Add full emoji support

scripts/emoji_codegen.py

@@ -0,0 +1,89 @@
+#!/usr/bin/env python3
+
+import sys
+import json
+
+from jinja2 import Template
+
+
+class Emoji(object):
+    def __init__(self, code, shortname, category, order):
+        self.code = ''.join(list(map(code_to_bytes, code.split('-'))))
+        self.shortname = shortname
+        self.category = category
+        self.order = int(order)
+
+
+def code_to_bytes(codepoint):
+    '''
+    Convert hex unicode codepoint to hex byte array.
+    '''
+    bytes = chr(int(codepoint, 16)).encode('utf-8')
+
+    return str(bytes)[1:].strip("'")
+
+
+def generate_code(emojis, category):
+    tmpl = Template('''
+const QList<Emoji> EmojiProvider::{{ category }} = {
+    {%- for e in emoji %}
+        Emoji{QString::fromUtf8("{{ e.code }}"), "{{ e.shortname }}"},
+    {%- endfor %}
+};
+    ''')
+
+    d = dict(category=category, emoji=emojis)
+    print(tmpl.render(d))
+
+
+if __name__ == '__main__':
+    if len(sys.argv) < 2:
+        print('usage: emoji_codegen.py /path/to/emoji.json')
+        sys.exit(1)
+
+    filename = sys.argv[1]
+    data = {}
+
+    with open(filename, 'r') as filename:
+        data = json.loads(filename.read())
+
+    emojis = []
+
+    for emoji_name in data:
+        tmp = data[emoji_name]
+
+        l = len(tmp['unicode'].split('-'))
+
+        if l > 1 and tmp['category'] == 'people':
+            continue
+
+        emojis.append(
+            Emoji(
+                tmp['unicode'],
+                tmp['shortname'],
+                tmp['category'],
+                tmp['emoji_order']
+            )
+        )
+
+    emojis.sort(key=lambda x: x.order)
+
+    people = list(filter(lambda x: x.category == "people", emojis))
+    nature = list(filter(lambda x: x.category == "nature", emojis))
+    food = list(filter(lambda x: x.category == "food", emojis))
+    activity = list(filter(lambda x: x.category == "activity", emojis))
+    travel = list(filter(lambda x: x.category == "travel", emojis))
+    objects = list(filter(lambda x: x.category == "objects", emojis))
+    symbols = list(filter(lambda x: x.category == "symbols", emojis))
+    flags = list(filter(lambda x: x.category == "flags", emojis))
+
+    # Use xclip to pipe the output to clipboard.
+    # e.g ./codegen.py emoji.json | xclip -sel clip
+    generate_code(people, 'people')
+    generate_code(nature, 'nature')
+    generate_code(food, 'food')
+    generate_code(activity, 'activity')
+    generate_code(travel, 'travel')
+    generate_code(objects, 'objects')
+    generate_code(symbols, 'symbols')
+    generate_code(flags, 'flags')