#include "wx/wxprec.h"
-#if wxUSE_CHOICE
+#if wxUSE_CHOICE || wxUSE_COMBOBOX
#include "wx/choice.h"
#include "wx/arrstr.h"
#endif
-// FIXME: We use GtkOptionMenu which has been deprecated since GTK+ 2.3.0 in
-// favour of GtkComboBox.
-// Later use GtkComboBox if GTK+ runtime version is new enough.
-#include <gtk/gtkversion.h>
-#if defined(GTK_DISABLE_DEPRECATED) && GTK_CHECK_VERSION(2,3,0)
-#undef GTK_DISABLE_DEPRECATED
-#endif
-
#include "wx/gtk/private.h"
-//-----------------------------------------------------------------------------
-// data
-//-----------------------------------------------------------------------------
-
-extern bool g_blockEventsOnDrag;
-//-----------------------------------------------------------------------------
-// "activate"
-//-----------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
+// GTK callbacks
+// ----------------------------------------------------------------------------
extern "C" {
-static void gtk_choice_clicked_callback( GtkWidget *WXUNUSED(widget), wxChoice *choice )
-{
- if (!choice->m_hasVMT) return;
-
- if (g_blockEventsOnDrag) return;
-
- int selection = wxNOT_FOUND;
-
- selection = gtk_option_menu_get_history( GTK_OPTION_MENU(choice->GetHandle()) );
-
- choice->m_selection_hack = selection;
-
- wxCommandEvent event(wxEVT_COMMAND_CHOICE_SELECTED, choice->GetId() );
- int n = choice->GetSelection();
-
- event.SetInt( n );
- event.SetString( choice->GetStringSelection() );
- event.SetEventObject(choice);
-
- if ( choice->HasClientObjectData() )
- event.SetClientObject( choice->GetClientObject(n) );
- else if ( choice->HasClientUntypedData() )
- event.SetClientData( choice->GetClientData(n) );
- choice->HandleWindowEvent(event);
+static void
+gtk_choice_changed_callback( GtkWidget *WXUNUSED(widget), wxChoice *choice )
+{
+ choice->SendSelectionChangedEvent(wxEVT_COMMAND_CHOICE_SELECTED);
}
+
}
//-----------------------------------------------------------------------------
// wxChoice
//-----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxChoice, wxControlWithItems)
-
-wxChoice::wxChoice()
+void wxChoice::Init()
{
- m_strings = (wxSortedArrayString *)NULL;
+ m_strings = NULL;
+ m_stringCellIndex = 0;
}
bool wxChoice::Create( wxWindow *parent, wxWindowID id,
bool wxChoice::Create( wxWindow *parent, wxWindowID id,
const wxPoint &pos, const wxSize &size,
int n, const wxString choices[],
- long style, const wxValidator& validator, const wxString &name )
+ long style, const wxValidator& validator,
+ const wxString &name )
{
if (!PreCreation( parent, pos, size ) ||
!CreateBase( parent, id, pos, size, style, validator, name ))
return false;
}
- m_widget = gtk_option_menu_new();
-
if ( IsSorted() )
{
// if our m_strings != NULL, Append() will check for it and insert
// items in the correct order
- m_strings = new wxSortedArrayString;
+ m_strings = new wxGtkCollatedArrayString;
}
- // If we have items, GTK will choose the first item by default
- m_selection_hack = n > 0 ? 0 : wxNOT_FOUND;
-
- GtkWidget *menu = gtk_menu_new();
-
- for (unsigned int i = 0; i < (unsigned int)n; i++)
- {
- GtkAddHelper(menu, i, choices[i]);
- }
+ m_widget = gtk_combo_box_new_text();
+ g_object_ref(m_widget);
- gtk_option_menu_set_menu( GTK_OPTION_MENU(m_widget), menu );
+ Append(n, choices);
m_parent->DoAddChild( this );
PostCreation(size);
- SetInitialSize(size); // need this too because this is a wxControlWithItems
- // workaround for bug in gtk_option_menu_set_history(), it causes
- // gtk_widget_size_allocate() to be called with the current
- // widget->allocation values, which will be zero if a proper
- // size_allocate has not occured yet
- m_widget->allocation.width = m_width;
- m_widget->allocation.height = m_height;
+ g_signal_connect_after (m_widget, "changed",
+ G_CALLBACK (gtk_choice_changed_callback), this);
return true;
}
wxChoice::~wxChoice()
{
- Clear();
-
delete m_strings;
}
+void wxChoice::SendSelectionChangedEvent(wxEventType evt_type)
+{
+ if (!m_hasVMT)
+ return;
+
+ if (GetSelection() == -1)
+ return;
+
+ wxCommandEvent event( evt_type, GetId() );
+
+ int n = GetSelection();
+ event.SetInt( n );
+ event.SetString( GetStringSelection() );
+ event.SetEventObject( this );
+ InitCommandEventWithItems( event, n );
+
+ HandleWindowEvent( event );
+}
+
+void wxChoice::GTKInsertComboBoxTextItem( unsigned int n, const wxString& text )
+{
+ gtk_combo_box_insert_text( GTK_COMBO_BOX( m_widget ), n, wxGTK_CONV( text ) );
+}
+
int wxChoice::DoInsertItems(const wxArrayStringsAdapter & items,
unsigned int pos,
void **clientData, wxClientDataType type)
{
- wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid choice control") );
+ wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid control") );
- const unsigned int count = items.GetCount();
+ wxASSERT_MSG( !IsSorted() || (pos == GetCount()),
+ wxT("In a sorted choice data could only be appended"));
- GtkWidget *menu = gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) );
+ const int count = items.GetCount();
- for ( unsigned int i = 0; i < count; ++i, ++pos )
+ int n = wxNOT_FOUND;
+
+ for ( int i = 0; i < count; ++i )
{
- int n = GtkAddHelper(menu, pos, items[i]);
- if ( n == wxNOT_FOUND )
- return n;
+ n = pos + i;
+ // If sorted, use this wxSortedArrayStrings to determine
+ // the right insertion point
+ if (m_strings)
+ n = m_strings->Add(items[i]);
- AssignNewItemClientData(n, clientData, i, type);
- }
+ GTKInsertComboBoxTextItem( n, items[i] );
- // if the item to insert is at or before the selection, and the selection is valid
- if (((int)pos <= m_selection_hack) && (m_selection_hack != wxNOT_FOUND))
- {
- // move the selection forward
- m_selection_hack += count;
+ m_clientData.Insert( NULL, n );
+ AssignNewItemClientData(n, clientData, i, type);
}
- // We must set the selection so that it can be read back even if
- // the user has not modified it since GTK+ will then select the
- // first item so well return 0.
- if ((count > 0) && (m_selection_hack==wxNOT_FOUND))
- m_selection_hack = 0;
+ InvalidateBestSize();
- return pos - 1;
+ return n;
}
void wxChoice::DoSetItemClientData(unsigned int n, void* clientData)
void wxChoice::DoClear()
{
- wxCHECK_RET( m_widget != NULL, wxT("invalid choice") );
+ wxCHECK_RET( m_widget != NULL, wxT("invalid control") );
- gtk_option_menu_remove_menu( GTK_OPTION_MENU(m_widget) );
- GtkWidget *menu = gtk_menu_new();
- gtk_option_menu_set_menu( GTK_OPTION_MENU(m_widget), menu );
+ GTKDisableEvents();
+
+ GtkComboBox* combobox = GTK_COMBO_BOX( m_widget );
+ GtkTreeModel* model = gtk_combo_box_get_model( combobox );
+ gtk_list_store_clear(GTK_LIST_STORE(model));
m_clientData.Clear();
- if ( m_strings )
+ if (m_strings)
m_strings->Clear();
- // begin with no selection
- m_selection_hack = wxNOT_FOUND;
+ GTKEnableEvents();
+
+ InvalidateBestSize();
}
void wxChoice::DoDeleteOneItem(unsigned int n)
{
- wxCHECK_RET( m_widget != NULL, wxT("invalid choice") );
- wxCHECK_RET( IsValid(n), _T("invalid index in wxChoice::Delete") );
-
- // if the item to delete is before the selection, and the selection is valid
- if (((int)n < m_selection_hack) && (m_selection_hack != wxNOT_FOUND))
- {
- // move the selection back one
- m_selection_hack--;
- }
- else if ((int)n == m_selection_hack)
- {
- // invalidate the selection
- m_selection_hack = wxNOT_FOUND;
- }
-
- // VZ: apparently GTK+ doesn't have a built-in function to do it (not even
- // in 2.0), hence this dumb implementation -- still better than nothing
- const unsigned int count = GetCount();
-
- wxArrayString items;
- wxArrayPtrVoid itemsData;
- items.Alloc(count - 1);
- itemsData.Alloc(count - 1);
- for ( unsigned i = 0; i < count; i++ )
- {
- if ( i != n )
- {
- items.Add(GetString(i));
- itemsData.Add(m_clientData[i]);
- }
- }
-
- wxChoice::DoClear();
+ wxCHECK_RET( m_widget != NULL, wxT("invalid control") );
+ wxCHECK_RET( IsValid(n), wxT("invalid index in wxChoice::Delete") );
+
+ GtkComboBox* combobox = GTK_COMBO_BOX( m_widget );
+ GtkTreeModel* model = gtk_combo_box_get_model( combobox );
+ GtkListStore* store = GTK_LIST_STORE(model);
+ GtkTreeIter iter;
+ gtk_tree_model_iter_nth_child( model, &iter,
+ NULL, (gint) n );
+ gtk_list_store_remove( store, &iter );
+
+ m_clientData.RemoveAt( n );
+ if ( m_strings )
+ m_strings->RemoveAt( n );
- if ( count > 1 )
- {
- void ** const data = &itemsData[0];
- if ( HasClientObjectData() )
- Append(items, wx_reinterpret_cast(wxClientData **, data));
- else
- Append(items, data);
- }
- //else: the control is now empty, nothing to append
+ InvalidateBestSize();
}
-int wxChoice::FindString( const wxString &string, bool bCase ) const
+int wxChoice::FindString( const wxString &item, bool bCase ) const
{
- wxCHECK_MSG( m_widget != NULL, wxNOT_FOUND, wxT("invalid choice") );
-
- // If you read this code once and you think you understand
- // it, then you are very wrong. Robert Roebling.
-
- GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
+ wxCHECK_MSG( m_widget != NULL, wxNOT_FOUND, wxT("invalid control") );
+
+ 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;
- GList *child = menu_shell->children;
- while (child)
+ do
{
- GtkBin *bin = GTK_BIN( child->data );
- GtkLabel *label = (GtkLabel *) NULL;
- if (bin->child)
- label = GTK_LABEL(bin->child);
- if (!label)
- label = GTK_LABEL(GTK_BIN(m_widget)->child);
+ GValue value = { 0, };
+ gtk_tree_model_get_value( model, &iter, m_stringCellIndex, &value );
+ wxString str = wxGTK_CONV_BACK( g_value_get_string( &value ) );
+ g_value_unset( &value );
- wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") );
-
- wxString tmp( wxGTK_CONV_BACK( gtk_label_get_text( label) ) );
- if (string.IsSameAs( tmp, bCase ))
+ if (item.IsSameAs( str, bCase ) )
return count;
- child = child->next;
count++;
}
+ while ( gtk_tree_model_iter_next(model, &iter) );
return wxNOT_FOUND;
}
int wxChoice::GetSelection() const
{
- wxCHECK_MSG( m_widget != NULL, wxNOT_FOUND, wxT("invalid choice") );
-
- return m_selection_hack;
-
+ return gtk_combo_box_get_active( GTK_COMBO_BOX( m_widget ) );
}
-void wxChoice::SetString(unsigned int n, const wxString& str)
+void wxChoice::SetString(unsigned int n, const wxString &text)
{
- wxCHECK_RET( m_widget != NULL, wxT("invalid choice") );
-
- GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
- unsigned int count = 0;
- GList *child = menu_shell->children;
- while (child)
- {
- GtkBin *bin = GTK_BIN( child->data );
- if (count == n)
- {
- GtkLabel *label = (GtkLabel *) NULL;
- if (bin->child)
- label = GTK_LABEL(bin->child);
- if (!label)
- label = GTK_LABEL(GTK_BIN(m_widget)->child);
+ wxCHECK_RET( m_widget != NULL, wxT("invalid control") );
- wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") );
+ GtkComboBox* combobox = GTK_COMBO_BOX( m_widget );
+ wxCHECK_RET( IsValid(n), wxT("invalid index") );
- gtk_label_set_text( label, wxGTK_CONV( str ) );
-
- InvalidateBestSize();
-
- return;
- }
- child = child->next;
- count++;
+ 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, m_stringCellIndex, &value );
+ g_value_unset( &value );
}
+
+ InvalidateBestSize();
}
wxString wxChoice::GetString(unsigned int n) const
{
- wxCHECK_MSG( m_widget != NULL, wxEmptyString, wxT("invalid choice") );
-
- GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
- unsigned int count = 0;
- GList *child = menu_shell->children;
- while (child)
- {
- GtkBin *bin = GTK_BIN( child->data );
- if (count == n)
- {
- GtkLabel *label = (GtkLabel *) NULL;
- if (bin->child)
- label = GTK_LABEL(bin->child);
- if (!label)
- label = GTK_LABEL(GTK_BIN(m_widget)->child);
+ wxCHECK_MSG( m_widget != NULL, wxEmptyString, wxT("invalid control") );
- wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") );
+ wxString str;
- return wxString( wxGTK_CONV_BACK( gtk_label_get_text( label) ) );
- }
- child = child->next;
- count++;
+ 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))
+ {
+ GValue value = { 0, };
+ gtk_tree_model_get_value( model, &iter, m_stringCellIndex, &value );
+ wxString tmp = wxGTK_CONV_BACK( g_value_get_string( &value ) );
+ g_value_unset( &value );
+ return tmp;
}
- wxFAIL_MSG( wxT("wxChoice: invalid index in GetString()") );
-
- return wxEmptyString;
+ return str;
}
unsigned int wxChoice::GetCount() const
{
- wxCHECK_MSG( m_widget != NULL, 0, wxT("invalid choice") );
-
- GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
- unsigned int count = 0;
- GList *child = menu_shell->children;
- while (child)
- {
- count++;
- child = child->next;
- }
- return count;
+ wxCHECK_MSG( m_widget != NULL, 0, wxT("invalid control") );
+
+ 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;
}
void wxChoice::SetSelection( int n )
{
- wxCHECK_RET( m_widget != NULL, wxT("invalid choice") );
+ wxCHECK_RET( m_widget != NULL, wxT("invalid control") );
- int tmp = n;
- gtk_option_menu_set_history( GTK_OPTION_MENU(m_widget), (gint)tmp );
+ GTKDisableEvents();
- // set the local selection variable manually
- if ((n >= 0) && ((unsigned int)n < GetCount()))
- {
- // a valid selection has been made
- m_selection_hack = n;
- }
- else if ((n == wxNOT_FOUND) || (GetCount() == 0))
- {
- // invalidates the selection if there are no items
- // or if it is specifically set to wxNOT_FOUND
- m_selection_hack = wxNOT_FOUND;
- }
- else
- {
- // this selects the first item by default if the selection is out of bounds
- m_selection_hack = 0;
- }
+ GtkComboBox* combobox = GTK_COMBO_BOX( m_widget );
+ gtk_combo_box_set_active( combobox, n );
+
+ GTKEnableEvents();
}
-void wxChoice::DoApplyWidgetStyle(GtkRcStyle *style)
+void wxChoice::SetColumns(int n)
{
- GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
-
- gtk_widget_modify_style( m_widget, style );
- gtk_widget_modify_style( GTK_WIDGET( menu_shell ), style );
-
- GList *child = menu_shell->children;
- while (child)
- {
- gtk_widget_modify_style( GTK_WIDGET( child->data ), style );
-
- GtkBin *bin = GTK_BIN( child->data );
- GtkWidget *label = (GtkWidget *) NULL;
- if (bin->child)
- label = bin->child;
- if (!label)
- label = GTK_BIN(m_widget)->child;
-
- gtk_widget_modify_style( label, style );
-
- child = child->next;
- }
+ gtk_combo_box_set_wrap_width(GTK_COMBO_BOX(m_widget), n);
}
-int wxChoice::GtkAddHelper(GtkWidget *menu, unsigned int pos, const wxString& item)
+int wxChoice::GetColumns() const
{
- wxCHECK_MSG(pos<=m_clientData.GetCount(), -1, wxT("invalid index"));
-
- GtkWidget *menu_item = gtk_menu_item_new_with_label( wxGTK_CONV( item ) );
-
- if ( m_strings )
- {
- // sorted control, need to insert at the correct index
- pos = m_strings->Add(item);
- }
-
- // don't call wxChoice::GetCount() from here because it doesn't work
- // if we're called from ctor (and GtkMenuShell is still NULL)
- if (pos == m_clientData.GetCount())
- gtk_menu_shell_append( GTK_MENU_SHELL(menu), menu_item );
- else
- gtk_menu_shell_insert( GTK_MENU_SHELL(menu), menu_item, pos );
-
- m_clientData.Insert( NULL, pos );
-
- if (GTK_WIDGET_REALIZED(m_widget))
- {
- gtk_widget_realize( menu_item );
- gtk_widget_realize( GTK_BIN(menu_item)->child );
+ // gtk_combo_box_get_wrap_width() was added in gtk 2.6
+ gint intval;
+ g_object_get(G_OBJECT(m_widget), "wrap-width", &intval, NULL);
+ return intval;
+}
- ApplyWidgetStyle();
- }
- // The best size of a wxChoice should probably
- // be changed everytime the control has been
- // changed, but at least after adding an item
- // it has to change. Adapted from Matt Ownby.
- InvalidateBestSize();
+void wxChoice::GTKDisableEvents()
+{
+ g_signal_handlers_block_by_func(m_widget,
+ (gpointer) gtk_choice_changed_callback, this);
+}
- g_signal_connect_after (menu_item, "activate",
- G_CALLBACK (gtk_choice_clicked_callback),
- this);
+void wxChoice::GTKEnableEvents()
+{
+ g_signal_handlers_unblock_by_func(m_widget,
+ (gpointer) gtk_choice_changed_callback, this);
+}
- gtk_widget_show( menu_item );
- // return the index of the item in the control
- return pos;
+GdkWindow *wxChoice::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const
+{
+ return gtk_widget_get_window(m_widget);
}
+// Notice that this method shouldn't be necessary, because GTK calculates
+// properly size of the combobox but for unknown reasons it doesn't work
+// correctly in wx without this.
wxSize wxChoice::DoGetBestSize() const
{
+ // strangely, this returns a width of 188 pixels from GTK+ (?)
wxSize ret( wxControl::DoGetBestSize() );
// we know better our horizontal extent: it depends on the longest string
- // we have
- ret.x = 0;
+ // in the combobox
if ( m_widget )
{
+ ret.x = GetCount() > 0 ? 0 : 60; // start with something "sensible"
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;
+ GetTextExtent(GetString(n), &width, NULL, NULL, NULL );
+ if ( width + 40 > ret.x ) // 40 for drop down arrow and space around text
+ ret.x = width + 40;
}
-
- // add extra for the choice "=" button
-
- // VZ: I don't know how to get the right value, it seems to be in
- // GtkOptionMenuProps struct from gtkoptionmenu.c but we can't get
- // to it - maybe we can use gtk_option_menu_size_request() for this
- // somehow?
- //
- // This default value works only for the default GTK+ theme (i.e.
- // no theme at all) (FIXME)
- static const int widthChoiceIndicator = 35;
- ret.x += widthChoiceIndicator;
}
- // but not less than the minimal width
- if ( ret.x < 80 )
+ // empty combobox should have some reasonable default size too
+ if ((GetCount() == 0) && (ret.x < 80))
ret.x = 80;
- // If this request_size is called with no entries then
- // the returned height is wrong. Give it a reasonable
- // default value.
- if (ret.y <= 18)
- ret.y = 8 + GetCharHeight();
-
CacheBestSize(ret);
return ret;
}
-GdkWindow *wxChoice::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const
+void wxChoice::DoApplyWidgetStyle(GtkRcStyle *style)
{
- return GTK_BUTTON(m_widget)->event_window;
+ gtk_widget_modify_style(m_widget, style);
+ gtk_widget_modify_style(gtk_bin_get_child(GTK_BIN(m_widget)), style);
}
+
// static
wxVisualAttributes
wxChoice::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
{
- return GetDefaultAttributesFromGTKWidget(gtk_option_menu_new);
+ return GetDefaultAttributesFromGTKWidget(gtk_combo_box_new);
}
-#endif // wxUSE_CHOICE
+#endif // wxUSE_CHOICE || wxUSE_COMBOBOX
projects / wxWidgets.git / blobdiff