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Diffstat (limited to 'src/x11_in_qt4.cpp')
| -rw-r--r-- | src/x11_in_qt4.cpp | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/src/x11_in_qt4.cpp b/src/x11_in_qt4.cpp new file mode 100644 index 0000000..c21357d --- /dev/null +++ b/src/x11_in_qt4.cpp @@ -0,0 +1,151 @@ +/* + Copyright 2011-2015 David Robillard <http://drobilla.net> + + 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 <QX11EmbedContainer> +#include <QtEvents> +#undef signals + +#include "./suil_config.h" +#include "./suil_internal.h" + +extern "C" { + +typedef struct { + QX11EmbedContainer* host_widget; + QX11EmbedWidget* parent; +} SuilX11InQt4Wrapper; + +class SuilQX11Container : public QX11EmbedContainer +{ +public: + SuilQX11Container(SuilInstance* instance, + const LV2UI_Idle_Interface* idle_iface, + QX11EmbedWidget* widget) + : QX11EmbedContainer() + , _instance(instance) + , _idle_iface(idle_iface) + , _widget(widget) + , _ui_timer(0) + {} + +protected: + void showEvent(QShowEvent* event) { + if (_idle_iface && _ui_timer == 0) { + _ui_timer = this->startTimer(30); + _widget->embedInto(winId()); + resize(_widget->size()); + } + QX11EmbedContainer::showEvent(event); + } + + void timerEvent(QTimerEvent* event) { + if (event->timerId() == _ui_timer && _idle_iface) { + _idle_iface->idle(_instance->handle); + } + QX11EmbedContainer::timerEvent(event); + } + + void closeEvent(QCloseEvent* event) { + if (_ui_timer && _idle_iface) { + this->killTimer(_ui_timer); + _ui_timer = 0; + } + QX11EmbedContainer::closeEvent(event); + } + +private: + SuilInstance* const _instance; + const LV2UI_Idle_Interface* const _idle_iface; + QX11EmbedWidget* const _widget; + int _ui_timer; +}; + +static void +wrapper_free(SuilWrapper* wrapper) +{ + SuilX11InQt4Wrapper* impl = (SuilX11InQt4Wrapper*)wrapper->impl; + + if (impl->parent) { + delete impl->parent; + } + + if (impl->host_widget) { + delete impl->host_widget; + } + + free(impl); +} + +static int +wrapper_wrap(SuilWrapper* wrapper, + SuilInstance* instance) +{ + const LV2UI_Idle_Interface* idle_iface = NULL; + if (instance->descriptor->extension_data) { + idle_iface = (const LV2UI_Idle_Interface*) + instance->descriptor->extension_data(LV2_UI__idleInterface); + } + + SuilX11InQt4Wrapper* const impl = (SuilX11InQt4Wrapper*)wrapper->impl; + QX11EmbedWidget* const ew = impl->parent; + + impl->host_widget = new SuilQX11Container(instance, idle_iface, ew); + + instance->host_widget = impl->host_widget; + + return 0; +} + +static int +wrapper_resize(LV2UI_Feature_Handle handle, int width, int height) +{ + QX11EmbedWidget* const ew = (QX11EmbedWidget*)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) +{ + SuilX11InQt4Wrapper* const impl = (SuilX11InQt4Wrapper*) + calloc(1, sizeof(SuilX11InQt4Wrapper)); + + SuilWrapper* wrapper = (SuilWrapper*)calloc(1, sizeof(SuilWrapper)); + wrapper->wrap = wrapper_wrap; + wrapper->free = wrapper_free; + + QX11EmbedWidget* const ew = new QX11EmbedWidget(); + + impl->parent = ew; + + wrapper->impl = impl; + wrapper->resize.handle = ew; + wrapper->resize.ui_resize = wrapper_resize; + + const intptr_t parent_id = (intptr_t)ew->winId(); + suil_add_feature(features, &n_features, LV2_UI__parent, (void*)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" |