309 lines
8.9 KiB
C
309 lines
8.9 KiB
C
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/*
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* synergy -- mouse and keyboard sharing utility
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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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#ifndef CMSWINDOWSSCREEN_H
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#define CMSWINDOWSSCREEN_H
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#include "CPlatformScreen.h"
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#include "CSynergyHook.h"
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#include "CCondVar.h"
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#include "CMutex.h"
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#include "CString.h"
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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class CEventQueueTimer;
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class CMSWindowsDesks;
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class CMSWindowsKeyState;
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class CMSWindowsScreenSaver;
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class CThread;
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//! Implementation of IPlatformScreen for Microsoft Windows
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class CMSWindowsScreen : public CPlatformScreen {
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public:
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CMSWindowsScreen(bool isPrimary);
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virtual ~CMSWindowsScreen();
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//! @name manipulators
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//@{
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//! Initialize
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/*!
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Saves the application's HINSTANCE. This \b must be called by
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WinMain with the HINSTANCE it was passed.
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*/
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static void init(HINSTANCE);
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//@}
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//! @name accessors
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//@{
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//! Get instance
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/*!
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Returns the application instance handle passed to init().
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*/
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static HINSTANCE getInstance();
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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,
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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() 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) const;
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virtual void fakeMouseMove(SInt32 x, SInt32 y) const;
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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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// IKeyState overrides
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virtual void updateKeys();
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virtual void fakeKeyDown(KeyID id, KeyModifierMask mask,
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KeyButton button);
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virtual void fakeKeyRepeat(KeyID id, KeyModifierMask mask,
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SInt32 count, KeyButton button);
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virtual void fakeKeyUp(KeyButton button);
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virtual void fakeAllKeysUp();
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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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// initialization and shutdown operations
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HINSTANCE openHookLibrary(const char* name);
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void closeHookLibrary(HINSTANCE hookLibrary) const;
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HCURSOR createBlankCursor() const;
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void destroyCursor(HCURSOR cursor) const;
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ATOM createWindowClass() const;
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ATOM createDeskWindowClass(bool isPrimary) const;
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void destroyClass(ATOM windowClass) const;
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HWND createWindow(ATOM windowClass, const char* name) const;
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void destroyWindow(HWND) const;
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// convenience function to send events
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void sendEvent(CEvent::Type type, void* = NULL);
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void sendClipboardEvent(CEvent::Type type, ClipboardID id);
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// handle message before it gets dispatched. returns true iff
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// the message should not be dispatched.
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bool onPreDispatch(HWND, UINT, WPARAM, LPARAM);
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// handle message before it gets dispatched. returns true iff
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// the message should not be dispatched.
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bool onPreDispatchPrimary(HWND, UINT, WPARAM, LPARAM);
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// handle message. returns true iff handled and optionally sets
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// \c *result (which defaults to 0).
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bool onEvent(HWND, UINT, WPARAM, LPARAM, LRESULT* result);
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// message handlers
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bool onMark(UInt32 mark);
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bool onKey(WPARAM, LPARAM);
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bool onHotKey(WPARAM, LPARAM);
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bool onMouseButton(WPARAM, LPARAM);
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bool onMouseMove(SInt32 x, SInt32 y);
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bool onMouseWheel(SInt32 xDelta, SInt32 yDelta);
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bool onScreensaver(bool activated);
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bool onDisplayChange();
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bool onClipboardChange();
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// warp cursor without discarding queued events
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void warpCursorNoFlush(SInt32 x, SInt32 y);
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// discard posted messages
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void nextMark();
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// test if event should be ignored
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bool ignore() const;
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// update screen size cache
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void updateScreenShape();
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// fix timer callback
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void handleFixes(const CEvent&, void*);
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// fix the clipboard viewer chain
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void fixClipboardViewer();
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// enable/disable special key combinations so we can catch/pass them
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void enableSpecialKeys(bool) const;
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// map a button event to a button ID
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ButtonID mapButtonFromEvent(WPARAM msg, LPARAM button) const;
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// map a button event to a press (true) or release (false)
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bool mapPressFromEvent(WPARAM msg, LPARAM button) const;
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// job to update the key state
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void updateKeysCB(void*);
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// determine whether the mouse is hidden by the system and force
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// it to be displayed if user has entered this secondary screen.
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void forceShowCursor();
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// forceShowCursor uses MouseKeys to show the cursor. since we
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// don't actually want MouseKeys behavior we have to make sure
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// it applies when NumLock is in whatever state it's not in now.
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// this method does that.
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void updateForceShowCursor();
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// our window proc
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static LRESULT CALLBACK wndProc(HWND, UINT, WPARAM, LPARAM);
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private:
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struct CHotKeyItem {
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public:
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CHotKeyItem(UINT vk, UINT modifiers);
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UINT getVirtualKey() const;
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bool operator<(const CHotKeyItem&) const;
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private:
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UINT m_keycode;
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UINT m_mask;
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};
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typedef std::map<UInt32, CHotKeyItem> HotKeyMap;
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typedef std::vector<UInt32> HotKeyIDList;
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typedef std::map<CHotKeyItem, UInt32> HotKeyToIDMap;
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static HINSTANCE s_instance;
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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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// true if windows 95/98/me
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bool m_is95Family;
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// true if mouse has entered the screen
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bool m_isOnScreen;
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// our resources
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ATOM m_class;
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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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// true if system appears to have multiple monitors
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bool m_multimon;
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// last mouse position
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SInt32 m_xCursor, m_yCursor;
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// last clipboard
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UInt32 m_sequenceNumber;
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// used to discard queued messages that are no longer needed
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UInt32 m_mark;
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UInt32 m_markReceived;
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// the main loop's thread id
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DWORD m_threadID;
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// timer for periodically checking stuff that requires polling
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CEventQueueTimer* m_fixTimer;
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// the keyboard layout to use when off primary screen
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HKL m_keyLayout;
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// screen saver stuff
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CMSWindowsScreenSaver* m_screensaver;
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bool m_screensaverNotify;
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bool m_screensaverActive;
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// clipboard stuff. our window is used mainly as a clipboard
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// owner and as a link in the clipboard viewer chain.
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HWND m_window;
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HWND m_nextClipboardWindow;
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bool m_ownClipboard;
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// one desk per desktop and a cond var to communicate with it
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CMSWindowsDesks* m_desks;
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// hook library stuff
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HINSTANCE m_hookLibrary;
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InitFunc m_init;
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CleanupFunc m_cleanup;
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SetSidesFunc m_setSides;
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SetZoneFunc m_setZone;
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SetModeFunc m_setMode;
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// keyboard stuff
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CMSWindowsKeyState* 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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// map of button state
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bool m_buttons[1 + kButtonExtra0 + 1];
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// the system shows the mouse cursor when an internal display count
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// is >= 0. this count is maintained per application but there's
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// apparently a system wide count added to the application's count.
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// this system count is 0 if there's a mouse attached to the system
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// and -1 otherwise. the MouseKeys accessibility feature can modify
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// this system count by making the system appear to have a mouse.
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//
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// m_hasMouse is true iff there's a mouse attached to the system or
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// MouseKeys is simulating one. we track this so we can force the
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// cursor to be displayed when the user has entered this screen.
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// m_showingMouse is true when we're doing that.
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bool m_hasMouse;
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bool m_showingMouse;
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bool m_gotOldMouseKeys;
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MOUSEKEYS m_mouseKeys;
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MOUSEKEYS m_oldMouseKeys;
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static CMSWindowsScreen* s_screen;
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};
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#endif
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