[polari/wip/fmuellner/emoji-picker: 2/3] entryArea: Include emoji picker

[Florian Müllner <fmuellner src gnome org>]

commit f802ed14f4ac088700aba78bc1aa57e0eea12b66
Author: Florian Müllner <fmuellner gnome org>
Date:   Tue Aug 8 03:46:54 2017 +0200

    entryArea: Include emoji picker
    
    Now that the platform supports color emoji, expose the newly added
    picker as secondary icon in the entry area to make it easy to insert
    emojis.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=755579

 data/resources/entry-area.ui |    1 +
 src/entryArea.js             |   25 +++++++++++++++++++++++++
 2 files changed, 26 insertions(+), 0 deletions(-)
---
diff --git a/data/resources/entry-area.ui b/data/resources/entry-area.ui
index 475803b..9de1d43 100644
--- a/data/resources/entry-area.ui
+++ b/data/resources/entry-area.ui
@@ -84,6 +84,7 @@
           <object class="Gjs_ChatEntry" id="chatEntry">
             <property name="visible">True</property>
             <property name="hexpand">True</property>
+            <property name="secondary-icon-name">face-smile-symbolic</property>
           </object>
         </child>
       </object>
diff --git a/src/entryArea.js b/src/entryArea.js
index e078bde..c4feea0 100644
--- a/src/entryArea.js
+++ b/src/entryArea.js
@@ -7,6 +7,7 @@ const Gspell = imports.gi.Gspell;
 const Gtk = imports.gi.Gtk;
 
 const ChatView = imports.chatView;
+const EmojiPicker = imports.emojiPicker;
 const IrcParser = imports.ircParser;
 const Lang = imports.lang;
 const Mainloop = imports.mainloop;
@@ -36,6 +37,10 @@ var ChatEntry = new Lang.Class({
 
         PasteManager.DropTargetIface.addTargets(this, this);
 
+        this._emojiPicker = null;
+
+        this.connect('icon-press', Lang.bind(this, this._showEmojiPicker));
+
         if (!_checker)
             _checker = new Gspell.Checker();
 
@@ -48,6 +53,26 @@ var ChatEntry = new Lang.Class({
         this._useDefaultHandler = false;
     },
 
+    _showEmojiPicker: function() {
+        if (!this.is_sensitive() || !this.get_mapped())
+            return;
+
+        if (!this._emojiPicker) {
+            this._emojiPicker = new EmojiPicker.EmojiPicker();
+            this._emojiPicker.connect('emoji-picked', (w, emoji) => {
+                this.delete_selection();
+                let pos = this.insert_text(emoji, -1, this.get_position());
+                this.set_position(pos);
+                this.grab_focus_without_selecting();
+            });
+        }
+
+        let rect = this.get_icon_area(Gtk.EntryIconPosition.SECONDARY);
+        this._emojiPicker.set_relative_to(this);
+        this._emojiPicker.set_pointing_to(rect);
+        this._emojiPicker.popup();
+    },
+
     get can_drop() {
         return true;
     },