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#include "qv4l2.h"
#include "general-tab.h"
#include "libv4l2util.h"
#include <qimage.h>
#include <qpixmap.h>
#include <qtoolbar.h>
#include <qtoolbutton.h>
#include <qpopupmenu.h>
#include <qmenubar.h>
#include <qfile.h>
#include <qfiledialog.h>
#include <qstatusbar.h>
#include <qapplication.h>
#include <qmessagebox.h>
#include <qlineedit.h>
#include <qvalidator.h>
#include <qlayout.h>
#include <qvbox.h>
#include <qhbox.h>
#include <qlabel.h>
#include <qslider.h>
#include <qspinbox.h>
#include <qcombobox.h>
#include <qcheckbox.h>
#include <qpushbutton.h>
#include <qtooltip.h>
#include <qwhatsthis.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <errno.h>
#include <dirent.h>
#include "fileopen.xpm"
ApplicationWindow::ApplicationWindow()
: QMainWindow( 0, "V4L2 main window", WDestructiveClose | WGroupLeader )
{
QPixmap openIcon, saveIcon;
fd = -1;
videoDevice = NULL;
sigMapper = NULL;
QToolBar * fileTools = new QToolBar( this, "file operations" );
fileTools->setLabel( "File Operations" );
openIcon = QPixmap( fileopen );
QToolButton * fileOpen
= new QToolButton( openIcon, "Open File", QString::null,
this, SLOT(choose()), fileTools, "open file" );
(void)QWhatsThis::whatsThisButton( fileTools );
const char * fileOpenText = "<p><img source=\"fileopen\"> "
"Click this button to open a <em>new v4l device</em>.<br>"
"You can also select the <b>Open</b> command "
"from the <b>File</b> menu.</p>";
QWhatsThis::add( fileOpen, fileOpenText );
QMimeSourceFactory::defaultFactory()->setPixmap( "fileopen", openIcon );
QPopupMenu * file = new QPopupMenu( this );
menuBar()->insertItem( "&File", file );
int id;
id = file->insertItem( openIcon, "&Open...",
this, SLOT(choose()), CTRL+Key_O );
file->setWhatsThis( id, fileOpenText );
file->insertSeparator();
file->insertItem( "&Close", this, SLOT(close()), CTRL+Key_W );
file->insertItem( "&Quit", qApp, SLOT( closeAllWindows() ), CTRL+Key_Q );
menuBar()->insertSeparator();
QPopupMenu * help = new QPopupMenu( this );
menuBar()->insertItem( "&Help", help );
help->insertItem( "&About", this, SLOT(about()), Key_F1 );
help->insertItem( "What's &This", this, SLOT(whatsThis()), SHIFT+Key_F1 );
statusBar()->message( "Ready", 2000 );
tabs = new QTabWidget(this);
tabs->setMargin(3);
//resize( 450, 600 );
}
ApplicationWindow::~ApplicationWindow()
{
if (fd >= 0) ::close(fd);
}
void ApplicationWindow::setDevice(const QString &device)
{
if (fd >= 0) ::close(fd);
while (QWidget *page = tabs->page(0)) {
tabs->removePage(page);
delete page;
}
delete tabs;
delete sigMapper;
tabs = new QTabWidget(this);
tabs->setMargin(3);
sigMapper = new QSignalMapper(this);
connect(sigMapper, SIGNAL(mapped(int)), this, SLOT(ctrlAction(int)));
ctrlMap.clear();
widgetMap.clear();
classMap.clear();
fd = ::open(device, O_RDONLY);
if (fd >= 0) {
tabs->addTab(new GeneralTab(device, fd, 4, tabs), "General");
addTabs();
}
if (QWidget *current = tabs->currentPage()) {
current->show();
}
tabs->show();
tabs->setFocus();
setCentralWidget(tabs);
}
void ApplicationWindow::selectdev(int index)
{
setDevice(videoDevice->text(index));
}
void ApplicationWindow::add_dirVideoDevice(const char *dirname)
{
DIR *dir;
struct dirent *entry;
const char *vid = "video";
const char *rad = "radio";
const char *vbi = "vbi";
char name[512], *p;
dir = opendir(dirname);
if (!dir)
return;
strcpy(name, dirname);
strcat(name, "/");
p = name + strlen(name);
entry = readdir(dir);
while (entry) {
if (!strncmp(entry->d_name, vid, strlen(vid)) ||
!strncmp(entry->d_name, rad, strlen(rad)) ||
!strncmp(entry->d_name, vbi, strlen(vbi))) {
strcpy(p, entry->d_name);
videoDevice->insertItem(name);
}
entry = readdir(dir);
}
closedir(dir);
}
void ApplicationWindow::choose()
{
if (videoDevice)
delete videoDevice;
videoDevice = new QPopupMenu(this);
add_dirVideoDevice("/dev");
add_dirVideoDevice("/dev/v4l");
connect(videoDevice, SIGNAL(activated(int)), this, SLOT(selectdev(int)));
videoDevice->show();
videoDevice->setFocus();
}
void ApplicationWindow::closeEvent( QCloseEvent* ce )
{
ce->accept();
}
bool ApplicationWindow::doIoctl(QString descr, unsigned cmd, void *arg)
{
statusBar()->clear();
int err = ioctl(fd, cmd, arg);
if (err == -1) {
QString s = strerror(errno);
statusBar()->message(descr + ": " + s, 10000);
}
return err != -1;
}
void ApplicationWindow::about()
{
QMessageBox::about( this, "V4L2 Control Panel",
"This program allows easy experimenting with video4linux devices.");
}
ApplicationWindow *g_mw;
int main(int argc, char **argv)
{
QApplication a(argc, argv);
g_mw = new ApplicationWindow();
g_mw->setCaption( "V4L2 Control Panel" );
g_mw->setDevice("/dev/video0");
g_mw->show();
a.connect( &a, SIGNAL(lastWindowClosed()), &a, SLOT(quit()) );
return a.exec();
}
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