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//=============================================================================
// MusE Score
// Linux Music Score Editor
// $Id: textpalette.cpp 4612 2011-07-27 13:14:35Z wschweer $
//
// Copyright (C) 2002-2010 Werner Schweer and others
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2.
//
// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
//=============================================================================
#include "textpalette.h"
#include "icons.h"
#include "libmscore/text.h"
#include "libmscore/sym.h"
#include "libmscore/style.h"
#include "musescore.h"
extern TextPalette* textPalette;
//---------------------------------------------------------
// codeIcon
//---------------------------------------------------------
static QIcon codeIcon(const QString& s, QFont f)
{
f.setPixelSize(40);
int w = 40;
int h = 40;
QWidget wi;
QPixmap image(w, h);
QColor bg(wi.palette().brush(QPalette::Normal, QPalette::Window).color());
image.fill(QColor(255, 255, 255, 0));
QPainter painter(&image);
painter.setRenderHint(QPainter::TextAntialiasing, true);
painter.setFont(f);
QPen pen(wi.palette().brush(QPalette::Normal, QPalette::Text).color());
painter.setPen(pen);
painter.drawText(0, 0, w, h, Qt::AlignCenter, s);
painter.end();
return QIcon(image);
}
//---------------------------------------------------------
// TextPalette
//---------------------------------------------------------
TextPalette::TextPalette(QWidget* parent)
: QWidget(parent)
{
setWindowFlags(Qt::Tool);
setupUi(this);
QGridLayout* gl = new QGridLayout;
gl->setMargin(5);
gl->setSpacing(0);
symbolBox->setLayout(gl);
sg = new QButtonGroup(this);
musicalSymbols->setChecked(true);
for (unsigned i = 0; i < 256; ++i) {
QPushButton* tb = new QPushButton;
buttons[i] = tb;
tb->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
tb->setFixedSize(40, 40);
gl->addWidget(tb, i / 16, i % 16);
sg->addButton(tb, i);
}
curPage = 0;
populate();
connect(sg, SIGNAL(buttonClicked(int)), SLOT(symbolClicked(int)));
connect(musicalSymbols, SIGNAL(toggled(bool)), SLOT(populate()));
connect(codePage, SIGNAL(valueChanged(int)), SLOT(populate()));
setFocusPolicy(Qt::NoFocus);
}
//---------------------------------------------------------
// populate
//---------------------------------------------------------
void TextPalette::populate()
{
bool musical = musicalSymbols->isChecked();
// QFont f(musical ? "MScore1" : "FreeSerif");
QFont f("FreeSerifMscore");
f.setPixelSize(40);
codePage->setEnabled(!musical);
f.setStyleStrategy(QFont::NoFontMerging);
QFontMetrics fm(f);
int page = musical ? 0x1d1 : codePage->value();
int rowOffset = 0;
bool pageEmpty = true;
for (int row = 0; row < 16; ++row) {
bool rowEmpty = true;
for (int col = 0; col < 16; ++col) {
int idx = (row - rowOffset) * 16 + col;
int code = row * 16 + col + page * 256;
QPushButton* tb = buttons[idx];
//
// Font->inFont(QChar) does only work
// for unicode plane 0, as QChar is only
// 16 bit
//
tb->setFont(f);
#if QT_VERSION >= 0x040800
if (fm.inFontUcs4(code))
#else
if (fm.inFont(code) || (code & 0xffff0000))
#endif
{
rowEmpty = false;
QString ss;
if (code & 0xffff0000) {
ss = QChar(QChar::highSurrogate(code));
ss += QChar(QChar::lowSurrogate(code));
tb->setToolTip(QString("0x%1").arg(code, 5, 16, QLatin1Char('0')));
}
else {
ss = QChar(code);
tb->setToolTip(QString("0x%1").arg(code, 4, 16, QLatin1Char('0')));
}
tb->setIcon(codeIcon(ss, f));
sg->setId(tb, code);
tb->setEnabled(true);
}
else {
tb->setIcon(QIcon());
tb->setEnabled(false);
sg->setId(tb, -1); // no glyph available
}
}
if (rowEmpty)
++rowOffset;
else
pageEmpty = false;
}
for (int row = 16-rowOffset; row < 16; ++row) {
for (int col = 0; col < 16; ++col) {
int idx = row * 16 + col;
QPushButton* tb = buttons[idx];
tb->setIcon(QIcon());
sg->setId(tb, -1);
tb->setToolTip(QString(""));
}
}
if (pageEmpty) {
int diff = 1;
if (curPage > page)
diff = -1;
curPage = page;
page += diff;
codePage->setValue(page);
}
else
curPage = page;
}
//---------------------------------------------------------
// symbolClicked
//---------------------------------------------------------
void TextPalette::symbolClicked(int n)
{
if (n == -1)
return;
_textElement->addChar(n);
mscore->activateWindow();
}
//---------------------------------------------------------
// setText
//---------------------------------------------------------
void TextPalette::setText(Text* te)
{
_textElement = te;
}
//---------------------------------------------------------
// closeEvent
//---------------------------------------------------------
void TextPalette::closeEvent(QCloseEvent* ev)
{
QWidget::closeEvent(ev);
getAction("show-keys")->setChecked(false);
}
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