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MeshAgent/meshcore/KVM/Windows/input.c
2017-10-12 14:28:03 -07:00

249 lines
8.4 KiB
C

/*
Copyright 2006 - 2015 Intel Corporation
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#if defined(_LINKVM)
#include <Windows.h>
#include <Winuser.h>
#include <stdio.h>
#include "input.h"
/*
#if defined(WIN32) && !defined(_WIN32_WCE)
#define _CRTDBG_MAP_ALLOC
#include <crtdbg.h>
#endif
*/
/*
MOUSEEVENTF_LEFTDOWN 0x0002
MOUSEEVENTF_RIGHTDOWN 0x0008
MOUSEEVENTF_MIDDLEDOWN 0x0020
MOUSEEVENTF_LEFTUP 0x0004
MOUSEEVENTF_RIGHTUP 0x0010
MOUSEEVENTF_MIDDLEUP 0x0040
*/
void MouseAction(double absX, double absY, int button, short wheel)
{
INPUT mouse;
mouse.type = INPUT_MOUSE;
mouse.mi.dx = (long) absX;
mouse.mi.dy = (long) absY;
mouse.mi.mouseData = wheel;
mouse.mi.dwFlags = MOUSEEVENTF_ABSOLUTE | MOUSEEVENTF_VIRTUALDESK | MOUSEEVENTF_MOVE | button;
if (wheel) mouse.mi.dwFlags |= MOUSEEVENTF_WHEEL;
mouse.mi.time = 0;
mouse.mi.dwExtraInfo = 0;
SendInput(1, &mouse, sizeof(INPUT));
}
// Handling keyboard Input
// MSDN References:
// Keyboard input structure: http://msdn.microsoft.com/en-us/library/ms646271%28v=VS.85%29.aspx
// Virtual key-codes: http://msdn.microsoft.com/en-us/library/dd375731%28v=VS.85%29.aspx
void KeyAction(unsigned char keycode, int up)
{
HWND windowHandle = GetForegroundWindow();
INPUT key;
if (windowHandle == NULL) return;
SetForegroundWindow(windowHandle);
key.type = INPUT_KEYBOARD;
key.ki.wVk = keycode;
key.ki.dwFlags = 0;
if (up == 1) key.ki.dwFlags = KEYEVENTF_KEYUP; // 1 = UP
else if (up == 3) key.ki.dwFlags = KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP; // 3 = EXUP
else if (up == 4) key.ki.dwFlags = KEYEVENTF_EXTENDEDKEY; // 4 = EXDOWN
key.ki.time = 0;
key.ki.wScan = (WORD)MapVirtualKey((UINT)keycode, MAPVK_VK_TO_VSC); // This is required to make RDP client work.
key.ki.dwExtraInfo = 0;
SendInput(1, &key, sizeof(INPUT));
}
// Windows 8 Touch Related Support
#define MAX_TOUCH_COUNT 256
#define TOUCH_FEEDBACK_DEFAULT 0x1
#define TOUCH_FEEDBACK_INDIRECT 0x2
#define TOUCH_FEEDBACK_NONE 0x3
#if WINVER < 0x0602 // If compiled on anything below Windows8
typedef enum _POINTER_BUTTON_CHANGE_TYPE { // This is a guess as what these values are, check for real values for this enum
POINTER_CHANGE_NONE = 0x00000000,
POINTER_CHANGE_FIRSTBUTTON_DOWN = 0x00000001,
POINTER_CHANGE_FIRSTBUTTON_UP = 0x00000002,
POINTER_CHANGE_SECONDBUTTON_DOWN = 0x00000004,
POINTER_CHANGE_SECONDBUTTON_UP = 0x00000010,
POINTER_CHANGE_THIRDBUTTON_DOWN = 0x00000020,
POINTER_CHANGE_THIRDBUTTON_UP = 0x00000040,
POINTER_CHANGE_FOURTHBUTTON_DOWN = 0x00000100,
POINTER_CHANGE_FOURTHBUTTON_UP = 0x00000200,
POINTER_CHANGE_FIFTHBUTTON_DOWN = 0x00000400,
POINTER_CHANGE_FIFTHBUTTON_UP = 0x00001000
} POINTER_BUTTON_CHANGE_TYPE;
typedef enum tagPOINTER_FLAGS {
POINTER_FLAG_NONE = 0x00000000,
POINTER_FLAG_NEW = 0x00000001,
POINTER_FLAG_INRANGE = 0x00000002,
POINTER_FLAG_INCONTACT = 0x00000004,
POINTER_FLAG_FIRSTBUTTON = 0x00000010,
POINTER_FLAG_SECONDBUTTON = 0x00000020,
POINTER_FLAG_THIRDBUTTON = 0x00000040,
POINTER_FLAG_FOURTHBUTTON = 0x00000080,
POINTER_FLAG_FIFTHBUTTON = 0x00000100,
POINTER_FLAG_PRIMARY = 0x00002000,
POINTER_FLAG_CONFIDENCE = 0x000004000,
POINTER_FLAG_CANCELED = 0x000008000,
POINTER_FLAG_DOWN = 0x00010000,
POINTER_FLAG_UPDATE = 0x00020000,
POINTER_FLAG_UP = 0x00040000,
POINTER_FLAG_WHEEL = 0x00080000,
POINTER_FLAG_HWHEEL = 0x00100000,
POINTER_FLAG_CAPTURECHANGED = 0x00200000
} POINTER_FLAGS;
typedef enum tagPOINTER_INPUT_TYPE {
PT_POINTER = 0x00000001,
PT_TOUCH = 0x00000002,
PT_PEN = 0x00000003,
PT_MOUSE = 0x00000004
} POINTER_INPUT_TYPE;
typedef enum tagTOUCH_MASK {
TOUCH_MASK_NONE = 0x00000000,
TOUCH_MASK_CONTACTAREA = 0x00000001,
TOUCH_MASK_ORIENTATION = 0x00000002,
TOUCH_MASK_PRESSURE = 0x00000004,
} TOUCH_MASK;
typedef struct tagPOINTER_INFO {
POINTER_INPUT_TYPE pointerType;
UINT32 pointerId;
UINT32 frameId;
POINTER_FLAGS pointerFlags;
HANDLE sourceDevice;
HWND hwndTarget;
POINT ptPixelLocation;
POINT ptHimetricLocation;
POINT ptPixelLocationRaw;
POINT ptHimetricLocationRaw;
DWORD dwTime;
UINT32 historyCount;
INT32 inputData;
DWORD dwKeyStates;
UINT64 PerformanceCount;
POINTER_BUTTON_CHANGE_TYPE ButtonChangeType;
} POINTER_INFO;
typedef struct tagPOINTER_TOUCH_INFO {
POINTER_INFO pointerInfo;
int touchFlags;
int touchMask;
RECT rcContact;
RECT rcContactRaw;
UINT32 orientation;
UINT32 pressure;
} POINTER_TOUCH_INFO;
#endif
typedef BOOL(WINAPI *_InitializeTouchInjection)(UINT32 maxCount, DWORD dwMode);
typedef BOOL(WINAPI *_InjectTouchInput)(UINT32 count, const POINTER_TOUCH_INFO *contacts);
_InjectTouchInput g_TouchInjectionCall = NULL;
HMODULE g_TouchLoadLibrary = NULL;
int g_TouchLoadLibraryState = 0;
int TouchInit()
{
_InitializeTouchInjection init = NULL;
if (g_TouchLoadLibraryState > 0) return g_TouchLoadLibraryState;
g_TouchLoadLibrary = LoadLibrary(TEXT("User32.dll"));
if (g_TouchLoadLibrary == NULL) { g_TouchLoadLibraryState = 2; return 2; }
init = (_InitializeTouchInjection)GetProcAddress(g_TouchLoadLibrary, "InitializeTouchInjection");
g_TouchInjectionCall = (_InjectTouchInput)GetProcAddress(g_TouchLoadLibrary, "InjectTouchInput");
if (init == NULL || g_TouchInjectionCall == NULL || !init(MAX_TOUCH_COUNT, TOUCH_FEEDBACK_DEFAULT)) { FreeLibrary(g_TouchLoadLibrary); g_TouchLoadLibraryState = 2; return 2; }
g_TouchLoadLibraryState = 1;
return 1;
}
void TouchUnInit()
{
if (g_TouchLoadLibraryState != 1) return;
FreeLibrary(g_TouchLoadLibrary);
g_TouchLoadLibrary = NULL;
g_TouchInjectionCall = NULL;
g_TouchLoadLibraryState = 0;
}
void MakeTouchObject(POINTER_TOUCH_INFO* contact, unsigned char id, POINTER_FLAGS flags, int x, int y)
{
memset(contact, 0, sizeof(POINTER_TOUCH_INFO));
contact->pointerInfo.pointerType = PT_TOUCH; // we're sending touch input
contact->pointerInfo.pointerId = id; // contact id
contact->pointerInfo.ptPixelLocation.x = x;
contact->pointerInfo.ptPixelLocation.y = y;
contact->pointerInfo.pointerFlags = flags;
contact->touchFlags = 0;
contact->touchMask = TOUCH_MASK_CONTACTAREA | TOUCH_MASK_ORIENTATION | TOUCH_MASK_PRESSURE;
contact->orientation = 90;
contact->pressure = 32000;
// Contact area
contact->rcContact.top = contact->pointerInfo.ptPixelLocation.y - 2;
contact->rcContact.bottom = contact->pointerInfo.ptPixelLocation.y + 2;
contact->rcContact.left = contact->pointerInfo.ptPixelLocation.x - 2;
contact->rcContact.right = contact->pointerInfo.ptPixelLocation.x + 2;
}
int TouchAction1(unsigned char id, unsigned int flags, unsigned short x, unsigned short y)
{
POINTER_TOUCH_INFO contact;
if (g_TouchLoadLibraryState != 1) return 0;
MakeTouchObject(&contact, id, (POINTER_FLAGS)flags, x, y);
if (!g_TouchInjectionCall(1, &contact)) { printf("TOUCH1ERROR: id=%d, flags=%d, x=%d, y=%d, err=%ld\r\n", id, flags, x, y, GetLastError()); return 1; }
//printf("TOUCH: id=%d, flags=%d, x=%d, y=%d\r\n", id, flags, x, y);
return 0;
}
int TouchAction2(char* data, int datalen, int scaling)
{
int i, records = datalen / 9;
POINTER_TOUCH_INFO contact[16];
if (g_TouchLoadLibraryState != 1) return 0;
if (records > 16) records = 16;
for (i = 0; i < records; i++) {
int flags = (int)ntohl(((unsigned int*)(data + (9 * i) + 1))[0]);
int x = (int)(ntohs(((unsigned short*)(data + (9 * i) + 5))[0]));
int y = (int)(ntohs(((unsigned short*)(data + (9 * i) + 7))[0]));
x = (x * 1024) / scaling;
y = (y * 1024) / scaling;
MakeTouchObject(&contact[i], data[i * 9], (POINTER_FLAGS)flags, x, y);
//printf("TOUCH2: flags=%d, x=%d, y=%d\r\n", flags, x, y);
}
if (!g_TouchInjectionCall(records, contact)) { printf("TOUCH2ERROR: records=%d, err=%ld\r\n", records, GetLastError()); return 1; }
return 0;
}
#endif