COLOR_BUTTON.rar_VC 对话框 界面_vc 程序界面

///////////////////////////////////////////////////////////////////////////// // colorBtn.cpp : implementation file for the CColorButton class // // Written by Bob Ryan (ryan@cyberzone.net) // Copyright (c) 1998. // // This code may be freely distributable in any application. If // you make any changes to the source, please let me know so that // I might make a better version of the class. // // This file is provided "as is" with no expressed or implied warranty. // The author accepts no liability for any damage/loss of business that // this product may cause. // ///////////////////////////////////////////////////////////////////////////// #include "stdafx.h" #include "colorbtn.h" #ifdef _DEBUG #undef THIS_FILE static char BASED_CODE THIS_FILE[] = __FILE__; #endif // no automatic class substitution for this file! #ifdef CColorButton #undef CColorButton CColorButton #endif // CColorButton IMPLEMENT_DYNAMIC(CColorButton, CButton) CColorButton::CColorButton() { #if (_MFC_VER < 0x0250) hwndOwner = NULL; // initialize hwndOwner for GetOwner() and SetOwner() support in MFC < 2.5 #endif } CColorButton::~CColorButton() { } BOOL CColorButton::Attach(const UINT nID, CWnd* pParent, const COLORREF BGColor, const COLORREF FGColor, const COLORREF DisabledColor, const UINT nBevel) { if (!SubclassDlgItem(nID, pParent)) return FALSE; m_fg = FGColor; m_bg = BGColor; m_disabled = DisabledColor; m_bevel = nBevel; return TRUE; } void CColorButton::DrawItem(LPDRAWITEMSTRUCT lpDIS) { CDC* pDC = CDC::FromHandle(lpDIS->hDC); UINT state = lpDIS->itemState; CRect focusRect, btnRect; focusRect.CopyRect(&lpDIS->rcItem); btnRect.CopyRect(&lpDIS->rcItem); // // Set the focus rectangle to just past the border decoration // focusRect.left += 4; focusRect.right -= 4; focusRect.top += 4; focusRect.bottom -= 4; // // Retrieve the button's caption // const int bufSize = 512; TCHAR buffer[bufSize]; GetWindowText(buffer, bufSize); // // Draw and label the button using draw methods // DrawFilledRect(pDC, btnRect, GetBGColor()); DrawFrame(pDC, btnRect, GetBevel()); DrawButtonText(pDC, btnRect, buffer, GetFGColor()); // // Now, depending upon the state, redraw the button (down image) if it is selected, // place a focus rectangle on it, or redisplay the caption if it is disabled // if (state & ODS_FOCUS) { DrawFocusRect(lpDIS->hDC, (LPRECT)&focusRect); if (state & ODS_SELECTED){ DrawFilledRect(pDC, btnRect, GetBGColor()); DrawFrame(pDC, btnRect, -1); DrawButtonText(pDC, btnRect, buffer, GetFGColor()); DrawFocusRect(lpDIS->hDC, (LPRECT)&focusRect); } } else if (state & ODS_DISABLED) { //COLORREF disabledColor = bg ^ 0xFFFFFF; // contrasting color DrawButtonText(pDC, btnRect, buffer, GetDisabledColor()); } } void CColorButton::DrawFrame(CDC *DC, CRect R, int Inset) { COLORREF dark, light, tlColor, brColor; int i, m, width; width = (Inset < 0)? -Inset : Inset; for (i = 0; i < width; i += 1) { m = 255 / (i + 2); dark = PALETTERGB(m, m, m); m = 192 + (63 / (i + 1)); light = PALETTERGB(m, m, m); if ( width == 1 ) { light = RGB(255, 255, 255); dark = RGB(128, 128, 128); } if ( Inset < 0 ) { tlColor = dark; brColor = light; } else { tlColor = light; brColor = dark; } DrawLine(DC, R.left, R.top, R.right, R.top, tlColor); // Across top DrawLine(DC, R.left, R.top, R.left, R.bottom, tlColor); // Down left if ( (Inset < 0) && (i == width - 1) && (width > 1) ) { DrawLine(DC, R.left + 1, R.bottom - 1, R.right, R.bottom - 1, RGB(1, 1, 1));// Across bottom DrawLine(DC, R.right - 1, R.top + 1, R.right - 1, R.bottom, RGB(1, 1, 1)); // Down right } else { DrawLine(DC, R.left + 1, R.bottom - 1, R.right, R.bottom - 1, brColor); // Across bottom DrawLine(DC, R.right - 1, R.top + 1, R.right - 1, R.bottom, brColor); // Down right } InflateRect(R, -1, -1); } } void CColorButton::DrawFilledRect(CDC *DC, CRect R, COLORREF color) { CBrush B; B.CreateSolidBrush(color); DC->FillRect(R, &B); } void CColorButton::DrawLine(CDC *DC, CRect EndPoints, COLORREF color) { CPen newPen; newPen.CreatePen(PS_SOLID, 1, color); CPen *oldPen = DC->SelectObject(&newPen); DC->MoveTo(EndPoints.left, EndPoints.top); DC->LineTo(EndPoints.right, EndPoints.bottom); DC->SelectObject(oldPen); newPen.DeleteObject(); } void CColorButton::DrawLine(CDC *DC, long left, long top, long right, long bottom, COLORREF color) { CPen newPen; newPen.CreatePen(PS_SOLID, 1, color); CPen *oldPen = DC->SelectObject(&newPen); DC->MoveTo(left, top); DC->LineTo(right, bottom); DC->SelectObject(oldPen); newPen.DeleteObject(); } void CColorButton::DrawButtonText(CDC *DC, CRect R, const char *Buf, COLORREF TextColor) { COLORREF prevColor = DC->SetTextColor(TextColor); DC->SetBkMode(TRANSPARENT); DC->DrawText(Buf, strlen(Buf), R, DT_CENTER|DT_VCENTER|DT_SINGLELINE); DC->SetTextColor(prevColor); }