带图标的平面按钮.zip

// BtnST.cpp : implementation file // #include "stdafx.h" #include "BtnST.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // CButtonST CButtonST::CButtonST() { m_MouseOnButton = FALSE; m_hIconIn = NULL; m_hIconOut = NULL; m_cxIcon = 0; m_cyIcon = 0; m_hCursor = NULL; // Default type is "flat" button m_bIsFlat = TRUE; // By default draw border in "flat" button m_bDrawBorder = TRUE; // By default icon is aligned horizontally m_nAlign = ST_ALIGN_HORIZ; // By default show the text button m_bShowText = TRUE; // By default, for "flat" button, don't draw the focus rect m_bDrawFlatFocus = FALSE; SetDefaultInactiveBgColor(); SetDefaultInactiveFgColor(); SetDefaultActiveBgColor(); SetDefaultActiveFgColor(); } // End of CButtonST CButtonST::~CButtonST() { // Destroy the icons (if any) if (m_hIconIn != NULL) ::DeleteObject(m_hIconIn); if (m_hIconOut != NULL) ::DeleteObject(m_hIconOut); // Destroy the cursor (if any) if (m_hCursor != NULL) ::DestroyCursor(m_hCursor); } // End of ~CButtonST BEGIN_MESSAGE_MAP(CButtonST, CButton) //{{AFX_MSG_MAP(CButtonST) ON_WM_CAPTURECHANGED() ON_WM_SETCURSOR() ON_WM_KILLFOCUS() ON_WM_MOUSEMOVE() //}}AFX_MSG_MAP END_MESSAGE_MAP() void CButtonST::SetIcon(int nIconInId, int nIconOutId, BYTE cx, BYTE cy) { HINSTANCE hInstResource = AfxFindResourceHandle(MAKEINTRESOURCE(nIconInId), RT_GROUP_ICON); // Set icon when the mouse is IN the button m_hIconIn = (HICON)::LoadImage(hInstResource/*AfxGetApp()->m_hInstance*/, MAKEINTRESOURCE(nIconInId), IMAGE_ICON, 0, 0, 0); // Set icon when the mouse is OUT the button m_hIconOut = (nIconOutId == NULL) ? m_hIconIn : (HICON)::LoadImage(hInstResource/*AfxGetApp()->m_hInstance*/, MAKEINTRESOURCE(nIconOutId), IMAGE_ICON, 0, 0, 0); m_cxIcon = cx; m_cyIcon = cy; RedrawWindow(); } // End of SetIcon BOOL CButtonST::SetBtnCursor(int nCursorId) { HINSTANCE hInstResource; // Destroy any previous cursor if (m_hCursor != NULL) ::DestroyCursor(m_hCursor); m_hCursor = NULL; // If we want a cursor if (nCursorId != -1) { hInstResource = AfxFindResourceHandle(MAKEINTRESOURCE(nCursorId), RT_GROUP_CURSOR); // Load icon resource m_hCursor = (HCURSOR)::LoadImage(hInstResource/*AfxGetApp()->m_hInstance*/, MAKEINTRESOURCE(nCursorId), IMAGE_CURSOR, 0, 0, 0); // If something wrong then return FALSE if (m_hCursor == NULL) return FALSE; } return TRUE; } // End of SetBtnCursor void CButtonST::SetFlat(BOOL bState) { m_bIsFlat = bState; Invalidate(); } // End of SetFlat BOOL CButtonST::GetFlat() { return m_bIsFlat; } // End of GetFlat void CButtonST::SetAlign(int nAlign) { switch (nAlign) { case ST_ALIGN_HORIZ: m_nAlign = ST_ALIGN_HORIZ; break; case ST_ALIGN_VERT: m_nAlign = ST_ALIGN_VERT; break; } Invalidate(); } // End of SetAlign int CButtonST::GetAlign() { return m_nAlign; } // End of GetAlign void CButtonST::DrawBorder(BOOL bEnable) { m_bDrawBorder = bEnable; } // End of DrawBorder const char* CButtonST::GetVersionC() { return "2.3"; } // End of GetVersionC const short CButtonST::GetVersionI() { return 23; // Divide by 10 to get actual version } // End of GetVersionI void CButtonST::SetShowText(BOOL bShow) { m_bShowText = bShow; Invalidate(); } // End of SetShowText BOOL CButtonST::GetShowText() { return m_bShowText; } // End of GetShowText void CButtonST::OnMouseMove(UINT nFlags, CPoint point) { CWnd* pWnd; // Finestra attiva CWnd* pParent; // Finestra che contiene il bottone CButton::OnMouseMove(nFlags, point); // If the mouse enter the button with the left button pressed // then do nothing if (nFlags & MK_LBUTTON && m_MouseOnButton == FALSE) return; // If our button is not flat then do nothing if (m_bIsFlat == FALSE) return; pWnd = GetActiveWindow(); pParent = GetOwner(); if ((GetCapture() != this) && ( #ifndef ST_LIKEIE pWnd != NULL && #endif pParent != NULL)) { m_MouseOnButton = TRUE; //SetFocus(); // Thanks Ralph! SetCapture(); Invalidate(); } else { CRect rc; GetClientRect(&rc); if (!rc.PtInRect(point)) { // Redraw only if mouse goes out if (m_MouseOnButton == TRUE) { m_MouseOnButton = FALSE; Invalidate(); } // If user is NOT pressing left button then release capture! if (!(nFlags & MK_LBUTTON)) ReleaseCapture(); } } } // End of OnMouseMove void CButtonST::OnKillFocus(CWnd * pNewWnd) { CButton::OnKillFocus(pNewWnd); // If our button is not flat then do nothing if (m_bIsFlat == FALSE) return; if (m_MouseOnButton == TRUE) { m_MouseOnButton = FALSE; Invalidate(); } } // End of OnKillFocus void CButtonST::OnCaptureChanged(CWnd *pWnd) { if (m_MouseOnButton == TRUE) { ReleaseCapture(); Invalidate(); } // Call base message handler CButton::OnCaptureChanged(pWnd); } // End of OnCaptureChanged void CButtonST::DrawItem(LPDRAWITEMSTRUCT lpDIS) { #ifdef ST_USE_MEMDC CDC *pdrawDC = CDC::FromHandle(lpDIS->hDC); CMemDC memDC(pdrawDC); CDC *pDC = &memDC; #else CDC* pDC = CDC::FromHandle(lpDIS->hDC); #endif CPen *pOldPen; BOOL bIsPressed = (lpDIS->itemState & ODS_SELECTED); BOOL bIsFocused = (lpDIS->itemState & ODS_FOCUS); BOOL bIsDisabled = (lpDIS->itemState & ODS_DISABLED); CRect itemRect = lpDIS->rcItem; if (m_bIsFlat == FALSE) { if (bIsFocused) { CBrush br(RGB(0,0,0)); pDC->FrameRect(&itemRect, &br); itemRect.DeflateRect(1, 1); } } // Prepare draw... paint button's area with background color COLORREF bgColor; if ((m_MouseOnButton == TRUE) || (bIsPressed)) bgColor = GetActiveBgColor(); else bgColor = GetInactiveBgColor(); CBrush br(bgColor); pDC->FillRect(&itemRect, &br); // Disegno lo sfondo del bottone //CBrush br(GetSysColor(COLOR_BTNFACE)); //pDC->FillRect(&itemRect, &br); // Draw pressed button if (bIsPressed) { if (m_bIsFlat == TRUE) { if (m_bDrawBorder == TRUE) { CPen penBtnHiLight(PS_SOLID, 0, GetSysColor(COLOR_BTNHILIGHT)); // Bianco CPen penBtnShadow(PS_SOLID, 0, GetSysColor(COLOR_BTNSHADOW)); // Grigio scuro // Disegno i bordi a sinistra e in alto // Dark gray line pOldPen = pDC->SelectObject(&penBtnShadow); pDC->MoveTo(itemRect.left, itemRect.bottom-1); pDC->LineTo(itemRect.left, itemRect.top); pDC->LineTo(itemRect.right, itemRect.top); // Disegno i bordi a destra e in basso // White line pDC->SelectObject(penBtnHiLight); pDC->MoveTo(itemRect.left, itemRect.bottom-1); pDC->LineTo(itemRect.right-1, itemRect.bottom-1); pDC->LineTo(itemRect.right-1, itemRect.top-1); // pDC->SelectObject(pOldPen); } } else { CBrush brBtnShadow(GetSysColor(COLOR_BTNSHADOW)); pDC->FrameRect(&itemRect, &brBtnShadow); } } else // ...else draw non pressed button { CPen penBtnHiLight(PS_SOLID, 0, GetSysColor(COLOR_BTNHILIGHT)); // White CPen pen3DLight(PS_SOLID, 0, GetSysColor(COLOR_3DLIGHT)); // Light gray CPen penBtnShadow(PS_SOLID, 0, GetSysColor(COLOR_BTNSHADOW)); // Dark gray CPen pen3DDKShadow(PS_SOLID, 0, GetSysColor(COLOR_3DDKSHADOW)); // Black if (m_bIsFlat == TRUE) { if (m_MouseOnButton == TRUE && m_bDrawBorder == TRUE) { // Disegno i bordi a sinist