zdoom-macos-deps/deps/wxwidgets/include/wx-3.1/wx/control.h
2021-06-28 10:54:57 +03:00

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/////////////////////////////////////////////////////////////////////////////
// Name: wx/control.h
// Purpose: wxControl common interface
// Author: Vadim Zeitlin
// Modified by:
// Created: 26.07.99
// Copyright: (c) wxWidgets team
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_CONTROL_H_BASE_
#define _WX_CONTROL_H_BASE_
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "wx/defs.h"
#if wxUSE_CONTROLS
#include "wx/window.h" // base class
#include "wx/gdicmn.h" // wxEllipsize...
extern WXDLLIMPEXP_DATA_CORE(const char) wxControlNameStr[];
// ----------------------------------------------------------------------------
// wxControl is the base class for all controls
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxControlBase : public wxWindow
{
public:
wxControlBase() { }
virtual ~wxControlBase();
// Create() function adds the validator parameter
bool Create(wxWindow *parent, wxWindowID id,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = 0,
const wxValidator& validator = wxDefaultValidator,
const wxString& name = wxASCII_STR(wxControlNameStr));
// get the control alignment (left/right/centre, top/bottom/centre)
int GetAlignment() const { return m_windowStyle & wxALIGN_MASK; }
// set label with mnemonics
virtual void SetLabel(const wxString& label) wxOVERRIDE
{
m_labelOrig = label;
InvalidateBestSize();
wxWindow::SetLabel(label);
}
// return the original string, as it was passed to SetLabel()
// (i.e. with wx-style mnemonics)
virtual wxString GetLabel() const wxOVERRIDE { return m_labelOrig; }
// set label text (mnemonics will be escaped)
virtual void SetLabelText(const wxString& text)
{
SetLabel(EscapeMnemonics(text));
}
// get just the text of the label, without mnemonic characters ('&')
virtual wxString GetLabelText() const { return GetLabelText(GetLabel()); }
#if wxUSE_MARKUP
// Set the label with markup (and mnemonics). Markup is a simple subset of
// HTML with tags such as <b>, <i> and <span>. By default it is not
// supported i.e. all the markup is simply stripped and SetLabel() is
// called but some controls in some ports do support this already and in
// the future most of them should.
//
// Notice that, being HTML-like, markup also supports XML entities so '<'
// should be encoded as "&lt;" and so on, a bare '<' in the input will
// likely result in an error. As an exception, a bare '&' is allowed and
// indicates that the next character is a mnemonic. To insert a literal '&'
// in the control you need to use "&amp;" in the input string.
//
// Returns true if the label was set, even if the markup in it was ignored.
// False is only returned if we failed to parse the label.
bool SetLabelMarkup(const wxString& markup)
{
return DoSetLabelMarkup(markup);
}
#endif // wxUSE_MARKUP
// controls by default inherit the colours of their parents, if a
// particular control class doesn't want to do it, it can override
// ShouldInheritColours() to return false
virtual bool ShouldInheritColours() const wxOVERRIDE { return true; }
// WARNING: this doesn't work for all controls nor all platforms!
//
// simulates the event of given type (i.e. wxButton::Command() is just as
// if the button was clicked)
virtual void Command(wxCommandEvent &event);
virtual bool SetFont(const wxFont& font) wxOVERRIDE;
// wxControl-specific processing after processing the update event
virtual void DoUpdateWindowUI(wxUpdateUIEvent& event) wxOVERRIDE;
wxSize GetSizeFromTextSize(int xlen, int ylen = -1) const
{ return DoGetSizeFromTextSize(xlen, ylen); }
wxSize GetSizeFromTextSize(const wxSize& tsize) const
{ return DoGetSizeFromTextSize(tsize.x, tsize.y); }
wxSize GetSizeFromText(const wxString& text) const
{
return GetSizeFromTextSize(GetTextExtent(text).GetWidth());
}
// static utilities for mnemonics char (&) handling
// ------------------------------------------------
// returns the given string without mnemonic characters ('&')
static wxString GetLabelText(const wxString& label);
// returns the given string without mnemonic characters ('&')
// this function is identic to GetLabelText() and is provided for clarity
// and for symmetry with the wxStaticText::RemoveMarkup() function.
static wxString RemoveMnemonics(const wxString& str);
// escapes (by doubling them) the mnemonics
static wxString EscapeMnemonics(const wxString& str);
// miscellaneous static utilities
// ------------------------------
// replaces parts of the given (multiline) string with an ellipsis if needed
static wxString Ellipsize(const wxString& label, const wxDC& dc,
wxEllipsizeMode mode, int maxWidth,
int flags = wxELLIPSIZE_FLAGS_DEFAULT);
// return the accel index in the string or -1 if none and puts the modified
// string into second parameter if non NULL
static int FindAccelIndex(const wxString& label,
wxString *labelOnly = NULL);
// this is a helper for the derived class GetClassDefaultAttributes()
// implementation: it returns the right colours for the classes which
// contain something else (e.g. wxListBox, wxTextCtrl, ...) instead of
// being simple controls (such as wxButton, wxCheckBox, ...)
static wxVisualAttributes
GetCompositeControlsDefaultAttributes(wxWindowVariant variant);
protected:
// choose the default border for this window
virtual wxBorder GetDefaultBorder() const wxOVERRIDE;
// creates the control (calls wxWindowBase::CreateBase inside) and adds it
// to the list of parents children
bool CreateControl(wxWindowBase *parent,
wxWindowID id,
const wxPoint& pos,
const wxSize& size,
long style,
const wxValidator& validator,
const wxString& name);
#if wxUSE_MARKUP
// This function may be overridden in the derived classes to implement
// support for labels with markup. The base class version simply strips the
// markup and calls SetLabel() with the remaining text.
virtual bool DoSetLabelMarkup(const wxString& markup);
#endif // wxUSE_MARKUP
// override this to return the total control's size from a string size
virtual wxSize DoGetSizeFromTextSize(int xlen, int ylen = -1) const;
// initialize the common fields of wxCommandEvent
void InitCommandEvent(wxCommandEvent& event) const;
#if wxUSE_MARKUP
// Remove markup from the given string, returns empty string on error i.e.
// if markup was syntactically invalid.
static wxString RemoveMarkup(const wxString& markup);
#endif // wxUSE_MARKUP
// this field contains the label in wx format, i.e. with '&' mnemonics,
// as it was passed to the last SetLabel() call
wxString m_labelOrig;
wxDECLARE_NO_COPY_CLASS(wxControlBase);
};
// ----------------------------------------------------------------------------
// include platform-dependent wxControl declarations
// ----------------------------------------------------------------------------
#if defined(__WXUNIVERSAL__)
#include "wx/univ/control.h"
#elif defined(__WXMSW__)
#include "wx/msw/control.h"
#elif defined(__WXMOTIF__)
#include "wx/motif/control.h"
#elif defined(__WXGTK20__)
#include "wx/gtk/control.h"
#elif defined(__WXGTK__)
#include "wx/gtk1/control.h"
#elif defined(__WXMAC__)
#include "wx/osx/control.h"
#elif defined(__WXQT__)
#include "wx/qt/control.h"
#endif
#endif // wxUSE_CONTROLS
#endif
// _WX_CONTROL_H_BASE_