Add an X11EventFilter class
This class provides an event filter, specific to an event type, that can be registered with Workspace to filter events.icc-effect-5.14.5
parent
32e9de1e23
commit
869ebdd4c0
|
@ -373,6 +373,7 @@ set(kwin_KDEINIT_SRCS
|
|||
paintredirector.cpp
|
||||
virtualdesktops.cpp
|
||||
xcbutils.cpp
|
||||
x11eventfilter.cpp
|
||||
scripting/scripting.cpp
|
||||
scripting/workspace_wrapper.cpp
|
||||
scripting/meta.cpp
|
||||
|
|
37
events.cpp
37
events.cpp
|
@ -60,6 +60,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|||
|
||||
#include "composite.h"
|
||||
#include "killwindow.h"
|
||||
#include "x11eventfilter.h"
|
||||
|
||||
namespace KWin
|
||||
{
|
||||
|
@ -157,6 +158,25 @@ QVector<QByteArray> s_xcbEerrors({
|
|||
QByteArrayLiteral("BadLength"),
|
||||
QByteArrayLiteral("BadImplementation"),
|
||||
QByteArrayLiteral("Unknown")});
|
||||
|
||||
|
||||
void Workspace::registerEventFilter(X11EventFilter *filter)
|
||||
{
|
||||
if (filter->eventType() == XCB_GE_GENERIC)
|
||||
m_genericEventFilters.append(filter);
|
||||
else
|
||||
m_eventFilters.append(filter);
|
||||
}
|
||||
|
||||
void Workspace::unregisterEventFilter(X11EventFilter *filter)
|
||||
{
|
||||
if (filter->eventType() == XCB_GE_GENERIC)
|
||||
m_genericEventFilters.removeOne(filter);
|
||||
else
|
||||
m_eventFilters.removeOne(filter);
|
||||
}
|
||||
|
||||
|
||||
/*!
|
||||
Handles workspace specific XCB event
|
||||
*/
|
||||
|
@ -192,6 +212,23 @@ bool Workspace::workspaceEvent(xcb_generic_event_t *e)
|
|||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
if (eventType == XCB_GE_GENERIC) {
|
||||
xcb_ge_generic_event_t *ge = reinterpret_cast<xcb_ge_generic_event_t *>(e);
|
||||
|
||||
foreach (X11EventFilter *filter, m_genericEventFilters) {
|
||||
if (filter->extension() == ge->extension && filter->genericEventType() == ge->event_type && filter->event(e)) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
foreach (X11EventFilter *filter, m_eventFilters) {
|
||||
if (filter->eventType() == eventType && filter->event(e)) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (effects && static_cast< EffectsHandlerImpl* >(effects)->hasKeyboardGrab()
|
||||
&& (eventType == XCB_KEY_PRESS || eventType == XCB_KEY_RELEASE))
|
||||
return false; // let Qt process it, it'll be intercepted again in eventFilter()
|
||||
|
|
|
@ -55,6 +55,7 @@ class KillWindow;
|
|||
class ShortcutDialog;
|
||||
class UserActionsMenu;
|
||||
class Compositor;
|
||||
class X11EventFilter;
|
||||
enum class Predicate;
|
||||
|
||||
class Workspace : public QObject, public KDecorationDefines
|
||||
|
@ -327,6 +328,9 @@ public:
|
|||
**/
|
||||
bool compositing() const;
|
||||
|
||||
void registerEventFilter(X11EventFilter *filter);
|
||||
void unregisterEventFilter(X11EventFilter *filter);
|
||||
|
||||
public Q_SLOTS:
|
||||
void performWindowOperation(KWin::Client* c, KDecorationDefines::WindowOperation op);
|
||||
// Keybindings
|
||||
|
@ -574,6 +578,9 @@ private:
|
|||
|
||||
QScopedPointer<KillWindow> m_windowKiller;
|
||||
|
||||
QList<X11EventFilter *> m_eventFilters;
|
||||
QList<X11EventFilter *> m_genericEventFilters;
|
||||
|
||||
private:
|
||||
friend bool performTransiencyCheck();
|
||||
friend Workspace *workspace();
|
||||
|
|
|
@ -0,0 +1,38 @@
|
|||
/********************************************************************
|
||||
KWin - the KDE window manager
|
||||
This file is part of the KDE project.
|
||||
|
||||
Copyright (C) 2014 Fredrik Höglund <fredrik@kde.org>
|
||||
|
||||
This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*********************************************************************/
|
||||
|
||||
#include "x11eventfilter.h"
|
||||
#include "workspace.h"
|
||||
|
||||
namespace KWin
|
||||
{
|
||||
|
||||
X11EventFilter::X11EventFilter(int eventType, int opcode, int genericEventType)
|
||||
: m_eventType(eventType), m_extension(opcode), m_genericEventType(genericEventType)
|
||||
{
|
||||
Workspace::self()->registerEventFilter(this);
|
||||
}
|
||||
|
||||
X11EventFilter::~X11EventFilter()
|
||||
{
|
||||
Workspace::self()->unregisterEventFilter(this);
|
||||
}
|
||||
|
||||
}
|
|
@ -0,0 +1,76 @@
|
|||
/********************************************************************
|
||||
KWin - the KDE window manager
|
||||
This file is part of the KDE project.
|
||||
|
||||
Copyright (C) 2014 Fredrik Höglund <fredrik@kde.org>
|
||||
|
||||
This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*********************************************************************/
|
||||
|
||||
#ifndef X11EVENTFILTER_H
|
||||
#define X11EVENTFILTER_H
|
||||
|
||||
#include <xcb/xcb.h>
|
||||
|
||||
namespace KWin
|
||||
{
|
||||
|
||||
class X11EventFilter
|
||||
{
|
||||
public:
|
||||
/**
|
||||
* Creates an event filter for the given event type.
|
||||
*/
|
||||
X11EventFilter(int eventType, int opcode = 0, int genericEventType = 0);
|
||||
|
||||
/**
|
||||
* Destroys the event filter.
|
||||
*/
|
||||
virtual ~X11EventFilter();
|
||||
|
||||
/**
|
||||
* Returns the type of events to filter.
|
||||
*/
|
||||
int eventType() const { return m_eventType; }
|
||||
|
||||
/**
|
||||
* Returns the major opcode of the extension.
|
||||
*
|
||||
* Only used when the event type is XCB_GE_GENERIC.
|
||||
*/
|
||||
int extension() const { return m_extension; }
|
||||
|
||||
/**
|
||||
* Returns the type of generic events to filter.
|
||||
*
|
||||
* Only used when the event type is XCB_GE_GENERIC.
|
||||
*/
|
||||
int genericEventType() const { return m_genericEventType; }
|
||||
|
||||
/**
|
||||
* This method is called for every event of the filtered type.
|
||||
*
|
||||
* Return true to accept the event and stop further processing, and false otherwise.
|
||||
*/
|
||||
virtual bool event(xcb_generic_event_t *event) = 0;
|
||||
|
||||
private:
|
||||
int m_eventType;
|
||||
int m_extension;
|
||||
int m_genericEventType;
|
||||
};
|
||||
|
||||
} // namespace KWin
|
||||
|
||||
#endif
|
Loading…
Reference in New Issue