Simplify uninstall-only warning

[cygwin-apps/setup.git] / proppage.h

/*
 * Copyright (c) 2001, 2002, 2003 Gary R. Van Sickle.
 *
 *     This program is free software; you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation; either version 2 of the License, or
 *     (at your option) any later version.
 *
 *     A copy of the GNU General Public License can be found at
 *     http://www.gnu.org/
 *
 * Written by Gary R. Van Sickle <g.r.vansickle@worldnet.att.net>
 *
 */

#ifndef SETUP_PROPPAGE_H
#define SETUP_PROPPAGE_H

// This is the header for the PropertyPage class.  It works closely with the
// PropSheet class to implement a single page of the property sheet.


#include <map>
#include "win32.h"
#include <prsht.h>

#include "window.h"
#include "ControlAdjuster.h"

class PropSheet;

class PropertyPage:public Window
{
  static bool DoOnceForSheet;
  PROPSHEETPAGE psp;
  DLGPROC proc;
    BOOL (*cmdproc) (HWND h, int id, HWND hwndctl, UINT code);

  // The sheet that owns this page.
  PropSheet *OurSheet;

  // For setting the back/finish buttons properly.
  bool IsFirst, IsLast;
  
  static INT_PTR CALLBACK FirstDialogProcReflector (HWND hwnd, UINT message,
						 WPARAM wParam,
						 LPARAM lParam);
  static INT_PTR CALLBACK DialogProcReflector (HWND hwnd, UINT message,
					    WPARAM wParam, LPARAM lParam);
  void setTitleFont ();

  // this is an internal structure that is used to store information
  // about static text controls in the dialog that have been turned
  // into clickable URLs
  typedef struct
    {
      // the URL to load when clicked
      std::string url;             

      // location of the control's original winproc that we are subclassing
      WNDPROC origWinProc;

      // font handle; note: it's our responsibility to DeleteObject() this
      HFONT font;
      
      // handle to the brush we return in response to WM_CTLCOLORSTATIC
      HBRUSH brush;
    } ClickableURL;
    
  // the list of controls that we have modified to be clickable is
  // stored in the following which maps the ID to the above data
  static std::map <int, ClickableURL> urls;
    
  // subclass the static control with this winproc
  static LRESULT CALLBACK urlWinProc (HWND hwnd, UINT uMsg, WPARAM wParam,
              LPARAM lParam);
  
protected:
    SizeProcessor sizeProcessor;
  
    virtual INT_PTR CALLBACK DialogProc (UINT message, WPARAM wParam,
					 LPARAM lParam);
    virtual INT_PTR CALLBACK OnMouseWheel (UINT message, WPARAM wParam,
					   LPARAM lParam);
    virtual INT_PTR CALLBACK OnTimerMessage (UINT message, WPARAM wParam,
					     LPARAM lparam);

public:
    PropertyPage ();
    virtual ~ PropertyPage ();

  PROPSHEETPAGE *GetPROPSHEETPAGEPtr ()
  {
    return &psp;
  };

  // FIXME: These should be private and friended to PropSheet.
  void YouAreBeingAddedToASheet (PropSheet * ps)
  {
    OurSheet = ps;
  };
  void YouAreFirst ()
  {
    IsFirst = true;
    IsLast = false;
  };
  void YouAreLast ()
  {
    IsFirst = false;
    IsLast = true;
  };
  void YouAreMiddle ()
  {
    IsFirst = false;
    IsLast = false;
  };

  virtual bool Create (int TemplateID);
  virtual bool Create (DLGPROC dlgproc, int TemplateID);
  virtual bool Create (DLGPROC dlgproc,
		       BOOL (*cmdproc) (HWND h, int id, HWND hwndctl,
					UINT code), int TemplateID);

  virtual void OnInit ()
  {
  };
  virtual void OnActivate ()
  {
  };
  virtual bool wantsActivation () const
  {
    return true;
  };
  virtual void OnDeactivate ()
  {
  };

  // Overload these to perform special processing when the user hits
  // "Next" or "Back". Return:
  // 0 == Go to next/previous page in sequence.
  // -1 == Prevent wizard from changing page.
  // Resource ID == go to a specific page specified by the resource ID.
  virtual long OnNext ()
  {
    return 0;
  };
  virtual long OnBack ()
  {
    return 0;
  };

  virtual bool OnFinish ()
  {
    return true;
  };
  virtual long OnUnattended ()
  {
    return -2;
  };

  PropSheet *GetOwner () const
  {
    return OurSheet;
  };
  
  void makeClickable (int id, std::string link);
};

#endif /* SETUP_PROPPAGE_H */