wxMessageBox off the main thread lost result code.

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

diff --git a/include/wx/html/htmlwin.h b/include/wx/html/htmlwin.h
index ea22e30601f2357e11870002f35858cef2a69eaa..7c716df115fe255efe922b206464a14ab5c5ee49 100644 (file)
--- a/include/wx/html/htmlwin.h
+++ b/include/wx/html/htmlwin.h
@@ -1,8 +1,7 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        htmlwin.h
+// Name:        wx/html/htmlwin.h

 // Purpose:     wxHtmlWindow class for parsing & displaying HTML
 // Author:      Vaclav Slavik
 // Purpose:     wxHtmlWindow class for parsing & displaying HTML
 // Author:      Vaclav Slavik

-// RCS-ID:      $Id$

 // Copyright:   (c) 1999 Vaclav Slavik
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 // Copyright:   (c) 1999 Vaclav Slavik
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////


@@ -28,8 +27,10 @@ class wxHtmlProcessor;
 class wxHtmlWinModule;
 class wxHtmlHistoryArray;
 class wxHtmlProcessorList;
 class wxHtmlWinModule;
 class wxHtmlHistoryArray;
 class wxHtmlProcessorList;

-class WXDLLIMPEXP_HTML wxHtmlWinAutoScrollTimer;
-
+class WXDLLIMPEXP_FWD_HTML wxHtmlWinAutoScrollTimer;
+class WXDLLIMPEXP_FWD_HTML wxHtmlCellEvent;
+class WXDLLIMPEXP_FWD_HTML wxHtmlLinkEvent;
+class WXDLLIMPEXP_FWD_CORE wxStatusBar;

 
 // wxHtmlWindow flags:
 #define wxHW_SCROLLBAR_NEVER    0x0002
 
 // wxHtmlWindow flags:
 #define wxHW_SCROLLBAR_NEVER    0x0002


@@ -109,6 +110,22 @@ public:
 
     /// Sets status bar text.
     virtual void SetHTMLStatusText(const wxString& text) = 0;
 
     /// Sets status bar text.
     virtual void SetHTMLStatusText(const wxString& text) = 0;

+
+    /// Type of mouse cursor
+    enum HTMLCursor
+    {
+        /// Standard mouse cursor (typically an arrow)
+        HTMLCursor_Default,
+        /// Cursor shown over links
+        HTMLCursor_Link,
+        /// Cursor shown over selectable text
+        HTMLCursor_Text
+    };
+
+    /**
+        Returns mouse cursor of given @a type.
+     */
+    virtual wxCursor GetHTMLCursor(HTMLCursor type) const = 0;

 };
 
 /**
 };
 
 /**


@@ -118,7 +135,7 @@ public:
  */
 class WXDLLIMPEXP_HTML wxHtmlWindowMouseHelper
 {
  */
 class WXDLLIMPEXP_HTML wxHtmlWindowMouseHelper
 {

-public:
+protected:

     /**
         Ctor.
 
     /**
         Ctor.
 


@@ -126,6 +143,14 @@ public:
      */
     wxHtmlWindowMouseHelper(wxHtmlWindowInterface *iface);
 
      */
     wxHtmlWindowMouseHelper(wxHtmlWindowInterface *iface);
 

+    /**
+        Virtual dtor.
+
+        It is not really needed in this case but at leats it prevents gcc from
+        complaining about its absence.
+     */
+    virtual ~wxHtmlWindowMouseHelper() { }
+

     /// Returns true if the mouse moved since the last call to HandleIdle
     bool DidMouseMove() const { return m_tmpMouseMoved; }
 
     /// Returns true if the mouse moved since the last call to HandleIdle
     bool DidMouseMove() const { return m_tmpMouseMoved; }
 


@@ -169,7 +194,7 @@ public:
 
     /**
         Called by HandleMouseClick when the user clicks on a cell.
 
     /**
         Called by HandleMouseClick when the user clicks on a cell.

-        Default behavior is to call wxHtmlWindowInterface::OnLinkClicked()
+        Default behaviour is to call wxHtmlWindowInterface::OnLinkClicked()

         if this cell corresponds to a hypertext link.
 
         @param cell   the cell the mouse is over
         if this cell corresponds to a hypertext link.
 
         @param cell   the cell the mouse is over


@@ -201,14 +226,14 @@ private:
 //                  Purpose of this class is to display HTML page (either local
 //                  file or downloaded via HTTP protocol) in a window. Width of
 //                  window is constant - given in constructor - virtual height
 //                  Purpose of this class is to display HTML page (either local
 //                  file or downloaded via HTTP protocol) in a window. Width of
 //                  window is constant - given in constructor - virtual height

-//                  is changed dynamicly depending on page size.  Once the
-//                  window is created you can set it's content by calling
+//                  is changed dynamically depending on page size.  Once the
+//                  window is created you can set its content by calling

 //                  SetPage(text) or LoadPage(filename).
 // ----------------------------------------------------------------------------
 
 class WXDLLIMPEXP_HTML wxHtmlWindow : public wxScrolledWindow,
                                       public wxHtmlWindowInterface,
 //                  SetPage(text) or LoadPage(filename).
 // ----------------------------------------------------------------------------
 
 class WXDLLIMPEXP_HTML wxHtmlWindow : public wxScrolledWindow,
                                       public wxHtmlWindowInterface,

-                                      private wxHtmlWindowMouseHelper
+                                      public wxHtmlWindowMouseHelper

 {
     DECLARE_DYNAMIC_CLASS(wxHtmlWindow)
     friend class wxHtmlWinModule;
 {
     DECLARE_DYNAMIC_CLASS(wxHtmlWindow)
     friend class wxHtmlWinModule;


@@ -225,7 +250,7 @@ public:
         Init();
         Create(parent, id, pos, size, style, name);
     }
         Init();
         Create(parent, id, pos, size, style, name);
     }

-    ~wxHtmlWindow();
+    virtual ~wxHtmlWindow();

 
     bool Create(wxWindow *parent, wxWindowID id = wxID_ANY,
                 const wxPoint& pos = wxDefaultPosition,
 
     bool Create(wxWindow *parent, wxWindowID id = wxID_ANY,
                 const wxPoint& pos = wxDefaultPosition,


@@ -271,7 +296,8 @@ public:
 #if wxUSE_STATUSBAR
     // After(!) calling SetRelatedFrame, this sets statusbar slot where messages
     // will be displayed. Default is -1 = no messages.
 #if wxUSE_STATUSBAR
     // After(!) calling SetRelatedFrame, this sets statusbar slot where messages
     // will be displayed. Default is -1 = no messages.

-    void SetRelatedStatusBar(int bar);
+    void SetRelatedStatusBar(int index);
+    void SetRelatedStatusBar(wxStatusBar*, int index = 0);

 #endif // wxUSE_STATUSBAR
 
     // Sets fonts to be used when displaying HTML page.
 #endif // wxUSE_STATUSBAR
 
     // Sets fonts to be used when displaying HTML page.


@@ -291,12 +317,14 @@ public:
     // when/if we have CSS support we could add other possibilities...)
     void SetBackgroundImage(const wxBitmap& bmpBg) { m_bmpBg = bmpBg; }
 
     // when/if we have CSS support we could add other possibilities...)
     void SetBackgroundImage(const wxBitmap& bmpBg) { m_bmpBg = bmpBg; }
 

+#if wxUSE_CONFIG

     // Saves custom settings into cfg config. it will use the path 'path'
     // if given, otherwise it will save info into currently selected path.
     // saved values : things set by SetFonts, SetBorders.
     virtual void ReadCustomization(wxConfigBase *cfg, wxString path = wxEmptyString);
     // ...
     virtual void WriteCustomization(wxConfigBase *cfg, wxString path = wxEmptyString);
     // Saves custom settings into cfg config. it will use the path 'path'
     // if given, otherwise it will save info into currently selected path.
     // saved values : things set by SetFonts, SetBorders.
     virtual void ReadCustomization(wxConfigBase *cfg, wxString path = wxEmptyString);
     // ...
     virtual void WriteCustomization(wxConfigBase *cfg, wxString path = wxEmptyString);

+#endif // wxUSE_CONFIG

 
     // Goes to previous/next page (in browsing history)
     // Returns true if successful, false otherwise
 
     // Goes to previous/next page (in browsing history)
     // Returns true if successful, false otherwise


@@ -329,7 +357,7 @@ public:
     // (depending on the information passed to SetRelatedFrame() method)
     virtual void OnSetTitle(const wxString& title);
 
     // (depending on the information passed to SetRelatedFrame() method)
     virtual void OnSetTitle(const wxString& title);
 

-    // Called when user clicked on hypertext link. Default behavior is to
+    // Called when user clicked on hypertext link. Default behaviour is to

     // call LoadPage(loc)
     virtual void OnLinkClicked(const wxHtmlLinkInfo& link);
 
     // call LoadPage(loc)
     virtual void OnLinkClicked(const wxHtmlLinkInfo& link);
 


@@ -357,6 +385,8 @@ public:
 
     virtual void OnInternalIdle();
 
 
     virtual void OnInternalIdle();
 

+    /// Returns standard HTML cursor as used by wxHtmlWindow
+    static wxCursor GetDefaultHTMLCursor(HTMLCursor type);

 
 protected:
     void Init();
 
 protected:
     void Init();


@@ -371,8 +401,8 @@ protected:
     // actual size of window. This method also setup scrollbars
     void CreateLayout();
 
     // actual size of window. This method also setup scrollbars
     void CreateLayout();
 

-    void OnEraseBackground(wxEraseEvent& event);

     void OnPaint(wxPaintEvent& event);
     void OnPaint(wxPaintEvent& event);

+    void OnEraseBackground(wxEraseEvent& event);

     void OnSize(wxSizeEvent& event);
     void OnMouseMove(wxMouseEvent& event);
     void OnMouseDown(wxMouseEvent& event);
     void OnSize(wxSizeEvent& event);
     void OnMouseMove(wxMouseEvent& event);
     void OnMouseDown(wxMouseEvent& event);


@@ -381,8 +411,10 @@ protected:
     void OnKeyUp(wxKeyEvent& event);
     void OnDoubleClick(wxMouseEvent& event);
     void OnCopy(wxCommandEvent& event);
     void OnKeyUp(wxKeyEvent& event);
     void OnDoubleClick(wxMouseEvent& event);
     void OnCopy(wxCommandEvent& event);

+    void OnClipboardEvent(wxClipboardTextEvent& event);

     void OnMouseEnter(wxMouseEvent& event);
     void OnMouseLeave(wxMouseEvent& event);
     void OnMouseEnter(wxMouseEvent& event);
     void OnMouseLeave(wxMouseEvent& event);

+    void OnMouseCaptureLost(wxMouseCaptureLostEvent& event);

 #endif // wxUSE_CLIPBOARD
 
     // Returns new filter (will be stored into m_DefaultFilter variable)
 #endif // wxUSE_CLIPBOARD
 
     // Returns new filter (will be stored into m_DefaultFilter variable)


@@ -413,7 +445,7 @@ protected:
 
     wxString DoSelectionToText(wxHtmlSelection *sel);
 
 
     wxString DoSelectionToText(wxHtmlSelection *sel);
 

-private:
+public:

     // wxHtmlWindowInterface methods:
     virtual void SetHTMLWindowTitle(const wxString& title);
     virtual void OnHTMLLinkClicked(const wxHtmlLinkInfo& link);
     // wxHtmlWindowInterface methods:
     virtual void SetHTMLWindowTitle(const wxString& title);
     virtual void OnHTMLLinkClicked(const wxHtmlLinkInfo& link);


@@ -427,6 +459,7 @@ private:
     virtual void SetHTMLBackgroundColour(const wxColour& clr);
     virtual void SetHTMLBackgroundImage(const wxBitmap& bmpBg);
     virtual void SetHTMLStatusText(const wxString& text);
     virtual void SetHTMLBackgroundColour(const wxColour& clr);
     virtual void SetHTMLBackgroundImage(const wxBitmap& bmpBg);
     virtual void SetHTMLStatusText(const wxString& text);

+    virtual wxCursor GetHTMLCursor(HTMLCursor type) const;

 
     // implementation of SetPage()
     bool DoSetPage(const wxString& source);
 
     // implementation of SetPage()
     bool DoSetPage(const wxString& source);


@@ -436,32 +469,31 @@ protected:
     // is usually top one = all other cells are sub-cells of this one)
     wxHtmlContainerCell *m_Cell;
     // parser which is used to parse HTML input.
     // is usually top one = all other cells are sub-cells of this one)
     wxHtmlContainerCell *m_Cell;
     // parser which is used to parse HTML input.

-    // Each wxHtmlWindow has it's own parser because sharing one global
+    // Each wxHtmlWindow has its own parser because sharing one global

     // parser would be problematic (because of reentrancy)
     wxHtmlWinParser *m_Parser;
     // parser would be problematic (because of reentrancy)
     wxHtmlWinParser *m_Parser;

-    // contains name of actualy opened page or empty string if no page opened
+    // contains name of actually opened page or empty string if no page opened

     wxString m_OpenedPage;
     // contains name of current anchor within m_OpenedPage
     wxString m_OpenedAnchor;
     wxString m_OpenedPage;
     // contains name of current anchor within m_OpenedPage
     wxString m_OpenedAnchor;

-    // contains title of actualy opened page or empty string if no <TITLE> tag
+    // contains title of actually opened page or empty string if no <TITLE> tag

     wxString m_OpenedPageTitle;
     // class for opening files (file system)
     wxFileSystem* m_FS;
 
     wxString m_OpenedPageTitle;
     // class for opening files (file system)
     wxFileSystem* m_FS;
 

+    // frame in which page title should be displayed & number of its statusbar
+    // reserved for usage with this html window

     wxFrame *m_RelatedFrame;
     wxFrame *m_RelatedFrame;

-    wxString m_TitleFormat;

 #if wxUSE_STATUSBAR
 #if wxUSE_STATUSBAR

-    // frame in which page title should be displayed & number of it's statusbar
-    // reserved for usage with this html window
-    int m_RelatedStatusBar;
+    int m_RelatedStatusBarIndex;
+    wxStatusBar* m_RelatedStatusBar;

 #endif // wxUSE_STATUSBAR
 #endif // wxUSE_STATUSBAR

+    wxString m_TitleFormat;

 
     // borders (free space between text and window borders)
     // defaults to 10 pixels.
     int m_Borders;
 
 
     // borders (free space between text and window borders)
     // defaults to 10 pixels.
     int m_Borders;
 

-    int m_Style;
-

     // current text selection or NULL
     wxHtmlSelection *m_selection;
 
     // current text selection or NULL
     wxHtmlSelection *m_selection;
 


@@ -479,8 +511,13 @@ protected:
 #endif // wxUSE_CLIPBOARD
 
 private:
 #endif // wxUSE_CLIPBOARD
 
 private:

-    // window content for double buffered rendering:
-    wxBitmap *m_backBuffer;
+    // erase the window background using m_bmpBg or just solid colour if we
+    // don't have any background image
+    void DoEraseBackground(wxDC& dc);
+
+    // window content for double buffered rendering, may be invalid until it is
+    // really initialized in OnPaint()
+    wxBitmap m_backBuffer;

 
     // background image, may be invalid
     wxBitmap m_bmpBg;
 
     // background image, may be invalid
     wxBitmap m_bmpBg;


@@ -508,15 +545,113 @@ private:
     // if this FLAG is false, items are not added to history
     bool m_HistoryOn;
 
     // if this FLAG is false, items are not added to history
     bool m_HistoryOn;
 

-    // a flag set if we need to erase background in OnPaint() (otherwise this
-    // is supposed to have been done in OnEraseBackground())
-    bool m_eraseBgInOnPaint;
+    // Flag used to communicate between OnPaint() and OnEraseBackground(), see
+    // the comments near its use.
+    bool m_isBgReallyErased;
+
+    // standard mouse cursors
+    static wxCursor *ms_cursorLink;
+    static wxCursor *ms_cursorText;

 
     DECLARE_EVENT_TABLE()
 
     DECLARE_EVENT_TABLE()

-    DECLARE_NO_COPY_CLASS(wxHtmlWindow)
+    wxDECLARE_NO_COPY_CLASS(wxHtmlWindow);
+};
+
+class WXDLLIMPEXP_FWD_HTML wxHtmlCellEvent;
+
+wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_HTML, wxEVT_HTML_CELL_CLICKED, wxHtmlCellEvent );
+wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_HTML, wxEVT_HTML_CELL_HOVER, wxHtmlCellEvent );
+wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_HTML, wxEVT_HTML_LINK_CLICKED, wxHtmlLinkEvent );
+
+
+/*!
+ * Html cell window event
+ */
+
+class WXDLLIMPEXP_HTML wxHtmlCellEvent : public wxCommandEvent
+{
+public:
+    wxHtmlCellEvent() {}
+    wxHtmlCellEvent(wxEventType commandType, int id,
+                    wxHtmlCell *cell, const wxPoint &pt,
+                    const wxMouseEvent &ev)
+        : wxCommandEvent(commandType, id)
+    {
+        m_cell = cell;
+        m_pt = pt;
+        m_mouseEvent = ev;
+        m_bLinkWasClicked = false;
+    }
+
+    wxHtmlCell* GetCell() const { return m_cell; }
+    wxPoint GetPoint() const { return m_pt; }
+    wxMouseEvent GetMouseEvent() const { return m_mouseEvent; }
+
+    void SetLinkClicked(bool linkclicked) { m_bLinkWasClicked=linkclicked; }
+    bool GetLinkClicked() const { return m_bLinkWasClicked; }
+
+    // default copy ctor, assignment operator and dtor are ok
+    virtual wxEvent *Clone() const { return new wxHtmlCellEvent(*this); }
+
+private:
+    wxHtmlCell *m_cell;
+    wxMouseEvent m_mouseEvent;
+    wxPoint m_pt;
+
+    bool m_bLinkWasClicked;
+
+    DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxHtmlCellEvent)

 };
 
 
 };
 
 

+
+/*!
+ * Html link event
+ */
+
+class WXDLLIMPEXP_HTML wxHtmlLinkEvent : public wxCommandEvent
+{
+public:
+    wxHtmlLinkEvent() {}
+    wxHtmlLinkEvent(int id, const wxHtmlLinkInfo &linkinfo)
+        : wxCommandEvent(wxEVT_HTML_LINK_CLICKED, id)
+    {
+        m_linkInfo = linkinfo;
+    }
+
+    const wxHtmlLinkInfo &GetLinkInfo() const { return m_linkInfo; }
+
+    // default copy ctor, assignment operator and dtor are ok
+    virtual wxEvent *Clone() const { return new wxHtmlLinkEvent(*this); }
+
+private:
+    wxHtmlLinkInfo m_linkInfo;
+
+    DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxHtmlLinkEvent)
+};
+
+
+typedef void (wxEvtHandler::*wxHtmlCellEventFunction)(wxHtmlCellEvent&);
+typedef void (wxEvtHandler::*wxHtmlLinkEventFunction)(wxHtmlLinkEvent&);
+
+#define wxHtmlCellEventHandler(func) \
+    wxEVENT_HANDLER_CAST(wxHtmlCellEventFunction, func)
+#define wxHtmlLinkEventHandler(func) \
+    wxEVENT_HANDLER_CAST(wxHtmlLinkEventFunction, func)
+
+#define EVT_HTML_CELL_CLICKED(id, fn) \
+    wx__DECLARE_EVT1(wxEVT_HTML_CELL_CLICKED, id, wxHtmlCellEventHandler(fn))
+#define EVT_HTML_CELL_HOVER(id, fn) \
+    wx__DECLARE_EVT1(wxEVT_HTML_CELL_HOVER, id, wxHtmlCellEventHandler(fn))
+#define EVT_HTML_LINK_CLICKED(id, fn) \
+    wx__DECLARE_EVT1(wxEVT_HTML_LINK_CLICKED, id, wxHtmlLinkEventHandler(fn))
+
+
+// old wxEVT_COMMAND_* constants
+#define wxEVT_COMMAND_HTML_CELL_CLICKED   wxEVT_HTML_CELL_CLICKED
+#define wxEVT_COMMAND_HTML_CELL_HOVER     wxEVT_HTML_CELL_HOVER
+#define wxEVT_COMMAND_HTML_LINK_CLICKED   wxEVT_HTML_LINK_CLICKED
+

 #endif // wxUSE_HTML
 
 #endif // _WX_HTMLWIN_H_
 #endif // wxUSE_HTML
 
 #endif // _WX_HTMLWIN_H_