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fix tool referencing, remove dropdown element in DoDeleteTool, ticket #4102

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@53913 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Paul Cornett 2008-06-01 20:02:49 +00:00
parent 2e334012b4
commit ddb57e4557
1 changed files with 20 additions and 23 deletions
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43
src/gtk/tbargtk.cpp
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@ -101,17 +101,12 @@ public:
: wxToolBarToolBase(tbar, control, label)
{
Init();
}
virtual ~wxToolBarTool()
{
if ( IsControl() && !m_item )
{
// if we're a control which is not currently attached to the
// toolbar (as indicated by NULL m_item), we must undo the extra
// reference we added in DoDeleteTool()
g_object_unref(GetControl()->m_widget);
}
// Hold a reference to keep control alive until DoInsertTool() is
// called, or if RemoveTool() is called (see DoDeleteTool)
g_object_ref(control->m_widget);
// release reference when gtk_widget_destroy() is called on control
g_signal_connect(
control->m_widget, "destroy", G_CALLBACK(g_object_unref), NULL);
}
// is this a radio button?
@ -153,6 +148,8 @@ public:
// the toolbar element for button tools or a GtkAlignment containing the
// control for control tools
GtkWidget *m_item;
// dropdown element for button tools
GtkWidget *m_itemDropdown;
// a GtkImage containing the image for a button-type tool, may be NULL
GtkWidget *m_image;
@ -359,11 +356,9 @@ size_request(GtkWidget*, GtkRequisition* req, wxToolBar* win)
//-----------------------------------------------------------------------------
static void wxInsertChildInToolBar( wxWindow* WXUNUSED(parent),
wxWindow* child)
wxWindow* /* child */)
{
// Child widget will be inserted into GtkToolbar by DoInsertTool. Ref it
// here so reparenting into wxToolBar doesn't delete it.
g_object_ref(child->m_widget);
// Child widget will be inserted into GtkToolbar by DoInsertTool()
}
// ----------------------------------------------------------------------------
@ -373,6 +368,7 @@ static void wxInsertChildInToolBar( wxWindow* WXUNUSED(parent),
void wxToolBarTool::Init()
{
m_item =
m_itemDropdown =
m_image = NULL;
}
@ -605,6 +601,7 @@ bool wxToolBar::DoInsertTool(size_t pos, wxToolBarToolBase *toolBase)
GtkWidget *image = gtk_image_new_from_pixbuf( pixbuf );
gtk_widget_show( image );
gtk_container_add( GTK_CONTAINER(dropdown), image );
g_object_unref(pixbuf);
if (GetWindowStyle() & wxTB_FLAT)
gtk_button_set_relief( GTK_BUTTON(dropdown), GTK_RELIEF_NONE );
@ -628,6 +625,7 @@ bool wxToolBar::DoInsertTool(size_t pos, wxToolBarToolBase *toolBase)
gtk_toolbar_insert_widget(m_toolbar, dropdown, NULL, NULL,
posGtk + 1);
tool->m_itemDropdown = dropdown;
}
}
break;
@ -643,9 +641,6 @@ bool wxToolBar::DoInsertTool(size_t pos, wxToolBarToolBase *toolBase)
tool->GetControl()->m_widget);
gtk_toolbar_insert_widget(m_toolbar, align, NULL, NULL, posGtk);
// release reference obtained by wxInsertChildInToolBar
g_object_unref(tool->GetControl()->m_widget);
// remember the container we're in so that we could remove
// ourselves from it when we're detached from the toolbar
tool->m_item = align;
@ -668,16 +663,18 @@ bool wxToolBar::DoDeleteTool(size_t pos, wxToolBarToolBase *toolBase)
// RemoveTool() and then we need to keep the control alive;
// while if we're called from DeleteTool() the control will
// be destroyed when wxToolBarToolBase itself is deleted
{
GtkWidget * const w = tool->GetControl()->m_widget;
g_object_ref(w);
gtk_container_remove(GTK_CONTAINER(tool->m_item), w);
}
gtk_container_remove(
GTK_CONTAINER(tool->m_item), tool->GetControl()->m_widget);
// fall through
case wxTOOL_STYLE_BUTTON:
gtk_widget_destroy( tool->m_item );
tool->m_item = NULL;
if (tool->m_itemDropdown)
{
gtk_widget_destroy(tool->m_itemDropdown);
tool->m_itemDropdown = NULL;
}
break;
case wxTOOL_STYLE_SEPARATOR: