X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/bc55e31bdc7fbf6f1006f298ed8310e7972984e9..931d6a47c32a5b4c283243cb553ce71ee2b535d5:/include/wx/html/htmlwin.h diff --git a/include/wx/html/htmlwin.h b/include/wx/html/htmlwin.h index ea22e30601..7c716df115 100644 --- 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 -// RCS-ID: $Id$ // Copyright: (c) 1999 Vaclav Slavik // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -28,8 +27,10 @@ class wxHtmlProcessor; 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 @@ -109,6 +110,22 @@ public: /// 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 { -public: +protected: /** Ctor. @@ -126,6 +143,14 @@ public: */ 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; } @@ -169,7 +194,7 @@ public: /** 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 @@ -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 -// 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, - private wxHtmlWindowMouseHelper + public wxHtmlWindowMouseHelper { DECLARE_DYNAMIC_CLASS(wxHtmlWindow) friend class wxHtmlWinModule; @@ -225,7 +250,7 @@ public: Init(); Create(parent, id, pos, size, style, name); } - ~wxHtmlWindow(); + virtual ~wxHtmlWindow(); 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. - 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. @@ -291,12 +317,14 @@ public: // 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); +#endif // wxUSE_CONFIG // 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); - // 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); @@ -357,6 +385,8 @@ public: virtual void OnInternalIdle(); + /// Returns standard HTML cursor as used by wxHtmlWindow + static wxCursor GetDefaultHTMLCursor(HTMLCursor type); protected: void Init(); @@ -371,8 +401,8 @@ protected: // actual size of window. This method also setup scrollbars void CreateLayout(); - void OnEraseBackground(wxEraseEvent& event); void OnPaint(wxPaintEvent& event); + void OnEraseBackground(wxEraseEvent& 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 OnClipboardEvent(wxClipboardTextEvent& 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) @@ -413,7 +445,7 @@ protected: wxString DoSelectionToText(wxHtmlSelection *sel); -private: +public: // 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 wxCursor GetHTMLCursor(HTMLCursor type) const; // 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. - // 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; - // 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; - // contains title of actualy opened page or empty string if no 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; + // frame in which page title should be displayed & number of its statusbar + // reserved for usage with this html window wxFrame *m_RelatedFrame; - wxString m_TitleFormat; #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 + wxString m_TitleFormat; // 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; @@ -479,8 +511,13 @@ protected: #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; @@ -508,15 +545,113 @@ private: // 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_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_