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Input Group

A bordered composition for an input, prefix, suffix and compact action.

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Live C++Source and licences
#include <QApplication>
#include <QFile>
#include <QHBoxLayout>
#include <QLabel>
#include <QPainter>
#include <QStandardItemModel>
#include <QUrl>
#include <QVBoxLayout>
#include <array>
#ifdef SHADCN_GALLERY_MEDIA
#include <shadcn/media.hpp>
#endif
#include <shadcn/shadcn.hpp>

QWidget* example(QWidget* parent = nullptr) {
    using namespace shadcn;
    auto* canvas = new QWidget(parent);
    canvas->setAutoFillBackground(true);
    auto* outer = new QHBoxLayout(canvas);
    outer->setContentsMargins(32, 32, 32, 32);
    auto* host = new QWidget(canvas);
    auto* layout = new QVBoxLayout(host);
    layout->setContentsMargins(0, 0, 0, 0);
    layout->setSpacing(16);
    outer->addStretch();
    outer->addWidget(host, 0, Qt::AlignCenter);
    outer->addStretch();
    auto* group = new InputGroup(host);
    group->setFixedWidth(340);
    group->addText("https://");
    auto* input = new Input(group);
    input->setPlaceholderText("example.com");
    input->setAccessibleName("Website");
    group->addInput(*input);
    group->addButton("Go");
    layout->addWidget(group);
    return canvas;
}

Installation​

add_subdirectory(shadcn-cpp)
target_link_libraries(app PRIVATE shadcn::widgets)

Usage​

#include <shadcn/controls.hpp>

shadcn::InputGroup group(parent);
auto& input = shadcn::make_child<shadcn::Input>(group);
group.addInput(input);
group.addText("@example.com");
group.addButton("Clear");

API​

addInput, addTextarea, addText, addButton and addWidget add content at a named edge.

Variations​

Use InputGroupAlign for inline or block addons. Call setInvalid and setError for feedback.

Keyboard and accessibility​

Qt supplies native focus, keyboard interaction and accessible object roles. Give the component a visible label or an accessible name when its text alone does not explain the action.

Ownership​

The parent widget owns the component. Child widgets created through a component layout follow Qt parent ownership. References returned by helper methods are borrowed.