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/*
* Copyright (C) 2016-2017 Robin Gareus <robin@gareus.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <gtkmm.h>
#include <gtk/gtk.h>
#include <gdk/gdkquartz.h>
#include "gui_thread.h"
#include "ardour/plugin_insert.h"
#include "ardour/mac_vst_plugin.h"
#include "ardour/vst_types.h"
#include "mac_vst_plugin_ui.h"
#include "pbd/i18n.h"
using namespace Gtk;
using namespace ARDOUR;
using namespace PBD;
struct ERect{
short top;
short left;
short bottom;
short right;
};
@implementation ResizeNotificationObject
- (ResizeNotificationObject*) initWithPluginUI: (MacVSTPluginUI*) vstui
{
self = [ super init ];
plugin_ui = vstui;
return self;
}
- (void)viewResized:(NSNotification *)notification
{
(void) notification; // unused
plugin_ui->view_resized();
}
@end
VSTPluginUI*
create_mac_vst_gui (boost::shared_ptr<PluginInsert> insert)
{
/* PluginUIWindow::create_mac_vst_editor assures this cast works */
boost::shared_ptr<MacVSTPlugin> mvst = boost::dynamic_pointer_cast<MacVSTPlugin> (insert->plugin());
return new MacVSTPluginUI (insert, mvst);
}
MacVSTPluginUI::MacVSTPluginUI (boost::shared_ptr<PluginInsert> pi, boost::shared_ptr<VSTPlugin> vst)
: VSTPluginUI (pi, vst)
, _ns_view (0)
{
low_box.add_events (Gdk::VISIBILITY_NOTIFY_MASK | Gdk::EXPOSURE_MASK);
low_box.signal_realize().connect (mem_fun (this, &MacVSTPluginUI::lower_box_realized));
low_box.signal_visibility_notify_event ().connect (mem_fun (this, &MacVSTPluginUI::lower_box_visibility_notify));
low_box.signal_size_request ().connect (mem_fun (this, &MacVSTPluginUI::lower_box_size_request));
low_box.signal_size_allocate ().connect (mem_fun (this, &MacVSTPluginUI::lower_box_size_allocate));
low_box.signal_map ().connect (mem_fun (this, &MacVSTPluginUI::lower_box_map));
low_box.signal_unmap ().connect (mem_fun (this, &MacVSTPluginUI::lower_box_unmap));
pack_start (low_box, true, true);
low_box.show ();
vst->LoadPresetProgram.connect (_program_connection, invalidator (*this), boost::bind (&MacVSTPluginUI::set_program, this), gui_context());
_ns_view = [[NSView new] retain];
AEffect* plugin = _vst->state()->plugin;
plugin->dispatcher (plugin, effEditOpen, 0, 0, _ns_view, 0.0f);
_idle_connection = Glib::signal_idle().connect (sigc::mem_fun (*this, &MacVSTPluginUI::idle));
_resize_notifier = [[ResizeNotificationObject alloc] initWithPluginUI:this];
[[NSNotificationCenter defaultCenter] addObserver:_resize_notifier
selector:@selector(viewResized:) name:NSViewFrameDidChangeNotification
object:_ns_view];
NSArray* subviews = [_ns_view subviews];
assert ([subviews count] < 2);
for (unsigned long i = 0; i < [subviews count]; ++i) {
NSView* subview = [subviews objectAtIndex:i];
[[NSNotificationCenter defaultCenter] addObserver:_resize_notifier
selector:@selector(viewResized:) name:NSViewFrameDidChangeNotification
object:subview];
}
}
MacVSTPluginUI::~MacVSTPluginUI ()
{
[[NSNotificationCenter defaultCenter] removeObserver:_resize_notifier];
[_resize_notifier release];
[_ns_view removeFromSuperview];
[_ns_view release];
AEffect* plugin = _vst->state()->plugin;
plugin->dispatcher (plugin, effEditClose, 0, 0, 0, 0.0f);
_idle_connection.disconnect();
}
NSWindow*
MacVSTPluginUI::get_nswindow ()
{
Gtk::Container* toplevel = get_toplevel();
if (!toplevel || !toplevel->is_toplevel()) {
error << _("MacVSTPluginUI: no top level window!") << endmsg;
return 0;
}
NSWindow* true_parent = gdk_quartz_window_get_nswindow (toplevel->get_window()->gobj());
if (!true_parent) {
error << _("MacVSTPluginUI: no top level window!") << endmsg;
return 0;
}
return true_parent;
}
int
MacVSTPluginUI::package (Gtk::Window& win)
{
VSTPluginUI::package (win);
return 0;
}
void
MacVSTPluginUI::forward_key_event (GdkEventKey* ev)
{
NSEvent* nsevent = gdk_quartz_event_get_nsevent ((GdkEvent*)ev);
if (_ns_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) {
[[[_ns_view window] firstResponder] keyDown:nsevent];
} else if ([nsevent type] == NSKeyUp) {
[[[_ns_view window] firstResponder] keyUp:nsevent];
} else if ([nsevent type] == NSFlagsChanged) {
[[[_ns_view window] firstResponder] flagsChanged:nsevent];
}
}
}
void
MacVSTPluginUI::lower_box_realized ()
{
NSWindow* win = get_nswindow ();
if (!win) {
return;
}
[win setAutodisplay:1]; // turn off GTK stuff for this window
NSView* view = gdk_quartz_window_get_nsview (low_box.get_window()->gobj());
[view addSubview:_ns_view];
low_box.queue_resize ();
}
bool
MacVSTPluginUI::lower_box_visibility_notify (GdkEventVisibility* ev)
{
return false;
}
void
MacVSTPluginUI::lower_box_map ()
{
[_ns_view setHidden:0];
}
void
MacVSTPluginUI::lower_box_unmap ()
{
[_ns_view setHidden:1];
}
void
MacVSTPluginUI::lower_box_size_request (GtkRequisition* requisition)
{
struct ERect* er = NULL;
AEffect* plugin = _vst->state()->plugin;
plugin->dispatcher (plugin, effEditGetRect, 0, 0, &er, 0 );
if (er) {
requisition->width = er->right - er->left;
requisition->height = er->bottom - er->top;
} else {
requisition->width = 600;
requisition->height = 400;
}
}
void
MacVSTPluginUI::lower_box_size_allocate (Gtk::Allocation& allocation)
{
gint xx, yy;
gtk_widget_translate_coordinates(
GTK_WIDGET(low_box.gobj()),
GTK_WIDGET(low_box.get_parent()->gobj()),
8, 6, &xx, &yy);
[_ns_view setFrame:NSMakeRect (xx, yy, allocation.get_width (), allocation.get_height ())];
NSArray* subviews = [_ns_view subviews];
for (unsigned long i = 0; i < [subviews count]; ++i) {
NSView* subview = [subviews objectAtIndex:i];
[subview setFrame:NSMakeRect (0, 0, allocation.get_width (), allocation.get_height ())];
}
}
void
MacVSTPluginUI::view_resized ()
{
low_box.queue_resize ();
}
int
MacVSTPluginUI::get_XID ()
{
return _vst->state()->xid; // unused
}
bool
MacVSTPluginUI::idle ()
{
AEffect* plugin = _vst->state()->plugin;
_vst->state()->wantIdle = plugin->dispatcher (plugin, effEditIdle, 0, 0, NULL, 0);
return true; // _vst->state()->wantIdle;
}
void
MacVSTPluginUI::set_program ()
{
vststate_maybe_set_program (_vst->state());
}
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