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//-------------------------------------------------------------------------------------------------------
// VST Plug-Ins SDK
// Version 2.4 $Date: 2006/11/13 09:08:28 $
//
// Category : VST 2.x SDK Samples
// Filename : minieditor.cpp
// Created by : Steinberg
// Description : VST Mini Host Editor
//
// � 2006, Steinberg Media Technologies, All Rights Reserved
//-------------------------------------------------------------------------------------------------------
#include "pluginterfaces/vst2.x/aeffectx.h"
#if _WIN32
#include <windows.h>
#elif TARGET_API_MAC_CARBON
#include <Carbon/Carbon.h>
static pascal OSStatus windowHandler (EventHandlerCallRef inHandlerCallRef, EventRef inEvent, void* inUserData);
static pascal void idleTimerProc (EventLoopTimerRef inTimer, void* inUserData);
#endif
#include <stdio.h>
#if _WIN32
//-------------------------------------------------------------------------------------------------------
struct MyDLGTEMPLATE: DLGTEMPLATE
{
WORD ext[3];
MyDLGTEMPLATE ()
{
memset (this, 0, sizeof (*this));
};
};
static INT_PTR CALLBACK EditorProc (HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
static AEffect* theEffect = 0;
#endif
//-------------------------------------------------------------------------------------------------------
bool checkEffectEditor (AEffect* effect)
{
if ((effect->flags & effFlagsHasEditor) == 0)
{
printf ("This plug does not have an editor!\n");
return false;
}
#if _WIN32
theEffect = effect;
MyDLGTEMPLATE t;
t.style = WS_POPUPWINDOW|WS_DLGFRAME|DS_MODALFRAME|DS_CENTER;
t.cx = 100;
t.cy = 100;
DialogBoxIndirectParam (GetModuleHandle (0), &t, 0, (DLGPROC)EditorProc, (LPARAM)effect);
theEffect = 0;
#elif TARGET_API_MAC_CARBON
WindowRef window;
Rect mRect = {0, 0, 300, 300};
OSStatus err = CreateNewWindow (kDocumentWindowClass, kWindowCloseBoxAttribute | kWindowCompositingAttribute | kWindowAsyncDragAttribute | kWindowStandardHandlerAttribute, &mRect, &window);
if (err != noErr)
{
printf ("HOST> Could not create mac window !\n");
return false;
}
static EventTypeSpec eventTypes[] = {
{ kEventClassWindow, kEventWindowClose }
};
InstallWindowEventHandler (window, windowHandler, GetEventTypeCount (eventTypes), eventTypes, window, NULL);
printf ("HOST> Open editor...\n");
effect->dispatcher (effect, effEditOpen, 0, 0, window, 0);
ERect* eRect = 0;
printf ("HOST> Get editor rect..\n");
effect->dispatcher (effect, effEditGetRect, 0, 0, &eRect, 0);
if (eRect)
{
int width = eRect->right - eRect->left;
int height = eRect->bottom - eRect->top;
Rect bounds;
GetWindowBounds (window, kWindowContentRgn, &bounds);
bounds.right = bounds.left + width;
bounds.bottom = bounds.top + height;
SetWindowBounds (window, kWindowContentRgn, &bounds);
}
RepositionWindow (window, NULL, kWindowCenterOnMainScreen);
ShowWindow (window);
EventLoopTimerRef idleEventLoopTimer;
InstallEventLoopTimer (GetCurrentEventLoop (), kEventDurationSecond / 25., kEventDurationSecond / 25., idleTimerProc, effect, &idleEventLoopTimer);
RunAppModalLoopForWindow (window);
RemoveEventLoopTimer (idleEventLoopTimer);
printf ("HOST> Close editor..\n");
effect->dispatcher (effect, effEditClose, 0, 0, 0, 0);
ReleaseWindow (window);
#endif
return true;
}
#if _WIN32
//-------------------------------------------------------------------------------------------------------
INT_PTR CALLBACK EditorProc (HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
AEffect* effect = theEffect;
switch(msg)
{
//-----------------------
case WM_INITDIALOG :
{
SetWindowText (hwnd, "VST Editor");
SetTimer (hwnd, 1, 20, 0);
if (effect)
{
printf ("HOST> Open editor...\n");
effect->dispatcher (effect, effEditOpen, 0, 0, hwnd, 0);
printf ("HOST> Get editor rect..\n");
ERect* eRect = 0;
effect->dispatcher (effect, effEditGetRect, 0, 0, &eRect, 0);
if (eRect)
{
int width = eRect->right - eRect->left;
int height = eRect->bottom - eRect->top;
if (width < 100)
width = 100;
if (height < 100)
height = 100;
RECT wRect;
SetRect (&wRect, 0, 0, width, height);
AdjustWindowRectEx (&wRect, GetWindowLong (hwnd, GWL_STYLE), FALSE, GetWindowLong (hwnd, GWL_EXSTYLE));
width = wRect.right - wRect.left;
height = wRect.bottom - wRect.top;
SetWindowPos (hwnd, HWND_TOP, 0, 0, width, height, SWP_NOMOVE);
}
}
} break;
//-----------------------
case WM_TIMER :
if (effect)
effect->dispatcher (effect, effEditIdle, 0, 0, 0, 0);
break;
//-----------------------
case WM_CLOSE :
{
KillTimer (hwnd, 1);
printf ("HOST> Close editor..\n");
if (effect)
effect->dispatcher (effect, effEditClose, 0, 0, 0, 0);
EndDialog (hwnd, IDOK);
} break;
}
return 0;
}
#elif TARGET_API_MAC_CARBON
//-------------------------------------------------------------------------------------------------------
pascal void idleTimerProc (EventLoopTimerRef inTimer, void *inUserData)
{
AEffect* effect = (AEffect*)inUserData;
effect->dispatcher (effect, effEditIdle, 0, 0, 0, 0);
}
//-------------------------------------------------------------------------------------------------------
pascal OSStatus windowHandler (EventHandlerCallRef inHandlerCallRef, EventRef inEvent, void *inUserData)
{
OSStatus result = eventNotHandledErr;
WindowRef window = (WindowRef) inUserData;
UInt32 eventClass = GetEventClass (inEvent);
UInt32 eventKind = GetEventKind (inEvent);
switch (eventClass)
{
case kEventClassWindow:
{
switch (eventKind)
{
case kEventWindowClose:
{
QuitAppModalLoopForWindow (window);
break;
}
}
break;
}
}
return result;
}
#endif
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