X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/846e1424e2f563b699e7fcb81d10cf6f2246487f..81c9effa8462662263c3b4eac2cfae1ef5caae2c:/src/gtk1/listbox.cpp diff --git a/src/gtk1/listbox.cpp b/src/gtk1/listbox.cpp index cf6a80e27a..afdac34650 100644 --- a/src/gtk1/listbox.cpp +++ b/src/gtk1/listbox.cpp @@ -37,24 +37,14 @@ 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 -#define CHECKBOX_STRING "[-] " - // checklistboxes have "[±] " prepended to their lables, this macro removes it -// (NB: 4 below is the length of CHECKBOX_STRING above) +// (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)) @@ -75,6 +65,39 @@ extern wxCursor g_globalCursor; static bool g_hasDoubleClicked = FALSE; +//----------------------------------------------------------------------------- +// idle callback for SetFirstItem +//----------------------------------------------------------------------------- + +struct wxlistbox_idle_struct +{ + wxListBox *m_listbox; + int m_item; + gint m_tag; +}; + +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 ); + + // 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; +} + //----------------------------------------------------------------------------- // "button_release_event" //----------------------------------------------------------------------------- @@ -170,10 +193,10 @@ gtk_listbox_button_press_callback( GtkWidget *widget, static gint gtk_listbox_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxListBox *listbox ) { - if (g_isIdle) + if (g_isIdle) wxapp_install_idle_handler(); - if (g_blockEventsOnDrag) + if (g_blockEventsOnDrag) return FALSE; bool ret = FALSE; @@ -188,7 +211,13 @@ gtk_listbox_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxLis new_event.SetCurrentFocus( listbox ); ret = listbox->GetEventHandler()->ProcessEvent( new_event ); } - + + if ((gdk_event->keyval == GDK_Return) && (!ret)) + { + // eat return in all modes + ret = TRUE; + } + #if wxUSE_CHECKLISTBOX if ((gdk_event->keyval == ' ') && (listbox->m_hasCheckBoxes) && (!ret)) { @@ -218,22 +247,43 @@ gtk_listbox_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxLis // "select" and "deselect" //----------------------------------------------------------------------------- -static void gtk_listitem_select_callback( GtkWidget *WXUNUSED(widget), wxListBox *listbox ); +static void gtk_listitem_select_cb( GtkWidget *widget, wxListBox *listbox, bool is_selection ); + +static void gtk_listitem_select_callback( GtkWidget *widget, wxListBox *listbox ) +{ + gtk_listitem_select_cb( widget, listbox, TRUE ); +} static void gtk_listitem_deselect_callback( GtkWidget *widget, wxListBox *listbox ) { - gtk_listitem_select_callback( widget, listbox ); + gtk_listitem_select_cb( widget, listbox, FALSE ); } -static void gtk_listitem_select_callback( GtkWidget *WXUNUSED(widget), wxListBox *listbox ) +static void gtk_listitem_select_cb( GtkWidget *widget, wxListBox *listbox, bool is_selection ) { if (g_isIdle) wxapp_install_idle_handler(); 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 ); + + + if ((listbox->GetWindowStyleFlag() & wxLB_SINGLE) != 0) + { + int sel = listbox->GtkGetIndex( widget ); + + if (listbox->m_prevSelection != sel) + gtk_list_unselect_item( listbox->m_list, listbox->m_prevSelection ); + + listbox->m_prevSelection = sel; + } wxArrayInt aSelections; int n, count = listbox->GetSelections(aSelections); @@ -253,8 +303,9 @@ static void gtk_listitem_select_callback( GtkWidget *WXUNUSED(widget), wxListBox event.m_commandInt = n; - listbox->GetEventHandler()->AddPendingEvent( event ); -// listbox->GetEventHandler()->ProcessEvent( event ); +// No longer required with new code in wxLB_SINGLE +// listbox->GetEventHandler()->AddPendingEvent( event ); + listbox->GetEventHandler()->ProcessEvent( event ); } //----------------------------------------------------------------------------- @@ -283,6 +334,9 @@ bool wxListBox::Create( wxWindow *parent, wxWindowID id, { m_needParent = TRUE; m_acceptsFocus = TRUE; + m_isListBox = TRUE; + m_prevSelection = 0; // or -1 ?? + m_blockEvent = FALSE; if (!PreCreation( parent, pos, size ) || !CreateBase( parent, id, pos, size, style, validator, name )) @@ -305,19 +359,25 @@ bool wxListBox::Create( wxWindow *parent, wxWindowID id, m_list = GTK_LIST( gtk_list_new() ); - GtkSelectionMode mode = GTK_SELECTION_BROWSE; + GtkSelectionMode mode; if (style & wxLB_MULTIPLE) + { mode = GTK_SELECTION_MULTIPLE; + } else if (style & wxLB_EXTENDED) + { mode = GTK_SELECTION_EXTENDED; + } + else + { + // if style was 0 set single mode + m_windowStyle |= wxLB_SINGLE; + mode = GTK_SELECTION_MULTIPLE; + } 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( @@ -327,8 +387,6 @@ bool wxListBox::Create( wxWindow *parent, wxWindowID id, gtk_widget_show( GTK_WIDGET(m_list) ); - SetSizeOrDefault( size ); - if ( style & wxLB_SORT ) { // this will change DoAppend() behaviour @@ -345,11 +403,15 @@ 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_WINDOW ) ); + SetBackgroundColour( wxSystemSettings::GetColour( wxSYS_COLOUR_LISTBOX ) ); SetForegroundColour( parent->GetForegroundColour() ); SetFont( parent->GetFont() ); @@ -360,7 +422,12 @@ bool wxListBox::Create( wxWindow *parent, wxWindowID id, wxListBox::~wxListBox() { + m_hasVMT = FALSE; + Clear(); + + if (m_strings) + delete m_strings; } void wxListBox::DoInsertItems(const wxArrayString& items, int pos) @@ -378,28 +445,51 @@ void wxListBox::DoInsertItems(const wxArrayString& items, int pos) GList *children = m_list->children; int length = g_list_length(children); - + wxCHECK_RET( pos <= length, wxT("invalid index in wxListBox::InsertItems") ); size_t nItems = items.GetCount(); + int index; - if (pos == length) + if (m_strings) { - for ( size_t n = 0; n < nItems; n++ ) + for (size_t n = 0; n < nItems; n++) { - GtkAddItem( items[n] ); - - m_clientList.Append((wxObject *)NULL); + index = m_strings->Add( items[n] ); + + if (index != GetCount()) + { + GtkAddItem( items[n], index ); + wxNode *node = m_clientList.Nth( index ); + m_clientList.Insert( node, (wxObject*) NULL ); + } + else + { + GtkAddItem( items[n] ); + m_clientList.Append( (wxObject*) NULL ); + } } } else { - wxNode *node = m_clientList.Nth( pos ); - for ( size_t n = 0; n < nItems; n++ ) + if (pos == length) { - GtkAddItem( items[n], pos+n ); + for ( size_t n = 0; n < nItems; n++ ) + { + GtkAddItem( items[n] ); - m_clientList.Insert( node, (wxObject *)NULL ); + m_clientList.Append((wxObject *)NULL); + } + } + else + { + wxNode *node = m_clientList.Nth( pos ); + for ( size_t n = 0; n < nItems; n++ ) + { + GtkAddItem( items[n], pos+n ); + + m_clientList.Insert( node, (wxObject *)NULL ); + } } } @@ -413,19 +503,19 @@ int wxListBox::DoAppend( const wxString& item ) { // need to determine the index int index = m_strings->Add( item ); - - // only if not at the end anyway - if (index != GetCount()) - { - GtkAddItem( item, index ); - - wxNode *node = m_clientList.Nth( index ); + + // only if not at the end anyway + if (index != GetCount()) + { + GtkAddItem( item, index ); + + wxNode *node = m_clientList.Nth( index ); m_clientList.Insert( node, (wxObject *)NULL ); - - return index; - } + + return index; + } } - + GtkAddItem(item); m_clientList.Append((wxObject *)NULL); @@ -443,7 +533,7 @@ void wxListBox::GtkAddItem( const wxString &item, int pos ) #if wxUSE_CHECKLISTBOX if (m_hasCheckBoxes) { - label.Prepend(CHECKBOX_STRING); + label.Prepend(wxCHECKLBOX_STRING); } #endif // wxUSE_CHECKLISTBOX @@ -451,7 +541,7 @@ void wxListBox::GtkAddItem( const wxString &item, int pos ) GList *gitem_list = g_list_alloc (); gitem_list->data = list_item; - + if (pos == -1) gtk_list_append_items( GTK_LIST (m_list), gitem_list ); else @@ -460,7 +550,7 @@ void wxListBox::GtkAddItem( const wxString &item, int pos ) gtk_signal_connect( GTK_OBJECT(list_item), "select", GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this ); - if (HasFlag(wxLB_MULTIPLE)) + if (HasFlag(wxLB_MULTIPLE) || HasFlag(wxLB_EXTENDED)) gtk_signal_connect( GTK_OBJECT(list_item), "deselect", GTK_SIGNAL_FUNC(gtk_listitem_deselect_callback), (gpointer)this ); @@ -489,8 +579,8 @@ void wxListBox::GtkAddItem( const wxString &item, int pos ) gtk_widget_realize( GTK_BIN(list_item)->child ); // Apply current widget style to the new list_item - if (m_widgetStyle) - { + if (m_widgetStyle) + { gtk_widget_set_style( GTK_WIDGET( list_item ), m_widgetStyle ); GtkBin *bin = GTK_BIN( list_item ); GtkWidget *label = GTK_WIDGET( bin->child ); @@ -572,7 +662,13 @@ void wxListBox::Clear() { wxCHECK_RET( m_list != NULL, wxT("invalid listbox") ); - gtk_list_clear_items( m_list, 0, Number() ); + 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() ) { @@ -607,7 +703,7 @@ void wxListBox::Delete( int n ) wxNode *node = m_clientList.Nth( n ); if ( node ) { - if ( m_clientDataItemsType == ClientData_Object ) + if ( m_clientDataItemsType == wxClientData_Object ) { wxClientData *cd = (wxClientData*)node->Data(); delete cd; @@ -637,7 +733,7 @@ void wxListBox::SetString( int n, const wxString &string ) wxString str; #if wxUSE_CHECKLISTBOX if (m_hasCheckBoxes) - str += CHECKBOX_STRING; + str += wxCHECKLBOX_STRING; #endif // wxUSE_CHECKLISTBOX str += string; @@ -756,9 +852,9 @@ bool wxListBox::IsSelected( int n ) const wxCHECK_MSG( m_list != NULL, FALSE, wxT("invalid listbox") ); GList *target = g_list_nth( m_list->children, n ); - + wxCHECK_MSG( target, FALSE, wxT("invalid listbox index") ); - + return (GTK_WIDGET(target->data)->state == GTK_STATE_SELECTED) ; } @@ -766,19 +862,56 @@ void wxListBox::SetSelection( int n, bool select ) { wxCHECK_RET( m_list != NULL, wxT("invalid listbox") ); - GtkDisableEvents(); + m_blockEvent = TRUE; if (select) + { + if ((m_windowStyle & wxLB_SINGLE) != 0) + gtk_list_unselect_item( m_list, m_prevSelection ); gtk_list_select_item( m_list, n ); + m_prevSelection = n; + } else gtk_list_unselect_item( m_list, n ); - GtkEnableEvents(); + m_blockEvent = FALSE; } -void wxListBox::DoSetFirstItem( int WXUNUSED(n) ) +void wxListBox::DoSetFirstItem( int n ) { - wxFAIL_MSG(wxT("wxListBox::SetFirstItem not implemented")); + wxCHECK_RET( m_list, wxT("invalid listbox") ); + + if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (m_list)) + return; + + // terribly efficient + const gchar *vadjustment_key = "gtk-vadjustment"; + guint vadjustment_key_id = g_quark_from_static_string (vadjustment_key); + + 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") ); + + if (item->allocation.y == -1) + { + wxlistbox_idle_struct* data = new wxlistbox_idle_struct; + 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 ); } // ---------------------------------------------------------------------------- @@ -813,38 +946,6 @@ 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); @@ -904,7 +1005,7 @@ void wxListBox::OnInternalIdle() as setting the cursor in a parent window also effects the windows above so that checking for the current cursor is not possible. */ - + gdk_window_set_cursor( GTK_WIDGET(m_list)->window, cursor.GetCursor() ); GList *child = m_list->children; @@ -912,7 +1013,7 @@ void wxListBox::OnInternalIdle() { GtkBin *bin = GTK_BIN( child->data ); GtkWidget *label = GTK_WIDGET( bin->child ); - + if (!label->window) break; else @@ -927,7 +1028,30 @@ void wxListBox::OnInternalIdle() 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("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