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A Flutter based music player for Jellyfin
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#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();}
LRESULTFlutterWindow::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);}