gg_rect_t gg_vbox_get_focus_pos(gg_widget_t *widget)
{
gg_box_t *box = GG_BOX(widget);
gg_container_t *container = GG_CONTAINER(widget);
int size = gg_container_get_size(container);
gg_widget_t *child;
gg_rect_t focus;
int nr = gg_container_get_size(container) - 1;
assert(box->sel != -1);
child = gg_container_get_child(container, box->sel);
focus = child->get_focus_pos(child);
while (nr > box->sel)
{
gg_widget_t *sibling = gg_container_get_child(container, nr);
focus.y += sibling->height_a;
nr--;
}
focus.y += (size - box->sel - 1) * box->spacing;
return focus;
}
int gg_vbox_set_focus_pos(gg_widget_t *widget, int x , int y)
{
gg_box_t *box = GG_BOX(widget);
gg_container_t *container = GG_CONTAINER(widget);
int size = gg_container_get_size(container);
int cur_y = box->height_a - box->height;
int prev = box->sel;
box->sel = size;
while (gg_select_prev(GG_SELECT(widget), 0, 0))
{
gg_widget_t *child = gg_container_get_child(container, box->sel);
cur_y += child->height_a;
if (cur_y > y)
{
if (!child->input || !child->enabled || !
child->set_focus_pos(child, x, child->height_a - (cur_y - y)))
break;
else
return 1;
}
cur_y += box->spacing;
}
box->sel = prev;
return 0;
}
void gg_vbox_get_requested_size(gg_widget_t *widget, int *width, int *height)
{
gg_container_t *container = GG_CONTAINER(widget);
gg_box_t *box = GG_BOX(widget);
int size = gg_container_get_size(container);
int i;
widget->width = 0;
widget->height = (size - 1) * box->spacing;
for (i = 0; i < size; i++)
{
int child_width, child_height;
gg_widget_t *child = gg_container_get_child(container, i);
child->get_requested_size(child, &child_width, &child_height);
if (child_width > widget->width)
widget->width = child_width;
widget->height += child_height;
if (child->enabled && child->input && (box->sel == -1))
box->sel = i;
}
gg_widget_get_requested_size(widget, width, height);
}
int gg_vbox_input(gg_widget_t *widget, gg_event_t event) {
gg_select_t *select = GG_SELECT(widget);
gg_box_t *box = GG_BOX(widget);
gg_widget_t *child;
gg_rect_t focus;
int retval = 0, x, y;
if (select->sel == -1)
return 0;
if (event.type == GG_EVENT_MOUSE) {
int nr = gg_container_get_size(GG_CONTAINER(widget));
event.mouse.y -= box->height_a - box->height;
while (--nr > select->sel) {
gg_widget_t *child = gg_container_get_child(GG_CONTAINER(widget), nr);
event.mouse.y -= child->height_a;
event.mouse.y -= box->spacing;
}
}
child = gg_container_get_child(GG_CONTAINER(widget), select->sel);
if (event.type == GG_EVENT_MOUSE) {
if (event.mouse.x < 0 || event.mouse.x >= child->width_a || event.mouse.y < 0 ||
event.mouse.y >= child->height_a)
return 0;
}
if (child->input(child, event))
return 1;
focus = child->get_focus_pos(child);
x = focus.x + focus.width / 2;
if (event.type == GG_EVENT_KEY && event.key == GG_KEY_UP) {
retval = gg_select_prev(select, 1, 1);
child = gg_container_get_child(GG_CONTAINER(widget), select->sel);
y = 0;
}
if (event.type == GG_EVENT_KEY && event.key == GG_KEY_DOWN) {
retval = gg_select_next(select, 1, 1);
child = gg_container_get_child(GG_CONTAINER(widget), select->sel);
y = child->height_a - 1;
}
if (retval) {
child->set_focus_pos(child, x, y);
return retval;
}
return 0;
}
void gg_vbox_set_size(gg_widget_t *widget, int width, int height) {
int i;
for (i = 0; i < gg_container_get_size(GG_CONTAINER(widget)); i++) {
gg_widget_t *child = gg_container_get_child(GG_CONTAINER(widget), i);
int item_height;
child->get_requested_size(child, NULL, &item_height);
child->set_size(child, width, item_height);
}
gg_set_size(widget, width, height);
}
void gg_ticker_render(gg_widget_t *widget, int x, int y, int focus) {
gg_box_t *box = GG_BOX(widget);
gg_rect_t rect;
rect.x = x;
rect.y = y;
rect.width = widget->width_a;
rect.height = widget->height_a;
gg_clipping_adjust(&rect);
int size = gg_container_get_size(GG_CONTAINER(widget));
int i;
gg_ticker_t *ticker = GG_TICKER(widget);
int child_x = ticker->width_a - ticker->offset;
for (i = 0; i < size; i++) {
gg_widget_t *child = gg_container_get_child(GG_CONTAINER(widget), i);
if (child_x < widget->width_a && child_x + child->width_a > 0) {
int focus_child;
if (focus == GG_FOCUS_ALL)
focus_child = GG_FOCUS_ALL;
else if (focus == GG_FOCUS_ONE)
focus_child = (box->sel == i ? GG_FOCUS_ONE : GG_FOCUS_NONE);
else
focus_child = 0;
child->render(child, x + child_x, y, focus_child);
}
child_x += child->width_a + ticker->spacing;
}
gg_clipping_undo();
if (child_x <= 0) {
ticker->start_time = gg_system_get_ticks();
ticker->offset = 0;
} else {
ticker->offset += 1;
}
ticker->offset = (gg_system_get_ticks() - ticker->start_time) * TICKER_SPEED / 1000;
gg_ticker_set_focus_pos(widget, GG_TICKER(widget)->focus_x, 0);
}
void gg_ticker_get_requested_size(gg_widget_t *widget, int *width, int *height) {
gg_container_t *container = GG_CONTAINER(widget);
int size = gg_container_get_size(container);
int i;
widget->height = 0;
for (i = 0; i < size; i++) {
int child_width, child_height;
gg_widget_t *child = gg_container_get_child(container, i);
child->get_requested_size(child, &child_width, &child_height);
if (child_height > widget->height)
widget->height = child_height;
}
gg_widget_get_requested_size(widget, width, height);
}
void gg_vbox_render(gg_widget_t *widget, int x, int y, int focus) {
gg_box_t *box = GG_BOX(widget);
int nr = gg_container_get_size(GG_CONTAINER(widget));
y += box->height_a - box->height;
while (--nr >= 0) {
int focus_child;
gg_widget_t *child = gg_container_get_child(GG_CONTAINER(widget), nr);
if (focus == GG_FOCUS_ALL)
focus_child = GG_FOCUS_ALL;
else if (focus == GG_FOCUS_ONE)
focus_child = (box->sel == nr ? GG_FOCUS_ONE : GG_FOCUS_NONE);
else
focus_child = 0;
child->render(child, x, y, focus_child);
y += child->height_a;
y += box->spacing;
}
}
