From 91bf82171a3fc7f052f7f18885b0aea2c345d572 Mon Sep 17 00:00:00 2001
From: Paul Sokolovsky <pfalcon@users.sourceforge.net>
Date: Sat, 18 Feb 2017 00:12:39 +0300
Subject: [PATCH] editorext: Add CharColorViewer widget.

Viewer with color support, (echo line may consist of spans
of different colors).
---
 picotui/editorext.py | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/picotui/editorext.py b/picotui/editorext.py
index 982d51d..e0178da 100644
--- a/picotui/editorext.py
+++ b/picotui/editorext.py
@@ -70,6 +70,29 @@ def set_line_colors(self, default_color, color_list={}):
         self.is_dict_color = isinstance(color_list, dict)
 
 
+# Viewer with color support, (echo line may consist of spans
+# of different colors)
+class CharColorViewer(Viewer):
+
+    def show_line(self, l, i):
+        # TODO: handle self.margin, self.width
+        length = 0
+        for span in l:
+            if isinstance(span, tuple):
+                span, c = span
+            else:
+                c = self.def_c
+            self.attr_color(c)
+            self.wr(span)
+            length += len(span)
+        self.attr_color(self.def_c)
+        self.clear_num_pos(self.width - length)
+        self.attr_reset()
+
+    def set_def_color(self, default_color):
+        self.def_c = default_color
+
+
 class EditorExt(Editor):
 
     screen_width = 80