X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/93c5dd39af2fb5eb12c5c837999be944543b21b0..150e31d2088687cbfbab548f9e98918f8683d9b5:/src/gtk1/combobox.cpp diff --git a/src/gtk1/combobox.cpp b/src/gtk1/combobox.cpp index 54aea8e647..99e75910c2 100644 --- a/src/gtk1/combobox.cpp +++ b/src/gtk1/combobox.cpp @@ -7,16 +7,31 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ +#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" -#include +#if wxUSE_COMBOBOX + +#include "wx/settings.h" +#include "wx/arrstr.h" +#include "wx/intl.h" + +#include "wx/textctrl.h" // for wxEVT_COMMAND_TEXT_UPDATED -#include "gdk/gdk.h" -#include "gtk/gtk.h" +#include "wx/gtk/private.h" + +//----------------------------------------------------------------------------- +// idle system +//----------------------------------------------------------------------------- + +extern void wxapp_install_idle_handler(); +extern bool g_isIdle; //----------------------------------------------------------------------------- // data @@ -25,44 +40,77 @@ extern bool g_blockEventsOnDrag; //----------------------------------------------------------------------------- -// "select" +// "changed" - typing and list item matches get changed, select-child +// if it doesn't match an item then just get a single changed //----------------------------------------------------------------------------- static void -gtk_combo_clicked_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo ) +gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo ) { - if (!combo->HasVMT()) - return; + if (g_isIdle) wxapp_install_idle_handler(); - if (g_blockEventsOnDrag) - return; - - if (combo->m_alreadySent) + if (combo->m_ignoreNextUpdate) { - combo->m_alreadySent = FALSE; + combo->m_ignoreNextUpdate = FALSE; return; } - combo->m_alreadySent = TRUE; + if (!combo->m_hasVMT) return; - wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, combo->GetId() ); - event.SetInt( combo->GetSelection() ); - event.SetString( combo->GetStringSelection() ); + wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, combo->GetId() ); + event.SetString( combo->GetValue() ); event.SetEventObject( combo ); combo->GetEventHandler()->ProcessEvent( event ); } +static void +gtk_dummy_callback(GtkEntry *WXUNUSED(entry), GtkCombo *WXUNUSED(combo)) +{ +} + //----------------------------------------------------------------------------- -// "changed" +// "select-child" - click/cursor get select-child, changed, select-child //----------------------------------------------------------------------------- static void -gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo ) +gtk_combo_select_child_callback( GtkList *WXUNUSED(list), GtkWidget *WXUNUSED(widget), wxComboBox *combo ) { - wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, combo->GetId() ); - event.SetString( combo->GetValue() ); + 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( GTK_OBJECT(GTK_COMBO(combo->GetHandle())->entry), "changed", + GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)combo ); + + 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 ); } //----------------------------------------------------------------------------- @@ -74,202 +122,303 @@ IMPLEMENT_DYNAMIC_CLASS(wxComboBox,wxControl) BEGIN_EVENT_TABLE(wxComboBox, wxControl) EVT_SIZE(wxComboBox::OnSize) EVT_CHAR(wxComboBox::OnChar) + + EVT_MENU(wxID_CUT, wxComboBox::OnCut) + EVT_MENU(wxID_COPY, wxComboBox::OnCopy) + EVT_MENU(wxID_PASTE, wxComboBox::OnPaste) + EVT_MENU(wxID_UNDO, wxComboBox::OnUndo) + EVT_MENU(wxID_REDO, wxComboBox::OnRedo) + EVT_MENU(wxID_CLEAR, wxComboBox::OnDelete) + EVT_MENU(wxID_SELECTALL, wxComboBox::OnSelectAll) + + EVT_UPDATE_UI(wxID_CUT, wxComboBox::OnUpdateCut) + EVT_UPDATE_UI(wxID_COPY, wxComboBox::OnUpdateCopy) + EVT_UPDATE_UI(wxID_PASTE, wxComboBox::OnUpdatePaste) + EVT_UPDATE_UI(wxID_UNDO, wxComboBox::OnUpdateUndo) + EVT_UPDATE_UI(wxID_REDO, wxComboBox::OnUpdateRedo) + EVT_UPDATE_UI(wxID_CLEAR, wxComboBox::OnUpdateDelete) + EVT_UPDATE_UI(wxID_SELECTALL, wxComboBox::OnUpdateSelectAll) END_EVENT_TABLE() +bool wxComboBox::Create( wxWindow *parent, wxWindowID id, + const wxString& value, + const wxPoint& pos, const wxSize& size, + const wxArrayString& choices, + long style, const wxValidator& validator, + const wxString& name ) +{ + wxCArrayString chs(choices); + + return Create( parent, id, value, pos, size, chs.GetCount(), + chs.GetStrings(), style, validator, name ); +} + bool wxComboBox::Create( wxWindow *parent, wxWindowID id, const wxString& value, const wxPoint& pos, const wxSize& size, int n, const wxString choices[], long style, const wxValidator& validator, const wxString& name ) { - m_alreadySent = FALSE; + m_ignoreNextUpdate = FALSE; m_needParent = TRUE; m_acceptsFocus = TRUE; + m_prevSelection = 0; - PreCreation( parent, id, pos, size, style, name ); - - SetValidator( validator ); + if (!PreCreation( parent, pos, size ) || + !CreateBase( parent, id, pos, size, style, validator, name )) + { + wxFAIL_MSG( wxT("wxComboBox creation failed") ); + return FALSE; + } m_widget = gtk_combo_new(); + GtkCombo *combo = GTK_COMBO(m_widget); + + // 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); // make it more useable - gtk_combo_set_use_arrows_always(GTK_COMBO(m_widget), TRUE); + gtk_combo_set_use_arrows_always( GTK_COMBO(m_widget), TRUE ); - wxSize newSize = size; - if (newSize.x == -1) - newSize.x = 100; - if (newSize.y == -1) - newSize.y = 26; - SetSize( newSize.x, newSize.y ); + // and case-sensitive + gtk_combo_set_case_sensitive( GTK_COMBO(m_widget), TRUE ); 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++) { - GtkWidget *list_item = gtk_list_item_new_with_label( choices[i].mbc_str() ); + 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_realize( list_item ); - gtk_widget_realize( GTK_BIN(list_item)->child ); - gtk_widget_show( list_item ); - - gtk_signal_connect( GTK_OBJECT(list_item), "select", - GTK_SIGNAL_FUNC(gtk_combo_clicked_callback), (gpointer)this ); } - m_parent->AddChild( this ); + m_parent->DoAddChild( this ); - (m_parent->m_insertCallback)( m_parent, this ); + m_focusWidget = combo->entry; - PostCreation(); + PostCreation(size); - ConnectWidget( GTK_COMBO(m_widget)->button ); + ConnectWidget( combo->button ); - if (!value.IsNull()) SetValue( value ); - - gtk_widget_realize( GTK_COMBO(m_widget)->list ); - gtk_widget_realize( GTK_COMBO(m_widget)->entry ); - gtk_widget_realize( GTK_COMBO(m_widget)->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( GTK_COMBO(m_widget)->entry ), FALSE ); + gtk_entry_set_editable( GTK_ENTRY( combo->entry ), FALSE ); - gtk_signal_connect( GTK_OBJECT(GTK_COMBO(m_widget)->entry), "changed", - GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); + gtk_signal_connect( GTK_OBJECT(combo->entry), "changed", + GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this ); - SetBackgroundColour( parent->GetBackgroundColour() ); - SetForegroundColour( parent->GetForegroundColour() ); - SetFont( parent->GetFont() ); + gtk_signal_connect( GTK_OBJECT(combo->list), "select-child", + GTK_SIGNAL_FUNC(gtk_combo_select_child_callback), (gpointer)this ); - Show( TRUE ); + 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() { - wxNode *node = m_clientDataList.First(); + wxList::compatibility_iterator node = m_clientObjectList.GetFirst(); while (node) { - wxClientData *cd = (wxClientData*)node->Data(); + wxClientData *cd = (wxClientData*)node->GetData(); if (cd) delete cd; - node = node->Next(); + node = node->GetNext(); } + m_clientObjectList.Clear(); + m_clientDataList.Clear(); } -void wxComboBox::AppendCommon( const wxString &item ) +void wxComboBox::SetFocus() +{ + if ( m_hasFocus ) + { + // don't do anything if we already have focus + return; + } + + gtk_widget_grab_focus( m_focusWidget ); +} + +int wxComboBox::DoAppend( const wxString &item ) { - wxCHECK_RET( m_widget != NULL, _T("invalid combobox") ); + wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid combobox") ); - GtkWidget *list = GTK_COMBO(m_widget)->list; + DisableEvents(); - GtkWidget *list_item = gtk_list_item_new_with_label( item.mbc_str() ); + GtkWidget *list = GTK_COMBO(m_widget)->list; - gtk_signal_connect( GTK_OBJECT(list_item), "select", - GTK_SIGNAL_FUNC(gtk_combo_clicked_callback), (gpointer)this ); + GtkWidget *list_item = gtk_list_item_new_with_label( wxGTK_CONV( item ) ); gtk_container_add( GTK_CONTAINER(list), list_item ); - if (m_widgetStyle) ApplyWidgetStyle(); + 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 ); -} -void wxComboBox::Append( const wxString &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 ); - AppendCommon( item ); -} + EnableEvents(); -void wxComboBox::Append( const wxString &item, void *clientData ) -{ - m_clientDataList.Append( (wxObject*) clientData ); - m_clientObjectList.Append( (wxObject*)NULL ); + InvalidateBestSize(); - AppendCommon( item ); + return count - 1; } -void wxComboBox::Append( const wxString &item, wxClientData *clientData ) +int wxComboBox::DoInsert( const wxString &item, int pos ) { - m_clientDataList.Append( (wxObject*) NULL ); - m_clientObjectList.Append( (wxObject*) clientData ); + 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(); - AppendCommon( item ); + return pos; } -void wxComboBox::SetClientData( int n, void* clientData ) +void wxComboBox::DoSetItemClientData( int n, void* clientData ) { - wxCHECK_RET( m_widget != NULL, _T("invalid combobox") ); + wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") ); - wxNode *node = m_clientDataList.Nth( n ); + wxList::compatibility_iterator node = m_clientDataList.Item( n ); if (!node) return; node->SetData( (wxObject*) clientData ); } -void* wxComboBox::GetClientData( int n ) +void* wxComboBox::DoGetItemClientData( int n ) const { - wxCHECK_MSG( m_widget != NULL, NULL, _T("invalid combobox") ); + wxCHECK_MSG( m_widget != NULL, NULL, wxT("invalid combobox") ); - wxNode *node = m_clientDataList.Nth( n ); - if (!node) return NULL; + wxList::compatibility_iterator node = m_clientDataList.Item( n ); - return node->Data(); + return node ? node->GetData() : NULL; } -void wxComboBox::SetClientObject( int n, wxClientData* clientData ) +void wxComboBox::DoSetItemClientObject( int n, wxClientData* clientData ) { - wxCHECK_RET( m_widget != NULL, _T("invalid combobox") ); + wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") ); - wxNode *node = m_clientObjectList.Nth( n ); + wxList::compatibility_iterator node = m_clientObjectList.Item( n ); if (!node) return; - wxClientData *cd = (wxClientData*) node->Data(); - if (cd) delete cd; + // wxItemContainer already deletes data for us node->SetData( (wxObject*) clientData ); } -wxClientData* wxComboBox::GetClientObject( int n ) +wxClientData* wxComboBox::DoGetItemClientObject( int n ) const { - wxCHECK_MSG( m_widget != NULL, (wxClientData*)NULL, _T("invalid combobox") ); + wxCHECK_MSG( m_widget != NULL, (wxClientData*)NULL, wxT("invalid combobox") ); - wxNode *node = m_clientDataList.Nth( n ); - if (!node) return (wxClientData*) NULL; + wxList::compatibility_iterator node = m_clientObjectList.Item( n ); - return (wxClientData*) node->Data(); + return node ? (wxClientData*) node->GetData() : NULL; } void wxComboBox::Clear() { - wxCHECK_RET( m_widget != NULL, _T("invalid combobox") ); + wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") ); + + DisableEvents(); GtkWidget *list = GTK_COMBO(m_widget)->list; - gtk_list_clear_items( GTK_LIST(list), 0, Number() ); + gtk_list_clear_items( GTK_LIST(list), 0, GetCount() ); - wxNode *node = m_clientObjectList.First(); + wxList::compatibility_iterator node = m_clientObjectList.GetFirst(); while (node) { - wxClientData *cd = (wxClientData*)node->Data(); + wxClientData *cd = (wxClientData*)node->GetData(); if (cd) delete cd; - node = node->Next(); + node = node->GetNext(); } m_clientObjectList.Clear(); m_clientDataList.Clear(); + + EnableEvents(); + + InvalidateBestSize(); } void wxComboBox::Delete( int n ) { - wxCHECK_RET( m_widget != NULL, _T("invalid combobox") ); + wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") ); GtkList *listbox = GTK_LIST( GTK_COMBO(m_widget)->list ); @@ -277,32 +426,57 @@ void wxComboBox::Delete( int n ) if (!child) { - wxFAIL_MSG(_T("wrong index")); + wxFAIL_MSG(wxT("wrong index")); return; } + DisableEvents(); + GList *list = g_list_append( (GList*) NULL, child->data ); gtk_list_remove_items( listbox, list ); g_list_free( list ); - wxNode *node = m_clientObjectList.Nth( n ); + wxList::compatibility_iterator node = m_clientObjectList.Item( n ); if (node) { - wxClientData *cd = (wxClientData*)node->Data(); + wxClientData *cd = (wxClientData*)node->GetData(); if (cd) delete cd; - m_clientObjectList.DeleteNode( node ); + m_clientObjectList.Erase( node ); } - node = m_clientDataList.Nth( n ); + 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") ); + + GtkWidget *list = GTK_COMBO(m_widget)->list; + + GList *child = g_list_nth( GTK_LIST(list)->children, n ); + if (child) { - m_clientDataList.DeleteNode( node ); + GtkBin *bin = GTK_BIN( child->data ); + GtkLabel *label = GTK_LABEL( bin->child ); + gtk_label_set_text(label, wxGTK_CONV(text)); } + else + { + wxFAIL_MSG( wxT("wxComboBox: wrong index") ); + } + + InvalidateBestSize(); } -int wxComboBox::FindString( const wxString &item ) +int wxComboBox::FindString( const wxString &item ) const { - wxCHECK_MSG( m_widget != NULL, -1, _T("invalid combobox") ); + wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid combobox") ); GtkWidget *list = GTK_COMBO(m_widget)->list; @@ -312,8 +486,14 @@ int wxComboBox::FindString( const wxString &item ) { GtkBin *bin = GTK_BIN( child->data ); GtkLabel *label = GTK_LABEL( bin->child ); - if (item == label->label) +#ifdef __WXGTK20__ + wxString str( wxGTK_CONV_BACK( gtk_label_get_text(label) ) ); +#else + wxString str( label->label ); +#endif + if (item == str) return count; + count++; child = child->next; } @@ -323,7 +503,7 @@ int wxComboBox::FindString( const wxString &item ) int wxComboBox::GetSelection() const { - wxCHECK_MSG( m_widget != NULL, -1, _T("invalid combobox") ); + wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid combobox") ); GtkWidget *list = GTK_COMBO(m_widget)->list; @@ -340,14 +520,12 @@ int wxComboBox::GetSelection() const } } - wxFAIL_MSG( _T("wxComboBox: no selection") ); - return -1; } wxString wxComboBox::GetString( int n ) const { - wxCHECK_MSG( m_widget != NULL, _T(""), _T("invalid combobox") ); + wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid combobox") ); GtkWidget *list = GTK_COMBO(m_widget)->list; @@ -357,11 +535,15 @@ wxString wxComboBox::GetString( int n ) const { GtkBin *bin = GTK_BIN( child->data ); GtkLabel *label = GTK_LABEL( bin->child ); - str = label->label; +#ifdef __WXGTK20__ + str = wxGTK_CONV_BACK( gtk_label_get_text(label) ); +#else + str = wxString( label->label ); +#endif } else { - wxFAIL_MSG( _T("wxComboBox: wrong index") ); + wxFAIL_MSG( wxT("wxComboBox: wrong index") ); } return str; @@ -369,7 +551,7 @@ wxString wxComboBox::GetString( int n ) const wxString wxComboBox::GetStringSelection() const { - wxCHECK_MSG( m_widget != NULL, _T(""), _T("invalid combobox") ); + wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid combobox") ); GtkWidget *list = GTK_COMBO(m_widget)->list; @@ -377,18 +559,23 @@ wxString wxComboBox::GetStringSelection() const if (selection) { GtkBin *bin = GTK_BIN( selection->data ); - wxString tmp = GTK_LABEL( bin->child )->label; + 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; } - wxFAIL_MSG( _T("wxComboBox: no selection") ); + wxFAIL_MSG( wxT("wxComboBox: no selection") ); - return _T(""); + return wxT(""); } -int wxComboBox::Number() const +int wxComboBox::GetCount() const { - wxCHECK_MSG( m_widget != NULL, 0, _T("invalid combobox") ); + wxCHECK_MSG( m_widget != NULL, 0, wxT("invalid combobox") ); GtkWidget *list = GTK_COMBO(m_widget)->list; @@ -400,93 +587,152 @@ int wxComboBox::Number() const void wxComboBox::SetSelection( int n ) { - wxCHECK_RET( m_widget != NULL, _T("invalid combobox") ); + 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(); } -void wxComboBox::SetStringSelection( const wxString &string ) +bool wxComboBox::SetStringSelection( const wxString &string ) { - wxCHECK_RET( m_widget != NULL, _T("invalid combobox") ); + wxCHECK_MSG( m_widget != NULL, false, wxT("invalid combobox") ); int res = FindString( string ); - if (res == -1) return; + if (res == -1) return false; SetSelection( res ); + return true; } wxString wxComboBox::GetValue() const { - GtkWidget *entry = GTK_COMBO(m_widget)->entry; - wxString tmp = gtk_entry_get_text( GTK_ENTRY(entry) ); + 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++) + { + wxChar c = tmp[i]; + printf( "%d ", (int) (c) ); + } + printf( "\n" ); +#endif + return tmp; } void wxComboBox::SetValue( const wxString& value ) { - wxCHECK_RET( m_widget != NULL, _T("invalid combobox") ); + wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") ); GtkWidget *entry = GTK_COMBO(m_widget)->entry; - wxString tmp = _T(""); + wxString tmp = wxT(""); if (!value.IsNull()) tmp = value; - gtk_entry_set_text( GTK_ENTRY(entry), tmp.mbc_str() ); + gtk_entry_set_text( GTK_ENTRY(entry), wxGTK_CONV( tmp ) ); + + InvalidateBestSize(); } void wxComboBox::Copy() { - wxCHECK_RET( m_widget != NULL, _T("invalid combobox") ); + wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") ); GtkWidget *entry = GTK_COMBO(m_widget)->entry; -#if (GTK_MINOR_VERSION > 0) - gtk_editable_copy_clipboard( GTK_EDITABLE(entry) ); -#else - gtk_editable_copy_clipboard( GTK_EDITABLE(entry), 0 ); -#endif + gtk_editable_copy_clipboard( GTK_EDITABLE(entry) DUMMY_CLIPBOARD_ARG ); } void wxComboBox::Cut() { - wxCHECK_RET( m_widget != NULL, _T("invalid combobox") ); + wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") ); GtkWidget *entry = GTK_COMBO(m_widget)->entry; -#if (GTK_MINOR_VERSION > 0) - gtk_editable_cut_clipboard( GTK_EDITABLE(entry) ); -#else - gtk_editable_cut_clipboard( GTK_EDITABLE(entry), 0 ); -#endif + gtk_editable_cut_clipboard( GTK_EDITABLE(entry) DUMMY_CLIPBOARD_ARG ); } void wxComboBox::Paste() { - wxCHECK_RET( m_widget != NULL, _T("invalid combobox") ); + wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") ); GtkWidget *entry = GTK_COMBO(m_widget)->entry; -#if (GTK_MINOR_VERSION > 0) - gtk_editable_paste_clipboard( GTK_EDITABLE(entry) ); -#else - gtk_editable_paste_clipboard( GTK_EDITABLE(entry), 0 ); -#endif + gtk_editable_paste_clipboard( GTK_EDITABLE(entry) DUMMY_CLIPBOARD_ARG); } -void wxComboBox::SetInsertionPoint( long pos ) +void wxComboBox::Undo() { - wxCHECK_RET( m_widget != NULL, _T("invalid combobox") ); + // TODO +} - GtkWidget *entry = GTK_COMBO(m_widget)->entry; - gtk_entry_set_position( GTK_ENTRY(entry), (int)pos ); +void wxComboBox::Redo() +{ + // TODO } -void wxComboBox::SetInsertionPointEnd() +void wxComboBox::SelectAll() { - wxCHECK_RET( m_widget != NULL, _T("invalid combobox") ); + Select(0, GetLastPosition()); +} - SetInsertionPoint( -1 ); +bool wxComboBox::CanUndo() const +{ + // TODO + return false; } -long wxComboBox::GetInsertionPoint() const +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 +{ + return CanCopy() && IsEditable(); +} + +bool wxComboBox::CanPaste() const +{ + // TODO: check for text on the clipboard + return IsEditable() ; +} + +bool wxComboBox::IsEditable() const { + return !HasFlag(wxCB_READONLY); +} + + +void wxComboBox::SetInsertionPoint( long pos ) +{ + wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") ); + + if ( pos == GetLastPosition() ) + pos = -1; + GtkWidget *entry = GTK_COMBO(m_widget)->entry; - return (long) GTK_EDITABLE(entry)->current_pos; + gtk_entry_set_position( GTK_ENTRY(entry), (int)pos ); +} + +long wxComboBox::GetInsertionPoint() const +{ + return (long) GET_EDITABLE_POS( GTK_COMBO(m_widget)->entry ); } long wxComboBox::GetLastPosition() const @@ -498,22 +744,19 @@ long wxComboBox::GetLastPosition() const void wxComboBox::Replace( long from, long to, const wxString& value ) { - wxCHECK_RET( m_widget != NULL, _T("invalid combobox") ); - // FIXME: not quite sure how to do this method right in multibyte mode + 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; - gtk_editable_insert_text( GTK_EDITABLE(entry), value.mbc_str(), value.Length(), &pos ); -} - -void wxComboBox::Remove(long from, long to) -{ - wxCHECK_RET( m_widget != NULL, _T("invalid combobox") ); - GtkWidget *entry = GTK_COMBO(m_widget)->entry; - gtk_editable_delete_text( GTK_EDITABLE(entry), (gint)from, (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 ); +#else + gtk_editable_insert_text( GTK_EDITABLE(entry), value.c_str(), value.Length(), &pos ); +#endif } void wxComboBox::SetSelection( long from, long to ) @@ -522,6 +765,16 @@ void wxComboBox::SetSelection( long from, long to ) gtk_editable_select_region( GTK_EDITABLE(entry), (gint)from, (gint)to ); } +void wxComboBox::GetSelection( long* from, long* to ) const +{ + if (IsEditable()) + { + GtkEditable *editable = GTK_EDITABLE(GTK_COMBO(m_widget)->entry); + *from = (long) editable->selection_start_pos; + *to = (long) editable->selection_end_pos; + } +} + void wxComboBox::SetEditable( bool editable ) { GtkWidget *entry = GTK_COMBO(m_widget)->entry; @@ -530,69 +783,85 @@ void wxComboBox::SetEditable( bool editable ) void wxComboBox::OnChar( wxKeyEvent &event ) { - if ( event.KeyCode() == WXK_RETURN ) + if ( event.GetKeyCode() == WXK_RETURN ) { - wxString value = GetValue(); + // 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 ( Number() == 0 ) + if (!GetEventHandler()->ProcessEvent( event )) { - // make Enter generate "selected" event if there is only one item - // in the combobox - without it, it's impossible to select it at - // all! - wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, GetId() ); - event.SetInt( 0 ); - event.SetString( value ); - event.SetEventObject( this ); - GetEventHandler()->ProcessEvent( event ); - } - else - { - // add the item to the list if it's not there yet - if ( FindString(value) == wxNOT_FOUND ) + // 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)) { - Append(value); - - // and generate the selected event for it - wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, GetId() ); - event.SetInt( Number() - 1 ); - event.SetString( value ); - event.SetEventObject( this ); - GetEventHandler()->ProcessEvent( event ); + GtkWindow *window = GTK_WINDOW(top_frame->m_widget); + + if (window->default_widget) + gtk_widget_activate (window->default_widget); } - //else: do nothing, this will open the listbox } + + // Catch GTK event so that GTK doesn't open the drop + // down list upon RETURN. + return; } event.Skip(); } -void wxComboBox::OnSize( wxSizeEvent &event ) +void wxComboBox::DisableEvents() { - wxControl::OnSize( event ); + 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 ); +} - int w = 21; - gtk_widget_set_usize( GTK_COMBO(m_widget)->entry, m_width-w-1, m_height ); +void wxComboBox::EnableEvents() +{ + gtk_signal_connect( GTK_OBJECT(GTK_COMBO(m_widget)->list), "select-child", + GTK_SIGNAL_FUNC(gtk_combo_select_child_callback), (gpointer)this ); + gtk_signal_connect( GTK_OBJECT(GTK_COMBO(m_widget)->entry), "changed", + GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this ); +} - gtk_widget_set_uposition( GTK_COMBO(m_widget)->button, m_x+m_width-w, m_y ); - gtk_widget_set_usize( GTK_COMBO(m_widget)->button, w, m_height ); +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(); } -void wxComboBox::ApplyWidgetStyle() +void wxComboBox::DoApplyWidgetStyle(GtkRcStyle *style) { - SetWidgetStyle(); +// gtk_widget_modify_style( GTK_COMBO(m_widget)->button, syle ); - gtk_widget_set_style( GTK_COMBO(m_widget)->button, m_widgetStyle ); - gtk_widget_set_style( GTK_COMBO(m_widget)->entry, m_widgetStyle ); - gtk_widget_set_style( GTK_COMBO(m_widget)->list, m_widgetStyle ); + 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) { - gtk_widget_set_style( GTK_WIDGET(child->data), m_widgetStyle ); + gtk_widget_modify_style( GTK_WIDGET(child->data), style ); GtkBin *bin = GTK_BIN(child->data); - gtk_widget_set_style( bin->child, m_widgetStyle ); + gtk_widget_modify_style( bin->child, style ); child = child->next; } @@ -609,3 +878,115 @@ bool wxComboBox::IsOwnGtkWindow( GdkWindow *window ) (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 +// ---------------------------------------------------------------------------- + +void wxComboBox::OnCut(wxCommandEvent& WXUNUSED(event)) +{ + Cut(); +} + +void wxComboBox::OnCopy(wxCommandEvent& WXUNUSED(event)) +{ + Copy(); +} + +void wxComboBox::OnPaste(wxCommandEvent& WXUNUSED(event)) +{ + Paste(); +} + +void wxComboBox::OnUndo(wxCommandEvent& WXUNUSED(event)) +{ + Undo(); +} + +void wxComboBox::OnRedo(wxCommandEvent& WXUNUSED(event)) +{ + Redo(); +} + +void wxComboBox::OnDelete(wxCommandEvent& WXUNUSED(event)) +{ + long from, to; + GetSelection(& from, & to); + if (from != -1 && to != -1) + Remove(from, to); +} + +void wxComboBox::OnSelectAll(wxCommandEvent& WXUNUSED(event)) +{ + SetSelection(-1, -1); +} + +void wxComboBox::OnUpdateCut(wxUpdateUIEvent& event) +{ + event.Enable( CanCut() ); +} + +void wxComboBox::OnUpdateCopy(wxUpdateUIEvent& event) +{ + event.Enable( CanCopy() ); +} + +void wxComboBox::OnUpdatePaste(wxUpdateUIEvent& event) +{ + event.Enable( CanPaste() ); +} + +void wxComboBox::OnUpdateUndo(wxUpdateUIEvent& event) +{ + event.Enable( CanUndo() ); +} + +void wxComboBox::OnUpdateRedo(wxUpdateUIEvent& event) +{ + event.Enable( CanRedo() ); +} + +void wxComboBox::OnUpdateDelete(wxUpdateUIEvent& event) +{ + event.Enable(HasSelection() && IsEditable()) ; +} + +void wxComboBox::OnUpdateSelectAll(wxUpdateUIEvent& event) +{ + event.Enable(GetLastPosition() > 0); +} + +#endif +