src/gtk/listbox.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        listbox.cpp
// Purpose:
// Author:      Robert Roebling
// Id:          $Id$
// Copyright:   (c) 1998 Robert Roebling
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////


#ifdef __GNUG__
#pragma implementation "listbox.h"
#endif

#include "wx/dynarray.h"
#include "wx/listbox.h"
#include "wx/utils.h"
#include "wx/intl.h"
#include "wx/checklst.h"

#include "gdk/gdk.h"
#include "gtk/gtk.h"

//-------------------------------------------------------------------------
// conditional compilation
//-------------------------------------------------------------------------

#if (GTK_MINOR_VERSION == 1)
#if (GTK_MICRO_VERSION >= 5)
#define NEW_GTK_SCROLL_CODE
#endif
#endif

//-----------------------------------------------------------------------------
// data
//-----------------------------------------------------------------------------

extern bool   g_blockEventsOnDrag;
extern bool   g_blockEventsOnScroll;

//-----------------------------------------------------------------------------
// "button_press_event"
//-----------------------------------------------------------------------------

static gint
gtk_listbox_button_press_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxListBox *listbox )
{
    if (g_blockEventsOnDrag) return FALSE;
    if (g_blockEventsOnScroll) return FALSE;

    if (!listbox->HasVMT()) return FALSE;

    int sel = listbox->GetIndex( widget );

    if ((listbox->m_hasCheckBoxes) && (gdk_event->x < 15) && (gdk_event->type != GDK_2BUTTON_PRESS))
    {
        wxCheckListBox *clb = (wxCheckListBox *)listbox;

        clb->Check( sel, !clb->IsChecked(sel) );

        wxCommandEvent event( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, listbox->GetId() );
        event.SetEventObject( listbox );
        event.SetInt( sel );
        listbox->GetEventHandler()->ProcessEvent( event );
    }

    if (gdk_event->type == GDK_2BUTTON_PRESS)
    {
        wxCommandEvent event( wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, listbox->GetId() );
        event.SetEventObject( listbox );
        event.SetInt( sel );
        listbox->GetEventHandler()->ProcessEvent( event );
    }

    return FALSE;
}

//-----------------------------------------------------------------------------
// "key_press_event"
//-----------------------------------------------------------------------------

static gint
gtk_listbox_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxListBox *listbox )
{
    if (g_blockEventsOnDrag) return FALSE;

    if (!listbox->HasVMT()) return FALSE;

    if (gdk_event->keyval != ' ') return FALSE;

    int sel = listbox->GetIndex( widget );

    wxCheckListBox *clb = (wxCheckListBox *)listbox;

    clb->Check( sel, !clb->IsChecked(sel) );

    wxCommandEvent event( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, listbox->GetId() );
    event.SetEventObject( listbox );
    event.SetInt( sel );
    listbox->GetEventHandler()->ProcessEvent( event );

    return FALSE;
}

//-----------------------------------------------------------------------------
// "select" and "deselect"
//-----------------------------------------------------------------------------

static void gtk_listitem_select_callback( GtkWidget *WXUNUSED(widget), wxListBox *listbox )
{
    if (!listbox->HasVMT()) return;
    if (g_blockEventsOnDrag) return;

    wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, listbox->GetId() );

    wxArrayInt aSelections;
    int count = listbox->GetSelections(aSelections);
    if ( count > 0 )
    {
        event.m_commandInt = aSelections[0] ;
        event.m_clientData = listbox->GetClientData( event.m_commandInt );
        wxString str(listbox->GetString(event.m_commandInt));
        if (str != "") event.m_commandString = copystring((char *)(const char *)str);
    }
    else
    {
        event.m_commandInt = -1 ;
        event.m_commandString = copystring("") ;
    }

    event.SetEventObject( listbox );

    listbox->GetEventHandler()->ProcessEvent( event );
    if (event.m_commandString) delete[] event.m_commandString ;
}

//-----------------------------------------------------------------------------
// wxListBox
//-----------------------------------------------------------------------------

IMPLEMENT_DYNAMIC_CLASS(wxListBox,wxControl)

wxListBox::wxListBox()
{
    m_list = (GtkList *) NULL;
    m_hasCheckBoxes = FALSE;
}

bool wxListBox::Create( wxWindow *parent, wxWindowID id,
                        const wxPoint &pos, const wxSize &size,
                        int n, const wxString choices[],
                        long style, const wxValidator& validator, const wxString &name )
{
    m_needParent = TRUE;
    m_acceptsFocus = TRUE;

    PreCreation( parent, id, pos, size, style, name );

    SetValidator( validator );

    m_widget = gtk_scrolled_window_new( (GtkAdjustment*) NULL, (GtkAdjustment*) NULL );
    gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(m_widget),
      GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );

    m_list = GTK_LIST( gtk_list_new() );

    GtkSelectionMode mode = GTK_SELECTION_BROWSE;
    if (style & wxLB_MULTIPLE)
        mode = GTK_SELECTION_MULTIPLE;
    else if (style & wxLB_EXTENDED)
        mode = GTK_SELECTION_EXTENDED;

    gtk_list_set_selection_mode( GTK_LIST(m_list), mode );

#ifdef NEW_GTK_SCROLL_CODE
    gtk_scrolled_window_add_with_viewport( GTK_SCROLLED_WINDOW(m_widget), GTK_WIDGET(m_list) );
#else
    gtk_container_add( GTK_CONTAINER(m_widget), GTK_WIDGET(m_list) );
#endif

#ifdef __WXDEBUG__
    debug_focus_in( m_widget, "wxListBox::m_widget", name );

    debug_focus_in( GTK_WIDGET(m_list), "wxListBox::m_list", name );

    GtkScrolledWindow *s_window = GTK_SCROLLED_WINDOW(m_widget);

    debug_focus_in( s_window->hscrollbar, "wxWindow::hsrcollbar", name );
    debug_focus_in( s_window->vscrollbar, "wxWindow::vsrcollbar", name );

#ifdef NEW_GTK_SCROLL_CODE
    GtkViewport *viewport = GTK_VIEWPORT(s_window->child);
#else
    GtkViewport *viewport = GTK_VIEWPORT(s_window->viewport);
#endif

    debug_focus_in( GTK_WIDGET(viewport), "wxWindow::viewport", name );
#endif

    gtk_widget_show( GTK_WIDGET(m_list) );

    wxSize newSize = size;
    if (newSize.x == -1) newSize.x = 100;
    if (newSize.y == -1) newSize.y = 110;
    SetSize( newSize.x, newSize.y );

    for (int i = 0; i < n; i++)
    {
        m_clientDataList.Append( (wxObject*) NULL );
        m_clientObjectList.Append( (wxObject*) NULL );

        GtkWidget *list_item;

	if (m_hasCheckBoxes)
	{
            wxString str = "[-] ";
	    str += choices[i];
            list_item = gtk_list_item_new_with_label( str );
	}
	else
	{
            list_item = gtk_list_item_new_with_label( choices[i] );
	}

#ifdef __WXDEBUG__
        debug_focus_in( list_item, "wxListBox::list_item", name );
#endif

        gtk_container_add( GTK_CONTAINER(m_list), list_item );

        gtk_signal_connect( GTK_OBJECT(list_item), "select",
          GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );

        if (style & wxLB_MULTIPLE)
            gtk_signal_connect( GTK_OBJECT(list_item), "deselect",
              GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );

	if (m_hasCheckBoxes)
	{
            gtk_signal_connect( GTK_OBJECT(list_item),
	                        "button_press_event",
                                (GtkSignalFunc)gtk_listbox_button_press_callback,
				(gpointer) this );
	}

        gtk_signal_connect( GTK_OBJECT(list_item),
	                    "key_press_event",
                            (GtkSignalFunc)gtk_listbox_key_press_callback,
			    (gpointer)this );

        ConnectWidget( list_item );

        gtk_widget_show( list_item );
    }

    m_parent->AddChild( this );

    (m_parent->m_insertCallback)( m_parent, this );

    PostCreation();

    gtk_widget_realize( GTK_WIDGET(m_list) );

    SetBackgroundColour( parent->GetBackgroundColour() );
    SetForegroundColour( parent->GetForegroundColour() );

    Show( TRUE );

    return TRUE;
}

wxListBox::~wxListBox()
{
    Clear();
}

void wxListBox::AppendCommon( const wxString &item )
{
    wxCHECK_RET( m_list != NULL, "invalid listbox" );

    GtkWidget *list_item;

    if (m_hasCheckBoxes)
    {
        wxString str = "[-] ";
	str += item;
        list_item = gtk_list_item_new_with_label( str );
    }
    else
    {
        list_item = gtk_list_item_new_with_label( item );
    }

    gtk_signal_connect( GTK_OBJECT(list_item), "select",
      GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );

    if (GetWindowStyleFlag() & wxLB_MULTIPLE)
        gtk_signal_connect( GTK_OBJECT(list_item), "deselect",
          GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );

    gtk_container_add( GTK_CONTAINER(m_list), list_item );

    if (m_widgetStyle) ApplyWidgetStyle();

    if (m_hasCheckBoxes)
    {
            gtk_signal_connect( GTK_OBJECT(list_item),
	                        "button_press_event",
                                (GtkSignalFunc)gtk_listbox_button_press_callback,
				(gpointer) this );
    }

    gtk_signal_connect( GTK_OBJECT(list_item),
	                "key_press_event",
                        (GtkSignalFunc)gtk_listbox_key_press_callback,
			(gpointer)this );

    gtk_widget_show( list_item );

    ConnectWidget( list_item );

#ifdef wxUSE_DRAG_AND_DROP
#ifndef NEW_GTK_DND_CODE
    if (m_dropTarget) m_dropTarget->RegisterWidget( list_item );
#endif
#endif
}

void wxListBox::Append( const wxString &item )
{
    m_clientDataList.Append( (wxObject*) NULL );
    m_clientObjectList.Append( (wxObject*) NULL );

    AppendCommon( item );
}

void wxListBox::Append( const wxString &item, void *clientData )
{
    m_clientDataList.Append( (wxObject*) clientData );
    m_clientObjectList.Append( (wxObject*) NULL );

    AppendCommon( item );
}

void wxListBox::Append( const wxString &item, wxClientData *clientData )
{
    m_clientObjectList.Append( (wxObject*) clientData );
    m_clientDataList.Append( (wxObject*) NULL );

    AppendCommon( item );
}

void wxListBox::SetClientData( int n, void* clientData )
{
    wxCHECK_RET( m_widget != NULL, "invalid combobox" );

    wxNode *node = m_clientDataList.Nth( n );
    if (!node) return;

    node->SetData( (wxObject*) clientData );
}

void* wxListBox::GetClientData( int n )
{
    wxCHECK_MSG( m_widget != NULL, NULL, "invalid combobox" );

    wxNode *node = m_clientDataList.Nth( n );
    if (!node) return NULL;

    return node->Data();
}

void wxListBox::SetClientObject( int n, wxClientData* clientData )
{
    wxCHECK_RET( m_widget != NULL, "invalid combobox" );

    wxNode *node = m_clientObjectList.Nth( n );
    if (!node) return;

    wxClientData *cd = (wxClientData*) node->Data();
    if (cd) delete cd;

    node->SetData( (wxObject*) clientData );
}

wxClientData* wxListBox::GetClientObject( int n )
{
    wxCHECK_MSG( m_widget != NULL, (wxClientData*)NULL, "invalid combobox" );

    wxNode *node = m_clientObjectList.Nth( n );
    if (!node) return (wxClientData*) NULL;

    return (wxClientData*) node->Data();
}

void wxListBox::Clear()
{
    wxCHECK_RET( m_list != NULL, "invalid listbox" );

    gtk_list_clear_items( m_list, 0, Number() );

    wxNode *node = m_clientObjectList.First();
    while (node)
    {
        wxClientData *cd = (wxClientData*)node->Data();
        if (cd) delete cd;
        node = node->Next();
    }
    m_clientObjectList.Clear();

    m_clientDataList.Clear();
}

void wxListBox::Delete( int n )
{
    wxCHECK_RET( m_list != NULL, "invalid listbox" );

    GList *child = g_list_nth( m_list->children, n );

    wxCHECK_RET( child, "wrong listbox index" );

    GList *list = g_list_append( NULL, child->data );
    gtk_list_remove_items( m_list, list );
    g_list_free( list );

    wxNode *node = m_clientObjectList.Nth( n );
    if (node)
    {
        wxClientData *cd = (wxClientData*)node->Data();
        if (cd) delete cd;
        m_clientObjectList.DeleteNode( node );
    }

    node = m_clientDataList.Nth( n );
    if (node)
    {
        m_clientDataList.DeleteNode( node );
    }
}

void wxListBox::Deselect( int n )
{
    wxCHECK_RET( m_list != NULL, "invalid listbox" );

    gtk_list_unselect_item( m_list, n );
}

int wxListBox::FindString( const wxString &item ) const
{
    wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );

    GList *child = m_list->children;
    int count = 0;
    while (child)
    {
        GtkBin *bin = GTK_BIN( child->data );
        GtkLabel *label = GTK_LABEL( bin->child );

	wxString str = label->label;
	if (m_hasCheckBoxes) str.Remove( 0, 4 );

        if (str == item) return count;

        count++;
        child = child->next;
    }

  // it's not an error if the string is not found -> no wxCHECK

  return -1;
}

int wxListBox::GetSelection() const
{
    wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );

    GList *child = m_list->children;
    int count = 0;
    while (child)
    {
        if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED) return count;
        count++;
        child = child->next;
    }
    return -1;
}

int wxListBox::GetSelections( wxArrayInt& aSelections ) const
{
    wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );

    // get the number of selected items first
    GList *child = m_list->children;
    int count = 0;
    for (child = m_list->children; child != NULL; child = child->next)
    {
        if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED)
            count++;
    }

    aSelections.Empty();

    if (count > 0)
    {
        // now fill the list
        aSelections.Alloc(count); // optimization attempt
        int i = 0;
        for (child = m_list->children; child != NULL; child = child->next, i++)
        {
            if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED)
                 aSelections.Add(i);
        }
    }

    return count;
}

wxString wxListBox::GetString( int n ) const
{
    wxCHECK_MSG( m_list != NULL, "", "invalid listbox" );

    GList *child = g_list_nth( m_list->children, n );
    if (child)
    {
        GtkBin *bin = GTK_BIN( child->data );
        GtkLabel *label = GTK_LABEL( bin->child );

	wxString str = label->label;
	if (m_hasCheckBoxes) str.Remove( 0, 4 );

        return str;
    }
    wxFAIL_MSG("wrong listbox index");
    return "";
}

wxString wxListBox::GetStringSelection() const
{
    wxCHECK_MSG( m_list != NULL, "", "invalid listbox" );

    GList *selection = m_list->selection;
    if (selection)
    {
        GtkBin *bin = GTK_BIN( selection->data );
        GtkLabel *label = GTK_LABEL( bin->child );

	wxString str = label->label;
	if (m_hasCheckBoxes) str.Remove( 0, 4 );

        return str;
    }

    wxFAIL_MSG("no listbox selection available");
    return "";
}

int wxListBox::Number()
{
    wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );

    GList *child = m_list->children;
    int count = 0;
    while (child) { count++; child = child->next; }
    return count;
}

bool wxListBox::Selected( int n )
{
    wxCHECK_MSG( m_list != NULL, FALSE, "invalid listbox" );

    GList *target = g_list_nth( m_list->children, n );
    if (target)
    {
        GList *child = m_list->selection;
        while (child)
        {
            if (child->data == target->data) return TRUE;
            child = child->next;
        }
    }
    wxFAIL_MSG("wrong listbox index");
    return FALSE;
}

void wxListBox::Set( int WXUNUSED(n), const wxString *WXUNUSED(choices) )
{
    wxFAIL_MSG("wxListBox::Set not implemented");
}

void wxListBox::SetFirstItem( int WXUNUSED(n) )
{
    wxFAIL_MSG("wxListBox::SetFirstItem not implemented");
}

void wxListBox::SetFirstItem( const wxString &WXUNUSED(item) )
{
    wxFAIL_MSG("wxListBox::SetFirstItem not implemented");
}

void wxListBox::SetSelection( int n, bool select )
{
    wxCHECK_RET( m_list != NULL, "invalid listbox" );

    if (select)
        gtk_list_select_item( m_list, n );
    else
        gtk_list_unselect_item( m_list, n );
}

void wxListBox::SetString( int n, const wxString &string )
{
    wxCHECK_RET( m_list != NULL, "invalid listbox" );

    GList *child = g_list_nth( m_list->children, n );
    if (child)
    {
        GtkBin *bin = GTK_BIN( child->data );
        GtkLabel *label = GTK_LABEL( bin->child );

	wxString str;
	if (m_hasCheckBoxes) str += "[-] ";
	str += string;

        gtk_label_set( label, str );
    }
    else
    {
        wxFAIL_MSG("wrong listbox index");
    }
}

void wxListBox::SetStringSelection( const wxString &string, bool select )
{
    wxCHECK_RET( m_list != NULL, "invalid listbox" );

    SetSelection( FindString(string), select );
}

int wxListBox::GetIndex( GtkWidget *item ) const
{
    if (item)
    {
        GList *child = m_list->children;
        int count = 0;
        while (child)
        {
            if (GTK_WIDGET(child->data) == item) return count;
            count++;
            child = child->next;
        }
    }
    return -1;
}

#ifdef wxUSE_DRAG_AND_DROP
void wxListBox::SetDropTarget( wxDropTarget *dropTarget )
{
    wxCHECK_RET( m_list != NULL, "invalid listbox" );

#ifndef NEW_GTK_DND_CODE
    if (m_dropTarget)
    {
        GList *child = m_list->children;
        while (child)
        {
	    m_dropTarget->UnregisterWidget( GTK_WIDGET( child->data ) );
            child = child->next;
        }
    }
#endif

    wxWindow::SetDropTarget( dropTarget );

#ifndef NEW_GTK_DND_CODE
    if (m_dropTarget)
    {
        GList *child = m_list->children;
        while (child)
        {
	    m_dropTarget->RegisterWidget( GTK_WIDGET( child->data ) );
            child = child->next;
        }
    }
#endif
}
#endif

GtkWidget *wxListBox::GetConnectWidget()
{
    return GTK_WIDGET(m_list);
}

bool wxListBox::IsOwnGtkWindow( GdkWindow *window )
{
    if (wxWindow::IsOwnGtkWindow( window )) return TRUE;

    GList *child = m_list->children;
    while (child)
    {
        GtkWidget *bin = GTK_WIDGET( child->data );
        if (bin->window == window) return TRUE;
        child = child->next;
    }

    return FALSE;
}

void wxListBox::ApplyWidgetStyle()
{
    SetWidgetStyle();

    if (m_backgroundColour.Ok())
    {
        GdkWindow *window = GTK_WIDGET(m_list)->window;
        m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) );
        gdk_window_set_background( window, m_backgroundColour.GetColor() );
        gdk_window_clear( window );
    }

    GList *child = m_list->children;
    while (child)
    {
        gtk_widget_set_style( GTK_WIDGET(child->data), m_widgetStyle );

        GtkBin *bin = GTK_BIN( child->data );
        GtkWidget *label = GTK_WIDGET( bin->child );
        gtk_widget_set_style( label, m_widgetStyle );

        child = child->next;
    }
}
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: listbox.cpp
	3	// Purpose:
	4	// Author: Robert Roebling
	5	// Id: $Id$
	6	// Copyright: (c) 1998 Robert Roebling
	7	// Licence: wxWindows licence
	8	/////////////////////////////////////////////////////////////////////////////
	9
	10
	11	#ifdef __GNUG__
	12	#pragma implementation "listbox.h"
	13	#endif
	14
	15	#include "wx/dynarray.h"
	16	#include "wx/listbox.h"
	17	#include "wx/utils.h"
	18	#include "wx/intl.h"
	19	#include "wx/checklst.h"
	20
	21	#include "gdk/gdk.h"
	22	#include "gtk/gtk.h"
	23
	24	//-------------------------------------------------------------------------
	25	// conditional compilation
	26	//-------------------------------------------------------------------------
	27
	28	#if (GTK_MINOR_VERSION == 1)
	29	#if (GTK_MICRO_VERSION >= 5)
	30	#define NEW_GTK_SCROLL_CODE
	31	#endif
	32	#endif
	33
	34	//-----------------------------------------------------------------------------
	35	// data
	36	//-----------------------------------------------------------------------------
	37
	38	extern bool g_blockEventsOnDrag;
	39	extern bool g_blockEventsOnScroll;
	40
	41	//-----------------------------------------------------------------------------
	42	// "button_press_event"
	43	//-----------------------------------------------------------------------------
	44
	45	static gint
	46	gtk_listbox_button_press_callback( GtkWidget widget, GdkEventButton gdk_event, wxListBox *listbox )
	47	{
	48	if (g_blockEventsOnDrag) return FALSE;
	49	if (g_blockEventsOnScroll) return FALSE;
	50
	51	if (!listbox->HasVMT()) return FALSE;
	52
	53	int sel = listbox->GetIndex( widget );
	54
	55	if ((listbox->m_hasCheckBoxes) && (gdk_event->x < 15) && (gdk_event->type != GDK_2BUTTON_PRESS))
	56	{
	57	wxCheckListBox clb = (wxCheckListBox )listbox;
	58
	59	clb->Check( sel, !clb->IsChecked(sel) );
	60
	61	wxCommandEvent event( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, listbox->GetId() );
	62	event.SetEventObject( listbox );
	63	event.SetInt( sel );
	64	listbox->GetEventHandler()->ProcessEvent( event );
	65	}
	66
	67	if (gdk_event->type == GDK_2BUTTON_PRESS)
	68	{
	69	wxCommandEvent event( wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, listbox->GetId() );
	70	event.SetEventObject( listbox );
	71	event.SetInt( sel );
	72	listbox->GetEventHandler()->ProcessEvent( event );
	73	}
	74
	75	return FALSE;
	76	}
	77
	78	//-----------------------------------------------------------------------------
	79	// "key_press_event"
	80	//-----------------------------------------------------------------------------
	81
	82	static gint
	83	gtk_listbox_key_press_callback( GtkWidget widget, GdkEventKey gdk_event, wxListBox *listbox )
	84	{
	85	if (g_blockEventsOnDrag) return FALSE;
	86
	87	if (!listbox->HasVMT()) return FALSE;
	88
	89	if (gdk_event->keyval != ' ') return FALSE;
	90
	91	int sel = listbox->GetIndex( widget );
	92
	93	wxCheckListBox clb = (wxCheckListBox )listbox;
	94
	95	clb->Check( sel, !clb->IsChecked(sel) );
	96
	97	wxCommandEvent event( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, listbox->GetId() );
	98	event.SetEventObject( listbox );
	99	event.SetInt( sel );
	100	listbox->GetEventHandler()->ProcessEvent( event );
	101
	102	return FALSE;
	103	}
	104
	105	//-----------------------------------------------------------------------------
	106	// "select" and "deselect"
	107	//-----------------------------------------------------------------------------
	108
	109	static void gtk_listitem_select_callback( GtkWidget WXUNUSED(widget), wxListBox listbox )
	110	{
	111	if (!listbox->HasVMT()) return;
	112	if (g_blockEventsOnDrag) return;
	113
	114	wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, listbox->GetId() );
	115
	116	wxArrayInt aSelections;
	117	int count = listbox->GetSelections(aSelections);
	118	if ( count > 0 )
	119	{
	120	event.m_commandInt = aSelections[0] ;
	121	event.m_clientData = listbox->GetClientData( event.m_commandInt );
	122	wxString str(listbox->GetString(event.m_commandInt));
	123	if (str != "") event.m_commandString = copystring((char )(const char )str);
	124	}
	125	else
	126	{
	127	event.m_commandInt = -1 ;
	128	event.m_commandString = copystring("") ;
	129	}
	130
	131	event.SetEventObject( listbox );
	132
	133	listbox->GetEventHandler()->ProcessEvent( event );
	134	if (event.m_commandString) delete[] event.m_commandString ;
	135	}
	136
	137	//-----------------------------------------------------------------------------
	138	// wxListBox
	139	//-----------------------------------------------------------------------------
	140
	141	IMPLEMENT_DYNAMIC_CLASS(wxListBox,wxControl)
	142
	143	wxListBox::wxListBox()
	144	{
	145	m_list = (GtkList *) NULL;
	146	m_hasCheckBoxes = FALSE;
	147	}
	148
	149	bool wxListBox::Create( wxWindow *parent, wxWindowID id,
	150	const wxPoint &pos, const wxSize &size,
	151	int n, const wxString choices[],
	152	long style, const wxValidator& validator, const wxString &name )
	153	{
	154	m_needParent = TRUE;
	155	m_acceptsFocus = TRUE;
	156
	157	PreCreation( parent, id, pos, size, style, name );
	158
	159	SetValidator( validator );
	160
	161	m_widget = gtk_scrolled_window_new( (GtkAdjustment) NULL, (GtkAdjustment) NULL );
	162	gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(m_widget),
	163	GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
	164
	165	m_list = GTK_LIST( gtk_list_new() );
	166
	167	GtkSelectionMode mode = GTK_SELECTION_BROWSE;
	168	if (style & wxLB_MULTIPLE)
	169	mode = GTK_SELECTION_MULTIPLE;
	170	else if (style & wxLB_EXTENDED)
	171	mode = GTK_SELECTION_EXTENDED;
	172
	173	gtk_list_set_selection_mode( GTK_LIST(m_list), mode );
	174
	175	#ifdef NEW_GTK_SCROLL_CODE
	176	gtk_scrolled_window_add_with_viewport( GTK_SCROLLED_WINDOW(m_widget), GTK_WIDGET(m_list) );
	177	#else
	178	gtk_container_add( GTK_CONTAINER(m_widget), GTK_WIDGET(m_list) );
	179	#endif
	180
	181	#ifdef __WXDEBUG__
	182	debug_focus_in( m_widget, "wxListBox::m_widget", name );
	183
	184	debug_focus_in( GTK_WIDGET(m_list), "wxListBox::m_list", name );
	185
	186	GtkScrolledWindow *s_window = GTK_SCROLLED_WINDOW(m_widget);
	187
	188	debug_focus_in( s_window->hscrollbar, "wxWindow::hsrcollbar", name );
	189	debug_focus_in( s_window->vscrollbar, "wxWindow::vsrcollbar", name );
	190
	191	#ifdef NEW_GTK_SCROLL_CODE
	192	GtkViewport *viewport = GTK_VIEWPORT(s_window->child);
	193	#else
	194	GtkViewport *viewport = GTK_VIEWPORT(s_window->viewport);
	195	#endif
	196
	197	debug_focus_in( GTK_WIDGET(viewport), "wxWindow::viewport", name );
	198	#endif
	199
	200	gtk_widget_show( GTK_WIDGET(m_list) );
	201
	202	wxSize newSize = size;
	203	if (newSize.x == -1) newSize.x = 100;
	204	if (newSize.y == -1) newSize.y = 110;
	205	SetSize( newSize.x, newSize.y );
	206
	207	for (int i = 0; i < n; i++)
	208	{
	209	m_clientDataList.Append( (wxObject*) NULL );
	210	m_clientObjectList.Append( (wxObject*) NULL );
	211
	212	GtkWidget *list_item;
	213
	214	if (m_hasCheckBoxes)
	215	{
	216	wxString str = "[-] ";
	217	str += choices[i];
	218	list_item = gtk_list_item_new_with_label( str );
	219	}
	220	else
	221	{
	222	list_item = gtk_list_item_new_with_label( choices[i] );
	223	}
	224
	225	#ifdef __WXDEBUG__
	226	debug_focus_in( list_item, "wxListBox::list_item", name );
	227	#endif
	228
	229	gtk_container_add( GTK_CONTAINER(m_list), list_item );
	230
	231	gtk_signal_connect( GTK_OBJECT(list_item), "select",
	232	GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
	233
	234	if (style & wxLB_MULTIPLE)
	235	gtk_signal_connect( GTK_OBJECT(list_item), "deselect",
	236	GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
	237
	238	if (m_hasCheckBoxes)
	239	{
	240	gtk_signal_connect( GTK_OBJECT(list_item),
	241	"button_press_event",
	242	(GtkSignalFunc)gtk_listbox_button_press_callback,
	243	(gpointer) this );
	244	}
	245
	246	gtk_signal_connect( GTK_OBJECT(list_item),
	247	"key_press_event",
	248	(GtkSignalFunc)gtk_listbox_key_press_callback,
	249	(gpointer)this );
	250
	251	ConnectWidget( list_item );
	252
	253	gtk_widget_show( list_item );
	254	}
	255
	256	m_parent->AddChild( this );
	257
	258	(m_parent->m_insertCallback)( m_parent, this );
	259
	260	PostCreation();
	261
	262	gtk_widget_realize( GTK_WIDGET(m_list) );
	263
	264	SetBackgroundColour( parent->GetBackgroundColour() );
	265	SetForegroundColour( parent->GetForegroundColour() );
	266
	267	Show( TRUE );
	268
	269	return TRUE;
	270	}
	271
	272	wxListBox::~wxListBox()
	273	{
	274	Clear();
	275	}
	276
	277	void wxListBox::AppendCommon( const wxString &item )
	278	{
	279	wxCHECK_RET( m_list != NULL, "invalid listbox" );
	280
	281	GtkWidget *list_item;
	282
	283	if (m_hasCheckBoxes)
	284	{
	285	wxString str = "[-] ";
	286	str += item;
	287	list_item = gtk_list_item_new_with_label( str );
	288	}
	289	else
	290	{
	291	list_item = gtk_list_item_new_with_label( item );
	292	}
	293
	294	gtk_signal_connect( GTK_OBJECT(list_item), "select",
	295	GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
	296
	297	if (GetWindowStyleFlag() & wxLB_MULTIPLE)
	298	gtk_signal_connect( GTK_OBJECT(list_item), "deselect",
	299	GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
	300
	301	gtk_container_add( GTK_CONTAINER(m_list), list_item );
	302
	303	if (m_widgetStyle) ApplyWidgetStyle();
	304
	305	if (m_hasCheckBoxes)
	306	{
	307	gtk_signal_connect( GTK_OBJECT(list_item),
	308	"button_press_event",
	309	(GtkSignalFunc)gtk_listbox_button_press_callback,
	310	(gpointer) this );
	311	}
	312
	313	gtk_signal_connect( GTK_OBJECT(list_item),
	314	"key_press_event",
	315	(GtkSignalFunc)gtk_listbox_key_press_callback,
	316	(gpointer)this );
	317
	318	gtk_widget_show( list_item );
	319
	320	ConnectWidget( list_item );
	321
	322	#ifdef wxUSE_DRAG_AND_DROP
	323	#ifndef NEW_GTK_DND_CODE
	324	if (m_dropTarget) m_dropTarget->RegisterWidget( list_item );
	325	#endif
	326	#endif
	327	}
	328
	329	void wxListBox::Append( const wxString &item )
	330	{
	331	m_clientDataList.Append( (wxObject*) NULL );
	332	m_clientObjectList.Append( (wxObject*) NULL );
	333
	334	AppendCommon( item );
	335	}
	336
	337	void wxListBox::Append( const wxString &item, void *clientData )
	338	{
	339	m_clientDataList.Append( (wxObject*) clientData );
	340	m_clientObjectList.Append( (wxObject*) NULL );
	341
	342	AppendCommon( item );
	343	}
	344
	345	void wxListBox::Append( const wxString &item, wxClientData *clientData )
	346	{
	347	m_clientObjectList.Append( (wxObject*) clientData );
	348	m_clientDataList.Append( (wxObject*) NULL );
	349
	350	AppendCommon( item );
	351	}
	352
	353	void wxListBox::SetClientData( int n, void* clientData )
	354	{
	355	wxCHECK_RET( m_widget != NULL, "invalid combobox" );
	356
	357	wxNode *node = m_clientDataList.Nth( n );
	358	if (!node) return;
	359
	360	node->SetData( (wxObject*) clientData );
	361	}
	362
	363	void* wxListBox::GetClientData( int n )
	364	{
	365	wxCHECK_MSG( m_widget != NULL, NULL, "invalid combobox" );
	366
	367	wxNode *node = m_clientDataList.Nth( n );
	368	if (!node) return NULL;
	369
	370	return node->Data();
	371	}
	372
	373	void wxListBox::SetClientObject( int n, wxClientData* clientData )
	374	{
	375	wxCHECK_RET( m_widget != NULL, "invalid combobox" );
	376
	377	wxNode *node = m_clientObjectList.Nth( n );
	378	if (!node) return;
	379
	380	wxClientData cd = (wxClientData) node->Data();
	381	if (cd) delete cd;
	382
	383	node->SetData( (wxObject*) clientData );
	384	}
	385
	386	wxClientData* wxListBox::GetClientObject( int n )
	387	{
	388	wxCHECK_MSG( m_widget != NULL, (wxClientData*)NULL, "invalid combobox" );
	389
	390	wxNode *node = m_clientObjectList.Nth( n );
	391	if (!node) return (wxClientData*) NULL;
	392
	393	return (wxClientData*) node->Data();
	394	}
	395
	396	void wxListBox::Clear()
	397	{
	398	wxCHECK_RET( m_list != NULL, "invalid listbox" );
	399
	400	gtk_list_clear_items( m_list, 0, Number() );
	401
	402	wxNode *node = m_clientObjectList.First();
	403	while (node)
	404	{
	405	wxClientData cd = (wxClientData)node->Data();
	406	if (cd) delete cd;
	407	node = node->Next();
	408	}
	409	m_clientObjectList.Clear();
	410
	411	m_clientDataList.Clear();
	412	}
	413
	414	void wxListBox::Delete( int n )
	415	{
	416	wxCHECK_RET( m_list != NULL, "invalid listbox" );
	417
	418	GList *child = g_list_nth( m_list->children, n );
	419
	420	wxCHECK_RET( child, "wrong listbox index" );
	421
	422	GList *list = g_list_append( NULL, child->data );
	423	gtk_list_remove_items( m_list, list );
	424	g_list_free( list );
	425
	426	wxNode *node = m_clientObjectList.Nth( n );
	427	if (node)
	428	{
	429	wxClientData cd = (wxClientData)node->Data();
	430	if (cd) delete cd;
	431	m_clientObjectList.DeleteNode( node );
	432	}
	433
	434	node = m_clientDataList.Nth( n );
	435	if (node)
	436	{
	437	m_clientDataList.DeleteNode( node );
	438	}
	439	}
	440
	441	void wxListBox::Deselect( int n )
	442	{
	443	wxCHECK_RET( m_list != NULL, "invalid listbox" );
	444
	445	gtk_list_unselect_item( m_list, n );
	446	}
	447
	448	int wxListBox::FindString( const wxString &item ) const
	449	{
	450	wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );
	451
	452	GList *child = m_list->children;
	453	int count = 0;
	454	while (child)
	455	{
	456	GtkBin *bin = GTK_BIN( child->data );
	457	GtkLabel *label = GTK_LABEL( bin->child );
	458
	459	wxString str = label->label;
	460	if (m_hasCheckBoxes) str.Remove( 0, 4 );
	461
	462	if (str == item) return count;
	463
	464	count++;
	465	child = child->next;
	466	}
	467
	468	// it's not an error if the string is not found -> no wxCHECK
	469
	470	return -1;
	471	}
	472
	473	int wxListBox::GetSelection() const
	474	{
	475	wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );
	476
	477	GList *child = m_list->children;
	478	int count = 0;
	479	while (child)
	480	{
	481	if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED) return count;
	482	count++;
	483	child = child->next;
	484	}
	485	return -1;
	486	}
	487
	488	int wxListBox::GetSelections( wxArrayInt& aSelections ) const
	489	{
	490	wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );
	491
	492	// get the number of selected items first
	493	GList *child = m_list->children;
	494	int count = 0;
	495	for (child = m_list->children; child != NULL; child = child->next)
	496	{
	497	if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED)
	498	count++;
	499	}
	500
	501	aSelections.Empty();
	502
	503	if (count > 0)
	504	{
	505	// now fill the list
	506	aSelections.Alloc(count); // optimization attempt
	507	int i = 0;
	508	for (child = m_list->children; child != NULL; child = child->next, i++)
	509	{
	510	if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED)
	511	aSelections.Add(i);
	512	}
	513	}
	514
	515	return count;
	516	}
	517
	518	wxString wxListBox::GetString( int n ) const
	519	{
	520	wxCHECK_MSG( m_list != NULL, "", "invalid listbox" );
	521
	522	GList *child = g_list_nth( m_list->children, n );
	523	if (child)
	524	{
	525	GtkBin *bin = GTK_BIN( child->data );
	526	GtkLabel *label = GTK_LABEL( bin->child );
	527
	528	wxString str = label->label;
	529	if (m_hasCheckBoxes) str.Remove( 0, 4 );
	530
	531	return str;
	532	}
	533	wxFAIL_MSG("wrong listbox index");
	534	return "";
	535	}
	536
	537	wxString wxListBox::GetStringSelection() const
	538	{
	539	wxCHECK_MSG( m_list != NULL, "", "invalid listbox" );
	540
	541	GList *selection = m_list->selection;
	542	if (selection)
	543	{
	544	GtkBin *bin = GTK_BIN( selection->data );
	545	GtkLabel *label = GTK_LABEL( bin->child );
	546
	547	wxString str = label->label;
	548	if (m_hasCheckBoxes) str.Remove( 0, 4 );
	549
	550	return str;
	551	}
	552
	553	wxFAIL_MSG("no listbox selection available");
	554	return "";
	555	}
	556
	557	int wxListBox::Number()
	558	{
	559	wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );
	560
	561	GList *child = m_list->children;
	562	int count = 0;
	563	while (child) { count++; child = child->next; }
	564	return count;
	565	}
	566
	567	bool wxListBox::Selected( int n )
	568	{
	569	wxCHECK_MSG( m_list != NULL, FALSE, "invalid listbox" );
	570
	571	GList *target = g_list_nth( m_list->children, n );
	572	if (target)
	573	{
	574	GList *child = m_list->selection;
	575	while (child)
	576	{
	577	if (child->data == target->data) return TRUE;
	578	child = child->next;
	579	}
	580	}
	581	wxFAIL_MSG("wrong listbox index");
	582	return FALSE;
	583	}
	584
	585	void wxListBox::Set( int WXUNUSED(n), const wxString *WXUNUSED(choices) )
	586	{
	587	wxFAIL_MSG("wxListBox::Set not implemented");
	588	}
	589
	590	void wxListBox::SetFirstItem( int WXUNUSED(n) )
	591	{
	592	wxFAIL_MSG("wxListBox::SetFirstItem not implemented");
	593	}
	594
	595	void wxListBox::SetFirstItem( const wxString &WXUNUSED(item) )
	596	{
	597	wxFAIL_MSG("wxListBox::SetFirstItem not implemented");
	598	}
	599
	600	void wxListBox::SetSelection( int n, bool select )
	601	{
	602	wxCHECK_RET( m_list != NULL, "invalid listbox" );
	603
	604	if (select)
	605	gtk_list_select_item( m_list, n );
	606	else
	607	gtk_list_unselect_item( m_list, n );
	608	}
	609
	610	void wxListBox::SetString( int n, const wxString &string )
	611	{
	612	wxCHECK_RET( m_list != NULL, "invalid listbox" );
	613
	614	GList *child = g_list_nth( m_list->children, n );
	615	if (child)
	616	{
	617	GtkBin *bin = GTK_BIN( child->data );
	618	GtkLabel *label = GTK_LABEL( bin->child );
	619
	620	wxString str;
	621	if (m_hasCheckBoxes) str += "[-] ";
	622	str += string;
	623
	624	gtk_label_set( label, str );
	625	}
	626	else
	627	{
	628	wxFAIL_MSG("wrong listbox index");
	629	}
	630	}
	631
	632	void wxListBox::SetStringSelection( const wxString &string, bool select )
	633	{
	634	wxCHECK_RET( m_list != NULL, "invalid listbox" );
	635
	636	SetSelection( FindString(string), select );
	637	}
	638
	639	int wxListBox::GetIndex( GtkWidget *item ) const
	640	{
	641	if (item)
	642	{
	643	GList *child = m_list->children;
	644	int count = 0;
	645	while (child)
	646	{
	647	if (GTK_WIDGET(child->data) == item) return count;
	648	count++;
	649	child = child->next;
	650	}
	651	}
	652	return -1;
	653	}
	654
	655	#ifdef wxUSE_DRAG_AND_DROP
	656	void wxListBox::SetDropTarget( wxDropTarget *dropTarget )
	657	{
	658	wxCHECK_RET( m_list != NULL, "invalid listbox" );
	659
	660	#ifndef NEW_GTK_DND_CODE
	661	if (m_dropTarget)
	662	{
	663	GList *child = m_list->children;
	664	while (child)
	665	{
	666	m_dropTarget->UnregisterWidget( GTK_WIDGET( child->data ) );
	667	child = child->next;
	668	}
	669	}
	670	#endif
	671
	672	wxWindow::SetDropTarget( dropTarget );
	673
	674	#ifndef NEW_GTK_DND_CODE
	675	if (m_dropTarget)
	676	{
	677	GList *child = m_list->children;
	678	while (child)
	679	{
	680	m_dropTarget->RegisterWidget( GTK_WIDGET( child->data ) );
	681	child = child->next;
	682	}
	683	}
	684	#endif
	685	}
	686	#endif
	687
	688	GtkWidget *wxListBox::GetConnectWidget()
	689	{
	690	return GTK_WIDGET(m_list);
	691	}
	692
	693	bool wxListBox::IsOwnGtkWindow( GdkWindow *window )
	694	{
	695	if (wxWindow::IsOwnGtkWindow( window )) return TRUE;
	696
	697	GList *child = m_list->children;
	698	while (child)
	699	{
	700	GtkWidget *bin = GTK_WIDGET( child->data );
	701	if (bin->window == window) return TRUE;
	702	child = child->next;
	703	}
	704
	705	return FALSE;
	706	}
	707
	708	void wxListBox::ApplyWidgetStyle()
	709	{
	710	SetWidgetStyle();
	711
	712	if (m_backgroundColour.Ok())
	713	{
	714	GdkWindow *window = GTK_WIDGET(m_list)->window;
	715	m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) );
	716	gdk_window_set_background( window, m_backgroundColour.GetColor() );
	717	gdk_window_clear( window );
	718	}
	719
	720	GList *child = m_list->children;
	721	while (child)
	722	{
	723	gtk_widget_set_style( GTK_WIDGET(child->data), m_widgetStyle );
	724
	725	GtkBin *bin = GTK_BIN( child->data );
	726	GtkWidget *label = GTK_WIDGET( bin->child );
	727	gtk_widget_set_style( label, m_widgetStyle );
	728
	729	child = child->next;
	730	}
	731	}