MDI Sample (C++/MFC)
This sample illustrates an MDI application with a tab control to select the active document.
The source code is located at C:\Program Files (x86)\Softelvdm\SftTabs DLL 6.5\Samples\MFC\MDI\MainFrm.cpp or C:\Program Files\Softelvdm\SftTabs DLL 6.5\Samples\MFC\MDI\MainFrm.cpp (on 32-bit Windows versions).
/****************************************************************************/
/* SftTabs/DLL 6.5 - Tab Control for C/C++ */
/* Copyright (C) 1994, 2017 Softel vdm, Inc. All Rights Reserved. */
/****************************************************************************/
#include "stdafx.h"
IMPLEMENT_DYNAMIC(CMainFrame, CMDIFrameWnd)
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
#define IDC_MDITAB 200 // tab control ID
/*- Tab Control Initialization Data --------------------------------------------*/
static const SFTTABS_CONTROL CtlInit = {
SFTTABSSTYLE_LSQUARE, /* tab style */
1, /* number of rows */
0, /* number of tabs per row (if fFixed) */
0, /* width of left margin */
0, /* width of right margin */
FALSE, /* same width for all tabs */
FALSE, /* wanted */
FALSE, /* allow multiline label text */
TRUE, /* use with dialog */
FALSE, /* use specified background color only for text */
TRUE, /* scrollable tabs */
FALSE, /* hide */
TRUE, /* bold font for wanted */
FALSE, /* fill rows completely */
NULL, /* bitmap */
NULL, /* Dialog data associated with */
NULL, /* Dialog window handle associated with */
NULL, /* Frame, used as */
TRUE, /* Tooltips wanted */
FALSE, /* drop text if it doesn't fit */
FALSE, /* conditional */
BMBUTTONSTYLE_HOVER_BUTTON, /* style */
TRUE, /* display ... if truncated */
TRUE, /* Flyby highlighting */
TRUE, /* use colors in partially obscured frames */
FALSE, /* on left side */
0, /* row indentation */
TRUE, /* don't show truncated pattern for clipped tab */
FALSE, /* full size */
FALSE, /* use themes on Windows XP */
FALSE, /* use exact window region */
FALSE, /* always show prefix _ */
0,0,0,0, /* animation values */
NULL, /* disabled button bitmap */
TRUE, /* focus rectangle if the control has i/p focus */
TRUE, /* TRUE if wanted */
FALSE, /* TRUE if disabled */
FALSE, /* TRUE if WM_CLOSE message wanted */
FALSE, /* TRUE if are full size */
SFTTABS_BUTTON_NEAR, /* alignment */
SFTTABS_BUTTON_NEAR, /* alignment */
FALSE, /* TRUE if wanted */
FALSE, /* TRUE if disabled */
FALSE, /* TRUE if wanted */
FALSE, /* TRUE if disabled */
NULL, /* Close, Minimize, bitmap */
NULL, /* Close, Minimize, Restore disabled button bitmap */
TEXT("Scroll Left"), /* scroll left button tooltip */
TEXT("Scroll Right"), /* tooltip */
TEXT("Close"), /* tooltip */
TEXT("Minimize"), /* tooltip */
TEXT("Restore"), /* tooltip */
0, /* custom modifications */
0, /* forced height/width depending on tab style - 0 to ignore */
FALSE, /* switch tabs on button release (or down if FALSE) */
FALSE, /* Rendering compatible with pre-6.0 */
FALSE, /* don't display clientarea border - select styles only */
SFTTABS_TABS_LEFT, /* alignment of tabs on all rows */
SFTTABS_LAYOUT_DISTRIBUTE, /* distribution of tabs on rows */
0, 0, /* minimum and maximum number of rows for autoflow layout (none specified) */
TRUE, /* reorderable tabs */
FALSE, /* */
};
static const SFTTABS_TAB Tab0 = { /*&Dummy, not used */
SFTTABS_NOCOLOR, SFTTABS_NOCOLOR, /* background, foreground color */
SFTTABS_NOCOLOR, SFTTABS_NOCOLOR, /* background, foreground color (when selected) */
{ SFTTABS_GRAPH_NONE, 0 }, /* location */
TRUE, /* enabled/disabled */
0, /* userdata */
0, /* reserved */
NULL, /* reserved */
SFTTABS_NOCOLOR, /* Flyby foreground color */
SFTTABS_NOCOLOR, /* background color */
0,0,0,0, /* animation values */
NULL, /* tab-specific ImageList handle*/
FALSE, /* hidden tab */
SFTTABS_NOCOLOR, /* gradient fill background color */
SFTTABS_NOCOLOR,
SFTTABS_NOCOLOR, /* gradient fill background color, */
SFTTABS_NOCOLOR,
SFTTABS_NOCOLOR, /* gradient fill color */
SFTTABS_NOCOLOR,
0,0,0, /* TabPicture, TabPictureDisabled and TabPictureHot */
TRUE, /* has */
0,0,0,0,0, /* gap2, TabPicture2, TabPicture2Active, TabPicture2Disabled, TabPicture2Hot */
};
/////////////////////////////////////////////////////////////////////////////
// CMainFrame
BEGIN_MESSAGE_MAP(CMainFrame, CMDIFrameWnd)
//{{AFX_MSG_MAP(CMainFrame)
ON_WM_CREATE()
ON_WM_DESTROY()
//}}AFX_MSG_MAP
ON_SFTTABSN_SWITCHED(IDC_MDITAB, OnTabSwitched)
ON_SFTTABSN_CLOSEBUTTON(IDC_MDITAB, OnCloseClicked)
ON_SFTTABSN_LBUTTONDOWN_IMAGE2(IDC_MDITAB, OnTabCloseClicked)
ON_SFTTABSN_DRAGDROP(IDC_MDITAB, OnTabsReordered)
END_MESSAGE_MAP()
static UINT indicators[] =
{
ID_SEPARATOR, // status line indicator
ID_INDICATOR_CAPS,
ID_INDICATOR_NUM,
ID_INDICATOR_SCRL,
};
// toolbar buttons - IDs are command buttons
static UINT BASED_CODE buttons[] =
{
// same order as in the bitmap 'toolbar.bmp'
ID_FILE_NEW,
ID_FILE_OPEN,
ID_FILE_SAVE,
ID_SEPARATOR,
ID_EDIT_CUT,
ID_EDIT_COPY,
ID_EDIT_PASTE,
ID_SEPARATOR,
ID_FILE_PRINT_PREVIEW,
ID_FILE_PRINT,
ID_SEPARATOR,
ID_APP_ABOUT,
};
/////////////////////////////////////////////////////////////////////////////
// CMainFrame construction/destruction
CMainFrame::CMainFrame()
{
HDC hDC = ::GetDC(NULL); // Get a device context
int height = MulDiv(10, ::GetDeviceCaps(hDC, LOGPIXELSY), 72);
/* Convert point-size to pixels */
m_Font.CreateFont(-height, 0, 0, 0, FW_NORMAL, 0, 0, 0, 0, 0, 0, 0, 0, _T("Arial"));
::ReleaseDC(NULL, hDC); // Release device context
}
CMainFrame::~CMainFrame()
{
}
int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
if (CMDIFrameWnd::OnCreate(lpCreateStruct) == -1)
return -1;
if (!m_wndToolBar.CreateEx(this, TBSTYLE_FLAT, WS_CHILD | WS_VISIBLE | CBRS_TOP
| CBRS_GRIPPER | CBRS_TOOLTIPS | CBRS_FLYBY | CBRS_SIZE_DYNAMIC) ||
!m_wndToolBar.LoadToolBar(IDR_MAINFRAME))
{
TRACE0("Failed to create toolbar\n");
return -1; // fail to create
}
if (!m_wndStatusBar.Create(this) ||
!m_wndStatusBar.SetIndicators(indicators,
sizeof(indicators)/sizeof(UINT)))
{
TRACE0("Failed to create status bar\n");
return -1; // fail to create
}
m_wndToolBar.EnableDocking(CBRS_ALIGN_ANY);
EnableDocking(CBRS_ALIGN_ANY);
DockControlBar(&m_wndToolBar);
if (!m_MDITab.Create(
WS_VISIBLE | WS_CHILD | // Visible, child window
WS_CLIPCHILDREN | WS_TABSTOP | // Clip child windows, tabstop
WS_GROUP, // Group
CRect(0, 200, 200, 220), // Location
this, // Parent window
IDC_MDITAB)) { // tab control ID
TRACE0("Failed to create tab control\n");
return -1; // fail to create
}
/* Initialization is faster if we set redraw off */
m_MDITab.SetRedraw(FALSE);
m_MDITab.SetFont(&m_Font, FALSE); // Set tab control font
/* We are using new features */
m_MDITab.SetVersion(SFTTABS_6_5);
m_MDITab.SetControlInfo(&CtlInit);
m_MDITab.SetAllowAllInactive(TRUE); // Allow all tabs to become inactive
// Make sure to turn redraw back on
m_MDITab.SetRedraw(TRUE);
m_MDITab.InvalidateRect(NULL, TRUE);
// Mark the view as a main, tabbed window (so accel. keys work) by registering it.
SftTabs_RegisterWindow(m_hWnd);
return 0;
}
void CMainFrame::AddTab(CChildFrame *pChildFrame)
{
int index;
// check if already added
int total = m_MDITab.GetCount();
for (index = 0 ; index < total ; ++index) {
SFTTABS_TAB Tab;
m_MDITab.GetTabInfo(index, &Tab);
if (Tab.userData == (SFTTABS_DWORD_PTR)(LPVOID) pChildFrame) {
m_MDITab.SetCurrentTab(index);
return; // already added
}
}
// New, add the window title as tab title
CString str;
pChildFrame->GetWindowText(str);
index = m_MDITab.AddTab(str);
ASSERT(index >= 0);
// get the document name and add it as a tooltip
CDocument* pDoc = pChildFrame->GetActiveDocument();
if (pDoc) {
str = pDoc->GetPathName();
if (str == _T(""))
str = _T("New document, no file name available");
m_MDITab.SetToolTip(index, str);
}
// Save a pointer to the frame window object as userdata
SFTTABS_TAB Tab;
m_MDITab.GetTabInfo(index, &Tab);
Tab.userData = (SFTTABS_DWORD_PTR)(LPVOID) pChildFrame;
Tab.fHasCloseButton = TRUE;
m_MDITab.SetTabInfo(index, &Tab);
// make it the
m_MDITab.SetCurrentTab(index);
}
void CMainFrame::RemoveTab(CChildFrame *pChildFrame)
{
int index;
// check if already added
int iTab = m_MDITab.GetCurrentTab();
int total = m_MDITab.GetCount();
for (index = 0 ; index < total ; ++index) {
SFTTABS_TAB Tab;
m_MDITab.GetTabInfo(index, &Tab);
if (Tab.userData == (SFTTABS_DWORD_PTR)(LPVOID) pChildFrame) {
m_MDITab.DeleteTab(index);
// adjust if necessary
if (iTab > index) {
m_MDITab.SetCurrentTab(iTab-1);
} else if (iTab == index) {
m_MDITab.SetCurrentTab(-1);
}
return;
}
}
}
void CMainFrame::OnSetPreviewMode(BOOL bPreview, CPrintPreviewState* pState)
{
// We don't want to see the tab control in Print Preview mode
m_MDITab.ShowWindow(bPreview ? SW_HIDE : SW_SHOW);
CMDIFrameWnd::OnSetPreviewMode(bPreview, pState);
}
void CMainFrame::OnTabSwitched()
{
// A new tab is active
// Get the
int index = m_MDITab.GetCurrentTab();
if (index < 0)
return;
// retrieve child window
SFTTABS_TAB Tab;
m_MDITab.GetTabInfo(index, &Tab);
CChildFrame* pChildFrame = (CChildFrame*) Tab.userData;
// Activate the MDI child window
MDIActivate(pChildFrame);
}
void CMainFrame::OnCloseClicked()
{
// Get the
int index = m_MDITab.GetCurrentTab();
if (index < 0)
return;
// retrieve child window
SFTTABS_TAB Tab;
m_MDITab.GetTabInfo(index, &Tab);
CChildFrame* pChildFrame = (CChildFrame*) Tab.userData;
// select next window (so we have a new )
MDINext();
// Destroy the MDI child window
pChildFrame->DestroyWindow();
}
void CMainFrame::OnTabCloseClicked()
{
// Get the tab whose was clicked (this is not necessarily the )
int index = m_MDITab.GetNextTab();
if (index < 0)
return;
// retrieve child window
SFTTABS_TAB Tab;
m_MDITab.GetTabInfo(index, &Tab);
CChildFrame* pChildFrame = (CChildFrame*) Tab.userData;
// select next window (so we have a new )
if (index == m_MDITab.GetCurrentTab())
MDINext();
// Destroy the MDI child window
pChildFrame->DestroyWindow();
}
void CMainFrame::OnTabsReordered()
{
SFTTABS_DRAGINFO dragInfo;
m_MDITab.GetDragInfo(&dragInfo);
if (dragInfo.targetAllowed)
m_MDITab.MoveTab(dragInfo.reorderTab, dragInfo.targetTab);
}
BOOL CMainFrame::PreCreateWindow(CREATESTRUCT& cs)
{
if( !CMDIFrameWnd::PreCreateWindow(cs) )
return FALSE;
return TRUE;
}
void CMainFrame::OnDestroy()
{
// Unregister, or the window properties used won't be removed
SftTabs_UnregisterWindow(m_hWnd);
CMDIFrameWnd::OnDestroy();
}
/////////////////////////////////////////////////////////////////////////////
// CMainFrame diagnostics
#ifdef _DEBUG
void CMainFrame::AssertValid() const
{
CMDIFrameWnd::AssertValid();
}
void CMainFrame::Dump(CDumpContext& dc) const
{
CMDIFrameWnd::Dump(dc);
}
#endif //_DEBUG
/////////////////////////////////////////////////////////////////////////////
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