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indicators.cpp
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indicators.cpp
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/*
* Bespin style for Qt4
* Copyright 2007-2012 by Thomas Lübking <thomas.luebking@gmail.com>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "draw.h"
void
Style::drawCheckMark(const QStyleOption *option, QPainter *painter, Check::Type type) const
{
// the checkmark (using brush)
painter->setPen(Qt::NoPen);
painter->setRenderHint(QPainter::Antialiasing);
bool isOn = option->state & QStyle::State_On;
switch (type)
{
case Check::X:
{
const int d = RECT.height()/8,
c = RECT.height()/2,
s = RECT.width(),
x = RECT.x(), y = RECT.y();
if (isOn)
{
const QPoint points[8] =
{
QPoint(x+c,y+c-d), QPoint(x,y),
QPoint(x+c-d,y+c), QPoint(x,y+s),
QPoint(x+c,y+c+d), QPoint(x+s,y+s),
QPoint(x+c+d,y+c), QPoint(x+s,y)
};
painter->drawPolygon(points, 8);
}
else
{ // tristate
const QPoint points[5] =
{
QPoint(x+c,y+c-d), QPoint(x,y), QPoint(x+c-d,y+c),
QPoint(x+s,y+s), QPoint(x+c+d,y+c),
};
painter->drawPolygon(points, 5);
}
break;
}
default:
case Check::V:
{
if (isOn)
{
const QPoint points[4] =
{
QPoint(RECT.right(), RECT.top()),
QPoint(RECT.x()+RECT.width()/4, RECT.bottom()),
QPoint(RECT.x(), RECT.bottom()-RECT.height()/2),
QPoint(RECT.x()+RECT.width()/4, RECT.bottom()-RECT.height()/4)
};
painter->drawPolygon(points, 4);
}
else
{ // tristate
const int d = 2*RECT.height()/5;
QRect r = RECT.adjusted(F(2),d,-F(2),-d);
painter->drawRect(r);
}
break;
}
case Check::O:
{
const int d = RECT.height()/8;
QRect r = RECT.adjusted(d,d,-d,-d);
if (!isOn)
r.adjust(0,r.height()/4,0,-r.height()/4);
painter->drawRoundRect(r,70,70);
}
}
}
void
Style::drawCheck(const QStyleOption *option, QPainter *painter, const QWidget*, bool itemview) const
{
if (const QStyleOptionViewItemV2 *item = qstyleoption_cast<const QStyleOptionViewItemV2 *>(option))
if (!(item->features & QStyleOptionViewItemV2::HasCheckIndicator))
return;
// if (option->state & State_NoChange)
// break;
QStyleOption copy = *option;
const int f2 = F(2);
// storage
painter->save();
QBrush oldBrush = painter->brush();
painter->setRenderHint(QPainter::Antialiasing);
// rect -> square
QRect r = RECT;
if (r.width() > r.height())
r.setWidth(r.height());
else
r.setHeight(r.width());
// box (requires set pen for PE_IndicatorMenuCheckMark)
painter->setBrush(Qt::NoBrush);
QPalette::ColorRole fg = QPalette::Text, bg = QPalette::Base;
if (itemview)
{ // itemViewCheck
r.adjust(f2, f2, -f2, -f2);
if (!(option->state & State_Off))
copy.state |= State_On;
if (option->state & State_Selected)
{ fg = QPalette::HighlightedText; bg = QPalette::Highlight; }
painter->setPen(Colors::mid(COLOR(bg), COLOR(fg)));
}
if (appType != GTK)
{
if (painter->pen() != Qt::NoPen)
{ r.adjust(f2, f2, -f2, -f2); painter->drawRoundRect(r); }
if (option->state & State_Off) // not checked, get out
{ painter->restore(); return; }
}
else
{
copy.rect.adjust(F(1), F(5), -F(6), -F(2));
oldBrush = painter->pen().brush();
copy.state |= State_On;
}
// checkmark
if (itemview)
painter->setBrush(COLOR(fg));
else
{
painter->setBrush(oldBrush);
painter->setBrushOrigin(r.topLeft());
}
copy.rect.adjust(F(3),0,0,-F(3));
drawCheckMark(©, painter, Check::V);
painter->restore();
}
/**static!*/ void
Style::drawExclusiveCheck(const QStyleOption * option, QPainter * painter, const QWidget *)
{
painter->save();
painter->setBrush(Qt::NoBrush);
painter->setRenderHint ( QPainter::Antialiasing );
painter->drawEllipse ( RECT );
if (option->state & State_On)
{
painter->setBrush ( painter->pen().color() );
const int dx = 3*RECT.width()/8, dy = 3*RECT.height()/8;
painter->drawEllipse ( RECT.adjusted(dx, dy, -dx, -dy) );
}
painter->restore();
}
#define SET_POINTS(_P1_, _P2_, _P3_)\
points[0] = _P1_; points[1] = _P2_; points[2] = _P3_;
/**static!*/ void
Style::drawArrow(Navi::Direction dir, const QRect &rect, QPainter *painter, const QWidget*)
{
// create an appropriate rect and move it to center of desired rect
int s = qMin(rect.width(), rect.height());
QRect r;
if (!(s%2)) s -= 1; // shall be odd!
if (dir > Navi::E)
{ // diagonal
s = int(s/1.4142135623); // sqrt(2)...
r.setRect ( 0, 0, s, s );
}
else if (dir < Navi::W) // North/South
r.setRect ( 0, 0, s, s/2+1 );
else // East/West
r.setRect ( 0, 0, s/2+1, s );
r.moveCenter(rect.center());
QPoint points[3];
switch (dir)
{
case Navi::N:
// r.adjust(0,0,1,1);
SET_POINTS(QPoint(r.center().x(), r.top()), r.bottomRight(), r.bottomLeft());
break;
case Navi::E:
SET_POINTS(r.topLeft(), QPoint(r.right(), r.center().y()), r.bottomLeft());
break;
case Navi::S:
// r.adjust(0,0,1,1);
SET_POINTS(r.topRight(), r.topLeft(), QPoint(r.center().x(), r.bottom()));
break;
case Navi::W:
SET_POINTS(QPoint(r.left(), r.center().y()), r.topRight(), r.bottomRight());
break;
case Navi::NW:
SET_POINTS(r.topLeft(), r.topRight(), r.bottomLeft());
break;
case Navi::NE:
SET_POINTS(r.topLeft(), r.topRight(), r.bottomRight());
break;
case Navi::SE:
SET_POINTS(r.topRight(), r.bottomRight(), r.bottomLeft());
break;
case Navi::SW:
SET_POINTS(r.topLeft(), r.bottomRight(), r.bottomLeft());
break;
}
// don't need antialiasing, our triangles are PERFECT ;)
SAVE_ANTIALIAS
painter->setRenderHint(QPainter::Antialiasing, false);
bool reset_pen = (painter->pen() == Qt::NoPen);
if (reset_pen)
painter->setPen(QPen(painter->brush(), 1));
painter->drawPolygon(points, 3);
if (reset_pen)
painter->setPen(Qt::NoPen);
RESTORE_ANTIALIAS
}
extern bool isUrlNaviButtonArrow;
/**static!*/ void
Style::drawSolidArrow(Navi::Direction dir, const QRect &rect, QPainter *painter, const QWidget *w)
{
if (isUrlNaviButtonArrow)
{
if ( painter->brush() != Qt::NoBrush &&
(!w || painter->brush().color().rgb() == w->palette().color(QPalette::HighlightedText).rgb()) &&
painter->brush().color().alpha() < 255 )
dir = (dir == Navi::W) ? Navi::SW : Navi::SE;
if (w)
{
painter->setBrush(w->palette().color(w->foregroundRole()));
painter->setPen(w->palette().color(w->foregroundRole()));
}
}
bool hadNoBrush = painter->brush() == Qt::NoBrush;
if (hadNoBrush)
painter->setBrush(painter->pen().brush());
drawArrow(dir, rect, painter, w);
if (hadNoBrush)
painter->setBrush(Qt::NoBrush);
}