+++ /dev/null
-// Copyright (c) 2015 Ryan Prichard
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to
-// deal in the Software without restriction, including without limitation the
-// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
-// sell copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
-// IN THE SOFTWARE.
-
-#include "DebugShowInput.h"
-
-#include <windows.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-#include <string>
-
-#include "../shared/StringBuilder.h"
-#include "InputMap.h"
-
-namespace {
-
-struct Flag {
- DWORD value;
- const char *text;
-};
-
-static const Flag kButtonStates[] = {
- { FROM_LEFT_1ST_BUTTON_PRESSED, "1" },
- { FROM_LEFT_2ND_BUTTON_PRESSED, "2" },
- { FROM_LEFT_3RD_BUTTON_PRESSED, "3" },
- { FROM_LEFT_4TH_BUTTON_PRESSED, "4" },
- { RIGHTMOST_BUTTON_PRESSED, "R" },
-};
-
-static const Flag kControlKeyStates[] = {
- { CAPSLOCK_ON, "CapsLock" },
- { ENHANCED_KEY, "Enhanced" },
- { LEFT_ALT_PRESSED, "LAlt" },
- { LEFT_CTRL_PRESSED, "LCtrl" },
- { NUMLOCK_ON, "NumLock" },
- { RIGHT_ALT_PRESSED, "RAlt" },
- { RIGHT_CTRL_PRESSED, "RCtrl" },
- { SCROLLLOCK_ON, "ScrollLock" },
- { SHIFT_PRESSED, "Shift" },
-};
-
-static const Flag kMouseEventFlags[] = {
- { DOUBLE_CLICK, "Double" },
- { 8/*MOUSE_HWHEELED*/, "HWheel" },
- { MOUSE_MOVED, "Move" },
- { MOUSE_WHEELED, "Wheel" },
-};
-
-static void writeFlags(StringBuilder &out, DWORD flags,
- const char *remainderName,
- const Flag *table, size_t tableSize,
- char pre, char sep, char post) {
- DWORD remaining = flags;
- bool wroteSomething = false;
- for (size_t i = 0; i < tableSize; ++i) {
- const Flag &f = table[i];
- if ((f.value & flags) == f.value) {
- if (!wroteSomething && pre != '\0') {
- out << pre;
- } else if (wroteSomething && sep != '\0') {
- out << sep;
- }
- out << f.text;
- wroteSomething = true;
- remaining &= ~f.value;
- }
- }
- if (remaining != 0) {
- if (!wroteSomething && pre != '\0') {
- out << pre;
- } else if (wroteSomething && sep != '\0') {
- out << sep;
- }
- out << remainderName << "(0x" << hexOfInt(remaining) << ')';
- wroteSomething = true;
- }
- if (wroteSomething && post != '\0') {
- out << post;
- }
-}
-
-template <size_t n>
-static void writeFlags(StringBuilder &out, DWORD flags,
- const char *remainderName,
- const Flag (&table)[n],
- char pre, char sep, char post) {
- writeFlags(out, flags, remainderName, table, n, pre, sep, post);
-}
-
-} // anonymous namespace
-
-std::string controlKeyStatePrefix(DWORD controlKeyState) {
- StringBuilder sb;
- writeFlags(sb, controlKeyState,
- "keyState", kControlKeyStates, '\0', '-', '-');
- return sb.str_moved();
-}
-
-std::string mouseEventToString(const MOUSE_EVENT_RECORD &mer) {
- const uint16_t buttons = mer.dwButtonState & 0xFFFF;
- const int16_t wheel = mer.dwButtonState >> 16;
- StringBuilder sb;
- sb << "pos=" << mer.dwMousePosition.X << ','
- << mer.dwMousePosition.Y;
- writeFlags(sb, mer.dwControlKeyState, "keyState", kControlKeyStates, ' ', ' ', '\0');
- writeFlags(sb, mer.dwEventFlags, "flags", kMouseEventFlags, ' ', ' ', '\0');
- writeFlags(sb, buttons, "buttons", kButtonStates, ' ', ' ', '\0');
- if (wheel != 0) {
- sb << " wheel=" << wheel;
- }
- return sb.str_moved();
-}
-
-void debugShowInput(bool enableMouse, bool escapeInput) {
- HANDLE conin = GetStdHandle(STD_INPUT_HANDLE);
- DWORD origConsoleMode = 0;
- if (!GetConsoleMode(conin, &origConsoleMode)) {
- fprintf(stderr, "Error: could not read console mode -- "
- "is STDIN a console handle?\n");
- exit(1);
- }
- DWORD restoreConsoleMode = origConsoleMode;
- if (enableMouse && !(restoreConsoleMode & ENABLE_EXTENDED_FLAGS)) {
- // We need to disable QuickEdit mode, because it blocks mouse events.
- // If ENABLE_EXTENDED_FLAGS wasn't originally in the console mode, then
- // we have no way of knowning whether QuickEdit or InsertMode are
- // currently enabled. Enable them both (eventually), because they're
- // sensible defaults. This case shouldn't happen typically. See
- // misc/EnableExtendedFlags.txt.
- restoreConsoleMode |= ENABLE_EXTENDED_FLAGS;
- restoreConsoleMode |= ENABLE_QUICK_EDIT_MODE;
- restoreConsoleMode |= ENABLE_INSERT_MODE;
- }
- DWORD newConsoleMode = restoreConsoleMode;
- newConsoleMode &= ~ENABLE_PROCESSED_INPUT;
- newConsoleMode &= ~ENABLE_LINE_INPUT;
- newConsoleMode &= ~ENABLE_ECHO_INPUT;
- newConsoleMode |= ENABLE_WINDOW_INPUT;
- if (enableMouse) {
- newConsoleMode |= ENABLE_MOUSE_INPUT;
- newConsoleMode &= ~ENABLE_QUICK_EDIT_MODE;
- } else {
- newConsoleMode &= ~ENABLE_MOUSE_INPUT;
- }
- if (escapeInput) {
- // As of this writing (2016-06-05), Microsoft has shipped two preview
- // builds of Windows 10 (14316 and 14342) that include a new "Windows
- // Subsystem for Linux" that runs Ubuntu in a new subsystem. Running
- // bash in this subsystem requires the non-legacy console mode, and the
- // console input buffer is put into a special mode where escape
- // sequences are written into the console input buffer. This mode is
- // enabled with the 0x200 flag, which is as-yet undocumented.
- // See https://github.com/rprichard/winpty/issues/82.
- newConsoleMode |= 0x200;
- }
- if (!SetConsoleMode(conin, newConsoleMode)) {
- fprintf(stderr, "Error: could not set console mode "
- "(0x%x -> 0x%x -> 0x%x)\n",
- static_cast<unsigned int>(origConsoleMode),
- static_cast<unsigned int>(newConsoleMode),
- static_cast<unsigned int>(restoreConsoleMode));
- exit(1);
- }
- printf("\nPress any keys -- Ctrl-D exits\n\n");
- INPUT_RECORD records[32];
- DWORD actual = 0;
- bool finished = false;
- while (!finished &&
- ReadConsoleInputW(conin, records, 32, &actual) && actual >= 1) {
- StringBuilder sb;
- for (DWORD i = 0; i < actual; ++i) {
- const INPUT_RECORD &record = records[i];
- if (record.EventType == KEY_EVENT) {
- const KEY_EVENT_RECORD &ker = record.Event.KeyEvent;
- InputMap::Key key = {
- ker.wVirtualKeyCode,
- ker.uChar.UnicodeChar,
- static_cast<uint16_t>(ker.dwControlKeyState),
- };
- sb << "key: " << (ker.bKeyDown ? "dn" : "up")
- << " rpt=" << ker.wRepeatCount
- << " scn=" << (ker.wVirtualScanCode ? "0x" : "") << hexOfInt(ker.wVirtualScanCode)
- << ' ' << key.toString() << '\n';
- if ((ker.dwControlKeyState &
- (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED)) &&
- ker.wVirtualKeyCode == 'D') {
- finished = true;
- break;
- } else if (ker.wVirtualKeyCode == 0 &&
- ker.wVirtualScanCode == 0 &&
- ker.uChar.UnicodeChar == 4) {
- // Also look for a zeroed-out Ctrl-D record generated for
- // ENABLE_VIRTUAL_TERMINAL_INPUT.
- finished = true;
- break;
- }
- } else if (record.EventType == MOUSE_EVENT) {
- const MOUSE_EVENT_RECORD &mer = record.Event.MouseEvent;
- sb << "mouse: " << mouseEventToString(mer) << '\n';
- } else if (record.EventType == WINDOW_BUFFER_SIZE_EVENT) {
- const WINDOW_BUFFER_SIZE_RECORD &wbsr =
- record.Event.WindowBufferSizeEvent;
- sb << "buffer-resized: dwSize=("
- << wbsr.dwSize.X << ','
- << wbsr.dwSize.Y << ")\n";
- } else if (record.EventType == MENU_EVENT) {
- const MENU_EVENT_RECORD &mer = record.Event.MenuEvent;
- sb << "menu-event: commandId=0x"
- << hexOfInt(mer.dwCommandId) << '\n';
- } else if (record.EventType == FOCUS_EVENT) {
- const FOCUS_EVENT_RECORD &fer = record.Event.FocusEvent;
- sb << "focus: " << (fer.bSetFocus ? "gained" : "lost") << '\n';
- }
- }
-
- const auto str = sb.str_moved();
- fwrite(str.data(), 1, str.size(), stdout);
- fflush(stdout);
- }
- SetConsoleMode(conin, restoreConsoleMode);
-}
projects / VSoRC / .git / blobdiff