Candidate release of source code.

GhidraDocs/GhidraClass/ExerciseFiles/WinhelloCPP/source/WinHelloCPP.cpp

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+/* ###
+ * IP: GHIDRA
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// WinHelloCPP.cpp : Defines the entry point for the application.
+//
+
+#include "stdafx.h"
+#include "WinHelloCPP.h"
+#include "Gadget.h"
+#include <stdio.h>
+
+#define MAX_LOADSTRING 100
+
+// Global Variables:
+HINSTANCE hInst;								// current instance
+TCHAR szTitle[MAX_LOADSTRING];					// The title bar text
+TCHAR szWindowClass[MAX_LOADSTRING];			// the main window class name
+
+// Forward declarations of functions included in this code module:
+ATOM				MyRegisterClass(HINSTANCE hInstance);
+BOOL				InitInstance(HINSTANCE, int);
+LRESULT CALLBACK	WndProc(HWND, UINT, WPARAM, LPARAM);
+LRESULT CALLBACK	About(HWND, UINT, WPARAM, LPARAM);
+
+Person *personList = NULL;
+
+int APIENTRY _tWinMain(HINSTANCE hInstance,
+                     HINSTANCE hPrevInstance,
+                     LPTSTR    lpCmdLine,
+                     int       nCmdShow)
+{
+
+
+	addPeople(&personList);
+ 	initializePeople(personList);
+
+	MSG msg;
+	HACCEL hAccelTable;
+
+	// Initialize global strings
+	LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
+	LoadString(hInstance, IDC_WINHELLOCPP, szWindowClass, MAX_LOADSTRING);
+	MyRegisterClass(hInstance);
+
+	// Perform application initialization:
+	if (!InitInstance (hInstance, nCmdShow)) 
+	{
+		return FALSE;
+	}
+
+	hAccelTable = LoadAccelerators(hInstance, (LPCTSTR)IDC_WINHELLOCPP);
+
+	// Main message loop:
+	while (GetMessage(&msg, NULL, 0, 0)) 
+	{
+		if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg)) 
+		{
+			TranslateMessage(&msg);
+			DispatchMessage(&msg);
+		}
+	}
+
+	return (int) msg.wParam;
+}
+
+
+void initializeStructure (WNDCLASSEX *wcex, HINSTANCE hInstance) {
+	
+	wcex->cbSize = sizeof(WNDCLASSEX); 
+
+	wcex->style			= CS_HREDRAW | CS_VREDRAW;
+	wcex->lpfnWndProc	= (WNDPROC)WndProc;
+	wcex->cbClsExtra	= 0;
+	wcex->cbWndExtra	= 0;
+	wcex->hInstance		= hInstance;
+	wcex->hIcon			= LoadIcon(hInstance, (LPCTSTR)IDI_WINHELLOCPP);
+	wcex->hCursor		= LoadCursor(NULL, IDC_ARROW);
+	wcex->hbrBackground	= (HBRUSH)(COLOR_WINDOW+1);
+	wcex->lpszMenuName	= (LPCTSTR)IDC_WINHELLOCPP;
+	wcex->lpszClassName	= szWindowClass;
+	wcex->hIconSm		= LoadIcon(wcex->hInstance, (LPCTSTR)IDI_SMALL);
+}
+
+//
+//  FUNCTION: MyRegisterClass()
+//
+//  PURPOSE: Registers the window class.
+//
+//  COMMENTS:
+//
+//    This function and its usage are only necessary if you want this code
+//    to be compatible with Win32 systems prior to the 'RegisterClassEx'
+//    function that was added to Windows 95. It is important to call this function
+//    so that the application will get 'well formed' small icons associated
+//    with it.
+//
+ATOM MyRegisterClass(HINSTANCE hInstance)
+{
+	WNDCLASSEX wcex;
+
+	initializeStructure(&wcex, hInstance);
+
+	return RegisterClassEx(&wcex);
+}
+
+
+
+//
+//   FUNCTION: InitInstance(HANDLE, int)
+//
+//   PURPOSE: Saves instance handle and creates main window
+//
+//   COMMENTS:
+//
+//        In this function, we save the instance handle in a global variable and
+//        create and display the main program window.
+//
+BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
+{
+   HWND hWnd;
+
+   hInst = hInstance; // Store instance handle in our global variable
+
+   hWnd = CreateWindow(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW,
+      CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL);
+
+   if (!hWnd)
+   {
+      return FALSE;
+   }
+
+   ShowWindow(hWnd, nCmdShow);
+   UpdateWindow(hWnd);
+
+   return TRUE;
+}
+
+//
+//  FUNCTION: WndProc(HWND, unsigned, WORD, LONG)
+//
+//  PURPOSE:  Processes messages for the main window.
+//
+//  WM_COMMAND	- process the application menu
+//  WM_PAINT	- Paint the main window
+//  WM_DESTROY	- post a quit message and return
+//
+//
+LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
+{
+	int wmId, wmEvent;
+	PAINTSTRUCT ps;
+	HDC hdc;
+
+	switch (message) 
+	{
+	case WM_COMMAND:
+		wmId    = LOWORD(wParam); 
+		wmEvent = HIWORD(wParam); 
+		// Parse the menu selections:
+		switch (wmId)
+		{
+		case IDM_ABOUT:
+			DialogBox(hInst, (LPCTSTR)IDD_ABOUTBOX, hWnd, (DLGPROC)About);
+			break;
+		case IDM_EXIT:
+			DestroyWindow(hWnd);
+			break;
+		default:
+			return DefWindowProc(hWnd, message, wParam, lParam);
+		}
+		break;
+	case WM_PAINT:
+		hdc = BeginPaint(hWnd, &ps);
+		
+		doPaint(hdc, ps.rcPaint);
+
+		EndPaint(hWnd, &ps);
+		break;
+	case WM_DESTROY:
+		PostQuitMessage(0);
+		break;
+	default:
+		return DefWindowProc(hWnd, message, wParam, lParam);
+	}
+	return 0;
+}
+
+// Message handler for about box.
+LRESULT CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
+{
+	switch (message)
+	{
+	case WM_INITDIALOG:
+		return TRUE;
+
+	case WM_COMMAND:
+		if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL) 
+		{
+			EndDialog(hDlg, LOWORD(wParam));
+			return TRUE;
+		}
+		break;
+	}
+	return FALSE;
+}
+
+void addPeople(Person **list) {
+	addPerson(list, "Lord Victor Quartermaine");
+	addPerson(list, "Lady Tottington");
+	addPerson(list, "Were Rabbit");
+	addPerson(list, "Rabbit");
+	addPerson(list, "Gromit");
+	addPerson(list, "Wallace");
+}
+
+void initializePeople(Person *people) {
+	int index = 0;
+
+	do {
+		people->likesCheese = (rand() * 2) < 1;
+		people->id = index++;
+
+		printf("%s %s\n", people->name, (people->likesCheese ? " likes Cheese" :
+			" hates Cheese"));
+
+		people = people->next;
+	} while (people != NULL);
+}
+
+void addPerson (Person **list, char *name) {
+	Person *person = new(Person);
+	strncpy_s (person->name, name, sizeof(person->name));
+
+	person->next = *list;
+	*list = person;
+}
+
+void doPaint(HDC hDC, RECT rect) {
+	MoveToEx(hDC, rect.top, rect.left, NULL);
+	LineTo(hDC, rect.bottom, rect.right);
+
+	int maxx = abs(rect.right - rect.left) + 1;
+	int maxy = abs(rect.top - rect.bottom) + 1;
+	Person *next = personList;
+	while (next != NULL) {
+		TextOut(hDC, rand()%maxx, rand()%maxy, next->name, strlen(next->name));
+		next = next->next;
+	}
+
+	Gadget *gadget = new Gadget("Infrared Garden Gnome");
+	gadget->use(personList);
+}