babygrid_demo.cpp

babygred

                              }
                          if(dtype == 4) //bool false
                              {
                               //if the grid cell was false (unchecked checkbox), toggle it true
                               SendMessage(hgrid1,BGM_SETCELLDATA,(UINT)&cell,(long)"TRUE");
                               //send appropriate control message to the grid based
                               //on the row of the cell that was toggled
                               if(row==1)
                                   {
                                    SendMessage(hgrid2,BGM_SETALLOWCOLRESIZE,TRUE,0);
                                   }
                               if(row==2)
                                   {
                                    SendMessage(hgrid2,BGM_SETEDITABLE,TRUE,0);
                                   }
                               if(row==3)
                                   {
                                    SendMessage(hgrid2,BGM_SETELLIPSIS,TRUE,0);
                                   }
                               if(row==4)
                                   {
                                    SendMessage(hgrid2,BGM_SETCOLAUTOWIDTH,TRUE,0);
                                   }
                               if(row==5)
                                   {
                                    SendMessage(hgrid2,BGM_EXTENDLASTCOLUMN,TRUE,0);
                                   }
                               if(row==6)
                                   {
                                    SendMessage(hgrid2,BGM_SETCOLSNUMBERED,TRUE,0);
                                    SendMessage(hgrid2,BGM_SETHEADERROWHEIGHT,21,0);
                                   }
                               if(row==7)
                                   {
                                    SendMessage(hgrid2,BGM_SETROWSNUMBERED,TRUE,0);
                                   }
                               if(row==8)
                                   {
                                    SendMessage(hgrid2,BGM_SHOWHILIGHT,TRUE,0);
                                   }
                               if(row==9)
                                   {
                                    SendMessage(hgrid2,BGM_SETCURSORCOLOR,(UINT)RGB(255,255,255),0);
                                   }
                               if(row==10)
                                   {
                                    SendMessage(hgrid2,BGM_SETGRIDLINECOLOR,(UINT)RGB(220,220,220),0);
                                   }
                              }


                         }


                    }
                    break;

				default:
				   return DefWindowProc(hWnd, message, wParam, lParam);
			}
			break;
		case WM_PAINT:
			hdc = BeginPaint(hWnd, &ps);
			// TODO: Add any drawing code here...
			EndPaint(hWnd, &ps);
			break;
        case WM_SIZE:
            {
              RECT rect;
              GetClientRect(hWnd,&rect);
              MoveWindow(hgrid1,0,0,rect.right/3,rect.bottom,TRUE);
              MoveWindow(hgrid2,rect.right/3,0,rect.right-rect.right/3,rect.bottom,TRUE);
            }
            break;
        case WM_CREATE:
             RegisterGridClass(hInst); //initializes BABYGRID control
                                       //only call this function once in your program 

             //create 2 grids for placement on the application main window
             //the 2 grids are placed in the WM_SIZE handler.
             hgrid1=CreateWindowEx(WS_EX_CLIENTEDGE,"BABYGRID","Grid Properties",
                 WS_VISIBLE|WS_CHILD,0,0,0,0,hWnd,(HMENU)500,hInst,NULL);

             hgrid2=CreateWindowEx(WS_EX_CLIENTEDGE,"BABYGRID","BABYGRID -- A simple grid for\nWin32 API Programmers",
                 WS_VISIBLE|WS_CHILD,0,0,0,0,hWnd,(HMENU)501,hInst,NULL);

             //Set grid2 (the working demonstration grid) to be 100 rows by 5 columns
             SendMessage(hgrid2,BGM_SETGRIDDIM,100,5);

             //set grid1 (the properties grid) to automatically size columns 
             //based on the length of the text entered into the cells
             SendMessage(hgrid1,BGM_SETCOLAUTOWIDTH,TRUE,0);
             //only want 2 columns, rows will be added as data is entered programmatically
             SendMessage(hgrid1,BGM_SETGRIDDIM,0,2);
             //I don't want a row header, so make it 0 pixels wide
             SendMessage(hgrid1,BGM_SETCOLWIDTH,0,0);
             //this grid won't use column headings, set header row height = 0
             SendMessage(hgrid1,BGM_SETHEADERROWHEIGHT,0,0);
             //populate grid1 with data
             LoadGrid1(hgrid1);
             //populate grid2 with initial demo data
             LoadGrid2(hgrid2);
             //make grid2 header row to initial height of 21 pixels
             SendMessage(hgrid2,BGM_SETHEADERROWHEIGHT,21,0);
            break;


		case WM_DESTROY:
			PostQuitMessage(0);
			break;
		default:
			return DefWindowProc(hWnd, message, wParam, lParam);
   }
   return 0;
}

// Mesage 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 PutCell(HWND hgrid,int row, int col, char* text)
    {
     //worker function to keep from having to send hundreds of SendMessage() with
     //BGM_SETCELLDATA in the main program.  Just simplifies the main program code
     SetCell(&cell,row,col);
     SendMessage(hgrid,BGM_SETCELLDATA,(UINT)&cell,(long)text);
    }


void LoadGrid2(HWND hgrid)
    {
     //load grid 2 with initial demo data
        PutCell(hgrid,0,1,"Multi-line\nHeadings\nSupported");
        PutCell(hgrid,0,2,"\n\nName");
        PutCell(hgrid,0,3,"\n\nAge");

        SendMessage(hgrid,BGM_SETPROTECT,TRUE,0);
        //every cell entered after a BGM_SETPROTECT TRUE will set the 
        //protected attribute of that cell.  This keeps an editable grid
        //from allowing the user to overwrite whatever is in the protected cell

        SendMessage(hgrid,BGM_SETPROTECTCOLOR,(UINT)RGB(210,210,210),0);
        //the setprotectcolor is optional, but it gives a visual indication
        //of which cells are protected.

        //now put some data in the cells in grid2
        PutCell(hgrid,1,2,"David");
        PutCell(hgrid,2,2,"Maggie");
        PutCell(hgrid,3,2,"Chester");
        PutCell(hgrid,4,2,"Molly");
        PutCell(hgrid,5,2,"Bailey");
                             
        PutCell(hgrid,1,3,"43");
        PutCell(hgrid,2,3,"41");
        PutCell(hgrid,3,3,"3");
        PutCell(hgrid,4,3,"3");
        PutCell(hgrid,5,3,"1");

        PutCell(hgrid,10,5,"Shaded cells are write-protected.");

        SendMessage(hgrid,BGM_SETPROTECT,FALSE,0);
        //turn off automatic cell protection
        //if you don't turn off automatic cell protection, if the 
        //grid is editable, the user can enter data into empty cells
        //but cannot change what he entered... not good.

        PutCell(hgrid,1,0,"Row Headers customizable");

    }

void LoadGrid1(HWND hgrid)
    {
     //load data into the properties grid

     PutCell(hgrid,1,1,"User Column Resizing");
     PutCell(hgrid,1,2,"FALSE");
     PutCell(hgrid,2,1,"User Editable");
     PutCell(hgrid,2,2,"FALSE");
     PutCell(hgrid,3,1,"Show Ellipsis");
     PutCell(hgrid,3,2,"TRUE");
     PutCell(hgrid,4,1,"Auto Column Size");
     PutCell(hgrid,4,2,"FALSE");
     PutCell(hgrid,5,1,"Extend Last Column");
     PutCell(hgrid,5,2,"TRUE");
     PutCell(hgrid,6,1,"Numbered Columns");
     PutCell(hgrid,6,2,"TRUE");
     PutCell(hgrid,7,1,"Numbered Rows");
     PutCell(hgrid,7,2,"TRUE");
     PutCell(hgrid,8,1,"Highlight Row");
     PutCell(hgrid,8,2,"TRUE");
     PutCell(hgrid,9,1,"Show Cursor");
     PutCell(hgrid,9,2,"TRUE");
     PutCell(hgrid,10,1,"Show Gridlines");
     PutCell(hgrid,10,2,"TRUE");

     //make the grid notify the program that the row in the 
     //grid has changed.  Usually this is done by the user clicking
     //a cell, or moving thru the grid with the keyboard.  But we
     //want the grid to initially send this message to get things going.
     //If we didn't call BGM_NOTIFYROWCHANGED, the first row would be 
     //hilighted, but the ACTION wouldn't be performed.

     SendMessage(hgrid,BGM_NOTIFYROWCHANGED,0,0);

     //make the properties grid have the focus when the application starts
     SetFocus(hgrid);

    }