adding measuring contexts, streamlining printing code

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

diff --git a/include/wx/html/helpctrl.h b/include/wx/html/helpctrl.h
index f31e41f874089ee476b2765005f6f0dbff9655be..826fd20cf44ac48521defc4d74e0561479f4c94f 100644 (file)
--- a/include/wx/html/helpctrl.h
+++ b/include/wx/html/helpctrl.h
@@ -14,49 +14,58 @@
 
 #include "wx/defs.h"
 
-#ifdef __GNUG__
-#pragma interface "helpctrl.h"
-#endif
+#if wxUSE_WXHTML_HELP
 
-#if wxUSE_HTML
-
-#include "wx/html/helpfrm.h"
 #include "wx/helpbase.h"
+#include "wx/html/helpfrm.h"
 
 #define wxID_HTML_HELPFRAME   (wxID_HIGHEST + 1)
 
-class WXDLLEXPORT wxHtmlHelpController : public wxHelpControllerBase // wxEvtHandler
+// This style indicates that the window is
+// embedded in the application and must not be
+// destroyed by the help controller.
+#define wxHF_EMBEDDED                0x00008000
+
+// Create a dialog for the help window.
+#define wxHF_DIALOG                  0x00010000
+
+// Create a frame for the help window.
+#define wxHF_FRAME                   0x00020000
+
+// Make the dialog modal when displaying help.
+#define wxHF_MODAL                   0x00040000
+
+class WXDLLIMPEXP_HTML wxHtmlHelpDialog;
+class WXDLLIMPEXP_HTML wxHtmlHelpWindow;
+class WXDLLIMPEXP_HTML wxHtmlHelpFrame;
+class WXDLLIMPEXP_HTML wxHtmlHelpDialog;
+
+class WXDLLIMPEXP_HTML wxHtmlHelpController : public wxHelpControllerBase // wxEvtHandler
 {
     DECLARE_DYNAMIC_CLASS(wxHtmlHelpController)
 
 public:
-    wxHtmlHelpController(int style = wxHF_DEFAULT_STYLE);
+    wxHtmlHelpController(int style = wxHF_DEFAULT_STYLE, wxWindow* parentWindow = NULL);
     virtual ~wxHtmlHelpController();
 
     void SetTitleFormat(const wxString& format);
     void SetTempDir(const wxString& path) { m_helpData.SetTempDir(path); }
-    bool AddBook(const wxString& book, bool show_wait_msg = FALSE);
-    bool Display(const wxString& x)
-    {
-        CreateHelpWindow(); return m_helpFrame->Display(x);
-    }
-    bool Display(int id)
-    {
-        CreateHelpWindow(); return m_helpFrame->Display(id);
-    }
-    bool DisplayContents()
-    {
-        CreateHelpWindow(); return m_helpFrame->DisplayContents();
-    }
-    bool DisplayIndex()
-    {
-        CreateHelpWindow(); return m_helpFrame->DisplayIndex();
-    }
-    bool KeywordSearch(const wxString& keyword)
-    {
-        CreateHelpWindow(); return m_helpFrame->KeywordSearch(keyword);
-    }
+    bool AddBook(const wxString& book_url, bool show_wait_msg = false);
+    bool AddBook(const wxFileName& book_file, bool show_wait_msg = false);
+
+    bool Display(const wxString& x);
+    bool Display(int id);
+    bool DisplayContents();
+    bool DisplayIndex();
+    bool KeywordSearch(const wxString& keyword,
+                       wxHelpSearchMode mode = wxHELP_SEARCH_ALL);
+
+    wxHtmlHelpWindow* GetHelpWindow() { return m_helpWindow; }
+    void SetHelpWindow(wxHtmlHelpWindow* helpWindow);
+
     wxHtmlHelpFrame* GetFrame() { return m_helpFrame; }
+    wxHtmlHelpDialog* GetDialog() { return m_helpDialog; }
+
     void UseConfig(wxConfigBase *config, const wxString& rootpath = wxEmptyString);
 
     // Assigns config object to the Ctrl. This config is then
@@ -70,7 +79,7 @@ public:
     virtual bool Initialize(const wxString& file, int WXUNUSED(server) ) { return Initialize(file); }
     virtual bool Initialize(const wxString& file);
     virtual void SetViewer(const wxString& WXUNUSED(viewer), long WXUNUSED(flags) = 0) {}
-    virtual bool LoadFile(const wxString& file = "");
+    virtual bool LoadFile(const wxString& file = wxT(""));
     virtual bool DisplaySection(int sectionNo);
     virtual bool DisplaySection(const wxString& section) { return Display(section); }
     virtual bool DisplayBlock(long blockNo) { return DisplaySection(blockNo); }
@@ -79,7 +88,7 @@ public:
     virtual void SetFrameParameters(const wxString& title,
                                const wxSize& size,
                                const wxPoint& pos = wxDefaultPosition,
-                               bool newFrameEachTime = FALSE);
+                               bool newFrameEachTime = false);
     /// Obtains the latest settings used by the help frame and the help
     /// frame.
     virtual wxFrame *GetFrameParameters(wxSize *size = NULL,
@@ -90,25 +99,55 @@ public:
     wxHtmlHelpData *GetHelpData() { return &m_helpData; }
 
     virtual bool Quit() ;
-    virtual void OnQuit() {};
+    virtual void OnQuit() {}
 
     void OnCloseFrame(wxCloseEvent& evt);
 
+    // Make the help controller's frame 'modal' if
+    // needed
+    void MakeModalIfNeeded();
+
+    // Find the top-most parent window
+    wxWindow* FindTopLevelWindow();
+
 protected:
+    virtual wxWindow* CreateHelpWindow();
     virtual wxHtmlHelpFrame* CreateHelpFrame(wxHtmlHelpData *data);
-
-    virtual void CreateHelpWindow();
+    virtual wxHtmlHelpDialog* CreateHelpDialog(wxHtmlHelpData *data);
     virtual void DestroyHelpWindow();
 
     wxHtmlHelpData      m_helpData;
-    wxHtmlHelpFrame*    m_helpFrame;
+    wxHtmlHelpWindow*   m_helpWindow;
     wxConfigBase *      m_Config;
     wxString            m_ConfigRoot;
     wxString            m_titleFormat;
     int                 m_FrameStyle;
-    // DECLARE_EVENT_TABLE()
+    wxHtmlHelpFrame*    m_helpFrame;
+    wxHtmlHelpDialog*   m_helpDialog;
+
+    DECLARE_NO_COPY_CLASS(wxHtmlHelpController)
+};
+
+/*
+ * wxHtmlModalHelp
+ * A convenience class particularly for use on wxMac,
+ * where you can only show modal dialogs from a modal
+ * dialog.
+ *
+ * Use like this:
+ *
+ * wxHtmlModalHelp help(parent, filename, topic);
+ *
+ * If topic is empty, the help contents is displayed.
+ */
+
+class WXDLLIMPEXP_HTML wxHtmlModalHelp
+{
+public:
+    wxHtmlModalHelp(wxWindow* parent, const wxString& helpFile, const wxString& topic = wxEmptyString,
+        int style = wxHF_DEFAULT_STYLE | wxHF_DIALOG | wxHF_MODAL);
 };
 
-#endif
+#endif // wxUSE_WXHTML_HELP
 
 #endif // _WX_HELPCTRL_H_