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livetrax/gtk2_ardour/au_pluginui.mm
Paul Davis 5b6721f657 potential fix for AU GUIs resizing (not yet tested)
git-svn-id: svn://localhost/ardour2/branches/3.0@12035 d708f5d6-7413-0410-9779-e7cbd77b26cf
2012-04-19 20:11:15 +00:00

741 lines
18 KiB
Plaintext

#include <gtkmm/stock.h>
#undef Marker
#define Marker FuckYouAppleAndYourLackOfNameSpaces
#include "pbd/convert.h"
#include "pbd/error.h"
#include "ardour/audio_unit.h"
#include "ardour/debug.h"
#include "ardour/plugin_insert.h"
#undef check // stupid gtk, stupid apple
#include <gtkmm/button.h>
#include <gdk/gdkquartz.h>
#include <gtkmm2ext/utils.h>
#include "au_pluginui.h"
#include "gui_thread.h"
#include "appleutility/CAAudioUnit.h"
#include "appleutility/CAComponent.h"
#import <AudioUnit/AUCocoaUIView.h>
#import <CoreAudioKit/AUGenericView.h>
#undef Marker
#include "keyboard.h"
#include "utils.h"
#include "public_editor.h"
#include "i18n.h"
using namespace ARDOUR;
using namespace Gtk;
using namespace Gtkmm2ext;
using namespace sigc;
using namespace std;
using namespace PBD;
vector<string> AUPluginUI::automation_mode_strings;
static const gchar* _automation_mode_strings[] = {
X_("Manual"),
X_("Play"),
X_("Write"),
X_("Touch"),
0
};
@implementation NotificationObject
- (NotificationObject*) initWithPluginUI: (AUPluginUI*) apluginui andCocoaParent: (NSWindow*) cp andTopLevelParent: (NSWindow*) tlp
{
self = [ super init ];
if (self) {
plugin_ui = apluginui;
cocoa_parent = cp;
top_level_parent = tlp;
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(cocoaParentActivationHandler:)
name:NSWindowDidBecomeMainNotification
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(cocoaParentBecameKeyHandler:)
name:NSWindowDidBecomeKeyNotification
object:nil];
}
return self;
}
- (void)cocoaParentActivationHandler:(NSNotification *)notification
{
NSWindow* notification_window = (NSWindow *)[notification object];
if (top_level_parent == notification_window || cocoa_parent == notification_window) {
if ([notification_window isMainWindow]) {
plugin_ui->activate();
} else {
plugin_ui->deactivate();
}
}
}
- (void)cocoaParentBecameKeyHandler:(NSNotification *)notification
{
NSWindow* notification_window = (NSWindow *)[notification object];
if (top_level_parent == notification_window || cocoa_parent == notification_window) {
if ([notification_window isKeyWindow]) {
plugin_ui->activate();
} else {
plugin_ui->deactivate();
}
}
}
- (void)auViewResized:(NSNotification *)notification;
{
(void) notification;
plugin_ui->cocoa_view_resized();
}
@end
AUPluginUI::AUPluginUI (boost::shared_ptr<PluginInsert> insert)
: PlugUIBase (insert)
, automation_mode_label (_("Automation"))
, preset_label (_("Presets"))
{
if (automation_mode_strings.empty()) {
automation_mode_strings = I18N (_automation_mode_strings);
}
set_popdown_strings (automation_mode_selector, automation_mode_strings);
automation_mode_selector.set_active_text (automation_mode_strings.front());
if ((au = boost::dynamic_pointer_cast<AUPlugin> (insert->plugin())) == 0) {
error << _("unknown type of editor-supplying plugin (note: no AudioUnit support in this version of ardour)") << endmsg;
throw failed_constructor ();
}
/* stuff some stuff into the top of the window */
HBox* smaller_hbox = manage (new HBox);
smaller_hbox->set_spacing (6);
smaller_hbox->pack_start (preset_label, false, false, 4);
smaller_hbox->pack_start (_preset_combo, false, false);
smaller_hbox->pack_start (save_button, false, false);
#if 0
/* one day these might be useful with an AU plugin, but not yet */
smaller_hbox->pack_start (automation_mode_label, false, false);
smaller_hbox->pack_start (automation_mode_selector, false, false);
#endif
smaller_hbox->pack_start (bypass_button, false, true);
VBox* v1_box = manage (new VBox);
VBox* v2_box = manage (new VBox);
v1_box->pack_start (*smaller_hbox, false, true);
v2_box->pack_start (focus_button, false, true);
top_box.set_homogeneous (false);
top_box.set_spacing (6);
top_box.set_border_width (6);
top_box.pack_end (*v2_box, false, false);
top_box.pack_end (*v1_box, false, false);
set_spacing (6);
pack_start (top_box, false, false);
pack_start (low_box, false, false);
preset_label.show ();
_preset_combo.show ();
automation_mode_label.show ();
automation_mode_selector.show ();
bypass_button.show ();
top_box.show ();
low_box.show ();
_activating_from_app = false;
cocoa_parent = 0;
_notify = 0;
cocoa_window = 0;
carbon_window = 0;
au_view = 0;
editView = 0;
/* prefer cocoa, fall back to cocoa, but use carbon if its there */
if (test_cocoa_view_support()) {
create_cocoa_view ();
#ifdef WITH_CARBON
} else if (test_carbon_view_support()) {
create_carbon_view ();
#endif
} else {
create_cocoa_view ();
}
low_box.signal_realize().connect (mem_fun (this, &AUPluginUI::lower_box_realized));
}
AUPluginUI::~AUPluginUI ()
{
if (cocoa_parent) {
NSWindow* win = get_nswindow();
[[NSNotificationCenter defaultCenter] removeObserver:_notify];
[win removeChildWindow:cocoa_parent];
}
#ifdef WITH_CARBON
if (carbon_window) {
/* not parented, just overlaid on top of our window */
DisposeWindow (carbon_window);
}
#endif
if (editView) {
CloseComponent (editView);
}
if (au_view) {
/* remove whatever we packed into low_box so that GTK doesn't
mess with it.
*/
[au_view removeFromSuperview];
}
}
bool
AUPluginUI::test_carbon_view_support ()
{
bool ret = false;
carbon_descriptor.componentType = kAudioUnitCarbonViewComponentType;
carbon_descriptor.componentSubType = 'gnrc';
carbon_descriptor.componentManufacturer = 'appl';
carbon_descriptor.componentFlags = 0;
carbon_descriptor.componentFlagsMask = 0;
OSStatus err;
// ask the AU for its first editor component
UInt32 propertySize;
err = AudioUnitGetPropertyInfo(*au->get_au(), kAudioUnitProperty_GetUIComponentList, kAudioUnitScope_Global, 0, &propertySize, NULL);
if (!err) {
int nEditors = propertySize / sizeof(ComponentDescription);
ComponentDescription *editors = new ComponentDescription[nEditors];
err = AudioUnitGetProperty(*au->get_au(), kAudioUnitProperty_GetUIComponentList, kAudioUnitScope_Global, 0, editors, &propertySize);
if (!err) {
// just pick the first one for now
carbon_descriptor = editors[0];
ret = true;
}
delete[] editors;
}
return ret;
}
bool
AUPluginUI::test_cocoa_view_support ()
{
UInt32 dataSize = 0;
Boolean isWritable = 0;
OSStatus err = AudioUnitGetPropertyInfo(*au->get_au(),
kAudioUnitProperty_CocoaUI, kAudioUnitScope_Global,
0, &dataSize, &isWritable);
return dataSize > 0 && err == noErr;
}
bool
AUPluginUI::plugin_class_valid (Class pluginClass)
{
if([pluginClass conformsToProtocol: @protocol(AUCocoaUIBase)]) {
if([pluginClass instancesRespondToSelector: @selector(interfaceVersion)] &&
[pluginClass instancesRespondToSelector: @selector(uiViewForAudioUnit:withSize:)]) {
return true;
}
}
return false;
}
int
AUPluginUI::create_cocoa_view ()
{
BOOL wasAbleToLoadCustomView = NO;
AudioUnitCocoaViewInfo* cocoaViewInfo = NULL;
UInt32 numberOfClasses = 0;
UInt32 dataSize;
Boolean isWritable;
NSString* factoryClassName = 0;
NSURL* CocoaViewBundlePath = NULL;
OSStatus result = AudioUnitGetPropertyInfo (*au->get_au(),
kAudioUnitProperty_CocoaUI,
kAudioUnitScope_Global,
0,
&dataSize,
&isWritable );
numberOfClasses = (dataSize - sizeof(CFURLRef)) / sizeof(CFStringRef);
// Does view have custom Cocoa UI?
if ((result == noErr) && (numberOfClasses > 0) ) {
DEBUG_TRACE(DEBUG::AudioUnits,
string_compose ( "based on %1, there are %2 cocoa UI classes\n", dataSize, numberOfClasses));
cocoaViewInfo = (AudioUnitCocoaViewInfo *)malloc(dataSize);
if(AudioUnitGetProperty(*au->get_au(),
kAudioUnitProperty_CocoaUI,
kAudioUnitScope_Global,
0,
cocoaViewInfo,
&dataSize) == noErr) {
CocoaViewBundlePath = (NSURL *)cocoaViewInfo->mCocoaAUViewBundleLocation;
// we only take the first view in this example.
factoryClassName = (NSString *)cocoaViewInfo->mCocoaAUViewClass[0];
DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("the factory name is %1 bundle is %2\n",
factoryClassName, CocoaViewBundlePath));
} else {
DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("No cocoaUI property cocoaViewInfo = %1\n", cocoaViewInfo));
if (cocoaViewInfo != NULL) {
free (cocoaViewInfo);
cocoaViewInfo = NULL;
}
}
}
NSRect crect = { { 0, 0 }, { 1, 1} };
// [A] Show custom UI if view has it
if (CocoaViewBundlePath && factoryClassName) {
NSBundle *viewBundle = [NSBundle bundleWithPath:[CocoaViewBundlePath path]];
DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("tried to create bundle, result = %1\n", viewBundle));
if (viewBundle == nil) {
error << _("AUPluginUI: error loading AU view's bundle") << endmsg;
return -1;
} else {
Class factoryClass = [viewBundle classNamed:factoryClassName];
DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("tried to create factory class, result = %1\n", factoryClass));
if (!factoryClass) {
error << _("AUPluginUI: error getting AU view's factory class from bundle") << endmsg;
return -1;
}
// make sure 'factoryClass' implements the AUCocoaUIBase protocol
if (!plugin_class_valid (factoryClass)) {
error << _("AUPluginUI: U view's factory class does not properly implement the AUCocoaUIBase protocol") << endmsg;
return -1;
}
// make a factory
id factoryInstance = [[[factoryClass alloc] init] autorelease];
if (factoryInstance == nil) {
error << _("AUPluginUI: Could not create an instance of the AU view factory") << endmsg;
return -1;
}
DEBUG_TRACE (DEBUG::AudioUnits, "got a factory instance\n");
// make a view
au_view = [factoryInstance uiViewForAudioUnit:*au->get_au() withSize:crect.size];
DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("view created @ %1\n", au_view));
// cleanup
[CocoaViewBundlePath release];
if (cocoaViewInfo) {
UInt32 i;
for (i = 0; i < numberOfClasses; i++)
CFRelease(cocoaViewInfo->mCocoaAUViewClass[i]);
free (cocoaViewInfo);
}
wasAbleToLoadCustomView = YES;
}
}
if (!wasAbleToLoadCustomView) {
// load generic Cocoa view
DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("Loading generic view using %1 -> %2\n", au,
au->get_au()));
au_view = [[AUGenericView alloc] initWithAudioUnit:*au->get_au()];
DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("view created @ %1\n", au_view));
[(AUGenericView *)au_view setShowsExpertParameters:YES];
}
// watch for size changes of the view
[[NSNotificationCenter defaultCenter] addObserver:_notify
selector:@selector(auViewResized:) name:NSViewBoundsDidChangeNotification
object:au_view];
[[NSNotificationCenter defaultCenter] addObserver:_notify
selector:@selector(auViewResized:) name:NSViewFrameDidChangeNotification
object:au_view];
// Get the size of the new AU View's frame
NSRect packFrame;
packFrame = [au_view frame];
prefwidth = packFrame.size.width;
prefheight = packFrame.size.height;
low_box.set_size_request (prefwidth, prefheight);
return 0;
}
void
AUPluginUI::cocoa_view_resized ()
{
NSRect packFrame = [au_view frame];
prefwidth = packFrame.size.width;
prefheight = packFrame.size.height;
low_box.set_size_request (prefwidth, prefheight);
}
int
AUPluginUI::create_carbon_view ()
{
#ifdef WITH_CARBON
OSStatus err;
ControlRef root_control;
Component editComponent = FindNextComponent(NULL, &carbon_descriptor);
OpenAComponent(editComponent, &editView);
if (!editView) {
error << _("AU Carbon view: cannot open AU Component") << endmsg;
return -1;
}
Rect r = { 100, 100, 100, 100 };
WindowAttributes attr = WindowAttributes (kWindowStandardHandlerAttribute |
kWindowCompositingAttribute|
kWindowNoShadowAttribute|
kWindowNoTitleBarAttribute);
if ((err = CreateNewWindow(kDocumentWindowClass, attr, &r, &carbon_window)) != noErr) {
error << string_compose (_("AUPluginUI: cannot create carbon window (err: %1)"), err) << endmsg;
CloseComponent (editView);
return -1;
}
if ((err = GetRootControl(carbon_window, &root_control)) != noErr) {
error << string_compose (_("AUPlugin: cannot get root control of carbon window (err: %1)"), err) << endmsg;
DisposeWindow (carbon_window);
CloseComponent (editView);
return -1;
}
ControlRef viewPane;
Float32Point location = { 0.0, 0.0 };
Float32Point size = { 0.0, 0.0 } ;
if ((err = AudioUnitCarbonViewCreate (editView, *au->get_au(), carbon_window, root_control, &location, &size, &viewPane)) != noErr) {
error << string_compose (_("AUPluginUI: cannot create carbon plugin view (err: %1)"), err) << endmsg;
DisposeWindow (carbon_window);
CloseComponent (editView);
return -1;
}
// resize window
Rect bounds;
GetControlBounds(viewPane, &bounds);
size.x = bounds.right-bounds.left;
size.y = bounds.bottom-bounds.top;
prefwidth = (int) (size.x + 0.5);
prefheight = (int) (size.y + 0.5);
SizeWindow (carbon_window, prefwidth, prefheight, true);
low_box.set_size_request (prefwidth, prefheight);
return 0;
#else
error << _("AU Carbon GUI is not supported.") << endmsg;
return -1;
#endif
}
NSWindow*
AUPluginUI::get_nswindow ()
{
Gtk::Container* toplevel = get_toplevel();
if (!toplevel || !toplevel->is_toplevel()) {
error << _("AUPluginUI: no top level window!") << endmsg;
return 0;
}
NSWindow* true_parent = gdk_quartz_window_get_nswindow (toplevel->get_window()->gobj());
if (!true_parent) {
error << _("AUPluginUI: no top level window!") << endmsg;
return 0;
}
return true_parent;
}
void
AUPluginUI::activate ()
{
#ifdef WITH_CARBON
ActivateWindow (carbon_window, TRUE);
#endif
// [cocoa_parent makeKeyAndOrderFront:nil];
}
void
AUPluginUI::deactivate ()
{
#ifdef WITH_CARBON
ActivateWindow (carbon_window, FALSE);
#endif
}
int
AUPluginUI::parent_carbon_window ()
{
#ifdef WITH_CARBON
NSWindow* win = get_nswindow ();
int x, y;
if (!win) {
return -1;
}
Gtk::Container* toplevel = get_toplevel();
if (!toplevel || !toplevel->is_toplevel()) {
error << _("AUPluginUI: no top level window!") << endmsg;
return -1;
}
toplevel->get_window()->get_root_origin (x, y);
/* compute how tall the title bar is, because we have to offset the position of the carbon window
by that much.
*/
NSRect content_frame = [NSWindow contentRectForFrameRect:[win frame] styleMask:[win styleMask]];
NSRect wm_frame = [NSWindow frameRectForContentRect:content_frame styleMask:[win styleMask]];
int titlebar_height = wm_frame.size.height - content_frame.size.height;
int packing_extra = 6; // this is the total vertical packing in our top level window
MoveWindow (carbon_window, x, y + titlebar_height + top_box.get_height() + packing_extra, false);
ShowWindow (carbon_window);
// create the cocoa window for the carbon one and make it visible
cocoa_parent = [[NSWindow alloc] initWithWindowRef: carbon_window];
SetWindowActivationScope (carbon_window, kWindowActivationScopeNone);
_notify = [ [NotificationObject alloc] initWithPluginUI:this andCocoaParent:cocoa_parent andTopLevelParent:win ];
[win addChildWindow:cocoa_parent ordered:NSWindowAbove];
return 0;
#else
return -1;
#endif
}
int
AUPluginUI::parent_cocoa_window ()
{
NSWindow* win = get_nswindow ();
if (!win) {
return -1;
}
[win setAutodisplay:YES]; // turn of GTK stuff for this window
Gtk::Container* toplevel = get_toplevel();
if (!toplevel || !toplevel->is_toplevel()) {
error << _("AUPluginUI: no top level window!") << endmsg;
return -1;
}
NSView* view = gdk_quartz_window_get_nsview (get_toplevel()->get_window()->gobj());
GtkRequisition a = top_box.size_request ();
/* move the au_view down so that it doesn't overlap the top_box contents */
NSPoint origin = { 0, a.height };
[au_view setFrameOrigin:origin];
[view addSubview:au_view];
return 0;
}
static void
dump_view_tree (NSView* view, int depth)
{
NSArray* subviews = [view subviews];
unsigned long cnt = [subviews count];
for (int d = 0; d < depth; d++) {
cerr << '\t';
}
cerr << " view @ " << view << endl;
for (unsigned long i = 0; i < cnt; ++i) {
NSView* subview = [subviews objectAtIndex:i];
dump_view_tree (subview, depth+1);
}
}
void
AUPluginUI::forward_key_event (GdkEventKey* ev)
{
NSEvent* nsevent = gdk_quartz_event_get_nsevent ((GdkEvent*)ev);
if (au_view && nsevent) {
/* filter on nsevent type here because GDK massages FlagsChanged
messages into GDK_KEY_{PRESS,RELEASE} but Cocoa won't
handle a FlagsChanged message as a keyDown or keyUp
*/
if ([nsevent type] == NSKeyDown) {
[[[au_view window] firstResponder] keyDown:nsevent];
} else if ([nsevent type] == NSKeyUp) {
[[[au_view window] firstResponder] keyUp:nsevent];
} else if ([nsevent type] == NSFlagsChanged) {
[[[au_view window] firstResponder] flagsChanged:nsevent];
}
}
}
void
AUPluginUI::on_realize ()
{
VBox::on_realize ();
/* our windows should not have that resize indicator */
NSWindow* win = get_nswindow ();
if (win) {
[win setShowsResizeIndicator:NO];
}
}
void
AUPluginUI::lower_box_realized ()
{
if (au_view) {
parent_cocoa_window ();
} else if (carbon_window) {
parent_carbon_window ();
}
}
bool
AUPluginUI::on_map_event (GdkEventAny*)
{
return false;
}
void
AUPluginUI::on_window_hide ()
{
#ifdef WITH_CARBON
if (carbon_window) {
HideWindow (carbon_window);
ActivateWindow (carbon_window, FALSE);
}
#endif
hide_all ();
}
bool
AUPluginUI::on_window_show (const string& /*title*/)
{
/* this is idempotent so just call it every time we show the window */
gtk_widget_realize (GTK_WIDGET(low_box.gobj()));
show_all ();
#ifdef WITH_CARBON
if (carbon_window) {
ShowWindow (carbon_window);
ActivateWindow (carbon_window, TRUE);
}
#endif
return true;
}
bool
AUPluginUI::start_updating (GdkEventAny*)
{
return false;
}
bool
AUPluginUI::stop_updating (GdkEventAny*)
{
return false;
}
PlugUIBase*
create_au_gui (boost::shared_ptr<PluginInsert> plugin_insert, VBox** box)
{
AUPluginUI* aup = new AUPluginUI (plugin_insert);
(*box) = aup;
return aup;
}
bool
AUPluginUI::on_focus_in_event (GdkEventFocus*)
{
//cerr << "au plugin focus in\n";
//Keyboard::magic_widget_grab_focus ();
return false;
}
bool
AUPluginUI::on_focus_out_event (GdkEventFocus*)
{
//cerr << "au plugin focus out\n";
//Keyboard::magic_widget_drop_focus ();
return false;
}