576 lines
16 KiB
C++
576 lines
16 KiB
C++
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#include "precomp.h"
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#include "sshndler.h"
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#include "ssutil.h"
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#include <Windowsx.h>
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CScreenSaverHandler::CScreenSaverHandler( HWND hWnd,
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UINT nFindNotifyMessage,
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UINT nPaintTimer,
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UINT nChangeTimer,
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UINT nToolbarTimer,
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HINSTANCE hInstance )
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: m_hWnd(hWnd),
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m_hInstance(hInstance),
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m_nFindNotifyMessage(nFindNotifyMessage),
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m_nPaintTimerId(nPaintTimer),
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m_nChangeTimerId(nChangeTimer),
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m_nToolbarTimerId(nToolbarTimer),
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m_pImageScreenSaver(NULL),
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m_bPaused(false),
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m_hFindThread(NULL),
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m_hFindCancel(NULL),
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m_bFirstImage(true),
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m_hwndTB(NULL),
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m_bToolbarVisible(false),
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m_LastMousePosition(NULL)
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{
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}
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static const TBBUTTON c_tbSlideShow[] =
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{
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// override default toolbar width for separators; iBitmap member of
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// TBBUTTON struct is a union of bitmap index & separator width
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{ 0, ID_PLAYCMD, TBSTATE_ENABLED | TBSTATE_CHECKED, TBSTYLE_CHECKGROUP, {0,0}, 0, 0},
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{ 1, ID_PAUSECMD, TBSTATE_ENABLED, TBSTYLE_CHECKGROUP, {0,0}, 0, 0},
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{ 5, 0, TBSTATE_ENABLED, TBSTYLE_SEP, {0,0}, 0, 0},
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{ 2, ID_PREVCMD, TBSTATE_ENABLED, TBSTYLE_BUTTON, {0,0}, 0, 0},
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{ 3, ID_NEXTCMD, TBSTATE_ENABLED, TBSTYLE_BUTTON, {0,0}, 0, 0},
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{ 6, 0, TBSTATE_ENABLED, TBSTYLE_SEP, {0,0}, 0, 0},
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{ 7, 0, TBSTATE_ENABLED, TBSTYLE_SEP, {0,0}, 0, 0},
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{ 4, ID_CLOSECMD, TBSTATE_ENABLED, TBSTYLE_BUTTON, {0,0}, 0, 0},
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};
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HRESULT CScreenSaverHandler::_InitializeToolbar(HWND hwndTB,
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int idCold,
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int idHot)
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{
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HRESULT hr = S_OK;
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int cxBitmap = 16, cyBitmap = 16;
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::SendMessage(hwndTB, CCM_SETVERSION, COMCTL32_VERSION, 0);
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::SendMessage(hwndTB, TB_SETEXTENDEDSTYLE, 0, TBSTYLE_EX_MIXEDBUTTONS);
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::SendMessage(hwndTB, TB_BUTTONSTRUCTSIZE, sizeof(TBBUTTON), 0);
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::SendMessage(hwndTB, TB_SETMAXTEXTROWS, 1, 0);
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// Create, fill, and assign the image list for default buttons.
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HBITMAP hbCold = (HBITMAP)::CreateMappedBitmap(m_hInstance,
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idCold,
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0,
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NULL,
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0);
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if(!hbCold)
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{
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hr = E_FAIL;
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}
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else
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{
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HIMAGELIST himl = ::ImageList_Create(cxBitmap,
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cyBitmap,
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ILC_COLOR8|ILC_MASK,
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0,
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ARRAYSIZE(c_tbSlideShow));
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if(!himl)
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{
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hr = E_FAIL;
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}
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if( -1 == ::ImageList_AddMasked(himl, hbCold, RGB(255, 0, 255)))
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{
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hr = E_FAIL;
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}
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::SendMessage(hwndTB, TB_SETIMAGELIST, 0, (LPARAM)himl);
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::DeleteObject(hbCold);
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}
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// Create, fill, and assign the image list for hot buttons.
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HBITMAP hbHot = (HBITMAP)::CreateMappedBitmap(m_hInstance,
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idHot,
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0,
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NULL,
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0);
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if(!hbHot)
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{
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hr = E_FAIL;
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}
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else
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{
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HIMAGELIST himlHot = ::ImageList_Create(cxBitmap,
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cyBitmap,
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ILC_COLOR8|ILC_MASK,
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0,
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ARRAYSIZE(c_tbSlideShow));
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if(!himlHot)
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{
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hr = E_FAIL;
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}
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::ImageList_AddMasked(himlHot, hbHot, RGB(255, 0, 255));
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::SendMessage(hwndTB, TB_SETHOTIMAGELIST, 0, (LPARAM)himlHot);
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::DeleteObject(hbHot);
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}
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return hr;
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}
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HRESULT CScreenSaverHandler::_CreateToolbar()
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{
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HRESULT hr = S_OK;
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::InitCommonControls();
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DWORD dwStyle = WS_CHILD | CCS_ADJUSTABLE;
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m_hwndTB = ::CreateWindowEx(0, TOOLBARCLASSNAME,
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NULL, dwStyle, 0, 0, 0, 0,
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m_hWnd, (HMENU) NULL, m_hInstance, NULL);
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if(!m_hwndTB)
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{
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hr = E_FAIL;
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}
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else
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{
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_InitializeToolbar(m_hwndTB, IDB_SLIDESHOWTOOLBAR, IDB_SLIDESHOWTOOLBARHOT);
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TBBUTTON tbSlideShow[ARRAYSIZE(c_tbSlideShow)];
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::memcpy(tbSlideShow, c_tbSlideShow, sizeof(c_tbSlideShow));
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// Add the buttons, and then set the minimum and maximum button widths.
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::SendMessage(m_hwndTB, TB_ADDBUTTONS,
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(UINT)ARRAYSIZE(c_tbSlideShow), (LPARAM)tbSlideShow);
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LRESULT dwSize = ::SendMessage(m_hwndTB, TB_GETBUTTONSIZE, 0, 0);
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RECT rcClient = {0};
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RECT rcToolbar = {0, 0, GET_X_LPARAM(dwSize) * ARRAYSIZE(c_tbSlideShow), GET_Y_LPARAM(dwSize)};
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::GetClientRect(m_hWnd,&rcClient);
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::AdjustWindowRectEx(&rcToolbar, dwStyle, FALSE, WS_EX_TOOLWINDOW);
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::SetWindowPos(m_hwndTB,
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HWND_TOP,
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RECTWIDTH(rcClient)-RECTWIDTH(rcToolbar),
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0,
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RECTWIDTH(rcToolbar),
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RECTHEIGHT(rcToolbar),
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SWP_NOCOPYBITS | SWP_NOMOVE | SWP_NOSIZE | SWP_HIDEWINDOW);
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::ShowCursor(false);
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::SendMessage(m_hwndTB, TB_AUTOSIZE, 0, 0);
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}
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return hr;
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}
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void CScreenSaverHandler::Initialize(void)
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{
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CWaitCursor wc;
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HDC hDC = ::GetDC(m_hWnd);
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if (hDC)
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{
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m_pImageScreenSaver = new CImageScreenSaver( m_hInstance,
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true );
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if (m_pImageScreenSaver)
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{
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m_pImageScreenSaver->SetScreenRect(m_hWnd);
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if (m_pImageScreenSaver->IsValid())
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{
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m_hFindCancel = ::CreateEvent( NULL, TRUE, FALSE, NULL );
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if (m_hFindCancel)
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{
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m_hFindThread = m_pImageScreenSaver->Initialize( m_hWnd,
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m_nFindNotifyMessage,
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m_hFindCancel );
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}
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}
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else
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{
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delete m_pImageScreenSaver;
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m_pImageScreenSaver = NULL;
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}
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}
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::ReleaseDC( m_hWnd, hDC );
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}
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_CreateToolbar();
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}
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CScreenSaverHandler::~CScreenSaverHandler(void)
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{
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if (m_pImageScreenSaver)
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{
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delete m_pImageScreenSaver;
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m_pImageScreenSaver = NULL;
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}
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if (m_hFindCancel)
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{
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::SetEvent(m_hFindCancel);
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::CloseHandle(m_hFindCancel);
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m_hFindCancel = NULL;
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}
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if (m_hFindThread)
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{
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::WaitForSingleObject( m_hFindThread, INFINITE );
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::CloseHandle(m_hFindThread);
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m_hFindThread = NULL;
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}
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}
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void CScreenSaverHandler::OnPrev()
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{
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OnPause();
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if(m_pImageScreenSaver)
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{
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if(!m_pImageScreenSaver->ReplaceImage(false,true))
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{
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OnStop();
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}
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m_pImageScreenSaver->OnInput();
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}
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HandleTimer(m_nPaintTimerId);
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}
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void CScreenSaverHandler::OnNext()
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{
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OnPause();
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if(m_pImageScreenSaver)
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{
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if(!m_pImageScreenSaver->ReplaceImage(true,true))
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{
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OnStop();
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}
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m_pImageScreenSaver->OnInput();
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}
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HandleTimer(m_nPaintTimerId);
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}
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void CScreenSaverHandler::OnPause()
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{
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m_bPaused = true;
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if(m_hwndTB)
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{
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::SendMessage(m_hwndTB, TB_SETSTATE, ID_PAUSECMD, (LPARAM) MAKELONG(TBSTATE_CHECKED | TBSTATE_ENABLED,0));
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::SendMessage(m_hwndTB, TB_SETSTATE, ID_PLAYCMD, (LPARAM) MAKELONG(TBSTATE_ENABLED,0));
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}
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}
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void CScreenSaverHandler::OnStop()
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{
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::PostMessage(m_hWnd, WM_CLOSE, 0, 0);
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}
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void CScreenSaverHandler::OnPlay()
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{
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m_bPaused = false;
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if(m_hwndTB)
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{
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::SendMessage(m_hwndTB, TB_SETSTATE, ID_PAUSECMD, (LPARAM) MAKELONG(TBSTATE_ENABLED,0));
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::SendMessage(m_hwndTB, TB_SETSTATE, ID_PLAYCMD, (LPARAM) MAKELONG(TBSTATE_CHECKED | TBSTATE_ENABLED,0));
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}
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if (m_pImageScreenSaver)
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{
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m_pImageScreenSaver->OnInput();
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if(m_pImageScreenSaver->ReplaceImage(true,true))
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{
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m_TimerPaint.Set( m_hWnd,
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m_nPaintTimerId,
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CHANGE_TIMER_INTERVAL_MSEC );
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}
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else
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{
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OnStop();
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}
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}
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}
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// turn on the toolbar window.
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// let the screen saver know it's on.
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// start the toolbar timer - which will turn it off later.
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HRESULT CScreenSaverHandler::_ShowToolbar(bool bShow)
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{
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HRESULT hr = S_OK;
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if(m_pImageScreenSaver)
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{
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m_pImageScreenSaver->ShowToolbar(bShow);
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}
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if((bShow == true) &&
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(m_bToolbarVisible == false))
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{
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m_bToolbarVisible = bShow;
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if(m_hwndTB)
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{
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::ShowWindow(m_hwndTB, SW_SHOW);
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::ShowCursor(true);
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m_bToolbarVisible = true;
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}
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// set timer to remove toolbar
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m_TimerInput.Set( m_hWnd,
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m_nToolbarTimerId,
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TOOLBAR_TIMER_DELAY );
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InvalidateRect(m_hwndTB,NULL,TRUE);
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}
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else if((bShow == false) &&
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(m_bToolbarVisible == true))
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{
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if(m_hwndTB)
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{
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::ShowWindow(m_hwndTB, SW_HIDE);
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::ShowCursor(false);
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m_bToolbarVisible = false;
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}
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}
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HandlePaint(); // repaint the frame
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return hr;
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}
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bool CScreenSaverHandler::HandleMouseMove(WPARAM wParam, LPARAM lParam)
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{
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if(m_LastMousePosition == NULL)
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{
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m_LastMousePosition = lParam;
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}
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else if (m_LastMousePosition != lParam)
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{
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_OnInput();
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m_LastMousePosition = lParam;
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}
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return false;
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}
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bool CScreenSaverHandler::HandleMouseMessage(WPARAM wParam, LPARAM lParam)
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{
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if (m_pImageScreenSaver)
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{
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m_pImageScreenSaver->OnInput();
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}
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return false;
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}
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void CScreenSaverHandler::HandleOnCommand( WPARAM wParam, LPARAM lParam)
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{
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_OnInput();
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switch(wParam)
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{
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case ID_PLAYCMD:
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OnPlay();
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break;
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case ID_PAUSECMD:
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OnPause();
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break;
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case ID_PREVCMD:
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OnPrev();
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break;
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case ID_NEXTCMD:
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OnNext();
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break;
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case ID_CLOSECMD:
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OnStop();
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break;
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}
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}
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void CScreenSaverHandler::HandleOnAppCommand( WPARAM wParam, LPARAM lParam)
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{
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_OnInput();
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switch(GET_APPCOMMAND_LPARAM(lParam))
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{
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case APPCOMMAND_BROWSER_BACKWARD:
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||
|
|
case APPCOMMAND_MEDIA_PREVIOUSTRACK:
|
||
|
|
{
|
||
|
|
OnPrev();
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case APPCOMMAND_MEDIA_NEXTTRACK:
|
||
|
|
case APPCOMMAND_BROWSER_FORWARD:
|
||
|
|
{
|
||
|
|
OnNext();
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case APPCOMMAND_MEDIA_STOP:
|
||
|
|
case APPCOMMAND_BROWSER_STOP:
|
||
|
|
{
|
||
|
|
OnStop();
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case APPCOMMAND_MEDIA_PLAY_PAUSE:
|
||
|
|
{
|
||
|
|
if(m_bPaused)
|
||
|
|
{
|
||
|
|
OnPlay();
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
OnPause();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void CScreenSaverHandler::_OnInput()
|
||
|
|
{
|
||
|
|
m_TimerInput.Set( m_hWnd, m_nToolbarTimerId, TOOLBAR_TIMER_DELAY );
|
||
|
|
_ShowToolbar(true);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
bool CScreenSaverHandler::HandleKeyboardMessage( UINT nMessage, WPARAM nVirtkey )
|
||
|
|
{
|
||
|
|
_OnInput();
|
||
|
|
|
||
|
|
if (m_pImageScreenSaver)
|
||
|
|
{
|
||
|
|
m_pImageScreenSaver->OnInput();
|
||
|
|
if (nMessage == WM_KEYDOWN)
|
||
|
|
{
|
||
|
|
switch (nVirtkey)
|
||
|
|
{
|
||
|
|
case VK_DOWN:
|
||
|
|
if (nMessage == WM_KEYDOWN)
|
||
|
|
{
|
||
|
|
m_bPaused = !m_bPaused;
|
||
|
|
if (!m_bPaused)
|
||
|
|
{
|
||
|
|
if (m_pImageScreenSaver)
|
||
|
|
{
|
||
|
|
if (m_pImageScreenSaver->ReplaceImage(true,false))
|
||
|
|
{
|
||
|
|
m_TimerPaint.Set( m_hWnd, m_nPaintTimerId, PAINT_TIMER_INTERVAL_MSEC );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
OnStop();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
|
||
|
|
case VK_LEFT:
|
||
|
|
if (nMessage == WM_KEYDOWN)
|
||
|
|
{
|
||
|
|
OnPrev();
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
|
||
|
|
case VK_RIGHT:
|
||
|
|
if (nMessage == WM_KEYDOWN)
|
||
|
|
{
|
||
|
|
OnNext();
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
|
||
|
|
case VK_ESCAPE:
|
||
|
|
case VK_DELETE:
|
||
|
|
if (nMessage == WM_KEYDOWN)
|
||
|
|
{
|
||
|
|
OnStop();
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void CScreenSaverHandler::OnSize(WPARAM wParam, LPARAM lParam)
|
||
|
|
{
|
||
|
|
HandlePaint();
|
||
|
|
}
|
||
|
|
|
||
|
|
void CScreenSaverHandler::HandleConfigChange()
|
||
|
|
{
|
||
|
|
if (m_pImageScreenSaver)
|
||
|
|
{
|
||
|
|
m_pImageScreenSaver->SetScreenRect(m_hWnd);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void CScreenSaverHandler::HandleTimer( WPARAM nEvent )
|
||
|
|
{
|
||
|
|
if (nEvent == m_nPaintTimerId)
|
||
|
|
{
|
||
|
|
if (m_pImageScreenSaver)
|
||
|
|
{
|
||
|
|
CSimpleDC ClientDC;
|
||
|
|
if (ClientDC.GetDC(m_hWnd))
|
||
|
|
{
|
||
|
|
bool bResult = m_pImageScreenSaver->TimerTick( ClientDC );
|
||
|
|
if (bResult)
|
||
|
|
{
|
||
|
|
m_TimerPaint.Set( m_hWnd,
|
||
|
|
m_nChangeTimerId,
|
||
|
|
CHANGE_TIMER_INTERVAL_MSEC );
|
||
|
|
}
|
||
|
|
InvalidateRect(m_hwndTB,NULL,TRUE);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (nEvent == m_nChangeTimerId)
|
||
|
|
{
|
||
|
|
m_TimerPaint.Kill();
|
||
|
|
|
||
|
|
if (!m_bPaused && m_pImageScreenSaver)
|
||
|
|
{
|
||
|
|
if(m_pImageScreenSaver->ReplaceImage(true,false))
|
||
|
|
{
|
||
|
|
m_TimerPaint.Set( m_hWnd, m_nPaintTimerId, PAINT_TIMER_INTERVAL_MSEC );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// unable to find next image - so exit the screensaver.
|
||
|
|
OnStop();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (nEvent == m_nToolbarTimerId)
|
||
|
|
{
|
||
|
|
// m_TimerInput expired - so turn off toolbar
|
||
|
|
_ShowToolbar(false);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void CScreenSaverHandler::HandlePaint(void)
|
||
|
|
{
|
||
|
|
if (m_pImageScreenSaver)
|
||
|
|
{
|
||
|
|
CSimpleDC PaintDC;
|
||
|
|
if (PaintDC.BeginPaint(m_hWnd))
|
||
|
|
{
|
||
|
|
m_pImageScreenSaver->Paint(PaintDC);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void CScreenSaverHandler::HandleFindFile( CFoundFileMessageData *pFoundFileMessageData )
|
||
|
|
{
|
||
|
|
if (m_pImageScreenSaver)
|
||
|
|
{
|
||
|
|
if (pFoundFileMessageData)
|
||
|
|
{
|
||
|
|
bool bResult = m_pImageScreenSaver->FoundFile( pFoundFileMessageData->Name() );
|
||
|
|
if (!bResult)
|
||
|
|
{
|
||
|
|
::SetEvent( m_hFindCancel );
|
||
|
|
}
|
||
|
|
if (m_bFirstImage && m_pImageScreenSaver->Count())
|
||
|
|
{
|
||
|
|
// If this is our first image, start things up
|
||
|
|
::SendMessage( m_hWnd, WM_TIMER, m_nChangeTimerId, 0 );
|
||
|
|
m_bFirstImage = false;
|
||
|
|
}
|
||
|
|
delete pFoundFileMessageData;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|