X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/75ed1d15d0d866cac78f7c0da176db8dd5288bc8..bf2c43c76e2819be443ab1d830ab68d9569d66b1:/src/gtk/combobox.cpp diff --git a/src/gtk/combobox.cpp b/src/gtk/combobox.cpp index 9db6be50b8..27ad2e756c 100644 --- a/src/gtk/combobox.cpp +++ b/src/gtk/combobox.cpp @@ -1,428 +1,424 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: combobox.cpp +// Name: src/gtk/combobox.cpp // Purpose: // Author: Robert Roebling -// Created: 01/02/97 -// Id: -// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem -// Licence: wxWindows licence +// Copyright: (c) 1998 Robert Roebling +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "combobox.h" -#endif +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" + +#if wxUSE_COMBOBOX #include "wx/combobox.h" -#include -//----------------------------------------------------------------------------- -// data -//----------------------------------------------------------------------------- +#ifndef WX_PRECOMP + #include "wx/intl.h" + #include "wx/settings.h" + #include "wx/textctrl.h" // for wxEVT_TEXT + #include "wx/arrstr.h" +#endif -extern bool g_blockEventsOnDrag; +#include +#include "wx/gtk/private.h" +#include "wx/gtk/private/gtk2-compat.h" -//----------------------------------------------------------------------------- -// "select" -//----------------------------------------------------------------------------- +// ---------------------------------------------------------------------------- +// GTK callbacks +// ---------------------------------------------------------------------------- + +extern "C" { +static void +gtkcombobox_text_changed_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo ) +{ + wxCommandEvent event( wxEVT_TEXT, combo->GetId() ); + event.SetString( combo->GetValue() ); + event.SetEventObject( combo ); + combo->HandleWindowEvent( event ); +} -static void gtk_combo_clicked_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo ) +static void +gtkcombobox_changed_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo ) { - if (!combo->HasVMT()) return; - if (g_blockEventsOnDrag) return; - - if (combo->m_alreadySent) - { - combo->m_alreadySent = FALSE; - return; - } + combo->SendSelectionChangedEvent(wxEVT_COMBOBOX); +} + +static void +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 ); +} - combo->m_alreadySent = TRUE; - - wxCommandEvent event(wxEVT_COMMAND_CHOICE_SELECTED, combo->GetId()); - event.SetInt( combo->GetSelection() ); - wxString tmp( combo->GetStringSelection() ); - event.SetString( WXSTRINGCAST(tmp) ); - event.SetEventObject(combo); - combo->GetEventHandler()->ProcessEvent(event); } //----------------------------------------------------------------------------- // 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) + 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, - int n, const wxString choices[], - long style, const wxValidator& validator, const wxString& name ) -{ - m_alreadySent = FALSE; - m_needParent = TRUE; - - PreCreation( parent, id, pos, size, style, name ); - - SetValidator( validator ); - - m_widget = gtk_combo_new(); - - wxSize newSize = size; - if (newSize.x == -1) newSize.x = 100; - if (newSize.y == -1) newSize.y = 26; - SetSize( newSize.x, newSize.y ); - - GtkWidget *list = GTK_COMBO(m_widget)->list; - - for (int i = 0; i < n; i++) - { - GtkWidget *list_item; - list_item = gtk_list_item_new_with_label( choices[i] ); - - gtk_container_add( GTK_CONTAINER(list), list_item ); - - m_clientData.Append( (wxObject*)NULL ); - - gtk_widget_show( list_item ); - - gtk_signal_connect( GTK_OBJECT(list_item), "select", - GTK_SIGNAL_FUNC(gtk_combo_clicked_callback), (gpointer)this ); - } - - PostCreation(); - - ConnectWidget( GTK_COMBO(m_widget)->button ); - - if (!value.IsNull()) SetValue( value ); - - Show( TRUE ); - - return TRUE; -} - -void wxComboBox::Clear(void) -{ - GtkWidget *list = GTK_COMBO(m_widget)->list; - gtk_list_clear_items( GTK_LIST(list), 0, Number() ); - - m_clientData.Clear(); -} - -void wxComboBox::Append( const wxString &item ) -{ - Append( item, (char*)NULL ); -} - -void wxComboBox::Append( const wxString &item, char *clientData ) -{ - GtkWidget *list = GTK_COMBO(m_widget)->list; - - GtkWidget *list_item = gtk_list_item_new_with_label( item ); - - if (m_hasOwnStyle) - { - GtkBin *bin = GTK_BIN( list_item ); - gtk_widget_set_style( bin->child, - gtk_style_ref( - gtk_widget_get_style( m_widget ) ) ); - } - - gtk_signal_connect( GTK_OBJECT(list_item), "select", - GTK_SIGNAL_FUNC(gtk_combo_clicked_callback), (gpointer)this ); - - m_clientData.Append( (wxObject*)clientData ); - - gtk_container_add( GTK_CONTAINER(list), list_item ); - - gtk_widget_show( list_item ); -} - -void wxComboBox::Delete( int n ) -{ - GtkList *listbox = GTK_LIST( GTK_COMBO(m_widget)->list ); - - GList *child = g_list_nth( listbox->children, n ); - - if (!child) - { - wxFAIL_MSG("wrong index"); - return; - } - - GList *list = g_list_append( NULL, child->data ); - gtk_list_remove_items( listbox, list ); - g_list_free( list ); - - wxNode *node = m_clientData.Nth( n ); - if (!node) - { - wxFAIL_MSG( "wrong index" ); - } - else - m_clientData.DeleteNode( node ); -} - -int wxComboBox::FindString( const wxString &item ) -{ - 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 ); - if (item == label->label) return count; - count++; - child = child->next; - } - - wxFAIL_MSG( "wxComboBox: string not found" ); - - return -1; -} - -char* wxComboBox::GetClientData( int n ) -{ - wxNode *node = m_clientData.Nth( n ); - if (node) return (char*)node->Data(); - - wxFAIL_MSG( "wxComboBox: wrong index" ); - - return (char *) NULL; -} - -void wxComboBox::SetClientData( int n, char * clientData ) -{ - wxNode *node = m_clientData.Nth( n ); - if (node) node->SetData( (wxObject*) clientData ); - - wxFAIL_MSG( "wxComboBox: wrong index" ); -} - -int wxComboBox::GetSelection(void) const -{ - 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) +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, + 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 ) +{ + if (!PreCreation( parent, pos, size ) || + !CreateBase( parent, id, pos, size, style, validator, name )) + { + wxFAIL_MSG( wxT("wxComboBox creation failed") ); + return false; + } + + if (HasFlag(wxCB_SORT)) + m_strings = new wxGtkCollatedArrayString(); + + GTKCreateComboBoxWidget(); + + if (HasFlag(wxBORDER_NONE)) + { + // Doesn't seem to work + // g_object_set (m_widget, "has-frame", FALSE, NULL); + } + + GtkEntry * const entry = GetEntry(); + + if ( entry ) + { + // Set it up to trigger default item on enter key press + gtk_entry_set_activates_default( entry, + !HasFlag(wxTE_PROCESS_ENTER) ); + + gtk_editable_set_editable(GTK_EDITABLE(entry), true); + } + + Append(n, choices); + + m_parent->DoAddChild( this ); + + if ( entry ) + m_focusWidget = GTK_WIDGET( entry ); + + PostCreation(size); + + if ( entry ) + { + 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) ); + } + + g_signal_connect_after (entry, "changed", + G_CALLBACK (gtkcombobox_text_changed_callback), this); + + GTKConnectInsertTextSignal(entry); + GTKConnectClipboardSignals(GTK_WIDGET(entry)); + } + + g_signal_connect_after (m_widget, "changed", + G_CALLBACK (gtkcombobox_changed_callback), this); + +#ifndef __WXGTK3__ + if ( !gtk_check_version(2,10,0) ) +#endif { - if (child->data == selection->data) return count; - count++; - child = child->next; + g_signal_connect (m_widget, "notify::popup-shown", + G_CALLBACK (gtkcombobox_popupshown_callback), this); } - } - - wxFAIL_MSG( "wxComboBox: no selection" ); - - return -1; + + return true; } -wxString wxComboBox::GetString( int n ) const +void wxComboBox::GTKCreateComboBoxWidget() { - 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 ); - return label->label; - } - - wxFAIL_MSG( "wxComboBox: wrong index" ); - - return ""; +#ifdef __WXGTK3__ + m_widget = gtk_combo_box_text_new_with_entry(); +#else + m_widget = gtk_combo_box_entry_new_text(); +#endif + g_object_ref(m_widget); + + m_entry = GTK_ENTRY(gtk_bin_get_child(GTK_BIN(m_widget))); } -wxString wxComboBox::GetStringSelection(void) const +GtkEditable *wxComboBox::GetEditable() const { - GtkWidget *list = GTK_COMBO(m_widget)->list; - - GList *selection = GTK_LIST(list)->selection; - if (selection) - { - GtkBin *bin = GTK_BIN( selection->data ); - wxString tmp = GTK_LABEL( bin->child )->label; - return tmp; - } - - wxFAIL_MSG( "wxComboBox: no selection" ); - - return ""; + return GTK_EDITABLE(gtk_bin_get_child(GTK_BIN(m_widget))); } -int wxComboBox::Number(void) const +void wxComboBox::OnChar( wxKeyEvent &event ) { - GtkWidget *list = GTK_COMBO(m_widget)->list; - - GList *child = GTK_LIST(list)->children; - int count = 0; - while (child) { count++; child = child->next; } - return count; + switch ( event.GetKeyCode() ) + { + 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; + } + + event.Skip(); } -void wxComboBox::SetSelection( int n ) +void wxComboBox::EnableTextChangedEvents(bool enable) { - GtkWidget *list = GTK_COMBO(m_widget)->list; - gtk_list_select_item( GTK_LIST(list), n ); + if ( !GetEntry() ) + return; + + if ( enable ) + { + g_signal_handlers_unblock_by_func(gtk_bin_get_child(GTK_BIN(m_widget)), + (gpointer)gtkcombobox_text_changed_callback, this); + } + else // disable + { + g_signal_handlers_block_by_func(gtk_bin_get_child(GTK_BIN(m_widget)), + (gpointer)gtkcombobox_text_changed_callback, this); + } } -void wxComboBox::SetStringSelection( const wxString &string ) +void wxComboBox::GTKDisableEvents() { - int res = FindString( string ); - if (res == -1) return; - SetSelection( res ); + EnableTextChangedEvents(false); + + 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); } -wxString wxComboBox::GetValue(void) const +void wxComboBox::GTKEnableEvents() { - GtkWidget *entry = GTK_COMBO(m_widget)->entry; - wxString tmp = gtk_entry_get_text( GTK_ENTRY(entry) ); - return tmp; + EnableTextChangedEvents(true); + + 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); } -void wxComboBox::SetValue( const wxString& value ) +GtkWidget* wxComboBox::GetConnectWidget() { - GtkWidget *entry = GTK_COMBO(m_widget)->entry; - wxString tmp = ""; - if (!value.IsNull()) tmp = value; - gtk_entry_set_text( GTK_ENTRY(entry), tmp ); + return GTK_WIDGET( GetEntry() ); } -void wxComboBox::Copy(void) +GdkWindow* wxComboBox::GTKGetWindow(wxArrayGdkWindows& /* windows */) const { - GtkWidget *entry = GTK_COMBO(m_widget)->entry; -#if (GTK_MINOR_VERSION == 1) - gtk_editable_copy_clipboard( GTK_EDITABLE(entry) ); +#ifdef __WXGTK3__ + // no access to internal GdkWindows + return NULL; #else - gtk_editable_copy_clipboard( GTK_EDITABLE(entry), 0 ); + return gtk_entry_get_text_window(GetEntry()); #endif } -void wxComboBox::Cut(void) +// static +wxVisualAttributes +wxComboBox::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) { - GtkWidget *entry = GTK_COMBO(m_widget)->entry; -#if (GTK_MINOR_VERSION == 1) - gtk_editable_cut_clipboard( GTK_EDITABLE(entry) ); +#ifdef __WXGTK3__ + return GetDefaultAttributesFromGTKWidget(gtk_combo_box_new_with_entry(), true); #else - gtk_editable_cut_clipboard( GTK_EDITABLE(entry), 0 ); + return GetDefaultAttributesFromGTKWidget(gtk_combo_box_entry_new(), true); #endif } -void wxComboBox::Paste(void) +void wxComboBox::SetValue(const wxString& value) { - GtkWidget *entry = GTK_COMBO(m_widget)->entry; -#if (GTK_MINOR_VERSION == 1) - gtk_editable_paste_clipboard( GTK_EDITABLE(entry) ); -#else - gtk_editable_paste_clipboard( GTK_EDITABLE(entry), 0 ); -#endif + if ( HasFlag(wxCB_READONLY) ) + SetStringSelection(value); + else + wxTextEntry::SetValue(value); } -void wxComboBox::SetInsertionPoint( long pos ) +void wxComboBox::SetString(unsigned int n, const wxString& text) { - GtkWidget *entry = GTK_COMBO(m_widget)->entry; - int tmp = (int) pos; - gtk_entry_set_position( GTK_ENTRY(entry), tmp ); + wxChoice::SetString(n, text); + + if ( static_cast(n) == GetSelection() ) + { + // 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); + } } -void wxComboBox::SetInsertionPointEnd(void) +// ---------------------------------------------------------------------------- +// standard event handling +// ---------------------------------------------------------------------------- + +void wxComboBox::OnCut(wxCommandEvent& WXUNUSED(event)) { - GtkWidget *entry = GTK_COMBO(m_widget)->entry; - int pos = GTK_ENTRY(entry)->text_length; - SetInsertionPoint( pos-1 ); + Cut(); } -long wxComboBox::GetInsertionPoint(void) const +void wxComboBox::OnCopy(wxCommandEvent& WXUNUSED(event)) { - GtkWidget *entry = GTK_COMBO(m_widget)->entry; - return (long) GTK_EDITABLE(entry)->current_pos; + Copy(); } -long wxComboBox::GetLastPosition(void) const +void wxComboBox::OnPaste(wxCommandEvent& WXUNUSED(event)) { - GtkWidget *entry = GTK_COMBO(m_widget)->entry; - int pos = GTK_ENTRY(entry)->text_length; - return (long) pos-1; + Paste(); } -void wxComboBox::Replace( long from, long to, const wxString& value ) +void wxComboBox::OnUndo(wxCommandEvent& WXUNUSED(event)) { - 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, value.Length(), &pos ); + Undo(); } -void wxComboBox::Remove(long from, long to) +void wxComboBox::OnRedo(wxCommandEvent& WXUNUSED(event)) { - GtkWidget *entry = GTK_COMBO(m_widget)->entry; - gtk_editable_delete_text( GTK_EDITABLE(entry), (gint)from, (gint)to ); + Redo(); } -void wxComboBox::SetSelection( long WXUNUSED(from), long WXUNUSED(to) ) +void wxComboBox::OnDelete(wxCommandEvent& WXUNUSED(event)) { - wxFAIL_MSG( "wxComboBox::SetSelection not implemented" ); + RemoveSelection(); } -void wxComboBox::SetEditable( bool WXUNUSED(editable) ) +void wxComboBox::OnSelectAll(wxCommandEvent& WXUNUSED(event)) { - wxFAIL_MSG( "wxComboBox::SetEditable not implemented" ); + SelectAll(); } -void wxComboBox::OnSize( wxSizeEvent &event ) +void wxComboBox::OnUpdateCut(wxUpdateUIEvent& event) { - wxControl::OnSize( event ); - - int w = 22; - - gtk_widget_set_usize( GTK_COMBO(m_widget)->entry, m_width-w-1, m_height ); - - 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 ); + event.Enable( CanCut() ); } -void wxComboBox::SetFont( const wxFont &font ) +void wxComboBox::OnUpdateCopy(wxUpdateUIEvent& event) { - wxWindow::SetFont( font ); - - GtkWidget *entry = GTK_COMBO(m_widget)->entry; - - gtk_widget_set_style( entry, - gtk_style_ref( - gtk_widget_get_style( m_widget ) ) ); - - GtkWidget *list = GTK_COMBO(m_widget)->list; - - GList *child = GTK_LIST(list)->children; - while (child) - { - GtkBin *bin = (GtkBin*) child->data; - gtk_widget_set_style( bin->child, - gtk_style_ref( - gtk_widget_get_style( m_widget ) ) ); - - child = child->next; - } + event.Enable( CanCopy() ); } -GtkWidget* wxComboBox::GetConnectWidget(void) +void wxComboBox::OnUpdatePaste(wxUpdateUIEvent& event) { - return GTK_COMBO(m_widget)->entry; + event.Enable( CanPaste() ); } -bool wxComboBox::IsOwnGtkWindow( GdkWindow *window ) +void wxComboBox::OnUpdateUndo(wxUpdateUIEvent& event) { - return ( (window == GTK_ENTRY( GTK_COMBO(m_widget)->entry )->text_area) || - (window == GTK_COMBO(m_widget)->button->window ) ); + 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(!wxTextEntry::IsEmpty()); +} + +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