Pixel-Composer/scripts/panel_data/panel_data.gml
2022-01-25 16:58:11 +07:00

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enum ANCHOR {
none = 0,
top = 1,
bottom = 2,
left = 4,
right = 8
}
function Panel(_parent, _x, _y, _w, _h) constructor {
parent = _parent;
if(parent) ds_list_add(parent.childs, self);
content = noone;
childs = ds_list_create();
anchor = ANCHOR.none;
x = _x;
y = _y;
w = _w;
h = _h;
min_w = 32;
min_h = 32;
dragging = -1;
drag_sval = 0;
drag_sm = 0;
content_surface = surface_create(w, h);
mask_surface = surface_create(w, h);
function resetMask() {
surface_set_target(mask_surface);
draw_clear(c_black);
gpu_set_blendmode(bm_subtract);
draw_sprite_stretched(s_ui_panel_bg, 0, 2, 2, w - 4, h - 4);
gpu_set_blendmode(bm_normal);
surface_reset_target();
}
resetMask();
function refresh() {
if(is_surface(content_surface) && surface_exists(content_surface))
surface_size_to(content_surface, w, h);
else
content_surface = surface_create(w, h);
if(is_surface(mask_surface) && surface_exists(mask_surface))
surface_size_to(mask_surface, w, h);
else
mask_surface = surface_create(w, h);
resetMask();
if(content != noone)
content.refresh();
for( var i = 0; i < ds_list_size(childs); i++ ) {
childs[| i].refresh();
}
}
function move(dx, dy) {
x += dx;
y += dy;
for(var i = 0; i < ds_list_size(childs); i++) {
var _panel = childs[| i];
_panel.move(dx, dy);
}
if(content) {
content.x = x;
content.y = y;
}
}
function resizable(dw, dh, oppose = ANCHOR.left) {
if(content && (w + dw < content.min_w || h + dh < content.min_h)) {
return false;
}
var rec = true;
for(var i = 0; i < ds_list_size(childs); i++) {
var panel = childs[| i];
if(panel.anchor != oppose || panel.content == noone)
if(!panel.resizable(dw, dh))
return false;
}
return true;
}
function resize(dw, dh, oppose = ANCHOR.left) {
if(dw == 0 && dh == 0) return;
var _w = dw, _h = dh;
for(var i = 0; i < ds_list_size(childs); i++) {
var panel = childs[| i];
if(panel.anchor != oppose || panel.content == noone)
panel.resize(dw, dh, oppose);
}
w = max(w + dw, min_w);
h = max(h + dh, min_h);
if(w > 1 && h > 1) {
if(is_surface(content_surface))
surface_size_to(content_surface, w, h);
if(is_surface(mask_surface))
surface_size_to(mask_surface, w, h);
else
mask_surface = surface_create(w, h);
resetMask();
}
if(content) {
content.w = w;
content.h = h;
content.onResize();
}
}
function set(_content) {
content = _content;
content.panel = self;
content.x = x;
content.y = y;
content.w = w;
content.h = h;
}
function split_h(_w) {
if(_w < 0) _w = w + _w;
var _panelParent = new Panel(parent, x, y, w, h);
_panelParent.anchor = anchor;
var _panelL = self;
ds_list_add(_panelParent.childs, _panelL);
var _panelR = new Panel(_panelParent, x + _w, y, w - _w, h);
_panelR.anchor = ANCHOR.right;
var prev_w = w;
w = _w;
if(content) {
content.w = w;
content.onResize();
}
if(parent == noone) PANEL_MAIN = _panelParent;
else {
ds_list_delete(parent.childs, ds_list_find_index(parent.childs, self));
}
parent = _panelParent;
anchor = ANCHOR.left;
if(content) content = noone;
return [ _panelL, _panelR ];
}
function split_v(_h) {
if(_h < 0) _h = h + _h;
var _panelParent = new Panel(parent, x, y, w, h);
_panelParent.anchor = anchor;
var _panelT = self;
ds_list_add(_panelParent.childs, _panelT);
var _panelB = new Panel(_panelParent, x, y + _h, w, h - _h);
_panelB.anchor = ANCHOR.bottom;
var prev_h = h;
h = _h;
if(content) {
content.h = h;
content.onResize();
}
if(parent == noone) PANEL_MAIN = _panelParent;
else {
ds_list_delete(parent.childs, ds_list_find_index(parent.childs, self));
}
parent = _panelParent;
anchor = ANCHOR.top;
if(content) content = noone;
return [_panelT, _panelB];
}
function stepBegin() {
if(content) content.onStepBegin();
if(dragging == 1) {
var _mx = clamp(mouse_mx, 16, WIN_W - 16);
var dw = _mx - drag_sm;
var res = true;
for(var i = 0; i < ds_list_size(childs); i++) {
var _panel = childs[| i];
switch(_panel.anchor) {
case ANCHOR.left:
res &= _panel.resizable(dw, 0, ANCHOR.left);
break;
case ANCHOR.right:
res &= _panel.resizable(-dw, 0, ANCHOR.right);
break;
}
}
if(res) {
drag_sm = _mx;
for(var i = 0; i < ds_list_size(childs); i++) {
var _panel = childs[| i];
switch(_panel.anchor) {
case ANCHOR.left:
_panel.resize(dw, 0, ANCHOR.left);
break;
case ANCHOR.right:
_panel.resize(-dw, 0, ANCHOR.right);
_panel.move(dw, 0);
break;
}
}
}
if(mouse_check_button_released(mb_left)) dragging = -1;
} else if(dragging == 2) {
var _my = clamp(mouse_my, 16, WIN_H - 16);
var dh = _my - drag_sm;
var res = true;
for(var i = 0; i < ds_list_size(childs); i++) {
var _panel = childs[| i];
switch(_panel.anchor) {
case ANCHOR.top:
res &= _panel.resizable(0, dh, ANCHOR.top);
break;
case ANCHOR.bottom:
res &= _panel.resizable(0, -dh, ANCHOR.bottom);
break;
}
}
if(res) {
drag_sm = _my;
for(var i = 0; i < ds_list_size(childs); i++) {
var _panel = childs[| i];
switch(_panel.anchor) {
case ANCHOR.top:
_panel.resize(0, dh, ANCHOR.top);
break;
case ANCHOR.bottom:
_panel.resize(0, -dh, ANCHOR.bottom);
_panel.move(0, dh);
break;
}
}
}
if(mouse_check_button_released(mb_left)) dragging = -1;
} else {
for(var i = 0; i < ds_list_size(childs); i++) {
var _panel = childs[| i];
_panel.stepBegin();
}
if(ds_list_empty(childs)) {
if(point_in_rectangle(mouse_mx, mouse_my, x + 2, y + 2, x + w - 4, y + h - 4)) {
HOVER = self;
if(mouse_check_button_pressed(mb_left)) setFocus(self);
if(mouse_check_button_pressed(mb_right)) setFocus(self);
if(mouse_check_button_pressed(mb_middle)) setFocus(self);
if(FOCUS == self && content)
FOCUS_STR = content.context_str;
}
}
}
}
static step = function() {
for(var i = 0; i < ds_list_size(childs); i++) {
var _panel = childs[| i];
_panel.step();
}
}
function draw() {
if(ds_list_empty(childs)) {
drawPanel();
} else {
var _drag = true;
for(var i = 0; i < ds_list_size(childs); i++) {
var _panel = childs[| i];
if(_panel.content && !_panel.content.draggable)
_drag = false;
}
for(var i = 0; i < ds_list_size(childs); i++) {
var _panel = childs[| i];
_panel.draw();
if(_drag && (HOVER == noone || is_struct(HOVER)) ) {
switch(_panel.anchor) {
case ANCHOR.left :
if(point_in_rectangle(mouse_mx, mouse_my, _panel.x + _panel.w - 2, _panel.y, _panel.x + _panel.w + 2, _panel.y + _panel.h)) {
CURSOR = cr_size_we;
if(mouse_check_button_pressed(mb_left)) {
dragging = 1;
drag_sval = _panel.w;
drag_sm = mouse_mx;
}
}
break;
case ANCHOR.top :
if(point_in_rectangle(mouse_mx, mouse_my, _panel.x, _panel.y + _panel.h - 2, _panel.x + _panel.w, _panel.y + _panel.h + 2)) {
CURSOR = cr_size_ns;
if(mouse_check_button_pressed(mb_left)) {
dragging = 2;
drag_sval = _panel.h;
drag_sm = mouse_my;
}
}
break;
}
}
}
}
}
function drawPanel() {
if(w <= 16) return;
draw_sprite_stretched(s_ui_panel_bg, 0, x + 2, y + 2, w - 4, h - 4);
if(!is_surface(mask_surface)) {
mask_surface = surface_create(w, h);
resetMask();
}
if(!is_surface(content_surface)) content_surface = surface_create(w, h);
surface_set_target(content_surface);
draw_clear(c_ui_blue_black);
if(content) {
min_w = content.min_w;
min_h = content.min_h;
if(w >= min_w && h >= min_h)
content.draw();
}
gpu_set_blendmode(bm_subtract);
draw_surface_safe(mask_surface, 0, 0);
gpu_set_blendmode(bm_normal);
surface_reset_target();
draw_surface_safe(content_surface, x, y);
if(FOCUS == self) draw_sprite_stretched(s_ui_panel_active, 0, x + 2, y + 2, w - 4, h - 4);
}
function remove() {
if(parent == noone) {
show_message("What are you trying to do!");
return;
}
ds_list_delete(parent.childs, ds_list_find_index(parent.childs, self));
var otherPanel = parent.childs[| 0];
parent.set(otherPanel.content);
ds_list_clear(parent.childs);
}
}
function PanelContent(_panel) constructor {
context_str = "";
panel = _panel;
panel.content = self;
draggable = true;
x = panel.x;
y = panel.y;
w = panel.w;
h = panel.h;
mx = 0;
my = 0;
min_w = 32;
min_h = 32;
function refresh() {
onResize();
}
function onResize() {}
function onFocusBegin() {}
function onFocusEnd() {}
function onStepBegin() {
mx = mouse_mx - x;
my = mouse_my - y;
stepBegin();
}
function stepBegin() {}
function draw() {
drawContent();
}
function drawContent() {}
}
function setFocus(target) {
if(FOCUS != noone && is_struct(FOCUS) && FOCUS.content)
FOCUS.content.onFocusEnd();
FOCUS = target;
if(FOCUS != noone && is_struct(FOCUS) && FOCUS.content)
FOCUS.content.onFocusBegin();
}