cpi_playlistwindow.c

VC++视频开发实例集锦(包括“远程视频监控”"语音识别系统"等13个经典例子)

            case PLAYLIST_COMMENT:
                CPLI_SetComment(hPlaylistItem, pcEditText);
                break;
            }
        }

        free(pcEditText);
    }
}
//
//
//
void CPlaylistWindow_WM_COMMAND_IDC_PL_FLOATINGCOMBO(WPARAM wParam, LPARAM lParam)
{
    if(HIWORD(wParam) == CBN_KILLFOCUS)
    {
        // Floating combo control looses focus - destroy it (after breaking out of kill focus context)
        IF_PostAppMessage(windows.m_hifPlaylist, CPPLM_DESTROYINPLACE, 0L, 0L);
    }
    else if(HIWORD(wParam) == CBN_SELCHANGE && globals.m_bIP_InhibitUpdates == FALSE)
    {
        int iSearchItemIDX;
        int iSelectedItemIDX;
        unsigned char cNewGenre;

        iSelectedItemIDX = SendMessage(windows.wnd_playlist_IPEdit, CB_GETCURSEL, 0L, 0L);
        cNewGenre = (unsigned char)SendMessage(windows.wnd_playlist_IPEdit, CB_GETITEMDATA, (WPARAM)iSelectedItemIDX, 0L);

        // Update all of the selected items
        iSearchItemIDX = CLV_GetNextSelectedItem(globals.m_hPlaylistViewControl, CPC_INVALIDITEM);
        for(;iSearchItemIDX != -1; iSearchItemIDX = CLV_GetNextSelectedItem(globals.m_hPlaylistViewControl, iSearchItemIDX))
        {
            CP_HPLAYLISTITEM hPlaylistItem = (CP_HPLAYLISTITEM)CLV_GetItemData(globals.m_hPlaylistViewControl, iSearchItemIDX);
            CPLI_SetGenreIDX(hPlaylistItem, cNewGenre);
        }
    }
}
//
//
//
void LVCB_DrawBackgroundRect(CPs_DrawContext* pDC)
{
    RECT rClient;
    GetClientRect(IF_GetHWnd(windows.m_hifPlaylist), &rClient);

    // Draw the window background
    CPIG_TiledFill(pDC, &rClient, &glb_pSkin->mpl_rBackground_SourceTile, glb_pSkin->mpl_pBackground, CIC_TILEDFILOPTIONS_NONE);
}
//
//
//
void CPlaylistWindow_CB_onClose(CP_HINTERFACE hInterface)
{
    options.show_playlist = FALSE;
    CPlaylistWindow_SetVisible(FALSE);
}
//
//
//
void LVCB_HeaderChanged(CP_HLISTVIEW _hListData)
{
    CLV_GetColumnOrder(_hListData, options.playlist_column_seq, PLAYLIST_last + 1);
    CLV_GetColumnWidths(_hListData, options.playlist_column_widths, PLAYLIST_last + 1);
    CLV_GetColumnVisibleState(_hListData, options.playlist_column_visible, PLAYLIST_last + 1);
}
//
//
//
void LVCB_ItemSelected(CP_HLISTVIEW _hListData, const int iItemIDX, const CP_HPLAYLISTITEM hItem)
{
    if(options.read_id3_tag_of_selected)
        CPLI_ReadTag(hItem);
}
//
//
//
void LVCB_ItemAction(CP_HLISTVIEW _hListData, const int iItemIDX, const CP_HPLAYLISTITEM hItem)
{
    // Setup & play the active item
    if(CPL_Stack_GetItemState(globals.m_hPlaylist, hItem) == issUnstacked)
    {
        CPL_Stack_ClipFromCurrent(globals.m_hPlaylist);
        CPL_Stack_Append(globals.m_hPlaylist, hItem);
        CPL_SetActiveItem(globals.m_hPlaylist, hItem);
        CPL_PlayItem(globals.m_hPlaylist, TRUE, pmCurrentItem);
    }
    else
    {
        CPL_SetActiveItem(globals.m_hPlaylist, hItem);
        CPL_PlayItem(globals.m_hPlaylist, TRUE, pmCurrentItem);
    }
}
//
//
//
void LVCB_ItemDrag(CP_HLISTVIEW _hListData, const int iItemIDX, const CP_HPLAYLISTITEM hItem)
{
    globals.main_drag_anchor_point = iItemIDX;
    IF_SetMouseCapture(windows.m_hifPlaylist, CPlaylistWindow_CB_onMouseMove, CPlaylistWindow_CB_onMouseButton_LUp);
}
//
//
//
void LVCB_ColHeaderClick(CP_HLISTVIEW _hListData, const int iColIDX)
{
    // Work out assending or decending
    BOOL bDesc;
    if(iColIDX == globals.m_iLastPlaylistSortColoumn)
    {
        globals.m_iLastPlaylistSortColoumn = -1;
        bDesc = TRUE;
    }
    else
    {
        globals.m_iLastPlaylistSortColoumn = iColIDX;
        bDesc = FALSE;
    }

    // Perform sorting
    switch(iColIDX)
    {
    case PLAYLIST_TRACKSTACK:
        CPL_SortList(globals.m_hPlaylist, piseTrackStackPos, FALSE);
        break;
    case PLAYLIST_TITLE:
        CPL_SortList(globals.m_hPlaylist, piseTrackName, bDesc);
        break;
    case PLAYLIST_ARTIST:
        CPL_SortList(globals.m_hPlaylist, piseArtist, bDesc);
        break;
    case PLAYLIST_ALBUM:
        CPL_SortList(globals.m_hPlaylist, piseAlbum, bDesc);
        break;
    case PLAYLIST_YEAR:
        CPL_SortList(globals.m_hPlaylist, piseYear, bDesc);
        break;
    case PLAYLIST_TRACKNUM:
        CPL_SortList(globals.m_hPlaylist, piseTrackNum, bDesc);
        break;
    case PLAYLIST_COMMENT:
        CPL_SortList(globals.m_hPlaylist, piseComment, bDesc);
        break;
    case PLAYLIST_GENRE:
        CPL_SortList(globals.m_hPlaylist, piseGenre, bDesc);
        break;
    case PLAYLIST_PATH:
        CPL_SortList(globals.m_hPlaylist, pisePath, bDesc);
        break;
    case PLAYLIST_FILENAME:
        CPL_SortList(globals.m_hPlaylist, piseFilename, bDesc);
        break;
    case PLAYLIST_LENGTH:
        CPL_SortList(globals.m_hPlaylist, piseLength, bDesc);
        break;
    }
}
//
//
//
void LVCB_ItemRightClick(CP_HLISTVIEW _hListData, const int iItemIDX, const int iColumnIDX, const CP_HPLAYLISTITEM hItem)
{
    IF_PostAppMessage(windows.m_hifPlaylist, CPPLM_CREATEINPLACE, (WPARAM)iItemIDX, (LPARAM)iColumnIDX);
}
//
//
//
void LVCB_UnhandledKeyPress(CP_HLISTVIEW _hListData, const int iVKey, const BOOL bAlt, const BOOL bCtrl, const BOOL bShift)
{
    CP_HandleKeyPress_Playlist(windows.m_hWndPlaylist, iVKey, bAlt, bCtrl, bShift);
}
//
//
//
void CPlaylistWindow_ClearSelectedItems()
{
    int iSearchItemIDX;
    int iFocusItem;

    CLV_BeginBatch(globals.m_hPlaylistViewControl);
    iSearchItemIDX = CLV_GetNextSelectedItem(globals.m_hPlaylistViewControl, CPC_INVALIDITEM);
    while(iSearchItemIDX != CPC_INVALIDITEM)
    {
        CP_HPLAYLISTITEM hItem = (CP_HPLAYLISTITEM)CLV_GetItemData(globals.m_hPlaylistViewControl, iSearchItemIDX);
        CPL_RemoveItem(globals.m_hPlaylist, hItem);
        iSearchItemIDX = CLV_GetNextSelectedItem(globals.m_hPlaylistViewControl, CPC_INVALIDITEM);
    }

    iFocusItem = CLV_GetFocusItem(globals.m_hPlaylistViewControl);
    if(iFocusItem != CPC_INVALIDITEM)
        CLV_SetItemSelected(globals.m_hPlaylistViewControl, iFocusItem, TRUE);
    CLV_EndBatch(globals.m_hPlaylistViewControl);
}

//
//
//
void CPlaylistWindow_CB_onCreate(CP_HINTERFACE hInterface, const RECT* pInitialPosition)
{
    CPlaylistWindow_CreateListView();
}
//
//
//
void CPlaylistWindow_CB_onDraw(CP_HINTERFACE hInterface, CPs_DrawContext* pContext)
{
    RECT rClient;

    // Draw the window background
    GetClientRect(IF_GetHWnd(windows.m_hifPlaylist), &rClient);
    CPIG_TiledFill(pContext, &rClient, &glb_pSkin->mpl_rBackground_SourceTile, glb_pSkin->mpl_pBackground, CIC_TILEDFILOPTIONS_NONE);
}
//
//
//
void CPlaylistWindow_CB_onKeyDown(CP_HINTERFACE hInterface, const unsigned int iVKeyCode, const BOOL bAlt, const BOOL bCtrl, const BOOL bShift)
{
    CP_HandleKeyPress_Playlist(NULL, iVKeyCode, bAlt, bCtrl, bShift);
}
//
//
//
void CPlaylistWindow_CB_onDropFiles(CP_HINTERFACE hInterface, HDROP hDrop)
{
    CPL_SyncLoadNextFile(globals.m_hPlaylist);
    CPL_AddDroppedFiles(globals.m_hPlaylist, hDrop);
}
//
//
//
void CPlaylistWindow_CB_onPosChange(CP_HINTERFACE hInterface, const RECT* pNewPosition, const BOOL bSizeChanged)
{
    options.playlist_window_pos = *pNewPosition;

    if(bSizeChanged)
    {
        SIZE szWindow;

        szWindow.cx = pNewPosition->right - pNewPosition->left;
        szWindow.cy = pNewPosition->bottom - pNewPosition->top;
        MoveWindow(CLV_GetHWND(globals.m_hPlaylistViewControl),
                   glb_pSkin->mpl_rList_Border.left,
                   glb_pSkin->mpl_rList_Border.top,
                   (szWindow.cx - glb_pSkin->mpl_rList_Border.right) - glb_pSkin->mpl_rList_Border.left,
                   (szWindow.cy - glb_pSkin->mpl_rList_Border.bottom) - glb_pSkin->mpl_rList_Border.top,
                   TRUE);
    }
}
//
//
//
void CPlaylistWindow_CB_onFocus(CP_HINTERFACE hInterface, const BOOL bHasFocus)
{
    if(bHasFocus == TRUE)
        SetFocus(CLV_GetHWND(globals.m_hPlaylistViewControl));
}
//
//
//
void CPlaylistWindow_CB_onCommandMessage(CP_HINTERFACE hInterface, const WPARAM wParam, const LPARAM lParam)
{
    if(LOWORD(wParam) == IDC_PL_FLOATINGEDIT)
        CPlaylistWindow_WM_COMMAND_IDC_PL_FLOATINGEDIT(wParam, lParam);
    else if(LOWORD(wParam) == IDC_PL_FLOATINGCOMBO)
        CPlaylistWindow_WM_COMMAND_IDC_PL_FLOATINGCOMBO(wParam, lParam);
}
//
//
//
LRESULT CPlaylistWindow_CB_onAppMessage(CP_HINTERFACE hInterface, const UINT uiMessage, const WPARAM wParam, const LPARAM lParam)
{
    if(uiMessage == CPPLM_CREATEINPLACE)
    {
        int iItem = (int)wParam;
        int iSubItem = (int)lParam;

        CPlaylistWindow_DestroyIPEdit();

        // It's a hit - create sub control (for IP controls)
        if(iItem != CPC_INVALIDITEM && iSubItem != CPC_INVALIDCOLUMN)
        {
            if(iSubItem != PLAYLIST_TRACKSTACK
                    && iSubItem != PLAYLIST_PATH
                    && iSubItem != PLAYLIST_FILENAME)
            {
                CPlaylistWindow_CreateIPEdit(iItem, iSubItem);
            }
            else if(iSubItem == PLAYLIST_TRACKSTACK)
            {
                CPlaylistWindow_TrackStackMenu(iItem);
            }
            else if(iSubItem == PLAYLIST_PATH || iSubItem == PLAYLIST_FILENAME)
            {
                CPlaylistWindow_RenameMenu(iItem, iSubItem);
            }
        }
    }
    else if(uiMessage == CPPLM_DESTROYINPLACE)
        CPlaylistWindow_DestroyIPEdit();

    return 0;
}
//
//
//
CPe_CustomDrawColour LVCB_GetTrackStackItemColour(const void* pvItemData)
{
    CP_HPLAYLISTITEM hItem = (CP_HPLAYLISTITEM)pvItemData;
    int iTrackStackPos;

    iTrackStackPos = CPLI_GetTrackStackPos(hItem);
    if(iTrackStackPos == CIC_TRACKSTACK_UNSTACKED)
        return cdcNormal;
    else if(iTrackStackPos == 0)
        return cdcHighlighted;
    else if(iTrackStackPos < 0)
        return cdcLowlighted;

    return cdcNormal;
}
//
//
//
CPe_CustomDrawColour LVCB_GetItemColour(const void* pvItemData)
{
    CP_HPLAYLISTITEM hItem = (CP_HPLAYLISTITEM)pvItemData;

    if(CPLI_GetTrackStackPos(hItem) == 0)
        return cdcHighlighted;

    return cdcNormal;
}
//
//
//