void draw_stop_line( int x1, int y1, int center_to_road, int road_width, int n_lines, int ratio, CDC* pDC )
{
center_to_road = STOP_LINE;
int x5 = get_x5(x1,STOP_LINE,ratio);
int y5 = get_y5(y1,STOP_LINE,ratio);
int x6 = get_x6(get_x2(x1,road_width,ratio),STOP_LINE,ratio);
int y6 = get_y6(get_y2(y1,road_width,ratio),STOP_LINE,ratio);
float fac = (float)n_lines*(float)LINE_WIDTH / road_width;
int x7 = x5+(x6-x5)*fac;
int y7 = y5+(y6-y5)*fac;
CPen line_edge_pen(PS_SOLID,2,RGB(0,0,0));
auto old_pen = pDC->SelectObject(line_edge_pen);
pDC->MoveTo(x5,y5);
pDC->LineTo(x7,y7);
pDC->MoveTo(x7,y7 );
pDC->SelectObject(old_pen);
CPen center_pen(PS_SOLID,2,RGB(255,255,0));
pDC->SelectObject(center_pen);
pDC->LineTo(get_x4(x7,MAIN_RECT_WIDTH,ratio),get_y4(y7,MAIN_RECT_WIDTH,ratio));
pDC->SelectObject(old_pen);
int line_start_x = x_move_to(x5,LINE_WIDTH,ratio);
int line_start_y = y_move_to(y5,LINE_WIDTH,ratio);
CPen line_pen(PS_DASH,1,LINE_EDGE_COLOR.rgb());
old_pen = pDC->SelectObject(line_pen);
int total_lines=road_width/LINE_WIDTH;
while (--total_lines>0) {
pDC->MoveTo(line_start_x,line_start_y);
if (total_lines == n_lines) {
line_start_x = x_move_to(line_start_x,LINE_WIDTH,ratio);
line_start_y = y_move_to(line_start_y,LINE_WIDTH,ratio);
continue;
}
pDC->LineTo(get_x4(line_start_x,MAIN_RECT_WIDTH,ratio),get_y4(line_start_y,MAIN_RECT_WIDTH,ratio));
line_start_x = x_move_to(line_start_x,LINE_WIDTH,ratio);
line_start_y = y_move_to(line_start_y,LINE_WIDTH,ratio);
}
pDC->SelectObject(old_pen);
}
void Pitch::draw_pitch()
{
scene.clear();
footballers.clear();
balls.clear();
scene.update();
viewport()->update();
QPen line_pen(Qt::black);
for(int i = 0; i < 8; i++)
{
scene.addLine(0, i * ROW_SIZE, 7 * ROW_SIZE, i * ROW_SIZE, line_pen);
scene.addLine(i * ROW_SIZE, 0, i * ROW_SIZE, 7 * ROW_SIZE, line_pen);
}
fitInView(scene.sceneRect());
for(int i = 0; i < 14; i++)
{
footballers.append(new Footballer(game->id_color(i), i % 7, ROW_SIZE));
scene.addItem(footballers.last());
footballers.last()->setPos(pos_to_coord(game->get_elem_pos(i)));
QObject::connect(footballers.last(), SIGNAL(chosen(int,int)), this,
SLOT(show_pos_moves(int,int)));
QObject::connect(footballers.last(), SIGNAL(anim_start()), this, SLOT(on_anim_start()));
QObject::connect(footballers.last(), SIGNAL(anim_end()), this, SLOT(on_anim_end()));
}
balls.append(new Ball(Game::WHITE, ROW_SIZE));
scene.addItem(balls.last());
int wh_ball_pos = game->get_elem_pos(game->get_ball_owner(Game::WHITE));
int bl_ball_pos = game->get_elem_pos(game->get_ball_owner(Game::BLACK));
balls.last()->setPos(ball_pos_to_coord(wh_ball_pos));
QObject::connect(balls.last(), SIGNAL(anim_start()), this, SLOT(on_anim_start()));
QObject::connect(balls.last(), SIGNAL(anim_end()), this, SLOT(on_anim_end()));
balls.append(new Ball(Game::BLACK, ROW_SIZE));
scene.addItem(balls.last());
balls.last()->setPos(ball_pos_to_coord(bl_ball_pos));
QObject::connect(balls.last(), SIGNAL(anim_start()), this, SLOT(on_anim_start()));
QObject::connect(balls.last(), SIGNAL(anim_end()), this, SLOT(on_anim_end()));
update_state();
}
void RelatedPacketDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option,
const QModelIndex &index) const
{
#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
QStyleOptionViewItemV4 option_vi = option;
#else
QStyleOptionViewItem option_vi = option;
#endif
QStyledItemDelegate::initStyleOption(&option_vi, index);
int em_w = option_vi.fontMetrics.height();
int en_w = (em_w + 1) / 2;
int line_w = (option_vi.fontMetrics.lineWidth());
#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
option_vi.features |= QStyleOptionViewItemV4::HasDecoration;
#else
option_vi.features |= QStyleOptionViewItem::HasDecoration;
#endif
option_vi.decorationSize.setHeight(1);
option_vi.decorationSize.setWidth(em_w);
QStyledItemDelegate::paint(painter, option_vi, index);
guint32 setup_frame = 0, last_frame = 0;
if (conv_) {
setup_frame = (int) conv_->setup_frame;
last_frame = (int) conv_->last_frame;
}
const frame_data *fd;
PacketListRecord *record = static_cast<PacketListRecord*>(index.internalPointer());
if (!record || (fd = record->frameData()) == NULL) {
return;
}
painter->save();
if (QApplication::style()->objectName().contains("vista")) {
// QWindowsVistaStyle::drawControl does this internally. Unfortunately there
// doesn't appear to be a more general way to do this.
option_vi.palette.setColor(QPalette::All, QPalette::HighlightedText, option_vi.palette.color(QPalette::Active, QPalette::Text));
}
QPalette::ColorGroup cg = option_vi.state & QStyle::State_Enabled
? QPalette::Normal : QPalette::Disabled;
QColor fg;
if (cg == QPalette::Normal && !(option_vi.state & QStyle::State_Active))
cg = QPalette::Inactive;
if (option_vi.state & QStyle::State_Selected) {
fg = option_vi.palette.color(cg, QPalette::HighlightedText);
} else {
fg = option_vi.palette.color(cg, QPalette::Text);
}
fg = ColorUtils::alphaBlend(fg, option_vi.palette.color(cg, QPalette::Base), 0.5);
QPen line_pen(fg);
line_pen.setWidth(line_w);
line_pen.setJoinStyle(Qt::RoundJoin);
painter->setPen(line_pen);
painter->translate(option_vi.rect.x(), option_vi.rect.y());
painter->translate(en_w + 0.5, 0.5);
painter->setRenderHint(QPainter::Antialiasing, true);
int height = option_vi.rect.height();
// Uncomment to make the boundary visible.
// painter->save();
// painter->setPen(Qt::darkRed);
// painter->drawRect(QRectF(0.5, 0.5, en_w - 1, height - 1));
// painter->restore();
// The current decorations are based on what looked good and were easy
// to code.
// It might be useful to have a JACKPOT_MODE define that shows each
// decoration in sequence in order to make it easier to create
// screenshots for the User's Guide.
// Vertical line. Lower and upper half for the start and end of the
// conversation respectively, solid for conversation member, dashed
// for other packets in the start-end range.
if (setup_frame > 0 && last_frame > 0 && setup_frame != last_frame) {
if (fd->num == setup_frame) {
QPoint start_line[] = {
QPoint(en_w - 1, height / 2),
QPoint(0, height / 2),
QPoint(0, height)
};
painter->drawPolyline(start_line, 3);
} else if (fd->num > setup_frame && fd->num < last_frame) {
painter->save();
if (conv_ != record->conversation()) {
QPen other_pen(line_pen);
other_pen.setStyle(Qt::DashLine);
painter->setPen(other_pen);
}
painter->drawLine(0, 0, 0, height);
painter->restore();
} else if (fd->num == last_frame) {
QPoint end_line[] = {
QPoint(en_w - 1, height / 2),
QPoint(0, height / 2),
QPoint(0, 0)
};
painter->drawPolyline(end_line, 3);
}
}
// Related packet indicator. Rightward arrow for requests, leftward
// arrow for responses, circle for others.
// XXX These are comically oversized when we have multi-line rows.
if (related_frames_.contains(fd->num)) {
painter->setBrush(fg);
switch (related_frames_[fd->num]) {
// Request and response arrows are moved forward one pixel in order to
// maximize white space between the heads and the conversation line.
case FT_FRAMENUM_REQUEST:
{
int hh = height / 2;
QPoint tail(2 - en_w, hh);
QPoint head(en_w, hh);
drawArrow(painter, tail, head, hh / 2);
break;
}
case FT_FRAMENUM_RESPONSE:
{
int hh = height / 2;
QPoint tail(en_w - 1, hh);
QPoint head(1 - en_w, hh);
drawArrow(painter, tail, head, hh / 2);
break;
}
case FT_FRAMENUM_ACK:
{
QRect bbox (2 - en_w, height / 3, em_w - 2, height / 2);
drawCheckMark(painter, bbox);
break;
}
case FT_FRAMENUM_DUP_ACK:
{
QRect bbox (2 - en_w, (height / 3) - (line_w * 2), em_w - 2, height / 2);
drawCheckMark(painter, bbox);
bbox.moveTop(bbox.top() + (line_w * 3));
drawCheckMark(painter, bbox);
break;
}
case FT_FRAMENUM_NONE:
default:
painter->drawEllipse(QPointF(0.0, option_vi.rect.height() / 2), 2, 2);
}
}
painter->restore();
}
void MainWindow::paintEvent(QPaintEvent *)
{
QPainter painter(this);
painter.save();
//fist, draw a rounded rect for header & graphic area;
painter.drawRoundedRect(header_area,15,15);
painter.drawRoundedRect(curve_area.x(),curve_area.y(),curve_area.width(),table_area.y()+table_area.height()-curve_area.y(),15,15);
//painter.drawRoundedRect(curve_area,15,15);
painter.setPen(Qt::SolidLine);
QFont Nr_font("Arial",8);
QPen nom_line_pen(Qt::black, 1.5, Qt::SolidLine);
QPen act_line_pen(Qt::red, 1.5 ,Qt::SolidLine);
QPen line_pen(Qt::blue, 1 , Qt::SolidLine);
QPen tol_line_pen(Qt::green, 1 , Qt::SolidLine);
//move the painter to the left mid position
painter.translate(curve_area.x()+gap,curve_area.center().y());
//draw coordinate axis
QPen axis_pen(Qt::blue,1,Qt::SolidLine);
painter.setPen(axis_pen);
painter.drawLine(0,curve_area.height()/2-10,curve_area.width()-gap*2,curve_area.height()/2-10);
painter.drawLine(curve_area.width()/2-gap,curve_area.height()/2,curve_area.width()/2-gap,-curve_area.height()/2);
//draw X axis sign & number
painter.setFont(Nr_font);
int be,en;
be = std::ceil(min_x)+1;
en = std::floor(max_x)-1;
for(int i=be;i<=en;++i)
{
painter.drawLine((i-min_x)*scale_x,curve_area.height()/2-5,(i-min_x)*scale_x,curve_area.height()/2-15);
painter.drawText((i-min_x)*scale_x+3,curve_area.height()/2,QString("%1").arg(i));
}
//draw Y axis sign & number
be = std::ceil(min_y*1000);
en = std::floor(max_y*1000);
be-=3;
en+=4;
//draw 10e-3
painter.drawText(curve_area.width()/2-gap-20,-curve_area.height()/2+10,
10,10,
Qt::AlignRight|Qt::AlignVCenter,QString("10"));
painter.setFont(QFont("Arial",6));
painter.drawText(curve_area.width()/2-gap-12,-curve_area.height()/2+7,
10,10,
Qt::AlignRight|Qt::AlignVCenter,QString("-3"));
for(int i=be;i<=en;i++)
{
if (i%2==0)
{
painter.drawLine(curve_area.width()/2-gap-5,(double(i)/1000-(min_y+max_y)/2)*scale_y,
curve_area.width()/2-gap+5,(double(i)/1000-(min_y+max_y)/2)*scale_y);
painter.drawText(curve_area.width()/2-gap-15,(double(i)/1000-(min_y+max_y)/2)*scale_y-5,
10,10,
Qt::AlignRight|Qt::AlignVCenter,QString("%1").arg(i));
}
else
{
painter.drawLine(curve_area.width()/2-gap-2,(double(i)/1000-(min_y+max_y)/2)*scale_y,
curve_area.width()/2-gap+2,(double(i)/1000-(min_y+max_y)/2)*scale_y);
}
}
//draw nominal und actual curves
painter.setPen(nom_line_pen);
painter.drawPath(*nom_path);
painter.setPen(act_line_pen);
painter.drawPath(*act_path);
painter.setPen(tol_line_pen);
painter.drawPath(*ut_path);
painter.drawPath(*lt_path);
//painter.drawPoints(nom_points,data->size());
//draw nominal points as single points
painter.setPen(line_pen);
for(int i=0;i<size;++i)
{
painter.drawEllipse(nom_points[i],1.2,1.2);
}
//draw nominal points number
for(int i=0;i<28;i++)
{
painter.drawLine(nom_points[i],QPointF(nom_points[i].x(),-curve_area.height()/2+50));
painter.save();
painter.translate(nom_points[i].x()-2,-curve_area.height()/2+50);
painter.rotate(-40);
painter.setFont(Nr_font);
painter.drawText(0,0,QString("%1").arg(i+1));
painter.restore();
}
//draw profile value
painter.restore();
painter.save();
painter.translate(table_area.center().x(),table_area.y());
for(int i=0;i<3;++i)
{
painter.drawRect(-90+i*60,5,60,20);
}
painter.drawArc(-70,10,20,20,0,180*16);
painter.drawText(-30,5,60,20,Qt::AlignCenter,QString("%1").arg(profil));
painter.drawText(30,5,60,20,Qt::AlignCenter,QString("%1").arg(QString::number(act_profil,'f',4)));
//draw data tables
painter.restore();
painter.save();
painter.translate(table_area.x(),table_area.y());
//set draw paras for the table lines & fonts
painter.setPen(axis_pen);
QRectF one_cell(0,0,50,15);
QRectF title_cell(0,0,80,15);
QPointF start_pos(60,40);
QFont word_font("Times New Roman",10);
QFont num_font("Times New Roman",10);
num_font.setLetterSpacing(QFont::AbsoluteSpacing,1.5);
//draw first line table and data
painter.drawRect(start_pos.x(),start_pos.y(),title_cell.width(),title_cell.height());
for(int i=1;i<5;++i)
{
painter.drawRect(start_pos.x(),start_pos.y()+title_cell.height()*i+5,title_cell.width(),title_cell.height());
}
for(int j=1;j<15;++j)
{
painter.drawRect(start_pos.x()+title_cell.width()+gap+(j-1)*one_cell.width(),start_pos.y(),one_cell.width(),one_cell.height());
for(int i=1;i<5;++i)
{
painter.drawRect(start_pos.x()+title_cell.width()+gap+(j-1)*one_cell.width(),start_pos.y()+one_cell.height()*i+5,one_cell.width(),one_cell.height());
}
}
//draw text for titles
painter.setFont(word_font);
painter.drawText(start_pos.x(),start_pos.y(),title_cell.width(),title_cell.height(),Qt::AlignHCenter|Qt::AlignBottom,
QString("number"));
{
int i;
i=1;
painter.drawText(start_pos.x(),start_pos.y()+title_cell.height()*i+5,title_cell.width(),title_cell.height(),
Qt::AlignHCenter|Qt::AlignBottom,QString("X [mm]"));
i=2;
painter.drawText(start_pos.x(),start_pos.y()+title_cell.height()*i+5,title_cell.width(),title_cell.height(),
Qt::AlignHCenter|Qt::AlignBottom,QString("Ys [um]"));
i=3;
painter.drawText(start_pos.x(),start_pos.y()+title_cell.height()*i+5,title_cell.width(),title_cell.height(),
Qt::AlignHCenter|Qt::AlignBottom,QString("Yi [um]"));
i=4;
painter.drawText(start_pos.x(),start_pos.y()+title_cell.height()*i+5,title_cell.width(),title_cell.height(),
Qt::AlignHCenter|Qt::AlignBottom,QString("dev.[um]"));
}
//draw the data
painter.setFont(num_font);
for (int i=0;i<14;++i)
{
painter.drawText(start_pos.x()+title_cell.width()+gap+(i)*one_cell.width(),start_pos.y(),one_cell.width(),one_cell.height(),
Qt::AlignHCenter|Qt::AlignBottom,QString("%1").arg(i+1));
{
int j=1;
painter.drawText(start_pos.x()+title_cell.width()+gap+(i)*one_cell.width(),start_pos.y()+one_cell.height()*j+5,
one_cell.width()-2,one_cell.height(),
Qt::AlignVCenter|Qt::AlignRight,
QString("%1").arg(QString::number(nom_data->at(i).x,'f',2)));
j=2;
painter.drawText(start_pos.x()+title_cell.width()+gap+(i)*one_cell.width(),start_pos.y()+one_cell.height()*j+5,
one_cell.width()-2,one_cell.height(),
Qt::AlignVCenter|Qt::AlignRight,
QString("%1").arg(QString::number(nom_data->at(i).y*1000,'f',2)));
j=3;
painter.drawText(start_pos.x()+title_cell.width()+gap+(i)*one_cell.width(),start_pos.y()+one_cell.height()*j+5,
one_cell.width()-2,one_cell.height(),
Qt::AlignVCenter|Qt::AlignRight,
QString("%1").arg(QString::number(act_data->at(i).y*1000,'f',2)));
j=4;
painter.drawText(start_pos.x()+title_cell.width()+gap+(i)*one_cell.width(),start_pos.y()+one_cell.height()*j+5,
one_cell.width()-2,one_cell.height(),
Qt::AlignVCenter|Qt::AlignRight,
QString("%1").arg(QString::number((act_data->at(i).y-nom_data->at(i).y)*1000,'f',2)));
}
}
painter.translate(0,90);
painter.drawRect(start_pos.x(),start_pos.y(),title_cell.width(),title_cell.height());
for(int i=1;i<5;++i)
{
painter.drawRect(start_pos.x(),start_pos.y()+title_cell.height()*i+5,title_cell.width(),title_cell.height());
}
for(int j=1;j<15;++j)
{
painter.drawRect(start_pos.x()+title_cell.width()+gap+(j-1)*one_cell.width(),start_pos.y(),one_cell.width(),one_cell.height());
for(int i=1;i<5;++i)
{
painter.drawRect(start_pos.x()+title_cell.width()+gap+(j-1)*one_cell.width(),start_pos.y()+one_cell.height()*i+5,one_cell.width(),one_cell.height());
}
}
//draw text for titles
painter.setFont(word_font);
painter.drawText(start_pos.x(),start_pos.y(),title_cell.width(),title_cell.height(),Qt::AlignHCenter|Qt::AlignBottom,
QString("number"));
{
int i;
i=1;
painter.drawText(start_pos.x(),start_pos.y()+title_cell.height()*i+5,title_cell.width(),title_cell.height(),
Qt::AlignHCenter|Qt::AlignBottom,QString("X [mm]"));
i=2;
painter.drawText(start_pos.x(),start_pos.y()+title_cell.height()*i+5,title_cell.width(),title_cell.height(),
Qt::AlignHCenter|Qt::AlignBottom,QString("Ys [um]"));
i=3;
painter.drawText(start_pos.x(),start_pos.y()+title_cell.height()*i+5,title_cell.width(),title_cell.height(),
Qt::AlignHCenter|Qt::AlignBottom,QString("Yi [um]"));
i=4;
painter.drawText(start_pos.x(),start_pos.y()+title_cell.height()*i+5,title_cell.width(),title_cell.height(),
Qt::AlignHCenter|Qt::AlignBottom,QString("dev.[um]"));
}
//draw the data
painter.setFont(num_font);
for (int i=14;i<28;++i)
{
painter.drawText(start_pos.x()+title_cell.width()+gap+(i-14)*one_cell.width(),start_pos.y(),one_cell.width(),one_cell.height(),
Qt::AlignHCenter|Qt::AlignBottom,QString("%1").arg(i+1));
{
int j=1;
painter.drawText(start_pos.x()+title_cell.width()+gap+(i-14)*one_cell.width(),start_pos.y()+one_cell.height()*j+5,
one_cell.width()-2,one_cell.height(),
Qt::AlignVCenter|Qt::AlignRight,
QString("%1").arg(QString::number(nom_data->at(i).x,'f',2)));
j=2;
painter.drawText(start_pos.x()+title_cell.width()+gap+(i-14)*one_cell.width(),start_pos.y()+one_cell.height()*j+5,
one_cell.width()-2,one_cell.height(),
Qt::AlignVCenter|Qt::AlignRight,
QString("%1").arg(QString::number(nom_data->at(i).y*1000,'f',2)));
j=3;
painter.drawText(start_pos.x()+title_cell.width()+gap+(i-14)*one_cell.width(),start_pos.y()+one_cell.height()*j+5,
one_cell.width()-2,one_cell.height(),
Qt::AlignVCenter|Qt::AlignRight,
QString("%1").arg(QString::number(act_data->at(i).y*1000,'f',2)));
j=4;
painter.drawText(start_pos.x()+title_cell.width()+gap+(i-14)*one_cell.width(),start_pos.y()+one_cell.height()*j+5,
one_cell.width()-2,one_cell.height(),
Qt::AlignVCenter|Qt::AlignRight,
QString("%1").arg(QString::number((act_data->at(i).y-nom_data->at(i).y)*1000,'f',2)));
}
}
//draw a header and LOGO
painter.restore();
painter.drawPixmap(header_area.x()+20,header_area.y()+1,header_area.height()-2,header_area.height()-2,*logo);
painter.translate(header_area.x(),header_area.y());
QFont header_font("Arial",header_area.height()*3/10,10,true);
painter.setFont(header_font);
painter.drawText(0,0,header_area.width(),header_area.height()*6/10,Qt::AlignHCenter|Qt::AlignBottom,QString("PROFILFORM"));
header_font.setPointSize(header_area.height()*2/10);
painter.setFont(header_font);
painter.drawText(0,0,header_area.width(),header_area.height()*9/10,Qt::AlignHCenter|Qt::AlignBottom,QString("ISO 1101"));
header_font.setItalic(false);
header_font.setPointSize(9);
header_font.setFixedPitch(true);
painter.setFont(header_font);
painter.drawText(header_area.width()*8/10,header_area.height()*2/10,header_area.width()*2/10,header_area.height()*0.2,
Qt::AlignLeft|Qt::AlignVCenter,
QString("Inspector "));
painter.drawText(header_area.width()*8/10,header_area.height()*4/10,header_area.width()*2/10,header_area.height()*0.2,
Qt::AlignLeft|Qt::AlignVCenter,
QString("Date "));
painter.drawText(header_area.width()*8/10,header_area.height()*6/10,header_area.width()*2/10,header_area.height()*0.2,
Qt::AlignLeft|Qt::AlignVCenter,
QString("Time "));
painter.drawText(header_area.width()*9/10,header_area.height()*2/10,header_area.width()*1/10,header_area.height()*0.2,
Qt::AlignLeft|Qt::AlignVCenter,
QString(": %1").arg(xml_info->paras.value("operid")));
painter.drawText(header_area.width()*9/10,header_area.height()*4/10,header_area.width()*1/10,header_area.height()*0.2,
Qt::AlignLeft|Qt::AlignVCenter,
QString(": %1").arg(xml_info->paras.value("date")));
painter.drawText(header_area.width()*9/10,header_area.height()*6/10,header_area.width()*1/10,header_area.height()*0.2,
Qt::AlignLeft|Qt::AlignVCenter,
QString(": %1").arg(xml_info->paras.value("time")));
}
void PlaylistView::paintEvent(QPaintEvent* event) {
// Reimplemented to draw the background image.
// Reimplemented also to draw the drop indicator
// When the user is dragging some stuff over the playlist paintEvent gets
// called for the entire viewport every time the user moves the mouse.
// The drawTree is kinda expensive, so we cache the result and draw from the
// cache while the user is dragging. The cached pixmap gets invalidated in
// dragLeaveEvent, dropEvent and scrollContentsBy.
// Draw background
if (background_image_type_ == Custom ||
background_image_type_ == AlbumCover) {
if (!background_image_.isNull() || !previous_background_image_.isNull()) {
QPainter background_painter(viewport());
// Check if we should recompute the background image
if (height() != last_height_ || width() != last_width_ ||
force_background_redraw_) {
if (background_image_.isNull()) {
cached_scaled_background_image_ = QPixmap();
} else {
cached_scaled_background_image_ =
QPixmap::fromImage(background_image_.scaled(
width(), height(), Qt::KeepAspectRatioByExpanding,
Qt::SmoothTransformation));
}
last_height_ = height();
last_width_ = width();
force_background_redraw_ = false;
}
// Actually draw the background image
if (!cached_scaled_background_image_.isNull()) {
// Set opactiy only if needed, as this deactivate hardware acceleration
if (!qFuzzyCompare(previous_background_image_opacity_, qreal(0.0))) {
background_painter.setOpacity(1.0 -
previous_background_image_opacity_);
}
background_painter.drawPixmap(
(width() - cached_scaled_background_image_.width()) / 2,
(height() - cached_scaled_background_image_.height()) / 2,
cached_scaled_background_image_);
}
// Draw the previous background image if we're fading
if (!previous_background_image_.isNull()) {
background_painter.setOpacity(previous_background_image_opacity_);
background_painter.drawPixmap(
(width() - previous_background_image_.width()) / 2,
(height() - previous_background_image_.height()) / 2,
previous_background_image_);
}
}
}
QPainter p(viewport());
if (drop_indicator_row_ != -1) {
if (cached_tree_.isNull()) {
cached_tree_ = QPixmap(size());
cached_tree_.fill(Qt::transparent);
QPainter cache_painter(&cached_tree_);
drawTree(&cache_painter, event->region());
}
p.drawPixmap(0, 0, cached_tree_);
} else {
drawTree(&p, event->region());
return;
}
const int first_column = header_->logicalIndex(0);
// Find the y position of the drop indicator
QModelIndex drop_index = model()->index(drop_indicator_row_, first_column);
int drop_pos = -1;
switch (dropIndicatorPosition()) {
case QAbstractItemView::OnItem:
return; // Don't draw anything
case QAbstractItemView::AboveItem:
drop_pos = visualRect(drop_index).top();
break;
case QAbstractItemView::BelowItem:
drop_pos = visualRect(drop_index).bottom() + 1;
break;
case QAbstractItemView::OnViewport:
if (model()->rowCount() == 0)
drop_pos = 1;
else
drop_pos = 1 + visualRect(model()->index(model()->rowCount() - 1,
first_column)).bottom();
break;
}
// Draw a nice gradient first
QColor line_color(QApplication::palette().color(QPalette::Highlight));
QColor shadow_color(line_color.lighter(140));
QColor shadow_fadeout_color(shadow_color);
shadow_color.setAlpha(255);
shadow_fadeout_color.setAlpha(0);
QLinearGradient gradient(QPoint(0, drop_pos - kDropIndicatorGradientWidth),
QPoint(0, drop_pos + kDropIndicatorGradientWidth));
gradient.setColorAt(0.0, shadow_fadeout_color);
gradient.setColorAt(0.5, shadow_color);
gradient.setColorAt(1.0, shadow_fadeout_color);
QPen gradient_pen(QBrush(gradient), kDropIndicatorGradientWidth * 2);
p.setPen(gradient_pen);
p.drawLine(QPoint(0, drop_pos), QPoint(width(), drop_pos));
// Now draw the line on top
QPen line_pen(line_color, kDropIndicatorWidth);
p.setPen(line_pen);
p.drawLine(QPoint(0, drop_pos), QPoint(width(), drop_pos));
}
