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This commit is contained in:
Dominik Schmidt
2011-11-20 22:39:50 +01:00
parent d199fe5ff0
commit 0f3ba435d9
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294
src/libtomahawk/utils/tomahawkutilsgui.cpp Normal file
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/* === This file is part of Tomahawk Player - <http://tomahawk-player.org> ===
*
* Copyright 2010-2011, Christian Muehlhaeuser <muesli@tomahawk-player.org>
*
* Tomahawk 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 3 of the License, or
* (at your option) any later version.
*
* Tomahawk 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 Tomahawk. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "tomahawkutilsgui.h"
#include <QtGui/QLayout>
#include <QtGui/QPainter>
#include <QtGui/QPixmap>
#include <QtGui/QPalette>
#include <QtGui/QApplication>
#include <QtGui/QWidget>
#ifdef Q_WS_X11
#include <QtGui/QX11Info>
#include <libqnetwm/netwm.h>
#endif
#ifdef Q_WS_WIN
#include <windows.h>
#include <windowsx.h>
#endif
namespace TomahawkUtils
{
static int s_headerHeight = 0;
QPixmap
createDragPixmap( MediaType type, int itemCount )
{
// If more than one item is dragged, align the items inside a
// rectangular grid. The maximum grid size is limited to 5 x 5 items.
int xCount = 3;
int size = 32;
if ( itemCount > 16 )
{
xCount = 5;
size = 16;
} else if( itemCount > 9 )
{
xCount = 4;
size = 22;
}
if( itemCount < xCount )
{
xCount = itemCount;
}
int yCount = itemCount / xCount;
if( itemCount % xCount != 0 )
{
++yCount;
}
if( yCount > xCount )
{
yCount = xCount;
}
// Draw the selected items into the grid cells
QPixmap dragPixmap( xCount * size + xCount - 1, yCount * size + yCount - 1 );
dragPixmap.fill( Qt::transparent );
QPainter painter( &dragPixmap );
painter.setRenderHint( QPainter::Antialiasing );
QPixmap pixmap;
switch ( type )
{
case MediaTypeArtist:
pixmap = QPixmap( ":/data/images/artist-icon.png" ).scaledToWidth( size, Qt::SmoothTransformation );
break;
case MediaTypeAlbum:
pixmap = QPixmap( ":/data/images/album-icon.png" ).scaledToWidth( size, Qt::SmoothTransformation );
break;
case MediaTypeTrack:
pixmap = QPixmap( QString( ":/data/images/track-icon-%2x%2.png" ).arg( size ) );
break;
}
int x = 0;
int y = 0;
for( int i = 0; i < itemCount; ++i )
{
painter.drawPixmap( x, y, pixmap );
x += size + 1;
if ( x >= dragPixmap.width() )
{
x = 0;
y += size + 1;
}
if ( y >= dragPixmap.height() )
{
break;
}
}
return dragPixmap;
}
void
drawBackgroundAndNumbers( QPainter* painter, const QString& text, const QRect& figRectIn )
{
QRect figRect = figRectIn;
if ( text.length() == 1 )
figRect.adjust( -painter->fontMetrics().averageCharWidth(), 0, 0, 0 );
QPen origpen = painter->pen();
QPen pen = origpen;
pen.setWidth( 1.0 );
painter->setPen( pen );
painter->drawRect( figRect );
// circles look bad. make it an oval. (thanks, apple)
const int bulgeWidth = 8;
const int offset = 0; // number of pixels to begin, counting inwards from figRect.x() and figRect.width(). 0 means start at each end, negative means start inside the rect.
QPainterPath ppath;
ppath.moveTo( QPoint( figRect.x() + offset, figRect.y() + figRect.height() / 2 ) );
QRect leftArcRect( figRect.x() + offset - bulgeWidth, figRect.y(), 2*bulgeWidth, figRect.height() );
ppath.arcTo( leftArcRect, 90, 180 );
painter->drawPath( ppath );
ppath = QPainterPath();
ppath.moveTo( figRect.x() + figRect.width() - offset, figRect.y() + figRect.height() / 2 );
leftArcRect = QRect( figRect.x() + figRect.width() - offset - bulgeWidth, figRect.y(), 2*bulgeWidth, figRect.height() );
ppath.arcTo( leftArcRect, 270, 180 );
painter->drawPath( ppath );
painter->setPen( origpen );
#ifdef Q_WS_MAC
figRect.adjust( -1, 0, 0, 0 );
#endif
QTextOption to( Qt::AlignCenter );
painter->setPen( Qt::white );
painter->drawText( figRect.adjusted( -5, 0, 6, 0 ), text, to );
}
void
drawQueryBackground( QPainter* p, const QPalette& palette, const QRect& r, qreal lightnessFactor )
{
p->setPen( palette.mid().color().lighter( lightnessFactor * 100 ) );
p->setBrush( palette.highlight().color().lighter( lightnessFactor * 100 ) );
p->drawRoundedRect( r, 4.0, 4.0 );
}
void
unmarginLayout( QLayout* layout )
{
layout->setContentsMargins( 0, 0, 0, 0 );
layout->setMargin( 0 );
layout->setSpacing( 0 );
for ( int i = 0; i < layout->count(); i++ )
{
QLayout* childLayout = layout->itemAt( i )->layout();
if ( childLayout )
unmarginLayout( childLayout );
}
}
QWidget*
tomahawkWindow()
{
QWidgetList widgetList = qApp->topLevelWidgets();
int i = 0;
while( i < widgetList.count() && widgetList.at( i )->objectName() != "TH_Main_Window" )
i++;
if ( i == widgetList.count() )
{
qDebug() << Q_FUNC_INFO << "could not find main Tomahawk mainwindow";
Q_ASSERT( false );
return 0;
}
QWidget *widget = widgetList.at( i );
return widget;
}
#ifndef Q_WS_MAC
void
bringToFront()
{
#if defined(Q_WS_X11)
{
qDebug() << Q_FUNC_INFO;
QWidget* widget = tomahawkWindow();
if ( !widget )
return;
widget->show();
widget->activateWindow();
widget->raise();
WId wid = widget->winId();
NETWM::init();
XEvent e;
e.xclient.type = ClientMessage;
e.xclient.message_type = NETWM::NET_ACTIVE_WINDOW;
e.xclient.display = QX11Info::display();
e.xclient.window = wid;
e.xclient.format = 32;
e.xclient.data.l[0] = 2;
e.xclient.data.l[1] = QX11Info::appTime();
e.xclient.data.l[2] = 0;
e.xclient.data.l[3] = 0l;
e.xclient.data.l[4] = 0l;
XSendEvent( QX11Info::display(), RootWindow( QX11Info::display(), DefaultScreen( QX11Info::display() ) ), False, SubstructureRedirectMask | SubstructureNotifyMask, &e );
}
#elif defined(Q_WS_WIN)
{
qDebug() << Q_FUNC_INFO;
QWidget* widget = tomahawkWindow();
if ( !widget )
return;
widget->show();
widget->activateWindow();
widget->raise();
WId wid = widget->winId();
HWND hwndActiveWin = GetForegroundWindow();
int idActive = GetWindowThreadProcessId(hwndActiveWin, NULL);
if ( AttachThreadInput(GetCurrentThreadId(), idActive, TRUE) )
{
SetForegroundWindow( wid );
SetFocus( wid );
AttachThreadInput(GetCurrentThreadId(), idActive, FALSE);
}
}
#endif
}
#endif
QPixmap
createAvatarFrame( const QPixmap &avatar )
{
QPixmap frame( ":/data/images/avatar_frame.png" );
QPixmap scaledAvatar = avatar.scaled( frame.height() * 75 / 100, frame.width() * 75 / 100, Qt::KeepAspectRatio, Qt::SmoothTransformation );
QPainter painter( &frame );
painter.drawPixmap( (frame.height() - scaledAvatar.height()) / 2, (frame.width() - scaledAvatar.width()) / 2, scaledAvatar );
return frame;
}
int
headerHeight()
{
return s_headerHeight;
}
void
setHeaderHeight( int height )
{
s_headerHeight = height;
}
} // ns

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src/libtomahawk/utils/tomahawkutilsgui.h Normal file
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/* === This file is part of Tomahawk Player - <http://tomahawk-player.org> ===
*
* Copyright 2010-2011, Christian Muehlhaeuser <muesli@tomahawk-player.org>
*
* Tomahawk 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 3 of the License, or
* (at your option) any later version.
*
* Tomahawk 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 Tomahawk. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef TOMAHAWKUTILSGUI_H
#define TOMAHAWKUTILSGUI_H
#include "tomahawkutils.h"
#include "dllmacro.h"
class QPainter;
class QColor;
class QPixmap;
class QLayout;
class QPalette;
class QRect;
namespace TomahawkUtils
{
DLLEXPORT void drawQueryBackground( QPainter* p, const QPalette& palette, const QRect& r, qreal lightnessFactor = 1 );
DLLEXPORT QWidget* tomahawkWindow();
/// Platform-specific bringing tomahawk mainwindow to front, b/c qt's activate() and such don't seem to work well enough for us
DLLEXPORT void bringToFront();
DLLEXPORT QPixmap createAvatarFrame( const QPixmap &avatar );
DLLEXPORT QColor alphaBlend( const QColor& colorFrom, const QColor& colorTo, float opacity );
DLLEXPORT QPixmap createDragPixmap( MediaType type, int itemCount = 1 );
DLLEXPORT void drawBackgroundAndNumbers( QPainter* p, const QString& text, const QRect& rect );
DLLEXPORT void unmarginLayout( QLayout* layout );
DLLEXPORT int headerHeight();
DLLEXPORT void setHeaderHeight( int height );
}
#endif // TOMAHAWKUTILSGUI_H