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 1.46 2003/07/18 20:06:00 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     p_intf->p_sys->pf_showdialog = Dialogs::ShowDialog;
  91
  92
  93     // Suscribe to messages bank
  94     p_intf->p_sys->p_sub = msg_Subscribe( p_intf );
  95
  96     // Set no new theme when opening file
  97     p_intf->p_sys->p_new_theme_file = NULL;
  98
  99     // Initialize info on playlist
 100     p_intf->p_sys->i_index        = -1;
 101     p_intf->p_sys->i_size         = 0;
 102
 103     p_intf->p_sys->i_close_status = VLC_NOTHING;
 104
 105     p_intf->p_sys->p_input = NULL;
 106     p_intf->p_sys->p_playlist = (playlist_t *)vlc_object_find( p_intf,
 107         VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
 108
 109 #if defined X11_SKINS
 110     // Initialize X11
 111     Display *display = XOpenDisplay( NULL );
 112     p_intf->p_sys->display = display;
 113     vlc_mutex_init( p_intf, &p_intf->p_sys->xlock );
 114     // Fake window to receive broadcast events
 115     Window root = DefaultRootWindow( display );
 116     p_intf->p_sys->mainWin = XCreateSimpleWindow( display, root, 0, 0,
 117                                                   1, 1, 0, 0, 0 );
 118     XStoreName( display, p_intf->p_sys->mainWin, "VLC Media Player" );
 119
 120     // Load the vlc icon
 121     int screen = DefaultScreen( display );
 122     Screen *screenptr = DefaultScreenOfDisplay( display );
 123     Visual *visual = DefaultVisualOfScreen( screenptr );
 124     imlib_context_set_display( display );
 125     imlib_context_set_visual( visual );
 126     imlib_context_set_drawable( root );
 127     imlib_context_set_colormap( DefaultColormap( display, screen ) );
 128     imlib_context_set_dither( 1 );
 129     imlib_context_set_blend( 1 );
 130     Imlib_Image img = imlib_load_image_immediately( DATA_PATH"/vlc32x32.png" );
 131     if( img == NULL )
 132     {
 133         // for developers ;)
 134         img = imlib_load_image_immediately( "./share/vlc32x32.png" );
 135     }
 136     if( img == NULL )
 137     {
 138         msg_Err( p_intf, "loading vlc icon failed" );
 139         p_intf->p_sys->iconPixmap = None;
 140         p_intf->p_sys->iconMask = None;
 141     }
 142     else
 143     {
 144         imlib_context_set_image( img );
 145         imlib_render_pixmaps_for_whole_image( &p_intf->p_sys->iconPixmap,
 146                                               &p_intf->p_sys->iconMask );
 147         imlib_free_image();
 148     }
 149
 150
 151 #elif defined WIN32
 152     // Interface thread id used to post broadcast messages
 153     p_intf->p_sys->dwThreadId = GetCurrentThreadId();
 154
 155     // We dynamically load msimg32.dll to get a pointer to TransparentBlt()
 156     p_intf->p_sys->h_msimg32_dll = LoadLibrary("msimg32.dll");
 157     if( !p_intf->p_sys->h_msimg32_dll ||
 158         !( p_intf->p_sys->TransparentBlt =
 159            (BOOL (WINAPI*)(HDC,int,int,int,int,HDC,
 160                            int,int,int,int,unsigned int))
 161            GetProcAddress( p_intf->p_sys->h_msimg32_dll, "TransparentBlt" ) ) )
 162     {
 163         p_intf->p_sys->TransparentBlt = NULL;
 164         msg_Dbg( p_intf, "Couldn't find TransparentBlt(), "
 165                  "falling back to BitBlt()" );
 166     }
 167
 168     // idem for user32.dll and SetLayeredWindowAttributes()
 169     p_intf->p_sys->h_user32_dll = LoadLibrary("user32.dll");
 170     if( !p_intf->p_sys->h_user32_dll ||
 171         !( p_intf->p_sys->SetLayeredWindowAttributes =
 172            (BOOL (WINAPI *)(HWND,COLORREF,BYTE,DWORD))
 173            GetProcAddress( p_intf->p_sys->h_user32_dll,
 174                            "SetLayeredWindowAttributes" ) ) )
 175     {
 176         p_intf->p_sys->SetLayeredWindowAttributes = NULL;
 177         msg_Dbg( p_intf, "Couldn't find SetLayeredWindowAttributes()" );
 178     }
 179
 180 #endif
 181
 182     p_intf->p_sys->p_theme = (Theme *)new OSTheme( p_intf );
 183
 184     return( 0 );
 185 }
 186
 187 //---------------------------------------------------------------------------
 188 // Close: destroy interface
 189 //---------------------------------------------------------------------------
 190 static void Close ( vlc_object_t *p_this )
 191 {
 192     intf_thread_t *p_intf = (intf_thread_t *)p_this;
 193
 194     if( p_intf->p_sys->p_input )
 195     {
 196         vlc_object_release( p_intf->p_sys->p_input );
 197     }
 198
 199     if( p_intf->p_sys->p_playlist )
 200     {
 201         vlc_object_release( p_intf->p_sys->p_playlist );
 202     }
 203
 204     // Delete theme, it's important to do it correctly
 205     delete (OSTheme *)p_intf->p_sys->p_theme;
 206
 207 #if defined X11_SKINS
 208     XDestroyWindow( p_intf->p_sys->display, p_intf->p_sys->mainWin );
 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 #if 0
 273 #if !defined(MODULE_NAME_IS_basic_skins)
 274             wxMutexGuiEnter();
 275             wxFileDialog dialog( NULL,
 276                 wxU(_("Open a skin file")), wxT(""), wxT(""),
 277                 wxT("Skin files (*.vlt)|*.vlt|Skin files (*.xml)|*.xml|"
 278                     "All files|*.*"), wxOPEN );
 279
 280             if( dialog.ShowModal() == wxID_OK )
 281             {
 282                 // try to load selected file
 283                 if( ! Loader->Load( (string)dialog.GetPath().mb_str() ) )
 284                 {
 285                     // He, he, what the hell is he doing ?
 286                     delete Loader;
 287                     wxMutexGuiLeave();
 288                     return;
 289                 }
 290                 wxMutexGuiLeave();
 291             }
 292             else
 293 #endif
 294 #endif
 295             {
 296                 delete Loader;
 297 #if 0
 298 #if !defined(MODULE_NAME_IS_basic_skins)
 299                 wxMutexGuiLeave();
 300 #endif
 301 #endif
 302                 return;
 303             }
 304         }
 305     }
 306
 307     // Show the theme
 308     p_intf->p_sys->p_theme->InitTheme();
 309     p_intf->p_sys->p_theme->ShowTheme();
 310
 311     delete Loader;
 312
 313     msg_Dbg( p_intf, "Load theme time : %i ms", OSAPI_GetTime() - a );
 314
 315     OSAPI_PostMessage( NULL, VLC_INTF_REFRESH, 0, (int)true );
 316
 317     OSRun( p_intf );
 318
 319     // clean up the dialog boxes
 320     delete p_intf->p_sys->p_dialogs;
 321 }
 322
 323 //---------------------------------------------------------------------------
 324 // Module descriptor
 325 //---------------------------------------------------------------------------
 326 #define DEFAULT_SKIN        N_("Last skin actually used")
 327 #define DEFAULT_SKIN_LONG   N_("Last skin actually used")
 328 #define SKIN_CONFIG         N_("Config of last used skin")
 329 #define SKIN_CONFIG_LONG    N_("Config of last used skin")
 330 #define SKIN_TRAY           N_("Show application in system tray")
 331 #define SKIN_TRAY_LONG      N_("Show application in system tray")
 332 #define SKIN_TASKBAR        N_("Show application in taskbar")
 333 #define SKIN_TASKBAR_LONG   N_("Show application in taskbar")
 334
 335 vlc_module_begin();
 336     add_string( "skin_last", "", NULL, DEFAULT_SKIN, DEFAULT_SKIN_LONG,
 337                 VLC_TRUE );
 338     add_string( "skin_config", "", NULL, SKIN_CONFIG, SKIN_CONFIG_LONG,
 339                 VLC_TRUE );
 340     add_bool( "show_in_tray", VLC_FALSE, NULL, SKIN_TRAY, SKIN_TRAY_LONG,
 341               VLC_FALSE );
 342     add_bool( "show_in_taskbar", VLC_TRUE, NULL, SKIN_TASKBAR,
 343               SKIN_TASKBAR_LONG, VLC_FALSE );
 344     set_description( _("Skinnable Interface") );
 345     set_capability( "interface", 30 );
 346     set_callbacks( Open, Close );
 347     set_program( "svlc" );
 348 vlc_module_end();
 349
 350
 351 //---------------------------------------------------------------------------
 352 // Refresh procedure
 353 //---------------------------------------------------------------------------
 354 int SkinManage( intf_thread_t *p_intf )
 355 {
 356     vlc_mutex_lock( &p_intf->change_lock );
 357
 358     // Update the input
 359     if( p_intf->p_sys->p_input == NULL )
 360     {
 361         p_intf->p_sys->p_input = (input_thread_t *)
 362                     vlc_object_find( p_intf, VLC_OBJECT_INPUT, FIND_ANYWHERE );
 363     }
 364     else if( p_intf->p_sys->p_input->b_dead )
 365     {
 366         vlc_object_release( p_intf->p_sys->p_input );
 367         p_intf->p_sys->p_input = NULL;
 368     }
 369
 370     //-------------------------------------------------------------------------
 371     if( p_intf->p_sys->p_input != NULL && !p_intf->p_sys->p_input->b_die )
 372     {
 373         input_thread_t  * p_input = p_intf->p_sys->p_input;
 374
 375         vlc_mutex_lock( &p_input->stream.stream_lock );
 376
 377         // Refresh sound volume
 378         audio_volume_t volume;
 379
 380         // Get sound volume from VLC
 381         aout_VolumeGet( p_intf, &volume);
 382
 383         // Update sliders
 384         OSAPI_PostMessage( NULL, CTRL_SET_SLIDER,
 385             (unsigned int)
 386             p_intf->p_sys->p_theme->EvtBank->Get( "volume_refresh" ),
 387             (long)( volume * SLIDER_RANGE / AOUT_VOLUME_MAX ) );
 388
 389         // Refresh slider
 390         // if( p_input->stream.b_seekable && p_intf->p_sys->b_playing )
 391         if( p_input->stream.b_seekable )
 392         {
 393 #define p_area p_input->stream.p_selected_area
 394
 395             // Set value of sliders
 396             long Value = SLIDER_RANGE *
 397                 p_input->stream.p_selected_area->i_tell /
 398                 p_input->stream.p_selected_area->i_size;
 399
 400             // Update sliders
 401             OSAPI_PostMessage( NULL, CTRL_SET_SLIDER, (unsigned int)
 402                 p_intf->p_sys->p_theme->EvtBank->Get( "time" ), (long)Value );
 403
 404             // Text char * for updating text controls
 405             char *text = new char[OFFSETTOTIME_MAX_SIZE];
 406
 407             // Create end time text
 408             input_OffsetToTime( p_intf->p_sys->p_input, &text[1],
 409                                 p_area->i_size - p_area->i_tell );
 410             text[0] = '-';
 411             p_intf->p_sys->p_theme->EvtBank->Get( "left_time" )
 412                 ->PostTextMessage( text );
 413
 414             // Create time text and update
 415             input_OffsetToTime( p_intf->p_sys->p_input, text, p_area->i_tell );
 416             p_intf->p_sys->p_theme->EvtBank->Get( "time" )
 417                 ->PostTextMessage( text );
 418
 419             // Create total time text
 420             input_OffsetToTime( p_intf->p_sys->p_input, text, p_area->i_size );
 421             p_intf->p_sys->p_theme->EvtBank->Get( "total_time" )
 422                 ->PostTextMessage( text );
 423
 424             // Free memory
 425             delete[] text;
 426
 427 #undef p_area
 428         }
 429         vlc_mutex_unlock( &p_input->stream.stream_lock );
 430     }
 431     //-------------------------------------------------------------------------
 432     vlc_mutex_unlock( &p_intf->change_lock );
 433
 434     return( VLC_TRUE );
 435 }