It's time to bring in the GUI.

Minimalist (not to say Brutalist) UI based on text windows and mouse chords. Experimental.
2018-07-14 12:45:52 -07:00
parent 691d604bf8
commit 862e0b07a8
7 changed files with 988 additions and 1 deletions
@@ -0,0 +1,91 @@
+# -*- coding: utf-8 -*-
+#
+#    Copyright © 2014, 2015 Simon Forman
+#
+#    This file is part of joy.py
+#
+#    joy.py is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation, either version 3 of the License, or
+#    (at your option) any later version.
+#
+#    joy.py is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with joy.py.  If not see <http://www.gnu.org/licenses/>.
+#
+from inspect import getdoc
+
+from joy.joy import run
+from joy.utils.stack import stack_to_string
+
+
+def is_numerical(s):
+  try:
+    float(s)
+  except ValueError:
+    return False
+  return True
+
+
+class World(object):
+
+  def __init__(self, stack=(), dictionary=None, text_widget=None):
+    self.stack = stack
+    self.dictionary = dictionary or {}
+    self.text_widget = text_widget
+
+  def do_lookup(self, name):
+    word = self.dictionary[name]
+    self.stack = word, self.stack
+    self.print_stack()
+
+  def do_opendoc(self, name):
+    if is_numerical(name):
+      print 'The number', name
+    else:
+      try:
+        word = self.dictionary[name]
+      except KeyError:
+        print repr(name), '???'
+      else:
+        print getdoc(word)
+    self.text_widget.see('end')
+
+  def pop(self):
+    if self.stack:
+      self.stack = self.stack[1]
+    self.print_stack()
+
+  def push(self, it):
+    it = it.encode('utf8')
+    self.stack = it, self.stack
+    self.print_stack()
+
+  def peek(self):
+    if self.stack:
+      return self.stack[0]
+
+  def interpret(self, command):
+    self.stack, _, self.dictionary = run(
+      command,
+      self.stack,
+      self.dictionary,
+      )
+    self.print_stack()
+
+  def has(self, name):
+    return self.dictionary.has_key(name)
+
+  def save(self):
+    pass
+
+  def print_stack(self):
+    stack_out_index = self.text_widget.search('<' 'STACK', 1.0)
+    if stack_out_index:
+      self.text_widget.see(stack_out_index)
+      s = stack_to_string(self.stack) + '\n'
+      self.text_widget.insert(stack_out_index, s)