// Name: src/gtk/combobox.cpp
// Purpose:
// Author: Robert Roebling
-// Id: $Id$
// Copyright: (c) 1998 Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// 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 <gtk/gtk.h>
#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 = wxID_NONE; // this means the popup is hidden
-
-//-----------------------------------------------------------------------------
-// "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 );
}
-extern "C" {
static void
-gtk_dummy_callback(GtkEntry *WXUNUSED(entry), GtkCombo *WXUNUSED(combo))
+gtkcombobox_changed_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo )
{
-}
+ combo->SendSelectionChangedEvent(wxEVT_COMBOBOX);
}
-extern "C" {
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.
- const int curSelection = combo->GetCurrentSelection();
-
- const bool hasChanged = curSelection != g_SelectionBeforePopup;
-
- // reset the selection flag to value meaning that it is hidden and do it
- // now, before generating the events, so that GetSelection() returns the
- // new value from the event handler
- g_SelectionBeforePopup = wxID_NONE;
-
- if ( hasChanged )
- {
- wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, combo->GetId() );
- event.SetInt( curSelection );
- event.SetString( combo->GetStringSelection() );
- event.SetEventObject( combo );
- combo->GetEventHandler()->ProcessEvent( event );
-
- // for consistency with the other ports, send TEXT event
- wxCommandEvent event2( wxEVT_COMMAND_TEXT_UPDATED, combo->GetId() );
- event2.SetString( combo->GetStringSelection() );
- event2.SetEventObject( combo );
- combo->GetEventHandler()->ProcessEvent( event2 );
- }
-}
-}
-
-extern "C" {
-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->GetCurrentSelection();
-}
+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
-//-----------------------------------------------------------------------------
-
-extern "C" {
-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->GetCurrentSelection();
-
- 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.
- g_signal_handlers_disconnect_by_func (GTK_COMBO (combo->GetHandle())->entry,
- (gpointer) gtk_text_changed_callback,
- combo);
- combo->SetValue( combo->GetStringSelection() );
- g_signal_connect_after (GTK_COMBO (combo->GetHandle())->entry, "changed",
- G_CALLBACK (gtk_text_changed_callback), combo);
-
- // throw a SELECTED event only if the combobox popup is hidden (wxID_NONE)
- // 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 == wxID_NONE)
- {
- wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, combo->GetId() );
- event.SetInt( curSelection );
- event.SetString( combo->GetStringSelection() );
- event.SetEventObject( combo );
- combo->GetEventHandler()->ProcessEvent( event );
-
- // for consistency with the other ports, don't generate text update
- // events while the user is browsing the combobox neither
- 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)
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,
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 ))
{
return false;
}
- m_widget = gtk_combo_new();
- GtkCombo *combo = GTK_COMBO(m_widget);
-
- // Disable GTK's broken events ...
- g_signal_handler_disconnect (combo->entry, combo->entry_change_id);
- // ... and add surrogate handler.
- combo->entry_change_id = g_signal_connect (combo->entry, "changed",
- G_CALLBACK (gtk_dummy_callback),
- combo);
-
- // 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 );
-
- if (style & wxNO_BORDER)
- g_object_set( GTK_ENTRY( combo->entry ), "has-frame", FALSE, NULL );
-
- GtkWidget *list = GTK_COMBO(m_widget)->list;
-
- for (int i = 0; i < n; i++)
- {
- 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 );
- }
-
- m_parent->DoAddChild( this );
-
- m_focusWidget = combo->entry;
-
- PostCreation(size);
-
- 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
- g_signal_connect (GTK_COMBO(combo)->popwin, "hide",
- G_CALLBACK (gtk_popup_hide_callback), this);
- g_signal_connect (GTK_COMBO(combo)->popwin, "show",
- G_CALLBACK (gtk_popup_show_callback), this);
-
- g_signal_connect_after (combo->entry, "changed",
- G_CALLBACK (gtk_text_changed_callback), this);
-
- g_signal_connect_after (combo->list, "select-child",
- G_CALLBACK (gtk_combo_select_child_callback),
- 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)
- {
- wxClientData *cd = (wxClientData*)node->GetData();
- if (cd) delete cd;
- node = node->GetNext();
- }
- m_clientObjectList.Clear();
-
- m_clientDataList.Clear();
-}
+ if (HasFlag(wxCB_SORT))
+ m_strings = new wxGtkCollatedArrayString();
-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_MSG( m_widget != NULL, -1, wxT("invalid combobox") );
-
- 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 );
- }
+ GTKCreateComboBoxWidget();
- // Apply current widget style to the new list_item
- GtkRcStyle *style = CreateWidgetStyle();
- if (style)
+ if (HasFlag(wxBORDER_NONE))
{
- 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 );
+ // Doesn't seem to work
+ // g_object_set (m_widget, "has-frame", FALSE, NULL);
}
- gtk_widget_show( list_item );
+ GtkEntry * const entry = GetEntry();
- 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))
+ if ( entry )
{
- 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() );
+ // Set it up to trigger default item on enter key press
+ gtk_entry_set_activates_default( entry,
+ !HasFlag(wxTE_PROCESS_ENTER) );
- wxList::compatibility_iterator node = m_clientObjectList.GetFirst();
- while (node)
- {
- wxClientData *cd = (wxClientData*)node->GetData();
- if (cd) delete cd;
- node = node->GetNext();
+ gtk_editable_set_editable(GTK_EDITABLE(entry), true);
}
- m_clientObjectList.Clear();
-
- m_clientDataList.Clear();
-
- EnableEvents();
- InvalidateBestSize();
-}
+ Append(n, choices);
-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, bool bCase ) const
+void wxComboBox::GTKCreateComboBoxWidget()
{
- wxCHECK_MSG( m_widget != NULL, wxNOT_FOUND, 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 );
- wxString str( wxGTK_CONV_BACK( gtk_label_get_text(label) ) );
-
- if (item.IsSameAs( str , bCase ) )
- return count;
-
- count++;
- child = child->next;
- }
+#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);
- return wxNOT_FOUND;
+ m_entry = GTK_ENTRY(gtk_bin_get_child(GTK_BIN(m_widget)));
}
-int wxComboBox::GetSelection() const
+GtkEditable *wxComboBox::GetEditable() const
{
- // if the popup is currently opened, use the selection as it had been
- // before it dropped down
- return g_SelectionBeforePopup == wxID_NONE ? GetCurrentSelection()
- : g_SelectionBeforePopup;
+ return GTK_EDITABLE(gtk_bin_get_child(GTK_BIN(m_widget)));
}
-int wxComboBox::GetCurrentSelection() const
+void wxComboBox::OnChar( wxKeyEvent &event )
{
- wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid combobox") );
-
- GtkWidget *list = GTK_COMBO(m_widget)->list;
-
- GList *selection = GTK_LIST(list)->selection;
- if (selection)
+ switch ( event.GetKeyCode() )
{
- GList *child = GTK_LIST(list)->children;
- int count = 0;
- while (child)
- {
- if (child->data == selection->data) return count;
- count++;
- child = child->next;
- }
+ 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 -1;
+ event.Skip();
}
-wxString wxComboBox::GetString( int n ) const
+void wxComboBox::EnableTextChangedEvents(bool enable)
{
- wxCHECK_MSG( m_widget != NULL, wxEmptyString, wxT("invalid combobox") );
-
- GtkWidget *list = GTK_COMBO(m_widget)->list;
+ if ( !GetEntry() )
+ return;
- wxString str;
- GList *child = g_list_nth( GTK_LIST(list)->children, n );
- if (child)
+ if ( enable )
{
- GtkBin *bin = GTK_BIN( child->data );
- GtkLabel *label = GTK_LABEL( bin->child );
- str = wxGTK_CONV_BACK( gtk_label_get_text(label) );
+ g_signal_handlers_unblock_by_func(gtk_bin_get_child(GTK_BIN(m_widget)),
+ (gpointer)gtkcombobox_text_changed_callback, this);
}
- else
+ else // disable
{
- wxFAIL_MSG( wxT("wxComboBox: wrong index") );
+ g_signal_handlers_block_by_func(gtk_bin_get_child(GTK_BIN(m_widget)),
+ (gpointer)gtkcombobox_text_changed_callback, this);
}
-
- return str;
}
-wxString wxComboBox::GetStringSelection() const
+void wxComboBox::GTKDisableEvents()
{
- wxCHECK_MSG( m_widget != NULL, wxEmptyString, wxT("invalid combobox") );
-
- GtkWidget *list = GTK_COMBO(m_widget)->list;
-
- GList *selection = GTK_LIST(list)->selection;
- if (selection)
- {
- GtkBin *bin = GTK_BIN( selection->data );
- GtkLabel *label = GTK_LABEL( bin->child );
- wxString tmp( wxGTK_CONV_BACK( gtk_label_get_text(label) ) );
- return tmp;
- }
-
- wxFAIL_MSG( wxT("wxComboBox: no selection") );
+ EnableTextChangedEvents(false);
- return wxEmptyString;
+ 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);
}
-int wxComboBox::GetCount() const
+void wxComboBox::GTKEnableEvents()
{
- wxCHECK_MSG( m_widget != NULL, 0, wxT("invalid combobox") );
-
- GtkWidget *list = GTK_COMBO(m_widget)->list;
+ EnableTextChangedEvents(true);
- GList *child = GTK_LIST(list)->children;
- int count = 0;
- while (child) { count++; child = child->next; }
- return count;
+ 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::SetSelection( int n )
+GtkWidget* wxComboBox::GetConnectWidget()
{
- 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();
+ return GTK_WIDGET( GetEntry() );
}
-wxString wxComboBox::GetValue() const
+GdkWindow* wxComboBox::GTKGetWindow(wxArrayGdkWindows& /* windows */) 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++)
- {
- wxChar c = tmp[i];
- printf( "%d ", (int) (c) );
- }
- printf( "\n" );
+#ifdef __WXGTK3__
+ // no access to internal GdkWindows
+ return NULL;
+#else
+ return gtk_entry_get_text_window(GetEntry());
#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;
- 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
-{
- 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;
- gtk_entry_set_position( GTK_ENTRY(entry), (int)pos );
-}
-
-long wxComboBox::GetInsertionPoint() const
-{
- return (long) GET_EDITABLE_POS( GTK_COMBO(m_widget)->entry );
-}
-
-wxTextPos wxComboBox::GetLastPosition() const
-{
- GtkWidget *entry = GTK_COMBO(m_widget)->entry;
- int pos = GTK_ENTRY(entry)->text_length;
- return (long) pos-1;
-}
-
-void wxComboBox::Replace( long from, long to, const wxString& value )
+// static
+wxVisualAttributes
+wxComboBox::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
{
- 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__
+ return GetDefaultAttributesFromGTKWidget(gtk_combo_box_new_with_entry(), true);
#else
- gtk_editable_insert_text( GTK_EDITABLE(entry), value.c_str(), value.Length(), &pos );
+ return GetDefaultAttributesFromGTKWidget(gtk_combo_box_entry_new(), true);
#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
-{
- if (IsEditable())
- {
- GtkEditable *editable = GTK_EDITABLE(GTK_COMBO(m_widget)->entry);
- gint start, end;
- gtk_editable_get_selection_bounds(editable, & start, & end);
- *from = start;
- *to = end;
- }
-}
-
-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 )
+void wxComboBox::SetValue(const wxString& value)
{
- if ( event.GetKeyCode() == WXK_RETURN )
- {
- // GTK automatically selects an item if its in the list
- wxCommandEvent eventEnter(wxEVT_COMMAND_TEXT_ENTER, GetId());
- eventEnter.SetString( GetValue() );
- eventEnter.SetInt( GetSelection() );
- eventEnter.SetEventObject( this );
-
- if (!GetEventHandler()->ProcessEvent( eventEnter ))
- {
- // 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()
-{
- g_signal_handlers_disconnect_by_func (GTK_COMBO(m_widget)->list,
- (gpointer) gtk_combo_select_child_callback,
- this);
- g_signal_handlers_disconnect_by_func (GTK_COMBO(m_widget)->entry,
- (gpointer) gtk_text_changed_callback,
- this);
-}
-
-void wxComboBox::EnableEvents()
-{
- g_signal_connect_after (GTK_COMBO(m_widget)->list, "select-child",
- G_CALLBACK (gtk_combo_select_child_callback),
- this);
- g_signal_connect_after (GTK_COMBO(m_widget)->entry, "changed",
- G_CALLBACK (gtk_text_changed_callback),
- 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 );
-
- gtk_widget_modify_style( GTK_COMBO(m_widget)->entry, style );
- gtk_widget_modify_style( GTK_COMBO(m_widget)->list, style );
+ wxChoice::SetString(n, text);
- GtkList *list = GTK_LIST( GTK_COMBO(m_widget)->list );
- GList *child = list->children;
- while (child)
+ if ( static_cast<int>(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
// ----------------------------------------------------------------------------
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)
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
projects / wxWidgets.git / blobdiff