X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8a85884a0fcb461dd300f937556e9652ccd5a2cd..aa78d22e2008726218d47da1f2ac5864c11b8ebb:/src/gtk1/combobox.cpp?ds=sidebyside diff --git a/src/gtk1/combobox.cpp b/src/gtk1/combobox.cpp index 9550e296d3..aa879cab6f 100644 --- a/src/gtk1/combobox.cpp +++ b/src/gtk1/combobox.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: combobox.cpp +// Name: src/gtk1/combobox.cpp // Purpose: // Author: Robert Roebling // Id: $Id$ @@ -7,67 +7,162 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "combobox.h" -#endif +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" +#if wxUSE_COMBOBOX #include "wx/combobox.h" -#include +#include "wx/settings.h" +#include "wx/arrstr.h" +#include "wx/intl.h" + +#include "wx/textctrl.h" // for wxEVT_COMMAND_TEXT_UPDATED -#include "gdk/gdk.h" -#include "gtk/gtk.h" +#include "wx/gtk1/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 //----------------------------------------------------------------------------- -// "select" +// "changed" - typing and list item matches get changed, select-child +// if it doesn't match an item then just get a single changed //----------------------------------------------------------------------------- +extern "C" { static void -gtk_combo_clicked_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo ) +gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo ) { - if (!combo->HasVMT()) - return; + if (g_isIdle) wxapp_install_idle_handler(); - if (g_blockEventsOnDrag) - return; - - if (combo->m_alreadySent) + if (combo->m_ignoreNextUpdate) { - combo->m_alreadySent = FALSE; + combo->m_ignoreNextUpdate = false; return; } - combo->m_alreadySent = TRUE; + if (!combo->m_hasVMT) return; - wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, combo->GetId() ); - event.SetInt( combo->GetSelection() ); - event.SetString( copystring(combo->GetStringSelection()) ); + 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) +{ + // 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; - delete [] event.GetString(); + // 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(); +} } //----------------------------------------------------------------------------- -// "changed" +// "select-child" - click/cursor get select-child, changed, select-child //----------------------------------------------------------------------------- +extern "C" { static void -gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo ) +gtk_combo_select_child_callback( GtkList *WXUNUSED(list), GtkWidget *WXUNUSED(widget), wxComboBox *combo ) { - wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, combo->GetId() ); - event.SetString( copystring(combo->GetValue()) ); - event.SetEventObject( combo ); - combo->GetEventHandler()->ProcessEvent( event ); + 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; - delete [] event.GetString(); + 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 ); + } +} } //----------------------------------------------------------------------------- @@ -79,199 +174,307 @@ IMPLEMENT_DYNAMIC_CLASS(wxComboBox,wxControl) 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_alreadySent = FALSE; - m_needParent = TRUE; - m_acceptsFocus = TRUE; - - PreCreation( parent, id, pos, size, style, name ); + m_ignoreNextUpdate = false; + m_needParent = true; + m_acceptsFocus = true; + m_prevSelection = 0; - SetValidator( validator ); + 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); + gtk_combo_set_use_arrows_always( GTK_COMBO(m_widget), TRUE ); - wxSize newSize = size; - if (newSize.x == -1) - newSize.x = 100; - if (newSize.y == -1) - newSize.y = 26; - SetSize( newSize.x, newSize.y ); + // and case-sensitive + gtk_combo_set_case_sensitive( GTK_COMBO(m_widget), TRUE ); GtkWidget *list = GTK_COMBO(m_widget)->list; + // gtk_list_set_selection_mode( GTK_LIST(list), GTK_SELECTION_MULTIPLE ); + for (int i = 0; i < n; i++) { - GtkWidget *list_item = gtk_list_item_new_with_label( choices[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_realize( list_item ); - gtk_widget_realize( GTK_BIN(list_item)->child ); - gtk_widget_show( list_item ); - - gtk_signal_connect( GTK_OBJECT(list_item), "select", - GTK_SIGNAL_FUNC(gtk_combo_clicked_callback), (gpointer)this ); } - m_parent->AddChild( this ); + m_parent->DoAddChild( this ); + + m_focusWidget = combo->entry; + + PostCreation(size); - (m_parent->m_insertCallback)( m_parent, this ); + ConnectWidget( combo->button ); - PostCreation(); + // 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) ); - ConnectWidget( GTK_COMBO(m_widget)->button ); + if (style & wxCB_READONLY) + gtk_entry_set_editable( GTK_ENTRY( combo->entry ), FALSE ); - if (!value.IsNull()) SetValue( value ); + // "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_widget_realize( GTK_COMBO(m_widget)->list ); - gtk_widget_realize( GTK_COMBO(m_widget)->entry ); - gtk_widget_realize( GTK_COMBO(m_widget)->button ); + gtk_signal_connect_after( GTK_OBJECT(combo->entry), "changed", + GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this ); - gtk_signal_connect( GTK_OBJECT(GTK_COMBO(m_widget)->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 ); - SetBackgroundColour( parent->GetBackgroundColour() ); - SetForegroundColour( parent->GetForegroundColour() ); - SetFont( parent->GetFont() ); + SetBestSize(size); // need this too because this is a wxControlWithItems - Show( TRUE ); + // This is required for tool bar support +// wxSize setsize = GetSize(); +// gtk_widget_set_usize( m_widget, setsize.x, setsize.y ); - return TRUE; + return true; } wxComboBox::~wxComboBox() { - wxNode *node = m_clientDataList.First(); + wxList::compatibility_iterator node = m_clientObjectList.GetFirst(); while (node) { - wxClientData *cd = (wxClientData*)node->Data(); + wxClientData *cd = (wxClientData*)node->GetData(); if (cd) delete cd; - node = node->Next(); + node = node->GetNext(); } + m_clientObjectList.Clear(); + m_clientDataList.Clear(); } -void wxComboBox::AppendCommon( const wxString &item ) +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_RET( m_widget != NULL, "invalid combobox" ); + wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid combobox") ); - GtkWidget *list = GTK_COMBO(m_widget)->list; + DisableEvents(); - GtkWidget *list_item = gtk_list_item_new_with_label( item ); + GtkWidget *list = GTK_COMBO(m_widget)->list; - gtk_signal_connect( GTK_OBJECT(list_item), "select", - GTK_SIGNAL_FUNC(gtk_combo_clicked_callback), (gpointer)this ); + GtkWidget *list_item = gtk_list_item_new_with_label( wxGTK_CONV( item ) ); gtk_container_add( GTK_CONTAINER(list), list_item ); - if (m_widgetStyle) ApplyWidgetStyle(); + 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 ); -} -void wxComboBox::Append( const wxString &item ) -{ - m_clientDataList.Append( (wxObject*) NULL ); - m_clientObjectList.Append( (wxObject*) NULL ); + const size_t count = GetCount(); - AppendCommon( item ); -} + if ( m_clientDataList.GetCount() < count ) + m_clientDataList.Append( (wxObject*) NULL ); + if ( m_clientObjectList.GetCount() < count ) + m_clientObjectList.Append( (wxObject*) NULL ); -void wxComboBox::Append( const wxString &item, void *clientData ) -{ - m_clientDataList.Append( (wxObject*) clientData ); - m_clientObjectList.Append( (wxObject*)NULL ); + EnableEvents(); + + InvalidateBestSize(); - AppendCommon( item ); + return count - 1; } -void wxComboBox::Append( const wxString &item, wxClientData *clientData ) +int wxComboBox::DoInsert( const wxString &item, int pos ) { - m_clientDataList.Append( (wxObject*) NULL ); - m_clientObjectList.Append( (wxObject*) clientData ); + wxCHECK_MSG( !(GetWindowStyle() & wxCB_SORT), -1, + wxT("can't insert into sorted list")); + + wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid combobox") ); + + wxCHECK_MSG( IsValidInsert(pos), -1, wxT("invalid index") ); + + if ((size_t)pos == GetCount()) + 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 ); + + const size_t count = GetCount(); + + if ( m_clientDataList.GetCount() < count ) + m_clientDataList.Insert( pos, (wxObject*) NULL ); + if ( m_clientObjectList.GetCount() < count ) + m_clientObjectList.Insert( pos, (wxObject*) NULL ); + + EnableEvents(); + + InvalidateBestSize(); - AppendCommon( item ); + return pos; } -void wxComboBox::SetClientData( int n, void* clientData ) +void wxComboBox::DoSetItemClientData( int n, void* clientData ) { - wxCHECK_RET( m_widget != NULL, "invalid combobox" ); + wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") ); - wxNode *node = m_clientDataList.Nth( n ); + wxList::compatibility_iterator node = m_clientDataList.Item( n ); if (!node) return; node->SetData( (wxObject*) clientData ); } -void* wxComboBox::GetClientData( int n ) +void* wxComboBox::DoGetItemClientData( int n ) const { - wxCHECK_MSG( m_widget != NULL, NULL, "invalid combobox" ); + wxCHECK_MSG( m_widget != NULL, NULL, wxT("invalid combobox") ); - wxNode *node = m_clientDataList.Nth( n ); - if (!node) return NULL; + wxList::compatibility_iterator node = m_clientDataList.Item( n ); - return node->Data(); + return node ? node->GetData() : NULL; } -void wxComboBox::SetClientObject( int n, wxClientData* clientData ) +void wxComboBox::DoSetItemClientObject( int n, wxClientData* clientData ) { - wxCHECK_RET( m_widget != NULL, "invalid combobox" ); + wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") ); - wxNode *node = m_clientObjectList.Nth( n ); + wxList::compatibility_iterator node = m_clientObjectList.Item( n ); if (!node) return; - wxClientData *cd = (wxClientData*) node->Data(); - if (cd) delete cd; + // wxItemContainer already deletes data for us node->SetData( (wxObject*) clientData ); } -wxClientData* wxComboBox::GetClientObject( int n ) +wxClientData* wxComboBox::DoGetItemClientObject( int n ) const { - wxCHECK_MSG( m_widget != NULL, (wxClientData*)NULL, "invalid combobox" ); + wxCHECK_MSG( m_widget != NULL, (wxClientData*)NULL, wxT("invalid combobox") ); - wxNode *node = m_clientDataList.Nth( n ); - if (!node) return (wxClientData*) NULL; + wxList::compatibility_iterator node = m_clientObjectList.Item( n ); - return (wxClientData*) node->Data(); + return node ? (wxClientData*) node->GetData() : NULL; } void wxComboBox::Clear() { - wxCHECK_RET( m_widget != NULL, "invalid combobox" ); + wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") ); + + DisableEvents(); GtkWidget *list = GTK_COMBO(m_widget)->list; - gtk_list_clear_items( GTK_LIST(list), 0, Number() ); + gtk_list_clear_items( GTK_LIST(list), 0, (int)GetCount() ); - wxNode *node = m_clientObjectList.First(); + wxList::compatibility_iterator node = m_clientObjectList.GetFirst(); while (node) { - wxClientData *cd = (wxClientData*)node->Data(); + wxClientData *cd = (wxClientData*)node->GetData(); if (cd) delete cd; - node = node->Next(); + node = node->GetNext(); } m_clientObjectList.Clear(); m_clientDataList.Clear(); + + EnableEvents(); + + InvalidateBestSize(); } void wxComboBox::Delete( int n ) { - wxCHECK_RET( m_widget != NULL, "invalid combobox" ); + wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") ); GtkList *listbox = GTK_LIST( GTK_COMBO(m_widget)->list ); @@ -279,32 +482,57 @@ void wxComboBox::Delete( int n ) if (!child) { - wxFAIL_MSG("wrong index"); + 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 ); - wxNode *node = m_clientObjectList.Nth( n ); + wxList::compatibility_iterator node = m_clientObjectList.Item( n ); if (node) { - wxClientData *cd = (wxClientData*)node->Data(); + wxClientData *cd = (wxClientData*)node->GetData(); if (cd) delete cd; - m_clientObjectList.DeleteNode( node ); + m_clientObjectList.Erase( node ); } - node = m_clientDataList.Nth( n ); + 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) { - m_clientDataList.DeleteNode( node ); + 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 ) +int wxComboBox::FindString( const wxString &item, bool bCase ) const { - wxCHECK_MSG( m_widget != NULL, -1, "invalid combobox" ); + wxCHECK_MSG( m_widget != NULL, wxNOT_FOUND, wxT("invalid combobox") ); GtkWidget *list = GTK_COMBO(m_widget)->list; @@ -314,19 +542,28 @@ int wxComboBox::FindString( const wxString &item ) { GtkBin *bin = GTK_BIN( child->data ); GtkLabel *label = GTK_LABEL( bin->child ); - if (item == label->label) return count; + wxString str( label->label ); + if (item.IsSameAs( str , bCase ) ) + return count; + count++; child = child->next; } - wxFAIL_MSG( "wxComboBox: string not found" ); - - return -1; + return wxNOT_FOUND; } int wxComboBox::GetSelection() const { - wxCHECK_MSG( m_widget != NULL, -1, "invalid combobox" ); + // 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; @@ -343,33 +580,34 @@ int wxComboBox::GetSelection() const } } - wxFAIL_MSG( "wxComboBox: no selection" ); - - return -1; + return wxNOT_FOUND; } wxString wxComboBox::GetString( int n ) const { - wxCHECK_MSG( m_widget != NULL, "", "invalid combobox" ); + 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 ); - return label->label; + str = wxString( label->label ); + } + else + { + wxFAIL_MSG( wxT("wxComboBox: wrong index") ); } - wxFAIL_MSG( "wxComboBox: wrong index" ); - - return ""; + return str; } wxString wxComboBox::GetStringSelection() const { - wxCHECK_MSG( m_widget != NULL, "", "invalid combobox" ); + wxCHECK_MSG( m_widget != NULL, wxEmptyString, wxT("invalid combobox") ); GtkWidget *list = GTK_COMBO(m_widget)->list; @@ -377,119 +615,169 @@ wxString wxComboBox::GetStringSelection() const if (selection) { GtkBin *bin = GTK_BIN( selection->data ); - wxString tmp = GTK_LABEL( bin->child )->label; + GtkLabel *label = GTK_LABEL( bin->child ); + wxString tmp( label->label ); return tmp; } - wxFAIL_MSG( "wxComboBox: no selection" ); + wxFAIL_MSG( wxT("wxComboBox: no selection") ); - return ""; + return wxEmptyString; } -int wxComboBox::Number() const +size_t wxComboBox::GetCount() const { - wxCHECK_MSG( m_widget != NULL, 0, "invalid combobox" ); + 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; + size_t count = 0; while (child) { count++; child = child->next; } return count; } void wxComboBox::SetSelection( int n ) { - wxCHECK_RET( m_widget != NULL, "invalid combobox" ); + 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 ); -} - -void wxComboBox::SetStringSelection( const wxString &string ) -{ - wxCHECK_RET( m_widget != NULL, "invalid combobox" ); + m_prevSelection = n; - int res = FindString( string ); - if (res == -1) return; - SetSelection( res ); + EnableEvents(); } wxString wxComboBox::GetValue() const { - GtkWidget *entry = GTK_COMBO(m_widget)->entry; - wxString tmp = gtk_entry_get_text( GTK_ENTRY(entry) ); + 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 ) { - wxCHECK_RET( m_widget != NULL, "invalid combobox" ); + wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") ); GtkWidget *entry = GTK_COMBO(m_widget)->entry; - wxString tmp = ""; + wxString tmp; if (!value.IsNull()) tmp = value; - gtk_entry_set_text( GTK_ENTRY(entry), tmp ); + gtk_entry_set_text( GTK_ENTRY(entry), wxGTK_CONV( tmp ) ); + + InvalidateBestSize(); } void wxComboBox::Copy() { - wxCHECK_RET( m_widget != NULL, "invalid combobox" ); + wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") ); GtkWidget *entry = GTK_COMBO(m_widget)->entry; -#if (GTK_MINOR_VERSION == 1) - gtk_editable_copy_clipboard( GTK_EDITABLE(entry) ); -#else - gtk_editable_copy_clipboard( GTK_EDITABLE(entry), 0 ); -#endif + gtk_editable_copy_clipboard( GTK_EDITABLE(entry) DUMMY_CLIPBOARD_ARG ); } void wxComboBox::Cut() { - wxCHECK_RET( m_widget != NULL, "invalid combobox" ); + wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") ); GtkWidget *entry = GTK_COMBO(m_widget)->entry; -#if (GTK_MINOR_VERSION == 1) - gtk_editable_cut_clipboard( GTK_EDITABLE(entry) ); -#else - gtk_editable_cut_clipboard( GTK_EDITABLE(entry), 0 ); -#endif + gtk_editable_cut_clipboard( GTK_EDITABLE(entry) DUMMY_CLIPBOARD_ARG ); } void wxComboBox::Paste() { - wxCHECK_RET( m_widget != NULL, "invalid combobox" ); + wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") ); GtkWidget *entry = GTK_COMBO(m_widget)->entry; -#if (GTK_MINOR_VERSION == 1) - gtk_editable_paste_clipboard( GTK_EDITABLE(entry) ); -#else - gtk_editable_paste_clipboard( GTK_EDITABLE(entry), 0 ); -#endif + gtk_editable_paste_clipboard( GTK_EDITABLE(entry) DUMMY_CLIPBOARD_ARG); } -void wxComboBox::SetInsertionPoint( long pos ) +void wxComboBox::Undo() { - wxCHECK_RET( m_widget != NULL, "invalid combobox" ); + // TODO +} - GtkWidget *entry = GTK_COMBO(m_widget)->entry; - gtk_entry_set_position( GTK_ENTRY(entry), (int)pos ); +void wxComboBox::Redo() +{ + // TODO } -void wxComboBox::SetInsertionPointEnd() +void wxComboBox::SelectAll() { - wxCHECK_RET( m_widget != NULL, "invalid combobox" ); + SetSelection(0, GetLastPosition()); +} - SetInsertionPoint( -1 ); +bool wxComboBox::CanUndo() const +{ + // TODO + return false; } -long wxComboBox::GetInsertionPoint() const +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; - return (long) GTK_EDITABLE(entry)->current_pos; + gtk_entry_set_position( GTK_ENTRY(entry), (int)pos ); +} + +long wxComboBox::GetInsertionPoint() const +{ + return (long) GET_EDITABLE_POS( GTK_COMBO(m_widget)->entry ); } -long wxComboBox::GetLastPosition() const +wxTextPos wxComboBox::GetLastPosition() const { GtkWidget *entry = GTK_COMBO(m_widget)->entry; int pos = GTK_ENTRY(entry)->text_length; @@ -498,21 +786,19 @@ long wxComboBox::GetLastPosition() const void wxComboBox::Replace( long from, long to, const wxString& value ) { - wxCHECK_RET( m_widget != NULL, "invalid combobox" ); + 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; - gtk_editable_insert_text( GTK_EDITABLE(entry), value, value.Length(), &pos ); -} - -void wxComboBox::Remove(long from, long to) -{ - wxCHECK_RET( m_widget != NULL, "invalid combobox" ); - GtkWidget *entry = GTK_COMBO(m_widget)->entry; - gtk_editable_delete_text( GTK_EDITABLE(entry), (gint)from, (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::SetSelection( long from, long to ) @@ -521,6 +807,16 @@ void wxComboBox::SetSelection( long from, long to ) 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); + *from = (long) editable->selection_start_pos; + *to = (long) editable->selection_end_pos; + } +} + void wxComboBox::SetEditable( bool editable ) { GtkWidget *entry = GTK_COMBO(m_widget)->entry; @@ -529,47 +825,85 @@ void wxComboBox::SetEditable( bool editable ) void wxComboBox::OnChar( wxKeyEvent &event ) { - // make Enter generate "selected" event if there is only one item in the - // combobox - without it, it's impossible to select it at all! - if ( (event.KeyCode() == WXK_RETURN) && (Number() == 0) ) + if ( event.GetKeyCode() == WXK_RETURN ) { - wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, GetId() ); - event.SetInt( 0 ); - event.SetString( copystring(GetValue()) ); - event.SetEventObject( this ); - GetEventHandler()->ProcessEvent( event ); + // 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(); - delete [] event.GetString(); + 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::OnSize( wxSizeEvent &event ) +void wxComboBox::DisableEvents() { - wxControl::OnSize( event ); + 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 ); +} - int w = 21; - gtk_widget_set_usize( GTK_COMBO(m_widget)->entry, m_width-w-1, m_height ); +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 ); +} - gtk_widget_set_uposition( GTK_COMBO(m_widget)->button, m_x+m_width-w, m_y ); - gtk_widget_set_usize( GTK_COMBO(m_widget)->button, w, m_height ); +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::ApplyWidgetStyle() +void wxComboBox::DoApplyWidgetStyle(GtkRcStyle *style) { - SetWidgetStyle(); +// gtk_widget_modify_style( GTK_COMBO(m_widget)->button, syle ); - gtk_widget_set_style( GTK_COMBO(m_widget)->button, m_widgetStyle ); - gtk_widget_set_style( GTK_COMBO(m_widget)->entry, m_widgetStyle ); - gtk_widget_set_style( GTK_COMBO(m_widget)->list, m_widgetStyle ); + 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_set_style( GTK_WIDGET(child->data), m_widgetStyle ); + gtk_widget_modify_style( GTK_WIDGET(child->data), style ); GtkBin *bin = GTK_BIN(child->data); - gtk_widget_set_style( bin->child, m_widgetStyle ); + gtk_widget_modify_style( bin->child, style ); child = child->next; } @@ -586,3 +920,114 @@ bool wxComboBox::IsOwnGtkWindow( GdkWindow *window ) (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