mirror of https://github.com/robotn/gohook.git
336 lines
10 KiB
C
336 lines
10 KiB
C
/* Copyright (C) 2006-2017 Alexander Barker.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published
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* by the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdio.h>
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#include "../iohook.h"
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#include <windows.h>
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// #include "logger.h"
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#include "input.h"
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// Some buggy versions of MinGW and MSys do not include these constants in winuser.h.
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#ifndef MAPVK_VK_TO_VSC
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#define MAPVK_VK_TO_VSC 0
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#define MAPVK_VSC_TO_VK 1
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#define MAPVK_VK_TO_CHAR 2
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#define MAPVK_VSC_TO_VK_EX 3
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#endif
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// Some buggy versions of MinGW and MSys only define this value for Windows
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// versions >= 0x0600 (Windows Vista) when it should be 0x0500 (Windows 2000).
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#ifndef MAPVK_VK_TO_VSC_EX
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#define MAPVK_VK_TO_VSC_EX 4
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#endif
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#ifndef KEYEVENTF_SCANCODE
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#define KEYEVENTF_EXTENDEDKEY 0x0001
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#define KEYEVENTF_KEYUP 0x0002
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#define KEYEVENTF_UNICODE 0x0004
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#define KEYEVENTF_SCANCODE 0x0008
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#endif
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#ifndef KEYEVENTF_KEYDOWN
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#define KEYEVENTF_KEYDOWN 0x0000
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#endif
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#define MAX_WINDOWS_COORD_VALUE 65535
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static UINT keymask_lookup[8] = {
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VK_LSHIFT,
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VK_LCONTROL,
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VK_LWIN,
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VK_LMENU,
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VK_RSHIFT,
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VK_RCONTROL,
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VK_RWIN,
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VK_RMENU
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};
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IOHOOK_API void hook_post_event(iohook_event * const event) {
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//FIXME implement multiple monitor support
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uint16_t screen_width = GetSystemMetrics( SM_CXSCREEN );
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uint16_t screen_height = GetSystemMetrics( SM_CYSCREEN );
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unsigned char events_size = 0, events_max = 28;
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INPUT *events = malloc(sizeof(INPUT) * events_max);
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if (event->mask & (MASK_SHIFT | MASK_CTRL | MASK_META | MASK_ALT)) {
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unsigned int i;
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for (i = 0; i < sizeof(keymask_lookup) / sizeof(UINT); i++) {
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if (event->mask & 1 << i) {
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events[events_size].type = INPUT_KEYBOARD;
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events[events_size].ki.wVk = keymask_lookup[i];
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events[events_size].ki.dwFlags = KEYEVENTF_KEYDOWN;
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events[events_size].ki.time = 0; // Use current system time.
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events_size++;
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}
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}
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}
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if (event->mask & (MASK_BUTTON1 | MASK_BUTTON2 | MASK_BUTTON3 | MASK_BUTTON4 | MASK_BUTTON5)) {
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events[events_size].type = INPUT_MOUSE;
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events[events_size].mi.dx = 0; // Relative mouse movement due to
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events[events_size].mi.dy = 0; // MOUSEEVENTF_ABSOLUTE not being set.
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events[events_size].mi.mouseData = 0x00;
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events[events_size].mi.time = 0; // Use current system time.
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if (event->mask & MASK_BUTTON1) {
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events[events_size].mi.mouseData |= MOUSEEVENTF_LEFTDOWN;
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}
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if (event->mask & MASK_BUTTON2) {
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events[events_size].mi.mouseData |= MOUSEEVENTF_RIGHTDOWN;
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}
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if (event->mask & MASK_BUTTON3) {
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events[events_size].mi.mouseData |= MOUSEEVENTF_MIDDLEDOWN;
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}
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if (event->mask & MASK_BUTTON4) {
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events[events_size].mi.mouseData = XBUTTON1;
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events[events_size].mi.mouseData |= MOUSEEVENTF_XDOWN;
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}
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if (event->mask & MASK_BUTTON5) {
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events[events_size].mi.mouseData = XBUTTON2;
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events[events_size].mi.dwFlags |= MOUSEEVENTF_XDOWN;
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}
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events_size++;
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}
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switch (event->type) {
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case EVENT_KEY_PRESSED:
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events[events_size].ki.wVk = scancode_to_keycode(event->data.keyboard.keycode);
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if (events[events_size].ki.wVk != 0x0000) {
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events[events_size].type = INPUT_KEYBOARD;
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events[events_size].ki.dwFlags = KEYEVENTF_KEYDOWN; // |= KEYEVENTF_SCANCODE;
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events[events_size].ki.wScan = 0; // event->data.keyboard.keycode;
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events[events_size].ki.time = 0; // GetSystemTime()
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events_size++;
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}
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else {
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logger(LOG_LEVEL_INFO, "%s [%u]: Unable to lookup scancode: %li\n",
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__FUNCTION__, __LINE__,
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event->data.keyboard.keycode);
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}
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break;
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case EVENT_KEY_RELEASED:
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events[events_size].ki.wVk = scancode_to_keycode(event->data.keyboard.keycode);
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if (events[events_size].ki.wVk != 0x0000) {
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events[events_size].type = INPUT_KEYBOARD;
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events[events_size].ki.dwFlags = KEYEVENTF_KEYUP; // |= KEYEVENTF_SCANCODE;
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events[events_size].ki.wVk = scancode_to_keycode(event->data.keyboard.keycode);
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events[events_size].ki.wScan = 0; // event->data.keyboard.keycode;
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events[events_size].ki.time = 0; // GetSystemTime()
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events_size++;
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}
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else {
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logger(LOG_LEVEL_INFO, "%s [%u]: Unable to lookup scancode: %li\n",
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__FUNCTION__, __LINE__,
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event->data.keyboard.keycode);
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}
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break;
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case EVENT_MOUSE_PRESSED:
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events[events_size].type = INPUT_MOUSE;
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events[events_size].mi.dwFlags = MOUSEEVENTF_XDOWN;
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switch (event->data.mouse.button) {
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case MOUSE_BUTTON1:
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events[events_size].mi.dwFlags = MOUSEEVENTF_LEFTDOWN;
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break;
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case MOUSE_BUTTON2:
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events[events_size].mi.dwFlags = MOUSEEVENTF_RIGHTDOWN;
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break;
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case MOUSE_BUTTON3:
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events[events_size].mi.dwFlags = MOUSEEVENTF_MIDDLEDOWN;
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break;
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case MOUSE_BUTTON4:
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events[events_size].mi.mouseData = XBUTTON1;
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break;
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case MOUSE_BUTTON5:
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events[events_size].mi.mouseData = XBUTTON2;
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break;
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default:
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// Extra buttons.
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if (event->data.mouse.button > 3) {
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events[events_size].mi.mouseData = event->data.mouse.button - 3;
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}
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}
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events[events_size].mi.dx = event->data.mouse.x * (MAX_WINDOWS_COORD_VALUE / screen_width) + 1;
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events[events_size].mi.dy = event->data.mouse.y * (MAX_WINDOWS_COORD_VALUE / screen_height) + 1;
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events[events_size].mi.dwFlags |= MOUSEEVENTF_ABSOLUTE | MOUSEEVENTF_MOVE;
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events[events_size].mi.time = 0; // GetSystemTime()
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events_size++;
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break;
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case EVENT_MOUSE_RELEASED:
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events[events_size].type = INPUT_MOUSE;
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events[events_size].mi.dwFlags = MOUSEEVENTF_XUP;
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switch (event->data.mouse.button) {
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case MOUSE_BUTTON1:
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events[events_size].mi.dwFlags = MOUSEEVENTF_LEFTUP;
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break;
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case MOUSE_BUTTON2:
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events[events_size].mi.dwFlags = MOUSEEVENTF_RIGHTUP;
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break;
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case MOUSE_BUTTON3:
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events[events_size].mi.dwFlags = MOUSEEVENTF_MIDDLEUP;
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break;
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case MOUSE_BUTTON4:
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events[events_size].mi.mouseData = XBUTTON1;
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break;
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case MOUSE_BUTTON5:
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events[events_size].mi.mouseData = XBUTTON2;
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break;
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default:
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// Extra buttons.
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if (event->data.mouse.button > 3) {
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events[events_size].mi.mouseData = event->data.mouse.button - 3;
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}
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}
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events[events_size].mi.dx = event->data.mouse.x * (MAX_WINDOWS_COORD_VALUE / screen_width) + 1;
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events[events_size].mi.dy = event->data.mouse.y * (MAX_WINDOWS_COORD_VALUE / screen_height) + 1;
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events[events_size].mi.dwFlags |= MOUSEEVENTF_ABSOLUTE | MOUSEEVENTF_MOVE;
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events[events_size].mi.time = 0; // GetSystemTime()
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events_size++;
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break;
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case EVENT_MOUSE_WHEEL:
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events[events_size].type = INPUT_MOUSE;
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events[events_size].mi.dwFlags = MOUSEEVENTF_WHEEL;
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// type, amount and rotation?
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events[events_size].mi.mouseData = event->data.wheel.amount * event->data.wheel.rotation * WHEEL_DELTA;
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events[events_size].mi.dx = event->data.wheel.x * (MAX_WINDOWS_COORD_VALUE / screen_width) + 1;
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events[events_size].mi.dy = event->data.wheel.y * (MAX_WINDOWS_COORD_VALUE / screen_height) + 1;
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events[events_size].mi.dwFlags |= MOUSEEVENTF_ABSOLUTE | MOUSEEVENTF_MOVE;
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events[events_size].mi.time = 0; // GetSystemTime()
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events_size++;
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break;
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case EVENT_MOUSE_DRAGGED:
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// The button masks are all applied with the modifier masks.
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case EVENT_MOUSE_MOVED:
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events[events_size].type = INPUT_MOUSE;
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events[events_size].mi.dwFlags = MOUSEEVENTF_MOVE;
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events[events_size].mi.dx = event->data.mouse.x * (MAX_WINDOWS_COORD_VALUE / screen_width) + 1;
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events[events_size].mi.dy = event->data.mouse.y * (MAX_WINDOWS_COORD_VALUE / screen_height) + 1;
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events[events_size].mi.dwFlags |= MOUSEEVENTF_ABSOLUTE | MOUSEEVENTF_MOVE;
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events[events_size].mi.time = 0; // GetSystemTime()
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events_size++;
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break;
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case EVENT_MOUSE_CLICKED:
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case EVENT_KEY_TYPED:
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// Ignore clicked and typed events.
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case EVENT_HOOK_ENABLED:
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case EVENT_HOOK_DISABLED:
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// Ignore hook enabled / disabled events.
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default:
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// Ignore any other garbage.
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logger(LOG_LEVEL_WARN, "%s [%u]: Ignoring post event type %#X\n",
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__FUNCTION__, __LINE__, event->type);
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break;
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}
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// Release the previously held modifier keys used to fake the event mask.
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if (event->mask & (MASK_SHIFT | MASK_CTRL | MASK_META | MASK_ALT)) {
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unsigned int i;
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for (i = 0; i < sizeof(keymask_lookup) / sizeof(UINT); i++) {
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if (event->mask & 1 << i) {
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events[events_size].type = INPUT_KEYBOARD;
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events[events_size].ki.wVk = keymask_lookup[i];
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events[events_size].ki.dwFlags = KEYEVENTF_KEYUP;
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events[events_size].ki.time = 0; // Use current system time.
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events_size++;
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}
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}
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}
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if (event->mask & (MASK_BUTTON1 | MASK_BUTTON2 | MASK_BUTTON3 | MASK_BUTTON4 | MASK_BUTTON5)) {
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events[events_size].type = INPUT_MOUSE;
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events[events_size].mi.dx = 0; // Relative mouse movement due to
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events[events_size].mi.dy = 0; // MOUSEEVENTF_ABSOLUTE not being set.
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events[events_size].mi.mouseData = 0x00;
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events[events_size].mi.time = 0; // Use current system time.
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// If dwFlags does not contain MOUSEEVENTF_WHEEL, MOUSEEVENTF_XDOWN, or MOUSEEVENTF_XUP,
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// then mouseData should be zero.
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// http://msdn.microsoft.com/en-us/library/windows/desktop/ms646273%28v=vs.85%29.aspx
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if (event->mask & MASK_BUTTON1) {
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events[events_size].mi.dwFlags |= MOUSEEVENTF_LEFTUP;
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}
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if (event->mask & MASK_BUTTON2) {
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events[events_size].mi.dwFlags |= MOUSEEVENTF_RIGHTUP;
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}
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if (event->mask & MASK_BUTTON3) {
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events[events_size].mi.dwFlags |= MOUSEEVENTF_MIDDLEUP;
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}
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if (event->mask & MASK_BUTTON4) {
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events[events_size].mi.mouseData = XBUTTON1;
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events[events_size].mi.dwFlags |= MOUSEEVENTF_XUP;
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}
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if (event->mask & MASK_BUTTON5) {
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events[events_size].mi.mouseData = XBUTTON2;
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events[events_size].mi.dwFlags |= MOUSEEVENTF_XUP;
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}
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events_size++;
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}
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// Create the key release input
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// memcpy(key_events + 1, key_events, sizeof(INPUT));
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// key_events[1].ki.dwFlags |= KEYEVENTF_KEYUP;
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if (! SendInput(events_size, events, sizeof(INPUT)) ) {
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logger(LOG_LEVEL_ERROR, "%s [%u]: SendInput() failed! (%#lX)\n",
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__FUNCTION__, __LINE__, (unsigned long) GetLastError());
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}
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free(events);
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}
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