#ifdef Q_WS_X11
# include <QX11Info>
# include <X11/Xlib.h>
-# include <X11/extensions/Xrender.h>
# include <X11/extensions/shape.h>
#endif
bool KToolTipDelegate::haveAlphaChannel() const
{
- return KToolTipManager::instance()->haveAlphaChannel();
+#ifdef Q_WS_X11
+ return QX11Info::isCompositingManagerRunning();
+#else
+ return false;
+#endif
}
-class KAbstractToolTipLabel
+class KTipLabel : public QWidget
{
public:
- KAbstractToolTipLabel() {}
- virtual ~KAbstractToolTipLabel() {}
-
- virtual void showTip(const QPoint &pos, const KToolTipItem *item) = 0;
- virtual void moveTip(const QPoint &pos) = 0;
- virtual void hideTip() = 0;
-
-protected:
- KStyleOptionToolTip styleOption() const;
- KToolTipDelegate *delegate() const;
-};
-
-KStyleOptionToolTip KAbstractToolTipLabel::styleOption() const
-{
- KStyleOptionToolTip option;
- KToolTipManager::instance()->initStyleOption(&option);
- return option;
-}
-
-KToolTipDelegate *KAbstractToolTipLabel::delegate() const
-{
- return KToolTipManager::instance()->delegate();
-}
-
-
-// ----------------------------------------------------------------------------
-
-
-
-class QWidgetLabel : public QWidget, public KAbstractToolTipLabel
-{
-public:
- QWidgetLabel();
+ KTipLabel();
void showTip(const QPoint &pos, const KToolTipItem *item);
void moveTip(const QPoint &pos);
void hideTip();
private:
void paintEvent(QPaintEvent*);
QSize sizeHint() const;
+ KStyleOptionToolTip styleOption() const;
+ KToolTipDelegate *delegate() const;
private:
const KToolTipItem *currentItem;
};
-QWidgetLabel::QWidgetLabel() : QWidget(0, Qt::ToolTip)
+KTipLabel::KTipLabel() : QWidget(0, Qt::ToolTip)
{
- if (KToolTipManager::instance()->haveAlphaChannel()) {
+#ifdef Q_WS_X11
+ if (QX11Info::isCompositingManagerRunning()) {
setAttribute(Qt::WA_TranslucentBackground);
}
+#endif
}
-void QWidgetLabel::showTip(const QPoint &pos, const KToolTipItem *item)
+void KTipLabel::showTip(const QPoint &pos, const KToolTipItem *item)
{
currentItem = item;
move(pos);
show();
}
-void QWidgetLabel::hideTip()
+void KTipLabel::hideTip()
{
hide();
currentItem = 0;
}
-void QWidgetLabel::moveTip(const QPoint &pos)
+void KTipLabel::moveTip(const QPoint &pos)
{
move(pos);
}
-void QWidgetLabel::paintEvent(QPaintEvent*)
+void KTipLabel::paintEvent(QPaintEvent*)
{
KStyleOptionToolTip option = styleOption();
option.rect = rect();
- setMask(delegate()->shapeMask(&option));
+#ifdef Q_WS_X11
+ if (QX11Info::isCompositingManagerRunning())
+ XShapeCombineRegion(x11Info().display(), winId(), ShapeInput, 0, 0,
+ delegate()->inputShape(&option).handle(), ShapeSet);
+ else
+#endif
+ setMask(delegate()->shapeMask(&option));
QPainter p(this);
p.setFont(option.font);
delegate()->paint(&p, &option, currentItem);
}
-QSize QWidgetLabel::sizeHint() const
+QSize KTipLabel::sizeHint() const
{
if (!currentItem)
return QSize();
return delegate()->sizeHint(&option, currentItem);
}
-
-
-// ----------------------------------------------------------------------------
-
-
-
-#ifdef Q_WS_X11
-
-// X11 specific label that displays the tip in an ARGB window.
-class ArgbLabel : public KAbstractToolTipLabel
-{
-public:
- ArgbLabel(Visual *visual, int depth);
- ~ArgbLabel();
-
- void showTip(const QPoint &pos, const KToolTipItem *item);
- void moveTip(const QPoint &pos);
- void hideTip();
-
-private:
- Window window;
- Colormap colormap;
- Picture picture;
- bool mapped;
-};
-
-ArgbLabel::ArgbLabel(Visual *visual, int depth)
-{
- Display *dpy = QX11Info::display();
- Window root = QX11Info::appRootWindow();
- colormap = XCreateColormap(dpy, QX11Info::appRootWindow(), visual, AllocNone);
-
- XSetWindowAttributes attr;
- attr.border_pixel = 0;
- attr.background_pixel = 0;
- attr.colormap = colormap;
- attr.override_redirect = True;
-
- window = XCreateWindow(dpy, root, 0, 0, 1, 1, 0, depth, InputOutput, visual,
- CWBorderPixel | CWBackPixel | CWColormap |
- CWOverrideRedirect, &attr);
-
- // ### TODO: Set the WM hints so KWin can identify this window as a
- // tooltip.
-
- XRenderPictFormat *format = XRenderFindVisualFormat(dpy, visual);
- picture = XRenderCreatePicture(dpy, window, format, 0, 0);
-
- mapped = false;
-}
-
-ArgbLabel::~ArgbLabel()
+KStyleOptionToolTip KTipLabel::styleOption() const
{
- Display *dpy = QX11Info::display();
- XRenderFreePicture(dpy, picture);
- XDestroyWindow(dpy, window);
- XFreeColormap(dpy, colormap);
-}
-
-void ArgbLabel::showTip(const QPoint &pos, const KToolTipItem *item)
-{
- Display *dpy = QX11Info::display();
- KStyleOptionToolTip option = styleOption();
- const QSize size = delegate()->sizeHint(&option, item);
- option.rect = QRect(QPoint(), size);
-
- QPixmap pixmap(size);
- pixmap.fill(Qt::transparent);
-
- QPainter p(&pixmap);
- p.setFont(option.font);
- p.setPen(QPen(option.palette.brush(QPalette::Text), 0));
- delegate()->paint(&p, &option, item);
-
- // Resize, position and show the window.
- XMoveResizeWindow(dpy, window, pos.x(), pos.y(), size.width(), size.height());
-
- if (KToolTipManager::instance()->haveAlphaChannel()) {
- const QRegion region = delegate()->inputShape(&option);
- XShapeCombineRegion(dpy, window, ShapeInput, 0, 0, region.handle(), ShapeSet);
- } else {
- const QRegion region = delegate()->shapeMask(&option);
- XShapeCombineRegion(dpy, window, ShapeBounding, 0, 0, region.handle(), ShapeSet);
- }
-
- XMapWindow(dpy, window);
-
- // Blit the pixmap with the tip contents to the window.
- // Since the window is override-redirect and an ARGB32 window,
- // which always has an offscreen pixmap, there's no need to
- // wait for an Expose event, or to process those.
- XRenderComposite(dpy, PictOpSrc, pixmap.x11PictureHandle(), None,
- picture, 0, 0, 0, 0, 0, 0, size.width(), size.height());
-
- mapped = true;
-}
-
-void ArgbLabel::moveTip(const QPoint &pos)
-{
- if (mapped)
- XMoveWindow(QX11Info::display(), window, pos.x(), pos.y());
+ KStyleOptionToolTip option;
+ KToolTipManager::instance()->initStyleOption(&option);
+ return option;
}
-void ArgbLabel::hideTip()
+KToolTipDelegate *KTipLabel::delegate() const
{
- if (mapped) {
- Display *dpy = QX11Info::display();
- XUnmapWindow(dpy, window);
- mapped = false;
- }
+ return KToolTipManager::instance()->delegate();
}
-#endif // Q_WS_X11
-
KToolTipManager *KToolTipManager::s_instance = 0;
KToolTipManager::KToolTipManager()
- : label(0), currentItem(0), m_delegate(0)
+ : label(new KTipLabel), currentItem(0), m_delegate(0)
{
-#ifdef Q_WS_X11
- Display *dpy = QX11Info::display();
- int screen = DefaultScreen(dpy);
- int depth = DefaultDepth(dpy, screen);
- Visual *visual = DefaultVisual(dpy, screen);
- net_wm_cm_s0 = XInternAtom(dpy, "_NET_WM_CM_S0", False);
- haveArgbVisual = false;
-
- int nvi;
- XVisualInfo templ;
- templ.screen = screen;
- templ.depth = 32;
- templ.c_class = TrueColor;
- XVisualInfo *xvi = XGetVisualInfo(dpy, VisualScreenMask | VisualDepthMask |
- VisualClassMask, &templ, &nvi);
-
- for (int i = 0; i < nvi; ++i)
- {
- XRenderPictFormat *format = XRenderFindVisualFormat(dpy, xvi[i].visual);
- if (format->type == PictTypeDirect && format->direct.alphaMask)
- {
- visual = xvi[i].visual;
- depth = xvi[i].depth;
- haveArgbVisual = true;
- break;
- }
- }
-
- if (haveArgbVisual)
- label = new ArgbLabel(visual, depth);
- else
-#endif
- label = new QWidgetLabel();
}
KToolTipManager::~KToolTipManager()
option->decorationSize = QSize(32, 32);
}
-bool KToolTipManager::haveAlphaChannel() const
-{
-#ifdef Q_WS_X11
- // ### This is a synchronous call - ideally we'd use a selection
- // watcher to avoid it.
- return haveArgbVisual &&
- XGetSelectionOwner(QX11Info::display(), net_wm_cm_s0) != None;
-#else
- return false;
-#endif
-}
-
void KToolTipManager::setDelegate(KToolTipDelegate *delegate)
{
m_delegate = delegate;