libvo/w32_common.c

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