VlcPlayerCsdn-全屏显示以及按钮函数的实现

// VlcPlayerCsdnDlg.cpp: 实现文件 // #include "stdafx.h" #include "VlcPlayerCsdn.h" #include "VlcPlayerCsdnDlg.h" #include "afxdialogex.h" #include "vlc.h" #pragma comment(lib, "libvlc.lib") #pragma comment(lib, "libvlccore.lib") //#define WIN32_LEAN_AND_MEAN #define WM_USER_POS_CHANGED WM_USER + 1 #ifdef _DEBUG #define new DEBUG_NEW #endif // 用于应用程序“关于”菜单项的 CAboutDlg 对话框 class CAboutDlg : public CDialogEx { public: CAboutDlg(); // 对话框数据 #ifdef AFX_DESIGN_TIME enum { IDD = IDD_ABOUTBOX }; #endif protected: virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV 支持 // 实现 protected: DECLARE_MESSAGE_MAP() }; CAboutDlg::CAboutDlg() : CDialogEx(IDD_ABOUTBOX) { } void CAboutDlg::DoDataExchange(CDataExchange* pDX) { CDialogEx::DoDataExchange(pDX); } BEGIN_MESSAGE_MAP(CAboutDlg, CDialogEx) END_MESSAGE_MAP() // CVlcPlayerCsdnDlg 对话框 CVlcPlayerCsdnDlg::CVlcPlayerCsdnDlg(CWnd* pParent /*=nullptr*/) : CDialogEx(IDD_VLCPLAYERCSDN_DIALOG, pParent) { m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); } void CVlcPlayerCsdnDlg::DoDataExchange(CDataExchange* pDX) { CDialogEx::DoDataExchange(pDX); DDX_Control(pDX, IDC_LIST_PLAY, m_listPlay); DDX_Control(pDX, IDC_LIST_MUSINFO, m_listInfo); DDX_Control(pDX, IDC_SLIDER1, m_slider); } BEGIN_MESSAGE_MAP(CVlcPlayerCsdnDlg, CDialogEx) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_BUTTON_PLAY, &CVlcPlayerCsdnDlg::OnBnClickedButtonPlay) ON_WM_DROPFILES() ON_LBN_DBLCLK(IDC_LIST_PLAY, &CVlcPlayerCsdnDlg::OnDblclkListPlay) ON_MESSAGE(WM_USER_POS_CHANGED, OnPosChanged) ON_WM_HSCROLL() ON_STN_DBLCLK(IDC_PLAY, &CVlcPlayerCsdnDlg::OnDblclkPlay) ON_BN_CLICKED(IDC_BUTTON_UP, &CVlcPlayerCsdnDlg::OnBnClickedButtonUp) ON_BN_CLICKED(IDC_BUTTON_DOWN, &CVlcPlayerCsdnDlg::OnBnClickedButtonDown) ON_BN_CLICKED(IDC_BUTTON_FORWARD, &CVlcPlayerCsdnDlg::OnBnClickedButtonForward) ON_BN_CLICKED(IDC_BUTTON_BACKWARD, &CVlcPlayerCsdnDlg::OnBnClickedButtonBackward) ON_BN_CLICKED(IDC_BUTTON_SHOWLIST, &CVlcPlayerCsdnDlg::OnBnClickedButtonShowlist) END_MESSAGE_MAP() void CallbackPosChanged(void *data, int iPos) { CAVPlayer *pAVPlayer = (CAVPlayer *)data; if (pAVPlayer) { HWND hWnd = pAVPlayer->GetHWND(); if (::IsWindow(hWnd) && ::IsWindow(::GetParent(hWnd))) { ::PostMessage(::GetParent(hWnd), WM_USER_POS_CHANGED, (WPARAM)data, iPos); } } } CStringA UnicodeToUTF8(const CStringW& strWide) { CStringA strUTF8; int nLen = ::WideCharToMultiByte(CP_UTF8, 0, strWide, -1, NULL, 0, NULL, NULL); if (nLen > 1) { ::WideCharToMultiByte(CP_UTF8, 0, strWide, -1, strUTF8.GetBuffer(nLen - 1), nLen, NULL, NULL); strUTF8.ReleaseBuffer(); } return strUTF8; } void CVlcPlayerCsdnDlg::ShowPlaylist(BOOL bShow) { CRect rcWnd, rcPlaylist; GetWindowRect(&rcWnd); m_listPlay.GetClientRect(&rcPlaylist); if (m_listPlay.IsWindowVisible() != bShow) // 只有显示状态发生变化时，才调整窗口大小 { if (bShow) { SetWindowPos(NULL, 0, 0, rcWnd.Width() + rcPlaylist.Width(), rcWnd.Height(), SWP_NOMOVE); } else { SetWindowPos(NULL, 0, 0, rcWnd.Width() - rcPlaylist.Width(), rcWnd.Height(), SWP_NOMOVE); } } m_listPlay.ShowWindow(bShow ? SW_SHOW : SW_HIDE); m_listInfo.ShowWindow(bShow ? SW_SHOW : SW_HIDE); } void EnumerateFiles(CStringArray &strArray) { WIN32_FIND_DATA fd; HANDLE hFind = ::FindFirstFile(_T("*.*"), &fd); if (hFind != INVALID_HANDLE_VALUE) { do { // 如果为目录 if (fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) { // 如果不为当前目录.或上一层目录.. if (_tcscmp(fd.cFileName, _T(".")) && _tcscmp(fd.cFileName, _T(".."))) { ::SetCurrentDirectory(fd.cFileName); // 进入该目录 EnumerateFiles(strArray); // 递归枚举 ::SetCurrentDirectory(_T("..")); // 返回该目录上一层目录 } } // 如果为文件 else { CString strDir; TCHAR lpDir[MAX_PATH]�