Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 394 insertions, 0 deletions

diff --git a/kicker/menuext/prefmenu/prefmenu.cpp b/kicker/menuext/prefmenu/prefmenu.cpp
new file mode 100644
index 000000000..dd157d2cb
--- /dev/null
+++ b/kicker/menuext/prefmenu/prefmenu.cpp
@@ -0,0 +1,394 @@
+/*****************************************************************
+
+Copyright (c) 1996-2002 the kicker authors. See file AUTHORS.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+******************************************************************/
+
+#include <qcursor.h>
+#include <qtimer.h>
+
+#include <kapplication.h>
+#include <kglobal.h>
+#include <kiconloader.h>
+#include <klocale.h>
+#include <kservice.h>
+#include <kservicegroup.h>
+#include <kstandarddirs.h>
+#include <ksycoca.h>
+#include <kurl.h>
+#include <kurldrag.h>
+
+#include "global.h"
+#include "kickerSettings.h"
+#include "prefmenu.h"
+
+K_EXPORT_KICKER_MENUEXT(prefmenu, PrefMenu)
+
+const int idStart = 4242;
+
+PrefMenu::PrefMenu(QWidget *parent,
+                   const char *name,
+                   const QStringList &/*args*/)
+    : KPanelMenu(i18n("Settings"), parent, name),
+      m_clearOnClose(false)
+{
+}
+
+PrefMenu::PrefMenu(const QString& label,
+                   const QString& root,
+                   QWidget *parent)
+    : KPanelMenu(label, parent),
+      m_clearOnClose(false),
+      m_root(root)
+{
+    m_subMenus.setAutoDelete(true);
+
+    connect(KSycoca::self(),  SIGNAL(databaseChanged()),
+            this, SLOT(clearOnClose()));
+
+    connect(this, SIGNAL(aboutToHide()),
+            this, SLOT(aboutToClose()));
+}
+
+PrefMenu::~PrefMenu()
+{
+}
+
+void PrefMenu::insertMenuItem(KService::Ptr& s,
+                              int nId,
+                              int nIndex,
+                              const QStringList *suppressGenericNames)
+{
+    QString serviceName = s->name();
+    // add comment
+    QString comment = s->genericName();
+    if (!comment.isEmpty())
+    {
+        if (KickerSettings::menuEntryFormat() == KickerSettings::NameAndDescription)
+        {
+            if (!suppressGenericNames ||
+                !suppressGenericNames->contains(s->untranslatedGenericName()))
+            {
+                serviceName = QString("%1 (%2)").arg(serviceName).arg(comment);
+            }
+        }
+        else if (KickerSettings::menuEntryFormat() == KickerSettings::DescriptionAndName)
+        {
+            serviceName = QString("%1 (%2)").arg(comment).arg(serviceName);
+        }
+        else if (KickerSettings::menuEntryFormat() == KickerSettings::DescriptionOnly)
+        {
+            serviceName = comment;
+        }
+    }
+
+    // restrict menu entries to a sane length
+    if (serviceName.length() > 60)
+    {
+        serviceName.truncate(57);
+        serviceName += "...";
+    }
+
+    // check for NoDisplay
+    if (s->noDisplay())
+    {
+        return;
+    }
+
+    // ignore dotfiles.
+    if ((serviceName.at(0) == '.'))
+    {
+        return;
+    }
+
+    // item names may contain ampersands. To avoid them being converted
+    // to accelerators, replace them with two ampersands.
+    serviceName.replace("&", "&&");
+
+    int newId = insertItem(KickerLib::menuIconSet(s->icon()), serviceName, nId, nIndex);
+    m_entryMap.insert(newId, static_cast<KSycocaEntry*>(s));
+}
+
+void PrefMenu::mousePressEvent(QMouseEvent * ev)
+{
+    m_dragStartPos = ev->pos();
+    KPanelMenu::mousePressEvent(ev);
+}
+
+void PrefMenu::mouseMoveEvent(QMouseEvent * ev)
+{
+    KPanelMenu::mouseMoveEvent(ev);
+
+    if ((ev->state() & LeftButton) != LeftButton)
+    {
+        return;
+    }
+
+    QPoint p = ev->pos() - m_dragStartPos;
+    if (p.manhattanLength() <= QApplication::startDragDistance())
+    {
+        return;
+    }
+
+    int id = idAt(m_dragStartPos);
+
+    // Don't drag items we didn't create.
+    if (id < idStart)
+    {
+        return;
+    }
+
+    if (!m_entryMap.contains(id))
+    {
+        kdDebug(1210) << "Cannot find service with menu id " << id << endl;
+        return;
+    }
+
+    KSycocaEntry * e = m_entryMap[id];
+
+    QPixmap icon;
+    KURL url;
+
+    switch (e->sycocaType())
+    {
+        case KST_KService:
+        {
+            icon = static_cast<KService *>(e)->pixmap(KIcon::Small);
+            QString filePath = static_cast<KService *>(e)->desktopEntryPath();
+            if (filePath[0] != '/')
+            {
+                filePath = locate("apps", filePath);
+            }
+            url.setPath(filePath);
+            break;
+        }
+
+        case KST_KServiceGroup:
+        {
+            icon = KGlobal::iconLoader()->loadIcon(static_cast<KServiceGroup*>(e)->icon(),
+                                                   KIcon::Small);
+            url = "programs:/" + static_cast<KServiceGroup*>(e)->relPath();
+            break;
+        }
+
+        default:
+        {
+            return;
+            break;
+        }
+    }
+
+    // If the path to the desktop file is relative, try to get the full
+    // path from KStdDirs.
+    KURLDrag *d = new KURLDrag(KURL::List(url), this);
+    connect(d, SIGNAL(destroyed()), this, SLOT(dragObjectDestroyed()));
+    d->setPixmap(icon);
+    d->dragCopy();
+
+    // Set the startposition outside the panel, so there is no drag initiated
+    // when we use drag and click to select items. A drag is only initiated when
+    // you click to open the menu, and then press and drag an item.
+    m_dragStartPos = QPoint(-1,-1);
+}
+
+void PrefMenu::dragEnterEvent(QDragEnterEvent *event)
+{
+    // Set the DragObject's target to this widget. This is needed because the
+    // widget doesn't accept drops, but we want to determine if the drag object
+    // is dropped on it. This avoids closing on accidental drags. If this
+    // widget accepts drops in the future, these lines can be removed.
+    if (event->source() == this)
+    {
+        KURLDrag::setTarget(this);
+    }
+    event->ignore();
+}
+
+void PrefMenu::dragLeaveEvent(QDragLeaveEvent */*event*/)
+{
+    // see PrefMenu::dragEnterEvent why this is nescessary
+    if (!frameGeometry().contains(QCursor::pos()))
+    {
+        KURLDrag::setTarget(0);
+    }
+}
+
+void PrefMenu::initialize()
+{
+    if (initialized())
+    {
+        return;
+    }
+
+    // Set the startposition outside the panel, so there is no drag initiated
+    // when we use drag and click to select items. A drag is only initiated when
+    // you click to open the menu, and then press and drag an item.
+    m_dragStartPos = QPoint(-1,-1);
+
+    if (m_root.isEmpty())
+    {
+        insertItem(KickerLib::menuIconSet("kcontrol"),
+                   i18n("Control Center"),
+                   this, SLOT(launchControlCenter()));
+        insertSeparator();
+    }
+
+    // We ask KSycoca to give us all services under Settings/
+    KServiceGroup::Ptr root = KServiceGroup::group(m_root.isEmpty() ? "Settings/" : m_root);
+
+    if (!root || !root->isValid())
+    {
+        return;
+    }
+
+    KServiceGroup::List list = root->entries(true, true, true,
+                                             KickerSettings::menuEntryFormat() == KickerSettings:: NameAndDescription);
+
+    if (list.isEmpty())
+    {
+        setItemEnabled(insertItem(i18n("No Entries")), false);
+        return;
+    }
+
+    int id = idStart;
+
+    QStringList suppressGenericNames = root->suppressGenericNames();
+
+    KServiceGroup::List::ConstIterator it = list.begin();
+    for (; it != list.end(); ++it)
+    {
+        KSycocaEntry* e = *it;
+
+        if (e->isType(KST_KServiceGroup))
+        {
+
+            KServiceGroup::Ptr g(static_cast<KServiceGroup *>(e));
+            QString groupCaption = g->caption();
+
+            // Avoid adding empty groups.
+            KServiceGroup::Ptr subMenuRoot = KServiceGroup::group(g->relPath());
+            if (subMenuRoot->childCount() == 0)
+            {
+                continue;
+            }
+
+            // Ignore dotfiles.
+            if ((g->name().at(0) == '.'))
+            {
+                continue;
+            }
+
+            // Item names may contain ampersands. To avoid them being converted
+            // to accelerators, replace each ampersand with two ampersands.
+            groupCaption.replace("&", "&&");
+
+            PrefMenu* m = new PrefMenu(g->name(), g->relPath(), this);
+            m->setCaption(groupCaption);
+
+            int newId = insertItem(KickerLib::menuIconSet(g->icon()), groupCaption, m, id++);
+            m_entryMap.insert(newId, static_cast<KSycocaEntry*>(g));
+            // We have to delete the sub menu our selves! (See Qt docs.)
+            m_subMenus.append(m);
+        }
+        else if (e->isType(KST_KService))
+        {
+            KService::Ptr s(static_cast<KService *>(e));
+            insertMenuItem(s, id++, -1, &suppressGenericNames);
+        }
+        else if (e->isType(KST_KServiceSeparator))
+        {
+            insertSeparator();
+        }
+    }
+
+    setInitialized(true);
+}
+
+void PrefMenu::slotExec(int id)
+{
+    if (!m_entryMap.contains(id))
+    {
+        return;
+    }
+
+    kapp->propagateSessionManager();
+    KSycocaEntry *e = m_entryMap[id];
+    KService::Ptr service = static_cast<KService *>(e);
+    KApplication::startServiceByDesktopPath(service->desktopEntryPath(),
+                                            QStringList(), 0, 0, 0, "", true);
+    m_dragStartPos = QPoint(-1,-1);
+}
+
+void PrefMenu::clearOnClose()
+{
+    if (!initialized())
+    {
+        return;
+    }
+
+    m_clearOnClose = isVisible();
+    if (!m_clearOnClose)
+    {
+        // we aren't visible right now so clear immediately
+        slotClear();
+    }
+}
+
+void PrefMenu::slotClear()
+{
+    if( isVisible())
+    {
+        // QPopupMenu's aboutToHide() is emitted before the popup is really hidden,
+        // and also before a click in the menu is handled, so do the clearing
+        // only after that has been handled
+        QTimer::singleShot( 100, this, SLOT( slotClear()));
+        return;
+    }
+
+    m_entryMap.clear();
+    KPanelMenu::slotClear();
+    m_subMenus.clear();
+}
+
+void PrefMenu::aboutToClose()
+{
+    if (m_clearOnClose)
+    {
+        m_clearOnClose = false;
+        slotClear();
+    }
+}
+
+void PrefMenu::launchControlCenter()
+{
+    KApplication::startServiceByDesktopName("kcontrol", QStringList(),
+                                            0, 0, 0, "", true);
+}
+
+
+void PrefMenu::dragObjectDestroyed()
+{
+    if (KURLDrag::target() != this)
+    {
+        close();
+    }
+}
+
+#include "prefmenu.moc"