diff --git a/README.md b/README.md
index 591cedd..2ee70b1 100644
--- a/README.md
+++ b/README.md
@@ -10,13 +10,13 @@ The server: https://door.casdoor.com/
- download the code
```bash
- git clone git@github.com:casdoor/casdoor-flutter-example.git
+git clone git@github.com:casdoor/casdoor-flutter-example.git
```
- install dependencies
```shell
- flutter pub get
+flutter pub get
```
## Configure
Initialization requires 6 parameters, which are all str type:
@@ -46,20 +46,28 @@ Initialization requires 6 parameters, which are all str type:
flutter run -d chrome --web-port 9000
```
-## Note here that for Android and Web
+## Notes for different platforms
+
+### Windows 10
+
+Download the WebView2 runtime from [here](https://developer.microsoft.com/en-us/microsoft-edge/webview2/#download-section) and install it.
+
+The WebView2 runtime is included in Windows 11 by default.
+
+## Linux and macOS
+
+Add the package `desktop_webview_window: ^0.2.3` inside *dependencies* to the *pubspec.yaml* file.
+
+Modify the *main* function to look like the following:
-### Android
-In order to capture the callback url, the following activity needs to be added to your AndroidManifest.xml. Be sure to relpace YOUR_CALLBACK_URL_SCHEME_HERE with your actual callback url scheme.
```
-
-
-
-
-
-
-
-
+void main(List args) async {
+ WidgetsFlutterBinding.ensureInitialized();
+ if (runWebViewTitleBarWidget(args)) {
+ return;
+ }
+ runApp(const MyApp());
+}
```
### Web
diff --git a/android/app/build.gradle b/android/app/build.gradle
index 3841245..2cfed6c 100644
--- a/android/app/build.gradle
+++ b/android/app/build.gradle
@@ -1,3 +1,9 @@
+plugins {
+ id "com.android.application"
+ id "kotlin-android"
+ id "dev.flutter.flutter-gradle-plugin"
+}
+
def localProperties = new Properties()
def localPropertiesFile = rootProject.file('local.properties')
if (localPropertiesFile.exists()) {
@@ -6,11 +12,6 @@ if (localPropertiesFile.exists()) {
}
}
-def flutterRoot = localProperties.getProperty('flutter.sdk')
-if (flutterRoot == null) {
- throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
-}
-
def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
if (flutterVersionCode == null) {
flutterVersionCode = '1'
@@ -21,11 +22,8 @@ if (flutterVersionName == null) {
flutterVersionName = '1.0'
}
-apply plugin: 'com.android.application'
-apply plugin: 'kotlin-android'
-apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
-
android {
+ namespace "com.example.casdoor_flutter_example"
compileSdkVersion flutter.compileSdkVersion
ndkVersion flutter.ndkVersion
@@ -46,8 +44,8 @@ android {
// TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
applicationId "com.example.casdoor_flutter_example"
// You can update the following values to match your application needs.
- // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-build-configuration.
- minSdkVersion flutter.minSdkVersion
+ // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration.
+ minSdkVersion 19
targetSdkVersion flutter.targetSdkVersion
versionCode flutterVersionCode.toInteger()
versionName flutterVersionName
@@ -66,6 +64,4 @@ flutter {
source '../..'
}
-dependencies {
- implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-}
+dependencies {}
diff --git a/android/app/src/debug/AndroidManifest.xml b/android/app/src/debug/AndroidManifest.xml
index 798e3ba..399f698 100644
--- a/android/app/src/debug/AndroidManifest.xml
+++ b/android/app/src/debug/AndroidManifest.xml
@@ -1,5 +1,4 @@
-
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/windows/runner/utils.cpp b/windows/runner/utils.cpp
new file mode 100644
index 0000000..fc55c57
--- /dev/null
+++ b/windows/runner/utils.cpp
@@ -0,0 +1,65 @@
+#include "utils.h"
+
+#include
+#include
+#include
+#include
+
+#include
+
+void CreateAndAttachConsole() {
+ if (::AllocConsole()) {
+ FILE *unused;
+ if (freopen_s(&unused, "CONOUT$", "w", stdout)) {
+ _dup2(_fileno(stdout), 1);
+ }
+ if (freopen_s(&unused, "CONOUT$", "w", stderr)) {
+ _dup2(_fileno(stdout), 2);
+ }
+ std::ios::sync_with_stdio();
+ FlutterDesktopResyncOutputStreams();
+ }
+}
+
+std::vector GetCommandLineArguments() {
+ // Convert the UTF-16 command line arguments to UTF-8 for the Engine to use.
+ int argc;
+ wchar_t** argv = ::CommandLineToArgvW(::GetCommandLineW(), &argc);
+ if (argv == nullptr) {
+ return std::vector();
+ }
+
+ std::vector command_line_arguments;
+
+ // Skip the first argument as it's the binary name.
+ for (int i = 1; i < argc; i++) {
+ command_line_arguments.push_back(Utf8FromUtf16(argv[i]));
+ }
+
+ ::LocalFree(argv);
+
+ return command_line_arguments;
+}
+
+std::string Utf8FromUtf16(const wchar_t* utf16_string) {
+ if (utf16_string == nullptr) {
+ return std::string();
+ }
+ int target_length = ::WideCharToMultiByte(
+ CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string,
+ -1, nullptr, 0, nullptr, nullptr)
+ -1; // remove the trailing null character
+ int input_length = (int)wcslen(utf16_string);
+ std::string utf8_string;
+ if (target_length <= 0 || target_length > utf8_string.max_size()) {
+ return utf8_string;
+ }
+ utf8_string.resize(target_length);
+ int converted_length = ::WideCharToMultiByte(
+ CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string,
+ input_length, utf8_string.data(), target_length, nullptr, nullptr);
+ if (converted_length == 0) {
+ return std::string();
+ }
+ return utf8_string;
+}
diff --git a/windows/runner/utils.h b/windows/runner/utils.h
new file mode 100644
index 0000000..3f0e05c
--- /dev/null
+++ b/windows/runner/utils.h
@@ -0,0 +1,19 @@
+#ifndef RUNNER_UTILS_H_
+#define RUNNER_UTILS_H_
+
+#include
+#include
+
+// Creates a console for the process, and redirects stdout and stderr to
+// it for both the runner and the Flutter library.
+void CreateAndAttachConsole();
+
+// Takes a null-terminated wchar_t* encoded in UTF-16 and returns a std::string
+// encoded in UTF-8. Returns an empty std::string on failure.
+std::string Utf8FromUtf16(const wchar_t* utf16_string);
+
+// Gets the command line arguments passed in as a std::vector,
+// encoded in UTF-8. Returns an empty std::vector on failure.
+std::vector GetCommandLineArguments();
+
+#endif // RUNNER_UTILS_H_
diff --git a/windows/runner/win32_window.cpp b/windows/runner/win32_window.cpp
new file mode 100644
index 0000000..b5ba2a0
--- /dev/null
+++ b/windows/runner/win32_window.cpp
@@ -0,0 +1,288 @@
+#include "win32_window.h"
+
+#include
+#include
+
+#include "resource.h"
+
+namespace {
+
+/// Window attribute that enables dark mode window decorations.
+///
+/// Redefined in case the developer's machine has a Windows SDK older than
+/// version 10.0.22000.0.
+/// See: https://docs.microsoft.com/windows/win32/api/dwmapi/ne-dwmapi-dwmwindowattribute
+#ifndef DWMWA_USE_IMMERSIVE_DARK_MODE
+#define DWMWA_USE_IMMERSIVE_DARK_MODE 20
+#endif
+
+constexpr const wchar_t kWindowClassName[] = L"FLUTTER_RUNNER_WIN32_WINDOW";
+
+/// Registry key for app theme preference.
+///
+/// A value of 0 indicates apps should use dark mode. A non-zero or missing
+/// value indicates apps should use light mode.
+constexpr const wchar_t kGetPreferredBrightnessRegKey[] =
+ L"Software\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize";
+constexpr const wchar_t kGetPreferredBrightnessRegValue[] = L"AppsUseLightTheme";
+
+// The number of Win32Window objects that currently exist.
+static int g_active_window_count = 0;
+
+using EnableNonClientDpiScaling = BOOL __stdcall(HWND hwnd);
+
+// Scale helper to convert logical scaler values to physical using passed in
+// scale factor
+int Scale(int source, double scale_factor) {
+ return static_cast(source * scale_factor);
+}
+
+// Dynamically loads the |EnableNonClientDpiScaling| from the User32 module.
+// This API is only needed for PerMonitor V1 awareness mode.
+void EnableFullDpiSupportIfAvailable(HWND hwnd) {
+ HMODULE user32_module = LoadLibraryA("User32.dll");
+ if (!user32_module) {
+ return;
+ }
+ auto enable_non_client_dpi_scaling =
+ reinterpret_cast(
+ GetProcAddress(user32_module, "EnableNonClientDpiScaling"));
+ if (enable_non_client_dpi_scaling != nullptr) {
+ enable_non_client_dpi_scaling(hwnd);
+ }
+ FreeLibrary(user32_module);
+}
+
+} // namespace
+
+// Manages the Win32Window's window class registration.
+class WindowClassRegistrar {
+ public:
+ ~WindowClassRegistrar() = default;
+
+ // Returns the singleton registrar instance.
+ static WindowClassRegistrar* GetInstance() {
+ if (!instance_) {
+ instance_ = new WindowClassRegistrar();
+ }
+ return instance_;
+ }
+
+ // Returns the name of the window class, registering the class if it hasn't
+ // previously been registered.
+ const wchar_t* GetWindowClass();
+
+ // Unregisters the window class. Should only be called if there are no
+ // instances of the window.
+ void UnregisterWindowClass();
+
+ private:
+ WindowClassRegistrar() = default;
+
+ static WindowClassRegistrar* instance_;
+
+ bool class_registered_ = false;
+};
+
+WindowClassRegistrar* WindowClassRegistrar::instance_ = nullptr;
+
+const wchar_t* WindowClassRegistrar::GetWindowClass() {
+ if (!class_registered_) {
+ WNDCLASS window_class{};
+ window_class.hCursor = LoadCursor(nullptr, IDC_ARROW);
+ window_class.lpszClassName = kWindowClassName;
+ window_class.style = CS_HREDRAW | CS_VREDRAW;
+ window_class.cbClsExtra = 0;
+ window_class.cbWndExtra = 0;
+ window_class.hInstance = GetModuleHandle(nullptr);
+ window_class.hIcon =
+ LoadIcon(window_class.hInstance, MAKEINTRESOURCE(IDI_APP_ICON));
+ window_class.hbrBackground = 0;
+ window_class.lpszMenuName = nullptr;
+ window_class.lpfnWndProc = Win32Window::WndProc;
+ RegisterClass(&window_class);
+ class_registered_ = true;
+ }
+ return kWindowClassName;
+}
+
+void WindowClassRegistrar::UnregisterWindowClass() {
+ UnregisterClass(kWindowClassName, nullptr);
+ class_registered_ = false;
+}
+
+Win32Window::Win32Window() {
+ ++g_active_window_count;
+}
+
+Win32Window::~Win32Window() {
+ --g_active_window_count;
+ Destroy();
+}
+
+bool Win32Window::Create(const std::wstring& title,
+ const Point& origin,
+ const Size& size) {
+ Destroy();
+
+ const wchar_t* window_class =
+ WindowClassRegistrar::GetInstance()->GetWindowClass();
+
+ const POINT target_point = {static_cast(origin.x),
+ static_cast(origin.y)};
+ HMONITOR monitor = MonitorFromPoint(target_point, MONITOR_DEFAULTTONEAREST);
+ UINT dpi = FlutterDesktopGetDpiForMonitor(monitor);
+ double scale_factor = dpi / 96.0;
+
+ HWND window = CreateWindow(
+ window_class, title.c_str(), WS_OVERLAPPEDWINDOW,
+ Scale(origin.x, scale_factor), Scale(origin.y, scale_factor),
+ Scale(size.width, scale_factor), Scale(size.height, scale_factor),
+ nullptr, nullptr, GetModuleHandle(nullptr), this);
+
+ if (!window) {
+ return false;
+ }
+
+ UpdateTheme(window);
+
+ return OnCreate();
+}
+
+bool Win32Window::Show() {
+ return ShowWindow(window_handle_, SW_SHOWNORMAL);
+}
+
+// static
+LRESULT CALLBACK Win32Window::WndProc(HWND const window,
+ UINT const message,
+ WPARAM const wparam,
+ LPARAM const lparam) noexcept {
+ if (message == WM_NCCREATE) {
+ auto window_struct = reinterpret_cast(lparam);
+ SetWindowLongPtr(window, GWLP_USERDATA,
+ reinterpret_cast(window_struct->lpCreateParams));
+
+ auto that = static_cast(window_struct->lpCreateParams);
+ EnableFullDpiSupportIfAvailable(window);
+ that->window_handle_ = window;
+ } else if (Win32Window* that = GetThisFromHandle(window)) {
+ return that->MessageHandler(window, message, wparam, lparam);
+ }
+
+ return DefWindowProc(window, message, wparam, lparam);
+}
+
+LRESULT
+Win32Window::MessageHandler(HWND hwnd,
+ UINT const message,
+ WPARAM const wparam,
+ LPARAM const lparam) noexcept {
+ switch (message) {
+ case WM_DESTROY:
+ window_handle_ = nullptr;
+ Destroy();
+ if (quit_on_close_) {
+ PostQuitMessage(0);
+ }
+ return 0;
+
+ case WM_DPICHANGED: {
+ auto newRectSize = reinterpret_cast(lparam);
+ LONG newWidth = newRectSize->right - newRectSize->left;
+ LONG newHeight = newRectSize->bottom - newRectSize->top;
+
+ SetWindowPos(hwnd, nullptr, newRectSize->left, newRectSize->top, newWidth,
+ newHeight, SWP_NOZORDER | SWP_NOACTIVATE);
+
+ return 0;
+ }
+ case WM_SIZE: {
+ RECT rect = GetClientArea();
+ if (child_content_ != nullptr) {
+ // Size and position the child window.
+ MoveWindow(child_content_, rect.left, rect.top, rect.right - rect.left,
+ rect.bottom - rect.top, TRUE);
+ }
+ return 0;
+ }
+
+ case WM_ACTIVATE:
+ if (child_content_ != nullptr) {
+ SetFocus(child_content_);
+ }
+ return 0;
+
+ case WM_DWMCOLORIZATIONCOLORCHANGED:
+ UpdateTheme(hwnd);
+ return 0;
+ }
+
+ return DefWindowProc(window_handle_, message, wparam, lparam);
+}
+
+void Win32Window::Destroy() {
+ OnDestroy();
+
+ if (window_handle_) {
+ DestroyWindow(window_handle_);
+ window_handle_ = nullptr;
+ }
+ if (g_active_window_count == 0) {
+ WindowClassRegistrar::GetInstance()->UnregisterWindowClass();
+ }
+}
+
+Win32Window* Win32Window::GetThisFromHandle(HWND const window) noexcept {
+ return reinterpret_cast(
+ GetWindowLongPtr(window, GWLP_USERDATA));
+}
+
+void Win32Window::SetChildContent(HWND content) {
+ child_content_ = content;
+ SetParent(content, window_handle_);
+ RECT frame = GetClientArea();
+
+ MoveWindow(content, frame.left, frame.top, frame.right - frame.left,
+ frame.bottom - frame.top, true);
+
+ SetFocus(child_content_);
+}
+
+RECT Win32Window::GetClientArea() {
+ RECT frame;
+ GetClientRect(window_handle_, &frame);
+ return frame;
+}
+
+HWND Win32Window::GetHandle() {
+ return window_handle_;
+}
+
+void Win32Window::SetQuitOnClose(bool quit_on_close) {
+ quit_on_close_ = quit_on_close;
+}
+
+bool Win32Window::OnCreate() {
+ // No-op; provided for subclasses.
+ return true;
+}
+
+void Win32Window::OnDestroy() {
+ // No-op; provided for subclasses.
+}
+
+void Win32Window::UpdateTheme(HWND const window) {
+ DWORD light_mode;
+ DWORD light_mode_size = sizeof(light_mode);
+ LSTATUS result = RegGetValue(HKEY_CURRENT_USER, kGetPreferredBrightnessRegKey,
+ kGetPreferredBrightnessRegValue,
+ RRF_RT_REG_DWORD, nullptr, &light_mode,
+ &light_mode_size);
+
+ if (result == ERROR_SUCCESS) {
+ BOOL enable_dark_mode = light_mode == 0;
+ DwmSetWindowAttribute(window, DWMWA_USE_IMMERSIVE_DARK_MODE,
+ &enable_dark_mode, sizeof(enable_dark_mode));
+ }
+}
diff --git a/windows/runner/win32_window.h b/windows/runner/win32_window.h
new file mode 100644
index 0000000..49b847f
--- /dev/null
+++ b/windows/runner/win32_window.h
@@ -0,0 +1,102 @@
+#ifndef RUNNER_WIN32_WINDOW_H_
+#define RUNNER_WIN32_WINDOW_H_
+
+#include
+
+#include
+#include
+#include
+
+// A class abstraction for a high DPI-aware Win32 Window. Intended to be
+// inherited from by classes that wish to specialize with custom
+// rendering and input handling
+class Win32Window {
+ public:
+ struct Point {
+ unsigned int x;
+ unsigned int y;
+ Point(unsigned int x, unsigned int y) : x(x), y(y) {}
+ };
+
+ struct Size {
+ unsigned int width;
+ unsigned int height;
+ Size(unsigned int width, unsigned int height)
+ : width(width), height(height) {}
+ };
+
+ Win32Window();
+ virtual ~Win32Window();
+
+ // Creates a win32 window with |title| that is positioned and sized using
+ // |origin| and |size|. New windows are created on the default monitor. Window
+ // sizes are specified to the OS in physical pixels, hence to ensure a
+ // consistent size this function will scale the inputted width and height as
+ // as appropriate for the default monitor. The window is invisible until
+ // |Show| is called. Returns true if the window was created successfully.
+ bool Create(const std::wstring& title, const Point& origin, const Size& size);
+
+ // Show the current window. Returns true if the window was successfully shown.
+ bool Show();
+
+ // Release OS resources associated with window.
+ void Destroy();
+
+ // Inserts |content| into the window tree.
+ void SetChildContent(HWND content);
+
+ // Returns the backing Window handle to enable clients to set icon and other
+ // window properties. Returns nullptr if the window has been destroyed.
+ HWND GetHandle();
+
+ // If true, closing this window will quit the application.
+ void SetQuitOnClose(bool quit_on_close);
+
+ // Return a RECT representing the bounds of the current client area.
+ RECT GetClientArea();
+
+ protected:
+ // Processes and route salient window messages for mouse handling,
+ // size change and DPI. Delegates handling of these to member overloads that
+ // inheriting classes can handle.
+ virtual LRESULT MessageHandler(HWND window,
+ UINT const message,
+ WPARAM const wparam,
+ LPARAM const lparam) noexcept;
+
+ // Called when CreateAndShow is called, allowing subclass window-related
+ // setup. Subclasses should return false if setup fails.
+ virtual bool OnCreate();
+
+ // Called when Destroy is called.
+ virtual void OnDestroy();
+
+ private:
+ friend class WindowClassRegistrar;
+
+ // OS callback called by message pump. Handles the WM_NCCREATE message which
+ // is passed when the non-client area is being created and enables automatic
+ // non-client DPI scaling so that the non-client area automatically
+ // responds to changes in DPI. All other messages are handled by
+ // MessageHandler.
+ static LRESULT CALLBACK WndProc(HWND const window,
+ UINT const message,
+ WPARAM const wparam,
+ LPARAM const lparam) noexcept;
+
+ // Retrieves a class instance pointer for |window|
+ static Win32Window* GetThisFromHandle(HWND const window) noexcept;
+
+ // Update the window frame's theme to match the system theme.
+ static void UpdateTheme(HWND const window);
+
+ bool quit_on_close_ = false;
+
+ // window handle for top level window.
+ HWND window_handle_ = nullptr;
+
+ // window handle for hosted content.
+ HWND child_content_ = nullptr;
+};
+
+#endif // RUNNER_WIN32_WINDOW_H_