static int do_outline_imp(fz_outline *node, int end, int x0, int x1, int x, int y)
{
int h = 0;
int p = currentpage;
int n = end;
while (node)
{
if (node->dest.kind == FZ_LINK_GOTO)
{
p = node->dest.ld.gotor.page;
if (ui.x >= x0 && ui.x < x1 && ui.y >= y + h && ui.y < y + h + ui.lineheight)
{
ui.hot = node;
if (!ui.active && ui.down)
{
ui.active = node;
jump_to_page(p);
ui_needs_update = 1; /* we changed the current page, so force a redraw */
}
}
n = end;
if (node->next && node->next->dest.kind == FZ_LINK_GOTO)
{
n = node->next->dest.ld.gotor.page;
}
if (currentpage == p || (currentpage > p && currentpage < n))
{
glColor4f(0.9f, 0.9f, 0.9f, 1.0f);
glRectf(x0, y + h, x1, y + h + ui.lineheight);
}
}
glColor4f(0, 0, 0, 1);
ui_draw_string(ctx, x, y + h + ui.baseline, node->title);
h += ui.lineheight;
if (node->down)
h += do_outline_imp(node->down, n, x0, x1, x + ui.lineheight, y + h);
node = node->next;
}
return h;
}
static void do_outline(fz_outline *node, int outline_w)
{
static char *id = "outline";
static int outline_scroll_y = 0;
static int saved_outline_scroll_y = 0;
static int saved_ui_y = 0;
int outline_h;
int total_h;
outline_w -= ui.lineheight;
outline_h = window_h;
total_h = measure_outline_height(outline);
if (ui.x >= 0 && ui.x < outline_w && ui.y >= 0 && ui.y < outline_h)
{
ui.hot = id;
if (!ui.active && ui.middle)
{
ui.active = id;
saved_ui_y = ui.y;
saved_outline_scroll_y = outline_scroll_y;
}
}
if (ui.active == id)
outline_scroll_y = saved_outline_scroll_y + (saved_ui_y - ui.y) * 5;
if (ui.hot == id)
outline_scroll_y -= ui.scroll_y * ui.lineheight * 3;
ui_scrollbar(outline_w, 0, outline_w+ui.lineheight, outline_h, &outline_scroll_y, outline_h, total_h);
glScissor(0, 0, outline_w, outline_h);
glEnable(GL_SCISSOR_TEST);
glColor4f(1, 1, 1, 1);
glRectf(0, 0, outline_w, outline_h);
do_outline_imp(outline, fz_count_pages(ctx, doc), 0, outline_w, 10, -outline_scroll_y);
glDisable(GL_SCISSOR_TEST);
}
