/* * This file is part of mpv. * * mpv is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * mpv is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with mpv. If not, see . */ #include #include #include #include #include #include #include #include #include #include #include "options/options.h" #include "input/keycodes.h" #include "input/input.h" #include "input/event.h" #include "stream/stream.h" #include "common/msg.h" #include "common/common.h" #include "vo.h" #include "win_state.h" #include "w32_common.h" #include "win32/displayconfig.h" #include "osdep/io.h" #include "osdep/threads.h" #include "osdep/w32_keyboard.h" #include "osdep/atomic.h" #include "misc/dispatch.h" #include "misc/rendezvous.h" #include "mpv_talloc.h" EXTERN_C IMAGE_DOS_HEADER __ImageBase; #define HINST_THISCOMPONENT ((HINSTANCE)&__ImageBase) #ifndef WM_DPICHANGED #define WM_DPICHANGED (0x02E0) #endif #ifndef DPI_ENUMS_DECLARED typedef enum MONITOR_DPI_TYPE { MDT_EFFECTIVE_DPI = 0, MDT_ANGULAR_DPI = 1, MDT_RAW_DPI = 2, MDT_DEFAULT = MDT_EFFECTIVE_DPI } MONITOR_DPI_TYPE; #endif static __thread struct vo_w32_state *w32_thread_context; struct w32_api { HRESULT (WINAPI *pGetDpiForMonitor)(HMONITOR, MONITOR_DPI_TYPE, UINT*, UINT*); }; struct vo_w32_state { struct mp_log *log; struct vo *vo; struct mp_vo_opts *opts; struct input_ctx *input_ctx; pthread_t thread; bool terminate; struct mp_dispatch_queue *dispatch; // used to run stuff on the GUI thread struct w32_api api; // stores functions from dynamically loaded DLLs HWND window; HWND parent; // 0 normally, set in embedding mode HHOOK parent_win_hook; HWINEVENTHOOK parent_evt_hook; HMONITOR monitor; // Handle of the current screen struct mp_rect screenrc; // Size and virtual position of the current screen char *color_profile; // Path of the current screen's color profile // last non-fullscreen extends (updated only on fullscreen or on initialization) int prev_width; int prev_height; int prev_x; int prev_y; // Has the window seen a WM_DESTROY? If so, don't call DestroyWindow again. bool destroyed; // whether the window position and size were intialized bool window_bounds_initialized; bool current_fs; bool toggle_fs; // whether the current fullscreen state needs to be switched // currently known window state int window_x; int window_y; int dw; int dh; // video size uint32_t o_dwidth; uint32_t o_dheight; int dpi; bool disable_screensaver; bool cursor_visible; atomic_uint event_flags; BOOL tracking; TRACKMOUSEEVENT trackEvent; int mouse_x; int mouse_y; // Should SetCursor be called when handling VOCTRL_SET_CURSOR_VISIBILITY? bool can_set_cursor; // UTF-16 decoding state for WM_CHAR and VK_PACKET int high_surrogate; ITaskbarList2 *taskbar_list; ITaskbarList3 *taskbar_list3; UINT tbtnCreatedMsg; bool tbtnCreated; struct voctrl_playback_state current_pstate; // updates on move/resize/displaychange double display_fps; bool snapped; int snap_dx; int snap_dy; HANDLE avrt_handle; }; typedef struct tagDropTarget { IDropTarget iface; atomic_int refCnt; DWORD lastEffect; IDataObject* dataObj; struct vo_w32_state *w32; } DropTarget; static FORMATETC fmtetc_file = { CF_HDROP, 0, DVASPECT_CONTENT, -1, TYMED_HGLOBAL }; static FORMATETC fmtetc_url = { 0, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL }; static void DropTarget_Destroy(DropTarget* This) { if (This->dataObj != NULL) { This->dataObj->lpVtbl->Release(This->dataObj); This->dataObj->lpVtbl = NULL; } talloc_free(This); } static HRESULT STDMETHODCALLTYPE DropTarget_QueryInterface(IDropTarget* This, REFIID riid, void** ppvObject) { if (!IsEqualGUID(riid, &IID_IUnknown) || !IsEqualGUID(riid, &IID_IDataObject)) { *ppvObject = NULL; return E_NOINTERFACE; } *ppvObject = This; This->lpVtbl->AddRef(This); return S_OK; } static ULONG STDMETHODCALLTYPE DropTarget_AddRef(IDropTarget* This) { DropTarget* t = (DropTarget*)This; return atomic_fetch_add(&t->refCnt, 1) + 1; } static ULONG STDMETHODCALLTYPE DropTarget_Release(IDropTarget* This) { DropTarget* t = (DropTarget*)This; ULONG cRef = atomic_fetch_add(&t->refCnt, -1) - 1; if (cRef == 0) { DropTarget_Destroy(t); } return cRef; } static HRESULT STDMETHODCALLTYPE DropTarget_DragEnter(IDropTarget* This, IDataObject* pDataObj, DWORD grfKeyState, POINTL pt, DWORD* pdwEffect) { DropTarget* t = (DropTarget*)This; pDataObj->lpVtbl->AddRef(pDataObj); if (pDataObj->lpVtbl->QueryGetData(pDataObj, &fmtetc_file) != S_OK && pDataObj->lpVtbl->QueryGetData(pDataObj, &fmtetc_url) != S_OK) { *pdwEffect = DROPEFFECT_NONE; } if (t->dataObj != NULL) { t->dataObj->lpVtbl->Release(t->dataObj); } t->dataObj = pDataObj; t->lastEffect = *pdwEffect; return S_OK; } static HRESULT STDMETHODCALLTYPE DropTarget_DragOver(IDropTarget* This, DWORD grfKeyState, POINTL pt, DWORD* pdwEffect) { DropTarget* t = (DropTarget*)This; *pdwEffect = t->lastEffect; return S_OK; } static HRESULT STDMETHODCALLTYPE DropTarget_DragLeave(IDropTarget* This) { DropTarget* t = (DropTarget*)This; if (t->dataObj != NULL) { t->dataObj->lpVtbl->Release(t->dataObj); t->dataObj = NULL; } return S_OK; } static HRESULT STDMETHODCALLTYPE DropTarget_Drop(IDropTarget* This, IDataObject* pDataObj, DWORD grfKeyState, POINTL pt, DWORD* pdwEffect) { DropTarget* t = (DropTarget*)This; STGMEDIUM medium; if (t->dataObj != NULL) { t->dataObj->lpVtbl->Release(t->dataObj); t->dataObj = NULL; } enum mp_dnd_action action = (grfKeyState & MK_SHIFT) ? DND_APPEND : DND_REPLACE; pDataObj->lpVtbl->AddRef(pDataObj); if (pDataObj->lpVtbl->GetData(pDataObj, &fmtetc_file, &medium) == S_OK) { if (GlobalLock(medium.hGlobal) != NULL) { HDROP hDrop = (HDROP)medium.hGlobal; UINT numFiles = DragQueryFileW(hDrop, 0xFFFFFFFF, NULL, 0); char** files = talloc_zero_array(NULL, char*, numFiles); UINT nrecvd_files = 0; for (UINT i = 0; i < numFiles; i++) { UINT len = DragQueryFileW(hDrop, i, NULL, 0); wchar_t* buf = talloc_array(NULL, wchar_t, len + 1); if (DragQueryFileW(hDrop, i, buf, len + 1) == len) { char* fname = mp_to_utf8(files, buf); files[nrecvd_files++] = fname; MP_VERBOSE(t->w32, "received dropped file: %s\n", fname); } else { MP_ERR(t->w32, "error getting dropped file name\n"); } talloc_free(buf); } GlobalUnlock(medium.hGlobal); mp_event_drop_files(t->w32->input_ctx, nrecvd_files, files, action); talloc_free(files); } ReleaseStgMedium(&medium); } else if (pDataObj->lpVtbl->GetData(pDataObj, &fmtetc_url, &medium) == S_OK) { // get the URL encoded in US-ASCII wchar_t* wurl = GlobalLock(medium.hGlobal); if (wurl != NULL) { char *url = mp_to_utf8(NULL, wurl); if (mp_event_drop_mime_data(t->w32->input_ctx, "text/uri-list", bstr0(url), action) > 0) { MP_VERBOSE(t->w32, "received dropped URL: %s\n", url); } else { MP_ERR(t->w32, "error getting dropped URL\n"); } talloc_free(url); GlobalUnlock(medium.hGlobal); } ReleaseStgMedium(&medium); } else { t->lastEffect = DROPEFFECT_NONE; } pDataObj->lpVtbl->Release(pDataObj); *pdwEffect = t->lastEffect; return S_OK; } static void DropTarget_Init(DropTarget* This, struct vo_w32_state *w32) { IDropTargetVtbl* vtbl = talloc(This, IDropTargetVtbl); *vtbl = (IDropTargetVtbl){ DropTarget_QueryInterface, DropTarget_AddRef, DropTarget_Release, DropTarget_DragEnter, DropTarget_DragOver, DropTarget_DragLeave, DropTarget_Drop }; This->iface.lpVtbl = vtbl; atomic_store(&This->refCnt, 0); This->lastEffect = 0; This->dataObj = NULL; This->w32 = w32; } static void add_window_borders(HWND hwnd, RECT *rc) { AdjustWindowRect(rc, GetWindowLongPtrW(hwnd, GWL_STYLE), 0); } // basically a reverse AdjustWindowRect (win32 doesn't appear to have this) static void subtract_window_borders(HWND hwnd, RECT *rc) { RECT b = { 0, 0, 0, 0 }; add_window_borders(hwnd, &b); rc->left -= b.left; rc->top -= b.top; rc->right -= b.right; rc->bottom -= b.bottom; } static LRESULT borderless_nchittest(struct vo_w32_state *w32, int x, int y) { if (IsMaximized(w32->window)) return HTCLIENT; POINT mouse = { x, y }; ScreenToClient(w32->window, &mouse); // The horizontal frame should be the same size as the vertical frame, // since the NONCLIENTMETRICS structure does not distinguish between them int frame_size = GetSystemMetrics(SM_CXFRAME) + GetSystemMetrics(SM_CXPADDEDBORDER); // The diagonal size handles are slightly wider than the side borders int diagonal_width = frame_size * 2 + GetSystemMetrics(SM_CXBORDER); // Hit-test top border if (mouse.y < frame_size) { if (mouse.x < diagonal_width) return HTTOPLEFT; if (mouse.x >= w32->dw - diagonal_width) return HTTOPRIGHT; return HTTOP; } // Hit-test bottom border if (mouse.y >= w32->dh - frame_size) { if (mouse.x < diagonal_width) return HTBOTTOMLEFT; if (mouse.x >= w32->dw - diagonal_width) return HTBOTTOMRIGHT; return HTBOTTOM; } // Hit-test side borders if (mouse.x < frame_size) return HTLEFT; if (mouse.x >= w32->dw - frame_size) return HTRIGHT; return HTCLIENT; } // turn a WMSZ_* input value in v into the border that should be resized // returns: 0=left, 1=top, 2=right, 3=bottom, -1=undefined static int get_resize_border(int v) { switch (v) { case WMSZ_LEFT: return 3; case WMSZ_TOP: return 2; case WMSZ_RIGHT: return 3; case WMSZ_BOTTOM: return 2; case WMSZ_TOPLEFT: return 1; case WMSZ_TOPRIGHT: return 1; case WMSZ_BOTTOMLEFT: return 3; case WMSZ_BOTTOMRIGHT: return 3; default: return -1; } } static bool key_state(int vk) { return GetKeyState(vk) & 0x8000; } static int mod_state(struct vo_w32_state *w32) { int res = 0; // AltGr is represented as LCONTROL+RMENU on Windows bool alt_gr = mp_input_use_alt_gr(w32->input_ctx) && key_state(VK_RMENU) && key_state(VK_LCONTROL); if (key_state(VK_RCONTROL) || (key_state(VK_LCONTROL) && !alt_gr)) res |= MP_KEY_MODIFIER_CTRL; if (key_state(VK_SHIFT)) res |= MP_KEY_MODIFIER_SHIFT; if (key_state(VK_LMENU) || (key_state(VK_RMENU) && !alt_gr)) res |= MP_KEY_MODIFIER_ALT; return res; } static int decode_surrogate_pair(wchar_t lead, wchar_t trail) { return 0x10000 + (((lead & 0x3ff) << 10) | (trail & 0x3ff)); } static int decode_utf16(struct vo_w32_state *w32, wchar_t c) { // Decode UTF-16, keeping state in w32->high_surrogate if (IS_HIGH_SURROGATE(c)) { w32->high_surrogate = c; return 0; } if (IS_LOW_SURROGATE(c)) { if (!w32->high_surrogate) { MP_ERR(w32, "Invalid UTF-16 input\n"); return 0; } int codepoint = decode_surrogate_pair(w32->high_surrogate, c); w32->high_surrogate = 0; return codepoint; } if (w32->high_surrogate != 0) { w32->high_surrogate = 0; MP_ERR(w32, "Invalid UTF-16 input\n"); return 0; } return c; } static void clear_keyboard_buffer(void) { static const UINT vkey = VK_DECIMAL; static const BYTE keys[256] = { 0 }; UINT scancode = MapVirtualKey(vkey, MAPVK_VK_TO_VSC); wchar_t buf[10]; int ret = 0; // Use the method suggested by Michael Kaplan to clear any pending dead // keys from the current keyboard layout. See: // https://web.archive.org/web/20101004154432/http://blogs.msdn.com/b/michkap/archive/2006/04/06/569632.aspx // https://web.archive.org/web/20100820152419/http://blogs.msdn.com/b/michkap/archive/2007/10/27/5717859.aspx do { ret = ToUnicode(vkey, scancode, keys, buf, MP_ARRAY_SIZE(buf), 0); } while (ret < 0); } static int to_unicode(UINT vkey, UINT scancode, const BYTE keys[256]) { // This wraps ToUnicode to be stateless and to return only one character // Make the buffer 10 code units long to be safe, same as here: // https://web.archive.org/web/20101013215215/http://blogs.msdn.com/b/michkap/archive/2006/03/24/559169.aspx wchar_t buf[10] = { 0 }; // Dead keys aren't useful for key shortcuts, so clear the keyboard state clear_keyboard_buffer(); int len = ToUnicode(vkey, scancode, keys, buf, MP_ARRAY_SIZE(buf), 0); // Return the last complete UTF-16 code point. A negative return value // indicates a dead key, however there should still be a non-combining // version of the key in the buffer. if (len < 0) len = -len; if (len >= 2 && IS_SURROGATE_PAIR(buf[len - 2], buf[len - 1])) return decode_surrogate_pair(buf[len - 2], buf[len - 1]); if (len >= 1) return buf[len - 1]; return 0; } static int decode_key(struct vo_w32_state *w32, UINT vkey, UINT scancode) { BYTE keys[256]; GetKeyboardState(keys); // If mp_input_use_alt_gr is false, detect and remove AltGr so normal // characters are generated. Note that AltGr is represented as // LCONTROL+RMENU on Windows. if ((keys[VK_RMENU] & 0x80) && (keys[VK_LCONTROL] & 0x80) && !mp_input_use_alt_gr(w32->input_ctx)) { keys[VK_RMENU] = keys[VK_LCONTROL] = 0; keys[VK_MENU] = keys[VK_LMENU]; keys[VK_CONTROL] = keys[VK_RCONTROL]; } int c = to_unicode(vkey, scancode, keys); // Some shift states prevent ToUnicode from working or cause it to produce // control characters. If this is detected, remove modifiers until it // starts producing normal characters. if (c < 0x20 && (keys[VK_MENU] & 0x80)) { keys[VK_LMENU] = keys[VK_RMENU] = keys[VK_MENU] = 0; c = to_unicode(vkey, scancode, keys); } if (c < 0x20 && (keys[VK_CONTROL] & 0x80)) { keys[VK_LCONTROL] = keys[VK_RCONTROL] = keys[VK_CONTROL] = 0; c = to_unicode(vkey, scancode, keys); } if (c < 0x20) return 0; // Decode lone UTF-16 surrogates (VK_PACKET can generate these) if (c < 0x10000) return decode_utf16(w32, c); return c; } static void handle_key_down(struct vo_w32_state *w32, UINT vkey, UINT scancode) { // Ignore key repeat if (scancode & KF_REPEAT) return; int mpkey = mp_w32_vkey_to_mpkey(vkey, scancode & KF_EXTENDED); if (!mpkey) { mpkey = decode_key(w32, vkey, scancode & (0xff | KF_EXTENDED)); if (!mpkey) return; } mp_input_put_key(w32->input_ctx, mpkey | mod_state(w32) | MP_KEY_STATE_DOWN); } static void handle_key_up(struct vo_w32_state *w32, UINT vkey, UINT scancode) { switch (vkey) { case VK_MENU: case VK_CONTROL: case VK_SHIFT: break; default: // Releasing all keys on key-up is simpler and ensures no keys can be // get "stuck." This matches the behaviour of other VOs. mp_input_put_key(w32->input_ctx, MP_INPUT_RELEASE_ALL); } } static bool handle_char(struct vo_w32_state *w32, wchar_t wc) { int c = decode_utf16(w32, wc); if (c == 0) return true; if (c < 0x20) return false; mp_input_put_key(w32->input_ctx, c | mod_state(w32)); return true; } static void signal_events(struct vo_w32_state *w32, int events) { atomic_fetch_or(&w32->event_flags, events); vo_wakeup(w32->vo); } static void wakeup_gui_thread(void *ctx) { struct vo_w32_state *w32 = ctx; PostMessage(w32->window, WM_USER, 0, 0); } static double get_refresh_rate_from_gdi(const wchar_t *device) { DEVMODEW dm = { .dmSize = sizeof dm }; if (!EnumDisplaySettingsW(device, ENUM_CURRENT_SETTINGS, &dm)) return 0.0; // May return 0 or 1 which "represent the display hardware's default refresh rate" // https://msdn.microsoft.com/en-us/library/windows/desktop/dd183565%28v=vs.85%29.aspx // mpv validates this value with a threshold of 1, so don't return exactly 1 if (dm.dmDisplayFrequency == 1) return 0.0; // dm.dmDisplayFrequency is an integer which is rounded down, so it's // highly likely that 23 represents 24/1.001, 59 represents 60/1.001, etc. // A caller can always reproduce the original value by using floor. double rv = dm.dmDisplayFrequency; switch (dm.dmDisplayFrequency) { case 23: case 29: case 47: case 59: case 71: case 89: case 95: case 119: case 143: rv = (rv + 1) / 1.001; } return rv; } static char *get_color_profile(void *ctx, const wchar_t *device) { char *name = NULL; HDC ic = CreateICW(device, NULL, NULL, NULL); if (!ic) goto done; wchar_t wname[MAX_PATH + 1]; if (!GetICMProfileW(ic, &(DWORD){ MAX_PATH }, wname)) goto done; name = mp_to_utf8(ctx, wname); done: if (ic) DeleteDC(ic); return name; } static void update_dpi(struct vo_w32_state *w32) { UINT dpiX, dpiY; if (w32->api.pGetDpiForMonitor && w32->api.pGetDpiForMonitor(w32->monitor, MDT_EFFECTIVE_DPI, &dpiX, &dpiY) == S_OK) { w32->dpi = (int)dpiX; MP_VERBOSE(w32, "DPI detected from the new API: %d\n", w32->dpi); return; } HDC hdc = GetDC(NULL); if (hdc) { w32->dpi = GetDeviceCaps(hdc, LOGPIXELSX); ReleaseDC(NULL, hdc); MP_VERBOSE(w32, "DPI detected from the old API: %d\n", w32->dpi); } else { w32->dpi = 96; MP_VERBOSE(w32, "Couldn't determine DPI, falling back to %d\n", w32->dpi); } } static void update_display_info(struct vo_w32_state *w32) { HMONITOR monitor = MonitorFromWindow(w32->window, MONITOR_DEFAULTTOPRIMARY); if (w32->monitor == monitor) return; w32->monitor = monitor; update_dpi(w32); MONITORINFOEXW mi = { .cbSize = sizeof mi }; GetMonitorInfoW(monitor, (MONITORINFO*)&mi); // Try to get the monitor refresh rate. double freq = 0.0; if (freq == 0.0) freq = mp_w32_displayconfig_get_refresh_rate(mi.szDevice); if (freq == 0.0) freq = get_refresh_rate_from_gdi(mi.szDevice); if (freq != w32->display_fps) { MP_VERBOSE(w32, "display-fps: %f\n", freq); if (freq == 0.0) MP_WARN(w32, "Couldn't determine monitor refresh rate\n"); w32->display_fps = freq; signal_events(w32, VO_EVENT_WIN_STATE); } char *color_profile = get_color_profile(w32, mi.szDevice); if ((color_profile == NULL) != (w32->color_profile == NULL) || (color_profile && strcmp(color_profile, w32->color_profile))) { if (color_profile) MP_VERBOSE(w32, "color-profile: %s\n", color_profile); talloc_free(w32->color_profile); w32->color_profile = color_profile; color_profile = NULL; signal_events(w32, VO_EVENT_ICC_PROFILE_CHANGED); } talloc_free(color_profile); } static void force_update_display_info(struct vo_w32_state *w32) { w32->monitor = 0; update_display_info(w32); } static void update_playback_state(struct vo_w32_state *w32) { struct voctrl_playback_state *pstate = &w32->current_pstate; if (!w32->taskbar_list3 || !w32->tbtnCreated) return; if (!pstate->playing || !pstate->taskbar_progress) { ITaskbarList3_SetProgressState(w32->taskbar_list3, w32->window, TBPF_NOPROGRESS); return; } ITaskbarList3_SetProgressValue(w32->taskbar_list3, w32->window, pstate->percent_pos, 100); ITaskbarList3_SetProgressState(w32->taskbar_list3, w32->window, pstate->paused ? TBPF_PAUSED : TBPF_NORMAL); } static bool snap_to_screen_edges(struct vo_w32_state *w32, RECT *rc) { if (!w32->opts->snap_window) { w32->snapped = false; return false; } RECT rect; POINT cursor; if (!GetWindowRect(w32->window, &rect) || !GetCursorPos(&cursor)) return false; // Check for aero snapping if ((rc->right - rc->left != rect.right - rect.left) || (rc->bottom - rc->top != rect.bottom - rect.top)) return false; MONITORINFO mi = { .cbSize = sizeof(mi) }; if (!GetMonitorInfoW(w32->monitor, &mi)) return false; // Get the work area to let the window snap to taskbar RECT wr = mi.rcWork; // Check for invisible borders and adjust the work area size RECT frame = {0}; if (DwmGetWindowAttribute(w32->window, DWMWA_EXTENDED_FRAME_BOUNDS, &frame, sizeof(RECT)) == S_OK) { wr.left -= frame.left - rect.left; wr.top -= frame.top - rect.top; wr.right += rect.right - frame.right; wr.bottom += rect.bottom - frame.bottom; } // Let the window to unsnap by changing its position, // otherwise it will stick to the screen edges forever rect = *rc; if (w32->snapped) { OffsetRect(&rect, cursor.x - rect.left - w32->snap_dx, cursor.y - rect.top - w32->snap_dy); } int threshold = (w32->dpi * 16) / 96; bool snapped = false; // Adjust X position if (abs(rect.left - wr.left) < threshold) { snapped = true; OffsetRect(&rect, wr.left - rect.left, 0); } else if (abs(rect.right - wr.right) < threshold) { snapped = true; OffsetRect(&rect, wr.right - rect.right, 0); } // Adjust Y position if (abs(rect.top - wr.top) < threshold) { snapped = true; OffsetRect(&rect, 0, wr.top - rect.top); } else if (abs(rect.bottom - wr.bottom) < threshold) { snapped = true; OffsetRect(&rect, 0, wr.bottom - rect.bottom); } if (!w32->snapped && snapped) { w32->snap_dx = cursor.x - rc->left; w32->snap_dy = cursor.y - rc->top; } w32->snapped = snapped; *rc = rect; return true; } static void toggle_fullscreen(struct vo_w32_state *w32) { w32->toggle_fs = true; signal_events(w32, VO_EVENT_FULLSCREEN_STATE); } static LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) { assert(w32_thread_context); struct vo_w32_state *w32 = w32_thread_context; if (!w32->window) w32->window = hWnd; // can happen during CreateWindow*! assert(w32->window == hWnd); int mouse_button = 0; switch (message) { case WM_USER: // This message is used to wakeup the GUI thread, see wakeup_gui_thread. mp_dispatch_queue_process(w32->dispatch, 0); break; case WM_ERASEBKGND: // no need to erase background separately return 1; case WM_PAINT: signal_events(w32, VO_EVENT_EXPOSE); break; case WM_MOVE: { POINT p = {0}; ClientToScreen(w32->window, &p); w32->window_x = p.x; w32->window_y = p.y; // Window may intersect with new monitors (see VOCTRL_GET_DISPLAY_NAMES) signal_events(w32, VO_EVENT_WIN_STATE); update_display_info(w32); // if we moved between monitors MP_DBG(w32, "move window: %d:%d\n", w32->window_x, w32->window_y); break; } case WM_MOVING: { RECT *rc = (RECT*)lParam; if (snap_to_screen_edges(w32, rc)) return TRUE; break; } case WM_ENTERSIZEMOVE: if (w32->snapped) { // Save the cursor offset from the window borders, // so the player window can be unsnapped later RECT rc; POINT cursor; if (GetWindowRect(w32->window, &rc) && GetCursorPos(&cursor)) { w32->snap_dx = cursor.x - rc.left; w32->snap_dy = cursor.y - rc.top; } } break; case WM_SIZE: { RECT r; if (GetClientRect(w32->window, &r) && r.right > 0 && r.bottom > 0) { w32->dw = r.right; w32->dh = r.bottom; signal_events(w32, VO_EVENT_RESIZE); MP_VERBOSE(w32, "resize window: %d:%d\n", w32->dw, w32->dh); } // Window may have been minimized or restored signal_events(w32, VO_EVENT_WIN_STATE); update_display_info(w32); break; } case WM_SIZING: if (w32->opts->keepaspect && w32->opts->keepaspect_window && !w32->current_fs && !w32->parent) { RECT *rc = (RECT*)lParam; // get client area of the windows if it had the rect rc // (subtracting the window borders) RECT r = *rc; subtract_window_borders(w32->window, &r); int c_w = r.right - r.left, c_h = r.bottom - r.top; float aspect = w32->o_dwidth / (float) MPMAX(w32->o_dheight, 1); int d_w = c_h * aspect - c_w; int d_h = c_w / aspect - c_h; int d_corners[4] = { d_w, d_h, -d_w, -d_h }; int corners[4] = { rc->left, rc->top, rc->right, rc->bottom }; int corner = get_resize_border(wParam); if (corner >= 0) corners[corner] -= d_corners[corner]; *rc = (RECT) { corners[0], corners[1], corners[2], corners[3] }; return TRUE; } break; case WM_DPICHANGED: update_display_info(w32); break; case WM_CLOSE: // Don't actually allow it to destroy the window, or whatever else it // is that will make us lose WM_USER wakeups. mp_input_put_key(w32->input_ctx, MP_KEY_CLOSE_WIN); return 0; case WM_NCDESTROY: // Sometimes only WM_NCDESTROY is received in --wid mode case WM_DESTROY: if (w32->destroyed) break; // If terminate is not set, something else destroyed the window. This // can also happen in --wid mode when the parent window is destroyed. if (!w32->terminate) mp_input_put_key(w32->input_ctx, MP_KEY_CLOSE_WIN); RevokeDragDrop(w32->window); w32->destroyed = true; w32->window = NULL; PostQuitMessage(0); break; case WM_SYSCOMMAND: switch (wParam & 0xFFF0) { case SC_SCREENSAVE: case SC_MONITORPOWER: if (w32->disable_screensaver) { MP_VERBOSE(w32, "killing screensaver\n"); return 0; } break; case SC_RESTORE: if (IsMaximized(w32->window) && w32->current_fs) { toggle_fullscreen(w32); return 0; } break; } break; case WM_NCHITTEST: // Provide sizing handles for borderless windows if (!w32->opts->border && !w32->current_fs) { return borderless_nchittest(w32, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam)); } break; case WM_SYSKEYDOWN: // Open the window menu on Alt+Space. Normally DefWindowProc opens the // window menu in response to WM_SYSCHAR, but since mpv translates its // own keyboard input, WM_SYSCHAR isn't generated, so the window menu // must be opened manually. if (wParam == VK_SPACE) { SendMessage(w32->window, WM_SYSCOMMAND, SC_KEYMENU, ' '); return 0; } // Handle all other WM_SYSKEYDOWN messages as WM_KEYDOWN case WM_KEYDOWN: handle_key_down(w32, wParam, HIWORD(lParam)); if (wParam == VK_F10) return 0; break; case WM_SYSKEYUP: case WM_KEYUP: handle_key_up(w32, wParam, HIWORD(lParam)); if (wParam == VK_F10) return 0; break; case WM_CHAR: case WM_SYSCHAR: if (handle_char(w32, wParam)) return 0; break; case WM_KILLFOCUS: mp_input_put_key(w32->input_ctx, MP_INPUT_RELEASE_ALL); break; case WM_SETCURSOR: // The cursor should only be hidden if the mouse is in the client area // and if the window isn't in menu mode (HIWORD(lParam) is non-zero) w32->can_set_cursor = LOWORD(lParam) == HTCLIENT && HIWORD(lParam); if (w32->can_set_cursor && !w32->cursor_visible) { SetCursor(NULL); return TRUE; } break; case WM_MOUSELEAVE: w32->tracking = FALSE; mp_input_put_key(w32->input_ctx, MP_KEY_MOUSE_LEAVE); break; case WM_MOUSEMOVE: { if (!w32->tracking) { w32->tracking = TrackMouseEvent(&w32->trackEvent); mp_input_put_key(w32->input_ctx, MP_KEY_MOUSE_ENTER); } // Windows can send spurious mouse events, which would make the mpv // core unhide the mouse cursor on completely unrelated events. See: // https://blogs.msdn.com/b/oldnewthing/archive/2003/10/01/55108.aspx int x = GET_X_LPARAM(lParam); int y = GET_Y_LPARAM(lParam); if (x != w32->mouse_x || y != w32->mouse_y) { w32->mouse_x = x; w32->mouse_y = y; mp_input_set_mouse_pos(w32->input_ctx, x, y); } break; } case WM_LBUTTONDOWN: mouse_button = MP_MOUSE_BTN0 | MP_KEY_STATE_DOWN; break; case WM_LBUTTONUP: mouse_button = MP_MOUSE_BTN0 | MP_KEY_STATE_UP; break; case WM_MBUTTONDOWN: mouse_button = MP_MOUSE_BTN1 | MP_KEY_STATE_DOWN; break; case WM_MBUTTONUP: mouse_button = MP_MOUSE_BTN1 | MP_KEY_STATE_UP; break; case WM_RBUTTONDOWN: mouse_button = MP_MOUSE_BTN2 | MP_KEY_STATE_DOWN; break; case WM_RBUTTONUP: mouse_button = MP_MOUSE_BTN2 | MP_KEY_STATE_UP; break; case WM_MOUSEWHEEL: { int x = GET_WHEEL_DELTA_WPARAM(wParam); mouse_button = x > 0 ? MP_MOUSE_BTN3 : MP_MOUSE_BTN4; break; } case WM_XBUTTONDOWN: mouse_button = HIWORD(wParam) == 1 ? MP_MOUSE_BTN5 : MP_MOUSE_BTN6; mouse_button |= MP_KEY_STATE_DOWN; break; case WM_XBUTTONUP: mouse_button = HIWORD(wParam) == 1 ? MP_MOUSE_BTN5 : MP_MOUSE_BTN6; mouse_button |= MP_KEY_STATE_UP; break; case WM_DISPLAYCHANGE: force_update_display_info(w32); break; } if (message == w32->tbtnCreatedMsg) { w32->tbtnCreated = true; update_playback_state(w32); return 0; } if (mouse_button) { mouse_button |= mod_state(w32); mp_input_put_key(w32->input_ctx, mouse_button); if (mp_input_mouse_enabled(w32->input_ctx)) { int x = GET_X_LPARAM(lParam); int y = GET_Y_LPARAM(lParam); if (mouse_button == (MP_MOUSE_BTN0 | MP_KEY_STATE_DOWN) && !w32->current_fs && !mp_input_test_dragging(w32->input_ctx, x, y)) { // Window dragging hack ReleaseCapture(); SendMessage(hWnd, WM_NCLBUTTONDOWN, HTCAPTION, 0); mp_input_put_key(w32->input_ctx, MP_MOUSE_BTN0 | MP_KEY_STATE_UP); return 0; } } if (mouse_button & MP_KEY_STATE_DOWN) SetCapture(w32->window); else ReleaseCapture(); } return DefWindowProcW(hWnd, message, wParam, lParam); } static pthread_once_t window_class_init_once = PTHREAD_ONCE_INIT; static ATOM window_class; static void register_window_class(void) { window_class = RegisterClassExW(&(WNDCLASSEXW) { .cbSize = sizeof(WNDCLASSEXW), .style = CS_HREDRAW | CS_VREDRAW, .lpfnWndProc = WndProc, .hInstance = HINST_THISCOMPONENT, .hIcon = LoadIconW(HINST_THISCOMPONENT, L"IDI_ICON1"), .hCursor = LoadCursor(NULL, IDC_ARROW), .lpszClassName = L"mpv", }); } static ATOM get_window_class(void) { pthread_once(&window_class_init_once, register_window_class); return window_class; } static void resize_child_win(HWND parent) { // Check if an mpv window is a child of this window. This will not // necessarily be the case because the hook functions will run for all // windows on the parent window's thread. ATOM cls = get_window_class(); HWND child = FindWindowExW(parent, NULL, (LPWSTR)MAKEINTATOM(cls), NULL); if (!child) return; // Make sure the window was created by this instance if (GetWindowLongPtrW(child, GWLP_HINSTANCE) != (LONG_PTR)HINST_THISCOMPONENT) return; // Resize the mpv window to match its parent window's size RECT rm, rp; if (!GetClientRect(child, &rm)) return; if (!GetClientRect(parent, &rp)) return; if (EqualRect(&rm, &rp)) return; SetWindowPos(child, NULL, 0, 0, rp.right, rp.bottom, SWP_ASYNCWINDOWPOS | SWP_NOACTIVATE | SWP_NOZORDER | SWP_NOOWNERZORDER); } static LRESULT CALLBACK parent_win_hook(int nCode, WPARAM wParam, LPARAM lParam) { if (nCode != HC_ACTION) goto done; CWPSTRUCT *cwp = (CWPSTRUCT*)lParam; if (cwp->message != WM_WINDOWPOSCHANGED) goto done; resize_child_win(cwp->hwnd); done: return CallNextHookEx(NULL, nCode, wParam, lParam); } static void CALLBACK parent_evt_hook(HWINEVENTHOOK hWinEventHook, DWORD event, HWND hwnd, LONG idObject, LONG idChild, DWORD dwEventThread, DWORD dwmsEventTime) { if (event != EVENT_OBJECT_LOCATIONCHANGE) return; if (!hwnd || idObject != OBJID_WINDOW || idChild != CHILDID_SELF) return; resize_child_win(hwnd); } static void install_parent_hook(struct vo_w32_state *w32) { DWORD pid; DWORD tid = GetWindowThreadProcessId(w32->parent, &pid); // If the parent lives inside the current process, install a Windows hook if (pid == GetCurrentProcessId()) { w32->parent_win_hook = SetWindowsHookExW(WH_CALLWNDPROC, parent_win_hook, NULL, tid); } else { // Otherwise, use a WinEvent hook. These don't seem to be as smooth as // Windows hooks, but they can be delivered across process boundaries. w32->parent_evt_hook = SetWinEventHook( EVENT_OBJECT_LOCATIONCHANGE, EVENT_OBJECT_LOCATIONCHANGE, NULL, parent_evt_hook, pid, tid, WINEVENT_OUTOFCONTEXT); } } static void remove_parent_hook(struct vo_w32_state *w32) { if (w32->parent_win_hook) UnhookWindowsHookEx(w32->parent_win_hook); if (w32->parent_evt_hook) UnhookWinEvent(w32->parent_evt_hook); } // Dispatch incoming window events and handle them. // This returns only when the thread is asked to terminate. static void run_message_loop(struct vo_w32_state *w32) { MSG msg; while (GetMessageW(&msg, 0, 0, 0) > 0) DispatchMessageW(&msg); // Even if the message loop somehow exits, we still have to respond to // external requests until termination is requested. while (!w32->terminate) mp_dispatch_queue_process(w32->dispatch, 1000); } struct get_monitor_data { int i; int target; HMONITOR mon; }; static BOOL CALLBACK get_monitor_proc(HMONITOR mon, HDC dc, LPRECT r, LPARAM p) { struct get_monitor_data *data = (struct get_monitor_data*)p; if (data->i == data->target) { data->mon = mon; return FALSE; } data->i++; return TRUE; } static HMONITOR get_monitor(int id) { struct get_monitor_data data = { .target = id }; EnumDisplayMonitors(NULL, NULL, get_monitor_proc, (LPARAM)&data); return data.mon; } static void update_screen_rect(struct vo_w32_state *w32) { struct mp_vo_opts *opts = w32->opts; int screen = w32->current_fs ? opts->fsscreen_id : opts->screen_id; // Handle --fs-screen=all if (w32->current_fs && screen == -2) { struct mp_rect rc = { GetSystemMetrics(SM_XVIRTUALSCREEN), GetSystemMetrics(SM_YVIRTUALSCREEN), GetSystemMetrics(SM_CXVIRTUALSCREEN), GetSystemMetrics(SM_CYVIRTUALSCREEN), }; rc.x1 += rc.x0; rc.y1 += rc.y0; w32->screenrc = rc; return; } // When not using --fs-screen=all, mpv belongs to a specific HMONITOR HMONITOR mon; if (screen == -1) { // Handle --fs-screen=current and --screen=default mon = MonitorFromWindow(w32->window, MONITOR_DEFAULTTOPRIMARY); } else { mon = get_monitor(screen); if (!mon) { MP_INFO(w32, "Screen %d does not exist, falling back to primary\n", screen); mon = MonitorFromPoint((POINT){0, 0}, MONITOR_DEFAULTTOPRIMARY); } } MONITORINFO mi = { .cbSize = sizeof(mi) }; GetMonitorInfoW(mon, &mi); w32->screenrc = (struct mp_rect){ mi.rcMonitor.left, mi.rcMonitor.top, mi.rcMonitor.right, mi.rcMonitor.bottom, }; } static DWORD update_style(struct vo_w32_state *w32, DWORD style) { const DWORD NO_FRAME = WS_OVERLAPPED | WS_MINIMIZEBOX; const DWORD FRAME = WS_OVERLAPPEDWINDOW; const DWORD FULLSCREEN = NO_FRAME | WS_SYSMENU; style &= ~(NO_FRAME | FRAME | FULLSCREEN); if (w32->current_fs) { style |= FULLSCREEN; } else { style |= w32->opts->border ? FRAME : NO_FRAME; } return style; } // Update the window title, position, size, and border style. static void reinit_window_state(struct vo_w32_state *w32) { HWND layer = HWND_NOTOPMOST; RECT r; if (w32->parent) return; bool new_fs = w32->toggle_fs ? !w32->current_fs : w32->opts->fullscreen; bool toggle_fs = w32->current_fs != new_fs; w32->current_fs = new_fs; w32->toggle_fs = false; if (w32->taskbar_list) { ITaskbarList2_MarkFullscreenWindow(w32->taskbar_list, w32->window, w32->current_fs); } DWORD style = update_style(w32, GetWindowLongPtrW(w32->window, GWL_STYLE)); if (w32->opts->ontop) layer = HWND_TOPMOST; // xxx not sure if this can trigger any unwanted messages (WM_MOVE/WM_SIZE) update_screen_rect(w32); int screen_w = w32->screenrc.x1 - w32->screenrc.x0; int screen_h = w32->screenrc.y1 - w32->screenrc.y0; if (w32->current_fs) { // Save window position and size when switching to fullscreen. if (toggle_fs) { w32->prev_width = w32->dw; w32->prev_height = w32->dh; w32->prev_x = w32->window_x; w32->prev_y = w32->window_y; MP_VERBOSE(w32, "save window bounds: %d:%d:%d:%d\n", w32->prev_x, w32->prev_y, w32->prev_width, w32->prev_height); } w32->window_x = w32->screenrc.x0; w32->window_y = w32->screenrc.y0; w32->dw = screen_w; w32->dh = screen_h; } else { if (toggle_fs) { // Restore window position and size when switching from fullscreen. MP_VERBOSE(w32, "restore window bounds: %d:%d:%d:%d\n", w32->prev_x, w32->prev_y, w32->prev_width, w32->prev_height); w32->dw = w32->prev_width; w32->dh = w32->prev_height; w32->window_x = w32->prev_x; w32->window_y = w32->prev_y; } } r.left = w32->window_x; r.right = r.left + w32->dw; r.top = w32->window_y; r.bottom = r.top + w32->dh; SetWindowLongPtrW(w32->window, GWL_STYLE, style); RECT cr = r; add_window_borders(w32->window, &r); // Check on client area size instead of window size on --fit-border=no long o_w; long o_h; if( w32->opts->fit_border ) { o_w = r.right - r.left; o_h = r.bottom - r.top; } else { o_w = cr.right - cr.left; o_h = cr.bottom - cr.top; } if ( !w32->current_fs && ( o_w > screen_w || o_h > screen_h ) ) { MP_VERBOSE(w32, "requested window size larger than the screen\n"); // Use the aspect of the client area, not the full window size. // Basically, try to compute the maximum window size. long n_w; long n_h; if( w32->opts->fit_border ) { n_w = screen_w - (r.right - cr.right) - (cr.left - r.left); n_h = screen_h - (r.bottom - cr.bottom) - (cr.top - r.top); } else { n_w = screen_w; n_h = screen_h; } // Letterbox double asp = (cr.right - cr.left) / (double)(cr.bottom - cr.top); double s_asp = n_w / (double)n_h; if (asp > s_asp) { n_h = n_w / asp; } else { n_w = n_h * asp; } // Save new size w32->dw = n_w; w32->dh = n_h; // Get old window center long o_cx = r.left + (r.right - r.left) / 2; long o_cy = r.top + (r.bottom - r.top) / 2; // Add window borders to the new window size r = (RECT){.right = n_w, .bottom = n_h}; add_window_borders(w32->window, &r); // Get top and left border size for client area position calculation long b_top = -r.top; long b_left = -r.left; // Center the final window around the old window center n_w = r.right - r.left; n_h = r.bottom - r.top; r.left = o_cx - n_w / 2; r.top = o_cy - n_h / 2; r.right = r.left + n_w; r.bottom = r.top + n_h; // Save new client area position w32->window_x = r.left + b_left; w32->window_y = r.top + b_top; } MP_VERBOSE(w32, "reset window bounds: %d:%d:%d:%d\n", (int) r.left, (int) r.top, (int)(r.right - r.left), (int)(r.bottom - r.top)); SetWindowPos(w32->window, layer, r.left, r.top, r.right - r.left, r.bottom - r.top, SWP_FRAMECHANGED | SWP_SHOWWINDOW); signal_events(w32, VO_EVENT_RESIZE); } static void gui_thread_reconfig(void *ptr) { struct vo_w32_state *w32 = ptr; struct vo *vo = w32->vo; struct vo_win_geometry geo; vo_calc_window_geometry(vo, &w32->screenrc, &geo); vo_apply_window_geometry(vo, &geo); bool reset_size = w32->o_dwidth != vo->dwidth || w32->o_dheight != vo->dheight; bool pos_init = false; w32->o_dwidth = vo->dwidth; w32->o_dheight = vo->dheight; // the desired size is ignored in wid mode, it always matches the window size. if (!w32->parent) { if (w32->window_bounds_initialized) { // restore vo_dwidth/vo_dheight, which are reset against our will // in vo_config() RECT r; GetClientRect(w32->window, &r); vo->dwidth = r.right; vo->dheight = r.bottom; } else { w32->window_bounds_initialized = true; reset_size = true; pos_init = true; w32->window_x = w32->prev_x = geo.win.x0; w32->window_y = w32->prev_y = geo.win.y0; } if (reset_size) { w32->prev_width = vo->dwidth = w32->o_dwidth; w32->prev_height = vo->dheight = w32->o_dheight; } } else { RECT r; GetClientRect(w32->window, &r); vo->dwidth = r.right; vo->dheight = r.bottom; } // Recenter window around old position on new video size // excluding the case when initial position handled by win_state. if (!pos_init) { w32->window_x += w32->dw / 2 - vo->dwidth / 2; w32->window_y += w32->dh / 2 - vo->dheight / 2; } w32->dw = vo->dwidth; w32->dh = vo->dheight; reinit_window_state(w32); } // Resize the window. On the first call, it's also made visible. void vo_w32_config(struct vo *vo) { struct vo_w32_state *w32 = vo->w32; mp_dispatch_run(w32->dispatch, gui_thread_reconfig, w32); } static void thread_disable_ime(void) { // Disables the IME for windows on this thread. imm32.dll must be loaded // dynamically to account for machines without East Asian language support. HMODULE imm32 = LoadLibraryW(L"imm32.dll"); if (!imm32) return; BOOL (WINAPI *pImmDisableIME)(DWORD) = (BOOL (WINAPI*)(DWORD)) GetProcAddress(imm32, "ImmDisableIME"); if (pImmDisableIME) pImmDisableIME(0); FreeLibrary(imm32); } static void w32_api_load(struct vo_w32_state *w32) { HMODULE shcore_dll = LoadLibraryW(L"shcore.dll"); w32->api.pGetDpiForMonitor = !shcore_dll ? NULL : (void *)GetProcAddress(shcore_dll, "GetDpiForMonitor"); } static void *gui_thread(void *ptr) { struct vo_w32_state *w32 = ptr; bool ole_ok = false; int res = 0; mpthread_set_name("win32 window"); w32_api_load(w32); thread_disable_ime(); w32_thread_context = w32; if (w32->opts->WinID >= 0) w32->parent = (HWND)(intptr_t)(w32->opts->WinID); ATOM cls = get_window_class(); if (w32->parent) { RECT r; GetClientRect(w32->parent, &r); w32->window = CreateWindowExW(WS_EX_NOPARENTNOTIFY, (LPWSTR)MAKEINTATOM(cls), L"mpv", WS_CHILD | WS_VISIBLE, 0, 0, r.right, r.bottom, w32->parent, 0, HINST_THISCOMPONENT, NULL); // Install a hook to get notifications when the parent changes size if (w32->window) install_parent_hook(w32); } else { w32->window = CreateWindowExW(0, (LPWSTR)MAKEINTATOM(cls), L"mpv", update_style(w32, 0), CW_USEDEFAULT, SW_HIDE, 100, 100, 0, 0, HINST_THISCOMPONENT, NULL); } if (!w32->window) { MP_ERR(w32, "unable to create window!\n"); goto done; } if (SUCCEEDED(OleInitialize(NULL))) { ole_ok = true; fmtetc_url.cfFormat = (CLIPFORMAT)RegisterClipboardFormat(TEXT("UniformResourceLocatorW")); DropTarget* dropTarget = talloc(NULL, DropTarget); DropTarget_Init(dropTarget, w32); RegisterDragDrop(w32->window, &dropTarget->iface); // ITaskbarList2 has the MarkFullscreenWindow method, which is used to // make sure the taskbar is hidden when mpv goes fullscreen if (SUCCEEDED(CoCreateInstance(&CLSID_TaskbarList, NULL, CLSCTX_INPROC_SERVER, &IID_ITaskbarList2, (void**)&w32->taskbar_list))) { if (FAILED(ITaskbarList2_HrInit(w32->taskbar_list))) { ITaskbarList2_Release(w32->taskbar_list); w32->taskbar_list = NULL; } } // ITaskbarList3 has methods for status indication on taskbar buttons, // however that interface is only available on Win7/2008 R2 or newer if (SUCCEEDED(CoCreateInstance(&CLSID_TaskbarList, NULL, CLSCTX_INPROC_SERVER, &IID_ITaskbarList3, (void**)&w32->taskbar_list3))) { if (FAILED(ITaskbarList3_HrInit(w32->taskbar_list3))) { ITaskbarList3_Release(w32->taskbar_list3); w32->taskbar_list3 = NULL; } else { w32->tbtnCreatedMsg = RegisterWindowMessage(L"TaskbarButtonCreated"); } } } else { MP_ERR(w32, "Failed to initialize OLE/COM\n"); } w32->tracking = FALSE; w32->trackEvent = (TRACKMOUSEEVENT){ .cbSize = sizeof(TRACKMOUSEEVENT), .dwFlags = TME_LEAVE, .hwndTrack = w32->window, }; if (w32->parent) EnableWindow(w32->window, 0); w32->cursor_visible = true; update_screen_rect(w32); mp_dispatch_set_wakeup_fn(w32->dispatch, wakeup_gui_thread, w32); res = 1; done: mp_rendezvous(w32, res); // init barrier // This blocks until the GUI thread is to be exited. if (res) run_message_loop(w32); MP_VERBOSE(w32, "uninit\n"); remove_parent_hook(w32); if (w32->window && !w32->destroyed) DestroyWindow(w32->window); if (w32->taskbar_list) ITaskbarList2_Release(w32->taskbar_list); if (w32->taskbar_list3) ITaskbarList3_Release(w32->taskbar_list3); if (ole_ok) OleUninitialize(); SetThreadExecutionState(ES_CONTINUOUS); w32_thread_context = NULL; return NULL; } // Returns: 1 = Success, 0 = Failure int vo_w32_init(struct vo *vo) { assert(!vo->w32); struct vo_w32_state *w32 = talloc_ptrtype(vo, w32); *w32 = (struct vo_w32_state){ .log = mp_log_new(w32, vo->log, "win32"), .vo = vo, .opts = vo->opts, .input_ctx = vo->input_ctx, .dispatch = mp_dispatch_create(w32), }; vo->w32 = w32; if (pthread_create(&w32->thread, NULL, gui_thread, w32)) goto fail; if (!mp_rendezvous(w32, 0)) { // init barrier pthread_join(w32->thread, NULL); goto fail; } // While the UI runs in its own thread, the thread in which this function // runs in will be the renderer thread. Apply magic MMCSS cargo-cult, // which might stop Windows from throttling clock rate and so on. if (vo->opts->mmcss_profile[0]) { wchar_t *profile = mp_from_utf8(NULL, vo->opts->mmcss_profile); w32->avrt_handle = AvSetMmThreadCharacteristicsW(profile, &(DWORD){0}); talloc_free(profile); } return 1; fail: talloc_free(w32); vo->w32 = NULL; return 0; } struct disp_names_data { HMONITOR assoc; int count; char **names; }; static BOOL CALLBACK disp_names_proc(HMONITOR mon, HDC dc, LPRECT r, LPARAM p) { struct disp_names_data *data = (struct disp_names_data*)p; // get_disp_names() adds data->assoc to the list, so skip it here if (mon == data->assoc) return TRUE; MONITORINFOEXW mi = { .cbSize = sizeof mi }; if (GetMonitorInfoW(mon, (MONITORINFO*)&mi)) { MP_TARRAY_APPEND(NULL, data->names, data->count, mp_to_utf8(NULL, mi.szDevice)); } return TRUE; } static char **get_disp_names(struct vo_w32_state *w32) { // Get the client area of the window in screen space RECT rect = { 0 }; GetClientRect(w32->window, &rect); MapWindowPoints(w32->window, NULL, (POINT*)&rect, 2); struct disp_names_data data = { .assoc = w32->monitor }; // Make sure the monitor that Windows considers to be associated with the // window is first in the list MONITORINFOEXW mi = { .cbSize = sizeof mi }; if (GetMonitorInfoW(data.assoc, (MONITORINFO*)&mi)) { MP_TARRAY_APPEND(NULL, data.names, data.count, mp_to_utf8(NULL, mi.szDevice)); } // Get the names of the other monitors that intersect the client rect EnumDisplayMonitors(NULL, &rect, disp_names_proc, (LPARAM)&data); MP_TARRAY_APPEND(NULL, data.names, data.count, NULL); return data.names; } static int gui_thread_control(struct vo_w32_state *w32, int request, void *arg) { switch (request) { case VOCTRL_FULLSCREEN: if (w32->opts->fullscreen != w32->current_fs) reinit_window_state(w32); return VO_TRUE; case VOCTRL_ONTOP: reinit_window_state(w32); return VO_TRUE; case VOCTRL_BORDER: reinit_window_state(w32); return VO_TRUE; case VOCTRL_GET_FULLSCREEN: *(bool *)arg = w32->toggle_fs != w32->current_fs; return VO_TRUE; case VOCTRL_GET_UNFS_WINDOW_SIZE: { int *s = arg; if (!w32->window_bounds_initialized) return VO_FALSE; s[0] = w32->current_fs ? w32->prev_width : w32->dw; s[1] = w32->current_fs ? w32->prev_height : w32->dh; return VO_TRUE; } case VOCTRL_SET_UNFS_WINDOW_SIZE: { int *s = arg; if (!w32->window_bounds_initialized) return VO_FALSE; if (w32->current_fs) { w32->prev_x += w32->prev_width / 2 - s[0] / 2; w32->prev_y += w32->prev_height / 2 - s[1] / 2; w32->prev_width = s[0]; w32->prev_height = s[1]; } else { w32->window_x += w32->dw / 2 - s[0] / 2; w32->window_y += w32->dh / 2 - s[1] / 2; w32->dw = s[0]; w32->dh = s[1]; } reinit_window_state(w32); return VO_TRUE; } case VOCTRL_GET_WIN_STATE: *(int *)arg = IsIconic(w32->window) ? VO_WIN_STATE_MINIMIZED : 0; return VO_TRUE; case VOCTRL_SET_CURSOR_VISIBILITY: w32->cursor_visible = *(bool *)arg; if (w32->can_set_cursor && w32->tracking) { if (w32->cursor_visible) SetCursor(LoadCursor(NULL, IDC_ARROW)); else SetCursor(NULL); } return VO_TRUE; case VOCTRL_KILL_SCREENSAVER: w32->disable_screensaver = true; SetThreadExecutionState(ES_CONTINUOUS | ES_SYSTEM_REQUIRED | ES_DISPLAY_REQUIRED); return VO_TRUE; case VOCTRL_RESTORE_SCREENSAVER: w32->disable_screensaver = false; SetThreadExecutionState(ES_CONTINUOUS); return VO_TRUE; case VOCTRL_UPDATE_WINDOW_TITLE: { wchar_t *title = mp_from_utf8(NULL, (char *)arg); SetWindowTextW(w32->window, title); talloc_free(title); return VO_TRUE; } case VOCTRL_UPDATE_PLAYBACK_STATE: { w32->current_pstate = *(struct voctrl_playback_state *)arg; update_playback_state(w32); return VO_TRUE; } case VOCTRL_GET_DISPLAY_FPS: update_display_info(w32); *(double*) arg = w32->display_fps; return VO_TRUE; case VOCTRL_GET_DISPLAY_NAMES: *(char ***)arg = get_disp_names(w32); return VO_TRUE; case VOCTRL_GET_ICC_PROFILE: update_display_info(w32); if (w32->color_profile) { bstr *p = arg; *p = stream_read_file(w32->color_profile, NULL, w32->vo->global, 100000000); // 100 MB return p->len ? VO_TRUE : VO_FALSE; } return VO_FALSE; } return VO_NOTIMPL; } static void do_control(void *ptr) { void **p = ptr; struct vo_w32_state *w32 = p[0]; int *events = p[1]; int request = *(int *)p[2]; void *arg = p[3]; int *ret = p[4]; *ret = gui_thread_control(w32, request, arg); *events |= atomic_fetch_and(&w32->event_flags, 0); // Safe access, since caller (owner of vo) is blocked. if (*events & VO_EVENT_RESIZE) { w32->vo->dwidth = w32->dw; w32->vo->dheight = w32->dh; } if (*events & VO_EVENT_FULLSCREEN_STATE) reinit_window_state(w32); } int vo_w32_control(struct vo *vo, int *events, int request, void *arg) { struct vo_w32_state *w32 = vo->w32; if (request == VOCTRL_CHECK_EVENTS) { *events |= atomic_fetch_and(&w32->event_flags, 0); if (*events & VO_EVENT_RESIZE) { mp_dispatch_lock(w32->dispatch); vo->dwidth = w32->dw; vo->dheight = w32->dh; mp_dispatch_unlock(w32->dispatch); } if (*events & VO_EVENT_FULLSCREEN_STATE) reinit_window_state(w32); return VO_TRUE; } else { int r; void *p[] = {w32, events, &request, arg, &r}; mp_dispatch_run(w32->dispatch, do_control, p); return r; } } static void do_terminate(void *ptr) { struct vo_w32_state *w32 = ptr; w32->terminate = true; if (!w32->destroyed) DestroyWindow(w32->window); mp_dispatch_interrupt(w32->dispatch); } void vo_w32_uninit(struct vo *vo) { struct vo_w32_state *w32 = vo->w32; if (!w32) return; mp_dispatch_run(w32->dispatch, do_terminate, w32); pthread_join(w32->thread, NULL); AvRevertMmThreadCharacteristics(w32->avrt_handle); talloc_free(w32); vo->w32 = NULL; } HWND vo_w32_hwnd(struct vo *vo) { struct vo_w32_state *w32 = vo->w32; return w32->window; // immutable, so no synchronization needed } void vo_w32_run_on_thread(struct vo *vo, void (*cb)(void *ctx), void *ctx) { struct vo_w32_state *w32 = vo->w32; mp_dispatch_run(w32->dispatch, cb, ctx); }