diff options
Diffstat (limited to 'src/x11_in_qt5.cpp')
| -rw-r--r-- | src/x11_in_qt5.cpp | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/src/x11_in_qt5.cpp b/src/x11_in_qt5.cpp new file mode 100644 index 0000000..be90323 --- /dev/null +++ b/src/x11_in_qt5.cpp @@ -0,0 +1,148 @@ +/* + Copyright 2011-2015 David Robillard <http://drobilla.net> + Copyright 2015 Rui Nuno Capela <rncbc@rncbc.org> + + Permission to use, copy, modify, and/or distribute this software for any + purpose with or without fee is hereby granted, provided that the above + copyright notice and this permission notice appear in all copies. + + THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +*/ + +#include <QWidget> + +#include <QTimerEvent> +#include <QCloseEvent> + +#undef signals + +#include "./suil_config.h" +#include "./suil_internal.h" + +extern "C" { + +typedef struct { + QWidget* host_widget; + QWidget* parent; +} SuilX11InQt5Wrapper; + +class SuilQX11Widget : public QWidget +{ +public: + SuilQX11Widget(QWidget* parent, Qt::WindowFlags wflags) + : QWidget(parent, wflags) + , _instance(NULL) + , _idle_iface(NULL) + , _ui_timer(0) + {} + + void start_idle(SuilInstance* instance, + const LV2UI_Idle_Interface* idle_iface) { + _instance = instance; + _idle_iface = idle_iface; + if (_idle_iface && _ui_timer == 0) { + _ui_timer = this->startTimer(30); + } + } + +protected: + void timerEvent(QTimerEvent* event) { + if (event->timerId() == _ui_timer && _idle_iface) { + _idle_iface->idle(_instance->handle); + } + QWidget::timerEvent(event); + } + + void closeEvent(QCloseEvent* event) { + if (_ui_timer && _idle_iface) { + this->killTimer(_ui_timer); + _ui_timer = 0; + } + QWidget::closeEvent(event); + } + +private: + SuilInstance* _instance; + const LV2UI_Idle_Interface* _idle_iface; + int _ui_timer; +}; + +static void +wrapper_free(SuilWrapper* wrapper) +{ + SuilX11InQt5Wrapper* impl = (SuilX11InQt5Wrapper*)wrapper->impl; + + if (impl->host_widget) { + delete impl->host_widget; + } + + free(impl); +} + +static int +wrapper_wrap(SuilWrapper* wrapper, + SuilInstance* instance) +{ + SuilX11InQt5Wrapper* const impl = (SuilX11InQt5Wrapper*)wrapper->impl; + SuilQX11Widget* const ew = (SuilQX11Widget*)impl->parent; + + if (instance->descriptor->extension_data) { + const LV2UI_Idle_Interface* idle_iface + = (const LV2UI_Idle_Interface*) + instance->descriptor->extension_data(LV2_UI__idleInterface); + ew->start_idle(instance, idle_iface); + } + + impl->host_widget = ew; + + instance->host_widget = impl->host_widget; + + return 0; +} + +static int +wrapper_resize(LV2UI_Feature_Handle handle, int width, int height) +{ + QWidget* const ew = (QWidget*)handle; + ew->resize(width, height); + return 0; +} + +SUIL_LIB_EXPORT +SuilWrapper* +suil_wrapper_new(SuilHost* host, + const char* host_type_uri, + const char* ui_type_uri, + LV2_Feature*** features, + unsigned n_features) +{ + SuilX11InQt5Wrapper* const impl = (SuilX11InQt5Wrapper*) + calloc(1, sizeof(SuilX11InQt5Wrapper)); + + SuilWrapper* wrapper = (SuilWrapper*)malloc(sizeof(SuilWrapper)); + wrapper->wrap = wrapper_wrap; + wrapper->free = wrapper_free; + + QWidget* const ew = new SuilQX11Widget(NULL, Qt::Window); + + impl->parent = ew; + + wrapper->impl = impl; + wrapper->resize.handle = ew; + wrapper->resize.ui_resize = wrapper_resize; + + void* parent_id = (void*)(intptr_t)ew->winId(); + suil_add_feature(features, &n_features, LV2_UI__parent, parent_id); + suil_add_feature(features, &n_features, LV2_UI__resize, &wrapper->resize); + suil_add_feature(features, &n_features, LV2_UI__idleInterface, NULL); + + return wrapper; +} + +} // extern "C" |