libvo/w32_common.c

   1 /*
   2  * This file is part of MPlayer.
   3  *
   4  * MPlayer is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * MPlayer is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  */
  18
  19 #include <stdio.h>
  20 #include <limits.h>
  21 #include <windows.h>
  22 #include <windowsx.h>
  23
  24 // To get "#define vo_ontop global_vo->opts->vo_ontop" etc
  25 #include "old_vo_defines.h"
  26 #include "osdep/keycodes.h"
  27 #include "input/input.h"
  28 #include "input/mouse.h"
  29 #include "mp_msg.h"
  30 #include "video_out.h"
  31 #include "aspect.h"
  32 #include "w32_common.h"
  33 #include "mp_fifo.h"
  34
  35 extern int enable_mouse_movements;
  36
  37 #ifndef MONITOR_DEFAULTTOPRIMARY
  38 #define MONITOR_DEFAULTTOPRIMARY 1
  39 #endif
  40
  41 static const char classname[] = "MPlayer - The Movie Player";
  42 int vo_vm = 0;
  43
  44 static int depthonscreen;
  45 // last non-fullscreen extends
  46 static int prev_width;
  47 static int prev_height;
  48 static int prev_x;
  49 static int prev_y;
  50
  51 static uint32_t o_dwidth;
  52 static uint32_t o_dheight;
  53
  54 static HINSTANCE hInstance;
  55 #define vo_window vo_w32_window
  56 HWND vo_window = 0;
  57 static int event_flags;
  58 static int mon_cnt;
  59
  60 static HMONITOR (WINAPI* myMonitorFromWindow)(HWND, DWORD);
  61 static BOOL (WINAPI* myGetMonitorInfo)(HMONITOR, LPMONITORINFO);
  62 static BOOL (WINAPI* myEnumDisplayMonitors)(HDC, LPCRECT, MONITORENUMPROC, LPARAM);
  63
  64 static const struct keymap vk_map[] = {
  65     // special keys
  66     {VK_ESCAPE, KEY_ESC}, {VK_BACK, KEY_BS}, {VK_TAB, KEY_TAB}, {VK_CONTROL, KEY_CTRL},
  67
  68     // cursor keys
  69     {VK_LEFT, KEY_LEFT}, {VK_UP, KEY_UP}, {VK_RIGHT, KEY_RIGHT}, {VK_DOWN, KEY_DOWN},
  70
  71     // navigation block
  72     {VK_INSERT, KEY_INSERT}, {VK_DELETE, KEY_DELETE}, {VK_HOME, KEY_HOME}, {VK_END, KEY_END},
  73     {VK_PRIOR, KEY_PAGE_UP}, {VK_NEXT, KEY_PAGE_DOWN},
  74
  75     // F-keys
  76     {VK_F1, KEY_F+1}, {VK_F2, KEY_F+2}, {VK_F3, KEY_F+3}, {VK_F4, KEY_F+4},
  77     {VK_F5, KEY_F+5}, {VK_F6, KEY_F+6}, {VK_F7, KEY_F+7}, {VK_F8, KEY_F+8},
  78     {VK_F9, KEY_F+9}, {VK_F10, KEY_F+10}, {VK_F11, KEY_F+11}, {VK_F1, KEY_F+12},
  79     // numpad
  80     {VK_NUMPAD0, KEY_KP0}, {VK_NUMPAD1, KEY_KP1}, {VK_NUMPAD2, KEY_KP2},
  81     {VK_NUMPAD3, KEY_KP3}, {VK_NUMPAD4, KEY_KP4}, {VK_NUMPAD5, KEY_KP5},
  82     {VK_NUMPAD6, KEY_KP6}, {VK_NUMPAD7, KEY_KP7}, {VK_NUMPAD8, KEY_KP8},
  83     {VK_NUMPAD9, KEY_KP9}, {VK_DECIMAL, KEY_KPDEC},
  84
  85     {0, 0}
  86 };
  87
  88 static LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) {
  89     RECT r;
  90     POINT p;
  91     int mpkey;
  92     switch (message) {
  93         case WM_ERASEBKGND: // no need to erase background seperately
  94             return 1;
  95         case WM_PAINT:
  96             event_flags |= VO_EVENT_EXPOSE;
  97             break;
  98         case WM_MOVE:
  99             p.x = 0;
 100             p.y = 0;
 101             ClientToScreen(vo_window, &p);
 102             vo_dx = p.x;
 103             vo_dy = p.y;
 104             break;
 105         case WM_SIZE:
 106             event_flags |= VO_EVENT_RESIZE;
 107             GetClientRect(vo_window, &r);
 108             vo_dwidth = r.right;
 109             vo_dheight = r.bottom;
 110             break;
 111         case WM_WINDOWPOSCHANGING:
 112             if (vo_keepaspect && !vo_fs) {
 113               WINDOWPOS *wpos = lParam;
 114               int xborder, yborder;
 115               r.left = r.top = 0;
 116               r.right = wpos->cx;
 117               r.bottom = wpos->cy;
 118               AdjustWindowRect(&r, GetWindowLong(vo_window, GWL_STYLE), 0);
 119               xborder = (r.right - r.left) - wpos->cx;
 120               yborder = (r.bottom - r.top) - wpos->cy;
 121               wpos->cx -= xborder; wpos->cy -= yborder;
 122               aspect_fit(global_vo, &wpos->cx, &wpos->cy, wpos->cx, wpos->cy);
 123               wpos->cx += xborder; wpos->cy += yborder;
 124             }
 125             return 0;
 126         case WM_CLOSE:
 127             mplayer_put_key(KEY_CLOSE_WIN);
 128             break;
 129         case WM_SYSCOMMAND:
 130             switch (wParam) {
 131                 case SC_SCREENSAVE:
 132                 case SC_MONITORPOWER:
 133                     mp_msg(MSGT_VO, MSGL_V, "vo: win32: killing screensaver\n");
 134                     return 0;
 135             }
 136             break;
 137         case WM_KEYDOWN:
 138             mpkey = lookup_keymap_table(vk_map, wParam);
 139             if (mpkey)
 140                 mplayer_put_key(mpkey);
 141             break;
 142         case WM_CHAR:
 143             mplayer_put_key(wParam);
 144             break;
 145         case WM_LBUTTONDOWN:
 146             if (!vo_nomouse_input && (vo_fs || (wParam & MK_CONTROL))) {
 147                 mplayer_put_key(MOUSE_BTN0);
 148                 break;
 149             }
 150             if (!vo_fs) {
 151                 ReleaseCapture();
 152                 SendMessage(hWnd, WM_NCLBUTTONDOWN, HTCAPTION, 0);
 153                 return 0;
 154             }
 155             break;
 156         case WM_MBUTTONDOWN:
 157             if (!vo_nomouse_input)
 158                 mplayer_put_key(MOUSE_BTN1);
 159             break;
 160         case WM_RBUTTONDOWN:
 161             if (!vo_nomouse_input)
 162                 mplayer_put_key(MOUSE_BTN2);
 163             break;
 164         case WM_MOUSEMOVE:
 165             if (enable_mouse_movements) {
 166                 char cmd_str[40];
 167                 snprintf(cmd_str, sizeof(cmd_str), "set_mouse_pos %i %i",
 168                         GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
 169                 mp_input_queue_cmd(global_vo->input_ctx, mp_input_parse_cmd(cmd_str));
 170             }
 171             break;
 172         case WM_MOUSEWHEEL:
 173             if (!vo_nomouse_input) {
 174                 int x = GET_WHEEL_DELTA_WPARAM(wParam);
 175                 if (x > 0)
 176                     mplayer_put_key(MOUSE_BTN3);
 177                 else
 178                     mplayer_put_key(MOUSE_BTN4);
 179                 break;
 180             }
 181     }
 182
 183     return DefWindowProc(hWnd, message, wParam, lParam);
 184 }
 185
 186 /**
 187  * \brief Dispatch incoming window events and handle them.
 188  *
 189  * This function should be placed inside libvo's function "check_events".
 190  *
 191  * Global libvo variables changed:
 192  * vo_dwidth:  new window client area width
 193  * vo_dheight: new window client area height
 194  *
 195  * \return int with these flags possibly set, take care to handle in the right order
 196  *         if it matters in your driver:
 197  *
 198  * VO_EVENT_RESIZE = The window was resized. If necessary reinit your
 199  *                   driver render context accordingly.
 200  * VO_EVENT_EXPOSE = The window was exposed. Call e.g. flip_frame() to redraw
 201  *                   the window if the movie is paused.
 202  */
 203 int vo_w32_check_events(void) {
 204     MSG msg;
 205     event_flags = 0;
 206     while (PeekMessage(&msg, 0, 0, 0, PM_REMOVE)) {
 207         TranslateMessage(&msg);
 208         DispatchMessage(&msg);
 209     }
 210     if (WinID >= 0) {
 211         RECT r;
 212         GetClientRect(vo_window, &r);
 213         if (r.right != vo_dwidth || r.bottom != vo_dheight) {
 214             vo_dwidth = r.right; vo_dheight = r.bottom;
 215             event_flags |= VO_EVENT_RESIZE;
 216         }
 217         GetClientRect(WinID, &r);
 218         if (r.right != vo_dwidth || r.bottom != vo_dheight)
 219             MoveWindow(vo_window, 0, 0, r.right, r.bottom, FALSE);
 220     }
 221
 222     return event_flags;
 223 }
 224
 225 static BOOL CALLBACK mon_enum(HMONITOR hmon, HDC hdc, LPRECT r, LPARAM p) {
 226     // this defaults to the last screen if specified number does not exist
 227     xinerama_x = r->left;
 228     xinerama_y = r->top;
 229     vo_screenwidth = r->right - r->left;
 230     vo_screenheight = r->bottom - r->top;
 231     if (mon_cnt == xinerama_screen)
 232         return FALSE;
 233     mon_cnt++;
 234     return TRUE;
 235 }
 236
 237 /**
 238  * \brief Update screen information.
 239  *
 240  * This function should be called in libvo's "control" callback
 241  * with parameter VOCTRL_UPDATE_SCREENINFO.
 242  * Note that this also enables the new API where geometry and aspect
 243  * calculations are done in video_out.c:config_video_out
 244  *
 245  * Global libvo variables changed:
 246  * xinerama_x
 247  * xinerama_y
 248  * vo_screenwidth
 249  * vo_screenheight
 250  */
 251 void w32_update_xinerama_info(void) {
 252     xinerama_x = xinerama_y = 0;
 253     if (xinerama_screen < -1) {
 254         int tmp;
 255         xinerama_x = GetSystemMetrics(SM_XVIRTUALSCREEN);
 256         xinerama_y = GetSystemMetrics(SM_YVIRTUALSCREEN);
 257         tmp = GetSystemMetrics(SM_CXVIRTUALSCREEN);
 258         if (tmp) vo_screenwidth = tmp;
 259         tmp = GetSystemMetrics(SM_CYVIRTUALSCREEN);
 260         if (tmp) vo_screenheight = tmp;
 261     } else if (xinerama_screen == -1 && myMonitorFromWindow && myGetMonitorInfo) {
 262         MONITORINFO mi;
 263         HMONITOR m = myMonitorFromWindow(vo_window, MONITOR_DEFAULTTOPRIMARY);
 264         mi.cbSize = sizeof(mi);
 265         myGetMonitorInfo(m, &mi);
 266         xinerama_x = mi.rcMonitor.left;
 267         xinerama_y = mi.rcMonitor.top;
 268         vo_screenwidth = mi.rcMonitor.right - mi.rcMonitor.left;
 269         vo_screenheight = mi.rcMonitor.bottom - mi.rcMonitor.top;
 270     } else if (xinerama_screen > 0 && myEnumDisplayMonitors) {
 271         mon_cnt = 0;
 272         myEnumDisplayMonitors(NULL, NULL, mon_enum, 0);
 273     }
 274     aspect_save_screenres(vo_screenwidth, vo_screenheight);
 275 }
 276
 277 static void updateScreenProperties(void) {
 278     DEVMODE dm;
 279     dm.dmSize = sizeof dm;
 280     dm.dmDriverExtra = 0;
 281     dm.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
 282     if (!EnumDisplaySettings(0, ENUM_CURRENT_SETTINGS, &dm)) {
 283         mp_msg(MSGT_VO, MSGL_ERR, "vo: win32: unable to enumerate display settings!\n");
 284         return;
 285     }
 286
 287     vo_screenwidth = dm.dmPelsWidth;
 288     vo_screenheight = dm.dmPelsHeight;
 289     depthonscreen = dm.dmBitsPerPel;
 290     w32_update_xinerama_info();
 291 }
 292
 293 static void changeMode(void) {
 294     DEVMODE dm;
 295     dm.dmSize = sizeof dm;
 296     dm.dmDriverExtra = 0;
 297
 298     dm.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
 299     dm.dmBitsPerPel = depthonscreen;
 300     dm.dmPelsWidth = vo_screenwidth;
 301     dm.dmPelsHeight = vo_screenheight;
 302
 303     if (vo_vm) {
 304         int bestMode = -1;
 305         int bestScore = INT_MAX;
 306         int i;
 307         for (i = 0; EnumDisplaySettings(0, i, &dm); ++i) {
 308             int score = (dm.dmPelsWidth - o_dwidth) * (dm.dmPelsHeight - o_dheight);
 309             if (dm.dmBitsPerPel != depthonscreen) continue;
 310             if (dm.dmPelsWidth < o_dwidth) continue;
 311             if (dm.dmPelsHeight < o_dheight) continue;
 312
 313             if (score < bestScore) {
 314                 bestScore = score;
 315                 bestMode = i;
 316             }
 317         }
 318
 319         if (bestMode != -1)
 320             EnumDisplaySettings(0, bestMode, &dm);
 321
 322     ChangeDisplaySettings(&dm, CDS_FULLSCREEN);
 323     }
 324 }
 325
 326 static void resetMode(void) {
 327     if (vo_vm)
 328     ChangeDisplaySettings(0, 0);
 329 }
 330
 331 static int createRenderingContext(void) {
 332     HWND layer = HWND_NOTOPMOST;
 333     PIXELFORMATDESCRIPTOR pfd;
 334     HDC vo_hdc = GetDC(vo_window);
 335     RECT r;
 336     int pf;
 337   if (WinID < 0) {
 338     int style = (vo_border && !vo_fs) ?
 339                 (WS_OVERLAPPEDWINDOW | WS_SIZEBOX) : WS_POPUP;
 340
 341     if (vo_fs || vo_ontop) layer = HWND_TOPMOST;
 342     if (vo_fs) {
 343         changeMode();
 344         while (ShowCursor(0) >= 0) /**/ ;
 345     } else {
 346         resetMode();
 347         while (ShowCursor(1) < 0) /**/ ;
 348     }
 349     updateScreenProperties();
 350     ShowWindow(vo_window, SW_HIDE);
 351     SetWindowLong(vo_window, GWL_STYLE, style);
 352     if (vo_fs) {
 353         prev_width = vo_dwidth;
 354         prev_height = vo_dheight;
 355         prev_x = vo_dx;
 356         prev_y = vo_dy;
 357         vo_dwidth = vo_screenwidth;
 358         vo_dheight = vo_screenheight;
 359         vo_dx = xinerama_x;
 360         vo_dy = xinerama_y;
 361     } else {
 362         // make sure there are no "stale" resize events
 363         // that would set vo_d* to wrong values
 364         vo_w32_check_events();
 365         vo_dwidth = prev_width;
 366         vo_dheight = prev_height;
 367         vo_dx = prev_x;
 368         vo_dy = prev_y;
 369         // HACK around what probably is a windows focus bug:
 370         // when pressing 'f' on the console, then 'f' again to
 371         // return to windowed mode, any input into the video
 372         // window is lost forever.
 373         SetFocus(vo_window);
 374     }
 375     r.left = vo_dx;
 376     r.right = r.left + vo_dwidth;
 377     r.top = vo_dy;
 378     r.bottom = r.top + vo_dheight;
 379     AdjustWindowRect(&r, style, 0);
 380     SetWindowPos(vo_window, layer, r.left, r.top, r.right - r.left, r.bottom - r.top, SWP_SHOWWINDOW);
 381   }
 382
 383     memset(&pfd, 0, sizeof pfd);
 384     pfd.nSize = sizeof pfd;
 385     pfd.nVersion = 1;
 386     pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
 387     pfd.iPixelType = PFD_TYPE_RGBA;
 388     pfd.cColorBits = 24;
 389     pfd.iLayerType = PFD_MAIN_PLANE;
 390     pf = ChoosePixelFormat(vo_hdc, &pfd);
 391     if (!pf) {
 392             mp_msg(MSGT_VO, MSGL_ERR, "vo: win32: unable to select a valid pixel format!\n");
 393         ReleaseDC(vo_window, vo_hdc);
 394         return 0;
 395     }
 396
 397     SetPixelFormat(vo_hdc, pf, &pfd);
 398
 399     mp_msg(MSGT_VO, MSGL_V, "vo: win32: running at %dx%d with depth %d\n", vo_screenwidth, vo_screenheight, depthonscreen);
 400
 401     ReleaseDC(vo_window, vo_hdc);
 402     return 1;
 403 }
 404
 405 /**
 406  * \brief Configure and show window on the screen.
 407  *
 408  * This function should be called in libvo's "config" callback.
 409  * It configures a window and shows it on the screen.
 410  *
 411  * Global libvo variables changed:
 412  * vo_fs
 413  * vo_vm
 414  *
 415  * \return 1 - Success, 0 - Failure
 416  */
 417 int vo_w32_config(uint32_t width, uint32_t height, uint32_t flags) {
 418     // store original size for videomode switching
 419     o_dwidth = width;
 420     o_dheight = height;
 421
 422     if (WinID < 0) {
 423         // the desired size is ignored in wid mode, it always matches the window size.
 424         prev_width = vo_dwidth = width;
 425         prev_height = vo_dheight = height;
 426         prev_x = vo_dx;
 427         prev_y = vo_dy;
 428     }
 429
 430     vo_fs = flags & VOFLAG_FULLSCREEN;
 431     vo_vm = flags & VOFLAG_MODESWITCHING;
 432     return createRenderingContext();
 433 }
 434
 435 /**
 436  * \brief Initialize w32_common framework.
 437  *
 438  * The first function that should be called from the w32_common framework.
 439  * It handles window creation on the screen with proper title and attributes.
 440  * It also initializes the framework's internal variables. The function should
 441  * be called after your own preinit initialization and you shouldn't do any
 442  * window management on your own.
 443  *
 444  * Global libvo variables changed:
 445  * vo_w32_window
 446  * vo_depthonscreen
 447  * vo_screenwidth
 448  * vo_screenheight
 449  *
 450  * \return 1 = Success, 0 = Failure
 451  */
 452 int vo_w32_init(void) {
 453     HICON mplayerIcon = 0;
 454     char exedir[MAX_PATH];
 455     HINSTANCE user32;
 456
 457     if (vo_window)
 458         return 1;
 459
 460     hInstance = GetModuleHandle(0);
 461
 462     if (GetModuleFileName(0, exedir, MAX_PATH))
 463         mplayerIcon = ExtractIcon(hInstance, exedir, 0);
 464     if (!mplayerIcon)
 465         mplayerIcon = LoadIcon(0, IDI_APPLICATION);
 466
 467   {
 468     WNDCLASSEX wcex = { sizeof wcex, CS_OWNDC | CS_DBLCLKS, WndProc, 0, 0, hInstance, mplayerIcon, LoadCursor(0, IDC_ARROW), NULL, 0, classname, mplayerIcon };
 469
 470     if (!RegisterClassEx(&wcex)) {
 471         mp_msg(MSGT_VO, MSGL_ERR, "vo: win32: unable to register window class!\n");
 472         return 0;
 473     }
 474   }
 475
 476     if (WinID >= 0)
 477     {
 478         RECT r;
 479         GetClientRect(WinID, &r);
 480         vo_dwidth = r.right; vo_dheight = r.bottom;
 481         vo_window = CreateWindowEx(WS_EX_NOPARENTNOTIFY, classname, classname,
 482                      WS_CHILD | WS_VISIBLE,
 483                      0, 0, vo_dwidth, vo_dheight, WinID, 0, hInstance, 0);
 484         EnableWindow(vo_window, 0);
 485     } else
 486     vo_window = CreateWindowEx(0, classname, classname,
 487                   vo_border ? (WS_OVERLAPPEDWINDOW | WS_SIZEBOX) : WS_POPUP,
 488                   CW_USEDEFAULT, 0, 100, 100, 0, 0, hInstance, 0);
 489     if (!vo_window) {
 490         mp_msg(MSGT_VO, MSGL_ERR, "vo: win32: unable to create window!\n");
 491         return 0;
 492     }
 493
 494     myMonitorFromWindow = NULL;
 495     myGetMonitorInfo = NULL;
 496     myEnumDisplayMonitors = NULL;
 497     user32 = GetModuleHandle("user32.dll");
 498     if (user32) {
 499         myMonitorFromWindow = (void *)GetProcAddress(user32, "MonitorFromWindow");
 500         myGetMonitorInfo = GetProcAddress(user32, "GetMonitorInfoA");
 501         myEnumDisplayMonitors = GetProcAddress(user32, "EnumDisplayMonitors");
 502     }
 503     updateScreenProperties();
 504
 505     return 1;
 506 }
 507
 508 /**
 509  * \brief Toogle fullscreen / windowed mode.
 510  *
 511  * Should be called on VOCTRL_FULLSCREEN event. The window is
 512  * always resized after this call, so the rendering context
 513  * should be reinitialized with the new dimensions.
 514  * It is unspecified if vo_check_events will create a resize
 515  * event in addition or not.
 516  *
 517  * Global libvo variables changed:
 518  * vo_dwidth
 519  * vo_dheight
 520  * vo_fs
 521  */
 522
 523 void vo_w32_fullscreen(void) {
 524     vo_fs = !vo_fs;
 525
 526     createRenderingContext();
 527 }
 528
 529 /**
 530  * \brief Toogle window border attribute.
 531  *
 532  * Should be called on VOCTRL_BORDER event.
 533  *
 534  * Global libvo variables changed:
 535  * vo_border
 536  */
 537 void vo_w32_border(void) {
 538     vo_border = !vo_border;
 539     createRenderingContext();
 540 }
 541
 542 /**
 543  * \brief Toogle window ontop attribute.
 544  *
 545  * Should be called on VOCTRL_ONTOP event.
 546  *
 547  * Global libvo variables changed:
 548  * vo_ontop
 549  */
 550 void vo_w32_ontop( void )
 551 {
 552     vo_ontop = !vo_ontop;
 553     if (!vo_fs) {
 554         createRenderingContext();
 555     }
 556 }
 557
 558 /**
 559  * \brief Uninitialize w32_common framework.
 560  *
 561  * Should be called last in video driver's uninit function. First release
 562  * anything built on top of the created window e.g. rendering context inside
 563  * and call vo_w32_uninit at the end.
 564  */
 565 void vo_w32_uninit(void) {
 566     mp_msg(MSGT_VO, MSGL_V, "vo: win32: uninit\n");
 567     resetMode();
 568     ShowCursor(1);
 569     depthonscreen = 0;
 570     DestroyWindow(vo_window);
 571     vo_window = 0;
 572     UnregisterClass(classname, 0);
 573 }