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 1.35 2003/06/09 12:33:16 asmax 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 #ifndef 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 #ifndef BASIC_SKINS
  55 #include "../../wxwindows/wxwindows.h"
  56 #endif
  57
  58 #ifdef X11_SKINS
  59 #include <X11/Xlib.h>
  60 #endif
  61
  62 //---------------------------------------------------------------------------
  63 // Interface thread
  64 // It is a global variable because we have C code for the parser, and we
  65 // need to access C++ objects from there
  66 //---------------------------------------------------------------------------
  67 intf_thread_t *g_pIntf;
  68
  69 //---------------------------------------------------------------------------
  70 // Exported interface functions.
  71 //---------------------------------------------------------------------------
  72 #ifdef WIN32
  73 extern "C" __declspec( dllexport )
  74     int __VLC_SYMBOL( vlc_entry ) ( module_t *p_module );
  75 #endif
  76
  77 //---------------------------------------------------------------------------
  78 // Local prototypes.
  79 //---------------------------------------------------------------------------
  80 static int  Open   ( vlc_object_t * );
  81 static void Close  ( vlc_object_t * );
  82 static void Run    ( intf_thread_t * );
  83
  84 int  SkinManage( intf_thread_t *p_intf );
  85 void OSRun( intf_thread_t *p_intf );
  86
  87 //---------------------------------------------------------------------------
  88 // Open: initialize interface
  89 //---------------------------------------------------------------------------
  90 static int Open ( vlc_object_t *p_this )
  91 {
  92     intf_thread_t *p_intf = (intf_thread_t *)p_this;
  93     g_pIntf = p_intf;
  94
  95     // Allocate instance and initialize some members
  96     p_intf->p_sys = (intf_sys_t *) malloc( sizeof( intf_sys_t ) );
  97     if( p_intf->p_sys == NULL )
  98     {
  99         msg_Err( p_intf, "out of memory" );
 100         return( 1 );
 101     };
 102
 103     p_intf->pf_run = Run;
 104
 105
 106     // Suscribe to messages bank
 107     p_intf->p_sys->p_sub = msg_Subscribe( p_intf );
 108
 109     // Set no new theme when opening file
 110     p_intf->p_sys->p_new_theme_file = NULL;
 111
 112     // Initialize info on playlist
 113     p_intf->p_sys->i_index        = -1;
 114     p_intf->p_sys->i_size         = 0;
 115
 116     p_intf->p_sys->i_close_status = VLC_NOTHING;
 117
 118     p_intf->p_sys->p_input = NULL;
 119     p_intf->p_sys->p_playlist = (playlist_t *)vlc_object_find( p_intf,
 120         VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
 121
 122 #ifdef GTK2_SKINS
 123     // Initialize GDK
 124     int    i_args   = 3;
 125     char  *p_args[] = { "", "", "--sync", NULL };
 126     char **pp_args  = p_args;
 127
 128     gdk_init( &i_args, &pp_args );
 129
 130 #elif defined X11_SKINS
 131     // Initialize X11
 132     p_intf->p_sys->display = XOpenDisplay( NULL );
 133     vlc_mutex_init( p_intf, &p_intf->p_sys->xlock );
 134
 135 #elif defined WIN32
 136     // Interface thread id used to post broadcast messages
 137     p_intf->p_sys->dwThreadId = GetCurrentThreadId();
 138
 139     // We dynamically load msimg32.dll to get a pointer to TransparentBlt()
 140     p_intf->p_sys->h_msimg32_dll = LoadLibrary("msimg32.dll");
 141     if( !p_intf->p_sys->h_msimg32_dll ||
 142         !( p_intf->p_sys->TransparentBlt =
 143            (BOOL (WINAPI*)(HDC,int,int,int,int,HDC,
 144                            int,int,int,int,unsigned int))
 145            GetProcAddress( p_intf->p_sys->h_msimg32_dll, "TransparentBlt" ) ) )
 146     {
 147         p_intf->p_sys->TransparentBlt = NULL;
 148         msg_Dbg( p_intf, "Couldn't find TransparentBlt(), "
 149                  "falling back to BitBlt()" );
 150     }
 151
 152     // idem for user32.dll and SetLayeredWindowAttributes()
 153     p_intf->p_sys->h_user32_dll = LoadLibrary("user32.dll");
 154     if( !p_intf->p_sys->h_user32_dll ||
 155         !( p_intf->p_sys->SetLayeredWindowAttributes =
 156            (BOOL (WINAPI *)(HWND,COLORREF,BYTE,DWORD))
 157            GetProcAddress( p_intf->p_sys->h_user32_dll,
 158                            "SetLayeredWindowAttributes" ) ) )
 159     {
 160         p_intf->p_sys->SetLayeredWindowAttributes = NULL;
 161         msg_Dbg( p_intf, "Couldn't find SetLayeredWindowAttributes()" );
 162     }
 163
 164 #endif
 165
 166     p_intf->p_sys->p_theme = (Theme *)new OSTheme( p_intf );
 167
 168     return( 0 );
 169 }
 170
 171 //---------------------------------------------------------------------------
 172 // Close: destroy interface
 173 //---------------------------------------------------------------------------
 174 static void Close ( vlc_object_t *p_this )
 175 {
 176     intf_thread_t *p_intf = (intf_thread_t *)p_this;
 177
 178     if( p_intf->p_sys->p_input )
 179     {
 180         vlc_object_release( p_intf->p_sys->p_input );
 181     }
 182
 183     if( p_intf->p_sys->p_playlist )
 184     {
 185         vlc_object_release( p_intf->p_sys->p_playlist );
 186     }
 187
 188     // Delete theme, it's important to do it correctly
 189     delete (OSTheme *)p_intf->p_sys->p_theme;
 190
 191 #if defined X11_SKINS
 192     XCloseDisplay( p_intf->p_sys->display );
 193 #endif
 194
 195     // Unsuscribe to messages bank
 196     msg_Unsubscribe( p_intf, p_intf->p_sys->p_sub );
 197
 198 #ifdef WIN32
 199     // Unload msimg32.dll and user32.dll
 200     if( p_intf->p_sys->h_msimg32_dll )
 201         FreeLibrary( p_intf->p_sys->h_msimg32_dll );
 202     if( p_intf->p_sys->h_user32_dll )
 203         FreeLibrary( p_intf->p_sys->h_user32_dll );
 204 #elif defined X11_SKINS
 205     vlc_mutex_destroy( &p_intf->p_sys->xlock );
 206 #endif
 207
 208     // Destroy structure
 209     free( p_intf->p_sys );
 210 }
 211
 212
 213 //---------------------------------------------------------------------------
 214 // Run: main loop
 215 //---------------------------------------------------------------------------
 216 static void Run( intf_thread_t *p_intf )
 217 {
 218
 219     int a = OSAPI_GetTime();
 220
 221 #ifndef BASIC_SKINS
 222     // Initialize the dialog boxes
 223     p_intf->p_sys->p_dialogs = new Dialogs( p_intf );
 224     if( !p_intf->p_sys->p_dialogs ||
 225         !p_intf->p_sys->p_dialogs->OpenDlg ) return;
 226 #endif
 227
 228     // Load a theme
 229     char *skin_last = config_GetPsz( p_intf, "skin_last" );
 230     ThemeLoader *Loader = new ThemeLoader( p_intf );
 231
 232     if( skin_last == NULL || ! Loader->Load( skin_last ) )
 233     {
 234         // Too bad, it failed. Let's try with the default theme
 235 #if 0
 236         if( ! Loader->Load( DEFAULT_SKIN_FILE ) )
 237 #else
 238 #ifdef WIN32
 239         string default_dir = (string)p_intf->p_libvlc->psz_vlcpath +
 240                              DIRECTORY_SEPARATOR + "skins" +
 241                              DIRECTORY_SEPARATOR + "default" +
 242                              DIRECTORY_SEPARATOR + "theme.xml";
 243 #else
 244 // FIXME: find VLC directory
 245         string default_dir = (string)"./share" +
 246                              DIRECTORY_SEPARATOR + "skins" +
 247                              DIRECTORY_SEPARATOR + "default" +
 248                              DIRECTORY_SEPARATOR + "theme.xml";
 249 #endif
 250         if( ! Loader->Load( default_dir ) )
 251 #endif
 252         {
 253             // Last chance: the user can  select a new theme file
 254 #ifndef BASIC_SKINS
 255             wxMutexGuiEnter();
 256             wxFileDialog dialog( NULL,
 257                 wxU(_("Open a skin file")), wxT(""), wxT(""),
 258                 wxT("Skin files (*.vlt)|*.vlt|Skin files (*.xml)|*.xml|"
 259                     "All files|*.*"), wxOPEN );
 260
 261             if( dialog.ShowModal() == wxID_OK )
 262             {
 263                 // try to load selected file
 264                 if( ! Loader->Load( (string)dialog.GetPath().mb_str() ) )
 265                 {
 266                     // He, he, what the hell is he doing ?
 267                     delete Loader;
 268                     wxMutexGuiLeave();
 269                     return;
 270                 }
 271                 wxMutexGuiLeave();
 272             }
 273             else
 274 #endif
 275             {
 276                 delete Loader;
 277 #ifndef BASIC_SKINS
 278                 wxMutexGuiLeave();
 279 #endif
 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     delete Loader;
 290
 291     msg_Dbg( p_intf, "Load theme time : %i ms", OSAPI_GetTime() - a );
 292
 293     // Refresh the whole interface
 294     OSAPI_PostMessage( NULL, VLC_INTF_REFRESH, 0, (int)true );
 295
 296     OSRun( p_intf );
 297
 298 #ifndef BASIC_SKINS
 299     // clean up the dialog boxes
 300     delete p_intf->p_sys->p_dialogs;
 301 #endif
 302 }
 303
 304 //---------------------------------------------------------------------------
 305 // Module descriptor
 306 //---------------------------------------------------------------------------
 307 #define DEFAULT_SKIN        N_("Last skin actually used")
 308 #define DEFAULT_SKIN_LONG   N_("Last skin actually used")
 309 #define SKIN_CONFIG         N_("Config of last used skin")
 310 #define SKIN_CONFIG_LONG    N_("Config of last used skin")
 311 #define SKIN_TRAY           N_("Show application in system tray")
 312 #define SKIN_TRAY_LONG      N_("Show application in system tray")
 313 #define SKIN_TASKBAR        N_("Show application in taskbar")
 314 #define SKIN_TASKBAR_LONG   N_("Show application in taskbar")
 315
 316 vlc_module_begin();
 317     add_string( "skin_last", "", NULL, DEFAULT_SKIN, DEFAULT_SKIN_LONG,
 318                 VLC_TRUE );
 319     add_string( "skin_config", "", NULL, SKIN_CONFIG, SKIN_CONFIG_LONG,
 320                 VLC_TRUE );
 321     add_bool( "show_in_tray", VLC_FALSE, NULL, SKIN_TRAY, SKIN_TRAY_LONG,
 322               VLC_FALSE );
 323     add_bool( "show_in_taskbar", VLC_TRUE, NULL, SKIN_TASKBAR,
 324               SKIN_TASKBAR_LONG, VLC_FALSE );
 325     set_description( _("Skinnable Interface") );
 326     set_capability( "interface", 30 );
 327     set_callbacks( Open, Close );
 328 vlc_module_end();
 329
 330
 331 //---------------------------------------------------------------------------
 332 // Refresh procedure
 333 //---------------------------------------------------------------------------
 334 int SkinManage( intf_thread_t *p_intf )
 335 {
 336     vlc_mutex_lock( &p_intf->change_lock );
 337
 338     // Update the input
 339     if( p_intf->p_sys->p_input == NULL )
 340     {
 341         p_intf->p_sys->p_input = (input_thread_t *)
 342                     vlc_object_find( p_intf, VLC_OBJECT_INPUT, FIND_ANYWHERE );
 343     }
 344     else if( p_intf->p_sys->p_input->b_dead )
 345     {
 346         vlc_object_release( p_intf->p_sys->p_input );
 347         p_intf->p_sys->p_input = NULL;
 348     }
 349
 350     OSAPI_PostMessage( NULL, VLC_INTF_REFRESH, 0, (long)false );
 351
 352 #ifndef BASIC_SKINS //FIXME
 353     // Update the log window
 354     p_intf->p_sys->p_dialogs->MessagesDlg->UpdateLog();
 355
 356     // Update the file info window
 357     p_intf->p_sys->p_dialogs->FileInfoDlg->UpdateFileInfo();
 358 #endif
 359
 360     //-------------------------------------------------------------------------
 361     if( p_intf->p_sys->p_input != NULL && !p_intf->p_sys->p_input->b_die )
 362     {
 363         input_thread_t  * p_input = p_intf->p_sys->p_input;
 364
 365         vlc_mutex_lock( &p_input->stream.stream_lock );
 366
 367         // Refresh sound volume
 368         audio_volume_t volume;
 369
 370         // Get sound volume from VLC
 371         aout_VolumeGet( p_intf, &volume);
 372
 373         // Update sliders
 374         OSAPI_PostMessage( NULL, CTRL_SET_SLIDER,
 375             (unsigned int)
 376             p_intf->p_sys->p_theme->EvtBank->Get( "volume_refresh" ),
 377             (long)( volume * SLIDER_RANGE / AOUT_VOLUME_MAX ) );
 378
 379
 380         // Refresh slider
 381         // if( p_input->stream.b_seekable && p_intf->p_sys->b_playing )
 382         if( p_input->stream.b_seekable )
 383         {
 384 #define p_area p_input->stream.p_selected_area
 385
 386             // Set value of sliders
 387             long Value = SLIDER_RANGE *
 388                 p_input->stream.p_selected_area->i_tell /
 389                 p_input->stream.p_selected_area->i_size;
 390
 391             // Update sliders
 392             OSAPI_PostMessage( NULL, CTRL_SET_SLIDER, (unsigned int)
 393                 p_intf->p_sys->p_theme->EvtBank->Get( "time" ), (long)Value );
 394
 395             // Text char * for updating text controls
 396             char *text = new char[OFFSETTOTIME_MAX_SIZE];
 397
 398             // Create end time text
 399             input_OffsetToTime( p_intf->p_sys->p_input, &text[1],
 400                                 p_area->i_size - p_area->i_tell );
 401             text[0] = '-';
 402             p_intf->p_sys->p_theme->EvtBank->Get( "left_time" )
 403                 ->PostTextMessage( text );
 404
 405             // Create time text and update
 406             input_OffsetToTime( p_intf->p_sys->p_input, text, p_area->i_tell );
 407             p_intf->p_sys->p_theme->EvtBank->Get( "time" )
 408                 ->PostTextMessage( text );
 409
 410             // Create total time text
 411             input_OffsetToTime( p_intf->p_sys->p_input, text, p_area->i_size );
 412             p_intf->p_sys->p_theme->EvtBank->Get( "total_time" )
 413                 ->PostTextMessage( text );
 414
 415             // Free memory
 416             delete[] text;
 417
 418 #undef p_area
 419         }
 420         vlc_mutex_unlock( &p_input->stream.stream_lock );
 421     }
 422     //-------------------------------------------------------------------------
 423     vlc_mutex_unlock( &p_intf->change_lock );
 424
 425     return( VLC_TRUE );
 426 }