Adding cache for emojis (for fast loading of icons)

Author: jonoomph

src/settings/_default.settings

@@ -38,6 +38,13 @@
     "category": "General",
     "setting": "unique_install_id"
   },
+  {
+    "value": "smileys-emotion",
+    "title": "",
+    "type": "hidden",
+    "category": "General",
+    "setting": "emoji_group_filter"
+  },
   {
     "max": 10000,
     "title": "Image Length (seconds)",

src/windows/models/emoji_model.py

@@ -35,6 +35,7 @@
 from classes import info
 from classes.logger import log
 from classes.app import get_app
+from classes.settings import get_settings
 
 import json
 
@@ -211,11 +212,20 @@ def update_model(self, clear=True):
                     self.model.appendRow(row)
                     self.model_paths[path] = path
 
+        # Get default emoji filter group
+        s = get_settings()
+        default_type = s.get('emoji_group_filter') or 'smileys-emotion'
+
         # Loop through emoji groups, and populate emoji filter drop-down
         get_app().window.emojiFilterGroup.clear()
         get_app().window.emojiFilterGroup.addItem(_("Show All"), "Show All")
+        dropdown_index = 1
         for emoji_type in sorted(emoji_groups.keys()):
             get_app().window.emojiFilterGroup.addItem(_(emoji_type.capitalize()), emoji_type)
+            if emoji_type == default_type:
+                # Initialize emoji filter group to settings
+                get_app().window.emojiFilterGroup.setCurrentIndex(dropdown_index)
+            dropdown_index += 1
 
     def __init__(self, *args):
 

src/windows/views/emojis_listview.py

@@ -26,14 +26,14 @@
  """
 
 import os
-from PyQt5.QtCore import QMimeData, QSize, QPoint, Qt, pyqtSlot, QSortFilterProxyModel, QRegExp
+from PyQt5.QtCore import QMimeData, QSize, QPoint, Qt, pyqtSlot, QRegExp
 from PyQt5.QtGui import *
-from PyQt5.QtWidgets import QListView, QMenu
+from PyQt5.QtWidgets import QListView
 
 import openshot  # Python module for libopenshot (required video editing module installed separately)
 from classes.query import File
 from classes.app import get_app
-from windows.models.emoji_model import EmojisModel, EmojiFilterProxyModel
+from classes.settings import get_settings
 from classes.logger import log
 import json
 
@@ -113,6 +113,13 @@ def add_file(self, filepath):
     def filter_changed(self):
         self.refresh_view()
 
+        # Save current emoji filter to settings
+        s = get_settings()
+        setting_emoji_group = s.get('emoji_group_filter') or 'smileys-emotion'
+        current_emoji_group = get_app().window.emojiFilterGroup.currentData()
+        if setting_emoji_group != current_emoji_group:
+            s.set('emoji_group_filter', current_emoji_group)
+
     def refresh_view(self):
         """Filter transitions with proxy class"""
         filter_text = self.win.emojisFilter.text()
@@ -147,6 +154,7 @@ def __init__(self, model):
 
         # Load initial emoji model data
         self.emojis_model.update_model()
+        self.refresh_view()
 
         # setup filter events
         app = get_app()