initial draft of wxCollapsiblePane (patch 1577412 by Francesco)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@42259 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/generic/collpaneg.h

@@ -0,0 +1,115 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wx/generic/collpaneg.h
+// Purpose:     wxGenericCollapsiblePane
+// Author:      Francesco Montorsi
+// Modified by:
+// Created:     8/10/2006
+// RCS-ID:      $Id$
+// Copyright:   (c) Francesco Montorsi
+// Licence:     wxWindows Licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_COLLAPSABLE_PANE_H_GENERIC_
+#define _WX_COLLAPSABLE_PANE_H_GENERIC_
+
+#include "wx/button.h"
+
+
+// the ID of the wxButton used to collapse/expand the panel
+#define wxCP_BUTTON_ID      12356
+
+// the number of pixels to leave between the button and the static line and
+// between the button and the pane
+#define wxCP_MARGIN         10
+
+// forward declared
+class WXDLLEXPORT wxStaticLine;
+
+// class name
+extern WXDLLEXPORT_DATA(const wxChar) wxGenericCollapsiblePaneNameStr[];
+
+
+
+// ----------------------------------------------------------------------------
+// wxGenericCollapsiblePane
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxGenericCollapsiblePane : public wxCollapsiblePaneBase
+{
+public:
+    wxGenericCollapsiblePane() { Init(); }
+
+    wxGenericCollapsiblePane(wxWindow *parent,
+                        wxWindowID winid,
+                        const wxString& label,
+                        const wxPoint& pos = wxDefaultPosition,
+                        const wxSize& size = wxDefaultSize,
+                        long style = wxTAB_TRAVERSAL | wxNO_BORDER,
+                        const wxValidator& val = wxDefaultValidator,
+                        const wxString& name = wxGenericCollapsiblePaneNameStr)
+    {
+        Init();
+
+        Create(parent, winid, label, pos, size, style, val, name);
+    }
+
+    void Init()
+    {
+        m_pButton = NULL;
+        m_pStatLine = NULL;
+        m_pPane = NULL;
+    }
+
+    bool Create(wxWindow *parent,
+                wxWindowID winid,
+                const wxString& label,
+                const wxPoint& pos = wxDefaultPosition,
+                const wxSize& size = wxDefaultSize,
+                long style = wxTAB_TRAVERSAL | wxNO_BORDER,
+                const wxValidator& val = wxDefaultValidator,
+                const wxString& name = wxGenericCollapsiblePaneNameStr);
+
+
+public:     // public API
+
+    void Collapse(bool collapse = true);
+    void SetLabel(const wxString &label);
+
+    bool IsCollapsed() const
+        { return m_pPane==NULL || !m_pPane->IsShown(); }
+    wxWindow *GetPane() const
+        { return m_pPane; }
+    wxString GetLabel() const
+        { return m_strLabel; }
+
+    wxWindow *GetTopLevelParent();
+
+public:         // event handlers
+
+    void OnButton(wxCommandEvent &ev);
+    void OnSize(wxSizeEvent &ev);
+
+protected:      // internal utils
+
+    void LayoutChildren();
+
+    wxString GetBtnLabel() const;
+    virtual wxSize DoGetBestSize() const;
+
+protected:
+
+    wxButton *m_pButton;
+    wxStaticLine *m_pStatLine;
+    wxWindow *m_pPane;
+
+    // the button label without ">>" or "<<"
+    wxString m_strLabel;
+
+private:
+    DECLARE_DYNAMIC_CLASS(wxGenericCollapsiblePane)
+    DECLARE_EVENT_TABLE()
+};
+
+
+#endif
+    // _WX_COLLAPSABLE_PANE_H_GENERIC_