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Add Win++ library to external This is a thin wrapper around the Win32 API used in the Win32 Updater Dialog implementation.
2011-08-23 18:54:52 +00:00
// Win32++ Version 7.2
// Released: 5th AUgust 2011
//
// David Nash
// email: dnash@bigpond.net.au
// url: https://sourceforge.net/projects/win32-framework
//
//
// Copyright (c) 2005-2011 David Nash
//
// Permission is hereby granted, free of charge, to
// any person obtaining a copy of this software and
// associated documentation files (the "Software"),
// to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify,
// merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom
// the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice
// shall be included in all copies or substantial portions
// of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
// ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
// TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
// PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
// SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
// ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
// OR OTHER DEALINGS IN THE SOFTWARE.
//
////////////////////////////////////////////////////////
///////////////////////////////////////////////////////
// tab.h
// Declaration of the CTab and CMDITab classes
#ifndef _WIN32XX_TAB_H_
#define _WIN32XX_TAB_H_
#include "wincore.h"
#include "dialog.h"
#include "gdi.h"
#include "default_resource.h"
namespace Win32xx
{
struct TabPageInfo
{
TCHAR szTabText[MAX_MENU_STRING];
int iImage; // index of this tab's image
int idTab; // identifier for this tab (optional)
CWnd* pView; // pointer to the view window
};
class CTab : public CWnd
{
protected:
// Declaration of the CSelectDialog class, a nested class of CTab
// It creates the dialog to choose which tab to activate
class CSelectDialog : public CDialog
{
public:
CSelectDialog(LPCDLGTEMPLATE lpTemplate, CWnd* pParent = NULL);
virtual ~CSelectDialog() {}
virtual void AddItem(LPCTSTR szString);
virtual BOOL IsTab() const { return FALSE; }
protected:
virtual BOOL OnInitDialog();
virtual void OnOK();
virtual void OnCancel() { EndDialog(-2); }
private:
CSelectDialog(const CSelectDialog&); // Disable copy construction
CSelectDialog& operator = (const CSelectDialog&); // Disable assignment operator
std::vector<tString> m_vItems;
int IDC_LIST;
};
public:
CTab();
virtual ~CTab();
virtual int AddTabPage(WndPtr pView, LPCTSTR szTabText, HICON hIcon, UINT idTab);
virtual int AddTabPage(WndPtr pView, LPCTSTR szTabText, int nID_Icon, UINT idTab = 0);
virtual int AddTabPage(WndPtr pView, LPCTSTR szTabText);
virtual CRect GetCloseRect() const;
virtual CRect GetListRect() const;
virtual HMENU GetListMenu();
virtual BOOL GetTabsAtTop() const;
virtual int GetTabIndex(CWnd* pWnd) const;
virtual TabPageInfo GetTabPageInfo(UINT nTab) const;
virtual int GetTextHeight() const;
virtual void RecalcLayout();
virtual void RemoveTabPage(int nPage);
virtual void SelectPage(int nPage);
virtual void SetFixedWidth(BOOL bEnabled);
virtual void SetOwnerDraw(BOOL bEnabled);
virtual void SetShowButtons(BOOL bShow);
virtual void SetTabIcon(int i, HICON hIcon);
virtual void SetTabsAtTop(BOOL bTop);
virtual void SetTabText(UINT nTab, LPCTSTR szText);
virtual void SwapTabs(UINT nTab1, UINT nTab2);
// Attributes
std::vector <TabPageInfo>& GetAllTabs() const { return (std::vector <TabPageInfo>&) m_vTabPageInfo; }
HIMAGELIST GetImageList() const { return m_himlTab; }
BOOL GetShowButtons() const { return m_bShowButtons; }
int GetTabHeight() const { return m_nTabHeight; }
CWnd* GetActiveView() const { return m_pActiveView; }
void SetTabHeight(int nTabHeight) { m_nTabHeight = nTabHeight; NotifyChanged();}
// Wrappers for Win32 Macros
void AdjustRect(BOOL fLarger, RECT *prc) const;
int GetCurFocus() const;
int GetCurSel() const;
BOOL GetItem(int iItem, LPTCITEM pitem) const;
int GetItemCount() const;
int HitTest(TCHITTESTINFO& info) const;
void SetCurFocus(int iItem) const;
int SetCurSel(int iItem) const;
DWORD SetItemSize(int cx, int cy) const;
int SetMinTabWidth(int cx) const;
void SetPadding(int cx, int cy) const;
protected:
virtual void DrawCloseButton(CDC& DrawDC);
virtual void DrawListButton(CDC& DrawDC);
virtual void DrawTabs(CDC& dcMem);
virtual void DrawTabBorders(CDC& dcMem, CRect& rcTab);
virtual void OnCreate();
virtual void OnLButtonDown(WPARAM wParam, LPARAM lParam);
virtual void OnLButtonUp(WPARAM wParam, LPARAM lParam);
virtual void OnMouseLeave(WPARAM wParam, LPARAM lParam);
virtual void OnMouseMove(WPARAM wParam, LPARAM lParam);
virtual LRESULT OnNCHitTest(WPARAM wParam, LPARAM lParam);
virtual LRESULT OnNotifyReflect(WPARAM wParam, LPARAM lParam);
virtual void NotifyChanged();
virtual void Paint();
virtual void PreCreate(CREATESTRUCT& cs);
virtual void PreRegisterClass(WNDCLASS &wc);
virtual void SetTabSize();
virtual void ShowListDialog();
virtual void ShowListMenu();
virtual LRESULT WndProcDefault(UINT uMsg, WPARAM wParam, LPARAM lParam);
private:
CTab(const CTab&); // Disable copy construction
CTab& operator = (const CTab&); // Disable assignment operator
SIZE GetMaxTabSize() const;
void ShowActiveView(CWnd* pView);
std::vector<TabPageInfo> m_vTabPageInfo;
std::vector<WndPtr> m_vTabViews;
CFont m_Font;
HIMAGELIST m_himlTab;
HMENU m_hListMenu;
CWnd* m_pActiveView;
BOOL m_bShowButtons; // Show or hide the close and list button
BOOL m_IsTracking;
BOOL m_IsClosePressed;
BOOL m_IsListPressed;
BOOL m_IsListMenuActive;
int m_nTabHeight;
};
////////////////////////////////////////
// Declaration of the CTabbedMDI class
class CTabbedMDI : public CWnd
{
public:
CTabbedMDI();
virtual ~CTabbedMDI();
virtual CWnd* AddMDIChild(CWnd* pView, LPCTSTR szTabText, int idMDIChild = 0);
virtual void CloseActiveMDI();
virtual void CloseAllMDIChildren();
virtual void CloseMDIChild(int nTab);
virtual CWnd* GetActiveMDIChild() const;
virtual int GetActiveMDITab() const;
virtual CWnd* GetMDIChild(int nTab) const;
virtual int GetMDIChildCount() const;
virtual int GetMDIChildID(int nTab) const;
virtual LPCTSTR GetMDIChildTitle(int nTab) const;
virtual HMENU GetListMenu() const { return GetTab().GetListMenu(); }
virtual CTab& GetTab() const {return (CTab&)m_Tab;}
virtual BOOL LoadRegistrySettings(tString tsRegistryKeyName);
virtual void RecalcLayout();
virtual BOOL SaveRegistrySettings(tString tsRegistryKeyName);
virtual void SetActiveMDIChild(CWnd* pWnd);
virtual void SetActiveMDITab(int nTab);
protected:
virtual HWND Create(CWnd* pParent);
virtual CWnd* NewMDIChildFromID(int idMDIChild);
virtual void OnCreate();
virtual void OnDestroy(WPARAM wParam, LPARAM lParam);
virtual LRESULT OnNotify(WPARAM wParam, LPARAM lParam);
virtual void OnWindowPosChanged(WPARAM wParam, LPARAM lParam);
virtual LRESULT WndProcDefault(UINT uMsg, WPARAM wParam, LPARAM lParam);
private:
CTabbedMDI(const CTabbedMDI&); // Disable copy construction
CTabbedMDI& operator = (const CTabbedMDI&); // Disable assignment operator
CTab m_Tab;
};
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
namespace Win32xx
{
/////////////////////////////////////////////////////////////
// Definitions for the CSelectDialog class nested within CTab
//
inline CTab::CSelectDialog::CSelectDialog(LPCDLGTEMPLATE lpTemplate, CWnd* pParent) :
CDialog(lpTemplate, pParent), IDC_LIST(121)
{
}
inline BOOL CTab::CSelectDialog::OnInitDialog()
{
for (UINT u = 0; u < m_vItems.size(); ++u)
{
SendDlgItemMessage(IDC_LIST, LB_ADDSTRING, 0, (LPARAM) m_vItems[u].c_str());
}
return true;
}
inline void CTab::CSelectDialog::AddItem(LPCTSTR szString)
{
m_vItems.push_back(szString);
}
inline void CTab::CSelectDialog::OnOK()
{
int iSelect = (int)SendDlgItemMessage(IDC_LIST, LB_GETCURSEL, 0, 0);
if (iSelect != LB_ERR)
EndDialog(iSelect);
else
EndDialog(-2);
}
//////////////////////////////////////////////////////////
// Definitions for the CTab class
//
inline CTab::CTab() : m_hListMenu(NULL), m_pActiveView(NULL), m_bShowButtons(FALSE), m_IsTracking(FALSE), m_IsClosePressed(FALSE),
m_IsListPressed(FALSE), m_IsListMenuActive(FALSE), m_nTabHeight(0)
{
// Create and assign the image list
m_himlTab = ImageList_Create(16, 16, ILC_MASK|ILC_COLOR32, 0, 0);
// Set the tab control's font
NONCLIENTMETRICS info = {0};
info.cbSize = GetSizeofNonClientMetrics();
SystemParametersInfo(SPI_GETNONCLIENTMETRICS, sizeof(info), &info, 0);
m_Font.CreateFontIndirect(&info.lfStatusFont);
}
inline CTab::~CTab()
{
ImageList_Destroy(m_himlTab);
if (IsMenu(m_hListMenu)) ::DestroyMenu(m_hListMenu);
}
inline int CTab::AddTabPage(WndPtr pView, LPCTSTR szTabText, HICON hIcon, UINT idTab)
{
assert(pView.get());
assert(lstrlen(szTabText) < MAX_MENU_STRING);
m_vTabViews.push_back(pView);
TabPageInfo tpi = {0};
tpi.pView = pView.get();
tpi.idTab = idTab;
lstrcpyn(tpi.szTabText, szTabText, MAX_MENU_STRING);
if (hIcon)
tpi.iImage = ImageList_AddIcon(GetImageList(), hIcon);
else
tpi.iImage = -1;
int iNewPage = (int)m_vTabPageInfo.size();
m_vTabPageInfo.push_back(tpi);
if (m_hWnd)
{
TCITEM tie = {0};
tie.mask = TCIF_TEXT | TCIF_IMAGE;
tie.iImage = tpi.iImage;
tie.pszText = tpi.szTabText;
TabCtrl_InsertItem(m_hWnd, iNewPage, &tie);
SetTabSize();
SelectPage(iNewPage);
NotifyChanged();
}
return iNewPage;
}
inline int CTab::AddTabPage(WndPtr pView, LPCTSTR szTabText, int idIcon, UINT idTab /* = 0*/)
{
HICON hIcon = (HICON)LoadImage(GetApp()->GetResourceHandle(), MAKEINTRESOURCE(idIcon), IMAGE_ICON, 0, 0, LR_SHARED);
return AddTabPage(pView, szTabText, hIcon, idTab);
}
inline int CTab::AddTabPage(WndPtr pView, LPCTSTR szTabText)
{
return AddTabPage(pView, szTabText, (HICON)0, 0);
}
inline void CTab::DrawCloseButton(CDC& DrawDC)
{
// The close button isn't displayed on Win95
if (GetWinVersion() == 1400) return;
if (!m_bShowButtons) return;
if (!GetActiveView()) return;
if (!(GetWindowLongPtr(GWL_STYLE) & TCS_FIXEDWIDTH)) return;
if (!(GetWindowLongPtr(GWL_STYLE) & TCS_OWNERDRAWFIXED)) return;
// Determine the close button's drawing position relative to the window
CRect rcClose = GetCloseRect();
CPoint pt = GetCursorPos();
ScreenToClient(pt);
UINT uState = rcClose.PtInRect(pt)? m_IsClosePressed? 2: 1: 0;
// Draw the outer highlight for the close button
if (!IsRectEmpty(&rcClose))
{
switch (uState)
{
case 0:
{
DrawDC.CreatePen(PS_SOLID, 1, RGB(232, 228, 220));
DrawDC.MoveTo(rcClose.left, rcClose.bottom);
DrawDC.LineTo(rcClose.right, rcClose.bottom);
DrawDC.LineTo(rcClose.right, rcClose.top);
DrawDC.LineTo(rcClose.left, rcClose.top);
DrawDC.LineTo(rcClose.left, rcClose.bottom);
break;
}
case 1:
{
// Draw outline, white at top, black on bottom
DrawDC.CreatePen(PS_SOLID, 1, RGB(0, 0, 0));
DrawDC.MoveTo(rcClose.left, rcClose.bottom);
DrawDC.LineTo(rcClose.right, rcClose.bottom);
DrawDC.LineTo(rcClose.right, rcClose.top);
DrawDC.CreatePen(PS_SOLID, 1, RGB(255, 255, 255));
DrawDC.LineTo(rcClose.left, rcClose.top);
DrawDC.LineTo(rcClose.left, rcClose.bottom);
}
break;
case 2:
{
// Draw outline, black on top, white on bottom
DrawDC.CreatePen(PS_SOLID, 1, RGB(255, 255, 255));
DrawDC.MoveTo(rcClose.left, rcClose.bottom);
DrawDC.LineTo(rcClose.right, rcClose.bottom);
DrawDC.LineTo(rcClose.right, rcClose.top);
DrawDC.CreatePen(PS_SOLID, 1, RGB(0, 0, 0));
DrawDC.LineTo(rcClose.left, rcClose.top);
DrawDC.LineTo(rcClose.left, rcClose.bottom);
}
break;
}
// Manually draw close button
DrawDC.CreatePen(PS_SOLID, 1, RGB(64, 64, 64));
DrawDC.MoveTo(rcClose.left + 3, rcClose.top +3);
DrawDC.LineTo(rcClose.right - 2, rcClose.bottom -2);
DrawDC.MoveTo(rcClose.left + 4, rcClose.top +3);
DrawDC.LineTo(rcClose.right - 2, rcClose.bottom -3);
DrawDC.MoveTo(rcClose.left + 3, rcClose.top +4);
DrawDC.LineTo(rcClose.right - 3, rcClose.bottom -2);
DrawDC.MoveTo(rcClose.right -3, rcClose.top +3);
DrawDC.LineTo(rcClose.left + 2, rcClose.bottom -2);
DrawDC.MoveTo(rcClose.right -3, rcClose.top +4);
DrawDC.LineTo(rcClose.left + 3, rcClose.bottom -2);
DrawDC.MoveTo(rcClose.right -4, rcClose.top +3);
DrawDC.LineTo(rcClose.left + 2, rcClose.bottom -3);
}
}
inline void CTab::DrawListButton(CDC& DrawDC)
{
// The list button isn't displayed on Win95
if (GetWinVersion() == 1400) return;
if (!m_bShowButtons) return;
if (!GetActiveView()) return;
if (!(GetWindowLongPtr(GWL_STYLE) & TCS_FIXEDWIDTH)) return;
if (!(GetWindowLongPtr(GWL_STYLE) & TCS_OWNERDRAWFIXED)) return;
// Determine the list button's drawing position relative to the window
CRect rcList = GetListRect();
CPoint pt = GetCursorPos();
ScreenToClient(pt);
UINT uState = rcList.PtInRect(pt)? 1: 0;
if (m_IsListMenuActive) uState = 2;
// Draw the outer highlight for the list button
if (!IsRectEmpty(&rcList))
{
switch (uState)
{
case 0:
{
DrawDC.CreatePen(PS_SOLID, 1, RGB(232, 228, 220));
DrawDC.MoveTo(rcList.left, rcList.bottom);
DrawDC.LineTo(rcList.right, rcList.bottom);
DrawDC.LineTo(rcList.right, rcList.top);
DrawDC.LineTo(rcList.left, rcList.top);
DrawDC.LineTo(rcList.left, rcList.bottom);
break;
}
case 1:
{
// Draw outline, white at top, black on bottom
DrawDC.CreatePen(PS_SOLID, 1, RGB(0, 0, 0));
DrawDC.MoveTo(rcList.left, rcList.bottom);
DrawDC.LineTo(rcList.right, rcList.bottom);
DrawDC.LineTo(rcList.right, rcList.top);
DrawDC.CreatePen(PS_SOLID, 1, RGB(255, 255, 255));
DrawDC.LineTo(rcList.left, rcList.top);
DrawDC.LineTo(rcList.left, rcList.bottom);
}
break;
case 2:
{
// Draw outline, black on top, white on bottom
DrawDC.CreatePen(PS_SOLID, 1, RGB(255, 255, 255));
DrawDC.MoveTo(rcList.left, rcList.bottom);
DrawDC.LineTo(rcList.right, rcList.bottom);
DrawDC.LineTo(rcList.right, rcList.top);
DrawDC.CreatePen(PS_SOLID, 1, RGB(0, 0, 0));
DrawDC.LineTo(rcList.left, rcList.top);
DrawDC.LineTo(rcList.left, rcList.bottom);
}
break;
}
// Manually draw list button
DrawDC.CreatePen(PS_SOLID, 1, RGB(64, 64, 64));
int MaxLength = (int)(0.65 * rcList.Width());
int topGap = 1 + rcList.Height()/3;
for (int i = 0; i <= MaxLength/2; i++)
{
int Length = MaxLength - 2*i;
DrawDC.MoveTo(rcList.left +1 + (rcList.Width() - Length)/2, rcList.top +topGap +i);
DrawDC.LineTo(rcList.left +1 + (rcList.Width() - Length)/2 + Length, rcList.top +topGap +i);
}
}
}
inline void CTab::DrawTabs(CDC& dcMem)
{
// Draw the tab buttons:
for (int i = 0; i < TabCtrl_GetItemCount(m_hWnd); ++i)
{
CRect rcItem;
TabCtrl_GetItemRect(m_hWnd, i, &rcItem);
if (!rcItem.IsRectEmpty())
{
if (i == TabCtrl_GetCurSel(m_hWnd))
{
dcMem.CreateSolidBrush(RGB(248,248,248));
dcMem.SetBkColor(RGB(248,248,248));
}
else
{
dcMem.CreateSolidBrush(RGB(200,200,200));
dcMem.SetBkColor(RGB(200,200,200));
}
dcMem.CreatePen(PS_SOLID, 1, RGB(160, 160, 160));
dcMem.RoundRect(rcItem.left+1, rcItem.top, rcItem.right+2, rcItem.bottom, 6, 6);
if (rcItem.Width() >= 24)
{
TCHAR szText[30];
TCITEM tcItem = {0};
tcItem.mask = TCIF_TEXT | TCIF_IMAGE;
tcItem.cchTextMax = 30;
tcItem.pszText = szText;
TabCtrl_GetItem(m_hWnd, i, &tcItem);
int xImage;
int yImage;
int yOffset = 0;
if (ImageList_GetIconSize(m_himlTab, &xImage, &yImage))
yOffset = (rcItem.Height() - yImage)/2;
// Draw the icon
ImageList_Draw(m_himlTab, tcItem.iImage, dcMem, rcItem.left+5, rcItem.top+yOffset, ILD_NORMAL);
// Draw the text
dcMem.SelectObject(&m_Font);
// Calculate the size of the text
CRect rcText = rcItem;
int iImageSize = 20;
int iPadding = 4;
if (tcItem.iImage >= 0)
rcText.left += iImageSize;
rcText.left += iPadding;
dcMem.DrawText(szText, -1, rcText, DT_LEFT|DT_VCENTER|DT_SINGLELINE|DT_END_ELLIPSIS);
}
}
}
}
inline void CTab::DrawTabBorders(CDC& dcMem, CRect& rcTab)
{
BOOL IsBottomTab = (BOOL)GetWindowLongPtr(GWL_STYLE) & TCS_BOTTOM;
// Draw a lighter rectangle touching the tab buttons
CRect rcItem;
TabCtrl_GetItemRect(m_hWnd, 0, &rcItem);
int left = rcItem.left +1;
int right = rcTab.right;
int top = rcTab.bottom;
int bottom = top + 3;
if (!IsBottomTab)
{
bottom = MAX(rcTab.top, m_nTabHeight +4);
top = bottom -3;
}
dcMem.CreateSolidBrush(RGB(248,248,248));
dcMem.CreatePen(PS_SOLID, 1, RGB(248,248,248));
if (!rcItem.IsRectEmpty())
{
dcMem.Rectangle(left, top, right, bottom);
// Draw a darker line below the rectangle
dcMem.CreatePen(PS_SOLID, 1, RGB(160, 160, 160));
if (IsBottomTab)
{
dcMem.MoveTo(left-1, bottom);
dcMem.LineTo(right, bottom);
}
else
{
dcMem.MoveTo(left-1, top-1);
dcMem.LineTo(right, top-1);
}
// Draw a lighter line over the darker line for the selected tab
dcMem.CreatePen(PS_SOLID, 1, RGB(248,248,248));
TabCtrl_GetItemRect(m_hWnd, TabCtrl_GetCurSel(m_hWnd), &rcItem);
OffsetRect(&rcItem, 1, 1);
if (IsBottomTab)
{
dcMem.MoveTo(rcItem.left, bottom);
dcMem.LineTo(rcItem.right, bottom);
}
else
{
dcMem.MoveTo(rcItem.left, top-1);
dcMem.LineTo(rcItem.right, top-1);
}
}
}
inline CRect CTab::GetCloseRect() const
{
CRect rcClose;
if (GetShowButtons())
{
rcClose= GetClientRect();
int Gap = 2;
int cx = GetSystemMetrics(SM_CXSMICON) -1;
int cy = GetSystemMetrics(SM_CYSMICON) -1;
rcClose.right -= Gap;
rcClose.left = rcClose.right - cx;
if (GetTabsAtTop())
rcClose.top = Gap;
else
rcClose.top = MAX(Gap, rcClose.bottom - m_nTabHeight);
rcClose.bottom = rcClose.top + cy;
}
return rcClose;
}
inline HMENU CTab::GetListMenu()
{
if (IsMenu(m_hListMenu))
::DestroyMenu(m_hListMenu);
m_hListMenu = CreatePopupMenu();
// Add the menu items
for(UINT u = 0; u < MIN(GetAllTabs().size(), 9); ++u)
{
TCHAR szMenuString[MAX_MENU_STRING+1];
TCHAR szTabText[MAX_MENU_STRING];
lstrcpyn(szTabText, GetAllTabs()[u].szTabText, MAX_MENU_STRING -4);
wsprintf(szMenuString, _T("&%d %s"), u+1, szTabText);
AppendMenu(m_hListMenu, MF_STRING, IDW_FIRSTCHILD +u, szMenuString);
}
if (GetAllTabs().size() >= 10)
AppendMenu(m_hListMenu, MF_STRING, IDW_FIRSTCHILD +9, _T("More Windows"));
// Add a checkmark to the menu
int iSelected = GetCurSel();
if (iSelected < 9)
CheckMenuItem(m_hListMenu, iSelected, MF_BYPOSITION|MF_CHECKED);
return m_hListMenu;
}
inline CRect CTab::GetListRect() const
{
CRect rcList;
if (GetShowButtons())
{
CRect rcClose = GetCloseRect();
rcList = rcClose;
rcList.OffsetRect( -(rcClose.Width() + 2), 0);
rcList.InflateRect(-1, 0);
}
return rcList;
}
inline SIZE CTab::GetMaxTabSize() const
{
CSize Size;
for (int i = 0; i < TabCtrl_GetItemCount(m_hWnd); i++)
{
CClientDC dcClient(this);
dcClient.SelectObject(&m_Font);
std::vector<TCHAR> vTitle(MAX_MENU_STRING, _T('\0'));
TCHAR* pszTitle = &vTitle.front();
TCITEM tcItem = {0};
tcItem.mask = TCIF_TEXT |TCIF_IMAGE;
tcItem.cchTextMax = MAX_MENU_STRING;
tcItem.pszText = pszTitle;
TabCtrl_GetItem(m_hWnd, i, &tcItem);
CSize TempSize = dcClient.GetTextExtentPoint32(pszTitle, lstrlen(pszTitle));
int iImageSize = 0;
int iPadding = 6;
if (tcItem.iImage >= 0)
iImageSize = 20;
TempSize.cx += iImageSize + iPadding;
if (TempSize.cx > Size.cx)
Size = TempSize;
}
return Size;
}
inline BOOL CTab::GetTabsAtTop() const
// Returns TRUE if the contol's tabs are placed at the top
{
DWORD dwStyle = (DWORD)GetWindowLongPtr(GWL_STYLE);
return (!(dwStyle & TCS_BOTTOM));
}
inline int CTab::GetTextHeight() const
{
CClientDC dcClient(this);
dcClient.SelectObject(&m_Font);
CSize szText = dcClient.GetTextExtentPoint32(_T("Text"), lstrlen(_T("Text")));
return szText.cy;
}
inline int CTab::GetTabIndex(CWnd* pWnd) const
{
assert(pWnd);
for (int i = 0; i < (int)m_vTabPageInfo.size(); ++i)
{
if (m_vTabPageInfo[i].pView == pWnd)
return i;
}
return -1;
}
inline TabPageInfo CTab::GetTabPageInfo(UINT nTab) const
{
assert (nTab < m_vTabPageInfo.size());
return m_vTabPageInfo[nTab];
}
inline void CTab::NotifyChanged()
{
NMHDR nmhdr = {0};
nmhdr.hwndFrom = m_hWnd;
nmhdr.code = UWM_TAB_CHANGED;
GetParent()->SendMessage(WM_NOTIFY, 0L, (LPARAM)&nmhdr);
}
inline void CTab::OnCreate()
{
SetFont(&m_Font, TRUE);
// Assign ImageList unless we are owner drawn
if (!(GetWindowLongPtr(GWL_STYLE) & TCS_OWNERDRAWFIXED))
TabCtrl_SetImageList(m_hWnd, m_himlTab);
for (int i = 0; i < (int)m_vTabPageInfo.size(); ++i)
{
// Add tabs for each view.
TCITEM tie = {0};
tie.mask = TCIF_TEXT | TCIF_IMAGE;
tie.iImage = m_vTabPageInfo[i].iImage;
tie.pszText = m_vTabPageInfo[i].szTabText;
TabCtrl_InsertItem(m_hWnd, i, &tie);
}
int HeightGap = 5;
SetTabHeight(MAX(20, (GetTextHeight() + HeightGap)));
SelectPage(0);
}
inline void CTab::OnLButtonDown(WPARAM /*wParam*/, LPARAM lParam)
{
CPoint pt(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
if (GetCloseRect().PtInRect(pt))
{
m_IsClosePressed = TRUE;
SetCapture();
CClientDC dc(this);
DrawCloseButton(dc);
}
else
m_IsClosePressed = FALSE;
if (GetListRect().PtInRect(pt))
{
ShowListMenu();
}
}
inline void CTab::OnLButtonUp(WPARAM /*wParam*/, LPARAM lParam)
{
ReleaseCapture();
CPoint pt(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
if (m_IsClosePressed && GetCloseRect().PtInRect(pt))
{
RemoveTabPage(GetCurSel());
if (GetActiveView())
GetActiveView()->RedrawWindow();
}
m_IsClosePressed = FALSE;
}
inline void CTab::OnMouseLeave(WPARAM /*wParam*/, LPARAM /*lParam*/)
{
CClientDC dc(this);
DrawCloseButton(dc);
DrawListButton(dc);
m_IsTracking = FALSE;
}
inline void CTab::OnMouseMove(WPARAM /*wParam*/, LPARAM /*lParam*/)
{
if (!m_IsListMenuActive && m_IsListPressed)
{
m_IsListPressed = FALSE;
}
if (!m_IsTracking)
{
TRACKMOUSEEVENT TrackMouseEventStruct = {0};
TrackMouseEventStruct.cbSize = sizeof(TrackMouseEventStruct);
TrackMouseEventStruct.dwFlags = TME_LEAVE;
TrackMouseEventStruct.hwndTrack = m_hWnd;
_TrackMouseEvent(&TrackMouseEventStruct);
m_IsTracking = TRUE;
}
CClientDC dc(this);
DrawCloseButton(dc);
DrawListButton(dc);
}
inline LRESULT CTab::OnNCHitTest(WPARAM wParam, LPARAM lParam)
{
// Ensure we have an arrow cursor when the tab has no view window
if (0 == GetAllTabs().size())
SetCursor(LoadCursor(NULL, IDC_ARROW));
// Cause WM_LBUTTONUP and WM_LBUTTONDOWN messages to be sent for buttons
CPoint pt(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
ScreenToClient(pt);
if (GetCloseRect().PtInRect(pt)) return HTCLIENT;
if (GetListRect().PtInRect(pt)) return HTCLIENT;
return CWnd::WndProcDefault(WM_NCHITTEST, wParam, lParam);
}
inline LRESULT CTab::OnNotifyReflect(WPARAM wParam, LPARAM lParam)
{
UNREFERENCED_PARAMETER(wParam);
switch (((LPNMHDR)lParam)->code)
{
case TCN_SELCHANGE:
{
// Display the newly selected tab page
int nPage = GetCurSel();
ShowActiveView(m_vTabPageInfo[nPage].pView);
}
break;
}
return 0L;
}
inline void CTab::Paint()
{
// Microsoft's drawing for a tab control is rubbish, so we do our own.
// We use double buffering and regions to eliminate flicker
// Create the memory DC and bitmap
CClientDC dcView(this);
CMemDC dcMem(&dcView);
CRect rcClient = GetClientRect();
dcMem.CreateCompatibleBitmap(&dcView, rcClient.Width(), rcClient.Height());
if (0 == GetItemCount())
{
// No tabs, so simply display a grey background and exit
COLORREF rgbDialog = GetSysColor(COLOR_BTNFACE);
dcView.SolidFill(rgbDialog, rcClient);
return;
}
// Create a clipping region. Its the overall tab window's region,
// less the region belonging to the individual tab view's client area
CRgn rgnSrc1 = ::CreateRectRgn(rcClient.left, rcClient.top, rcClient.right, rcClient.bottom);
CRect rcTab = GetClientRect();
TabCtrl_AdjustRect(m_hWnd, FALSE, &rcTab);
if (rcTab.Height() < 0)
rcTab.top = rcTab.bottom;
if (rcTab.Width() < 0)
rcTab.left = rcTab.right;
CRgn rgnSrc2 = ::CreateRectRgn(rcTab.left, rcTab.top, rcTab.right, rcTab.bottom);
CRgn rgnClip = ::CreateRectRgn(0, 0, 0, 0);
::CombineRgn(rgnClip, rgnSrc1, rgnSrc2, RGN_DIFF);
// Use the region in the memory DC to paint the grey background
dcMem.SelectClipRgn(&rgnClip);
HWND hWndParent = ::GetParent(m_hWnd);
CDC dcParent = ::GetDC(hWndParent);
HBRUSH hBrush = (HBRUSH) SendMessage(hWndParent, WM_CTLCOLORDLG, (WPARAM)dcParent.GetHDC(), (LPARAM)hWndParent);
dcMem.SelectObject(FromHandle(hBrush));
dcMem.PaintRgn(&rgnClip);
// Draw the tab buttons on the memory DC:
DrawTabs(dcMem);
// Draw buttons and tab borders
DrawCloseButton(dcMem);
DrawListButton(dcMem);
DrawTabBorders(dcMem, rcTab);
// Now copy our from our memory DC to the window DC
dcView.SelectClipRgn(&rgnClip);
dcView.BitBlt(0, 0, rcClient.Width(), rcClient.Height(), &dcMem, 0, 0, SRCCOPY);
}
inline void CTab::PreCreate(CREATESTRUCT &cs)
{
// For Tabs on the bottom, add the TCS_BOTTOM style
cs.style = WS_CHILD | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_VISIBLE;
}
inline void CTab::PreRegisterClass(WNDCLASS &wc)
{
wc.lpszClassName = WC_TABCONTROL;
}
inline void CTab::RecalcLayout()
{
if (IsWindow())
{
if (GetActiveView())
{
// Set the tab sizes
SetTabSize();
// Position the View over the tab control's display area
CRect rc = GetClientRect();
TabCtrl_AdjustRect(m_hWnd, FALSE, &rc);
GetActiveView()->SetWindowPos(NULL, rc, SWP_SHOWWINDOW);
}
else
RedrawWindow();
}
}
inline void CTab::RemoveTabPage(int nPage)
{
if ((nPage < 0) || (nPage > (int)m_vTabPageInfo.size() -1))
return;
// Remove the tab
TabCtrl_DeleteItem(m_hWnd, nPage);
// Remove the TapPageInfo entry
std::vector<TabPageInfo>::iterator itTPI = m_vTabPageInfo.begin() + nPage;
CWnd* pView = (*itTPI).pView;
int iImage = (*itTPI).iImage;
if (iImage >= 0)
TabCtrl_RemoveImage(m_hWnd, iImage);
if (pView == m_pActiveView)
m_pActiveView = 0;
(*itTPI).pView->Destroy();
m_vTabPageInfo.erase(itTPI);
std::vector<WndPtr>::iterator itView;
for (itView = m_vTabViews.begin(); itView < m_vTabViews.end(); ++itView)
{
if ((*itView).get() == pView)
{
m_vTabViews.erase(itView);
break;
}
}
if (IsWindow())
{
if (m_vTabPageInfo.size() > 0)
{
SetTabSize();
SelectPage(0);
}
else
ShowActiveView(NULL);
NotifyChanged();
}
}
inline void CTab::SelectPage(int nPage)
{
if ((nPage >= 0) && (nPage < GetItemCount()))
{
if (nPage != GetCurSel())
SetCurSel(nPage);
ShowActiveView(m_vTabPageInfo[nPage].pView);
}
}
inline void CTab::SetFixedWidth(BOOL bEnabled)
{
DWORD dwStyle = (DWORD)GetWindowLongPtr(GWL_STYLE);
if (bEnabled)
SetWindowLongPtr(GWL_STYLE, dwStyle | TCS_FIXEDWIDTH);
else
SetWindowLongPtr(GWL_STYLE, dwStyle & ~TCS_FIXEDWIDTH);
RecalcLayout();
}
inline void CTab::SetOwnerDraw(BOOL bEnabled)
// Enable or disable owner draw
{
DWORD dwStyle = (DWORD)GetWindowLongPtr(GWL_STYLE);
if (bEnabled)
{
SetWindowLongPtr(GWL_STYLE, dwStyle | TCS_OWNERDRAWFIXED);
TabCtrl_SetImageList(m_hWnd, NULL);
}
else
{
SetWindowLongPtr(GWL_STYLE, dwStyle & ~TCS_OWNERDRAWFIXED);
TabCtrl_SetImageList(m_hWnd, m_himlTab);
}
RecalcLayout();
}
inline void CTab::SetShowButtons(BOOL bShow)
{
m_bShowButtons = bShow;
RecalcLayout();
}
inline void CTab::SetTabIcon(int i, HICON hIcon)
// Changes or sets the tab's icon
{
assert (GetItemCount() > i);
TCITEM tci = {0};
tci.mask = TCIF_IMAGE;
GetItem(i, &tci);
if (tci.iImage >= 0)
{
ImageList_ReplaceIcon(GetImageList(), i, hIcon);
}
else
{
int iImage = ImageList_AddIcon(GetImageList(), hIcon);
tci.iImage = iImage;
TabCtrl_SetItem(m_hWnd, i, &tci);
m_vTabPageInfo[i].iImage = iImage;
}
}
inline void CTab::SetTabsAtTop(BOOL bTop)
// Positions the tabs at the top or botttom of the control
{
DWORD dwStyle = (DWORD)GetWindowLongPtr(GWL_STYLE);
if (bTop)
dwStyle &= ~TCS_BOTTOM;
else
dwStyle |= TCS_BOTTOM;
SetWindowLongPtr(GWL_STYLE, dwStyle);
RecalcLayout();
}
inline void CTab::SetTabSize()
{
if (GetItemCount() > 0)
{
CRect rc = GetClientRect();
TabCtrl_AdjustRect(m_hWnd, FALSE, &rc);
int xGap = 2;
if (m_bShowButtons) xGap += GetCloseRect().Width() + GetListRect().Width() +2;
int nItemWidth = MIN( GetMaxTabSize().cx, (rc.Width() - xGap)/GetItemCount() );
nItemWidth = MAX(nItemWidth, 0);
SendMessage(TCM_SETITEMSIZE, 0L, MAKELPARAM(nItemWidth, m_nTabHeight));
NotifyChanged();
}
}
inline void CTab::SetTabText(UINT nTab, LPCTSTR szText)
{
// Allows the text to be changed on an existing tab
if (nTab < GetAllTabs().size())
{
TCITEM Item = {0};
std::vector<TCHAR> vTChar(MAX_MENU_STRING+1, _T('\0'));
TCHAR* pTChar = &vTChar.front();
lstrcpyn(pTChar, szText, MAX_MENU_STRING);
Item.mask = TCIF_TEXT;
Item.pszText = pTChar;
if (TabCtrl_SetItem(m_hWnd, nTab, &Item))
lstrcpyn(m_vTabPageInfo[nTab].szTabText, pTChar, MAX_MENU_STRING);
}
}
inline void CTab::ShowActiveView(CWnd* pView)
// Sets or changes the View window displayed within the tab page
{
// Hide the old view
if (GetActiveView() && (GetActiveView()->IsWindow()))
GetActiveView()->ShowWindow(SW_HIDE);
// Assign the view window
m_pActiveView = pView;
if (m_pActiveView && m_hWnd)
{
if (!m_pActiveView->IsWindow())
{
// The tab control is already created, so create the new view too
GetActiveView()->Create(this);
}
// Position the View over the tab control's display area
CRect rc = GetClientRect();
TabCtrl_AdjustRect(m_hWnd, FALSE, &rc);
GetActiveView()->SetWindowPos(HWND_TOP, rc, SWP_SHOWWINDOW);
GetActiveView()->SetFocus();
}
}
inline void CTab::ShowListMenu()
// Displays the list of windows in a popup menu
{
if (!m_IsListPressed)
{
m_IsListPressed = TRUE;
HMENU hMenu = GetListMenu();
CPoint pt(GetListRect().left, GetListRect().top + GetTabHeight());
ClientToScreen(pt);
// Choosing the frame's hwnd for the menu's messages will automatically theme the popup menu
HWND MenuHwnd = GetAncestor()->GetHwnd();
int nPage = 0;
m_IsListMenuActive = TRUE;
nPage = TrackPopupMenuEx(hMenu, TPM_LEFTALIGN | TPM_TOPALIGN | TPM_RETURNCMD, pt.x, pt.y, MenuHwnd, NULL) - IDW_FIRSTCHILD;
if ((nPage >= 0) && (nPage < 9)) SelectPage(nPage);
if (nPage == 9) ShowListDialog();
m_IsListMenuActive = FALSE;
}
CClientDC dc(this);
DrawListButton(dc);
}
inline void CTab::ShowListDialog()
{
// Definition of a dialog template which displays a List Box
unsigned char dlg_Template[] =
{
0x01,0x00,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x04,0x00,0xc8,0x00,0xc8,0x90,0x03,
0x00,0x00,0x00,0x00,0x00,0xdc,0x00,0x8e,0x00,0x00,0x00,0x00,0x00,0x53,0x00,0x65,
0x00,0x6c,0x00,0x65,0x00,0x63,0x00,0x74,0x00,0x20,0x00,0x57,0x00,0x69,0x00,0x6e,
0x00,0x64,0x00,0x6f,0x00,0x77,0x00,0x00,0x00,0x08,0x00,0x00,0x00,0x00,0x01,0x4d,
0x00,0x53,0x00,0x20,0x00,0x53,0x00,0x68,0x00,0x65,0x00,0x6c,0x00,0x6c,0x00,0x20,
0x00,0x44,0x00,0x6c,0x00,0x67,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x01,0x00,0x01,0x50,0x40,0x00,0x7a,0x00,0x25,0x00,0x0f,0x00,0x01,
0x00,0x00,0x00,0xff,0xff,0x80,0x00,0x4f,0x00,0x4b,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x50,0x7a,0x00,0x7a,0x00,0x25,
0x00,0x0f,0x00,0x02,0x00,0x00,0x00,0xff,0xff,0x80,0x00,0x43,0x00,0x61,0x00,0x6e,
0x00,0x63,0x00,0x65,0x00,0x6c,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x02,0x00,0x01,0x01,0x21,0x50,0x06,0x00,0x06,0x00,0xcf,0x00,0x6d,0x00,0x79,
0x00,0x00,0x00,0xff,0xff,0x83,0x00,0x00,0x00,0x00,0x00
};
// Display the modal dialog. The dialog is defined in the dialog template rather
// than in the resource script (rc) file.
CSelectDialog MyDialog((LPCDLGTEMPLATE) dlg_Template);
for(UINT u = 0; u < GetAllTabs().size(); ++u)
{
MyDialog.AddItem(GetAllTabs()[u].szTabText);
}
int iSelected = (int)MyDialog.DoModal();
if (iSelected >= 0) SelectPage(iSelected);
}
inline void CTab::SwapTabs(UINT nTab1, UINT nTab2)
{
if ((nTab1 < GetAllTabs().size()) && (nTab2 < GetAllTabs().size()) && (nTab1 != nTab2))
{
int nPage = GetCurSel();
TabPageInfo T1 = GetTabPageInfo(nTab1);
TabPageInfo T2 = GetTabPageInfo(nTab2);
TCITEM Item1 = {0};
Item1.mask = TCIF_IMAGE | TCIF_PARAM | TCIF_RTLREADING | TCIF_STATE | TCIF_TEXT;
GetItem(nTab1, &Item1);
TCITEM Item2 = {0};
Item2.mask = TCIF_IMAGE | TCIF_PARAM | TCIF_RTLREADING | TCIF_STATE | TCIF_TEXT;
GetItem(nTab2, &Item2);
TabCtrl_SetItem(m_hWnd, nTab1, &Item2);
TabCtrl_SetItem(m_hWnd, nTab2, &Item1);
m_vTabPageInfo[nTab1] = T2;
m_vTabPageInfo[nTab2] = T1;
SelectPage(nPage);
}
}
inline LRESULT CTab::WndProcDefault(UINT uMsg, WPARAM wParam, LPARAM lParam)
{
switch(uMsg)
{
case WM_PAINT:
if (GetWindowLongPtr(GWL_STYLE) & TCS_OWNERDRAWFIXED)
{
// Remove all pending paint requests
PAINTSTRUCT ps;
BeginPaint(ps);
EndPaint(ps);
// Now call our local Paint
Paint();
return 0;
}
break;
case WM_ERASEBKGND:
if (GetWindowLongPtr(GWL_STYLE) & TCS_OWNERDRAWFIXED)
return 0;
break;
case WM_KILLFOCUS:
m_IsClosePressed = FALSE;
break;
case WM_LBUTTONDBLCLK:
case WM_LBUTTONDOWN:
OnLButtonDown(wParam, lParam);
break;
case WM_LBUTTONUP:
OnLButtonUp(wParam, lParam);
break;
case WM_MOUSEMOVE:
OnMouseMove(wParam, lParam);
break;
case WM_MOUSELEAVE:
OnMouseLeave(wParam, lParam);
break;
case WM_NCHITTEST:
return OnNCHitTest(wParam, lParam);
case WM_WINDOWPOSCHANGING:
// A little hack to reduce tab flicker
if (IsWindowVisible() && (GetWindowLongPtr(GWL_STYLE) & TCS_OWNERDRAWFIXED))
{
LPWINDOWPOS pWinPos = (LPWINDOWPOS)lParam;
pWinPos->flags |= SWP_NOREDRAW;
Paint();
}
break;
case WM_WINDOWPOSCHANGED:
RecalcLayout();
break;
}
// pass unhandled messages on for default processing
return CWnd::WndProcDefault(uMsg, wParam, lParam);
}
// Wrappers for Win32 Macros
inline void CTab::AdjustRect(BOOL fLarger, RECT *prc) const
{
assert(::IsWindow(m_hWnd));
TabCtrl_AdjustRect(m_hWnd, fLarger, prc);
}
inline int CTab::GetCurFocus() const
{
assert(::IsWindow(m_hWnd));
return TabCtrl_GetCurFocus(m_hWnd);
}
inline int CTab::GetCurSel() const
{
assert(::IsWindow(m_hWnd));
return TabCtrl_GetCurSel(m_hWnd);
}
inline BOOL CTab::GetItem(int iItem, LPTCITEM pitem) const
{
assert(::IsWindow(m_hWnd));
return TabCtrl_GetItem(m_hWnd, iItem, pitem);
}
inline int CTab::GetItemCount() const
{
assert(::IsWindow(m_hWnd));
return TabCtrl_GetItemCount(m_hWnd);
}
inline int CTab::HitTest(TCHITTESTINFO& info) const
{
assert(::IsWindow(m_hWnd));
return TabCtrl_HitTest(m_hWnd, &info);
}
inline void CTab::SetCurFocus(int iItem) const
{
assert(::IsWindow(m_hWnd));
TabCtrl_SetCurFocus(m_hWnd, iItem);
}
inline int CTab::SetCurSel(int iItem) const
{
assert(::IsWindow(m_hWnd));
return TabCtrl_SetCurSel(m_hWnd, iItem);
}
inline DWORD CTab::SetItemSize(int cx, int cy) const
{
assert(::IsWindow(m_hWnd));
return TabCtrl_SetItemSize(m_hWnd, cx, cy);
}
inline int CTab::SetMinTabWidth(int cx) const
{
assert(::IsWindow(m_hWnd));
return TabCtrl_SetMinTabWidth(m_hWnd, cx);
}
inline void CTab::SetPadding(int cx, int cy) const
{
assert(::IsWindow(m_hWnd));
TabCtrl_SetPadding(m_hWnd, cx, cy);
}
////////////////////////////////////////
// Definitions for the CTabbedMDI class
inline CTabbedMDI::CTabbedMDI()
{
GetTab().SetShowButtons(TRUE);
}
inline CTabbedMDI::~CTabbedMDI()
{
}
inline CWnd* CTabbedMDI::AddMDIChild(CWnd* pView, LPCTSTR szTabText, int idMDIChild /*= 0*/)
{
assert(pView);
assert(lstrlen(szTabText) < MAX_MENU_STRING);
GetTab().AddTabPage(WndPtr(pView), szTabText, 0, idMDIChild);
// Fake a WM_MOUSEACTIVATE to propogate focus change to dockers
if (IsWindow())
GetParent()->SendMessage(WM_MOUSEACTIVATE, (WPARAM)GetAncestor(), MAKELPARAM(HTCLIENT,WM_LBUTTONDOWN));
return pView;
}
inline void CTabbedMDI::CloseActiveMDI()
{
int nTab = GetTab().GetCurSel();
if (nTab >= 0)
GetTab().RemoveTabPage(nTab);
RecalcLayout();
}
inline void CTabbedMDI::CloseAllMDIChildren()
{
while (GetMDIChildCount() > 0)
{
GetTab().RemoveTabPage(0);
}
}
inline void CTabbedMDI::CloseMDIChild(int nTab)
{
GetTab().RemoveTabPage(nTab);
if (GetActiveMDIChild())
GetActiveMDIChild()->RedrawWindow();
}
inline HWND CTabbedMDI::Create(CWnd* pParent /* = NULL*/)
{
CLIENTCREATESTRUCT clientcreate ;
clientcreate.hWindowMenu = m_hWnd;
clientcreate.idFirstChild = IDW_FIRSTCHILD ;
DWORD dwStyle = WS_CHILD | WS_VISIBLE | MDIS_ALLCHILDSTYLES;
// Create the MDICLIENT view window
if (!CreateEx(0, _T("MDICLIENT"), _T(""),
dwStyle, 0, 0, 0, 0, pParent, NULL, (PSTR) &clientcreate))
throw CWinException(_T("CMDIClient::Create ... CreateEx failed"));
return m_hWnd;
}
inline CWnd* CTabbedMDI::GetActiveMDIChild() const
{
CWnd* pView = NULL;
int nTab = GetTab().GetCurSel();
if (nTab >= 0)
{
TabPageInfo tbi = GetTab().GetTabPageInfo(nTab);
pView = tbi.pView;
}
return pView;
}
inline int CTabbedMDI::GetActiveMDITab() const
{
return GetTab().GetCurSel();
}
inline CWnd* CTabbedMDI::GetMDIChild(int nTab) const
{
assert(nTab >= 0);
assert(nTab < GetMDIChildCount());
return GetTab().GetTabPageInfo(nTab).pView;
}
inline int CTabbedMDI::GetMDIChildCount() const
{
return (int) GetTab().GetAllTabs().size();
}
inline int CTabbedMDI::GetMDIChildID(int nTab) const
{
assert(nTab >= 0);
assert(nTab < GetMDIChildCount());
return GetTab().GetTabPageInfo(nTab).idTab;
}
inline LPCTSTR CTabbedMDI::GetMDIChildTitle(int nTab) const
{
assert(nTab >= 0);
assert(nTab < GetMDIChildCount());
return GetTab().GetTabPageInfo(nTab).szTabText;
}
inline BOOL CTabbedMDI::LoadRegistrySettings(tString tsRegistryKeyName)
{
BOOL bResult = FALSE;
if (0 != tsRegistryKeyName.size())
{
tString tsKey = _T("Software\\") + tsRegistryKeyName + _T("\\MDI Children");
HKEY hKey = 0;
RegOpenKeyEx(HKEY_CURRENT_USER, tsKey.c_str(), 0, KEY_READ, &hKey);
if (hKey)
{
DWORD dwType = REG_BINARY;
DWORD BufferSize = sizeof(TabPageInfo);
TabPageInfo tbi = {0};
int i = 0;
TCHAR szNumber[16];
tString tsSubKey = _T("MDI Child ");
tsSubKey += _itot(i, szNumber, 10);
// Fill the DockList vector from the registry
while (0 == RegQueryValueEx(hKey, tsSubKey.c_str(), NULL, &dwType, (LPBYTE)&tbi, &BufferSize))
{
CWnd* pWnd = NewMDIChildFromID(tbi.idTab);
if (pWnd)
{
AddMDIChild(pWnd, tbi.szTabText, tbi.idTab);
i++;
tsSubKey = _T("MDI Child ");
tsSubKey += _itot(i, szNumber, 10);
bResult = TRUE;
}
else
{
TRACE(_T("Failed to get TabbedMDI info from registry"));
bResult = FALSE;
break;
}
}
// Load Active MDI Tab from the registry
tsSubKey = _T("Active MDI Tab");
int nTab;
dwType = REG_DWORD;
BufferSize = sizeof(int);
if(ERROR_SUCCESS == RegQueryValueEx(hKey, tsSubKey.c_str(), NULL, &dwType, (LPBYTE)&nTab, &BufferSize))
SetActiveMDITab(nTab);
else
SetActiveMDITab(0);
RegCloseKey(hKey);
}
}
if (!bResult)
CloseAllMDIChildren();
return bResult;
}
inline CWnd* CTabbedMDI::NewMDIChildFromID(int /*idMDIChild*/)
{
// Override this function to create new MDI children from IDs as shown below
CWnd* pView = NULL;
/* switch(idTab)
{
case ID_SIMPLE:
pView = new CViewSimple;
break;
case ID_RECT:
pView = new CViewRect;
break;
default:
TRACE(_T("Unknown MDI child ID\n"));
break;
} */
return pView;
}
inline void CTabbedMDI::OnCreate()
{
GetTab().Create(this);
GetTab().SetFixedWidth(TRUE);
GetTab().SetOwnerDraw(TRUE);
}
inline void CTabbedMDI::OnDestroy(WPARAM /*wParam*/, LPARAM /*lParam*/ )
{
CloseAllMDIChildren();
}
inline LRESULT CTabbedMDI::OnNotify(WPARAM /*wParam*/, LPARAM lParam)
{
LPNMHDR pnmhdr = (LPNMHDR)lParam;
if (pnmhdr->code == UWM_TAB_CHANGED)
RecalcLayout();
return 0L;
}
inline void CTabbedMDI::OnWindowPosChanged(WPARAM /*wParam*/, LPARAM /*lParam*/)
{
RecalcLayout();
}
inline void CTabbedMDI::RecalcLayout()
{
if (GetTab().IsWindow())
{
if (GetTab().GetItemCount() >0)
{
CRect rcClient = GetClientRect();
GetTab().SetWindowPos(NULL, rcClient, SWP_SHOWWINDOW);
GetTab().UpdateWindow();
}
else
{
CRect rcClient = GetClientRect();
GetTab().SetWindowPos(NULL, rcClient, SWP_HIDEWINDOW);
Invalidate();
}
}
}
inline BOOL CTabbedMDI::SaveRegistrySettings(tString tsRegistryKeyName)
{
if (0 != tsRegistryKeyName.size())
{
tString tsKeyName = _T("Software\\") + tsRegistryKeyName;
HKEY hKey = NULL;
HKEY hKeyMDIChild = NULL;
try
{
if (ERROR_SUCCESS != RegCreateKeyEx(HKEY_CURRENT_USER, tsKeyName.c_str(), 0, NULL, REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &hKey, NULL))
throw (CWinException(_T("RegCreateKeyEx Failed")));
RegDeleteKey(hKey, _T("MDI Children"));
if (ERROR_SUCCESS != RegCreateKeyEx(hKey, _T("MDI Children"), 0, NULL, REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &hKeyMDIChild, NULL))
throw (CWinException(_T("RegCreateKeyEx Failed")));
for (int i = 0; i < GetMDIChildCount(); ++i)
{
TCHAR szNumber[16];
tString tsSubKey = _T("MDI Child ");
tsSubKey += _itot(i, szNumber, 10);
TabPageInfo pdi = GetTab().GetTabPageInfo(i);
if (ERROR_SUCCESS != RegSetValueEx(hKeyMDIChild, tsSubKey.c_str(), 0, REG_BINARY, (LPBYTE)&pdi, sizeof(TabPageInfo)))
throw (CWinException(_T("RegSetValueEx Failed")));
}
// Add Active Tab to the registry
tString tsSubKey = _T("Active MDI Tab");
int nTab = GetActiveMDITab();
if(ERROR_SUCCESS != RegSetValueEx(hKeyMDIChild, tsSubKey.c_str(), 0, REG_DWORD, (LPBYTE)&nTab, sizeof(int)))
throw (CWinException(_T("RegSetValueEx failed")));
RegCloseKey(hKeyMDIChild);
RegCloseKey(hKey);
}
catch (const CWinException& e)
{
// Roll back the registry changes by deleting the subkeys
if (hKey)
{
if (hKeyMDIChild)
{
RegDeleteKey(hKeyMDIChild, _T("MDI Children"));
RegCloseKey(hKeyMDIChild);
}
RegDeleteKey(HKEY_CURRENT_USER ,tsKeyName.c_str());
RegCloseKey(hKey);
}
e.what();
return FALSE;
}
}
return TRUE;
}
inline void CTabbedMDI::SetActiveMDIChild(CWnd* pWnd)
{
assert(pWnd);
int nPage = GetTab().GetTabIndex(pWnd);
if (nPage >= 0)
GetTab().SelectPage(nPage);
}
inline void CTabbedMDI::SetActiveMDITab(int iTab)
{
assert(::IsWindow(m_hWnd));
assert(GetTab().IsWindow());
GetTab().SelectPage(iTab);
}
inline LRESULT CTabbedMDI::WndProcDefault(UINT uMsg, WPARAM wParam, LPARAM lParam)
{
switch(uMsg)
{
case WM_DESTROY:
OnDestroy(wParam, lParam);
break;
case WM_WINDOWPOSCHANGED:
OnWindowPosChanged(wParam, lParam);
break;
}
return CWnd::WndProcDefault(uMsg, wParam, lParam);
}
} // namespace Win32xx
#endif // _WIN32XX_TAB_H_
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