mirror of
https://github.com/mpv-player/mpv
synced 2024-12-23 23:32:26 +00:00
bd169a313c
Seems silly, but was requested.
1247 lines
37 KiB
C
1247 lines
37 KiB
C
/*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <stdio.h>
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#include <limits.h>
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#include <pthread.h>
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#include <assert.h>
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#include <windows.h>
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#include <windowsx.h>
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#include <ole2.h>
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#include "options/options.h"
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#include "input/keycodes.h"
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#include "input/input.h"
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#include "input/event.h"
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#include "common/msg.h"
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#include "common/common.h"
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#include "vo.h"
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#include "win_state.h"
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#include "w32_common.h"
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#include "osdep/io.h"
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#include "osdep/w32_keyboard.h"
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#include "misc/dispatch.h"
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#include "misc/rendezvous.h"
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#include "talloc.h"
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#define WIN_ID_TO_HWND(x) ((HWND)(intptr_t)(x))
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static const wchar_t classname[] = L"mpv";
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static __thread struct vo_w32_state *w32_thread_context;
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struct vo_w32_state {
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struct mp_log *log;
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struct vo *vo;
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struct mp_vo_opts *opts;
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struct input_ctx *input_ctx;
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pthread_t thread;
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bool terminate;
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struct mp_dispatch_queue *dispatch; // used to run stuff on the GUI thread
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HWND window;
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// Size and virtual position of the current screen.
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struct mp_rect screenrc;
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// last non-fullscreen extends (updated only on fullscreen or on initialization)
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int prev_width;
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int prev_height;
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int prev_x;
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int prev_y;
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// Has the window seen a WM_DESTROY? If so, don't call DestroyWindow again.
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bool destroyed;
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// whether the window position and size were intialized
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bool window_bounds_initialized;
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bool current_fs;
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// currently known window state
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int window_x;
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int window_y;
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int dw;
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int dh;
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// video size
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uint32_t o_dwidth;
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uint32_t o_dheight;
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bool disable_screensaver;
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bool cursor_visible;
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int event_flags;
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int mon_cnt;
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int mon_id;
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BOOL tracking;
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TRACKMOUSEEVENT trackEvent;
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int mouse_x;
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int mouse_y;
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// UTF-16 decoding state for WM_CHAR and VK_PACKET
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int high_surrogate;
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};
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typedef struct tagDropTarget {
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IDropTarget iface;
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ULONG refCnt;
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DWORD lastEffect;
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IDataObject* dataObj;
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struct vo_w32_state *w32;
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} DropTarget;
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static FORMATETC fmtetc_file = { CF_HDROP, 0, DVASPECT_CONTENT, -1, TYMED_HGLOBAL };
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static FORMATETC fmtetc_url = { 0, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL };
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static void DropTarget_Destroy(DropTarget* This)
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{
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if (This->dataObj != NULL) {
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This->dataObj->lpVtbl->Release(This->dataObj);
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This->dataObj->lpVtbl = NULL;
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}
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talloc_free(This);
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}
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static HRESULT STDMETHODCALLTYPE DropTarget_QueryInterface(IDropTarget* This,
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REFIID riid,
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void** ppvObject)
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{
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if (!IsEqualGUID(riid, &IID_IUnknown) ||
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!IsEqualGUID(riid, &IID_IDataObject)) {
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*ppvObject = NULL;
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return E_NOINTERFACE;
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}
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*ppvObject = This;
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This->lpVtbl->AddRef(This);
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return S_OK;
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}
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static ULONG STDMETHODCALLTYPE DropTarget_AddRef(IDropTarget* This)
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{
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DropTarget* t = (DropTarget*)This;
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return ++(t->refCnt);
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}
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static ULONG STDMETHODCALLTYPE DropTarget_Release(IDropTarget* This)
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{
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DropTarget* t = (DropTarget*)This;
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ULONG cRef = --(t->refCnt);
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if (cRef == 0) {
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DropTarget_Destroy(t);
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}
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return cRef;
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}
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static HRESULT STDMETHODCALLTYPE DropTarget_DragEnter(IDropTarget* This,
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IDataObject* pDataObj,
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DWORD grfKeyState,
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POINTL pt,
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DWORD* pdwEffect)
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{
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DropTarget* t = (DropTarget*)This;
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pDataObj->lpVtbl->AddRef(pDataObj);
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if (pDataObj->lpVtbl->QueryGetData(pDataObj, &fmtetc_file) != S_OK &&
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pDataObj->lpVtbl->QueryGetData(pDataObj, &fmtetc_url) != S_OK) {
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*pdwEffect = DROPEFFECT_NONE;
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}
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if (t->dataObj != NULL) {
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t->dataObj->lpVtbl->Release(t->dataObj);
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}
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t->dataObj = pDataObj;
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t->lastEffect = *pdwEffect;
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return S_OK;
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}
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static HRESULT STDMETHODCALLTYPE DropTarget_DragOver(IDropTarget* This,
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DWORD grfKeyState,
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POINTL pt,
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DWORD* pdwEffect)
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{
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DropTarget* t = (DropTarget*)This;
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*pdwEffect = t->lastEffect;
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return S_OK;
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}
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static HRESULT STDMETHODCALLTYPE DropTarget_DragLeave(IDropTarget* This)
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{
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DropTarget* t = (DropTarget*)This;
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if (t->dataObj != NULL) {
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t->dataObj->lpVtbl->Release(t->dataObj);
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t->dataObj = NULL;
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}
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return S_OK;
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}
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static HRESULT STDMETHODCALLTYPE DropTarget_Drop(IDropTarget* This,
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IDataObject* pDataObj,
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DWORD grfKeyState, POINTL pt,
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DWORD* pdwEffect)
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{
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DropTarget* t = (DropTarget*)This;
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STGMEDIUM medium;
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if (t->dataObj != NULL) {
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t->dataObj->lpVtbl->Release(t->dataObj);
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t->dataObj = NULL;
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}
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pDataObj->lpVtbl->AddRef(pDataObj);
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if (pDataObj->lpVtbl->GetData(pDataObj, &fmtetc_file, &medium) == S_OK) {
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if (GlobalLock(medium.hGlobal) != NULL) {
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HDROP hDrop = (HDROP)medium.hGlobal;
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UINT numFiles = DragQueryFileW(hDrop, 0xFFFFFFFF, NULL, 0);
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char** files = talloc_zero_array(NULL, char*, numFiles);
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UINT nrecvd_files = 0;
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for (UINT i = 0; i < numFiles; i++) {
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UINT len = DragQueryFileW(hDrop, i, NULL, 0);
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wchar_t* buf = talloc_array(NULL, wchar_t, len + 1);
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if (DragQueryFileW(hDrop, i, buf, len + 1) == len) {
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char* fname = mp_to_utf8(files, buf);
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files[nrecvd_files++] = fname;
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MP_VERBOSE(t->w32, "received dropped file: %s\n",
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fname);
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} else {
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MP_ERR(t->w32, "error getting dropped file name\n");
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}
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talloc_free(buf);
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}
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GlobalUnlock(medium.hGlobal);
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mp_event_drop_files(t->w32->input_ctx, nrecvd_files, files);
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talloc_free(files);
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}
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ReleaseStgMedium(&medium);
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} else if (pDataObj->lpVtbl->GetData(pDataObj,
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&fmtetc_url, &medium) == S_OK) {
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// get the URL encoded in US-ASCII
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char* url = (char*)GlobalLock(medium.hGlobal);
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if (url != NULL) {
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if (mp_event_drop_mime_data(t->w32->input_ctx, "text/uri-list",
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bstr0(url)) > 0) {
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MP_VERBOSE(t->w32, "received dropped URL: %s\n", url);
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} else {
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MP_ERR(t->w32, "error getting dropped URL\n");
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}
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GlobalUnlock(medium.hGlobal);
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}
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ReleaseStgMedium(&medium);
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}
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else {
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t->lastEffect = DROPEFFECT_NONE;
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}
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pDataObj->lpVtbl->Release(pDataObj);
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*pdwEffect = t->lastEffect;
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return S_OK;
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}
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static void DropTarget_Init(DropTarget* This, struct vo_w32_state *w32)
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{
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IDropTargetVtbl* vtbl = talloc(This, IDropTargetVtbl);
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*vtbl = (IDropTargetVtbl){
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DropTarget_QueryInterface, DropTarget_AddRef, DropTarget_Release,
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DropTarget_DragEnter, DropTarget_DragOver, DropTarget_DragLeave,
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DropTarget_Drop
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};
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This->iface.lpVtbl = vtbl;
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This->refCnt = 0;
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This->lastEffect = 0;
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This->dataObj = NULL;
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This->w32 = w32;
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}
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static void add_window_borders(HWND hwnd, RECT *rc)
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{
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AdjustWindowRect(rc, GetWindowLong(hwnd, GWL_STYLE), 0);
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}
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// basically a reverse AdjustWindowRect (win32 doesn't appear to have this)
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static void subtract_window_borders(HWND hwnd, RECT *rc)
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{
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RECT b = { 0, 0, 0, 0 };
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add_window_borders(hwnd, &b);
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rc->left -= b.left;
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rc->top -= b.top;
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rc->right -= b.right;
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rc->bottom -= b.bottom;
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}
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// turn a WMSZ_* input value in v into the border that should be resized
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// returns: 0=left, 1=top, 2=right, 3=bottom, -1=undefined
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static int get_resize_border(int v)
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{
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switch (v) {
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case WMSZ_LEFT: return 3;
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case WMSZ_TOP: return 2;
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case WMSZ_RIGHT: return 3;
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case WMSZ_BOTTOM: return 2;
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case WMSZ_TOPLEFT: return 1;
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case WMSZ_TOPRIGHT: return 1;
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case WMSZ_BOTTOMLEFT: return 3;
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case WMSZ_BOTTOMRIGHT: return 3;
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default: return -1;
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}
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}
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static bool key_state(int vk)
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{
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return GetKeyState(vk) & 0x8000;
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}
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static int mod_state(struct vo_w32_state *w32)
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{
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int res = 0;
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// AltGr is represented as LCONTROL+RMENU on Windows
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bool alt_gr = mp_input_use_alt_gr(w32->input_ctx) &&
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key_state(VK_RMENU) && key_state(VK_LCONTROL);
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if (key_state(VK_RCONTROL) || (key_state(VK_LCONTROL) && !alt_gr))
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res |= MP_KEY_MODIFIER_CTRL;
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if (key_state(VK_SHIFT))
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res |= MP_KEY_MODIFIER_SHIFT;
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if (key_state(VK_LMENU) || (key_state(VK_RMENU) && !alt_gr))
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res |= MP_KEY_MODIFIER_ALT;
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return res;
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}
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static int decode_surrogate_pair(wchar_t lead, wchar_t trail)
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{
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return 0x10000 + ((lead & 0x3ff) << 10) | (trail & 0x3ff);
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}
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static int decode_utf16(struct vo_w32_state *w32, wchar_t c)
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{
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// Decode UTF-16, keeping state in w32->high_surrogate
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if (IS_HIGH_SURROGATE(c)) {
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w32->high_surrogate = c;
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return 0;
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}
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if (IS_LOW_SURROGATE(c)) {
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if (!w32->high_surrogate) {
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MP_ERR(w32, "Invalid UTF-16 input\n");
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return 0;
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}
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int codepoint = decode_surrogate_pair(w32->high_surrogate, c);
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w32->high_surrogate = 0;
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return codepoint;
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}
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if (w32->high_surrogate != 0) {
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w32->high_surrogate = 0;
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MP_ERR(w32, "Invalid UTF-16 input\n");
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return 0;
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}
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return c;
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}
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static void clear_keyboard_buffer(void)
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{
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static const UINT vkey = VK_DECIMAL;
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static const BYTE keys[256] = { 0 };
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UINT scancode = MapVirtualKey(vkey, MAPVK_VK_TO_VSC);
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wchar_t buf[10];
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int ret = 0;
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// Use the method suggested by Michael Kaplan to clear any pending dead
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// keys from the current keyboard layout. See:
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// https://web.archive.org/web/20101004154432/http://blogs.msdn.com/b/michkap/archive/2006/04/06/569632.aspx
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// https://web.archive.org/web/20100820152419/http://blogs.msdn.com/b/michkap/archive/2007/10/27/5717859.aspx
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do {
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ret = ToUnicode(vkey, scancode, keys, buf, MP_ARRAY_SIZE(buf), 0);
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} while (ret < 0);
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}
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static int to_unicode(UINT vkey, UINT scancode, const BYTE keys[256])
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{
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// This wraps ToUnicode to be stateless and to return only one character
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// Make the buffer 10 code units long to be safe, same as here:
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// https://web.archive.org/web/20101013215215/http://blogs.msdn.com/b/michkap/archive/2006/03/24/559169.aspx
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wchar_t buf[10] = { 0 };
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// Dead keys aren't useful for key shortcuts, so clear the keyboard state
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clear_keyboard_buffer();
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int len = ToUnicode(vkey, scancode, keys, buf, MP_ARRAY_SIZE(buf), 0);
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// Return the last complete UTF-16 code point. A negative return value
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// indicates a dead key, however there should still be a non-combining
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// version of the key in the buffer.
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if (len < 0)
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len = -len;
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if (len >= 2 && IS_SURROGATE_PAIR(buf[len - 2], buf[len - 1]))
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return decode_surrogate_pair(buf[len - 2], buf[len - 1]);
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if (len >= 1)
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return buf[len - 1];
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return 0;
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}
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static int decode_key(struct vo_w32_state *w32, UINT vkey, UINT scancode)
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{
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BYTE keys[256];
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GetKeyboardState(keys);
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// If mp_input_use_alt_gr is false, detect and remove AltGr so normal
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// characters are generated. Note that AltGr is represented as
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// LCONTROL+RMENU on Windows.
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if ((keys[VK_RMENU] & 0x80) && (keys[VK_LCONTROL] & 0x80) &&
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!mp_input_use_alt_gr(w32->input_ctx))
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{
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keys[VK_RMENU] = keys[VK_LCONTROL] = 0;
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keys[VK_MENU] = keys[VK_LMENU];
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keys[VK_CONTROL] = keys[VK_RCONTROL];
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}
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int c = to_unicode(vkey, scancode, keys);
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// Some shift states prevent ToUnicode from working or cause it to produce
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// control characters. If this is detected, remove modifiers until it
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// starts producing normal characters.
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if (c < 0x20 && (keys[VK_MENU] & 0x80)) {
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keys[VK_LMENU] = keys[VK_RMENU] = keys[VK_MENU] = 0;
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c = to_unicode(vkey, scancode, keys);
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}
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if (c < 0x20 && (keys[VK_CONTROL] & 0x80)) {
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keys[VK_LCONTROL] = keys[VK_RCONTROL] = keys[VK_CONTROL] = 0;
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c = to_unicode(vkey, scancode, keys);
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}
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if (c < 0x20)
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return 0;
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// Decode lone UTF-16 surrogates (VK_PACKET can generate these)
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if (c < 0x10000)
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return decode_utf16(w32, c);
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return c;
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}
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static void handle_key_down(struct vo_w32_state *w32, UINT vkey, UINT scancode)
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{
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// Ignore key repeat
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if (scancode & KF_REPEAT)
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return;
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int mpkey = mp_w32_vkey_to_mpkey(vkey, scancode & KF_EXTENDED);
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if (!mpkey) {
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mpkey = decode_key(w32, vkey, scancode & (0xff | KF_EXTENDED));
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if (!mpkey)
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return;
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}
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mp_input_put_key(w32->input_ctx, mpkey | mod_state(w32) | MP_KEY_STATE_DOWN);
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}
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static void handle_key_up(struct vo_w32_state *w32, UINT vkey, UINT scancode)
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{
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switch (vkey) {
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case VK_MENU:
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case VK_CONTROL:
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case VK_SHIFT:
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break;
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default:
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// Releasing all keys on key-up is simpler and ensures no keys can be
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// get "stuck." This matches the behaviour of other VOs.
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mp_input_put_key(w32->input_ctx, MP_INPUT_RELEASE_ALL);
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}
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}
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static bool handle_char(struct vo_w32_state *w32, wchar_t wc)
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{
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int c = decode_utf16(w32, wc);
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if (c == 0)
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return true;
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if (c < 0x20)
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return false;
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|
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mp_input_put_key(w32->input_ctx, c | mod_state(w32));
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return true;
|
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}
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|
|
static void signal_events(struct vo_w32_state *w32, int events)
|
|
{
|
|
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 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;
|
|
MP_VERBOSE(w32, "move window: %d:%d\n", w32->window_x, w32->window_y);
|
|
break;
|
|
}
|
|
case WM_SIZE: {
|
|
RECT r;
|
|
GetClientRect(w32->window, &r);
|
|
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);
|
|
break;
|
|
}
|
|
case WM_SIZING:
|
|
if (w32->opts->keepaspect && w32->opts->keepaspect_window &&
|
|
!w32->opts->fullscreen && w32->opts->WinID < 0)
|
|
{
|
|
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_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_DESTROY:
|
|
w32->destroyed = true;
|
|
PostQuitMessage(0);
|
|
return 0;
|
|
case WM_SYSCOMMAND:
|
|
switch (wParam) {
|
|
case SC_SCREENSAVE:
|
|
case SC_MONITORPOWER:
|
|
if (w32->disable_screensaver) {
|
|
MP_VERBOSE(w32, "killing screensaver\n");
|
|
return 0;
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
case WM_SYSKEYDOWN:
|
|
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:
|
|
if (LOWORD(lParam) == HTCLIENT && !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);
|
|
// 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;
|
|
}
|
|
|
|
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->opts->fullscreen &&
|
|
!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 bool is_key_message(UINT msg)
|
|
{
|
|
return msg == WM_KEYDOWN || msg == WM_SYSKEYDOWN ||
|
|
msg == WM_KEYUP || msg == WM_SYSKEYUP;
|
|
}
|
|
|
|
// 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) {
|
|
// Only send IME messages to TranslateMessage
|
|
if (is_key_message(msg.message) && msg.wParam == VK_PROCESSKEY)
|
|
TranslateMessage(&msg);
|
|
DispatchMessageW(&msg);
|
|
|
|
if (w32->opts->WinID >= 0) {
|
|
HWND parent = WIN_ID_TO_HWND(w32->opts->WinID);
|
|
RECT r, rp;
|
|
BOOL res = GetClientRect(w32->window, &r);
|
|
res = res && GetClientRect(parent, &rp);
|
|
if (res && (r.right != rp.right || r.bottom != rp.bottom))
|
|
MoveWindow(w32->window, 0, 0, rp.right, rp.bottom, FALSE);
|
|
|
|
// Window has probably been closed, e.g. due to parent program crash
|
|
if (!IsWindow(parent))
|
|
mp_input_put_key(w32->input_ctx, MP_KEY_CLOSE_WIN);
|
|
}
|
|
}
|
|
|
|
// 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);
|
|
}
|
|
|
|
static BOOL CALLBACK mon_enum(HMONITOR hmon, HDC hdc, LPRECT r, LPARAM p)
|
|
{
|
|
struct vo_w32_state *w32 = (void *)p;
|
|
// this defaults to the last screen if specified number does not exist
|
|
w32->screenrc = (struct mp_rect){r->left, r->top, r->right, r->bottom};
|
|
|
|
if (w32->mon_cnt == w32->mon_id)
|
|
return FALSE;
|
|
|
|
w32->mon_cnt++;
|
|
return TRUE;
|
|
}
|
|
|
|
static void w32_update_xinerama_info(struct vo_w32_state *w32)
|
|
{
|
|
struct mp_vo_opts *opts = w32->opts;
|
|
int screen = opts->fullscreen ? opts->fsscreen_id : opts->screen_id;
|
|
|
|
if (opts->fullscreen && screen == -2) {
|
|
struct mp_rect rc = {
|
|
GetSystemMetrics(SM_XVIRTUALSCREEN),
|
|
GetSystemMetrics(SM_YVIRTUALSCREEN),
|
|
GetSystemMetrics(SM_CXVIRTUALSCREEN),
|
|
GetSystemMetrics(SM_CYVIRTUALSCREEN),
|
|
};
|
|
if (!rc.x1 || !rc.y1) {
|
|
rc.x0 = rc.y0 = 0;
|
|
rc.x1 = w32->screenrc.x1;
|
|
rc.y1 = w32->screenrc.y1;
|
|
}
|
|
rc.x1 += rc.x0;
|
|
rc.y1 += rc.y0;
|
|
w32->screenrc = rc;
|
|
} else if (screen == -1) {
|
|
MONITORINFO mi;
|
|
HMONITOR m = MonitorFromWindow(w32->window, MONITOR_DEFAULTTOPRIMARY);
|
|
mi.cbSize = sizeof(mi);
|
|
GetMonitorInfoW(m, &mi);
|
|
w32->screenrc = (struct mp_rect){
|
|
mi.rcMonitor.left, mi.rcMonitor.top,
|
|
mi.rcMonitor.right, mi.rcMonitor.bottom,
|
|
};
|
|
} else if (screen >= 0) {
|
|
w32->mon_cnt = 0;
|
|
w32->mon_id = screen;
|
|
EnumDisplayMonitors(NULL, NULL, mon_enum, (LONG_PTR)w32);
|
|
}
|
|
}
|
|
|
|
static void updateScreenProperties(struct vo_w32_state *w32)
|
|
{
|
|
DEVMODE dm;
|
|
dm.dmSize = sizeof dm;
|
|
dm.dmDriverExtra = 0;
|
|
dm.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
|
|
|
|
if (!EnumDisplaySettings(0, ENUM_CURRENT_SETTINGS, &dm)) {
|
|
MP_ERR(w32, "unable to enumerate display settings!\n");
|
|
return;
|
|
}
|
|
|
|
w32->screenrc = (struct mp_rect){0, 0, dm.dmPelsWidth, dm.dmPelsHeight};
|
|
w32_update_xinerama_info(w32);
|
|
}
|
|
|
|
static DWORD update_style(struct vo_w32_state *w32, DWORD style)
|
|
{
|
|
const DWORD NO_FRAME = WS_POPUP;
|
|
const DWORD FRAME = WS_OVERLAPPEDWINDOW | WS_SIZEBOX;
|
|
style &= ~(NO_FRAME | FRAME);
|
|
style |= (w32->opts->border && !w32->opts->fullscreen) ? FRAME : NO_FRAME;
|
|
return style;
|
|
}
|
|
|
|
// Update the window title, position, size, and border style.
|
|
static int reinit_window_state(struct vo_w32_state *w32)
|
|
{
|
|
HWND layer = HWND_NOTOPMOST;
|
|
RECT r;
|
|
|
|
if (w32->opts->WinID >= 0)
|
|
return 1;
|
|
|
|
bool toggle_fs = w32->current_fs != w32->opts->fullscreen;
|
|
w32->current_fs = w32->opts->fullscreen;
|
|
|
|
DWORD style = update_style(w32, GetWindowLong(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)
|
|
updateScreenProperties(w32);
|
|
|
|
int screen_w = w32->screenrc.x1 - w32->screenrc.x0;
|
|
int screen_h = w32->screenrc.y1 - w32->screenrc.y0;
|
|
|
|
if (w32->opts->fullscreen) {
|
|
// 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;
|
|
|
|
SetWindowLong(w32->window, GWL_STYLE, style);
|
|
|
|
RECT cr = r;
|
|
add_window_borders(w32->window, &r);
|
|
|
|
if (!w32->opts->fullscreen &&
|
|
((r.right - r.left) >= screen_w || (r.bottom - r.top) >= 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 = screen_w - (r.right - cr.right) - (cr.left - r.left) - 1;
|
|
long n_h = screen_h - (r.bottom - cr.bottom) - (cr.top - r.top) - 1;
|
|
// 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;
|
|
}
|
|
r = (RECT){.right = n_w, .bottom = n_h};
|
|
add_window_borders(w32->window, &r);
|
|
// Center the final window
|
|
n_w = r.right - r.left;
|
|
n_h = r.bottom - r.top;
|
|
r.left = screen_w / 2 - n_w / 2;
|
|
r.top = screen_h / 2 - n_h / 2;
|
|
r.right = r.left + n_w;
|
|
r.bottom = r.top + n_h;
|
|
}
|
|
|
|
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);
|
|
// For some reason, moving SWP_SHOWWINDOW to a second call works better
|
|
// with wine: returning from fullscreen doesn't cause a bogus resize to
|
|
// screen size.
|
|
// It's not needed on Windows XP or wine with a virtual desktop.
|
|
// It doesn't seem to have any negative effects.
|
|
SetWindowPos(w32->window, NULL, 0, 0, 0, 0,
|
|
SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW);
|
|
|
|
signal_events(w32, VO_EVENT_RESIZE);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static void gui_thread_reconfig(void *ptr)
|
|
{
|
|
void **p = ptr;
|
|
struct vo_w32_state *w32 = p[0];
|
|
uint32_t flags = *(uint32_t *)p[1];
|
|
int *res = p[2];
|
|
|
|
struct vo *vo = w32->vo;
|
|
|
|
// we already have a fully initialized window, so nothing needs to be done
|
|
if (flags & VOFLAG_HIDDEN) {
|
|
*res = 1;
|
|
return;
|
|
}
|
|
|
|
struct vo_win_geometry geo;
|
|
vo_calc_window_geometry(vo, &w32->screenrc, &geo);
|
|
vo_apply_window_geometry(vo, &geo);
|
|
w32->dw = vo->dwidth;
|
|
w32->dh = vo->dheight;
|
|
|
|
bool reset_size = w32->o_dwidth != vo->dwidth || w32->o_dheight != vo->dheight;
|
|
|
|
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->opts->WinID < 0) {
|
|
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;
|
|
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;
|
|
}
|
|
|
|
*res = reinit_window_state(w32);
|
|
}
|
|
|
|
// Resize the window. On the first non-VOFLAG_HIDDEN call, it's also made visible.
|
|
int vo_w32_config(struct vo *vo, uint32_t flags)
|
|
{
|
|
struct vo_w32_state *w32 = vo->w32;
|
|
int r;
|
|
void *p[] = {w32, &flags, &r};
|
|
mp_dispatch_run(w32->dispatch, gui_thread_reconfig, p);
|
|
return r;
|
|
}
|
|
|
|
static void *gui_thread(void *ptr)
|
|
{
|
|
struct vo_w32_state *w32 = ptr;
|
|
bool ole_ok = false;
|
|
int res = 0;
|
|
|
|
HINSTANCE hInstance = GetModuleHandleW(NULL);
|
|
|
|
WNDCLASSEXW wcex = {
|
|
.cbSize = sizeof wcex,
|
|
.style = CS_HREDRAW | CS_VREDRAW,
|
|
.lpfnWndProc = WndProc,
|
|
.hInstance = hInstance,
|
|
.hIcon = LoadIconW(hInstance, L"IDI_ICON1"),
|
|
.hCursor = LoadCursor(NULL, IDC_ARROW),
|
|
.lpszClassName = classname,
|
|
};
|
|
|
|
if (!RegisterClassExW(&wcex)) {
|
|
MP_ERR(w32, "unable to register window class!\n");
|
|
goto done;
|
|
}
|
|
|
|
w32_thread_context = w32;
|
|
|
|
if (w32->opts->WinID >= 0) {
|
|
RECT r;
|
|
GetClientRect(WIN_ID_TO_HWND(w32->opts->WinID), &r);
|
|
w32->window = CreateWindowExW(WS_EX_NOPARENTNOTIFY, classname,
|
|
classname,
|
|
WS_CHILD | WS_VISIBLE,
|
|
0, 0, r.right, r.bottom,
|
|
WIN_ID_TO_HWND(w32->opts->WinID),
|
|
0, hInstance, NULL);
|
|
} else {
|
|
w32->window = CreateWindowExW(0, classname,
|
|
classname,
|
|
update_style(w32, 0),
|
|
CW_USEDEFAULT, SW_HIDE, 100, 100,
|
|
0, 0, hInstance, NULL);
|
|
}
|
|
|
|
if (!w32->window) {
|
|
MP_ERR(w32, "unable to create window!\n");
|
|
goto done;
|
|
}
|
|
|
|
if (OleInitialize(NULL) == S_OK) {
|
|
fmtetc_url.cfFormat = (CLIPFORMAT)RegisterClipboardFormat(TEXT("UniformResourceLocator"));
|
|
DropTarget* dropTarget = talloc(NULL, DropTarget);
|
|
DropTarget_Init(dropTarget, w32);
|
|
RegisterDragDrop(w32->window, &dropTarget->iface);
|
|
ole_ok = true;
|
|
}
|
|
|
|
w32->tracking = FALSE;
|
|
w32->trackEvent = (TRACKMOUSEEVENT){
|
|
.cbSize = sizeof(TRACKMOUSEEVENT),
|
|
.dwFlags = TME_LEAVE,
|
|
.hwndTrack = w32->window,
|
|
};
|
|
|
|
if (w32->opts->WinID >= 0)
|
|
EnableWindow(w32->window, 0);
|
|
|
|
w32->cursor_visible = true;
|
|
|
|
updateScreenProperties(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");
|
|
|
|
if (w32->window) {
|
|
RevokeDragDrop(w32->window);
|
|
DestroyWindow(w32->window);
|
|
}
|
|
if (ole_ok)
|
|
OleUninitialize();
|
|
SetThreadExecutionState(ES_CONTINUOUS);
|
|
UnregisterClassW(classname, 0);
|
|
|
|
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;
|
|
}
|
|
|
|
return 1;
|
|
fail:
|
|
talloc_free(w32);
|
|
vo->w32 = NULL;
|
|
return 0;
|
|
}
|
|
|
|
static bool vo_w32_is_cursor_in_client(struct vo_w32_state *w32)
|
|
{
|
|
DWORD pos = GetMessagePos();
|
|
return SendMessage(w32->window, WM_NCHITTEST, 0, pos) == HTCLIENT;
|
|
}
|
|
|
|
static int gui_thread_control(struct vo_w32_state *w32, int *events,
|
|
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:
|
|
w32->opts->ontop = !w32->opts->ontop;
|
|
reinit_window_state(w32);
|
|
return VO_TRUE;
|
|
case VOCTRL_BORDER:
|
|
w32->opts->border = !w32->opts->border;
|
|
reinit_window_state(w32);
|
|
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_width = s[0];
|
|
w32->prev_height = s[1];
|
|
} else {
|
|
w32->dw = s[0];
|
|
w32->dh = s[1];
|
|
}
|
|
|
|
reinit_window_state(w32);
|
|
return VO_TRUE;
|
|
}
|
|
case VOCTRL_SET_CURSOR_VISIBILITY:
|
|
w32->cursor_visible = *(bool *)arg;
|
|
|
|
if (vo_w32_is_cursor_in_client(w32)) {
|
|
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_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;
|
|
}
|
|
}
|
|
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, events, request, arg);
|
|
*events |= w32->event_flags;
|
|
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;
|
|
}
|
|
}
|
|
|
|
int vo_w32_control(struct vo *vo, int *events, int request, void *arg)
|
|
{
|
|
struct vo_w32_state *w32 = vo->w32;
|
|
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);
|
|
}
|
|
|
|
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);
|
|
|
|
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);
|
|
}
|