✨ Support more mouse related actions

lib/screens/chat.dart

@@ -47,16 +47,19 @@ class ChatListShell extends StatelessWidget {
         direction: Axis.horizontal,
         divider: ResizableDivider(
           thickness: 0.3,
-          color: Theme.of(context).dividerColor,
+          color: Theme.of(context).dividerColor.withOpacity(0.3),
         ),
         children: [
           const ResizableChild(
             minSize: 280,
             maxSize: 520,
-            size: ResizableSize.pixels(320),
+            size: ResizableSize.pixels(360),
             child: ChatList(),
           ),
-          ResizableChild(child: child ?? const EmptyPagePlaceholder()),
+          ResizableChild(
+            minSize: 280,
+            child: child ?? const EmptyPagePlaceholder(),
+          ),
         ],
       ),
     );

lib/widgets/chat/chat_event_list.dart

@@ -1,3 +1,4 @@
+import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_animate/flutter_animate.dart';
 import 'package:get/get.dart';
@@ -34,6 +35,24 @@ class ChatEventList extends StatelessWidget {
     return a.createdAt.difference(b.createdAt).inMinutes <= 3;
   }
 
+  void _openActions(BuildContext context, Event item) {
+    showModalBottomSheet(
+      useRootNavigator: true,
+      context: context,
+      builder: (context) => ChatEventAction(
+        channel: channel,
+        realm: channel.realm,
+        item: item,
+        onEdit: () {
+          onEdit(item);
+        },
+        onReply: () {
+          onReply(item);
+        },
+      ),
+    );
+  }
+
   @override
   Widget build(BuildContext context) {
     return CustomScrollView(
@@ -65,50 +84,45 @@ class ChatEventList extends StatelessWidget {
 
               final item = chatController.currentEvents[index].data;
 
-              return GestureDetector(
-                behavior: HitTestBehavior.opaque,
-                child: Builder(builder: (context) {
-                  final widget = ChatEvent(
-                    key: Key('m${item!.uuid}'),
-                    item: item,
-                    isMerged: isMerged,
-                    chatController: chatController,
-                  ).paddingOnly(
-                    top: !isMerged ? 8 : 0,
-                    bottom: !hasMerged ? 8 : 0,
-                  );
+              return TapRegion(
+                child: GestureDetector(
+                  behavior: HitTestBehavior.opaque,
+                  child: Builder(builder: (context) {
+                    final widget = ChatEvent(
+                      key: Key('m${item!.uuid}'),
+                      item: item,
+                      isMerged: isMerged,
+                      chatController: chatController,
+                    ).paddingOnly(
+                      top: !isMerged ? 8 : 0,
+                      bottom: !hasMerged ? 8 : 0,
+                    );
 
-                  if (noAnimated) {
-                    return widget;
-                  } else {
-                    return widget
-                        .animate(
-                          key: Key('animated-m${item.uuid}'),
-                        )
-                        .slideY(
-                          curve: Curves.fastLinearToSlowEaseIn,
-                          duration: 250.ms,
-                          begin: 0.5,
-                          end: 0,
-                        );
+                    if (noAnimated) {
+                      return widget;
+                    } else {
+                      return widget
+                          .animate(
+                            key: Key('animated-m${item.uuid}'),
+                          )
+                          .slideY(
+                            curve: Curves.fastLinearToSlowEaseIn,
+                            duration: 250.ms,
+                            begin: 0.5,
+                            end: 0,
+                          );
+                    }
+                  }),
+                  onLongPress: () {
+                    _openActions(context, item!);
+                  },
+                ),
+                onTapInside: (event) {
+                  if (event.buttons == kSecondaryMouseButton) {
+                    _openActions(context, item!);
+                  } else if (event.buttons == kMiddleMouseButton) {
+                    onReply(item!);
                   }
-                }),
-                onLongPress: () {
-                  showModalBottomSheet(
-                    useRootNavigator: true,
-                    context: context,
-                    builder: (context) => ChatEventAction(
-                      channel: channel,
-                      realm: channel.realm,
-                      item: item!,
-                      onEdit: () {
-                        onEdit(item);
-                      },
-                      onReply: () {
-                        onReply(item);
-                      },
-                    ),
-                  );
                 },
               );
             },

lib/widgets/posts/post_action.dart

@@ -91,17 +91,21 @@ class _PostActionState extends State<PostAction> {
 
     setState(() => _isBusy = true);
 
+    final double width = hasMultipleAttachment ? 640 : 480;
+
     final screenshot = ScreenshotController();
     final image = await screenshot.captureFromLongWidget(
       MediaQuery(
-        data: MediaQuery.of(context),
+        data: MediaQuery.of(context).copyWith(
+          size: Size(width, double.infinity),
+        ),
         child: PostShareImage(item: widget.item),
       ),
       context: context,
       pixelRatio: 2,
       constraints: BoxConstraints(
         minWidth: 480,
-        maxWidth: hasMultipleAttachment ? 640 : 480,
+        maxWidth: width,
         minHeight: 640,
         maxHeight: double.infinity,
       ),