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Allowing mouse events

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This commit is contained in:
WolverinDEV 2019-10-29 18:11:35 +01:00
parent 222b43f1d0
commit f2a7c39abe
2 changed files with 89 additions and 72 deletions
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14
native/ppt/src/KeyboardHook.h
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@ -11,7 +11,8 @@
#endif
class KeyboardHook {
#if defined(WIN32)
friend LRESULT CALLBACK keyboard_hook_callback(int, WPARAM, LPARAM);
friend LRESULT CALLBACK _keyboard_hook_callback(int, WPARAM, LPARAM);
friend LRESULT CALLBACK _mouse_hook_callback(int, WPARAM, LPARAM);
#endif
public:
struct KeyType {
@ -63,9 +64,14 @@ class KeyboardHook {
long end_id = 0;
#elif defined(WIN32)
typedef UINT KeyID;
HHOOK hook_id = nullptr;
bool _hook_callback(int, WPARAM, LPARAM);
#endif
HHOOK keyboad_hook_id{nullptr};
HHOOK mouse_hook_id{nullptr};
bool keyboard_hook_callback(int, WPARAM, LPARAM);
bool mouse_hook_callback(int, WPARAM, LPARAM);
#endif
void trigger_key_event(const enum KeyEvent::type&, const std::string& /* key */);
std::map<KeyID, bool> map_key;
std::map<KeyID, KeyID> map_special;

147
native/ppt/src/Win32KeyboardHook.cpp
View File

@ -1,11 +1,12 @@
#include <iostream>
#include <cassert>
#include <string>
#include "KeyboardHook.h"
using namespace std;
typedef KBDLLHOOKSTRUCT KeyboardHookStruct;
LRESULT CALLBACK keyboard_hook_callback(int, WPARAM, LPARAM);
typedef MSLLHOOKSTRUCT MouseHookStruct;
std::map<thread::id, KeyboardHook*> hook_handles;
KeyboardHook::KeyboardHook() {}
@ -14,6 +15,21 @@ KeyboardHook::~KeyboardHook() {
this->detach();
}
void KeyboardHook::trigger_key_event(const enum KeyEvent::type& type, const std::string &key) {
if(!this->callback_event) return;
auto event = make_shared<KeyboardHook::KeyEvent>();
event->type = type;
event->code = key;
event->key_alt = this->map_special[KeyType::KEY_ALT];
event->key_ctrl = this->map_special[KeyType::KEY_CTRL];
event->key_windows = this->map_special[KeyType::KEY_WIN];
event->key_shift = this->map_special[KeyType::KEY_SHIFT];
this->callback_event(event);
}
bool KeyboardHook::attach() {
assert(!this->_attached);
this->active = true;
@ -36,13 +52,38 @@ void KeyboardHook::detach() {
this->_attached = false;
}
LRESULT _keyboard_hook_callback(int nCode, WPARAM event, LPARAM ptr_keyboard) {
auto handle = hook_handles[this_thread::get_id()];
assert(handle);
auto consume = handle->keyboard_hook_callback(nCode, event, ptr_keyboard);
if(consume)
return 1;
return CallNextHookEx(nullptr, nCode, event, ptr_keyboard);
}
LRESULT _mouse_hook_callback(int nCode, WPARAM event, LPARAM ptr_keyboard) {
auto handle = hook_handles[this_thread::get_id()];
assert(handle);
auto consume = handle->mouse_hook_callback(nCode, event, ptr_keyboard);
if(consume)
return 1;
return CallNextHookEx(nullptr, nCode, event, ptr_keyboard);
}
void KeyboardHook::poll_events() {
hook_handles[this_thread::get_id()] = this;
this->hook_id = SetWindowsHookEx(WH_KEYBOARD_LL, keyboard_hook_callback, GetModuleHandle(nullptr), 0);
if(!this->hook_id) {
cerr << "Failed to register hook!" << endl;
this->keyboad_hook_id = SetWindowsHookEx(WH_KEYBOARD_LL, _keyboard_hook_callback, GetModuleHandle(nullptr), 0);
if(!this->keyboad_hook_id) {
cerr << "Failed to register keyboard hook" << endl;
return;
}
this->mouse_hook_id = SetWindowsHookEx(WH_MOUSE_LL, _mouse_hook_callback, GetModuleHandle(nullptr), 0);
if(!this->keyboad_hook_id) {
UnhookWindowsHookEx(this->keyboad_hook_id);
cerr << "Failed to register mouse hook" << endl;
return;
}
MSG msg;
while(!GetMessage(&msg, nullptr, 0, 0) && this->active) {
@ -50,19 +91,10 @@ void KeyboardHook::poll_events() {
DispatchMessage(&msg);
}
UnhookWindowsHookEx(this->hook_id);
UnhookWindowsHookEx(this->keyboad_hook_id);
hook_handles[this_thread::get_id()] = nullptr;
}
LRESULT keyboard_hook_callback(int nCode, WPARAM event, LPARAM ptr_keyboard) {
auto handle = hook_handles[this_thread::get_id()];
assert(handle);
auto consume = handle->_hook_callback(nCode, event, ptr_keyboard);
if(consume)
return 1;
return CallNextHookEx(nullptr, nCode, event, ptr_keyboard);
}
inline std::string key_code(DWORD code, bool extended = false) {
auto scan_code = MapVirtualKey(code, MAPVK_VK_TO_VSC);
if(extended)
@ -78,7 +110,7 @@ inline std::string key_code(DWORD code, bool extended = false) {
inline std::string key_code(KeyboardHookStruct* keyboard) {
return key_code(keyboard->vkCode, (keyboard->flags & LLKHF_EXTENDED) > 0);
}
}
using KeyType = KeyboardHook::KeyType;
//https://docs.microsoft.com/en-us/windows/desktop/inputdev/virtual-key-codes
@ -104,7 +136,7 @@ inline KeyType::value key_type(DWORD vk_code) {
}
}
bool KeyboardHook::_hook_callback(int nCode, WPARAM event, LPARAM ptr_keyboard) {
bool KeyboardHook::keyboard_hook_callback(int nCode, WPARAM event, LPARAM ptr_keyboard) {
auto keyboard = (KeyboardHookStruct*) ptr_keyboard;
if(event == WM_KEYDOWN || event == WM_SYSKEYDOWN) {
auto& state = this->map_key[keyboard->vkCode];
@ -112,45 +144,14 @@ bool KeyboardHook::_hook_callback(int nCode, WPARAM event, LPARAM ptr_keyboard)
state = true;
auto type = key_type(keyboard->vkCode);
if(type != KeyType::KEY_NORMAL)
if(type != KeyType::KEY_NORMAL)
this->map_special[type] = true;
else
this->map_special[type] = keyboard->vkCode;
if (this->callback_event) {
if(!typed) {
auto e = make_shared<KeyboardHook::KeyEvent>();
e->type = KeyboardHook::KeyEvent::PRESS;
if(type == KeyType::KEY_NORMAL) {
e->code = key_code(keyboard);
} else {
e->code = key_code(this->map_special[KeyType::KEY_NORMAL], false);
}
e->key_alt = this->map_special[KeyType::KEY_ALT];
e->key_ctrl = this->map_special[KeyType::KEY_CTRL];
e->key_windows = this->map_special[KeyType::KEY_WIN];
e->key_shift = this->map_special[KeyType::KEY_SHIFT];
this->callback_event(e);
}
{
auto e = make_shared<KeyboardHook::KeyEvent>();
e->type = KeyboardHook::KeyEvent::TYPE;
if(type == KeyType::KEY_NORMAL) {
e->code = key_code(keyboard);
} else {
e->code = key_code(this->map_special[KeyType::KEY_NORMAL], false);
}
e->key_alt = this->map_special[KeyType::KEY_ALT];
e->key_ctrl = this->map_special[KeyType::KEY_CTRL];
e->key_windows = this->map_special[KeyType::KEY_WIN];
e->key_shift = this->map_special[KeyType::KEY_SHIFT];
this->callback_event(e);
}
}
if(!typed)
this->trigger_key_event(KeyEvent::PRESS, type == KeyType::KEY_NORMAL ? key_code(keyboard) : key_code(this->map_special[KeyType::KEY_NORMAL], false));
this->trigger_key_event(KeyEvent::TYPE, type == KeyType::KEY_NORMAL ? key_code(keyboard) : key_code(this->map_special[KeyType::KEY_NORMAL], false));
} else if(event == WM_KEYUP || event == WM_SYSKEYUP) {
auto& state = this->map_key[keyboard->vkCode];
if(!state) return false; //Duplicate
@ -160,26 +161,36 @@ bool KeyboardHook::_hook_callback(int nCode, WPARAM event, LPARAM ptr_keyboard)
if(type != KeyType::KEY_NORMAL)
this->map_special[type] = false;
else if(this->map_special[KeyType::KEY_NORMAL] == keyboard->vkCode)
this->map_special[KeyType::KEY_NORMAL] = 0xFF;
this->map_special[KeyType::KEY_NORMAL] = 0;
if (this->callback_event) {
auto e = make_shared<KeyboardHook::KeyEvent>();
e->type = KeyboardHook::KeyEvent::RELEASE;
if(type == KeyType::KEY_NORMAL) {
e->code = key_code(keyboard);
} else {
e->code = key_code(this->map_special[KeyType::KEY_NORMAL], false);
}
e->key_alt = this->map_special[KeyType::KEY_ALT];
e->key_ctrl = this->map_special[KeyType::KEY_CTRL];
e->key_windows = this->map_special[KeyType::KEY_WIN];
e->key_shift = this->map_special[KeyType::KEY_SHIFT];
this->callback_event(e);
}
this->trigger_key_event(KeyEvent::RELEASE, type == KeyType::KEY_NORMAL ? key_code(keyboard) : key_code(this->map_special[KeyType::KEY_NORMAL], false));
}
//Consume the event: return 1
return false;
}
bool KeyboardHook::mouse_hook_callback(int nCode, WPARAM event, LPARAM ptr_mouse) {
auto mouse = (MouseHookStruct*) ptr_mouse;
if(event == WM_RBUTTONDOWN)
this->trigger_key_event(KeyEvent::PRESS, "MOUSE1");
else if(event == WM_RBUTTONUP)
this->trigger_key_event(KeyEvent::RELEASE, "MOUSE1");
if(event == WM_LBUTTONDOWN)
this->trigger_key_event(KeyEvent::PRESS, "MOUSE2");
else if(event == WM_LBUTTONUP)
this->trigger_key_event(KeyEvent::RELEASE, "MOUSE2");
if(event == WM_MBUTTONDOWN)
this->trigger_key_event(KeyEvent::PRESS, "MOUSE3");
else if(event == WM_MBUTTONUP)
this->trigger_key_event(KeyEvent::RELEASE, "MOUSE3");
else if(event == WM_XBUTTONDOWN || event == WM_XBUTTONUP) {
auto x_index = GET_XBUTTON_WPARAM(mouse->mouseData);
this->trigger_key_event(event == WM_XBUTTONDOWN ? KeyEvent::PRESS : KeyEvent::RELEASE, "MOUSEX" + std::to_string(x_index));
}
else if(event == WM_MOUSEMOVE)
;
else
cout << "Unknown event: " << event << endl;
return false;
}