IDEA-164993 Support for macOS special character (emoji) insertion popover

platform/platform-impl/src/com/intellij/ide/actions/MacEmojiAndSymbolsInputAction.java

@@ -0,0 +1,41 @@
+/*
+ * Copyright 2000-2017 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.intellij.ide.actions;
+
+import com.intellij.openapi.actionSystem.AnAction;
+import com.intellij.openapi.actionSystem.AnActionEvent;
+import com.intellij.openapi.actionSystem.Presentation;
+import com.intellij.openapi.util.SystemInfo;
+import com.intellij.ui.mac.foundation.Foundation;
+import com.intellij.ui.mac.foundation.ID;
+
+public class MacEmojiAndSymbolsInputAction extends AnAction {
+  @Override
+  public void update(AnActionEvent e) {
+    Presentation presentation = e.getPresentation();
+    presentation.setEnabledAndVisible(SystemInfo.isMac);
+    presentation.setText("Emoji & Symbols", false);
+  }
+
+  @Override
+  public void actionPerformed(AnActionEvent e) {
+    if (!SystemInfo.isMac) return;
+    Foundation.executeOnMainThread(false, false, () -> {
+      ID app = Foundation.invoke("NSApplication", "sharedApplication");
+      Foundation.invoke(app, "orderFrontCharacterPalette:", (Object)null);
+    });
+  }
+}

platform/platform-resources-en/src/messages/ActionsBundle.properties

@@ -1575,4 +1575,6 @@ action.TabsPlacementNone.text=None
 action.ToggleDistractionFreeMode.enter=Enter Distraction Free Mode
 action.ToggleDistractionFreeMode.exit=Exit Distraction Free Mode
 action.TogglePresentationMode.exit=Exit Presentation Mode
-action.TogglePresentationMode.enter=Enter Presentation Mode
+action.TogglePresentationMode.enter=Enter Presentation Mode
+
+action.EmojiAndSymbols.description=Input special characters using macOS system palette

platform/platform-resources/src/idea/PlatformActions.xml

@@ -336,6 +336,8 @@
           </group>
         </group>
         <reference ref="TemplateParametersNavigation"/>
+        <separator/>
+        <action id="EmojiAndSymbols" class="com.intellij.ide.actions.MacEmojiAndSymbolsInputAction"/>
       </group>
 
       <!-- View -->

platform/platform-resources/src/keymaps/Mac OS X 10.5+.xml

@@ -589,4 +589,8 @@
   <action id="EditorMatchBrace">
     <keyboard-shortcut first-keystroke="control M" replace-all="true"/>
   </action>
+
+  <action id="EmojiAndSymbols">
+    <keyboard-shortcut first-keystroke="control meta SPACE"/>
+  </action>
 </keymap>

platform/platform-resources/src/keymaps/Mac OS X.xml

@@ -385,4 +385,8 @@
     <keyboard-shortcut first-keystroke="meta alt MULTIPLY" second-keystroke="5"/>
     <keyboard-shortcut first-keystroke="meta alt MULTIPLY" second-keystroke="NUMPAD5"/>
   </action>
+
+  <action id="EmojiAndSymbols">
+    <keyboard-shortcut first-keystroke="control meta SPACE"/>
+  </action>
 </keymap>