277 lines
6.2 KiB
C++
277 lines
6.2 KiB
C++
#include <unistd.h>
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#include <pthread.h>
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#include <pugl/pugl.h>
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#include "pui.h"
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#include "lv2pui.h"
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#include "lv2_external_ui.h"
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static char s_lv2ui_uri[128];
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/* X11UI support code */
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static void *lv2pui_thread(void *ptr)
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{
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LV2PUi *lv2pui = (LV2PUi *)ptr;
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while (!lv2pui->exit) {
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usleep(1000000 / 25);
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puglProcessEvents(lv2pui->view);
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}
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return NULL;
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}
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void LV2PUi::Instantiate(
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const LV2UI_Descriptor *descriptor,
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const char *bundle_path,
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LV2UI_Write_Function write_function,
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LV2UI_Controller controller,
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LV2UI_Widget *widget,
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const LV2_Feature *const *features)
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{
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this->resize = NULL;
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this->touch = NULL;
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PuglNativeWindow parent = 0;
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for (; features && *features; ++features) {
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if (!strcmp((*features)->URI, LV2_UI__parent)) {
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parent = (PuglNativeWindow)(*features)->data;
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} else if (!strcmp((*features)->URI, LV2_UI__resize)) {
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this->resize = (LV2UI_Resize *)(*features)->data;
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} else if (!strcmp((*features)->URI, LV2_UI__touch)) {
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this->touch = (LV2UI_Touch *)(*features)->data;
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}
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}
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this->write = write_function;
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this->controller = controller;
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this->exit = false;
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this->InitWidgets();
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int w = this->widget->w / this->scale;
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int h = this->widget->h / this->scale;
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this->view = puglCreate(parent, "Test", w, h, true);
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puglSetHandle(this->view, this);
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this->SetFunc();
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if (this->resize) {
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this->resize->ui_resize(this->resize->handle, w, h);
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}
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pthread_create(&this->thread, NULL, &lv2pui_thread, this);
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*widget = (void *)puglGetNativeWindow(this->view);
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}
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static LV2UI_Handle lv2pui_instantiate(
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const LV2UI_Descriptor *descriptor,
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const char *plugin_uri,
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const char *bundle_path,
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LV2UI_Write_Function write_function,
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LV2UI_Controller controller,
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LV2UI_Widget *widget,
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const LV2_Feature *const *features)
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{
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LV2PUi *lv2pui = LV2PUiFactoryBase::CreateInstance(plugin_uri);
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if (!lv2pui) return NULL;
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lv2pui->Instantiate(descriptor, bundle_path, write_function, controller, widget, features);
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return lv2pui;
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}
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LV2PUi::~LV2PUi()
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{
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}
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void LV2PUi::WidgetGrabbed(const Widget *widget, bool grabbed)
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{
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if (this->touch) {
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this->touch->touch(this, widget->port, grabbed);
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}
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}
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static void lv2pui_cleanup(LV2UI_Handle handle)
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{
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LV2PUi *lv2pui = (LV2PUi *)handle;
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lv2pui->exit = true;
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pthread_join(lv2pui->thread, NULL);
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puglDestroy(lv2pui->view);
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delete lv2pui;
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}
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void LV2PUi::ParameterChanged(const Widget *w)
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{
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if (w->port == UINT_MAX) return;
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this->write(this->controller, w->port, sizeof w->value, 0, &w->value);
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if (!tooltip) return;
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char tmp[128];
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snprintf(tmp, sizeof tmp, "(%s): %s: %0.4f", w->group, w->label, w->value);
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tooltip->SetLabel(tmp);
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}
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void LV2PUi::PortEvent(uint32_t port_index, uint32_t buffer_size, uint32_t format, const void *buffer)
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{
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Widget *w = this->widget->GetWidget(port_index);
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if (!w) return;
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w->SetValue(*((float *)buffer));
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this->Repaint();
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}
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static void lv2pui_port_event(
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LV2UI_Handle handle,
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uint32_t port_index,
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uint32_t buffer_size,
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uint32_t format,
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const void *buffer)
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{
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LV2PUi *lv2pui = (LV2PUi *)handle;
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lv2pui->PortEvent(port_index, buffer_size, format, buffer);
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}
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static const void *lv2pui_extension_data(const char *uri)
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{
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return NULL;
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}
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static const LV2UI_Descriptor s_lv2ui_descriptor = {
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s_lv2ui_uri,
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&lv2pui_instantiate,
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&lv2pui_cleanup,
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&lv2pui_port_event,
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&lv2pui_extension_data,
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};
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/* External UI support code */
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struct LV2PUi_Ext_Wrapper {
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LV2_External_UI_Widget virt;
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bool visible;
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LV2PUi *lv2pui;
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};
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static void lv2pui_ext_run(LV2_External_UI_Widget *ptr)
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{
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LV2PUi_Ext_Wrapper *wrapper = (LV2PUi_Ext_Wrapper *)ptr;
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LV2PUi *lv2pui = wrapper->lv2pui;
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if (!wrapper->visible) return;
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if (wrapper->lv2pui->close) {
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wrapper->visible = false;
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puglDestroy(lv2pui->view);
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lv2pui->view = NULL;
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} else {
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puglProcessEvents(lv2pui->view);
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}
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}
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static void lv2pui_ext_show(LV2_External_UI_Widget *ptr)
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{
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LV2PUi_Ext_Wrapper *wrapper = (LV2PUi_Ext_Wrapper *)ptr;
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LV2PUi *lv2pui = wrapper->lv2pui;
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if (wrapper->visible) return;
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wrapper->visible = true;
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wrapper->lv2pui->close = false;
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wrapper->lv2pui->initialised = false;
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int w = lv2pui->widget->w / lv2pui->scale;
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int h = lv2pui->widget->h / lv2pui->scale;
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lv2pui->view = puglCreate(0, "Test", w, h, true);
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puglSetHandle(lv2pui->view, lv2pui);
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lv2pui->SetFunc();
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}
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static void lv2pui_ext_hide(LV2_External_UI_Widget *ptr)
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{
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LV2PUi_Ext_Wrapper *wrapper = (LV2PUi_Ext_Wrapper *)ptr;
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LV2PUi *lv2pui = wrapper->lv2pui;
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if (!wrapper->visible) return;
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wrapper->visible = false;
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puglDestroy(lv2pui->view);
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lv2pui->view = NULL;
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}
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static LV2UI_Handle lv2pui_ext_instantiate(
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const LV2UI_Descriptor *descriptor,
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const char *plugin_uri,
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const char *bundle_path,
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LV2UI_Write_Function write_function,
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LV2UI_Controller controller,
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LV2UI_Widget *widget,
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const LV2_Feature *const *features)
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{
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LV2PUi_Ext_Wrapper *wrapper = (LV2PUi_Ext_Wrapper *)malloc(sizeof *wrapper);
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wrapper->lv2pui = LV2PUiFactoryBase::CreateInstance(plugin_uri);
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if (!wrapper->lv2pui) {
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free(wrapper);
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return NULL;
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}
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wrapper->virt.run = lv2pui_ext_run;
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wrapper->virt.show = lv2pui_ext_show;
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wrapper->virt.hide = lv2pui_ext_hide;
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wrapper->visible = false;
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wrapper->lv2pui->write = write_function;
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wrapper->lv2pui->controller = controller;
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wrapper->lv2pui->view = NULL;
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wrapper->lv2pui->InitWidgets();
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*widget = wrapper;
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return wrapper;
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}
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static void lv2pui_ext_cleanup(LV2UI_Handle handle)
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{
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LV2PUi_Ext_Wrapper *wrapper = (LV2PUi_Ext_Wrapper *)handle;
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delete wrapper->lv2pui;
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free(wrapper);
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}
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static void lv2pui_ext_port_event(
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LV2UI_Handle handle,
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uint32_t port_index,
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uint32_t buffer_size,
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uint32_t format,
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const void *buffer)
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{
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LV2PUi_Ext_Wrapper *wrapper = (LV2PUi_Ext_Wrapper *)handle;
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if (wrapper->lv2pui->view) wrapper->lv2pui->PortEvent(port_index, buffer_size, format, buffer);
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}
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static const void *lv2pui_ext_extension_data(const char *uri)
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{
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return NULL;
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}
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static const LV2UI_Descriptor s_lv2ui_ext_descriptor = {
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s_lv2ui_uri,
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&lv2pui_ext_instantiate,
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&lv2pui_ext_cleanup,
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&lv2pui_ext_port_event,
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&lv2pui_ext_extension_data,
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};
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const LV2UI_Descriptor *lv2ui_descriptor(uint32_t index)
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{
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const char *uri = LV2PUiFactoryBase::GetUri(index / 2);
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if (!uri) return NULL;
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snprintf(s_lv2ui_uri, sizeof s_lv2ui_uri, "%s#%s", uri, !index ? "ExtUI" : "X11UI");
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return !index ? &s_lv2ui_ext_descriptor : &s_lv2ui_descriptor;
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}
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