/*!
Callback invoked when mouse down event is received.
\author jfpatry
\date Created: 2000-09-17
\date Modified: 2000-09-17
*/
static void button_mouse_down_cb( void *widget,
winsys_mouse_button_t which_button,
int x, int y )
{
button_t *button = (button_t*) widget;
check_assertion( button != NULL, "button is NULL" );
if ( which_button != WS_LEFT_BUTTON ) {
return;
}
if ( !in_bbox( button, x, y ) ) {
return;
}
if ( ! button->enabled ) {
return;
}
if ( button->clicked == False ) {
print_debug( DEBUG_UI, "Button is down" );
button->clicked = True;
ui_set_dirty();
}
}
/*!
Callback invoked when mouse up event is received.
\author jfpatry
\date Created: 2000-09-17
\date Modified: 2000-09-17
*/
static void button_mouse_up_cb( void *widget,
winsys_mouse_button_t which_button,
int x, int y )
{
button_t *button = (button_t*) widget;
check_assertion( button != NULL, "button is NULL" );
if ( which_button != WS_LEFT_BUTTON ) {
return;
}
if ( ! button->enabled ) {
return;
}
if ( !in_bbox( button, x, y ) ) {
if ( button->clicked ) {
print_debug( DEBUG_UI, "Button is up (not clicked)" );
button->clicked = False;
ui_set_dirty();
}
return;
}
if ( button->clicked ) {
button->clicked = False;
print_debug( DEBUG_UI, "Button was clicked" );
button_perform_click_action( button );
ui_set_dirty();
}
}
void qtree_push_point(DATA *d, DPOINT *where) {
/* add a single point to the search tree structure in d->qtree_root */
/*
* do not do this while reading the data: suppose we'll never need
* a neighbourhood selection after all!
*/
if (! is_qtree_search(d))
return;
/* min_bbox = d->sel_rad * Q_STOP_AT; */
/*
* if this point is outside the current search tree,
* we need to add another level to the top and try again:
*/
while (! in_bbox(where, d->qtree_root->bb))
d->qtree_root = qtree_expand(where, d->qtree_root);
/*
* finally push the point onto the tree:
*/
qtree_push(where, &(d->qtree_root), 0);
return;
}
/*!
Callback invoked when mouse motion event is received.
\author jfpatry
\date Created: 2000-09-17
\date Modified: 2000-09-17
*/
static void button_mouse_motion_cb( void *widget, int x, int y )
{
button_t *button = (button_t*) widget;
check_assertion( button != NULL, "button is NULL" );
if ( ! button->enabled ) {
return;
}
if ( in_bbox( button, x, y ) ) {
if ( button->focused == False ) {
print_debug( DEBUG_UI, "Mouse entered button" );
button->focused = True;
ui_set_dirty();
}
} else {
if ( button->focused == True ) {
print_debug( DEBUG_UI, "Mouse left button" );
button->focused = False;
ui_set_dirty();
}
}
}
