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 1.44 2003/07/13 14:55:17 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 //--- GENERAL ---------------------------------------------------------------
  32 #if !defined(MODULE_NAME_IS_basic_skins)
  33 #ifdef WIN32                                               /* mingw32 hack */
  34 #   undef Yield
  35 #   undef CreateDialog
  36 #endif
  37 /* Let vlc take care of the i18n stuff */
  38 #define WXINTL_NO_GETTEXT_MACRO
  39 #include <wx/wx.h>
  40 #endif
  41
  42 //--- SKIN ------------------------------------------------------------------
  43 #include "../os_api.h"
  44 #include "event.h"
  45 #include "banks.h"
  46 #include "window.h"
  47 #include "theme.h"
  48 #include "../os_theme.h"
  49 #include "themeloader.h"
  50 #include "vlcproc.h"
  51 #include "skin_common.h"
  52 #include "dialogs.h"
  53
  54 #if !defined(MODULE_NAME_IS_basic_skins)
  55 #include "../../wxwindows/wxwindows.h"
  56 #endif
  57
  58 #ifdef X11_SKINS
  59 #include <X11/Xlib.h>
  60 #include <Imlib2.h>
  61 #endif
  62
  63 //---------------------------------------------------------------------------
  64 // Interface thread
  65 // It is a global variable because we have C code for the parser, and we
  66 // need to access C++ objects from there
  67 //---------------------------------------------------------------------------
  68 intf_thread_t *g_pIntf;
  69
  70 //---------------------------------------------------------------------------
  71 // Exported interface functions.
  72 //---------------------------------------------------------------------------
  73 #ifdef WIN32
  74 extern "C" __declspec( dllexport )
  75     int __VLC_SYMBOL( vlc_entry ) ( module_t *p_module );
  76 #endif
  77
  78 //---------------------------------------------------------------------------
  79 // Local prototypes.
  80 //---------------------------------------------------------------------------
  81 static int  Open   ( vlc_object_t * );
  82 static void Close  ( vlc_object_t * );
  83 static void Run    ( intf_thread_t * );
  84
  85 int  SkinManage( intf_thread_t *p_intf );
  86 void OSRun( intf_thread_t *p_intf );
  87
  88 //---------------------------------------------------------------------------
  89 // Open: initialize interface
  90 //---------------------------------------------------------------------------
  91 static int Open ( vlc_object_t *p_this )
  92 {
  93     intf_thread_t *p_intf = (intf_thread_t *)p_this;
  94     g_pIntf = p_intf;
  95
  96     // Allocate instance and initialize some members
  97     p_intf->p_sys = (intf_sys_t *) malloc( sizeof( intf_sys_t ) );
  98     if( p_intf->p_sys == NULL )
  99     {
 100         msg_Err( p_intf, "out of memory" );
 101         return( 1 );
 102     };
 103
 104     p_intf->pf_run = Run;
 105
 106
 107     // Suscribe to messages bank
 108     p_intf->p_sys->p_sub = msg_Subscribe( p_intf );
 109
 110     // Set no new theme when opening file
 111     p_intf->p_sys->p_new_theme_file = NULL;
 112
 113     // Initialize info on playlist
 114     p_intf->p_sys->i_index        = -1;
 115     p_intf->p_sys->i_size         = 0;
 116
 117     p_intf->p_sys->i_close_status = VLC_NOTHING;
 118
 119     p_intf->p_sys->p_input = NULL;
 120     p_intf->p_sys->p_playlist = (playlist_t *)vlc_object_find( p_intf,
 121         VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
 122
 123 #if defined X11_SKINS
 124     // Initialize X11
 125     Display *display = XOpenDisplay( NULL );
 126     p_intf->p_sys->display = display;
 127     vlc_mutex_init( p_intf, &p_intf->p_sys->xlock );
 128     // Fake window to receive broadcast events
 129     Window root = DefaultRootWindow( display );
 130     p_intf->p_sys->mainWin = XCreateSimpleWindow( display, root, 0, 0,
 131                                                   1, 1, 0, 0, 0 );
 132     XStoreName( display, p_intf->p_sys->mainWin, "VLC Media Player" );
 133
 134     // Load the vlc icon
 135     int screen = DefaultScreen( display );
 136     Screen *screenptr = DefaultScreenOfDisplay( display );
 137     Visual *visual = DefaultVisualOfScreen( screenptr );
 138     imlib_context_set_display( display );
 139     imlib_context_set_visual( visual );
 140     imlib_context_set_drawable( root );
 141     imlib_context_set_colormap( DefaultColormap( display, screen ) );
 142     imlib_context_set_dither( 1 );
 143     imlib_context_set_blend( 1 );
 144     Imlib_Image img = imlib_load_image_immediately( DATA_PATH"/vlc32x32.png" );
 145     if( img == NULL )
 146     {
 147         // for developers ;)
 148         img = imlib_load_image_immediately( "./share/vlc32x32.png" );
 149     }
 150     if( img == NULL )
 151     {
 152         msg_Err( p_intf, "loading vlc icon failed" );
 153         p_intf->p_sys->iconPixmap = None;
 154         p_intf->p_sys->iconMask = None;
 155     }
 156     else
 157     {
 158         imlib_context_set_image( img );
 159         imlib_render_pixmaps_for_whole_image( &p_intf->p_sys->iconPixmap,
 160                                               &p_intf->p_sys->iconMask );
 161         imlib_free_image();
 162     }
 163
 164
 165 #elif defined WIN32
 166     // Interface thread id used to post broadcast messages
 167     p_intf->p_sys->dwThreadId = GetCurrentThreadId();
 168
 169     // We dynamically load msimg32.dll to get a pointer to TransparentBlt()
 170     p_intf->p_sys->h_msimg32_dll = LoadLibrary("msimg32.dll");
 171     if( !p_intf->p_sys->h_msimg32_dll ||
 172         !( p_intf->p_sys->TransparentBlt =
 173            (BOOL (WINAPI*)(HDC,int,int,int,int,HDC,
 174                            int,int,int,int,unsigned int))
 175            GetProcAddress( p_intf->p_sys->h_msimg32_dll, "TransparentBlt" ) ) )
 176     {
 177         p_intf->p_sys->TransparentBlt = NULL;
 178         msg_Dbg( p_intf, "Couldn't find TransparentBlt(), "
 179                  "falling back to BitBlt()" );
 180     }
 181
 182     // idem for user32.dll and SetLayeredWindowAttributes()
 183     p_intf->p_sys->h_user32_dll = LoadLibrary("user32.dll");
 184     if( !p_intf->p_sys->h_user32_dll ||
 185         !( p_intf->p_sys->SetLayeredWindowAttributes =
 186            (BOOL (WINAPI *)(HWND,COLORREF,BYTE,DWORD))
 187            GetProcAddress( p_intf->p_sys->h_user32_dll,
 188                            "SetLayeredWindowAttributes" ) ) )
 189     {
 190         p_intf->p_sys->SetLayeredWindowAttributes = NULL;
 191         msg_Dbg( p_intf, "Couldn't find SetLayeredWindowAttributes()" );
 192     }
 193
 194 #endif
 195
 196     p_intf->p_sys->p_theme = (Theme *)new OSTheme( p_intf );
 197
 198     return( 0 );
 199 }
 200
 201 //---------------------------------------------------------------------------
 202 // Close: destroy interface
 203 //---------------------------------------------------------------------------
 204 static void Close ( vlc_object_t *p_this )
 205 {
 206     intf_thread_t *p_intf = (intf_thread_t *)p_this;
 207
 208     if( p_intf->p_sys->p_input )
 209     {
 210         vlc_object_release( p_intf->p_sys->p_input );
 211     }
 212
 213     if( p_intf->p_sys->p_playlist )
 214     {
 215         vlc_object_release( p_intf->p_sys->p_playlist );
 216     }
 217
 218     // Delete theme, it's important to do it correctly
 219     delete (OSTheme *)p_intf->p_sys->p_theme;
 220
 221 #if defined X11_SKINS
 222     XDestroyWindow( p_intf->p_sys->display, p_intf->p_sys->mainWin );
 223     XCloseDisplay( p_intf->p_sys->display );
 224 #endif
 225
 226     // Unsuscribe to messages bank
 227     msg_Unsubscribe( p_intf, p_intf->p_sys->p_sub );
 228
 229 #ifdef WIN32
 230     // Unload msimg32.dll and user32.dll
 231     if( p_intf->p_sys->h_msimg32_dll )
 232         FreeLibrary( p_intf->p_sys->h_msimg32_dll );
 233     if( p_intf->p_sys->h_user32_dll )
 234         FreeLibrary( p_intf->p_sys->h_user32_dll );
 235 #elif defined X11_SKINS
 236     vlc_mutex_destroy( &p_intf->p_sys->xlock );
 237 #endif
 238
 239     // Destroy structure
 240     free( p_intf->p_sys );
 241 }
 242
 243
 244 //---------------------------------------------------------------------------
 245 // Run: main loop
 246 //---------------------------------------------------------------------------
 247 static void Run( intf_thread_t *p_intf )
 248 {
 249
 250     int a = OSAPI_GetTime();
 251
 252 #if !defined(MODULE_NAME_IS_basic_skins)
 253     // Initialize the dialog boxes
 254     p_intf->p_sys->p_dialogs = new Dialogs( p_intf );
 255     if( !p_intf->p_sys->p_dialogs ||
 256         !p_intf->p_sys->p_dialogs->OpenDlg ) return;
 257 #endif
 258
 259     // Load a theme
 260     char *skin_last = config_GetPsz( p_intf, "skin_last" );
 261     ThemeLoader *Loader = new ThemeLoader( p_intf );
 262
 263     if( skin_last == NULL || ! Loader->Load( skin_last ) )
 264     {
 265         // Too bad, it failed. Let's try with the default theme
 266 //        if( ! Loader->Load( DEFAULT_SKIN_FILE ) )
 267 #ifdef WIN32
 268         string default_dir = (string)p_intf->p_libvlc->psz_vlcpath +
 269                              DIRECTORY_SEPARATOR + "skins" +
 270                              DIRECTORY_SEPARATOR + "default" +
 271                              DIRECTORY_SEPARATOR + "theme.xml";
 272         if( ! Loader->Load( default_dir ) )
 273         {
 274             // Last chance: the user can  select a new theme file
 275 #else
 276         string user_skin = (string)p_intf->p_vlc->psz_homedir +
 277                               DIRECTORY_SEPARATOR + CONFIG_DIR +
 278                               DIRECTORY_SEPARATOR + "skins" +
 279                               DIRECTORY_SEPARATOR + "default" +
 280                               DIRECTORY_SEPARATOR + "theme.xml";
 281
 282         string default_skin = (string)DATA_PATH +
 283                               DIRECTORY_SEPARATOR + "skins" +
 284                               DIRECTORY_SEPARATOR + "default" +
 285                               DIRECTORY_SEPARATOR + "theme.xml";
 286         if( !Loader->Load( user_skin ) && !Loader->Load( default_skin ) )
 287         {
 288 #endif
 289 #if !defined(MODULE_NAME_IS_basic_skins)
 290             wxMutexGuiEnter();
 291             wxFileDialog dialog( NULL,
 292                 wxU(_("Open a skin file")), wxT(""), wxT(""),
 293                 wxT("Skin files (*.vlt)|*.vlt|Skin files (*.xml)|*.xml|"
 294                     "All files|*.*"), wxOPEN );
 295
 296             if( dialog.ShowModal() == wxID_OK )
 297             {
 298                 // try to load selected file
 299                 if( ! Loader->Load( (string)dialog.GetPath().mb_str() ) )
 300                 {
 301                     // He, he, what the hell is he doing ?
 302                     delete Loader;
 303                     wxMutexGuiLeave();
 304                     return;
 305                 }
 306                 wxMutexGuiLeave();
 307             }
 308             else
 309 #endif
 310             {
 311                 delete Loader;
 312 #if !defined(MODULE_NAME_IS_basic_skins)
 313                 wxMutexGuiLeave();
 314 #endif
 315                 return;
 316             }
 317         }
 318     }
 319
 320     // Show the theme
 321     p_intf->p_sys->p_theme->InitTheme();
 322     p_intf->p_sys->p_theme->ShowTheme();
 323
 324     delete Loader;
 325
 326     msg_Dbg( p_intf, "Load theme time : %i ms", OSAPI_GetTime() - a );
 327
 328     OSAPI_PostMessage( NULL, VLC_INTF_REFRESH, 0, (int)true );
 329
 330     OSRun( p_intf );
 331
 332 #if !defined(MODULE_NAME_IS_basic_skins)
 333     // clean up the dialog boxes
 334     delete p_intf->p_sys->p_dialogs;
 335 #endif
 336 }
 337
 338 //---------------------------------------------------------------------------
 339 // Module descriptor
 340 //---------------------------------------------------------------------------
 341 #define DEFAULT_SKIN        N_("Last skin actually used")
 342 #define DEFAULT_SKIN_LONG   N_("Last skin actually used")
 343 #define SKIN_CONFIG         N_("Config of last used skin")
 344 #define SKIN_CONFIG_LONG    N_("Config of last used skin")
 345 #define SKIN_TRAY           N_("Show application in system tray")
 346 #define SKIN_TRAY_LONG      N_("Show application in system tray")
 347 #define SKIN_TASKBAR        N_("Show application in taskbar")
 348 #define SKIN_TASKBAR_LONG   N_("Show application in taskbar")
 349
 350 vlc_module_begin();
 351     add_string( "skin_last", "", NULL, DEFAULT_SKIN, DEFAULT_SKIN_LONG,
 352                 VLC_TRUE );
 353     add_string( "skin_config", "", NULL, SKIN_CONFIG, SKIN_CONFIG_LONG,
 354                 VLC_TRUE );
 355     add_bool( "show_in_tray", VLC_FALSE, NULL, SKIN_TRAY, SKIN_TRAY_LONG,
 356               VLC_FALSE );
 357     add_bool( "show_in_taskbar", VLC_TRUE, NULL, SKIN_TASKBAR,
 358               SKIN_TASKBAR_LONG, VLC_FALSE );
 359     set_description( _("Skinnable Interface") );
 360     set_capability( "interface", 30 );
 361     set_callbacks( Open, Close );
 362 #if !defined(WIN32) && !defined(MODULE_NAME_IS_basic_skins)
 363     linked_with_a_crap_library_which_uses_atexit();
 364 #endif
 365 vlc_module_end();
 366
 367
 368 //---------------------------------------------------------------------------
 369 // Refresh procedure
 370 //---------------------------------------------------------------------------
 371 int SkinManage( intf_thread_t *p_intf )
 372 {
 373     vlc_mutex_lock( &p_intf->change_lock );
 374
 375     // Update the input
 376     if( p_intf->p_sys->p_input == NULL )
 377     {
 378         p_intf->p_sys->p_input = (input_thread_t *)
 379                     vlc_object_find( p_intf, VLC_OBJECT_INPUT, FIND_ANYWHERE );
 380     }
 381     else if( p_intf->p_sys->p_input->b_dead )
 382     {
 383         vlc_object_release( p_intf->p_sys->p_input );
 384         p_intf->p_sys->p_input = NULL;
 385     }
 386
 387 #if !defined(MODULE_NAME_IS_basic_skins) //FIXME
 388     // Update the log window
 389     p_intf->p_sys->p_dialogs->MessagesDlg->UpdateLog();
 390
 391     // Update the file info window
 392     p_intf->p_sys->p_dialogs->FileInfoDlg->UpdateFileInfo();
 393 #endif
 394
 395     //-------------------------------------------------------------------------
 396     if( p_intf->p_sys->p_input != NULL && !p_intf->p_sys->p_input->b_die )
 397     {
 398         input_thread_t  * p_input = p_intf->p_sys->p_input;
 399
 400         vlc_mutex_lock( &p_input->stream.stream_lock );
 401
 402         // Refresh sound volume
 403         audio_volume_t volume;
 404
 405         // Get sound volume from VLC
 406         aout_VolumeGet( p_intf, &volume);
 407
 408         // Update sliders
 409         OSAPI_PostMessage( NULL, CTRL_SET_SLIDER,
 410             (unsigned int)
 411             p_intf->p_sys->p_theme->EvtBank->Get( "volume_refresh" ),
 412             (long)( volume * SLIDER_RANGE / AOUT_VOLUME_MAX ) );
 413
 414         // Refresh slider
 415         // if( p_input->stream.b_seekable && p_intf->p_sys->b_playing )
 416         if( p_input->stream.b_seekable )
 417         {
 418 #define p_area p_input->stream.p_selected_area
 419
 420             // Set value of sliders
 421             long Value = SLIDER_RANGE *
 422                 p_input->stream.p_selected_area->i_tell /
 423                 p_input->stream.p_selected_area->i_size;
 424
 425             // Update sliders
 426             OSAPI_PostMessage( NULL, CTRL_SET_SLIDER, (unsigned int)
 427                 p_intf->p_sys->p_theme->EvtBank->Get( "time" ), (long)Value );
 428
 429             // Text char * for updating text controls
 430             char *text = new char[OFFSETTOTIME_MAX_SIZE];
 431
 432             // Create end time text
 433             input_OffsetToTime( p_intf->p_sys->p_input, &text[1],
 434                                 p_area->i_size - p_area->i_tell );
 435             text[0] = '-';
 436             p_intf->p_sys->p_theme->EvtBank->Get( "left_time" )
 437                 ->PostTextMessage( text );
 438
 439             // Create time text and update
 440             input_OffsetToTime( p_intf->p_sys->p_input, text, p_area->i_tell );
 441             p_intf->p_sys->p_theme->EvtBank->Get( "time" )
 442                 ->PostTextMessage( text );
 443
 444             // Create total time text
 445             input_OffsetToTime( p_intf->p_sys->p_input, text, p_area->i_size );
 446             p_intf->p_sys->p_theme->EvtBank->Get( "total_time" )
 447                 ->PostTextMessage( text );
 448
 449             // Free memory
 450             delete[] text;
 451
 452 #undef p_area
 453         }
 454         vlc_mutex_unlock( &p_input->stream.stream_lock );
 455     }
 456     //-------------------------------------------------------------------------
 457     vlc_mutex_unlock( &p_intf->change_lock );
 458
 459     return( VLC_TRUE );
 460 }