mirror of
https://github.com/cookiengineer/audacity
synced 2025-07-28 14:39:28 +02:00
152 lines
4.0 KiB
C++
152 lines
4.0 KiB
C++
/*
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Copyright 2011-2015 David Robillard <http://drobilla.net>
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <QX11EmbedContainer>
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#include <QtEvents>
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#undef signals
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#include "./suil_config.h"
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#include "./suil_internal.h"
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extern "C" {
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typedef struct {
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QX11EmbedContainer* host_widget;
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QX11EmbedWidget* parent;
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} SuilX11InQt4Wrapper;
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class SuilQX11Container : public QX11EmbedContainer
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{
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public:
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SuilQX11Container(SuilInstance* instance,
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const LV2UI_Idle_Interface* idle_iface,
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QX11EmbedWidget* widget)
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: QX11EmbedContainer()
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, _instance(instance)
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, _idle_iface(idle_iface)
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, _widget(widget)
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, _ui_timer(0)
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{}
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protected:
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void showEvent(QShowEvent* event) {
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if (_idle_iface && _ui_timer == 0) {
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_ui_timer = this->startTimer(30);
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_widget->embedInto(winId());
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resize(_widget->size());
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}
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QX11EmbedContainer::showEvent(event);
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}
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void timerEvent(QTimerEvent* event) {
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if (event->timerId() == _ui_timer && _idle_iface) {
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_idle_iface->idle(_instance->handle);
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}
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QX11EmbedContainer::timerEvent(event);
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}
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void closeEvent(QCloseEvent* event) {
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if (_ui_timer && _idle_iface) {
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this->killTimer(_ui_timer);
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_ui_timer = 0;
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}
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QX11EmbedContainer::closeEvent(event);
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}
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private:
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SuilInstance* const _instance;
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const LV2UI_Idle_Interface* const _idle_iface;
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QX11EmbedWidget* const _widget;
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int _ui_timer;
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};
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static void
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wrapper_free(SuilWrapper* wrapper)
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{
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SuilX11InQt4Wrapper* impl = (SuilX11InQt4Wrapper*)wrapper->impl;
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if (impl->parent) {
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delete impl->parent;
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}
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if (impl->host_widget) {
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delete impl->host_widget;
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}
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free(impl);
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}
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static int
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wrapper_wrap(SuilWrapper* wrapper,
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SuilInstance* instance)
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{
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const LV2UI_Idle_Interface* idle_iface = NULL;
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if (instance->descriptor->extension_data) {
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idle_iface = (const LV2UI_Idle_Interface*)
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instance->descriptor->extension_data(LV2_UI__idleInterface);
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}
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SuilX11InQt4Wrapper* const impl = (SuilX11InQt4Wrapper*)wrapper->impl;
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QX11EmbedWidget* const ew = impl->parent;
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impl->host_widget = new SuilQX11Container(instance, idle_iface, ew);
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instance->host_widget = impl->host_widget;
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return 0;
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}
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static int
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wrapper_resize(LV2UI_Feature_Handle handle, int width, int height)
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{
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QX11EmbedWidget* const ew = (QX11EmbedWidget*)handle;
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ew->resize(width, height);
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return 0;
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}
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SUIL_LIB_EXPORT
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SuilWrapper*
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suil_wrapper_new(SuilHost* host,
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const char* host_type_uri,
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const char* ui_type_uri,
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LV2_Feature*** features,
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unsigned n_features)
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{
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SuilX11InQt4Wrapper* const impl = (SuilX11InQt4Wrapper*)
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calloc(1, sizeof(SuilX11InQt4Wrapper));
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SuilWrapper* wrapper = (SuilWrapper*)calloc(1, sizeof(SuilWrapper));
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wrapper->wrap = wrapper_wrap;
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wrapper->free = wrapper_free;
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QX11EmbedWidget* const ew = new QX11EmbedWidget();
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impl->parent = ew;
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wrapper->impl = impl;
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wrapper->resize.handle = ew;
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wrapper->resize.ui_resize = wrapper_resize;
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const intptr_t parent_id = (intptr_t)ew->winId();
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suil_add_feature(features, &n_features, LV2_UI__parent, (void*)parent_id);
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suil_add_feature(features, &n_features, LV2_UI__resize, &wrapper->resize);
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suil_add_feature(features, &n_features, LV2_UI__idleInterface, NULL);
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return wrapper;
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}
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} // extern "C"
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