X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f90fbcc192ed20ef078872f80353a98a3faeadaa..8b3fddc49326c0b6019cd7082218726aa17a5727:/src/gtk/listbox.cpp

diff --git a/src/gtk/listbox.cpp b/src/gtk/listbox.cpp
index 14dd4558ae..56089bfd2c 100644
--- a/src/gtk/listbox.cpp
+++ b/src/gtk/listbox.cpp
@@ -51,10 +51,8 @@ extern bool g_isIdle;
 
 #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))
@@ -86,17 +84,17 @@ 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 );
-    
+
     delete data;
-    
+
     gdk_threads_leave();
 
     return TRUE;
@@ -221,7 +219,7 @@ 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))
     {
@@ -251,22 +249,43 @@ 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);
@@ -286,8 +305,9 @@ 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 );
 }
 
 //-----------------------------------------------------------------------------
@@ -316,6 +336,9 @@ 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 ))
@@ -351,7 +374,7 @@ bool wxListBox::Create( wxWindow *parent, wxWindowID id,
     {
         // if style was 0 set single mode
         m_windowStyle |= wxLB_SINGLE;
-        mode = GTK_SELECTION_BROWSE;
+        mode = GTK_SELECTION_MULTIPLE;
     }
 
     gtk_list_set_selection_mode( GTK_LIST(m_list), mode );
@@ -370,8 +393,6 @@ 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
@@ -388,11 +409,15 @@ 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() );
 
@@ -406,7 +431,7 @@ wxListBox::~wxListBox()
     m_hasVMT = FALSE;
 
     Clear();
-    
+
     if (m_strings)
       delete m_strings;
 }
@@ -430,24 +455,47 @@ void wxListBox::DoInsertItems(const wxArrayString& items, int pos)
     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)
+        {
+            for ( size_t n = 0; n < nItems; n++ )
+            {
+                GtkAddItem( items[n] );
+
+                m_clientList.Append((wxObject *)NULL);
+            }
+        }
+        else
         {
-            GtkAddItem( items[n], pos+n );
+            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 );
+                m_clientList.Insert( node, (wxObject *)NULL );
+            }
         }
     }
 
@@ -491,7 +539,7 @@ 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
 
@@ -508,7 +556,7 @@ 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 );
 
@@ -620,7 +668,13 @@ 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() )
     {
@@ -655,7 +709,7 @@ 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;
@@ -685,7 +739,7 @@ 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;
 
@@ -814,14 +868,19 @@ 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 n )
@@ -830,18 +889,18 @@ 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") );
 
@@ -851,7 +910,7 @@ 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;
     }
 
@@ -893,38 +952,6 @@ 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);
@@ -1007,7 +1034,30 @@ 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