X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/071a2d78147df569d57b1ef138ab126a586b594d..8a31648287be0ef976f133de2786b137f1e98340:/src/gtk/choice.cpp diff --git a/src/gtk/choice.cpp b/src/gtk/choice.cpp index 97ea9be8b9..d9fc4408c7 100644 --- a/src/gtk/choice.cpp +++ b/src/gtk/choice.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: choice.cpp +// Name: src/gtk/choice.cpp // Purpose: // Author: Robert Roebling // Id: $Id$ @@ -7,396 +7,380 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// +#include "wx/wxprec.h" -#ifdef __GNUG__ -#pragma implementation "choice.h" -#endif +#if wxUSE_CHOICE || wxUSE_COMBOBOX #include "wx/choice.h" -#if wxUSE_CHOICE - -#include -#include - -//----------------------------------------------------------------------------- -// idle system -//----------------------------------------------------------------------------- +#ifndef WX_PRECOMP + #include "wx/arrstr.h" +#endif -extern void wxapp_install_idle_handler(); -extern bool g_isIdle; +#include "wx/gtk/private.h" -//----------------------------------------------------------------------------- -// data -//----------------------------------------------------------------------------- -extern bool g_blockEventsOnDrag; +// ---------------------------------------------------------------------------- +// GTK callbacks +// ---------------------------------------------------------------------------- -//----------------------------------------------------------------------------- -// "activate" -//----------------------------------------------------------------------------- +extern "C" { -static void gtk_choice_clicked_callback( GtkWidget *WXUNUSED(widget), wxChoice *choice ) +static void +gtk_choice_changed_callback( GtkWidget *WXUNUSED(widget), wxChoice *choice ) { - if (g_isIdle) - wxapp_install_idle_handler(); - - if (!choice->m_hasVMT) return; - - if (g_blockEventsOnDrag) return; - - 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->SendSelectionChangedEvent(wxEVT_COMMAND_CHOICE_SELECTED); +} - choice->GetEventHandler()->ProcessEvent(event); } //----------------------------------------------------------------------------- // wxChoice //----------------------------------------------------------------------------- -IMPLEMENT_DYNAMIC_CLASS(wxChoice,wxControl) +void wxChoice::Init() +{ + m_strings = NULL; + m_stringCellIndex = 0; +} -wxChoice::wxChoice() +bool wxChoice::Create( wxWindow *parent, wxWindowID id, + const wxPoint &pos, const wxSize &size, + const wxArrayString& choices, + long style, const wxValidator& validator, + const wxString &name ) { - m_strings = (wxSortedArrayString *)NULL; + 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 ) + long style, const wxValidator& validator, + const wxString &name ) { - m_needParent = TRUE; -#if (GTK_MINOR_VERSION > 0) - 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(); - - SetSizeOrDefault( size ); - - if ( style & wxCB_SORT ) + if ( IsSorted() ) { - // if our m_strings != NULL, DoAppend() will check for it and insert + // 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; } - GtkWidget *menu = gtk_menu_new(); - - for (int i = 0; i < n; i++) - { - GtkAppendHelper(menu, 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(); - - SetBackgroundColour( parent->GetBackgroundColour() ); - SetForegroundColour( parent->GetForegroundColour() ); - SetFont( parent->GetFont() ); + PostCreation(size); - Show( TRUE ); + g_signal_connect_after (m_widget, "changed", + G_CALLBACK (gtk_choice_changed_callback), this); - return TRUE; + return true; } wxChoice::~wxChoice() { - Clear(); - delete m_strings; } -int wxChoice::DoAppend( const wxString &item ) +void wxChoice::SendSelectionChangedEvent(wxEventType evt_type) { - wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid choice control") ); + if (!m_hasVMT) + return; - GtkWidget *menu = gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ); + if (GetSelection() == -1) + return; - return GtkAppendHelper(menu, item); -} + wxCommandEvent event( evt_type, GetId() ); -void wxChoice::DoSetItemClientData( int n, void* clientData ) -{ - wxCHECK_RET( m_widget != NULL, wxT("invalid choice control") ); - - wxNode *node = m_clientList.Nth( n ); - wxCHECK_RET( node, wxT("invalid index in wxChoice::DoSetItemClientData") ); + int n = GetSelection(); + event.SetInt( n ); + event.SetString( GetStringSelection() ); + event.SetEventObject( this ); + InitCommandEventWithItems( event, n ); - node->SetData( (wxObject*) clientData ); + HandleWindowEvent( event ); } -void* wxChoice::DoGetItemClientData( int n ) const +void wxChoice::GTKInsertComboBoxTextItem( unsigned int n, const wxString& text ) { - wxCHECK_MSG( m_widget != NULL, NULL, wxT("invalid choice control") ); - - wxNode *node = m_clientList.Nth( n ); - wxCHECK_MSG( node, NULL, wxT("invalid index in wxChoice::DoGetItemClientData") ); - - return node->Data(); + gtk_combo_box_insert_text( GTK_COMBO_BOX( m_widget ), n, wxGTK_CONV( text ) ); } -void wxChoice::DoSetItemClientObject( int n, wxClientData* clientData ) +int wxChoice::DoInsertItems(const wxArrayStringsAdapter & items, + unsigned int pos, + void **clientData, wxClientDataType type) { - wxCHECK_RET( m_widget != NULL, wxT("invalid choice control") ); + wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid control") ); - wxNode *node = m_clientList.Nth( n ); - wxCHECK_RET( node, wxT("invalid index in wxChoice::DoSetItemClientObject") ); + wxASSERT_MSG( !IsSorted() || (pos == GetCount()), + wxT("In a sorted choice data could only be appended")); - wxClientData *cd = (wxClientData*) node->Data(); - delete cd; + const int count = items.GetCount(); - node->SetData( (wxObject*) clientData ); -} + int n = wxNOT_FOUND; -wxClientData* wxChoice::DoGetItemClientObject( int n ) const -{ - wxCHECK_MSG( m_widget != NULL, (wxClientData*) NULL, wxT("invalid choice control") ); - - wxNode *node = m_clientList.Nth( n ); - wxCHECK_MSG( node, (wxClientData *)NULL, - wxT("invalid index in wxChoice::DoGetItemClientObject") ); + for ( int i = 0; i < count; ++i ) + { + n = pos + i; + // If sorted, use this wxSortedArrayStrings to determine + // the right insertion point + if (m_strings) + n = m_strings->Add(items[i]); - return (wxClientData*) node->Data(); -} + GTKInsertComboBoxTextItem( n, items[i] ); -void wxChoice::Clear() -{ - wxCHECK_RET( m_widget != NULL, wxT("invalid choice") ); + m_clientData.Insert( NULL, n ); + AssignNewItemClientData(n, clientData, i, type); + } - 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 ); + InvalidateBestSize(); - if ( HasClientObjectData() ) - { - // destroy the data (due to Robert's idea of using wxList - // and not wxList we can't just say - // m_clientList.DeleteContents(TRUE) - this would crash! - wxNode *node = m_clientList.First(); - while ( node ) - { - delete (wxClientData *)node->Data(); - node = node->Next(); - } - } - m_clientList.Clear(); + return n; +} - if ( m_strings ) - m_strings->Clear(); +void wxChoice::DoSetItemClientData(unsigned int n, void* clientData) +{ + m_clientData[n] = clientData; } -void wxChoice::Delete( int WXUNUSED(n) ) +void* wxChoice::DoGetItemClientData(unsigned int n) const { - wxFAIL_MSG( wxT("wxChoice:Delete not implemented") ); + return m_clientData[n]; } -int wxChoice::FindString( const wxString &string ) const +void wxChoice::DoClear() { - wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid choice") ); + wxCHECK_RET( m_widget != NULL, wxT("invalid control") ); - // If you read this code once and you think you understand - // it, then you are very wrong. Robert Roebling. + GTKDisableEvents(); - GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) ); - int count = 0; - GList *child = menu_shell->children; - while (child) - { - 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 ); + GtkComboBox* combobox = GTK_COMBO_BOX( m_widget ); + GtkTreeModel* model = gtk_combo_box_get_model( combobox ); + gtk_list_store_clear(GTK_LIST_STORE(model)); - wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") ); + m_clientData.Clear(); - if (string == wxString(label->label,*wxConvCurrent)) - return count; + if (m_strings) + m_strings->Clear(); - child = child->next; - count++; - } + GTKEnableEvents(); - return -1; + InvalidateBestSize(); } -int wxChoice::GetSelection() const +void wxChoice::DoDeleteOneItem(unsigned int n) { - wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid choice") ); + 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 ); + + InvalidateBestSize(); +} - GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) ); +int wxChoice::FindString( const wxString &item, bool bCase ) const +{ + 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 ); - if (!bin->child) return count; - child = child->next; + 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 ); + + if (item.IsSameAs( str, bCase ) ) + return count; + count++; } + while ( gtk_tree_model_iter_next(model, &iter) ); - return -1; + return wxNOT_FOUND; } -void wxChoice::SetString( int WXUNUSED(n), const wxString& WXUNUSED(string) ) +int wxChoice::GetSelection() const { - wxCHECK_RET( m_widget != NULL, wxT("invalid choice") ); - - wxFAIL_MSG(wxT("not implemented")); + return gtk_combo_box_get_active( GTK_COMBO_BOX( m_widget ) ); } -wxString wxChoice::GetString( int n ) const +void wxChoice::SetString(unsigned int n, const wxString &text) { - wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid choice") ); + wxCHECK_RET( m_widget != NULL, wxT("invalid control") ); - GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) ); - 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_BUTTON(m_widget)->child ); - - wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") ); + GtkComboBox* combobox = GTK_COMBO_BOX( m_widget ); + wxCHECK_RET( IsValid(n), wxT("invalid index") ); - return wxString(label->label,*wxConvCurrent); - } - 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 ); } - wxFAIL_MSG( wxT("wxChoice: invalid index in GetString()") ); - - return wxT(""); + InvalidateBestSize(); } -int wxChoice::GetCount() const +wxString wxChoice::GetString(unsigned int n) const { - wxCHECK_MSG( m_widget != NULL, 0, wxT("invalid choice") ); + wxCHECK_MSG( m_widget != NULL, wxEmptyString, wxT("invalid control") ); - GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) ); - int count = 0; - GList *child = menu_shell->children; - while (child) + wxString str; + + 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)) { - count++; - child = child->next; + 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; } - return count; + + return str; +} + +unsigned int wxChoice::GetCount() const +{ + 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") ); + + GTKDisableEvents(); - int tmp = n; - gtk_option_menu_set_history( GTK_OPTION_MENU(m_widget), (gint)tmp ); + GtkComboBox* combobox = GTK_COMBO_BOX( m_widget ); + gtk_combo_box_set_active( combobox, n ); + + GTKEnableEvents(); } -void wxChoice::ApplyWidgetStyle() +void wxChoice::SetColumns(int n) { - SetWidgetStyle(); + gtk_combo_box_set_wrap_width(GTK_COMBO_BOX(m_widget), n); +} - GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) ); +int wxChoice::GetColumns() const +{ + // 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; +} - gtk_widget_set_style( m_widget, m_widgetStyle ); - gtk_widget_set_style( GTK_WIDGET( menu_shell ), m_widgetStyle ); - GList *child = menu_shell->children; - while (child) - { - gtk_widget_set_style( GTK_WIDGET( child->data ), m_widgetStyle ); +void wxChoice::GTKDisableEvents() +{ + g_signal_handlers_block_by_func(m_widget, + (gpointer) gtk_choice_changed_callback, this); +} - GtkBin *bin = GTK_BIN( child->data ); - GtkWidget *label = (GtkWidget *) NULL; - if (bin->child) label = bin->child; - if (!label) label = GTK_BUTTON(m_widget)->child; +void wxChoice::GTKEnableEvents() +{ + g_signal_handlers_unblock_by_func(m_widget, + (gpointer) gtk_choice_changed_callback, this); +} - gtk_widget_set_style( label, m_widgetStyle ); - child = child->next; - } +GdkWindow *wxChoice::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const +{ + return gtk_widget_get_window(m_widget); } -size_t wxChoice::GtkAppendHelper(GtkWidget *menu, const wxString& item) +// 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 { - GtkWidget *menu_item = gtk_menu_item_new_with_label( item.mbc_str() ); + // strangely, this returns a width of 188 pixels from GTK+ (?) + wxSize ret( wxControl::DoGetBestSize() ); - size_t index; - if ( m_strings ) + // we know better our horizontal extent: it depends on the longest string + // in the combobox + if ( m_widget ) { - // sorted control, need to insert at the correct index - index = m_strings->Add(item); - - gtk_menu_insert( GTK_MENU(menu), menu_item, index ); - - if ( index ) - { - m_clientList.Insert( m_clientList.Item(index - 1), - (wxObject*) NULL ); - } - else + ret.x = GetCount() > 0 ? 0 : 60; // start with something "sensible" + int width; + unsigned int count = GetCount(); + for ( unsigned int n = 0; n < count; n++ ) { - m_clientList.Insert( (wxObject*) NULL ); + 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; } } - 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; - } - - if (GTK_WIDGET_REALIZED(m_widget)) - { - gtk_widget_realize( menu_item ); - gtk_widget_realize( GTK_BIN(menu_item)->child ); - - if (m_widgetStyle) ApplyWidgetStyle(); - } - gtk_signal_connect( GTK_OBJECT( menu_item ), "activate", - GTK_SIGNAL_FUNC(gtk_choice_clicked_callback), (gpointer*)this ); + // empty combobox should have some reasonable default size too + if ((GetCount() == 0) && (ret.x < 80)) + ret.x = 80; - gtk_widget_show( menu_item ); + CacheBestSize(ret); + return ret; +} - // return the index of the item in the control - return index; +void wxChoice::DoApplyWidgetStyle(GtkRcStyle *style) +{ + gtk_widget_modify_style(m_widget, style); + gtk_widget_modify_style(gtk_bin_get_child(GTK_BIN(m_widget)), style); } -wxSize wxChoice::DoGetBestSize() const + +// static +wxVisualAttributes +wxChoice::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) { - return wxSize(80, 26); + return GetDefaultAttributesFromGTKWidget(gtk_combo_box_new); } -#endif + +#endif // wxUSE_CHOICE || wxUSE_COMBOBOX