/////////////////////////////////////////////////////////////////////////////
-// Name: choice.cpp
+// Name: src/gtk/choice.cpp
// Purpose:
// Author: Robert Roebling
// Id: $Id$
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-
-#ifdef __GNUG__
-#pragma implementation "choice.h"
-#endif
-
-#include "wx/choice.h"
+#include "wx/defs.h"
#if wxUSE_CHOICE
-#include "gdk/gdk.h"
-#include "gtk/gtk.h"
-
-//-----------------------------------------------------------------------------
-// idle system
-//-----------------------------------------------------------------------------
+#include "wx/choice.h"
+#include "wx/arrstr.h"
+
+// 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
-extern void wxapp_install_idle_handler();
-extern bool g_isIdle;
+#include "wx/gtk/private.h"
//-----------------------------------------------------------------------------
// data
// "activate"
//-----------------------------------------------------------------------------
+extern "C" {
static void gtk_choice_clicked_callback( GtkWidget *WXUNUSED(widget), wxChoice *choice )
{
if (g_isIdle)
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();
choice->GetEventHandler()->ProcessEvent(event);
}
+}
//-----------------------------------------------------------------------------
// wxChoice
m_strings = (wxSortedArrayString *)NULL;
}
+bool wxChoice::Create( wxWindow *parent, wxWindowID id,
+ const wxPoint &pos, const wxSize &size,
+ const wxArrayString& choices,
+ long style, const wxValidator& validator,
+ const wxString &name )
+{
+ wxCArrayString chs(choices);
+
+ return Create( parent, id, pos, size, chs.GetCount(), chs.GetStrings(),
+ style, validator, name );
+}
+
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 )
{
- m_needParent = TRUE;
+ m_needParent = true;
#if (GTK_MINOR_VERSION > 0)
- m_acceptsFocus = TRUE;
+ m_acceptsFocus = true;
#endif
if (!PreCreation( parent, pos, size ) ||
!CreateBase( parent, id, pos, size, style, validator, name ))
{
wxFAIL_MSG( wxT("wxChoice creation failed") );
- return FALSE;
+ return false;
}
m_widget = gtk_option_menu_new();
- wxSize newSize(size);
- if (newSize.x == -1)
- newSize.x = 80;
- if (newSize.y == -1)
- newSize.y = 26;
- SetSize( newSize.x, newSize.y );
-
if ( style & wxCB_SORT )
{
// if our m_strings != NULL, DoAppend() will check for it and insert
m_strings = new wxSortedArrayString;
}
+ // begin with no selection
+ m_selection_hack = wxNOT_FOUND;
+
GtkWidget *menu = gtk_menu_new();
for (int i = 0; i < n; i++)
{
- AppendHelper(menu, choices[i]);
+ GtkAddHelper(menu, i, choices[i]);
}
gtk_option_menu_set_menu( GTK_OPTION_MENU(m_widget), menu );
m_parent->DoAddChild( this );
- PostCreation();
-
- SetBackgroundColour( parent->GetBackgroundColour() );
- SetForegroundColour( parent->GetForegroundColour() );
- SetFont( parent->GetFont() );
-
- Show( TRUE );
+ PostCreation(size);
+ SetBestSize(size); // need this too because this is a wxControlWithItems
- return TRUE;
+ return true;
}
wxChoice::~wxChoice()
GtkWidget *menu = gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) );
- return AppendHelper(menu, item);
+ return GtkAddHelper(menu, GetCount(), item);
+}
+
+int wxChoice::DoInsert( const wxString &item, int pos )
+{
+ wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid choice control") );
+ wxCHECK_MSG( (pos>=0) && (pos<=GetCount()), -1, wxT("invalid index"));
+
+ if (pos == GetCount())
+ return DoAppend(item);
+
+ GtkWidget *menu = gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) );
+
+ // if the item to insert is at or before the selection, and the selection is valid
+ if ((pos <= m_selection_hack) && (m_selection_hack != wxNOT_FOUND))
+ {
+ // move the selection forward one
+ m_selection_hack++;
+ }
+
+ return GtkAddHelper(menu, pos, item);
}
void wxChoice::DoSetItemClientData( int n, void* clientData )
{
wxCHECK_RET( m_widget != NULL, wxT("invalid choice control") );
- wxNode *node = m_clientList.Nth( n );
+ wxList::compatibility_iterator node = m_clientList.Item( n );
wxCHECK_RET( node, wxT("invalid index in wxChoice::DoSetItemClientData") );
node->SetData( (wxObject*) clientData );
{
wxCHECK_MSG( m_widget != NULL, NULL, wxT("invalid choice control") );
- wxNode *node = m_clientList.Nth( n );
+ wxList::compatibility_iterator node = m_clientList.Item( n );
wxCHECK_MSG( node, NULL, wxT("invalid index in wxChoice::DoGetItemClientData") );
- return node->Data();
+ return node->GetData();
}
void wxChoice::DoSetItemClientObject( int n, wxClientData* clientData )
{
wxCHECK_RET( m_widget != NULL, wxT("invalid choice control") );
- wxNode *node = m_clientList.Nth( n );
+ wxList::compatibility_iterator node = m_clientList.Item( n );
wxCHECK_RET( node, wxT("invalid index in wxChoice::DoSetItemClientObject") );
- wxClientData *cd = (wxClientData*) node->Data();
- delete cd;
+ // wxItemContainer already deletes data for us
node->SetData( (wxObject*) clientData );
}
{
wxCHECK_MSG( m_widget != NULL, (wxClientData*) NULL, wxT("invalid choice control") );
- wxNode *node = m_clientList.Nth( n );
+ wxList::compatibility_iterator node = m_clientList.Item( n );
wxCHECK_MSG( node, (wxClientData *)NULL,
wxT("invalid index in wxChoice::DoGetItemClientObject") );
- return (wxClientData*) node->Data();
+ return (wxClientData*) node->GetData();
}
void wxChoice::Clear()
{
// destroy the data (due to Robert's idea of using wxList<wxObject>
// and not wxList<wxClientData> we can't just say
- // m_clientList.DeleteContents(TRUE) - this would crash!
- wxNode *node = m_clientList.First();
+ // m_clientList.DeleteContents(true) - this would crash!
+ wxList::compatibility_iterator node = m_clientList.GetFirst();
while ( node )
{
- delete (wxClientData *)node->Data();
- node = node->Next();
+ delete (wxClientData *)node->GetData();
+ node = node->GetNext();
}
}
m_clientList.Clear();
if ( m_strings )
m_strings->Clear();
+
+ // begin with no selection
+ m_selection_hack = wxNOT_FOUND;
}
-void wxChoice::Delete( int WXUNUSED(n) )
+void wxChoice::Delete( int n )
{
- wxFAIL_MSG( wxT("wxChoice:Delete not implemented") );
+ wxCHECK_RET( m_widget != NULL, wxT("invalid choice") );
+
+ // 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
+ int i,
+ count = GetCount();
+
+ wxCHECK_RET( n >= 0 && n < count, _T("invalid index in wxChoice::Delete") );
+
+ // if the item to delete is before the selection, and the selection is valid
+ if ((n < m_selection_hack) && (m_selection_hack != wxNOT_FOUND))
+ {
+ // move the selection back one
+ m_selection_hack--;
+ }
+ else if (n == m_selection_hack)
+ {
+ // invalidate the selection
+ m_selection_hack = wxNOT_FOUND;
+ }
+
+ const bool hasClientData = m_clientDataItemsType != wxClientData_None;
+ const bool hasObjectData = m_clientDataItemsType == wxClientData_Object;
+
+ wxList::compatibility_iterator node = m_clientList.GetFirst();
+
+ wxArrayString items;
+ wxArrayPtrVoid itemsData;
+ items.Alloc(count);
+ for ( i = 0; i < count; i++ )
+ {
+ if ( i != n )
+ {
+ items.Add(GetString(i));
+ if ( hasClientData )
+ {
+ // also save the client data
+ itemsData.Add(node->GetData());
+ }
+ }
+ else // need to delete the client object too
+ {
+ if ( hasObjectData )
+ {
+ delete (wxClientData *)node->GetData();
+ }
+ }
+
+ if ( hasClientData )
+ {
+ node = node->GetNext();
+ }
+ }
+
+ if ( hasObjectData )
+ {
+ // prevent Clear() from destroying all client data
+ m_clientDataItemsType = wxClientData_None;
+ }
+
+ Clear();
+
+ for ( i = 0; i < count - 1; i++ )
+ {
+ Append(items[i]);
+
+ if ( hasObjectData )
+ SetClientObject(i, (wxClientData *)itemsData[i]);
+ else if ( hasClientData )
+ SetClientData(i, itemsData[i]);
+ }
}
-int wxChoice::FindString( const wxString &string ) const
+int wxChoice::FindString( const wxString &string, bool bCase ) const
{
- wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid choice") );
+ 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.
{
GtkBin *bin = GTK_BIN( child->data );
GtkLabel *label = (GtkLabel *) NULL;
- if (bin->child) label = GTK_LABEL(bin->child);
- if (!label) label = GTK_LABEL( GTK_BUTTON(m_widget)->child );
+ if (bin->child)
+ label = GTK_LABEL(bin->child);
+ if (!label)
+ label = GTK_LABEL(GTK_BIN(m_widget)->child);
wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") );
- if (string == wxString(label->label,*wxConvCurrent))
- return count;
+ wxString tmp( wxGTK_CONV_BACK( gtk_label_get_text( label) ) );
+ if (string.IsSameAs( tmp, bCase ))
+ return count;
- child = child->next;
- count++;
+ child = child->next;
+ count++;
}
- return -1;
+ return wxNOT_FOUND;
}
int wxChoice::GetSelection() const
{
- wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid choice") );
+ wxCHECK_MSG( m_widget != NULL, wxNOT_FOUND, wxT("invalid choice") );
+
+ return m_selection_hack;
+
+}
+
+void wxChoice::SetString( int n, const wxString& str )
+{
+ wxCHECK_RET( m_widget != NULL, wxT("invalid choice") );
GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
int count = 0;
while (child)
{
GtkBin *bin = GTK_BIN( child->data );
- if (!bin->child) return count;
- child = child->next;
- count++;
- }
+ 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);
- return -1;
-}
+ wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") );
-void wxChoice::SetString( int WXUNUSED(n), const wxString& WXUNUSED(string) )
-{
- wxCHECK_RET( m_widget != NULL, wxT("invalid choice") );
+ gtk_label_set_text( label, wxGTK_CONV( str ) );
- wxFAIL_MSG(wxT("not implemented"));
+ return;
+ }
+ child = child->next;
+ count++;
+ }
}
wxString wxChoice::GetString( int n ) const
{
- wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid choice") );
+ 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) ) );
int count = 0;
if (count == n)
{
GtkLabel *label = (GtkLabel *) NULL;
- if (bin->child) label = GTK_LABEL(bin->child);
- if (!label) label = GTK_LABEL( GTK_BUTTON(m_widget)->child );
+ if (bin->child)
+ label = GTK_LABEL(bin->child);
+ if (!label)
+ label = GTK_LABEL(GTK_BIN(m_widget)->child);
wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") );
- return wxString(label->label,*wxConvCurrent);
+ return wxString( wxGTK_CONV_BACK( gtk_label_get_text( label) ) );
}
child = child->next;
count++;
wxFAIL_MSG( wxT("wxChoice: invalid index in GetString()") );
- return wxT("");
+ return wxEmptyString;
}
int wxChoice::GetCount() const
int tmp = n;
gtk_option_menu_set_history( GTK_OPTION_MENU(m_widget), (gint)tmp );
-}
-void wxChoice::DisableEvents()
-{
-/*
- GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
- GList *child = menu_shell->children;
- while (child)
+ // set the local selection variable manually
+ if ((n >= 0) && (n < GetCount()))
{
- gtk_signal_disconnect_by_func( GTK_OBJECT( child->data ),
- GTK_SIGNAL_FUNC(gtk_choice_clicked_callback), (gpointer*)this );
-
- child = child->next;
+ // a valid selection has been made
+ m_selection_hack = n;
}
-*/
-}
-
-void wxChoice::EnableEvents()
-{
-/*
- GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
- GList *child = menu_shell->children;
- while (child)
+ else if ((n == wxNOT_FOUND) || (GetCount() == 0))
{
- gtk_signal_connect( GTK_OBJECT( child->data ), "activate",
- GTK_SIGNAL_FUNC(gtk_choice_clicked_callback), (gpointer*)this );
-
- child = child->next;
+ // 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;
}
-*/
}
-void wxChoice::ApplyWidgetStyle()
+void wxChoice::DoApplyWidgetStyle(GtkRcStyle *style)
{
- SetWidgetStyle();
-
GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
- gtk_widget_set_style( m_widget, m_widgetStyle );
- gtk_widget_set_style( GTK_WIDGET( menu_shell ), m_widgetStyle );
+ 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_set_style( GTK_WIDGET( child->data ), m_widgetStyle );
+ 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_BUTTON(m_widget)->child;
+ if (bin->child)
+ label = bin->child;
+ if (!label)
+ label = GTK_BIN(m_widget)->child;
- gtk_widget_set_style( label, m_widgetStyle );
+ gtk_widget_modify_style( label, style );
child = child->next;
}
}
-size_t wxChoice::AppendHelper(GtkWidget *menu, const wxString& item)
+int wxChoice::GtkAddHelper(GtkWidget *menu, int pos, const wxString& item)
{
- GtkWidget *menu_item = gtk_menu_item_new_with_label( item.mbc_str() );
+ wxCHECK_MSG((pos>=0) && (pos<=(int)m_clientList.GetCount()), -1, wxT("invalid index"));
+
+ GtkWidget *menu_item = gtk_menu_item_new_with_label( wxGTK_CONV( item ) );
size_t index;
if ( m_strings )
// sorted control, need to insert at the correct index
index = m_strings->Add(item);
- gtk_menu_insert( GTK_MENU(menu), menu_item, index );
+ gtk_menu_shell_insert( GTK_MENU_SHELL(menu), menu_item, index );
if ( index )
{
}
else
{
- // normal control, just append
- gtk_menu_append( GTK_MENU(menu), menu_item );
-
- m_clientList.Append( (wxObject*) NULL );
-
// don't call wxChoice::GetCount() from here because it doesn't work
// if we're called from ctor (and GtkMenuShell is still NULL)
- index = m_clientList.GetCount() - 1;
+
+ // normal control, just append
+ if (pos == (int)m_clientList.GetCount())
+ {
+ gtk_menu_shell_append( GTK_MENU_SHELL(menu), menu_item );
+ m_clientList.Append( (wxObject*) NULL );
+ index = m_clientList.GetCount() - 1;
+ }
+ else
+ {
+ gtk_menu_shell_insert( GTK_MENU_SHELL(menu), menu_item, pos );
+ m_clientList.Insert( pos, (wxObject*) NULL );
+ index = pos;
+ }
}
if (GTK_WIDGET_REALIZED(m_widget))
gtk_widget_realize( menu_item );
gtk_widget_realize( GTK_BIN(menu_item)->child );
- if (m_widgetStyle) ApplyWidgetStyle();
+ ApplyWidgetStyle();
}
- gtk_signal_connect( GTK_OBJECT( menu_item ), "activate",
- GTK_SIGNAL_FUNC(gtk_choice_clicked_callback), (gpointer*)this );
+ // 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();
+
+ g_signal_connect_after (menu_item, "activate",
+ G_CALLBACK (gtk_choice_clicked_callback),
+ this);
gtk_widget_show( menu_item );
return index;
}
-#endif
+wxSize wxChoice::DoGetBestSize() const
+{
+ wxSize ret( wxControl::DoGetBestSize() );
+
+ // we know better our horizontal extent: it depends on the longest string
+ // we have
+ ret.x = 0;
+ 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;
+ }
+
+ // 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 )
+ 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;
+}
+
+bool wxChoice::IsOwnGtkWindow( GdkWindow *window )
+{
+ return GTK_BUTTON(m_widget)->event_window;
+}
+
+// static
+wxVisualAttributes
+wxChoice::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
+{
+ return GetDefaultAttributesFromGTKWidget(gtk_option_menu_new);
+}
+
+
+#endif // wxUSE_CHOICE
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