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///////////////////////////////////////////////////////////////////////////////
// Name: wx/gtk/textentry.h
// Purpose: wxGTK-specific wxTextEntry implementation
// Author: Vadim Zeitlin
// Created: 2007-09-24
// Copyright: (c) 2007 Vadim Zeitlin <vadim@wxwidgets.org>
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_GTK_TEXTENTRY_H_
#define _WX_GTK_TEXTENTRY_H_
typedef struct _GdkEventKey GdkEventKey;
typedef struct _GtkEditable GtkEditable;
typedef struct _GtkEntry GtkEntry;
class wxTextAutoCompleteData; // private class used only by wxTextEntry itself
class wxTextCoalesceData; // another private class
// ----------------------------------------------------------------------------
// wxTextEntry: roughly corresponds to GtkEditable
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxTextEntry : public wxTextEntryBase
{
public:
wxTextEntry();
virtual ~wxTextEntry();
// implement wxTextEntryBase pure virtual methods
virtual void WriteText(const wxString& text) wxOVERRIDE;
virtual void Remove(long from, long to) wxOVERRIDE;
virtual void Copy() wxOVERRIDE;
virtual void Cut() wxOVERRIDE;
virtual void Paste() wxOVERRIDE;
virtual void Undo() wxOVERRIDE;
virtual void Redo() wxOVERRIDE;
virtual bool CanUndo() const wxOVERRIDE;
virtual bool CanRedo() const wxOVERRIDE;
virtual void SetInsertionPoint(long pos) wxOVERRIDE;
virtual long GetInsertionPoint() const wxOVERRIDE;
virtual long GetLastPosition() const wxOVERRIDE;
virtual void SetSelection(long from, long to) wxOVERRIDE;
virtual void GetSelection(long *from, long *to) const wxOVERRIDE;
virtual bool IsEditable() const wxOVERRIDE;
virtual void SetEditable(bool editable) wxOVERRIDE;
virtual void SetMaxLength(unsigned long len) wxOVERRIDE;
virtual void ForceUpper() wxOVERRIDE;
#ifdef __WXGTK3__
virtual bool SetHint(const wxString& hint) wxOVERRIDE;
virtual wxString GetHint() const wxOVERRIDE;
#endif
// implementation only from now on
void SendMaxLenEvent();
bool GTKEntryOnInsertText(const char* text);
bool GTKIsUpperCase() const { return m_isUpperCase; }
// Called from "changed" signal handler (or, possibly, slightly later, when
// coalescing several "changed" signals into a single event) for GtkEntry.
//
// By default just generates a wxEVT_TEXT, but overridden to do more things
// in wxTextCtrl.
virtual void GTKOnTextChanged() { SendTextUpdatedEvent(); }
// Helper functions only used internally.
wxTextCoalesceData* GTKGetCoalesceData() const { return m_coalesceData; }
protected:
// This method must be called from the derived class Create() to connect
// the handlers for the clipboard (cut/copy/paste) events.
void GTKConnectClipboardSignals(GtkWidget* entry);
// And this one to connect "insert-text" signal.
void GTKConnectInsertTextSignal(GtkEntry* entry);
// Finally this one connects to the "changed" signal on the object returned
// by GetTextObject().
void GTKConnectChangedSignal();
virtual void DoSetValue(const wxString& value, int flags) wxOVERRIDE;
virtual wxString DoGetValue() const wxOVERRIDE;
// margins functions
virtual bool DoSetMargins(const wxPoint& pt) wxOVERRIDE;
virtual wxPoint DoGetMargins() const wxOVERRIDE;
virtual bool DoAutoCompleteStrings(const wxArrayString& choices) wxOVERRIDE;
virtual bool DoAutoCompleteCustom(wxTextCompleter *completer) wxOVERRIDE;
// Call this from the overridden wxWindow::GTKIMFilterKeypress() to use
// GtkEntry IM context.
int GTKEntryIMFilterKeypress(GdkEventKey* event) const;
// If GTKEntryIMFilterKeypress() is not called (as multiline wxTextCtrl
// uses its own IM), call this method instead to still notify wxTextEntry
// about the key press events in the given widget.
void GTKEntryOnKeypress(GtkWidget* widget) const;
static int GTKGetEntryTextLength(GtkEntry* entry);
// Block/unblock the corresponding GTK signal.
//
// Note that we make it protected in wxGTK as it is called from wxComboBox
// currently.
virtual void EnableTextChangedEvents(bool enable) wxOVERRIDE;
// Helper for wxTE_PROCESS_ENTER handling: activates the default button in
// the dialog containing this control if any.
bool ClickDefaultButtonIfPossible();
private:
// implement this to return the associated GtkEntry or another widget
// implementing GtkEditable
virtual GtkEditable *GetEditable() const = 0;
// implement this to return the associated GtkEntry
virtual GtkEntry *GetEntry() const = 0;
// This one exists in order to be overridden by wxTextCtrl which uses
// either GtkEditable or GtkTextBuffer depending on whether it is single-
// or multi-line.
virtual void *GetTextObject() const { return GetEntry(); }
// Various auto-completion-related stuff, only used if any of AutoComplete()
// methods are called.
wxTextAutoCompleteData *m_autoCompleteData;
// It needs to call our GetEntry() method.
friend class wxTextAutoCompleteData;
// Data used for coalescing "changed" events resulting from a single user
// action.
mutable wxTextCoalesceData* m_coalesceData;
bool m_isUpperCase;
};
// We don't need the generic version.
#define wxHAS_NATIVE_TEXT_FORCEUPPER
#endif // _WX_GTK_TEXTENTRY_H_
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