From 0ef5a9e41ec7c2dee37678dffc6801e394e41dcc Mon Sep 17 00:00:00 2001
From: Ivan Habunek <ivan@habunek.com>
Date: Thu, 4 Jan 2018 12:36:14 +0100
Subject: [PATCH] Dynamically size the status list window

This makes toot more usable on narrow screens. Still requires 60
columns minimum.

fixes #26
---
 toot/app.py   | 18 ++++++++++++------
 toot/utils.py |  8 ++++++++
 2 files changed, 20 insertions(+), 6 deletions(-)

diff --git a/toot/app.py b/toot/app.py
index a0e6edb..a6ffed1 100644
--- a/toot/app.py
+++ b/toot/app.py
@@ -5,7 +5,7 @@ import webbrowser
 from textwrap import wrap
 
 from toot.exceptions import ConsoleError
-from toot.utils import format_content
+from toot.utils import format_content, trunc
 
 # Attempt to load curses, which is not available on windows
 try:
@@ -60,7 +60,10 @@ class TimelineApp:
     def setup_windows(self):
         screen_height, screen_width = self.stdscr.getmaxyx()
 
-        self.left_width = 60
+        if screen_width < 60:
+            raise ConsoleError("Terminal screen is too narrow, toot curses requires at least 60 columns to display properly.")
+
+        self.left_width = max(min(screen_width // 3, 60), 30)
         self.right_width = screen_width - self.left_width
 
         self.top = curses.newwin(2, screen_width, 0, 0)
@@ -150,7 +153,7 @@ class TimelineApp:
         self.draw_usage(self.bottom)
 
         screen_height, screen_width = self.stdscr.getmaxyx()
-        self.left.refresh(0, 0, 2, 0, screen_height - 4, self.left_width)
+        self.left.refresh(0, 0, 2, 0, screen_height - 3, self.left_width)
 
         self.right.refresh()
         self.top.refresh()
@@ -175,16 +178,19 @@ class TimelineApp:
             return self.statuses[self.selected]
 
     def draw_status_row(self, window, status, offset, highlight=False):
-        width = window.getmaxyx()[1]
+        height, width = window.getmaxyx()
         color = Color.blue() if highlight else 0
 
         date, time = status['created_at']
         window.addstr(offset + 2, 2, date, color)
         window.addstr(offset + 3, 2, time, color)
 
-        window.addstr(offset + 2, 15, status['account']['acct'], color)
-        window.addstr(offset + 3, 15, status['account']['display_name'], color)
+        trunc_width = width - 16
+        acct = trunc(status['account']['acct'], trunc_width)
+        display_name = trunc(status['account']['display_name'], trunc_width)
 
+        window.addstr(offset + 2, 14, acct, color)
+        window.addstr(offset + 3, 14, display_name, color)
         window.addstr(offset + 4, 1, '─' * (width - 2))
 
         screen_height, screen_width = self.stdscr.getmaxyx()
diff --git a/toot/utils.py b/toot/utils.py
index 55f9724..b7ae649 100644
--- a/toot/utils.py
+++ b/toot/utils.py
@@ -57,3 +57,11 @@ def domain_exists(name):
 def assert_domain_exists(domain):
     if not domain_exists(domain):
         raise ConsoleError("Domain {} not found".format(domain))
+
+
+def trunc(text, length):
+    """Trims text to given length, if trimmed appends ellipsis."""
+    if len(text) <= length:
+        return text
+
+    return text[:length - 1] + '…'