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fix main window re-scrolling problem

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git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@181 57a11ea4-9604-0410-9ed3-97b8803252fd
This commit is contained in:
Linas Vepstas 1997-11-29 08:32:31 +00:00
parent ddcdc1fd0e
commit 18e23914a3
1 changed files with 43 additions and 20 deletions
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63
src/MainWindow.c
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@ -224,14 +224,56 @@ refreshMainWindow( void )
{
int nrows;
int row_from_top;
AccountGroup *grp = topgroup; /* hack -- should pass as argument ... */
/* During refresh, we remove and re-add all displayed accounts.
* We need to do this because the refresh may be due to an account
* having been added, or due to an expansion of sub-accounts.
* However, doing this will cause the window to be scrolled
* to the top row, which is visually quite annoying. Thus, we
* will save the current selected, visible row, and rescroll
* the redrawn window to put this row back to its original location.
* So -- first, figure out whats visible, and then restore.
*/
if (selected_acc) {
int i, toprow;
XtVaGetValues( accountlist, XmNrows, &nrows, NULL );
for (i=0; i<nrows; i++) {
Account * racc;
racc = (Account *) XbaeMatrixGetRowUserData (accountlist, i);
if (racc == selected_acc) break;
}
XtVaGetValues( accountlist, XmNtopRow, &toprow, NULL );
row_from_top = i - toprow;
if (0 > row_from_top) row_from_top = 0; /* this should neve happen !? */
}
XtVaGetValues( accountlist, XmNrows, &nrows, NULL );
XbaeMatrixDeleteRows( accountlist, 0, nrows );
xaccRecomputeGroupBalance (grp);
xaccMainWindowAddAcct (accountlist, grp, 0);
xaccMainWindowRedisplayBalance ();
/* find the selected account in the new window,
* and scroll to it. */
if (selected_acc) {
int i, toprow;
XtVaGetValues( accountlist, XmNrows, &nrows, NULL );
for (i=0; i<nrows; i++) {
Account * racc;
racc = (Account *) XbaeMatrixGetRowUserData (accountlist, i);
if (racc == selected_acc) break;
}
toprow = i - row_from_top;
/* set this row to be the top visible row */
XtVaSetValues( accountlist, XmNtopRow, toprow, NULL );
XbaeMatrixSelectRow( accountlist, i );
}
}
/********************************************************************\
@ -332,27 +374,8 @@ expandListCB( Widget mw, XtPointer pClientData, XtPointer cb)
}
/* redraw the main window */
selected_acc = acc;
refreshMainWindow ();
/* find the selected account in the new window,
* and scroll to it. */
XtVaGetValues( accountlist, XmNrows, &nrows, NULL );
for (i=0; i<nrows; i++) {
Account * racc;
racc = (Account *) XbaeMatrixGetRowUserData (accountlist, i);
if (racc == acc) {
Boolean isviz;
isviz = XbaeMatrixIsRowVisible (accountlist, i);
if (False == isviz) {
/* scroll to bottom first, so that during rewind,
* sub-accounts become visible too */
XbaeMatrixMakeCellVisible (accountlist, nrows-1, 0);
XbaeMatrixMakeCellVisible (accountlist, i, 0);
}
break;
}
}
}
/********************************************************************\