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livetrax/gtk2_ardour/vst3_nsview_plugin_ui.mm

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/*
* Copyright (C) 2020 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.
*/
#ifdef WAF_BUILD
#include "gtk2ardour-config.h"
#endif
#include <gtkmm.h>
#include <gtk/gtk.h>
#include <gdk/gdkquartz.h>
#include "pbd/convert.h"
#include "pbd/error.h"
#include "pbd/unwind.h"
#include "ardour/plug_insert_base.h"
#include "ardour/vst3_plugin.h"
#include "gtkmm2ext/gui_thread.h"
#include "gui_thread.h"
#include "vst3_nsview_plugin_ui.h"
#include "pbd/i18n.h"
using namespace PBD;
using namespace ARDOUR;
using namespace Steinberg;
VST3PluginUI*
create_mac_vst3_gui (std::shared_ptr<PlugInsertBase> pib, Gtk::VBox** box)
{
VST3NSViewPluginUI* v = new VST3NSViewPluginUI (pib, std::dynamic_pointer_cast<VST3Plugin> (pib->plugin()));
*box = v;
return v;
}
VST3NSViewPluginUI::VST3NSViewPluginUI (std::shared_ptr<PlugInsertBase> pib, std::shared_ptr<VST3Plugin> vst3)
: VST3PluginUI (pib, vst3)
{
pack_start (_gui_widget, true, true);
_gui_widget.add_events (Gdk::VISIBILITY_NOTIFY_MASK | Gdk::EXPOSURE_MASK);
_gui_widget.signal_realize().connect (mem_fun (this, &VST3NSViewPluginUI::view_realized));
_gui_widget.signal_visibility_notify_event ().connect (mem_fun (this, &VST3NSViewPluginUI::view_visibility_notify));
_gui_widget.signal_size_request ().connect (mem_fun (this, &VST3NSViewPluginUI::view_size_request));
_gui_widget.signal_size_allocate ().connect (mem_fun (this, &VST3NSViewPluginUI::view_size_allocate));
_gui_widget.signal_map ().connect (mem_fun (this, &VST3NSViewPluginUI::view_map));
_gui_widget.signal_unmap ().connect (mem_fun (this, &VST3NSViewPluginUI::view_unmap));
_gui_widget.signal_scroll_event ().connect (sigc::mem_fun (*this, &VST3NSViewPluginUI::forward_scroll_event), false);
//vst->LoadPresetProgram.connect (_program_connection, invalidator (*this), boost::bind (&VST3NSViewPluginUI::set_program, this), gui_context());
_ns_view = [[NSView new] retain];
IPlugView* view = _vst3->view ();
if (!view) {
printf ("FAILED TO get view.\n");
return;
}
if (kResultOk != view->attached (reinterpret_cast<void*> (_ns_view), Steinberg::kPlatformTypeNSView)) {
printf ("FAILED TO ATTACH..\n");
}
ViewRect rect;
if (view->getSize (&rect) == kResultOk) {
_req_width = rect.right - rect.left;
_req_height = rect.bottom - rect.top;
}
_gui_widget.show ();
}
VST3NSViewPluginUI::~VST3NSViewPluginUI ()
{
assert (_view_realized);
_vst3->close_view ();
[_ns_view removeFromSuperview];
[_ns_view release];
}
void
VST3NSViewPluginUI::view_size_request (GtkRequisition* requisition)
{
requisition->width = _req_width + 8;
requisition->height = _req_height + 6;
}
void
VST3NSViewPluginUI::view_size_allocate (Gtk::Allocation& allocation)
{
IPlugView* view = _vst3->view ();
if (!view || !_view_realized) {
return;
}
gint xx = 0;
gint yy = 0;
gtk_widget_translate_coordinates(
GTK_WIDGET(_gui_widget.gobj()),
GTK_WIDGET(_gui_widget.get_parent()->gobj()),
0, 0, &xx, &yy);
PBD::Unwinder<bool> uw (_resize_in_progress, true);
ViewRect rect;
if (view->getSize (&rect) == kResultOk
&& !(rect.right - rect.left == allocation.get_width () && rect.bottom - rect.top == allocation.get_height () && rect.left == xx && rect.top == yy))
{
rect.left = xx;
rect.top = yy;
rect.right = rect.left + allocation.get_width ();
rect.bottom = rect.top + allocation.get_height ();
#if 0
if (view->checkSizeConstraint (&rect) != kResultTrue) {
view->getSize (&rect);
}
allocation.set_width (rect.right - rect.left);
allocation.set_height (rect.bottom - rect.top);
#endif
bool can_resize = true;
#if 1 // quirks
/* Reason reports canResize() == kResultTrue, but crashes in onSize()
* reported to reasonstudios.com on 2020-11-19 */
if (_vst3->unique_id() == "D75F65D1581F203A8D793B3C01583323" /* Reason Rack Plugin */) can_resize = false;
if (_vst3->unique_id() == "C64E2730B0614A6EAEFC432F9CF6151A" /* Reason Rack Plugin Effect */) can_resize = false;
#endif
if (can_resize && view->canResize() == kResultTrue) {
view->onSize (&rect);
}
}
[_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 ())];
break; /* only resize first subview */
}
}
void
VST3NSViewPluginUI::resize_callback (int width, int height)
{
//printf ("VST3NSViewPluginUI::resize_callback %d x %d\n", width, height);
IPlugView* view = _vst3->view ();
if (!view || _resize_in_progress) {
return;
}
if (view->canResize() == kResultTrue) {
gint xx, yy;
if (gtk_widget_translate_coordinates (
GTK_WIDGET(_gui_widget.gobj()),
GTK_WIDGET(get_toplevel()->gobj()),
0, 0, &xx, &yy))
{
get_window()->resize (width + xx, height + yy);
}
} else {
_req_width = width;
_req_height = height;
_gui_widget.queue_resize ();
}
}
void
VST3NSViewPluginUI::view_realized ()
{
NSWindow* win = get_nswindow ();
if (!win) {
printf ("NO WINDOW!\n");
return;
}
[win setAutodisplay:1]; // turn off GTK stuff for this window
NSView* nsview = gdk_quartz_window_get_nsview (_gui_widget.get_window()->gobj());
[nsview addSubview:_ns_view];
_view_realized = true;
_gui_widget.queue_resize ();
}
bool
VST3NSViewPluginUI::view_visibility_notify (GdkEventVisibility* ev)
{
return false;
}
void
VST3NSViewPluginUI::view_map ()
{
[_ns_view setHidden:0];
}
void
VST3NSViewPluginUI::view_unmap ()
{
[_ns_view setHidden:1];
}
bool
VST3NSViewPluginUI::on_window_show (const std::string& /*title*/)
{
gtk_widget_realize (GTK_WIDGET(_gui_widget.gobj()));
show_all ();
_gui_widget.queue_resize ();
return true;
}
void
VST3NSViewPluginUI::on_window_hide ()
{
hide_all ();
}
void
VST3NSViewPluginUI::forward_key_event (GdkEventKey* ev)
{
/* despite the VST3 spec mandating onKeyUp/Down, many
* plugins (notably JUCE) reply on platform callbacks.
*/
NSEvent* nsevent = gdk_quartz_event_get_nsevent ((GdkEvent*)ev);
if (!nsevent) {
return;
}
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
VST3NSViewPluginUI::grab_focus ()
{
[_ns_view becomeFirstResponder];
}
NSWindow*
VST3NSViewPluginUI::get_nswindow ()
{
Gtk::Container* toplevel = get_toplevel();
if (!toplevel || !toplevel->is_toplevel()) {
error << _("VST3NSViewPluginUI: no top level window!") << endmsg;
return 0;
}
NSWindow* true_parent = gdk_quartz_window_get_nswindow (toplevel->get_window()->gobj());
if (!true_parent) {
error << _("VST3NSViewPluginUI: no top level window!") << endmsg;
return 0;
}
return true_parent;
}