mirror of
https://github.com/debauchee/barrier.git
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215 lines
6.6 KiB
C++
215 lines
6.6 KiB
C++
/*
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* synergy-plus -- mouse and keyboard sharing utility
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* Copyright (C) 2009 The Synergy+ Project
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* Copyright (C) 2002 Chris Schoeneman
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*
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* This package is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* found in the file COPYING that should have accompanied this file.
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*
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* This package is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef IPLATFORMSCREEN_H
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#define IPLATFORMSCREEN_H
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#include "IScreen.h"
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#include "IPrimaryScreen.h"
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#include "ISecondaryScreen.h"
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#include "IKeyState.h"
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#include "ClipboardTypes.h"
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#include "OptionTypes.h"
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class IClipboard;
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//! Screen interface
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/*!
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This interface defines the methods common to all platform dependent
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screen implementations that are used by both primary and secondary
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screens.
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*/
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class IPlatformScreen : public IScreen,
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public IPrimaryScreen, public ISecondaryScreen,
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public IKeyState {
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public:
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//! @name manipulators
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//@{
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//! Enable screen
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/*!
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Enable the screen, preparing it to report system and user events.
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For a secondary screen it also means preparing to synthesize events
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and hiding the cursor.
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*/
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virtual void enable() = 0;
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//! Disable screen
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/*!
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Undoes the operations in enable() and events should no longer
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be reported.
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*/
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virtual void disable() = 0;
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//! Enter screen
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/*!
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Called when the user navigates to this screen.
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*/
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virtual void enter() = 0;
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//! Leave screen
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/*!
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Called when the user navigates off the screen. Returns true on
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success, false on failure. A typical reason for failure is being
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unable to install the keyboard and mouse snoopers on a primary
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screen. Secondary screens should not fail.
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*/
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virtual bool leave() = 0;
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//! Set clipboard
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/*!
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Set the contents of the system clipboard indicated by \c id.
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*/
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virtual bool setClipboard(ClipboardID id, const IClipboard*) = 0;
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//! Check clipboard owner
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/*!
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Check ownership of all clipboards and post grab events for any that
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have changed. This is used as a backup in case the system doesn't
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reliably report clipboard ownership changes.
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*/
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virtual void checkClipboards() = 0;
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//! Open screen saver
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/*!
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Open the screen saver. If \c notify is true then this object must
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send events when the screen saver activates or deactivates until
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\c closeScreensaver() is called. If \c notify is false then the
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screen saver is disabled and restored on \c closeScreensaver().
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*/
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virtual void openScreensaver(bool notify) = 0;
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//! Close screen saver
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/*!
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// Close the screen saver. Stop reporting screen saver activation
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and deactivation and, if the screen saver was disabled by
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openScreensaver(), enable the screen saver.
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*/
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virtual void closeScreensaver() = 0;
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//! Activate/deactivate screen saver
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/*!
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Forcibly activate the screen saver if \c activate is true otherwise
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forcibly deactivate it.
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*/
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virtual void screensaver(bool activate) = 0;
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//! Notify of options changes
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/*!
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Reset all options to their default values.
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*/
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virtual void resetOptions() = 0;
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//! Notify of options changes
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/*!
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Set options to given values. Ignore unknown options and don't
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modify options that aren't given in \c options.
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*/
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virtual void setOptions(const COptionsList& options) = 0;
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//! Set clipboard sequence number
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/*!
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Sets the sequence number to use in subsequent clipboard events.
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*/
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virtual void setSequenceNumber(UInt32) = 0;
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//@}
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//! @name accessors
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//@{
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//! Test if is primary screen
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/*!
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Return true iff this screen is a primary screen.
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*/
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virtual bool isPrimary() const = 0;
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//@}
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// IScreen overrides
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virtual void* getEventTarget() const = 0;
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virtual bool getClipboard(ClipboardID id, IClipboard*) const = 0;
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virtual void getShape(SInt32& x, SInt32& y,
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SInt32& width, SInt32& height) const = 0;
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virtual void getCursorPos(SInt32& x, SInt32& y) const = 0;
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// IPrimaryScreen overrides
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virtual void reconfigure(UInt32 activeSides) = 0;
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virtual void warpCursor(SInt32 x, SInt32 y) = 0;
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virtual UInt32 registerHotKey(KeyID key, KeyModifierMask mask) = 0;
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virtual void unregisterHotKey(UInt32 id) = 0;
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virtual void fakeInputBegin() = 0;
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virtual void fakeInputEnd() = 0;
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virtual SInt32 getJumpZoneSize() const = 0;
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virtual bool isAnyMouseButtonDown() const = 0;
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virtual void getCursorCenter(SInt32& x, SInt32& y) const = 0;
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// ISecondaryScreen overrides
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virtual void fakeMouseButton(ButtonID id, bool press) const = 0;
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virtual void fakeMouseMove(SInt32 x, SInt32 y) const = 0;
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virtual void fakeMouseRelativeMove(SInt32 dx, SInt32 dy) const = 0;
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virtual void fakeMouseWheel(SInt32 xDelta, SInt32 yDelta) const = 0;
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// IKeyState overrides
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virtual void updateKeyMap() = 0;
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virtual void updateKeyState() = 0;
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virtual void setHalfDuplexMask(KeyModifierMask) = 0;
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virtual void fakeKeyDown(KeyID id, KeyModifierMask mask,
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KeyButton button) = 0;
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virtual void fakeKeyRepeat(KeyID id, KeyModifierMask mask,
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SInt32 count, KeyButton button) = 0;
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virtual void fakeKeyUp(KeyButton button) = 0;
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virtual void fakeAllKeysUp() = 0;
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virtual bool fakeCtrlAltDel() = 0;
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virtual bool isKeyDown(KeyButton) const = 0;
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virtual KeyModifierMask
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getActiveModifiers() const = 0;
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virtual KeyModifierMask
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pollActiveModifiers() const = 0;
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virtual SInt32 pollActiveGroup() const = 0;
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virtual void pollPressedKeys(KeyButtonSet& pressedKeys) const = 0;
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protected:
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//! Handle system event
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/*!
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A platform screen is expected to install a handler for system
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events in its c'tor like so:
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\code
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EVENTQUEUE->adoptHandler(CEvent::kSystem,
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IEventQueue::getSystemTarget(),
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new TMethodEventJob<CXXXPlatformScreen>(this,
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&CXXXPlatformScreen::handleSystemEvent));
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\endcode
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It should remove the handler in its d'tor. Override the
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\c handleSystemEvent() method to process system events.
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It should post the events \c IScreen as appropriate.
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A primary screen has further responsibilities. It should post
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the events in \c IPrimaryScreen as appropriate. It should also
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call \c onKey() on its \c CKeyState whenever a key is pressed
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or released (but not for key repeats). And it should call
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\c updateKeyMap() on its \c CKeyState if necessary when the keyboard
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mapping changes.
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The target of all events should be the value returned by
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\c getEventTarget().
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*/
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virtual void handleSystemEvent(const CEvent& event, void*) = 0;
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};
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#endif
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