win32_factory.cpp
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上传日期:2009-03-27
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- /*****************************************************************************
- * win32_factory.cpp
- *****************************************************************************
- * Copyright (C) 2003 VideoLAN
- * $Id: win32_factory.cpp 8864 2004-09-30 19:44:43Z gbazin $
- *
- * Authors: Cyril Deguet <asmax@via.ecp.fr>
- * Olivier Teuli鑢e <ipkiss@via.ecp.fr>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
- *****************************************************************************/
- #ifdef WIN32_SKINS
- #include "win32_factory.hpp"
- #include "win32_graphics.hpp"
- #include "win32_timer.hpp"
- #include "win32_window.hpp"
- #include "win32_tooltip.hpp"
- #include "win32_loop.hpp"
- #include "../src/theme.hpp"
- LRESULT CALLBACK Win32Proc( HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
- {
- // Get pointer to thread info: should only work with the parent window
- intf_thread_t *p_intf = (intf_thread_t *)GetWindowLongPtr( hwnd,
- GWLP_USERDATA );
- // If doesn't exist, treat windows message normally
- if( p_intf == NULL || p_intf->p_sys->p_osFactory == NULL )
- {
- return DefWindowProc( hwnd, uMsg, wParam, lParam );
- }
- // Here we know we are getting a message for the parent window, since it is
- // the only one to store p_intf...
- // Yes, it is a kludge :)
- //Win32Factory *pFactory = (Win32Factory*)Win32Factory::instance( p_intf );
- //msg_Err( p_intf, "Parent window %p %p %u %in", pFactory->m_hParentWindow, hwnd, uMsg, wParam );
- // If Window is parent window
- // XXX: this test isn't needed, see the kludge above...
- // if( hwnd == pFactory->m_hParentWindow )
- {
- if( uMsg == WM_SYSCOMMAND )
- {
- // If closing parent window
- if( wParam == SC_CLOSE )
- {
- Win32Loop *pLoop = (Win32Loop*)Win32Loop::instance( p_intf );
- pLoop->exit();
- return 0;
- }
- else
- {
- msg_Err( p_intf, "WM_SYSCOMMAND %i", wParam );
- }
- // if( (Event *)wParam != NULL )
- // ( (Event *)wParam )->SendEvent();
- // return 0;
- }
- }
- // If hwnd does not match any window or message not processed
- return DefWindowProc( hwnd, uMsg, wParam, lParam );
- }
- Win32Factory::Win32Factory( intf_thread_t *pIntf ):
- OSFactory( pIntf ), TransparentBlt( NULL ), AlphaBlend( NULL ),
- SetLayeredWindowAttributes( NULL ), m_hParentWindow( NULL ),
- m_dirSep( "\" )
- {
- // see init()
- }
- bool Win32Factory::init()
- {
- // Get instance handle
- m_hInst = GetModuleHandle( NULL );
- if( m_hInst == NULL )
- {
- msg_Err( getIntf(), "Cannot get module handle" );
- }
- // Create window class
- WNDCLASS skinWindowClass;
- skinWindowClass.style = CS_VREDRAW | CS_HREDRAW | CS_DBLCLKS;
- skinWindowClass.lpfnWndProc = (WNDPROC) Win32Proc;
- skinWindowClass.lpszClassName = "SkinWindowClass";
- skinWindowClass.lpszMenuName = NULL;
- skinWindowClass.cbClsExtra = 0;
- skinWindowClass.cbWndExtra = 0;
- skinWindowClass.hbrBackground = HBRUSH (COLOR_WINDOW);
- skinWindowClass.hCursor = LoadCursor( NULL , IDC_ARROW );
- skinWindowClass.hIcon = LoadIcon( m_hInst, "VLC_ICON" );
- skinWindowClass.hInstance = m_hInst;
- // Register class and check it
- if( !RegisterClass( &skinWindowClass ) )
- {
- WNDCLASS wndclass;
- // Check why it failed. If it's because the class already exists
- // then fine, otherwise return with an error.
- if( !GetClassInfo( m_hInst, "SkinWindowClass", &wndclass ) )
- {
- msg_Err( getIntf(), "Cannot register window class" );
- return false;
- }
- }
- // Create Window
- m_hParentWindow = CreateWindowEx( WS_EX_APPWINDOW, "SkinWindowClass",
- "VLC media player", WS_SYSMENU|WS_POPUP, -200, -200, 0, 0, 0, 0, m_hInst, 0 );
- if( m_hParentWindow == NULL )
- {
- msg_Err( getIntf(), "Cannot create parent window" );
- return false;
- }
- // We do it this way otherwise CreateWindowEx will fail
- // if WS_EX_LAYERED is not supported
- SetWindowLongPtr( m_hParentWindow, GWL_EXSTYLE,
- GetWindowLong( m_hParentWindow, GWL_EXSTYLE )
- | WS_EX_LAYERED );
- // Store with it a pointer to the interface thread
- SetWindowLongPtr( m_hParentWindow, GWLP_USERDATA, (LONG_PTR)getIntf() );
- ShowWindow( m_hParentWindow, SW_SHOW );
- // Initialize the OLE library (for drag & drop)
- OleInitialize( NULL );
- // We dynamically load msimg32.dll to get a pointer to TransparentBlt()
- m_hMsimg32 = LoadLibrary( "msimg32.dll" );
- if( !m_hMsimg32 ||
- !( TransparentBlt =
- (BOOL (WINAPI*)(HDC, int, int, int, int,
- HDC, int, int, int, int, unsigned int))
- GetProcAddress( m_hMsimg32, "TransparentBlt" ) ) )
- {
- TransparentBlt = NULL;
- msg_Dbg( getIntf(), "Couldn't find TransparentBlt(), "
- "falling back to BitBlt()" );
- }
- if( !m_hMsimg32 ||
- !( AlphaBlend =
- (BOOL (WINAPI*)( HDC, int, int, int, int, HDC, int, int,
- int, int, BLENDFUNCTION ))
- GetProcAddress( m_hMsimg32, "AlphaBlend" ) ) )
- {
- AlphaBlend = NULL;
- msg_Dbg( getIntf(), "Couldn't find AlphaBlend()" );
- }
- // Idem for user32.dll and SetLayeredWindowAttributes()
- m_hUser32 = LoadLibrary( "user32.dll" );
- if( !m_hUser32 ||
- !( SetLayeredWindowAttributes =
- (BOOL (WINAPI *)(HWND, COLORREF, BYTE, DWORD))
- GetProcAddress( m_hUser32, "SetLayeredWindowAttributes" ) ) )
- {
- SetLayeredWindowAttributes = NULL;
- msg_Dbg( getIntf(), "Couldn't find SetLayeredWindowAttributes()" );
- }
- // Initialize the resource path
- m_resourcePath.push_back( (string)getIntf()->p_vlc->psz_homedir +
- "\" + CONFIG_DIR + "\skins" );
- m_resourcePath.push_back( (string)getIntf()->p_libvlc->psz_vlcpath +
- "\skins" );
- m_resourcePath.push_back( (string)getIntf()->p_libvlc->psz_vlcpath +
- "\skins2" );
- m_resourcePath.push_back( (string)getIntf()->p_libvlc->psz_vlcpath +
- "\share\skins" );
- m_resourcePath.push_back( (string)getIntf()->p_libvlc->psz_vlcpath +
- "\share\skins2" );
- // All went well
- return true;
- }
- Win32Factory::~Win32Factory()
- {
- // Uninitialize the OLE library
- OleUninitialize();
- if( m_hParentWindow ) DestroyWindow( m_hParentWindow );
- // Unload msimg32.dll and user32.dll
- if( m_hMsimg32 )
- FreeLibrary( m_hMsimg32 );
- if( m_hUser32 )
- FreeLibrary( m_hUser32 );
- }
- OSGraphics *Win32Factory::createOSGraphics( int width, int height )
- {
- return new Win32Graphics( getIntf(), width, height );
- }
- OSLoop *Win32Factory::getOSLoop()
- {
- return Win32Loop::instance( getIntf() );
- }
- void Win32Factory::destroyOSLoop()
- {
- Win32Loop::destroy( getIntf() );
- }
- void Win32Factory::minimize()
- {
- /* Make sure no tooltip is visible first */
- getIntf()->p_sys->p_theme->getWindowManager().hideTooltip();
- ShowWindow( m_hParentWindow, SW_MINIMIZE );
- }
- OSTimer *Win32Factory::createOSTimer( const Callback &rCallback )
- {
- return new Win32Timer( getIntf(), rCallback, m_hParentWindow );
- }
- OSWindow *Win32Factory::createOSWindow( GenericWindow &rWindow, bool dragDrop,
- bool playOnDrop, OSWindow *pParent )
- {
- return new Win32Window( getIntf(), rWindow, m_hInst, m_hParentWindow,
- dragDrop, playOnDrop, (Win32Window*)pParent );
- }
- OSTooltip *Win32Factory::createOSTooltip()
- {
- return new Win32Tooltip( getIntf(), m_hInst, m_hParentWindow );
- }
- int Win32Factory::getScreenWidth() const
- {
- return GetSystemMetrics(SM_CXSCREEN);
- }
- int Win32Factory::getScreenHeight() const
- {
- return GetSystemMetrics(SM_CYSCREEN);
- }
- Rect Win32Factory::getWorkArea() const
- {
- RECT r;
- SystemParametersInfo( SPI_GETWORKAREA, 0, &r, 0 );
- // Fill a Rect object
- Rect rect( r.left, r.top, r.right, r.bottom );
- return rect;
- }
- void Win32Factory::getMousePos( int &rXPos, int &rYPos ) const
- {
- POINT mousePos;
- GetCursorPos( &mousePos );
- rXPos = mousePos.x;
- rYPos = mousePos.y;
- }
- void Win32Factory::changeCursor( CursorType_t type ) const
- {
- LPCTSTR id;
- switch( type )
- {
- case kDefaultArrow:
- id = IDC_ARROW;
- break;
- case kResizeNWSE:
- id = IDC_SIZENWSE;
- break;
- case kResizeNS:
- id = IDC_SIZENS;
- break;
- case kResizeWE:
- id = IDC_SIZEWE;
- break;
- case kResizeNESW:
- id = IDC_SIZENESW;
- break;
- default:
- id = IDC_ARROW;
- break;
- }
- HCURSOR hCurs = LoadCursor( NULL, id );
- SetCursor( hCurs );
- }
- void Win32Factory::rmDir( const string &rPath )
- {
- WIN32_FIND_DATA find;
- string file;
- string findFiles = rPath + "\*";
- HANDLE handle = FindFirstFile( findFiles.c_str(), &find );
- while( handle != INVALID_HANDLE_VALUE )
- {
- // If file is neither "." nor ".."
- if( strcmp( find.cFileName, "." ) && strcmp( find.cFileName, ".." ) )
- {
- // Set file name
- file = rPath + "\" + (string)find.cFileName;
- // If file is a directory, delete it recursively
- if( find.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY )
- {
- rmDir( file );
- }
- // Else, it is a file so simply delete it
- else
- {
- DeleteFile( file.c_str() );
- }
- }
- // If no more file in directory, exit while
- if( !FindNextFile( handle, &find ) )
- break;
- }
- // Now directory is empty so can be removed
- FindClose( handle );
- RemoveDirectory( rPath.c_str() );
- }
- #endif