasmashell.getCurrentWallpaper()
```

This would return the absolute path of the currently displayed wallpaper
regardless of the wallpaper plugin being used.

**Use cases:**
- Synchronizing wallpapers with other applications
- Creating wallpaper-aware themes/scripts
- Backup/organization tools that need current wallpaper info

SOFTWARE/OS VERSIONS
Windows: 
macOS: 
(available in the Info Center app, or by running `kinfo` in a terminal window)
Operating System: Arch Linux 
KDE Plasma Version: 6.4.0
KDE Frameworks Version: 6.15.0
Qt Version: 6.9.1
Kernel Version: 6.15.3-zen1-1-zen (64-bit)
Graphics Platform: Wayland
Processors: 2 × Intel® Celeron® N4000 CPU @ 1.10GHz
Memory: 4 GiB of RAM (3.7 GiB usable)
Graphics Processor: Intel® UHD Graphics 600

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