X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e3e65dac0c4e7ad19e3c270caa1e0eea138e5d8d..5d5da6f610400c6a6a7886b154adeb8a69772f98:/src/gtk/listbox.cpp diff --git a/src/gtk/listbox.cpp b/src/gtk/listbox.cpp index f880a3291e..d54e30e324 100644 --- a/src/gtk/listbox.cpp +++ b/src/gtk/listbox.cpp @@ -2,10 +2,9 @@ // Name: listbox.cpp // Purpose: // Author: Robert Roebling -// Created: 01/02/97 -// Id: -// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem -// Licence: wxWindows licence +// Id: $Id$ +// Copyright: (c) 1998 Robert Roebling +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -13,320 +12,1040 @@ #pragma implementation "listbox.h" #endif -#include "wx/dynarray.h" #include "wx/listbox.h" +#if wxUSE_LISTBOX + +#include "wx/dynarray.h" +#include "wx/utils.h" +#include "wx/intl.h" +#include "wx/checklst.h" +#include "wx/settings.h" + +#if wxUSE_TOOLTIPS +#include "wx/tooltip.h" +#endif + +#include +#include +#include + //----------------------------------------------------------------------------- -// wxListBox +// idle system +//----------------------------------------------------------------------------- + +extern void wxapp_install_idle_handler(); +extern bool g_isIdle; + +//----------------------------------------------------------------------------- +// private functions +//----------------------------------------------------------------------------- + +#if wxUSE_CHECKLISTBOX + +// checklistboxes have "[±] " prepended to their lables, this macro removes it +// (NB: 4 below is the length of wxCHECKLBOX_STRING above) +// +// the argument to it is a "const char *" pointer +#define GET_REAL_LABEL(label) ((m_hasCheckBoxes)?(label)+4 : (label)) + +#else // !wxUSE_CHECKLISTBOX + +#define GET_REAL_LABEL(label) (label) + +#endif // wxUSE_CHECKLISTBOX + +//----------------------------------------------------------------------------- +// data +//----------------------------------------------------------------------------- + +extern bool g_blockEventsOnDrag; +extern bool g_blockEventsOnScroll; +extern wxCursor g_globalCursor; + +static bool g_hasDoubleClicked = FALSE; + +//----------------------------------------------------------------------------- +// idle callback for SetFirstItem //----------------------------------------------------------------------------- -void gtk_listitem_select_callback( GtkWidget *widget, gpointer data ) -{ - wxListBox *listbox = (wxListBox*)data; - - wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, listbox->GetId() ); - - event.SetInt( listbox->GetIndex( widget ) ); - - GtkBin *bin = GTK_BIN( widget ); - GtkLabel *label = GTK_LABEL( bin->child ); - wxString tmp( label->label ); - event.SetString( WXSTRINGCAST(tmp) ); - - event.SetEventObject( listbox ); - - listbox->ProcessEvent( event ); +struct wxlistbox_idle_struct +{ + wxListBox *m_listbox; + int m_item; + gint m_tag; }; +extern "C" gint wxlistbox_idle_callback( gpointer gdata ) +{ + wxlistbox_idle_struct* data = (wxlistbox_idle_struct*) gdata; + gdk_threads_enter(); + + gtk_idle_remove( data->m_tag ); + + data->m_listbox->SetFirstItem( data->m_item ); + + delete data; + + gdk_threads_leave(); + + return TRUE; +} + +//----------------------------------------------------------------------------- +// "button_release_event" +//----------------------------------------------------------------------------- + +/* we would normally emit a wxEVT_COMMAND_LISTBOX_DOUBLECLICKED event once + a GDK_2BUTTON_PRESS occurs, but this has the particular problem of the + listbox keeping the focus until it receives a GDK_BUTTON_RELEASE event. + this can lead to race conditions so that we emit the dclick event + after the GDK_BUTTON_RELEASE event after the GDK_2BUTTON_PRESS event */ + +static gint +gtk_listbox_button_release_callback( GtkWidget * WXUNUSED(widget), + GdkEventButton * WXUNUSED(gdk_event), + wxListBox *listbox ) +{ + if (g_isIdle) wxapp_install_idle_handler(); + + if (g_blockEventsOnDrag) return FALSE; + if (g_blockEventsOnScroll) return FALSE; + + if (!listbox->m_hasVMT) return FALSE; + + if (!g_hasDoubleClicked) return FALSE; + + wxCommandEvent event( wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, listbox->GetId() ); + event.SetEventObject( listbox ); + + wxArrayInt aSelections; + int n, count = listbox->GetSelections(aSelections); + if ( count > 0 ) + { + n = aSelections[0]; + if ( listbox->HasClientObjectData() ) + event.SetClientObject( listbox->GetClientObject(n) ); + else if ( listbox->HasClientUntypedData() ) + event.SetClientData( listbox->GetClientData(n) ); + event.SetString( listbox->GetString(n) ); + } + else + { + n = -1; + } + + event.m_commandInt = n; + + listbox->GetEventHandler()->ProcessEvent( event ); + + return FALSE; +} + +//----------------------------------------------------------------------------- +// "button_press_event" +//----------------------------------------------------------------------------- + +static gint +gtk_listbox_button_press_callback( GtkWidget *widget, + GdkEventButton *gdk_event, + wxListBox *listbox ) +{ + if (g_isIdle) wxapp_install_idle_handler(); + + if (g_blockEventsOnDrag) return FALSE; + if (g_blockEventsOnScroll) return FALSE; + + if (!listbox->m_hasVMT) return FALSE; + + int sel = listbox->GtkGetIndex( widget ); + +#if wxUSE_CHECKLISTBOX + 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 ); + } +#endif // wxUSE_CHECKLISTBOX + + /* emit wxEVT_COMMAND_LISTBOX_DOUBLECLICKED later */ + g_hasDoubleClicked = (gdk_event->type == GDK_2BUTTON_PRESS); + + return FALSE; +} + +//----------------------------------------------------------------------------- +// "key_press_event" +//----------------------------------------------------------------------------- + +static gint +gtk_listbox_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxListBox *listbox ) +{ + if (g_isIdle) + wxapp_install_idle_handler(); + + if (g_blockEventsOnDrag) + return FALSE; + + bool ret = FALSE; + + if ((gdk_event->keyval == GDK_Tab) || (gdk_event->keyval == GDK_ISO_Left_Tab)) + { + wxNavigationKeyEvent new_event; + /* GDK reports GDK_ISO_Left_Tab for SHIFT-TAB */ + new_event.SetDirection( (gdk_event->keyval == GDK_Tab) ); + /* CTRL-TAB changes the (parent) window, i.e. switch notebook page */ + new_event.SetWindowChange( (gdk_event->state & GDK_CONTROL_MASK) ); + new_event.SetCurrentFocus( listbox ); + ret = listbox->GetEventHandler()->ProcessEvent( new_event ); + } + + if ((gdk_event->keyval == GDK_Return) && (!ret)) + { + // eat return in all modes + ret = TRUE; + } + +#if wxUSE_CHECKLISTBOX + if ((gdk_event->keyval == ' ') && (listbox->m_hasCheckBoxes) && (!ret)) + { + int sel = listbox->GtkGetIndex( widget ); + + wxCheckListBox *clb = (wxCheckListBox *)listbox; + + clb->Check( sel, !clb->IsChecked(sel) ); + + wxCommandEvent new_event( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, listbox->GetId() ); + new_event.SetEventObject( listbox ); + new_event.SetInt( sel ); + ret = listbox->GetEventHandler()->ProcessEvent( new_event ); + } +#endif // wxUSE_CHECKLISTBOX + + if (ret) + { + gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "key_press_event" ); + return TRUE; + } + + return FALSE; +} + +//----------------------------------------------------------------------------- +// "select" and "deselect" +//----------------------------------------------------------------------------- + +static void gtk_listitem_select_cb( GtkWidget *widget, wxListBox *listbox, bool is_selection ); + +static void gtk_listitem_select_callback( GtkWidget *widget, wxListBox *listbox ) +{ + gtk_listitem_select_cb( widget, listbox, TRUE ); +} + +static void gtk_listitem_deselect_callback( GtkWidget *widget, wxListBox *listbox ) +{ + gtk_listitem_select_cb( widget, listbox, FALSE ); +} + +static void gtk_listitem_select_cb( GtkWidget *widget, wxListBox *listbox, bool is_selection ) +{ + if (g_isIdle) wxapp_install_idle_handler(); + + if (!listbox->m_hasVMT) return; + if (g_blockEventsOnDrag) return; + + if (listbox->m_blockEvent) return; + + wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, listbox->GetId() ); + event.SetEventObject( listbox ); + +// MSW doesn't do that either +// event.SetExtraLong( (long) is_selection ); + + + if ((listbox->GetWindowStyleFlag() & wxLB_SINGLE) != 0) + { + int sel = listbox->GtkGetIndex( widget ); + + if (listbox->m_prevSelection != sel) + gtk_list_unselect_item( listbox->m_list, listbox->m_prevSelection ); + + listbox->m_prevSelection = sel; + } + + wxArrayInt aSelections; + int n, count = listbox->GetSelections(aSelections); + if ( count > 0 ) + { + n = aSelections[0]; + if ( listbox->HasClientObjectData() ) + event.SetClientObject( listbox->GetClientObject(n) ); + else if ( listbox->HasClientUntypedData() ) + event.SetClientData( listbox->GetClientData(n) ); + event.SetString( listbox->GetString(n) ); + } + else + { + n = -1; + } + + event.m_commandInt = n; + +// No longer required with new code in wxLB_SINGLE +// listbox->GetEventHandler()->AddPendingEvent( event ); + listbox->GetEventHandler()->ProcessEvent( event ); +} + +//----------------------------------------------------------------------------- +// wxListBox //----------------------------------------------------------------------------- IMPLEMENT_DYNAMIC_CLASS(wxListBox,wxControl) -wxListBox::wxListBox(void) +// ---------------------------------------------------------------------------- +// construction +// ---------------------------------------------------------------------------- + +wxListBox::wxListBox() { - m_list = NULL; -}; + m_list = (GtkList *) NULL; +#if wxUSE_CHECKLISTBOX + m_hasCheckBoxes = FALSE; +#endif // wxUSE_CHECKLISTBOX +} -wxListBox::wxListBox( wxWindow *parent, wxWindowID id, - const wxPoint &pos, const wxSize &size, - int n, const wxString choices[], - long style, const wxString &name ) +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 ) { - Create( parent, id, pos, size, n, choices, style, name ); -}; + m_needParent = TRUE; + m_acceptsFocus = TRUE; + m_isListBox = TRUE; + m_prevSelection = 0; // or -1 ?? + m_blockEvent = FALSE; + + if (!PreCreation( parent, pos, size ) || + !CreateBase( parent, id, pos, size, style, validator, name )) + { + wxFAIL_MSG( wxT("wxListBox creation failed") ); + return FALSE; + } + + m_widget = gtk_scrolled_window_new( (GtkAdjustment*) NULL, (GtkAdjustment*) NULL ); + if (style & wxLB_ALWAYS_SB) + { + gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(m_widget), + GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS ); + } + else + { + 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; + if (style & wxLB_MULTIPLE) + { + mode = GTK_SELECTION_MULTIPLE; + } + else if (style & wxLB_EXTENDED) + { + mode = GTK_SELECTION_EXTENDED; + } + else + { + // if style was 0 set single mode + m_windowStyle |= wxLB_SINGLE; + mode = GTK_SELECTION_MULTIPLE; + } + + gtk_list_set_selection_mode( GTK_LIST(m_list), mode ); + + gtk_scrolled_window_add_with_viewport( GTK_SCROLLED_WINDOW(m_widget), GTK_WIDGET(m_list) ); + + /* make list scroll when moving the focus down using cursor keys */ + gtk_container_set_focus_vadjustment( + GTK_CONTAINER(m_list), + gtk_scrolled_window_get_vadjustment( + GTK_SCROLLED_WINDOW(m_widget))); + + gtk_widget_show( GTK_WIDGET(m_list) ); + + if ( style & wxLB_SORT ) + { + // this will change DoAppend() behaviour + m_strings = new wxSortedArrayString; + } + else + { + m_strings = (wxSortedArrayString *)NULL; + } + + for (int i = 0; i < n; i++) + { + // add one by one + DoAppend(choices[i]); + } + + // call it after appending the strings to the listbox, otherwise it doesn't + // work correctly + SetBestSize( size ); + + m_parent->DoAddChild( this ); + + PostCreation(); + + SetBackgroundColour( wxSystemSettings::GetColour( wxSYS_COLOUR_LISTBOX ) ); + SetForegroundColour( parent->GetForegroundColour() ); + SetFont( parent->GetFont() ); + + Show( TRUE ); + + return TRUE; +} + +wxListBox::~wxListBox() +{ + m_hasVMT = FALSE; + + Clear(); + + if (m_strings) + delete m_strings; +} + +void wxListBox::DoInsertItems(const wxArrayString& items, int pos) +{ + wxCHECK_RET( m_list != NULL, wxT("invalid listbox") ); + + // VZ: notice that InsertItems knows nothing about sorting, so calling it + // from outside (and not from our own Append) is likely to break + // everything + + // code elsewhere supposes we have as many items in m_clientList as items + // in the listbox + wxASSERT_MSG( m_clientList.GetCount() == (size_t)GetCount(), + wxT("bug in client data management") ); + + GList *children = m_list->children; + int length = g_list_length(children); + + wxCHECK_RET( pos <= length, wxT("invalid index in wxListBox::InsertItems") ); + + size_t nItems = items.GetCount(); + int index; + + if (m_strings) + { + for (size_t n = 0; n < nItems; n++) + { + index = m_strings->Add( items[n] ); + + if (index != GetCount()) + { + GtkAddItem( items[n], index ); + wxNode *node = m_clientList.Nth( index ); + m_clientList.Insert( node, (wxObject*) NULL ); + } + else + { + GtkAddItem( items[n] ); + m_clientList.Append( (wxObject*) NULL ); + } + } + } + else + { + if (pos == length) + { + for ( size_t n = 0; n < nItems; n++ ) + { + GtkAddItem( items[n] ); + + m_clientList.Append((wxObject *)NULL); + } + } + else + { + wxNode *node = m_clientList.Nth( pos ); + for ( size_t n = 0; n < nItems; n++ ) + { + GtkAddItem( items[n], pos+n ); + + m_clientList.Insert( node, (wxObject *)NULL ); + } + } + } + + wxASSERT_MSG( m_clientList.GetCount() == (size_t)GetCount(), + wxT("bug in client data management") ); +} + +int wxListBox::DoAppend( const wxString& item ) +{ + if (m_strings) + { + // need to determine the index + int index = m_strings->Add( item ); + + // only if not at the end anyway + if (index != GetCount()) + { + GtkAddItem( item, index ); + + wxNode *node = m_clientList.Nth( index ); + m_clientList.Insert( node, (wxObject *)NULL ); + + return index; + } + } + + GtkAddItem(item); + + m_clientList.Append((wxObject *)NULL); + + return GetCount() - 1; +} + +void wxListBox::GtkAddItem( const wxString &item, int pos ) +{ + wxCHECK_RET( m_list != NULL, wxT("invalid listbox") ); -bool wxListBox::Create( wxWindow *parent, wxWindowID id, - const wxPoint &pos, const wxSize &size, - int n, const wxString choices[], - long style, const wxString &name ) -{ - m_needParent = TRUE; - - PreCreation( parent, id, pos, size, style, name ); - - m_widget = gtk_scrolled_window_new( NULL, NULL ); - gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(m_widget), - GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC ); - - m_list = GTK_LIST( gtk_list_new() ); - - // @@ what's the difference between BROWSE and SINGLE? - 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 ); - - gtk_container_add (GTK_CONTAINER(m_widget), GTK_WIDGET(m_list) ); - gtk_widget_show( GTK_WIDGET(m_list) ); - - for (int i = 0; i < n; i++) - { GtkWidget *list_item; - list_item = gtk_list_item_new_with_label( choices[i] ); - - gtk_signal_connect( GTK_OBJECT(list_item), "select", + + wxString label(item); +#if wxUSE_CHECKLISTBOX + if (m_hasCheckBoxes) + { + label.Prepend(wxCHECKLBOX_STRING); + } +#endif // wxUSE_CHECKLISTBOX + + list_item = gtk_list_item_new_with_label( label.mbc_str() ); + + GList *gitem_list = g_list_alloc (); + gitem_list->data = list_item; + + if (pos == -1) + gtk_list_append_items( GTK_LIST (m_list), gitem_list ); + else + gtk_list_insert_items( GTK_LIST (m_list), gitem_list, pos ); + + gtk_signal_connect( GTK_OBJECT(list_item), "select", GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this ); - - gtk_container_add( GTK_CONTAINER(m_list), list_item ); - - m_clientData.Append( (wxObject*)NULL ); - + + if (HasFlag(wxLB_MULTIPLE) || HasFlag(wxLB_EXTENDED)) + gtk_signal_connect( GTK_OBJECT(list_item), "deselect", + GTK_SIGNAL_FUNC(gtk_listitem_deselect_callback), (gpointer)this ); + + gtk_signal_connect( GTK_OBJECT(list_item), + "button_press_event", + (GtkSignalFunc)gtk_listbox_button_press_callback, + (gpointer) this ); + + gtk_signal_connect_after( GTK_OBJECT(list_item), + "button_release_event", + (GtkSignalFunc)gtk_listbox_button_release_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 ); - }; - - PostCreation(); - - gtk_widget_realize( GTK_WIDGET(m_list) ); - - Show( TRUE ); - - return TRUE; -}; -void wxListBox::Append( const wxString &item ) + if (GTK_WIDGET_REALIZED(m_widget)) + { + gtk_widget_realize( list_item ); + gtk_widget_realize( GTK_BIN(list_item)->child ); + + // Apply current widget style to the new list_item + if (m_widgetStyle) + { + gtk_widget_set_style( GTK_WIDGET( list_item ), m_widgetStyle ); + GtkBin *bin = GTK_BIN( list_item ); + GtkWidget *label = GTK_WIDGET( bin->child ); + gtk_widget_set_style( label, m_widgetStyle ); + } + +#if wxUSE_TOOLTIPS + if (m_tooltip) m_tooltip->Apply( this ); +#endif + } +} + +void wxListBox::DoSetItems( const wxArrayString& items, + void **clientData) { - GtkWidget *list_item; - 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 ); - - gtk_container_add( GTK_CONTAINER(m_list), list_item ); - - m_clientData.Append( (wxObject*)NULL ); - - gtk_widget_show( list_item ); -}; + Clear(); -void wxListBox::Append( const wxString &item, char *clientData ) -{ - GtkWidget *list_item; - 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 ); - - gtk_container_add( GTK_CONTAINER(m_list), list_item ); - - m_clientData.Append( (wxObject*)clientData ); - - gtk_widget_show( list_item ); -}; + DoInsertItems(items, 0); + + if ( clientData ) + { + size_t count = items.GetCount(); + for ( size_t n = 0; n < count; n++ ) + { + SetClientData(n, clientData[n]); + } + } +} + +// ---------------------------------------------------------------------------- +// client data +// ---------------------------------------------------------------------------- -void wxListBox::Clear(void) +void wxListBox::DoSetItemClientData( int n, void* clientData ) { - gtk_list_clear_items( m_list, 0, Number() ); - - m_clientData.Clear(); -}; + wxCHECK_RET( m_widget != NULL, wxT("invalid listbox control") ); -void wxListBox::Delete( int n ) + wxNode *node = m_clientList.Nth( n ); + wxCHECK_RET( node, wxT("invalid index in wxListBox::DoSetItemClientData") ); + + node->SetData( (wxObject*) clientData ); +} + +void* wxListBox::DoGetItemClientData( int n ) const { - gtk_list_clear_items( m_list, n, n ); - - wxNode *node = m_clientData.Nth( n ); - if (!node) - { - wxFAIL_MSG("wxListBox::Delete wrong index"); - } - else - m_clientData.DeleteNode( node ); -}; + wxCHECK_MSG( m_widget != NULL, NULL, wxT("invalid listbox control") ); + + wxNode *node = m_clientList.Nth( n ); + wxCHECK_MSG( node, NULL, wxT("invalid index in wxListBox::DoGetItemClientData") ); -void wxListBox::Deselect( int n ) + return node->Data(); +} + +void wxListBox::DoSetItemClientObject( int n, wxClientData* clientData ) { - gtk_list_unselect_item( m_list, n ); -}; + wxCHECK_RET( m_widget != NULL, wxT("invalid listbox control") ); -int wxListBox::FindString( const wxString &item ) const + wxNode *node = m_clientList.Nth( n ); + wxCHECK_RET( node, wxT("invalid index in wxListBox::DoSetItemClientObject") ); + + wxClientData *cd = (wxClientData*) node->Data(); + delete cd; + + node->SetData( (wxObject*) clientData ); +} + +wxClientData* wxListBox::DoGetItemClientObject( int n ) const { - GList *child = m_list->children; - int count = 0; - while (child) - { - GtkBin *bin = GTK_BIN( child->data ); - GtkLabel *label = GTK_LABEL( bin->child ); - if (item == label->label) return count; - count++; - child = child->next; - }; - return -1; -}; + wxCHECK_MSG( m_widget != NULL, (wxClientData*) NULL, wxT("invalid listbox control") ); + + wxNode *node = m_clientList.Nth( n ); + wxCHECK_MSG( node, (wxClientData *)NULL, + wxT("invalid index in wxListBox::DoGetItemClientObject") ); -char *wxListBox::GetClientData( int n ) const + return (wxClientData*) node->Data(); +} + +void wxListBox::Clear() { - wxNode *node = m_clientData.Nth( n ); - if (node) return ((char*)node->Data()); - return NULL; -}; + wxCHECK_RET( m_list != NULL, wxT("invalid listbox") ); + + gtk_list_clear_items( m_list, 0, GetCount() ); + + if ( GTK_LIST(m_list)->last_focus_child != NULL ) + { + // This should be NULL, I think. + GTK_LIST(m_list)->last_focus_child = NULL; + } -int wxListBox::GetSelection(void) const + if ( HasClientObjectData() ) + { + // destroy the data (due to Robert's idea of using wxList + // and not wxList we can't just say + // m_clientList.DeleteContents(TRUE) - this would crash! + wxNode *node = m_clientList.First(); + while ( node ) + { + delete (wxClientData *)node->Data(); + node = node->Next(); + } + } + m_clientList.Clear(); + + if ( m_strings ) + m_strings->Clear(); +} + +void wxListBox::Delete( int n ) { - GList *selection = m_list->selection; - if (selection) - { - GList *child = m_list->children; - int count = 0; - while (child) + wxCHECK_RET( m_list != NULL, wxT("invalid listbox") ); + + GList *child = g_list_nth( m_list->children, n ); + + wxCHECK_RET( child, wxT("wrong listbox index") ); + + GList *list = g_list_append( (GList*) NULL, child->data ); + gtk_list_remove_items( m_list, list ); + g_list_free( list ); + + wxNode *node = m_clientList.Nth( n ); + if ( node ) { - if (child->data == selection->data) return count; - count++; - child = child->next; - }; - }; - return -1; -}; + if ( m_clientDataItemsType == wxClientData_Object ) + { + wxClientData *cd = (wxClientData*)node->Data(); + delete cd; + } -int wxListBox::GetSelections(wxArrayInt& aSelections) const -{ - // 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; -}; + m_clientList.DeleteNode( node ); + } + + if ( m_strings ) + m_strings->Remove(n); +} + +// ---------------------------------------------------------------------------- +// string list access +// ---------------------------------------------------------------------------- + +void wxListBox::SetString( int n, const wxString &string ) +{ + wxCHECK_RET( m_list != NULL, wxT("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 wxUSE_CHECKLISTBOX + if (m_hasCheckBoxes) + str += wxCHECKLBOX_STRING; +#endif // wxUSE_CHECKLISTBOX + str += string; + + gtk_label_set( label, str.mbc_str() ); + } + else + { + wxFAIL_MSG(wxT("wrong listbox index")); + } +} wxString wxListBox::GetString( int n ) const { - GList *child = g_list_nth( m_list->children, n ); - if (child) - { - GtkBin *bin = GTK_BIN( child->data ); - GtkLabel *label = GTK_LABEL( bin->child ); - return label->label; - }; - return ""; -}; + wxCHECK_MSG( m_list != NULL, wxT(""), wxT("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 wxListBox::GetStringSelection(void) const + wxString str = wxString(GET_REAL_LABEL(label->label),*wxConvCurrent); + + return str; + } + + wxFAIL_MSG(wxT("wrong listbox index")); + + return wxT(""); +} + +int wxListBox::GetCount() const { - GList *selection = m_list->selection; - if (selection) - { - GtkBin *bin = GTK_BIN( selection->data ); - wxString tmp = GTK_LABEL( bin->child )->label; - return tmp; - }; - return ""; -}; + wxCHECK_MSG( m_list != NULL, -1, wxT("invalid listbox") ); -int wxListBox::Number(void) + GList *children = m_list->children; + return g_list_length(children); +} + +int wxListBox::FindString( const wxString &item ) const { - GList *child = m_list->children; - int count = 0; - while (child) { count++; child = child->next; }; - return count; -}; + wxCHECK_MSG( m_list != NULL, -1, wxT("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 = wxString(GET_REAL_LABEL(label->label),*wxConvCurrent); + + if (str == item) + return count; + + count++; + child = child->next; + } + + // it's not an error if the string is not found -> no wxCHECK + + return wxNOT_FOUND; +} -bool wxListBox::Selected( int n ) +// ---------------------------------------------------------------------------- +// selection +// ---------------------------------------------------------------------------- + +int wxListBox::GetSelection() const { - GList *target = g_list_nth( m_list->children, n ); - if (target) - { - GList *child = m_list->selection; + wxCHECK_MSG( m_list != NULL, -1, wxT("invalid listbox") ); + + GList *child = m_list->children; + int count = 0; while (child) { - if (child->data == target->data) return TRUE; - child = child->next; - }; - }; - return FALSE; -}; + if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED) return count; + count++; + child = child->next; + } + return -1; +} -void wxListBox::Set( int WXUNUSED(n), const wxString *WXUNUSED(choices) ) +int wxListBox::GetSelections( wxArrayInt& aSelections ) const { -}; + wxCHECK_MSG( m_list != NULL, -1, wxT("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; +} -void wxListBox::SetClientData( int n, char *clientData ) +bool wxListBox::IsSelected( int n ) const { - wxNode *node = m_clientData.Nth( n ); - if (node) node->SetData( (wxObject*)clientData ); -}; + wxCHECK_MSG( m_list != NULL, FALSE, wxT("invalid listbox") ); + + GList *target = g_list_nth( m_list->children, n ); + + wxCHECK_MSG( target, FALSE, wxT("invalid listbox index") ); -void wxListBox::SetFirstItem( int WXUNUSED(n) ) + return (GTK_WIDGET(target->data)->state == GTK_STATE_SELECTED) ; +} + +void wxListBox::SetSelection( int n, bool select ) { -}; + wxCHECK_RET( m_list != NULL, wxT("invalid listbox") ); -void wxListBox::SetFirstItem( const wxString &WXUNUSED(item) ) + m_blockEvent = TRUE; + + if (select) + { + if ((m_windowStyle & wxLB_SINGLE) != 0) + gtk_list_unselect_item( m_list, m_prevSelection ); + gtk_list_select_item( m_list, n ); + m_prevSelection = n; + } + else + gtk_list_unselect_item( m_list, n ); + + m_blockEvent = FALSE; +} + +void wxListBox::DoSetFirstItem( int n ) { -}; + wxCHECK_RET( m_list, wxT("invalid listbox") ); -void wxListBox::SetSelection( int n, bool select ) + if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (m_list)) + return; + + // terribly efficient + const gchar *vadjustment_key = "gtk-vadjustment"; + guint vadjustment_key_id = g_quark_from_static_string (vadjustment_key); + + GtkAdjustment *adjustment = + (GtkAdjustment*) gtk_object_get_data_by_id (GTK_OBJECT (m_list), vadjustment_key_id); + wxCHECK_RET( adjustment, wxT("invalid listbox code") ); + + GList *target = g_list_nth( m_list->children, n ); + wxCHECK_RET( target, wxT("invalid listbox index") ); + + GtkWidget *item = GTK_WIDGET(target->data); + wxCHECK_RET( item, wxT("invalid listbox code") ); + + if (item->allocation.y == -1) + { + wxlistbox_idle_struct* data = new wxlistbox_idle_struct; + data->m_listbox = this; + data->m_item = n; + data->m_tag = gtk_idle_add_priority( 800, wxlistbox_idle_callback, (gpointer) data ); + + return; + } + + float y = item->allocation.y; + if (y > adjustment->upper - adjustment->page_size) + y = adjustment->upper - adjustment->page_size; + gtk_adjustment_set_value( adjustment, y ); +} + +// ---------------------------------------------------------------------------- +// helpers +// ---------------------------------------------------------------------------- + +int wxListBox::GtkGetIndex( GtkWidget *item ) const { - if (select) - gtk_list_select_item( m_list, n ); - else - gtk_list_unselect_item( m_list, n ); -}; + 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; +} -void wxListBox::SetString( int WXUNUSED(n), const wxString &WXUNUSED(string) ) +#if wxUSE_TOOLTIPS +void wxListBox::ApplyToolTip( GtkTooltips *tips, const wxChar *tip ) { -}; + GList *child = m_list->children; + while (child) + { + gtk_tooltips_set_tip( tips, GTK_WIDGET( child->data ), wxConvCurrent->cWX2MB(tip), (gchar*) NULL ); + child = child->next; + } +} +#endif // wxUSE_TOOLTIPS -void wxListBox::SetStringSelection( const wxString &string, bool select ) +GtkWidget *wxListBox::GetConnectWidget() { - SetSelection( FindString(string), select ); -}; + return GTK_WIDGET(m_list); +} -int wxListBox::GetIndex( GtkWidget *item ) const +bool wxListBox::IsOwnGtkWindow( GdkWindow *window ) { - if (item) - { + if (GTK_WIDGET(m_list)->window == window) return TRUE; + GList *child = m_list->children; - int count = 0; while (child) { - if (GTK_WIDGET(child->data) == item) return count; - count++; - child = child->next; - }; - }; - return -1; -}; + GtkWidget *bin = GTK_WIDGET( child->data ); + if (bin->window == window) return TRUE; + child = child->next; + } + + return FALSE; +} -GtkWidget *wxListBox::GetDropTargetWidget(void) +void wxListBox::ApplyWidgetStyle() { - return GTK_WIDGET(m_list); -}; + SetWidgetStyle(); + + if (m_backgroundColour.Ok()) + { + GdkWindow *window = GTK_WIDGET(m_list)->window; + if ( 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; + } +} +void wxListBox::OnInternalIdle() +{ + wxCursor cursor = m_cursor; + if (g_globalCursor.Ok()) cursor = g_globalCursor; + + if (GTK_WIDGET(m_list)->window && cursor.Ok()) + { + /* I now set the cursor the anew in every OnInternalIdle call + as setting the cursor in a parent window also effects the + windows above so that checking for the current cursor is + not possible. */ + gdk_window_set_cursor( GTK_WIDGET(m_list)->window, cursor.GetCursor() ); + GList *child = m_list->children; + while (child) + { + GtkBin *bin = GTK_BIN( child->data ); + GtkWidget *label = GTK_WIDGET( bin->child ); + + if (!label->window) + break; + else + gdk_window_set_cursor( label->window, cursor.GetCursor() ); + + child = child->next; + } + } + + UpdateWindowUI(); +} + +wxSize wxListBox::DoGetBestSize() const +{ + int lbWidth = 100; // some defaults + int lbHeight = 110; + int wLine; + + // Find the widest line + for(int i = 0; i < GetCount(); i++) { + wxString str(GetString(i)); + GetTextExtent(str, &wLine, NULL); + lbWidth = wxMax(lbWidth, wLine); + } + + // Add room for the scrollbar + lbWidth += wxSystemSettings::GetMetric(wxSYS_VSCROLL_X); + + // And just a bit more + int cx, cy; + GetTextExtent("X", &cx, &cy); + lbWidth += 3 * cx; + + // don't make the listbox too tall (limit height to around 10 items) but don't + // make it too small neither + lbHeight = (cy+4) * wxMin(wxMax(GetCount(), 3), 10); + + return wxSize(lbWidth, lbHeight); +} + +#endif