external.cpp
资源名称:vlc-1.0.5.zip [点击查看]
上传用户:kjfoods
上传日期:2020-07-06
资源大小:29949k
文件大小:9k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * external.hpp : Dialogs from other LibVLC core and other plugins
- ****************************************************************************
- * Copyright (C) 2009 Rémi Denis-Courmont
- * Copyright (C) 2006 the VideoLAN team
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
- #ifdef HAVE_CONFIG_H
- # include <config.h>
- #endif
- //#include "qt4.hpp"
- #include "external.hpp"
- #include "errors.hpp"
- #include <vlc_dialog.h>
- #include <QDialog>
- #include <QDialogButtonBox>
- #include <QLabel>
- #include <QLineEdit>
- #include <QMessageBox>
- #include <QProgressDialog>
- #include <QMutex>
- QVLCVariable::QVLCVariable (vlc_object_t *obj, const char *varname, int type)
- : object (obj), name (qfu(varname))
- {
- var_Create (object, qtu(name), type);
- var_AddCallback (object, qtu(name), callback, this);
- }
- QVLCVariable::~QVLCVariable (void)
- {
- var_DelCallback (object, qtu(name), callback, this);
- var_Destroy (object, qtu(name));
- }
- int QVLCVariable::callback (vlc_object_t *object, const char *,
- vlc_value_t, vlc_value_t cur, void *data)
- {
- QVLCVariable *self = (QVLCVariable *)data;
- emit self->pointerChanged (object, cur.p_address);
- return VLC_SUCCESS;
- }
- DialogHandler::DialogHandler (intf_thread_t *intf, QObject *_parent)
- : QObject( _parent ), intf (intf),
- critical (VLC_OBJECT(intf), "dialog-critical", VLC_VAR_ADDRESS),
- login (VLC_OBJECT(intf), "dialog-login", VLC_VAR_ADDRESS),
- question (VLC_OBJECT(intf), "dialog-question", VLC_VAR_ADDRESS),
- progressBar (VLC_OBJECT(intf), "dialog-progress-bar", VLC_VAR_ADDRESS)
- {
- var_Create (intf, "dialog-error", VLC_VAR_ADDRESS);
- var_AddCallback (intf, "dialog-error", error, this);
- connect (this, SIGNAL(error(const QString &, const QString &)),
- SLOT(displayError(const QString &, const QString &)));
- connect (&critical, SIGNAL(pointerChanged(vlc_object_t *, void *)),
- SLOT(displayCritical(vlc_object_t *, void *)),
- Qt::BlockingQueuedConnection);
- connect (&login, SIGNAL(pointerChanged(vlc_object_t *, void *)),
- SLOT(requestLogin(vlc_object_t *, void *)),
- Qt::BlockingQueuedConnection);
- connect (&question, SIGNAL(pointerChanged(vlc_object_t *, void *)),
- SLOT(requestAnswer(vlc_object_t *, void *)),
- Qt::BlockingQueuedConnection);
- connect (&progressBar, SIGNAL(pointerChanged(vlc_object_t *, void *)),
- SLOT(startProgressBar(vlc_object_t *, void *)),
- Qt::BlockingQueuedConnection);
- connect (this,
- SIGNAL(progressBarDestroyed(QWidget *)),
- SLOT(stopProgressBar(QWidget *)));
- dialog_Register (intf);
- }
- DialogHandler::~DialogHandler (void)
- {
- dialog_Unregister (intf);
- var_DelCallback (intf, "dialog-error", error, this);
- var_Destroy (intf, "dialog-error");
- }
- int DialogHandler::error (vlc_object_t *obj, const char *,
- vlc_value_t, vlc_value_t value, void *data)
- {
- const dialog_fatal_t *dialog = (const dialog_fatal_t *)value.p_address;
- DialogHandler *self = static_cast<DialogHandler *>(data);
- if (config_GetInt (obj, "qt-error-dialogs"))
- emit self->error (qfu(dialog->title), qfu(dialog->message));
- return VLC_SUCCESS;
- }
- void DialogHandler::displayError (const QString& title, const QString& message)
- {
- ErrorsDialog::getInstance (intf)->addError(title, message);
- }
- void DialogHandler::displayCritical (vlc_object_t *, void *value)
- {
- const dialog_fatal_t *dialog = (const dialog_fatal_t *)value;
- QMessageBox::critical (NULL, qfu(dialog->title), qfu(dialog->message),
- QMessageBox::Ok);
- }
- void DialogHandler::requestLogin (vlc_object_t *, void *value)
- {
- dialog_login_t *data = (dialog_login_t *)value;
- QDialog *dialog = new QDialog;
- QLayout *layout = new QVBoxLayout (dialog);
- dialog->setWindowTitle (qfu(data->title));
- layout->setMargin (2);
- /* User name and password fields */
- QWidget *panel = new QWidget (dialog);
- QGridLayout *grid = new QGridLayout;
- grid->addWidget (new QLabel (qfu(data->message)), 0, 0, 1, 2);
- QLineEdit *userLine = new QLineEdit;
- grid->addWidget (new QLabel (qtr("User name")), 1, 0);
- grid->addWidget (userLine, 1, 1);
- QLineEdit *passLine = new QLineEdit;
- passLine->setEchoMode (QLineEdit::Password);
- grid->addWidget (new QLabel (qtr("Password")), 2, 0);
- grid->addWidget (passLine, 2, 1);
- panel->setLayout (grid);
- layout->addWidget (panel);
- /* OK, Cancel buttons */
- QDialogButtonBox *buttonBox;
- buttonBox = new QDialogButtonBox (QDialogButtonBox::Ok
- | QDialogButtonBox::Cancel);
- connect (buttonBox, SIGNAL(accepted()), dialog, SLOT(accept()));
- connect (buttonBox, SIGNAL(rejected()), dialog, SLOT(reject()));
- layout->addWidget (buttonBox);
- /* Run the dialog */
- dialog->setLayout (layout);
- if (dialog->exec ())
- {
- *data->username = strdup (qtu(userLine->text ()));
- *data->password = strdup (qtu(passLine->text ()));
- }
- else
- *data->username = *data->password = NULL;
- delete dialog;
- }
- void DialogHandler::requestAnswer (vlc_object_t *, void *value)
- {
- dialog_question_t *data = (dialog_question_t *)value;
- QMessageBox *box = new QMessageBox (QMessageBox::Question,
- qfu(data->title), qfu(data->message));
- QAbstractButton *yes = (data->yes != NULL)
- ? box->addButton ("&" + qfu(data->yes), QMessageBox::YesRole) : NULL;
- QAbstractButton *no = (data->no != NULL)
- ? box->addButton ("&" + qfu(data->no), QMessageBox::NoRole) : NULL;
- if (data->cancel != NULL)
- box->addButton ("&" + qfu(data->cancel), QMessageBox::RejectRole);
- box->exec ();
- int answer;
- if (box->clickedButton () == yes)
- answer = 1;
- else
- if (box->clickedButton () == no)
- answer = 2;
- else
- answer = 3;
- delete box;
- data->answer = answer;
- }
- QVLCProgressDialog::QVLCProgressDialog (DialogHandler *parent,
- struct dialog_progress_bar_t *data)
- : QProgressDialog (qfu(data->message),
- data->cancel ? ("&" + qfu(data->cancel)) : 0, 0, 1000),
- handler (parent),
- cancelled (false)
- {
- if (data->title != NULL)
- setWindowTitle (qfu(data->title));
- setMinimumDuration (0);
- connect (this, SIGNAL(progressed(int)), SLOT(setValue(int)));
- connect (this, SIGNAL(described(const QString&)),
- SLOT(setLabelText(const QString&)));
- connect (this, SIGNAL(canceled(void)), SLOT(saveCancel(void)));
- data->pf_update = update;
- data->pf_check = check;
- data->pf_destroy = destroy;
- data->p_sys = this;
- }
- QVLCProgressDialog::~QVLCProgressDialog (void)
- {
- }
- void QVLCProgressDialog::update (void *priv, const char *text, float value)
- {
- QVLCProgressDialog *self = static_cast<QVLCProgressDialog *>(priv);
- if (text != NULL)
- emit self->described (qfu(text));
- emit self->progressed ((int)(value * 1000.));
- }
- static QMutex cancel_mutex;
- bool QVLCProgressDialog::check (void *priv)
- {
- QVLCProgressDialog *self = static_cast<QVLCProgressDialog *>(priv);
- QMutexLocker locker (&cancel_mutex);
- return self->cancelled;
- }
- void QVLCProgressDialog::destroy (void *priv)
- {
- QVLCProgressDialog *self = static_cast<QVLCProgressDialog *>(priv);
- emit self->handler->progressBarDestroyed (self);
- }
- void QVLCProgressDialog::saveCancel (void)
- {
- QMutexLocker locker (&cancel_mutex);
- cancelled = true;
- }
- void DialogHandler::startProgressBar (vlc_object_t *, void *value)
- {
- dialog_progress_bar_t *data = (dialog_progress_bar_t *)value;
- QWidget *dlg = new QVLCProgressDialog (this, data);
- dlg->show ();
- }
- void DialogHandler::stopProgressBar (QWidget *dlg)
- {
- delete dlg;
- }