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Diffstat (limited to 'vstgui.sf/vstgui/aeffguieditor.cpp')
| -rw-r--r-- | vstgui.sf/vstgui/aeffguieditor.cpp | 409 |
1 files changed, 409 insertions, 0 deletions
diff --git a/vstgui.sf/vstgui/aeffguieditor.cpp b/vstgui.sf/vstgui/aeffguieditor.cpp new file mode 100644 index 0000000..504a918 --- /dev/null +++ b/vstgui.sf/vstgui/aeffguieditor.cpp @@ -0,0 +1,409 @@ +//----------------------------------------------------------------------------- +// VST Plug-Ins SDK +// VSTGUI: Graphical User Interface Framework for VST plugins +// +// Version 3.0 Date : 30/06/04 +// +//----------------------------------------------------------------------------- +// +//----------------------------------------------------------------------------- +// VSTGUI LICENSE +// © 2004, Steinberg Media Technologies, All Rights Reserved +//----------------------------------------------------------------------------- +// Redistribution and use in source and binary forms, with or without modification, +// are permitted provided that the following conditions are met: +// +// * Redistributions of source code must retain the above copyright notice, +// this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above copyright notice, +// this list of conditions and the following disclaimer in the documentation +// and/or other materials provided with the distribution. +// * Neither the name of the Steinberg Media Technologies nor the names of its +// contributors may be used to endorse or promote products derived from this +// software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND +// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +// IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, +// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, +// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE +// OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED +// OF THE POSSIBILITY OF SUCH DAMAGE. +//----------------------------------------------------------------------------- + +#ifndef __aeffguieditor__ +#include "aeffguieditor.h" +#endif + +//----------------------------------------------------------------------------- +#define kIdleRate 100 // host idle rate in ms +#define kIdleRate2 50 +#define kIdleRateMin 4 // minimum time between 2 idles in ms + +#if MOTIF +static unsigned int _getTicks (); +#endif + +//----------------------------------------------------------------------------- +VstInt32 AEffGUIEditor::knobMode = kCircularMode; + +//----------------------------------------------------------------------------- +// AEffGUIEditor Implementation +//----------------------------------------------------------------------------- +AEffGUIEditor::AEffGUIEditor (AudioEffect* effect) +: AEffEditor (effect), + lLastTicks (0), + inIdleStuff (false), + frame (0) +{ + rect.left = rect.top = rect.right = rect.bottom = 0; + lLastTicks = getTicks (); + + effect->setEditor (this); + + #if WINDOWS + OleInitialize (0); + #endif + + #if MACX + void InitMachOLibrary (); + InitMachOLibrary (); + #endif +} + +//----------------------------------------------------------------------------- +AEffGUIEditor::~AEffGUIEditor () +{ + #if WINDOWS + OleUninitialize (); + #endif + + #if MACX + void ExitMachOLibrary (); + ExitMachOLibrary (); + #endif +} + +//----------------------------------------------------------------------------- +void AEffGUIEditor::setParameter (VstInt32 index, float value) +{} + +//----------------------------------------------------------------------------- +void AEffGUIEditor::beginEdit (VstInt32 index) +{ + ((AudioEffectX*)effect)->beginEdit (index); +} + +//----------------------------------------------------------------------------- +void AEffGUIEditor::endEdit (VstInt32 index) +{ + ((AudioEffectX*)effect)->endEdit (index); +} + +//----------------------------------------------------------------------------- +#if VST_2_1_EXTENSIONS +bool AEffGUIEditor::onKeyDown (VstKeyCode& keyCode) +{ + return frame && frame->onKeyDown (keyCode) == 1 ? true : false; +} + +//----------------------------------------------------------------------------- +bool AEffGUIEditor::onKeyUp (VstKeyCode& keyCode) +{ + return frame && frame->onKeyUp (keyCode) == 1 ? true : false; +} + +//----------------------------------------------------------------------------- +bool AEffGUIEditor::setKnobMode (VstInt32 val) +{ + knobMode = val; + return true; +} + +//----------------------------------------------------------------------------- +bool AEffGUIEditor::onWheel (float distance) +{ + if (frame) + { + CDrawContext context (frame, NULL, systemWindow); + CPoint where; + context.getMouseLocation (where); + return frame->onWheel (&context, where, distance); + } + return false; +} +#endif + +//----------------------------------------------------------------------------- +#if MAC +void AEffGUIEditor::DECLARE_VST_DEPRECATED (draw) (ERect* rect) +{ + if (frame) + { + if (rect) + { + CRect r (rect->left, rect->top, rect->right, rect->bottom); + CDrawContext context (frame, NULL, systemWindow); + frame->drawRect (&context, r); + } + else + frame->draw (); + } +} + +//----------------------------------------------------------------------------- +VstInt32 AEffGUIEditor::DECLARE_VST_DEPRECATED (mouse) (VstInt32 x, VstInt32 y) +{ + CDrawContext context (frame, NULL, systemWindow); + CPoint where (x, y); + + if (frame) + frame->mouse (&context, where); + + return 1; +} +#endif + +//----------------------------------------------------------------------------- +bool AEffGUIEditor::getRect (ERect **ppErect) +{ + *ppErect = ▭ + return true; +} + +//----------------------------------------------------------------------------- +void AEffGUIEditor::idle () +{ +#if MAC && !QUARTZ + GrafPtr savePort; + GetPort (&savePort); + SetPort ((GrafPtr)GetWindowPort ((WindowRef)systemWindow)); + + AEffEditor::idle (); + if (frame) + frame->idle (); + + SetPort (savePort); +#else + + #if BEOS + PlugView *plugView = 0; + if (frame) + { + plugView = (PlugView *) frame->getSystemWindow (); + if (plugView->LockLooperWithTimeout (0) != B_OK) + return; + } + #else + if (inIdleStuff) + return; + #endif + + AEffEditor::idle (); + if (frame) + frame->idle (); + + #if BEOS + if (frame) + plugView->UnlockLooper (); + #endif +#endif +} + +//----------------------------------------------------------------------------- +void AEffGUIEditor::wait (unsigned int ms) +{ + #if MAC + unsigned long ticks; + Delay (ms * 60 / 1000, &ticks); + + #elif WINDOWS + Sleep (ms); + + #elif SGI + struct timespec sleeptime = {0, ms * 1000000}; + nanosleep (&sleeptime, NULL); + + #elif BEOS + snooze (ms * 1000); + #endif +} + +//----------------------------------------------------------------------------- +unsigned int AEffGUIEditor::getTicks () +{ + #if MAC + return (TickCount () * 1000) / 60; + + #elif WINDOWS + return (unsigned int)GetTickCount (); + + #elif MOTIF + return _getTicks (); + + #elif BEOS + return (system_time () / 1000); + #endif + + return 0; +} + +//----------------------------------------------------------------------------- +void AEffGUIEditor::doIdleStuff () +{ + #if !(MAC && !TARGET_API_MAC_CARBON) + // get the current time + unsigned int currentTicks = getTicks (); + + // YG TEST idle (); + if (currentTicks < lLastTicks) + { + #if (MAC && TARGET_API_MAC_CARBON) + RunCurrentEventLoop (kEventDurationMillisecond * kIdleRateMin); + #else + wait (kIdleRateMin); + #endif + currentTicks += kIdleRateMin; + if (currentTicks < lLastTicks - kIdleRate2) + return; + } + + idle (); + + #if WINDOWS + MSG windowsMessage; + if (PeekMessage (&windowsMessage, NULL, WM_PAINT, WM_PAINT, PM_REMOVE)) + DispatchMessage (&windowsMessage); + + #elif MACX + EventRef event; + EventTypeSpec eventTypes[] = { {kEventClassWindow, kEventWindowUpdate}, {kEventClassWindow, kEventWindowDrawContent} }; + if (ReceiveNextEvent (GetEventTypeCount (eventTypes), eventTypes, kEventDurationNoWait, true, &event) == noErr) + { + SendEventToEventTarget (event, GetEventDispatcherTarget ()); + ReleaseEvent (event); + } + #endif + + // save the next time + lLastTicks = currentTicks + kIdleRate; + #endif + + inIdleStuff = true; + + #if !BEOS + if (effect) + effect->masterIdle (); + #endif + + inIdleStuff = false; +} + + +#if MOTIF +//----------------------------------------------------------------------------- +unsigned int _getTicks () +{ + #if SGI + long long time; + syssgi (SGI_GET_UST, &time, 0); + return time / 1000000; + + #elif SUN + hrtime_t nanosecs = gethrtime (); + return (unsigned long long)nanosecs / 1000000UL; + + #elif LINUX + // gettimeofday is not what we need here, checkout API for hw time + struct timeval tv; + struct timezone tz; + gettimeofday (&tv, &tz); + return tv.tv_sec * 1000 + tv.tv_usec / 1000; + #endif +} +#endif +#if MACX +// ----------------------------------------------------------------------------- +// ----------------------------------------------------------------------------- +extern "C" { +#include <mach-o/dyld.h> +#include <mach-o/ldsyms.h> +} +#include <CoreFoundation/CFBundle.h> + +BEGIN_NAMESPACE_VSTGUI + +void* gBundleRef = 0; + +END_NAMESPACE_VSTGUI + +#if USE_NAMESPACE +#define VSTGUI_BUNDLEREF VSTGUI::gBundleRef +#else +#define VSTGUI_BUNDLEREF gBundleRef +#endif + +// ----------------------------------------------------------------------------- +static CFBundleRef _CFXBundleCreateFromImageName (CFAllocatorRef allocator, const char* image_name); +static CFBundleRef _CFXBundleCreateFromImageName (CFAllocatorRef allocator, const char* image_name) +{ + CFURLRef myBundleExecutableURL = CFURLCreateFromFileSystemRepresentation (allocator, (const unsigned char*)image_name, strlen (image_name), false); + if (myBundleExecutableURL == 0) + return 0; + + CFURLRef myBundleContentsMacOSURL = CFURLCreateCopyDeletingLastPathComponent (allocator, myBundleExecutableURL); // Delete Versions/Current/Executable + CFRelease (myBundleExecutableURL); + if (myBundleContentsMacOSURL == 0) + return 0; + + CFURLRef myBundleContentsURL = CFURLCreateCopyDeletingLastPathComponent (allocator, myBundleContentsMacOSURL); // Delete Current + CFRelease (myBundleContentsMacOSURL); + if (myBundleContentsURL == 0) + return 0; + + CFURLRef theBundleURL = CFURLCreateCopyDeletingLastPathComponent (allocator, myBundleContentsURL); // Delete Versions + CFRelease (myBundleContentsURL); + if (theBundleURL == 0) + return 0; + + CFBundleRef result = CFBundleCreate (allocator, theBundleURL); + CFRelease (theBundleURL); + + return result; +} + +// ----------------------------------------------------------------------------- +void InitMachOLibrary (); +void InitMachOLibrary () +{ + const mach_header* header = &_mh_bundle_header; + + const char* imagename = 0; + /* determine the image name, TODO: ther have to be a better way */ + int cnt = _dyld_image_count(); + for (int idx1 = 1; idx1 < cnt; idx1++) + { + if (_dyld_get_image_header(idx1) == header) + { + imagename = _dyld_get_image_name(idx1); + break; + } + } + if (imagename == 0) + return; + /* get the bundle of a header, TODO: ther have to be a better way */ + VSTGUI_BUNDLEREF = (void*)_CFXBundleCreateFromImageName (NULL, imagename); +} + +// ----------------------------------------------------------------------------- +void ExitMachOLibrary (); +void ExitMachOLibrary () +{ + if (VSTGUI_BUNDLEREF) + CFRelease (VSTGUI_BUNDLEREF); +} + +#endif |