/////////////////////////////////////////////////////////////////////////////
// Name: combobox.cpp
// Purpose: wxComboBox class
-// Author: AUTHOR
+// Author: Stefan Csomor
// Modified by:
-// Created: ??/??/98
+// Created: 1998-01-01
// RCS-ID: $Id$
-// Copyright: (c) AUTHOR
-// Licence: wxWindows licence
+// Copyright: (c) Stefan Csomor
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#endif
#include "wx/combobox.h"
+#include "wx/button.h"
+#include "wx/menu.h"
+#include "wx/mac/uma.h"
#if !USE_SHARED_LIBRARY
IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl)
#endif
+// composite combobox implementation by Dan "Bud" Keith bud@otsys.com
+
+
+static int nextPopUpMenuId = 1000 ;
+MenuHandle NewUniqueMenu()
+{
+ MenuHandle handle = NewMenu( nextPopUpMenuId , "\pMenu" ) ;
+ nextPopUpMenuId++ ;
+ return handle ;
+}
+
+
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
+
+// the margin between the text control and the choice
+static const wxCoord MARGIN = 2;
+static const int POPUPWIDTH = 18;
+static const int POPUPHEIGHT = 23;
+
+
+// ----------------------------------------------------------------------------
+// wxComboBoxText: text control forwards events to combobox
+// ----------------------------------------------------------------------------
+
+class wxComboBoxText : public wxTextCtrl
+{
+public:
+ wxComboBoxText( wxComboBox * cb )
+ : wxTextCtrl( cb , 1 )
+ {
+ m_cb = cb;
+ }
+
+protected:
+ void OnChar( wxKeyEvent& event )
+ {
+ if ( event.GetKeyCode() == WXK_RETURN )
+ {
+ wxString value = GetValue();
+
+ if ( m_cb->GetCount() == 0 )
+ {
+ // make Enter generate "selected" event if there is only one item
+ // in the combobox - without it, it's impossible to select it at
+ // all!
+ wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, m_cb->GetId() );
+ event.SetInt( 0 );
+ event.SetString( value );
+ event.SetEventObject( m_cb );
+ m_cb->GetEventHandler()->ProcessEvent( event );
+ }
+ else
+ {
+ // add the item to the list if it's not there yet
+ if ( m_cb->FindString(value) == wxNOT_FOUND )
+ {
+ m_cb->Append(value);
+ m_cb->SetStringSelection(value);
+
+ // and generate the selected event for it
+ wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, m_cb->GetId() );
+ event.SetInt( m_cb->GetCount() - 1 );
+ event.SetString( value );
+ event.SetEventObject( m_cb );
+ m_cb->GetEventHandler()->ProcessEvent( event );
+ }
+
+ // This will invoke the dialog default action, such
+ // as the clicking the default button.
+
+ wxWindow *parent = GetParent();
+ while( parent && !parent->IsTopLevel() && parent->GetDefaultItem() == NULL ) {
+ parent = parent->GetParent() ;
+ }
+ if ( parent && parent->GetDefaultItem() )
+ {
+ wxButton *def = wxDynamicCast(parent->GetDefaultItem(),
+ wxButton);
+ if ( def && def->IsEnabled() )
+ {
+ wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, def->GetId() );
+ event.SetEventObject(def);
+ def->Command(event);
+ return ;
+ }
+ }
+
+ return;
+ }
+ }
+
+ event.Skip();
+ }
+
+private:
+ wxComboBox *m_cb;
+
+ DECLARE_EVENT_TABLE()
+};
+
+BEGIN_EVENT_TABLE(wxComboBoxText, wxTextCtrl)
+ EVT_CHAR( wxComboBoxText::OnChar)
+END_EVENT_TABLE()
+
+class wxComboBoxChoice : public wxChoice
+{
+public:
+ wxComboBoxChoice(wxComboBox *cb, int style)
+ : wxChoice( cb , 1 )
+ {
+ m_cb = cb;
+ }
+
+protected:
+ void OnChoice( wxCommandEvent& e )
+ {
+ wxString s = e.GetString();
+
+ m_cb->DelegateChoice( s );
+ wxCommandEvent event2(wxEVT_COMMAND_COMBOBOX_SELECTED, m_cb->GetId() );
+ event2.SetInt(m_cb->GetSelection());
+ event2.SetEventObject(m_cb);
+ event2.SetString(m_cb->GetStringSelection());
+ m_cb->ProcessCommand(event2);
+ }
+
+private:
+ wxComboBox *m_cb;
+
+ DECLARE_EVENT_TABLE()
+};
+
+BEGIN_EVENT_TABLE(wxComboBoxChoice, wxChoice)
+ EVT_CHOICE(-1, wxComboBoxChoice::OnChoice)
+END_EVENT_TABLE()
+
+wxComboBox::~wxComboBox()
+{
+ // delete client objects
+ FreeData();
+
+ // delete the controls now, don't leave them alive even though they would
+ // still be eventually deleted by our parent - but it will be too late, the
+ // user code expects them to be gone now
+ if (m_text != NULL) {
+ delete m_text;
+ m_text = NULL;
+ }
+ if (m_choice != NULL) {
+ delete m_choice;
+ m_choice = NULL;
+ }
+}
+
+
+// ----------------------------------------------------------------------------
+// geometry
+// ----------------------------------------------------------------------------
+
+wxSize wxComboBox::DoGetBestSize() const
+{
+ wxSize size = m_choice->GetBestSize();
+
+ if ( m_text != NULL )
+ {
+ wxSize sizeText = m_text->GetBestSize();
+
+ size.x = POPUPWIDTH + sizeText.x + MARGIN;
+ }
+
+ return size;
+}
+
+void wxComboBox::DoMoveWindow(int x, int y, int width, int height) {
+ height = POPUPHEIGHT;
+
+ wxControl::DoMoveWindow(x, y, width, height);
+
+ if ( m_text == NULL )
+ {
+ // we might not be fully constructed yet, therefore watch out...
+ if ( m_choice )
+ m_choice->SetSize(0, 0 , width, -1);
+ }
+ else
+ {
+ wxCoord wText = width - POPUPWIDTH - MARGIN;
+ m_text->SetSize(0, 0, wText, height);
+ m_choice->SetSize(0 + wText + MARGIN, 0, POPUPWIDTH, -1);
+ }
+}
+
+
+
+// ----------------------------------------------------------------------------
+// operations forwarded to the subcontrols
+// ----------------------------------------------------------------------------
+
+bool wxComboBox::Enable(bool enable)
+{
+ if ( !wxControl::Enable(enable) )
+ return FALSE;
+
+ return TRUE;
+}
+
+bool wxComboBox::Show(bool show)
+{
+ if ( !wxControl::Show(show) )
+ return FALSE;
+
+ return TRUE;
+}
+
+void wxComboBox::SetFocus()
+{
+ if ( m_text != NULL) {
+ m_text->SetFocus();
+ }
+}
+
+
+void wxComboBox::DelegateTextChanged( const wxString& value )
+{
+ SetStringSelection( value );
+}
+
+
+void wxComboBox::DelegateChoice( const wxString& value )
+{
+ SetStringSelection( value );
+}
+
+
bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
const wxString& value,
const wxPoint& pos,
const wxSize& size,
- int n, const wxString choices[],
- long style,
+ const wxArrayString& choices,
+ long style,
const wxValidator& validator,
const wxString& name)
{
- SetName(name);
- SetValidator(validator);
- m_noStrings = n;
- m_windowStyle = style;
+ wxCArrayString chs( choices );
- if (parent) parent->AddChild(this);
+ return Create( parent, id, value, pos, size, chs.GetCount(),
+ chs.GetStrings(), style, validator, name );
+}
- if ( id == -1 )
- m_windowId = (int)NewControlId();
- else
- m_windowId = id;
- // TODO: create combobox control
+bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
+ const wxString& value,
+ const wxPoint& pos,
+ const wxSize& size,
+ int n, const wxString choices[],
+ long style,
+ const wxValidator& validator,
+ const wxString& name)
+{
+ if ( !wxControl::Create(parent, id, wxDefaultPosition, wxDefaultSize, style ,
+ wxDefaultValidator, name) )
+ {
+ return FALSE;
+ }
+
+ m_choice = new wxComboBoxChoice(this, style );
+
+ wxSize csize = size;
+ if ( style & wxCB_READONLY )
+ {
+ m_text = NULL;
+ }
+ else
+ {
+ m_text = new wxComboBoxText(this);
+ if ( size.y == -1 ) {
+ csize.y = m_text->GetSize().y ;
+ }
+ }
+
+ DoSetSize(pos.x, pos.y, csize.x, csize.y);
+
+ for ( int i = 0 ; i < n ; i++ )
+ {
+ m_choice->DoAppend( choices[ i ] );
+ }
return TRUE;
}
wxString wxComboBox::GetValue() const
{
- // TODO
- return wxString("");
+ wxString result;
+
+ if ( m_text == NULL )
+ {
+ result = m_choice->GetString( m_choice->GetSelection() );
+ }
+ else
+ {
+ result = m_text->GetValue();
+ }
+
+ return result;
}
void wxComboBox::SetValue(const wxString& value)
{
- // TODO
+ int s = FindString (value);
+ if (s == wxNOT_FOUND && !HasFlag(wxCB_READONLY) )
+ {
+ m_choice->Append(value) ;
+ }
+ SetStringSelection( value ) ;
}
// Clipboard operations
void wxComboBox::Copy()
{
- // TODO
+ if ( m_text != NULL )
+ {
+ m_text->Copy();
+ }
}
void wxComboBox::Cut()
{
- // TODO
+ if ( m_text != NULL )
+ {
+ m_text->Cut();
+ }
}
void wxComboBox::Paste()
{
- // TODO
+ if ( m_text != NULL )
+ {
+ m_text->Paste();
+ }
}
void wxComboBox::SetEditable(bool editable)
{
- // TODO
+ if ( ( m_text == NULL ) && editable )
+ {
+ m_text = new wxComboBoxText( this );
+ }
+ else if ( ( m_text != NULL ) && !editable )
+ {
+ delete m_text;
+ m_text = NULL;
+ }
+
+ int currentX, currentY;
+ GetPosition( ¤tX, ¤tY );
+
+ int currentW, currentH;
+ GetSize( ¤tW, ¤tH );
+
+ DoMoveWindow( currentX, currentY, currentW, currentH );
}
void wxComboBox::SetInsertionPoint(long pos)
// TODO
}
-void wxComboBox::Append(const wxString& item)
+int wxComboBox::DoAppend(const wxString& item)
{
- // TODO
+ return m_choice->DoAppend( item ) ;
+}
+
+int wxComboBox::DoInsert(const wxString& item, int pos)
+{
+ return m_choice->DoInsert( item , pos ) ;
+}
+
+void wxComboBox::DoSetItemClientData(int n, void* clientData)
+{
+ return m_choice->DoSetItemClientData( n , clientData ) ;
+}
+
+void* wxComboBox::DoGetItemClientData(int n) const
+{
+ return m_choice->DoGetItemClientData( n ) ;
+}
+
+void wxComboBox::DoSetItemClientObject(int n, wxClientData* clientData)
+{
+ return m_choice->DoSetItemClientObject( n , clientData ) ;
+}
+
+wxClientData* wxComboBox::DoGetItemClientObject(int n) const
+{
+ return m_choice->DoGetItemClientObject( n ) ;
+}
+
+void wxComboBox::FreeData()
+{
+ if ( HasClientObjectData() )
+ {
+ size_t count = GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ SetClientObject( n, NULL );
+ }
+ }
}
void wxComboBox::Delete(int n)
{
- // TODO
+ // force client object deletion
+ if( HasClientObjectData() )
+ SetClientObject( n, NULL );
+ m_choice->Delete( n );
}
void wxComboBox::Clear()
{
- // TODO
+ FreeData();
+ m_choice->Clear();
}
int wxComboBox::GetSelection() const
{
- // TODO
- return -1;
+ return m_choice->GetSelection();
}
void wxComboBox::SetSelection(int n)
{
- // TODO
+ m_choice->SetSelection( n );
+
+ if ( m_text != NULL )
+ {
+ m_text->SetValue( GetString( n ) );
+ }
}
int wxComboBox::FindString(const wxString& s) const
{
- // TODO
- return -1;
+ return m_choice->FindString( s );
}
wxString wxComboBox::GetString(int n) const
{
- // TODO
- return wxString("");
+ return m_choice->GetString( n );
}
wxString wxComboBox::GetStringSelection() const
{
- // TODO
- return wxString("");
+ int sel = GetSelection ();
+ if (sel > -1)
+ return wxString(this->GetString (sel));
+ else
+ return wxEmptyString;
}
bool wxComboBox::SetStringSelection(const wxString& sel)
{
- // TODO
- return FALSE;
+ int s = FindString (sel);
+ if (s > -1)
+ {
+ SetSelection (s);
+ return TRUE;
+ }
+ else
+ return FALSE;
}
+
+void wxComboBox::SetString(int n, const wxString& s)
+{
+ m_choice->SetString( n , s ) ;
+}
+
+
+void wxComboBox::MacHandleControlClick( WXWidget WXUNUSED(control) , wxInt16 WXUNUSED(controlpart) , bool WXUNUSED(mouseStillDown))
+{
+ wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_SELECTED, m_windowId );
+ event.SetInt(GetSelection());
+ event.SetEventObject(this);
+ event.SetString(GetStringSelection());
+ ProcessCommand(event);
+}
+
projects / wxWidgets.git / blobdiff