📄 babygrid.cpp
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PAINTSTRUCT ps;
HDC hdc;
char buffer[1000];
int SelfIndex;
int ReturnValue;
UINT SelfMenu;
HINSTANCE hInst;
int iDataType;
static int ASCII;
SelfIndex=FindGrid((UINT)GetMenu(hWnd));
SelfMenu=BGHS[SelfIndex].gridmenu;
//update the grid width and height variable
{
RECT rect;
GetClientRect(hWnd,&rect);
BGHS[SelfIndex].gridwidth = rect.right - rect.left;
BGHS[SelfIndex].gridheight = rect.bottom - rect.top;
}
ReturnValue = 0;
switch (message)
{
case WM_COMMAND:
wmId = LOWORD(wParam);
wmEvent = HIWORD(wParam);
// Parse the menu selections:
switch (wmId)
{
case 1:
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
break;
case WM_PAINT:
hdc = BeginPaint(hWnd, &ps);
RECT rt;
GetClientRect(hWnd, &rt);
CalcVisibleCellBoundaries(SelfIndex);
//display title
DisplayTitle(hWnd,SelfIndex,BGHS[SelfIndex].htitlefont);
//display column 0;
DisplayColumn(hWnd,SelfIndex,0,0,BGHS[SelfIndex].hfont,BGHS[SelfIndex].hcolumnheadingfont);
{
int c,j,k,offset;
offset = BGHS[SelfIndex].columnwidths[0];
j=BGHS[SelfIndex].leftvisiblecol;
k=BGHS[SelfIndex].rightvisiblecol;
for(c=j;c<=k;c++)
{
DisplayColumn(hWnd,SelfIndex,c,offset,BGHS[SelfIndex].hfont,BGHS[SelfIndex].hcolumnheadingfont);
offset+=BGHS[SelfIndex].columnwidths[c];
}
}
EndPaint(hWnd, &ps);
//
if(GetFocus()==hWnd)
{
PostMessage(hWnd,BGM_DRAWCURSOR,(UINT)SelfIndex,0);
}
break;
case BGM_PAINTGRID:
{
RECT rect;
GetClientRect(hWnd, &rect);
InvalidateRect(hWnd,&rect,TRUE);
UpdateWindow(hWnd);
MessageBeep(0);
}
break;
case WM_SETTEXT:
{
int j,linecount;
SIZE size;
HDC gdc;
HFONT holdfont;
if(strlen((char*)lParam)>300)
{
strcpy(BGHS[SelfIndex].title,"Title too long (300 chars max)");
}
else
{
strcpy(BGHS[SelfIndex].title,(char*)lParam);
}
gdc=GetDC(hWnd);
//get linecount of title;
if(strlen(BGHS[SelfIndex].title) > 0)
{
linecount=1;
for(j=0;j<(int)strlen(BGHS[SelfIndex].title);j++)
{
if(BGHS[SelfIndex].title[j]=='\n')
{
linecount++;
}
}
holdfont=(HFONT)SelectObject(gdc,BGHS[SelfIndex].htitlefont);
GetTextExtentPoint32(gdc,BGHS[SelfIndex].title,strlen(BGHS[SelfIndex].title),&size);
SelectObject(gdc,holdfont);
BGHS[SelfIndex].titleheight = (int)((size.cy*1.2) * linecount);
}
else
{
//no title
BGHS[SelfIndex].titleheight = 0;
}
ReleaseDC(hWnd,gdc);
RefreshGrid(hWnd);
SizeGrid(hWnd,SelfIndex);
}
break;
case BGM_GETROWS:
ReturnValue = BGHS[SelfIndex].rows;
break;
case BGM_GETCOLS:
ReturnValue = BGHS[SelfIndex].cols;
break;
case BGM_GETCOLWIDTH:
ReturnValue = BGHS[SelfIndex].columnwidths[wParam];
break;
case BGM_GETROWHEIGHT:
ReturnValue = BGHS[SelfIndex].rowheight;
break;
case BGM_GETHEADERROWHEIGHT:
ReturnValue = BGHS[SelfIndex].headerrowheight;
break;
case BGM_GETOWNERDRAWITEM:
ReturnValue = BGHS[SelfIndex].ownerdrawitem;
break;
case BGM_DRAWCURSOR:
DrawCursor(hWnd,wParam);
break;
case BGM_SETCURSORPOS:
DrawCursor(hWnd,SelfIndex);
if((((int)wParam <= BGHS[SelfIndex].rows)&&((int)wParam > 0))&&
(((int)lParam <= BGHS[SelfIndex].cols)&&((int)lParam > 0)))
{
BGHS[SelfIndex].cursorrow=wParam;
BGHS[SelfIndex].cursorcol=lParam;
}
else
{
DrawCursor(hWnd,SelfIndex);
break;
}
SetHomeRow(hWnd,SelfIndex,BGHS[SelfIndex].cursorrow,BGHS[SelfIndex].cursorcol);
SetHomeCol(hWnd,SelfIndex,BGHS[SelfIndex].cursorrow,BGHS[SelfIndex].cursorcol);
DrawCursor(hWnd,SelfIndex);
RefreshGrid(hWnd);
break;
case BGM_SHOWHILIGHT:
BGHS[SelfIndex].DRAWHIGHLIGHT = (BOOL)wParam;
RefreshGrid(hWnd);
break;
case BGM_EXTENDLASTCOLUMN:
BGHS[SelfIndex].EXTENDLASTCOLUMN = (BOOL)wParam;
RefreshGrid(hWnd);
break;
case BGM_SHOWINTEGRALROWS:
BGHS[SelfIndex].SHOWINTEGRALROWS = (BOOL)wParam;
SizeGrid(hWnd,SelfIndex);
RefreshGrid(hWnd);
break;
case BGM_SETCOLAUTOWIDTH:
BGHS[SelfIndex].COLAUTOWIDTH = (BOOL)wParam;
break;
case BGM_SETALLOWCOLRESIZE:
BGHS[SelfIndex].ALLOWCOLUMNRESIZING = (BOOL)wParam;
break;
case BGM_PROTECTCELL:
LPBGcell=(_BGCELL*)wParam;
if(OutOfRange(LPBGcell))
{
wParam=MAKEWPARAM((UINT)GetMenu(hWnd),BGN_OUTOFRANGE);
lParam = 0;
SendMessage(GetParent(hWnd),WM_COMMAND,wParam,lParam);
ReturnValue = -1;
break;
}
wsprintf(buffer,"%05d-%03d",LPBGcell->row,LPBGcell->col);
//see if that cell is already loaded
FindResult = BinarySearchListBox(BGHS[SelfIndex].hlist1,buffer);
if(FindResult != LB_ERR)
{
//it was found, get the text, modify text delete it from list, add modified to list
SendMessage(BGHS[SelfIndex].hlist1,LB_GETTEXT,FindResult,(long)buffer);
if((BOOL)lParam)
{
buffer[10] = 'P';
}
else
{
buffer[10] = 'U';
}
SendMessage(BGHS[SelfIndex].hlist1,LB_DELETESTRING,FindResult,0);
SendMessage(BGHS[SelfIndex].hlist1,LB_ADDSTRING,FindResult,(long)buffer);
}
else
{
//protecting or unprotecting a cell that isn't in the list
//add it as blank;
strcat(buffer,"|");
if((BOOL)lParam)
{
strcat(buffer,"PA");
}
else
{
strcat(buffer,"UA");
}
strcat(buffer,"|");
SendMessage(BGHS[SelfIndex].hlist1,LB_ADDSTRING,FindResult,(long)buffer);
}
break;
case BGM_NOTIFYROWCHANGED:
NotifyRowChanged(hWnd,SelfIndex);
break;
case BGM_NOTIFYCOLCHANGED:
NotifyColChanged(hWnd,SelfIndex);
break;
case BGM_SETPROTECT:
if((BOOL)wParam)
{
strcpy(BGHS[SelfIndex].protect,"P");
}
else
{
strcpy(BGHS[SelfIndex].protect,"U");
}
break;
case BGM_AUTOROW:
if((BOOL)wParam)
{
BGHS[SelfIndex].AUTOROW = TRUE;
}
else
{
BGHS[SelfIndex].AUTOROW = FALSE;
}
break;
case BGM_SETEDITABLE:
if((BOOL)wParam)
{
BGHS[SelfIndex].EDITABLE = TRUE;
}
else
{
BGHS[SelfIndex].EDITABLE = FALSE;
}
break;
case BGM_SETCELLDATA:
LPBGcell=(_BGCELL*)wParam;
if(OutOfRange(LPBGcell))
{
wParam=MAKEWPARAM((UINT)GetMenu(hWnd),BGN_OUTOFRANGE);
lParam = 0;
SendMessage(GetParent(hWnd),WM_COMMAND,wParam,lParam);
ReturnValue = -1;
break;
}
wsprintf(buffer,"%05d-%03d",LPBGcell->row,LPBGcell->col);
//see if that cell is already loaded
FindResult = BinarySearchListBox(BGHS[SelfIndex].hlist1,buffer);
if(FindResult != LB_ERR)
{
//it was found, delete it
SendMessage(BGHS[SelfIndex].hlist1,LB_DELETESTRING,FindResult,0);
}
//now add it
strcat(buffer,"|");
strcat(buffer,BGHS[SelfIndex].protect);
//determine data type (text,numeric, or boolean)(1,2,3)
iDataType=DetermineDataType((char*)lParam);
if(iDataType==1){strcat(buffer,"A");}
if(iDataType==2){strcat(buffer,"N");}
if(iDataType==3){strcat(buffer,"T");}
if(iDataType==4){strcat(buffer,"F");}
if(iDataType==5){strcat(buffer,"G");}
strcat(buffer,"|");
strcat(buffer,(char*)lParam);
FindResult=SendMessage(BGHS[SelfIndex].hlist1,LB_ADDSTRING,0,(long)buffer);
if(FindResult==LB_ERR)
{
MessageBeep(0);
}
{
RECT rect;
rect=GetCellRect(hWnd,SelfIndex,LPBGcell->row,LPBGcell->col);
InvalidateRect(hWnd,&rect,FALSE);
}
//get the last line and adjust grid dimmensions
if(BGHS[SelfIndex].AUTOROW)
{
int j;
j=SendMessage(BGHS[SelfIndex].hlist1,LB_GETCOUNT,0,0);
if(j>0)
{
SendMessage(BGHS[SelfIndex].hlist1,LB_GETTEXT,j-1,(long)buffer);
buffer[5]=0x00;
j=atoi(buffer);
if(j>SendMessage(hWnd,BGM_GETROWS,0,0))
{
SendMessage(hWnd,BGM_SETGRIDDIM,j,BGHS[SelfIndex].cols);
}
}
else
{
//no items in the list
SendMessage(hWnd,BGM_SETGRIDDIM,j,BGHS[SelfIndex].cols);
}
}
//adjust the column width if COLAUTOWIDTH==TRUE
if((BGHS[SelfIndex].COLAUTOWIDTH)||(LPBGcell->row == 0))
{
HDC hdc;
SIZE size;
int required_width;
int current_width;
int required_height;
int current_height;
int longestline;
HFONT holdfont;
hdc=GetDC(hWnd);
if(LPBGcell->row == 0)
{
holdfont=(HFONT)SelectObject(hdc,BGHS[SelfIndex].hcolumnheadingfont);
}
else
{
holdfont=(HFONT)SelectObject(hdc,BGHS[SelfIndex].hfont);
}
//if there are \n codes in the string, find the longest line
longestline=FindLongestLine(hdc,(char*)lParam,&size);
//GetTextExtentPoint32(hdc,(char*)lParam,strlen((char*)lParam),&size);
required_width = longestline+5;
required_height = size.cy;
//count lines
{
int count=1;
char tbuffer[255];
strcpy(tbuffer,(char*)lParam);
for(int j=0;j<(int)strlen(tbuffer);j++)
{
if(tbuffer[j]=='\n'){count++;}
}
if((!BGHS[SelfIndex].ELLIPSIS)||(LPBGcell->row == 0))
{
required_height *= count;
}
required_height +=5;
}
SelectObject(hdc,holdfont);
ReleaseDC(hWnd,hdc);
current_width = BGHS[SelfIndex].columnwidths[LPBGcell->col];
if(LPBGcell->row == 0)
{
current_height = BGHS[SelfIndex].headerrowheight;
if(required_height > current_height)
{
SendMessage(hWnd,BGM_SETHEADERROWHEIGHT,required_height,0);
}
}
else
{
current_height = BGHS[SelfIndex].rowheight;
if(required_height > current_height)
{
SendMessage(hWnd,BGM_SETROWHEIGHT,required_height,0);
}
}
if(required_width > current_width)
{
SendMessage(hWnd,BGM_SETCOLWIDTH,LPBGcell->col,required_width);
}
ReleaseDC(hWnd,hdc);
}
break;
case BGM_GETCELLDATA:
LPBGcell=(_BGCELL*)wParam;
if(OutOfRange(LPBGcell))
{
wParam=MAKEWPARAM((UINT)GetMenu(hWnd),BGN_OUTOFRANGE);
lParam = 0;
SendMessage(GetParent(hWnd),WM_COMMAND,wParam,lParam);
ReturnValue = -1;
break;
}
wsprintf(buffer,"%05d-%03d",LPBGcell->row,LPBGcell->col);
//see if that cell is already loaded
FindResult = BinarySearchListBox(BGHS[SelfIndex].hlist1,buffer);
if(FindResult != LB_ERR)
{
int j,k,c;
char tbuffer[1000];
//it was found, get it
SendMessage(BGHS[SelfIndex].hlist1,LB_GETTEXT,FindResult,(long)lParam);
strcpy(tbuffer,(char*)lParam);
k=strlen(tbuffer);
c=0;
for(j=13;j<k;j++)
{
buffer[c]=tbuffer[j];
c++;
}
buffer[c]=0x00;
strcpy((char*)lParam,buffer);
}
else
{
strcpy((char*)lParam,"");
}
break;
case BGM_CLEARGRID:
SendMessage(BGHS[SelfIndex].hlist1,LB_RESETCONTENT,0,0);
BGHS[SelfIndex].rows = 0;
BGHS[SelfIndex].cursorrow = 1;
BGHS[SelfIndex].homerow = 1;
BGHS[SelfIndex].homecol = 1;
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