git.sesse.net Git - vlc/blob - modules/gui/skins/src/skin_main.cpp

   1 /*****************************************************************************
   2  * skin-main.cpp: skins plugin for VLC
   3  *****************************************************************************
   4  * Copyright (C) 2003 VideoLAN
   5  * $Id: skin_main.cpp,v 1.47 2003/07/20 10:38:49 gbazin Exp $
   6  *
   7  * Authors: Olivier Teulière <ipkiss@via.ecp.fr>
   8  *          Emmanuel Puig    <karibu@via.ecp.fr>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111,
  23  * USA.
  24  *****************************************************************************/
  25
  26 //--- VLC -------------------------------------------------------------------
  27 #include <vlc/vlc.h>
  28 #include <vlc/intf.h>
  29 #include <vlc/aout.h>
  30
  31 //--- SKIN ------------------------------------------------------------------
  32 #include "../os_api.h"
  33 #include "event.h"
  34 #include "banks.h"
  35 #include "window.h"
  36 #include "theme.h"
  37 #include "../os_theme.h"
  38 #include "themeloader.h"
  39 #include "vlcproc.h"
  40 #include "skin_common.h"
  41 #include "dialogs.h"
  42
  43 #ifdef X11_SKINS
  44 #include <X11/Xlib.h>
  45 #include <Imlib2.h>
  46 #endif
  47
  48 //---------------------------------------------------------------------------
  49 // Interface thread
  50 // It is a global variable because we have C code for the parser, and we
  51 // need to access C++ objects from there
  52 //---------------------------------------------------------------------------
  53 intf_thread_t *g_pIntf;
  54
  55 //---------------------------------------------------------------------------
  56 // Exported interface functions.
  57 //---------------------------------------------------------------------------
  58 #ifdef WIN32
  59 extern "C" __declspec( dllexport )
  60     int __VLC_SYMBOL( vlc_entry ) ( module_t *p_module );
  61 #endif
  62
  63 //---------------------------------------------------------------------------
  64 // Local prototypes.
  65 //---------------------------------------------------------------------------
  66 static int  Open   ( vlc_object_t * );
  67 static void Close  ( vlc_object_t * );
  68 static void Run    ( intf_thread_t * );
  69
  70 int  SkinManage( intf_thread_t *p_intf );
  71 void OSRun( intf_thread_t *p_intf );
  72
  73 //---------------------------------------------------------------------------
  74 // Open: initialize interface
  75 //---------------------------------------------------------------------------
  76 static int Open ( vlc_object_t *p_this )
  77 {
  78     intf_thread_t *p_intf = (intf_thread_t *)p_this;
  79     g_pIntf = p_intf;
  80
  81     // Allocate instance and initialize some members
  82     p_intf->p_sys = (intf_sys_t *) malloc( sizeof( intf_sys_t ) );
  83     if( p_intf->p_sys == NULL )
  84     {
  85         msg_Err( p_intf, "out of memory" );
  86         return( 1 );
  87     };
  88
  89     p_intf->pf_run = Run;
  90
  91     // Suscribe to messages bank
  92     p_intf->p_sys->p_sub = msg_Subscribe( p_intf );
  93
  94     // Set no new theme when opening file
  95     p_intf->p_sys->p_new_theme_file = NULL;
  96
  97     // Initialize info on playlist
  98     p_intf->p_sys->i_index        = -1;
  99     p_intf->p_sys->i_size         = 0;
 100
 101     p_intf->p_sys->i_close_status = VLC_NOTHING;
 102
 103     p_intf->p_sys->p_input = NULL;
 104     p_intf->p_sys->p_playlist = (playlist_t *)vlc_object_find( p_intf,
 105         VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
 106
 107 #if defined X11_SKINS
 108     // Initialize X11
 109     Display *display = XOpenDisplay( NULL );
 110     p_intf->p_sys->display = display;
 111     vlc_mutex_init( p_intf, &p_intf->p_sys->xlock );
 112     // Fake window to receive broadcast events
 113     Window root = DefaultRootWindow( display );
 114     p_intf->p_sys->mainWin = XCreateSimpleWindow( display, root, 0, 0,
 115                                                   1, 1, 0, 0, 0 );
 116     XStoreName( display, p_intf->p_sys->mainWin, "VLC Media Player" );
 117
 118     // Load the vlc icon
 119     int screen = DefaultScreen( display );
 120     Screen *screenptr = DefaultScreenOfDisplay( display );
 121     Visual *visual = DefaultVisualOfScreen( screenptr );
 122     imlib_context_set_display( display );
 123     imlib_context_set_visual( visual );
 124     imlib_context_set_drawable( root );
 125     imlib_context_set_colormap( DefaultColormap( display, screen ) );
 126     imlib_context_set_dither( 1 );
 127     imlib_context_set_blend( 1 );
 128     Imlib_Image img = imlib_load_image_immediately( DATA_PATH"/vlc32x32.png" );
 129     if( img == NULL )
 130     {
 131         // for developers ;)
 132         img = imlib_load_image_immediately( "./share/vlc32x32.png" );
 133     }
 134     if( img == NULL )
 135     {
 136         msg_Err( p_intf, "loading vlc icon failed" );
 137         p_intf->p_sys->iconPixmap = None;
 138         p_intf->p_sys->iconMask = None;
 139     }
 140     else
 141     {
 142         imlib_context_set_image( img );
 143         imlib_render_pixmaps_for_whole_image( &p_intf->p_sys->iconPixmap,
 144                                               &p_intf->p_sys->iconMask );
 145         imlib_free_image();
 146     }
 147
 148
 149 #elif defined WIN32
 150     // Interface thread id used to post broadcast messages
 151     p_intf->p_sys->dwThreadId = GetCurrentThreadId();
 152
 153     // We dynamically load msimg32.dll to get a pointer to TransparentBlt()
 154     p_intf->p_sys->h_msimg32_dll = LoadLibrary("msimg32.dll");
 155     if( !p_intf->p_sys->h_msimg32_dll ||
 156         !( p_intf->p_sys->TransparentBlt =
 157            (BOOL (WINAPI*)(HDC,int,int,int,int,HDC,
 158                            int,int,int,int,unsigned int))
 159            GetProcAddress( p_intf->p_sys->h_msimg32_dll, "TransparentBlt" ) ) )
 160     {
 161         p_intf->p_sys->TransparentBlt = NULL;
 162         msg_Dbg( p_intf, "Couldn't find TransparentBlt(), "
 163                  "falling back to BitBlt()" );
 164     }
 165
 166     // idem for user32.dll and SetLayeredWindowAttributes()
 167     p_intf->p_sys->h_user32_dll = LoadLibrary("user32.dll");
 168     if( !p_intf->p_sys->h_user32_dll ||
 169         !( p_intf->p_sys->SetLayeredWindowAttributes =
 170            (BOOL (WINAPI *)(HWND,COLORREF,BYTE,DWORD))
 171            GetProcAddress( p_intf->p_sys->h_user32_dll,
 172                            "SetLayeredWindowAttributes" ) ) )
 173     {
 174         p_intf->p_sys->SetLayeredWindowAttributes = NULL;
 175         msg_Dbg( p_intf, "Couldn't find SetLayeredWindowAttributes()" );
 176     }
 177
 178 #endif
 179
 180     p_intf->p_sys->p_theme = (Theme *)new OSTheme( p_intf );
 181
 182     return( 0 );
 183 }
 184
 185 //---------------------------------------------------------------------------
 186 // Close: destroy interface
 187 //---------------------------------------------------------------------------
 188 static void Close ( vlc_object_t *p_this )
 189 {
 190     intf_thread_t *p_intf = (intf_thread_t *)p_this;
 191
 192     if( p_intf->p_sys->p_input )
 193     {
 194         vlc_object_release( p_intf->p_sys->p_input );
 195     }
 196
 197     if( p_intf->p_sys->p_playlist )
 198     {
 199         vlc_object_release( p_intf->p_sys->p_playlist );
 200     }
 201
 202     // Delete theme, it's important to do it correctly
 203     delete (OSTheme *)p_intf->p_sys->p_theme;
 204
 205 #if defined X11_SKINS
 206     XDestroyWindow( p_intf->p_sys->display, p_intf->p_sys->mainWin );
 207     XCloseDisplay( p_intf->p_sys->display );
 208 #endif
 209
 210     // Unsuscribe to messages bank
 211     msg_Unsubscribe( p_intf, p_intf->p_sys->p_sub );
 212
 213 #ifdef WIN32
 214     // Unload msimg32.dll and user32.dll
 215     if( p_intf->p_sys->h_msimg32_dll )
 216         FreeLibrary( p_intf->p_sys->h_msimg32_dll );
 217     if( p_intf->p_sys->h_user32_dll )
 218         FreeLibrary( p_intf->p_sys->h_user32_dll );
 219 #elif defined X11_SKINS
 220     vlc_mutex_destroy( &p_intf->p_sys->xlock );
 221 #endif
 222
 223     // Destroy structure
 224     free( p_intf->p_sys );
 225 }
 226
 227
 228 //---------------------------------------------------------------------------
 229 // Run: main loop
 230 //---------------------------------------------------------------------------
 231 static void Run( intf_thread_t *p_intf )
 232 {
 233
 234     int a = OSAPI_GetTime();
 235
 236     // Initialize the dialog boxes
 237     p_intf->p_sys->p_dialogs = new Dialogs( p_intf );
 238     if( !p_intf->p_sys->p_dialogs ) return;
 239
 240     // Load a theme
 241     char *skin_last = config_GetPsz( p_intf, "skin_last" );
 242     ThemeLoader *Loader = new ThemeLoader( p_intf );
 243
 244     if( skin_last == NULL || ! Loader->Load( skin_last ) )
 245     {
 246         // Too bad, it failed. Let's try with the default theme
 247 //        if( ! Loader->Load( DEFAULT_SKIN_FILE ) )
 248 #ifdef WIN32
 249         string default_dir = (string)p_intf->p_libvlc->psz_vlcpath +
 250                              DIRECTORY_SEPARATOR + "skins" +
 251                              DIRECTORY_SEPARATOR + "default" +
 252                              DIRECTORY_SEPARATOR + "theme.xml";
 253         if( ! Loader->Load( default_dir ) )
 254         {
 255             // Last chance: the user can  select a new theme file
 256 #else
 257         string user_skin = (string)p_intf->p_vlc->psz_homedir +
 258                               DIRECTORY_SEPARATOR + CONFIG_DIR +
 259                               DIRECTORY_SEPARATOR + "skins" +
 260                               DIRECTORY_SEPARATOR + "default" +
 261                               DIRECTORY_SEPARATOR + "theme.xml";
 262
 263         string default_skin = (string)DATA_PATH +
 264                               DIRECTORY_SEPARATOR + "skins" +
 265                               DIRECTORY_SEPARATOR + "default" +
 266                               DIRECTORY_SEPARATOR + "theme.xml";
 267         if( !Loader->Load( user_skin ) && !Loader->Load( default_skin ) )
 268         {
 269 #endif
 270             p_intf->p_sys->p_dialogs->ShowOpenSkin( 1 /* block */ );
 271
 272             // try to load selected file
 273             if( !p_intf->p_sys->p_new_theme_file ||
 274                 !Loader->Load( (string)p_intf->p_sys->p_new_theme_file ) )
 275             {
 276                 // He, he, what the hell is he doing ?
 277                 delete Loader;
 278                 delete p_intf->p_sys->p_dialogs;
 279                 if( skin_last ) free( skin_last );
 280                 return;
 281             }
 282         }
 283     }
 284
 285     // Show the theme
 286     p_intf->p_sys->p_theme->InitTheme();
 287     p_intf->p_sys->p_theme->ShowTheme();
 288
 289     if( skin_last ) free( skin_last );
 290     delete Loader;
 291
 292     msg_Dbg( p_intf, "Load theme time : %i ms", OSAPI_GetTime() - a );
 293
 294     OSAPI_PostMessage( NULL, VLC_INTF_REFRESH, 0, (int)true );
 295
 296     OSRun( p_intf );
 297
 298     // clean up the dialog boxes
 299     delete p_intf->p_sys->p_dialogs;
 300 }
 301
 302 //---------------------------------------------------------------------------
 303 // Module descriptor
 304 //---------------------------------------------------------------------------
 305 #define DEFAULT_SKIN        N_("Last skin actually used")
 306 #define DEFAULT_SKIN_LONG   N_("Last skin actually used")
 307 #define SKIN_CONFIG         N_("Config of last used skin")
 308 #define SKIN_CONFIG_LONG    N_("Config of last used skin")
 309 #define SKIN_TRAY           N_("Show application in system tray")
 310 #define SKIN_TRAY_LONG      N_("Show application in system tray")
 311 #define SKIN_TASKBAR        N_("Show application in taskbar")
 312 #define SKIN_TASKBAR_LONG   N_("Show application in taskbar")
 313
 314 vlc_module_begin();
 315     add_string( "skin_last", "", NULL, DEFAULT_SKIN, DEFAULT_SKIN_LONG,
 316                 VLC_TRUE );
 317     add_string( "skin_config", "", NULL, SKIN_CONFIG, SKIN_CONFIG_LONG,
 318                 VLC_TRUE );
 319     add_bool( "show_in_tray", VLC_FALSE, NULL, SKIN_TRAY, SKIN_TRAY_LONG,
 320               VLC_FALSE );
 321     add_bool( "show_in_taskbar", VLC_TRUE, NULL, SKIN_TASKBAR,
 322               SKIN_TASKBAR_LONG, VLC_FALSE );
 323     set_description( _("Skinnable Interface") );
 324     set_capability( "interface", 30 );
 325     set_callbacks( Open, Close );
 326     set_program( "svlc" );
 327 vlc_module_end();
 328
 329
 330 //---------------------------------------------------------------------------
 331 // Refresh procedure
 332 //---------------------------------------------------------------------------
 333 int SkinManage( intf_thread_t *p_intf )
 334 {
 335     vlc_mutex_lock( &p_intf->change_lock );
 336
 337     // Update the input
 338     if( p_intf->p_sys->p_input == NULL )
 339     {
 340         p_intf->p_sys->p_input = (input_thread_t *)
 341                     vlc_object_find( p_intf, VLC_OBJECT_INPUT, FIND_ANYWHERE );
 342     }
 343     else if( p_intf->p_sys->p_input->b_dead )
 344     {
 345         vlc_object_release( p_intf->p_sys->p_input );
 346         p_intf->p_sys->p_input = NULL;
 347     }
 348
 349     //-------------------------------------------------------------------------
 350     if( p_intf->p_sys->p_input != NULL && !p_intf->p_sys->p_input->b_die )
 351     {
 352         input_thread_t  * p_input = p_intf->p_sys->p_input;
 353
 354         vlc_mutex_lock( &p_input->stream.stream_lock );
 355
 356         // Refresh sound volume
 357         audio_volume_t volume;
 358
 359         // Get sound volume from VLC
 360         aout_VolumeGet( p_intf, &volume);
 361
 362         // Update sliders
 363         OSAPI_PostMessage( NULL, CTRL_SET_SLIDER,
 364             (unsigned int)
 365             p_intf->p_sys->p_theme->EvtBank->Get( "volume_refresh" ),
 366             (long)( volume * SLIDER_RANGE / AOUT_VOLUME_MAX ) );
 367
 368         // Refresh slider
 369         // if( p_input->stream.b_seekable && p_intf->p_sys->b_playing )
 370         if( p_input->stream.b_seekable )
 371         {
 372 #define p_area p_input->stream.p_selected_area
 373
 374             // Set value of sliders
 375             long Value = SLIDER_RANGE *
 376                 p_input->stream.p_selected_area->i_tell /
 377                 p_input->stream.p_selected_area->i_size;
 378
 379             // Update sliders
 380             OSAPI_PostMessage( NULL, CTRL_SET_SLIDER, (unsigned int)
 381                 p_intf->p_sys->p_theme->EvtBank->Get( "time" ), (long)Value );
 382
 383             // Text char * for updating text controls
 384             char *text = new char[OFFSETTOTIME_MAX_SIZE];
 385
 386             // Create end time text
 387             input_OffsetToTime( p_intf->p_sys->p_input, &text[1],
 388                                 p_area->i_size - p_area->i_tell );
 389             text[0] = '-';
 390             p_intf->p_sys->p_theme->EvtBank->Get( "left_time" )
 391                 ->PostTextMessage( text );
 392
 393             // Create time text and update
 394             input_OffsetToTime( p_intf->p_sys->p_input, text, p_area->i_tell );
 395             p_intf->p_sys->p_theme->EvtBank->Get( "time" )
 396                 ->PostTextMessage( text );
 397
 398             // Create total time text
 399             input_OffsetToTime( p_intf->p_sys->p_input, text, p_area->i_size );
 400             p_intf->p_sys->p_theme->EvtBank->Get( "total_time" )
 401                 ->PostTextMessage( text );
 402
 403             // Free memory
 404             delete[] text;
 405
 406 #undef p_area
 407         }
 408         vlc_mutex_unlock( &p_input->stream.stream_lock );
 409     }
 410     //-------------------------------------------------------------------------
 411     vlc_mutex_unlock( &p_intf->change_lock );
 412
 413     return( VLC_TRUE );
 414 }