X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0ec1179b86dac6c87ad9f2cd126f87e92642c62c..03773e400b6ff2692f2a9ba045d652c3b7b7109d:/include/wx/textentry.h diff --git a/include/wx/textentry.h b/include/wx/textentry.h index d7ba22c10b..130446a4a3 100644 --- a/include/wx/textentry.h +++ b/include/wx/textentry.h @@ -15,6 +15,12 @@ // and should probably be replaced with int anyhow) typedef long wxTextPos; +class WXDLLIMPEXP_FWD_BASE wxArrayString; +class WXDLLIMPEXP_FWD_CORE wxTextEntryHintData; +class WXDLLIMPEXP_FWD_CORE wxWindow; + +#include "wx/gdicmn.h" // for wxPoint + // ---------------------------------------------------------------------------- // wxTextEntryBase // ---------------------------------------------------------------------------- @@ -22,8 +28,8 @@ typedef long wxTextPos; class WXDLLIMPEXP_CORE wxTextEntryBase { public: - wxTextEntryBase() { m_eventsBlock = 0; } - virtual ~wxTextEntryBase() { } + wxTextEntryBase() { m_eventsBlock = 0; m_hintData = NULL; } + virtual ~wxTextEntryBase(); // accessing the value @@ -41,9 +47,9 @@ public: virtual void WriteText(const wxString& text) = 0; virtual void AppendText(const wxString& text); - virtual wxString GetValue() const = 0; + virtual wxString GetValue() const; virtual wxString GetRange(long from, long to) const; - bool IsEmpty() const { return GetValue().empty(); } + bool IsEmpty() const { return GetLastPosition() <= 0; } // editing operations @@ -52,6 +58,7 @@ public: virtual void Replace(long from, long to, const wxString& value); virtual void Remove(long from, long to) = 0; virtual void Clear() { SetValue(wxString()); } + void RemoveSelection(); // clipboard operations @@ -89,14 +96,34 @@ public: // --------- virtual void SetSelection(long from, long to) = 0; - virtual void SelectAll() { SetSelection(0, GetLastPosition()); } + virtual void SelectAll() { SetSelection(-1, -1); } virtual void GetSelection(long *from, long *to) const = 0; bool HasSelection() const; virtual wxString GetStringSelection() const; + // auto-completion + // --------------- + + // these functions allow to auto-complete the text already entered into the + // control using either the given fixed list of strings, the paths from the + // file system or, in the future, an arbitrary user-defined completer + // + // they all return true if completion was enabled or false on error (most + // commonly meaning that this functionality is not available under the + // current platform) + + virtual bool AutoComplete(const wxArrayString& WXUNUSED(choices)) + { + return false; + } + + virtual bool AutoCompleteFileNames() { return false; } + + // status // ------ + virtual bool IsEditable() const = 0; virtual void SetEditable(bool editable) = 0; @@ -106,6 +133,31 @@ public: virtual void SetMaxLength(unsigned long WXUNUSED(len)) { } + // hints + // ----- + + // hint is the (usually greyed out) text shown in the control as long as + // it's empty and doesn't have focus, it is typically used in controls used + // for searching to let the user know what is supposed to be entered there + + virtual bool SetHint(const wxString& hint); + virtual wxString GetHint() const; + + + // margins + // ------- + + // margins are the empty space between borders of control and the text + // itself. When setting margin, use value -1 to indicate that specific + // margin should not be changed. + + bool SetMargins(const wxPoint& pt) + { return DoSetMargins(pt); } + bool SetMargins(wxCoord left, wxCoord top = -1) + { return DoSetMargins(wxPoint(left, top)); } + wxPoint GetMargins() const + { return DoGetMargins(); } + protected: // flags for DoSetValue(): common part of SetValue() and ChangeValue() and // also used to implement WriteText() in wxMSW @@ -117,6 +169,16 @@ protected: }; virtual void DoSetValue(const wxString& value, int flags); + virtual wxString DoGetValue() const = 0; + + // override this to return the associated window, it will be used for event + // generation and also by generic hints implementation + virtual wxWindow *GetEditableWindow() = 0; + + // margins functions + virtual bool DoSetMargins(const wxPoint& pt); + virtual wxPoint DoGetMargins() const; + // class which should be used to temporarily disable text change events // @@ -125,13 +187,11 @@ protected: { public: EventsSuppressor(wxTextEntryBase *text, bool suppress = true) + : m_text(text), + m_suppress(suppress) { - m_suppress = suppress; if ( m_suppress ) - { - m_text = text; m_text->SuppressTextChangedEvents(); - } } ~EventsSuppressor() @@ -145,6 +205,8 @@ protected: bool m_suppress; }; + friend class EventsSuppressor; + // return true if the events are currently not suppressed bool EventsAllowed() const { return m_eventsBlock == 0; } @@ -171,15 +233,27 @@ private: // initially the generation of the events is enabled virtual void EnableTextChangedEvents(bool WXUNUSED(enable)) { } - - friend class EventsSuppressor; - // if this counter is non-null, events are blocked unsigned m_eventsBlock; + + // hint-related stuff, only allocated if/when SetHint() is used + wxTextEntryHintData *m_hintData; }; -#ifdef __WXGTK20__ +#ifdef __WXUNIVERSAL__ + // TODO: we need to use wxTextEntryDelegate here, but for now just prevent + // the GTK/MSW classes from being used in wxUniv build + class WXDLLIMPEXP_CORE wxTextEntry : public wxTextEntryBase + { + }; +#elif defined(__WXGTK20__) #include "wx/gtk/textentry.h" +#elif defined(__WXMSW__) + #include "wx/msw/textentry.h" +#elif defined(__WXMOTIF__) + #include "wx/motif/textentry.h" +#elif defined(__WXPM__) + #include "wx/os2/textentry.h" #else // no platform-specific implementation of wxTextEntry yet class WXDLLIMPEXP_CORE wxTextEntry : public wxTextEntryBase