Use same colour despite different cases; fixes #42 (#44)

- When system themes use lower case colour names and icon
  theme uses the captialized word, different colour are
  variants were getting set. Now same variant will be set
  despite the difference in cases in colour names.

Author: hsbasu

Diff for: src/ThemeManager/common.py

@@ -233,7 +233,7 @@ def prep_theme_variants(self, state, theme_styles):
 		stateflag = 1
 		module_logger.info("Current State: %s", currentstate)
 
-		if  self.icon_theme:
+		if self.icon_theme:
 			icontheme = self.prep_icon_theme(currentstate, currentcolor)
 
 		if self.cursor_theme:
@@ -292,8 +292,10 @@ def prep_theme_variants(self, state, theme_styles):
 		return nxt_theme
 
 	def prep_icon_theme(self, currentstate, currentcolor):
-		if currentcolor in self.icon_colvariants:
-			iconcolor = currentcolor
+		for color in self.icon_colvariants:
+			if currentcolor.lower() in color.lower():
+				iconcolor = color
+				break
 		else:
 			iconcolor = random.choice(self.icon_colvariants)
 		module_logger.debug("Icon Colour Variant: %s", iconcolor)
@@ -312,11 +314,14 @@ def prep_icon_theme(self, currentstate, currentcolor):
 			else:
 				icontheme = self.iconthemename
 
+		module_logger.debug("Icon Theme: %s, Colour Variant: %s" % (icontheme, iconcolor))
 		return icontheme
 
 	def prep_cursor_theme(self, currentcolor):
-		if currentcolor in self.cursor_colvariants:
-			cursrcolor = currentcolor
+		for color in self.cursor_colvariants:
+			if currentcolor.lower() in color.lower():
+				cursrcolor = color
+				break
 		else:
 			cursrcolor = random.choice(self.cursor_colvariants)
 		module_logger.debug("Cursor Colour Variant: %s", cursrcolor)