Added gizmos hierarchy

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@8116 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

contrib/include/wx/gizmos/splittree.h

@@ -0,0 +1,178 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        splittree.h
+// Purpose:     Classes to achieve a remotely-scrolled tree in a splitter
+//              window that can be scrolled by a scrolled window higher in the
+//              hierarchy
+// Author:      Julian Smart
+// Modified by:
+// Created:     8/7/2000
+// RCS-ID:      $Id$
+// Copyright:   (c) Julian Smart
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_SPLITTREE_H_
+#define _WX_SPLITTREE_H_
+
+#ifdef __GNUG__
+	#pragma interface "splittree.h"
+#endif
+
+// Set this to 1 to use generic tree control (doesn't yet work properly)
+#define USE_GENERIC_TREECTRL 0
+
+#include "wx/wx.h"
+#include "wx/treectrl.h"
+#include "wx/splitter.h"
+#include "wx/scrolwin.h"
+
+#if USE_GENERIC_TREECTRL
+#include "wx/generic/treectlg.h"
+#ifndef wxTreeCtrl
+#define wxTreeCtrl wxGenericTreeCtrl
+#define sm_classwxTreeCtrl sm_classwxGenericTreeCtrl
+#endif
+#endif
+
+class wxRemotelyScrolledTreeCtrl;
+class wxThinSplitterWindow;
+class wxSplitterScrolledWindow;
+
+/*
+ * wxRemotelyScrolledTreeCtrl
+ *
+ * This tree control disables its vertical scrollbar and catches scroll
+ * events passed by a scrolled window higher in the hierarchy.
+ * It also updates the scrolled window vertical scrollbar as appropriate.
+ */
+
+class wxRemotelyScrolledTreeCtrl: public wxTreeCtrl
+{
+	DECLARE_CLASS(wxRemotelyScrolledTreeCtrl)
+public:
+    wxRemotelyScrolledTreeCtrl(wxWindow* parent, wxWindowID id, const wxPoint& pt = wxDefaultPosition,
+        const wxSize& sz = wxDefaultSize, long style = wxTR_HAS_BUTTONS);
+	~wxRemotelyScrolledTreeCtrl();
+
+//// Events
+	void OnSize(wxSizeEvent& event);
+	void OnPaint(wxPaintEvent& event);
+	void OnExpand(wxTreeEvent& event);
+    void OnScroll(wxScrollWinEvent& event);
+
+//// Overrides
+    // Override this in case we're using the generic tree control.
+    // Calls to this should disable the vertical scrollbar.
+
+    // Number of pixels per user unit (0 or -1 for no scrollbar)
+    // Length of virtual canvas in user units
+    // Length of page in user units
+    virtual void SetScrollbars(int pixelsPerUnitX, int pixelsPerUnitY,
+                             int noUnitsX, int noUnitsY,
+                             int xPos = 0, int yPos = 0,
+                             bool noRefresh = FALSE );
+
+    // In case we're using the generic tree control.
+    // Get the view start
+    virtual void GetViewStart(int *x, int *y) const;
+
+    // In case we're using the generic tree control.
+    virtual void PrepareDC(wxDC& dc);
+
+//// Helpers
+	void HideVScrollbar();
+
+	// Calculate the tree overall size so we can set the scrollbar
+	// correctly
+	void CalcTreeSize(wxRect& rect);
+	void CalcTreeSize(wxTreeItemId& id, wxRect& rect);
+
+	// Adjust the containing wxScrolledWindow's scrollbars appropriately
+	void AdjustRemoteScrollbars();
+
+	// Find the scrolled window that contains this control
+	wxScrolledWindow* GetScrolledWindow() const;
+
+    // Scroll to the given line (in scroll units where each unit is
+    // the height of an item)
+    void ScrollToLine(int posHoriz, int posVert);
+
+    DECLARE_EVENT_TABLE()
+protected:
+};
+
+/*
+ * wxThinSplitterWindow
+ *
+ * Implements a splitter with a less obvious sash
+ * than the usual one.
+ */
+
+class wxThinSplitterWindow: public wxSplitterWindow
+{
+public:
+    DECLARE_DYNAMIC_CLASS(wxThinSplitterWindow)
+
+    wxThinSplitterWindow(wxWindow* parent, wxWindowID id = -1,
+      const wxPoint& pos = wxDefaultPosition,
+      const wxSize& sz = wxDefaultSize,
+      long style = wxSP_3D | wxCLIP_CHILDREN);
+
+//// Overrides
+
+    void SizeWindows();
+    // Tests for x, y over sash. Overriding this allows us to increase
+    // the tolerance.
+    bool SashHitTest(int x, int y, int tolerance = 2);
+	void DrawSash(wxDC& dc);
+
+//// Events
+    
+    void OnSize(wxSizeEvent& event);
+
+//// Operations
+
+//// Accessors
+
+//// Data members
+protected:
+    DECLARE_EVENT_TABLE()
+};
+
+/*
+ * wxSplitterScrolledWindow
+ *
+ * This scrolled window is aware of the fact that one of its
+ * children is a splitter window. It passes on its scroll events
+ * (after some processing) to both splitter children for them
+ * scroll appropriately.
+ */
+
+class wxSplitterScrolledWindow: public wxScrolledWindow
+{
+public:
+    DECLARE_DYNAMIC_CLASS(wxSplitterScrolledWindow)
+
+    wxSplitterScrolledWindow(wxWindow* parent, wxWindowID id = -1,
+      const wxPoint& pos = wxDefaultPosition,
+      const wxSize& sz = wxDefaultSize,
+      long style = 0);
+
+//// Overrides
+
+//// Events
+    
+    void OnScroll(wxScrollWinEvent& event);
+    void OnSize(wxSizeEvent& event);
+
+//// Operations
+
+//// Accessors
+
+//// Data members
+public:
+    DECLARE_EVENT_TABLE()
+};
+
+#endif
+        // _SPLITTREE_H_