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-rw-r--r--kicker/libkicker/paneldrag.cpp180
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diff --git a/kicker/libkicker/paneldrag.cpp b/kicker/libkicker/paneldrag.cpp
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+/*****************************************************************
+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;
+}
+