193 lines
6.2 KiB
C++
193 lines
6.2 KiB
C++
// --------------------------------------------------------------------------
|
|
// Module Name: Tooltip.cpp
|
|
//
|
|
// Copyright (c) 2000, Microsoft Corporation
|
|
//
|
|
// Class that implements displaying a tooltip balloon.
|
|
//
|
|
// History: 2000-06-12 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
#include "shellprv.h"
|
|
#include "Tooltip.h"
|
|
|
|
BOOL IsBiDiLocalizedSystem( void );
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CTooltip::CTooltip
|
|
//
|
|
// Arguments: hInstance = HINSTANCE of hosting process/DLL.
|
|
// hwndParent = HWND of the parenting window.
|
|
//
|
|
// Returns: <none>
|
|
//
|
|
// Purpose: Constructor for CTooltip. Creates a tooltip window and
|
|
// prepares it for display.
|
|
//
|
|
// History: 2000-06-12 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
CTooltip::CTooltip (HINSTANCE hInstance, HWND hwndParent) :
|
|
_hwnd(NULL),
|
|
_hwndParent(hwndParent)
|
|
|
|
{
|
|
DWORD dwExStyle;
|
|
|
|
if (((GetWindowLongA(hwndParent, GWL_EXSTYLE) & WS_EX_LAYOUTRTL) != 0) || IsBiDiLocalizedSystem())
|
|
{
|
|
dwExStyle = WS_EX_LAYOUTRTL;
|
|
}
|
|
else
|
|
{
|
|
dwExStyle = 0;
|
|
}
|
|
_hwnd = CreateWindowEx(dwExStyle,
|
|
TOOLTIPS_CLASS,
|
|
NULL,
|
|
WS_POPUP | TTS_NOPREFIX | TTS_ALWAYSTIP | TTS_BALLOON,
|
|
CW_USEDEFAULT,
|
|
CW_USEDEFAULT,
|
|
CW_USEDEFAULT,
|
|
CW_USEDEFAULT,
|
|
hwndParent,
|
|
NULL,
|
|
hInstance,
|
|
NULL);
|
|
if (_hwnd != NULL)
|
|
{
|
|
TOOLINFO toolInfo;
|
|
|
|
TBOOL(SetWindowPos(_hwnd, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE));
|
|
(LRESULT)SendMessage(_hwnd, CCM_SETVERSION, COMCTL32_VERSION, 0);
|
|
ZeroMemory(&toolInfo, sizeof(toolInfo));
|
|
toolInfo.cbSize = sizeof(toolInfo);
|
|
toolInfo.uFlags = TTF_TRANSPARENT | TTF_TRACK;
|
|
toolInfo.uId = PtrToUint(_hwnd);
|
|
(LRESULT)SendMessage(_hwnd, TTM_ADDTOOL, 0, reinterpret_cast<LPARAM>(&toolInfo));
|
|
(LRESULT)SendMessage(_hwnd, TTM_SETMAXTIPWIDTH, 0, 300);
|
|
}
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CTooltip::~CTooltip
|
|
//
|
|
// Arguments: <none>
|
|
//
|
|
// Returns: <none>
|
|
//
|
|
// Purpose: Destructor for the CTooltip class. This destroys the tooltip
|
|
// window created. If the parent of the tooltip window is
|
|
// destroyed before this is invoked user32!DestroyWindow will
|
|
// cause the trace to fire. The object's lifetime must be
|
|
// carefully managed by the user of this class.
|
|
//
|
|
// History: 2000-06-12 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
CTooltip::~CTooltip (void)
|
|
|
|
{
|
|
if (_hwnd != NULL)
|
|
{
|
|
TBOOL(DestroyWindow(_hwnd));
|
|
_hwnd = NULL;
|
|
}
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CTooltip::SetPosition
|
|
//
|
|
// Arguments: lPosX = X position of the balloon tip window (screen).
|
|
// lPosY = Y position of the balloon tip window (screen).
|
|
//
|
|
// Returns: <none>
|
|
//
|
|
// Purpose: Positions the tooltip window at the given screen co-ordinates.
|
|
// If the parameters are defaulted then this positions the
|
|
// tooltip relative to the parent.
|
|
//
|
|
// History: 2000-06-12 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
void CTooltip::SetPosition (LONG lPosX, LONG lPosY) const
|
|
|
|
{
|
|
if ((lPosX == LONG_MIN) && (lPosY == LONG_MIN))
|
|
{
|
|
RECT rc;
|
|
|
|
TBOOL(GetWindowRect(_hwndParent, &rc));
|
|
lPosX = (rc.left + rc.right) / 2;
|
|
lPosY = rc.bottom;
|
|
}
|
|
(LRESULT)SendMessage(_hwnd, TTM_TRACKPOSITION, 0, MAKELONG(lPosX, lPosY));
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CTooltip::SetCaption
|
|
//
|
|
// Arguments: dwIcon = Icon type to set for the tooltip caption.
|
|
// pszCaption = Caption of the tooltip.
|
|
//
|
|
// Returns: <none>
|
|
//
|
|
// Purpose: Sets the tooltip caption.
|
|
//
|
|
// History: 2000-06-12 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
void CTooltip::SetCaption (DWORD dwIcon, const TCHAR *pszCaption) const
|
|
|
|
{
|
|
(LRESULT)SendMessage(_hwnd, TTM_SETTITLE, dwIcon, reinterpret_cast<LPARAM>(pszCaption));
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CTooltip::SetText
|
|
//
|
|
// Arguments: pszText = Content of the actual tooltip.
|
|
//
|
|
// Returns: <none>
|
|
//
|
|
// Purpose: Sets the tooltip text.
|
|
//
|
|
// History: 2000-06-12 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
void CTooltip::SetText (const TCHAR *pszText) const
|
|
|
|
{
|
|
TOOLINFO toolInfo;
|
|
|
|
ZeroMemory(&toolInfo, sizeof(toolInfo));
|
|
toolInfo.cbSize = sizeof(toolInfo);
|
|
toolInfo.uId = PtrToUint(_hwnd);
|
|
toolInfo.lpszText = const_cast<TCHAR*>(pszText);
|
|
(LRESULT)SendMessage(_hwnd, TTM_UPDATETIPTEXT, 0, reinterpret_cast<LPARAM>(&toolInfo));
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CTooltip::Show
|
|
//
|
|
// Arguments: <none>
|
|
//
|
|
// Returns: <none>
|
|
//
|
|
// Purpose: Shows the tooltip window.
|
|
//
|
|
// History: 2000-06-12 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
void CTooltip::Show (void) const
|
|
|
|
{
|
|
TOOLINFO toolInfo;
|
|
|
|
ZeroMemory(&toolInfo, sizeof(toolInfo));
|
|
toolInfo.cbSize = sizeof(toolInfo);
|
|
toolInfo.uId = PtrToUint(_hwnd);
|
|
(LRESULT)SendMessage(_hwnd, TTM_TRACKACTIVATE, TRUE, reinterpret_cast<LPARAM>(&toolInfo));
|
|
}
|
|
|