***************************************************************************/
#include "ktooltip.h"
+#include "ktooltip_p.h"
+#include "ktooltipdelegate.h"
#include <QApplication>
-#include <QMap>
-#include <QPixmap>
#include <QPainter>
-#include <QVariant>
-#include <QIcon>
#include <QWidget>
#include <QToolTip>
-#include <QDebug>
#ifdef Q_WS_X11
# include <QX11Info>
# include <X11/Xlib.h>
-# include <X11/extensions/Xrender.h>
# include <X11/extensions/shape.h>
#endif
-#include "ktooltip_p.h"
-
-
// compile with XShape older than 1.0
#ifndef ShapeInput
const int ShapeInput = 2;
#endif
-class KToolTipItemPrivate
-{
-public:
- QMap<int, QVariant> map;
- int type;
-};
-
-KToolTipItem::KToolTipItem(const QString &text, int type)
- : d(new KToolTipItemPrivate)
-{
- d->map[Qt::DisplayRole] = text;
- d->type = type;
-}
-
-KToolTipItem::KToolTipItem(const QIcon &icon, const QString &text, int type)
- : d(new KToolTipItemPrivate)
-{
- d->map[Qt::DecorationRole] = icon;
- d->map[Qt::DisplayRole] = text;
- d->type = type;
-}
-
-KToolTipItem::~KToolTipItem()
-{
- delete d;
-}
-
-int KToolTipItem::type() const
-{
- return d->type;
-}
-
-QString KToolTipItem::text() const
-{
- return data(Qt::DisplayRole).toString();
-}
-
-QIcon KToolTipItem::icon() const
-{
- return qvariant_cast<QIcon>(data(Qt::DecorationRole));
-}
-
-QVariant KToolTipItem::data(int role) const
-{
- return d->map.value(role);
-}
-
-void KToolTipItem::setData(int role, const QVariant &data)
-{
- d->map[role] = data;
- KToolTipManager::instance()->update();
-}
-
-
-
-// ----------------------------------------------------------------------------
-
-
-KStyleOptionToolTip::KStyleOptionToolTip()
- : fontMetrics(QApplication::font())
-{
-}
-
-
-// ----------------------------------------------------------------------------
-
-
-
-KToolTipDelegate::KToolTipDelegate() : QObject()
-{
-}
-
-KToolTipDelegate::~KToolTipDelegate()
-{
-}
-
-QSize KToolTipDelegate::sizeHint(const KStyleOptionToolTip *option, const KToolTipItem *item) const
-{
- QSize size;
- size.rwidth() = option->fontMetrics.width(item->text());
- size.rheight() = option->fontMetrics.lineSpacing();
-
- QIcon icon = item->icon();
- if (!icon.isNull()) {
- const QSize iconSize = icon.actualSize(option->decorationSize);
- size.rwidth() += iconSize.width() + 4;
- size.rheight() = qMax(size.height(), iconSize.height());
- }
-
- return size + QSize(20, 20);
-
-}
-
-void KToolTipDelegate::paint(QPainter *painter, const KStyleOptionToolTip *option,
- const KToolTipItem *item) const
-{
- bool haveAlpha = haveAlphaChannel();
- painter->setRenderHint(QPainter::Antialiasing);
-
- QPainterPath path;
- if (haveAlpha)
- path.addRoundRect(option->rect.adjusted(0, 0, -1, -1), 25);
- else
- path.addRect(option->rect.adjusted(0, 0, -1, -1));
-
- QColor color = option->palette.color(QPalette::ToolTipBase);
- QColor from = color.lighter(105);
- QColor to = color.darker(120);
-
- QLinearGradient gradient(0, 0, 0, 1);
- gradient.setCoordinateMode(QGradient::ObjectBoundingMode);
- gradient.setColorAt(0, from);
- gradient.setColorAt(1, to);
-
- painter->translate(.5, .5);
- painter->setPen(QPen(Qt::black, 1));
- painter->setBrush(gradient);
- painter->drawPath(path);
- painter->translate(-.5, -.5);
-
- if (haveAlpha) {
- QLinearGradient mask(0, 0, 0, 1);
- gradient.setCoordinateMode(QGradient::ObjectBoundingMode);
- gradient.setColorAt(0, QColor(0, 0, 0, 192));
- gradient.setColorAt(1, QColor(0, 0, 0, 72));
- painter->setCompositionMode(QPainter::CompositionMode_DestinationIn);
- painter->fillRect(option->rect, gradient);
- painter->setCompositionMode(QPainter::CompositionMode_SourceOver);
- }
-
- QRect textRect = option->rect.adjusted(10, 10, -10, -10);
-
- QIcon icon = item->icon();
- if (!icon.isNull()) {
- const QSize iconSize = icon.actualSize(option->decorationSize);
- painter->drawPixmap(textRect.topLeft(), icon.pixmap(iconSize));
- textRect.adjust(iconSize.width() + 4, 0, 0, 0);
- }
- painter->drawText(textRect, Qt::AlignLeft | Qt::AlignVCenter, item->text());
-}
-
-QRegion KToolTipDelegate::inputShape(const KStyleOptionToolTip *option) const
-{
- return QRegion(option->rect);
-}
-
-QRegion KToolTipDelegate::shapeMask(const KStyleOptionToolTip *option) const
-{
- return QRegion(option->rect);
-}
-
-bool KToolTipDelegate::haveAlphaChannel() const
-{
- return KToolTipManager::instance()->haveAlphaChannel();
-}
-
-
-
// ----------------------------------------------------------------------------
-
-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;
+ const KToolTipItem *m_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;
+ m_currentItem = item;
move(pos);
show();
}
-void QWidgetLabel::hideTip()
+void KTipLabel::hideTip()
{
hide();
- currentItem = 0;
+ m_currentItem = 0;
}
-void QWidgetLabel::moveTip(const QPoint &pos)
+void KTipLabel::moveTip(const QPoint &pos)
{
move(pos);
}
-void QWidgetLabel::paintEvent(QPaintEvent*)
+void KTipLabel::paintEvent(QPaintEvent*)
{
+ if (!m_currentItem)
+ return;
+
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);
p.setPen(QPen(option.palette.brush(QPalette::Text), 0));
- delegate()->paint(&p, &option, currentItem);
+ delegate()->paint(&p, option, *m_currentItem);
}
-QSize QWidgetLabel::sizeHint() const
+QSize KTipLabel::sizeHint() const
{
- if (!currentItem)
+ if (!m_currentItem)
return QSize();
KStyleOptionToolTip option = styleOption();
- return delegate()->sizeHint(&option, currentItem);
+ return delegate()->sizeHint(option, *m_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)
+KStyleOptionToolTip KTipLabel::styleOption() const
{
- 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()
-{
- 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)
+ : m_label(new KTipLabel), m_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()
{
- delete label;
- delete currentItem;
+ delete m_label;
+ delete m_currentItem;
}
void KToolTipManager::showTip(const QPoint &pos, KToolTipItem *item)
{
hideTip();
- label->showTip(pos, item);
- currentItem = item;
+ m_label->showTip(pos, item);
+ m_currentItem = item;
m_tooltipPos = pos;
}
void KToolTipManager::hideTip()
{
- label->hideTip();
- delete currentItem;
- currentItem = 0;
+ m_label->hideTip();
+ delete m_currentItem;
+ m_currentItem = 0;
}
void KToolTipManager::initStyleOption(KStyleOptionToolTip *option) const
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;
void KToolTipManager::update()
{
- if (currentItem == 0)
+ if (m_currentItem == 0)
return;
- label->showTip(m_tooltipPos, currentItem);
+ m_label->showTip(m_tooltipPos, m_currentItem);
}
KToolTipDelegate *KToolTipManager::delegate() const
}
-
// ----------------------------------------------------------------------------
-
namespace KToolTip
{
void showText(const QPoint &pos, const QString &text, QWidget *widget, const QRect &rect)