marco.pms.mobile/windows/runner/flutter_window.cpp
Vaibhav Surve 99902e743c Flutter application
- Created generated_plugin_registrant.cc and generated_plugin_registrant.h to manage plugin registration.
- Added generated_plugins.cmake for plugin configuration in CMake.
- Implemented CMakeLists.txt for the Windows runner, defining build settings and dependencies.
- Created Runner.rc for application resources including versioning and icons.
- Developed flutter_window.cpp and flutter_window.h to manage the Flutter window lifecycle.
- Implemented main.cpp as the entry point for the Windows application.
- Added resource.h for resource definitions.
- Included app icon in resources.
- Created runner.exe.manifest for application settings.
- Developed utils.cpp and utils.h for console management and command line argument handling.
- Implemented win32_window.cpp and win32_window.h for high DPI-aware window management.
2025-04-17 12:30:38 +05:30

72 lines
2.1 KiB
C++

#include "flutter_window.h"
#include <optional>
#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());
SetChildContent(flutter_controller_->view()->GetNativeWindow());
flutter_controller_->engine()->SetNextFrameCallback([&]() {
this->Show();
});
// Flutter can complete the first frame before the "show window" callback is
// registered. The following call ensures a frame is pending to ensure the
// window is shown. It is a no-op if the first frame hasn't completed yet.
flutter_controller_->ForceRedraw();
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);
}