153 lines
3.2 KiB
C++
153 lines
3.2 KiB
C++
#pragma once
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template <class TParam>
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class CModifiedComboBoxT :
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public CComboBox
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{
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typedef std::list<TParam *> TParamList;
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public:
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// Constructors
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CModifiedComboBoxT(TParam defaultValue, HWND hWnd = nullptr, bool AllwaysSelected = true) :
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CComboBox(hWnd),
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m_Changed(false),
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m_Reset(false),
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m_defaultValue(defaultValue),
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m_BoldFont(nullptr),
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m_OriginalFont(nullptr),
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m_TextField(nullptr),
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m_AllwaysSelected(AllwaysSelected)
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{
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}
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~CModifiedComboBoxT()
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{
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if (m_BoldFont)
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{
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DeleteObject(m_BoldFont);
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}
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for (TParamList::iterator iter = m_ParamList.begin(); iter != m_ParamList.end(); iter ++)
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{
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TParam * Item = (TParam *)*iter;
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if (Item)
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{
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delete Item;
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}
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}
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}
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int AddItem (LPCTSTR strItem, const TParam & lParam)
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{
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int indx = AddString(strItem);
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TParam * Value = new TParam(lParam);
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SetItemData(indx,(DWORD_PTR)(Value));
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m_ParamList.push_back(Value);
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if ((m_AllwaysSelected && GetCount() == 1) || m_defaultValue == lParam)
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{
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SetCurSel(indx);
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}
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return indx;
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}
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void SetReset ( bool Reset )
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{
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m_Reset = Reset;
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if (m_Reset)
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{
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SetChanged(false);
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}
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}
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void SetChanged (bool Changed)
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{
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m_Changed = Changed;
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if (m_Changed)
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{
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SetReset(false);
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if (m_BoldFont == nullptr)
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{
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m_OriginalFont = (HFONT)SendMessage(WM_GETFONT);
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LOGFONT lfSystemVariableFont;
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GetObject ( m_OriginalFont, sizeof(LOGFONT), &lfSystemVariableFont );
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lfSystemVariableFont.lfWeight = FW_BOLD;
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m_BoldFont = CreateFontIndirect ( &lfSystemVariableFont );
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}
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SendMessage(WM_SETFONT,(WPARAM)m_BoldFont);
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InvalidateRect(nullptr);
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if (m_TextField)
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{
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::SendMessage(m_TextField,WM_SETFONT,(WPARAM)m_BoldFont,0);
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::InvalidateRect(m_TextField, nullptr, true);
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}
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} else {
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if (m_OriginalFont)
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{
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SendMessage(WM_SETFONT,(WPARAM)m_OriginalFont);
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InvalidateRect(nullptr);
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if (m_TextField)
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{
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::SendMessage(m_TextField,WM_SETFONT,(WPARAM)m_OriginalFont,0);
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::InvalidateRect(m_TextField, nullptr, true);
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}
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}
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}
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}
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void SetTextField (HWND hWnd)
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{
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if (m_TextField && m_OriginalFont)
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{
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::SendMessage(m_TextField,WM_SETFONT,(WPARAM)m_OriginalFont,0);
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}
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m_TextField = hWnd;
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if (m_Changed && m_BoldFont)
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{
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::SendMessage(m_TextField,WM_SETFONT,(WPARAM)m_BoldFont,0);
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}
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}
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inline void SetDefault (const TParam & defaultValue)
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{
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m_defaultValue = defaultValue;
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for (int i = 0, n = GetCount(); i < n; i++)
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{
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if (*((TParam *)GetItemData(i)) == m_defaultValue)
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{
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SetCurSel(i);
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break;
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}
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}
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}
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inline bool IsChanged ( void ) const
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{
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return m_Changed;
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}
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inline bool IsReset ( void ) const
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{
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return m_Reset;
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}
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private:
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CModifiedComboBoxT(void); // Disable default constructor
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CModifiedComboBoxT(const CModifiedComboBoxT&); // Disable copy constructor
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CModifiedComboBoxT& operator=(const CModifiedComboBoxT&); // Disable assignment
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bool m_Changed;
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bool m_Reset;
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TParam m_defaultValue;
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HFONT m_BoldFont;
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HFONT m_OriginalFont;
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HWND m_TextField;
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bool m_AllwaysSelected;
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TParamList m_ParamList;
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};
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typedef CModifiedComboBoxT<WPARAM> CModifiedComboBox;
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typedef CModifiedComboBoxT<stdstr> CModifiedComboBoxTxt;
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