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/*
* prefs-builder.cc
* Copyright 2014 William Pitcock and John Lindgren
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions, and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions, and the following disclaimer in the documentation
* provided with the distribution.
*
* This software is provided "as is" and without any warranty, express or
* implied. In no event shall the authors be liable for any damages arising from
* the use of this software.
*/
#include "libaudqt.h"
#include "prefs-widget.h"
#include <QButtonGroup>
#include <QFrame>
#include <QLayout>
#include <libaudcore/i18n.h>
#include <libaudcore/preferences.h>
#include <libaudcore/runtime.h>
namespace audqt {
void prefs_populate (QBoxLayout * layout, ArrayRef<PreferencesWidget> widgets, const char * domain)
{
/* layout prior to header label */
QBoxLayout * orig_layout = layout;
/* layouts prior to check box */
QBoxLayout * parent_layout = nullptr;
QBoxLayout * parent_orig_layout = nullptr;
BooleanWidget * parent_widget = nullptr;
QButtonGroup * radio_btn_group = nullptr;
for (const PreferencesWidget & w : widgets)
{
if (w.child)
{
if (! parent_layout)
{
/* save prior layouts */
parent_layout = layout;
parent_orig_layout = orig_layout;
/* create new layout for child widgets */
if (dynamic_cast<QHBoxLayout *> (parent_layout))
layout = new QHBoxLayout;
else
{
layout = new QVBoxLayout;
layout->setContentsMargins (12, 0, 0, 0);
}
layout->setSpacing (parent_layout->spacing ());
parent_layout->addLayout (layout);
orig_layout = layout;
if (parent_widget)
parent_widget->set_child_layout (layout);
}
}
else
{
if (parent_layout)
{
/* restore prior layouts */
layout = parent_layout;
orig_layout = parent_orig_layout;
parent_layout = nullptr;
parent_orig_layout = nullptr;
}
/* enable/disable child widgets */
if (parent_widget)
parent_widget->update_from_cfg ();
parent_widget = nullptr;
}
if (radio_btn_group && w.type != PreferencesWidget::RadioButton)
radio_btn_group = nullptr;
switch (w.type)
{
case PreferencesWidget::Button:
layout->addWidget (new ButtonWidget (& w, domain));
break;
case PreferencesWidget::CheckButton:
{
auto checkbox = new BooleanWidget (& w, domain);
layout->addWidget (checkbox);
if (! w.child)
parent_widget = checkbox;
break;
}
case PreferencesWidget::Label:
{
auto label = new QLabel (translate_str (w.label, domain));
if (strstr (w.label, "<b>"))
{
/* double spacing above a header */
if (orig_layout->itemAt (0))
orig_layout->addSpacing (orig_layout->spacing ());
orig_layout->addWidget (label);
/* create indented layout below header */
layout = new QVBoxLayout;
layout->setContentsMargins (12, 0, 0, 0);
layout->setSpacing (orig_layout->spacing ());
orig_layout->addLayout (layout);
}
else
layout->addWidget (label);
break;
}
case PreferencesWidget::SpinButton:
switch (w.cfg.type)
{
case WidgetConfig::Int:
layout->addWidget (new IntegerWidget (& w, domain));
break;
case WidgetConfig::Float:
layout->addWidget (new DoubleWidget (& w, domain));
break;
default:
AUDDBG ("encountered unhandled configuration type %d for PreferencesWidget::SpinButton\n", w.cfg.type);
break;
}
break;
case PreferencesWidget::Entry:
layout->addWidget (new StringWidget (& w, domain));
break;
case PreferencesWidget::RadioButton:
if (! radio_btn_group)
radio_btn_group = new QButtonGroup;
layout->addWidget (new RadioButtonWidget (& w, domain, radio_btn_group));
break;
case PreferencesWidget::FontButton:
/* XXX: unimplemented */
AUDDBG ("font buttons are unimplemented\n");
break;
case PreferencesWidget::ComboBox:
layout->addWidget (new ComboBoxWidget (& w, domain));
break;
case PreferencesWidget::CustomQt:
if (w.data.populate)
layout->addWidget ((QWidget *) w.data.populate ());
break;
/* layout widgets follow */
case PreferencesWidget::Box:
layout->addWidget (new BoxWidget (& w, domain,
(bool) dynamic_cast<QHBoxLayout *> (layout)));
break;
case PreferencesWidget::Table:
layout->addWidget (new TableWidget (& w, domain));
break;
case PreferencesWidget::Notebook:
layout->addWidget (new NotebookWidget (& w, domain));
break;
case PreferencesWidget::Separator:
{
QFrame * f = new QFrame;
f->setFrameShape (w.data.separator.horizontal ? QFrame::HLine : QFrame::VLine);
f->setFrameShadow (QFrame::Sunken);
layout->addWidget (f);
break;
}
/* stub handler */
default:
AUDDBG ("invoked stub handler for PreferencesWidget type %d\n", w.type);
break;
}
}
/* enable/disable child widgets */
if (parent_widget)
parent_widget->update_from_cfg ();
}
} // namespace audqt
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