gecko-dev/widget/windows/nsWindowDbg.cpp

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

/*
 * nsWindowDbg - Debug related utilities for nsWindow.
 */

#include "mozilla/Logging.h"
#include "nsWindowDbg.h"
#include "WinUtils.h"

using namespace mozilla;
using namespace mozilla::widget;
extern mozilla::LazyLogModule gWindowsLog;

#if defined(POPUP_ROLLUP_DEBUG_OUTPUT)
MSGFEventMsgInfo gMSGFEvents[] = {
    "MSGF_DIALOGBOX", 0,    "MSGF_MESSAGEBOX", 1, "MSGF_MENU", 2,
    "MSGF_SCROLLBAR", 5,    "MSGF_NEXTWINDOW", 6, "MSGF_MAX",  8,
    "MSGF_USER",      4096, nullptr,           0};
#endif

static long gEventCounter = 0;
static long gLastEventMsg = 0;

void PrintEvent(UINT msg, bool aShowAllEvents, bool aShowMouseMoves) {
  int inx = 0;
  while (gAllEvents[inx].mId != msg && gAllEvents[inx].mStr != nullptr) {
    inx++;
  }
  if (aShowAllEvents || (!aShowAllEvents && gLastEventMsg != (long)msg)) {
    if (aShowMouseMoves ||
        (!aShowMouseMoves && msg != 0x0020 && msg != 0x0200 && msg != 0x0084)) {
      MOZ_LOG(gWindowsLog, LogLevel::Info,
              ("%6d - 0x%04X %s\n", gEventCounter++, msg,
               gAllEvents[inx].mStr ? gAllEvents[inx].mStr : "Unknown"));
      gLastEventMsg = msg;
    }
  }
}

#ifdef DEBUG
void DDError(const char *msg, HRESULT hr) {
  /*XXX make nicer */
  MOZ_LOG(gWindowsLog, LogLevel::Error,
          ("direct draw error %s: 0x%08lx\n", msg, hr));
}
#endif

#ifdef DEBUG_VK
bool is_vk_down(int vk) {
  SHORT st = GetKeyState(vk);
#  ifdef DEBUG
  MOZ_LOG(gWindowsLog, LogLevel::Info, ("is_vk_down vk=%x st=%x\n", vk, st));
#  endif
  return (st < 0);
}
#endif