int main ( G_GNUC_UNUSED int argc, G_GNUC_UNUSED char **argv )
{
scrollbar * sb = scrollbar_create ( NULL, "scrollbar" );
widget_resize ( WIDGET (sb), 10, 100);
scrollbar_set_handle ( NULL, 10213);
scrollbar_set_max_value ( NULL, 10 );
scrollbar_set_handle_length ( NULL , 1000);
scrollbar_set_max_value ( sb, 10000);
TASSERTE ( sb->length, 10000 );
scrollbar_set_handle_length ( sb, 10);
TASSERTE ( sb->pos_length, 10 );
scrollbar_set_handle ( sb , 5000 );
TASSERTE ( sb->pos, 5000 );
scrollbar_set_handle ( sb , 15000 );
TASSERTE ( sb->pos, 10000 );
scrollbar_set_handle ( sb , UINT32_MAX );
TASSERTE ( sb->pos, 10000 );
scrollbar_set_handle_length ( sb, 15000);
TASSERTE ( sb->pos_length, 10000 );
scrollbar_set_handle_length ( sb, 0);
TASSERTE ( sb->pos_length, 1 );
guint cl = scrollbar_scroll_get_line ( sb, 10 );
TASSERTE ( cl, 1010);
cl = scrollbar_scroll_get_line ( sb, 20 );
TASSERTE ( cl, 2020);
cl = scrollbar_scroll_get_line ( sb, 0 );
TASSERTE ( cl, 0);
cl = scrollbar_scroll_get_line ( sb, 99 );
TASSERTE ( cl, 9999);
scrollbar_set_handle_length ( sb, 1000);
cl = scrollbar_scroll_get_line ( sb, 10 );
TASSERTE ( cl, 555);
cl = scrollbar_scroll_get_line ( sb, 20 );
TASSERTE ( cl, 1666);
cl = scrollbar_scroll_get_line ( sb, 0 );
TASSERTE ( cl, 0);
cl = scrollbar_scroll_get_line ( sb, 99 );
TASSERTE ( cl, 9999);
widget_free( WIDGET (sb ) );
}
static void listview_draw ( widget *wid, cairo_t *draw )
{
unsigned int offset = 0;
listview *lv = (listview *) wid;
if ( lv->scroll_type == LISTVIEW_SCROLL_CONTINIOUS ) {
offset = scroll_continious ( lv );
}
else {
offset = scroll_per_page ( lv );
}
// Set these all together to make sure they update consistently.
scrollbar_set_max_value ( lv->scrollbar, lv->req_elements );
scrollbar_set_handle_length ( lv->scrollbar, lv->cur_columns * lv->max_rows );
if ( lv->reverse ) {
scrollbar_set_handle ( lv->scrollbar, lv->req_elements - lv->selected - 1 );
}
else {
scrollbar_set_handle ( lv->scrollbar, lv->selected );
}
lv->last_offset = offset;
int spacing_vert = distance_get_pixel ( lv->spacing, ORIENTATION_VERTICAL );
int spacing_hori = distance_get_pixel ( lv->spacing, ORIENTATION_HORIZONTAL );
int left_offset = widget_padding_get_left ( wid );
int top_offset = widget_padding_get_top ( wid );
if ( lv->scrollbar->widget.index == 0 ) {
left_offset += spacing_hori + lv->scrollbar->widget.w;
}
if ( lv->cur_elements > 0 && lv->max_rows > 0 ) {
// Set new x/y possition.
unsigned int max = MIN ( lv->cur_elements, lv->req_elements - offset );
if ( lv->rchanged ) {
unsigned int width = lv->widget.w - spacing_hori * ( lv->cur_columns - 1 );
width -= widget_padding_get_padding_width ( wid );
if ( widget_enabled ( WIDGET ( lv->scrollbar ) ) ) {
width -= spacing_hori;
width -= widget_get_width ( WIDGET ( lv->scrollbar ) );
}
unsigned int element_width = ( width ) / lv->cur_columns;
for ( unsigned int i = 0; i < max; i++ ) {
unsigned int ex = left_offset + ( ( i ) / lv->max_rows ) * ( element_width + spacing_hori );
if ( lv->reverse ) {
unsigned int ey = wid->h - ( widget_padding_get_bottom ( wid ) + ( ( i ) % lv->max_rows ) * ( lv->element_height + spacing_vert ) ) - lv->element_height;
textbox_moveresize ( lv->boxes[i], ex, ey, element_width, lv->element_height );
}
else {
unsigned int ey = top_offset + ( ( i ) % lv->max_rows ) * ( lv->element_height + spacing_vert );
textbox_moveresize ( lv->boxes[i], ex, ey, element_width, lv->element_height );
}
update_element ( lv, i, i + offset, TRUE );
widget_draw ( WIDGET ( lv->boxes[i] ), draw );
}
lv->rchanged = FALSE;
}
else {
for ( unsigned int i = 0; i < max; i++ ) {
update_element ( lv, i, i + offset, FALSE );
widget_draw ( WIDGET ( lv->boxes[i] ), draw );
}
}
}
widget_draw ( WIDGET ( lv->scrollbar ), draw );
}
