void ScrollView::ScrollBar::display() {
int h = view->scroll_bar_bottom - view->scroll_bar_top;
resize(get_w(), h * h/view->display_view->get_h());
static GUIImage top("GUIImages/scroll_bar_vert5.bmp");
static GUIImage mid("GUIImages/scroll_bar_vert7.bmp");
static GUIImage bottom("GUIImages/scroll_bar_vert6.bmp");
draw_onto_self(top, VGPoint());
for (int i = top.geth(); i < get_h()-bottom.geth(); i+=mid.geth()) {
draw_onto_self(mid, VGPoint(0,i));
}
draw_onto_self(bottom, VGPoint(0, get_h()-bottom.geth()));
}
void ScrollView::ScrollBarBg::display() {
static GUIImage top("GUIImages/scroll_bar_vert0.bmp");
static GUIImage mid("GUIImages/scroll_bar_vert4.bmp");
static GUIImage bottom("GUIImages/scroll_bar_vert1.bmp");
draw_onto_self(top, VGPoint());
view->scroll_bar_top = top.geth() - 13; // HACK!!
view->scroll_bar_bottom = get_h() + 7 - (view->arrow_up.get_h()+view->arrow_down.get_h()); // HACK!!
int bottom_of_drawing = view->scroll_bar_bottom-bottom.geth();
for (int i = top.geth(); i < bottom_of_drawing; i+=mid.geth()) {
draw_onto_self(mid, VGPoint(0,i));
}
draw_onto_self(bottom, VGPoint(0, bottom_of_drawing));
}
ScrollView::ScrollView(int w_, int h_, View *display_view_)
:View(w_,h_),
scroll_bar(SCROLL_BAR_W, h_ * h_/display_view_->get_h(), this),
scroll_bar_bg(SCROLL_BAR_W, h_, this),
arrow_up(true, GUIImage("GUIImages/scroll_bar_vert2.bmp")),
arrow_down(false, GUIImage("GUIImages/scroll_bar_vert3.bmp")),
display_view(display_view_),
w_init(w_), h_init(h_),
scroll_y(0), scroll_y_vel(0), scrolling(false)
{
SDL_Color clear = {0xff, 0, 0xff};
GUIImage bg = GUIImage::create_filled(w_, h_, clear);
draw_onto_self(bg, VGPoint());
set_clear_color(clear);
attach_subview(display_view_, VGPoint());
if (display_view->get_h() <= get_h()) {
scrollable = false;
resize(min(display_view->get_w(), w_),
min(display_view->get_h(), h_));
return; // todo Remove to so you can resize later.
}
scrollable = true;
scroll_bar_bg.display();
scroll_bar.display();
scroll_bar_x = get_w()-scroll_bar_bg.get_w();
attach_subview(&scroll_bar_bg, VGPoint(scroll_bar_x, 0));
attach_subview(&arrow_up, VGPoint(scroll_bar_x, scroll_bar_bottom-7)); // HACK!!
attach_subview(&arrow_down, VGPoint(scroll_bar_x, scroll_bar_bottom-7+arrow_up.get_h())); // HACK!!
attach_subview(&scroll_bar, VGPoint(scroll_bar_x, scroll_bar_top));
}
void View::fill_with_color(SDL_Color color) {
draw_onto_self(GUIImage::create_filled(w, h, color), DispPoint());
}
