// Created: ??/??/98
// RCS-ID: $Id$
// Copyright: (c) AUTHOR
-// Licence: wxWindows licence
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#endif
#include "wx/combobox.h"
+#include "wx/button.h"
#include "wx/menu.h"
#include "wx/mac/uma.h"
IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl)
#endif
-// right now we don't support editable comboboxes
+// composite combobox implementation by Dan "Bud" Keith bud@otsys.com
+
static int nextPopUpMenuId = 1000 ;
MenuHandle NewUniqueMenu()
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.KeyCode() == 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 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 )
+ {
+ m_choice->SetSize(0, 0 , width, -1);
+ }
+ else
+ {
+ wxCoord wText = width - POPUPWIDTH;
+ 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,
+ int n, const wxString choices[],
+ long style,
const wxValidator& validator,
const wxString& name)
{
- m_noStrings = n;
-
- Rect bounds ;
- Str255 title ;
-
- MacPreControlCreate( parent , id , "" , pos , size ,style, validator , name , &bounds , title ) ;
-
- m_macControl = ::NewControl( parent->GetMacRootWindow() , &bounds , title , false , 0 , -12345 , 0,
- kControlPopupButtonProc , (long) this ) ;
-
- m_macPopUpMenuHandle = NewUniqueMenu() ;
- SetControlData( m_macControl , kControlNoPart , kControlPopupButtonMenuHandleTag , sizeof( MenuHandle ) , (char*) &m_macPopUpMenuHandle) ;
- for ( int i = 0 ; i < n ; i++ )
- {
- Str255 label;
- wxMenuItem::MacBuildMenuString( label , NULL , NULL , choices[i] ,false);
- AppendMenu( m_macPopUpMenuHandle , label ) ;
- }
- SetControlMinimum( m_macControl , 0 ) ;
- SetControlMaximum( m_macControl , m_noStrings) ;
- SetControlValue( m_macControl , 1 ) ;
-
- MacPostControlCreate() ;
-
- return TRUE;
+ 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
{
- return GetStringSelection() ;
+ 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)
// 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)
void wxComboBox::Append(const wxString& item)
{
- Str255 label;
- wxMenuItem::MacBuildMenuString( label , NULL , NULL , item ,false);
- AppendMenu( m_macPopUpMenuHandle , label ) ;
- m_noStrings ++;
- SetControlMaximum( m_macControl , m_noStrings) ;
+ // I am not sure what other ports do,
+ // but wxMac chokes on empty entries.
+
+ if (!item.IsEmpty())
+ m_choice->DoAppend( item );
}
void wxComboBox::Delete(int n)
{
- wxASSERT( n < m_noStrings ) ;
- ::DeleteMenuItem( m_macPopUpMenuHandle , n + 1) ;
- m_noStrings --;
- SetControlMaximum( m_macControl , m_noStrings) ;
+ m_choice->Delete( n );
}
void wxComboBox::Clear()
{
- for ( int i = 0 ; i < m_noStrings ; i++ )
- {
- ::DeleteMenuItem( m_macPopUpMenuHandle , 1 ) ;
- }
- m_noStrings = 0;
- SetControlMaximum( m_macControl , m_noStrings) ;
+ m_choice->Clear();
}
int wxComboBox::GetSelection() const
{
- return GetControlValue( m_macControl ) -1 ;
+ return m_choice->GetSelection();
}
void wxComboBox::SetSelection(int n)
{
- SetControlValue( m_macControl , n + 1 ) ;
+ m_choice->SetSelection( n );
+
+ if ( m_text != NULL )
+ {
+ m_text->SetValue( GetString( n ) );
+ }
}
int wxComboBox::FindString(const wxString& s) const
{
- for( int i = 0 ; i < m_noStrings ; i++ )
- {
- if ( GetString( i ) == s )
- return i ;
- }
- return -1;
+ return m_choice->FindString( s );
}
wxString wxComboBox::GetString(int n) const
{
- Str255 p_text ;
- char c_text[255];
- ::GetMenuItemText( m_macPopUpMenuHandle , n+1 , p_text ) ;
-#if TARGET_CARBON
- p2cstrcpy( c_text, p_text ) ;
-#else
- p2cstr( p_text ) ;
- strcpy( c_text, (char *) p_text ) ;
-#endif
- return wxString( c_text );
+ return m_choice->GetString( n );
}
wxString wxComboBox::GetStringSelection() const
return FALSE;
}
-void wxComboBox::MacHandleControlClick( ControlHandle control , SInt16 controlpart )
+void wxComboBox::MacHandleControlClick( WXWidget control , wxInt16 controlpart )
{
wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_SELECTED, m_windowId );
- event.SetInt(GetSelection());
+ event.SetInt(GetSelection());
event.SetEventObject(this);
event.SetString(GetStringSelection());
ProcessCommand(event);
projects / wxWidgets.git / blobdiff