reactos/dll/shellext/stobject/mouse.cpp

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/*
* PROJECT: ReactOS system libraries
* LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
* PURPOSE: Mouse keys notification icon handler
* COPYRIGHT: Copyright 2022 Mark Jansen <mark.jansen@reactos.org>
*/
#include "precomp.h"
static MOUSEKEYS g_Mk;
static UINT g_MkState;
static HICON g_MkStateIcon;
HRESULT STDMETHODCALLTYPE
MouseKeys_Init(_In_ CSysTray *pSysTray)
{
TRACE("MouseKeys_Init!\n");
return MouseKeys_Update(pSysTray);
}
HRESULT STDMETHODCALLTYPE
MouseKeys_Shutdown(_In_ CSysTray *pSysTray)
{
TRACE("MouseKeys_Shutdown!\n");
if (g_MkStateIcon)
{
DestroyIcon(g_MkStateIcon);
g_MkStateIcon = NULL;
}
if (g_MkState)
{
g_MkState = 0;
pSysTray->NotifyIcon(NIM_DELETE, ID_ICON_MOUSE, g_MkStateIcon, L"MouseKeys");
}
return S_OK;
}
HRESULT STDMETHODCALLTYPE
MouseKeys_Update(_In_ CSysTray *pSysTray)
{
TRACE("MouseKeys_Update!\n");
g_Mk.cbSize = sizeof(g_Mk);
SystemParametersInfoW(SPI_GETMOUSEKEYS, sizeof(g_Mk), &g_Mk, 0);
UINT state = 0;
if ((g_Mk.dwFlags & (MKF_INDICATOR | MKF_MOUSEKEYSON)) == (MKF_INDICATOR | MKF_MOUSEKEYSON))
{
if (g_Mk.dwFlags & MKF_MOUSEMODE)
{
switch (g_Mk.dwFlags & (MKF_LEFTBUTTONDOWN | MKF_LEFTBUTTONSEL | MKF_RIGHTBUTTONDOWN | MKF_RIGHTBUTTONSEL))
{
case 0:
default:
state = IDI_MOUSE_NOBTN;
break;
case MKF_LEFTBUTTONSEL:
state = IDI_MOUSE_L_ACTIVE;
break;
case MKF_LEFTBUTTONDOWN:
case MKF_LEFTBUTTONDOWN | MKF_LEFTBUTTONSEL:
state = IDI_MOUSE_L_DOWN;
break;
case MKF_RIGHTBUTTONSEL:
state = IDI_MOUSE_R_ACTIVE;
break;
case MKF_RIGHTBUTTONDOWN:
case MKF_RIGHTBUTTONDOWN | MKF_RIGHTBUTTONSEL:
state = IDI_MOUSE_R_DOWN;
break;
case MKF_LEFTBUTTONSEL | MKF_RIGHTBUTTONSEL:
state = IDI_MOUSE_LR_ACTIVE;
break;
case MKF_RIGHTBUTTONDOWN | MKF_LEFTBUTTONDOWN:
case MKF_RIGHTBUTTONDOWN | MKF_LEFTBUTTONDOWN | MKF_LEFTBUTTONSEL:
case MKF_RIGHTBUTTONDOWN | MKF_LEFTBUTTONDOWN | MKF_LEFTBUTTONSEL | MKF_RIGHTBUTTONSEL:
case MKF_RIGHTBUTTONDOWN | MKF_LEFTBUTTONDOWN | MKF_RIGHTBUTTONSEL:
state = IDI_MOUSE_LR_DOWN;
break;
case MKF_LEFTBUTTONSEL | MKF_RIGHTBUTTONDOWN:
case MKF_LEFTBUTTONSEL | MKF_RIGHTBUTTONDOWN | MKF_RIGHTBUTTONSEL:
state = IDI_MOUSE_L_ACTIVE_R_DOWN;
break;
case MKF_LEFTBUTTONDOWN | MKF_RIGHTBUTTONSEL:
case MKF_LEFTBUTTONDOWN | MKF_RIGHTBUTTONSEL | MKF_LEFTBUTTONSEL:
state = IDI_MOUSE_R_ACTIVE_L_DOWN;
break;
}
}
else
{
state = IDI_MOUSE_DISABLED;
}
}
UINT uId = NIM_MODIFY;
if (state != g_MkState)
{
if (g_MkStateIcon)
{
DestroyIcon(g_MkStateIcon);
g_MkStateIcon = NULL;
}
if (g_MkState == 0)
uId = NIM_ADD;
g_MkState = state;
if (g_MkState)
{
g_MkStateIcon = LoadIcon(g_hInstance, MAKEINTRESOURCE(g_MkState));
}
}
if (g_MkState == 0)
{
uId = NIM_DELETE;
}
return pSysTray->NotifyIcon(uId, ID_ICON_MOUSE, g_MkStateIcon, L"MouseKeys");
}