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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <glob.h>
#include <dlfcn.h>
#include <qregexp.h>
#include <qwidget.h>
#include <qstring.h>
#include <qslider.h>
#include <qcheckbox.h>
#include <qlistbox.h>
#include <qlabel.h>
#include <qvbox.h>
#include <qhbox.h>
#include <qframe.h>
#include <qspinbox.h>
#include <qradiobutton.h>
#include <qpushbutton.h>
#include <qlineedit.h>
#include <qlistview.h>
#include <ladspa.h>
#include "ladspadialog.h"
#include "synthdata.h"
LadspaDialog::LadspaDialog(SynthData *p_synthdata, QWidget* parent, const char *name)
: QVBox(parent, name) {
char *error;
QString ladspadir, ladspapath, qs;
void *so_handle;
LADSPA_Descriptor_Function ladspa_dsc_func;
const LADSPA_Descriptor *ladspa_dsc;
int l1, l2, colon, lastcolon;
glob_t globbuf;
QListViewItem *ladspaSetItem;
setCaption("Ladspa Browser");
setMargin(10);
setSpacing(10);
synthdata = p_synthdata;
ladspaList = new QListView(this);
ladspaList->setRootIsDecorated(true);
ladspaList->addColumn("Available Ladspa Plugins");
ladspapath.sprintf("%s", getenv("LADSPA_PATH"));
if (ladspapath.length() < 1) {
fprintf(stderr, "\nYou did not set the environment variable LADSPA_PATH.\n");
fprintf(stderr, "Assuming LADSPA_PATH=" LADSPA_PATH "\n");
ladspapath = LADSPA_PATH;
} else {
fprintf(stderr, "LADSPA_PATH: %s\n", ladspapath.latin1());
}
colon = -1;
l2 = 0;
do {
lastcolon = colon;
colon = ladspapath.find(QRegExp(":"), lastcolon + 1);
if (colon >= 0) {
ladspadir = ladspapath.mid(lastcolon + 1, colon - lastcolon - 1);
} else {
ladspadir = (lastcolon) ? ladspapath.mid(lastcolon + 1, ladspapath.length() - lastcolon - 1)
: ladspapath;
}
// fprintf(stderr, "Searching for LADSPA plugins in %s\n", ladspadir.latin1());
ladspadir += "/*.so";
glob(ladspadir.latin1(), GLOB_MARK, NULL, &globbuf);
for (l1 = 0; l1 < globbuf.gl_pathc; l1++) {
// fprintf(stderr, " found %s\n", globbuf.gl_pathv[l1]);
if (!(so_handle = dlopen(globbuf.gl_pathv[l1], RTLD_LAZY))) {
fprintf(stderr, "Error opening shared ladspa object %s.\n", globbuf.gl_pathv[l1]);
continue;
}
ladspa_dsc_func =(LADSPA_Descriptor_Function)dlsym(so_handle, "ladspa_descriptor");
if ((error = dlerror()) != NULL) {
fprintf(stderr, "Error accessing ladspa descriptor in %s.\n", globbuf.gl_pathv[l1]);
continue;
}
synthdata->ladspa_dsc_func_list[l2] = ladspa_dsc_func;
qs.sprintf("%s", globbuf.gl_pathv[l1]);
synthdata->ladspa_lib_name[l2] = qs.mid(qs.findRev("/") + 1, qs.findRev(".") - qs.findRev("/") - 1);
l2++;
}
globfree(&globbuf);
} while (colon >= 0);
l1 = 0;
while(synthdata->ladspa_dsc_func_list[l1]!=NULL) {
l2 = 0;
QListViewItem *ladspaSetItem = new QListViewItem(ladspaList, QString(synthdata->ladspa_lib_name[l1]));
ladspaSetItem->setSelectable(false);
while((ladspa_dsc = synthdata->ladspa_dsc_func_list[l1](l2)) != NULL) {
new QListViewItem(ladspaSetItem, QString(ladspa_dsc->Name));
l2++;
}
l1++;
}
QHBox *searchBox = new QHBox(this);
searchBox->setSpacing(10);
searchLine = new QLineEdit(searchBox);
QPushButton *searchButton = new QPushButton("Search", searchBox);
QObject::connect(searchButton, SIGNAL(clicked()), this, SLOT(searchClicked()));
QObject::connect(searchLine, SIGNAL(returnPressed()), this, SLOT(searchClicked()));
QVBox *labelBox = new QVBox(this);
labelBox->setFrameStyle(QFrame::StyledPanel | QFrame::Sunken);
labelBox->setSpacing(5);
pluginLabel = new QLabel(labelBox);
pluginLabel->setAlignment(Qt::WordBreak | Qt::AlignLeft);
pluginMaker = new QLabel(labelBox);
pluginMaker->setAlignment(Qt::WordBreak | Qt::AlignLeft);
pluginCopyright = new QLabel(labelBox);
pluginCopyright->setAlignment(Qt::WordBreak | Qt::AlignLeft);
QObject::connect(ladspaList, SIGNAL(selectionChanged()), this, SLOT(pluginHighlighted()));
extCtrlPortsCheck = new QCheckBox("Export control ports as module ports", this);
QHBox *buttonBox = new QHBox(this);
QPushButton *insertButton = new QPushButton("Create Plugin", buttonBox);
QObject::connect(insertButton, SIGNAL(clicked()), this, SLOT(insertClicked()));
new QWidget(buttonBox);
QPushButton *insertPolyButton = new QPushButton("Create Poly Plugin", buttonBox);
QObject::connect(insertPolyButton, SIGNAL(clicked()), this, SLOT(insertPolyClicked()));
}
LadspaDialog::~LadspaDialog() {
}
void LadspaDialog::insertClicked() {
int index, n;
if (ladspaList->selectedItem()) {
if (synthdata->getLadspaIDs(ladspaList->selectedItem()->parent()->text(0),
ladspaList->selectedItem()->text(0), &index, &n)) {
emit createLadspaModule(index, n, false, extCtrlPortsCheck->isChecked());
}
}
}
void LadspaDialog::insertPolyClicked() {
int index, n;
if (ladspaList->selectedItem()) {
if (synthdata->getLadspaIDs(ladspaList->selectedItem()->parent()->text(0),
ladspaList->selectedItem()->text(0), &index, &n)) {
emit createLadspaModule(index, n, true, extCtrlPortsCheck->isChecked());
}
}
}
void LadspaDialog::pluginHighlighted() {
const LADSPA_Descriptor *ladspa_dsc;
int index, n;
if (ladspaList->selectedItem()) {
if (synthdata->getLadspaIDs(ladspaList->selectedItem()->parent()->text(0),
ladspaList->selectedItem()->text(0), &index, &n)) {
ladspa_dsc = synthdata->ladspa_dsc_func_list[index](n);
pluginLabel->setText(QString("Label: ")+QString(ladspa_dsc->Label));
pluginMaker->setText(QString("Author: ")+QString(ladspa_dsc->Maker));
pluginCopyright->setText(QString("Copyright: ")+QString(ladspa_dsc->Copyright));
}
} else {
pluginLabel->setText("");
pluginMaker->setText("");
pluginCopyright->setText("");
}
}
void LadspaDialog::searchClicked() {
QListViewItemIterator it(ladspaList), firstItem(ladspaList);
while (it.current()) {
if (it.current()->isSelected()) {
++it;
break;
}
++it;
}
if (!it.current()) {
it = firstItem;
}
while (it.current()) {
if ((it.current()->isSelectable()) && (it.current()->text(0).contains(searchLine->text(), false))) {
break;
}
++it;
}
if (!it.current()) {
it = firstItem;
while (it.current()) {
if ((it.current()->isSelectable()) && (it.current()->text(0).contains(searchLine->text(), false))) {
break;
}
++it;
}
}
if (it.current()) {
if (it.current()->isSelectable()) {
ladspaList->setSelected(it.current(), true);
it.current()->parent()->setOpen(true);
ladspaList->ensureVisible(10, it.current()->itemPos());
}
}
}
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