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// Tooltip.cpp: implementation of the CTooltip class.
//
//////////////////////////////////////////////////////////////////////
#include "stdafx.h"
/*static*/ const wchar_t *CTooltip::s_szTooltipClass = L"MimTooltipNotify";
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CTooltip::CTooltip(CTooltipNotify *pTooltipNotify)
{
m_pTooltipNotify = pTooltipNotify;
m_bLDblClick = DEF_SETTING_LDBLCLICK;
m_hFont = 0;
m_hWnd = 0;
m_szText = 0;
m_hWnd = CreateWindowEx(WS_EX_TOOLWINDOW | WS_EX_TOPMOST, s_szTooltipClass, 0,
WS_POPUP|WS_BORDER, 100, 100, 50, 50, 0, 0,
g_hInstDLL, NULL);
SetWindowLongPtr(m_hWnd, GWLP_USERDATA, reinterpret_cast<LONG_PTR>(this));
}
CTooltip::~CTooltip()
{
if (m_hWnd) DestroyWindow(m_hWnd);
if (m_hFont) DeleteObject(m_hFont);
if (m_szText) free(m_szText);
}
/*static*/ void CTooltip::Initialize()
{
WNDCLASSEX wcexWndClass = { 0 };
wcexWndClass.cbSize = sizeof(WNDCLASSEX);
wcexWndClass.style = CS_SAVEBITS;
wcexWndClass.lpfnWndProc = (WNDPROC)CTooltip::WindowProcWrapper;
wcexWndClass.hInstance = g_hInstDLL;
wcexWndClass.lpszClassName = s_szTooltipClass;
RegisterClassEx(&wcexWndClass);
}
/*static*/ void CTooltip::Deinitialize()
{
UnregisterClass(s_szTooltipClass, g_hInstDLL);
}
LRESULT CALLBACK CTooltip::WindowProcWrapper(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
CTooltip* pThis = reinterpret_cast<CTooltip *>(GetWindowLongPtr(hWnd, GWLP_USERDATA));
return pThis->WindowProc(hWnd, message, wParam, lParam);
}
LRESULT CALLBACK CTooltip::WindowProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message)
{
case WM_CREATE:
break;
case WM_COMMAND:
break;
case WM_PAINT:
{
PAINTSTRUCT ps;
HDC hDC = BeginPaint(hWnd, &ps);
RECT rect;
GetClientRect(hWnd, &rect);
rect.top += 1;
rect.left += 1;
rect.right -= 1;
rect.bottom -= 1;
SetBkMode(hDC, TRANSPARENT);
SetTextColor(hDC, m_dwTextColor);
SelectObject(hDC, m_hFont);
DrawText(hDC, m_szText, -1, &rect, DT_CENTER|DT_VCENTER|DT_SINGLELINE);
EndPaint(hWnd, &ps);
break;
}
case WM_ERASEBKGND:
{
RECT rect;
GetClientRect(hWnd, &rect);
HBRUSH hBgBrush = CreateSolidBrush(m_dwBgColor);
FillRect((HDC)wParam, &rect, hBgBrush);
DeleteObject(hBgBrush);
return TRUE;
}
case WM_NCHITTEST:
{
UINT uHitTest = DefWindowProc(hWnd, message, wParam, lParam);
if(uHitTest == HTCLIENT)
return HTCAPTION;
else
return uHitTest;
}
case WM_NCLBUTTONDBLCLK:
{
m_pTooltipNotify->OnTooltipDblClicked(this);
break;
}
case WM_SYSCOMMAND:
{
if (!m_pTooltipNotify->OnTooltipBeginMove(this))
break;
// doesn't return until the moving is complete
DefWindowProc(hWnd, message, wParam, lParam);
// DefWindowProc returned
m_pTooltipNotify->OnTooltipEndMove(this);
break;
}
case WM_DESTROY:
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
return 0;
}
void CTooltip::Validate()
{
m_hFont = CreateFontIndirect(&m_lfFont);
SIZE Size;
HDC hDC = GetDC(m_hWnd);
SelectObject(hDC, m_hFont);
GetTextExtentPoint32(hDC, m_szText, (int)mir_tstrlen(m_szText), &Size);
SetWindowPos(m_hWnd, 0, 0, 0, Size.cx+6, Size.cy+4,
SWP_NOZORDER | SWP_NOMOVE | SWP_NOACTIVATE | SWP_NOREDRAW);
ReleaseDC(m_hWnd, hDC);
}
void CTooltip::Show()
{
ShowWindow(m_hWnd, SW_SHOWNOACTIVATE);
}
void CTooltip::Hide()
{
ShowWindow(m_hWnd, SW_HIDE);
}
void CTooltip::set_Translucency(BYTE bAlpha)
{
if (SetWindowLongPtr(m_hWnd, GWL_EXSTYLE, GetWindowLongPtr(m_hWnd, GWL_EXSTYLE) | WS_EX_LAYERED) != 0)
SetLayeredWindowAttributes(m_hWnd, RGB(0,0,0), bAlpha, LWA_ALPHA);
}
void CTooltip::set_TransparentInput(BOOL bOnOff)
{
if (bOnOff)
SetWindowLongPtr(m_hWnd, GWL_EXSTYLE, GetWindowLongPtr(m_hWnd, GWL_EXSTYLE) | WS_EX_TRANSPARENT);
else
SetWindowLongPtr(m_hWnd, GWL_EXSTYLE, GetWindowLongPtr(m_hWnd, GWL_EXSTYLE) & ~WS_EX_TRANSPARENT);
}
void CTooltip::get_Rect(RECT *Rect) const
{
GetWindowRect(m_hWnd, Rect);
}
void CTooltip::set_Position(INT x, INT y)
{
SetWindowPos(m_hWnd, 0, x, y, 0, 0, SWP_NOACTIVATE | SWP_NOZORDER | SWP_NOSIZE);
}
void CTooltip::set_Text(const wchar_t* szText)
{
if (m_szText) free(m_szText);
m_szText = wcsdup(szText);
}
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