fixed the bug with the order of 2 size events when the scrollbar[s] (dis)appear in...

[wxWidgets.git] / include / wx / generic / splitter.h

diff --git a/include/wx/generic/splitter.h b/include/wx/generic/splitter.h
index 50781e442488c5c0cad6e5cabc56908f4ec354e1..8528e2265bcb0ed052509e5aea944551125bbab3 100644 (file)
--- a/include/wx/generic/splitter.h
+++ b/include/wx/generic/splitter.h
@@ -13,27 +13,36 @@
 #define __SPLITTERH_G__
 
 #ifdef __GNUG__
 #define __SPLITTERH_G__
 
 #ifdef __GNUG__

-#pragma interface "splitter.h"
+    #pragma interface "splitter.h"

 #endif
 
 #endif
 

-#include "wx/defs.h"
-#include "wx/window.h"
-#include "wx/string.h"
+#include "wx/window.h"                      // base class declaration
+#include "wx/containr.h"                    // wxControlContainer

 
 

-#define WXSPLITTER_VERSION      1.0
+class WXDLLEXPORT wxSplitterEvent;

 
 

-#define wxSPLIT_HORIZONTAL      1
-#define wxSPLIT_VERTICAL        2
+// ---------------------------------------------------------------------------
+// splitter constants
+// ---------------------------------------------------------------------------

 
 

-#define wxSPLIT_DRAG_NONE       0
-#define wxSPLIT_DRAG_DRAGGING   1
-#define wxSPLIT_DRAG_LEFT_DOWN  2
+enum
+{
+    wxSPLIT_HORIZONTAL = 1,
+    wxSPLIT_VERTICAL
+};
+
+enum
+{
+    wxSPLIT_DRAG_NONE,
+    wxSPLIT_DRAG_DRAGGING,
+    wxSPLIT_DRAG_LEFT_DOWN
+};

 
 

-/*
- * wxSplitterWindow maintains one or two panes, with
- * an optional vertical or horizontal split which
- * can be used with the mouse or programmatically.
- */
+// ---------------------------------------------------------------------------
+// wxSplitterWindow maintains one or two panes, with
+// an optional vertical or horizontal split which
+// can be used with the mouse or programmatically.
+// ---------------------------------------------------------------------------

 
 // TODO:
 // 1) Perhaps make the borders sensitive to dragging in order to create a split.
 
 // TODO:
 // 1) Perhaps make the borders sensitive to dragging in order to create a split.


@@ -52,15 +61,29 @@ public:
 // Public API
 
     // Default constructor
 // Public API
 
     // Default constructor

-    wxSplitterWindow();
+    wxSplitterWindow()
+    {
+        Init();
+    }

 
     // Normal constructor
     wxSplitterWindow(wxWindow *parent, wxWindowID id = -1,
                      const wxPoint& pos = wxDefaultPosition,
                      const wxSize& size = wxDefaultSize,
 
     // Normal constructor
     wxSplitterWindow(wxWindow *parent, wxWindowID id = -1,
                      const wxPoint& pos = wxDefaultPosition,
                      const wxSize& size = wxDefaultSize,

-                     long style = wxSP_3D|wxCLIP_CHILDREN,
+                     long style = wxSP_3D,
+                     const wxString& name = "splitter")
+    {
+        Init();
+        Create(parent, id, pos, size, style, name);
+    }
+
+    virtual ~wxSplitterWindow();
+
+    bool Create(wxWindow *parent, wxWindowID id = -1,
+                     const wxPoint& pos = wxDefaultPosition,
+                     const wxSize& size = wxDefaultSize,
+                     long style = wxSP_3D,

                      const wxString& name = "splitter");
                      const wxString& name = "splitter");

-    ~wxSplitterWindow();

 
     // Gets the only or left/top pane
     wxWindow *GetWindow1() const { return m_windowOne; }
 
     // Gets the only or left/top pane
     wxWindow *GetWindow1() const { return m_windowOne; }


@@ -83,17 +106,21 @@ public:
     // A sashPosition of 0 means choose a default sash position,
     // negative sashPosition specifies the size of right/lower pane as it's
     // absolute value rather than the size of left/upper pane.
     // A sashPosition of 0 means choose a default sash position,
     // negative sashPosition specifies the size of right/lower pane as it's
     // absolute value rather than the size of left/upper pane.

-    bool SplitVertically(wxWindow *window1,
-                         wxWindow *window2,
-                         int sashPosition = 0);
-    bool SplitHorizontally(wxWindow *window1,
-                           wxWindow *window2,
-                           int sashPosition = 0);
+    virtual bool SplitVertically(wxWindow *window1,
+                                 wxWindow *window2,
+                                 int sashPosition = 0);
+    virtual bool SplitHorizontally(wxWindow *window1,
+                                   wxWindow *window2,
+                                   int sashPosition = 0);

 
     // Removes the specified (or second) window from the view
     // Doesn't actually delete the window.
     bool Unsplit(wxWindow *toRemove = (wxWindow *) NULL);
 
 
     // Removes the specified (or second) window from the view
     // Doesn't actually delete the window.
     bool Unsplit(wxWindow *toRemove = (wxWindow *) NULL);
 

+    // Replaces one of the windows with another one (neither old nor new
+    // parameter should be NULL)
+    bool ReplaceWindow(wxWindow *winOld, wxWindow *winNew);
+

     // Is the window split?
     bool IsSplit() const { return (m_windowTwo != NULL); }
 
     // Is the window split?
     bool IsSplit() const { return (m_windowTwo != NULL); }
 


@@ -110,7 +137,7 @@ public:
     int GetBorderSize() const { return m_borderSize; }
 
     // Set the sash position
     int GetBorderSize() const { return m_borderSize; }
 
     // Set the sash position

-    void SetSashPosition(int position, bool redaw = TRUE);
+    void SetSashPosition(int position, bool redraw = TRUE);

 
     // Gets the sash position
     int GetSashPosition() const { return m_sashPosition; }
 
     // Gets the sash position
     int GetSashPosition() const { return m_sashPosition; }


@@ -121,18 +148,20 @@ public:
 
     // Called when the sash position is about to be changed, return
     // FALSE from here to prevent the change from taking place.
 
     // Called when the sash position is about to be changed, return
     // FALSE from here to prevent the change from taking place.

+    // Repositions sash to minimum position if pane would be too small.

     // newSashPosition here is always positive or zero.
     // newSashPosition here is always positive or zero.

-    virtual bool OnSashPositionChange(int newSashPosition);
+    virtual bool OnSashPositionChange(int WXUNUSED(newSashPosition))
+        { return TRUE; }

 
     // If the sash is moved to an extreme position, a subwindow
     // is removed from the splitter window, and the app is
     // notified. The app should delete or hide the window.
 
     // If the sash is moved to an extreme position, a subwindow
     // is removed from the splitter window, and the app is
     // notified. The app should delete or hide the window.

-    virtual void OnUnsplit(wxWindow *removed) { removed->Show(FALSE); }
+    virtual void OnUnsplit(wxWindow *WXUNUSED(removed)) { }

 
     // Called when the sash is double-clicked.
     // The default behaviour is to remove the sash if the
     // minimum pane size is zero.
 
     // Called when the sash is double-clicked.
     // The default behaviour is to remove the sash if the
     // minimum pane size is zero.

-    virtual void OnDoubleClickSash(int x, int y);
+    virtual void OnDoubleClickSash(int WXUNUSED(x), int WXUNUSED(y)) { }

 
 ////////////////////////////////////////////////////////////////////////////
 // Implementation
 
 ////////////////////////////////////////////////////////////////////////////
 // Implementation


@@ -146,26 +175,47 @@ public:
     // Adjusts the panes
     void OnSize(wxSizeEvent& event);
 
     // Adjusts the panes
     void OnSize(wxSizeEvent& event);
 

+    // In live mode, resize child windows in idle time
+    void OnIdle(wxIdleEvent& event);
+

     // Draws borders
     // Draws borders

-    void DrawBorders(wxDC& dc);
+    virtual void DrawBorders(wxDC& dc);

 
     // Draws the sash
 
     // Draws the sash

-    void DrawSash(wxDC& dc);
+    virtual void DrawSash(wxDC& dc);

 
     // Draws the sash tracker (for whilst moving the sash)
 
     // Draws the sash tracker (for whilst moving the sash)

-    void DrawSashTracker(int x, int y);
+    virtual void DrawSashTracker(int x, int y);

 
     // Tests for x, y over sash
 
     // Tests for x, y over sash

-    bool SashHitTest(int x, int y, int tolerance = 2);
+    virtual bool SashHitTest(int x, int y, int tolerance = 2);

 
     // Resizes subwindows
 
     // Resizes subwindows

-    void SizeWindows();
+    virtual void SizeWindows();

 
     // Initialize colours
     void InitColours();
 
 
     // Initialize colours
     void InitColours();
 

+    void SetNeedUpdating(bool needUpdating) { m_needUpdating = needUpdating; }
+    bool GetNeedUpdating() const { return m_needUpdating ; }
+

 protected:
 protected:

+    // our event handlers
+    void OnSashPosChanged(wxSplitterEvent& event);
+    void OnSashPosChanging(wxSplitterEvent& event);
+    void OnDoubleClick(wxSplitterEvent& event);
+    void OnUnsplitEvent(wxSplitterEvent& event);
+    void OnSetCursor(wxSetCursorEvent& event);
+
+    void SendUnsplitEvent(wxWindow *winRemoved);
+
+protected:
+    // common part of all ctors
+    void Init();
+

     int         m_splitMode;
     int         m_splitMode;

+    bool        m_permitUnsplitAlways;
+    bool        m_needUpdating; // when in live mode, set this to TRUE to resize children in idle

     wxWindow*   m_windowOne;
     wxWindow*   m_windowTwo;
     int         m_dragMode;
     wxWindow*   m_windowOne;
     wxWindow*   m_windowTwo;
     int         m_dragMode;


@@ -188,8 +238,127 @@ protected:
     wxPen*      m_facePen;
 
 private:
     wxPen*      m_facePen;
 
 private:

+    WX_DECLARE_CONTROL_CONTAINER();
+

     DECLARE_DYNAMIC_CLASS(wxSplitterWindow)
     DECLARE_EVENT_TABLE()
 };
 
     DECLARE_DYNAMIC_CLASS(wxSplitterWindow)
     DECLARE_EVENT_TABLE()
 };
 

+// ----------------------------------------------------------------------------
+// event class and macros
+// ----------------------------------------------------------------------------
+
+// we reuse the same class for all splitter event types because this is the
+// usual wxWin convention, but the three event types have different kind of
+// data associated with them, so the accessors can be only used if the real
+// event type matches with the one for which the accessors make sense
+class WXDLLEXPORT wxSplitterEvent : public wxCommandEvent
+{
+public:
+    wxSplitterEvent(wxEventType type = wxEVT_NULL,
+                    wxSplitterWindow *splitter = (wxSplitterWindow *)NULL)
+        : wxCommandEvent(type)
+    {
+        SetEventObject(splitter);
+        if (splitter) m_id = splitter->GetId();
+    }
+
+    // SASH_POS_CHANGED methods
+
+    // setting the sash position to -1 prevents the change from taking place at
+    // all
+    void SetSashPosition(int pos)
+    {
+        wxASSERT( GetEventType() == wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGED
+                || GetEventType() == wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGING);
+
+        m_data.pos = pos;
+    }
+
+    int GetSashPosition() const
+    {
+        wxASSERT( GetEventType() == wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGED
+                || GetEventType() == wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGING);
+
+        return m_data.pos;
+    }
+
+    // UNSPLIT event methods
+    wxWindow *GetWindowBeingRemoved() const
+    {
+        wxASSERT( GetEventType() == wxEVT_COMMAND_SPLITTER_UNSPLIT );
+
+        return m_data.win;
+    }
+
+    // DCLICK event methods
+    int GetX() const
+    {
+        wxASSERT( GetEventType() == wxEVT_COMMAND_SPLITTER_DOUBLECLICKED );
+
+        return m_data.pt.x;
+    }
+
+    int GetY() const
+    {
+        wxASSERT( GetEventType() == wxEVT_COMMAND_SPLITTER_DOUBLECLICKED );
+
+        return m_data.pt.y;
+    }
+
+private:
+    friend class WXDLLEXPORT wxSplitterWindow;
+
+    // data for the different types of event
+    union
+    {
+        int pos;            // position for SASH_POS_CHANGED event
+        wxWindow *win;      // window being removed for UNSPLIT event
+        struct
+        {
+            int x, y;
+        } pt;               // position of double click for DCLICK event
+    } m_data;
+
+    DECLARE_DYNAMIC_CLASS(wxSplitterEvent)
+};
+
+typedef void (wxEvtHandler::*wxSplitterEventFunction)(wxSplitterEvent&);
+
+#define EVT_SPLITTER_SASH_POS_CHANGED(id, fn)                               \
+  DECLARE_EVENT_TABLE_ENTRY(                                                \
+    wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGED,                                \
+    id,                                                                     \
+    -1,                                                                     \
+    (wxObjectEventFunction)(wxEventFunction)(wxSplitterEventFunction) &fn,  \
+    NULL                                                                    \
+  ),
+
+#define EVT_SPLITTER_SASH_POS_CHANGING(id, fn)                              \
+  DECLARE_EVENT_TABLE_ENTRY(                                                \
+    wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGING,                               \
+    id,                                                                     \
+    -1,                                                                     \
+    (wxObjectEventFunction)(wxEventFunction)(wxSplitterEventFunction) &fn,  \
+    NULL                                                                    \
+  ),
+
+#define EVT_SPLITTER_DCLICK(id, fn)                                         \
+  DECLARE_EVENT_TABLE_ENTRY(                                                \
+    wxEVT_COMMAND_SPLITTER_DOUBLECLICKED,                                   \
+    id,                                                                     \
+    -1,                                                                     \
+    (wxObjectEventFunction)(wxEventFunction)(wxSplitterEventFunction) &fn,  \
+    NULL                                                                    \
+  ),
+
+#define EVT_SPLITTER_UNSPLIT(id, fn)                                        \
+  DECLARE_EVENT_TABLE_ENTRY(                                                \
+    wxEVT_COMMAND_SPLITTER_UNSPLIT,                                         \
+    id,                                                                     \
+    -1,                                                                     \
+    (wxObjectEventFunction)(wxEventFunction)(wxSplitterEventFunction) &fn,  \
+    NULL                                                                    \
+  ),
+

 #endif // __SPLITTERH_G__
 #endif // __SPLITTERH_G__