1
mirror of https://code.videolan.org/videolan/vlc synced 2024-10-03 01:31:53 +02:00
vlc/modules/video_output/directx/events.c

1005 lines
36 KiB
C

/*****************************************************************************
* events.c: Windows DirectX video output events handler
*****************************************************************************
* Copyright (C) 2001-2004 the VideoLAN team
* $Id$
*
* Authors: Gildas Bazin <gbazin@videolan.org>
*
* 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble: This file contains the functions related to the creation of
* a window and the handling of its messages (events).
*****************************************************************************/
#include <errno.h> /* ENOMEM */
#include <stdlib.h> /* free() */
#include <ctype.h> /* tolower() */
#include <string.h> /* strerror() */
#ifndef _WIN32_WINNT
# define _WIN32_WINNT 0x0500
#endif
#include <vlc/vlc.h>
#include <vlc/intf.h>
#include <vlc/input.h>
#include <vlc/vout.h>
#include <windows.h>
#include <windowsx.h>
#include <shellapi.h>
#ifdef MODULE_NAME_IS_vout_directx
#include <ddraw.h>
#endif
#ifdef MODULE_NAME_IS_direct3d
#include <d3d9.h>
#endif
#ifdef MODULE_NAME_IS_glwin32
#include <GL/gl.h>
#endif
#include "vlc_keys.h"
#include "vout.h"
/*****************************************************************************
* Local prototypes.
*****************************************************************************/
static int DirectXCreateWindow( vout_thread_t *p_vout );
static void DirectXCloseWindow ( vout_thread_t *p_vout );
static long FAR PASCAL DirectXEventProc( HWND, UINT, WPARAM, LPARAM );
static int Control( vout_thread_t *p_vout, int i_query, va_list args );
static void DirectXPopupMenu( event_thread_t *p_event, vlc_bool_t b_open )
{
playlist_t *p_playlist =
vlc_object_find( p_event, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
if( p_playlist != NULL )
{
vlc_value_t val;
val.b_bool = b_open;
var_Set( p_playlist, "intf-popupmenu", val );
vlc_object_release( p_playlist );
}
}
static int DirectXConvertKey( int i_key );
/*****************************************************************************
* DirectXEventThread: Create video window & handle its messages
*****************************************************************************
* This function creates a video window and then enters an infinite loop
* that handles the messages sent to that window.
* The main goal of this thread is to isolate the Win32 PeekMessage function
* because this one can block for a long time.
*****************************************************************************/
void E_(DirectXEventThread)( event_thread_t *p_event )
{
MSG msg;
POINT old_mouse_pos = {0,0}, mouse_pos;
vlc_value_t val;
int i_width, i_height, i_x, i_y;
HMODULE hkernel32;
/* Initialisation */
p_event->p_vout->pf_control = Control;
/* Create a window for the video */
/* Creating a window under Windows also initializes the thread's event
* message queue */
if( DirectXCreateWindow( p_event->p_vout ) )
{
msg_Err( p_event, "out of memory" );
p_event->b_dead = VLC_TRUE;
}
/* Signal the creation of the window */
vlc_thread_ready( p_event );
/* Set power management stuff */
if( (hkernel32 = GetModuleHandle( _T("KERNEL32") ) ) )
{
ULONG (WINAPI* OurSetThreadExecutionState)( ULONG );
OurSetThreadExecutionState = (ULONG (WINAPI*)( ULONG ))
GetProcAddress( hkernel32, _T("SetThreadExecutionState") );
if( OurSetThreadExecutionState )
/* Prevent monitor from powering off */
OurSetThreadExecutionState( ES_DISPLAY_REQUIRED | ES_CONTINUOUS );
else
msg_Dbg( p_event, "no support for SetThreadExecutionState()" );
}
/* Main loop */
/* GetMessage will sleep if there's no message in the queue */
while( !p_event->b_die && GetMessage( &msg, 0, 0, 0 ) )
{
/* Check if we are asked to exit */
if( p_event->b_die )
break;
switch( msg.message )
{
case WM_MOUSEMOVE:
vout_PlacePicture( p_event->p_vout,
p_event->p_vout->p_sys->i_window_width,
p_event->p_vout->p_sys->i_window_height,
&i_x, &i_y, &i_width, &i_height );
if( msg.hwnd == p_event->p_vout->p_sys->hvideownd )
{
/* Child window */
i_x = i_y = 0;
}
if( i_width && i_height )
{
val.i_int = ( GET_X_LPARAM(msg.lParam) - i_x ) *
p_event->p_vout->fmt_in.i_visible_width / i_width +
p_event->p_vout->fmt_in.i_x_offset;
var_Set( p_event->p_vout, "mouse-x", val );
val.i_int = ( GET_Y_LPARAM(msg.lParam) - i_y ) *
p_event->p_vout->fmt_in.i_visible_height / i_height +
p_event->p_vout->fmt_in.i_y_offset;
var_Set( p_event->p_vout, "mouse-y", val );
val.b_bool = VLC_TRUE;
var_Set( p_event->p_vout, "mouse-moved", val );
}
case WM_NCMOUSEMOVE:
GetCursorPos( &mouse_pos );
if( (abs(mouse_pos.x - old_mouse_pos.x) > 2 ||
(abs(mouse_pos.y - old_mouse_pos.y)) > 2 ) )
{
GetCursorPos( &old_mouse_pos );
p_event->p_vout->p_sys->i_lastmoved = mdate();
if( p_event->p_vout->p_sys->b_cursor_hidden )
{
p_event->p_vout->p_sys->b_cursor_hidden = 0;
ShowCursor( TRUE );
}
}
break;
case WM_VLC_HIDE_MOUSE:
if( p_event->p_vout->p_sys->b_cursor_hidden ) break;
p_event->p_vout->p_sys->b_cursor_hidden = VLC_TRUE;
GetCursorPos( &old_mouse_pos );
ShowCursor( FALSE );
break;
case WM_VLC_SHOW_MOUSE:
if( !p_event->p_vout->p_sys->b_cursor_hidden ) break;
p_event->p_vout->p_sys->b_cursor_hidden = VLC_FALSE;
GetCursorPos( &old_mouse_pos );
ShowCursor( TRUE );
break;
case WM_LBUTTONDOWN:
var_Get( p_event->p_vout, "mouse-button-down", &val );
val.i_int |= 1;
var_Set( p_event->p_vout, "mouse-button-down", val );
DirectXPopupMenu( p_event, VLC_FALSE );
break;
case WM_LBUTTONUP:
var_Get( p_event->p_vout, "mouse-button-down", &val );
val.i_int &= ~1;
var_Set( p_event->p_vout, "mouse-button-down", val );
val.b_bool = VLC_TRUE;
var_Set( p_event->p_vout, "mouse-clicked", val );
break;
case WM_LBUTTONDBLCLK:
p_event->p_vout->p_sys->i_changes |= VOUT_FULLSCREEN_CHANGE;
break;
case WM_MBUTTONDOWN:
var_Get( p_event->p_vout, "mouse-button-down", &val );
val.i_int |= 2;
var_Set( p_event->p_vout, "mouse-button-down", val );
DirectXPopupMenu( p_event, VLC_FALSE );
break;
case WM_MBUTTONUP:
var_Get( p_event->p_vout, "mouse-button-down", &val );
val.i_int &= ~2;
var_Set( p_event->p_vout, "mouse-button-down", val );
break;
case WM_RBUTTONDOWN:
var_Get( p_event->p_vout, "mouse-button-down", &val );
val.i_int |= 4;
var_Set( p_event->p_vout, "mouse-button-down", val );
DirectXPopupMenu( p_event, VLC_FALSE );
break;
case WM_RBUTTONUP:
var_Get( p_event->p_vout, "mouse-button-down", &val );
val.i_int &= ~4;
var_Set( p_event->p_vout, "mouse-button-down", val );
DirectXPopupMenu( p_event, VLC_TRUE );
break;
case WM_KEYDOWN:
case WM_SYSKEYDOWN:
/* The key events are first processed here and not translated
* into WM_CHAR events because we need to know the status of the
* modifier keys. */
val.i_int = DirectXConvertKey( msg.wParam );
if( !val.i_int )
{
/* This appears to be a "normal" (ascii) key */
val.i_int = tolower( MapVirtualKey( msg.wParam, 2 ) );
}
if( val.i_int )
{
if( GetKeyState(VK_CONTROL) & 0x8000 )
{
val.i_int |= KEY_MODIFIER_CTRL;
}
if( GetKeyState(VK_SHIFT) & 0x8000 )
{
val.i_int |= KEY_MODIFIER_SHIFT;
}
if( GetKeyState(VK_MENU) & 0x8000 )
{
val.i_int |= KEY_MODIFIER_ALT;
}
var_Set( p_event->p_libvlc, "key-pressed", val );
}
break;
case WM_MOUSEWHEEL:
if( GET_WHEEL_DELTA_WPARAM( msg.wParam ) > 0 )
{
val.i_int = KEY_MOUSEWHEELUP;
}
else
{
val.i_int = KEY_MOUSEWHEELDOWN;
}
if( val.i_int )
{
if( GetKeyState(VK_CONTROL) & 0x8000 )
{
val.i_int |= KEY_MODIFIER_CTRL;
}
if( GetKeyState(VK_SHIFT) & 0x8000 )
{
val.i_int |= KEY_MODIFIER_SHIFT;
}
if( GetKeyState(VK_MENU) & 0x8000 )
{
val.i_int |= KEY_MODIFIER_ALT;
}
var_Set( p_event->p_libvlc, "key-pressed", val );
}
break;
case WM_VLC_CHANGE_TEXT:
var_Get( p_event->p_vout, "video-title", &val );
if( !val.psz_string || !*val.psz_string ) /* Default video title */
{
if( val.psz_string ) free( val.psz_string );
#ifdef MODULE_NAME_IS_glwin32
val.psz_string = strdup( VOUT_TITLE " (OpenGL output)" );
#endif
#ifdef MODULE_NAME_IS_direct3d
val.psz_string = strdup( VOUT_TITLE " (Direct3D output)" );
#endif
#ifdef MODULE_NAME_IS_vout_directx
if( p_event->p_vout->p_sys->b_using_overlay ) val.psz_string =
strdup( VOUT_TITLE " (hardware YUV overlay DirectX output)" );
else if( p_event->p_vout->p_sys->b_hw_yuv ) val.psz_string =
strdup( VOUT_TITLE " (hardware YUV DirectX output)" );
else val.psz_string =
strdup( VOUT_TITLE " (software RGB DirectX output)" );
#endif
}
#ifdef UNICODE
{
wchar_t *psz_title = malloc( strlen(val.psz_string) * 2 + 2 );
mbstowcs( psz_title, val.psz_string, strlen(val.psz_string)*2);
psz_title[strlen(val.psz_string)] = 0;
free( val.psz_string ); val.psz_string = (char *)psz_title;
}
#endif
SetWindowText( p_event->p_vout->p_sys->hwnd,
(LPCTSTR)val.psz_string );
if( p_event->p_vout->p_sys->hfswnd )
SetWindowText( p_event->p_vout->p_sys->hfswnd,
(LPCTSTR)val.psz_string );
free( val.psz_string );
break;
default:
/* Messages we don't handle directly are dispatched to the
* window procedure */
TranslateMessage(&msg);
DispatchMessage(&msg);
break;
} /* End Switch */
} /* End Main loop */
/* Check for WM_QUIT if we created the window */
if( !p_event->p_vout->p_sys->hparent && msg.message == WM_QUIT )
{
msg_Warn( p_event, "WM_QUIT... should not happen!!" );
p_event->p_vout->p_sys->hwnd = NULL; /* Window already destroyed */
}
msg_Dbg( p_event, "DirectXEventThread terminating" );
/* clear the changes formerly signaled */
p_event->p_vout->p_sys->i_changes = 0;
DirectXCloseWindow( p_event->p_vout );
}
/* following functions are local */
/*****************************************************************************
* DirectXCreateWindow: create a window for the video.
*****************************************************************************
* Before creating a direct draw surface, we need to create a window in which
* the video will be displayed. This window will also allow us to capture the
* events.
*****************************************************************************/
static int DirectXCreateWindow( vout_thread_t *p_vout )
{
HINSTANCE hInstance;
HMENU hMenu;
RECT rect_window;
WNDCLASS wc; /* window class components */
HICON vlc_icon = NULL;
char vlc_path[MAX_PATH+1];
int i_style, i_stylex;
msg_Dbg( p_vout, "DirectXCreateWindow" );
/* Get this module's instance */
hInstance = GetModuleHandle(NULL);
/* If an external window was specified, we'll draw in it. */
p_vout->p_sys->hparent =
vout_RequestWindow( p_vout, &p_vout->p_sys->i_window_x,
&p_vout->p_sys->i_window_y,
&p_vout->p_sys->i_window_width,
&p_vout->p_sys->i_window_height );
/* We create the window ourself, there is no previous window proc. */
p_vout->p_sys->pf_wndproc = NULL;
/* Get the Icon from the main app */
vlc_icon = NULL;
#ifndef UNDER_CE
if( GetModuleFileName( NULL, vlc_path, MAX_PATH ) )
{
vlc_icon = ExtractIcon( hInstance, vlc_path, 0 );
}
#endif
/* Fill in the window class structure */
wc.style = CS_OWNDC|CS_DBLCLKS; /* style: dbl click */
wc.lpfnWndProc = (WNDPROC)DirectXEventProc; /* event handler */
wc.cbClsExtra = 0; /* no extra class data */
wc.cbWndExtra = 0; /* no extra window data */
wc.hInstance = hInstance; /* instance */
wc.hIcon = vlc_icon; /* load the vlc big icon */
wc.hCursor = LoadCursor(NULL, IDC_ARROW); /* default cursor */
wc.hbrBackground = GetStockObject(BLACK_BRUSH); /* background color */
wc.lpszMenuName = NULL; /* no menu */
wc.lpszClassName = _T("VLC DirectX"); /* use a special class */
/* Register the window class */
if( !RegisterClass(&wc) )
{
WNDCLASS wndclass;
if( vlc_icon ) DestroyIcon( vlc_icon );
/* Check why it failed. If it's because one already exists
* then fine, otherwise return with an error. */
if( !GetClassInfo( hInstance, _T("VLC DirectX"), &wndclass ) )
{
msg_Err( p_vout, "DirectXCreateWindow RegisterClass FAILED" );
return VLC_EGENERIC;
}
}
/* Register the video sub-window class */
wc.lpszClassName = _T("VLC DirectX video"); wc.hIcon = 0;
if( !RegisterClass(&wc) )
{
WNDCLASS wndclass;
/* Check why it failed. If it's because one already exists
* then fine, otherwise return with an error. */
if( !GetClassInfo( hInstance, _T("VLC DirectX video"), &wndclass ) )
{
msg_Err( p_vout, "DirectXCreateWindow RegisterClass FAILED" );
return VLC_EGENERIC;
}
}
/* When you create a window you give the dimensions you wish it to
* have. Unfortunatly these dimensions will include the borders and
* titlebar. We use the following function to find out the size of
* the window corresponding to the useable surface we want */
rect_window.top = 10;
rect_window.left = 10;
rect_window.right = rect_window.left + p_vout->p_sys->i_window_width;
rect_window.bottom = rect_window.top + p_vout->p_sys->i_window_height;
if( var_GetBool( p_vout, "video-deco" ) )
{
/* Open with window decoration */
AdjustWindowRect( &rect_window, WS_OVERLAPPEDWINDOW|WS_SIZEBOX, 0 );
i_style = WS_OVERLAPPEDWINDOW|WS_SIZEBOX|WS_VISIBLE|WS_CLIPCHILDREN;
i_stylex = 0;
}
else
{
/* No window decoration */
AdjustWindowRect( &rect_window, WS_POPUP, 0 );
i_style = WS_POPUP|WS_VISIBLE|WS_CLIPCHILDREN;
i_stylex = 0; // WS_EX_TOOLWINDOW; Is TOOLWINDOW really needed ?
// It messes up the fullscreen window.
}
if( p_vout->p_sys->hparent )
{
i_style = WS_VISIBLE|WS_CLIPCHILDREN|WS_CHILD;
i_stylex = 0;
}
p_vout->p_sys->i_window_style = i_style;
/* Create the window */
p_vout->p_sys->hwnd =
CreateWindowEx( WS_EX_NOPARENTNOTIFY | i_stylex,
_T("VLC DirectX"), /* name of window class */
_T(VOUT_TITLE) _T(" (DirectX Output)"), /* window title */
i_style, /* window style */
(p_vout->p_sys->i_window_x < 0) ? CW_USEDEFAULT :
(UINT)p_vout->p_sys->i_window_x, /* default X coordinate */
(p_vout->p_sys->i_window_y < 0) ? CW_USEDEFAULT :
(UINT)p_vout->p_sys->i_window_y, /* default Y coordinate */
rect_window.right - rect_window.left, /* window width */
rect_window.bottom - rect_window.top, /* window height */
p_vout->p_sys->hparent, /* parent window */
NULL, /* no menu in this window */
hInstance, /* handle of this program instance */
(LPVOID)p_vout ); /* send p_vout to WM_CREATE */
if( !p_vout->p_sys->hwnd )
{
msg_Warn( p_vout, "DirectXCreateWindow create window FAILED" );
return VLC_EGENERIC;
}
if( p_vout->p_sys->hparent )
{
LONG i_style;
/* We don't want the window owner to overwrite our client area */
i_style = GetWindowLong( p_vout->p_sys->hparent, GWL_STYLE );
if( !(i_style & WS_CLIPCHILDREN) )
/* Hmmm, apparently this is a blocking call... */
SetWindowLong( p_vout->p_sys->hparent, GWL_STYLE,
i_style | WS_CLIPCHILDREN );
/* Create our fullscreen window */
p_vout->p_sys->hfswnd =
CreateWindowEx( WS_EX_APPWINDOW, _T("VLC DirectX"),
_T(VOUT_TITLE) _T(" (DirectX Output)"),
WS_OVERLAPPEDWINDOW|WS_CLIPCHILDREN|WS_SIZEBOX,
CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT,
NULL, NULL, hInstance, NULL );
}
/* Append a "Always On Top" entry in the system menu */
hMenu = GetSystemMenu( p_vout->p_sys->hwnd, FALSE );
AppendMenu( hMenu, MF_SEPARATOR, 0, _T("") );
AppendMenu( hMenu, MF_STRING | MF_UNCHECKED,
IDM_TOGGLE_ON_TOP, _T("Always on &Top") );
/* Create video sub-window. This sub window will always exactly match
* the size of the video, which allows us to use crazy overlay colorkeys
* without having them shown outside of the video area. */
p_vout->p_sys->hvideownd =
CreateWindow( _T("VLC DirectX video"), _T(""), /* window class */
WS_CHILD | WS_VISIBLE, /* window style */
0, 0,
p_vout->render.i_width, /* default width */
p_vout->render.i_height, /* default height */
p_vout->p_sys->hwnd, /* parent window */
NULL, hInstance,
(LPVOID)p_vout ); /* send p_vout to WM_CREATE */
if( !p_vout->p_sys->hvideownd )
msg_Warn( p_vout, "can't create video sub-window" );
else
msg_Dbg( p_vout, "created video sub-window" );
/* Now display the window */
ShowWindow( p_vout->p_sys->hwnd, SW_SHOW );
return VLC_SUCCESS;
}
/*****************************************************************************
* DirectXCloseWindow: close the window created by DirectXCreateWindow
*****************************************************************************
* This function returns all resources allocated by DirectXCreateWindow.
*****************************************************************************/
static void DirectXCloseWindow( vout_thread_t *p_vout )
{
msg_Dbg( p_vout, "DirectXCloseWindow" );
DestroyWindow( p_vout->p_sys->hwnd );
if( p_vout->p_sys->hfswnd ) DestroyWindow( p_vout->p_sys->hfswnd );
if( p_vout->p_sys->hparent )
vout_ReleaseWindow( p_vout, (void *)p_vout->p_sys->hparent );
p_vout->p_sys->hwnd = NULL;
/* We don't unregister the Window Class because it could lead to race
* conditions and it will be done anyway by the system when the app will
* exit */
}
/*****************************************************************************
* DirectXUpdateRects: update clipping rectangles
*****************************************************************************
* This function is called when the window position or size are changed, and
* its job is to update the source and destination RECTs used to display the
* picture.
*****************************************************************************/
void E_(DirectXUpdateRects)( vout_thread_t *p_vout, vlc_bool_t b_force )
{
#define rect_src p_vout->p_sys->rect_src
#define rect_src_clipped p_vout->p_sys->rect_src_clipped
#define rect_dest p_vout->p_sys->rect_dest
#define rect_dest_clipped p_vout->p_sys->rect_dest_clipped
int i_width, i_height, i_x, i_y;
RECT rect;
POINT point;
/* Retrieve the window size */
GetClientRect( p_vout->p_sys->hwnd, &rect );
/* Retrieve the window position */
point.x = point.y = 0;
ClientToScreen( p_vout->p_sys->hwnd, &point );
/* If nothing changed, we can return */
if( !b_force
&& p_vout->p_sys->i_window_width == rect.right
&& p_vout->p_sys->i_window_height == rect.bottom
&& p_vout->p_sys->i_window_x == point.x
&& p_vout->p_sys->i_window_y == point.y )
{
return;
}
/* Update the window position and size */
p_vout->p_sys->i_window_x = point.x;
p_vout->p_sys->i_window_y = point.y;
p_vout->p_sys->i_window_width = rect.right;
p_vout->p_sys->i_window_height = rect.bottom;
vout_PlacePicture( p_vout, rect.right, rect.bottom,
&i_x, &i_y, &i_width, &i_height );
if( p_vout->p_sys->hvideownd )
SetWindowPos( p_vout->p_sys->hvideownd, HWND_TOP,
i_x, i_y, i_width, i_height, 0 );
/* Destination image position and dimensions */
rect_dest.left = point.x + i_x;
rect_dest.right = rect_dest.left + i_width;
rect_dest.top = point.y + i_y;
rect_dest.bottom = rect_dest.top + i_height;
#ifdef MODULE_NAME_IS_vout_directx
/* Apply overlay hardware constraints */
if( p_vout->p_sys->b_using_overlay )
{
if( p_vout->p_sys->i_align_dest_boundary )
rect_dest.left = ( rect_dest.left +
p_vout->p_sys->i_align_dest_boundary / 2 ) &
~p_vout->p_sys->i_align_dest_boundary;
if( p_vout->p_sys->i_align_dest_size )
rect_dest.right = (( rect_dest.right - rect_dest.left +
p_vout->p_sys->i_align_dest_size / 2 ) &
~p_vout->p_sys->i_align_dest_size) + rect_dest.left;
}
#endif
/* UpdateOverlay directdraw function doesn't automatically clip to the
* display size so we need to do it otherwise it will fail */
/* Clip the destination window */
if( !IntersectRect( &rect_dest_clipped, &rect_dest,
&p_vout->p_sys->rect_display ) )
{
SetRectEmpty( &rect_src_clipped );
return;
}
#if 0
msg_Dbg( p_vout, "DirectXUpdateRects image_dst_clipped coords:"
" %i,%i,%i,%i",
rect_dest_clipped.left, rect_dest_clipped.top,
rect_dest_clipped.right, rect_dest_clipped.bottom );
#endif
/* the 2 following lines are to fix a bug when clicking on the desktop */
if( (rect_dest_clipped.right - rect_dest_clipped.left)==0 ||
(rect_dest_clipped.bottom - rect_dest_clipped.top)==0 )
{
SetRectEmpty( &rect_src_clipped );
return;
}
/* src image dimensions */
rect_src.left = 0;
rect_src.top = 0;
rect_src.right = p_vout->render.i_width;
rect_src.bottom = p_vout->render.i_height;
/* Clip the source image */
rect_src_clipped.left = p_vout->fmt_out.i_x_offset +
(rect_dest_clipped.left - rect_dest.left) *
p_vout->fmt_out.i_visible_width / (rect_dest.right - rect_dest.left);
rect_src_clipped.right = p_vout->fmt_out.i_x_offset +
p_vout->fmt_out.i_visible_width -
(rect_dest.right - rect_dest_clipped.right) *
p_vout->fmt_out.i_visible_width / (rect_dest.right - rect_dest.left);
rect_src_clipped.top = p_vout->fmt_out.i_y_offset +
(rect_dest_clipped.top - rect_dest.top) *
p_vout->fmt_out.i_visible_height / (rect_dest.bottom - rect_dest.top);
rect_src_clipped.bottom = p_vout->fmt_out.i_y_offset +
p_vout->fmt_out.i_visible_height -
(rect_dest.bottom - rect_dest_clipped.bottom) *
p_vout->fmt_out.i_visible_height / (rect_dest.bottom - rect_dest.top);
#ifdef MODULE_NAME_IS_vout_directx
/* Apply overlay hardware constraints */
if( p_vout->p_sys->b_using_overlay )
{
if( p_vout->p_sys->i_align_src_boundary )
rect_src_clipped.left = ( rect_src_clipped.left +
p_vout->p_sys->i_align_src_boundary / 2 ) &
~p_vout->p_sys->i_align_src_boundary;
if( p_vout->p_sys->i_align_src_size )
rect_src_clipped.right = (( rect_src_clipped.right -
rect_src_clipped.left +
p_vout->p_sys->i_align_src_size / 2 ) &
~p_vout->p_sys->i_align_src_size) + rect_src_clipped.left;
}
#endif
#if 0
msg_Dbg( p_vout, "DirectXUpdateRects image_src_clipped"
" coords: %i,%i,%i,%i",
rect_src_clipped.left, rect_src_clipped.top,
rect_src_clipped.right, rect_src_clipped.bottom );
#endif
/* The destination coordinates need to be relative to the current
* directdraw primary surface (display) */
rect_dest_clipped.left -= p_vout->p_sys->rect_display.left;
rect_dest_clipped.right -= p_vout->p_sys->rect_display.left;
rect_dest_clipped.top -= p_vout->p_sys->rect_display.top;
rect_dest_clipped.bottom -= p_vout->p_sys->rect_display.top;
#ifdef MODULE_NAME_IS_vout_directx
if( p_vout->p_sys->b_using_overlay )
E_(DirectXUpdateOverlay)( p_vout );
#endif
/* Signal the change in size/position */
p_vout->p_sys->i_changes |= DX_POSITION_CHANGE;
#undef rect_src
#undef rect_src_clipped
#undef rect_dest
#undef rect_dest_clipped
}
/*****************************************************************************
* DirectXEventProc: This is the window event processing function.
*****************************************************************************
* On Windows, when you create a window you have to attach an event processing
* function to it. The aim of this function is to manage "Queued Messages" and
* "Nonqueued Messages".
* Queued Messages are those picked up and retransmitted by vout_Manage
* (using the GetMessage and DispatchMessage functions).
* Nonqueued Messages are those that Windows will send directly to this
* procedure (like WM_DESTROY, WM_WINDOWPOSCHANGED...)
*****************************************************************************/
static long FAR PASCAL DirectXEventProc( HWND hwnd, UINT message,
WPARAM wParam, LPARAM lParam )
{
vout_thread_t *p_vout;
if( message == WM_CREATE )
{
/* Store p_vout for future use */
p_vout = (vout_thread_t *)((CREATESTRUCT *)lParam)->lpCreateParams;
SetWindowLongPtr( hwnd, GWLP_USERDATA, (LONG_PTR)p_vout );
}
else
{
p_vout = (vout_thread_t *)GetWindowLongPtr( hwnd, GWLP_USERDATA );
}
/* Catch the screensaver and the monitor turn-off */
if( message == WM_SYSCOMMAND &&
( (wParam & 0xFFF0) == SC_SCREENSAVE || (wParam & 0xFFF0) == SC_MONITORPOWER ) )
{
//if( p_vout ) msg_Dbg( p_vout, "WinProc WM_SYSCOMMAND screensaver" );
return 0; /* this stops them from happening */
}
if( !p_vout )
{
/* Hmmm mozilla does manage somehow to save the pointer to our
* windowproc and still calls it after the vout has been closed. */
return DefWindowProc(hwnd, message, wParam, lParam);
}
if( hwnd == p_vout->p_sys->hvideownd )
return DefWindowProc(hwnd, message, wParam, lParam);
switch( message )
{
case WM_WINDOWPOSCHANGED:
E_(DirectXUpdateRects)( p_vout, VLC_TRUE );
return 0;
/* the user wants to close the window */
case WM_CLOSE:
{
playlist_t * p_playlist =
(playlist_t *)vlc_object_find( p_vout, VLC_OBJECT_PLAYLIST,
FIND_ANYWHERE );
if( p_playlist == NULL )
{
return 0;
}
playlist_Stop( p_playlist );
vlc_object_release( p_playlist );
return 0;
}
/* the window has been closed so shut down everything now */
case WM_DESTROY:
msg_Dbg( p_vout, "WinProc WM_DESTROY" );
/* just destroy the window */
PostQuitMessage( 0 );
return 0;
case WM_SYSCOMMAND:
switch (wParam)
{
case IDM_TOGGLE_ON_TOP: /* toggle the "on top" status */
{
vlc_value_t val;
msg_Dbg( p_vout, "WinProc WM_SYSCOMMAND: IDM_TOGGLE_ON_TOP");
/* Change the current value */
var_Get( p_vout, "video-on-top", &val );
val.b_bool = !val.b_bool;
var_Set( p_vout, "video-on-top", val );
return 0;
}
}
break;
case WM_PAINT:
case WM_NCPAINT:
case WM_ERASEBKGND:
/* We do not want to relay these messages to the parent window
* because we rely on the background color for the overlay. */
return DefWindowProc(hwnd, message, wParam, lParam);
break;
default:
//msg_Dbg( p_vout, "WinProc WM Default %i", message );
break;
}
/* Let windows handle the message */
return DefWindowProc(hwnd, message, wParam, lParam);
}
static struct
{
int i_dxkey;
int i_vlckey;
} dxkeys_to_vlckeys[] =
{
{ VK_F1, KEY_F1 }, { VK_F2, KEY_F2 }, { VK_F3, KEY_F3 }, { VK_F4, KEY_F4 },
{ VK_F5, KEY_F5 }, { VK_F6, KEY_F6 }, { VK_F7, KEY_F7 }, { VK_F8, KEY_F8 },
{ VK_F9, KEY_F9 }, { VK_F10, KEY_F10 }, { VK_F11, KEY_F11 },
{ VK_F12, KEY_F12 },
{ VK_RETURN, KEY_ENTER },
{ VK_SPACE, KEY_SPACE },
{ VK_ESCAPE, KEY_ESC },
{ VK_LEFT, KEY_LEFT },
{ VK_RIGHT, KEY_RIGHT },
{ VK_UP, KEY_UP },
{ VK_DOWN, KEY_DOWN },
{ VK_HOME, KEY_HOME },
{ VK_END, KEY_END },
{ VK_PRIOR, KEY_PAGEUP },
{ VK_NEXT, KEY_PAGEDOWN },
{ VK_INSERT, KEY_INSERT },
{ VK_DELETE, KEY_DELETE },
{ VK_CONTROL, 0 },
{ VK_SHIFT, 0 },
{ VK_MENU, 0 },
{ VK_BROWSER_BACK, KEY_BROWSER_BACK },
{ VK_BROWSER_FORWARD, KEY_BROWSER_FORWARD },
{ VK_BROWSER_REFRESH, KEY_BROWSER_REFRESH },
{ VK_BROWSER_STOP, KEY_BROWSER_STOP },
{ VK_BROWSER_SEARCH, KEY_BROWSER_SEARCH },
{ VK_BROWSER_FAVORITES, KEY_BROWSER_FAVORITES },
{ VK_BROWSER_HOME, KEY_BROWSER_HOME },
{ VK_VOLUME_MUTE, KEY_VOLUME_MUTE },
{ VK_VOLUME_DOWN, KEY_VOLUME_DOWN },
{ VK_VOLUME_UP, KEY_VOLUME_UP },
{ VK_MEDIA_NEXT_TRACK, KEY_MEDIA_NEXT_TRACK },
{ VK_MEDIA_PREV_TRACK, KEY_MEDIA_PREV_TRACK },
{ VK_MEDIA_STOP, KEY_MEDIA_STOP },
{ VK_MEDIA_PLAY_PAUSE, KEY_MEDIA_PLAY_PAUSE },
{ 0, 0 }
};
static int DirectXConvertKey( int i_key )
{
int i;
for( i = 0; dxkeys_to_vlckeys[i].i_dxkey != 0; i++ )
{
if( dxkeys_to_vlckeys[i].i_dxkey == i_key )
{
return dxkeys_to_vlckeys[i].i_vlckey;
}
}
return 0;
}
/*****************************************************************************
* Control: control facility for the vout
*****************************************************************************/
static int Control( vout_thread_t *p_vout, int i_query, va_list args )
{
unsigned int *pi_width, *pi_height;
RECT rect_window;
POINT point;
switch( i_query )
{
case VOUT_GET_SIZE:
if( p_vout->p_sys->hparent )
return vout_ControlWindow( p_vout,
(void *)p_vout->p_sys->hparent, i_query, args );
pi_width = va_arg( args, unsigned int * );
pi_height = va_arg( args, unsigned int * );
GetClientRect( p_vout->p_sys->hwnd, &rect_window );
*pi_width = rect_window.right - rect_window.left;
*pi_height = rect_window.bottom - rect_window.top;
return VLC_SUCCESS;
case VOUT_SET_SIZE:
if( p_vout->p_sys->hparent )
return vout_ControlWindow( p_vout,
(void *)p_vout->p_sys->hparent, i_query, args );
/* Update dimensions */
rect_window.top = rect_window.left = 0;
rect_window.right = va_arg( args, unsigned int );
rect_window.bottom = va_arg( args, unsigned int );
if( !rect_window.right ) rect_window.right = p_vout->i_window_width;
if( !rect_window.bottom ) rect_window.bottom = p_vout->i_window_height;
AdjustWindowRect( &rect_window, p_vout->p_sys->i_window_style, 0 );
SetWindowPos( p_vout->p_sys->hwnd, 0, 0, 0,
rect_window.right - rect_window.left,
rect_window.bottom - rect_window.top, SWP_NOMOVE );
return VLC_SUCCESS;
case VOUT_CLOSE:
ShowWindow( p_vout->p_sys->hwnd, SW_HIDE );
case VOUT_REPARENT:
/* Change window style, borders and title bar */
vlc_mutex_lock( &p_vout->p_sys->lock );
p_vout->p_sys->hparent = 0;
vlc_mutex_unlock( &p_vout->p_sys->lock );
/* Retrieve the window position */
point.x = point.y = 0;
ClientToScreen( p_vout->p_sys->hwnd, &point );
SetParent( p_vout->p_sys->hwnd, 0 );
p_vout->p_sys->i_window_style =
WS_CLIPCHILDREN | WS_OVERLAPPEDWINDOW | WS_SIZEBOX;
SetWindowLong( p_vout->p_sys->hwnd, GWL_STYLE,
p_vout->p_sys->i_window_style |
(i_query == VOUT_CLOSE ? 0 : WS_VISIBLE) );
SetWindowLong( p_vout->p_sys->hwnd, GWL_EXSTYLE, WS_EX_APPWINDOW );
SetWindowPos( p_vout->p_sys->hwnd, 0, point.x, point.y, 0, 0,
SWP_NOSIZE|SWP_NOZORDER|SWP_FRAMECHANGED );
return vout_vaControlDefault( p_vout, i_query, args );
case VOUT_SET_STAY_ON_TOP:
if( p_vout->p_sys->hparent )
return vout_ControlWindow( p_vout,
(void *)p_vout->p_sys->hparent, i_query, args );
p_vout->p_sys->b_on_top_change = VLC_TRUE;
return VLC_SUCCESS;
default:
return vout_vaControlDefault( p_vout, i_query, args );
}
}