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# haxe-ui
  • b
    works if you use a vbox instead of a box
  • b
    which doesnt make alot of sense to be, but ill check it out tomorrow
  • i
    works with vbox here, that's fine by me
  • i
    👏
  • b
    cool - ill find out whats going on tomorrow - shouldnt be any difference between those components (from a measurement perspective) so something is off
  • i
    you're a trooper
  • b
    ok, this is fixed now, a weird fix, but a fix
  • b
    Copy code
    public function render(framebuffers:Array<Framebuffer>):Void {
        _backgroudColor = ColorUtil.parseColor(Toolkit.backendProperties.getProp("haxe.ui.kha.background.color", "0xFFFFFF"));
        var g = framebuffers[0].g2;
        g.begin(true, _backgroudColor);
        Screen.instance.renderTo(g);
        g.end();
    }
  • b
    As i see, it should have given me white background.
  • b
    can you paste the full code? Or are you using HaxeUIApp now? Either way - can you post your entire Main.hx again? @bumpy-engineer-49082
  • b
    Copy code
    package;

import haxe.ui.HaxeUIApp;
import haxe.ui.Toolkit;
import haxe.ui.components.Button;
import haxe.ui.containers.dialogs.Dialog;
import haxe.ui.core.Component;
import haxe.ui.core.Screen;
import haxe.ui.macros.ComponentMacros;
import haxe.ui.themes.Theme;
import haxe.ui.util.ColorUtil;
import kha.Assets;
import kha.Assets;
import kha.Color;
import kha.Framebuffer;
import kha.Framebuffer;
import kha.Scheduler;

import kha.System;

class Main {
    private var _callback:Void->Void;
    private var _backgroudColor:Int = 0;

    static function update():Void {}

    public function render(framebuffers:Array<Framebuffer>):Void {
        _backgroudColor = ColorUtil.parseColor(Toolkit.backendProperties.getProp("haxe.ui.kha.background.color", "0xFFFFFF"));
        var g = framebuffers[0].g2;
        g.begin(true, _backgroudColor);
        Screen.instance.renderTo(g);
        g.end();
    }

    public static function main() {
        kha.System.start({}, function(_) {
            kha.Assets.loadEverything(function() {
                haxe.ui.Toolkit.init();

                final screen = haxe.ui.core.Screen.instance;
                final ui = haxe.ui.ComponentBuilder.fromFile("main-view.xml");

                screen.addComponent(ui);
                System.start({title: "Project", width: 1024, height: 768}, function(_) {
                    // Just loading everything is ok for small projects
                    Assets.loadEverything(function() {
                        // Avoid passing update/render directly,
                        // so replacing them via code injection works
                        Scheduler.addTimeTask(function() {
                            update();
                        }, 0, 1 / 60);
                        System.notifyOnFrames(function(frames) {});
                    });
                });
            });
        });
    }
}
  • b
    Oh, i deleted render()
  • b
    you still arent calling render... (which should also be static)
  • b
    System.notifyOnFrames(function(frames) {});
    is just calling an empty function
  • b
    change 
    public function render(framebuffers:Array<Framebuffer>):Void {
    to 
    public static function render(framebuffers:Array<Framebuffer>):Void {
  • b
    and change 
    System.notifyOnFrames(function(frames) {});
    to 
    System.notifyOnFrames(render);
  • p
    Also, Kha uses ARGB colors, so 
    0xFFFFFF
    is white, but with 
    alpha = 0
    . That probably won't give the results you expect.
  • b
    valid point, thats copied from AppImpl in haxeui-kha, so probably a bug there... but still, their main issue here is that 
    render
    is never being called (and its not static)
  • b
    Cannot access _backgroudColor in static function
  • b
    well, make the var static too...
  • b
    you might have some pretty general programming issues with haxe / haxeui / kha if you arent sure what the difference is between static and non-static (just a heads up 🙂 )
  • b
    this is Java, but the same principle applies to Haxe: https://beginnersbook.com/2013/05/static-vs-non-static-methods/
  • b
    (there are probably better resources too)
  • p
    Reject classes, embrace functional programming, no more static :)
  • b
    I guessed, if it works in appiml, it should work elsewhere.
  • b
    well, appimpl is supposed to be instanced, its not a static class
  • e
    Hi again, @bright-gpu-74537 <3 My issue with the background opacity is with buttons (I got the git versions of both heaps and core). This doesn't work in Heaps (although it does within the online builder) :
    Copy code
    <vbox id="vbox">
    <style>
        .btnStyle {
            background-opacity: 0;
            border-opacity: 0;
        }
    </style>
    <button id="act0" styleName="btnStyle" />
</vbox>
    In StyleHelper.hx (l 47), this test is true, although I haven't touched this properties (probably set and different from each other by default) :
    Copy code
    if (style.backgroundColorEnd != null && style.backgroundColor != style.backgroundColorEnd)
    The use of opacity is in the else of that previous test, thus it's never called :( Is it intended ?
  • b
    certain feels like a bug - lemme check this end
  • b
    yup, you are right
  • b
    certainly not intentional
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