241 lines
6.2 KiB
C++
241 lines
6.2 KiB
C++
//////////////////////////////////////////////////////////////////////
|
|
//
|
|
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
|
|
// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED
|
|
// TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
|
|
// PARTICULAR PURPOSE.
|
|
//
|
|
// Copyright (C) 2003 Microsoft Corporation. All rights reserved.
|
|
//
|
|
// ExtentVisual.cpp
|
|
//
|
|
// CRangeExtentViewer
|
|
//
|
|
//////////////////////////////////////////////////////////////////////
|
|
|
|
#include "Globals.h"
|
|
#include "TextService.h"
|
|
#include "RangeExtent.h"
|
|
|
|
TCHAR CRangeExtentViewer::_szWndClass[] = TEXT("RangeExtentViewer");
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// CRangeExtentViewer
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// ctor
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
CRangeExtentViewer::CRangeExtentViewer(WCHAR *psz, COLORREF cr)
|
|
{
|
|
_hwnd = NULL;
|
|
StringCchCopy(_sz, ARRAYSIZE(_sz), psz);
|
|
_cr = cr;
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// dtor
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
CRangeExtentViewer::~CRangeExtentViewer()
|
|
{
|
|
if (IsWindow(_hwnd))
|
|
DestroyWindow(_hwnd);
|
|
}
|
|
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// StaticInit
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
BOOL CRangeExtentViewer::StaticInit()
|
|
{
|
|
|
|
WNDCLASSEX wcex;
|
|
|
|
memset(&wcex, 0, sizeof(wcex));
|
|
wcex.cbSize = sizeof(wcex);
|
|
wcex.style = CS_HREDRAW | CS_VREDRAW ;
|
|
wcex.hInstance = g_hInst;
|
|
wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
|
|
wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
|
|
|
|
wcex.lpfnWndProc = _WndProc;
|
|
wcex.lpszClassName = _szWndClass;
|
|
RegisterClassEx(&wcex);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// CreateWnd
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
HWND CRangeExtentViewer::CreateWnd()
|
|
{
|
|
if (_hwnd)
|
|
return _hwnd;
|
|
|
|
_hwnd = CreateWindowEx(WS_EX_TOPMOST | WS_EX_LAYERED, _szWndClass, TEXT(""),
|
|
WS_POPUP | WS_DISABLED,
|
|
0, 0, 0, 0,
|
|
NULL, 0, g_hInst, this);
|
|
|
|
// SetLayeredWindowAttributes(_hwnd, _cr, 240, LWA_COLORKEY | LWA_ALPHA);
|
|
SetLayeredWindowAttributes(_hwnd, 0, 128, LWA_ALPHA);
|
|
|
|
return _hwnd;
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// _OwnerWndProc
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
LRESULT CALLBACK CRangeExtentViewer::_WndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
CRangeExtentViewer *_this;
|
|
HDC hdc;
|
|
PAINTSTRUCT ps;
|
|
|
|
_this = _GetThis(hwnd);
|
|
|
|
switch (uMsg)
|
|
{
|
|
case WM_CREATE:
|
|
_SetThis(hwnd, lParam);
|
|
return 0;
|
|
|
|
case WM_PAINT:
|
|
hdc = BeginPaint(hwnd, &ps);
|
|
if (_this)
|
|
_this->OnPaint(hwnd, hdc);
|
|
EndPaint(hwnd, &ps);
|
|
break;
|
|
|
|
default:
|
|
return DefWindowProc(hwnd, uMsg, wParam, lParam);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Show
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
void CRangeExtentViewer::Show(RECT *prc)
|
|
{
|
|
if (!IsWindow(_hwnd))
|
|
return;
|
|
|
|
InvalidateRect(_hwnd, NULL, TRUE);
|
|
SetWindowPos(_hwnd,
|
|
HWND_TOPMOST,
|
|
prc->left,
|
|
prc->top,
|
|
prc->right - prc->left > 2 ? prc->right - prc->left : 2,
|
|
prc->bottom - prc->top > 2 ? prc->bottom - prc->top : 2,
|
|
SWP_SHOWWINDOW | SWP_NOACTIVATE);
|
|
|
|
}
|
|
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Hide
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
void CRangeExtentViewer::Hide()
|
|
{
|
|
if (!IsWindow(_hwnd))
|
|
return;
|
|
|
|
ShowWindow(_hwnd, SW_HIDE);
|
|
}
|
|
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// OnPaint
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
void CRangeExtentViewer::OnPaint(HWND hwnd, HDC hdc)
|
|
{
|
|
HFONT hfont = (HFONT)GetStockObject(DEFAULT_GUI_FONT);
|
|
HFONT hfontOld = (HFONT)SelectObject(hdc, hfont);
|
|
|
|
RECT rc;
|
|
GetClientRect(hwnd, &rc);
|
|
SetBkColor(hdc, _cr);
|
|
// ExtTextOutW(hdc, 2, 2, ETO_OPAQUE, &rc, _sz, lstrlenW(_sz), NULL);
|
|
ExtTextOutW(hdc, 2, 2, ETO_OPAQUE, &rc, _sz, 0, NULL);
|
|
|
|
for (int i = 0; i < ARRAYSIZE(_rcRanges); i++)
|
|
{
|
|
FrameRect(hdc, &_rcRanges[i], (HBRUSH)GetStockObject(BLACK_BRUSH));
|
|
}
|
|
SelectObject(hdc, hfontOld);
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// _EnsurePopupWindow
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
void CExtentMonitorTextService::_EnsureRangeExtentViewer()
|
|
{
|
|
if (!_pRangeExtentViewer)
|
|
_pRangeExtentViewer = new CRangeExtentViewer(L"View", 0x00D0D0);
|
|
if (_pRangeExtentViewer)
|
|
_pRangeExtentViewer->CreateWnd();
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// _UpdatePopupWindow
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
void CExtentMonitorTextService::_UpdateRangeExtentViewer()
|
|
{
|
|
if (_pRangeExtentViewer)
|
|
{
|
|
_pRangeExtentViewer->Show(&_rcView);
|
|
memcpy(_pRangeExtentViewer->_rcRanges, _rcRanges, sizeof(_rcRanges));
|
|
}
|
|
|
|
_fIsShownRangeExtentViewer = TRUE;
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// _HidePopupWindow
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
void CExtentMonitorTextService::_HideRangeExtentViewer()
|
|
{
|
|
if (_pRangeExtentViewer)
|
|
_pRangeExtentViewer->Hide();
|
|
|
|
_fIsShownRangeExtentViewer = FALSE;
|
|
}
|