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 1.22 2003/04/29 12:54:57 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 //--- GENERAL ---------------------------------------------------------------
  27 #include <wx/wx.h>
  28
  29 //--- VLC -------------------------------------------------------------------
  30 #include <vlc/vlc.h>
  31 #include <vlc/intf.h>
  32 #include <vlc/aout.h>
  33
  34 //--- SKIN ------------------------------------------------------------------
  35 #include "../os_api.h"
  36 #include "event.h"
  37 #include "banks.h"
  38 #include "window.h"
  39 #include "theme.h"
  40 #include "../os_theme.h"
  41 #include "themeloader.h"
  42 #include "vlcproc.h"
  43 #include "skin_common.h"
  44 #include "wxdialogs.h"
  45
  46 #ifdef X11_SKINS
  47 #include <X11/Xlib.h>
  48 #endif
  49
  50 //---------------------------------------------------------------------------
  51 // Interface thread
  52 // It is a global variable because we have C code for the parser, and we
  53 // need to access C++ objects from there
  54 //---------------------------------------------------------------------------
  55 intf_thread_t *g_pIntf;
  56
  57 //---------------------------------------------------------------------------
  58 // Exported interface functions.
  59 //---------------------------------------------------------------------------
  60 #ifdef WIN32
  61 extern "C" __declspec( dllexport )
  62     int __VLC_SYMBOL( vlc_entry ) ( module_t *p_module );
  63 #endif
  64
  65 //---------------------------------------------------------------------------
  66 // Local prototypes.
  67 //---------------------------------------------------------------------------
  68 static int  Open   ( vlc_object_t * );
  69 static void Close  ( vlc_object_t * );
  70 static void Run    ( intf_thread_t * );
  71
  72 int  SkinManage( intf_thread_t *p_intf );
  73 void OSRun( intf_thread_t *p_intf );
  74
  75 //---------------------------------------------------------------------------
  76 // Open: initialize interface
  77 //---------------------------------------------------------------------------
  78 static int Open ( vlc_object_t *p_this )
  79 {
  80     intf_thread_t *p_intf = (intf_thread_t *)p_this;
  81     g_pIntf = p_intf;
  82
  83     // Allocate instance and initialize some members
  84     p_intf->p_sys = (intf_sys_t *) malloc( sizeof( intf_sys_t ) );
  85     if( p_intf->p_sys == NULL )
  86     {
  87         msg_Err( p_intf, "out of memory" );
  88         return( 1 );
  89     };
  90
  91     p_intf->pf_run = Run;
  92
  93
  94     // Suscribe to messages bank
  95     p_intf->p_sys->p_sub = msg_Subscribe( p_intf );
  96
  97     // Set no new theme when opening file
  98     p_intf->p_sys->p_new_theme_file = NULL;
  99
 100     // Initialize Win32 thread
 101     p_intf->p_sys->i_index        = -1;
 102     p_intf->p_sys->i_size         = 0;
 103
 104
 105     p_intf->p_sys->i_close_status = VLC_NOTHING;
 106
 107     p_intf->p_sys->p_input = NULL;
 108     p_intf->p_sys->p_playlist = (playlist_t *)vlc_object_find( p_intf,
 109         VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
 110
 111 #ifdef GTK2_SKINS
 112     // Initialize GDK
 113     int    i_args   = 3;
 114     char  *p_args[] = { "", "", "--sync", NULL };
 115     char **pp_args  = p_args;
 116
 117     gdk_init( &i_args, &pp_args );
 118
 119 #elif defined X11_SKINS
 120     // Initialize X11
 121     p_intf->p_sys->display = XOpenDisplay( NULL );
 122
 123 #elif defined WIN32
 124     // We dynamically load msimg32.dll to get a pointer to TransparentBlt()
 125     p_intf->p_sys->h_msimg32_dll = LoadLibrary("msimg32.dll");
 126     if( !p_intf->p_sys->h_msimg32_dll ||
 127         !( p_intf->p_sys->TransparentBlt =
 128            (BOOL (WINAPI*)(HDC,int,int,int,int,HDC,
 129                            int,int,int,int,unsigned int))
 130            GetProcAddress( p_intf->p_sys->h_msimg32_dll, "TransparentBlt" ) ) )
 131     {
 132         p_intf->p_sys->TransparentBlt = NULL;
 133         msg_Dbg( p_intf, "Couldn't find TransparentBlt(), "
 134                  "falling back to BitBlt()" );
 135     }
 136
 137     // idem for user32.dll and SetLayeredWindowAttributes()
 138     p_intf->p_sys->h_user32_dll = LoadLibrary("user32.dll");
 139     if( !p_intf->p_sys->h_user32_dll ||
 140         !( p_intf->p_sys->SetLayeredWindowAttributes =
 141            (BOOL (WINAPI *)(HWND,COLORREF,BYTE,DWORD))
 142            GetProcAddress( p_intf->p_sys->h_user32_dll,
 143                            "SetLayeredWindowAttributes" ) ) )
 144     {
 145         p_intf->p_sys->SetLayeredWindowAttributes = NULL;
 146         msg_Dbg( p_intf, "Couldn't find SetLayeredWindowAttributes()" );
 147     }
 148
 149 #endif
 150
 151     // Initialize conditions and mutexes
 152     vlc_mutex_init( p_intf, &p_intf->p_sys->init_lock );
 153     vlc_cond_init( p_intf, &p_intf->p_sys->init_cond );
 154
 155     p_intf->p_sys->p_theme = (Theme *)new OSTheme( p_intf );
 156
 157     return( 0 );
 158 }
 159
 160 //---------------------------------------------------------------------------
 161 // Close: destroy interface
 162 //---------------------------------------------------------------------------
 163 static void Close ( vlc_object_t *p_this )
 164 {
 165     intf_thread_t *p_intf = (intf_thread_t *)p_this;
 166
 167
 168     if( p_intf->p_sys->p_input )
 169     {
 170         vlc_object_release( p_intf->p_sys->p_input );
 171     }
 172
 173     if( p_intf->p_sys->p_playlist )
 174     {
 175         vlc_object_release( p_intf->p_sys->p_playlist );
 176     }
 177
 178     // Delete theme, it's important to do it correctly
 179     delete (OSTheme *)p_intf->p_sys->p_theme;
 180
 181     // Unsuscribe to messages bank
 182     msg_Unsubscribe( p_intf, p_intf->p_sys->p_sub );
 183
 184     // Destroy conditions and mutexes
 185     vlc_cond_destroy( &p_intf->p_sys->init_cond );
 186     vlc_mutex_destroy( &p_intf->p_sys->init_lock );
 187
 188 #ifdef WIN32
 189     // Unload msimg32.dll and user32.dll
 190     if( p_intf->p_sys->h_msimg32_dll )
 191         FreeLibrary( p_intf->p_sys->h_msimg32_dll );
 192     if( p_intf->p_sys->h_user32_dll )
 193         FreeLibrary( p_intf->p_sys->h_user32_dll );
 194 #endif
 195
 196     // Destroy structure
 197     free( p_intf->p_sys );
 198 }
 199
 200
 201 //---------------------------------------------------------------------------
 202 // Run: main loop
 203 //---------------------------------------------------------------------------
 204 static void Run( intf_thread_t *p_intf )
 205 {
 206
 207     int a = OSAPI_GetTime();
 208
 209     // Load a theme
 210     char *skin_last = config_GetPsz( p_intf, "skin_last" );
 211     ThemeLoader *Loader = new ThemeLoader( p_intf );
 212
 213     if( skin_last == NULL || ! Loader->Load( skin_last ) )
 214     {
 215         // Too bad, it failed. Let's try with the default theme
 216 #if 0
 217         if( ! Loader->Load( DEFAULT_SKIN_FILE ) )
 218 #else
 219 #ifdef WIN32
 220         string default_dir = (string)p_intf->p_libvlc->psz_vlcpath +
 221                              DIRECTORY_SEPARATOR + "skins" +
 222                              DIRECTORY_SEPARATOR + "default" +
 223                              DIRECTORY_SEPARATOR + "theme.xml";
 224 #else
 225 // FIXME: find VLC directory
 226         string default_dir = (string)"./share" +
 227                              DIRECTORY_SEPARATOR + "skins" +
 228                              DIRECTORY_SEPARATOR + "default" +
 229                              DIRECTORY_SEPARATOR + "theme.xml";
 230 #endif
 231         if( ! Loader->Load( default_dir ) )
 232 #endif
 233         {
 234             // Last chance: the user can  select a new theme file
 235             wxFileDialog dialog( NULL, _("Open a skin file"), "", "",
 236                 "Skin files (*.vlt)|*.vlt|Skin files (*.xml)|*.xml|"
 237                     "All files|*.*", wxOPEN );
 238
 239             if( dialog.ShowModal() == wxID_OK )
 240             {
 241                 // try to load selected file
 242                 if( ! Loader->Load( dialog.GetPath().c_str() ) )
 243                 {
 244                     // He, he, what the hell is he doing ?
 245                     delete Loader;
 246                     return;
 247                 }
 248             }
 249             else
 250             {
 251                 delete Loader;
 252                 return;
 253             }
 254         }
 255     }
 256
 257     // Show the theme
 258     p_intf->p_sys->p_theme->InitTheme();
 259     p_intf->p_sys->p_theme->ShowTheme();
 260
 261     delete Loader;
 262
 263     msg_Err( p_intf, "Load theme time : %i ms", OSAPI_GetTime() - a );
 264
 265     // Refresh the whole interface
 266     OSAPI_PostMessage( NULL, VLC_INTF_REFRESH, 0, (int)true );
 267
 268     OSRun( p_intf );
 269 }
 270
 271 //---------------------------------------------------------------------------
 272 // Module descriptor
 273 //---------------------------------------------------------------------------
 274 #define DEFAULT_SKIN        N_("Last skin actually used")
 275 #define DEFAULT_SKIN_LONG   N_("Last skin actually used")
 276 #define SKIN_CONFIG         N_("Config of last used skin")
 277 #define SKIN_CONFIG_LONG    N_("Config of last used skin")
 278 #define SKIN_TRAY           N_("Show application in system tray")
 279 #define SKIN_TRAY_LONG      N_("Show application in system tray")
 280 #define SKIN_TASKBAR        N_("Show application in taskbar")
 281 #define SKIN_TASKBAR_LONG   N_("Show application in taskbar")
 282
 283 vlc_module_begin();
 284     add_string( "skin_last", "", NULL, DEFAULT_SKIN, DEFAULT_SKIN_LONG,
 285                 VLC_TRUE );
 286     add_string( "skin_config", "", NULL, SKIN_CONFIG, SKIN_CONFIG_LONG,
 287                 VLC_TRUE );
 288     add_bool( "show_in_tray", VLC_FALSE, NULL, SKIN_TRAY, SKIN_TRAY_LONG,
 289               VLC_FALSE );
 290     add_bool( "show_in_taskbar", VLC_TRUE, NULL, SKIN_TASKBAR,
 291               SKIN_TASKBAR_LONG, VLC_FALSE );
 292     set_description( _("Skinnable Interface") );
 293     set_capability( "interface", 30 );
 294     set_callbacks( Open, Close );
 295     add_shortcut( "skins" );
 296 vlc_module_end();
 297
 298
 299 //---------------------------------------------------------------------------
 300 // Refresh procedure
 301 //---------------------------------------------------------------------------
 302 int SkinManage( intf_thread_t *p_intf )
 303 {
 304     vlc_mutex_lock( &p_intf->change_lock );
 305
 306     // Update the input
 307     if( p_intf->p_sys->p_input == NULL )
 308     {
 309         p_intf->p_sys->p_input = (input_thread_t *)
 310                     vlc_object_find( p_intf, VLC_OBJECT_INPUT, FIND_ANYWHERE );
 311     }
 312     else if( p_intf->p_sys->p_input->b_dead )
 313     {
 314         vlc_object_release( p_intf->p_sys->p_input );
 315         p_intf->p_sys->p_input = NULL;
 316     }
 317
 318     OSAPI_PostMessage( NULL, VLC_INTF_REFRESH, 0, (long)false );
 319
 320     // Update the log window
 321     p_intf->p_sys->MessagesDlg->UpdateLog();
 322
 323     // Update the file info window
 324     p_intf->p_sys->InfoDlg->UpdateFileInfo();
 325
 326     //-------------------------------------------------------------------------
 327     if( p_intf->p_sys->p_input != NULL && !p_intf->p_sys->p_input->b_die )
 328     {
 329         input_thread_t  * p_input = p_intf->p_sys->p_input;
 330
 331         vlc_mutex_lock( &p_input->stream.stream_lock );
 332
 333         // Refresh sound volume
 334         audio_volume_t volume;
 335
 336         // Get sound volume from VLC
 337         aout_VolumeGet( p_intf, &volume);
 338
 339         // Update sliders
 340         OSAPI_PostMessage( NULL, CTRL_SET_SLIDER,
 341             (unsigned int)
 342             p_intf->p_sys->p_theme->EvtBank->Get( "volume_refresh" ),
 343             (long)( volume * SLIDER_RANGE / AOUT_VOLUME_MAX ) );
 344
 345
 346         // Refresh slider
 347         // if( p_input->stream.b_seekable && p_intf->p_sys->b_playing )
 348         if( p_input->stream.b_seekable )
 349         {
 350 #define p_area p_input->stream.p_selected_area
 351
 352             // Set value of sliders
 353             long Value = SLIDER_RANGE *
 354                 p_input->stream.p_selected_area->i_tell /
 355                 p_input->stream.p_selected_area->i_size;
 356
 357             // Update sliders
 358             OSAPI_PostMessage( NULL, CTRL_SET_SLIDER, (unsigned int)
 359                 p_intf->p_sys->p_theme->EvtBank->Get( "time" ), (long)Value );
 360
 361             // Text char * for updating text controls
 362             char *text = new char[OFFSETTOTIME_MAX_SIZE];
 363
 364             // Create end time text
 365             input_OffsetToTime( p_intf->p_sys->p_input, &text[1],
 366                                 p_area->i_size - p_area->i_tell );
 367             text[0] = '-';
 368             p_intf->p_sys->p_theme->EvtBank->Get( "left_time" )
 369                 ->PostTextMessage( text );
 370
 371             // Create time text and update
 372             input_OffsetToTime( p_intf->p_sys->p_input, text, p_area->i_tell );
 373             p_intf->p_sys->p_theme->EvtBank->Get( "time" )
 374                 ->PostTextMessage( text );
 375
 376             // Create total time text
 377             input_OffsetToTime( p_intf->p_sys->p_input, text, p_area->i_size );
 378             p_intf->p_sys->p_theme->EvtBank->Get( "total_time" )
 379                 ->PostTextMessage( text );
 380
 381             // Free memory
 382             delete[] text;
 383
 384 #undef p_area
 385         }
 386         vlc_mutex_unlock( &p_input->stream.stream_lock );
 387     }
 388     //-------------------------------------------------------------------------
 389     vlc_mutex_unlock( &p_intf->change_lock );
 390
 391     return( VLC_TRUE );
 392 }