Interface::LoadColorScheme

This method loads a color scheme from a JSON file.

Syntax

• bool LoadColorScheme(const WString& path, const LoadFlags flags = LOAD_DEFAULT)

Returns

Returns true if the color scheme was successfully loaded, otherwise false is returned.

Remarks

Color schemes are stored in JSON format and define an RGB color for various widget attributes:

{
    "colorScheme": {
        "background": "#333333",
        "border": "#000000",
        "foreground": "#FFFFFF",
        "highlight": "#424242",
        "menuBorder": "#333333",
        "popup": "#1A1A1A",
        "raised": "#3B3B3B",
        "selectedText": "#FFFFFF",
        "selection": "#2979FF",
        "sliderArrow": "#686868",
        "sliderTrack": "#666666",
        "sliderTrackHovered": "#999999",
        "sunken": "#262626"
    }
}

Example

#include "UltraEngine.h"

using namespace UltraEngine;

int main(int argc, const char* argv[])
{
    //Get the displays
    auto displays = GetDisplays();

    //Create window
    auto window = CreateWindow("Ultra Engine", 0, 0, 800, 600, displays[0]);

    //Create user interface
    auto ui = CreateInterface(window);

    //Create widget
    iVec2 sz = ui->background->ClientSize();
    auto button_dark = CreateButton("Dark Theme", sz.x / 4 - 75, sz.y / 4 - 15, 150, 30, ui->background);
    auto button_light = CreateButton("Light Theme", sz.x / 4 * 3 - 75, sz.y / 4 - 15, 150, 30, ui->background);

    //Text area
    auto textarea = CreateTextArea(8,sz.y/2,sz.x-16,sz.y/2-8,ui->background);
    textarea->SetText(LoadString("https://raw.githubusercontent.com/UltraEngine/Documentation/master/Assets/Themes/dark.json"));

    while (true)
    {
        const Event ev = WaitEvent();
        switch (ev.id)
        {
        case EVENT_WIDGETACTION:
            if (ev.source == button_dark)
            {
                //Load dark color scheme
                ui->LoadColorScheme("https://raw.githubusercontent.com/UltraEngine/Documentation/master/Assets/Themes/dark.json");
                textarea->SetText(LoadString("https://raw.githubusercontent.com/UltraEngine/Documentation/master/Assets/Themes/dark.json"));
            }
            else if (ev.source == button_light)
            {
                //Load light color scheme
                ui->LoadColorScheme("https://raw.githubusercontent.com/UltraEngine/Documentation/master/Assets/Themes/light.json");
                textarea->SetText(LoadString("https://raw.githubusercontent.com/UltraEngine/Documentation/master/Assets/Themes/light.json"));
            }
            break;
        case EVENT_WINDOWCLOSE:
            if (ev.source == window)
            {
                return 0;
            }
            break;
        }
    }
    return 0;
}