Implement quick&dirty approach to update window size and position

src/anbox/ubuntu/window.cpp

@@ -62,6 +62,14 @@ Window::~Window() {
         SDL_DestroyWindow(window_);
 }
 
+void Window::resize(int width, int height) {
+    SDL_SetWindowSize(window_, width, height);
+}
+
+int Window::update_position(int x, int y) {
+    SDL_SetWindowPosition(window_, x, y);
+}
+
 EGLNativeWindowType Window::native_window() const {
     return native_window_;
 }

src/anbox/ubuntu/window.h

@@ -32,6 +32,9 @@ public:
     Window(int x, int y, int width, int height);
     ~Window();
 
+    void resize(int width, int height);
+    int update_position(int x, int y);
+
     EGLNativeWindowType native_window() const;
 
 private:

src/anbox/ubuntu/window_creator.cpp

@@ -91,6 +91,15 @@ catch (std::exception &err) {
     return 0;
 }
 
+void WindowCreator::update_window(EGLNativeWindowType win, int x, int y, int width, int height) {
+    auto iter = windows_.find(win);
+    if (iter == windows_.end())
+        return;
+
+    iter->second->resize(width, height);
+    iter->second->update_position(x, y);
+}
+
 void WindowCreator::destroy_window(EGLNativeWindowType win) {
     auto iter = windows_.find(win);
     if (iter == windows_.end())

src/anbox/ubuntu/window_creator.h

@@ -39,6 +39,7 @@ public:
     ~WindowCreator();
 
     EGLNativeWindowType create_window(int x, int y, int width, int height) override;
+    void update_window(EGLNativeWindowType win, int x, int y, int width, int height) override;
     void destroy_window(EGLNativeWindowType win) override;
 
     DisplayInfo display_info() const override;