void LayoutSetDisplayEdgesRelative( Layout layout,
double left, double bottom,
double right, double top ) {
int row, column;
double x, y;
View view;
double width = (right - left) / (double) layout->columns;
double height = (top - bottom) / (double) layout->rows;
double x_space = layout->x_space;
double y_space = layout->y_space;
for ( row = 0; row < layout->rows; row++ ) {
for ( column = 0; column < layout->columns; column++ ) {
x = left + column * width;
y = top - row * height;
ViewSetDisplayEdgesRelative( LayoutView( layout, row, column ),
x + x_space,
y - height + y_space,
x + width - x_space,
y - y_space );
}
}
view = LayoutView( layout, 0, 0 );
layout->display_left = view->display_left;
layout->display_top = view->display_top;
view = LayoutView( layout, layout->rows - 1, layout->columns - 1 );
layout->display_right = view->display_right;
layout->display_bottom = view->display_bottom;
}
View LayoutViewNT( Layout layout, int n ) {
int row, column;
if ( n >= layout->rows * layout->columns ) {
fprintf( stderr, "Invalid layout number: %d (%d)\n",
n, layout->rows * layout->columns );
n = 0;
}
column = n / layout->rows;
row = n % layout->rows;
return( LayoutView( layout, row, column ) );
}
// SetVisibleItem
void
BCardLayout::SetVisibleItem(BLayoutItem* item)
{
if (item == fVisibleItem)
return;
if (item != NULL && IndexOfItem(item) < 0)
return;
if (fVisibleItem != NULL)
fVisibleItem->SetVisible(false);
fVisibleItem = item;
if (fVisibleItem != NULL) {
fVisibleItem->SetVisible(true);
LayoutView();
}
}
int LayoutProcessInput( Layout layout, float display_x, float display_y,
int *row, int *column ) {
View view;
int lrow, lcolumn;
for ( lrow = 0; lrow < layout->rows; lrow++ ) {
for ( lcolumn = 0; lcolumn < layout->columns; lcolumn++ ) {
view = LayoutView( layout, lrow, lcolumn );
if ( ViewDisplayPointInside( view, display_x, display_y ) ) {
*row = lrow;
*column = lcolumn;
return( TRUE );
}
}
}
return( FALSE );
}
int LayoutInput( Layout layout, View *view, int *row, int *column ) {
float ix, iy;
int event;
event = DisplayInput( layout->display, &ix, &iy );
for ( *row = 0; *row < layout->rows; (*row)++ ) {
for ( *column = 0; *column < layout->columns; (*column)++ ) {
*view = LayoutView( layout, *row, *column );
if ( ViewDisplayPointInside( *view, ix, iy ) ) {
return( event );
}
}
}
*view = 0;
return( event );
}
