Support using GetTextExtent() with empty string to get descent in wxOSX.

[wxWidgets.git] / include / wx / tbarbase.h

diff --git a/include/wx/tbarbase.h b/include/wx/tbarbase.h
index ba6a73e489f68446c8942da93e35d56d8f103817..709b7c53ea36be1013dd233f6caade8e787c7855 100644 (file)
--- a/include/wx/tbarbase.h
+++ b/include/wx/tbarbase.h
@@ -60,6 +60,7 @@ public:
     // ctors & dtor
     // ------------
 
     // ctors & dtor
     // ------------
 

+    // generic ctor for any kind of tool

     wxToolBarToolBase(wxToolBarBase *tbar = NULL,
                       int toolid = wxID_SEPARATOR,
                       const wxString& label = wxEmptyString,
     wxToolBarToolBase(wxToolBarBase *tbar = NULL,
                       int toolid = wxID_SEPARATOR,
                       const wxString& label = wxEmptyString,


@@ -71,44 +72,33 @@ public:
                       const wxString& longHelpString = wxEmptyString)
         : m_label(label),
           m_shortHelpString(shortHelpString),
                       const wxString& longHelpString = wxEmptyString)
         : m_label(label),
           m_shortHelpString(shortHelpString),

-          m_longHelpString(longHelpString),
-          m_dropdownMenu(NULL)
+          m_longHelpString(longHelpString)

     {
     {

-        m_tbar = tbar;
-        m_id = toolid;
-        if (m_id == wxID_ANY)
-            m_id = wxWindow::NewControlId();
+        Init
+        (
+            tbar,
+            toolid == wxID_SEPARATOR ? wxTOOL_STYLE_SEPARATOR
+                                     : wxTOOL_STYLE_BUTTON,
+            toolid == wxID_ANY ? wxWindow::NewControlId()
+                               : toolid,
+            kind
+        );
+

         m_clientData = clientData;
 
         m_bmpNormal = bmpNormal;
         m_bmpDisabled = bmpDisabled;
         m_clientData = clientData;
 
         m_bmpNormal = bmpNormal;
         m_bmpDisabled = bmpDisabled;

-
-        m_kind = kind;
-
-        m_enabled = true;
-        m_toggled = false;
-
-        m_toolStyle = toolid == wxID_SEPARATOR ? wxTOOL_STYLE_SEPARATOR
-                                           : wxTOOL_STYLE_BUTTON;

     }
 
     }
 

+    // ctor for controls only

     wxToolBarToolBase(wxToolBarBase *tbar,
                       wxControl *control,
                       const wxString& label)
         : m_label(label)
     {
     wxToolBarToolBase(wxToolBarBase *tbar,
                       wxControl *control,
                       const wxString& label)
         : m_label(label)
     {

-        m_tbar = tbar;
-        m_control = control;
-        m_id = control->GetId();
-
-        m_kind = wxITEM_MAX;    // invalid value
-
-        m_enabled = true;
-        m_toggled = false;
-
-        m_toolStyle = wxTOOL_STYLE_CONTROL;
+        Init(tbar, wxTOOL_STYLE_CONTROL, control->GetId(), wxITEM_MAX);

 
 

-        m_dropdownMenu = 0;
+        m_control = control;

     }
 
     virtual ~wxToolBarToolBase();
     }
 
     virtual ~wxToolBarToolBase();


@@ -128,10 +118,12 @@ public:
 
     wxToolBarBase *GetToolBar() const { return m_tbar; }
 
 
     wxToolBarBase *GetToolBar() const { return m_tbar; }
 

-    // style
+    // style/kind
+    bool IsStretchable() const { return m_stretchable; }

     bool IsButton() const { return m_toolStyle == wxTOOL_STYLE_BUTTON; }
     bool IsControl() const { return m_toolStyle == wxTOOL_STYLE_CONTROL; }
     bool IsSeparator() const { return m_toolStyle == wxTOOL_STYLE_SEPARATOR; }
     bool IsButton() const { return m_toolStyle == wxTOOL_STYLE_BUTTON; }
     bool IsControl() const { return m_toolStyle == wxTOOL_STYLE_CONTROL; }
     bool IsSeparator() const { return m_toolStyle == wxTOOL_STYLE_SEPARATOR; }

+    bool IsStretchableSpace() const { return IsSeparator() && IsStretchable(); }

     int GetStyle() const { return m_toolStyle; }
     wxItemKind GetKind() const
     {
     int GetStyle() const { return m_toolStyle; }
     wxItemKind GetKind() const
     {


@@ -140,6 +132,13 @@ public:
         return m_kind;
     }
 
         return m_kind;
     }
 

+    void MakeStretchable()
+    {
+        wxASSERT_MSG( IsSeparator(), "only separators can be stretchable" );
+
+        m_stretchable = true;
+    }
+

     // state
     bool IsEnabled() const { return m_enabled; }
     bool IsToggled() const { return m_toggled; }
     // state
     bool IsEnabled() const { return m_enabled; }
     bool IsToggled() const { return m_toggled; }


@@ -200,16 +199,41 @@ public:
     virtual void Detach() { m_tbar = NULL; }
     virtual void Attach(wxToolBarBase *tbar) { m_tbar = tbar; }
 
     virtual void Detach() { m_tbar = NULL; }
     virtual void Attach(wxToolBarBase *tbar) { m_tbar = tbar; }
 

+#if wxUSE_MENUS

     // these methods are only for tools of wxITEM_DROPDOWN kind (but even such
     // tools can have a NULL associated menu)
     virtual void SetDropdownMenu(wxMenu *menu);
     wxMenu *GetDropdownMenu() const { return m_dropdownMenu; }
     // these methods are only for tools of wxITEM_DROPDOWN kind (but even such
     // tools can have a NULL associated menu)
     virtual void SetDropdownMenu(wxMenu *menu);
     wxMenu *GetDropdownMenu() const { return m_dropdownMenu; }

+#endif

 
 protected:
 
 protected:

+    // common part of all ctors
+    void Init(wxToolBarBase *tbar,
+              wxToolBarToolStyle style,
+              int toolid,
+              wxItemKind kind)
+    {
+        m_tbar = tbar;
+        m_toolStyle = style;
+        m_id = toolid;
+        m_kind = kind;
+
+        m_clientData = NULL;
+
+        m_stretchable = false;
+        m_toggled = false;
+        m_enabled = true;
+
+#if wxUSE_MENUS
+        m_dropdownMenu = NULL;
+#endif
+
+    }
+

     wxToolBarBase *m_tbar;  // the toolbar to which we belong (may be NULL)
 
     // tool parameters
     wxToolBarBase *m_tbar;  // the toolbar to which we belong (may be NULL)
 
     // tool parameters

-    int m_toolStyle;    // see enum wxToolBarToolStyle
+    wxToolBarToolStyle m_toolStyle;

     wxWindowIDRef m_id; // the tool id, wxID_SEPARATOR for separator
     wxItemKind m_kind;  // for normal buttons may be wxITEM_NORMAL/CHECK/RADIO
 
     wxWindowIDRef m_id; // the tool id, wxID_SEPARATOR for separator
     wxItemKind m_kind;  // for normal buttons may be wxITEM_NORMAL/CHECK/RADIO
 


@@ -220,6 +244,9 @@ protected:
         wxControl        *m_control;
     };
 
         wxControl        *m_control;
     };
 

+    // true if this tool is stretchable: currently is only value for separators
+    bool m_stretchable;
+

     // tool state
     bool m_toggled;
     bool m_enabled;
     // tool state
     bool m_toggled;
     bool m_enabled;


@@ -235,7 +262,9 @@ protected:
     wxString m_shortHelpString;
     wxString m_longHelpString;
 
     wxString m_shortHelpString;
     wxString m_longHelpString;
 

+#if wxUSE_MENUS

     wxMenu *m_dropdownMenu;
     wxMenu *m_dropdownMenu;

+#endif

 
     DECLARE_DYNAMIC_CLASS_NO_COPY(wxToolBarToolBase)
 };
 
     DECLARE_DYNAMIC_CLASS_NO_COPY(wxToolBarToolBase)
 };


@@ -348,6 +377,12 @@ public:
     virtual wxToolBarToolBase *AddSeparator();
     virtual wxToolBarToolBase *InsertSeparator(size_t pos);
 
     virtual wxToolBarToolBase *AddSeparator();
     virtual wxToolBarToolBase *InsertSeparator(size_t pos);
 

+    // add a stretchable space to the toolbar: this is similar to a separator
+    // except that it's always blank and that all the extra space the toolbar
+    // has is [equally] distributed among the stretchable spaces in it
+    virtual wxToolBarToolBase *AddStretchableSpace();
+    virtual wxToolBarToolBase *InsertStretchableSpace(size_t pos);
+

     // remove the tool from the toolbar: the caller is responsible for actually
     // deleting the pointer
     virtual wxToolBarToolBase *RemoveTool(int toolid);
     // remove the tool from the toolbar: the caller is responsible for actually
     // deleting the pointer
     virtual wxToolBarToolBase *RemoveTool(int toolid);


@@ -438,7 +473,7 @@ public:
         { return GetToolBitmapSize(); }
 
     // returns a (non separator) tool containing the point (x, y) or NULL if
         { return GetToolBitmapSize(); }
 
     // returns a (non separator) tool containing the point (x, y) or NULL if

-    // there is no tool at this point (corrdinates are client)
+    // there is no tool at this point (coordinates are client)

     virtual wxToolBarToolBase *FindToolForPosition(wxCoord x,
                                                    wxCoord y) const = 0;
 
     virtual wxToolBarToolBase *FindToolForPosition(wxCoord x,
                                                    wxCoord y) const = 0;
 


@@ -448,6 +483,10 @@ public:
     // return true if this is a vertical toolbar, otherwise false
     bool IsVertical() const;
 
     // return true if this is a vertical toolbar, otherwise false
     bool IsVertical() const;
 

+    // these methods allow to access tools by their index in the toolbar
+    size_t GetToolsCount() const { return m_tools.GetCount(); }
+    const wxToolBarToolBase *GetToolByPos(int pos) const { return m_tools[pos]; }
+

 #if WXWIN_COMPATIBILITY_2_8
     // the old versions of the various methods kept for compatibility
     // don't use in the new code!
 #if WXWIN_COMPATIBILITY_2_8
     // the old versions of the various methods kept for compatibility
     // don't use in the new code!


@@ -528,21 +567,51 @@ public:
     // use GetToolMargins() instead
     wxSize GetMargins() const { return GetToolMargins(); }
 
     // use GetToolMargins() instead
     wxSize GetMargins() const { return GetToolMargins(); }
 

+    // Tool factories,
+    // helper functions to create toolbar tools
+    // -------------------------
+    virtual wxToolBarToolBase *CreateTool(int toolid,
+                                          const wxString& label,
+                                          const wxBitmap& bmpNormal,
+                                          const wxBitmap& bmpDisabled = wxNullBitmap,
+                                          wxItemKind kind = wxITEM_NORMAL,
+                                          wxObject *clientData = NULL,
+                                          const wxString& shortHelp = wxEmptyString,
+                                          const wxString& longHelp = wxEmptyString) = 0;
+
+    virtual wxToolBarToolBase *CreateTool(wxControl *control,
+                                          const wxString& label) = 0;
+
+    // this one is not virtual but just a simple helper/wrapper around
+    // CreateTool() for separators
+    wxToolBarToolBase *CreateSeparator()
+    {
+        return CreateTool(wxID_SEPARATOR,
+                          wxEmptyString,
+                          wxNullBitmap, wxNullBitmap,
+                          wxITEM_SEPARATOR, NULL,
+                          wxEmptyString, wxEmptyString);
+    }
+
+    

     // implementation only from now on
     // -------------------------------
 
     // implementation only from now on
     // -------------------------------
 

-    size_t GetToolsCount() const { return m_tools.GetCount(); }
-

     // Do the toolbar button updates (check for EVT_UPDATE_UI handlers)
     virtual void UpdateWindowUI(long flags = wxUPDATE_UI_NONE) ;
 
     // don't want toolbars to accept the focus
     virtual bool AcceptsFocus() const { return false; }
 
     // Do the toolbar button updates (check for EVT_UPDATE_UI handlers)
     virtual void UpdateWindowUI(long flags = wxUPDATE_UI_NONE) ;
 
     // don't want toolbars to accept the focus
     virtual bool AcceptsFocus() const { return false; }
 

+#if wxUSE_MENUS

     // Set dropdown menu
     bool SetDropdownMenu(int toolid, wxMenu *menu);
     // Set dropdown menu
     bool SetDropdownMenu(int toolid, wxMenu *menu);

+#endif

 
 protected:
 
 protected:

+    // choose the default border for this window
+    virtual wxBorder GetDefaultBorder() const { return wxBORDER_NONE; }
+

     // to implement in derived classes
     // -------------------------------
 
     // to implement in derived classes
     // -------------------------------
 


@@ -579,18 +648,6 @@ protected:
     // called when the tools "can be toggled" flag changes
     virtual void DoSetToggle(wxToolBarToolBase *tool, bool toggle) = 0;
 
     // called when the tools "can be toggled" flag changes
     virtual void DoSetToggle(wxToolBarToolBase *tool, bool toggle) = 0;
 

-    // the functions to create toolbar tools
-    virtual wxToolBarToolBase *CreateTool(int toolid,
-                                          const wxString& label,
-                                          const wxBitmap& bmpNormal,
-                                          const wxBitmap& bmpDisabled,
-                                          wxItemKind kind,
-                                          wxObject *clientData,
-                                          const wxString& shortHelp,
-                                          const wxString& longHelp) = 0;
-
-    virtual wxToolBarToolBase *CreateTool(wxControl *control,
-                                          const wxString& label) = 0;

 
     // helper functions
     // ----------------
 
     // helper functions
     // ----------------