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, 180 insertions, 0 deletions

diff --git a/kicker/libkicker/paneldrag.cpp b/kicker/libkicker/paneldrag.cpp
new file mode 100644
index 000000000..871ac1d96
--- /dev/null
+++ b/kicker/libkicker/paneldrag.cpp
@@ -0,0 +1,180 @@
+/*****************************************************************
+Copyright (c) 2004 Aaron J. Seigo <[email protected]>
+              2004 Stephen Depooter <[email protected]>
+
+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 <sys/types.h>
+#include <unistd.h>
+
+#include <qbuffer.h>
+
+#include "paneldrag.h"
+
+#define PANELDRAG_BUFSIZE sizeof(BaseContainer*) + sizeof(pid_t)
+
+PanelDrag::PanelDrag(BaseContainer* container, QWidget* dragSource)
+    : QDragObject(dragSource, 0)
+{
+    pid_t source_pid = getpid();
+
+    a.resize(PANELDRAG_BUFSIZE);
+    memcpy(a.data(), &container, sizeof(BaseContainer*));
+    memcpy(a.data() + sizeof(BaseContainer*), &source_pid, sizeof(pid_t));
+}
+
+PanelDrag::~PanelDrag()
+{
+}
+
+bool PanelDrag::decode(const QMimeSource* e, BaseContainer** container)
+{
+    QByteArray a = e->encodedData("application/basecontainerptr");
+
+    if (a.size() != PANELDRAG_BUFSIZE)
+    {
+        return false;
+    }
+
+    pid_t target_pid = getpid();
+    pid_t source_pid;
+    memcpy(&source_pid, a.data() + sizeof(QObject*), sizeof(pid_t));
+
+    if (source_pid == target_pid)
+    {
+        memcpy(container, a.data(), sizeof(QObject*));
+        return true;
+    }
+
+    return false;
+}
+
+bool PanelDrag::canDecode(const QMimeSource *e)
+{
+    if (!e->provides("application/basecontainerptr"))
+    {
+        return false;
+    }
+
+    QByteArray a = e->encodedData("application/basecontainerptr");
+    if (a.size() != PANELDRAG_BUFSIZE)
+    {
+        return false;
+    }
+
+/*    pid_t target_pid = getpid();
+    pid_t source_pid;
+    memcpy(&source_pid, a.data() + sizeof(void*), sizeof(pid_t));
+
+    if (source_pid != target_pid)
+    {
+        return true;
+    } */
+
+    return true;
+}
+
+QByteArray PanelDrag::encodedData(const char * mimeType) const
+{
+    if (QString("application/basecontainerptr") == mimeType &&
+        a.size() == PANELDRAG_BUFSIZE)
+    {
+        return a;
+    }
+
+    return QByteArray();
+}
+
+const char * PanelDrag::format(int i) const
+{
+    if (i == 0)
+    {
+        return "application/basecontainerptr";
+    }
+
+    return 0;
+}
+
+
+AppletInfoDrag::AppletInfoDrag(const AppletInfo& info, QWidget *dragSource)
+    : QDragObject(dragSource, 0)
+{
+    QBuffer buff(a);
+    buff.open(IO_WriteOnly);
+    QDataStream s(&buff);
+    s << info.desktopFile() << info.configFile() << info.type();
+}
+
+AppletInfoDrag::~AppletInfoDrag()
+{
+}
+
+const char * AppletInfoDrag::format(int i) const
+{
+    if (i == 0)
+    {
+        return "application/appletinfo";
+    }
+
+    return 0;
+}
+
+QByteArray AppletInfoDrag::encodedData(const char* mimeType) const
+{
+    if (QString("application/appletinfo") == mimeType)
+    {
+        return a;
+    }
+
+    return QByteArray();
+}
+
+bool AppletInfoDrag::canDecode(const QMimeSource * e)
+{
+    if (!e->provides("application/appletinfo"))
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool AppletInfoDrag::decode(const QMimeSource* e, AppletInfo& container)
+{
+    QByteArray a = e->encodedData("application/appletinfo");
+
+    if (a.isEmpty())
+    {
+        return false;
+    }
+
+    QBuffer buff(a);
+    buff.open(IO_ReadOnly);
+    QDataStream s(&buff);
+
+    QString desktopFile;
+    QString configFile;
+    int type;
+    s >> desktopFile >> configFile >> type;
+    AppletInfo info(desktopFile, configFile, (AppletInfo::AppletType)type);
+    container = info;
+    return true;
+}
+