Upported wxListBox key handling and SetFirstItem()

[wxWidgets.git] / src / gtk / listbox.cpp

diff --git a/src/gtk/listbox.cpp b/src/gtk/listbox.cpp
index b3f0b65c4aa276c43876470bba0d6a5d6bb9ddec..8d8a3579759a58adfc8330cabc6bc80b6bd0a692 100644 (file)
--- a/src/gtk/listbox.cpp
+++ b/src/gtk/listbox.cpp
@@ -12,6 +12,12 @@
 #pragma implementation "listbox.h"
 #endif
 
 #pragma implementation "listbox.h"
 #endif
 

+#ifdef __VMS
+#define gtk_scrolled_window_add_with_viewport gtk_scrolled_window_add_with_vi
+#define gtk_container_set_focus_vadjustment gtk_container_set_focus_vadjust
+#define gtk_scrolled_window_get_vadjustment gtk_scrolled_window_get_vadjust
+#endif
+

 #include "wx/listbox.h"
 
 #if wxUSE_LISTBOX
 #include "wx/listbox.h"
 
 #if wxUSE_LISTBOX


@@ -75,6 +81,33 @@ extern wxCursor   g_globalCursor;
 
 static bool       g_hasDoubleClicked = FALSE;
 
 
 static bool       g_hasDoubleClicked = FALSE;
 

+//-----------------------------------------------------------------------------
+// idle callback for SetFirstItem
+//-----------------------------------------------------------------------------
+
+struct wxlistbox_idle_struct
+{
+    wxListBox   *m_listbox;
+    int          m_item;
+    gint         m_tag;
+};
+
+static 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"
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // "button_release_event"
 //-----------------------------------------------------------------------------


@@ -170,10 +203,10 @@ gtk_listbox_button_press_callback( GtkWidget *widget,
 static gint
 gtk_listbox_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxListBox *listbox )
 {
 static gint
 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;
 
     bool ret = FALSE;
         return FALSE;
 
     bool ret = FALSE;


@@ -188,7 +221,13 @@ gtk_listbox_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxLis
         new_event.SetCurrentFocus( listbox );
         ret = listbox->GetEventHandler()->ProcessEvent( new_event );
     }
         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))
     {
 #if wxUSE_CHECKLISTBOX
     if ((gdk_event->keyval == ' ') && (listbox->m_hasCheckBoxes) && (!ret))
     {


@@ -305,11 +344,21 @@ bool wxListBox::Create( wxWindow *parent, wxWindowID id,
 
     m_list = GTK_LIST( gtk_list_new() );
 
 
     m_list = GTK_LIST( gtk_list_new() );
 

-    GtkSelectionMode mode = GTK_SELECTION_BROWSE;
+    GtkSelectionMode mode;

     if (style & wxLB_MULTIPLE)
     if (style & wxLB_MULTIPLE)

+    {

         mode = GTK_SELECTION_MULTIPLE;
         mode = GTK_SELECTION_MULTIPLE;

+    }

     else if (style & wxLB_EXTENDED)
     else if (style & wxLB_EXTENDED)

+    {

         mode = GTK_SELECTION_EXTENDED;
         mode = GTK_SELECTION_EXTENDED;

+    }
+    else
+    {
+        // if style was 0 set single mode
+        m_windowStyle |= wxLB_SINGLE;
+        mode = GTK_SELECTION_BROWSE;
+    }

 
     gtk_list_set_selection_mode( GTK_LIST(m_list), mode );
 
 
     gtk_list_set_selection_mode( GTK_LIST(m_list), mode );
 


@@ -349,7 +398,7 @@ bool wxListBox::Create( wxWindow *parent, wxWindowID id,
 
     PostCreation();
 
 
     PostCreation();
 

-    SetBackgroundColour( wxSystemSettings::GetSystemColour( wxSYS_COLOUR_WINDOW ) );
+    SetBackgroundColour( wxSystemSettings::GetSystemColour( wxSYS_COLOUR_LISTBOX ) );

     SetForegroundColour( parent->GetForegroundColour() );
     SetFont( parent->GetFont() );
 
     SetForegroundColour( parent->GetForegroundColour() );
     SetFont( parent->GetFont() );
 


@@ -360,7 +409,12 @@ bool wxListBox::Create( wxWindow *parent, wxWindowID id,
 
 wxListBox::~wxListBox()
 {
 
 wxListBox::~wxListBox()
 {

+    m_hasVMT = FALSE;
+

     Clear();
     Clear();

+    
+    if (m_strings)
+      delete m_strings;

 }
 
 void wxListBox::DoInsertItems(const wxArrayString& items, int pos)
 }
 
 void wxListBox::DoInsertItems(const wxArrayString& items, int pos)


@@ -378,7 +432,7 @@ void wxListBox::DoInsertItems(const wxArrayString& items, int pos)
 
     GList *children = m_list->children;
     int length = g_list_length(children);
 
     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();
     wxCHECK_RET( pos <= length, wxT("invalid index in wxListBox::InsertItems") );
 
     size_t nItems = items.GetCount();


@@ -413,19 +467,19 @@ int wxListBox::DoAppend( const wxString& item )
     {
         // need to determine the index
         int index = m_strings->Add( 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 );
            m_clientList.Insert( node, (wxObject *)NULL );

-          
-          return index;
-       }
+
+           return index;
+        }

     }
     }

-    
+

     GtkAddItem(item);
 
     m_clientList.Append((wxObject *)NULL);
     GtkAddItem(item);
 
     m_clientList.Append((wxObject *)NULL);


@@ -451,7 +505,7 @@ void wxListBox::GtkAddItem( const wxString &item, int pos )
 
     GList *gitem_list = g_list_alloc ();
     gitem_list->data = list_item;
 
     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
     if (pos == -1)
         gtk_list_append_items( GTK_LIST (m_list), gitem_list );
     else


@@ -489,8 +543,8 @@ 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
         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 );
             gtk_widget_set_style( GTK_WIDGET( list_item ), m_widgetStyle );
             GtkBin *bin = GTK_BIN( list_item );
             GtkWidget *label = GTK_WIDGET( bin->child );


@@ -756,19 +810,10 @@ 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( 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 )
 }
 
 void wxListBox::SetSelection( int n, bool select )


@@ -785,9 +830,41 @@ 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") );
+
+    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 );

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -913,7 +990,7 @@ 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. */
            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;
         gdk_window_set_cursor( GTK_WIDGET(m_list)->window, cursor.GetCursor() );
 
         GList *child = m_list->children;


@@ -921,7 +998,7 @@ void wxListBox::OnInternalIdle()
         {
             GtkBin *bin = GTK_BIN( child->data );
             GtkWidget *label = GTK_WIDGET( bin->child );
         {
             GtkBin *bin = GTK_BIN( child->data );
             GtkWidget *label = GTK_WIDGET( bin->child );

-            
+

             if (!label->window)
                 break;
             else
             if (!label->window)
                 break;
             else