an implementation of wxListBox::SetFirstItem() which seems to work

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@8602 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2000-10-20 15:31:41 +00:00
parent 820f05f0c5
commit 9ef6ff8c4d
2 changed files with 120 additions and 50 deletions

View File

@@ -170,10 +170,10 @@ gtk_listbox_button_press_callback( GtkWidget *widget,
static gint static gint
gtk_listbox_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxListBox *listbox ) gtk_listbox_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxListBox *listbox )
{ {
if (g_isIdle) if (g_isIdle)
wxapp_install_idle_handler(); wxapp_install_idle_handler();
if (g_blockEventsOnDrag) if (g_blockEventsOnDrag)
return FALSE; return FALSE;
bool ret = FALSE; bool ret = FALSE;
@@ -188,7 +188,7 @@ gtk_listbox_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxLis
new_event.SetCurrentFocus( listbox ); new_event.SetCurrentFocus( listbox );
ret = listbox->GetEventHandler()->ProcessEvent( new_event ); ret = listbox->GetEventHandler()->ProcessEvent( new_event );
} }
#if wxUSE_CHECKLISTBOX #if wxUSE_CHECKLISTBOX
if ((gdk_event->keyval == ' ') && (listbox->m_hasCheckBoxes) && (!ret)) if ((gdk_event->keyval == ' ') && (listbox->m_hasCheckBoxes) && (!ret))
{ {
@@ -231,7 +231,7 @@ static void gtk_listitem_select_callback( GtkWidget *WXUNUSED(widget), wxListBox
if (!listbox->m_hasVMT) return; if (!listbox->m_hasVMT) return;
if (g_blockEventsOnDrag) return; if (g_blockEventsOnDrag) return;
wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, listbox->GetId() ); wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, listbox->GetId() );
event.SetEventObject( listbox ); event.SetEventObject( listbox );
@@ -380,7 +380,7 @@ void wxListBox::DoInsertItems(const wxArrayString& items, int pos)
GList *children = m_list->children; GList *children = m_list->children;
int length = g_list_length(children); int length = g_list_length(children);
wxCHECK_RET( pos <= length, wxT("invalid index in wxListBox::InsertItems") ); wxCHECK_RET( pos <= length, wxT("invalid index in wxListBox::InsertItems") );
size_t nItems = items.GetCount(); size_t nItems = items.GetCount();
@@ -415,19 +415,19 @@ int wxListBox::DoAppend( const wxString& item )
{ {
// need to determine the index // need to determine the index
int index = m_strings->Add( item ); int index = m_strings->Add( item );
// only if not at the end anyway // only if not at the end anyway
if (index != GetCount()) if (index != GetCount())
{ {
GtkAddItem( item, index ); GtkAddItem( item, index );
wxNode *node = m_clientList.Nth( index ); wxNode *node = m_clientList.Nth( index );
m_clientList.Insert( node, (wxObject *)NULL ); m_clientList.Insert( node, (wxObject *)NULL );
return index; return index;
} }
} }
GtkAddItem(item); GtkAddItem(item);
m_clientList.Append((wxObject *)NULL); m_clientList.Append((wxObject *)NULL);
@@ -453,7 +453,7 @@ void wxListBox::GtkAddItem( const wxString &item, int pos )
GList *gitem_list = g_list_alloc (); GList *gitem_list = g_list_alloc ();
gitem_list->data = list_item; gitem_list->data = list_item;
if (pos == -1) if (pos == -1)
gtk_list_append_items( GTK_LIST (m_list), gitem_list ); gtk_list_append_items( GTK_LIST (m_list), gitem_list );
else else
@@ -491,8 +491,8 @@ void wxListBox::GtkAddItem( const wxString &item, int pos )
gtk_widget_realize( GTK_BIN(list_item)->child ); gtk_widget_realize( GTK_BIN(list_item)->child );
// Apply current widget style to the new list_item // 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 ); gtk_widget_set_style( GTK_WIDGET( list_item ), m_widgetStyle );
GtkBin *bin = GTK_BIN( list_item ); GtkBin *bin = GTK_BIN( list_item );
GtkWidget *label = GTK_WIDGET( bin->child ); GtkWidget *label = GTK_WIDGET( bin->child );
@@ -758,9 +758,9 @@ bool wxListBox::IsSelected( int n ) const
wxCHECK_MSG( m_list != NULL, FALSE, wxT("invalid listbox") ); wxCHECK_MSG( m_list != NULL, FALSE, wxT("invalid listbox") );
GList *target = g_list_nth( m_list->children, n ); GList *target = g_list_nth( m_list->children, n );
wxCHECK_MSG( target, FALSE, wxT("invalid listbox index") ); wxCHECK_MSG( target, FALSE, wxT("invalid listbox index") );
return (GTK_WIDGET(target->data)->state == GTK_STATE_SELECTED) ; return (GTK_WIDGET(target->data)->state == GTK_STATE_SELECTED) ;
} }
@@ -778,9 +778,44 @@ void wxListBox::SetSelection( int n, bool select )
GtkEnableEvents(); GtkEnableEvents();
} }
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") );
// find the last item before this one which is already realized
size_t nItemsBefore;
for ( nItemsBefore = 0; item && (item->allocation.y == -1); nItemsBefore++ )
{
target = target->prev;
if ( !target )
{
// nothing we can do if there are no allocated items yet
return;
}
item = GTK_WIDGET(target->data);
}
gtk_adjustment_set_value(adjustment,
item->allocation.y +
nItemsBefore*item->allocation.height);
} }
// ---------------------------------------------------------------------------- // ----------------------------------------------------------------------------
@@ -906,7 +941,7 @@ void wxListBox::OnInternalIdle()
as setting the cursor in a parent window also effects the as setting the cursor in a parent window also effects the
windows above so that checking for the current cursor is windows above so that checking for the current cursor is
not possible. */ not possible. */
gdk_window_set_cursor( GTK_WIDGET(m_list)->window, cursor.GetCursor() ); gdk_window_set_cursor( GTK_WIDGET(m_list)->window, cursor.GetCursor() );
GList *child = m_list->children; GList *child = m_list->children;
@@ -914,7 +949,7 @@ void wxListBox::OnInternalIdle()
{ {
GtkBin *bin = GTK_BIN( child->data ); GtkBin *bin = GTK_BIN( child->data );
GtkWidget *label = GTK_WIDGET( bin->child ); GtkWidget *label = GTK_WIDGET( bin->child );
if (!label->window) if (!label->window)
break; break;
else else

View File

@@ -170,10 +170,10 @@ gtk_listbox_button_press_callback( GtkWidget *widget,
static gint static gint
gtk_listbox_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxListBox *listbox ) gtk_listbox_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxListBox *listbox )
{ {
if (g_isIdle) if (g_isIdle)
wxapp_install_idle_handler(); wxapp_install_idle_handler();
if (g_blockEventsOnDrag) if (g_blockEventsOnDrag)
return FALSE; return FALSE;
bool ret = FALSE; bool ret = FALSE;
@@ -188,7 +188,7 @@ gtk_listbox_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxLis
new_event.SetCurrentFocus( listbox ); new_event.SetCurrentFocus( listbox );
ret = listbox->GetEventHandler()->ProcessEvent( new_event ); ret = listbox->GetEventHandler()->ProcessEvent( new_event );
} }
#if wxUSE_CHECKLISTBOX #if wxUSE_CHECKLISTBOX
if ((gdk_event->keyval == ' ') && (listbox->m_hasCheckBoxes) && (!ret)) if ((gdk_event->keyval == ' ') && (listbox->m_hasCheckBoxes) && (!ret))
{ {
@@ -231,7 +231,7 @@ static void gtk_listitem_select_callback( GtkWidget *WXUNUSED(widget), wxListBox
if (!listbox->m_hasVMT) return; if (!listbox->m_hasVMT) return;
if (g_blockEventsOnDrag) return; if (g_blockEventsOnDrag) return;
wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, listbox->GetId() ); wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, listbox->GetId() );
event.SetEventObject( listbox ); event.SetEventObject( listbox );
@@ -380,7 +380,7 @@ void wxListBox::DoInsertItems(const wxArrayString& items, int pos)
GList *children = m_list->children; GList *children = m_list->children;
int length = g_list_length(children); int length = g_list_length(children);
wxCHECK_RET( pos <= length, wxT("invalid index in wxListBox::InsertItems") ); wxCHECK_RET( pos <= length, wxT("invalid index in wxListBox::InsertItems") );
size_t nItems = items.GetCount(); size_t nItems = items.GetCount();
@@ -415,19 +415,19 @@ int wxListBox::DoAppend( const wxString& item )
{ {
// need to determine the index // need to determine the index
int index = m_strings->Add( item ); int index = m_strings->Add( item );
// only if not at the end anyway // only if not at the end anyway
if (index != GetCount()) if (index != GetCount())
{ {
GtkAddItem( item, index ); GtkAddItem( item, index );
wxNode *node = m_clientList.Nth( index ); wxNode *node = m_clientList.Nth( index );
m_clientList.Insert( node, (wxObject *)NULL ); m_clientList.Insert( node, (wxObject *)NULL );
return index; return index;
} }
} }
GtkAddItem(item); GtkAddItem(item);
m_clientList.Append((wxObject *)NULL); m_clientList.Append((wxObject *)NULL);
@@ -453,7 +453,7 @@ void wxListBox::GtkAddItem( const wxString &item, int pos )
GList *gitem_list = g_list_alloc (); GList *gitem_list = g_list_alloc ();
gitem_list->data = list_item; gitem_list->data = list_item;
if (pos == -1) if (pos == -1)
gtk_list_append_items( GTK_LIST (m_list), gitem_list ); gtk_list_append_items( GTK_LIST (m_list), gitem_list );
else else
@@ -491,8 +491,8 @@ void wxListBox::GtkAddItem( const wxString &item, int pos )
gtk_widget_realize( GTK_BIN(list_item)->child ); gtk_widget_realize( GTK_BIN(list_item)->child );
// Apply current widget style to the new list_item // 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 ); gtk_widget_set_style( GTK_WIDGET( list_item ), m_widgetStyle );
GtkBin *bin = GTK_BIN( list_item ); GtkBin *bin = GTK_BIN( list_item );
GtkWidget *label = GTK_WIDGET( bin->child ); GtkWidget *label = GTK_WIDGET( bin->child );
@@ -758,9 +758,9 @@ bool wxListBox::IsSelected( int n ) const
wxCHECK_MSG( m_list != NULL, FALSE, wxT("invalid listbox") ); wxCHECK_MSG( m_list != NULL, FALSE, wxT("invalid listbox") );
GList *target = g_list_nth( m_list->children, n ); GList *target = g_list_nth( m_list->children, n );
wxCHECK_MSG( target, FALSE, wxT("invalid listbox index") ); wxCHECK_MSG( target, FALSE, wxT("invalid listbox index") );
return (GTK_WIDGET(target->data)->state == GTK_STATE_SELECTED) ; return (GTK_WIDGET(target->data)->state == GTK_STATE_SELECTED) ;
} }
@@ -778,9 +778,44 @@ void wxListBox::SetSelection( int n, bool select )
GtkEnableEvents(); GtkEnableEvents();
} }
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") );
// find the last item before this one which is already realized
size_t nItemsBefore;
for ( nItemsBefore = 0; item && (item->allocation.y == -1); nItemsBefore++ )
{
target = target->prev;
if ( !target )
{
// nothing we can do if there are no allocated items yet
return;
}
item = GTK_WIDGET(target->data);
}
gtk_adjustment_set_value(adjustment,
item->allocation.y +
nItemsBefore*item->allocation.height);
} }
// ---------------------------------------------------------------------------- // ----------------------------------------------------------------------------
@@ -906,7 +941,7 @@ void wxListBox::OnInternalIdle()
as setting the cursor in a parent window also effects the as setting the cursor in a parent window also effects the
windows above so that checking for the current cursor is windows above so that checking for the current cursor is
not possible. */ not possible. */
gdk_window_set_cursor( GTK_WIDGET(m_list)->window, cursor.GetCursor() ); gdk_window_set_cursor( GTK_WIDGET(m_list)->window, cursor.GetCursor() );
GList *child = m_list->children; GList *child = m_list->children;
@@ -914,7 +949,7 @@ void wxListBox::OnInternalIdle()
{ {
GtkBin *bin = GTK_BIN( child->data ); GtkBin *bin = GTK_BIN( child->data );
GtkWidget *label = GTK_WIDGET( bin->child ); GtkWidget *label = GTK_WIDGET( bin->child );
if (!label->window) if (!label->window)
break; break;
else else