win32_window.cpp
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上传日期:2009-03-27
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- /*****************************************************************************
- * win32_window.cpp
- *****************************************************************************
- * Copyright (C) 2003 VideoLAN
- * $Id: win32_window.cpp 8966 2004-10-10 10:08:44Z ipkiss $
- *
- * 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 "../src/generic_window.hpp"
- #include "../src/vlcproc.hpp"
- #include "win32_window.hpp"
- #include "win32_dragdrop.hpp"
- #include "win32_factory.hpp"
- /// Fading API
- #ifndef LWA_COLORKEY
- # define LWA_COLORKEY 0x00000001
- # define LWA_ALPHA 0x00000002
- #endif
- Win32Window::Win32Window( intf_thread_t *pIntf, GenericWindow &rWindow,
- HINSTANCE hInst, HWND hParentWindow,
- bool dragDrop, bool playOnDrop,
- Win32Window *pParentWindow ):
- OSWindow( pIntf ), m_dragDrop( dragDrop ), m_isLayered( false )
- {
- // Create the window
- if( pParentWindow )
- {
- // Child window (for vout)
- HWND hParent = pParentWindow->getHandle();
- m_hWnd = CreateWindowEx( WS_EX_TOOLWINDOW, "SkinWindowClass",
- "default name", WS_CHILD, CW_USEDEFAULT, CW_USEDEFAULT,
- CW_USEDEFAULT, CW_USEDEFAULT, hParent, 0, hInst, NULL );
- }
- else
- {
- // Normal window
- m_hWnd = CreateWindowEx( WS_EX_TOOLWINDOW, "SkinWindowClass",
- "default name", WS_POPUP, CW_USEDEFAULT, CW_USEDEFAULT,
- CW_USEDEFAULT, CW_USEDEFAULT, hParentWindow, 0, hInst, NULL );
- }
- if( !m_hWnd )
- {
- msg_Err( getIntf(), "CreateWindow failed" );
- return;
- }
- // Store a pointer to the GenericWindow in a map
- Win32Factory *pFactory = (Win32Factory*)Win32Factory::instance( getIntf() );
- pFactory->m_windowMap[m_hWnd] = &rWindow;
- // Drag & drop
- if( m_dragDrop )
- {
- m_pDropTarget = (LPDROPTARGET) new Win32DragDrop( getIntf(),
- playOnDrop );
- // Register the window as a drop target
- RegisterDragDrop( m_hWnd, m_pDropTarget );
- }
- // XXX Set this window as the vout
- if( pParentWindow )
- {
- VlcProc::instance( getIntf() )->setVoutWindow( (void*)m_hWnd );
- }
- }
- Win32Window::~Win32Window()
- {
- Win32Factory *pFactory = (Win32Factory*)Win32Factory::instance( getIntf() );
- pFactory->m_windowMap[m_hWnd] = NULL;
- if( m_hWnd )
- {
- if( m_dragDrop )
- {
- // Remove the window from the list of drop targets
- RevokeDragDrop( m_hWnd );
- m_pDropTarget->Release();
- }
- DestroyWindow( m_hWnd );
- }
- }
- void Win32Window::show( int left, int top ) const
- {
- ShowWindow( m_hWnd, SW_SHOW );
- }
- void Win32Window::hide() const
- {
- ShowWindow( m_hWnd, SW_HIDE );
- }
- void Win32Window::moveResize( int left, int top, int width, int height ) const
- {
- MoveWindow( m_hWnd, left, top, width, height, true );
- }
- void Win32Window::raise() const
- {
- // SetWindowPos( m_hWnd, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE );
- SetForegroundWindow( m_hWnd );
- }
- void Win32Window::setOpacity( uint8_t value ) const
- {
- Win32Factory *pFactory = (Win32Factory*)Win32Factory::instance( getIntf() );
- if( value == 255 )
- {
- // If the window is opaque, we remove the WS_EX_LAYERED attribute
- // which slows down resizing for nothing
- if( m_isLayered )
- {
- SetWindowLongPtr( m_hWnd, GWL_EXSTYLE,
- GetWindowLong( m_hWnd, GWL_EXSTYLE ) & ~WS_EX_LAYERED );
- // Redraw the window, otherwise we may end up with a grey rectangle
- // for some strange reason
- RedrawWindow(m_hWnd, NULL, NULL,
- RDW_ERASE | RDW_INVALIDATE | RDW_FRAME | RDW_ALLCHILDREN);
- m_isLayered = false;
- }
- }
- else
- {
- if( pFactory->SetLayeredWindowAttributes )
- {
- if( ! m_isLayered )
- {
- // (Re)Add the WS_EX_LAYERED attribute.
- // Resizing will be very slow, now :)
- SetWindowLongPtr( m_hWnd, GWL_EXSTYLE,
- GetWindowLong( m_hWnd, GWL_EXSTYLE ) | WS_EX_LAYERED );
- // Redraw the window, otherwise we may end up with a grey
- // rectangle for some strange reason
- RedrawWindow(m_hWnd, NULL, NULL,
- RDW_ERASE | RDW_INVALIDATE | RDW_FRAME | RDW_ALLCHILDREN);
- m_isLayered = true;
- }
- // Change the opacity
- pFactory->SetLayeredWindowAttributes(
- m_hWnd, 0, value, LWA_ALPHA|LWA_COLORKEY );
- }
- }
- }
- void Win32Window::toggleOnTop( bool onTop ) const
- {
- if( onTop )
- {
- // Set the window on top
- SetWindowPos( m_hWnd, HWND_TOPMOST, 0, 0, 0, 0,
- SWP_NOSIZE | SWP_NOMOVE );
- }
- else
- {
- // Set the window not on top
- SetWindowPos( m_hWnd, HWND_NOTOPMOST, 0, 0, 0, 0,
- SWP_NOSIZE | SWP_NOMOVE );
- }
- }
- #endif