From 7647f870a66448e6062507b56bd11353b521910f Mon Sep 17 00:00:00 2001
From: LordBaryhobal <lordbaryhobal@gmail.com>
Date: Sun, 24 Mar 2024 13:39:40 +0100
Subject: [PATCH] added LEFT_LABELS config param

---
 config.py   |  1 +
 renderer.py | 41 ++++++++++++++++++++++++++++++++++-------
 2 files changed, 35 insertions(+), 7 deletions(-)

diff --git a/config.py b/config.py
index d5b5c46..ee8b3c5 100644
--- a/config.py
+++ b/config.py
@@ -23,6 +23,7 @@ class Config:
     VALUES_GAP = 5
     ARROW_LABEL_DISTANCE = 5
     FORCE_DESCS_ON_SIDE = False
+    LEFT_LABELS = False
     WIDTH = 1200
     HEIGHT = 800
     
diff --git a/renderer.py b/renderer.py
index 399cd36..22d5ab8 100644
--- a/renderer.py
+++ b/renderer.py
@@ -31,7 +31,12 @@ class Renderer:
     def render(self, schema: InstructionSetSchema) -> None:
         self.surf.fill(self.config.BACKGROUND_COLOR)
         
-        self.drawStructure(schema.structures["main"], schema.structures, self.margins[3], self.margins[0])
+        mainStruct: Structure = schema.structures["main"]
+        ox = self.margins[3]
+        if self.config.LEFT_LABELS:
+            ox = self.config.WIDTH - self.margins[3] - mainStruct.bits * self.config.BIT_WIDTH
+        
+        self.drawStructure(schema.structures["main"], schema.structures, ox, self.margins[0])
         
         if self.display:
             name = os.path.basename(schema.path)
@@ -76,12 +81,20 @@ class Renderer:
                 pygame.draw.line(self.surf, borderCol, [bitX, bitsY], [bitX, bitsY + bitH])
         
         ranges = struct.getSortedRanges()
+        if self.config.LEFT_LABELS:
+            ranges.reverse()
         
         if self.config.FORCE_DESCS_ON_SIDE:
-            descX = self.margins[3] + structures["main"].bits * bitW
+            if self.config.LEFT_LABELS:
+                descX = self.config.WIDTH - self.margins[3] - structures["main"].bits * bitW
+            else:
+                descX = self.margins[3] + structures["main"].bits * bitW
         
         else:
-            descX = ox + max(0, (struct.bits-12) * bitW)
+            if self.config.LEFT_LABELS:
+                descX = ox + struct.bits * bitW
+            else:
+                descX = ox
         
         descY = bitsY + bitH * 2
         
@@ -128,10 +141,16 @@ class Renderer:
         bitH = self.config.BIT_HEIGHT
         arrowMargin = self.config.ARROW_MARGIN
         
+        if endX > startX:
+            endX -= arrowMargin
+        
+        else:
+            endX += arrowMargin
+        
         pygame.draw.lines(self.surf, self.config.LINK_COLOR, False, [
             [startX, startY + bitH*1.5],
             [startX, endY + bitH/2],
-            [endX - arrowMargin, endY + bitH/2]
+            [endX, endY + bitH/2]
         ])
     
     def drawDescription(self,
@@ -145,7 +164,10 @@ class Renderer:
         bitW = self.config.BIT_WIDTH
         bitH = self.config.BIT_HEIGHT
         
-        descX = max(descX, rStartX + rWidth/2 + bitW)
+        if self.config.LEFT_LABELS:
+            descX = min(descX, rStartX + rWidth/2 - bitW)
+        else:
+            descX = max(descX, rStartX + rWidth/2 + bitW)
         
         self.drawUnderbracket(rStartX, rStartX + rWidth, rStartY)
         
@@ -153,12 +175,17 @@ class Renderer:
         self.drawLink(midX, rStartY, descX, descY)
         
         descTxt = self.font.render(range_.description, True, self.config.TEXT_COLOR)
-        self.surf.blit(descTxt, [descX, descY + (bitH - descTxt.get_height())/2])
+        txtX = descX
+        
+        if self.config.LEFT_LABELS:
+            txtX -= descTxt.get_width()
+        
+        self.surf.blit(descTxt, [txtX, descY + (bitH - descTxt.get_height())/2])
         
         descY += descTxt.get_height()
         
         if range_.values is not None and range_.dependsOn is None:
-            descX, descY = self.drawValues(range_.values, descX, descY)
+            txtX, descY = self.drawValues(range_.values, txtX, descY)
         
         descY += self.config.DESCRIPTION_MARGIN