window.h

   1 #ifndef CINSTALL_WINDOW_H
   2 #define CINSTALL_WINDOW_H
   3
   4 /*
   5  * Copyright (c) 2001, Gary R. Van Sickle.
   6  *
   7  *     This program is free software; you can redistribute it and/or modify
   8  *     it under the terms of the GNU General Public License as published by
   9  *     the Free Software Foundation; either version 2 of the License, or
  10  *     (at your option) any later version.
  11  *
  12  *     A copy of the GNU General Public License can be found at
  13  *     http://www.gnu.org/
  14  *
  15  * Written by Gary R. Van Sickle <g.r.vansickle@worldnet.att.net>
  16  *
  17  */
  18
  19 // This is the header for the Window class.  It serves both as a window class
  20 // in its own right and as a base class for other window-like classes (e.g. PropertyPage,
  21 // PropSheet).
  22
  23 #include <windows.h>
  24
  25 class Window
  26 {
  27   static ATOM WindowClassAtom;
  28   static HINSTANCE AppInstance;
  29
  30
  31   bool RegisterWindowClass ();
  32   static LRESULT CALLBACK FirstWindowProcReflector (HWND hwnd, UINT uMsg,
  33                                                     WPARAM wParam,
  34                                                     LPARAM lParam);
  35   static LRESULT CALLBACK WindowProcReflector (HWND hwnd, UINT uMsg,
  36                                                WPARAM wParam, LPARAM lParam);
  37
  38   HWND WindowHandle;
  39
  40   Window *Parent;
  41
  42 protected:
  43   void SetHWND (HWND h)
  44   {
  45     WindowHandle = h;
  46   };
  47
  48 public:
  49   Window ();
  50   virtual ~ Window ();
  51
  52   static void SetAppInstance (HINSTANCE h)
  53   {
  54     AppInstance = h;
  55   };
  56
  57   virtual LRESULT WindowProc (UINT uMsg, WPARAM wParam, LPARAM lParam);
  58   virtual bool MessageLoop ();
  59
  60   virtual bool Create (Window * Parent = NULL,
  61                        DWORD Style =
  62                        WS_OVERLAPPEDWINDOW | WS_VISIBLE | WS_CLIPCHILDREN);
  63   void Show (int State);
  64
  65   HWND GetHWND () const
  66   {
  67     return WindowHandle;
  68   };
  69   HINSTANCE GetInstance () const
  70   {
  71     return AppInstance;
  72   };
  73
  74   Window *GetParent () const
  75   {
  76     return Parent;
  77   };
  78   HWND GetDlgItem (int id) const
  79   {
  80     return::GetDlgItem (GetHWND (), id);
  81   };
  82
  83   void PostMessage (UINT uMsg, WPARAM wParam = 0, LPARAM lParam = 0);
  84
  85   virtual bool OnMessageApp (UINT uMsg, WPARAM wParam, LPARAM lParam)
  86   {
  87     return false;
  88   };
  89
  90   // Center the window on the parent, or on screen if no parent.
  91   void CenterWindow ();
  92
  93 };
  94
  95 #endif // CINSTALL_WINDOW_H