babygrid_demo.cpp

babygred

// BABYGRID_DEMO.cpp : Defines the entry point for the application.
//

#include "stdafx.h"
#include "resource.h"
#include "babygrid.h"  // <------- You must include the babygrid.h header file

#define MAX_LOADSTRING 100

// Global Variables:
HINSTANCE hInst;								// current instance
TCHAR szTitle[MAX_LOADSTRING];					// The title bar text
TCHAR szWindowClass[MAX_LOADSTRING];			// The title bar text

_BGCELL cell;         // <----------- You'll need to define at least one of these
                      //              to reference the grid cells for entering or
                      //              retreiving data from the grid 
HWND hgrid1,hgrid2;   // <------------ Window handles of the grids you'll create

// Foward 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);

void LoadGrid1(HWND);
void LoadGrid2(HWND);
void SetCell(HWND,int,int,char*);



int APIENTRY WinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR     lpCmdLine,
                     int       nCmdShow)
{
 	// TODO: Place code here.
	MSG msg;
	HACCEL hAccelTable;

	// Initialize global strings
	LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
	LoadString(hInstance, IDC_BABYGRID_DEMO, szWindowClass, MAX_LOADSTRING);
	MyRegisterClass(hInstance);

	// Perform application initialization:
	if (!InitInstance (hInstance, nCmdShow)) 
	{
		return FALSE;
	}

	hAccelTable = LoadAccelerators(hInstance, (LPCTSTR)IDC_BABYGRID_DEMO);

	// Main message loop:
	while (GetMessage(&msg, NULL, 0, 0)) 
	{
		if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg)) 
		{
			TranslateMessage(&msg);
			DispatchMessage(&msg);
		}
	}

	return msg.wParam;
}



//
//  FUNCTION: MyRegisterClass()
//
//  PURPOSE: Registers the window class.
//
//  COMMENTS:
//
//    This function and its usage is 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;

	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_BABYGRID_DEMO);
	wcex.hCursor		= LoadCursor(NULL, IDC_ARROW);
	wcex.hbrBackground	= (HBRUSH)(COLOR_WINDOW+1);
	wcex.lpszMenuName	= (LPCSTR)IDC_BABYGRID_DEMO;
	wcex.lpszClassName	= szWindowClass;
	wcex.hIconSm		= LoadIcon(wcex.hInstance, (LPCTSTR)IDI_SMALL);

	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;
	TCHAR szHello[MAX_LOADSTRING];
	LoadString(hInst, IDS_HELLO, szHello, MAX_LOADSTRING);

	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;
                case 500: //properties grid notification that something happened
                    {
                     if(HIWORD(wParam)==BGN_CELLCLICKED) //a cell was clicked in the properties grid
                         {
                          
                          int row,col,dtype;

                          //get the row and column of the clicked cell
                          row=LOWORD(lParam);
                          col=HIWORD(lParam);

                          //set the _BGCELL structure variable (cell) to this row and column
                          SetCell(&cell,row,col);
                          //get the data type that is in the cell
                          //in this instance, we're looking for BOOLEAN data (types 3 [TRUE] or 4 [FALSE])
                          //datatype 1 is alphanumeric data
                          //datatype 2 is numeric data
                          //datatype 3 is BOOLEAN TRUE data
                          //datatype 4 is BOOLEAN FALSE data
                          dtype=SendMessage(hgrid1,BGM_GETTYPE,(UINT)&cell,0);
                          if(dtype == 3) //bool true
                              {
                               //if the grid cell was true (checked checkbox), toggle it false
                               SendMessage(hgrid1,BGM_SETCELLDATA,(UINT)&cell,(long)"FALSE");
                               //send appropriate control message to the grid based
                               //on the row of the cell that was toggled

                               if(row==1)
                                   {
                                    SendMessage(hgrid2,BGM_SETALLOWCOLRESIZE,FALSE,0);
                                   }
                               if(row==2)
                                   {
                                    SendMessage(hgrid2,BGM_SETEDITABLE,FALSE,0);
                                   }
                               if(row==3)
                                   {
                                    SendMessage(hgrid2,BGM_SETELLIPSIS,FALSE,0);
                                   }
                               if(row==4)
                                   {
                                    SendMessage(hgrid2,BGM_SETCOLAUTOWIDTH,FALSE,0);
                                   }
                               if(row==5)
                                   {
                                    SendMessage(hgrid2,BGM_EXTENDLASTCOLUMN,FALSE,0);
                                   }
                               if(row==6)
                                   {
                                    SendMessage(hgrid2,BGM_SETCOLSNUMBERED,FALSE,0);
                                    LoadGrid2(hgrid2);
                                   }
                               if(row==7)
                                   {
                                    SendMessage(hgrid2,BGM_SETROWSNUMBERED,FALSE,0);
                                   }
                               if(row==8)
                                   {
                                    SendMessage(hgrid2,BGM_SHOWHILIGHT,FALSE,0);
                                   }
                               if(row==9)
                                   {
                                    SendMessage(hgrid2,BGM_SETCURSORCOLOR,(UINT)RGB(0,0,0),0);
                                   }
                               if(row==10)
                                   {
                                    SendMessage(hgrid2,BGM_SETGRIDLINECOLOR,(UINT)RGB(255,255,255),0);
                                   }