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97 lines
2.4 KiB
C++
97 lines
2.4 KiB
C++
#ifndef CMSWINDOWSSCREEN_H
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#define CMSWINDOWSSCREEN_H
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#include "CMutex.h"
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#include "IClipboard.h"
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#include "BasicTypes.h"
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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class CString;
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class CThread;
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class CMSWindowsScreen {
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public:
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CMSWindowsScreen();
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virtual ~CMSWindowsScreen();
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// manipulators
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static void init(HINSTANCE);
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// accessors
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// get the application instance handle
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static HINSTANCE getInstance();
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protected:
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// runs an event loop and returns when WM_QUIT is received
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void doRun();
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// sends WM_QUIT to force doRun() to return
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void doStop();
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// open the X display. calls onOpenDisplay() after opening the display,
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// getting the screen, its size, and root window. then it starts the
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// event thread.
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void openDisplay();
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// destroy the window and close the display. calls onCloseDisplay()
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// after the event thread has been shut down but before the display
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// is closed.
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void closeDisplay();
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// get the registered window class atom
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ATOM getClass() const;
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// update screen size cache
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void updateScreenSize();
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// get the size of the screen
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void getScreenSize(SInt32* w, SInt32* h) const;
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// get the input desktop. caller must CloseDesktop() the result.
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// do not call under windows 95/98/me.
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HDESK openInputDesktop() const;
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// get the desktop's name. do not call under windows 95/98/me.
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CString getDesktopName(HDESK) const;
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// returns true iff desk is the current desk. do not call under
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// windows 95/98/me.
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bool isCurrentDesktop(HDESK desk) const;
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// wait for and get the next message. cancellable.
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void getEvent(MSG*) const;
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// called by doRun() to handle an event. return true to skip
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// event translation and dispatch.
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virtual bool onPreTranslate(MSG*) = 0;
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// called by window proc. subclass must call DefWindowProc() if necessary
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virtual LRESULT onEvent(HWND, UINT, WPARAM, LPARAM) = 0;
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// called by openDisplay() to allow subclasses to prepare the display
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virtual void onOpenDisplay() = 0;
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// called by closeDisplay() to
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virtual void onCloseDisplay() = 0;
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// called by isCurrentDesktop() to get the current desktop name
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virtual CString getCurrentDesktopName() const = 0;
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private:
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static LRESULT CALLBACK wndProc(HWND, UINT, WPARAM, LPARAM);
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private:
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static HINSTANCE s_instance;
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ATOM m_class;
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HICON m_icon;
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HCURSOR m_cursor;
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SInt32 m_w, m_h;
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DWORD m_thread;
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static CMSWindowsScreen* s_screen;
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};
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#endif
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