X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2f5157911b5ff06d054e3b52320a0d3bf83ef6cb..ef1a87f6064ea88a08ea76cc288007133180f46d:/src/gtk/combobox.cpp diff --git a/src/gtk/combobox.cpp b/src/gtk/combobox.cpp index eb6ffdd427..27ad2e756c 100644 --- a/src/gtk/combobox.cpp +++ b/src/gtk/combobox.cpp @@ -2,7 +2,6 @@ // Name: src/gtk/combobox.cpp // Purpose: // Author: Robert Roebling -// Id: $Id$ // Copyright: (c) 1998 Robert Roebling // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -17,11 +16,13 @@ #ifndef WX_PRECOMP #include "wx/intl.h" #include "wx/settings.h" - #include "wx/textctrl.h" // for wxEVT_COMMAND_TEXT_UPDATED + #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" // ---------------------------------------------------------------------------- // GTK callbacks @@ -31,37 +32,39 @@ extern "C" { static void gtkcombobox_text_changed_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo ) { - 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 gtkcombobox_changed_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo ) { - if (!combo->m_hasVMT) return; - - if (combo->GetSelection() == -1) - return; + combo->SendSelectionChangedEvent(wxEVT_COMBOBOX); +} - wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, combo->GetId() ); - event.SetInt( combo->GetSelection() ); - event.SetString( combo->GetStringSelection() ); +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->GetEventHandler()->ProcessEvent( event ); + combo->HandleWindowEvent( event ); } + } //----------------------------------------------------------------------------- // wxComboBox //----------------------------------------------------------------------------- -IMPLEMENT_DYNAMIC_CLASS(wxComboBox,wxControl) - -BEGIN_EVENT_TABLE(wxComboBox, wxControl) +BEGIN_EVENT_TABLE(wxComboBox, wxChoice) EVT_CHAR(wxComboBox::OnChar) EVT_MENU(wxID_CUT, wxComboBox::OnCut) @@ -81,6 +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, @@ -100,10 +114,6 @@ bool wxComboBox::Create( wxWindow *parent, wxWindowID id, const wxString& value, long style, const wxValidator& validator, const wxString& name ) { - m_strings = NULL; - m_ignoreNextUpdate = false; - m_prevSelection = 0; - if (!PreCreation( parent, pos, size ) || !CreateBase( parent, id, pos, size, style, validator, name )) { @@ -112,9 +122,9 @@ bool wxComboBox::Create( wxWindow *parent, wxWindowID id, const wxString& value, } if (HasFlag(wxCB_SORT)) - m_strings = new wxSortedArrayString(); + m_strings = new wxGtkCollatedArrayString(); - m_widget = gtk_combo_box_entry_new_text(); + GTKCreateComboBoxWidget(); if (HasFlag(wxBORDER_NONE)) { @@ -124,253 +134,77 @@ bool wxComboBox::Create( wxWindow *parent, wxWindowID id, const wxString& value, GtkEntry * const entry = GetEntry(); - gtk_entry_set_editable( entry, TRUE ); - - Append(n, choices); - - m_parent->DoAddChild( this ); - - m_focusWidget = GTK_WIDGET( entry ); - - PostCreation(size); - - ConnectWidget( m_widget ); - - gtk_entry_set_text( entry, wxGTK_CONV(value) ); - - if (style & wxCB_READONLY) - gtk_entry_set_editable( entry, FALSE ); - - g_signal_connect_after (entry, "changed", - G_CALLBACK (gtkcombobox_text_changed_callback), this); - - g_signal_connect_after (m_widget, "changed", - G_CALLBACK (gtkcombobox_changed_callback), this); - - - SetInitialSize(size); // need this too because this is a wxControlWithItems - - return true; -} - -GtkEntry *wxComboBox::GetEntry() const -{ - return GTK_ENTRY(GTK_BIN(m_widget)->child); -} - -GtkEditable *wxComboBox::GetEditable() const -{ - return GTK_EDITABLE( GTK_BIN(m_widget)->child ); -} - -wxComboBox::~wxComboBox() -{ - Clear(); - - delete m_strings; -} - -void wxComboBox::SetFocus() -{ - if ( m_hasFocus ) + if ( entry ) { - // don't do anything if we already have focus - return; - } + // Set it up to trigger default item on enter key press + gtk_entry_set_activates_default( entry, + !HasFlag(wxTE_PROCESS_ENTER) ); - gtk_widget_grab_focus( m_focusWidget ); -} - -int wxComboBox::DoInsertItems(const wxArrayStringsAdapter & items, - unsigned int pos, - void **clientData, wxClientDataType type) -{ - wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid combobox") ); - - wxASSERT_MSG( !IsSorted() || (pos == GetCount()), - _T("In a sorted combobox data could only be appended")); - - const int count = items.GetCount(); - - int n = wxNOT_FOUND; - - GtkComboBox* combobox = GTK_COMBO_BOX( m_widget ); - 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]); - - gtk_combo_box_insert_text( combobox, n, wxGTK_CONV( items[i] ) ); - - m_clientData.Insert( NULL, n ); - AssignNewItemClientData(n, clientData, i, type); + gtk_editable_set_editable(GTK_EDITABLE(entry), true); } - InvalidateBestSize(); - - return n; -} - -void wxComboBox::DoSetItemClientData(unsigned int n, void* clientData) -{ - m_clientData[n] = clientData; -} - -void* wxComboBox::DoGetItemClientData(unsigned int n) const -{ - return m_clientData[n]; -} - -void wxComboBox::DoClear() -{ - wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") ); - - DisableEvents(); - - GtkComboBox* combobox = GTK_COMBO_BOX( m_widget ); - const unsigned int count = GetCount(); - for (unsigned int i = 0; i < count; i++) - gtk_combo_box_remove_text( combobox, 0 ); - - m_clientData.Clear(); - - if(m_strings) - m_strings->Clear(); - - EnableEvents(); - - InvalidateBestSize(); -} - -void wxComboBox::DoDeleteOneItem(unsigned int n) -{ - wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") ); - - wxCHECK_RET( IsValid(n), wxT("invalid index") ); - - GtkComboBox* combobox = GTK_COMBO_BOX( m_widget ); - gtk_combo_box_remove_text( combobox, n ); - - m_clientData.RemoveAt( n ); - if(m_strings) - m_strings->RemoveAt( n ); - - InvalidateBestSize(); -} - -void wxComboBox::SetString(unsigned int n, const wxString &text) -{ - wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") ); - - GtkComboBox* combobox = GTK_COMBO_BOX( m_widget ); - wxCHECK_RET( IsValid(n), wxT("invalid index") ); + Append(n, choices); - 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, 0, &value ); - g_value_unset( &value ); - } + m_parent->DoAddChild( this ); - InvalidateBestSize(); -} + if ( entry ) + m_focusWidget = GTK_WIDGET( entry ); -int wxComboBox::FindString( const wxString &item, bool bCase ) const -{ - wxCHECK_MSG( m_widget != NULL, wxNOT_FOUND, wxT("invalid combobox") ); + PostCreation(size); - 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; - do + if ( entry ) { - GValue value = { 0, }; - gtk_tree_model_get_value( model, &iter, 0, &value ); - wxString str = wxGTK_CONV_BACK( g_value_get_string( &value ) ); - g_value_unset( &value ); + 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) ); + } - if (item.IsSameAs( str, bCase ) ) - return count; + g_signal_connect_after (entry, "changed", + G_CALLBACK (gtkcombobox_text_changed_callback), this); - count++; + GTKConnectInsertTextSignal(entry); + GTKConnectClipboardSignals(GTK_WIDGET(entry)); } - while ( gtk_tree_model_iter_next(model, &iter) ); - - return wxNOT_FOUND; -} -int wxComboBox::GetSelection() const -{ - GtkComboBox* combobox = GTK_COMBO_BOX( m_widget ); - return gtk_combo_box_get_active( combobox ); -} - -int wxComboBox::GetCurrentSelection() const -{ - wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid combobox") ); - - GtkComboBox* combobox = GTK_COMBO_BOX( m_widget ); - return gtk_combo_box_get_active( combobox ); -} - -wxString wxComboBox::GetString(unsigned int n) const -{ - wxCHECK_MSG( m_widget != NULL, wxEmptyString, wxT("invalid combobox") ); - - wxString str; + g_signal_connect_after (m_widget, "changed", + G_CALLBACK (gtkcombobox_changed_callback), this); - 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)) +#ifndef __WXGTK3__ + if ( !gtk_check_version(2,10,0) ) +#endif { - GValue value = { 0, }; - gtk_tree_model_get_value( model, &iter, 0, &value ); - wxString tmp = wxGTK_CONV_BACK( g_value_get_string( &value ) ); - g_value_unset( &value ); - return tmp; + g_signal_connect (m_widget, "notify::popup-shown", + G_CALLBACK (gtkcombobox_popupshown_callback), this); } - return str; + return true; } -unsigned int wxComboBox::GetCount() const +void wxComboBox::GTKCreateComboBoxWidget() { - wxCHECK_MSG( m_widget != NULL, 0, wxT("invalid combobox") ); +#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); - 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; + m_entry = GTK_ENTRY(gtk_bin_get_child(GTK_BIN(m_widget))); } -void wxComboBox::SetSelection( int n ) +GtkEditable *wxComboBox::GetEditable() const { - wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") ); - - DisableEvents(); - - GtkComboBox* combobox = GTK_COMBO_BOX( m_widget ); - gtk_combo_box_set_active( combobox, n ); - - EnableEvents(); + return GTK_EDITABLE(gtk_bin_get_child(GTK_BIN(m_widget))); } void wxComboBox::OnChar( wxKeyEvent &event ) @@ -378,15 +212,15 @@ void wxComboBox::OnChar( wxKeyEvent &event ) switch ( event.GetKeyCode() ) { case WXK_RETURN: - if ( HasFlag(wxTE_PROCESS_ENTER) ) + if ( HasFlag(wxTE_PROCESS_ENTER) && GetEntry() ) { // GTK automatically selects an item if its in the list - wxCommandEvent eventEnter(wxEVT_COMMAND_TEXT_ENTER, GetId()); + wxCommandEvent eventEnter(wxEVT_TEXT_ENTER, GetId()); eventEnter.SetString( GetValue() ); eventEnter.SetInt( GetSelection() ); eventEnter.SetEventObject( this ); - if ( GetEventHandler()->ProcessEvent(eventEnter) ) + if ( HandleWindowEvent(eventEnter) ) { // Catch GTK event so that GTK doesn't open the drop // down list upon RETURN. @@ -399,22 +233,41 @@ void wxComboBox::OnChar( wxKeyEvent &event ) event.Skip(); } -void wxComboBox::DisableEvents() +void wxComboBox::EnableTextChangedEvents(bool enable) +{ + 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::GTKDisableEvents() { - g_signal_handlers_block_by_func(GTK_BIN(m_widget)->child, - (gpointer)gtkcombobox_text_changed_callback, this); + 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); } -void wxComboBox::EnableEvents() +void wxComboBox::GTKEnableEvents() { - g_signal_handlers_unblock_by_func(GTK_BIN(m_widget)->child, - (gpointer)gtkcombobox_text_changed_callback, this); + 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); } GtkWidget* wxComboBox::GetConnectWidget() @@ -422,44 +275,50 @@ GtkWidget* wxComboBox::GetConnectWidget() return GTK_WIDGET( GetEntry() ); } -GdkWindow *wxComboBox::GTKGetWindow(wxArrayGdkWindows& windows) const +GdkWindow* wxComboBox::GTKGetWindow(wxArrayGdkWindows& /* windows */) const { - wxUnusedVar(windows); - - return GetEntry()->text_area; +#ifdef __WXGTK3__ + // no access to internal GdkWindows + return NULL; +#else + return gtk_entry_get_text_window(GetEntry()); +#endif } -wxSize wxComboBox::DoGetBestSize() const +// static +wxVisualAttributes +wxComboBox::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) { - wxSize ret( wxControl::DoGetBestSize() ); - - // we know better our horizontal extent: it depends on the longest string - // in the combobox - if ( m_widget ) - { - int width; - 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; - } - } - - // empty combobox should have some reasonable default size too - if ( ret.x < 100 ) - ret.x = 100; +#ifdef __WXGTK3__ + return GetDefaultAttributesFromGTKWidget(gtk_combo_box_new_with_entry(), true); +#else + return GetDefaultAttributesFromGTKWidget(gtk_combo_box_entry_new(), true); +#endif +} - CacheBestSize(ret); - return ret; +void wxComboBox::SetValue(const wxString& value) +{ + if ( HasFlag(wxCB_READONLY) ) + SetStringSelection(value); + else + wxTextEntry::SetValue(value); } -// static -wxVisualAttributes -wxComboBox::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) +void wxComboBox::SetString(unsigned int n, const wxString& text) { - return GetDefaultAttributesFromGTKWidget(gtk_combo_box_entry_new, true); + 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); + } } // ---------------------------------------------------------------------------- @@ -493,15 +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) @@ -536,7 +392,33 @@ void wxComboBox::OnUpdateDelete(wxUpdateUIEvent& event) void wxComboBox::OnUpdateSelectAll(wxUpdateUIEvent& event) { - event.Enable(GetLastPosition() > 0); + 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