third-party libs
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Benjamin Palko
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379
third-party/BugTrap-1.3-57bd515/source/HyperLink.cpp
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379
third-party/BugTrap-1.3-57bd515/source/HyperLink.cpp
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/*
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* This is a part of the BugTrap package.
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* Copyright (c) 2005-2009 IntelleSoft.
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* All rights reserved.
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*
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* Description: Hyper-link control class.
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* Author: Maksim Pyatkovskiy.
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*
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* This source code is only intended as a supplement to the
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* BugTrap package reference and related electronic documentation
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* provided with the product. See these sources for detailed
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* information regarding the BugTrap package.
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*/
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#include "StdAfx.h"
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#include "HyperLink.h"
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#include "BugTrapUtils.h"
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#include "Globals.h"
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#ifdef _DEBUG
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#define new DEBUG_NEW
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#endif
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const COLORREF CHyperLink::m_rgbBlueColor = RGB(0x00, 0x00, 0xDD);
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const COLORREF CHyperLink::m_rgbRedColor = RGB(0xDD, 0x00, 0x00);
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CHyperLink::CHyperLink(void)
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{
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m_rgbCurrentColor = m_rgbBlueColor;
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*m_szLinkURL = _T('\0');
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m_hwnd = NULL;
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m_pfnOldHyperLinkWndProc = NULL;
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m_nPrevDefButtonID = -1;
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}
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/**
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* @param pszLinkURL - new link URL.
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*/
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void CHyperLink::SetLinkURL(PCTSTR pszLinkURL)
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{
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if (pszLinkURL)
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_tcscpy_s(m_szLinkURL, countof(m_szLinkURL), pszLinkURL);
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else
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*m_szLinkURL = _T('\0');
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}
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/**
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* @param point - point coordinates.
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* @return true if point appears in boundaries of hyper-link text.
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*/
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BOOL CHyperLink::HitTest(const POINT& point) const
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{
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RECT rect;
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GetHyperLinkRect(rect);
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return PtInRect(&rect, point);
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}
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/**
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* @param x - point x-coordinate.
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* @param y - point y-coordinate.
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* @return true if point appears in boundaries of hyper-link text.
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*/
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BOOL CHyperLink::HitTest(int x, int y) const
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{
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POINT point;
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point.x = x;
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point.y = y;
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return HitTest(point);
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}
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/**
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* @param hdc - drawing context.
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*/
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void CHyperLink::DrawHyperLink(HDC hdc) const
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{
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TCHAR szLinkText[MAX_PATH];
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GetWindowText(m_hwnd, szLinkText, countof(szLinkText));
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SetBkColor(hdc, GetSysColor(COLOR_BTNFACE));
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_ASSERTE(g_pResManager != NULL);
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HFONT hOldFont = g_pResManager->m_hUnderlinedFont ? SelectFont(hdc, g_pResManager->m_hUnderlinedFont) : NULL;
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HWND hwndParent = GetParent(m_hwnd);
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HBRUSH hBrush = hwndParent ? FORWARD_WM_CTLCOLORSTATIC(hwndParent, hdc, m_hwnd, SendMessage) : NULL;
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if (! hBrush)
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hBrush = g_pResManager->m_hbrButtonFaceBrush;
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if (hBrush)
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{
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RECT rcClient;
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GetClientRect(m_hwnd, &rcClient);
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FillRect(hdc, &rcClient, hBrush);
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}
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SetTextColor(hdc, m_rgbCurrentColor);
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TextOut(hdc, 1, 1, szLinkText, (int)_tcslen(szLinkText));
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SetTextColor(hdc, GetSysColor(COLOR_BTNTEXT));
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if (hOldFont)
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SelectFont(hdc, hOldFont);
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if (GetFocus() == m_hwnd)
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{
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RECT rect;
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GetHyperLinkRect(rect);
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DrawFocusRect(hdc, &rect);
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}
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}
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void CHyperLink::DoAction(void) const
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{
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if (*m_szLinkURL)
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{
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_ASSERTE(g_pResManager != NULL);
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if (g_pResManager->m_hAppStartingCursor)
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SetCursor(g_pResManager->m_hAppStartingCursor);
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ShellExecute(NULL, _T("open"), m_szLinkURL, NULL, NULL, SW_SHOWDEFAULT);
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}
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else
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{
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HWND hwndParent = GetParent(m_hwnd);
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if (hwndParent)
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{
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int nCtrlID = GetDlgCtrlID(m_hwnd);
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FORWARD_WM_COMMAND(hwndParent, nCtrlID, m_hwnd, BN_CLICKED, PostMessage);
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}
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}
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}
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/**
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* @param hwnd - window handle.
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* @param uMsg - message identifier.
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* @param wParam - first message parameter.
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* @param lParam - second message parameter.
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*/
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LRESULT CALLBACK CHyperLink::HyperLinkWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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int x, y, nCtrlID;
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POINT point;
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HCURSOR hCursor;
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COLORREF rgbNewColor;
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PAINTSTRUCT ps;
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HWND hwndParent, hwndCtrl;
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LRESULT lResult;
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DWORD dwResult;
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HDC hdc;
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CHyperLink* _this = (CHyperLink*)GetWindowLongPtr(hwnd, GWLP_USERDATA);
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_ASSERTE(_this != NULL);
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switch(uMsg)
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{
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case WM_NCHITTEST:
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return HTCLIENT;
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case WM_SETCURSOR:
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_ASSERTE(g_pResManager != NULL);
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hCursor = g_pResManager->m_hArrowCursor;
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if (g_pResManager->m_hHandCursor)
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{
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dwResult = GetMessagePos();
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point.x = GET_X_LPARAM(dwResult);
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point.y = GET_Y_LPARAM(dwResult);
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ScreenToClient(hwnd, &point);
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if (_this->HitTest(point))
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hCursor = g_pResManager->m_hHandCursor;
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}
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if (hCursor)
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{
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SetCursor(hCursor);
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return TRUE;
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}
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return FALSE;
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case WM_LBUTTONDOWN:
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if (GetCapture() != hwnd)
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{
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x = GET_X_LPARAM(lParam);
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y = GET_Y_LPARAM(lParam);
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if (_this->HitTest(x, y))
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{
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_this->m_rgbCurrentColor = m_rgbRedColor;
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SetCapture(hwnd);
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if (GetFocus() == hwnd)
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InvalidateRect(hwnd, NULL, FALSE);
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else
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SetFocus(hwnd);
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}
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}
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return 0;
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case WM_MOUSEMOVE:
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if (GetCapture() == hwnd)
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{
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x = GET_X_LPARAM(lParam);
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y = GET_Y_LPARAM(lParam);
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rgbNewColor = _this->HitTest(x, y) ? m_rgbRedColor : m_rgbBlueColor;
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if (_this->m_rgbCurrentColor != rgbNewColor)
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{
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_this->m_rgbCurrentColor = rgbNewColor;
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InvalidateRect(hwnd, NULL, FALSE);
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}
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}
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return 0;
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case WM_LBUTTONUP:
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if (GetCapture() == hwnd)
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{
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ReleaseCapture();
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x = GET_X_LPARAM(lParam);
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y = GET_Y_LPARAM(lParam);
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if (_this->HitTest(x, y))
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_this->DoAction();
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}
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return 0;
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case WM_SETFOCUS:
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hwndParent = GetParent(hwnd);
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if (hwndParent)
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{
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nCtrlID = GetDlgCtrlID(hwnd);
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if (_this->m_nPrevDefButtonID < 0)
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{
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lResult = SendMessage(hwndParent, DM_GETDEFID, 0, 0);
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_this->m_nPrevDefButtonID = HIWORD(lResult) == DC_HASDEFID && LOWORD(lResult) != nCtrlID ? LOWORD(lResult) : -1;
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}
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SendMessage(hwndParent, DM_SETDEFID, nCtrlID, 0);
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if (_this->m_nPrevDefButtonID > 0)
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{
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// Sending a DM_SETDEFID message to change the default button will not always
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// remove the default state border from the first push button. In these cases,
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// the application should send a BM_SETSTYLE message to change the first push
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// button border style.
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hwndCtrl = GetDlgItem(hwndParent, _this->m_nPrevDefButtonID);
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if (SendMessage(hwndCtrl, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON)
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SendMessage(hwndCtrl, BM_SETSTYLE, BS_PUSHBUTTON, TRUE);
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}
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}
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InvalidateRect(hwnd, NULL, FALSE);
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return 0;
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case WM_KILLFOCUS:
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hwndParent = GetParent(hwnd);
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if (hwndParent && wParam && IsChild(hwndParent, (HWND)wParam))
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{
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if (! (SendMessage((HWND)wParam, WM_GETDLGCODE, 0, 0) & (DLGC_DEFPUSHBUTTON | DLGC_UNDEFPUSHBUTTON)))
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{
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if (_this->m_nPrevDefButtonID > 0)
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{
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nCtrlID = _this->m_nPrevDefButtonID;
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_this->m_nPrevDefButtonID = -1;
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}
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else
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nCtrlID = IDOK;
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hwndCtrl = GetDlgItem(hwndParent, nCtrlID);
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if (hwndCtrl && IsWindowEnabled(hwndCtrl))
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SendMessage(hwndParent, DM_SETDEFID, nCtrlID, 0);
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}
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else
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{
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_this->m_nPrevDefButtonID = -1;
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nCtrlID = GetDlgCtrlID((HWND)wParam);
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SendMessage(hwndParent, DM_SETDEFID, nCtrlID, 0);
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}
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}
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InvalidateRect(hwnd, NULL, FALSE);
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return 0;
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case WM_CAPTURECHANGED:
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_this->m_rgbCurrentColor = m_rgbBlueColor;
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InvalidateRect(hwnd, NULL, FALSE);
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return 0;
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case WM_ERASEBKGND:
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return TRUE;
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case WM_PAINT:
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hdc = (HDC)wParam;
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if (! hdc)
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{
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hdc = BeginPaint(hwnd, &ps);
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if (hdc)
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{
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_this->DrawHyperLink(hdc);
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EndPaint(hwnd, &ps);
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}
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}
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else
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_this->DrawHyperLink(hdc);
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return 0;
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case WM_PRINTCLIENT:
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hdc = (HDC)wParam;
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_this->DrawHyperLink(hdc);
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return 0;
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case WM_KEYDOWN:
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switch (wParam)
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{
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case VK_RETURN:
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_this->DoAction();
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break;
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case VK_TAB:
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hwndParent = GetParent(hwnd);
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if (hwndParent)
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{
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BOOL bPrevCtrl = GetKeyState(VK_SHIFT) < 0;
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FORWARD_WM_NEXTDLGCTL(hwndParent, bPrevCtrl, FALSE, PostMessage);
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}
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break;
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case VK_LEFT:
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case VK_UP:
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hwndParent = GetParent(hwnd);
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if (hwndParent)
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FORWARD_WM_NEXTDLGCTL(hwndParent, TRUE, FALSE, PostMessage);
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break;
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case VK_RIGHT:
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case VK_DOWN:
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hwndParent = GetParent(hwnd);
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if (hwndParent)
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FORWARD_WM_NEXTDLGCTL(hwndParent, FALSE, FALSE, PostMessage);
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break;
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case VK_ESCAPE:
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hwndParent = GetParent(hwnd);
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if (hwndParent)
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{
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HWND hwndCtl = GetDlgItem(hwndParent, IDCANCEL);
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if (! hwndCtl || IsWindowEnabled(hwndCtl))
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FORWARD_WM_COMMAND(hwndParent, IDCANCEL, hwndCtl, BN_CLICKED, PostMessage);
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}
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break;
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}
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return 0;
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case WM_GETDLGCODE:
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return ((GetFocus() == hwnd ? DLGC_DEFPUSHBUTTON : DLGC_UNDEFPUSHBUTTON) | DLGC_WANTALLKEYS);
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case BM_SETSTYLE:
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return 0;
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default:
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return DefWindowProc(hwnd, uMsg, wParam, lParam);
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}
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}
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/**
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* @param hwnd - hyper-link window handle.
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*/
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void CHyperLink::Attach(HWND hwnd)
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{
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_ASSERTE(hwnd != NULL);
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_ASSERTE(m_hwnd == NULL);
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_ASSERTE(g_pResManager != NULL);
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m_hwnd = hwnd;
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SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR)this);
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m_pfnOldHyperLinkWndProc = SubclassWindow(hwnd, HyperLinkWndProc);
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InvalidateRect(hwnd, NULL, TRUE);
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}
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void CHyperLink::Detach(void)
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{
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if (m_pfnOldHyperLinkWndProc)
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{
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SubclassWindow(m_hwnd, m_pfnOldHyperLinkWndProc);
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SetWindowLongPtr(m_hwnd, GWLP_USERDATA, NULL);
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InvalidateRect(m_hwnd, NULL, TRUE);
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m_pfnOldHyperLinkWndProc = NULL;
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m_hwnd = NULL;
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}
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}
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/**
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* @param size - hyper-link size.
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*/
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void CHyperLink::GetHyperLinkSize(SIZE& size) const
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{
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HDC hdc = GetDC(m_hwnd);
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_ASSERTE(g_pResManager != NULL);
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HFONT hOldFont = NULL;
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if (g_pResManager->m_hUnderlinedFont)
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hOldFont = SelectFont(hdc, g_pResManager->m_hUnderlinedFont);
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TCHAR szLinkText[MAX_PATH];
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GetWindowText(m_hwnd, szLinkText, countof(szLinkText));
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GetTextExtentPoint32(hdc, szLinkText, (int)_tcslen(szLinkText), &size);
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if (hOldFont)
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SelectFont(hdc, hOldFont);
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ReleaseDC(m_hwnd, hdc);
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}
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/**
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* @param rect - hyper-link rectangle.
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*/
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void CHyperLink::GetHyperLinkRect(RECT& rect) const
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{
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SIZE size;
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GetHyperLinkSize(size);
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rect.left = rect.top = 0;
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rect.right = size.cx + 3;
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rect.bottom = size.cy + 3;
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}
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