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

[wxWidgets.git] / include / wx / html / helpfrm.h

diff --git a/include/wx/html/helpfrm.h b/include/wx/html/helpfrm.h
index fa3c26e6097b84877feaf3062866e8f8b84c50af..bac1a1a778ebc05d4c340db9075260ce53e8f31b 100644 (file)
--- a/include/wx/html/helpfrm.h
+++ b/include/wx/html/helpfrm.h
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        helpfrm.h
+// Name:        wx/html/helpfrm.h
 // Purpose:     wxHtmlHelpFrame
 // Notes:       Based on htmlhelp.cpp, implementing a monolithic
 //              HTML Help controller class,  by Vaclav Slavik
@@ -32,10 +32,10 @@
 #include "wx/html/helpwnd.h"
 #include "wx/html/htmprint.h"
 
-class WXDLLIMPEXP_CORE wxButton;
-class WXDLLIMPEXP_CORE wxTextCtrl;
-class WXDLLIMPEXP_CORE wxTreeEvent;
-class WXDLLIMPEXP_CORE wxTreeCtrl;
+class WXDLLIMPEXP_FWD_CORE wxButton;
+class WXDLLIMPEXP_FWD_CORE wxTextCtrl;
+class WXDLLIMPEXP_FWD_CORE wxTreeEvent;
+class WXDLLIMPEXP_FWD_CORE wxTreeCtrl;
 
 
 // style flags for the Help Frame
@@ -62,9 +62,9 @@ class WXDLLIMPEXP_CORE wxTreeCtrl;
 struct wxHtmlHelpMergedIndexItem;
 class wxHtmlHelpMergedIndex;
 
-class WXDLLIMPEXP_CORE wxHelpControllerBase;
-class WXDLLIMPEXP_HTML wxHtmlHelpController;
-class WXDLLIMPEXP_CORE wxHtmlHelpWindow;
+class WXDLLIMPEXP_FWD_CORE wxHelpControllerBase;
+class WXDLLIMPEXP_FWD_HTML wxHtmlHelpController;
+class WXDLLIMPEXP_FWD_HTML wxHtmlHelpWindow;
 
 class WXDLLIMPEXP_HTML wxHtmlHelpFrame : public wxFrame
 {
@@ -74,10 +74,18 @@ public:
     wxHtmlHelpFrame(wxHtmlHelpData* data = NULL) { Init(data); }
     wxHtmlHelpFrame(wxWindow* parent, wxWindowID wxWindowID,
                     const wxString& title = wxEmptyString,
-                    int style = wxHF_DEFAULT_STYLE, wxHtmlHelpData* data = NULL);
+                    int style = wxHF_DEFAULT_STYLE, wxHtmlHelpData* data = NULL
+#if wxUSE_CONFIG
+                    , wxConfigBase *config=NULL, const wxString& rootpath = wxEmptyString
+#endif // wxUSE_CONFIG
+                    );
     bool Create(wxWindow* parent, wxWindowID id, const wxString& title = wxEmptyString,
-                int style = wxHF_DEFAULT_STYLE);
-    ~wxHtmlHelpFrame();
+                int style = wxHF_DEFAULT_STYLE
+#if wxUSE_CONFIG
+                , wxConfigBase *config=NULL, const wxString& rootpath = wxEmptyString
+#endif // wxUSE_CONFIG
+                );
+    virtual ~wxHtmlHelpFrame();
 
     /// Returns the data associated with the window.
     wxHtmlHelpData* GetData() { return m_Data; }
@@ -86,7 +94,7 @@ public:
     wxHtmlHelpController* GetController() const { return m_helpController; }
 
     /// Sets the help controller associated with the window.
-    void SetController(wxHtmlHelpController* controller) { m_helpController = controller; }
+    void SetController(wxHtmlHelpController* controller);
 
     /// Returns the help window.
     wxHtmlHelpWindow* GetHelpWindow() const { return m_HtmlHelpWin; }
@@ -95,21 +103,25 @@ public:
     // (for title of displayed HTML page)
     void SetTitleFormat(const wxString& format);
 
+#if wxUSE_CONFIG
     // For compatibility
     void UseConfig(wxConfigBase *config, const wxString& rootpath = wxEmptyString);
+#endif // wxUSE_CONFIG
 
     // Make the help controller's frame 'modal' if
     // needed
     void AddGrabIfNeeded();
 
     // Override to add custom buttons to the toolbar
-    virtual void AddToolbarButtons(wxToolBar* WXUNUSED(toolBar), int WXUNUSED(style)) {};
+    virtual void AddToolbarButtons(wxToolBar* WXUNUSED(toolBar), int WXUNUSED(style)) {}
+
+    void SetShouldPreventAppExit(bool enable);
 
-protected:
     // we don't want to prevent the app from closing just because a help window
     // remains opened
-    virtual bool ShouldPreventAppExit() const { return false; }
+    virtual bool ShouldPreventAppExit() const { return m_shouldPreventAppExit; }
 
+protected:
     void Init(wxHtmlHelpData* data = NULL);
 
     void OnCloseWindow(wxCloseEvent& event);
@@ -133,11 +145,12 @@ protected:
     wxString m_TitleFormat;  // title of the help frame
     wxHtmlHelpWindow *m_HtmlHelpWin;
     wxHtmlHelpController* m_helpController;
+    bool m_shouldPreventAppExit;
 
 private:
 
     DECLARE_EVENT_TABLE()
-    DECLARE_NO_COPY_CLASS(wxHtmlHelpFrame)
+    wxDECLARE_NO_COPY_CLASS(wxHtmlHelpFrame);
 };
 
 #endif // wxUSE_WXHTML_HELP