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#pragma once
#include "EventLoop.h"
#include "Interface.h"
#include "Sync.h"
# ifndef NOMINMAX
# define NOMINMAX
# endif
#include <windows.h>
#include <objbase.h>
#include <shellapi.h>
#include <mutex>
#include <thread>
#include <functional>
#include <unordered_map>
#define VST_EDITOR_CLASS_NAME L"VST Plugin Editor Class"
#define VST_ROOT_CLASS_NAME L"VST Plugin Root Class"
// NB: can't synchronize threads in a global/static
// object constructor in a Windows DLL!
#ifndef JOIN_UI_THREAD
#define JOIN_UI_THREAD 0
#endif
namespace vst {
namespace Win32 {
enum Message {
WM_CALL = WM_APP + 2867,
WM_SYNC
};
class EventLoop : public BaseEventLoop {
public:
static const UINT_PTR pollTimerID = 1;
static EventLoop& instance();
EventLoop();
~EventLoop();
void run();
void quit();
bool sync();
bool callAsync(UIThread::Callback cb, void *user);
bool callSync(UIThread::Callback cb, void *user);
private:
static LRESULT WINAPI procedure(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam);
static HICON getIcon();
bool postMessage(UINT msg, void *data1 = nullptr, void *data2 = nullptr); // non-blocking
void handleTimer(UINT_PTR id);
void initUIThread();
void startPolling() override;
void stopPolling() override;
std::thread thread_;
HWND hwnd_ = NULL;
Mutex mutex_;
SyncCondition event_;
};
class Window : public IWindow {
public:
static LRESULT WINAPI procedure(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam);
Window(IPlugin& plugin);
~Window();
void open() override;
void close() override;
void setPos(int x, int y) override;
void setSize(int w, int h) override;
void resize(int w, int h) override;
void update() override;
private:
void doOpen();
void doClose();
void saveCurrentPosition();
void updateFrame();
void onSizing(RECT& newRect);
void onSize(int w, int h);
bool canResize() const;
static const UINT_PTR timerID = 0x375067f6;
static void CALLBACK updateEditor(HWND hwnd, UINT msg, UINT_PTR id, DWORD time);
HWND hwnd_ = nullptr;
IPlugin* plugin_ = nullptr;
Rect rect_{ 100, 100, 0, 0 }; // empty rect!
bool adjustSize_ = false;
struct Command {
Window *owner;
int x;
int y;
};
};
} // Win32
} // vst
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