Qt標準アイコン一覧

#-------------------------------------------------
#
# Project created by QtCreator 2018-02-14T23:14:45
#
#-------------------------------------------------

QT       += core gui

greaterThan(QT_MAJOR_VERSION, 4): QT += widgets

TARGET = StandardIcon
TEMPLATE = app

# The following define makes your compiler emit warnings if you use
# any feature of Qt which has been marked as deprecated (the exact warnings
# depend on your compiler). Please consult the documentation of the
# deprecated API in order to know how to port your code away from it.
DEFINES += QT_DEPRECATED_WARNINGS

# You can also make your code fail to compile if you use deprecated APIs.
# In order to do so, uncomment the following line.
# You can also select to disable deprecated APIs only up to a certain version of Qt.
#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0


SOURCES += \
        main.cpp

HEADERS +=

FORMS +=

#include <QApplication>
#include <QtWidgets>
#include <QStyle>

int main(int argc, char *argv[])
{
    QApplication app(argc, argv);

    QTextBrowser editor;
    editor.show();

    auto metaEnum = QMetaEnum::fromType<QStyle::StandardPixmap>();
    auto cursor = editor.textCursor();
    auto table = cursor.insertTable(metaEnum.keyCount()+1, 2, QTextTableFormat());

    table->cellAt(0, 0).firstCursorPosition().insertText("enum QStyle::StandardPixmap");
    table->cellAt(0, 1).firstCursorPosition().insertText("Image");

    QTextBlockFormat format;
    format.setAlignment(Qt::AlignCenter);
    table->cellAt(0, 0).firstCursorPosition().setBlockFormat(format);
    table->cellAt(0, 1).firstCursorPosition().setBlockFormat(format);

    for (int icon_i = 0; icon_i < metaEnum.keyCount(); ++icon_i) {
        auto icon = QApplication::style()->standardPixmap(static_cast<QStyle::StandardPixmap>(icon_i));
        QBuffer buffer;
        icon.save(&buffer, "PNG");
        auto url = QString("<img src='data:image/png;base64,") + buffer.data().toBase64() + "'/>";
        table->cellAt(icon_i+1, 0).firstCursorPosition().insertText(metaEnum.key(icon_i));
        table->cellAt(icon_i+1, 1).firstCursorPosition().insertHtml(url);
        table->cellAt(icon_i+1, 1).firstCursorPosition().setBlockFormat(format);
        /// \warn Images inserted by insertImage are cannot copy to clipboard.
        // table->cellAt(icon_i+1, 1).firstCursorPosition().insertImage(QImage::fromData(buffer.data()));
    }

    return app.exec();
}