255 lines
6.9 KiB
C++
255 lines
6.9 KiB
C++
/*
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* synergy -- mouse and keyboard sharing utility
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* Copyright (C) 2012 Bolton Software Ltd.
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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 CXWINDOWSSCREEN_H
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#define CXWINDOWSSCREEN_H
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#include "CPlatformScreen.h"
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#include "stdset.h"
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#include "stdvector.h"
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#if X_DISPLAY_MISSING
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# error X11 is required to build synergy
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#else
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# include <X11/Xlib.h>
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#endif
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#include "CKeyMap.h"
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class CXWindowsClipboard;
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class CXWindowsKeyState;
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class CXWindowsScreenSaver;
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//! Implementation of IPlatformScreen for X11
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class CXWindowsScreen : public CPlatformScreen {
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public:
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CXWindowsScreen(const char* displayName, bool isPrimary,
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bool disableXInitThreads, int mouseScrollDelta,
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IEventQueue* events);
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virtual ~CXWindowsScreen();
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//! @name manipulators
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//@{
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//@}
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// IScreen overrides
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virtual void* getEventTarget() const;
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virtual bool getClipboard(ClipboardID id, IClipboard*) const;
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virtual void getShape(SInt32& x, SInt32& y,
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SInt32& width, SInt32& height) const;
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virtual void getCursorPos(SInt32& x, SInt32& y) const;
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// IPrimaryScreen overrides
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virtual void reconfigure(UInt32 activeSides);
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virtual void warpCursor(SInt32 x, SInt32 y);
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virtual UInt32 registerHotKey(KeyID key, KeyModifierMask mask);
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virtual void unregisterHotKey(UInt32 id);
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virtual void fakeInputBegin();
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virtual void fakeInputEnd();
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virtual SInt32 getJumpZoneSize() const;
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virtual bool isAnyMouseButtonDown(UInt32& buttonID) const;
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virtual void getCursorCenter(SInt32& x, SInt32& y) const;
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// ISecondaryScreen overrides
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virtual void fakeMouseButton(ButtonID id, bool press);
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virtual void fakeMouseMove(SInt32 x, SInt32 y);
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virtual void fakeMouseRelativeMove(SInt32 dx, SInt32 dy) const;
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virtual void fakeMouseWheel(SInt32 xDelta, SInt32 yDelta) const;
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// IPlatformScreen overrides
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virtual void enable();
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virtual void disable();
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virtual void enter();
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virtual bool leave();
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virtual bool setClipboard(ClipboardID, const IClipboard*);
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virtual void checkClipboards();
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virtual void openScreensaver(bool notify);
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virtual void closeScreensaver();
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virtual void screensaver(bool activate);
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virtual void resetOptions();
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virtual void setOptions(const COptionsList& options);
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virtual void setSequenceNumber(UInt32);
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virtual bool isPrimary() const;
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protected:
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// IPlatformScreen overrides
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virtual void handleSystemEvent(const CEvent&, void*);
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virtual void updateButtons();
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virtual IKeyState* getKeyState() const;
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private:
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// event sending
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void sendEvent(CEvent::Type, void* = NULL);
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void sendClipboardEvent(CEvent::Type, ClipboardID);
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// create the transparent cursor
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Cursor createBlankCursor() const;
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// determine the clipboard from the X selection. returns
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// kClipboardEnd if no such clipboard.
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ClipboardID getClipboardID(Atom selection) const;
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// continue processing a selection request
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void processClipboardRequest(Window window,
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Time time, Atom property);
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// terminate a selection request
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void destroyClipboardRequest(Window window);
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// X I/O error handler
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void onError();
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static int ioErrorHandler(Display*);
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private:
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class CKeyEventFilter {
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public:
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int m_event;
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Window m_window;
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Time m_time;
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KeyCode m_keycode;
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};
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Display* openDisplay(const char* displayName);
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void saveShape();
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Window openWindow() const;
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void openIM();
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bool grabMouseAndKeyboard();
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void onKeyPress(XKeyEvent&);
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void onKeyRelease(XKeyEvent&, bool isRepeat);
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bool onHotKey(XKeyEvent&, bool isRepeat);
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void onMousePress(const XButtonEvent&);
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void onMouseRelease(const XButtonEvent&);
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void onMouseMove(const XMotionEvent&);
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bool detectXI2();
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#ifdef HAVE_XI2
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void selectXIRawMotion();
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#endif
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void selectEvents(Window) const;
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void doSelectEvents(Window) const;
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KeyID mapKeyFromX(XKeyEvent*) const;
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ButtonID mapButtonFromX(const XButtonEvent*) const;
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unsigned int mapButtonToX(ButtonID id) const;
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void warpCursorNoFlush(SInt32 x, SInt32 y);
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void refreshKeyboard(XEvent*);
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static Bool findKeyEvent(Display*, XEvent* xevent, XPointer arg);
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private:
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struct CHotKeyItem {
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public:
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CHotKeyItem(int, unsigned int);
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bool operator<(const CHotKeyItem&) const;
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private:
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int m_keycode;
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unsigned int m_mask;
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};
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typedef std::set<bool> CFilteredKeycodes;
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typedef std::vector<std::pair<int, unsigned int> > HotKeyList;
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typedef std::map<UInt32, HotKeyList> HotKeyMap;
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typedef std::vector<UInt32> HotKeyIDList;
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typedef std::map<CHotKeyItem, UInt32> HotKeyToIDMap;
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// true if screen is being used as a primary screen, false otherwise
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bool m_isPrimary;
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int m_mouseScrollDelta;
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Display* m_display;
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Window m_root;
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Window m_window;
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// true if mouse has entered the screen
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bool m_isOnScreen;
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// screen shape stuff
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SInt32 m_x, m_y;
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SInt32 m_w, m_h;
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SInt32 m_xCenter, m_yCenter;
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// last mouse position
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SInt32 m_xCursor, m_yCursor;
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// keyboard stuff
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CXWindowsKeyState* m_keyState;
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// hot key stuff
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HotKeyMap m_hotKeys;
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HotKeyIDList m_oldHotKeyIDs;
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HotKeyToIDMap m_hotKeyToIDMap;
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// input focus stuff
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Window m_lastFocus;
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int m_lastFocusRevert;
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// input method stuff
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XIM m_im;
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XIC m_ic;
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KeyCode m_lastKeycode;
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CFilteredKeycodes m_filtered;
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// clipboards
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CXWindowsClipboard* m_clipboard[kClipboardEnd];
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UInt32 m_sequenceNumber;
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// screen saver stuff
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CXWindowsScreenSaver* m_screensaver;
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bool m_screensaverNotify;
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// logical to physical button mapping. m_buttons[i] gives the
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// physical button for logical button i+1.
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std::vector<unsigned char> m_buttons;
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// true if global auto-repeat was enabled before we turned it off
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bool m_autoRepeat;
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// stuff to workaround xtest being xinerama unaware. attempting
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// to fake a mouse motion under xinerama may behave strangely,
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// especially if screen 0 is not at 0,0 or if faking a motion on
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// a screen other than screen 0.
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bool m_xtestIsXineramaUnaware;
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bool m_xinerama;
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// stuff to work around lost focus issues on certain systems
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// (ie: a MythTV front-end).
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bool m_preserveFocus;
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// XKB extension stuff
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bool m_xkb;
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int m_xkbEventBase;
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bool m_xi2detected;
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// XRandR extension stuff
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bool m_xrandr;
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int m_xrandrEventBase;
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IEventQueue* m_events;
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CKeyMap m_keyMap;
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// pointer to (singleton) screen. this is only needed by
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// ioErrorHandler().
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static CXWindowsScreen* s_screen;
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};
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#endif
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