From 7c447ed7c04aaa05e9e973841d5f888452046c5c Mon Sep 17 00:00:00 2001
From: linuswck <linuswck@m-labs.hk>
Date: Tue, 28 Jan 2025 16:49:56 +0800
Subject: [PATCH] pglive: Fix range_width bugs at boundary condition

---
 patches/pg_live_range_width.patch | 34 +++++++++++++++++++++++++------
 1 file changed, 28 insertions(+), 6 deletions(-)

diff --git a/patches/pg_live_range_width.patch b/patches/pg_live_range_width.patch
index 49fd2f8..084b12d 100644
--- a/patches/pg_live_range_width.patch
+++ b/patches/pg_live_range_width.patch
@@ -1,5 +1,5 @@
 diff --git a/pglive/sources/live_axis_range.py b/pglive/sources/live_axis_range.py
-index cd3a7fc..102a48f 100755
+index cd3a7fc..276c7b6 100755
 --- a/pglive/sources/live_axis_range.py
 +++ b/pglive/sources/live_axis_range.py
 @@ -13,6 +13,10 @@ class LiveAxisRange:
@@ -24,7 +24,13 @@ index cd3a7fc..102a48f 100755
          self.x_range: Dict[str, List[float]] = {}
          self.y_range: Dict[str, List[float]] = {}
          self.final_x_range = [0.0, 0.0]
-@@ -70,6 +78,7 @@ class LiveAxisRange:
+@@ -65,11 +73,12 @@ class LiveAxisRange:
+                 final_range[0] = x_range[0]
+             if final_range[1] < x_range[1]:
+                 final_range[1] = x_range[1]
+-        if final_range[0] == final_range[1]:
++        if final_range[0] == final_range[1] and self.x_range_width is not None:
+             # Pyqtgraph ViewBox.setRange doesn't like same value for min and max,
              # therefore in that case we must set some range
              final_range[0] -= 0.4
              final_range[1] += 0.4
@@ -32,7 +38,23 @@ index cd3a7fc..102a48f 100755
          if self.final_x_range != final_range:
              self.final_x_range = final_range
          return self.final_x_range
-@@ -137,6 +146,7 @@ class LiveAxisRange:
+@@ -88,7 +97,7 @@ class LiveAxisRange:
+                 final_range[1] = x_range[1]
+         if final_range is None:
+             final_range = [0, 0]
+-        if final_range[0] == final_range[1]:
++        if final_range[0] == final_range[1] and self.x_range_width is None:
+             # Pyqtgraph ViewBox.setRange doesn't like same value for min and max,
+             # therefore in that case we must set some range
+             final_range[0] -= 0.4
+@@ -132,11 +141,13 @@ class LiveAxisRange:
+                 final_range[0] = y_range[0]
+             if final_range[1] < y_range[1]:
+                 final_range[1] = y_range[1]
+-        if final_range[0] == final_range[1]:
++        
++        if final_range[0] == final_range[1] and self.y_range_width is None:
+             # Pyqtgraph ViewBox.setRange doesn't like same value for min and max,
              # therefore in that case we must set some range
              final_range[0] -= 0.4
              final_range[1] += 0.4
@@ -40,7 +62,7 @@ index cd3a7fc..102a48f 100755
          if self.final_y_range != final_range:
              self.final_y_range = final_range
          return self.final_y_range
-@@ -199,6 +209,24 @@ class LiveAxisRange:
+@@ -199,6 +210,24 @@ class LiveAxisRange:
          else:
              return None
  
@@ -56,9 +78,9 @@ index cd3a7fc..102a48f 100755
 +            bound_width = abs(bound[0] - bound[1])
 +            if bound_width < final_range_width:
 +                final_range = bound
-+            if final_range[0] < bound[0]:
++            if final_range[0] <= bound[0]:
 +                final_range = [bound[0], bound[0] + final_range_width]
-+            elif final_range[1] > bound[1]:
++            elif final_range[1] >= bound[1]:
 +                final_range = [bound[0] - final_range_width, bound[1]]
 +        return final_range
 +