/**
*** NextButton()
*** Iterator to traverse buttontree. Start it with first argument a pointer
*** to the root UberButton, and the index int set to -1. Each subsequent call
*** gives the pointer to uberbutton, button and button index within uberbutton.
*** If all, also returns containers, apart from the UberButton.
**/
button_info *NextButton(button_info **ub,button_info **b,int *i,int all)
{
/* Get next button */
(*i)++;
/* Skip fake buttons */
while((*i)<(*ub)->c->num_buttons && !(*ub)->c->buttons[*i])
(*i)++;
/* End of contained buttons */
if((*i)>=(*ub)->c->num_buttons)
{
*b=*ub;
*ub=(*b)->parent;
/* End of the world as we know it */
if(!(*ub))
{
*b=NULL;
return *b;
}
*i=(*b)->n;
if((*i)>=(*ub)->c->num_buttons)
{
fprintf(stderr,"%s: BUG: Couldn't return to uberbutton\n",MyName);
exit(2);
}
NextButton(ub,b,i,all);
return *b;
}
*b=(*ub)->c->buttons[*i];
/* Found new container */
if((*b)->flags & b_Container)
{
*i=-1;
*ub=*b;
if(!all)
NextButton(ub,b,i,all);
return *b;
}
return *b;
}
void MappingWidget::NextButton(MappingButton* button)
{
auto iterator = std::find(m_buttons.begin(), m_buttons.end(), button);
if (iterator == m_buttons.end())
return;
if (++iterator == m_buttons.end())
return;
MappingButton* next = *iterator;
if (next->IsInput() && next->isVisible())
next->Detect();
else
NextButton(next);
}
static button_info *parse_button_id(char **line)
{
button_info *b = NULL, *ub = UberButton;
int mask;
int x, y;
int count, i;
char *rest;
char *s;
s = PeekToken(*line, &rest);
*line = NULL;
if (!s)
{
show_error("No button id specified\n");
return NULL;
}
if (*s == '+')
{
unsigned int JunkWidth;
unsigned int JunkHeight;
mask = XParseGeometry(s, &x, &y, &JunkWidth, &JunkHeight);
if (!(mask & XValue) || (mask & XNegative) ||
!(mask & YValue) || (mask & YNegative))
{
show_error("Illegal button position '%s'\n", s);
return NULL;
}
if (x < 0 || y < 0)
{
show_error("Button column/row must not be negative\n");
return NULL;
}
b = get_xy_button(ub, y, x);
if (b == NULL)
{
show_error(
"Button at column %d row %d not found\n", x, y);
return NULL;
}
}
else if (isdigit(*s))
{
x = atoi(s);
i = count = -1;
/* find the button */
while (NextButton(&ub, &b, &i, 0))
{
if (++count == x)
break;
}
if (count != x || b == NULL)
{
show_error("Button number %d not found\n", x);
return NULL;
}
}
else if (isalpha(*s))
{
Bool found = False;
i = -1;
/* find the button */
while (NextButton(&ub, &b, &i, 0))
{
if (b->flags.b_Id && StrEquals(b->id, s))
{
found = True;
break;
}
}
if (found == False)
{
show_error("Button id '%s' does not exist\n", s);
return NULL;
}
}
else
{
show_error("Invalid button id '%s' specified\n", s);
return NULL;
}
*line = rest;
return b;
}
