mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2024-09-21 12:52:43 +02:00
99 lines
2.8 KiB
Plaintext
99 lines
2.8 KiB
Plaintext
function scrollPane(_w, _h, ondraw) constructor {
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scroll_y = 0;
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scroll_y_raw = 0;
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scroll_y_to = 0;
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w = _w;
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h = _h;
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surface_w = _w - 8;
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surface_h = _h;
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surface = surface_create(surface_w, surface_h);
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drawFunc = ondraw;
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content_h = 0;
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scroll_step = 64;
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active = false;
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is_scrolling = false;
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function resize(_w, _h) {
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w = _w;
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h = _h;
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surface_w = _w - 8;
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surface_h = _h;
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if(surface_w > 1 && surface_h > 1) {
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if(is_surface(surface))
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surface_size_to(surface, surface_w, surface_h);
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else
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surface = surface_create(surface_w, surface_h);
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}
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}
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function draw(x, y, _mx = mouse_mx - x, _my = mouse_my - y) {
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var mx = _mx, my = _my;
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if(!point_in_rectangle(mx, my, 0, 0, w, h)) {
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mx = -100;
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my = -100;
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}
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if(!is_surface(surface)) surface = surface_create(surface_w, surface_h);
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surface_set_target(surface);
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draw_clear(c_ui_blue_black);
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content_h = max(0, drawFunc(scroll_y, [mx, my]) - surface_h);
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surface_reset_target();
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scroll_y_to = clamp(scroll_y_to, -content_h, 0);
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scroll_y_raw = lerp_float(scroll_y_raw, scroll_y_to, 3);
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scroll_y = round(scroll_y_raw);
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draw_surface_safe(surface, x, y);
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if(active && point_in_rectangle(mx, my, 0, 0, surface_w, surface_h)) {
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if(mouse_wheel_down()) scroll_y_to = clamp(scroll_y_to - scroll_step, -content_h, 0);
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if(mouse_wheel_up()) scroll_y_to = clamp(scroll_y_to + scroll_step, -content_h, 0);
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}
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if(abs(content_h) > 0) {
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draw_scroll(x + surface_w + 6, y + 6, true, surface_h - 12, -scroll_y / content_h, surface_h / (surface_h + content_h), c_ui_blue_grey, c_ui_blue_white, x + _mx, y + _my);
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}
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}
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function draw_scroll(scr_x, scr_y, is_vert, scr_s, scr_prog, scr_size, bar_col, bar_hcol, mx, my) {
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var scr_scale_s = scr_s * scr_size;
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var scr_prog_s = scr_prog * (scr_s - scr_scale_s);
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var scr_w, scr_h, bar_w, bar_h, bar_x, bar_y;
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if(is_vert) {
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scr_w = 4;
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scr_h = scr_s;
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bar_w = 4;
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bar_h = scr_scale_s;
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bar_x = scr_x;
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bar_y = scr_y + scr_prog_s;
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} else {
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scr_w = scr_s;
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scr_h = 4;
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bar_w = scr_scale_s;
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bar_h = 4;
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bar_x = scr_x + scr_prog_s;
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bar_y = scr_y;
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}
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draw_sprite_stretched_ext(s_ui_scrollbar, 0, bar_x, bar_y, bar_w, bar_h, bar_col, 1);
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if(point_in_rectangle(mx, my, scr_x - 2, scr_y - 2, scr_x + scr_w + 2, scr_y + scr_h + 2) || is_scrolling) {
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draw_sprite_stretched_ext(s_ui_scrollbar, 0, bar_x, bar_y, bar_w, bar_h, bar_hcol, 1);
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if(mouse_check_button(mb_left)) {
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if(is_vert)
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scroll_y_to = clamp((my - scr_y - scr_scale_s / 2) / (scr_s - scr_scale_s), 0, 1) * -content_h;
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else
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scroll_y_to = clamp((mx - scr_x - scr_scale_s / 2) / (scr_s - scr_scale_s), 0, 1) * -content_h;
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is_scrolling = true;
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} else
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is_scrolling = false;
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} else
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is_scrolling = false;
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}
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} |