X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1efb5db8961ac308d16ed3ae7930bd0b48c0520e..cecbc293c797739d152e062ba07f68bbdd8f02f5:/src/gtk/choice.cpp diff --git a/src/gtk/choice.cpp b/src/gtk/choice.cpp index 7d0df1ca0d..fa6221e50a 100644 --- a/src/gtk/choice.cpp +++ b/src/gtk/choice.cpp @@ -7,81 +7,43 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#include "wx/defs.h" +#include "wx/wxprec.h" -#if wxUSE_CHOICE +#if wxUSE_CHOICE || wxUSE_COMBOBOX #include "wx/choice.h" -#include "wx/arrstr.h" - -// FIXME: We use GtkOptionMenu which has been deprecated since GTK+ 2.3.0 in -// favour of GtkComboBox. -// Later use GtkComboBox if GTK+ runtime version is new enough. -#include -#if defined(GTK_DISABLE_DEPRECATED) && GTK_CHECK_VERSION(2,3,0) -#undef GTK_DISABLE_DEPRECATED + +#ifndef WX_PRECOMP + #include "wx/arrstr.h" #endif #include "wx/gtk/private.h" -//----------------------------------------------------------------------------- -// idle system -//----------------------------------------------------------------------------- - -extern void wxapp_install_idle_handler(); -extern bool g_isIdle; -//----------------------------------------------------------------------------- -// data -//----------------------------------------------------------------------------- - -extern bool g_blockEventsOnDrag; - -//----------------------------------------------------------------------------- -// "activate" -//----------------------------------------------------------------------------- +// ---------------------------------------------------------------------------- +// GTK callbacks +// ---------------------------------------------------------------------------- extern "C" { -static void gtk_choice_clicked_callback( GtkWidget *WXUNUSED(widget), wxChoice *choice ) -{ - if (g_isIdle) - wxapp_install_idle_handler(); - if (!choice->m_hasVMT) return; - - if (g_blockEventsOnDrag) return; - - int selection = wxNOT_FOUND; - - selection = gtk_option_menu_get_history( GTK_OPTION_MENU(choice->GetHandle()) ); - - choice->m_selection_hack = selection; - - wxCommandEvent event(wxEVT_COMMAND_CHOICE_SELECTED, choice->GetId() ); - int n = choice->GetSelection(); - - event.SetInt( n ); - event.SetString( choice->GetStringSelection() ); - event.SetEventObject(choice); - - if ( choice->HasClientObjectData() ) - event.SetClientObject( choice->GetClientObject(n) ); - else if ( choice->HasClientUntypedData() ) - event.SetClientData( choice->GetClientData(n) ); - - choice->GetEventHandler()->ProcessEvent(event); +static void +gtk_choice_changed_callback( GtkWidget *WXUNUSED(widget), wxChoice *choice ) +{ + choice->SendSelectionChangedEvent(wxEVT_COMMAND_CHOICE_SELECTED); } + } //----------------------------------------------------------------------------- // wxChoice //----------------------------------------------------------------------------- -IMPLEMENT_DYNAMIC_CLASS(wxChoice,wxControl) +IMPLEMENT_DYNAMIC_CLASS(wxChoice, wxControlWithItems) -wxChoice::wxChoice() +void wxChoice::Init() { - m_strings = (wxSortedArrayString *)NULL; + m_strings = NULL; + m_stringCellIndex = 0; } bool wxChoice::Create( wxWindow *parent, wxWindowID id, @@ -99,13 +61,9 @@ bool wxChoice::Create( wxWindow *parent, wxWindowID id, bool wxChoice::Create( wxWindow *parent, wxWindowID id, const wxPoint &pos, const wxSize &size, int n, const wxString choices[], - long style, const wxValidator& validator, const wxString &name ) + long style, const wxValidator& validator, + const wxString &name ) { - m_needParent = true; -#if (GTK_MINOR_VERSION > 0) - m_acceptsFocus = true; -#endif - if (!PreCreation( parent, pos, size ) || !CreateBase( parent, id, pos, size, style, validator, name )) { @@ -113,508 +71,318 @@ bool wxChoice::Create( wxWindow *parent, wxWindowID id, return false; } - m_widget = gtk_option_menu_new(); - - if ( style & wxCB_SORT ) + if ( IsSorted() ) { - // if our m_strings != NULL, DoAppend() will check for it and insert + // if our m_strings != NULL, Append() will check for it and insert // items in the correct order m_strings = new wxSortedArrayString; } - // begin with no selection - m_selection_hack = wxNOT_FOUND; - - GtkWidget *menu = gtk_menu_new(); - - for (int i = 0; i < n; i++) - { - GtkAddHelper(menu, i, choices[i]); - } + m_widget = gtk_combo_box_new_text(); + g_object_ref(m_widget); - gtk_option_menu_set_menu( GTK_OPTION_MENU(m_widget), menu ); + Append(n, choices); m_parent->DoAddChild( this ); PostCreation(size); - SetBestSize(size); // need this too because this is a wxControlWithItems + + g_signal_connect_after (m_widget, "changed", + G_CALLBACK (gtk_choice_changed_callback), this); return true; } wxChoice::~wxChoice() { - Clear(); - delete m_strings; } -int wxChoice::DoAppend( const wxString &item ) -{ - wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid choice control") ); - - GtkWidget *menu = gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ); - - return GtkAddHelper(menu, GetCount(), item); -} - -int wxChoice::DoInsert( const wxString &item, int pos ) +void wxChoice::SendSelectionChangedEvent(wxEventType evt_type) { - wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid choice control") ); - wxCHECK_MSG( (pos>=0) && (pos<=GetCount()), -1, wxT("invalid index")); + if (!m_hasVMT) + return; - if (pos == GetCount()) - return DoAppend(item); + if (GetSelection() == -1) + return; - GtkWidget *menu = gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ); + wxCommandEvent event( evt_type, GetId() ); - // if the item to insert is at or before the selection, and the selection is valid - if ((pos <= m_selection_hack) && (m_selection_hack != wxNOT_FOUND)) - { - // move the selection forward one - m_selection_hack++; - } + int n = GetSelection(); + event.SetInt( n ); + event.SetString( GetStringSelection() ); + event.SetEventObject( this ); + InitCommandEventWithItems( event, n ); - return GtkAddHelper(menu, pos, item); + HandleWindowEvent( event ); } -void wxChoice::DoSetItemClientData( int n, void* clientData ) +void wxChoice::GTKInsertComboBoxTextItem( unsigned int n, const wxString& text ) { - wxCHECK_RET( m_widget != NULL, wxT("invalid choice control") ); - - wxList::compatibility_iterator node = m_clientList.Item( n ); - wxCHECK_RET( node, wxT("invalid index in wxChoice::DoSetItemClientData") ); - - node->SetData( (wxObject*) clientData ); + gtk_combo_box_insert_text( GTK_COMBO_BOX( m_widget ), n, wxGTK_CONV( text ) ); } -void* wxChoice::DoGetItemClientData( int n ) const +int wxChoice::DoInsertItems(const wxArrayStringsAdapter & items, + unsigned int pos, + void **clientData, wxClientDataType type) { - wxCHECK_MSG( m_widget != NULL, NULL, wxT("invalid choice control") ); + wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid control") ); - wxList::compatibility_iterator node = m_clientList.Item( n ); - wxCHECK_MSG( node, NULL, wxT("invalid index in wxChoice::DoGetItemClientData") ); + wxASSERT_MSG( !IsSorted() || (pos == GetCount()), + _T("In a sorted choice data could only be appended")); - return node->GetData(); -} + const int count = items.GetCount(); -void wxChoice::DoSetItemClientObject( int n, wxClientData* clientData ) -{ - wxCHECK_RET( m_widget != NULL, wxT("invalid choice control") ); + int n = wxNOT_FOUND; - wxList::compatibility_iterator node = m_clientList.Item( n ); - wxCHECK_RET( node, wxT("invalid index in wxChoice::DoSetItemClientObject") ); + for ( int i = 0; i < count; ++i ) + { + n = pos + i; + // If sorted, use this wxSortedArrayStrings to determine + // the right insertion point + if(m_strings) + n = m_strings->Add(items[i]); - // wxItemContainer already deletes data for us + GTKInsertComboBoxTextItem( n, items[i] ); - node->SetData( (wxObject*) clientData ); -} - -wxClientData* wxChoice::DoGetItemClientObject( int n ) const -{ - wxCHECK_MSG( m_widget != NULL, (wxClientData*) NULL, wxT("invalid choice control") ); + m_clientData.Insert( NULL, n ); + AssignNewItemClientData(n, clientData, i, type); + } - wxList::compatibility_iterator node = m_clientList.Item( n ); - wxCHECK_MSG( node, (wxClientData *)NULL, - wxT("invalid index in wxChoice::DoGetItemClientObject") ); + InvalidateBestSize(); - return (wxClientData*) node->GetData(); + return n; } -void wxChoice::Clear() +void wxChoice::DoSetItemClientData(unsigned int n, void* clientData) { - wxCHECK_RET( m_widget != NULL, wxT("invalid choice") ); - - gtk_option_menu_remove_menu( GTK_OPTION_MENU(m_widget) ); - GtkWidget *menu = gtk_menu_new(); - gtk_option_menu_set_menu( GTK_OPTION_MENU(m_widget), menu ); - - 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! - wxList::compatibility_iterator node = m_clientList.GetFirst(); - while ( node ) - { - delete (wxClientData *)node->GetData(); - node = node->GetNext(); - } - } - m_clientList.Clear(); - - if ( m_strings ) - m_strings->Clear(); - - // begin with no selection - m_selection_hack = wxNOT_FOUND; + m_clientData[n] = clientData; } -void wxChoice::Delete( int n ) +void* wxChoice::DoGetItemClientData(unsigned int n) const { - wxCHECK_RET( m_widget != NULL, wxT("invalid choice") ); - - // VZ: apparently GTK+ doesn't have a built-in function to do it (not even - // in 2.0), hence this dumb implementation -- still better than nothing - int i, - count = GetCount(); - - wxCHECK_RET( n >= 0 && n < count, _T("invalid index in wxChoice::Delete") ); - - // if the item to delete is before the selection, and the selection is valid - if ((n < m_selection_hack) && (m_selection_hack != wxNOT_FOUND)) - { - // move the selection back one - m_selection_hack--; - } - else if (n == m_selection_hack) - { - // invalidate the selection - m_selection_hack = wxNOT_FOUND; - } + return m_clientData[n]; +} - const bool hasClientData = m_clientDataItemsType != wxClientData_None; - const bool hasObjectData = m_clientDataItemsType == wxClientData_Object; +void wxChoice::DoClear() +{ + wxCHECK_RET( m_widget != NULL, wxT("invalid control") ); - wxList::compatibility_iterator node = m_clientList.GetFirst(); + DisableEvents(); - wxArrayString items; - wxArrayPtrVoid itemsData; - items.Alloc(count); - for ( i = 0; i < count; i++ ) - { - if ( i != n ) - { - items.Add(GetString(i)); - if ( hasClientData ) - { - // also save the client data - itemsData.Add(node->GetData()); - } - } - else // need to delete the client object too - { - if ( hasObjectData ) - { - delete (wxClientData *)node->GetData(); - } - } + GtkComboBox* combobox = GTK_COMBO_BOX( m_widget ); + GtkTreeModel* model = gtk_combo_box_get_model( combobox ); + gtk_list_store_clear(GTK_LIST_STORE(model)); - if ( hasClientData ) - { - node = node->GetNext(); - } - } + m_clientData.Clear(); - if ( hasObjectData ) - { - // prevent Clear() from destroying all client data - m_clientDataItemsType = wxClientData_None; - } + if (m_strings) + m_strings->Clear(); - Clear(); + EnableEvents(); - for ( i = 0; i < count - 1; i++ ) - { - Append(items[i]); - - if ( hasObjectData ) - SetClientObject(i, (wxClientData *)itemsData[i]); - else if ( hasClientData ) - SetClientData(i, itemsData[i]); - } + InvalidateBestSize(); } -int wxChoice::FindString( const wxString &string, bool bCase ) const +void wxChoice::DoDeleteOneItem(unsigned int n) { - wxCHECK_MSG( m_widget != NULL, wxNOT_FOUND, wxT("invalid choice") ); + wxCHECK_RET( m_widget != NULL, wxT("invalid control") ); + wxCHECK_RET( IsValid(n), _T("invalid index in wxChoice::Delete") ); + + GtkComboBox* combobox = GTK_COMBO_BOX( m_widget ); + GtkTreeModel* model = gtk_combo_box_get_model( combobox ); + GtkListStore* store = GTK_LIST_STORE(model); + GtkTreeIter iter; + gtk_tree_model_iter_nth_child( model, &iter, + NULL, (gint) n ); + gtk_list_store_remove( store, &iter ); + + m_clientData.RemoveAt( n ); + if ( m_strings ) + m_strings->RemoveAt( n ); - // If you read this code once and you think you understand - // it, then you are very wrong. Robert Roebling. + InvalidateBestSize(); +} - GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) ); +int wxChoice::FindString( const wxString &item, bool bCase ) const +{ + wxCHECK_MSG( m_widget != NULL, wxNOT_FOUND, wxT("invalid control") ); + + GtkComboBox* combobox = GTK_COMBO_BOX( m_widget ); + GtkTreeModel* model = gtk_combo_box_get_model( combobox ); + GtkTreeIter iter; + gtk_tree_model_get_iter_first( model, &iter ); + if (!gtk_list_store_iter_is_valid(GTK_LIST_STORE(model), &iter )) + return -1; int count = 0; - GList *child = menu_shell->children; - while (child) + do { - GtkBin *bin = GTK_BIN( child->data ); - GtkLabel *label = (GtkLabel *) NULL; - if (bin->child) - label = GTK_LABEL(bin->child); - if (!label) - label = GTK_LABEL(GTK_BIN(m_widget)->child); - - wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") ); + GValue value = { 0, }; + gtk_tree_model_get_value( model, &iter, m_stringCellIndex, &value ); + wxString str = wxGTK_CONV_BACK( g_value_get_string( &value ) ); + g_value_unset( &value ); - wxString tmp( wxGTK_CONV_BACK( gtk_label_get_text( label) ) ); - if (string.IsSameAs( tmp, bCase )) + if (item.IsSameAs( str, bCase ) ) return count; - child = child->next; count++; } + while ( gtk_tree_model_iter_next(model, &iter) ); return wxNOT_FOUND; } int wxChoice::GetSelection() const { - wxCHECK_MSG( m_widget != NULL, wxNOT_FOUND, wxT("invalid choice") ); - - return m_selection_hack; - + return gtk_combo_box_get_active( GTK_COMBO_BOX( m_widget ) ); } -void wxChoice::SetString( int n, const wxString& str ) +void wxChoice::SetString(unsigned int n, const wxString &text) { - wxCHECK_RET( m_widget != NULL, wxT("invalid choice") ); + wxCHECK_RET( m_widget != NULL, wxT("invalid control") ); - GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) ); - int count = 0; - GList *child = menu_shell->children; - while (child) - { - GtkBin *bin = GTK_BIN( child->data ); - if (count == n) - { - GtkLabel *label = (GtkLabel *) NULL; - if (bin->child) - label = GTK_LABEL(bin->child); - if (!label) - label = GTK_LABEL(GTK_BIN(m_widget)->child); - - wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") ); + GtkComboBox* combobox = GTK_COMBO_BOX( m_widget ); + wxCHECK_RET( IsValid(n), wxT("invalid index") ); - gtk_label_set_text( label, wxGTK_CONV( str ) ); - - return; - } - child = child->next; - count++; + GtkTreeModel *model = gtk_combo_box_get_model( combobox ); + GtkTreeIter iter; + if (gtk_tree_model_iter_nth_child (model, &iter, NULL, n)) + { + GValue value = { 0, }; + g_value_init( &value, G_TYPE_STRING ); + g_value_set_string( &value, wxGTK_CONV( text ) ); + gtk_list_store_set_value( GTK_LIST_STORE(model), &iter, m_stringCellIndex, &value ); + g_value_unset( &value ); } + + InvalidateBestSize(); } -wxString wxChoice::GetString( int n ) const +wxString wxChoice::GetString(unsigned int n) const { - wxCHECK_MSG( m_widget != NULL, wxEmptyString, wxT("invalid choice") ); + wxCHECK_MSG( m_widget != NULL, wxEmptyString, wxT("invalid control") ); - GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) ); - int count = 0; - GList *child = menu_shell->children; - while (child) - { - GtkBin *bin = GTK_BIN( child->data ); - if (count == n) - { - GtkLabel *label = (GtkLabel *) NULL; - if (bin->child) - label = GTK_LABEL(bin->child); - if (!label) - label = GTK_LABEL(GTK_BIN(m_widget)->child); - - wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") ); + wxString str; - return wxString( wxGTK_CONV_BACK( gtk_label_get_text( label) ) ); - } - child = child->next; - count++; + GtkComboBox* combobox = GTK_COMBO_BOX( m_widget ); + GtkTreeModel *model = gtk_combo_box_get_model( combobox ); + GtkTreeIter iter; + if (gtk_tree_model_iter_nth_child (model, &iter, NULL, n)) + { + GValue value = { 0, }; + gtk_tree_model_get_value( model, &iter, m_stringCellIndex, &value ); + wxString tmp = wxGTK_CONV_BACK( g_value_get_string( &value ) ); + g_value_unset( &value ); + return tmp; } - wxFAIL_MSG( wxT("wxChoice: invalid index in GetString()") ); - - return wxEmptyString; + return str; } -int wxChoice::GetCount() const +unsigned int wxChoice::GetCount() const { - wxCHECK_MSG( m_widget != NULL, 0, wxT("invalid choice") ); - - GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) ); - int count = 0; - GList *child = menu_shell->children; - while (child) - { - count++; - child = child->next; - } - return count; + wxCHECK_MSG( m_widget != NULL, 0, wxT("invalid control") ); + + GtkComboBox* combobox = GTK_COMBO_BOX( m_widget ); + GtkTreeModel* model = gtk_combo_box_get_model( combobox ); + GtkTreeIter iter; + gtk_tree_model_get_iter_first( model, &iter ); + if (!gtk_list_store_iter_is_valid(GTK_LIST_STORE(model), &iter )) + return 0; + unsigned int ret = 1; + while (gtk_tree_model_iter_next( model, &iter )) + ret++; + return ret; } void wxChoice::SetSelection( int n ) { - wxCHECK_RET( m_widget != NULL, wxT("invalid choice") ); + wxCHECK_RET( m_widget != NULL, wxT("invalid control") ); - int tmp = n; - gtk_option_menu_set_history( GTK_OPTION_MENU(m_widget), (gint)tmp ); + DisableEvents(); - // set the local selection variable manually - if ((n >= 0) && (n < GetCount())) - { - // a valid selection has been made - m_selection_hack = n; - } - else if ((n == wxNOT_FOUND) || (GetCount() == 0)) - { - // invalidates the selection if there are no items - // or if it is specifically set to wxNOT_FOUND - m_selection_hack = wxNOT_FOUND; - } - else - { - // this selects the first item by default if the selection is out of bounds - m_selection_hack = 0; - } + GtkComboBox* combobox = GTK_COMBO_BOX( m_widget ); + gtk_combo_box_set_active( combobox, n ); + + EnableEvents(); } -void wxChoice::DoApplyWidgetStyle(GtkRcStyle *style) +void wxChoice::SetColumns(int n) { - GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) ); - - gtk_widget_modify_style( m_widget, style ); - gtk_widget_modify_style( GTK_WIDGET( menu_shell ), style ); - - GList *child = menu_shell->children; - while (child) - { - gtk_widget_modify_style( GTK_WIDGET( child->data ), style ); - - GtkBin *bin = GTK_BIN( child->data ); - GtkWidget *label = (GtkWidget *) NULL; - if (bin->child) - label = bin->child; - if (!label) - label = GTK_BIN(m_widget)->child; - - gtk_widget_modify_style( label, style ); - - child = child->next; - } + gtk_combo_box_set_wrap_width(GTK_COMBO_BOX(m_widget), n); } -int wxChoice::GtkAddHelper(GtkWidget *menu, int pos, const wxString& item) +int wxChoice::GetColumns() const { - wxCHECK_MSG((pos>=0) && (pos<=(int)m_clientList.GetCount()), -1, wxT("invalid index")); - - GtkWidget *menu_item = gtk_menu_item_new_with_label( wxGTK_CONV( item ) ); - - size_t index; - if ( m_strings ) - { - // sorted control, need to insert at the correct index - index = m_strings->Add(item); - - gtk_menu_shell_insert( GTK_MENU_SHELL(menu), menu_item, index ); - - if ( index ) - { - m_clientList.Insert( m_clientList.Item(index - 1), - (wxObject*) NULL ); - } - else - { - m_clientList.Insert( (wxObject*) NULL ); - } - } - else - { - // don't call wxChoice::GetCount() from here because it doesn't work - // if we're called from ctor (and GtkMenuShell is still NULL) - - // normal control, just append - if (pos == (int)m_clientList.GetCount()) - { - gtk_menu_shell_append( GTK_MENU_SHELL(menu), menu_item ); - m_clientList.Append( (wxObject*) NULL ); - index = m_clientList.GetCount() - 1; - } - else - { - gtk_menu_shell_insert( GTK_MENU_SHELL(menu), menu_item, pos ); - m_clientList.Insert( pos, (wxObject*) NULL ); - index = pos; - } - } - - if (GTK_WIDGET_REALIZED(m_widget)) - { - gtk_widget_realize( menu_item ); - gtk_widget_realize( GTK_BIN(menu_item)->child ); + // gtk_combo_box_get_wrap_width() was added in gtk 2.6 + gint intval; + g_object_get(G_OBJECT(m_widget), "wrap-width", &intval, NULL); + return intval; +} - ApplyWidgetStyle(); - } - // The best size of a wxChoice should probably - // be changed everytime the control has been - // changed, but at least after adding an item - // it has to change. Adapted from Matt Ownby. - InvalidateBestSize(); +void wxChoice::DisableEvents() +{ + g_signal_handlers_block_by_func(m_widget, + (gpointer) gtk_choice_changed_callback, this); +} - g_signal_connect_after (menu_item, "activate", - G_CALLBACK (gtk_choice_clicked_callback), - this); +void wxChoice::EnableEvents() +{ + g_signal_handlers_unblock_by_func(m_widget, + (gpointer) gtk_choice_changed_callback, this); +} - gtk_widget_show( menu_item ); - // return the index of the item in the control - return index; +GdkWindow *wxChoice::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const +{ + return m_widget->window; } +// Notice that this method shouldn't be necessary, because GTK calculates +// properly size of the combobox but for unknown reasons it doesn't work +// correctly in wx without this. wxSize wxChoice::DoGetBestSize() const { + // strangely, this returns a width of 188 pixels from GTK+ (?) wxSize ret( wxControl::DoGetBestSize() ); // we know better our horizontal extent: it depends on the longest string - // we have - ret.x = 0; + // in the combobox if ( m_widget ) { + ret.x = GetCount() > 0 ? 0 : 60; // start with something "sensible" int width; - size_t count = GetCount(); - for ( size_t n = 0; n < count; n++ ) + unsigned int count = GetCount(); + for ( unsigned int n = 0; n < count; n++ ) { - GetTextExtent( GetString(n), &width, NULL, NULL, NULL ); - if ( width > ret.x ) - ret.x = width; + GetTextExtent(GetString(n), &width, NULL, NULL, NULL ); + if ( width + 40 > ret.x ) // 40 for drop down arrow and space around text + ret.x = width + 40; } - - // add extra for the choice "=" button - - // VZ: I don't know how to get the right value, it seems to be in - // GtkOptionMenuProps struct from gtkoptionmenu.c but we can't get - // to it - maybe we can use gtk_option_menu_size_request() for this - // somehow? - // - // This default value works only for the default GTK+ theme (i.e. - // no theme at all) (FIXME) - static const int widthChoiceIndicator = 35; - ret.x += widthChoiceIndicator; } - // but not less than the minimal width - if ( ret.x < 80 ) + // empty combobox should have some reasonable default size too + if ((GetCount() == 0) && (ret.x < 80)) ret.x = 80; - // If this request_size is called with no entries then - // the returned height is wrong. Give it a reasonable - // default value. - if (ret.y <= 18) - ret.y = 8 + GetCharHeight(); - CacheBestSize(ret); return ret; } -bool wxChoice::IsOwnGtkWindow( GdkWindow *window ) +void wxChoice::DoApplyWidgetStyle(GtkRcStyle *style) { - return GTK_BUTTON(m_widget)->event_window; + gtk_widget_modify_style(m_widget, style); + gtk_widget_modify_style(GTK_BIN(m_widget)->child, style); } + // static wxVisualAttributes wxChoice::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) { - return GetDefaultAttributesFromGTKWidget(gtk_option_menu_new); + return GetDefaultAttributesFromGTKWidget(gtk_combo_box_new); } -#endif // wxUSE_CHOICE +#endif // wxUSE_CHOICE || wxUSE_COMBOBOX