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d2135af0d9
CServer to the primary screen when the configuration changes so it can make necessary adjustments (the win32 primary screen must tell the hook dll about the new jump zones). changed includes of some std c++ library files to go through our own include files. these wrap the include with stuff to keep vc++ quiet when compiling at warning level 4, which is what it does now. it also works around missing <istream> and <ostream> on g++2.96. added missing std:: where necessary. g++ doesn't really support namespaces so it lets references without the namespace slip through. added workaround or fix. not sure if istringstream::str(string) should reset eofbit. it does on g++ but does not on vc++. added clear() after str() so it works either way. added low-level keyboard hook to win32. if available (it's only available on NT SP3 and up) it allows us to catch and handle alt+tab, alt+esc, ctrl+esc, and windows key hot keys. i think that leaves only ctrl+alt+del and accessibility functions uncaught on those systems.
104 lines
3.4 KiB
C++
104 lines
3.4 KiB
C++
#ifndef IPRIMARYSCREEN_H
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#define IPRIMARYSCREEN_H
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#include "IInterface.h"
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#include "BasicTypes.h"
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#include "ClipboardTypes.h"
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class CServer;
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class IClipboard;
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class IPrimaryScreen : public IInterface {
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public:
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// manipulators
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// enter the screen's message loop. this returns when it detects
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// the application should terminate or when stop() is called.
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// the screen must be open()'d before run() and must not be
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// close()'d until run() returns.
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virtual void run() = 0;
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// cause run() to return
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virtual void stop() = 0;
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// initialize the screen and start reporting events to the server.
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// events should be reported no matter where on the screen they
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// occur but do not interfere with normal event dispatch. the
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// screen saver engaging should be reported as an event. if that
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// can't be detected then this object should disable the system's
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// screen saver timer and should start the screen saver after
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// idling for an appropriate time.
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//
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// open() must call server->setInfo() to notify the server of the
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// primary screen's resolution and jump zone size. the mouse
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// position is ignored and may be 0,0.
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virtual void open(CServer* server) = 0;
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// close the screen. should restore the screen saver timer if it
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// was disabled.
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virtual void close() = 0;
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// called when the user navigates back to the primary screen.
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// warp the cursor to the given coordinates, unhide it, and
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// ungrab the input devices. every call to enter has a matching
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// call to leave() which preceeds it, however the screen can
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// assume an implicit call to enter() in the call to open().
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virtual void enter(SInt32 xAbsolute, SInt32 yAbsolute) = 0;
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// called when the user navigates off the primary screen. hide
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// the cursor and grab exclusive access to the input devices.
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virtual void leave() = 0;
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// called when the configuration has changed. subclasses may need
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// to adjust things (like the jump zones) after the configuration
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// changes.
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virtual void onConfigure() = 0;
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// warp the cursor to the given position
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virtual void warpCursor(SInt32 xAbsolute, SInt32 yAbsolute) = 0;
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// set the screen's clipboard contents. this is usually called
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// soon after an enter().
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virtual void setClipboard(ClipboardID, const IClipboard*) = 0;
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/*
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// show or hide the screen saver
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virtual void onScreenSaver(bool show) = 0;
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*/
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// synergy should own the clipboard
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virtual void grabClipboard(ClipboardID) = 0;
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// accessors
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/*
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// get the screen's name. all screens must have a name unique on
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// the server they connect to. the hostname is usually an
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// appropriate name.
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virtual CString getName() const = 0;
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*/
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// get the size of the screen
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virtual void getSize(SInt32* width, SInt32* height) const = 0;
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// get the size of jump zone
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virtual SInt32 getJumpZoneSize() const = 0;
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// get the screen's clipboard contents. the implementation can
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// and should avoid setting the clipboard object if the screen's
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// clipboard hasn't changed.
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virtual void getClipboard(ClipboardID, IClipboard*) const = 0;
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// get the primary screen's current toggle modifier key state.
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// the returned mask should have the corresponding bit set for
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// each toggle key that is active.
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virtual KeyModifierMask getToggleMask() const = 0;
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// return true if any key or button is being pressed or if there's
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// any other reason that the user should not be allowed to switch
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// screens.
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virtual bool isLockedToScreen() const = 0;
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};
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#endif
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