| 1 | /*
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| 2 | * synergy -- mouse and keyboard sharing utility
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| 3 | * Copyright (C) 2002 Chris Schoeneman
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| 4 | *
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| 5 | * This package is free software; you can redistribute it and/or
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| 6 | * modify it under the terms of the GNU General Public License
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| 7 | * found in the file COPYING that should have accompanied this file.
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| 8 | *
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| 9 | * This package is distributed in the hope that it will be useful,
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| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 12 | * GNU General Public License for more details.
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| 13 | */
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| 14 |
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| 15 | #ifndef CXWINDOWSSCREEN_H
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| 16 | #define CXWINDOWSSCREEN_H
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| 17 |
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| 18 | #include "CPlatformScreen.h"
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| 19 | #include "stdset.h"
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| 20 | #include "stdvector.h"
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| 21 | #if X_DISPLAY_MISSING
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| 22 | # error X11 is required to build synergy
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| 23 | #else
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| 24 | # include <X11/Xlib.h>
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| 25 | #endif
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| 26 |
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| 27 | class CXWindowsClipboard;
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| 28 | class CXWindowsKeyState;
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| 29 | class CXWindowsScreenSaver;
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| 30 |
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| 31 | //! Implementation of IPlatformScreen for X11
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| 32 | class CXWindowsScreen : public CPlatformScreen {
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| 33 | public:
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| 34 | CXWindowsScreen(const char* displayName, bool isPrimary);
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| 35 | virtual ~CXWindowsScreen();
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| 36 |
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| 37 | //! @name manipulators
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| 38 | //@{
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| 39 |
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| 40 | //@}
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| 41 |
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| 42 | // IScreen overrides
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| 43 | virtual void* getEventTarget() const;
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| 44 | virtual bool getClipboard(ClipboardID id, IClipboard*) const;
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| 45 | virtual void getShape(SInt32& x, SInt32& y,
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| 46 | SInt32& width, SInt32& height) const;
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| 47 | virtual void getCursorPos(SInt32& x, SInt32& y) const;
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| 48 |
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| 49 | // IPrimaryScreen overrides
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| 50 | virtual void reconfigure(UInt32 activeSides);
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| 51 | virtual void warpCursor(SInt32 x, SInt32 y);
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| 52 | virtual UInt32 registerHotKey(KeyID key, KeyModifierMask mask);
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| 53 | virtual void unregisterHotKey(UInt32 id);
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| 54 | virtual void fakeInputBegin();
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| 55 | virtual void fakeInputEnd();
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| 56 | virtual SInt32 getJumpZoneSize() const;
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| 57 | virtual bool isAnyMouseButtonDown() const;
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| 58 | virtual void getCursorCenter(SInt32& x, SInt32& y) const;
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| 59 |
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| 60 | // ISecondaryScreen overrides
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| 61 | virtual void fakeMouseButton(ButtonID id, bool press) const;
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| 62 | virtual void fakeMouseMove(SInt32 x, SInt32 y) const;
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| 63 | virtual void fakeMouseRelativeMove(SInt32 dx, SInt32 dy) const;
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| 64 | virtual void fakeMouseWheel(SInt32 xDelta, SInt32 yDelta) const;
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| 65 |
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| 66 | // IPlatformScreen overrides
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| 67 | virtual void enable();
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| 68 | virtual void disable();
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| 69 | virtual void enter();
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| 70 | virtual bool leave();
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| 71 | virtual bool setClipboard(ClipboardID, const IClipboard*);
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| 72 | virtual void checkClipboards();
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| 73 | virtual void openScreensaver(bool notify);
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| 74 | virtual void closeScreensaver();
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| 75 | virtual void screensaver(bool activate);
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| 76 | virtual void resetOptions();
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| 77 | virtual void setOptions(const COptionsList& options);
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| 78 | virtual void setSequenceNumber(UInt32);
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| 79 | virtual bool isPrimary() const;
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| 80 |
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| 81 | protected:
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| 82 | // IPlatformScreen overrides
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| 83 | virtual void handleSystemEvent(const CEvent&, void*);
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| 84 | virtual void updateButtons();
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| 85 | virtual IKeyState* getKeyState() const;
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| 86 |
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| 87 | private:
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| 88 | // event sending
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| 89 | void sendEvent(CEvent::Type, void* = NULL);
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| 90 | void sendClipboardEvent(CEvent::Type, ClipboardID);
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| 91 |
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| 92 | // create the transparent cursor
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| 93 | Cursor createBlankCursor() const;
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| 94 |
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| 95 | // determine the clipboard from the X selection. returns
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| 96 | // kClipboardEnd if no such clipboard.
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| 97 | ClipboardID getClipboardID(Atom selection) const;
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| 98 |
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| 99 | // continue processing a selection request
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| 100 | void processClipboardRequest(Window window,
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| 101 | Time time, Atom property);
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| 102 |
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| 103 | // terminate a selection request
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| 104 | void destroyClipboardRequest(Window window);
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| 105 |
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| 106 | // X I/O error handler
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| 107 | void onError();
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| 108 | static int ioErrorHandler(Display*);
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| 109 |
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| 110 | private:
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| 111 | class CKeyEventFilter {
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| 112 | public:
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| 113 | int m_event;
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| 114 | Window m_window;
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| 115 | Time m_time;
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| 116 | KeyCode m_keycode;
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| 117 | };
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| 118 |
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| 119 | Display* openDisplay(const char* displayName);
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| 120 | void saveShape();
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| 121 | Window openWindow() const;
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| 122 | void openIM();
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| 123 |
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| 124 | bool grabMouseAndKeyboard();
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| 125 | void onKeyPress(XKeyEvent&);
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| 126 | void onKeyRelease(XKeyEvent&, bool isRepeat);
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| 127 | bool onHotKey(XKeyEvent&, bool isRepeat);
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| 128 | void onMousePress(const XButtonEvent&);
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| 129 | void onMouseRelease(const XButtonEvent&);
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| 130 | void onMouseMove(const XMotionEvent&);
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| 131 |
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| 132 | void selectEvents(Window) const;
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| 133 | void doSelectEvents(Window) const;
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| 134 |
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| 135 | KeyID mapKeyFromX(XKeyEvent*) const;
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| 136 | ButtonID mapButtonFromX(const XButtonEvent*) const;
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| 137 | unsigned int mapButtonToX(ButtonID id) const;
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| 138 |
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| 139 | void warpCursorNoFlush(SInt32 x, SInt32 y);
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| 140 |
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| 141 | void refreshKeyboard(XEvent*);
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| 142 |
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| 143 | static Bool findKeyEvent(Display*, XEvent* xevent, XPointer arg);
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| 144 |
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| 145 | private:
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| 146 | struct CHotKeyItem {
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| 147 | public:
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| 148 | CHotKeyItem(int, unsigned int);
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| 149 |
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| 150 | bool operator<(const CHotKeyItem&) const;
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| 151 |
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| 152 | private:
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| 153 | int m_keycode;
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| 154 | unsigned int m_mask;
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| 155 | };
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| 156 | typedef std::set<bool> CFilteredKeycodes;
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| 157 | typedef std::vector<std::pair<int, unsigned int> > HotKeyList;
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| 158 | typedef std::map<UInt32, HotKeyList> HotKeyMap;
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| 159 | typedef std::vector<UInt32> HotKeyIDList;
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| 160 | typedef std::map<CHotKeyItem, UInt32> HotKeyToIDMap;
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| 161 |
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| 162 | // true if screen is being used as a primary screen, false otherwise
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| 163 | bool m_isPrimary;
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| 164 |
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| 165 | Display* m_display;
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| 166 | Window m_root;
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| 167 | Window m_window;
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| 168 |
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| 169 | // true if mouse has entered the screen
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| 170 | bool m_isOnScreen;
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| 171 |
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| 172 | // screen shape stuff
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| 173 | SInt32 m_x, m_y;
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| 174 | SInt32 m_w, m_h;
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| 175 | SInt32 m_xCenter, m_yCenter;
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| 176 |
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| 177 | // last mouse position
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| 178 | SInt32 m_xCursor, m_yCursor;
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| 179 |
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| 180 | // keyboard stuff
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| 181 | CXWindowsKeyState* m_keyState;
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| 182 |
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| 183 | // hot key stuff
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| 184 | HotKeyMap m_hotKeys;
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| 185 | HotKeyIDList m_oldHotKeyIDs;
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| 186 | HotKeyToIDMap m_hotKeyToIDMap;
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| 187 |
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| 188 | // input focus stuff
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| 189 | Window m_lastFocus;
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| 190 | int m_lastFocusRevert;
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| 191 |
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| 192 | // input method stuff
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| 193 | XIM m_im;
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| 194 | XIC m_ic;
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| 195 | KeyCode m_lastKeycode;
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| 196 | CFilteredKeycodes m_filtered;
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| 197 |
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| 198 | // clipboards
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| 199 | CXWindowsClipboard* m_clipboard[kClipboardEnd];
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| 200 | UInt32 m_sequenceNumber;
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| 201 |
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| 202 | // screen saver stuff
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| 203 | CXWindowsScreenSaver* m_screensaver;
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| 204 | bool m_screensaverNotify;
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| 205 |
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| 206 | // logical to physical button mapping. m_buttons[i] gives the
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| 207 | // physical button for logical button i+1.
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| 208 | std::vector<unsigned char> m_buttons;
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| 209 |
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| 210 | // true if global auto-repeat was enabled before we turned it off
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| 211 | bool m_autoRepeat;
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| 212 |
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| 213 | // stuff to workaround xtest being xinerama unaware. attempting
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| 214 | // to fake a mouse motion under xinerama may behave strangely,
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| 215 | // especially if screen 0 is not at 0,0 or if faking a motion on
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| 216 | // a screen other than screen 0.
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| 217 | bool m_xtestIsXineramaUnaware;
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| 218 | bool m_xinerama;
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| 219 |
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| 220 | // XKB extension stuff
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| 221 | bool m_xkb;
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| 222 | int m_xkbEventBase;
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| 223 |
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| 224 | // pointer to (singleton) screen. this is only needed by
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| 225 | // ioErrorHandler().
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| 226 | static CXWindowsScreen* s_screen;
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| 227 | };
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| 228 |
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| 229 | #endif
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