static int
get_grid_float_entry (GtkGrid *g, int y, int x, GnmCell *cell, gnm_float *number,
GtkEntry **wp, gboolean with_default, gnm_float default_float)
{
GOFormat const *format;
GtkWidget *w = gtk_grid_get_child_at (g, x, y + 1);
g_return_val_if_fail (GTK_IS_ENTRY (w), 3);
*wp = GTK_ENTRY (w);
format = gnm_style_get_format (gnm_cell_get_style (cell));
return (with_default?
entry_to_float_with_format_default (*wp, number, TRUE, format,
default_float):
entry_to_float_with_format (*wp, number, TRUE, format));
}
/**
* cb_dialog_apply_clicked:
* @button:
* @state:
*
* Close (destroy) the dialog
**/
static void
cb_dialog_apply_clicked (G_GNUC_UNUSED GtkWidget *button,
GoalSeekState *state)
{
char *status_str;
GoalSeekStatus status;
GnmValue *target;
GnmRangeRef const *r;
GOFormat *format;
if (state->warning_dialog != NULL)
gtk_widget_destroy (state->warning_dialog);
/* set up source */
target = gnm_expr_entry_parse_as_value (state->set_cell_entry,
state->sheet);
if (target == NULL) {
go_gtk_notice_nonmodal_dialog (GTK_WINDOW(state->dialog),
&(state->warning_dialog),
GTK_MESSAGE_ERROR,
_("You should introduce a valid cell "
"name in 'Set Cell:'!"));
gnm_expr_entry_grab_focus (state->set_cell_entry, TRUE);
return;
}
r = &target->v_range.cell;
state->set_cell = sheet_cell_get (r->a.sheet, r->a.col, r->a.row);
value_release (target);
if (state->set_cell == NULL || !gnm_cell_has_expr (state->set_cell)) {
go_gtk_notice_nonmodal_dialog (GTK_WINDOW(state->dialog),
&(state->warning_dialog),
GTK_MESSAGE_ERROR,
_("The cell named in 'Set Cell:' "
"must contain a formula!"));
gnm_expr_entry_grab_focus (state->set_cell_entry, TRUE);
return;
}
/* set up source */
target = gnm_expr_entry_parse_as_value (state->change_cell_entry,
state->sheet);
if (target == NULL) {
go_gtk_notice_nonmodal_dialog (GTK_WINDOW(state->dialog),
&(state->warning_dialog),
GTK_MESSAGE_ERROR,
_("You should introduce a valid cell "
"name in 'By Changing Cell:'!"));
gnm_expr_entry_grab_focus (state->change_cell_entry, TRUE);
return;
}
r = &target->v_range.cell;
state->change_cell = sheet_cell_fetch (r->a.sheet, r->a.col, r->a.row);
value_release (target);
if (gnm_cell_has_expr (state->change_cell)) {
go_gtk_notice_nonmodal_dialog (GTK_WINDOW(state->dialog),
&(state->warning_dialog),
GTK_MESSAGE_ERROR,
_("The cell named in 'By changing cell' "
"must not contain a formula."));
gnm_expr_entry_grab_focus (state->change_cell_entry, TRUE);
return;
}
format = gnm_style_get_format (gnm_cell_get_style (state->set_cell));
if (entry_to_float_with_format (GTK_ENTRY(state->to_value_entry),
&state->target_value, TRUE, format)){
go_gtk_notice_nonmodal_dialog (GTK_WINDOW(state->dialog),
&(state->warning_dialog),
GTK_MESSAGE_ERROR,
_("The value given in 'To Value:' "
"is not valid."));
focus_on_entry (GTK_ENTRY(state->to_value_entry));
return;
}
format = gnm_style_get_format (gnm_cell_get_style (state->change_cell));
if (entry_to_float_with_format (GTK_ENTRY(state->at_least_entry),
&state->xmin, TRUE, format)) {
state->xmin = -max_range_val;
gtk_entry_set_text (GTK_ENTRY (state->at_least_entry), "");
}
if (entry_to_float_with_format (GTK_ENTRY(state->at_most_entry), &state->xmax,
TRUE, format)) {
state->xmax = +max_range_val;
gtk_entry_set_text (GTK_ENTRY (state->at_most_entry), "");
}
if ((state->old_cell != NULL) && (state->old_value != NULL)) {
sheet_cell_set_value (state->old_cell, state->old_value);
workbook_recalc (state->wb);
state->old_value = NULL;
}
state->old_cell = state->change_cell;
state->old_value = value_dup (state->change_cell->value);
status = gnumeric_goal_seek (state);
switch (status) {
case GOAL_SEEK_OK: {
const char *actual_str;
const char *solution_str;
GOFormat *format = go_format_general ();
GnmValue *error_value = value_new_float (state->target_value -
value_get_as_float (state->set_cell->value));
char *target_str = format_value (format, error_value, NULL, -1,
workbook_date_conv (state->wb));
gtk_label_set_text (GTK_LABEL (state->target_value_label), target_str);
g_free (target_str);
value_release (error_value);
status_str =
g_strdup_printf (_("Goal seeking with cell %s found a solution."),
cell_name (state->set_cell));
gtk_label_set_text (GTK_LABEL (state->result_label), status_str);
g_free (status_str);
/* FIXME? Do a format? */
actual_str = state->set_cell->value
? value_peek_string (state->set_cell->value)
: "";
gtk_label_set_text (GTK_LABEL (state->current_value_label), actual_str);
solution_str = state->change_cell->value
? value_peek_string (state->change_cell->value)
: "";
gtk_label_set_text (GTK_LABEL (state->solution_label), solution_str);
break;
}
default:
status_str =
g_strdup_printf (_("Goal seeking with cell %s did not find a solution."),
cell_name (state->set_cell));
gtk_label_set_text (GTK_LABEL (state->result_label), status_str);
g_free (status_str);
gtk_label_set_text (GTK_LABEL (state->current_value_label), "");
gtk_label_set_text (GTK_LABEL (state->solution_label), "");
gtk_label_set_text (GTK_LABEL (state->target_value_label), "");
break;
}
state->cancelled = FALSE;
gtk_widget_show (state->result_table);
return;
}
