X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/159b66c02a8f1c724d1af3c768ad5d90f4c8a0e2..62e819ee45059232300d598d9a85f9ad77a23c45:/src/gtk/listbox.cpp diff --git a/src/gtk/listbox.cpp b/src/gtk/listbox.cpp index fa4b4bcdc7..46808ec081 100644 --- a/src/gtk/listbox.cpp +++ b/src/gtk/listbox.cpp @@ -21,6 +21,7 @@ #include "wx/intl.h" #include "wx/checklst.h" #include "wx/settings.h" +#include "wx/gtk/private.h" #if wxUSE_TOOLTIPS #include "wx/tooltip.h" @@ -37,39 +38,14 @@ extern void wxapp_install_idle_handler(); extern bool g_isIdle; -//------------------------------------------------------------------------- -// conditional compilation -//------------------------------------------------------------------------- - -#if (GTK_MINOR_VERSION > 0) - #define NEW_GTK_SCROLL_CODE -#endif - -//----------------------------------------------------------------------------- -// private functions -//----------------------------------------------------------------------------- - -#if wxUSE_CHECKLISTBOX - -// checklistboxes have "[±] " prepended to their lables, this macro removes it -// (NB: 4 below is the length of wxCHECKLBOX_STRING above) -// -// the argument to it is a "const char *" pointer -#define GET_REAL_LABEL(label) ((m_hasCheckBoxes)?(label)+4 : (label)) - -#else // !wxUSE_CHECKLISTBOX - -#define GET_REAL_LABEL(label) (label) - -#endif // wxUSE_CHECKLISTBOX - //----------------------------------------------------------------------------- // data //----------------------------------------------------------------------------- -extern bool g_blockEventsOnDrag; -extern bool g_blockEventsOnScroll; -extern wxCursor g_globalCursor; +extern bool g_blockEventsOnDrag; +extern bool g_blockEventsOnScroll; +extern wxCursor g_globalCursor; +extern wxWindowGTK *g_delayedFocus; static bool g_hasDoubleClicked = FALSE; @@ -84,17 +60,23 @@ struct wxlistbox_idle_struct gint m_tag; }; -static gint wxlistbox_idle_callback( gpointer gdata ) +extern "C" gint wxlistbox_idle_callback( gpointer gdata ) { wxlistbox_idle_struct* data = (wxlistbox_idle_struct*) gdata; gdk_threads_enter(); gtk_idle_remove( data->m_tag ); - - data->m_listbox->SetFirstItem( data->m_item ); - + + // check that the items haven't been deleted from the listbox since we had + // installed this callback + wxListBox *lbox = data->m_listbox; + if ( data->m_item < lbox->GetCount() ) + { + lbox->SetFirstItem( data->m_item ); + } + delete data; - + gdk_threads_leave(); return TRUE; @@ -219,7 +201,7 @@ gtk_listbox_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxLis // eat return in all modes ret = TRUE; } - + #if wxUSE_CHECKLISTBOX if ((gdk_event->keyval == ' ') && (listbox->m_hasCheckBoxes) && (!ret)) { @@ -268,8 +250,11 @@ static void gtk_listitem_select_cb( GtkWidget *widget, wxListBox *listbox, bool if (!listbox->m_hasVMT) return; if (g_blockEventsOnDrag) return; + if (listbox->m_blockEvent) return; + wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, listbox->GetId() ); event.SetEventObject( listbox ); + // MSW doesn't do that either // event.SetExtraLong( (long) is_selection ); @@ -334,6 +319,7 @@ bool wxListBox::Create( wxWindow *parent, wxWindowID id, m_needParent = TRUE; m_acceptsFocus = TRUE; m_prevSelection = 0; // or -1 ?? + m_blockEvent = FALSE; if (!PreCreation( parent, pos, size ) || !CreateBase( parent, id, pos, size, style, validator, name )) @@ -374,11 +360,7 @@ bool wxListBox::Create( wxWindow *parent, wxWindowID id, gtk_list_set_selection_mode( GTK_LIST(m_list), mode ); -#ifdef NEW_GTK_SCROLL_CODE gtk_scrolled_window_add_with_viewport( GTK_SCROLLED_WINDOW(m_widget), GTK_WIDGET(m_list) ); -#else - gtk_container_add( GTK_CONTAINER(m_widget), GTK_WIDGET(m_list) ); -#endif /* make list scroll when moving the focus down using cursor keys */ gtk_container_set_focus_vadjustment( @@ -388,8 +370,6 @@ bool wxListBox::Create( wxWindow *parent, wxWindowID id, gtk_widget_show( GTK_WIDGET(m_list) ); - SetBestSize( size ); - if ( style & wxLB_SORT ) { // this will change DoAppend() behaviour @@ -406,11 +386,15 @@ bool wxListBox::Create( wxWindow *parent, wxWindowID id, DoAppend(choices[i]); } + // call it after appending the strings to the listbox, otherwise it doesn't + // work correctly + SetBestSize( size ); + m_parent->DoAddChild( this ); PostCreation(); - SetBackgroundColour( wxSystemSettings::GetSystemColour( wxSYS_COLOUR_LISTBOX ) ); + SetBackgroundColour( wxSystemSettings::GetColour( wxSYS_COLOUR_LISTBOX ) ); SetForegroundColour( parent->GetForegroundColour() ); SetFont( parent->GetFont() ); @@ -424,11 +408,15 @@ wxListBox::~wxListBox() m_hasVMT = FALSE; Clear(); - + if (m_strings) delete m_strings; } +// ---------------------------------------------------------------------------- +// adding items +// ---------------------------------------------------------------------------- + void wxListBox::DoInsertItems(const wxArrayString& items, int pos) { wxCHECK_RET( m_list != NULL, wxT("invalid listbox") ); @@ -455,7 +443,7 @@ void wxListBox::DoInsertItems(const wxArrayString& items, int pos) for (size_t n = 0; n < nItems; n++) { index = m_strings->Add( items[n] ); - + if (index != GetCount()) { GtkAddItem( items[n], index ); @@ -536,7 +524,7 @@ void wxListBox::GtkAddItem( const wxString &item, int pos ) } #endif // wxUSE_CHECKLISTBOX - list_item = gtk_list_item_new_with_label( label.mbc_str() ); + list_item = gtk_list_item_new_with_label( wxGTK_CONV( label ) ); GList *gitem_list = g_list_alloc (); gitem_list->data = list_item; @@ -610,59 +598,21 @@ void wxListBox::DoSetItems( const wxArrayString& items, } // ---------------------------------------------------------------------------- -// client data +// deleting items // ---------------------------------------------------------------------------- -void wxListBox::DoSetItemClientData( int n, void* clientData ) -{ - wxCHECK_RET( m_widget != NULL, wxT("invalid listbox control") ); - - wxNode *node = m_clientList.Nth( n ); - wxCHECK_RET( node, wxT("invalid index in wxListBox::DoSetItemClientData") ); - - node->SetData( (wxObject*) clientData ); -} - -void* wxListBox::DoGetItemClientData( int n ) const -{ - wxCHECK_MSG( m_widget != NULL, NULL, wxT("invalid listbox control") ); - - wxNode *node = m_clientList.Nth( n ); - wxCHECK_MSG( node, NULL, wxT("invalid index in wxListBox::DoGetItemClientData") ); - - return node->Data(); -} - -void wxListBox::DoSetItemClientObject( int n, wxClientData* clientData ) -{ - wxCHECK_RET( m_widget != NULL, wxT("invalid listbox control") ); - - wxNode *node = m_clientList.Nth( n ); - wxCHECK_RET( node, wxT("invalid index in wxListBox::DoSetItemClientObject") ); - - wxClientData *cd = (wxClientData*) node->Data(); - delete cd; - - node->SetData( (wxObject*) clientData ); -} - -wxClientData* wxListBox::DoGetItemClientObject( int n ) const -{ - wxCHECK_MSG( m_widget != NULL, (wxClientData*) NULL, wxT("invalid listbox control") ); - - wxNode *node = m_clientList.Nth( n ); - wxCHECK_MSG( node, (wxClientData *)NULL, - wxT("invalid index in wxListBox::DoGetItemClientObject") ); - - return (wxClientData*) node->Data(); -} - void wxListBox::Clear() { wxCHECK_RET( m_list != NULL, wxT("invalid listbox") ); gtk_list_clear_items( m_list, 0, GetCount() ); + if ( GTK_LIST(m_list)->last_focus_child != NULL ) + { + // This should be NULL, I think. + GTK_LIST(m_list)->last_focus_child = NULL; + } + if ( HasClientObjectData() ) { // destroy the data (due to Robert's idea of using wxList @@ -709,10 +659,81 @@ void wxListBox::Delete( int n ) m_strings->Remove(n); } +// ---------------------------------------------------------------------------- +// client data +// ---------------------------------------------------------------------------- + +void wxListBox::DoSetItemClientData( int n, void* clientData ) +{ + wxCHECK_RET( m_widget != NULL, wxT("invalid listbox control") ); + + wxNode *node = m_clientList.Nth( n ); + wxCHECK_RET( node, wxT("invalid index in wxListBox::DoSetItemClientData") ); + + node->SetData( (wxObject*) clientData ); +} + +void* wxListBox::DoGetItemClientData( int n ) const +{ + wxCHECK_MSG( m_widget != NULL, NULL, wxT("invalid listbox control") ); + + wxNode *node = m_clientList.Nth( n ); + wxCHECK_MSG( node, NULL, wxT("invalid index in wxListBox::DoGetItemClientData") ); + + return node->Data(); +} + +void wxListBox::DoSetItemClientObject( int n, wxClientData* clientData ) +{ + wxCHECK_RET( m_widget != NULL, wxT("invalid listbox control") ); + + wxNode *node = m_clientList.Nth( n ); + wxCHECK_RET( node, wxT("invalid index in wxListBox::DoSetItemClientObject") ); + + // wxItemContainer already deletes data for us + + node->SetData( (wxObject*) clientData ); +} + +wxClientData* wxListBox::DoGetItemClientObject( int n ) const +{ + wxCHECK_MSG( m_widget != NULL, (wxClientData*) NULL, wxT("invalid listbox control") ); + + wxNode *node = m_clientList.Nth( n ); + wxCHECK_MSG( node, (wxClientData *)NULL, + wxT("invalid index in wxListBox::DoGetItemClientObject") ); + + return (wxClientData*) node->Data(); +} + // ---------------------------------------------------------------------------- // string list access // ---------------------------------------------------------------------------- +wxString wxListBox::GetRealLabel(GList *item) const +{ + GtkBin *bin = GTK_BIN( item->data ); + GtkLabel *label = GTK_LABEL( bin->child ); + + wxString str; + +#ifdef __WXGTK20__ + str = wxGTK_CONV_BACK( gtk_label_get_text( label ) ); +#else + str = wxString( label->label ); +#endif + +#if wxUSE_CHECKLISTBOX + // checklistboxes have "[±] " prepended to their lables, remove it + // + // NB: 4 below is the length of wxCHECKLBOX_STRING from wx/gtk/checklst.h + if ( m_hasCheckBoxes ) + str.erase(0, 4); +#endif // wxUSE_CHECKLISTBOX + + return str; +} + void wxListBox::SetString( int n, const wxString &string ) { wxCHECK_RET( m_list != NULL, wxT("invalid listbox") ); @@ -730,7 +751,7 @@ void wxListBox::SetString( int n, const wxString &string ) #endif // wxUSE_CHECKLISTBOX str += string; - gtk_label_set( label, str.mbc_str() ); + gtk_label_set( label, wxGTK_CONV( str ) ); } else { @@ -745,12 +766,7 @@ wxString wxListBox::GetString( int n ) const GList *child = g_list_nth( m_list->children, n ); if (child) { - GtkBin *bin = GTK_BIN( child->data ); - GtkLabel *label = GTK_LABEL( bin->child ); - - wxString str = wxString(GET_REAL_LABEL(label->label),*wxConvCurrent); - - return str; + return GetRealLabel(child); } wxFAIL_MSG(wxT("wrong listbox index")); @@ -774,12 +790,7 @@ int wxListBox::FindString( const wxString &item ) const int count = 0; while (child) { - GtkBin *bin = GTK_BIN( child->data ); - GtkLabel *label = GTK_LABEL( bin->child ); - - wxString str = wxString(GET_REAL_LABEL(label->label),*wxConvCurrent); - - if (str == item) + if ( GetRealLabel(child) == item ) return count; count++; @@ -855,7 +866,7 @@ void wxListBox::SetSelection( int n, bool select ) { wxCHECK_RET( m_list != NULL, wxT("invalid listbox") ); - GtkDisableEvents(); + m_blockEvent = TRUE; if (select) { @@ -867,7 +878,7 @@ void wxListBox::SetSelection( int n, bool select ) else gtk_list_unselect_item( m_list, n ); - GtkEnableEvents(); + m_blockEvent = FALSE; } void wxListBox::DoSetFirstItem( int n ) @@ -876,18 +887,18 @@ void wxListBox::DoSetFirstItem( int n ) if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (m_list)) return; - - // terribly efficient + + // terribly efficient const gchar *vadjustment_key = "gtk-vadjustment"; guint vadjustment_key_id = g_quark_from_static_string (vadjustment_key); - - GtkAdjustment *adjustment = + + GtkAdjustment *adjustment = (GtkAdjustment*) gtk_object_get_data_by_id (GTK_OBJECT (m_list), vadjustment_key_id); wxCHECK_RET( adjustment, wxT("invalid listbox code") ); GList *target = g_list_nth( m_list->children, n ); wxCHECK_RET( target, wxT("invalid listbox index") ); - + GtkWidget *item = GTK_WIDGET(target->data); wxCHECK_RET( item, wxT("invalid listbox code") ); @@ -897,14 +908,14 @@ void wxListBox::DoSetFirstItem( int n ) data->m_listbox = this; data->m_item = n; data->m_tag = gtk_idle_add_priority( 800, wxlistbox_idle_callback, (gpointer) data ); - + return; } float y = item->allocation.y; if (y > adjustment->upper - adjustment->page_size) y = adjustment->upper - adjustment->page_size; - gtk_adjustment_set_value( adjustment, y ); + gtk_adjustment_set_value( adjustment, y ); } // ---------------------------------------------------------------------------- @@ -939,38 +950,6 @@ void wxListBox::ApplyToolTip( GtkTooltips *tips, const wxChar *tip ) } #endif // wxUSE_TOOLTIPS -void wxListBox::GtkDisableEvents() -{ - GList *child = m_list->children; - while (child) - { - gtk_signal_disconnect_by_func( GTK_OBJECT(child->data), - GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this ); - - if (HasFlag(wxLB_MULTIPLE)) - gtk_signal_disconnect_by_func( GTK_OBJECT(child->data), - GTK_SIGNAL_FUNC(gtk_listitem_deselect_callback), (gpointer)this ); - - child = child->next; - } -} - -void wxListBox::GtkEnableEvents() -{ - GList *child = m_list->children; - while (child) - { - gtk_signal_connect( GTK_OBJECT(child->data), "select", - GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this ); - - if (HasFlag(wxLB_MULTIPLE)) - gtk_signal_connect( GTK_OBJECT(child->data), "deselect", - GTK_SIGNAL_FUNC(gtk_listitem_deselect_callback), (gpointer)this ); - - child = child->next; - } -} - GtkWidget *wxListBox::GetConnectWidget() { return GTK_WIDGET(m_list); @@ -1048,12 +1027,53 @@ void wxListBox::OnInternalIdle() } } + if (g_delayedFocus == this) + { + if (GTK_WIDGET_REALIZED(m_widget)) + { + gtk_widget_grab_focus( m_widget ); + g_delayedFocus = NULL; + } + } + UpdateWindowUI(); } wxSize wxListBox::DoGetBestSize() const { - return wxSize(100, 110); + int lbWidth = 100; // some defaults + int lbHeight = 110; + int wLine; + + // Find the widest line + for(int i = 0; i < GetCount(); i++) { + wxString str(GetString(i)); + GetTextExtent(str, &wLine, NULL); + lbWidth = wxMax(lbWidth, wLine); + } + + // Add room for the scrollbar + lbWidth += wxSystemSettings::GetMetric(wxSYS_VSCROLL_X); + + // And just a bit more + int cx, cy; + GetTextExtent( wxT("X"), &cx, &cy); + lbWidth += 3 * cx; + + // don't make the listbox too tall (limit height to around 10 items) but don't + // make it too small neither + lbHeight = (cy+4) * wxMin(wxMax(GetCount(), 3), 10); + + return wxSize(lbWidth, lbHeight); } -#endif +void wxListBox::FixUpMouseEvent(GtkWidget *widget, wxCoord& x, wxCoord& y) +{ + // the mouse event coords are relative to the listbox items, we need to + // translate them to the normal client coords + x += widget->allocation.x; + y += widget->allocation.y; +} + +#endif // wxUSE_LISTBOX +