QTableWidget without GUI

[timmu]

Hi,

I'd like to make a table (2D array) to store floating point numbers without using GUI (I have a console application). QTableWidget is not possible without GUI. What class or function should I use to make this table in console.

Thanks!

[Lesiok]

What You want to do :
1. Create a table
2. Show a table on screen

[timmu]

Hi,

I'd like to make a table for storing numbers for later calculations (not for screen). My current C code is like this:

float **myTable = (float**) malloc((cols+2) * sizeof(float*)); if(myTable == NULL) {exit(1);}
for(i = 0; i < cols+1; i++) {myTable[i] = (float*)malloc((rows+1) * sizeof(float)); if(myTable[i] == NULL) {exit(1);}}
for(i=0; i<cols+1; i++){for(j=0; j<rows+1; j++){myTable[i][j]=0.0;}}

float **myTable = (float**) malloc((cols+2) * sizeof(float*)); if(myTable == NULL) {exit(1);}
for(i = 0; i < cols+1; i++) {myTable[i] = (float*)malloc((rows+1) * sizeof(float)); if(myTable[i] == NULL) {exit(1);}}
for(i=0; i<cols+1; i++){for(j=0; j<rows+1; j++){myTable[i][j]=0.0;}}

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[Lesiok]

But generally it has nothing to do with Qt.

In C++ You can :
1. use Yours code
2. create table using new/delete operators (basics of C++)
3. use some container from Qt ie. QVector

[wysota]

I don't know what you are aiming for but if you intend to do matrix operations on such an array then have a look at QGenericMatrix.

[aurora]

Of course ...u can create a QTableWidget, displaying in GUi is secondary....
U can create and use it for storing numbers....

U can refer following code......its not compiled...

table=new QTableWidget(row,coll);
 
  int row = filesTable->rowCount();
     filesTable->insertRow(row);
 
  for(int i=0;i<colcount;i++)
        {
      QTableWidgetItem *newItem = new QTableWidgetItem(cellItemat(i));
      filesTable->setItem(row,i,newItem);
 
     }

table=new QTableWidget(row,coll);

  int row = filesTable->rowCount();
     filesTable->insertRow(row);

  for(int i=0;i<colcount;i++)
        {
      QTableWidgetItem *newItem = new QTableWidgetItem(cellItemat(i));
      filesTable->setItem(row,i,newItem);

     }

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[ChrisW67]

... and by doing so you make your console only program dependent on the GUI library, add a bunch of unneeded overhead, and generally confuse the next person that has to maintain it a year from now.

[aurora]

else wat can be done Cris?

[ChrisW67]

Lesiok and Wysota have provided other options.