X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/121ade4fd3b002d9434e0f25aebe563b06402f14..233387bdcbb1c4f31c54b0fe6b3f03e8d261cab1:/src/gtk/choice.cpp diff --git a/src/gtk/choice.cpp b/src/gtk/choice.cpp index 08a2f642b3..24359aa201 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: $Id$ @@ -7,11 +7,6 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// - -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) -#pragma implementation "choice.h" -#endif - #include "wx/defs.h" #if wxUSE_CHOICE @@ -38,6 +33,7 @@ extern bool g_blockEventsOnDrag; // "activate" //----------------------------------------------------------------------------- +extern "C" { static void gtk_choice_clicked_callback( GtkWidget *WXUNUSED(widget), wxChoice *choice ) { if (g_isIdle) @@ -47,6 +43,12 @@ static void gtk_choice_clicked_callback( GtkWidget *WXUNUSED(widget), wxChoice * if (g_blockEventsOnDrag) return; + int selection = wxNOT_FOUND; + + selection = gtk_option_menu_get_history( GTK_OPTION_MENU(choice->GetHandle()) ); + + choice->m_selection_hack = selection; + wxCommandEvent event(wxEVT_COMMAND_CHOICE_SELECTED, choice->GetId() ); int n = choice->GetSelection(); @@ -61,6 +63,7 @@ static void gtk_choice_clicked_callback( GtkWidget *WXUNUSED(widget), wxChoice * choice->GetEventHandler()->ProcessEvent(event); } +} //----------------------------------------------------------------------------- // wxChoice @@ -90,16 +93,16 @@ bool wxChoice::Create( wxWindow *parent, wxWindowID id, int n, const wxString choices[], long style, const wxValidator& validator, const wxString &name ) { - m_needParent = TRUE; + m_needParent = true; #if (GTK_MINOR_VERSION > 0) - m_acceptsFocus = TRUE; + m_acceptsFocus = true; #endif if (!PreCreation( parent, pos, size ) || !CreateBase( parent, id, pos, size, style, validator, name )) { wxFAIL_MSG( wxT("wxChoice creation failed") ); - return FALSE; + return false; } m_widget = gtk_option_menu_new(); @@ -111,6 +114,9 @@ bool wxChoice::Create( wxWindow *parent, wxWindowID id, 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++) @@ -125,7 +131,7 @@ bool wxChoice::Create( wxWindow *parent, wxWindowID id, PostCreation(size); SetBestSize(size); // need this too because this is a wxControlWithItems - return TRUE; + return true; } wxChoice::~wxChoice() @@ -154,6 +160,13 @@ int wxChoice::DoInsert( const wxString &item, int pos ) GtkWidget *menu = gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ); + // if the item to insert is at or before the selection, and the selection is valid + if ((pos <= m_selection_hack) && (m_selection_hack != wxNOT_FOUND)) + { + // move the selection forward one + m_selection_hack++; + } + return GtkAddHelper(menu, pos, item); } @@ -212,7 +225,7 @@ void wxChoice::Clear() { // 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! + // m_clientList.DeleteContents(true) - this would crash! wxList::compatibility_iterator node = m_clientList.GetFirst(); while ( node ) { @@ -224,6 +237,9 @@ void wxChoice::Clear() if ( m_strings ) m_strings->Clear(); + + // begin with no selection + m_selection_hack = wxNOT_FOUND; } void wxChoice::Delete( int n ) @@ -237,6 +253,18 @@ void wxChoice::Delete( int n ) 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; @@ -289,9 +317,9 @@ void wxChoice::Delete( int n ) } } -int wxChoice::FindString( const wxString &string ) const +int wxChoice::FindString( const wxString &string, bool bCase ) const { - wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid choice") ); + wxCHECK_MSG( m_widget != NULL, wxNOT_FOUND, wxT("invalid choice") ); // If you read this code once and you think you understand // it, then you are very wrong. Robert Roebling. @@ -310,44 +338,23 @@ int wxChoice::FindString( const wxString &string ) const wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") ); -#ifdef __WXGTK20__ wxString tmp( wxGTK_CONV_BACK( gtk_label_get_text( label) ) ); -#else - wxString tmp( label->label ); -#endif - if (string == tmp) + if (string.IsSameAs( tmp, bCase )) return count; child = child->next; count++; } - return -1; + return wxNOT_FOUND; } int wxChoice::GetSelection() const { - wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid choice") ); - -#ifdef __WXGTK20__ - - return gtk_option_menu_get_history( GTK_OPTION_MENU(m_widget) ); - -#else - GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) ); - int count = 0; + wxCHECK_MSG( m_widget != NULL, wxNOT_FOUND, wxT("invalid choice") ); - GList *child = menu_shell->children; - while (child) - { - GtkBin *bin = GTK_BIN( child->data ); - if (!bin->child) return count; - child = child->next; - count++; - } + return m_selection_hack; - return -1; -#endif } void wxChoice::SetString( int n, const wxString& str ) @@ -370,8 +377,8 @@ void wxChoice::SetString( int n, const wxString& str ) wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") ); - gtk_label_set_text( label, wxGTK_CONV( str ) ); - + gtk_label_set_text( label, wxGTK_CONV( str ) ); + return; } child = child->next; @@ -381,7 +388,7 @@ void wxChoice::SetString( int n, const wxString& str ) wxString wxChoice::GetString( int n ) const { - wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid choice") ); + wxCHECK_MSG( m_widget != NULL, wxEmptyString, wxT("invalid choice") ); GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) ); int count = 0; @@ -399,11 +406,7 @@ wxString wxChoice::GetString( int n ) const wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") ); -#ifdef __WXGTK20__ return wxString( wxGTK_CONV_BACK( gtk_label_get_text( label) ) ); -#else - return wxString( label->label ); -#endif } child = child->next; count++; @@ -411,7 +414,7 @@ wxString wxChoice::GetString( int n ) const wxFAIL_MSG( wxT("wxChoice: invalid index in GetString()") ); - return wxT(""); + return wxEmptyString; } int wxChoice::GetCount() const @@ -435,6 +438,24 @@ void wxChoice::SetSelection( int n ) int tmp = n; gtk_option_menu_set_history( GTK_OPTION_MENU(m_widget), (gint)tmp ); + + // 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::DoApplyWidgetStyle(GtkRcStyle *style) @@ -494,9 +515,9 @@ int wxChoice::GtkAddHelper(GtkWidget *menu, int pos, const wxString& item) // 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; + gtk_menu_append( GTK_MENU(menu), menu_item ); + m_clientList.Append( (wxObject*) NULL ); + index = m_clientList.GetCount() - 1; } else { @@ -519,9 +540,10 @@ int wxChoice::GtkAddHelper(GtkWidget *menu, int pos, const wxString& item) // changed, but at least after adding an item // it has to change. Adapted from Matt Ownby. InvalidateBestSize(); - - gtk_signal_connect( GTK_OBJECT( menu_item ), "activate", - GTK_SIGNAL_FUNC(gtk_choice_clicked_callback), (gpointer*)this ); + + g_signal_connect_after (menu_item, "activate", + G_CALLBACK (gtk_choice_clicked_callback), + this); gtk_widget_show( menu_item ); @@ -576,11 +598,7 @@ wxSize wxChoice::DoGetBestSize() const bool wxChoice::IsOwnGtkWindow( GdkWindow *window ) { -#ifdef __WXGTK20__ return GTK_BUTTON(m_widget)->event_window; -#else - return (window == m_widget->window); -#endif } // static @@ -592,4 +610,3 @@ wxChoice::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) #endif // wxUSE_CHOICE -