有关不同语言的示例代码，请参阅 /examples 文件夹

Rust

use azul::prelude::*;
use azul_widgets::{button::Button, label::Label};

struct DataModel {
    counter: usize,
}

// Model -> View
extern "C" fn render_my_view(data: &RefAny, _: LayoutInfo) -> StyledDom {

    let mut result = StyledDom::default();

    let data = match data.downcast_ref::<DataModel>() {
        Some(s) => s,
        None => return result,
    };

    let label = Label::new(format!("{}", data.counter)).dom();
    let button = Button::with_label("Update counter")
        .onmouseup(update_counter, data.clone())
        .dom();

    result
    .append(label)
    .append(button)
}

// View updates model
extern "C" fn update_counter(data: &mut RefAny, event: CallbackInfo) -> UpdateScreen {
    let mut data = match data.downcast_mut::<DataModel>() {
        Some(s) => s,
        None => return UpdateScreen::DoNothing,
    };
    data.counter += 1;
    UpdateScreen::RegenerateDomForCurrentWindow
}

fn main() {
    let app = App::new(RefAny::new(DataModel { counter: 0 }), AppConfig::default());
    app.run(WindowCreateOptions::new(render_my_view));
}

C++

#include "azul.h"
#include "azul-widgets.h"

using namespace azul;
using namespace azul.widgets.button;
using namespace azul.widgets.label;

struct DataModel {
    counter: uint32_t
}

// Model -> View
StyledDom render_my_view(const RefAny& data, LayoutInfo info) {

    auto result = StyledDom::default();

    const DataModel* data = data.downcast_ref();
    if !(data) {
        return result;
    }

    auto label = Label::new(String::format("{counter}", &[data.counter])).dom();
    auto button = Button::with_label("Update counter")
       .onmouseup(update_counter, data.clone())
       .dom();

    result = result
        .append(label)
        .append(button);

    return result;
}

UpdateScreen update_counter(RefAny& data, CallbackInfo event) {
    DataModel data = data.downcast_mut().unwrap();
    data.counter += 1;
    return UpdateScreen::RegenerateDomForCurrentWindow;
}

int main() {
    auto app = App::new(RefAny::new(DataModel { .counter = 0 }), AppConfig::default());
    app.run(WindowCreateOptions::new(render_my_view));
}

C

#include "azul.h"

typedef struct {
    uint32_t counter;
} DataModel;

void DataModel_delete(DataModel* restrict A) { }
AZ_REFLECT(DataModel, DataModel_delete);

AzStyledDom render_my_view(AzRefAny* restrict data, AzLayoutInfo info) {

    AzString counter_string;

    DataModelRef d = DataModelRef_create(data);
    if (DataModel_downcastRef(data, &d)) {
        AzFmtArgVec fmt_args = AzFmtArgVec_fromConstArray({{
            .key = AzString_fromConstStr("counter"),
            .value = AzFmtValue_Uint(d.ptr->counter)
        }});
        counter_string = AzString_format(AzString_fromConstStr("{counter}"), fmt_args);
    } else {
        return AzStyledDom_empty();
    }
    DataModelRef_delete(&d);

    AzDom const html = {
        .root = AzNodeData_new(AzNodeType_Body),
        .children = AzDomVec_fromConstArray({AzDom_new(AzNodeType_Label(counter_string))}),
        .total_children = 1, // len(children)
    };
    AzCss const css = AzCss_fromString(AzString_fromConstStr("body { font-size: 50px; }"));
    return AzStyledDom_new(html, css);
}

UpdateScreen update_counter(RefAny& data, CallbackInfo event) {
    DataModelRefMut d = DataModelRefMut_create(data);
    if !(DataModel_downcastRef(data, &d)) {
        return UpdateScreen_DoNothing;
    }
    d->ptr.counter += 1;
    DataModelRefMut_delete(&d);
    return UpdateScreen_RegenerateDomForCurrentWindow;
}

int main() {
    DataModel model = { .counter = 5 };
    AzApp app = AzApp_new(DataModel_upcast(model), AzAppConfig_default());
    AzApp_run(app, AzWindowCreateOptions_new(render_my_view));
    return 0;
}

文档

使用build.py脚本构建文档，该脚本将在/target/html目录中生成整个azul.rs网站

python3 ./build.py

• 类文档可在azul.rs/api找到
• 教程可在azul.rs/guide找到。

注意：如果需要，类文档也可以打印成PDF格式。

许可证

此库根据LGPL 3.0许可证发布，但静态链接有例外。这意味着与FLTK和wxWidgets许可证类似，您可以在不发布源代码的情况下构建专有应用程序：您只需发布对azul库本身所做的更改即可。静态链接例外允许您在不发布代码的情况下静态链接Azul。

版权 2017 - 当前 Felix Schütt