X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/11e1c70d8e6aa75e2ecb660fffd61b6cfcb8ffc7..5d5da6f610400c6a6a7886b154adeb8a69772f98:/src/gtk/listbox.cpp diff --git a/src/gtk/listbox.cpp b/src/gtk/listbox.cpp index ae049dada8..d54e30e324 100644 --- a/src/gtk/listbox.cpp +++ b/src/gtk/listbox.cpp @@ -26,12 +26,9 @@ #include "wx/tooltip.h" #endif -#if wxUSE_DRAG_AND_DROP -#include "wx/dnd.h" -#endif - -#include "gdk/gdk.h" -#include "gtk/gtk.h" +#include +#include +#include //----------------------------------------------------------------------------- // idle system @@ -40,24 +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)) @@ -78,6 +65,33 @@ 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 ); + + data->m_listbox->SetFirstItem( data->m_item ); + + delete data; + + gdk_threads_leave(); + + return TRUE; +} + //----------------------------------------------------------------------------- // "button_release_event" //----------------------------------------------------------------------------- @@ -170,53 +184,100 @@ gtk_listbox_button_press_callback( GtkWidget *widget, // "key_press_event" //----------------------------------------------------------------------------- -#if wxUSE_CHECKLISTBOX static gint gtk_listbox_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxListBox *listbox ) { - if (g_isIdle) wxapp_install_idle_handler(); + if (g_isIdle) + wxapp_install_idle_handler(); - if (g_blockEventsOnDrag) return FALSE; + if (g_blockEventsOnDrag) + return FALSE; - if (!listbox->m_hasVMT) return FALSE; + bool ret = FALSE; - if (gdk_event->keyval != ' ') return FALSE; + if ((gdk_event->keyval == GDK_Tab) || (gdk_event->keyval == GDK_ISO_Left_Tab)) + { + wxNavigationKeyEvent new_event; + /* GDK reports GDK_ISO_Left_Tab for SHIFT-TAB */ + new_event.SetDirection( (gdk_event->keyval == GDK_Tab) ); + /* CTRL-TAB changes the (parent) window, i.e. switch notebook page */ + new_event.SetWindowChange( (gdk_event->state & GDK_CONTROL_MASK) ); + new_event.SetCurrentFocus( listbox ); + ret = listbox->GetEventHandler()->ProcessEvent( new_event ); + } - int sel = listbox->GtkGetIndex( widget ); + if ((gdk_event->keyval == GDK_Return) && (!ret)) + { + // eat return in all modes + ret = TRUE; + } - wxCheckListBox *clb = (wxCheckListBox *)listbox; +#if wxUSE_CHECKLISTBOX + if ((gdk_event->keyval == ' ') && (listbox->m_hasCheckBoxes) && (!ret)) + { + int sel = listbox->GtkGetIndex( widget ); - clb->Check( sel, !clb->IsChecked(sel) ); + wxCheckListBox *clb = (wxCheckListBox *)listbox; - wxCommandEvent event( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, listbox->GetId() ); - event.SetEventObject( listbox ); - event.SetInt( sel ); - listbox->GetEventHandler()->ProcessEvent( event ); + clb->Check( sel, !clb->IsChecked(sel) ); + + wxCommandEvent new_event( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, listbox->GetId() ); + new_event.SetEventObject( listbox ); + new_event.SetInt( sel ); + ret = listbox->GetEventHandler()->ProcessEvent( new_event ); + } +#endif // wxUSE_CHECKLISTBOX + + if (ret) + { + gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "key_press_event" ); + return TRUE; + } return FALSE; } -#endif // wxUSE_CHECKLISTBOX //----------------------------------------------------------------------------- // "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); @@ -236,6 +297,8 @@ static void gtk_listitem_select_callback( GtkWidget *WXUNUSED(widget), wxListBox event.m_commandInt = n; +// No longer required with new code in wxLB_SINGLE +// listbox->GetEventHandler()->AddPendingEvent( event ); listbox->GetEventHandler()->ProcessEvent( event ); } @@ -265,6 +328,9 @@ 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 )) @@ -287,19 +353,25 @@ 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( @@ -309,16 +381,15 @@ bool wxListBox::Create( wxWindow *parent, wxWindowID id, gtk_widget_show( GTK_WIDGET(m_list) ); - wxSize newSize = size; - if (newSize.x == -1) newSize.x = 100; - if (newSize.y == -1) newSize.y = 110; - SetSize( newSize.x, newSize.y ); - if ( style & wxLB_SORT ) { // this will change DoAppend() behaviour m_strings = new wxSortedArrayString; } + else + { + m_strings = (wxSortedArrayString *)NULL; + } for (int i = 0; i < n; i++) { @@ -326,11 +397,15 @@ 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() ); @@ -341,7 +416,12 @@ 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) @@ -359,28 +439,51 @@ 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 ); + } } } @@ -394,19 +497,19 @@ 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); @@ -424,7 +527,7 @@ 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 @@ -432,7 +535,7 @@ 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 @@ -441,7 +544,7 @@ 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 ); @@ -455,28 +558,23 @@ void wxListBox::GtkAddItem( const wxString &item, int pos ) (GtkSignalFunc)gtk_listbox_button_release_callback, (gpointer) this ); -#if wxUSE_CHECKLISTBOX - if (m_hasCheckBoxes) - { - gtk_signal_connect( GTK_OBJECT(list_item), + gtk_signal_connect( GTK_OBJECT(list_item), "key_press_event", (GtkSignalFunc)gtk_listbox_key_press_callback, (gpointer)this ); - } -#endif // wxUSE_CHECKLISTBOX - - gtk_widget_show( list_item ); ConnectWidget( list_item ); + gtk_widget_show( list_item ); + if (GTK_WIDGET_REALIZED(m_widget)) { gtk_widget_realize( list_item ); 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 ); @@ -558,7 +656,13 @@ 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() ) { @@ -593,7 +697,7 @@ 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; @@ -623,7 +727,7 @@ 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; @@ -742,38 +846,66 @@ bool wxListBox::IsSelected( int n ) const wxCHECK_MSG( m_list != NULL, FALSE, wxT("invalid listbox") ); GList *target = g_list_nth( m_list->children, n ); - if (target) - { - GList *child = m_list->selection; - while (child) - { - if (child->data == target->data) return TRUE; - child = child->next; - } - } - wxFAIL_MSG(wxT("wrong listbox index")); + wxCHECK_MSG( target, FALSE, wxT("invalid listbox index") ); - return FALSE; + return (GTK_WIDGET(target->data)->state == GTK_STATE_SELECTED) ; } 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 ); } // ---------------------------------------------------------------------------- @@ -808,38 +940,6 @@ 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); @@ -847,7 +947,7 @@ GtkWidget *wxListBox::GetConnectWidget() bool wxListBox::IsOwnGtkWindow( GdkWindow *window ) { - if (wxWindow::IsOwnGtkWindow( window )) return TRUE; + if (GTK_WIDGET(m_list)->window == window) return TRUE; GList *child = m_list->children; while (child) @@ -899,7 +999,7 @@ 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; @@ -907,7 +1007,7 @@ void wxListBox::OnInternalIdle() { GtkBin *bin = GTK_BIN( child->data ); GtkWidget *label = GTK_WIDGET( bin->child ); - + if (!label->window) break; else @@ -920,4 +1020,32 @@ void wxListBox::OnInternalIdle() UpdateWindowUI(); } +wxSize wxListBox::DoGetBestSize() const +{ + 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