Pixel-Composer/scripts/slider/slider.gml
2023-01-01 08:06:02 +07:00

89 lines
2.4 KiB
Plaintext

function slider(_min, _max, _step, _onModify = noone, _onRelease = noone) constructor {
active = false;
hover = false;
minn = _min; curr_minn = _min;
maxx = _max; curr_maxx = _max;
step = _step;
onModify = _onModify;
onRelease = _onRelease;
onApply = function(val) {
if(onModify) onModify(val);
if(onRelease) onRelease();
}
dragging = false;
drag_mx = 0;
drag_sx = 0;
hdw = ui(20);
tb_value = new textBox(TEXTBOX_INPUT.float, onApply);
static draw = function(_x, _y, _w, _h, _data, _m, tb_w = 64, halign = fa_left, valign = fa_top) {
switch(halign) {
case fa_left: _x = _x; break;
case fa_center: _x = _x - _w / 2; break;
case fa_right: _x = _x - _w; break;
}
switch(valign) {
case fa_top: _y = _y; break;
case fa_center: _y = _y - _h / 2; break;
case fa_bottom: _y = _y - _h; break;
}
var _rang = abs(maxx - minn);
if(!dragging) {
curr_minn = (_data >= minn)? minn : minn - ceil(abs(_data - minn) / _rang) * _rang;
curr_maxx = (_data <= maxx)? maxx : maxx + ceil(abs(_data - maxx) / _rang) * _rang;
}
var sw = _w - (tb_w + ui(16));
tb_value.hover = hover;
tb_value.active = active;
tb_value.draw(_x + sw + ui(16), _y, tb_w, _h, _data, _m);
draw_sprite_stretched(THEME.slider, 0, _x, _y + _h / 2 - ui(4), sw, ui(8));
var _kx = _x + clamp((_data - curr_minn) / (curr_maxx - curr_minn), 0, 1) * sw;
draw_sprite_stretched(THEME.slider, 1, _kx - hdw / 2, _y, hdw, _h);
if(dragging) {
draw_sprite_stretched(THEME.slider, 3, _kx - hdw / 2, _y, hdw, _h);
var val = (_m[0] - _x) / sw * (curr_maxx - curr_minn) + curr_minn;
val = round(val / step) * step;
val = clamp(val, curr_minn, curr_maxx);
if(key_mod_press(CTRL))
val = round(val);
if(onModify != noone)
onModify(val);
UNDO_HOLDING = true;
if(mouse_release(mb_left)) {
dragging = false;
if(onRelease != noone)
onRelease(val);
UNDO_HOLDING = false;
}
} else {
if(hover && (point_in_rectangle(_m[0], _m[1], _x, _y, _x + sw, _y + _h) || point_in_rectangle(_m[0], _m[1], _kx - hdw / 2, _y, _kx + hdw / 2, _y + _h))) {
draw_sprite_stretched(THEME.slider, 2, _kx - hdw / 2, _y, hdw, _h);
if(mouse_press(mb_left, active)) {
dragging = true;
drag_mx = _m[0];
drag_sx = _data;
}
}
}
hover = false;
active = false;
}
}