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/*
* font-entry.cc
* Copyright 2015 John Lindgren
* Copyright 2019 Ariadne Conill
*
* 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 <QAction>
#include <QFontDialog>
#include <QLineEdit>
#include <QPointer>
#include <libaudcore/audstrings.h>
#include <libaudcore/i18n.h>
namespace audqt
{
class FontEntry : public QLineEdit
{
public:
FontEntry(QWidget * parent = nullptr, const char * font = nullptr)
: QLineEdit(parent),
m_action(get_icon("preferences-desktop-font"), _("Set Font"), nullptr)
{
addAction(&m_action, TrailingPosition);
connect(&m_action, &QAction::triggered, this, &FontEntry::show_dialog);
if (font)
setText(font);
end(false);
}
private:
void show_dialog();
QAction m_action;
QPointer<QFontDialog> m_dialog;
};
/* parse a subset of Pango font descriptions */
EXPORT QFont qfont_from_string(const char * name)
{
auto family = str_copy(name);
int size = 0;
QFont::Weight weight = QFont::Normal;
QFont::Style style = QFont::StyleNormal;
QFont::Stretch stretch = QFont::Unstretched;
while (1)
{
/* check for attributes */
bool attr_found = false;
const char * space = strrchr(family, ' ');
if (space)
{
const char * attr = space + 1;
int num = str_to_int(attr);
attr_found = true;
if (num > 0)
size = num;
else if (!strcmp(attr, "Light"))
weight = QFont::Light;
else if (!strcmp(attr, "Bold"))
weight = QFont::Bold;
else if (!strcmp(attr, "Oblique"))
style = QFont::StyleOblique;
else if (!strcmp(attr, "Italic"))
style = QFont::StyleItalic;
else if (!strcmp(attr, "Condensed"))
stretch = QFont::Condensed;
else if (!strcmp(attr, "Expanded"))
stretch = QFont::Expanded;
else
attr_found = false;
}
if (!attr_found)
{
QFont font((const char *)family);
if (size > 0)
font.setPointSize(size);
if (weight != QFont::Normal)
font.setWeight(weight);
if (style != QFont::StyleNormal)
font.setStyle(style);
if (stretch != QFont::Unstretched)
font.setStretch(stretch);
return font;
}
family.resize(space - family);
}
}
EXPORT StringBuf qfont_to_string(const QFont & font)
{
StringBuf font_str = str_copy(font.family().toUtf8());
auto weight = font.weight();
auto style = font.style();
auto stretch = font.stretch();
if (weight == QFont::Light)
font_str.insert(-1, " Light");
else if (weight == QFont::Bold)
font_str.insert(-1, " Bold");
if (style == QFont::StyleOblique)
font_str.insert(-1, " Oblique");
else if (style == QFont::StyleItalic)
font_str.insert(-1, " Italic");
if (stretch == QFont::Condensed)
font_str.insert(-1, " Condensed");
else if (stretch == QFont::Expanded)
font_str.insert(-1, " Expanded");
str_append_printf(font_str, " %d", font.pointSize());
return font_str;
}
void FontEntry::show_dialog()
{
if (!m_dialog)
{
m_dialog = new QFontDialog(this);
QObject::connect(m_dialog.data(), &QFontDialog::fontSelected,
[this](const QFont & font) {
setText((const char *)qfont_to_string(font));
end(false);
});
}
m_dialog->setCurrentFont(qfont_from_string(text().toUtf8()));
window_bring_to_front(m_dialog);
}
EXPORT QLineEdit * font_entry_new(QWidget * parent, const char * font)
{
return new FontEntry(parent, font);
}
} // namespace audqt
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