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mprove documentation, add autility routine

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git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@1052 57a11ea4-9604-0410-9ed3-97b8803252fd
This commit is contained in:
Linas Vepstas 1998-08-28 05:31:57 +00:00
parent 5ccc6aec8f
commit 9c81f411f2
2 changed files with 50 additions and 8 deletions
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20
src/register/table-allgui.c
View File

@ -617,4 +617,24 @@ xaccVerifyCursorPosition (Table *table, int phys_row, int phys_col)
}
}
/* ==================================================== */
void *
xaccGetUserData (Table *table, int phys_row, int phys_col)
{
int virt_row, virt_col;
/* check for out-of-bounds conditions */
if ((0 > phys_row) || (0 > phys_col) ||
(phys_row >= table->num_phys_rows) ||
(phys_col >= table->num_phys_cols)) {
return NULL;
}
virt_row = table->locators[phys_row][phys_col]->virt_row;
virt_col = table->locators[phys_row][phys_col]->virt_col;
return (table->user_data[virt_row][virt_col]);
}
/* ================== end of file ======================= */

38
src/register/table-allgui.h
View File

@ -187,13 +187,26 @@ xaccSetCursor (Table *table, CellBlock *curs,
int virt_row, int virt_col);
/* move the cursor (but not the GUI) to the indicated location. */
/* The xaccMoveCursor() method will move the cursor (but not the
* cursor GUI) to the indicated location. This function is useful
* when loading the table from the cursor: data can be loaded into
* the cursor, then committed to the table, all without the annoying
* screen flashing associated with GUI redraw.
*/
void xaccMoveCursor (Table *, int phys_row, int phys_col);
/* move the cursor GUI to the indicated location. */
/* The xaccMoveCursorGUI() method will move the cursor and its GUI
* to the indicated location. Through a series of callbacks,
* all GUI elements get repositioned.
*/
void xaccMoveCursorGUI (Table *, int phys_row, int phys_col);
/* copy text in the cursor cells to the table */
/* The xaccCommitCursor() method will copy text in the cursor cells
* into the table. This function is useful during the initial
* load of the table with data: the cursor can be used as an
* intermediary to format, fix up, and otherwise control the data,
* and, when ready, it is commited from the cursor into the table.
*/
void xaccCommitCursor (Table *);
/* hack alert --
@ -204,16 +217,25 @@ void xaccCommitCursor (Table *);
void xaccRefreshHeader (Table *);
/* xaccVerifyCursorPosition checks the location of the cursor
* with respect to a physical row/column position, and if the
* resulting virtual position has changed, commits the changes
* in the old position, and the repositions the cursor & gui
* to the new position.
/* The xaccVerifyCursorPosition() method checks the location of
* the cursor with respect to a physical row/column position,
* and if the resulting virtual position has changed, commits
* the changes in the old position, and the repositions the
* cursor & gui to the new position.
*/
void
xaccVerifyCursorPosition (Table *table, int phys_row, int phys_col);
/*
* The xaccGetUserData() method is a convenience function that
* simplifies the lookup of the any user data that is hooked
* to the indicated row and column. It returns NULL if the
* row and column are out of bounds.
*/
void * xaccGetUserData (Table *table, int phys_row, int phys_col);
/* ==================================================== */
/*
* In C, we don't have things like C++ templates.