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Display only emojis the font supports 

Fixes #9299
This commit is contained in:
Philipp Hörist 2018-08-20 19:18:07 +02:00
parent e8526bb063
commit 2e47f93214
2 changed files with 62 additions and 28 deletions
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6
gajim/common/helpers.py
View File

@ -1478,11 +1478,7 @@ def version_condition(current_version, required_version):
return True
def get_available_emoticon_themes():
emoticons_themes = []
if sys.platform not in ('win32', 'darwin'):
# Colored emoji fonts only supported on Linux
emoticons_themes.append('font')
emoticons_themes = ['font']
files = []
dir_iterator = os.scandir(configpaths.get('EMOTICONS'))
for folder in dir_iterator:

80
gajim/gtk/emoji_chooser.py
View File

@ -21,6 +21,7 @@ from collections import OrderedDict
from gi.repository import Gtk
from gi.repository import GLib
from gi.repository import GdkPixbuf
from gi.repository import Pango
from gajim.common import app
from gajim.common import helpers
@ -38,8 +39,9 @@ log = logging.getLogger('gajim.emoji')
class Section(Gtk.Box):
def __init__(self, name, search_entry, press_cb):
def __init__(self, name, search_entry, press_cb, chooser):
Gtk.Box.__init__(self, orientation=Gtk.Orientation.VERTICAL)
self._chooser = chooser
self._press_cb = press_cb
self.pixbuf_generator = None
self.heading = Gtk.Label(label=name)
@ -83,22 +85,44 @@ class Section(Gtk.Box):
emoji_pixbufs[codepoint] = pixbuf
else:
if pixbuf is not None:
chooser = self._get_emoji_modifier(
codepoint, pixbuf, attrs)
chooser = ModifierChooser()
# Iterate over the variations and add the codepoints
for codepoint_ in variations.keys():
pixbuf_ = self._get_next_pixbuf()
if pixbuf_ is None:
continue
if pixbuf_ == 'font':
if not self._chooser._font_supports_codepoint(
codepoint_):
continue
else:
emoji_pixbufs[codepoint_] = pixbuf_
# Only codepoints are added which the
# font or theme supports
chooser.add_emoji(codepoint_, pixbuf_)
# Check if we successfully added codepoints with modifiers
if chooser.has_child:
# If we have children then add a button
# and set the popover
child = EmojiModifierChild(
codepoint, pixbuf, attrs['desc'])
child.button.set_popover(chooser)
chooser.flowbox.connect(
'child-activated', self._press_cb)
else:
# If no children were added, destroy the chooser
# and add a EmojiChild instead of a EmojiModifierChild
chooser.destroy()
child = EmojiChild(codepoint, pixbuf, attrs['desc'])
if pixbuf != 'font':
emoji_pixbufs[codepoint] = pixbuf
for codepoint, attrs in variations.items():
pixbuf = self._get_next_pixbuf()
if pixbuf is None:
continue
chooser.add_emoji(codepoint, pixbuf)
if pixbuf != 'font':
emoji_pixbufs[codepoint] = pixbuf
self.flowbox.add(child)
else:
# We dont have a image for the base codepoint
# so skip all modifiers of it
@ -112,13 +136,6 @@ class Section(Gtk.Box):
emoji.destroy()
self.flowbox.foreach(_remove_emoji)
def _get_emoji_modifier(self, codepoint, pixbuf, attrs):
chooser = ModifierChooser()
modifier_button = EmojiModifierChild(codepoint, pixbuf, attrs['desc'])
modifier_button.button.set_popover(chooser)
self.flowbox.add(modifier_button)
return chooser
def _get_next_pixbuf(self):
if self.pixbuf_generator is None:
return 'font'
@ -193,6 +210,7 @@ class ModifierChooser(Gtk.Popover):
def __init__(self):
Gtk.Popover.__init__(self)
self.set_name('EmoticonPopover')
self._has_child = False
self.flowbox = Gtk.FlowBox()
self.flowbox.get_style_context().add_class(
@ -202,8 +220,13 @@ class ModifierChooser(Gtk.Popover):
self.flowbox.show()
self.add(self.flowbox)
@property
def has_child(self):
return self._has_child
def add_emoji(self, codepoint, pixbuf):
self.flowbox.add(EmojiChild(codepoint, pixbuf, None))
self._has_child = True
class EmojiChooser(Gtk.Popover):
@ -224,6 +247,7 @@ class EmojiChooser(Gtk.Popover):
self.set_name('EmoticonPopover')
self._text_widget = None
self._load_source_id = None
self._pango_layout = Pango.Layout(self.get_pango_context())
self._builder = get_builder('emoji_chooser.ui')
self._search = self._builder.get_object('search')
@ -232,7 +256,7 @@ class EmojiChooser(Gtk.Popover):
self._sections = OrderedDict()
for name in self._section_names:
self._sections[name] = Section(
name, self._search, self._on_emoticon_press)
name, self._search, self._on_emoticon_press, self)
section_box = self._builder.get_object('section_box')
for section in self._sections.values():
@ -326,21 +350,35 @@ class EmojiChooser(Gtk.Popover):
self._clear_sections()
emoji_pixbufs.clear()
factory = self._emoji_factory()
factory = self._emoji_factory(theme == 'font')
self._load_source_id = GLib.idle_add(lambda: next(factory, False),
priority=GLib.PRIORITY_LOW)
def _emoji_factory(self):
def _emoji_factory(self, font):
for codepoint, attrs in emoji_data.items():
if not attrs['fully-qualified']:
# We dont add these to the UI
continue
if font and not self._font_supports_codepoint(codepoint):
continue
section = self._sections[attrs['group']]
yield section.add_emoji(codepoint, attrs)
self._load_source_id = None
emoji_pixbufs.complete = True
def _font_supports_codepoint(self, codepoint):
self._pango_layout.set_text(codepoint, -1)
if self._pango_layout.get_unknown_glyphs_count():
return False
if len(codepoint) > 1:
# The font supports each of the codepoints
# Check if the rendered glyph is more than one char
if self._pango_layout.get_size()[0] > 19000:
return False
return True
def _get_next_pixbuf(self, path):
src_x = src_y = cur_column = 0
atlas = GdkPixbuf.Pixbuf.new_from_file(path)