//
// Scrollpane - Resize the scrollbars based on the targets state.
//
static void EZ_scrollpane_ResizeScrollbars(ez_scrollpane_t *scrollpane)
{
ez_control_t *scrollpane_ctrl = (ez_control_t *)scrollpane;
ez_control_t *v_scroll_ctrl = (ez_control_t *)scrollpane->v_scrollbar;
ez_control_t *h_scroll_ctrl = (ez_control_t *)scrollpane->h_scrollbar;
// qbool size_changed = false;
qbool show_v = (scrollpane->ext_flags & always_h_scrollbar) || (scrollpane->int_flags & show_v_scrollbar);
qbool show_h = (scrollpane->ext_flags & always_v_scrollbar) || (scrollpane->int_flags & show_h_scrollbar);
int rh_size_v = (scrollpane_ctrl->ext_flags & control_resize_v ? scrollpane_ctrl->resize_handle_thickness : 0);
int rh_size_h = (scrollpane_ctrl->ext_flags & control_resize_h ? scrollpane_ctrl->resize_handle_thickness : 0);
EZ_control_SetVisible((ez_control_t *)scrollpane->v_scrollbar, show_v);
EZ_control_SetVisible((ez_control_t *)scrollpane->h_scrollbar, show_h);
// Resize the scrollbars depending on if both are shown or not.
EZ_control_SetSize(v_scroll_ctrl,
scrollpane->scrollbar_thickness,
scrollpane_ctrl->height - (show_h ? scrollpane->scrollbar_thickness : 0) - (2 * rh_size_v));
EZ_control_SetSize(h_scroll_ctrl,
scrollpane_ctrl->width - (show_v ? scrollpane->scrollbar_thickness : 0) - (2 * rh_size_h),
scrollpane->scrollbar_thickness);
// Resize the target control so that it doesn't overlap with the scrollbars.
if (scrollpane->target)
{
// Since this resize operation is going to raise a new OnResize event on the target control
// which in turn calls this function again we only change the size of the target to fit
// within the scrollbars when the scrollbars actually changed size. Otherwise we'd get an infinite recursion.
EZ_scrollpane_AdjustTargetSize(scrollpane);
}
}
//
// Scrollpane - Initializes a Scrollpane.
//
void EZ_scrollpane_Init(ez_scrollpane_t *scrollpane, ez_tree_t *tree, ez_control_t *parent,
char *name, char *description,
int x, int y, int width, int height,
ez_control_flags_t flags)
{
int rh_size_h = 0;
int rh_size_v = 0;
ez_control_t *scrollpane_ctrl = (ez_control_t *)scrollpane;
// Initialize the inherited class first.
EZ_control_Init(&scrollpane->super, tree, parent, name, description, x, y, width, height, flags);
// Initilize the button specific stuff.
((ez_control_t *)scrollpane)->CLASS_ID = EZ_SCROLLPANE_ID;
((ez_control_t *)scrollpane)->ext_flags |= (flags | control_focusable | control_contained | control_resizeable);
// Override control events.
CONTROL_REGISTER_EVENT(scrollpane, EZ_scrollpane_OnResize, OnResize, ez_control_t);
// Scrollpane specific events.
CONTROL_REGISTER_EVENT(scrollpane, EZ_scrollpane_OnTargetChanged, OnTargetChanged, ez_scrollpane_t);
CONTROL_REGISTER_EVENT(scrollpane, EZ_scrollpane_OnScrollbarThicknessChanged, OnScrollbarThicknessChanged, ez_scrollpane_t);
scrollpane->scrollbar_thickness = 10;
rh_size_h = (scrollpane_ctrl->ext_flags & control_resize_h) ? scrollpane_ctrl->resize_handle_thickness : 0;
rh_size_v = (scrollpane_ctrl->ext_flags & control_resize_v) ? scrollpane_ctrl->resize_handle_thickness : 0;
EZ_control_SetMinVirtualSize(scrollpane_ctrl, 1, 1);
scrollpane->int_flags |= (show_h_scrollbar | show_v_scrollbar);
// Create vertical scrollbar.
{
scrollpane->v_scrollbar = EZ_scrollbar_Create(tree, scrollpane_ctrl, "Vertical scrollbar", "", 0, 0, 10, 10, control_anchor_viewport);
EZ_control_SetVisible((ez_control_t *)scrollpane->v_scrollbar, true);
EZ_control_SetPosition((ez_control_t *)scrollpane->v_scrollbar, -rh_size_h, rh_size_v);
EZ_control_SetAnchor((ez_control_t *)scrollpane->v_scrollbar, (anchor_top | anchor_bottom | anchor_right));
EZ_scrollbar_SetTargetIsParent(scrollpane->v_scrollbar, false);
EZ_control_AddChild(scrollpane_ctrl, (ez_control_t *)scrollpane->v_scrollbar);
}
// Create horizontal scrollbar.
{
scrollpane->h_scrollbar = EZ_scrollbar_Create(tree, (ez_control_t *)scrollpane, "Horizontal scrollbar", "", 0, 0, 10, 10, control_anchor_viewport);
EZ_control_SetVisible((ez_control_t *)scrollpane->h_scrollbar, true);
EZ_control_SetPosition((ez_control_t *)scrollpane->h_scrollbar, rh_size_h, -rh_size_v);
EZ_control_SetAnchor((ez_control_t *)scrollpane->h_scrollbar, (anchor_left | anchor_bottom | anchor_right));
EZ_scrollbar_SetTargetIsParent(scrollpane->h_scrollbar, false);
EZ_scrollbar_SetIsVertical(scrollpane->h_scrollbar, false);
EZ_control_AddChild(scrollpane_ctrl, (ez_control_t *)scrollpane->h_scrollbar);
}
EZ_scrollpane_ResizeScrollbars(scrollpane);
}
//
// Listview item - Sets if a column should be visible or not.
//
void EZ_listviewitem_SetColumnVisible(ez_listviewitem_t *self, int column, qbool visible)
{
if (!VALID_COLUMN(column))
return;
self->item_visibile[column] = visible;
EZ_control_SetVisible((ez_control_t *)self->items[column], visible);
CONTROL_RAISE_EVENT(NULL, self, ez_listviewitem_t, OnColumnVisibilityChanged, (void *)column);
}
