macOS: Use the native emoji picker

fixes #79

CMakeLists.txt

@@ -376,8 +376,8 @@ else()
 endif()
 
 if (APPLE)
-    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -framework Foundation")
-    set(SRC_FILES ${SRC_FILES} src/notifications/ManagerMac.mm)
+    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -framework Foundation -framework Cocoa")
+    set(SRC_FILES ${SRC_FILES} src/notifications/ManagerMac.mm src/emoji/MacHelper.mm)
 elseif (WIN32)
     file(DOWNLOAD
          "https://raw.githubusercontent.com/mohabouje/WinToast/41ed1c58d5dce0ee9c01dbdeac05be45358d4f57/src/wintoastlib.cpp"

src/TextInputWidget.cpp

@@ -37,6 +37,10 @@
 #include "ui/FlatButton.h"
 #include "ui/LoadingIndicator.h"
 
+#if defined(Q_OS_MAC)
+#include "emoji/MacHelper.h"
+#endif
+
 static constexpr size_t INPUT_HISTORY_SIZE = 127;
 static constexpr int MAX_TEXTINPUT_HEIGHT  = 120;
 static constexpr int InputHeight           = 26;
@@ -124,6 +128,12 @@ FilteredTextEdit::keyPressEvent(QKeyEvent *event)
 {
         const bool isModifier = (event->modifiers() != Qt::NoModifier);
 
+#if defined(Q_OS_MAC)
+        if (event->modifiers() == (Qt::ControlModifier | Qt::MetaModifier) &&
+            event->key() == Qt::Key_Space)
+                MacHelper::showEmojiWindow();
+#endif
+
         if (!isModifier) {
                 if (!typingTimer_->isActive())
                         emit startedTyping();
@@ -503,6 +513,11 @@ TextInputWidget::TextInputWidget(QWidget *parent)
         emojiBtn_ = new emoji::PickButton(this);
         emojiBtn_->setToolTip(tr("Emoji"));
 
+#if defined(Q_OS_MAC)
+        // macOS has a native emoji picker.
+        emojiBtn_->hide();
+#endif
+
         QIcon emoji_icon;
         emoji_icon.addFile(":/icons/icons/ui/smile.png");
         emojiBtn_->setIcon(emoji_icon);

src/emoji/MacHelper.h

+#pragma once
+
+#include <QMenuBar>
+
+class MacHelper
+{
+public:
+        static void showEmojiWindow();
+        static void initializeMenus();
+};

src/emoji/MacHelper.mm

+#include "MacHelper.h"
+
+#include <Cocoa/Cocoa.h>
+#include <Foundation/Foundation.h>
+#include <Foundation/NSString.h>
+#include <QCoreApplication>
+
+void
+MacHelper::showEmojiWindow()
+{
+        NSApplication *theNSApplication = [NSApplication sharedApplication];
+        [theNSApplication orderFrontCharacterPalette:nil];
+}
+
+void
+MacHelper::initializeMenus()
+{
+        NSApplication *theNSApplication = [NSApplication sharedApplication];
+
+        NSArray<NSMenuItem *> *menus = [theNSApplication mainMenu].itemArray;
+        NSUInteger size              = menus.count;
+        for (NSUInteger i = 0; i < size; i++) {
+                NSMenuItem *item = [menus objectAtIndex:i];
+                [item setTitle:@"Edit"];
+        }
+}

src/main.cpp

@@ -38,6 +38,10 @@
 #include "Utils.h"
 #include "version.h"
 
+#if defined(Q_OS_MAC)
+#include "emoji/MacHelper.h"
+#endif
+
 #if defined(Q_OS_LINUX)
 #include <boost/stacktrace.hpp>
 #include <signal.h>
@@ -186,6 +190,12 @@ main(int argc, char *argv[])
                 }
         });
 
+#if defined(Q_OS_MAC)
+        // Temporary solution for the emoji picker until
+        // nheko has a proper menu bar with more functionality.
+        MacHelper::initializeMenus();
+#endif
+
         nhlog::ui()->info("starting nheko {}", nheko::version);
 
         return app.exec();