From afe7a530092720a4cd85a3ab28e74c35dd320eac Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michael=20Stra=C3=9Fburger?= <codepoet@cpan.org>
Date: Sat, 1 Oct 2016 21:05:16 +0200
Subject: [PATCH] :left_right_arrow: adding config for used input/output stream

---
 README.md           |  2 +-
 src/Canvas.coffee   |  4 ++--
 src/Renderer.coffee |  9 ++++-----
 src/Termap.coffee   | 34 +++++++++++++++++++++-------------
 4 files changed, 28 insertions(+), 21 deletions(-)

diff --git a/README.md b/README.md
index 1338caf..e31f441 100644
--- a/README.md
+++ b/README.md
@@ -69,7 +69,7 @@ No web browser around? No worries - discover the planet in your console!
     * [ ] calculate tile areas
     * [ ] center based on mercator
     * [x] handle console resize
-* [x] handle console resize
+  * [x] handle console resize
   * [ ] mouse control
     * [x] accurate mouse drag&drop with instant update
     * [x] hover POIs/labels
diff --git a/src/Canvas.coffee b/src/Canvas.coffee
index 4e3e5ac..6ff6f0b 100644
--- a/src/Canvas.coffee
+++ b/src/Canvas.coffee
@@ -31,8 +31,8 @@ module.exports = class Canvas
   reset: ->
     @matrix = mat2d.create()
 
-  print: ->
-    process.stdout.write @buffer.frame()
+  frame: ->
+    @buffer.frame()
 
   translate: (x, y) ->
     mat2d.translate @matrix, @matrix, vec2.fromValues(x, y)
diff --git a/src/Renderer.coffee b/src/Renderer.coffee
index d8cab35..56dc7fd 100644
--- a/src/Renderer.coffee
+++ b/src/Renderer.coffee
@@ -23,6 +23,7 @@ module.exports = class Renderer
     drawOrder: [
       "admin"
       "building"
+
       "road"
       "water"
       "road:structure=bridge"
@@ -65,7 +66,7 @@ module.exports = class Renderer
 
   labelBuffer: null
 
-  constructor: ->
+  constructor: (@output) ->
     @labelBuffer = new LabelBuffer()
 
   loadStyleFile: (file) ->
@@ -83,7 +84,6 @@ module.exports = class Renderer
 
     @labelBuffer.clear()
 
-    # TODO: better way for background color instead of setting filling FG?
     if color = @styler.styleById['background']?.paint['background-color']
       @canvas.setBackground x256 utils.hex2rgb color
 
@@ -93,15 +93,14 @@ module.exports = class Renderer
     @canvas.translate @view[0], @view[1]
     @_drawLayers()
 
-    process.stdout.cursorTo 0, 0
-    @canvas.print()
+    @output.write "\x1B[?6h"
+    @output.write @canvas.frame()
 
     @isDrawing = false
 
   featuresAt: (x, y) ->
     @labelBuffer.featuresAt x, y
 
-
   _write: (output) ->
     process.stdout.write output
 
diff --git a/src/Termap.coffee b/src/Termap.coffee
index fdb6019..eda45ed 100644
--- a/src/Termap.coffee
+++ b/src/Termap.coffee
@@ -15,6 +15,9 @@ utils = require './utils'
 
 module.exports = class Termap
   config:
+    input: process.stdin
+    output: process.stdout
+
     styleFile: __dirname+"/../styles/bright.json"
     zoomStep: 0.4
 
@@ -34,18 +37,23 @@ module.exports = class Termap
   zoom: 0
   view: [0, 0]
 
-  constructor: ->
-    @_initControls()
+  constructor: (options) ->
+    @config[key] = val for key, val of options
+
+    @_initKeyboard()
+    @_initMouse()
+
     @_initRenderer()
 
-  _initControls: ->
-    keypress process.stdin
-    process.stdin.setRawMode true
-    process.stdin.resume()
+  _initKeyboard: ->
+    keypress @config.input
+    @config.input.setRawMode true
+    @config.input.resume()
 
-    process.stdin.on 'keypress', (ch, key) => @_onKey key
+    @config.input.on 'keypress', (ch, key) => @_onKey key
 
-    @mouse = TermMouse()
+  _initMouse: ->
+    @mouse = TermMouse input: @config.input, output: @config.output
     @mouse.start()
 
     @mouse.on 'click', (event) => @_onClick event
@@ -53,10 +61,10 @@ module.exports = class Termap
     @mouse.on 'move', (event) => @_onMouseMove event
 
   _initRenderer: ->
-    @renderer = new Renderer()
+    @renderer = new Renderer @config.output
     @renderer.loadStyleFile @config.styleFile
 
-    process.stdout.on 'resize', =>
+    @config.output.on 'resize', =>
       @_resizeRenderer()
       @_draw()
 
@@ -64,8 +72,8 @@ module.exports = class Termap
     @zoom = Math.log(4096/@width)/Math.LN2
 
   _resizeRenderer: (cb) ->
-    @width = process.stdout.columns >> 1 << 2
-    @height = process.stdout.rows * 4 - 4
+    @width = @config.output.columns >> 1 << 2
+    @height = @config.output.rows * 4 - 4
 
     @renderer.setSize @width, @height
 
@@ -84,7 +92,7 @@ module.exports = class Termap
 
   _onMouseMove: (event) ->
     # only continue if x/y are valid
-    return unless event.x <= process.stdout.columns and event.y <= process.stdout.rows
+    return unless event.x <= @config.output.columns and event.y <= @config.output.rows
 
     # start dragging
     if event.button is "left"