Пример #1
0
 bool button(const rect & r, const std::string & label)
 {
     fill_rect(r, { 1, 1, 1 });
     fill_rect(r.shrink(2), r.contains(cursor) ? (mouse_down ? color{ 0.3f, 0.3f, 0.3f } : color{ 0.4f, 0.4f, 0.4f }) : color{ 0.5f, 0.5f, 0.5f });
     glColor3f(1, 1, 1);
     draw_text(r.x0 + 4, r.y1 - 8, label.c_str());
     return click && r.contains(cursor);
 }
Пример #2
0
    bool slider(int id, const rect & r, double min, double max, double step, double & value, bool disable_dragger = false)
    {
        bool changed = false;
        const int w = r.x1 - r.x0, h = r.y1 - r.y0;
        double p = (w - h) * (value - min) / (max - min);
        if (mouse_down && clicked_id == id)
        {
            p = std::max(0.0, std::min<double>(cursor.x - clicked_offset.x - r.x0, w - h));
            double new_value = min + p * (max - min) / (w - h);
            if (step) new_value = std::round((new_value - min) / step) * step + min;
            changed = new_value != value;
            value = new_value;
            p = (w - h) * (value - min) / (max - min);
        }
        const rect dragger = { int(r.x0 + p), int(r.y0), int(r.x0 + p + h), int(r.y1) };
        if (click && dragger.contains(cursor) && !disable_dragger)
        {
            clicked_offset = { cursor.x - dragger.x0, cursor.y - dragger.y0 };
            clicked_id = id;
        }
        fill_rect(r, { 0.5, 0.5, 0.5 });

        if (!disable_dragger)
            fill_rect(dragger, { 1, 1, 1 });

        return changed;
    }
 void mouseup (point p)
 {
   if (box.contains (p)) {
     invert ();
     (*cb) ();
   }
 }
Пример #4
0
 void vscroll(const rect & r, int client_height, int & offset)
 {
     if (r.contains(cursor)) offset -= scroll_vec.y * 20;
     offset = std::min(offset, client_height - (r.y1 - r.y0));
     offset = std::max(offset, 0);
     if (client_height <= r.y1 - r.y0) return;
     auto bar = r; bar.x0 = bar.x1 - 10;
     auto dragger = bar;
     dragger.y0 = bar.y0 + offset * (r.y1 - r.y0) / client_height;
     dragger.y1 = bar.y0 + (offset + r.y1 - r.y0) * (r.y1 - r.y0) / client_height;
     fill_rect(bar, { 0.5, 0.5, 0.5 });
     fill_rect(dragger, { 1, 1, 1 });
 }
Пример #5
0
 bool checkbox(const rect & r, bool & value)
 {
     bool changed = false;
     if (click && r.contains(cursor))
     {
         value = !value;
         changed = true;
     }
     fill_rect(r, { 1, 1, 1 });
     fill_rect(r.shrink(1), { 0.5, 0.5, 0.5 });
     if (value) fill_rect(r.shrink(3), { 1, 1, 1 });
     return changed;
 }
 void mouseup (point p) {
   if (bounds.contains (p)) {
     select ();
     dirty ();
   }
 }