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/*
vst~ - VST plugin object for PD
based on the work of Jarno Seppänen and Mark Williamson
Copyright (c)2003-2004 Thomas Grill (xovo@gmx.net)
For information on usage and redistribution, and for a DISCLAIMER OF ALL
WARRANTIES, see the file, "license.txt," in this distribution.
*/
#include "Editor.h"
#include "VstHost.h"
#include <flext.h>
#include <map>
#if FLEXT_OS == FLEXT_OS_WIN
// only Windows code is situated in this file
#include <windows.h>
typedef std::map<flext::thrid_t,VSTPlugin *> WndMap;
static WndMap wndmap;
static flext::ThrMutex mapmutex;
#define TIMER_INTERVAL 25
#define WCLNAME "vst~-class"
static LRESULT CALLBACK wndproc(HWND hwnd,UINT msg,WPARAM wp,LPARAM lp)
{
mapmutex.Lock();
VSTPlugin *plug = wndmap[flext::GetThreadId()];
mapmutex.Unlock();
FLEXT_ASSERT(plug != NULL);
LRESULT res = 0;
// post("Message %x",msg);
switch(msg) {
// case WM_NCREATE: res = TRUE; break;
case WM_CREATE:
// Initialize the window.
plug->StartEditing(hwnd);
break;
case WM_CLOSE:
plug->StopEditing();
DestroyWindow(hwnd);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
case WM_TIMER:
// plug->Dispatch(effEditIdle, 0, 0, NULL, 0.0f);
// break;
case WM_ENTERIDLE:
plug->EditorIdle();
break;
case WM_MOVE: {
WORD x = LOWORD(lp),y = HIWORD(lp);
plug->SetPos(reinterpret_cast<short &>(x),reinterpret_cast<short &>(y),false);
break;
}
/*
case WM_PAINT: {
// Paint the window's client area.
RECT rect;
GetUpdateRect(hwnd,rect,FALSE);
plug->Paint(rect);
break;
}
*/
/*
case WM_SIZE:
// Set the size and position of the window.
break;
*/
default:
res = DefWindowProc(hwnd,msg,wp,lp);
}
return res;
}
static void threadfun(flext::thr_params *p)
{
flext::RelPriority(-2);
VSTPlugin *plug = (VSTPlugin *)p;
HINSTANCE hinstance = (HINSTANCE)GetModuleHandle(NULL);
flext::thrid_t thrid = flext::GetThreadId();
mapmutex.Lock();
wndmap[thrid] = plug;
mapmutex.Unlock();
char tmp[256];
sprintf(tmp,"vst~ - %s",plug->GetName());
HWND wnd = CreateWindow(
WCLNAME,tmp,
WS_BORDER|WS_CAPTION|/*WS_THICKFRAME|*/WS_POPUP|WS_SYSMENU|WS_MINIMIZEBOX,
CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,
NULL,NULL,
hinstance,NULL
);
if(!wnd)
FLEXT_LOG1("wnd == NULL: %i",GetLastError());
else {
// plug->Dispatch(effEditOpen , 0 , 0 , wnd, 0.0f ); // Done in WNDPROC!!
/*
CString str = theApp->GetProfileString( "VSTPos" , plug->GetName() , "10,10");
int idx = str.Find(",");
CString x = str.Left( idx );
CString y = str.Right( idx );
printf(" index is %d left is %s and right is %s" , idx , x , y);
*/
// plug->Dispatch(effEditTop,0,0, 0,0.0f);
// printf("Dispatched to the top\n");
SetTimer(wnd,0,TIMER_INTERVAL,NULL);
WINDOWINFO winfo;
winfo.cbSize = sizeof(winfo);
GetWindowInfo(wnd,&winfo);
TITLEBARINFO tinfo;
tinfo.cbSize = sizeof(tinfo);
GetTitleBarInfo(wnd,&tinfo);
ERect r;
plug->GetEditorRect(r);
SetWindowPos(wnd,HWND_TOP,
r.left,
r.top,
(r.right-r.left)+winfo.cxWindowBorders*2,
(r.bottom-r.top)+(tinfo.rcTitleBar.bottom-tinfo.rcTitleBar.top)+winfo.cyWindowBorders*2,
SWP_SHOWWINDOW
);
// SetFocus();
// Message pump
MSG msg;
BOOL bRet;
while( (bRet = GetMessage( &msg, NULL, 0, 0 )) != 0) {
if (bRet == -1) {
// handle the error and possibly exit
FLEXT_LOG1("GetMessage error: %i",GetLastError());
}
else {
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
}
// UnregisterClass(wcx.lpszClassName,hinstance);
mapmutex.Lock();
wndmap.erase(thrid);
mapmutex.Unlock();
}
void SetupEditor()
{
HINSTANCE hinstance = (HINSTANCE)GetModuleHandle(NULL);
// Fill in the window class structure with parameters that describe the main window.
WNDCLASS wcx;
wcx.style = CS_DBLCLKS; // | CS_HREDRAW | CS_VREDRAW; // redraw if size changes
wcx.lpfnWndProc = wndproc; // points to window procedure
wcx.cbClsExtra = 0; // no extra class memory
wcx.cbWndExtra = 0; // no extra window memory
wcx.hInstance = hinstance; // handle to instance
wcx.hIcon = NULL; //LoadIcon(NULL, IDI_APPLICATION); // predefined app. icon
wcx.hCursor = LoadCursor(NULL, IDC_ARROW); // predefined arrow
wcx.hbrBackground = NULL; //GetStockObject(WHITE_BRUSH); // white background brush
wcx.lpszMenuName = NULL; // name of menu resource
wcx.lpszClassName = WCLNAME; // name of window class
ATOM at = RegisterClass(&wcx);
FLEXT_ASSERT(at);
}
void StartEditor(VSTPlugin *p)
{
flext::LaunchThread(threadfun,reinterpret_cast<flext::thr_params *>(p));
}
void StopEditor(VSTPlugin *p)
{
PostMessage(p->EditorHandle(),WM_CLOSE,0,0);
flext::StopThread(threadfun,reinterpret_cast<flext::thr_params *>(p));
}
void ShowEditor(VSTPlugin *p,bool show)
{
ShowWindow(p->EditorHandle(),show);
}
void MoveEditor(VSTPlugin *p,int x,int y)
{
// the client region must be taken into account
// SetWindowPos(p->EditorHandle(),NULL,x,y,0,0,SWP_NOSIZE|SWP_NOZORDER);
}
void SizeEditor(VSTPlugin *p,int x,int y)
{
SetWindowPos(p->EditorHandle(),NULL,0,0,x,y,SWP_NOMOVE|SWP_NOZORDER);
}
bool IsEditorShown(const VSTPlugin *p)
{
return IsWindowVisible(p->EditorHandle()) != FALSE;
}
#endif // FLEXT_OS_WIN
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