Duilib list表头增加增加控件
来源：互联网 发布：php主机管理系统 编辑：程序博客网 时间：2024/05/29 13:46
Duilib list 表头增加控件，通过观察发现凡是想把某控件Add到某一控件（父控件）上面，则父控件必须由CContainerUI派生，然后我们观察一下CListHeaderItem的实现，发现对于继承的接口我们即使修改为CContainerUI下面继承的接口完全没有问题，所以我们试着把CListHeaderItemUI 修改为：
class UILIB_API CListHeaderItemUI : public CContainerUI/*CControlUI*/，并且CListHeaderItemUI 内部所有的 Control：：xx 全部修改为 __super::xx 此时我们不妨测试一下，在表头增加checkBox，看看结果：
源码：*.h
class UILIB_API CListHeaderItemUI : <span style="color:#009900;"><strong>public CContainerUI</strong></span>/*CControlUI*/{public: CListHeaderItemUI(); LPCTSTR GetClass() const; LPVOID GetInterface(LPCTSTR pstrName); UINT GetControlFlags() const; void SetEnabled(bool bEnable = true);bool IsDragable() const; void SetDragable(bool bDragable);DWORD GetSepWidth() const; void SetSepWidth(int iWidth);DWORD GetTextStyle() const; void SetTextStyle(UINT uStyle);DWORD GetTextColor() const; void SetTextColor(DWORD dwTextColor);void SetTextPadding(RECT rc);RECT GetTextPadding() const; void SetFont(int index); bool IsShowHtml(); void SetShowHtml(bool bShowHtml = true); LPCTSTR GetNormalImage() const; void SetNormalImage(LPCTSTR pStrImage); LPCTSTR GetHotImage() const; void SetHotImage(LPCTSTR pStrImage); LPCTSTR GetPushedImage() const; void SetPushedImage(LPCTSTR pStrImage); LPCTSTR GetFocusedImage() const; void SetFocusedImage(LPCTSTR pStrImage); LPCTSTR GetSepImage() const; void SetSepImage(LPCTSTR pStrImage); void DoEvent(TEventUI& event); SIZE EstimateSize(SIZE szAvailable); void SetAttribute(LPCTSTR pstrName, LPCTSTR pstrValue); RECT GetThumbRect() const; void PaintText(HDC hDC); void PaintStatusImage(HDC hDC);protected: POINT ptLastMouse; bool m_bDragable; UINT m_uButtonState; int m_iSepWidth; DWORD m_dwTextColor; int m_iFont; UINT m_uTextStyle; bool m_bShowHtml;RECT m_rcTextPadding; CDuiString m_sNormalImage; CDuiString m_sHotImage; CDuiString m_sPushedImage; CDuiString m_sFocusedImage; CDuiString m_sSepImage; CDuiString m_sSepImageModify;};继承返回修改 __super *.cpp
CListHeaderItemUI::CListHeaderItemUI() : m_bDragable(true), m_uButtonState(0), m_iSepWidth(4),m_uTextStyle(DT_VCENTER | DT_CENTER | DT_SINGLELINE), m_dwTextColor(0), m_iFont(-1), m_bShowHtml(false){SetTextPadding(CDuiRect(2, 0, 2, 0)); ptLastMouse.x = ptLastMouse.y = 0; SetMinWidth(16);}LPCTSTR CListHeaderItemUI::GetClass() const{ return _T("ListHeaderItemUI");}LPVOID CListHeaderItemUI::GetInterface(LPCTSTR pstrName){ if( _tcscmp(pstrName, DUI_CTR_LISTHEADERITEM) == 0 ) return this; return <span style="color:#009900;"><strong>__super::GetInterface(pstrName);</strong></span>}UINT CListHeaderItemUI::GetControlFlags() const{ if( IsEnabled() && m_iSepWidth != 0 ) return UIFLAG_SETCURSOR; else return 0;}void CListHeaderItemUI::SetEnabled(bool bEnable){ <span style="color:#009900;"><strong>__super::SetEnabled(bEnable);</strong></span> if( !IsEnabled() ) { m_uButtonState = 0; }}bool CListHeaderItemUI::IsDragable() const{return m_bDragable;}void CListHeaderItemUI::SetDragable(bool bDragable){ m_bDragable = bDragable; if ( !m_bDragable ) m_uButtonState &= ~UISTATE_CAPTURED;}DWORD CListHeaderItemUI::GetSepWidth() const{return m_iSepWidth;}void CListHeaderItemUI::SetSepWidth(int iWidth){ m_iSepWidth = iWidth;}DWORD CListHeaderItemUI::GetTextStyle() const{return m_uTextStyle;}void CListHeaderItemUI::SetTextStyle(UINT uStyle){ m_uTextStyle = uStyle; Invalidate();}DWORD CListHeaderItemUI::GetTextColor() const{return m_dwTextColor;}void CListHeaderItemUI::SetTextColor(DWORD dwTextColor){ m_dwTextColor = dwTextColor;}RECT CListHeaderItemUI::GetTextPadding() const{return m_rcTextPadding;}void CListHeaderItemUI::SetTextPadding(RECT rc){m_rcTextPadding = rc;Invalidate();}void CListHeaderItemUI::SetFont(int index){ m_iFont = index;}bool CListHeaderItemUI::IsShowHtml(){ return m_bShowHtml;}void CListHeaderItemUI::SetShowHtml(bool bShowHtml){ if( m_bShowHtml == bShowHtml ) return; m_bShowHtml = bShowHtml; Invalidate();}LPCTSTR CListHeaderItemUI::GetNormalImage() const{return m_sNormalImage;}void CListHeaderItemUI::SetNormalImage(LPCTSTR pStrImage){ m_sNormalImage = pStrImage; Invalidate();}LPCTSTR CListHeaderItemUI::GetHotImage() const{ return m_sHotImage;}void CListHeaderItemUI::SetHotImage(LPCTSTR pStrImage){ m_sHotImage = pStrImage; Invalidate();}LPCTSTR CListHeaderItemUI::GetPushedImage() const{ return m_sPushedImage;}void CListHeaderItemUI::SetPushedImage(LPCTSTR pStrImage){ m_sPushedImage = pStrImage; Invalidate();}LPCTSTR CListHeaderItemUI::GetFocusedImage() const{ return m_sFocusedImage;}void CListHeaderItemUI::SetFocusedImage(LPCTSTR pStrImage){ m_sFocusedImage = pStrImage; Invalidate();}LPCTSTR CListHeaderItemUI::GetSepImage() const{ return m_sSepImage;}void CListHeaderItemUI::SetSepImage(LPCTSTR pStrImage){ m_sSepImage = pStrImage; Invalidate();}void CListHeaderItemUI::SetAttribute(LPCTSTR pstrName, LPCTSTR pstrValue){ if( _tcscmp(pstrName, _T("dragable")) == 0 ) SetDragable(_tcscmp(pstrValue, _T("true")) == 0); else if( _tcscmp(pstrName, _T("sepwidth")) == 0 ) SetSepWidth(_ttoi(pstrValue)); else if( _tcscmp(pstrName, _T("align")) == 0 ) { if( _tcsstr(pstrValue, _T("left")) != NULL ) { m_uTextStyle &= ~(DT_CENTER | DT_RIGHT); m_uTextStyle |= DT_LEFT; } if( _tcsstr(pstrValue, _T("center")) != NULL ) { m_uTextStyle &= ~(DT_LEFT | DT_RIGHT); m_uTextStyle |= DT_CENTER; } if( _tcsstr(pstrValue, _T("right")) != NULL ) { m_uTextStyle &= ~(DT_LEFT | DT_CENTER); m_uTextStyle |= DT_RIGHT; } } else if( _tcscmp(pstrName, _T("endellipsis")) == 0 ) { if( _tcscmp(pstrValue, _T("true")) == 0 ) m_uTextStyle |= DT_END_ELLIPSIS; else m_uTextStyle &= ~DT_END_ELLIPSIS; } else if( _tcscmp(pstrName, _T("font")) == 0 ) SetFont(_ttoi(pstrValue)); else if( _tcscmp(pstrName, _T("textcolor")) == 0 ) { if( *pstrValue == _T('#')) pstrValue = ::CharNext(pstrValue); LPTSTR pstr = NULL; DWORD clrColor = _tcstoul(pstrValue, &pstr, 16); SetTextColor(clrColor); }else if( _tcscmp(pstrName, _T("textpadding")) == 0 ) {RECT rcTextPadding = { 0 };LPTSTR pstr = NULL;rcTextPadding.left = _tcstol(pstrValue, &pstr, 10); ASSERT(pstr); rcTextPadding.top = _tcstol(pstr + 1, &pstr, 10); ASSERT(pstr); rcTextPadding.right = _tcstol(pstr + 1, &pstr, 10); ASSERT(pstr); rcTextPadding.bottom = _tcstol(pstr + 1, &pstr, 10); ASSERT(pstr); SetTextPadding(rcTextPadding);} else if( _tcscmp(pstrName, _T("showhtml")) == 0 ) SetShowHtml(_tcscmp(pstrValue, _T("true")) == 0); else if( _tcscmp(pstrName, _T("normalimage")) == 0 ) SetNormalImage(pstrValue); else if( _tcscmp(pstrName, _T("hotimage")) == 0 ) SetHotImage(pstrValue); else if( _tcscmp(pstrName, _T("pushedimage")) == 0 ) SetPushedImage(pstrValue); else if( _tcscmp(pstrName, _T("focusedimage")) == 0 ) SetFocusedImage(pstrValue); else if( _tcscmp(pstrName, _T("sepimage")) == 0 ) SetSepImage(pstrValue); else <strong><span style="color:#009900;">__super::SetAttribute(pstrName, pstrValue);</span></strong>}void CListHeaderItemUI::DoEvent(TEventUI& event){ if( !IsMouseEnabled() && event.Type > UIEVENT__MOUSEBEGIN && event.Type < UIEVENT__MOUSEEND ) { if( m_pParent != NULL ) m_pParent->DoEvent(event); else <span style="color:#009900;"><strong>__super::DoEvent(event);</strong></span> return; } if( event.Type == UIEVENT_SETFOCUS ) { Invalidate(); } if( event.Type == UIEVENT_KILLFOCUS ) { Invalidate(); } if( event.Type == UIEVENT_BUTTONDOWN || event.Type == UIEVENT_DBLCLICK ) { if( !IsEnabled() ) return; RECT rcSeparator = GetThumbRect();if (m_iSepWidth>=0)//111024 by cddjr, 增加分隔符区域，方便用户拖动rcSeparator.left-=4;elsercSeparator.right+=4; if( ::PtInRect(&rcSeparator, event.ptMouse) ) { if( m_bDragable ) { m_uButtonState |= UISTATE_CAPTURED; ptLastMouse = event.ptMouse; } } else { m_uButtonState |= UISTATE_PUSHED; m_pManager->SendNotify(this, DUI_MSGTYPE_HEADERCLICK); Invalidate(); } return; } if( event.Type == UIEVENT_BUTTONUP ) { if( (m_uButtonState & UISTATE_CAPTURED) != 0 ) { m_uButtonState &= ~UISTATE_CAPTURED; if( GetParent() ) GetParent()->NeedParentUpdate(); } else if( (m_uButtonState & UISTATE_PUSHED) != 0 ) { m_uButtonState &= ~UISTATE_PUSHED; Invalidate(); } return; } if( event.Type == UIEVENT_MOUSEMOVE ) { if( (m_uButtonState & UISTATE_CAPTURED) != 0 ) { RECT rc = m_rcItem; if( m_iSepWidth >= 0 ) { rc.right -= ptLastMouse.x - event.ptMouse.x; } else { rc.left -= ptLastMouse.x - event.ptMouse.x; } if( rc.right - rc.left > GetMinWidth() ) { m_cxyFixed.cx = rc.right - rc.left; ptLastMouse = event.ptMouse; if( GetParent() ) GetParent()->NeedParentUpdate(); } } return; } if( event.Type == UIEVENT_SETCURSOR ) { RECT rcSeparator = GetThumbRect();if (m_iSepWidth>=0)//111024 by cddjr, 增加分隔符区域，方便用户拖动rcSeparator.left-=4;elsercSeparator.right+=4; if( IsEnabled() && m_bDragable && ::PtInRect(&rcSeparator, event.ptMouse) ) { ::SetCursor(::LoadCursor(NULL, MAKEINTRESOURCE(IDC_SIZEWE))); return; } } if( event.Type == UIEVENT_MOUSEENTER ) { if( IsEnabled() ) { m_uButtonState |= UISTATE_HOT; Invalidate(); } return; } if( event.Type == UIEVENT_MOUSELEAVE ) { if( IsEnabled() ) { m_uButtonState &= ~UISTATE_HOT; Invalidate(); } return; } <span style="color:#009900;"><strong>__super::DoEvent(event);</strong></span>}SIZE CListHeaderItemUI::EstimateSize(SIZE szAvailable){ if( m_cxyFixed.cy == 0 ) return CSize(m_cxyFixed.cx, m_pManager->GetDefaultFontInfo()->tm.tmHeight + 14); return <span style="color:#009900;"><strong>__super::EstimateSize(szAvailable);</strong></span>}RECT CListHeaderItemUI::GetThumbRect() const{ if( m_iSepWidth >= 0 ) return CDuiRect(m_rcItem.right - m_iSepWidth, m_rcItem.top, m_rcItem.right, m_rcItem.bottom); else return CDuiRect(m_rcItem.left, m_rcItem.top, m_rcItem.left - m_iSepWidth, m_rcItem.bottom);}void CListHeaderItemUI::PaintStatusImage(HDC hDC){ if( IsFocused() ) m_uButtonState |= UISTATE_FOCUSED; else m_uButtonState &= ~ UISTATE_FOCUSED; if( (m_uButtonState & UISTATE_PUSHED) != 0 ) { if( m_sPushedImage.IsEmpty() && !m_sNormalImage.IsEmpty() ) DrawImage(hDC, (LPCTSTR)m_sNormalImage); if( !DrawImage(hDC, (LPCTSTR)m_sPushedImage) ) m_sPushedImage.Empty(); } else if( (m_uButtonState & UISTATE_HOT) != 0 ) { if( m_sHotImage.IsEmpty() && !m_sNormalImage.IsEmpty() ) DrawImage(hDC, (LPCTSTR)m_sNormalImage); if( !DrawImage(hDC, (LPCTSTR)m_sHotImage) ) m_sHotImage.Empty(); } else if( (m_uButtonState & UISTATE_FOCUSED) != 0 ) { if( m_sFocusedImage.IsEmpty() && !m_sNormalImage.IsEmpty() ) DrawImage(hDC, (LPCTSTR)m_sNormalImage); if( !DrawImage(hDC, (LPCTSTR)m_sFocusedImage) ) m_sFocusedImage.Empty(); } else { if( !m_sNormalImage.IsEmpty() ) { if( !DrawImage(hDC, (LPCTSTR)m_sNormalImage) ) m_sNormalImage.Empty(); } } if( !m_sSepImage.IsEmpty() ) { RECT rcThumb = GetThumbRect(); rcThumb.left -= m_rcItem.left; rcThumb.top -= m_rcItem.top; rcThumb.right -= m_rcItem.left; rcThumb.bottom -= m_rcItem.top; m_sSepImageModify.Empty(); m_sSepImageModify.SmallFormat(_T("dest='%d,%d,%d,%d'"), rcThumb.left, rcThumb.top, rcThumb.right, rcThumb.bottom); if( !DrawImage(hDC, (LPCTSTR)m_sSepImage, (LPCTSTR)m_sSepImageModify) ) m_sSepImage.Empty(); }}void CListHeaderItemUI::PaintText(HDC hDC){ if( m_dwTextColor == 0 ) m_dwTextColor = m_pManager->GetDefaultFontColor();RECT rcText = m_rcItem;rcText.left += m_rcTextPadding.left;rcText.top += m_rcTextPadding.top;rcText.right -= m_rcTextPadding.right;rcText.bottom -= m_rcTextPadding.bottom; if( m_sText.IsEmpty() ) return; int nLinks = 0; if( m_bShowHtml ) CRenderEngine::DrawHtmlText(hDC, m_pManager, rcText, m_sText, m_dwTextColor, \ NULL, NULL, nLinks, DT_SINGLELINE | m_uTextStyle); else CRenderEngine::DrawText(hDC, m_pManager, rcText, m_sText, m_dwTextColor, \ m_iFont, DT_SINGLELINE | m_uTextStyle);} 0 0
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