/////////////////////////////////////////////////////////////////////////////
-// 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
+// Id: $Id$
+// 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"
#include "wx/combobox.h"
-#include <wx/intl.h>
+
+#if wxUSE_COMBOBOX
+
+#include "wx/settings.h"
+#include "wx/arrstr.h"
+#include "wx/intl.h"
+
+#include "wx/textctrl.h" // for wxEVT_COMMAND_TEXT_UPDATED
+
+#include "wx/gtk/private.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
//-----------------------------------------------------------------------------
-// wxComboBox
+// "changed" - typing and list item matches get changed, select-child
+// if it doesn't match an item then just get a single changed
//-----------------------------------------------------------------------------
-//-----------------------------------------------------------------------------
-// clicked
+extern "C" {
+static void
+gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo )
+{
+ if (g_isIdle) wxapp_install_idle_handler();
-static void gtk_combo_clicked_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo )
+ if (combo->m_ignoreNextUpdate)
+ {
+ combo->m_ignoreNextUpdate = false;
+ return;
+ }
+
+ if (!combo->m_hasVMT) return;
+
+ wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, combo->GetId() );
+ event.SetString( combo->GetValue() );
+ event.SetEventObject( combo );
+ combo->GetEventHandler()->ProcessEvent( event );
+}
+}
+
+extern "C" {
+static void
+gtk_dummy_callback(GtkEntry *WXUNUSED(entry), GtkCombo *WXUNUSED(combo))
+{
+}
+}
+
+extern "C" {
+static void
+gtk_popup_hide_callback(GtkCombo *WXUNUSED(gtk_combo), wxComboBox *combo)
{
- if (!combo->HasVMT()) return;
- if (g_blockEventsOnDrag) return;
-
- if (combo->m_alreadySent)
- {
- combo->m_alreadySent = FALSE;
- return;
- }
+ // 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;
- 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);
+ // 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();
+}
}
//-----------------------------------------------------------------------------
-// size
-
-/*
-static gint gtk_combo_size_callback( GtkCombo *widget, GtkAllocation* alloc, wxComboBox *win )
-{
- if (!win->HasVMT()) return FALSE;
- if (g_blockEventsOnDrag) return FALSE;
- if (!widget->button) return FALSE;
-
- widget->button->allocation.x =
- alloc->width - widget->button->allocation.width;
-
- return FALSE;
-}
-*/
+// "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.
+ gtk_signal_disconnect_by_func( GTK_OBJECT(GTK_COMBO(combo->GetHandle())->entry),
+ GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)combo );
+ combo->SetValue( combo->GetStringSelection() );
+ gtk_signal_connect_after( GTK_OBJECT(GTK_COMBO(combo->GetHandle())->entry), "changed",
+ GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)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)
-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] );
-
+BEGIN_EVENT_TABLE(wxComboBox, wxControl)
+ EVT_SIZE(wxComboBox::OnSize)
+ 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,
+ 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 )
+{
+ 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 ))
+ {
+ wxFAIL_MSG( wxT("wxComboBox creation failed") );
+ return false;
+ }
+
+ m_widget = gtk_combo_new();
+ GtkCombo *combo = GTK_COMBO(m_widget);
+
+ // Disable GTK's broken events ...
+ gtk_signal_disconnect( GTK_OBJECT(combo->entry), combo->entry_change_id );
+ // ... and add surrogate handler.
+ combo->entry_change_id = gtk_signal_connect (GTK_OBJECT (combo->entry), "changed",
+ (GtkSignalFunc) 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 );
+
+#ifdef __WXGTK20__
+ if (style & wxNO_BORDER)
+ g_object_set( GTK_ENTRY( combo->entry ), "has-frame", FALSE, NULL );
+#endif
+
+ GtkWidget *list = GTK_COMBO(m_widget)->list;
+
+#ifndef __WXGTK20__
+ // gtk_list_set_selection_mode( GTK_LIST(list), GTK_SELECTION_MULTIPLE );
+#endif
+
+ 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
+ gtk_signal_connect( GTK_OBJECT(GTK_COMBO(combo)->popwin), "hide",
+ GTK_SIGNAL_FUNC(gtk_popup_hide_callback), (gpointer)this );
+ gtk_signal_connect( GTK_OBJECT(GTK_COMBO(combo)->popwin), "show",
+ GTK_SIGNAL_FUNC(gtk_popup_show_callback), (gpointer)this );
+
+ gtk_signal_connect_after( GTK_OBJECT(combo->entry), "changed",
+ GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this );
+
+ gtk_signal_connect_after( GTK_OBJECT(combo->list), "select-child",
+ GTK_SIGNAL_FUNC(gtk_combo_select_child_callback), (gpointer)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();
+}
+
+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 );
-
- m_clientData.Append( (wxObject*)NULL );
-
+
+ if (GTK_WIDGET_REALIZED(m_widget))
+ {
+ gtk_widget_realize( list_item );
+ gtk_widget_realize( GTK_BIN(list_item)->child );
+ }
+
+ // Apply current widget style to the new list_item
+ GtkRcStyle *style = CreateWidgetStyle();
+ if (style)
+ {
+ 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 );
+ }
+
+ gtk_widget_show( list_item );
+
+ 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))
+ {
+ gtk_widget_realize( list_item );
+ gtk_widget_realize( GTK_BIN(list_item)->child );
+
+ ApplyWidgetStyle();
+ }
+
gtk_widget_show( list_item );
-
- gtk_signal_connect( GTK_OBJECT(list_item), "select",
- GTK_SIGNAL_FUNC(gtk_combo_clicked_callback), (gpointer)this );
- }
-
- PostCreation();
-/*
- gtk_signal_connect( GTK_OBJECT(m_widget), "size_allocate",
- GTK_SIGNAL_FUNC(gtk_combo_size_callback), (gpointer)this );
-*/
+ 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();
- if (!value.IsNull()) SetValue( value );
-
- Show( TRUE );
-
- return TRUE;
+ return pos;
}
-void wxComboBox::Clear(void)
+void wxComboBox::DoSetItemClientData( int n, void* clientData )
{
- GtkWidget *list = GTK_COMBO(m_widget)->list;
- gtk_list_clear_items( GTK_LIST(list), 0, Number() );
-
- m_clientData.Clear();
+ 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::Append( const wxString &item )
+void wxComboBox::DoSetItemClientObject( int n, wxClientData* clientData )
{
- Append( item, (char*)NULL );
+ 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 );
}
-void wxComboBox::Append( const wxString &item, char *clientData )
+wxClientData* wxComboBox::DoGetItemClientObject( int n ) const
{
- GtkWidget *list = GTK_COMBO(m_widget)->list;
-
- GtkWidget *list_item;
- list_item = gtk_list_item_new_with_label( item );
-
- gtk_signal_connect( GTK_OBJECT(list_item), "select",
- GTK_SIGNAL_FUNC(gtk_combo_clicked_callback), (gpointer)this );
-
- gtk_container_add( GTK_CONTAINER(list), list_item );
-
- gtk_widget_show( list_item );
-
- m_clientData.Append( (wxObject*)clientData );
+ 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() );
+
+ 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();
+
+ EnableEvents();
+
+ InvalidateBestSize();
}
void wxComboBox::Delete( int n )
{
- GtkWidget *list = GTK_COMBO(m_widget)->list;
- gtk_list_clear_items( GTK_LIST(list), n, n );
-
- wxNode *node = m_clientData.Nth( n );
- if (!node)
- {
- wxFAIL_MSG( "wxComboBox: 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 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)
- {
+ wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
+
+ GtkList *listbox = GTK_LIST( GTK_COMBO(m_widget)->list );
+
+ GList *child = g_list_nth( listbox->children, n );
+
+ if (!child)
+ {
+ wxFAIL_MSG(wxT("wrong index"));
+ return;
+ }
+
+ DisableEvents();
+
+ GList *list = g_list_append( (GList*) NULL, child->data );
+ gtk_list_remove_items( listbox, list );
+ g_list_free( list );
+
+ wxList::compatibility_iterator node = m_clientObjectList.Item( n );
+ if (node)
+ {
+ wxClientData *cd = (wxClientData*)node->GetData();
+ if (cd) delete cd;
+ m_clientObjectList.Erase( node );
+ }
+
+ 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") );
+
+ 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
+ {
+ wxFAIL_MSG( wxT("wxComboBox: wrong index") );
+ }
+
+ InvalidateBestSize();
+}
+
+int wxComboBox::FindString( const wxString &item, bool bCase ) const
+{
+ 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)
{
- if (child->data == selection->data) return count;
- count++;
- child = child->next;
+ GtkBin *bin = GTK_BIN( child->data );
+ GtkLabel *label = GTK_LABEL( bin->child );
+#ifdef __WXGTK20__
+ wxString str( wxGTK_CONV_BACK( gtk_label_get_text(label) ) );
+#else
+ wxString str( label->label );
+#endif
+ if (item.IsSameAs( str , bCase ) )
+ return count;
+
+ count++;
+ child = child->next;
+ }
+
+ return wxNOT_FOUND;
+}
+
+int wxComboBox::GetSelection() 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;
+}
+
+int wxComboBox::GetCurrentSelection() const
+{
+ wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid combobox") );
+
+ 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)
+ {
+ if (child->data == selection->data) return count;
+ count++;
+ child = child->next;
+ }
}
- }
-
- wxFAIL_MSG( "wxComboBox: no selection" );
-
- return -1;
+
+ return -1;
}
wxString wxComboBox::GetString( int n ) const
{
- 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 "";
-}
-
-wxString wxComboBox::GetStringSelection(void) 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 "";
+ wxCHECK_MSG( m_widget != NULL, wxEmptyString, wxT("invalid combobox") );
+
+ GtkWidget *list = GTK_COMBO(m_widget)->list;
+
+ wxString str;
+ GList *child = g_list_nth( GTK_LIST(list)->children, n );
+ if (child)
+ {
+ GtkBin *bin = GTK_BIN( child->data );
+ GtkLabel *label = GTK_LABEL( bin->child );
+#ifdef __WXGTK20__
+ str = wxGTK_CONV_BACK( gtk_label_get_text(label) );
+#else
+ str = wxString( label->label );
+#endif
+ }
+ else
+ {
+ wxFAIL_MSG( wxT("wxComboBox: wrong index") );
+ }
+
+ return str;
}
-int wxComboBox::Number(void) const
+wxString wxComboBox::GetStringSelection() const
{
- GtkWidget *list = GTK_COMBO(m_widget)->list;
-
- GList *child = GTK_LIST(list)->children;
- int count = 0;
- while (child) { count++; child = child->next; }
- return count;
+ 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 );
+#ifdef __WXGTK20__
+ wxString tmp( wxGTK_CONV_BACK( gtk_label_get_text(label) ) );
+#else
+ wxString tmp( label->label );
+#endif
+ return tmp;
+ }
+
+ wxFAIL_MSG( wxT("wxComboBox: no selection") );
+
+ return wxEmptyString;
}
-void wxComboBox::SetSelection( int n )
+int wxComboBox::GetCount() const
{
- GtkWidget *list = GTK_COMBO(m_widget)->list;
- gtk_list_select_item( GTK_LIST(list), n );
+ wxCHECK_MSG( m_widget != NULL, 0, wxT("invalid combobox") );
+
+ GtkWidget *list = GTK_COMBO(m_widget)->list;
+
+ GList *child = GTK_LIST(list)->children;
+ int count = 0;
+ while (child) { count++; child = child->next; }
+ return count;
}
-void wxComboBox::SetStringSelection( const wxString &string )
+void wxComboBox::SetSelection( int n )
{
- int res = FindString( string );
- if (res == -1) return;
- SetSelection( res );
+ 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();
}
-wxString wxComboBox::GetValue(void) const
+wxString wxComboBox::GetValue() const
{
- GtkWidget *entry = GTK_COMBO(m_widget)->entry;
- wxString tmp = gtk_entry_get_text( GTK_ENTRY(entry) );
- return tmp;
+ 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" );
+#endif
+
+ return tmp;
}
void wxComboBox::SetValue( const wxString& value )
{
- GtkWidget *entry = GTK_COMBO(m_widget)->entry;
- wxString tmp = "";
- if (!value.IsNull()) tmp = value;
- gtk_entry_set_text( GTK_ENTRY(entry), tmp );
+ 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::Copy(void)
+void wxComboBox::Cut()
{
- GtkWidget *entry = GTK_COMBO(m_widget)->entry;
- gtk_editable_copy_clipboard( GTK_EDITABLE(entry), 0 );
+ 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::Cut(void)
+void wxComboBox::Paste()
{
- GtkWidget *entry = GTK_COMBO(m_widget)->entry;
- gtk_editable_cut_clipboard( GTK_EDITABLE(entry), 0 );
+ 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::Paste(void)
+void wxComboBox::Undo()
{
- GtkWidget *entry = GTK_COMBO(m_widget)->entry;
- gtk_editable_paste_clipboard( GTK_EDITABLE(entry), 0 );
+ // TODO
}
-void wxComboBox::SetInsertionPoint( long pos )
+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
{
- GtkWidget *entry = GTK_COMBO(m_widget)->entry;
- int tmp = (int) pos;
- gtk_entry_set_position( GTK_ENTRY(entry), tmp );
+ return CanCopy() && IsEditable();
}
-void wxComboBox::SetInsertionPointEnd(void)
+bool wxComboBox::CanPaste() const
{
- GtkWidget *entry = GTK_COMBO(m_widget)->entry;
- int pos = GTK_ENTRY(entry)->text_length;
- SetInsertionPoint( pos-1 );
+ // TODO: check for text on the clipboard
+ return IsEditable() ;
}
-long wxComboBox::GetInsertionPoint(void) const
+bool wxComboBox::IsEditable() const
{
- GtkWidget *entry = GTK_COMBO(m_widget)->entry;
- return (long) GTK_EDITABLE(entry)->current_pos;
+ return !HasFlag(wxCB_READONLY);
}
-long wxComboBox::GetLastPosition(void) const
+
+void wxComboBox::SetInsertionPoint( long pos )
{
- GtkWidget *entry = GTK_COMBO(m_widget)->entry;
- int pos = GTK_ENTRY(entry)->text_length;
- return (long) pos-1;
+ 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 )
{
- 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 );
+ 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 );
+#else
+ gtk_editable_insert_text( GTK_EDITABLE(entry), value.c_str(), value.Length(), &pos );
+#endif
}
-void wxComboBox::Remove(long from, long to)
+void wxComboBox::SetSelection( long from, long to )
{
- GtkWidget *entry = GTK_COMBO(m_widget)->entry;
- gtk_editable_delete_text( GTK_EDITABLE(entry), (gint)from, (gint)to );
+ GtkWidget *entry = GTK_COMBO(m_widget)->entry;
+ gtk_editable_select_region( GTK_EDITABLE(entry), (gint)from, (gint)to );
}
-void wxComboBox::SetSelection( long WXUNUSED(from), long WXUNUSED(to) )
+void wxComboBox::GetSelection( long* from, long* to ) const
{
+ if (IsEditable())
+ {
+ GtkEditable *editable = GTK_EDITABLE(GTK_COMBO(m_widget)->entry);
+#ifdef __WXGTK20__
+ gint start, end;
+ gtk_editable_get_selection_bounds(editable, & start, & end);
+ *from = start;
+ *to = end;
+#else
+ *from = (long) editable->selection_start_pos;
+ *to = (long) editable->selection_end_pos;
+#endif
+ }
}
-void wxComboBox::SetEditable( bool WXUNUSED(editable) )
+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 )
+{
+ 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()
+{
+ gtk_signal_disconnect_by_func( GTK_OBJECT(GTK_COMBO(m_widget)->list),
+ GTK_SIGNAL_FUNC(gtk_combo_select_child_callback), (gpointer)this );
+ gtk_signal_disconnect_by_func( GTK_OBJECT(GTK_COMBO(m_widget)->entry),
+ GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this );
+}
+
+void wxComboBox::EnableEvents()
+{
+ gtk_signal_connect_after( GTK_OBJECT(GTK_COMBO(m_widget)->list), "select-child",
+ GTK_SIGNAL_FUNC(gtk_combo_select_child_callback), (gpointer)this );
+ gtk_signal_connect_after( GTK_OBJECT(GTK_COMBO(m_widget)->entry), "changed",
+ GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)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();
+}
+
+void wxComboBox::DoApplyWidgetStyle(GtkRcStyle *style)
+{
+// 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 );
+
+ GtkList *list = GTK_LIST( GTK_COMBO(m_widget)->list );
+ GList *child = list->children;
+ while (child)
+ {
+ 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;
+ }
+}
+
+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::OnCut(wxCommandEvent& WXUNUSED(event))
+{
+ Cut();
+}
+
+void wxComboBox::OnCopy(wxCommandEvent& WXUNUSED(event))
+{
+ Copy();
+}
+
+void wxComboBox::OnPaste(wxCommandEvent& WXUNUSED(event))
+{
+ Paste();
+}
+
+void wxComboBox::OnUndo(wxCommandEvent& WXUNUSED(event))
+{
+ Undo();
+}
+
+void wxComboBox::OnRedo(wxCommandEvent& WXUNUSED(event))
+{
+ Redo();
+}
+
+void wxComboBox::OnDelete(wxCommandEvent& WXUNUSED(event))
+{
+ long from, to;
+ GetSelection(& from, & to);
+ if (from != -1 && to != -1)
+ Remove(from, to);
+}
+
+void wxComboBox::OnSelectAll(wxCommandEvent& WXUNUSED(event))
+{
+ SetSelection(-1, -1);
+}
+
+void wxComboBox::OnUpdateCut(wxUpdateUIEvent& event)
+{
+ event.Enable( CanCut() );
+}
+
+void wxComboBox::OnUpdateCopy(wxUpdateUIEvent& event)
+{
+ event.Enable( CanCopy() );
+}
+
+void wxComboBox::OnUpdatePaste(wxUpdateUIEvent& event)
+{
+ event.Enable( CanPaste() );
+}
+
+void wxComboBox::OnUpdateUndo(wxUpdateUIEvent& event)
+{
+ 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(GetLastPosition() > 0);
+}
+
+#endif
projects / wxWidgets.git / blobdiff