BtnST.cpp
资源名称:VIS.zip [点击查看]
上传用户:sdgangtie
上传日期:2020-03-07
资源大小:7324k
文件大小:51k
源码类别:
数值算法/人工智能
开发平台:
Visual C++
- #include "stdafx.h"
- #include "BtnST.h"
- #ifdef _DEBUG
- #define new DEBUG_NEW
- #undef THIS_FILE
- static char THIS_FILE[] = __FILE__;
- #endif
- /////////////////////////////////////////////////////////////////////////////
- // CButtonST
- // Mask for control's type
- #define BS_TYPEMASK SS_TYPEMASK
- CButtonST::CButtonST()
- {
- m_bIsPressed = FALSE;
- m_bIsFocused = FALSE;
- m_bIsDisabled = FALSE;
- m_bMouseOnButton = FALSE;
- FreeResources(FALSE);
- // Default type is "flat" button
- m_bIsFlat = TRUE;
- // Button will be tracked also if when the window is inactive (like Internet Explorer)
- m_bAlwaysTrack = TRUE;
- // By default draw border in "flat" button
- m_bDrawBorder = TRUE;
- // By default icon is aligned horizontally
- m_byAlign = ST_ALIGN_HORIZ;
- // By default, for "flat" button, don't draw the focus rect
- m_bDrawFlatFocus = FALSE;
- // By default the button is not the default button
- m_bIsDefault = FALSE;
- // Invalid value, since type still unknown
- m_nTypeStyle = BS_TYPEMASK;
- // By default the button is not a checkbox
- m_bIsCheckBox = FALSE;
- m_nCheck = 0;
- // Set default colors
- SetDefaultColors(FALSE);
- // No tooltip created
- m_ToolTip.m_hWnd = NULL;
- // Do not draw as a transparent button
- m_bDrawTransparent = FALSE;
- m_pbmpOldBk = NULL;
- // No URL defined
- SetURL(NULL);
- // No cursor defined
- m_hCursor = NULL;
- // No associated menu
- #ifndef BTNST_USE_BCMENU
- m_hMenu = NULL;
- #endif
- m_hParentWndMenu = NULL;
- m_bMenuDisplayed = FALSE;
- m_bShowDisabledBitmap = TRUE;
- } // End of CButtonST
- CButtonST::~CButtonST()
- {
- // Restore old bitmap (if any)
- if (m_dcBk.m_hDC && m_pbmpOldBk)
- {
- m_dcBk.SelectObject(m_pbmpOldBk);
- } // if
- FreeResources();
- // Destroy the cursor (if any)
- if (m_hCursor) ::DestroyCursor(m_hCursor);
- // Destroy the menu (if any)
- #ifdef BTNST_USE_BCMENU
- if (m_menuPopup.m_hMenu) m_menuPopup.DestroyMenu();
- #else
- if (m_hMenu) ::DestroyMenu(m_hMenu);
- #endif
- } // End of ~CButtonST
- BEGIN_MESSAGE_MAP(CButtonST, CButton)
- //{{AFX_MSG_MAP(CButtonST)
- ON_WM_SETCURSOR()
- ON_WM_KILLFOCUS()
- ON_WM_MOUSEMOVE()
- ON_WM_SYSCOLORCHANGE()
- ON_CONTROL_REFLECT_EX(BN_CLICKED, OnClicked)
- ON_WM_ACTIVATE()
- ON_WM_ENABLE()
- ON_WM_CANCELMODE()
- ON_WM_GETDLGCODE()
- ON_WM_CTLCOLOR_REFLECT()
- //}}AFX_MSG_MAP
- #ifdef BTNST_USE_BCMENU
- ON_WM_MENUCHAR()
- ON_WM_MEASUREITEM()
- #endif
- ON_MESSAGE(BM_SETSTYLE, OnSetStyle)
- ON_MESSAGE(WM_MOUSELEAVE, OnMouseLeave)
- ON_MESSAGE(BM_SETCHECK, OnSetCheck)
- ON_MESSAGE(BM_GETCHECK, OnGetCheck)
- END_MESSAGE_MAP()
- void CButtonST::FreeResources(BOOL bCheckForNULL)
- {
- if (bCheckForNULL)
- {
- // Destroy icons
- // Note: the following two lines MUST be here! even if
- // BoundChecker says they are unnecessary!
- if (m_csIcons[0].hIcon) ::DestroyIcon(m_csIcons[0].hIcon);
- if (m_csIcons[1].hIcon) ::DestroyIcon(m_csIcons[1].hIcon);
- // Destroy bitmaps
- if (m_csBitmaps[0].hBitmap) ::DeleteObject(m_csBitmaps[0].hBitmap);
- if (m_csBitmaps[1].hBitmap) ::DeleteObject(m_csBitmaps[1].hBitmap);
- // Destroy mask bitmaps
- if (m_csBitmaps[0].hMask) ::DeleteObject(m_csBitmaps[0].hMask);
- if (m_csBitmaps[1].hMask) ::DeleteObject(m_csBitmaps[1].hMask);
- } // if
- ::ZeroMemory(&m_csIcons, sizeof(m_csIcons));
- ::ZeroMemory(&m_csBitmaps, sizeof(m_csBitmaps));
- } // End of FreeResources
- void CButtonST::PreSubclassWindow()
- {
- UINT nBS;
- nBS = GetButtonStyle();
- // Set initial control type
- m_nTypeStyle = nBS & BS_TYPEMASK;
- // Check if this is a checkbox
- if (nBS & BS_CHECKBOX) m_bIsCheckBox = TRUE;
- // Set initial default state flag
- if (m_nTypeStyle == BS_DEFPUSHBUTTON)
- {
- // Set default state for a default button
- m_bIsDefault = TRUE;
- // Adjust style for default button
- m_nTypeStyle = BS_PUSHBUTTON;
- } // If
- // You should not set the Owner Draw before this call
- // (don't use the resource editor "Owner Draw" or
- // ModifyStyle(0, BS_OWNERDRAW) before calling PreSubclassWindow() )
- ASSERT(m_nTypeStyle != BS_OWNERDRAW);
- // Switch to owner-draw
- ModifyStyle(BS_TYPEMASK, BS_OWNERDRAW, SWP_FRAMECHANGED);
- CButton::PreSubclassWindow();
- } // End of PreSubclassWindow
- UINT CButtonST::OnGetDlgCode()
- {
- UINT nCode = CButton::OnGetDlgCode();
- // Tell the system if we want default state handling
- // (losing default state always allowed)
- nCode |= (m_bIsDefault ? DLGC_DEFPUSHBUTTON : DLGC_UNDEFPUSHBUTTON);
- return nCode;
- } // End of OnGetDlgCode
- BOOL CButtonST::PreTranslateMessage(MSG* pMsg)
- {
- InitToolTip();
- m_ToolTip.RelayEvent(pMsg);
- return CButton::PreTranslateMessage(pMsg);
- } // End of PreTranslateMessage
- LRESULT CButtonST::DefWindowProc(UINT message, WPARAM wParam, LPARAM lParam)
- {
- if (message == WM_LBUTTONDBLCLK)
- {
- message = WM_LBUTTONDOWN;
- } // if
- /*
- switch (message)
- {
- case WM_LBUTTONDBLCLK:
- message = WM_LBUTTONDOWN;
- break;
- case WM_MOVE:
- CRect rect;
- GetClientRect(&rect);
- if (::IsWindow(m_ToolTip.m_hWnd))
- {
- if (m_ToolTip.GetToolCount() != 0)
- m_ToolTip.SetToolRect(this, 1, &rect);
- } // if
- break;
- } // switch
- */
- return CButton::DefWindowProc(message, wParam, lParam);
- } // End of DefWindowProc
- HBRUSH CButtonST::CtlColor(CDC* pDC, UINT nCtlColor)
- {
- return (HBRUSH)::GetStockObject(NULL_BRUSH);
- } // End of CtlColor
- void CButtonST::OnSysColorChange()
- {
- CButton::OnSysColorChange();
- m_dcBk.DeleteDC();
- m_bmpBk.DeleteObject();
- } // End of OnSysColorChange
- LRESULT CButtonST::OnSetStyle(WPARAM wParam, LPARAM lParam)
- {
- UINT nNewType = (wParam & BS_TYPEMASK);
- // Update default state flag
- if (nNewType == BS_DEFPUSHBUTTON)
- {
- m_bIsDefault = TRUE;
- } // if
- else if (nNewType == BS_PUSHBUTTON)
- {
- // Losing default state always allowed
- m_bIsDefault = FALSE;
- } // if
- // Can't change control type after owner-draw is set.
- // Let the system process changes to other style bits
- // and redrawing, while keeping owner-draw style
- return DefWindowProc(BM_SETSTYLE,
- (wParam & ~BS_TYPEMASK) | BS_OWNERDRAW, lParam);
- } // End of OnSetStyle
- LRESULT CButtonST::OnSetCheck(WPARAM wParam, LPARAM lParam)
- {
- ASSERT(m_bIsCheckBox);
- switch (wParam)
- {
- case BST_CHECKED:
- case BST_INDETERMINATE: // Indeterminate state is handled like checked state
- SetCheck(1);
- break;
- default:
- SetCheck(0);
- break;
- } // switch
- return 0;
- } // End of OnSetCheck
- LRESULT CButtonST::OnGetCheck(WPARAM wParam, LPARAM lParam)
- {
- ASSERT(m_bIsCheckBox);
- return GetCheck();
- } // End of OnGetCheck
- #ifdef BTNST_USE_BCMENU
- LRESULT CButtonST::OnMenuChar(UINT nChar, UINT nFlags, CMenu* pMenu)
- {
- LRESULT lResult;
- if (BCMenu::IsMenu(pMenu))
- lResult = BCMenu::FindKeyboardShortcut(nChar, nFlags, pMenu);
- else
- lResult = CButton::OnMenuChar(nChar, nFlags, pMenu);
- return lResult;
- } // End of OnMenuChar
- #endif
- #ifdef BTNST_USE_BCMENU
- void CButtonST::OnMeasureItem(int nIDCtl, LPMEASUREITEMSTRUCT lpMeasureItemStruct)
- {
- BOOL bSetFlag = FALSE;
- if (lpMeasureItemStruct->CtlType == ODT_MENU)
- {
- if (IsMenu((HMENU)lpMeasureItemStruct->itemID) && BCMenu::IsMenu((HMENU)lpMeasureItemStruct->itemID))
- {
- m_menuPopup.MeasureItem(lpMeasureItemStruct);
- bSetFlag = TRUE;
- } // if
- } // if
- if (!bSetFlag) CButton::OnMeasureItem(nIDCtl, lpMeasureItemStruct);
- } // End of OnMeasureItem
- #endif
- void CButtonST::OnEnable(BOOL bEnable)
- {
- CButton::OnEnable(bEnable);
- if (bEnable == FALSE)
- {
- CWnd* pWnd = GetParent()->GetNextDlgTabItem(this);
- if (pWnd)
- pWnd->SetFocus();
- else
- GetParent()->SetFocus();
- CancelHover();
- } // if
- } // End of OnEnable
- void CButtonST::OnKillFocus(CWnd * pNewWnd)
- {
- CButton::OnKillFocus(pNewWnd);
- CancelHover();
- } // End of OnKillFocus
- void CButtonST::OnActivate(UINT nState, CWnd* pWndOther, BOOL bMinimized)
- {
- CButton::OnActivate(nState, pWndOther, bMinimized);
- if (nState == WA_INACTIVE) CancelHover();
- } // End of OnActivate
- void CButtonST::OnCancelMode()
- {
- CButton::OnCancelMode();
- CancelHover();
- } // End of OnCancelMode
- BOOL CButtonST::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message)
- {
- // If a cursor was specified then use it!
- if (m_hCursor != NULL)
- {
- ::SetCursor(m_hCursor);
- return TRUE;
- } // if
- return CButton::OnSetCursor(pWnd, nHitTest, message);
- } // End of OnSetCursor
- void CButtonST::CancelHover()
- {
- // Only for flat buttons
- if (m_bIsFlat)
- {
- if (m_bMouseOnButton)
- {
- m_bMouseOnButton = FALSE;
- Invalidate();
- } // if
- } // if
- } // End of CancelHover
- void CButtonST::OnMouseMove(UINT nFlags, CPoint point)
- {
- CWnd* wndUnderMouse = NULL;
- CWnd* wndActive = this;
- TRACKMOUSEEVENT csTME;
- CButton::OnMouseMove(nFlags, point);
- ClientToScreen(&point);
- wndUnderMouse = WindowFromPoint(point);
- // If the mouse enter the button with the left button pressed then do nothing
- if (nFlags & MK_LBUTTON && m_bMouseOnButton == FALSE) return;
- // If our button is not flat then do nothing
- if (m_bIsFlat == FALSE) return;
- if (m_bAlwaysTrack == FALSE) wndActive = GetActiveWindow();
- if (wndUnderMouse && wndUnderMouse->m_hWnd == m_hWnd && wndActive)
- {
- if (!m_bMouseOnButton)
- {
- m_bMouseOnButton = TRUE;
- Invalidate();
- csTME.cbSize = sizeof(csTME);
- csTME.dwFlags = TME_LEAVE;
- csTME.hwndTrack = m_hWnd;
- ::_TrackMouseEvent(&csTME);
- } // if
- } else CancelHover();
- } // End of OnMouseMove
- // Handler for WM_MOUSELEAVE
- LRESULT CButtonST::OnMouseLeave(WPARAM wParam, LPARAM lParam)
- {
- CancelHover();
- return 0;
- } // End of OnMouseLeave
- BOOL CButtonST::OnClicked()
- {
- SetFocus();
- if (m_bIsCheckBox)
- {
- m_nCheck = !m_nCheck;
- Invalidate();
- } // if
- else
- {
- // Handle the menu (if any)
- #ifdef BTNST_USE_BCMENU
- if (m_menuPopup.m_hMenu)
- #else
- if (m_hMenu)
- #endif
- {
- CRect rWnd;
- GetWindowRect(rWnd);
- m_bMenuDisplayed = TRUE;
- Invalidate();
- #ifdef BTNST_USE_BCMENU
- BCMenu *psub = (BCMenu*)m_menuPopup.GetSubMenu(0);
- DWORD dwRetValue = psub->TrackPopupMenu(TPM_LEFTALIGN | TPM_LEFTBUTTON | TPM_RIGHTBUTTON | TPM_NONOTIFY | TPM_RETURNCMD, rWnd.left, rWnd.bottom, this, NULL);
- #else
- HMENU hSubMenu = ::GetSubMenu(m_hMenu, 0);
- //DWORD dwRetValue = ::TrackPopupMenuEx(hSubMenu, TPM_LEFTALIGN | TPM_LEFTBUTTON, rWnd.left, rWnd.bottom, m_hParentWndMenu, NULL);
- DWORD dwRetValue = ::TrackPopupMenuEx(hSubMenu, TPM_LEFTALIGN | TPM_LEFTBUTTON | TPM_RIGHTBUTTON | TPM_NONOTIFY | TPM_RETURNCMD, rWnd.left, rWnd.bottom, m_hParentWndMenu, NULL);
- #endif
- m_bMenuDisplayed = FALSE;
- Invalidate();
- if (dwRetValue)
- ::PostMessage(m_hParentWndMenu, WM_COMMAND, MAKEWPARAM(dwRetValue, 0), (LPARAM)NULL);
- } // if
- else
- {
- // Handle the URL (if any)
- if (_tcslen(m_szURL) > 0)
- {
- SHELLEXECUTEINFO csSEI;
- memset(&csSEI, 0, sizeof(csSEI));
- csSEI.cbSize = sizeof(SHELLEXECUTEINFO);
- csSEI.fMask = SEE_MASK_FLAG_NO_UI;
- csSEI.lpVerb = _T("open");
- csSEI.lpFile = m_szURL;
- csSEI.nShow = SW_SHOWMAXIMIZED;
- ::ShellExecuteEx(&csSEI);
- } // if
- } // else
- } // else
- return FALSE;
- } // End of OnClicked
- void CButtonST::DrawItem(LPDRAWITEMSTRUCT lpDIS)
- {
- CDC* pDC = CDC::FromHandle(lpDIS->hDC);
- CPen* pOldPen;
- // Checkbox?
- if (m_bIsCheckBox)
- {
- m_bIsPressed = (lpDIS->itemState & ODS_SELECTED) || (m_nCheck != 0);
- } // if
- else // Normal button OR other button style ...
- {
- m_bIsPressed = (lpDIS->itemState & ODS_SELECTED);
- // If there is a menu and it's displayed, draw the button as pressed
- if (
- #ifdef BTNST_USE_BCMENU
- m_menuPopup.m_hMenu
- #else
- m_hMenu
- #endif
- && m_bMenuDisplayed) m_bIsPressed = TRUE;
- } // else
- m_bIsFocused = (lpDIS->itemState & ODS_FOCUS);
- m_bIsDisabled = (lpDIS->itemState & ODS_DISABLED);
- CRect itemRect = lpDIS->rcItem;
- pDC->SetBkMode(TRANSPARENT);
- if (m_bIsFlat == FALSE)
- {
- if (m_bIsFocused || m_bIsDefault)
- {
- CBrush br(RGB(0,0,0));
- pDC->FrameRect(&itemRect, &br);
- itemRect.DeflateRect(1, 1);
- } // if
- } // if
- // Prepare draw... paint button background
- // Draw transparent?
- if (m_bDrawTransparent)
- PaintBk(pDC);
- else
- OnDrawBackground(pDC, &itemRect);
- // Draw pressed button
- if (m_bIsPressed)
- {
- if (m_bIsFlat)
- {
- if (m_bDrawBorder)
- OnDrawBorder(pDC, &itemRect);
- }
- 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)
- {
- if (m_bMouseOnButton && m_bDrawBorder)
- OnDrawBorder(pDC, &itemRect);
- }
- else
- {
- // Draw top-left borders
- // White line
- pOldPen = pDC->SelectObject(&penBtnHiLight);
- pDC->MoveTo(itemRect.left, itemRect.bottom-1);
- pDC->LineTo(itemRect.left, itemRect.top);
- pDC->LineTo(itemRect.right, itemRect.top);
- // Light gray line
- pDC->SelectObject(pen3DLight);
- pDC->MoveTo(itemRect.left+1, itemRect.bottom-1);
- pDC->LineTo(itemRect.left+1, itemRect.top+1);
- pDC->LineTo(itemRect.right, itemRect.top+1);
- // Draw bottom-right borders
- // Black line
- pDC->SelectObject(pen3DDKShadow);
- pDC->MoveTo(itemRect.left, itemRect.bottom-1);
- pDC->LineTo(itemRect.right-1, itemRect.bottom-1);
- pDC->LineTo(itemRect.right-1, itemRect.top-1);
- // Dark gray line
- pDC->SelectObject(penBtnShadow);
- pDC->MoveTo(itemRect.left+1, itemRect.bottom-2);
- pDC->LineTo(itemRect.right-2, itemRect.bottom-2);
- pDC->LineTo(itemRect.right-2, itemRect.top);
- //
- pDC->SelectObject(pOldPen);
- } // else
- } // else
- // Read the button's title
- CString sTitle;
- GetWindowText(sTitle);
- CRect captionRect = lpDIS->rcItem;
- // Draw the icon
- if (m_csIcons[0].hIcon)
- {
- DrawTheIcon(pDC, !sTitle.IsEmpty(), &lpDIS->rcItem, &captionRect, m_bIsPressed, m_bIsDisabled);
- } // if
- if (m_csBitmaps[0].hBitmap)
- {
- pDC->SetBkColor(RGB(255,255,255));
- DrawTheBitmap(pDC, !sTitle.IsEmpty(), &lpDIS->rcItem, &captionRect, m_bIsPressed, m_bIsDisabled);
- } // if
- // Write the button title (if any)
- if (sTitle.IsEmpty() == FALSE)
- {
- // Draw the button's title
- // If button is pressed then "press" title also
- if (m_bIsPressed && m_bIsCheckBox == FALSE)
- captionRect.OffsetRect(1, 1);
- // ONLY FOR DEBUG
- //CBrush brBtnShadow(RGB(255, 0, 0));
- //pDC->FrameRect(&captionRect, &brBtnShadow);
- // Center text
- CRect centerRect = captionRect;
- pDC->DrawText(sTitle, -1, captionRect, DT_WORDBREAK | DT_CENTER | DT_CALCRECT);
- captionRect.OffsetRect((centerRect.Width() - captionRect.Width())/2, (centerRect.Height() - captionRect.Height())/2);
- /* RFU
- captionRect.OffsetRect(0, (centerRect.Height() - captionRect.Height())/2);
- captionRect.OffsetRect((centerRect.Width() - captionRect.Width())-4, (centerRect.Height() - captionRect.Height())/2);
- */
- pDC->SetBkMode(TRANSPARENT);
- /*
- pDC->DrawState(captionRect.TopLeft(), captionRect.Size(), (LPCTSTR)sTitle, (bIsDisabled ? DSS_DISABLED : DSS_NORMAL),
- TRUE, 0, (CBrush*)NULL);
- */
- if (m_bIsDisabled)
- {
- captionRect.OffsetRect(1, 1);
- pDC->SetTextColor(::GetSysColor(COLOR_3DHILIGHT));
- pDC->DrawText(sTitle, -1, captionRect, DT_WORDBREAK | DT_CENTER);
- captionRect.OffsetRect(-1, -1);
- pDC->SetTextColor(::GetSysColor(COLOR_3DSHADOW));
- pDC->DrawText(sTitle, -1, captionRect, DT_WORDBREAK | DT_CENTER);
- } // if
- else
- {
- if (m_bMouseOnButton || m_bIsPressed)
- {
- pDC->SetTextColor(m_crColors[BTNST_COLOR_FG_IN]);
- pDC->SetBkColor(m_crColors[BTNST_COLOR_BK_IN]);
- } // if
- else
- {
- pDC->SetTextColor(m_crColors[BTNST_COLOR_FG_OUT]);
- pDC->SetBkColor(m_crColors[BTNST_COLOR_BK_OUT]);
- } // else
- pDC->DrawText(sTitle, -1, captionRect, DT_WORDBREAK | DT_CENTER);
- } // if
- } // if
- if (m_bIsFlat == FALSE || (m_bIsFlat && m_bDrawFlatFocus))
- {
- // Draw the focus rect
- if (m_bIsFocused)
- {
- CRect focusRect = itemRect;
- focusRect.DeflateRect(3, 3);
- pDC->DrawFocusRect(&focusRect);
- } // if
- } // if
- } // End of DrawItem
- void CButtonST::PaintBk(CDC* pDC)
- {
- CClientDC clDC(GetParent());
- CRect rect;
- CRect rect1;
- GetClientRect(rect);
- GetWindowRect(rect1);
- GetParent()->ScreenToClient(rect1);
- if (m_dcBk.m_hDC == NULL)
- {
- m_dcBk.CreateCompatibleDC(&clDC);
- m_bmpBk.CreateCompatibleBitmap(&clDC, rect.Width(), rect.Height());
- m_pbmpOldBk = m_dcBk.SelectObject(&m_bmpBk);
- m_dcBk.BitBlt(0, 0, rect.Width(), rect.Height(), &clDC, rect1.left, rect1.top, SRCCOPY);
- } // if
- pDC->BitBlt(0, 0, rect.Width(), rect.Height(), &m_dcBk, 0, 0, SRCCOPY);
- } // End of PaintBk
- HBITMAP CButtonST::CreateBitmapMask(HBITMAP hSourceBitmap, DWORD dwWidth, DWORD dwHeight, COLORREF crTransColor)
- {
- HBITMAP hMask = NULL;
- HDC hdcSrc = NULL;
- HDC hdcDest = NULL;
- HBITMAP hbmSrcT = NULL;
- HBITMAP hbmDestT = NULL;
- COLORREF crSaveBk;
- COLORREF crSaveDestText;
- hMask = ::CreateBitmap(dwWidth, dwHeight, 1, 1, NULL);
- if (hMask == NULL) return NULL;
- hdcSrc = ::CreateCompatibleDC(NULL);
- hdcDest = ::CreateCompatibleDC(NULL);
- hbmSrcT = (HBITMAP)::SelectObject(hdcSrc, hSourceBitmap);
- hbmDestT = (HBITMAP)::SelectObject(hdcDest, hMask);
- crSaveBk = ::SetBkColor(hdcSrc, crTransColor);
- ::BitBlt(hdcDest, 0, 0, dwWidth, dwHeight, hdcSrc, 0, 0, SRCCOPY);
- crSaveDestText = ::SetTextColor(hdcSrc, RGB(255, 255, 255));
- ::SetBkColor(hdcSrc,RGB(0, 0, 0));
- ::BitBlt(hdcSrc, 0, 0, dwWidth, dwHeight, hdcDest, 0, 0, SRCAND);
- SetTextColor(hdcDest, crSaveDestText);
- ::SetBkColor(hdcSrc, crSaveBk);
- ::SelectObject(hdcSrc, hbmSrcT);
- ::SelectObject(hdcDest, hbmDestT);
- ::DeleteDC(hdcSrc);
- ::DeleteDC(hdcDest);
- return hMask;
- } // End of CreateBitmapMask
- //
- // Parameters:
- // [IN] bHasTitle
- // TRUE if the button has a text
- // [IN] rpItem
- // A pointer to a RECT structure indicating the allowed paint area
- // [IN/OUT]rpTitle
- // A pointer to a CRect object indicating the paint area reserved for the
- // text. This structure will be modified if necessary.
- // [IN] bIsPressed
- // TRUE if the button is currently pressed
- // [IN] dwWidth
- // Width of the image (icon or bitmap)
- // [IN] dwHeight
- // Height of the image (icon or bitmap)
- // [OUT] rpImage
- // A pointer to a CRect object that will receive the area available to the image
- //
- void CButtonST::PrepareImageRect(BOOL bHasTitle, RECT* rpItem, CRect* rpTitle, BOOL bIsPressed, DWORD dwWidth, DWORD dwHeight, CRect* rpImage)
- {
- CRect rBtn;
- rpImage->CopyRect(rpItem);
- switch (m_byAlign)
- {
- case ST_ALIGN_HORIZ:
- if (bHasTitle == FALSE)
- {
- // Center image horizontally
- rpImage->left += ((rpImage->Width() - (long)dwWidth)/2);
- }
- else
- {
- // Image must be placed just inside the focus rect
- rpImage->left += 3;
- rpTitle->left += dwWidth + 3;
- }
- // Center image vertically
- rpImage->top += ((rpImage->Height() - (long)dwHeight)/2);
- break;
- case ST_ALIGN_HORIZ_RIGHT:
- GetClientRect(&rBtn);
- if (bHasTitle == FALSE)
- {
- // Center image horizontally
- rpImage->left += ((rpImage->Width() - (long)dwWidth)/2);
- }
- else
- {
- // Image must be placed just inside the focus rect
- rpTitle->right = rpTitle->Width() - dwWidth - 3;
- rpTitle->left = 3;
- rpImage->left = rBtn.right - dwWidth - 3;
- // Center image vertically
- rpImage->top += ((rpImage->Height() - (long)dwHeight)/2);
- }
- break;
- case ST_ALIGN_VERT:
- // Center image horizontally
- rpImage->left += ((rpImage->Width() - (long)dwWidth)/2);
- if (bHasTitle == FALSE)
- {
- // Center image vertically
- rpImage->top += ((rpImage->Height() - (long)dwHeight)/2);
- }
- else
- {
- rpImage->top = 3;
- rpTitle->top += dwHeight;
- }
- break;
- }
- // If button is pressed then press image also
- if (bIsPressed && m_bIsCheckBox == FALSE)
- rpImage->OffsetRect(1, 1);
- } // End of PrepareImageRect
- void CButtonST::DrawTheIcon(CDC* pDC, BOOL bHasTitle, RECT* rpItem, CRect* rpTitle, BOOL bIsPressed, BOOL bIsDisabled)
- {
- BYTE byIndex = 0;
- // Select the icon to use
- if ((m_bIsCheckBox && bIsPressed) || (!m_bIsCheckBox && (bIsPressed || m_bMouseOnButton)))
- byIndex = 0;
- else
- byIndex = (m_csIcons[1].hIcon == NULL ? 0 : 1);
- CRect rImage;
- PrepareImageRect(bHasTitle, rpItem, rpTitle, bIsPressed, m_csIcons[byIndex].dwWidth, m_csIcons[byIndex].dwHeight, &rImage);
- // Ole'!
- pDC->DrawState( rImage.TopLeft(),
- rImage.Size(),
- m_csIcons[byIndex].hIcon,
- (bIsDisabled ? DSS_DISABLED : DSS_NORMAL),
- (CBrush*)NULL);
- } // End of DrawTheIcon
- void CButtonST::DrawTheBitmap(CDC* pDC, BOOL bHasTitle, RECT* rItem, CRect *rCaption, BOOL bIsPressed, BOOL bIsDisabled)
- {
- HDC hdcBmpMem = NULL;
- HBITMAP hbmOldBmp = NULL;
- HDC hdcMem = NULL;
- HBITMAP hbmT = NULL;
- BYTE byIndex = 0;
- // Select the bitmap to use
- if ((m_bIsCheckBox && bIsPressed) || (!m_bIsCheckBox && (bIsPressed || m_bMouseOnButton)))
- byIndex = 0;
- else
- byIndex = (m_csBitmaps[1].hBitmap == NULL ? 0 : 1);
- CRect rImage;
- PrepareImageRect(bHasTitle, rItem, rCaption, bIsPressed, m_csBitmaps[byIndex].dwWidth, m_csBitmaps[byIndex].dwHeight, &rImage);
- hdcBmpMem = ::CreateCompatibleDC(pDC->m_hDC);
- hbmOldBmp = (HBITMAP)::SelectObject(hdcBmpMem, m_csBitmaps[byIndex].hBitmap);
- hdcMem = ::CreateCompatibleDC(NULL);
- hbmT = (HBITMAP)::SelectObject(hdcMem, m_csBitmaps[byIndex].hMask);
- if (bIsDisabled && m_bShowDisabledBitmap)
- {
- HDC hDC = NULL;
- HBITMAP hBitmap = NULL;
- hDC = ::CreateCompatibleDC(pDC->m_hDC);
- hBitmap = ::CreateCompatibleBitmap(pDC->m_hDC, m_csBitmaps[byIndex].dwWidth, m_csBitmaps[byIndex].dwHeight);
- HBITMAP hOldBmp2 = (HBITMAP)::SelectObject(hDC, hBitmap);
- RECT rRect;
- rRect.left = 0;
- rRect.top = 0;
- rRect.right = rImage.right + 1;
- rRect.bottom = rImage.bottom + 1;
- ::FillRect(hDC, &rRect, (HBRUSH)RGB(255, 255, 255));
- COLORREF crOldColor = ::SetBkColor(hDC, RGB(255,255,255));
- ::BitBlt(hDC, 0, 0, m_csBitmaps[byIndex].dwWidth, m_csBitmaps[byIndex].dwHeight, hdcMem, 0, 0, SRCAND);
- ::BitBlt(hDC, 0, 0, m_csBitmaps[byIndex].dwWidth, m_csBitmaps[byIndex].dwHeight, hdcBmpMem, 0, 0, SRCPAINT);
- ::SetBkColor(hDC, crOldColor);
- ::SelectObject(hDC, hOldBmp2);
- ::DeleteDC(hDC);
- pDC->DrawState( CPoint(rImage.left/*+1*/, rImage.top),
- CSize(m_csBitmaps[byIndex].dwWidth, m_csBitmaps[byIndex].dwHeight),
- hBitmap, DST_BITMAP | DSS_DISABLED);
- ::DeleteObject(hBitmap);
- } // if
- else
- {
- ::BitBlt(pDC->m_hDC, rImage.left, rImage.top, m_csBitmaps[byIndex].dwWidth, m_csBitmaps[byIndex].dwHeight, hdcMem, 0, 0, SRCAND);
- ::BitBlt(pDC->m_hDC, rImage.left, rImage.top, m_csBitmaps[byIndex].dwWidth, m_csBitmaps[byIndex].dwHeight, hdcBmpMem, 0, 0, SRCPAINT);
- } // else
- ::SelectObject(hdcMem, hbmT);
- ::DeleteDC(hdcMem);
- ::SelectObject(hdcBmpMem, hbmOldBmp);
- ::DeleteDC(hdcBmpMem);
- } // End of DrawTheBitmap
- // This function creates a grayscale icon starting from a given icon.
- // The resulting icon will have the same size of the original one.
- //
- // Parameters:
- // [IN] hIcon
- // Handle to the original icon.
- //
- // Return value:
- // If the function succeeds, the return value is the handle to the newly created
- // grayscale icon.
- // If the function fails, the return value is NULL.
- //
- HICON CButtonST::CreateGrayscaleIcon(HICON hIcon)
- {
- HICON hGrayIcon = NULL;
- HDC hMainDC = NULL, hMemDC1 = NULL, hMemDC2 = NULL;
- BITMAP bmp;
- HBITMAP hOldBmp1 = NULL, hOldBmp2 = NULL;
- ICONINFO csII, csGrayII;
- BOOL bRetValue = FALSE;
- bRetValue = ::GetIconInfo(hIcon, &csII);
- if (bRetValue == FALSE) return NULL;
- hMainDC = ::GetDC(m_hWnd);
- hMemDC1 = ::CreateCompatibleDC(hMainDC);
- hMemDC2 = ::CreateCompatibleDC(hMainDC);
- if (hMainDC == NULL || hMemDC1 == NULL || hMemDC2 == NULL) return NULL;
- if (::GetObject(csII.hbmColor, sizeof(BITMAP), &bmp))
- {
- csGrayII.hbmColor = ::CreateBitmap(csII.xHotspot*2, csII.yHotspot*2, bmp.bmPlanes, bmp.bmBitsPixel, NULL);
- if (csGrayII.hbmColor)
- {
- hOldBmp1 = (HBITMAP)::SelectObject(hMemDC1, csII.hbmColor);
- hOldBmp2 = (HBITMAP)::SelectObject(hMemDC2, csGrayII.hbmColor);
- ::BitBlt(hMemDC2, 0, 0, csII.xHotspot*2, csII.yHotspot*2, hMemDC1, 0, 0, SRCCOPY);
- DWORD dwLoopY = 0, dwLoopX = 0;
- COLORREF crPixel = 0;
- BYTE byNewPixel = 0;
- for (dwLoopY = 0; dwLoopY < csII.yHotspot*2; dwLoopY++)
- {
- for (dwLoopX = 0; dwLoopX < csII.xHotspot*2; dwLoopX++)
- {
- crPixel = ::GetPixel(hMemDC2, dwLoopX, dwLoopY);
- byNewPixel = (BYTE)((GetRValue(crPixel) * 0.299) + (GetGValue(crPixel) * 0.587) + (GetBValue(crPixel) * 0.114));
- if (crPixel) ::SetPixel(hMemDC2, dwLoopX, dwLoopY, RGB(byNewPixel, byNewPixel, byNewPixel));
- } // for
- } // for
- ::SelectObject(hMemDC1, hOldBmp1);
- ::SelectObject(hMemDC2, hOldBmp2);
- csGrayII.hbmMask = csII.hbmMask;
- csGrayII.fIcon = TRUE;
- hGrayIcon = ::CreateIconIndirect(&csGrayII);
- } // if
- ::DeleteObject(csGrayII.hbmColor);
- //::DeleteObject(csGrayII.hbmMask);
- } // if
- ::DeleteObject(csII.hbmColor);
- ::DeleteObject(csII.hbmMask);
- ::DeleteDC(hMemDC1);
- ::DeleteDC(hMemDC2);
- ::ReleaseDC(m_hWnd, hMainDC);
- return hGrayIcon;
- } // End of CreateGrayscaleIcon
- // This function assigns icons to the button.
- // Any previous icon or bitmap will be removed.
- //
- // Parameters:
- // [IN] nIconIn
- // ID number of the icon resource to show when the mouse is over the button.
- // Pass NULL to remove any icon from the button.
- // [IN] nIconOut
- // ID number of the icon resource to show when the mouse is outside the button.
- // Can be NULL.
- //
- // Return value:
- // BTNST_OK
- // Function executed successfully.
- // BTNST_INVALIDRESOURCE
- // Failed loading the specified resource.
- //
- DWORD CButtonST::SetIcon(int nIconIn, int nIconOut)
- {
- HICON hIconIn = NULL;
- HICON hIconOut = NULL;
- HINSTANCE hInstResource = NULL;
- // Find correct resource handle
- hInstResource = AfxFindResourceHandle(MAKEINTRESOURCE(nIconIn), RT_GROUP_ICON);
- // Set icon when the mouse is IN the button
- hIconIn = (HICON)::LoadImage(hInstResource, MAKEINTRESOURCE(nIconIn), IMAGE_ICON, 0, 0, 0);
- // Set icon when the mouse is OUT the button
- if (nIconOut)
- {
- if (nIconOut == (int)BTNST_AUTO_GRAY)
- hIconOut = BTNST_AUTO_GRAY;
- else
- hIconOut = (HICON)::LoadImage(hInstResource, MAKEINTRESOURCE(nIconOut), IMAGE_ICON, 0, 0, 0);
- } // if
- return SetIcon(hIconIn, hIconOut);
- } // End of SetIcon
- // This function assigns icons to the button.
- // Any previous icon or bitmap will be removed.
- //
- // Parameters:
- // [IN] hIconIn
- // Handle fo the icon to show when the mouse is over the button.
- // Pass NULL to remove any icon from the button.
- // [IN] hIconOut
- // Handle to the icon to show when the mouse is outside the button.
- // Can be NULL.
- //
- // Return value:
- // BTNST_OK
- // Function executed successfully.
- // BTNST_INVALIDRESOURCE
- // Failed loading the specified resource.
- //
- DWORD CButtonST::SetIcon(HICON hIconIn, HICON hIconOut)
- {
- BOOL bRetValue;
- ICONINFO ii;
- // Free any loaded resource
- FreeResources();
- if (hIconIn)
- {
- // Icon when mouse over button?
- m_csIcons[0].hIcon = hIconIn;
- // Get icon dimension
- ::ZeroMemory(&ii, sizeof(ICONINFO));
- bRetValue = ::GetIconInfo(hIconIn, &ii);
- if (bRetValue == FALSE)
- {
- FreeResources();
- return BTNST_INVALIDRESOURCE;
- } // if
- m_csIcons[0].dwWidth = (DWORD)(ii.xHotspot * 2);
- m_csIcons[0].dwHeight = (DWORD)(ii.yHotspot * 2);
- ::DeleteObject(ii.hbmMask);
- ::DeleteObject(ii.hbmColor);
- // Icon when mouse outside button?
- if (hIconOut)
- {
- if (hIconOut == BTNST_AUTO_GRAY)
- {
- hIconOut = CreateGrayscaleIcon(hIconIn);
- } // if
- m_csIcons[1].hIcon = hIconOut;
- // Get icon dimension
- ::ZeroMemory(&ii, sizeof(ICONINFO));
- bRetValue = ::GetIconInfo(hIconOut, &ii);
- if (bRetValue == FALSE)
- {
- FreeResources();
- return BTNST_INVALIDRESOURCE;
- } // if
- m_csIcons[1].dwWidth = (DWORD)(ii.xHotspot * 2);
- m_csIcons[1].dwHeight = (DWORD)(ii.yHotspot * 2);
- ::DeleteObject(ii.hbmMask);
- ::DeleteObject(ii.hbmColor);
- } // if
- } // if
- Invalidate();
- return BTNST_OK;
- } // End of SetIcon
- // This function assigns bitmaps to the button.
- // Any previous icon or bitmap will be removed.
- //
- // Parameters:
- // [IN] nBitmapIn
- // ID number of the bitmap resource to show when the mouse is over the button.
- // Pass NULL to remove any bitmap from the button.
- // [IN] crTransColorIn
- // Color (inside nBitmapIn) to be used as transparent color.
- // [IN] nBitmapOut
- // ID number of the bitmap resource to show when the mouse is outside the button.
- // Can be NULL.
- // [IN] crTransColorOut
- // Color (inside nBitmapOut) to be used as transparent color.
- //
- // Return value:
- // BTNST_OK
- // Function executed successfully.
- // BTNST_INVALIDRESOURCE
- // Failed loading the specified resource.
- // BTNST_FAILEDMASK
- // Failed creating mask bitmap.
- //
- DWORD CButtonST::SetBitmaps(int nBitmapIn, COLORREF crTransColorIn, int nBitmapOut, COLORREF crTransColorOut)
- {
- HBITMAP hBitmapIn = NULL;
- HBITMAP hBitmapOut = NULL;
- HINSTANCE hInstResource = NULL;
- // Find correct resource handle
- hInstResource = AfxFindResourceHandle(MAKEINTRESOURCE(nBitmapIn), RT_BITMAP);
- // Load bitmap In
- hBitmapIn = (HBITMAP)::LoadImage(hInstResource, MAKEINTRESOURCE(nBitmapIn), IMAGE_BITMAP, 0, 0, 0);
- // Load bitmap Out
- if (nBitmapOut)
- hBitmapOut = (HBITMAP)::LoadImage(hInstResource, MAKEINTRESOURCE(nBitmapOut), IMAGE_BITMAP, 0, 0, 0);
- return SetBitmaps(hBitmapIn, crTransColorIn, hBitmapOut, crTransColorOut);
- } // End of SetBitmaps
- // This function assigns bitmaps to the button.
- // Any previous icon or bitmap will be removed.
- //
- // Parameters:
- // [IN] hBitmapIn
- // Handle fo the bitmap to show when the mouse is over the button.
- // Pass NULL to remove any bitmap from the button.
- // [IN] crTransColorIn
- // Color (inside hBitmapIn) to be used as transparent color.
- // [IN] hBitmapOut
- // Handle to the bitmap to show when the mouse is outside the button.
- // Can be NULL.
- // [IN] crTransColorOut
- // Color (inside hBitmapOut) to be used as transparent color.
- //
- // Return value:
- // BTNST_OK
- // Function executed successfully.
- // BTNST_INVALIDRESOURCE
- // Failed loading the specified resource.
- // BTNST_FAILEDMASK
- // Failed creating mask bitmap.
- //
- DWORD CButtonST::SetBitmaps(HBITMAP hBitmapIn, COLORREF crTransColorIn, HBITMAP hBitmapOut, COLORREF crTransColorOut)
- {
- int nRetValue;
- BITMAP csBitmapSize;
- // Free any loaded resource
- FreeResources();
- if (hBitmapIn)
- {
- m_csBitmaps[0].hBitmap = hBitmapIn;
- m_csBitmaps[0].crTransparent = crTransColorIn;
- // Get bitmap size
- nRetValue = ::GetObject(hBitmapIn, sizeof(csBitmapSize), &csBitmapSize);
- if (nRetValue == 0)
- {
- FreeResources();
- return BTNST_INVALIDRESOURCE;
- } // if
- m_csBitmaps[0].dwWidth = (DWORD)csBitmapSize.bmWidth;
- m_csBitmaps[0].dwHeight = (DWORD)csBitmapSize.bmHeight;
- // Create mask for bitmap In
- m_csBitmaps[0].hMask = CreateBitmapMask(hBitmapIn, m_csBitmaps[0].dwWidth, m_csBitmaps[0].dwHeight, crTransColorIn);
- if (m_csBitmaps[0].hMask == NULL)
- {
- FreeResources();
- return BTNST_FAILEDMASK;
- } // if
- if (hBitmapOut)
- {
- m_csBitmaps[1].hBitmap = hBitmapOut;
- m_csBitmaps[1].crTransparent = crTransColorOut;
- // Get bitmap size
- nRetValue = ::GetObject(hBitmapOut, sizeof(csBitmapSize), &csBitmapSize);
- if (nRetValue == 0)
- {
- FreeResources();
- return BTNST_INVALIDRESOURCE;
- } // if
- m_csBitmaps[1].dwWidth = (DWORD)csBitmapSize.bmWidth;
- m_csBitmaps[1].dwHeight = (DWORD)csBitmapSize.bmHeight;
- // Create mask for bitmap Out
- m_csBitmaps[1].hMask = CreateBitmapMask(hBitmapOut, m_csBitmaps[1].dwWidth, m_csBitmaps[1].dwHeight, crTransColorOut);
- if (m_csBitmaps[1].hMask == NULL)
- {
- FreeResources();
- return BTNST_FAILEDMASK;
- } // if
- } // if
- } // if
- Invalidate();
- return BTNST_OK;
- } // End of SetBitmaps
- // This functions sets the button to have a standard or flat style.
- //
- // Parameters:
- // [IN] bFlat
- // If TRUE the button will have a flat style, else
- // will have a standard style.
- // By default, CButtonST buttons are flat.
- // [IN] bRepaint
- // If TRUE the control will be repainted.
- //
- // Return value:
- // BTNST_OK
- // Function executed successfully.
- //
- DWORD CButtonST::SetFlat(BOOL bFlat, BOOL bRepaint)
- {
- m_bIsFlat = bFlat;
- if (bRepaint) Invalidate();
- return BTNST_OK;
- } // End of SetFlat
- // This function sets the alignment type between icon/bitmap and text.
- //
- // Parameters:
- // [IN] byAlign
- // Alignment type. Can be one of the following values:
- // ST_ALIGN_HORIZ Icon/bitmap on the left, text on the right
- // ST_ALIGN_VERT Icon/bitmap on the top, text on the bottom
- // ST_ALIGN_HORIZ_RIGHT Icon/bitmap on the right, text on the left
- // By default, CButtonST buttons have ST_ALIGN_HORIZ alignment.
- // [IN] bRepaint
- // If TRUE the control will be repainted.
- //
- // Return value:
- // BTNST_OK
- // Function executed successfully.
- // BTNST_INVALIDALIGN
- // Alignment type not supported.
- //
- DWORD CButtonST::SetAlign(BYTE byAlign, BOOL bRepaint)
- {
- switch (byAlign)
- {
- case ST_ALIGN_HORIZ:
- case ST_ALIGN_HORIZ_RIGHT:
- case ST_ALIGN_VERT:
- m_byAlign = byAlign;
- if (bRepaint) Invalidate();
- return BTNST_OK;
- break;
- } // switch
- return BTNST_INVALIDALIGN;
- } // End of SetAlign
- // This function sets the state of the checkbox.
- // If the button is not a checkbox, this function has no meaning.
- //
- // Parameters:
- // [IN] nCheck
- // 1 to check the checkbox.
- // 0 to un-check the checkbox.
- // [IN] bRepaint
- // If TRUE the control will be repainted.
- //
- // Return value:
- // BTNST_OK
- // Function executed successfully.
- //
- DWORD CButtonST::SetCheck(int nCheck, BOOL bRepaint)
- {
- if (m_bIsCheckBox)
- {
- if (nCheck == 0) m_nCheck = 0;
- else m_nCheck = 1;
- if (bRepaint) Invalidate();
- } // if
- return BTNST_OK;
- } // End of SetCheck
- // This function returns the current state of the checkbox.
- // If the button is not a checkbox, this function has no meaning.
- //
- // Return value:
- // The current state of the checkbox.
- // 1 if checked.
- // 0 if not checked or the button is not a checkbox.
- //
- int CButtonST::GetCheck()
- {
- return m_nCheck;
- } // End of GetCheck
- // This function sets all colors to a default value.
- //
- // Parameters:
- // [IN] bRepaint
- // If TRUE the control will be repainted.
- //
- // Return value:
- // BTNST_OK
- // Function executed successfully.
- //
- DWORD CButtonST::SetDefaultColors(BOOL bRepaint)
- {
- m_crColors[BTNST_COLOR_BK_IN] = ::GetSysColor(COLOR_BTNFACE);
- m_crColors[BTNST_COLOR_FG_IN] = ::GetSysColor(COLOR_BTNTEXT);
- m_crColors[BTNST_COLOR_BK_OUT] = ::GetSysColor(COLOR_BTNFACE);
- m_crColors[BTNST_COLOR_FG_OUT] = ::GetSysColor(COLOR_BTNTEXT);
- m_crColors[BTNST_COLOR_BK_FOCUS] = ::GetSysColor(COLOR_BTNFACE);
- m_crColors[BTNST_COLOR_FG_FOCUS] = ::GetSysColor(COLOR_BTNTEXT);
- if (bRepaint) Invalidate();
- return BTNST_OK;
- } // End of SetDefaultColors
- // This function sets the color to use for a particular state.
- //
- // Parameters:
- // [IN] byColorIndex
- // Index of the color to set. Can be one of the following values:
- // BTNST_COLOR_BK_IN Background color when mouse is over the button
- // BTNST_COLOR_FG_IN Text color when mouse is over the button
- // BTNST_COLOR_BK_OUT Background color when mouse is outside the button
- // BTNST_COLOR_FG_OUT Text color when mouse is outside the button
- // BTNST_COLOR_BK_FOCUS Background color when the button is focused
- // BTNST_COLOR_FG_FOCUS Text color when the button is focused
- // [IN] crColor
- // New color.
- // [IN] bRepaint
- // If TRUE the control will be repainted.
- //
- // Return value:
- // BTNST_OK
- // Function executed successfully.
- // BTNST_INVALIDINDEX
- // Invalid color index.
- //
- DWORD CButtonST::SetColor(BYTE byColorIndex, COLORREF crColor, BOOL bRepaint)
- {
- if (byColorIndex >= BTNST_MAX_COLORS) return BTNST_INVALIDINDEX;
- // Set new color
- m_crColors[byColorIndex] = crColor;
- if (bRepaint) Invalidate();
- return BTNST_OK;
- } // End of SetColor
- // This functions returns the color used for a particular state.
- //
- // Parameters:
- // [IN] byColorIndex
- // Index of the color to get.
- // See SetColor for the list of available colors.
- // [OUT] crpColor
- // A pointer to a COLORREF that will receive the color.
- //
- // Return value:
- // BTNST_OK
- // Function executed successfully.
- // BTNST_INVALIDINDEX
- // Invalid color index.
- //
- DWORD CButtonST::GetColor(BYTE byColorIndex, COLORREF* crpColor)
- {
- if (byColorIndex >= BTNST_MAX_COLORS) return BTNST_INVALIDINDEX;
- // Get color
- *crpColor = m_crColors[byColorIndex];
- return BTNST_OK;
- } // End of GetColor
- // This function applies an offset to the RGB components of the specified color.
- // This function can be seen as an easy way to make a color darker or lighter than
- // its default value.
- //
- // Parameters:
- // [IN] byColorIndex
- // Index of the color to set.
- // See SetColor for the list of available colors.
- // [IN] shOffsetColor
- // A short value indicating the offset to apply to the color.
- // This value must be between -255 and 255.
- // [IN] bRepaint
- // If TRUE the control will be repainted.
- //
- // Return value:
- // BTNST_OK
- // Function executed successfully.
- // BTNST_INVALIDINDEX
- // Invalid color index.
- // BTNST_BADPARAM
- // The specified offset is out of range.
- //
- DWORD CButtonST::OffsetColor(BYTE byColorIndex, short shOffset, BOOL bRepaint)
- {
- BYTE byRed = 0;
- BYTE byGreen = 0;
- BYTE byBlue = 0;
- short shOffsetR = shOffset;
- short shOffsetG = shOffset;
- short shOffsetB = shOffset;
- if (byColorIndex >= BTNST_MAX_COLORS) return BTNST_INVALIDINDEX;
- if (shOffset < -255 || shOffset > 255) return BTNST_BADPARAM;
- // Get RGB components of specified color
- byRed = GetRValue(m_crColors[byColorIndex]);
- byGreen = GetGValue(m_crColors[byColorIndex]);
- byBlue = GetBValue(m_crColors[byColorIndex]);
- // Calculate max. allowed real offset
- if (shOffset > 0)
- {
- if (byRed + shOffset > 255) shOffsetR = 255 - byRed;
- if (byGreen + shOffset > 255) shOffsetG = 255 - byGreen;
- if (byBlue + shOffset > 255) shOffsetB = 255 - byBlue;
- shOffset = min(min(shOffsetR, shOffsetG), shOffsetB);
- } // if
- else
- {
- if (byRed + shOffset < 0) shOffsetR = -byRed;
- if (byGreen + shOffset < 0) shOffsetG = -byGreen;
- if (byBlue + shOffset < 0) shOffsetB = -byBlue;
- shOffset = max(max(shOffsetR, shOffsetG), shOffsetB);
- } // else
- // Set new color
- m_crColors[byColorIndex] = RGB(byRed + shOffset, byGreen + shOffset, byBlue + shOffset);
- if (bRepaint) Invalidate();
- return BTNST_OK;
- } // End of OffsetColor
- // This function sets the hilight logic for the button.
- // Applies only to flat buttons.
- //
- // Parameters:
- // [IN] bAlwaysTrack
- // If TRUE the button will be hilighted even if the window that owns it, is
- // not the active window.
- // If FALSE the button will be hilighted only if the window that owns it,
- // is the active window.
- //
- // Return value:
- // BTNST_OK
- // Function executed successfully.
- //
- DWORD CButtonST::SetAlwaysTrack(BOOL bAlwaysTrack)
- {
- m_bAlwaysTrack = bAlwaysTrack;
- return BTNST_OK;
- } // End of SetAlwaysTrack
- // This function sets the cursor to be used when the mouse is over the button.
- //
- // Parameters:
- // [IN] nCursorId
- // ID number of the cursor resource.
- // Pass NULL to remove a previously loaded cursor.
- // [IN] bRepaint
- // If TRUE the control will be repainted.
- //
- // Return value:
- // BTNST_OK
- // Function executed successfully.
- // BTNST_INVALIDRESOURCE
- // Failed loading the specified resource.
- //
- DWORD CButtonST::SetBtnCursor(int nCursorId, BOOL bRepaint)
- {
- HINSTANCE hInstResource = NULL;
- // Destroy any previous cursor
- if (m_hCursor)
- {
- ::DestroyCursor(m_hCursor);
- m_hCursor = NULL;
- } // if
- // Load cursor
- if (nCursorId)
- {
- hInstResource = AfxFindResourceHandle(MAKEINTRESOURCE(nCursorId), RT_GROUP_CURSOR);
- // Load cursor resource
- m_hCursor = (HCURSOR)::LoadImage(hInstResource, MAKEINTRESOURCE(nCursorId), IMAGE_CURSOR, 0, 0, 0);
- // Repaint the button
- if (bRepaint) Invalidate();
- // If something wrong
- if (m_hCursor == NULL) return BTNST_INVALIDRESOURCE;
- } // if
- return BTNST_OK;
- } // End of SetBtnCursor
- // This function sets if the button border must be drawn.
- // Applies only to flat buttons.
- //
- // Parameters:
- // [IN] bDrawBorder
- // If TRUE the border will be drawn.
- // [IN] bRepaint
- // If TRUE the control will be repainted.
- //
- // Return value:
- // BTNST_OK
- // Function executed successfully.
- //
- DWORD CButtonST::DrawBorder(BOOL bDrawBorder, BOOL bRepaint)
- {
- m_bDrawBorder = bDrawBorder;
- // Repaint the button
- if (bRepaint) Invalidate();
- return BTNST_OK;
- } // End of DrawBorder
- // This function sets if the focus rectangle must be drawn for flat buttons.
- //
- // Parameters:
- // [IN] bDrawFlatFocus
- // If TRUE the focus rectangle will be drawn also for flat buttons.
- // [IN] bRepaint
- // If TRUE the control will be repainted.
- //
- // Return value:
- // BTNST_OK
- // Function executed successfully.
- //
- DWORD CButtonST::DrawFlatFocus(BOOL bDrawFlatFocus, BOOL bRepaint)
- {
- m_bDrawFlatFocus = bDrawFlatFocus;
- // Repaint the button
- if (bRepaint) Invalidate();
- return BTNST_OK;
- } // End of DrawFlatFocus
- void CButtonST::InitToolTip()
- {
- if (m_ToolTip.m_hWnd == NULL)
- {
- // Create ToolTip control
- m_ToolTip.Create(this);
- // Create inactive
- m_ToolTip.Activate(FALSE);
- // Enable multiline
- m_ToolTip.SendMessage(TTM_SETMAXTIPWIDTH, 0, 400);
- } // if
- } // End of InitToolTip
- // This function sets the text to show in the button tooltip.
- //
- // Parameters:
- // [IN] nText
- // ID number of the string resource containing the text to show.
- // [IN] bActivate
- // If TRUE the tooltip will be created active.
- //
- void CButtonST::SetTooltipText(int nText, BOOL bActivate)
- {
- CString sText;
- // Load string resource
- sText.LoadString(nText);
- // If string resource is not empty
- if (sText.IsEmpty() == FALSE) SetTooltipText((LPCTSTR)sText, bActivate);
- } // End of SetTooltipText
- // This function sets the text to show in the button tooltip.
- //
- // Parameters:
- // [IN] lpszText
- // Pointer to a null-terminated string containing the text to show.
- // [IN] bActivate
- // If TRUE the tooltip will be created active.
- //
- void CButtonST::SetTooltipText(LPCTSTR lpszText, BOOL bActivate)
- {
- // We cannot accept NULL pointer
- if (lpszText == NULL) return;
- // Initialize ToolTip
- InitToolTip();
- // If there is no tooltip defined then add it
- if (m_ToolTip.GetToolCount() == 0)
- {
- CRect rectBtn;
- GetClientRect(rectBtn);
- m_ToolTip.AddTool(this, lpszText, rectBtn, 1);
- } // if
- // Set text for tooltip
- m_ToolTip.UpdateTipText(lpszText, this, 1);
- m_ToolTip.Activate(bActivate);
- } // End of SetTooltipText
- // This function enables or disables the button tooltip.
- //
- // Parameters:
- // [IN] bActivate
- // If TRUE the tooltip will be activated.
- //
- void CButtonST::ActivateTooltip(BOOL bActivate)
- {
- // If there is no tooltip then do nothing
- if (m_ToolTip.GetToolCount() == 0) return;
- // Activate tooltip
- m_ToolTip.Activate(bActivate);
- } // End of EnableTooltip
- // This function returns if the button is the default button.
- //
- // Return value:
- // TRUE
- // The button is the default button.
- // FALSE
- // The button is not the default button.
- //
- BOOL CButtonST::GetDefault()
- {
- return m_bIsDefault;
- } // End of GetDefault
- // This function enables the transparent mode.
- // Note: this operation is not reversible.
- // DrawTransparent should be called just after the button is created.
- // Do not use trasparent buttons until you really need it (you have a bitmapped
- // background) since each transparent button makes a copy in memory of its background.
- // This may bring unnecessary memory use and execution overload.
- //
- // Parameters:
- // [IN] bRepaint
- // If TRUE the control will be repainted.
- //
- void CButtonST::DrawTransparent(BOOL bRepaint)
- {
- m_bDrawTransparent = TRUE;
- // Restore old bitmap (if any)
- if (m_dcBk.m_hDC != NULL && m_pbmpOldBk != NULL)
- {
- m_dcBk.SelectObject(m_pbmpOldBk);
- } // if
- m_bmpBk.DeleteObject();
- m_dcBk.DeleteDC();
- // Repaint the button
- if (bRepaint) Invalidate();
- } // End of DrawTransparent
- // This function sets the URL that will be opened when the button is clicked.
- //
- // Parameters:
- // [IN] lpszURL
- // Pointer to a null-terminated string that contains the URL.
- // Pass NULL to removed any previously specified URL.
- //
- // Return value:
- // BTNST_OK
- // Function executed successfully.
- //
- DWORD CButtonST::SetURL(LPCTSTR lpszURL)
- {
- // Remove any existing URL
- memset(m_szURL, 0, sizeof(m_szURL));
- if (lpszURL)
- {
- // Store the URL
- _tcsncpy(m_szURL, lpszURL, _MAX_PATH);
- } // if
- return BTNST_OK;
- } // End of SetURL
- // This function associates a menu to the button.
- // The menu will be displayed clicking the button.
- //
- // Parameters:
- // [IN] nMenu
- // ID number of the menu resource.
- // Pass NULL to remove any menu from the button.
- // [IN] hParentWnd
- // Handle to the window that owns the menu.
- // This window receives all messages from the menu.
- // [IN] bRepaint
- // If TRUE the control will be repainted.
- //
- // Return value:
- // BTNST_OK
- // Function executed successfully.
- // BTNST_INVALIDRESOURCE
- // Failed loading the specified resource.
- //
- #ifndef BTNST_USE_BCMENU
- DWORD CButtonST::SetMenu(UINT nMenu, HWND hParentWnd, BOOL bRepaint)
- {
- HINSTANCE hInstResource = NULL;
- // Destroy any previous menu
- if (m_hMenu)
- {
- ::DestroyMenu(m_hMenu);
- m_hMenu = NULL;
- m_hParentWndMenu = NULL;
- m_bMenuDisplayed = FALSE;
- } // if
- // Load menu
- if (nMenu)
- {
- // Find correct resource handle
- hInstResource = AfxFindResourceHandle(MAKEINTRESOURCE(nMenu), RT_MENU);
- // Load menu resource
- m_hMenu = ::LoadMenu(hInstResource, MAKEINTRESOURCE(nMenu));
- m_hParentWndMenu = hParentWnd;
- // If something wrong
- if (m_hMenu == NULL) return BTNST_INVALIDRESOURCE;
- } // if
- // Repaint the button
- if (bRepaint) Invalidate();
- return BTNST_OK;
- } // End of SetMenu
- #endif
- // This function associates a menu to the button.
- // The menu will be displayed clicking the button.
- // The menu will be handled by the BCMenu class.
- //
- // Parameters:
- // [IN] nMenu
- // ID number of the menu resource.
- // Pass NULL to remove any menu from the button.
- // [IN] hParentWnd
- // Handle to the window that owns the menu.
- // This window receives all messages from the menu.
- // [IN] bWinXPStyle
- // If TRUE the menu will be displayed using the new Windows XP style.
- // If FALSE the menu will be displayed using the standard style.
- // [IN] nToolbarID
- // Resource ID of the toolbar to be associated to the menu.
- // [IN] sizeToolbarIcon
- // A CSize object indicating the size (in pixels) of each icon into the toolbar.
- // All icons into the toolbar must have the same size.
- // [IN] crToolbarBk
- // A COLORREF value indicating the color to use as background for the icons into the toolbar.
- // This color will be used as the "transparent" color.
- // [IN] bRepaint
- // If TRUE the control will be repainted.
- //
- // Return value:
- // BTNST_OK
- // Function executed successfully.
- // BTNST_INVALIDRESOURCE
- // Failed loading the specified resource.
- //
- #ifdef BTNST_USE_BCMENU
- DWORD CButtonST::SetMenu(UINT nMenu, HWND hParentWnd, BOOL bWinXPStyle, UINT nToolbarID, CSize sizeToolbarIcon, COLORREF crToolbarBk, BOOL bRepaint)
- {
- BOOL bRetValue = FALSE;
- // Destroy any previous menu
- if (m_menuPopup.m_hMenu)
- {
- m_menuPopup.DestroyMenu();
- m_hParentWndMenu = NULL;
- m_bMenuDisplayed = FALSE;
- } // if
- // Load menu
- if (nMenu)
- {
- m_menuPopup.SetMenuDrawMode(bWinXPStyle);
- // Load menu
- bRetValue = m_menuPopup.LoadMenu(nMenu);
- // If something wrong
- if (bRetValue == FALSE) return BTNST_INVALIDRESOURCE;
- // Load toolbar
- if (nToolbarID)
- {
- m_menuPopup.SetBitmapBackground(crToolbarBk);
- m_menuPopup.SetIconSize(sizeToolbarIcon.cx, sizeToolbarIcon.cy);
- bRetValue = m_menuPopup.LoadToolbar(nToolbarID);
- // If something wrong
- if (bRetValue == FALSE)
- {
- m_menuPopup.DestroyMenu();
- return BTNST_INVALIDRESOURCE;
- } // if
- } // if
- m_hParentWndMenu = hParentWnd;
- } // if
- // Repaint the button
- if (bRepaint) Invalidate();
- return BTNST_OK;
- } // End of SetMenu
- #endif
- // This function is called every time the button background needs to be painted.
- // If the button is in transparent mode this function will NOT be called.
- // This is a virtual function that can be rewritten in CButtonST-derived classes
- // to produce a whole range of buttons not available by default.
- //
- // Parameters:
- // [IN] pDC
- // Pointer to a CDC object that indicates the device context.
- // [IN] pRect
- // Pointer to a CRect object that indicates the bounds of the
- // area to be painted.
- //
- // Return value:
- // BTNST_OK
- // Function executed successfully.
- //
- DWORD CButtonST::OnDrawBackground(CDC* pDC, LPCRECT pRect)
- {
- COLORREF crColor;
- if (m_bMouseOnButton || m_bIsPressed)
- crColor = m_crColors[BTNST_COLOR_BK_IN];
- else
- {
- if (m_bIsFocused)
- crColor = m_crColors[BTNST_COLOR_BK_FOCUS];
- else
- crColor = m_crColors[BTNST_COLOR_BK_OUT];
- } // else
- CBrush brBackground(crColor);
- pDC->FillRect(pRect, &brBackground);
- return BTNST_OK;
- } // End of OnDrawBackground
- // This function is called every time the button border needs to be painted.
- // If the button is in standard (not flat) mode this function will NOT be called.
- // This is a virtual function that can be rewritten in CButtonST-derived classes
- // to produce a whole range of buttons not available by default.
- //
- // Parameters:
- // [IN] pDC
- // Pointer to a CDC object that indicates the device context.
- // [IN] pRect
- // Pointer to a CRect object that indicates the bounds of the
- // area to be painted.
- //
- // Return value:
- // BTNST_OK
- // Function executed successfully.
- //
- DWORD CButtonST::OnDrawBorder(CDC* pDC, LPCRECT pRect)
- {
- if (m_bIsPressed)
- pDC->Draw3dRect(pRect, ::GetSysColor(COLOR_BTNSHADOW), ::GetSysColor(COLOR_BTNHILIGHT));
- else
- pDC->Draw3dRect(pRect, ::GetSysColor(COLOR_BTNHILIGHT), ::GetSysColor(COLOR_BTNSHADOW));
- return BTNST_OK;
- } // End of OnDrawBorder
- #undef BS_TYPEMASK