diff options
Diffstat (limited to 'kicker/libkicker/paneldrag.cpp')
-rw-r--r-- | kicker/libkicker/paneldrag.cpp | 180 |
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; +} + |