Upload files to "PTPLogger"

PTPLogger/PTPLogger_Graphing.py

@@ -84,7 +84,7 @@ ANOMALY_THRESHOLD_FREQ = 1_000_000_000   # ppb
 
 # --- Version check ---
 # Bump this on every build, and keep PTPLogger/VERSION in the repo matching it.
-__version__ = "1.1.3"
+__version__ = "1.1.4"
 
 VERSION_URL = "https://gitea.apointless.space/bsncubed/RiedelScripts/raw/branch/main/PTPLogger/VERSION"
 DOWNLOAD_PAGE_URL = "https://gitea.apointless.space/bsncubed/RiedelScripts/src/branch/main/PTPLogger"
@@ -523,6 +523,24 @@ def plot_data(t, rms, freq, delay, max_offset, state_events, master_events, link
         ha='center', fontsize=7, color='gray'
     )
 
+    # Capture the y-limits as they stand right now (either the shared
+    # cross-interface scale set above, or matplotlib's own auto-fit) so the
+    # "Reset Scale" button can restore exactly this later, independent of
+    # whatever the time-axis zoom/pan ends up being.
+    fig.canvas.draw()
+    original_ylims = {ax: ax.get_ylim() for ax in all_axes}
+
+    def show_absolute_scale():
+        for ax in all_axes:
+            ymin, ymax = original_ylims[ax]
+            ax.set_ylim(*_padded_range(min(ymin, 0), max(ymax, 0)))
+        fig.canvas.draw_idle()
+
+    def reset_scale():
+        for ax in all_axes:
+            ax.set_ylim(original_ylims[ax])
+        fig.canvas.draw_idle()
+
     # Add a "Copy Graph" button to this figure's own window (TkAgg backend)
     try:
         host_window = fig.canvas.manager.window
@@ -537,6 +555,9 @@ def plot_data(t, rms, freq, delay, max_offset, state_events, master_events, link
             copy_btn = tk.Button(btn_bar, text="Copy Graph",
                                   command=lambda f=fig: copy_figure_to_clipboard(f))
             copy_btn.pack(side=tk.LEFT, padx=5, pady=2)
+
+        tk.Button(btn_bar, text="Show Absolute Scale", command=show_absolute_scale).pack(side=tk.LEFT, padx=5, pady=2)
+        tk.Button(btn_bar, text="Reset Scale", command=reset_scale).pack(side=tk.LEFT, padx=5, pady=2)
     except Exception:
         pass  # non-Tk backend or headless — skip silently
 
@@ -846,9 +867,24 @@ def check_for_updates():
         pass
 
 
+def show_about():
+    about_win = tk.Toplevel(root)
+    about_win.title("About")
+    about_win.resizable(False, False)
+
+    tk.Label(about_win, text="PTP Log Grapher", font=("", 12, "bold")).pack(padx=30, pady=(15, 2))
+    tk.Label(about_win, text=f"Version {__version__}", fg="gray").pack(pady=(0, 10))
+
+    link = tk.Label(about_win, text="View project on Gitea", fg="#3b6ea5", cursor="hand2")
+    link.pack(pady=(0, 10))
+    link.bind("<Button-1>", lambda e: webbrowser.open(DOWNLOAD_PAGE_URL))
+
+    tk.Label(about_win, text="Created by Ben Nicholson", fg="gray").pack(padx=30, pady=(0, 15))
+
+
 # GUI
 root = tk.Tk()
-root.title("PTP Log Viewer")
+root.title("PTP Log Grapher")
 root.geometry("900x650")
 root.protocol("WM_DELETE_WINDOW", on_main_window_close)
 
@@ -858,6 +894,8 @@ frame.pack(pady=5)
 open_button = tk.Button(frame, text="Open Log", command=open_file)
 open_button.pack(side=tk.LEFT, padx=10)
 
+tk.Button(frame, text="About", command=show_about).pack(side=tk.LEFT, padx=(0, 10))
+
 detail_var = tk.StringVar(value="Auto")
 
 tk.OptionMenu(