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Override default drawbounds().

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Now when "Display contents of moving/resizing" windows is disabled, a polygon
approximating the window shape is shown instead of the normal rectangle.

svn path=/trunk/kdebase/kwin/; revision=252937
This commit is contained in:
Luciano Montanaro 2003-09-21 20:43:44 +00:00
parent ef476127f8
commit adf7e8bad8
2 changed files with 45 additions and 0 deletions
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43
clients/b2/b2client.cpp
View file

@ -993,6 +993,49 @@ void B2Client::positionButtons()
titlebar->move(bar_x_ofs, 0);
}
// Transparent bound stuff.
static QRect *visible_bound;
static QPointArray bound_shape;
bool B2Client::drawbound(const QRect& geom, bool clear)
{
if (clear) {
if (!visible_bound) return true;
}
if (!visible_bound) {
visible_bound = new QRect(geom);
QRect t = titlebar->geometry();
int frameTop = geom.top() + t.bottom();
int barLeft = geom.left() + bar_x_ofs;
int barRight = barLeft + t.width() - 1;
if (barRight > geom.right()) barRight = geom.right();
bound_shape.putPoints(0, 8,
geom.left(), frameTop,
barLeft, frameTop,
barLeft, geom.top(),
barRight, geom.top(),
barRight, frameTop,
geom.right(), frameTop,
geom.right(), geom.bottom(),
geom.left(), geom.bottom());
} else {
*visible_bound = geom;
}
QPainter p(workspaceWidget());
p.setPen(QPen(Qt::white, 5));
p.setRasterOp(Qt::XorROP);
p.drawPolygon(bound_shape);
if (clear) {
delete visible_bound;
visible_bound = 0;
}
return true;
}
bool B2Client::eventFilter(QObject *o, QEvent *e)
{
if (o != widget())

2
clients/b2/b2client.h
View file

@ -99,6 +99,8 @@ public:
void unobscureTitlebar();
void titleMoveAbs(int new_ofs);
void titleMoveRel(int xdiff);
// transparent stuff
virtual bool drawbound(const QRect& geom, bool clear);
protected:
void resizeEvent( QResizeEvent* );
void paintEvent( QPaintEvent* );