X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/aa61d3525370a9b9fa8c797d9b7f89d96994db5f..c65f4634bc616e389f0d99ae71be7d585f3b2c54:/src/common/radiocmn.cpp diff --git a/src/common/radiocmn.cpp b/src/common/radiocmn.cpp index 32adee107a..c8234e282c 100644 --- a/src/common/radiocmn.cpp +++ b/src/common/radiocmn.cpp @@ -30,6 +30,14 @@ #include "wx/radiobox.h" #endif //WX_PRECOMP +#if wxUSE_TOOLTIPS + #include "wx/tooltip.h" +#endif // wxUSE_TOOLTIPS + +#if wxUSE_HELP + #include "wx/cshelp.h" +#endif + // ============================================================================ // implementation // ============================================================================ @@ -56,112 +64,227 @@ void wxRadioBoxBase::SetMajorDim(unsigned int majorDim, long style) int wxRadioBoxBase::GetNextItem(int item, wxDirection dir, long style) const { + const int itemStart = item; + int count = GetCount(), numCols = GetColumnCount(), numRows = GetRowCount(); bool horz = (style & wxRA_SPECIFY_COLS) != 0; - switch ( dir ) + do { - case wxUP: - if ( horz ) - { - item -= numCols; - } - else // vertical layout - { - if ( !item-- ) - item = count - 1; - } - break; - - case wxLEFT: - if ( horz ) - { - if ( !item-- ) - item = count - 1; - } - else // vertical layout - { - item -= numRows; - } - break; - - case wxDOWN: - if ( horz ) - { - item += numCols; - } - else // vertical layout - { - if ( ++item == count ) - item = 0; - } - break; - - case wxRIGHT: - if ( horz ) - { - if ( ++item == count ) - item = 0; - } - else // vertical layout - { - item += numRows; - } - break; - - default: - wxFAIL_MSG( _T("unexpected wxDirection value") ); - return wxNOT_FOUND; + switch ( dir ) + { + case wxUP: + if ( horz ) + { + item -= numCols; + } + else // vertical layout + { + if ( !item-- ) + item = count - 1; + } + break; + + case wxLEFT: + if ( horz ) + { + if ( !item-- ) + item = count - 1; + } + else // vertical layout + { + item -= numRows; + } + break; + + case wxDOWN: + if ( horz ) + { + item += numCols; + } + else // vertical layout + { + if ( ++item == count ) + item = 0; + } + break; + + case wxRIGHT: + if ( horz ) + { + if ( ++item == count ) + item = 0; + } + else // vertical layout + { + item += numRows; + } + break; + + default: + wxFAIL_MSG( _T("unexpected wxDirection value") ); + return wxNOT_FOUND; + } + + // ensure that the item is in range [0..count) + if ( item < 0 ) + { + // first map the item to the one in the same column but in the last + // row + item += count; + + // now there are 2 cases: either it is the first item of the last + // row in which case we need to wrap again and get to the last item + // or we can just go to the previous item + if ( item % (horz ? numCols : numRows) ) + item--; + else + item = count - 1; + } + else if ( item >= count ) + { + // same logic as above + item -= count; + + // ... except that we need to check if this is not the last item, + // not the first one + if ( (item + 1) % (horz ? numCols : numRows) ) + item++; + else + item = 0; + } + + wxASSERT_MSG( item < count && item >= 0, + _T("logic error in wxRadioBox::GetNextItem()") ); } + // we shouldn't select the non-active items, continue looking for a + // visible and shown one unless we came back to the item we started from in + // which case bail out to avoid infinite loop + while ( !(IsItemShown(item) && IsItemEnabled(item)) && item != itemStart ); - // ensure that the item is in range [0..count) - if ( item < 0 ) + return item; +} + +#if wxUSE_TOOLTIPS + +void wxRadioBoxBase::SetItemToolTip(unsigned int item, const wxString& text) +{ + wxASSERT_MSG( item < GetCount(), _T("Invalid item index") ); + + // extend the array to have entries for all our items on first use + if ( !m_itemsTooltips ) + { + m_itemsTooltips = new wxToolTipArray; + m_itemsTooltips->resize(GetCount()); + } + + wxToolTip *tooltip = (*m_itemsTooltips)[item]; + + bool changed = true; + if ( text.empty() ) + { + if ( tooltip ) + { + // delete the tooltip + delete tooltip; + tooltip = NULL; + } + else // nothing to do + { + changed = false; + } + } + else // non empty tooltip text { - // first map the item to the one in the same column but in the last row - item += count; - - // now there are 2 cases: either it is the first item of the last row - // in which case we need to wrap again and get to the last item or we - // can just go to the previous item - if ( item % (horz ? numCols : numRows) ) - item--; - else - item = count - 1; + if ( tooltip ) + { + // just change the existing tooltip text, don't change the tooltip + tooltip->SetTip(text); + changed = false; + } + else // no tooltip yet + { + // create the new one + tooltip = new wxToolTip(text); + } } - else if ( item >= count ) + + if ( changed ) { - // same logic as above - item -= count; - - // ... except that we need to check if this is not the last item, not - // the first one - if ( (item + 1) % (horz ? numCols : numRows) ) - item++; - else - item = 0; + (*m_itemsTooltips)[item] = tooltip; + DoSetItemToolTip(item, tooltip); } +} - wxASSERT_MSG( item < count && item >= 0, - _T("logic error in wxRadioBox::GetNextItem()") ); +void +wxRadioBoxBase::DoSetItemToolTip(unsigned int WXUNUSED(item), + wxToolTip * WXUNUSED(tooltip)) +{ + // per-item tooltips not implemented by default +} - return item; +#endif // wxUSE_TOOLTIPS + +wxRadioBoxBase::~wxRadioBoxBase() +{ +#if wxUSE_TOOLTIPS + if ( m_itemsTooltips ) + { + const size_t n = m_itemsTooltips->size(); + for ( size_t i = 0; i < n; i++ ) + delete (*m_itemsTooltips)[i]; + + delete m_itemsTooltips; + } +#endif // wxUSE_TOOLTIPS } -#if WXWIN_COMPATIBILITY_2_4 +#if wxUSE_HELP -// these functions are deprecated and don't do anything -int wxRadioBoxBase::GetNumberOfRowsOrCols() const +// set helptext for a particular item +void wxRadioBoxBase::SetItemHelpText(unsigned int n, const wxString& helpText) { - return 1; + wxCHECK_RET( n < GetCount(), _T("Invalid item index") ); + + if ( m_itemsHelpTexts.empty() ) + { + // once-only initialization of the array: reserve space for all items + m_itemsHelpTexts.Add(wxEmptyString, GetCount()); + } + + m_itemsHelpTexts[n] = helpText; } -void wxRadioBoxBase::SetNumberOfRowsOrCols(int WXUNUSED(n)) +// retrieve helptext for a particular item +wxString wxRadioBoxBase::GetItemHelpText( unsigned int n ) const { + wxCHECK_MSG( n < GetCount(), wxEmptyString, _T("Invalid item index") ); + + return m_itemsHelpTexts.empty() ? wxString() : m_itemsHelpTexts[n]; +} + +// return help text for the item for which wxEVT_HELP was generated. +wxString wxRadioBoxBase::DoGetHelpTextAtPoint(const wxWindow *derived, + const wxPoint& pt, + wxHelpEvent::Origin origin) const +{ + const int item = origin == wxHelpEvent::Origin_HelpButton + ? GetItemFromPoint(pt) + : GetSelection(); + + if ( item != wxNOT_FOUND ) + { + wxString text = GetItemHelpText(static_cast(item)); + if( !text.empty() ) + return text; + } + + return derived->wxWindowBase::GetHelpTextAtPoint(pt, origin); } -#endif // WXWIN_COMPATIBILITY_2_4 +#endif // wxUSE_HELP #endif // wxUSE_RADIOBOX