72 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			72 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
#include "flutter_window.h"
 | 
						|
 | 
						|
#include <optional>
 | 
						|
 | 
						|
#include <desktop_multi_window/desktop_multi_window_plugin.h>
 | 
						|
#include <texture_rgba_renderer/texture_rgba_renderer_plugin_c_api.h>
 | 
						|
 | 
						|
#include "flutter/generated_plugin_registrant.h"
 | 
						|
 | 
						|
FlutterWindow::FlutterWindow(const flutter::DartProject& project)
 | 
						|
    : project_(project) {}
 | 
						|
 | 
						|
FlutterWindow::~FlutterWindow() {}
 | 
						|
 | 
						|
bool FlutterWindow::OnCreate() {
 | 
						|
  if (!Win32Window::OnCreate()) {
 | 
						|
    return false;
 | 
						|
  }
 | 
						|
 | 
						|
  RECT frame = GetClientArea();
 | 
						|
 | 
						|
  // The size here must match the window dimensions to avoid unnecessary surface
 | 
						|
  // creation / destruction in the startup path.
 | 
						|
  flutter_controller_ = std::make_unique<flutter::FlutterViewController>(
 | 
						|
      frame.right - frame.left, frame.bottom - frame.top, project_);
 | 
						|
  // Ensure that basic setup of the controller was successful.
 | 
						|
  if (!flutter_controller_->engine() || !flutter_controller_->view()) {
 | 
						|
    return false;
 | 
						|
  }
 | 
						|
  RegisterPlugins(flutter_controller_->engine());
 | 
						|
  DesktopMultiWindowSetWindowCreatedCallback([](void *controller) {
 | 
						|
    auto *flutter_view_controller =
 | 
						|
        reinterpret_cast<flutter::FlutterViewController *>(controller);
 | 
						|
    auto *registry = flutter_view_controller->engine();
 | 
						|
    TextureRgbaRendererPluginCApiRegisterWithRegistrar(
 | 
						|
        registry->GetRegistrarForPlugin("TextureRgbaRendererPlugin"));
 | 
						|
  });
 | 
						|
  SetChildContent(flutter_controller_->view()->GetNativeWindow());
 | 
						|
  return true;
 | 
						|
}
 | 
						|
 | 
						|
void FlutterWindow::OnDestroy() {
 | 
						|
  if (flutter_controller_) {
 | 
						|
    flutter_controller_ = nullptr;
 | 
						|
  }
 | 
						|
 | 
						|
  Win32Window::OnDestroy();
 | 
						|
}
 | 
						|
 | 
						|
LRESULT
 | 
						|
FlutterWindow::MessageHandler(HWND hwnd, UINT const message,
 | 
						|
                              WPARAM const wparam,
 | 
						|
                              LPARAM const lparam) noexcept {
 | 
						|
  // Give Flutter, including plugins, an opportunity to handle window messages.
 | 
						|
  if (flutter_controller_) {
 | 
						|
    std::optional<LRESULT> result =
 | 
						|
        flutter_controller_->HandleTopLevelWindowProc(hwnd, message, wparam,
 | 
						|
                                                      lparam);
 | 
						|
    if (result) {
 | 
						|
      return *result;
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  switch (message) {
 | 
						|
    case WM_FONTCHANGE:
 | 
						|
      flutter_controller_->engine()->ReloadSystemFonts();
 | 
						|
      break;
 | 
						|
  }
 | 
						|
 | 
						|
  return Win32Window::MessageHandler(hwnd, message, wparam, lparam);
 | 
						|
}
 |