rosapps/devutils/zoomin/main.c

   1 /*
   2  *  ReactOS zoomin
   3  *
   4  *  main.c
   5  *
   6  *  Copyright (C) 2002  Robert Dickenson <robd@reactos.org>
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2 of the License, or
  11  *  (at your option) any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to the Free Software
  20  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21  */
  22
  23 #define WIN32_LEAN_AND_MEAN     // Exclude rarely-used stuff from Windows headers
  24 #include <windows.h>
  25 #include <tchar.h>
  26 #include <stdlib.h>
  27 #include <stdio.h>
  28
  29 #include "main.h"
  30 #include "framewnd.h"
  31
  32
  33 ////////////////////////////////////////////////////////////////////////////////
  34 // Global Variables:
  35 //
  36
  37 HINSTANCE hInst;
  38 HWND hFrameWnd;
  39 HMENU hMenuFrame;
  40
  41 TCHAR szTitle[MAX_LOADSTRING];
  42 TCHAR szFrameClass[MAX_LOADSTRING];
  43
  44
  45 ////////////////////////////////////////////////////////////////////////////////
  46 //
  47 //
  48 //   FUNCTION: InitInstance(HANDLE, int)
  49 //
  50 //   PURPOSE: Saves instance handle and creates main window
  51 //
  52 //   COMMENTS:
  53 //
  54 //        In this function, we save the instance handle in a global variable and
  55 //        create and display the main program window.
  56 //
  57
  58 BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
  59 {
  60     WNDCLASSEX wcFrame = {
  61         sizeof(WNDCLASSEX),
  62         CS_HREDRAW | CS_VREDRAW/*style*/,
  63         FrameWndProc,
  64         0/*cbClsExtra*/,
  65         0/*cbWndExtra*/,
  66         hInstance,
  67         LoadIcon(hInstance, MAKEINTRESOURCE(IDI_ZOOMIN)),
  68         LoadCursor(0, IDC_ARROW),
  69         0/*hbrBackground*/,
  70         0/*lpszMenuName*/,
  71         szFrameClass,
  72         (HICON)LoadImage(hInstance, MAKEINTRESOURCE(IDI_ZOOMIN), IMAGE_ICON,
  73             GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON), LR_SHARED)
  74     };
  75     ATOM hFrameWndClass = RegisterClassEx(&wcFrame); // register frame window class
  76
  77         hMenuFrame = LoadMenu(hInstance, MAKEINTRESOURCE(IDR_ZOOMIN_MENU));
  78
  79     hFrameWnd = CreateWindowEx(0, (LPCTSTR)(int)hFrameWndClass, szTitle,
  80                     WS_OVERLAPPEDWINDOW | WS_EX_CLIENTEDGE,
  81                     CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
  82                     NULL, hMenuFrame, hInstance, NULL/*lpParam*/);
  83
  84     if (!hFrameWnd) {
  85         return FALSE;
  86     }
  87
  88     ShowWindow(hFrameWnd, nCmdShow);
  89     UpdateWindow(hFrameWnd);
  90     return TRUE;
  91 }
  92
  93 ////////////////////////////////////////////////////////////////////////////////
  94
  95 void ExitInstance(void)
  96 {
  97     DestroyMenu(hMenuFrame);
  98 }
  99
 100
 101 int APIENTRY WinMain(HINSTANCE hInstance,
 102                      HINSTANCE hPrevInstance,
 103                      LPSTR     lpCmdLine,
 104                      int       nCmdShow)
 105 {
 106     MSG msg;
 107     HACCEL hAccel;
 108
 109     // Initialize global strings
 110     LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
 111     LoadString(hInstance, IDC_ZOOMIN, szFrameClass, MAX_LOADSTRING);
 112
 113     // Store instance handle in our global variable
 114     hInst = hInstance;
 115
 116     // Perform application initialization:
 117     if (!InitInstance(hInstance, nCmdShow)) {
 118         return FALSE;
 119     }
 120     hAccel = LoadAccelerators(hInstance, (LPCTSTR)IDC_ZOOMIN);
 121
 122     // Main message loop:
 123     while (GetMessage(&msg, (HWND)NULL, 0, 0)) {
 124         if (!TranslateAccelerator(msg.hwnd, hAccel, &msg)) {
 125             TranslateMessage(&msg);
 126             DispatchMessage(&msg);
 127         }
 128     }
 129     ExitInstance();
 130     return msg.wParam;
 131 }
 132