X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/58b907f6e1ba4a25a99ce65e044fbd4285905aaf..67afffcd05e53e20503b7b64215b6c272ac75e47:/src/gtk/combobox.cpp diff --git a/src/gtk/combobox.cpp b/src/gtk/combobox.cpp index e5dd27f1ea..27ad2e756c 100644 --- a/src/gtk/combobox.cpp +++ b/src/gtk/combobox.cpp @@ -1,159 +1,70 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: combobox.cpp +// Name: src/gtk/combobox.cpp // Purpose: // Author: Robert Roebling -// Id: $Id$ // Copyright: (c) 1998 Robert Roebling // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) -#pragma implementation "combobox.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" -#include "wx/combobox.h" - #if wxUSE_COMBOBOX -#include "wx/settings.h" -#include "wx/arrstr.h" -#include "wx/intl.h" +#include "wx/combobox.h" -#include "wx/textctrl.h" // for wxEVT_COMMAND_TEXT_UPDATED +#ifndef WX_PRECOMP + #include "wx/intl.h" + #include "wx/settings.h" + #include "wx/textctrl.h" // for wxEVT_TEXT + #include "wx/arrstr.h" +#endif +#include #include "wx/gtk/private.h" +#include "wx/gtk/private/gtk2-compat.h" -//----------------------------------------------------------------------------- -// idle system -//----------------------------------------------------------------------------- - -extern void wxapp_install_idle_handler(); -extern bool g_isIdle; - -//----------------------------------------------------------------------------- -// data -//----------------------------------------------------------------------------- - -extern bool g_blockEventsOnDrag; -static int g_SelectionBeforePopup = -1; -//----------------------------------------------------------------------------- -// "changed" - typing and list item matches get changed, select-child -// if it doesn't match an item then just get a single changed -//----------------------------------------------------------------------------- +// ---------------------------------------------------------------------------- +// GTK callbacks +// ---------------------------------------------------------------------------- +extern "C" { static void -gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo ) +gtkcombobox_text_changed_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo ) { - if (g_isIdle) wxapp_install_idle_handler(); - - if (combo->m_ignoreNextUpdate) - { - combo->m_ignoreNextUpdate = false; - return; - } - - if (!combo->m_hasVMT) return; - - wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, combo->GetId() ); + wxCommandEvent event( wxEVT_TEXT, combo->GetId() ); event.SetString( combo->GetValue() ); event.SetEventObject( combo ); - combo->GetEventHandler()->ProcessEvent( event ); + combo->HandleWindowEvent( event ); } static void -gtk_dummy_callback(GtkEntry *WXUNUSED(entry), GtkCombo *WXUNUSED(combo)) +gtkcombobox_changed_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo ) { + combo->SendSelectionChangedEvent(wxEVT_COMBOBOX); } static void -gtk_popup_hide_callback(GtkCombo *WXUNUSED(gtk_combo), wxComboBox *combo) -{ - // when the popup is hidden, throw a SELECTED event only if the combobox - // selection changed. - int curSelection = combo->GetSelection(); - if (g_SelectionBeforePopup != curSelection) - { - wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, combo->GetId() ); - event.SetInt( curSelection ); - event.SetString( combo->GetStringSelection() ); - event.SetEventObject( combo ); - combo->GetEventHandler()->ProcessEvent( event ); - } - - // reset the selection flag to an identifiable value - g_SelectionBeforePopup = -1; -} - -static void -gtk_popup_show_callback(GtkCombo *WXUNUSED(gtk_combo), wxComboBox *combo) -{ - // store the combobox selection value before the popup is shown - g_SelectionBeforePopup = combo->GetSelection(); +gtkcombobox_popupshown_callback(GObject *WXUNUSED(gobject), + GParamSpec *WXUNUSED(param_spec), + wxComboBox *combo) +{ + gboolean isShown; + g_object_get( combo->m_widget, "popup-shown", &isShown, NULL ); + wxCommandEvent event( isShown ? wxEVT_COMBOBOX_DROPDOWN + : wxEVT_COMBOBOX_CLOSEUP, + combo->GetId() ); + event.SetEventObject( combo ); + combo->HandleWindowEvent( event ); } -//----------------------------------------------------------------------------- -// "select-child" - click/cursor get select-child, changed, select-child -//----------------------------------------------------------------------------- - -static void -gtk_combo_select_child_callback( GtkList *WXUNUSED(list), GtkWidget *WXUNUSED(widget), wxComboBox *combo ) -{ - if (g_isIdle) wxapp_install_idle_handler(); - - if (!combo->m_hasVMT) return; - - if (g_blockEventsOnDrag) return; - - int curSelection = combo->GetSelection(); - - if (combo->m_prevSelection == curSelection) return; - - GtkWidget *list = GTK_COMBO(combo->m_widget)->list; - gtk_list_unselect_item( GTK_LIST(list), combo->m_prevSelection ); - - combo->m_prevSelection = curSelection; - - // Quickly set the value of the combo box - // as GTK+ does that only AFTER the event - // is sent. - gtk_signal_disconnect_by_func( GTK_OBJECT(GTK_COMBO(combo->GetHandle())->entry), - GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)combo ); - combo->SetValue( combo->GetStringSelection() ); - gtk_signal_connect_after( GTK_OBJECT(GTK_COMBO(combo->GetHandle())->entry), "changed", - GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)combo ); - - // throw a SELECTED event only if the combobox popup is hidden - // because when combobox popup is shown, gtk_combo_select_child_callback is - // called each times the mouse is over an item with a pressed button so a lot - // of SELECTED event could be generated if the user keep the mouse button down - // and select other items ... - if (g_SelectionBeforePopup == -1) - { - wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, combo->GetId() ); - event.SetInt( curSelection ); - event.SetString( combo->GetStringSelection() ); - event.SetEventObject( combo ); - combo->GetEventHandler()->ProcessEvent( event ); - } - - // Now send the event ourselves - wxCommandEvent event2( wxEVT_COMMAND_TEXT_UPDATED, combo->GetId() ); - event2.SetString( combo->GetValue() ); - event2.SetEventObject( combo ); - combo->GetEventHandler()->ProcessEvent( event2 ); } //----------------------------------------------------------------------------- // wxComboBox //----------------------------------------------------------------------------- -IMPLEMENT_DYNAMIC_CLASS(wxComboBox,wxControl) - -BEGIN_EVENT_TABLE(wxComboBox, wxControl) - EVT_SIZE(wxComboBox::OnSize) +BEGIN_EVENT_TABLE(wxComboBox, wxChoice) EVT_CHAR(wxComboBox::OnChar) EVT_MENU(wxID_CUT, wxComboBox::OnCut) @@ -173,6 +84,17 @@ BEGIN_EVENT_TABLE(wxComboBox, wxControl) EVT_UPDATE_UI(wxID_SELECTALL, wxComboBox::OnUpdateSelectAll) END_EVENT_TABLE() +wxComboBox::~wxComboBox() +{ + if (m_entry) + GTKDisconnect(m_entry); +} + +void wxComboBox::Init() +{ + m_entry = NULL; +} + bool wxComboBox::Create( wxWindow *parent, wxWindowID id, const wxString& value, const wxPoint& pos, const wxSize& size, @@ -192,11 +114,6 @@ bool wxComboBox::Create( wxWindow *parent, wxWindowID id, const wxString& value, long style, const wxValidator& validator, const wxString& name ) { - m_ignoreNextUpdate = false; - m_needParent = true; - m_acceptsFocus = true; - m_prevSelection = 0; - if (!PreCreation( parent, pos, size ) || !CreateBase( parent, id, pos, size, style, validator, name )) { @@ -204,765 +121,206 @@ bool wxComboBox::Create( wxWindow *parent, wxWindowID id, const wxString& value, return false; } - m_widget = gtk_combo_new(); - GtkCombo *combo = GTK_COMBO(m_widget); + if (HasFlag(wxCB_SORT)) + m_strings = new wxGtkCollatedArrayString(); - // Disable GTK's broken events ... - gtk_signal_disconnect( GTK_OBJECT(combo->entry), combo->entry_change_id ); - // ... and add surogate handler. - combo->entry_change_id = gtk_signal_connect (GTK_OBJECT (combo->entry), "changed", - (GtkSignalFunc) gtk_dummy_callback, combo); + GTKCreateComboBoxWidget(); - // make it more useable - gtk_combo_set_use_arrows_always( GTK_COMBO(m_widget), TRUE ); - - // and case-sensitive - gtk_combo_set_case_sensitive( GTK_COMBO(m_widget), TRUE ); - -#ifdef __WXGTK20__ - if (style & wxNO_BORDER) - g_object_set( GTK_ENTRY( combo->entry ), "has-frame", FALSE, NULL ); -#endif - - GtkWidget *list = GTK_COMBO(m_widget)->list; - -#ifndef __WXGTK20__ - // gtk_list_set_selection_mode( GTK_LIST(list), GTK_SELECTION_MULTIPLE ); -#endif - - for (int i = 0; i < n; i++) + if (HasFlag(wxBORDER_NONE)) { - GtkWidget *list_item = gtk_list_item_new_with_label( wxGTK_CONV( choices[i] ) ); - - m_clientDataList.Append( (wxObject*)NULL ); - m_clientObjectList.Append( (wxObject*)NULL ); - - gtk_container_add( GTK_CONTAINER(list), list_item ); - - gtk_widget_show( list_item ); + // Doesn't seem to work + // g_object_set (m_widget, "has-frame", FALSE, NULL); } - m_parent->DoAddChild( this ); - - m_focusWidget = combo->entry; - - PostCreation(size); + GtkEntry * const entry = GetEntry(); - ConnectWidget( combo->button ); - - // MSW's combo box shows the value and the selection is -1 - gtk_entry_set_text( GTK_ENTRY(combo->entry), wxGTK_CONV(value) ); - gtk_list_unselect_all( GTK_LIST(combo->list) ); - - if (style & wxCB_READONLY) - gtk_entry_set_editable( GTK_ENTRY( combo->entry ), FALSE ); - - // "show" and "hide" events are generated when user click on the combobox button which popups a list - // this list is the "popwin" gtk widget - gtk_signal_connect( GTK_OBJECT(GTK_COMBO(combo)->popwin), "hide", - GTK_SIGNAL_FUNC(gtk_popup_hide_callback), (gpointer)this ); - gtk_signal_connect( GTK_OBJECT(GTK_COMBO(combo)->popwin), "show", - GTK_SIGNAL_FUNC(gtk_popup_show_callback), (gpointer)this ); - - gtk_signal_connect_after( GTK_OBJECT(combo->entry), "changed", - GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this ); - - gtk_signal_connect_after( GTK_OBJECT(combo->list), "select-child", - GTK_SIGNAL_FUNC(gtk_combo_select_child_callback), (gpointer)this ); - - SetBestSize(size); // need this too because this is a wxControlWithItems - - // This is required for tool bar support - wxSize setsize = GetSize(); - gtk_widget_set_usize( m_widget, setsize.x, setsize.y ); - - return true; -} - -wxComboBox::~wxComboBox() -{ - wxList::compatibility_iterator node = m_clientObjectList.GetFirst(); - while (node) + if ( entry ) { - wxClientData *cd = (wxClientData*)node->GetData(); - if (cd) delete cd; - node = node->GetNext(); - } - m_clientObjectList.Clear(); + // Set it up to trigger default item on enter key press + gtk_entry_set_activates_default( entry, + !HasFlag(wxTE_PROCESS_ENTER) ); - m_clientDataList.Clear(); -} - -void wxComboBox::SetFocus() -{ - if ( m_hasFocus ) - { - // don't do anything if we already have focus - return; + gtk_editable_set_editable(GTK_EDITABLE(entry), true); } - gtk_widget_grab_focus( m_focusWidget ); -} - -int wxComboBox::DoAppend( const wxString &item ) -{ - wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid combobox") ); + Append(n, choices); - DisableEvents(); - - GtkWidget *list = GTK_COMBO(m_widget)->list; - - GtkWidget *list_item = gtk_list_item_new_with_label( wxGTK_CONV( item ) ); - - gtk_container_add( GTK_CONTAINER(list), list_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 - GtkRcStyle *style = CreateWidgetStyle(); - if (style) - { - gtk_widget_modify_style( GTK_WIDGET( list_item ), style ); - GtkBin *bin = GTK_BIN( list_item ); - GtkWidget *label = GTK_WIDGET( bin->child ); - gtk_widget_modify_style( label, style ); - gtk_rc_style_unref( style ); - } - - gtk_widget_show( list_item ); - - const int count = GetCount(); - - if ( (int)m_clientDataList.GetCount() < count ) - m_clientDataList.Append( (wxObject*) NULL ); - if ( (int)m_clientObjectList.GetCount() < count ) - m_clientObjectList.Append( (wxObject*) NULL ); - - EnableEvents(); - - InvalidateBestSize(); - - return count - 1; -} - -int wxComboBox::DoInsert( const wxString &item, int pos ) -{ - wxCHECK_MSG( !(GetWindowStyle() & wxCB_SORT), -1, - wxT("can't insert into sorted list")); - - wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid combobox") ); - - int count = GetCount(); - wxCHECK_MSG( (pos >= 0) && (pos <= count), -1, wxT("invalid index") ); - - if (pos == count) - return Append(item); - - DisableEvents(); - - GtkWidget *list = GTK_COMBO(m_widget)->list; - - GtkWidget *list_item = gtk_list_item_new_with_label( wxGTK_CONV( item ) ); - - GList *gitem_list = g_list_alloc (); - gitem_list->data = list_item; - gtk_list_insert_items( GTK_LIST (list), gitem_list, pos ); - - if (GTK_WIDGET_REALIZED(m_widget)) - { - gtk_widget_realize( list_item ); - gtk_widget_realize( GTK_BIN(list_item)->child ); - - ApplyWidgetStyle(); - } - - gtk_widget_show( list_item ); - - count = GetCount(); - - if ( (int)m_clientDataList.GetCount() < count ) - m_clientDataList.Insert( pos, (wxObject*) NULL ); - if ( (int)m_clientObjectList.GetCount() < count ) - m_clientObjectList.Insert( pos, (wxObject*) NULL ); - - EnableEvents(); - - InvalidateBestSize(); - - return pos; -} - -void wxComboBox::DoSetItemClientData( int n, void* clientData ) -{ - wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") ); - - wxList::compatibility_iterator node = m_clientDataList.Item( n ); - if (!node) return; - - node->SetData( (wxObject*) clientData ); -} - -void* wxComboBox::DoGetItemClientData( int n ) const -{ - wxCHECK_MSG( m_widget != NULL, NULL, wxT("invalid combobox") ); - - wxList::compatibility_iterator node = m_clientDataList.Item( n ); - - return node ? node->GetData() : NULL; -} - -void wxComboBox::DoSetItemClientObject( int n, wxClientData* clientData ) -{ - wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") ); - - wxList::compatibility_iterator node = m_clientObjectList.Item( n ); - if (!node) return; - - // wxItemContainer already deletes data for us - - node->SetData( (wxObject*) clientData ); -} - -wxClientData* wxComboBox::DoGetItemClientObject( int n ) const -{ - wxCHECK_MSG( m_widget != NULL, (wxClientData*)NULL, wxT("invalid combobox") ); - - wxList::compatibility_iterator node = m_clientObjectList.Item( n ); - - return node ? (wxClientData*) node->GetData() : NULL; -} - -void wxComboBox::Clear() -{ - wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") ); - - DisableEvents(); - - GtkWidget *list = GTK_COMBO(m_widget)->list; - gtk_list_clear_items( GTK_LIST(list), 0, GetCount() ); - - wxList::compatibility_iterator node = m_clientObjectList.GetFirst(); - while (node) - { - wxClientData *cd = (wxClientData*)node->GetData(); - if (cd) delete cd; - node = node->GetNext(); - } - m_clientObjectList.Clear(); - - m_clientDataList.Clear(); - - EnableEvents(); - - InvalidateBestSize(); -} - -void wxComboBox::Delete( int n ) -{ - wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") ); + m_parent->DoAddChild( this ); - GtkList *listbox = GTK_LIST( GTK_COMBO(m_widget)->list ); + if ( entry ) + m_focusWidget = GTK_WIDGET( entry ); - GList *child = g_list_nth( listbox->children, n ); + PostCreation(size); - if (!child) + if ( entry ) { - wxFAIL_MSG(wxT("wrong index")); - return; - } - - DisableEvents(); + if (style & wxCB_READONLY) + { + // this will assert and do nothing if the value is not in our list + // of strings which is the desired behaviour (for consistency with + // wxMSW and also because it doesn't make sense to have a string + // which is not a possible choice in a read-only combobox) + SetStringSelection(value); + gtk_editable_set_editable(GTK_EDITABLE(entry), false); + } + else // editable combobox + { + // any value is accepted, even if it's not in our list + gtk_entry_set_text( entry, wxGTK_CONV(value) ); + } - GList *list = g_list_append( (GList*) NULL, child->data ); - gtk_list_remove_items( listbox, list ); - g_list_free( list ); + g_signal_connect_after (entry, "changed", + G_CALLBACK (gtkcombobox_text_changed_callback), this); - wxList::compatibility_iterator node = m_clientObjectList.Item( n ); - if (node) - { - wxClientData *cd = (wxClientData*)node->GetData(); - if (cd) delete cd; - m_clientObjectList.Erase( node ); + GTKConnectInsertTextSignal(entry); + GTKConnectClipboardSignals(GTK_WIDGET(entry)); } - node = m_clientDataList.Item( n ); - if (node) - m_clientDataList.Erase( node ); - - EnableEvents(); - - InvalidateBestSize(); -} - -void wxComboBox::SetString(int n, const wxString &text) -{ - wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") ); + g_signal_connect_after (m_widget, "changed", + G_CALLBACK (gtkcombobox_changed_callback), this); - GtkWidget *list = GTK_COMBO(m_widget)->list; - - GList *child = g_list_nth( GTK_LIST(list)->children, n ); - if (child) - { - GtkBin *bin = GTK_BIN( child->data ); - GtkLabel *label = GTK_LABEL( bin->child ); - gtk_label_set_text(label, wxGTK_CONV(text)); - } - else +#ifndef __WXGTK3__ + if ( !gtk_check_version(2,10,0) ) +#endif { - wxFAIL_MSG( wxT("wxComboBox: wrong index") ); + g_signal_connect (m_widget, "notify::popup-shown", + G_CALLBACK (gtkcombobox_popupshown_callback), this); } - InvalidateBestSize(); + return true; } -int wxComboBox::FindString( const wxString &item ) const +void wxComboBox::GTKCreateComboBoxWidget() { - wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid combobox") ); - - GtkWidget *list = GTK_COMBO(m_widget)->list; - - GList *child = GTK_LIST(list)->children; - int count = 0; - while (child) - { - GtkBin *bin = GTK_BIN( child->data ); - GtkLabel *label = GTK_LABEL( bin->child ); -#ifdef __WXGTK20__ - wxString str( wxGTK_CONV_BACK( gtk_label_get_text(label) ) ); +#ifdef __WXGTK3__ + m_widget = gtk_combo_box_text_new_with_entry(); #else - wxString str( label->label ); + m_widget = gtk_combo_box_entry_new_text(); #endif - if (item == str) - return count; - - count++; - child = child->next; - } + g_object_ref(m_widget); - return wxNOT_FOUND; + m_entry = GTK_ENTRY(gtk_bin_get_child(GTK_BIN(m_widget))); } -int wxComboBox::GetSelection() const +GtkEditable *wxComboBox::GetEditable() const { - wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid combobox") ); - - GtkWidget *list = GTK_COMBO(m_widget)->list; - - GList *selection = GTK_LIST(list)->selection; - if (selection) - { - GList *child = GTK_LIST(list)->children; - int count = 0; - while (child) - { - if (child->data == selection->data) return count; - count++; - child = child->next; - } - } - - return -1; + return GTK_EDITABLE(gtk_bin_get_child(GTK_BIN(m_widget))); } -wxString wxComboBox::GetString( int n ) const +void wxComboBox::OnChar( wxKeyEvent &event ) { - wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid combobox") ); - - GtkWidget *list = GTK_COMBO(m_widget)->list; - - wxString str; - GList *child = g_list_nth( GTK_LIST(list)->children, n ); - if (child) + switch ( event.GetKeyCode() ) { - GtkBin *bin = GTK_BIN( child->data ); - GtkLabel *label = GTK_LABEL( bin->child ); -#ifdef __WXGTK20__ - str = wxGTK_CONV_BACK( gtk_label_get_text(label) ); -#else - str = wxString( label->label ); -#endif - } - else - { - wxFAIL_MSG( wxT("wxComboBox: wrong index") ); + case WXK_RETURN: + if ( HasFlag(wxTE_PROCESS_ENTER) && GetEntry() ) + { + // GTK automatically selects an item if its in the list + wxCommandEvent eventEnter(wxEVT_TEXT_ENTER, GetId()); + eventEnter.SetString( GetValue() ); + eventEnter.SetInt( GetSelection() ); + eventEnter.SetEventObject( this ); + + if ( HandleWindowEvent(eventEnter) ) + { + // Catch GTK event so that GTK doesn't open the drop + // down list upon RETURN. + return; + } + } + break; } - return str; + event.Skip(); } -wxString wxComboBox::GetStringSelection() const +void wxComboBox::EnableTextChangedEvents(bool enable) { - wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid combobox") ); - - GtkWidget *list = GTK_COMBO(m_widget)->list; + if ( !GetEntry() ) + return; - GList *selection = GTK_LIST(list)->selection; - if (selection) + if ( enable ) { - GtkBin *bin = GTK_BIN( selection->data ); - GtkLabel *label = GTK_LABEL( bin->child ); -#ifdef __WXGTK20__ - wxString tmp( wxGTK_CONV_BACK( gtk_label_get_text(label) ) ); -#else - wxString tmp( label->label ); -#endif - return tmp; + g_signal_handlers_unblock_by_func(gtk_bin_get_child(GTK_BIN(m_widget)), + (gpointer)gtkcombobox_text_changed_callback, this); } - - wxFAIL_MSG( wxT("wxComboBox: no selection") ); - - return wxT(""); -} - -int wxComboBox::GetCount() const -{ - wxCHECK_MSG( m_widget != NULL, 0, wxT("invalid combobox") ); - - GtkWidget *list = GTK_COMBO(m_widget)->list; - - GList *child = GTK_LIST(list)->children; - int count = 0; - while (child) { count++; child = child->next; } - return count; -} - -void wxComboBox::SetSelection( int n ) -{ - wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") ); - - DisableEvents(); - - GtkWidget *list = GTK_COMBO(m_widget)->list; - gtk_list_unselect_item( GTK_LIST(list), m_prevSelection ); - gtk_list_select_item( GTK_LIST(list), n ); - m_prevSelection = n; - - EnableEvents(); -} - -bool wxComboBox::SetStringSelection( const wxString &string ) -{ - wxCHECK_MSG( m_widget != NULL, false, wxT("invalid combobox") ); - - int res = FindString( string ); - if (res == -1) return false; - SetSelection( res ); - return true; -} - -wxString wxComboBox::GetValue() const -{ - GtkEntry *entry = GTK_ENTRY( GTK_COMBO(m_widget)->entry ); - wxString tmp( wxGTK_CONV_BACK( gtk_entry_get_text( entry ) ) ); - -#if 0 - for (int i = 0; i < wxStrlen(tmp.c_str()) +1; i++) + else // disable { - wxChar c = tmp[i]; - printf( "%d ", (int) (c) ); + g_signal_handlers_block_by_func(gtk_bin_get_child(GTK_BIN(m_widget)), + (gpointer)gtkcombobox_text_changed_callback, this); } - printf( "\n" ); -#endif - - return tmp; -} - -void wxComboBox::SetValue( const wxString& value ) -{ - wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") ); - - GtkWidget *entry = GTK_COMBO(m_widget)->entry; - wxString tmp = wxT(""); - if (!value.IsNull()) tmp = value; - gtk_entry_set_text( GTK_ENTRY(entry), wxGTK_CONV( tmp ) ); - - InvalidateBestSize(); -} - -void wxComboBox::Copy() -{ - wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") ); - - GtkWidget *entry = GTK_COMBO(m_widget)->entry; - gtk_editable_copy_clipboard( GTK_EDITABLE(entry) DUMMY_CLIPBOARD_ARG ); -} - -void wxComboBox::Cut() -{ - wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") ); - - GtkWidget *entry = GTK_COMBO(m_widget)->entry; - gtk_editable_cut_clipboard( GTK_EDITABLE(entry) DUMMY_CLIPBOARD_ARG ); -} - -void wxComboBox::Paste() -{ - wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") ); - - GtkWidget *entry = GTK_COMBO(m_widget)->entry; - gtk_editable_paste_clipboard( GTK_EDITABLE(entry) DUMMY_CLIPBOARD_ARG); -} - -void wxComboBox::Undo() -{ - // TODO -} - -void wxComboBox::Redo() -{ - // TODO -} - -void wxComboBox::SelectAll() -{ - SetSelection(0, GetLastPosition()); -} - -bool wxComboBox::CanUndo() const -{ - // TODO - return false; -} - -bool wxComboBox::CanRedo() const -{ - // TODO - return false; -} - -bool wxComboBox::HasSelection() const -{ - long from, to; - GetSelection(&from, &to); - return from != to; -} - -bool wxComboBox::CanCopy() const -{ - // Can copy if there's a selection - return HasSelection(); } -bool wxComboBox::CanCut() const +void wxComboBox::GTKDisableEvents() { - return CanCopy() && IsEditable(); -} - -bool wxComboBox::CanPaste() const -{ - // TODO: check for text on the clipboard - return IsEditable() ; -} + EnableTextChangedEvents(false); -bool wxComboBox::IsEditable() const -{ - return !HasFlag(wxCB_READONLY); + g_signal_handlers_block_by_func(m_widget, + (gpointer)gtkcombobox_changed_callback, this); + g_signal_handlers_block_by_func(m_widget, + (gpointer)gtkcombobox_popupshown_callback, this); } - -void wxComboBox::SetInsertionPoint( long pos ) +void wxComboBox::GTKEnableEvents() { - wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") ); + EnableTextChangedEvents(true); - if ( pos == GetLastPosition() ) - pos = -1; - - GtkWidget *entry = GTK_COMBO(m_widget)->entry; - gtk_entry_set_position( GTK_ENTRY(entry), (int)pos ); -} - -long wxComboBox::GetInsertionPoint() const -{ - return (long) GET_EDITABLE_POS( GTK_COMBO(m_widget)->entry ); + g_signal_handlers_unblock_by_func(m_widget, + (gpointer)gtkcombobox_changed_callback, this); + g_signal_handlers_unblock_by_func(m_widget, + (gpointer)gtkcombobox_popupshown_callback, this); } -wxTextPos wxComboBox::GetLastPosition() const +GtkWidget* wxComboBox::GetConnectWidget() { - GtkWidget *entry = GTK_COMBO(m_widget)->entry; - int pos = GTK_ENTRY(entry)->text_length; - return (long) pos-1; + return GTK_WIDGET( GetEntry() ); } -void wxComboBox::Replace( long from, long to, const wxString& value ) +GdkWindow* wxComboBox::GTKGetWindow(wxArrayGdkWindows& /* windows */) const { - wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") ); - - GtkWidget *entry = GTK_COMBO(m_widget)->entry; - gtk_editable_delete_text( GTK_EDITABLE(entry), (gint)from, (gint)to ); - if (value.IsNull()) return; - gint pos = (gint)to; - -#if wxUSE_UNICODE - wxCharBuffer buffer = wxConvUTF8.cWX2MB( value ); - gtk_editable_insert_text( GTK_EDITABLE(entry), (const char*) buffer, strlen( (const char*) buffer ), &pos ); +#ifdef __WXGTK3__ + // no access to internal GdkWindows + return NULL; #else - gtk_editable_insert_text( GTK_EDITABLE(entry), value.c_str(), value.Length(), &pos ); + return gtk_entry_get_text_window(GetEntry()); #endif } -void wxComboBox::SetSelection( long from, long to ) -{ - GtkWidget *entry = GTK_COMBO(m_widget)->entry; - gtk_editable_select_region( GTK_EDITABLE(entry), (gint)from, (gint)to ); -} - -void wxComboBox::GetSelection( long* from, long* to ) const +// static +wxVisualAttributes +wxComboBox::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) { - if (IsEditable()) - { - GtkEditable *editable = GTK_EDITABLE(GTK_COMBO(m_widget)->entry); -#ifdef __WXGTK20__ - gint start, end; - gtk_editable_get_selection_bounds(editable, & start, & end); - *from = start; - *to = end; +#ifdef __WXGTK3__ + return GetDefaultAttributesFromGTKWidget(gtk_combo_box_new_with_entry(), true); #else - *from = (long) editable->selection_start_pos; - *to = (long) editable->selection_end_pos; + return GetDefaultAttributesFromGTKWidget(gtk_combo_box_entry_new(), true); #endif - } -} - -void wxComboBox::SetEditable( bool editable ) -{ - GtkWidget *entry = GTK_COMBO(m_widget)->entry; - gtk_entry_set_editable( GTK_ENTRY(entry), editable ); -} - -void wxComboBox::OnChar( wxKeyEvent &event ) -{ - if ( event.GetKeyCode() == WXK_RETURN ) - { - // GTK automatically selects an item if its in the list - wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, GetId()); - event.SetString( GetValue() ); - event.SetInt( GetSelection() ); - event.SetEventObject( this ); - - if (!GetEventHandler()->ProcessEvent( event )) - { - // This will invoke the dialog default action, such - // as the clicking the default button. - - wxWindow *top_frame = m_parent; - while (top_frame->GetParent() && !(top_frame->IsTopLevel())) - top_frame = top_frame->GetParent(); - - if (top_frame && GTK_IS_WINDOW(top_frame->m_widget)) - { - GtkWindow *window = GTK_WINDOW(top_frame->m_widget); - - if (window->default_widget) - gtk_widget_activate (window->default_widget); - } - } - - // Catch GTK event so that GTK doesn't open the drop - // down list upon RETURN. - return; - } - - event.Skip(); -} - -void wxComboBox::DisableEvents() -{ - gtk_signal_disconnect_by_func( GTK_OBJECT(GTK_COMBO(m_widget)->list), - GTK_SIGNAL_FUNC(gtk_combo_select_child_callback), (gpointer)this ); - gtk_signal_disconnect_by_func( GTK_OBJECT(GTK_COMBO(m_widget)->entry), - GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this ); } -void wxComboBox::EnableEvents() +void wxComboBox::SetValue(const wxString& value) { - gtk_signal_connect_after( GTK_OBJECT(GTK_COMBO(m_widget)->list), "select-child", - GTK_SIGNAL_FUNC(gtk_combo_select_child_callback), (gpointer)this ); - gtk_signal_connect_after( GTK_OBJECT(GTK_COMBO(m_widget)->entry), "changed", - GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this ); -} - -void wxComboBox::OnSize( wxSizeEvent &event ) -{ - // NB: In some situations (e.g. on non-first page of a wizard, if the - // size used is default size), GtkCombo widget is resized correctly, - // but it's look is not updated, it's rendered as if it was much wider. - // No other widgets are affected, so it looks like a bug in GTK+. - // Manually requesting resize calculation (as gtk_pizza_set_size does) - // fixes it. - if (GTK_WIDGET_VISIBLE(m_widget)) - gtk_widget_queue_resize(m_widget); - - event.Skip(); + if ( HasFlag(wxCB_READONLY) ) + SetStringSelection(value); + else + wxTextEntry::SetValue(value); } -void wxComboBox::DoApplyWidgetStyle(GtkRcStyle *style) +void wxComboBox::SetString(unsigned int n, const wxString& text) { -// gtk_widget_modify_style( GTK_COMBO(m_widget)->button, syle ); + wxChoice::SetString(n, text); - gtk_widget_modify_style( GTK_COMBO(m_widget)->entry, style ); - gtk_widget_modify_style( GTK_COMBO(m_widget)->list, style ); - - GtkList *list = GTK_LIST( GTK_COMBO(m_widget)->list ); - GList *child = list->children; - while (child) + if ( static_cast(n) == GetSelection() ) { - gtk_widget_modify_style( GTK_WIDGET(child->data), style ); - - GtkBin *bin = GTK_BIN(child->data); - gtk_widget_modify_style( bin->child, style ); - - child = child->next; + // We also need to update the currently shown text, for consistency + // with wxMSW and also because it makes sense as leaving the old string + // in the text but not in the list would be confusing to the user. + SetValue(text); + + // And we need to keep the selection unchanged, modifying the item is + // not supposed to deselect it. + SetSelection(n); } } -GtkWidget* wxComboBox::GetConnectWidget() -{ - return GTK_COMBO(m_widget)->entry; -} - -bool wxComboBox::IsOwnGtkWindow( GdkWindow *window ) -{ - return ( (window == GTK_ENTRY( GTK_COMBO(m_widget)->entry )->text_area) || - (window == GTK_COMBO(m_widget)->button->window ) ); -} - -wxSize wxComboBox::DoGetBestSize() const -{ - wxSize ret( wxControl::DoGetBestSize() ); - - // we know better our horizontal extent: it depends on the longest string - // in the combobox - if ( m_widget ) - { - int width; - size_t count = GetCount(); - for ( size_t n = 0; n < count; n++ ) - { - GetTextExtent( GetString(n), &width, NULL, NULL, NULL ); - if ( width > ret.x ) - ret.x = width; - } - } - - // empty combobox should have some reasonable default size too - if ( ret.x < 100 ) - ret.x = 100; - - CacheBestSize(ret); - return ret; -} - -// static -wxVisualAttributes -wxComboBox::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) -{ - return GetDefaultAttributesFromGTKWidget(gtk_combo_new, true); -} - // ---------------------------------------------------------------------------- // standard event handling // ---------------------------------------------------------------------------- @@ -994,15 +352,12 @@ void wxComboBox::OnRedo(wxCommandEvent& WXUNUSED(event)) void wxComboBox::OnDelete(wxCommandEvent& WXUNUSED(event)) { - long from, to; - GetSelection(& from, & to); - if (from != -1 && to != -1) - Remove(from, to); + RemoveSelection(); } void wxComboBox::OnSelectAll(wxCommandEvent& WXUNUSED(event)) { - SetSelection(-1, -1); + SelectAll(); } void wxComboBox::OnUpdateCut(wxUpdateUIEvent& event) @@ -1037,8 +392,33 @@ void wxComboBox::OnUpdateDelete(wxUpdateUIEvent& event) void wxComboBox::OnUpdateSelectAll(wxUpdateUIEvent& event) { - event.Enable(GetLastPosition() > 0); + event.Enable(!wxTextEntry::IsEmpty()); } -#endif +void wxComboBox::Popup() +{ + gtk_combo_box_popup( GTK_COMBO_BOX(m_widget) ); +} + +void wxComboBox::Dismiss() +{ + gtk_combo_box_popdown( GTK_COMBO_BOX(m_widget) ); +} + +wxSize wxComboBox::DoGetSizeFromTextSize(int xlen, int ylen) const +{ + wxSize tsize( wxChoice::DoGetSizeFromTextSize(xlen, ylen) ); + + GtkEntry* entry = GetEntry(); + if (entry) + { + // Add the margins we have previously set, but only the horizontal border + // as vertical one has been taken account in the previous call. + // Also get other GTK+ margins. + tsize.IncBy(GTKGetEntryMargins(entry).x, 0); + } + + return tsize; +} +#endif // wxUSE_COMBOBOX