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 1.55 2003/12/22 02:24:52 sam 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 // Local prototypes.
  57 //---------------------------------------------------------------------------
  58 static int  Open   ( vlc_object_t * );
  59 static void Close  ( vlc_object_t * );
  60 static void Run    ( intf_thread_t * );
  61
  62 int  SkinManage( intf_thread_t *p_intf );
  63 void OSRun( intf_thread_t *p_intf );
  64
  65 //---------------------------------------------------------------------------
  66 // Open: initialize interface
  67 //---------------------------------------------------------------------------
  68 static int Open ( vlc_object_t *p_this )
  69 {
  70     intf_thread_t *p_intf = (intf_thread_t *)p_this;
  71     g_pIntf = p_intf;
  72
  73 #if defined X11_SKINS
  74     // Open/Test for an X11 display
  75     Display *display = XOpenDisplay( NULL );
  76     if( !display ) return VLC_EGENERIC;
  77 #endif
  78
  79     // Allocate instance and initialize some members
  80     p_intf->p_sys = (intf_sys_t *) malloc( sizeof( intf_sys_t ) );
  81     if( p_intf->p_sys == NULL )
  82     {
  83         msg_Err( p_intf, "out of memory" );
  84         return( 1 );
  85     };
  86
  87     p_intf->pf_run = Run;
  88
  89     // Suscribe to messages bank
  90     p_intf->p_sys->p_sub = msg_Subscribe( p_intf );
  91
  92     // Set no new theme when opening file
  93     p_intf->p_sys->p_new_theme_file = NULL;
  94
  95     // Initialize info on playlist
  96     p_intf->p_sys->i_index        = -1;
  97     p_intf->p_sys->i_size         = 0;
  98
  99     p_intf->p_sys->b_on_top = false;
 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     p_intf->p_sys->display = display;
 110     vlc_mutex_init( p_intf, &p_intf->p_sys->xlock );
 111     // Fake window to receive broadcast events
 112     Window root = DefaultRootWindow( display );
 113     p_intf->p_sys->mainWin = XCreateSimpleWindow( display, root, 0, 0,
 114                                                   1, 1, 0, 0, 0 );
 115     XStoreName( display, p_intf->p_sys->mainWin, "VLC Media Player" );
 116
 117     // Load the vlc icon
 118     int screen = DefaultScreen( display );
 119     Screen *screenptr = DefaultScreenOfDisplay( display );
 120     Visual *visual = DefaultVisualOfScreen( screenptr );
 121     imlib_context_set_display( display );
 122     imlib_context_set_visual( visual );
 123     imlib_context_set_drawable( root );
 124     imlib_context_set_colormap( DefaultColormap( display, screen ) );
 125     imlib_context_set_dither( 1 );
 126     imlib_context_set_blend( 1 );
 127     Imlib_Image img = imlib_load_image_immediately( DATA_PATH"/vlc32x32.png" );
 128     if( img == NULL )
 129     {
 130         // for developers ;)
 131         img = imlib_load_image_immediately( "./share/vlc32x32.png" );
 132     }
 133     if( img == NULL )
 134     {
 135         msg_Err( p_intf, "loading vlc icon failed" );
 136         p_intf->p_sys->iconPixmap = None;
 137         p_intf->p_sys->iconMask = None;
 138     }
 139     else
 140     {
 141         imlib_context_set_image( img );
 142         imlib_render_pixmaps_for_whole_image( &p_intf->p_sys->iconPixmap,
 143                                               &p_intf->p_sys->iconMask );
 144         imlib_free_image();
 145     }
 146
 147
 148 #elif defined WIN32
 149     // Interface thread id used to post broadcast messages
 150     p_intf->p_sys->dwThreadId = GetCurrentThreadId();
 151
 152     // We dynamically load msimg32.dll to get a pointer to TransparentBlt()
 153     p_intf->p_sys->h_msimg32_dll = LoadLibrary("msimg32.dll");
 154     if( !p_intf->p_sys->h_msimg32_dll ||
 155         !( p_intf->p_sys->TransparentBlt =
 156            (BOOL (WINAPI*)(HDC,int,int,int,int,HDC,
 157                            int,int,int,int,unsigned int))
 158            GetProcAddress( p_intf->p_sys->h_msimg32_dll, "TransparentBlt" ) ) )
 159     {
 160         p_intf->p_sys->TransparentBlt = NULL;
 161         msg_Dbg( p_intf, "Couldn't find TransparentBlt(), "
 162                  "falling back to BitBlt()" );
 163     }
 164
 165     // idem for user32.dll and SetLayeredWindowAttributes()
 166     p_intf->p_sys->h_user32_dll = LoadLibrary("user32.dll");
 167     if( !p_intf->p_sys->h_user32_dll ||
 168         !( p_intf->p_sys->SetLayeredWindowAttributes =
 169            (BOOL (WINAPI *)(HWND,COLORREF,BYTE,DWORD))
 170            GetProcAddress( p_intf->p_sys->h_user32_dll,
 171                            "SetLayeredWindowAttributes" ) ) )
 172     {
 173         p_intf->p_sys->SetLayeredWindowAttributes = NULL;
 174         msg_Dbg( p_intf, "Couldn't find SetLayeredWindowAttributes()" );
 175     }
 176
 177 #endif
 178
 179     p_intf->p_sys->p_theme = (Theme *)new OSTheme( p_intf );
 180
 181     return( 0 );
 182 }
 183
 184 //---------------------------------------------------------------------------
 185 // Close: destroy interface
 186 //---------------------------------------------------------------------------
 187 static void Close ( vlc_object_t *p_this )
 188 {
 189     intf_thread_t *p_intf = (intf_thread_t *)p_this;
 190
 191     if( p_intf->p_sys->p_input )
 192     {
 193         vlc_object_release( p_intf->p_sys->p_input );
 194     }
 195
 196     if( p_intf->p_sys->p_playlist )
 197     {
 198         vlc_object_release( p_intf->p_sys->p_playlist );
 199     }
 200
 201     // Delete theme, it's important to do it correctly
 202     delete (OSTheme *)p_intf->p_sys->p_theme;
 203
 204 #if defined X11_SKINS
 205     XDestroyWindow( p_intf->p_sys->display, p_intf->p_sys->mainWin );
 206
 207     // There is a bug in imlib2 which prevents us from closing the display
 208     // (__imlib_RenderImage() can free old GC with already closed display)
 209     //XCloseDisplay( p_intf->p_sys->display );
 210 #endif
 211
 212     // Unsuscribe to messages bank
 213     msg_Unsubscribe( p_intf, p_intf->p_sys->p_sub );
 214
 215 #ifdef WIN32
 216     // Unload msimg32.dll and user32.dll
 217     if( p_intf->p_sys->h_msimg32_dll )
 218         FreeLibrary( p_intf->p_sys->h_msimg32_dll );
 219     if( p_intf->p_sys->h_user32_dll )
 220         FreeLibrary( p_intf->p_sys->h_user32_dll );
 221 #elif defined X11_SKINS
 222     vlc_mutex_destroy( &p_intf->p_sys->xlock );
 223 #endif
 224
 225     // Destroy structure
 226     free( p_intf->p_sys );
 227 }
 228
 229
 230 //---------------------------------------------------------------------------
 231 // Run: main loop
 232 //---------------------------------------------------------------------------
 233 static void Run( intf_thread_t *p_intf )
 234 {
 235
 236     int a = OSAPI_GetTime();
 237
 238     // Initialize the dialog boxes
 239     p_intf->p_sys->p_dialogs = new Dialogs( p_intf );
 240     if( !p_intf->p_sys->p_dialogs ) return;
 241
 242     // Load a theme
 243     char *skin_last = config_GetPsz( p_intf, "skin_last" );
 244     ThemeLoader *Loader = new ThemeLoader( p_intf );
 245
 246     if( skin_last == NULL || ! Loader->Load( skin_last ) )
 247     {
 248         // Too bad, it failed. Let's try with the default theme
 249 //        if( ! Loader->Load( DEFAULT_SKIN_FILE ) )
 250 #ifdef WIN32
 251         string default_dir = (string)p_intf->p_libvlc->psz_vlcpath +
 252                              DIRECTORY_SEPARATOR + "skins" +
 253                              DIRECTORY_SEPARATOR + "default" +
 254                              DIRECTORY_SEPARATOR + "theme.xml";
 255         if( ! Loader->Load( default_dir ) )
 256         {
 257             // Last chance: the user can  select a new theme file
 258 #else
 259         string user_skin = (string)p_intf->p_vlc->psz_homedir +
 260                               DIRECTORY_SEPARATOR + CONFIG_DIR +
 261                               DIRECTORY_SEPARATOR + "skins" +
 262                               DIRECTORY_SEPARATOR + "default" +
 263                               DIRECTORY_SEPARATOR + "theme.xml";
 264
 265         string default_skin = (string)DATA_PATH +
 266                               DIRECTORY_SEPARATOR + "skins" +
 267                               DIRECTORY_SEPARATOR + "default" +
 268                               DIRECTORY_SEPARATOR + "theme.xml";
 269         if( !Loader->Load( user_skin ) && !Loader->Load( default_skin ) )
 270         {
 271 #endif
 272             p_intf->p_sys->p_dialogs->ShowOpenSkin( 1 /* block */ );
 273
 274             // try to load selected file
 275             if( !p_intf->p_sys->p_new_theme_file ||
 276                 !Loader->Load( (string)p_intf->p_sys->p_new_theme_file ) )
 277             {
 278                 // He, he, what the hell is he doing ?
 279                 delete Loader;
 280                 delete p_intf->p_sys->p_dialogs;
 281                 if( skin_last ) free( skin_last );
 282                 return;
 283             }
 284         }
 285     }
 286
 287     // Show the theme
 288     p_intf->p_sys->p_theme->InitTheme();
 289     p_intf->p_sys->p_theme->ShowTheme();
 290
 291     if( skin_last ) free( skin_last );
 292     delete Loader;
 293
 294     msg_Dbg( p_intf, "Load theme time : %i ms", OSAPI_GetTime() - a );
 295
 296     OSAPI_PostMessage( NULL, VLC_INTF_REFRESH, 0, (int)true );
 297
 298     OSRun( p_intf );
 299
 300     // clean up the dialog boxes
 301     delete p_intf->p_sys->p_dialogs;
 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     set_program( "svlc" );
 329 vlc_module_end();
 330
 331
 332 //---------------------------------------------------------------------------
 333 // Refresh procedure
 334 //---------------------------------------------------------------------------
 335 int SkinManage( intf_thread_t *p_intf )
 336 {
 337     vlc_mutex_lock( &p_intf->change_lock );
 338
 339     // Update the input
 340     if( p_intf->p_sys->p_input == NULL )
 341     {
 342         p_intf->p_sys->p_input = (input_thread_t *)
 343                     vlc_object_find( p_intf, VLC_OBJECT_INPUT, FIND_ANYWHERE );
 344     }
 345     else if( p_intf->p_sys->p_input->b_dead )
 346     {
 347         vlc_object_release( p_intf->p_sys->p_input );
 348         p_intf->p_sys->p_input = NULL;
 349     }
 350
 351     //-------------------------------------------------------------------------
 352     if( p_intf->p_sys->p_input != NULL && !p_intf->p_sys->p_input->b_die )
 353     {
 354         input_thread_t  * p_input = p_intf->p_sys->p_input;
 355
 356         vlc_mutex_lock( &p_input->stream.stream_lock );
 357
 358         // Refresh sound volume
 359         audio_volume_t volume;
 360
 361         // Get sound volume from VLC
 362         aout_VolumeGet( p_intf, &volume);
 363
 364         // Update sliders
 365         OSAPI_PostMessage( NULL, CTRL_SET_SLIDER,
 366             (unsigned int)
 367             p_intf->p_sys->p_theme->EvtBank->Get( "volume_refresh" ),
 368             (long)( volume * SLIDER_RANGE / (AOUT_VOLUME_DEFAULT * 2) ) );
 369
 370         // Refresh slider
 371         // if( p_input->stream.b_seekable && p_intf->p_sys->b_playing )
 372 #define p_area p_input->stream.p_selected_area
 373         if( p_input->stream.b_seekable && p_area->i_size )
 374         {
 375
 376             // Set value of sliders
 377             long Value = SLIDER_RANGE * p_area->i_tell / p_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[MSTRTIME_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 }