mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2024-11-11 04:54:06 +01:00
115 lines
3.3 KiB
Plaintext
115 lines
3.3 KiB
Plaintext
function scrollPane(_w, _h, ondraw) constructor {
|
|
scroll_y = 0;
|
|
scroll_y_raw = 0;
|
|
scroll_y_to = 0;
|
|
|
|
w = _w;
|
|
h = _h;
|
|
surface_w = _w - ui(12);
|
|
surface_h = _h;
|
|
surface = surface_create_valid(surface_w, surface_h);
|
|
|
|
drawFunc = ondraw;
|
|
|
|
content_h = 0;
|
|
hover = false;
|
|
is_scroll = true;
|
|
|
|
scroll_step = 64;
|
|
active = false;
|
|
|
|
is_scrolling = false;
|
|
scroll_ms = 0;
|
|
|
|
static resize = function(_w, _h) {
|
|
w = _w;
|
|
h = _h;
|
|
surface_w = _w - is_scroll * ui(12);
|
|
surface_h = _h;
|
|
|
|
if(surface_w > 1 && surface_h > 1) {
|
|
if(is_surface(surface))
|
|
surface_size_to(surface, surface_w, surface_h);
|
|
else
|
|
surface = surface_create_valid(surface_w, surface_h);
|
|
}
|
|
}
|
|
|
|
static draw = function(x, y, _mx = mouse_mx - x, _my = mouse_my - y) {
|
|
var mx = _mx, my = _my;
|
|
hover = point_in_rectangle(mx, my, 0, 0, surface_w, surface_h);
|
|
|
|
if(!is_surface(surface)) surface = surface_create_valid(surface_w, surface_h);
|
|
surface_set_target(surface);
|
|
draw_clear(COLORS.panel_bg_clear);
|
|
var hh = drawFunc(scroll_y, [mx, my], [x, y]);
|
|
content_h = max(0, hh - surface_h);
|
|
surface_reset_target();
|
|
|
|
var sc = is_scroll;
|
|
is_scroll = hh > surface_h;
|
|
if(sc != is_scroll)
|
|
resize(w, h);
|
|
|
|
scroll_y_raw = lerp_float(scroll_y_raw, scroll_y_to, 4);
|
|
scroll_y = round(scroll_y_raw);
|
|
draw_surface_safe(surface, x, y);
|
|
|
|
if(active && point_in_rectangle(mx, my, 0, 0, surface_w, surface_h)) {
|
|
if(mouse_wheel_down()) scroll_y_to = clamp(scroll_y_to - scroll_step, -content_h, 0);
|
|
if(mouse_wheel_up()) scroll_y_to = clamp(scroll_y_to + scroll_step, -content_h, 0);
|
|
}
|
|
|
|
if(abs(content_h) > 0) {
|
|
draw_scroll(x + surface_w + ui(4), y + ui(6), true, surface_h - ui(12), -scroll_y / content_h, surface_h / (surface_h + content_h),
|
|
COLORS.scrollbar_bg, COLORS.scrollbar_idle, COLORS.scrollbar_hover, x + _mx, y + _my);
|
|
}
|
|
}
|
|
|
|
static draw_scroll = function(scr_x, scr_y, is_vert, scr_s, scr_prog, scr_ratio, bg_col, bar_col, bar_hcol, mx, my) {
|
|
var scr_scale_s = scr_s * scr_ratio;
|
|
var scr_prog_s = scr_prog * (scr_s - scr_scale_s);
|
|
var scr_w, scr_h, bar_w, bar_h, bar_x, bar_y;
|
|
|
|
if(is_vert) {
|
|
scr_w = ui(sprite_get_width(THEME.ui_scrollbar));
|
|
scr_h = scr_s;
|
|
|
|
bar_w = ui(sprite_get_width(THEME.ui_scrollbar));
|
|
bar_h = scr_scale_s;
|
|
|
|
bar_x = scr_x;
|
|
bar_y = scr_y + scr_prog_s;
|
|
} else {
|
|
scr_w = scr_s;
|
|
scr_h = ui(sprite_get_width(THEME.ui_scrollbar));
|
|
|
|
bar_w = scr_scale_s;
|
|
bar_h = ui(sprite_get_width(THEME.ui_scrollbar));
|
|
|
|
bar_x = scr_x + scr_prog_s;
|
|
bar_y = scr_y;
|
|
}
|
|
|
|
if(is_scrolling) {
|
|
var delta = (is_vert? my : mx) - scroll_ms;
|
|
scroll_ms = is_vert? my : mx;
|
|
|
|
scroll_y_to -= (delta / scr_scale_s) * scr_s;
|
|
scroll_y_to = clamp(scroll_y_to, -content_h, 0);
|
|
|
|
if(mouse_release(mb_left))
|
|
is_scrolling = false;
|
|
}
|
|
|
|
draw_sprite_stretched_ext(THEME.ui_scrollbar, 0, scr_x, scr_y, scr_w, scr_h, bg_col, 1);
|
|
draw_sprite_stretched_ext(THEME.ui_scrollbar, 0, bar_x, bar_y, bar_w, bar_h, bar_col, 1);
|
|
if(active && point_in_rectangle(mx, my, scr_x - 2, scr_y - 2, scr_x + scr_w + 2, scr_y + scr_h + 2) || is_scrolling) {
|
|
draw_sprite_stretched_ext(THEME.ui_scrollbar, 0, bar_x, bar_y, bar_w, bar_h, bar_hcol, 1);
|
|
if(mouse_click(mb_left, active)) {
|
|
is_scrolling = true;
|
|
scroll_ms = is_vert? my : mx;
|
|
}
|
|
}
|
|
}
|
|
} |