libvo/w32_common.c

   1 #include <stdio.h>
   2 #include <limits.h>
   3 #include <windows.h>
   4 #include <windowsx.h>
   5
   6 // To get "#define vo_ontop global_vo->opts->vo_ontop" etc
   7 #include "old_vo_defines.h"
   8 #include "osdep/keycodes.h"
   9 #include "input/input.h"
  10 #include "input/mouse.h"
  11 #include "mp_msg.h"
  12 #include "video_out.h"
  13 #include "aspect.h"
  14 #include "w32_common.h"
  15 #include "mp_fifo.h"
  16
  17 extern int enable_mouse_movements;
  18
  19 #ifndef MONITOR_DEFAULTTOPRIMARY
  20 #define MONITOR_DEFAULTTOPRIMARY 1
  21 #endif
  22
  23 static const char classname[] = "MPlayer - Media player for Win32";
  24 int vo_vm = 0;
  25
  26 static int depthonscreen;
  27 // last non-fullscreen extends
  28 static int prev_width;
  29 static int prev_height;
  30 static int prev_x;
  31 static int prev_y;
  32
  33 static uint32_t o_dwidth;
  34 static uint32_t o_dheight;
  35
  36 static HINSTANCE hInstance;
  37 #define vo_window vo_w32_window
  38 HWND vo_window = 0;
  39 static int event_flags;
  40 static int mon_cnt;
  41
  42 static HMONITOR (WINAPI* myMonitorFromWindow)(HWND, DWORD);
  43 static BOOL (WINAPI* myGetMonitorInfo)(HMONITOR, LPMONITORINFO);
  44 static BOOL (WINAPI* myEnumDisplayMonitors)(HDC, LPCRECT, MONITORENUMPROC, LPARAM);
  45
  46 static const struct keymap vk_map[] = {
  47     // special keys
  48     {VK_ESCAPE, KEY_ESC}, {VK_BACK, KEY_BS}, {VK_TAB, KEY_TAB}, {VK_CONTROL, KEY_CTRL},
  49
  50     // cursor keys
  51     {VK_LEFT, KEY_LEFT}, {VK_UP, KEY_UP}, {VK_RIGHT, KEY_RIGHT}, {VK_DOWN, KEY_DOWN},
  52
  53     // navigation block
  54     {VK_INSERT, KEY_INSERT}, {VK_DELETE, KEY_DELETE}, {VK_HOME, KEY_HOME}, {VK_END, KEY_END},
  55     {VK_PRIOR, KEY_PAGE_UP}, {VK_NEXT, KEY_PAGE_DOWN},
  56
  57     // F-keys
  58     {VK_F1, KEY_F+1}, {VK_F2, KEY_F+2}, {VK_F3, KEY_F+3}, {VK_F4, KEY_F+4},
  59     {VK_F5, KEY_F+5}, {VK_F6, KEY_F+6}, {VK_F7, KEY_F+7}, {VK_F8, KEY_F+8},
  60     {VK_F9, KEY_F+9}, {VK_F10, KEY_F+10}, {VK_F11, KEY_F+11}, {VK_F1, KEY_F+12},
  61     // numpad
  62     {VK_NUMPAD0, KEY_KP0}, {VK_NUMPAD1, KEY_KP1}, {VK_NUMPAD2, KEY_KP2},
  63     {VK_NUMPAD3, KEY_KP3}, {VK_NUMPAD4, KEY_KP4}, {VK_NUMPAD5, KEY_KP5},
  64     {VK_NUMPAD6, KEY_KP6}, {VK_NUMPAD7, KEY_KP7}, {VK_NUMPAD8, KEY_KP8},
  65     {VK_NUMPAD9, KEY_KP9}, {VK_DECIMAL, KEY_KPDEC},
  66
  67     {0, 0}
  68 };
  69
  70 static LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) {
  71     RECT r;
  72     POINT p;
  73     int mpkey;
  74     switch (message) {
  75         case WM_ERASEBKGND: // no need to erase background seperately
  76             return 1;
  77         case WM_PAINT:
  78             event_flags |= VO_EVENT_EXPOSE;
  79             break;
  80         case WM_MOVE:
  81             p.x = 0;
  82             p.y = 0;
  83             ClientToScreen(vo_window, &p);
  84             vo_dx = p.x;
  85             vo_dy = p.y;
  86             break;
  87         case WM_SIZE:
  88             event_flags |= VO_EVENT_RESIZE;
  89             GetClientRect(vo_window, &r);
  90             vo_dwidth = r.right;
  91             vo_dheight = r.bottom;
  92             break;
  93         case WM_WINDOWPOSCHANGING:
  94             if (vo_keepaspect && !vo_fs) {
  95               WINDOWPOS *wpos = lParam;
  96               int xborder, yborder;
  97               RECT r2;
  98               GetClientRect(vo_window, &r);
  99               GetWindowRect(vo_window, &r2);
 100               xborder = (r2.right - r2.left) - (r.right - r.left);
 101               yborder = (r2.bottom - r2.top) - (r.bottom - r.top);
 102               wpos->cx -= xborder; wpos->cy -= yborder;
 103               aspect_fit(global_vo, &wpos->cx, &wpos->cy, wpos->cx, wpos->cy);
 104               wpos->cx += xborder; wpos->cy += yborder;
 105             }
 106             return 0;
 107         case WM_CLOSE:
 108             mplayer_put_key(KEY_CLOSE_WIN);
 109             break;
 110         case WM_SYSCOMMAND:
 111             switch (wParam) {
 112                 case SC_SCREENSAVE:
 113                 case SC_MONITORPOWER:
 114                     mp_msg(MSGT_VO, MSGL_V, "vo: win32: killing screensaver\n");
 115                     return 0;
 116             }
 117             break;
 118         case WM_KEYDOWN:
 119             mpkey = lookup_keymap_table(vk_map, wParam);
 120             if (mpkey)
 121                 mplayer_put_key(mpkey);
 122             break;
 123         case WM_CHAR:
 124             mplayer_put_key(wParam);
 125             break;
 126         case WM_LBUTTONDOWN:
 127             if (!vo_nomouse_input && (vo_fs || (wParam & MK_CONTROL))) {
 128                 mplayer_put_key(MOUSE_BTN0);
 129                 break;
 130             }
 131             if (!vo_fs) {
 132                 ReleaseCapture();
 133                 SendMessage(hWnd, WM_NCLBUTTONDOWN, HTCAPTION, 0);
 134                 return 0;
 135             }
 136             break;
 137         case WM_MBUTTONDOWN:
 138             if (!vo_nomouse_input)
 139                 mplayer_put_key(MOUSE_BTN1);
 140             break;
 141         case WM_RBUTTONDOWN:
 142             if (!vo_nomouse_input)
 143                 mplayer_put_key(MOUSE_BTN2);
 144             break;
 145         case WM_MOUSEMOVE:
 146             if (enable_mouse_movements) {
 147                 char cmd_str[40];
 148                 snprintf(cmd_str, sizeof(cmd_str), "set_mouse_pos %i %i",
 149                         GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
 150                 mp_input_queue_cmd(global_vo->input_ctx, mp_input_parse_cmd(cmd_str));
 151             }
 152             break;
 153         case WM_MOUSEWHEEL:
 154             if (!vo_nomouse_input) {
 155                 int x = GET_WHEEL_DELTA_WPARAM(wParam);
 156                 if (x > 0)
 157                     mplayer_put_key(MOUSE_BTN3);
 158                 else
 159                     mplayer_put_key(MOUSE_BTN4);
 160                 break;
 161             }
 162     }
 163
 164     return DefWindowProc(hWnd, message, wParam, lParam);
 165 }
 166
 167 /**
 168  * \brief Dispatch incoming window events and handle them.
 169  *
 170  * This function should be placed inside libvo's function "check_events".
 171  *
 172  * Global libvo variables changed:
 173  * vo_dwidth:  new window client area width
 174  * vo_dheight: new window client area height
 175  *
 176  * \return int with these flags possibly set, take care to handle in the right order
 177  *         if it matters in your driver:
 178  *
 179  * VO_EVENT_RESIZE = The window was resized. If necessary reinit your
 180  *                   driver render context accordingly.
 181  * VO_EVENT_EXPOSE = The window was exposed. Call e.g. flip_frame() to redraw
 182  *                   the window if the movie is paused.
 183  */
 184 int vo_w32_check_events(void) {
 185     MSG msg;
 186     event_flags = 0;
 187     while (PeekMessage(&msg, 0, 0, 0, PM_REMOVE)) {
 188         TranslateMessage(&msg);
 189         DispatchMessage(&msg);
 190     }
 191     if (WinID >= 0) {
 192         RECT r;
 193         GetClientRect(vo_window, &r);
 194         if (r.right != vo_dwidth || r.bottom != vo_dheight) {
 195             vo_dwidth = r.right; vo_dheight = r.bottom;
 196             event_flags |= VO_EVENT_RESIZE;
 197         }
 198         GetClientRect(WinID, &r);
 199         if (r.right != vo_dwidth || r.bottom != vo_dheight)
 200             MoveWindow(vo_window, 0, 0, r.right, r.bottom, FALSE);
 201     }
 202
 203     return event_flags;
 204 }
 205
 206 static BOOL CALLBACK mon_enum(HMONITOR hmon, HDC hdc, LPRECT r, LPARAM p) {
 207     // this defaults to the last screen if specified number does not exist
 208     xinerama_x = r->left;
 209     xinerama_y = r->top;
 210     vo_screenwidth = r->right - r->left;
 211     vo_screenheight = r->bottom - r->top;
 212     if (mon_cnt == xinerama_screen)
 213         return FALSE;
 214     mon_cnt++;
 215     return TRUE;
 216 }
 217
 218 /**
 219  * \brief Update screen information.
 220  *
 221  * This function should be called in libvo's "control" callback
 222  * with parameter VOCTRL_UPDATE_SCREENINFO.
 223  * Note that this also enables the new API where geometry and aspect
 224  * calculations are done in video_out.c:config_video_out
 225  *
 226  * Global libvo variables changed:
 227  * xinerama_x
 228  * xinerama_y
 229  * vo_screenwidth
 230  * vo_screenheight
 231  */
 232 void w32_update_xinerama_info(void) {
 233     xinerama_x = xinerama_y = 0;
 234     if (xinerama_screen < -1) {
 235         int tmp;
 236         xinerama_x = GetSystemMetrics(SM_XVIRTUALSCREEN);
 237         xinerama_y = GetSystemMetrics(SM_YVIRTUALSCREEN);
 238         tmp = GetSystemMetrics(SM_CXVIRTUALSCREEN);
 239         if (tmp) vo_screenwidth = tmp;
 240         tmp = GetSystemMetrics(SM_CYVIRTUALSCREEN);
 241         if (tmp) vo_screenheight = tmp;
 242     } else if (xinerama_screen == -1 && myMonitorFromWindow && myGetMonitorInfo) {
 243         MONITORINFO mi;
 244         HMONITOR m = myMonitorFromWindow(vo_window, MONITOR_DEFAULTTOPRIMARY);
 245         mi.cbSize = sizeof(mi);
 246         myGetMonitorInfo(m, &mi);
 247         xinerama_x = mi.rcMonitor.left;
 248         xinerama_y = mi.rcMonitor.top;
 249         vo_screenwidth = mi.rcMonitor.right - mi.rcMonitor.left;
 250         vo_screenheight = mi.rcMonitor.bottom - mi.rcMonitor.top;
 251     } else if (xinerama_screen > 0 && myEnumDisplayMonitors) {
 252         mon_cnt = 0;
 253         myEnumDisplayMonitors(NULL, NULL, mon_enum, 0);
 254     }
 255     aspect_save_screenres(vo_screenwidth, vo_screenheight);
 256 }
 257
 258 static void updateScreenProperties(void) {
 259     DEVMODE dm;
 260     dm.dmSize = sizeof dm;
 261     dm.dmDriverExtra = 0;
 262     dm.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
 263     if (!EnumDisplaySettings(0, ENUM_CURRENT_SETTINGS, &dm)) {
 264         mp_msg(MSGT_VO, MSGL_ERR, "vo: win32: unable to enumerate display settings!\n");
 265         return;
 266     }
 267
 268     vo_screenwidth = dm.dmPelsWidth;
 269     vo_screenheight = dm.dmPelsHeight;
 270     depthonscreen = dm.dmBitsPerPel;
 271     w32_update_xinerama_info();
 272 }
 273
 274 static void changeMode(void) {
 275     DEVMODE dm;
 276     dm.dmSize = sizeof dm;
 277     dm.dmDriverExtra = 0;
 278
 279     dm.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
 280     dm.dmBitsPerPel = depthonscreen;
 281     dm.dmPelsWidth = vo_screenwidth;
 282     dm.dmPelsHeight = vo_screenheight;
 283
 284     if (vo_vm) {
 285         int bestMode = -1;
 286         int bestScore = INT_MAX;
 287         int i;
 288         for (i = 0; EnumDisplaySettings(0, i, &dm); ++i) {
 289             int score = (dm.dmPelsWidth - o_dwidth) * (dm.dmPelsHeight - o_dheight);
 290             if (dm.dmBitsPerPel != depthonscreen) continue;
 291             if (dm.dmPelsWidth < o_dwidth) continue;
 292             if (dm.dmPelsHeight < o_dheight) continue;
 293
 294             if (score < bestScore) {
 295                 bestScore = score;
 296                 bestMode = i;
 297             }
 298         }
 299
 300         if (bestMode != -1)
 301             EnumDisplaySettings(0, bestMode, &dm);
 302
 303     ChangeDisplaySettings(&dm, CDS_FULLSCREEN);
 304     }
 305 }
 306
 307 static void resetMode(void) {
 308     if (vo_vm)
 309     ChangeDisplaySettings(0, 0);
 310 }
 311
 312 static int createRenderingContext(void) {
 313     HWND layer = HWND_NOTOPMOST;
 314     PIXELFORMATDESCRIPTOR pfd;
 315     HDC vo_hdc = GetDC(vo_window);
 316     RECT r;
 317     int pf;
 318   if (WinID < 0) {
 319     int style = (vo_border && !vo_fs) ?
 320                 (WS_OVERLAPPEDWINDOW | WS_SIZEBOX) : WS_POPUP;
 321
 322     if (vo_fs || vo_ontop) layer = HWND_TOPMOST;
 323     if (vo_fs) {
 324         changeMode();
 325         while (ShowCursor(0) >= 0) /**/ ;
 326     } else {
 327         resetMode();
 328         while (ShowCursor(1) < 0) /**/ ;
 329     }
 330     updateScreenProperties();
 331     ShowWindow(vo_window, SW_HIDE);
 332     SetWindowLong(vo_window, GWL_STYLE, style);
 333     if (vo_fs) {
 334         prev_width = vo_dwidth;
 335         prev_height = vo_dheight;
 336         prev_x = vo_dx;
 337         prev_y = vo_dy;
 338         vo_dwidth = vo_screenwidth;
 339         vo_dheight = vo_screenheight;
 340         vo_dx = xinerama_x;
 341         vo_dy = xinerama_y;
 342     } else {
 343         // make sure there are no "stale" resize events
 344         // that would set vo_d* to wrong values
 345         vo_w32_check_events();
 346         vo_dwidth = prev_width;
 347         vo_dheight = prev_height;
 348         vo_dx = prev_x;
 349         vo_dy = prev_y;
 350         // HACK around what probably is a windows focus bug:
 351         // when pressing 'f' on the console, then 'f' again to
 352         // return to windowed mode, any input into the video
 353         // window is lost forever.
 354         SetFocus(vo_window);
 355     }
 356     r.left = vo_dx;
 357     r.right = r.left + vo_dwidth;
 358     r.top = vo_dy;
 359     r.bottom = r.top + vo_dheight;
 360     AdjustWindowRect(&r, style, 0);
 361     SetWindowPos(vo_window, layer, r.left, r.top, r.right - r.left, r.bottom - r.top, SWP_SHOWWINDOW);
 362   }
 363
 364     memset(&pfd, 0, sizeof pfd);
 365     pfd.nSize = sizeof pfd;
 366     pfd.nVersion = 1;
 367     pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
 368     pfd.iPixelType = PFD_TYPE_RGBA;
 369     pfd.cColorBits = 24;
 370     pfd.iLayerType = PFD_MAIN_PLANE;
 371     pf = ChoosePixelFormat(vo_hdc, &pfd);
 372     if (!pf) {
 373             mp_msg(MSGT_VO, MSGL_ERR, "vo: win32: unable to select a valid pixel format!\n");
 374         ReleaseDC(vo_window, vo_hdc);
 375         return 0;
 376     }
 377
 378     SetPixelFormat(vo_hdc, pf, &pfd);
 379
 380     mp_msg(MSGT_VO, MSGL_V, "vo: win32: running at %dx%d with depth %d\n", vo_screenwidth, vo_screenheight, depthonscreen);
 381
 382     ReleaseDC(vo_window, vo_hdc);
 383     return 1;
 384 }
 385
 386 /**
 387  * \brief Configure and show window on the screen.
 388  *
 389  * This function should be called in libvo's "config" callback.
 390  * It configures a window and shows it on the screen.
 391  *
 392  * Global libvo variables changed:
 393  * vo_fs
 394  * vo_vm
 395  *
 396  * \return 1 - Success, 0 - Failure
 397  */
 398 int vo_w32_config(uint32_t width, uint32_t height, uint32_t flags) {
 399     // store original size for videomode switching
 400     o_dwidth = width;
 401     o_dheight = height;
 402
 403     if (WinID < 0) {
 404         // the desired size is ignored in wid mode, it always matches the window size.
 405         prev_width = vo_dwidth = width;
 406         prev_height = vo_dheight = height;
 407         prev_x = vo_dx;
 408         prev_y = vo_dy;
 409     }
 410
 411     vo_fs = flags & VOFLAG_FULLSCREEN;
 412     vo_vm = flags & VOFLAG_MODESWITCHING;
 413     return createRenderingContext();
 414 }
 415
 416 /**
 417  * \brief Initialize w32_common framework.
 418  *
 419  * The first function that should be called from the w32_common framework.
 420  * It handles window creation on the screen with proper title and attributes.
 421  * It also initializes the framework's internal variables. The function should
 422  * be called after your own preinit initialization and you shouldn't do any
 423  * window management on your own.
 424  *
 425  * Global libvo variables changed:
 426  * vo_w32_window
 427  * vo_depthonscreen
 428  * vo_screenwidth
 429  * vo_screenheight
 430  *
 431  * \return 1 = Success, 0 = Failure
 432  */
 433 int vo_w32_init(void) {
 434     HICON mplayerIcon = 0;
 435     char exedir[MAX_PATH];
 436     HINSTANCE user32;
 437
 438     if (vo_window)
 439         return 1;
 440
 441     hInstance = GetModuleHandle(0);
 442
 443     if (GetModuleFileName(0, exedir, MAX_PATH))
 444         mplayerIcon = ExtractIcon(hInstance, exedir, 0);
 445     if (!mplayerIcon)
 446         mplayerIcon = LoadIcon(0, IDI_APPLICATION);
 447
 448   {
 449     WNDCLASSEX wcex = { sizeof wcex, CS_OWNDC | CS_DBLCLKS, WndProc, 0, 0, hInstance, mplayerIcon, LoadCursor(0, IDC_ARROW), NULL, 0, classname, mplayerIcon };
 450
 451     if (!RegisterClassEx(&wcex)) {
 452         mp_msg(MSGT_VO, MSGL_ERR, "vo: win32: unable to register window class!\n");
 453         return 0;
 454     }
 455   }
 456
 457     if (WinID >= 0)
 458     {
 459         RECT r;
 460         GetClientRect(WinID, &r);
 461         vo_dwidth = r.right; vo_dheight = r.bottom;
 462         vo_window = CreateWindowEx(WS_EX_NOPARENTNOTIFY, classname, classname,
 463                      WS_CHILD | WS_VISIBLE,
 464                      0, 0, vo_dwidth, vo_dheight, WinID, 0, hInstance, 0);
 465         EnableWindow(vo_window, 0);
 466     } else
 467     vo_window = CreateWindowEx(0, classname, classname,
 468                   vo_border ? (WS_OVERLAPPEDWINDOW | WS_SIZEBOX) : WS_POPUP,
 469                   CW_USEDEFAULT, 0, 100, 100, 0, 0, hInstance, 0);
 470     if (!vo_window) {
 471         mp_msg(MSGT_VO, MSGL_ERR, "vo: win32: unable to create window!\n");
 472         return 0;
 473     }
 474
 475     myMonitorFromWindow = NULL;
 476     myGetMonitorInfo = NULL;
 477     myEnumDisplayMonitors = NULL;
 478     user32 = GetModuleHandle("user32.dll");
 479     if (user32) {
 480         myMonitorFromWindow = (void *)GetProcAddress(user32, "MonitorFromWindow");
 481         myGetMonitorInfo = GetProcAddress(user32, "GetMonitorInfoA");
 482         myEnumDisplayMonitors = GetProcAddress(user32, "EnumDisplayMonitors");
 483     }
 484     updateScreenProperties();
 485
 486     return 1;
 487 }
 488
 489 /**
 490  * \brief Toogle fullscreen / windowed mode.
 491  *
 492  * Should be called on VOCTRL_FULLSCREEN event. The window is
 493  * always resized after this call, so the rendering context
 494  * should be reinitialized with the new dimensions.
 495  * It is unspecified if vo_check_events will create a resize
 496  * event in addition or not.
 497  *
 498  * Global libvo variables changed:
 499  * vo_dwidth
 500  * vo_dheight
 501  * vo_fs
 502  */
 503
 504 void vo_w32_fullscreen(void) {
 505     vo_fs = !vo_fs;
 506
 507     createRenderingContext();
 508 }
 509
 510 /**
 511  * \brief Toogle window border attribute.
 512  *
 513  * Should be called on VOCTRL_BORDER event.
 514  *
 515  * Global libvo variables changed:
 516  * vo_border
 517  */
 518 void vo_w32_border(void) {
 519     vo_border = !vo_border;
 520     createRenderingContext();
 521 }
 522
 523 /**
 524  * \brief Toogle window ontop attribute.
 525  *
 526  * Should be called on VOCTRL_ONTOP event.
 527  *
 528  * Global libvo variables changed:
 529  * vo_ontop
 530  */
 531 void vo_w32_ontop( void )
 532 {
 533     vo_ontop = !vo_ontop;
 534     if (!vo_fs) {
 535         createRenderingContext();
 536     }
 537 }
 538
 539 /**
 540  * \brief Uninitialize w32_common framework.
 541  *
 542  * Should be called last in video driver's uninit function. First release
 543  * anything built on top of the created window e.g. rendering context inside
 544  * and call vo_w32_uninit at the end.
 545  */
 546 void vo_w32_uninit(void) {
 547     mp_msg(MSGT_VO, MSGL_V, "vo: win32: uninit\n");
 548     resetMode();
 549     ShowCursor(1);
 550     depthonscreen = 0;
 551     DestroyWindow(vo_window);
 552     vo_window = 0;
 553     UnregisterClass(classname, 0);
 554 }