static gboolean listview_clicked ( widget *wid, xcb_button_press_event_t *xce, G_GNUC_UNUSED void *udata )
{
listview *lv = (listview *) wid;
lv->scrollbar_scroll = FALSE;
if ( widget_enabled ( WIDGET ( lv->scrollbar ) ) && widget_intersect ( WIDGET ( lv->scrollbar ), xce->event_x, xce->event_y ) ) {
// Forward to handler of scrollbar.
xcb_button_press_event_t xce2 = *xce;
xce->event_x -= widget_get_x_pos ( WIDGET ( lv->scrollbar ) );
xce->event_y -= widget_get_y_pos ( WIDGET ( lv->scrollbar ) );
lv->scrollbar_scroll = TRUE;
return widget_clicked ( WIDGET ( lv->scrollbar ), &xce2 );
}
// Handle the boxes.
unsigned int max = MIN ( lv->cur_elements, lv->req_elements - lv->last_offset );
for ( unsigned int i = 0; i < max; i++ ) {
widget *w = WIDGET ( lv->boxes[i] );
if ( widget_intersect ( w, xce->event_x, xce->event_y ) ) {
if ( ( lv->last_offset + i ) == lv->selected ) {
if ( ( xce->time - lv->last_click ) < 200 ) {
// Somehow signal we accepted item.
lv->mouse_activated ( lv, xce, lv->mouse_activated_data );
}
}
else {
listview_set_selected ( lv, lv->last_offset + i );
}
lv->last_click = xce->time;
return TRUE;
}
}
return FALSE;
}
static gboolean listview_motion_notify ( widget *wid, xcb_motion_notify_event_t *xme )
{
listview *lv = (listview *) wid;
if ( widget_enabled ( WIDGET ( lv->scrollbar ) ) && lv->scrollbar_scroll ) {
xcb_motion_notify_event_t xle = *xme;
xle.event_x -= wid->x;
xle.event_y -= wid->y;
widget_motion_notify ( WIDGET ( lv->scrollbar ), &xle );
return TRUE;
}
return FALSE;
}
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 );
}
int main ( G_GNUC_UNUSED int argc, G_GNUC_UNUSED char **argv )
{
// box 20 by 40
widget *wid= (widget*)g_malloc0(sizeof(widget));
widget_resize ( wid, 20, 40);
widget_move ( wid, 10, 10);
// Getter, setter x pos
//
TASSERT( widget_get_x_pos ( wid ) == 10 );
TASSERT( widget_get_y_pos ( wid ) == 10 );
// Left of box
TASSERT ( widget_intersect ( wid, 0, 0) == 0 );
TASSERT ( widget_intersect ( wid, 0, 10) == 0 );
TASSERT ( widget_intersect ( wid, 0, 25) == 0 );
TASSERT ( widget_intersect ( wid, 0, 40) == 0 );
TASSERT ( widget_intersect ( wid, 0, 50) == 0 );
TASSERT ( widget_intersect ( wid, 9, 0) == 0 );
TASSERT ( widget_intersect ( wid, 9, 10) == 0 );
TASSERT ( widget_intersect ( wid, 9, 25) == 0 );
TASSERT ( widget_intersect ( wid, 9, 40) == 0 );
TASSERT ( widget_intersect ( wid, 9, 50) == 0 );
TASSERT ( widget_intersect ( wid, 10, 0) == 0 );
TASSERT ( widget_intersect ( wid, 10, 10) == 1 );
TASSERT ( widget_intersect ( wid, 10, 25) == 1 );
TASSERT ( widget_intersect ( wid, 10, 40) == 1 );
TASSERT ( widget_intersect ( wid, 10, 50) == 0 );
// Middle
TASSERT ( widget_intersect ( wid, 25, 0) == 0 );
TASSERT ( widget_intersect ( wid, 25, 10) == 1 );
TASSERT ( widget_intersect ( wid, 25, 25) == 1 );
TASSERT ( widget_intersect ( wid, 25, 40) == 1 );
TASSERT ( widget_intersect ( wid, 25, 50) == 0 );
// Right
TASSERT ( widget_intersect ( wid, 29, 0) == 0 );
TASSERT ( widget_intersect ( wid, 29, 10) == 1 );
TASSERT ( widget_intersect ( wid, 29, 25) == 1 );
TASSERT ( widget_intersect ( wid, 29, 40) == 1 );
TASSERT ( widget_intersect ( wid, 29, 50) == 0 );
TASSERT ( widget_intersect ( wid, 30, 0) == 0 );
TASSERT ( widget_intersect ( wid, 30, 10) == 0 );
TASSERT ( widget_intersect ( wid, 30, 25) == 0 );
TASSERT ( widget_intersect ( wid, 30, 40) == 0 );
TASSERT ( widget_intersect ( wid, 30, 50) == 0 );
widget_move ( wid, 30, 30);
// Left of box
TASSERT ( widget_intersect ( wid, 10, 20) == 0 );
TASSERT ( widget_intersect ( wid, 10, 30) == 0 );
TASSERT ( widget_intersect ( wid, 10, 45) == 0 );
TASSERT ( widget_intersect ( wid, 10, 60) == 0 );
TASSERT ( widget_intersect ( wid, 10, 70) == 0 );
TASSERT ( widget_intersect ( wid, 19, 20) == 0 );
TASSERT ( widget_intersect ( wid, 19, 30) == 0 );
TASSERT ( widget_intersect ( wid, 19, 45) == 0 );
TASSERT ( widget_intersect ( wid, 19, 60) == 0 );
TASSERT ( widget_intersect ( wid, 19, 70) == 0 );
TASSERT ( widget_intersect ( wid, 30, 20) == 0 );
TASSERT ( widget_intersect ( wid, 30, 30) == 1 );
TASSERT ( widget_intersect ( wid, 30, 45) == 1 );
TASSERT ( widget_intersect ( wid, 30, 60) == 1 );
TASSERT ( widget_intersect ( wid, 30, 70) == 0 );
// Middle
TASSERT ( widget_intersect ( wid, 20+25,20+ 0) == 0 );
TASSERT ( widget_intersect ( wid, 20+25,20+ 10) == 1 );
TASSERT ( widget_intersect ( wid, 20+25,20+ 25) == 1 );
TASSERT ( widget_intersect ( wid, 20+25,20+ 40) == 1 );
TASSERT ( widget_intersect ( wid, 20+25,20+ 50) == 0 );
TASSERT ( widget_intersect ( wid, 20+29, 20+0) == 0 );
TASSERT ( widget_intersect ( wid, 20+29, 20+10) == 1 );
TASSERT ( widget_intersect ( wid, 20+29, 20+25) == 1 );
TASSERT ( widget_intersect ( wid, 20+29, 20+40) == 1 );
TASSERT ( widget_intersect ( wid, 20+29, 20+50) == 0 );
TASSERT ( widget_intersect ( wid, 20+30, 20+0) == 0 );
TASSERT ( widget_intersect ( wid, 20+30, 20+10) == 0 );
TASSERT ( widget_intersect ( wid, 20+30, 20+25) == 0 );
TASSERT ( widget_intersect ( wid, 20+30, 20+40) == 0 );
TASSERT ( widget_intersect ( wid, 20+30, 20+50) == 0 );
// Right
TASSERT ( widget_intersect ( wid, 20+29, 20+0) == 0 );
TASSERT ( widget_intersect ( wid, 20+29, 20+10) == 1 );
TASSERT ( widget_intersect ( wid, 20+29, 20+25) == 1 );
TASSERT ( widget_intersect ( wid, 20+29, 20+40) == 1 );
TASSERT ( widget_intersect ( wid, 20+29, 20+50) == 0 );
TASSERT ( widget_intersect ( wid, 20+30, 20+0) == 0 );
TASSERT ( widget_intersect ( wid, 20+30, 20+10) == 0 );
TASSERT ( widget_intersect ( wid, 20+30, 20+25) == 0 );
TASSERT ( widget_intersect ( wid, 20+30, 20+40) == 0 );
TASSERT ( widget_intersect ( wid, 20+30, 20+50) == 0 );
TASSERT ( widget_intersect ( wid, -100, -100) == 0);
TASSERT ( widget_intersect ( wid, INT_MIN, INT_MIN) == 0);
TASSERT ( widget_intersect ( wid, INT_MAX, INT_MAX) == 0);
// Other wrappers.
TASSERT ( widget_get_height ( wid ) == wid->h);
TASSERT ( widget_get_width ( wid ) == wid->w);
TASSERT ( widget_enabled ( wid ) == FALSE );
widget_enable ( wid );
TASSERT ( widget_enabled ( wid ) == TRUE );
widget_disable ( wid );
TASSERT ( widget_enabled ( wid ) == FALSE );
// Null pointer tests.
TASSERT ( widget_intersect ( NULL, 0, 0) == 0 );
widget_move ( NULL, 0, 0 );
TASSERT ( widget_get_height ( NULL ) == 0);
TASSERT ( widget_get_width ( NULL ) == 0);
TASSERT ( widget_enabled ( NULL ) == 0);
widget_disable ( NULL );
widget_enable ( NULL );
widget_draw ( NULL, NULL );
widget_free ( NULL );
widget_resize ( NULL, 0, 0);
widget_update ( NULL );
widget_queue_redraw ( NULL );
TASSERT (widget_need_redraw ( NULL ) == FALSE);
widget_clicked ( NULL, NULL );
widget_set_clicked_handler ( NULL, NULL, NULL );
g_free(wid);
}
