#include "wx/dcclient.h"
#include "wx/settings.h"
#include "wx/dialog.h"
+ #include "wx/textctrl.h"
#endif
#include "wx/combo.h"
// 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
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()
m_value = -1;
m_itemHover = -1;
m_clientDataItemsType = wxClientData_None;
+ m_partialCompletionString = wxEmptyString;
}
bool wxVListBoxComboPopup::Create(wxWindow* parent)
Clear();
}
+void wxVListBoxComboPopup::SetFocus()
+{
+ // Suppress SetFocus() warning by simply not calling it. This combo popup
+ // has already been designed with the assumption that SetFocus() may not
+ // do anything useful, so it really doesn't need to be called.
+#ifdef __WXMSW__
+ //
+#else
+ wxVListBox::SetFocus();
+#endif
+}
+
bool wxVListBoxComboPopup::LazyCreate()
{
// NB: There is a bug with wxVListBox that can be avoided by creating
{
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;
}
}
// 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
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);
}
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->SetValueByUser(m_stringValue);
- if ( valStr != m_combo->GetValue() )
- m_combo->SetValue(valStr);
+ m_value = selection;
SendComboBoxEvent(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<itemCount; i++)
+ {
+ wxString item=GetString(i);
+ if (( item.length() >= 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;
// (good for consistency)
return true;
- m_value = value;
-
if ( value >= 0 )
- m_combo->SetValue(m_strings[value]);
+ m_combo->ChangeValue(m_strings[value]);
+
+ // The m_combo->SetValue() call above sets m_value to the index of this
+ // string. But if there are more identical string, the index is of the
+ // first occurence, which may be wrong, so set the index explicitly here,
+ // _after_ the SetValue() call.
+ m_value = value;
SendComboBoxEvent(m_value);
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).
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();
}
const size_t lineMax = GetVisibleEnd();
for ( size_t line = GetVisibleBegin(); line < lineMax; line++ )
{
- y -= OnGetLineHeight(line);
+ y -= OnGetRowHeight(line);
if ( y < 0 )
{
// Only change selection if item is fully visible
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 )
}
m_strings.Insert(item,pos);
+ if ( (int)m_clientDatas.size() >= pos )
+ m_clientDatas.Insert(NULL, pos);
+
m_widths.Insert(-1,pos);
m_widthsDirty = true;
for ( i=0; i<strings.GetCount(); i++ )
{
- if ( item.Cmp(strings.Item(i)) < 0 )
+ if ( item.CmpNoCase(strings.Item(i)) <= 0 )
{
pos = (int)i;
break;
// It should be sufficient to update this variable only here
m_clientDataItemsType = clientDataItemsType;
- m_clientDatas.SetCount(n+1,NULL);
m_clientDatas[n] = clientData;
ItemWidthChanged(n);
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
return m_strings.Index(s, bCase);
}
+bool wxVListBoxComboPopup::FindItem(const wxString& item, wxString* trueItem)
+{
+ int idx = m_strings.Index(item, false);
+ if ( idx == wxNOT_FOUND )
+ return false;
+ if ( trueItem != NULL )
+ *trueItem = m_strings[idx];
+ return true;
+}
+
unsigned int wxVListBoxComboPopup::GetCount() const
{
return m_strings.GetCount();
wxString wxVListBoxComboPopup::GetStringValue() const
{
- if ( m_value >= 0 )
- return m_strings[m_value];
- return wxEmptyString;
+ return m_stringValue;
}
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);
}
{
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.
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);
// Find initial selection
wxString strValue = m_combo->GetValue();
- if ( strValue.length() )
+ if ( !strValue.empty() )
m_value = m_strings.Index(strValue);
}
BEGIN_EVENT_TABLE(wxOwnerDrawnComboBox, wxComboCtrl)
END_EVENT_TABLE()
-
-IMPLEMENT_DYNAMIC_CLASS2(wxOwnerDrawnComboBox, wxComboCtrl, wxControlWithItems)
-
void wxOwnerDrawnComboBox::Init()
{
}
// wxOwnerDrawnComboBox item manipulation methods
// ----------------------------------------------------------------------------
-void wxOwnerDrawnComboBox::Clear()
+void wxOwnerDrawnComboBox::DoClear()
{
EnsurePopupControl();
GetVListBoxComboPopup()->Clear();
+ // NB: This really needs to be SetValue() instead of ChangeValue(),
+ // as wxTextEntry API expects an event to be sent.
SetValue(wxEmptyString);
}
-void wxOwnerDrawnComboBox::Delete(unsigned int n)
+void wxOwnerDrawnComboBox::Clear()
{
- wxCHECK_RET( IsValid(n), _T("invalid index in wxOwnerDrawnComboBox::Delete") );
+ DoClear();
+}
+
+void wxOwnerDrawnComboBox::DoDeleteOneItem(unsigned int n)
+{
+ wxCHECK_RET( IsValid(n), wxT("invalid index in wxOwnerDrawnComboBox::Delete") );
if ( GetSelection() == (int) n )
- SetValue(wxEmptyString);
+ ChangeValue(wxEmptyString);
GetVListBoxComboPopup()->Delete(n);
}
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);
{
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);
}
{
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);
// Refresh text portion in control
if ( m_text )
- m_text->SetValue( str );
+ m_text->ChangeValue( str );
else
m_valueString = str;
return GetVListBoxComboPopup()->GetSelection();
}
-int wxOwnerDrawnComboBox::DoAppend(const wxString& item)
+void wxOwnerDrawnComboBox::GetSelection(long *from, long *to) const
{
- EnsurePopupControl();
- wxASSERT(m_popupInterface);
-
- return GetVListBoxComboPopup()->Append(item);
+ wxComboCtrl::GetSelection(from, to);
}
-int wxOwnerDrawnComboBox::DoInsert(const wxString& item, unsigned int pos)
+int wxOwnerDrawnComboBox::DoInsertItems(const wxArrayStringsAdapter& items,
+ unsigned int pos,
+ void **clientData,
+ wxClientDataType type)
{
EnsurePopupControl();
- wxCHECK_MSG(!(GetWindowStyle() & wxCB_SORT), -1, wxT("can't insert into sorted list"));
- wxCHECK_MSG(IsValidInsert(pos), -1, wxT("invalid index"));
+ const unsigned int count = items.GetCount();
- GetVListBoxComboPopup()->Insert(item,pos);
+ if ( HasFlag(wxCB_SORT) )
+ {
+ int n = pos;
- return pos;
+ for ( unsigned int i = 0; i < count; ++i )
+ {
+ n = GetVListBoxComboPopup()->Append(items[i]);
+ AssignNewItemClientData(n, clientData, i, type);
+ }
+
+ return n;
+ }
+ else
+ {
+ for ( unsigned int i = 0; i < count; ++i, ++pos )
+ {
+ GetVListBoxComboPopup()->Insert(items[i], pos);
+ AssignNewItemClientData(pos, clientData, i, type);
+ }
+
+ 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
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
// ----------------------------------------------------------------------------
{
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
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
projects / wxWidgets.git / blobdiff