X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/276ebe79a6bc76ed5aa5d85f7d4b56f945babd94..c97c99522358ed5791528a38ec2a727d079d2483:/src/generic/odcombo.cpp diff --git a/src/generic/odcombo.cpp b/src/generic/odcombo.cpp index 969d674f1d..575641d93d 100644 --- a/src/generic/odcombo.cpp +++ b/src/generic/odcombo.cpp @@ -41,6 +41,8 @@ // implementation // ============================================================================ +// time in milliseconds before partial completion buffer drops +#define wxODCB_PARTIAL_COMPLETION_TIME 1000 // ---------------------------------------------------------------------------- // wxVListBoxComboPopup is a wxVListBox customized to act as a popup control @@ -65,6 +67,7 @@ void wxVListBoxComboPopup::Init() m_value = -1; m_itemHover = -1; m_clientDataItemsType = wxClientData_None; + m_partialCompletionString = wxEmptyString; } bool wxVListBoxComboPopup::Create(wxWindow* parent) @@ -104,7 +107,13 @@ void wxVListBoxComboPopup::PaintComboControl( wxDC& dc, const wxRect& rect ) { if ( !(m_combo->GetWindowStyle() & wxODCB_STD_CONTROL_PAINT) ) { - OnDrawBg(dc,rect,m_value,wxODCB_PAINTING_CONTROL); + int flags = wxODCB_PAINTING_CONTROL; + + if ( m_combo->ShouldDrawFocus() ) + flags |= wxODCB_PAINTING_SELECTED; + + OnDrawBg(dc, rect, m_value, flags); + if ( m_value >= 0 ) { OnDrawItem(dc,rect,m_value,wxODCB_PAINTING_CONTROL); @@ -162,6 +171,9 @@ void wxVListBoxComboPopup::OnDrawBg( wxDC& dc, wxASSERT_MSG( combo->IsKindOf(CLASSINFO(wxOwnerDrawnComboBox)), wxT("you must subclass wxVListBoxComboPopup for drawing and measuring methods") ); + if ( IsCurrent((size_t)item) && !(flags & wxODCB_PAINTING_CONTROL) ) + flags |= wxODCB_PAINTING_SELECTED; + combo->OnDrawBackground(dc,rect,item,flags); } @@ -183,6 +195,8 @@ void wxVListBoxComboPopup::OnDrawItem( wxDC& dc, const wxRect& rect, int item, i void wxVListBoxComboPopup::DismissWithEvent() { + StopPartialCompletion(); + int selection = wxVListBox::GetSelection(); Dismiss(); @@ -196,7 +210,7 @@ void wxVListBoxComboPopup::DismissWithEvent() m_value = selection; if ( valStr != m_combo->GetValue() ) - m_combo->SetValue(valStr); + m_combo->SetValueWithEvent(valStr); SendComboBoxEvent(selection); } @@ -223,26 +237,82 @@ void wxVListBoxComboPopup::SendComboBoxEvent( int selection ) } // returns true if key was consumed -bool wxVListBoxComboPopup::HandleKey( int keycode, bool saturate ) +bool wxVListBoxComboPopup::HandleKey( int keycode, bool saturate, wxChar unicode ) { int value = m_value; int itemCount = GetCount(); + int comboStyle = m_combo->GetWindowStyle(); + + // this is the character equivalent of the code + wxChar keychar=0; + if ((keycode >= WXK_SPACE) && (keycode <=255) && (keycode != WXK_DELETE) && wxIsprint(keycode)) + { + keychar = (wxChar)keycode; + } + else if (unicode>0) + { + keychar = unicode; + } if ( keycode == WXK_DOWN || keycode == WXK_RIGHT ) { value++; + StopPartialCompletion(); } else if ( keycode == WXK_UP || keycode == WXK_LEFT ) { value--; + StopPartialCompletion(); } else if ( keycode == WXK_PAGEDOWN ) { value+=10; + StopPartialCompletion(); } else if ( keycode == WXK_PAGEUP ) { value-=10; + StopPartialCompletion(); + } + else if ( comboStyle & wxCB_READONLY ) + { + // Try partial completion + + // find the new partial completion string +#if wxUSE_TIMER + if (m_partialCompletionTimer.IsRunning()) + m_partialCompletionString+=wxString(keychar); + else +#endif // wxUSE_TIMER + m_partialCompletionString=wxString(keychar); + + // now search through the values to see if this is found + int found = -1; + unsigned int length=m_partialCompletionString.length(); + int i; + for (i=0; i= length) && (! m_partialCompletionString.CmpNoCase(item.Left(length)))) + { + found=i; + break; + } + } + + if (found<0) + { + StopPartialCompletion(); + ::wxBell(); + return true; // to stop the first value being set + } + else + { + value=i; +#if wxUSE_TIMER + m_partialCompletionTimer.Start(wxODCB_PARTIAL_COMPLETION_TIME, true); +#endif // wxUSE_TIMER + } } else return false; @@ -277,6 +347,15 @@ bool wxVListBoxComboPopup::HandleKey( int keycode, bool saturate ) return true; } +// stop partial completion +void wxVListBoxComboPopup::StopPartialCompletion() +{ + m_partialCompletionString = wxEmptyString; +#if wxUSE_TIMER + m_partialCompletionTimer.Stop(); +#endif // wxUSE_TIMER +} + void wxVListBoxComboPopup::OnComboDoubleClick() { // Cycle on dclick (disable saturation to allow true cycling). @@ -289,7 +368,13 @@ void wxVListBoxComboPopup::OnComboDoubleClick() void wxVListBoxComboPopup::OnComboKeyEvent( wxKeyEvent& event ) { // Saturated key movement on - if ( !HandleKey(event.GetKeyCode(),true) ) + if ( !HandleKey(event.GetKeyCode(),true, +#if wxUSE_UNICODE + event.GetUnicodeKey() +#else + 0 +#endif + ) ) event.Skip(); } @@ -334,16 +419,38 @@ void wxVListBoxComboPopup::OnLeftClick(wxMouseEvent& WXUNUSED(event)) void wxVListBoxComboPopup::OnKey(wxKeyEvent& event) { + // Hide popup if certain key or key combination was pressed + if ( m_combo->IsKeyPopupToggle(event) ) + { + StopPartialCompletion(); + Dismiss(); + } + else if ( event.AltDown() ) + { + // On both wxGTK and wxMSW, pressing Alt down seems to + // completely freeze things in popup (ie. arrow keys and + // enter won't work). + return; + } // Select item if ENTER is pressed - if ( event.GetKeyCode() == WXK_RETURN || event.GetKeyCode() == WXK_NUMPAD_ENTER ) + else if ( event.GetKeyCode() == WXK_RETURN || event.GetKeyCode() == WXK_NUMPAD_ENTER ) { DismissWithEvent(); } - // Hide popup if ESC is pressed - else if ( event.GetKeyCode() == WXK_ESCAPE ) - Dismiss(); else - event.Skip(); + { + int comboStyle = m_combo->GetWindowStyle(); + int keycode = event.GetKeyCode(); + // Process partial completion key codes here, but not the arrow keys as the base class will do that for us + if ((comboStyle & wxCB_READONLY) && + (keycode >= WXK_SPACE) && (keycode <=255) && (keycode != WXK_DELETE) && wxIsprint(keycode)) + { + OnComboKeyEvent(event); + SetSelection(m_value); // ensure the highlight bar moves + } + else + event.Skip(); + } } void wxVListBoxComboPopup::Insert( const wxString& item, int pos ) @@ -458,8 +565,16 @@ void wxVListBoxComboPopup::Delete( unsigned int item ) if ( (int)item == m_widestItem ) m_findWidest = true; + int sel = GetSelection(); + if ( IsCreated() ) wxVListBox::SetItemCount( wxVListBox::GetItemCount()-1 ); + + // Fix selection + if ( (int)item < sel ) + SetSelection(sel-1); + else if ( (int)item == sel ) + SetSelection(wxNOT_FOUND); } int wxVListBoxComboPopup::FindString(const wxString& s, bool bCase) const @@ -516,36 +631,8 @@ void wxVListBoxComboPopup::SetStringValue( const wxString& value ) wxVListBox::SetSelection(index); } -wxSize wxVListBoxComboPopup::GetAdjustedSize( int minWidth, int prefHeight, int maxHeight ) +void wxVListBoxComboPopup::CalcWidths() { - int height = 250; - - if ( m_strings.GetCount() ) - { - if ( prefHeight > 0 ) - height = prefHeight; - - if ( height > maxHeight ) - height = maxHeight; - - int totalHeight = GetTotalHeight(); // + 3; - if ( height >= totalHeight ) - { - height = totalHeight; - } - else - { - // Adjust height to a multiple of the height of the first item - // NB: Calculations that take variable height into account - // are unnecessary. - int fih = GetLineHeight(0); - int shown = height/fih; - height = shown * fih; - } - } - else - height = 50; - bool doFindWidest = m_findWidest; // Measure items with dirty width. @@ -631,6 +718,40 @@ wxSize wxVListBoxComboPopup::GetAdjustedSize( int minWidth, int prefHeight, int m_findWidest = false; } +} + +wxSize wxVListBoxComboPopup::GetAdjustedSize( int minWidth, int prefHeight, int maxHeight ) +{ + int height = 250; + + maxHeight -= 2; // Must take borders into account + + if ( m_strings.GetCount() ) + { + if ( prefHeight > 0 ) + height = prefHeight; + + if ( height > maxHeight ) + height = maxHeight; + + int totalHeight = GetTotalHeight(); // + 3; + if ( height >= totalHeight ) + { + height = totalHeight; + } + else + { + // Adjust height to a multiple of the height of the first item + // NB: Calculations that take variable height into account + // are unnecessary. + int fih = GetLineHeight(0); + height -= height % fih; + } + } + else + height = 50; + + CalcWidths(); // Take scrollbar into account in width calculations int widestWidth = m_widestWidth + wxSystemSettings::GetMetric(wxSYS_VSCROLL_X); @@ -942,17 +1063,25 @@ wxCoord wxOwnerDrawnComboBox::OnMeasureItemWidth( size_t WXUNUSED(item) ) const return -1; } -void wxOwnerDrawnComboBox::OnDrawBackground(wxDC& dc, const wxRect& rect, int item, int flags) const +void wxOwnerDrawnComboBox::OnDrawBackground(wxDC& dc, + const wxRect& rect, + int WXUNUSED(item), + int flags) const { - // we need to render selected and current items differently - if ( GetVListBoxComboPopup()->IsCurrent((size_t)item) ) + // We need only to explicitly draw background for items + // that should have selected background. Also, call PrepareBackground + // always when painting the control so that clipping is done properly. + + if ( (flags & wxODCB_PAINTING_SELECTED) || + ((flags & wxODCB_PAINTING_CONTROL) && HasFlag(wxCB_READONLY)) ) { - DrawFocusBackground(dc, - rect, - (flags&wxODCB_PAINTING_CONTROL?0:wxCONTROL_ISSUBMENU) | - wxCONTROL_SELECTED); + int bgFlags = wxCONTROL_SELECTED; + + if ( !(flags & wxODCB_PAINTING_CONTROL) ) + bgFlags |= wxCONTROL_ISSUBMENU; + + PrepareBackground(dc, rect, bgFlags); } - //else: do nothing for the normal items } #endif // wxUSE_ODCOMBOBOX