X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/223d09f6b523aac674ef9b72a883dfa8d37c5d4e..b9efe021b554fa3967d1442cf758435c5cd5ae8f:/src/gtk1/choice.cpp diff --git a/src/gtk1/choice.cpp b/src/gtk1/choice.cpp index 32322e0a7f..7b8633ef1b 100644 --- a/src/gtk1/choice.cpp +++ b/src/gtk1/choice.cpp @@ -8,16 +8,18 @@ ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "choice.h" #endif -#include "wx/choice.h" +#include "wx/defs.h" #if wxUSE_CHOICE -#include "gdk/gdk.h" -#include "gtk/gtk.h" +#include "wx/choice.h" +#include "wx/arrstr.h" + +#include "wx/gtk/private.h" //----------------------------------------------------------------------------- // idle system @@ -36,21 +38,54 @@ extern bool g_blockEventsOnDrag; // "activate" //----------------------------------------------------------------------------- +extern "C" { static void gtk_choice_clicked_callback( GtkWidget *WXUNUSED(widget), wxChoice *choice ) { - if (g_isIdle) + if (g_isIdle) wxapp_install_idle_handler(); if (!choice->m_hasVMT) return; if (g_blockEventsOnDrag) return; + int selection = wxNOT_FOUND; + +#ifdef __WXGTK20__ + selection = gtk_option_menu_get_history( GTK_OPTION_MENU(choice->GetHandle()) ); +#else + GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(choice->GetHandle()) ) ); + int count = 0; + + GList *child = menu_shell->children; + while (child) + { + GtkBin *bin = GTK_BIN( child->data ); + if (!bin->child) + { + selection = count; + break; + } + child = child->next; + count++; + } +#endif + choice->m_selection_hack = selection; + wxCommandEvent event(wxEVT_COMMAND_CHOICE_SELECTED, choice->GetId() ); - event.SetInt( choice->GetSelection() ); + 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->GetEventHandler()->ProcessEvent(event); } +} //----------------------------------------------------------------------------- // wxChoice @@ -60,6 +95,19 @@ IMPLEMENT_DYNAMIC_CLASS(wxChoice,wxControl) wxChoice::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, @@ -76,44 +124,34 @@ bool wxChoice::Create( wxWindow *parent, wxWindowID id, !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 + // items in the correct order + 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++) { - m_clientDataList.Append( (wxObject*) NULL ); - m_clientObjectList.Append( (wxObject*) NULL ); - - GtkWidget *item = gtk_menu_item_new_with_label( choices[i].mbc_str() ); - gtk_menu_append( GTK_MENU(menu), item ); - - gtk_widget_show( item ); - - gtk_signal_connect( GTK_OBJECT( item ), "activate", - GTK_SIGNAL_FUNC(gtk_choice_clicked_callback), (gpointer*)this ); + 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; } @@ -121,96 +159,80 @@ bool wxChoice::Create( wxWindow *parent, wxWindowID id, wxChoice::~wxChoice() { Clear(); + + delete m_strings; } -void wxChoice::AppendCommon( const wxString &item ) +int wxChoice::DoAppend( const wxString &item ) { - wxCHECK_RET( m_widget != NULL, wxT("invalid choice") ); + wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid choice control") ); GtkWidget *menu = gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ); - GtkWidget *menu_item = gtk_menu_item_new_with_label( item.mbc_str() ); - - gtk_menu_append( GTK_MENU(menu), menu_item ); - - 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 ); - - gtk_widget_show( menu_item ); + return GtkAddHelper(menu, GetCount(), item); } -void wxChoice::Append( const wxString &item ) +int wxChoice::DoInsert( const wxString &item, int pos ) { - m_clientDataList.Append( (wxObject*) NULL ); - m_clientObjectList.Append( (wxObject*) NULL ); + wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid choice control") ); + wxCHECK_MSG( (pos>=0) && (pos<=GetCount()), -1, wxT("invalid index")); - AppendCommon( item ); -} - -void wxChoice::Append( const wxString &item, void *clientData ) -{ - m_clientDataList.Append( (wxObject*) clientData ); - m_clientObjectList.Append( (wxObject*) NULL ); + if (pos == GetCount()) + return DoAppend(item); - AppendCommon( item ); -} + GtkWidget *menu = gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ); -void wxChoice::Append( const wxString &item, wxClientData *clientData ) -{ - m_clientObjectList.Append( (wxObject*) clientData ); - m_clientDataList.Append( (wxObject*) NULL ); + // 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++; + } - AppendCommon( item ); + return GtkAddHelper(menu, pos, item); } -void wxChoice::SetClientData( int n, void* clientData ) +void wxChoice::DoSetItemClientData( int n, void* clientData ) { - wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") ); + wxCHECK_RET( m_widget != NULL, wxT("invalid choice control") ); - wxNode *node = m_clientDataList.Nth( n ); - if (!node) return; + wxList::compatibility_iterator node = m_clientList.Item( n ); + wxCHECK_RET( node, wxT("invalid index in wxChoice::DoSetItemClientData") ); node->SetData( (wxObject*) clientData ); } -void* wxChoice::GetClientData( int n ) +void* wxChoice::DoGetItemClientData( int n ) const { - wxCHECK_MSG( m_widget != NULL, NULL, wxT("invalid combobox") ); + wxCHECK_MSG( m_widget != NULL, NULL, wxT("invalid choice control") ); - wxNode *node = m_clientDataList.Nth( n ); - if (!node) return NULL; + 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::SetClientObject( int n, wxClientData* clientData ) +void wxChoice::DoSetItemClientObject( int n, wxClientData* clientData ) { - wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") ); + wxCHECK_RET( m_widget != NULL, wxT("invalid choice control") ); - wxNode *node = m_clientObjectList.Nth( n ); - if (!node) return; + wxList::compatibility_iterator node = m_clientList.Item( n ); + wxCHECK_RET( node, wxT("invalid index in wxChoice::DoSetItemClientObject") ); - wxClientData *cd = (wxClientData*) node->Data(); - if (cd) delete cd; + // wxItemContainer already deletes data for us node->SetData( (wxObject*) clientData ); } -wxClientData* wxChoice::GetClientObject( int n ) +wxClientData* wxChoice::DoGetItemClientObject( int n ) const { - wxCHECK_MSG( m_widget != NULL, (wxClientData*) NULL, wxT("invalid combobox") ); + wxCHECK_MSG( m_widget != NULL, (wxClientData*) NULL, wxT("invalid choice control") ); - wxNode *node = m_clientObjectList.Nth( n ); - if (!node) return (wxClientData*) NULL; + 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() @@ -221,21 +243,100 @@ void wxChoice::Clear() GtkWidget *menu = gtk_menu_new(); gtk_option_menu_set_menu( GTK_OPTION_MENU(m_widget), menu ); - wxNode *node = m_clientObjectList.First(); - while (node) + if ( HasClientObjectData() ) { - wxClientData *cd = (wxClientData*)node->Data(); - if (cd) delete cd; - node = node->Next(); + // 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! + wxList::compatibility_iterator node = m_clientList.GetFirst(); + while ( node ) + { + delete (wxClientData *)node->GetData(); + node = node->GetNext(); + } } - m_clientObjectList.Clear(); + m_clientList.Clear(); + + if ( m_strings ) + m_strings->Clear(); - m_clientDataList.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 @@ -252,29 +353,39 @@ int wxChoice::FindString( const wxString &string ) const { 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( BUTTON_CHILD(m_widget) ); wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") ); - if (string == wxString(label->label,*wxConvCurrent)) - return count; +#ifdef __WXGTK20__ + wxString tmp( wxGTK_CONV_BACK( gtk_label_get_text( label) ) ); +#else + wxString tmp( label->label ); +#endif + if (string == tmp) + return count; - child = child->next; - count++; + child = child->next; + count++; } return -1; } -int wxChoice::GetColumns() const +int wxChoice::GetSelection() const { - return 1; + wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid choice") ); + + return m_selection_hack; + } -int wxChoice::GetSelection() +void wxChoice::SetString( int n, const wxString& str ) { - wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid choice") ); + 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; @@ -282,12 +393,23 @@ int wxChoice::GetSelection() while (child) { GtkBin *bin = GTK_BIN( child->data ); - if (!bin->child) return count; + if (count == n) + { + GtkLabel *label = (GtkLabel *) NULL; + if (bin->child) + label = GTK_LABEL(bin->child); + if (!label) + label = GTK_LABEL( BUTTON_CHILD(m_widget) ); + + wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") ); + + gtk_label_set_text( label, wxGTK_CONV( str ) ); + + return; + } child = child->next; count++; } - - return -1; } wxString wxChoice::GetString( int n ) const @@ -303,12 +425,18 @@ wxString wxChoice::GetString( int n ) const 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( BUTTON_CHILD(m_widget) ); wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") ); - return wxString(label->label,*wxConvCurrent); +#ifdef __WXGTK20__ + return wxString( wxGTK_CONV_BACK( gtk_label_get_text( label) ) ); +#else + return wxString( label->label ); +#endif } child = child->next; count++; @@ -319,18 +447,7 @@ wxString wxChoice::GetString( int n ) const return wxT(""); } -wxString wxChoice::GetStringSelection() const -{ - wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid choice") ); - - GtkLabel *label = GTK_LABEL( GTK_BUTTON(m_widget)->child ); - - wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") ); - - return wxString(label->label,*wxConvCurrent); -} - -int wxChoice::Number() const +int wxChoice::GetCount() const { wxCHECK_MSG( m_widget != NULL, 0, wxT("invalid choice") ); @@ -345,79 +462,185 @@ int wxChoice::Number() const return count; } -void wxChoice::SetColumns( int WXUNUSED(n) ) -{ -} - void wxChoice::SetSelection( int n ) { wxCHECK_RET( m_widget != NULL, wxT("invalid choice") ); int tmp = n; gtk_option_menu_set_history( GTK_OPTION_MENU(m_widget), (gint)tmp ); -} - -void wxChoice::SetStringSelection( const wxString &string ) -{ - wxCHECK_RET( m_widget != NULL, wxT("invalid choice") ); - int n = FindString( string ); - if (n != -1) SetSelection( n ); + // set the local selection variable manually + if ((n >= 0) && (n < GetCount())) + { + // a valid selection has been made + m_selection_hack = n; + } + else if ((n == wxNOT_FOUND) || (GetCount() == 0)) + { + // invalidates the selection if there are no items + // or if it is specifically set to wxNOT_FOUND + m_selection_hack = wxNOT_FOUND; + } + else + { + // this selects the first item by default if the selection is out of bounds + m_selection_hack = 0; + } } -void wxChoice::DisableEvents() +void wxChoice::DoApplyWidgetStyle(GtkRcStyle *style) { -/* GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) ); + + gtk_widget_modify_style( m_widget, style ); + gtk_widget_modify_style( GTK_WIDGET( menu_shell ), style ); + GList *child = menu_shell->children; while (child) { - gtk_signal_disconnect_by_func( GTK_OBJECT( child->data ), - GTK_SIGNAL_FUNC(gtk_choice_clicked_callback), (gpointer*)this ); + 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 = BUTTON_CHILD(m_widget); + + gtk_widget_modify_style( label, style ); child = child->next; } -*/ } -void wxChoice::EnableEvents() +int wxChoice::GtkAddHelper(GtkWidget *menu, int pos, const wxString& item) { -/* - GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) ); - GList *child = menu_shell->children; - while (child) + 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 ) { - gtk_signal_connect( GTK_OBJECT( child->data ), "activate", - GTK_SIGNAL_FUNC(gtk_choice_clicked_callback), (gpointer*)this ); + // sorted control, need to insert at the correct index + index = m_strings->Add(item); - child = child->next; + gtk_menu_insert( GTK_MENU(menu), menu_item, index ); + + if ( index ) + { + m_clientList.Insert( m_clientList.Item(index - 1), + (wxObject*) NULL ); + } + else + { + m_clientList.Insert( (wxObject*) NULL ); + } } -*/ -} + else + { + // don't call wxChoice::GetCount() from here because it doesn't work + // if we're called from ctor (and GtkMenuShell is still NULL) -void wxChoice::ApplyWidgetStyle() -{ - SetWidgetStyle(); + // normal control, just append + if (pos == (int)m_clientList.GetCount()) + { + gtk_menu_append( GTK_MENU(menu), menu_item ); + m_clientList.Append( (wxObject*) NULL ); + index = m_clientList.GetCount() - 1; + } + else + { + gtk_menu_insert( GTK_MENU(menu), menu_item, pos ); + m_clientList.Insert( pos, (wxObject*) NULL ); + index = pos; + } + } - GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) ); + if (GTK_WIDGET_REALIZED(m_widget)) + { + gtk_widget_realize( menu_item ); + gtk_widget_realize( GTK_BIN(menu_item)->child ); - gtk_widget_set_style( m_widget, m_widgetStyle ); - gtk_widget_set_style( GTK_WIDGET( menu_shell ), m_widgetStyle ); + ApplyWidgetStyle(); + } - GList *child = menu_shell->children; - while (child) - { - gtk_widget_set_style( GTK_WIDGET( child->data ), m_widgetStyle ); + // 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(); + + gtk_signal_connect_after( GTK_OBJECT( menu_item ), "activate", + GTK_SIGNAL_FUNC(gtk_choice_clicked_callback), (gpointer*)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; + gtk_widget_show( menu_item ); - gtk_widget_set_style( label, m_widgetStyle ); + // return the index of the item in the control + return index; +} - child = child->next; +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 ) +{ +#ifdef __WXGTK20__ + return GTK_BUTTON(m_widget)->event_window; +#else + return (window == m_widget->window); #endif +} + +// static +wxVisualAttributes +wxChoice::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) +{ + return GetDefaultAttributesFromGTKWidget(gtk_option_menu_new); +} + + +#endif // wxUSE_CHOICE +