Files
cantata/widgets/statuslabel.cpp
craig.p.drummond 35950c10ac Better colours
2013-06-19 18:23:57 +00:00

133 lines
4.8 KiB
C++

/*
* Cantata
*
* Copyright (c) 2011-2013 Craig Drummond <craig.p.drummond@gmail.com>
*
* ----
*
* 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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "statuslabel.h"
#include "icon.h"
#include <QLabel>
#include <QHBoxLayout>
#include <QApplication>
#include <QStyle>
static int iconSize=-1;
StatusLabel::StatusLabel(QWidget *p)
: QFrame(p)
, type(None)
{
setFrameShape(QFrame::StyledPanel);
QHBoxLayout *layout = new QHBoxLayout(this);
icon = new QLabel(this);
text = new SqueezedTextLabel(this);
QSizePolicy sizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Preferred);
sizePolicy.setHorizontalStretch(0);
sizePolicy.setVerticalStretch(0);
sizePolicy.setHeightForWidth(text->sizePolicy().hasHeightForWidth());
text->setSizePolicy(sizePolicy);
layout->addWidget(icon);
layout->addWidget(text);
if (-1==iconSize) {
iconSize=Icon::stdSize(QApplication::fontMetrics().height());
}
icon->setVisible(false);
layout->setMargin(layout->margin()/2);
}
static QString toString(const QColor &col)
{
return QString("rgba(%1, %2, %3, %4)").arg(col.red()).arg(col.green()).arg(col.blue()).arg(col.alpha());
}
#ifdef ENABLE_KDE_SUPPORT
static void getColorsFromColorScheme(KColorScheme::BackgroundRole bgRole, QColor* bg, QColor* fg)
{
KColorScheme scheme(QPalette::Active, KColorScheme::Window);
*bg = scheme.background(bgRole).color();
*fg = scheme.foreground().color();
}
#endif
void StatusLabel::setType(Type t)
{
if (t==type) {
return;
}
type=t;
if (None==type) {
icon->setVisible(false);
setStyleSheet(QString());
} else {
Icon icn;
switch (type) {
case Error: {
QColor bg, border, fg;
icn=Icon("dialog-error");
#ifdef ENABLE_KDE_SUPPORT
getColorsFromColorScheme(KColorScheme::NegativeBackground, &bg, &fg);
border = KColorScheme::shade(bg, KColorScheme::DarkShade);
#else
bg=QColor(0xeb, 0xbb, 0xbb);
fg=Qt::black;
border = Qt::red;
#endif
setStyleSheet(QString(".QFrame {"
"background-color: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1, stop: 0 %1, stop: 0.1 %2, stop: 1.0 %3);"
"border-radius: 3px;"
"border: 1px solid %4;"
"margin: %5px;"
"}"
".QLabel { color: %6; }")
.arg(toString(bg))
.arg(toString(bg.lighter(110)))
.arg(toString(bg.darker(110)))
.arg(toString(border))
// DefaultFrameWidth returns the size of the external margin + border width. We know our border is 1px,
// so we subtract this from the frame normal QStyle FrameWidth to get our margin
.arg(style()->pixelMetric(QStyle::PM_DefaultFrameWidth, 0, this) -1)
.arg(toString(fg)));
break;
}
case Locked:
icn=Icon("object-locked");
if (icn.isNull()) {
icn=Icon("locked");
}
setStyleSheet(QString(".QFrame {"
"border-radius: 3px;"
"border: 1px solid %1;"
"margin: %2px;"
"}")
.arg(toString(palette().highlight().color()))
// DefaultFrameWidth returns the size of the external margin + border width. We know our border is 1px,
// so we subtract this from the frame normal QStyle FrameWidth to get our margin
.arg(style()->pixelMetric(QStyle::PM_DefaultFrameWidth, 0, this) -1));
default:
break;
}
icon->setPixmap(icn.pixmap(iconSize, iconSize));
icon->setVisible(true);
}
}