[windows] Add isResizable, setResizable Methods

Author: lijy91

CHANGELOG.md

@@ -1,5 +1,7 @@
 ## 0.1.0
 
+- Implemented `isResizable`, `setResizable` Methods.
+- Implemented `isClosable`, `setClosable` Methods.
 - Removed `terminate` Method.
 
 ## 0.0.5

README.md

@@ -283,8 +283,8 @@ class MainFlutterWindow: NSWindow {
 | `setSize`        | Resizes the window to `width` and `height`.                                                                | ✔️     | ✔️     | ✔️       |
 | `setMinimumSize` | Sets the minimum size of window to `width` and `height`.                                                   | ✔️     | ✔️     | ✔️       |
 | `setMaximumSize` | Sets the maximum size of window to `width` and `height`.                                                   | ✔️     | ✔️     | ✔️       |
-| `isResizable`    | Returns `bool` - Whether the window can be manually resized by the user.                                   | ✔️     | ✔️     | ➖       |
-| `setResizable`   | Sets whether the window can be manually resized by the user.                                               | ✔️     | ✔️     | ➖       |
+| `isResizable`    | Returns `bool` - Whether the window can be manually resized by the user.                                   | ✔️     | ✔️     | ✔️       |
+| `setResizable`   | Sets whether the window can be manually resized by the user.                                               | ✔️     | ✔️     | ✔️       |
 | `isMovable`      | Returns `bool` - Whether the window can be moved by user. On Linux always returns `true`.                  | ➖     | ✔️     | ➖       |
 | `setMovable`     | Sets whether the window can be moved by user. On Linux does nothing.                                       | ➖     | ✔️     | ➖       |
 | `isMinimizable`  | Returns `bool` - Whether the window can be manually minimized by the user. On Linux always returns `true`. | ➖     | ✔️     | ✔️       |

windows/window_manager.cpp

@@ -65,6 +65,8 @@ class WindowManager
     void WindowManager::SetSize(const flutter::EncodableMap &args);
     void WindowManager::SetMinimumSize(const flutter::EncodableMap &args);
     void WindowManager::SetMaximumSize(const flutter::EncodableMap &args);
+    bool WindowManager::IsResizable();
+    void WindowManager::SetResizable(const flutter::EncodableMap &args);
     bool WindowManager::IsMinimizable();
     void WindowManager::SetMinimizable(const flutter::EncodableMap &args);
     bool WindowManager::IsClosable();
@@ -391,16 +393,20 @@ void WindowManager::SetMaximumSize(const flutter::EncodableMap &args)
     }
 }
 
-bool WindowManager::IsAlwaysOnTop()
+bool WindowManager::IsResizable()
 {
-    DWORD dwExStyle = GetWindowLong(GetMainWindow(), GWL_EXSTYLE);
-    return (dwExStyle & WS_EX_TOPMOST) != 0;
+    HWND hWnd = GetMainWindow();
+    DWORD gwlStyle = GetWindowLong(hWnd, GWL_STYLE);
+    return (gwlStyle & WS_THICKFRAME) != 0;
 }
 
-void WindowManager::SetAlwaysOnTop(const flutter::EncodableMap &args)
+void WindowManager::SetResizable(const flutter::EncodableMap &args)
 {
-    bool isAlwaysOnTop = std::get<bool>(args.at(flutter::EncodableValue("isAlwaysOnTop")));
-    SetWindowPos(GetMainWindow(), isAlwaysOnTop ? HWND_TOPMOST : HWND_NOTOPMOST, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE);
+    HWND hWnd = GetMainWindow();
+    bool isResizable = std::get<bool>(args.at(flutter::EncodableValue("isResizable")));
+    DWORD gwlStyle = GetWindowLong(hWnd, GWL_STYLE);
+    gwlStyle = isResizable ? gwlStyle | WS_THICKFRAME : gwlStyle & ~WS_THICKFRAME;
+    SetWindowLong(hWnd, GWL_STYLE, gwlStyle);
 }
 
 bool WindowManager::IsMinimizable()
@@ -418,6 +424,7 @@ void WindowManager::SetMinimizable(const flutter::EncodableMap &args)
     gwlStyle = isMinimizable ? gwlStyle | WS_MINIMIZEBOX : gwlStyle & ~WS_MINIMIZEBOX;
     SetWindowLong(hWnd, GWL_STYLE, gwlStyle);
 }
+
 bool WindowManager::IsClosable()
 {
     HWND hWnd = GetMainWindow();
@@ -434,6 +441,18 @@ void WindowManager::SetClosable(const flutter::EncodableMap &args)
     SetClassLong(hWnd, GCL_STYLE, gclStyle);
 }
 
+bool WindowManager::IsAlwaysOnTop()
+{
+    DWORD dwExStyle = GetWindowLong(GetMainWindow(), GWL_EXSTYLE);
+    return (dwExStyle & WS_EX_TOPMOST) != 0;
+}
+
+void WindowManager::SetAlwaysOnTop(const flutter::EncodableMap &args)
+{
+    bool isAlwaysOnTop = std::get<bool>(args.at(flutter::EncodableValue("isAlwaysOnTop")));
+    SetWindowPos(GetMainWindow(), isAlwaysOnTop ? HWND_TOPMOST : HWND_NOTOPMOST, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE);
+}
+
 std::string WindowManager::GetTitle()
 {
     int const bufferSize = 1 + GetWindowTextLength(GetMainWindow());

windows/window_manager_plugin.cpp

@@ -315,6 +315,17 @@ void WindowManagerPlugin::HandleMethodCall(const flutter::MethodCall<flutter::En
         window_manager->SetMaximumSize(args);
         result->Success(flutter::EncodableValue(true));
     }
+    else if (method_name.compare("isResizable") == 0)
+    {
+        bool value = window_manager->IsResizable();
+        result->Success(flutter::EncodableValue(value));
+    }
+    else if (method_name.compare("setResizable") == 0)
+    {
+        const flutter::EncodableMap &args = std::get<flutter::EncodableMap>(*method_call.arguments());
+        window_manager->SetResizable(args);
+        result->Success(flutter::EncodableValue(true));
+    }
     else if (method_name.compare("isMinimizable") == 0)
     {
         bool value = window_manager->IsMinimizable();