mirror of https://github.com/PCSX2/pcsx2.git
244 lines
8.4 KiB
C++
244 lines
8.4 KiB
C++
/////////////////////////////////////////////////////////////////////////////
|
|
// Name: wx/cshelp.h
|
|
// Purpose: Context-sensitive help support classes
|
|
// Author: Julian Smart, Vadim Zeitlin
|
|
// Modified by:
|
|
// Created: 08/09/2000
|
|
// Copyright: (c) 2000 Julian Smart, Vadim Zeitlin
|
|
// Licence: wxWindows licence
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef _WX_CSHELP_H_
|
|
#define _WX_CSHELP_H_
|
|
|
|
#include "wx/defs.h"
|
|
|
|
#if wxUSE_HELP
|
|
|
|
#include "wx/help.h"
|
|
|
|
#include "wx/hashmap.h"
|
|
#if wxUSE_BMPBUTTON
|
|
#include "wx/bmpbuttn.h"
|
|
#endif
|
|
|
|
#include "wx/event.h"
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// classes used to implement context help UI
|
|
// ----------------------------------------------------------------------------
|
|
|
|
/*
|
|
* wxContextHelp
|
|
* Invokes context-sensitive help. When the user
|
|
* clicks on a window, a wxEVT_HELP event will be sent to that
|
|
* window for the application to display help for.
|
|
*/
|
|
|
|
class WXDLLIMPEXP_CORE wxContextHelp : public wxObject
|
|
{
|
|
public:
|
|
wxContextHelp(wxWindow* win = NULL, bool beginHelp = true);
|
|
virtual ~wxContextHelp();
|
|
|
|
bool BeginContextHelp(wxWindow* win);
|
|
bool EndContextHelp();
|
|
|
|
bool EventLoop();
|
|
bool DispatchEvent(wxWindow* win, const wxPoint& pt);
|
|
|
|
void SetStatus(bool status) { m_status = status; }
|
|
|
|
protected:
|
|
bool m_inHelp;
|
|
bool m_status; // true if the user left-clicked
|
|
|
|
private:
|
|
DECLARE_DYNAMIC_CLASS(wxContextHelp)
|
|
};
|
|
|
|
#if wxUSE_BMPBUTTON
|
|
/*
|
|
* wxContextHelpButton
|
|
* You can add this to your dialogs (especially on non-Windows platforms)
|
|
* to put the application into context help mode.
|
|
*/
|
|
|
|
class WXDLLIMPEXP_CORE wxContextHelpButton : public wxBitmapButton
|
|
{
|
|
public:
|
|
wxContextHelpButton(wxWindow* parent,
|
|
wxWindowID id = wxID_CONTEXT_HELP,
|
|
const wxPoint& pos = wxDefaultPosition,
|
|
const wxSize& size = wxDefaultSize,
|
|
long style = wxBU_AUTODRAW);
|
|
|
|
void OnContextHelp(wxCommandEvent& event);
|
|
|
|
private:
|
|
DECLARE_DYNAMIC_CLASS_NO_COPY(wxContextHelpButton)
|
|
DECLARE_EVENT_TABLE()
|
|
};
|
|
|
|
#endif
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// classes used to implement context help support
|
|
// ----------------------------------------------------------------------------
|
|
|
|
// wxHelpProvider is an abstract class used by the program implementing context help to
|
|
// show the help text (or whatever: it may be HTML page or anything else) for
|
|
// the given window.
|
|
//
|
|
// The current help provider must be explicitly set by the application using
|
|
// wxHelpProvider::Set().
|
|
//
|
|
// Special note about ShowHelpAtPoint() and ShowHelp(): we want to be able to
|
|
// override ShowHelpAtPoint() when we need to use different help messages for
|
|
// different parts of the window, but it should also be possible to override
|
|
// just ShowHelp() both for backwards compatibility and just because most
|
|
// often the help does not, in fact, depend on the position and so
|
|
// implementing just ShowHelp() is simpler and more natural, so by default
|
|
// ShowHelpAtPoint() forwards to ShowHelp(). But this means that
|
|
// wxSimpleHelpProvider has to override ShowHelp() and not ShowHelpAtPoint()
|
|
// for backwards compatibility as otherwise the existing code deriving from it
|
|
// and overriding ShowHelp() but calling the base class version wouldn't work
|
|
// any more, which forces us to use a rather ugly hack and pass the extra
|
|
// parameters of ShowHelpAtPoint() to ShowHelp() via member variables.
|
|
class WXDLLIMPEXP_CORE wxHelpProvider
|
|
{
|
|
public:
|
|
// get/set the current (application-global) help provider (Set() returns
|
|
// the previous one)
|
|
static wxHelpProvider *Set(wxHelpProvider *helpProvider)
|
|
{
|
|
wxHelpProvider *helpProviderOld = ms_helpProvider;
|
|
ms_helpProvider = helpProvider;
|
|
return helpProviderOld;
|
|
}
|
|
|
|
// unlike some other class, the help provider is not created on demand,
|
|
// this must be explicitly done by the application
|
|
static wxHelpProvider *Get() { return ms_helpProvider; }
|
|
|
|
// get the help string (whose interpretation is help provider dependent
|
|
// except that empty string always means that no help is associated with
|
|
// the window) for this window
|
|
virtual wxString GetHelp(const wxWindowBase *window) = 0;
|
|
|
|
// do show help for the given window (uses window->GetHelpAtPoint()
|
|
// internally if applicable), return true if it was done or false
|
|
// if no help available for this window
|
|
virtual bool ShowHelpAtPoint(wxWindowBase *window,
|
|
const wxPoint& pt,
|
|
wxHelpEvent::Origin origin)
|
|
{
|
|
wxCHECK_MSG( window, false, wxT("window must not be NULL") );
|
|
|
|
m_helptextAtPoint = pt;
|
|
m_helptextOrigin = origin;
|
|
|
|
return ShowHelp(window);
|
|
}
|
|
|
|
// show help for the given window, see ShowHelpAtPoint() above
|
|
virtual bool ShowHelp(wxWindowBase * WXUNUSED(window)) { return false; }
|
|
|
|
// associate the text with the given window or id: although all help
|
|
// providers have these functions to allow making wxWindow::SetHelpText()
|
|
// work, not all of them implement them
|
|
virtual void AddHelp(wxWindowBase *window, const wxString& text);
|
|
|
|
// this version associates the given text with all window with this id
|
|
// (may be used to set the same help string for all [Cancel] buttons in
|
|
// the application, for example)
|
|
virtual void AddHelp(wxWindowID id, const wxString& text);
|
|
|
|
// removes the association
|
|
virtual void RemoveHelp(wxWindowBase* window);
|
|
|
|
// virtual dtor for any base class
|
|
virtual ~wxHelpProvider();
|
|
|
|
protected:
|
|
wxHelpProvider()
|
|
: m_helptextAtPoint(wxDefaultPosition),
|
|
m_helptextOrigin(wxHelpEvent::Origin_Unknown)
|
|
{
|
|
}
|
|
|
|
// helper method used by ShowHelp(): returns the help string to use by
|
|
// using m_helptextAtPoint/m_helptextOrigin if they're set or just GetHelp
|
|
// otherwise
|
|
wxString GetHelpTextMaybeAtPoint(wxWindowBase *window);
|
|
|
|
|
|
// parameters of the last ShowHelpAtPoint() call, used by ShowHelp()
|
|
wxPoint m_helptextAtPoint;
|
|
wxHelpEvent::Origin m_helptextOrigin;
|
|
|
|
private:
|
|
static wxHelpProvider *ms_helpProvider;
|
|
};
|
|
|
|
WX_DECLARE_EXPORTED_HASH_MAP( wxUIntPtr, wxString, wxIntegerHash,
|
|
wxIntegerEqual, wxSimpleHelpProviderHashMap );
|
|
|
|
// wxSimpleHelpProvider is an implementation of wxHelpProvider which supports
|
|
// only plain text help strings and shows the string associated with the
|
|
// control (if any) in a tooltip
|
|
class WXDLLIMPEXP_CORE wxSimpleHelpProvider : public wxHelpProvider
|
|
{
|
|
public:
|
|
// implement wxHelpProvider methods
|
|
virtual wxString GetHelp(const wxWindowBase *window);
|
|
|
|
// override ShowHelp() and not ShowHelpAtPoint() as explained above
|
|
virtual bool ShowHelp(wxWindowBase *window);
|
|
|
|
virtual void AddHelp(wxWindowBase *window, const wxString& text);
|
|
virtual void AddHelp(wxWindowID id, const wxString& text);
|
|
virtual void RemoveHelp(wxWindowBase* window);
|
|
|
|
protected:
|
|
// we use 2 hashes for storing the help strings associated with windows
|
|
// and the ids
|
|
wxSimpleHelpProviderHashMap m_hashWindows,
|
|
m_hashIds;
|
|
};
|
|
|
|
// wxHelpControllerHelpProvider is an implementation of wxHelpProvider which supports
|
|
// both context identifiers and plain text help strings. If the help text is an integer,
|
|
// it is passed to wxHelpController::DisplayContextPopup. Otherwise, it shows the string
|
|
// in a tooltip as per wxSimpleHelpProvider.
|
|
class WXDLLIMPEXP_CORE wxHelpControllerHelpProvider : public wxSimpleHelpProvider
|
|
{
|
|
public:
|
|
// Note that it doesn't own the help controller. The help controller
|
|
// should be deleted separately.
|
|
wxHelpControllerHelpProvider(wxHelpControllerBase* hc = NULL);
|
|
|
|
// implement wxHelpProvider methods
|
|
|
|
// again (see above): this should be ShowHelpAtPoint() but we need to
|
|
// override ShowHelp() to avoid breaking existing code
|
|
virtual bool ShowHelp(wxWindowBase *window);
|
|
|
|
// Other accessors
|
|
void SetHelpController(wxHelpControllerBase* hc) { m_helpController = hc; }
|
|
wxHelpControllerBase* GetHelpController() const { return m_helpController; }
|
|
|
|
protected:
|
|
wxHelpControllerBase* m_helpController;
|
|
|
|
wxDECLARE_NO_COPY_CLASS(wxHelpControllerHelpProvider);
|
|
};
|
|
|
|
// Convenience function for turning context id into wxString
|
|
WXDLLIMPEXP_CORE wxString wxContextId(int id);
|
|
|
|
#endif // wxUSE_HELP
|
|
|
|
#endif // _WX_CSHELP_H_
|
|
|