X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5769347356c1114f2350d8f23b00406b6ea94fdb..008809c73c629d5edbe959d8cc0d277f95f0649f:/src/generic/odcombo.cpp diff --git a/src/generic/odcombo.cpp b/src/generic/odcombo.cpp index 5aa99fefa8..5176871ddd 100644 --- a/src/generic/odcombo.cpp +++ b/src/generic/odcombo.cpp @@ -33,6 +33,7 @@ #include "wx/dcclient.h" #include "wx/settings.h" #include "wx/dialog.h" + #include "wx/textctrl.h" #endif #include "wx/combo.h" @@ -41,6 +42,8 @@ // 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 @@ -51,6 +54,7 @@ BEGIN_EVENT_TABLE(wxVListBoxComboPopup, wxVListBox) EVT_MOTION(wxVListBoxComboPopup::OnMouseMove) EVT_KEY_DOWN(wxVListBoxComboPopup::OnKey) + EVT_CHAR(wxVListBoxComboPopup::OnChar) EVT_LEFT_UP(wxVListBoxComboPopup::OnLeftClick) END_EVENT_TABLE() @@ -65,6 +69,7 @@ void wxVListBoxComboPopup::Init() m_value = -1; m_itemHover = -1; m_clientDataItemsType = wxClientData_None; + m_partialCompletionString = wxEmptyString; } bool wxVListBoxComboPopup::Create(wxWindow* parent) @@ -104,10 +109,16 @@ 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); + OnDrawItem(dc,rect,m_value,flags); return; } } @@ -120,13 +131,20 @@ void wxVListBoxComboPopup::OnDrawItem(wxDC& dc, const wxRect& rect, size_t n) co // TODO: Maybe this code could be moved to wxVListBox::OnPaint? dc.SetFont(m_useFont); + int flags = 0; + // Set correct text colour for selected items if ( wxVListBox::GetSelection() == (int) n ) + { dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT) ); + flags |= wxODCB_PAINTING_SELECTED; + } else + { dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT) ); + } - OnDrawItem(dc,rect,(int)n,0); + OnDrawItem(dc,rect,(int)n,flags); } wxCoord wxVListBoxComboPopup::OnMeasureItem(size_t n) const @@ -162,6 +180,9 @@ 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); } @@ -183,20 +204,21 @@ void wxVListBoxComboPopup::OnDrawItem( wxDC& dc, const wxRect& rect, int item, i void wxVListBoxComboPopup::DismissWithEvent() { + StopPartialCompletion(); + int selection = wxVListBox::GetSelection(); Dismiss(); - wxString valStr; if ( selection != wxNOT_FOUND ) - valStr = m_strings[selection]; + m_stringValue = m_strings[selection]; else - valStr = wxEmptyString; + m_stringValue = wxEmptyString; - m_value = selection; + if ( m_stringValue != m_combo->GetValue() ) + m_combo->SetValueWithEvent(m_stringValue); - if ( valStr != m_combo->GetValue() ) - m_combo->SetValue(valStr); + m_value = selection; SendComboBoxEvent(selection); } @@ -223,26 +245,95 @@ 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 keychar ) { + const int itemCount = GetCount(); + + // keys do nothing in the empty control and returning immediately avoids + // using invalid indices below + if ( !itemCount ) + return false; + int value = m_value; - int itemCount = GetCount(); + int comboStyle = m_combo->GetWindowStyle(); - if ( keycode == WXK_DOWN || keycode == WXK_RIGHT ) + if ( keychar > 0 ) + { + // we have character equivalent of the keycode; filter out these that + // are not printable characters + if ( !wxIsprint(keychar) ) + keychar = 0; + } + + if ( keycode == WXK_DOWN || keycode == WXK_NUMPAD_DOWN || keycode == WXK_RIGHT ) { value++; + StopPartialCompletion(); } - else if ( keycode == WXK_UP || keycode == WXK_LEFT ) + else if ( keycode == WXK_UP || keycode == WXK_NUMPAD_UP || keycode == WXK_LEFT ) { value--; + StopPartialCompletion(); } - else if ( keycode == WXK_PAGEDOWN ) + else if ( keycode == WXK_PAGEDOWN || keycode == WXK_NUMPAD_PAGEDOWN ) { value+=10; + StopPartialCompletion(); } - else if ( keycode == WXK_PAGEUP ) + else if ( keycode == WXK_PAGEUP || keycode == WXK_NUMPAD_PAGEUP ) { value-=10; + StopPartialCompletion(); + } + else if ( keycode == WXK_HOME || keycode == WXK_NUMPAD_HOME ) + { + value=0; + StopPartialCompletion(); + } + else if ( keycode == WXK_END || keycode == WXK_NUMPAD_END ) + { + value=itemCount-1; + StopPartialCompletion(); + } + else if ( keychar && (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 +368,15 @@ 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 +389,21 @@ void wxVListBoxComboPopup::OnComboDoubleClick() void wxVListBoxComboPopup::OnComboKeyEvent( wxKeyEvent& event ) { // Saturated key movement on - if ( !HandleKey(event.GetKeyCode(),true) ) + if ( !HandleKey(event.GetKeyCode(), true) ) + event.Skip(); +} + +void wxVListBoxComboPopup::OnComboCharEvent( wxKeyEvent& event ) +{ + // unlike in OnComboKeyEvent, wxEVT_CHAR contains meaningful + // printable character information, so pass it +#if wxUSE_UNICODE + const wxChar charcode = event.GetUnicodeKey(); +#else + const wxChar charcode = (wxChar)event.GetKeyCode(); +#endif + + if ( !HandleKey(event.GetKeyCode(), true, charcode) ) event.Skip(); } @@ -301,12 +415,30 @@ void wxVListBoxComboPopup::OnPopup() void wxVListBoxComboPopup::OnMouseMove(wxMouseEvent& event) { + event.Skip(); + // Move selection to cursor if it is inside the popup - int itemHere = GetItemAtPosition(event.GetPosition()); - if ( itemHere >= 0 ) - wxVListBox::SetSelection(itemHere); - event.Skip(); + int y = event.GetPosition().y; + int fromBottom = GetClientSize().y - y; + + // Since in any case we need to find out if the last item is only + // partially visible, we might just as well replicate the HitTest + // loop here. + const size_t lineMax = GetVisibleEnd(); + for ( size_t line = GetVisibleBegin(); line < lineMax; line++ ) + { + y -= OnGetRowHeight(line); + if ( y < 0 ) + { + // Only change selection if item is fully visible + if ( (y + fromBottom) >= 0 ) + { + wxVListBox::SetSelection((int)line); + return; + } + } + } } void wxVListBoxComboPopup::OnLeftClick(wxMouseEvent& WXUNUSED(event)) @@ -316,16 +448,51 @@ 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 + { + // completion is handled in OnChar() below event.Skip(); + } +} + +void wxVListBoxComboPopup::OnChar(wxKeyEvent& event) +{ + if ( m_combo->GetWindowStyle() & wxCB_READONLY ) + { + // Process partial completion key codes here, but not the arrow keys as + // the base class will do that for us +#if wxUSE_UNICODE + const wxChar charcode = event.GetUnicodeKey(); +#else + const wxChar charcode = (wxChar)event.GetKeyCode(); +#endif + if ( wxIsprint(charcode) ) + { + OnComboCharEvent(event); + SetSelection(m_value); // ensure the highlight bar moves + return; // don't skip the event + } + } + + event.Skip(); } void wxVListBoxComboPopup::Insert( const wxString& item, int pos ) @@ -339,6 +506,9 @@ void wxVListBoxComboPopup::Insert( const wxString& item, int pos ) } m_strings.Insert(item,pos); + if ( (int)m_clientDatas.size() >= pos ) + m_clientDatas.Insert(NULL, pos); + m_widths.Insert(-1,pos); m_widthsDirty = true; @@ -359,7 +529,7 @@ int wxVListBoxComboPopup::Append(const wxString& item) for ( i=0; i= 0 ) - return m_strings[m_value]; - return wxEmptyString; + return m_stringValue; } void wxVListBoxComboPopup::SetSelection( int item ) @@ -479,6 +654,11 @@ void wxVListBoxComboPopup::SetSelection( int item ) m_value = item; + if ( item >= 0 ) + m_stringValue = m_strings[item]; + else + m_stringValue = wxEmptyString; + if ( IsCreated() ) wxVListBox::SetSelection(item); } @@ -492,42 +672,17 @@ void wxVListBoxComboPopup::SetStringValue( const wxString& value ) { int index = m_strings.Index(value); - m_value = index; + m_stringValue = value; - if ( index >= -1 && index < (int)wxVListBox::GetItemCount() ) + if ( index >= 0 && index < (int)wxVListBox::GetItemCount() ) + { wxVListBox::SetSelection(index); + m_value = 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. @@ -613,6 +768,45 @@ 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; + + // Take borders into account on Mac or scrollbars always appear +#if defined(__WXMAC__) + totalHeight += 2; +#endif + 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); @@ -658,7 +852,19 @@ BEGIN_EVENT_TABLE(wxOwnerDrawnComboBox, wxComboCtrl) END_EVENT_TABLE() +#if wxUSE_EXTENDED_RTTI +IMPLEMENT_DYNAMIC_CLASS2_XTI(wxOwnerDrawnComboBox, wxComboCtrl, wxControlWithItems, "wx/odcombo.h") + +wxBEGIN_PROPERTIES_TABLE(wxOwnerDrawnComboBox) +wxEND_PROPERTIES_TABLE() + +wxBEGIN_HANDLERS_TABLE(wxOwnerDrawnComboBox) +wxEND_HANDLERS_TABLE() + +wxCONSTRUCTOR_5( wxOwnerDrawnComboBox , wxWindow* , Parent , wxWindowID , Id , wxString , Value , wxPoint , Position , wxSize , Size ) +#else IMPLEMENT_DYNAMIC_CLASS2(wxOwnerDrawnComboBox, wxComboCtrl, wxControlWithItems) +#endif void wxOwnerDrawnComboBox::Init() { @@ -765,7 +971,7 @@ void wxOwnerDrawnComboBox::DoSetPopupControl(wxComboPopup* popup) // wxOwnerDrawnComboBox item manipulation methods // ---------------------------------------------------------------------------- -void wxOwnerDrawnComboBox::Clear() +void wxOwnerDrawnComboBox::DoClear() { EnsurePopupControl(); @@ -774,9 +980,9 @@ void wxOwnerDrawnComboBox::Clear() SetValue(wxEmptyString); } -void wxOwnerDrawnComboBox::Delete(unsigned int n) +void wxOwnerDrawnComboBox::DoDeleteOneItem(unsigned int n) { - wxCHECK_RET( IsValid(n), _T("invalid index in wxOwnerDrawnComboBox::Delete") ); + wxCHECK_RET( IsValid(n), wxT("invalid index in wxOwnerDrawnComboBox::Delete") ); if ( GetSelection() == (int) n ) SetValue(wxEmptyString); @@ -794,7 +1000,7 @@ unsigned int wxOwnerDrawnComboBox::GetCount() const wxString wxOwnerDrawnComboBox::GetString(unsigned int n) const { - wxCHECK_MSG( IsValid(n), wxEmptyString, _T("invalid index in wxOwnerDrawnComboBox::GetString") ); + wxCHECK_MSG( IsValid(n), wxEmptyString, wxT("invalid index in wxOwnerDrawnComboBox::GetString") ); if ( !m_popupInterface ) return m_initChs.Item(n); @@ -806,7 +1012,7 @@ void wxOwnerDrawnComboBox::SetString(unsigned int n, const wxString& s) { EnsurePopupControl(); - wxCHECK_RET( IsValid(n), _T("invalid index in wxOwnerDrawnComboBox::SetString") ); + wxCHECK_RET( IsValid(n), wxT("invalid index in wxOwnerDrawnComboBox::SetString") ); GetVListBoxComboPopup()->SetString(n,s); } @@ -823,7 +1029,7 @@ void wxOwnerDrawnComboBox::Select(int n) { EnsurePopupControl(); - wxCHECK_RET( (n == wxNOT_FOUND) || IsValid(n), _T("invalid index in wxOwnerDrawnComboBox::Select") ); + wxCHECK_RET( (n == wxNOT_FOUND) || IsValid(n), wxT("invalid index in wxOwnerDrawnComboBox::Select") ); GetVListBoxComboPopup()->SetSelection(n); @@ -848,31 +1054,45 @@ int wxOwnerDrawnComboBox::GetSelection() const return GetVListBoxComboPopup()->GetSelection(); } -int wxOwnerDrawnComboBox::DoAppend(const wxString& item) +int wxOwnerDrawnComboBox::DoInsertItems(const wxArrayStringsAdapter& items, + unsigned int pos, + void **clientData, + wxClientDataType type) { EnsurePopupControl(); - wxASSERT(m_popupInterface); - return GetVListBoxComboPopup()->Append(item); -} + const unsigned int count = items.GetCount(); -int wxOwnerDrawnComboBox::DoInsert(const wxString& item, unsigned int pos) -{ - EnsurePopupControl(); + if ( HasFlag(wxCB_SORT) ) + { + int n = pos; - wxCHECK_MSG(!(GetWindowStyle() & wxCB_SORT), -1, wxT("can't insert into sorted list")); - wxCHECK_MSG(IsValidInsert(pos), -1, wxT("invalid index")); + for ( unsigned int i = 0; i < count; ++i ) + { + n = GetVListBoxComboPopup()->Append(items[i]); + AssignNewItemClientData(n, clientData, i, type); + } - GetVListBoxComboPopup()->Insert(item,pos); + return n; + } + else + { + for ( unsigned int i = 0; i < count; ++i, ++pos ) + { + GetVListBoxComboPopup()->Insert(items[i], pos); + AssignNewItemClientData(pos, clientData, i, type); + } - return pos; + return pos - 1; + } } void wxOwnerDrawnComboBox::DoSetItemClientData(unsigned int n, void* clientData) { EnsurePopupControl(); - GetVListBoxComboPopup()->SetItemClientData(n,clientData,m_clientDataItemsType); + GetVListBoxComboPopup()->SetItemClientData(n, clientData, + GetClientDataType()); } void* wxOwnerDrawnComboBox::DoGetItemClientData(unsigned int n) const @@ -883,16 +1103,6 @@ void* wxOwnerDrawnComboBox::DoGetItemClientData(unsigned int n) const return GetVListBoxComboPopup()->GetItemClientData(n); } -void wxOwnerDrawnComboBox::DoSetItemClientObject(unsigned int n, wxClientData* clientData) -{ - DoSetItemClientData(n, (void*) clientData); -} - -wxClientData* wxOwnerDrawnComboBox::DoGetItemClientObject(unsigned int n) const -{ - return (wxClientData*) DoGetItemClientData(n); -} - // ---------------------------------------------------------------------------- // wxOwnerDrawnComboBox item drawing and measuring default implementations // ---------------------------------------------------------------------------- @@ -904,8 +1114,21 @@ void wxOwnerDrawnComboBox::OnDrawItem( wxDC& dc, { if ( flags & wxODCB_PAINTING_CONTROL ) { - dc.DrawText( GetValue(), - rect.x + GetTextIndent(), + wxString text; + + if ( !ShouldUseHintText() ) + { + text = GetValue(); + } + else + { + text = GetHint(); + wxColour col = wxSystemSettings::GetColour(wxSYS_COLOUR_GRAYTEXT); + dc.SetTextForeground(col); + } + + dc.DrawText( text, + rect.x + GetMargins().x, (rect.height-dc.GetCharHeight())/2 + rect.y ); } else @@ -924,17 +1147,25 @@ 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