mirror of
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125 lines
3.6 KiB
C++
125 lines
3.6 KiB
C++
/*
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* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <LibGUI/AbstractView.h>
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#include <LibGUI/Model.h>
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namespace GUI {
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Model::Model()
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{
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}
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Model::~Model()
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{
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}
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void Model::register_view(Badge<AbstractView>, AbstractView& view)
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{
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m_views.set(&view);
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m_clients.set(&view);
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}
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void Model::unregister_view(Badge<AbstractView>, AbstractView& view)
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{
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m_views.remove(&view);
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m_clients.remove(&view);
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}
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void Model::for_each_view(Function<void(AbstractView&)> callback)
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{
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for (auto* view : m_views)
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callback(*view);
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}
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void Model::did_update(unsigned flags)
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{
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for (auto* client : m_clients)
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client->model_did_update(flags);
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}
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ModelIndex Model::create_index(int row, int column, const void* data) const
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{
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return ModelIndex(*this, row, column, const_cast<void*>(data));
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}
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ModelIndex Model::index(int row, int column, const ModelIndex&) const
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{
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return create_index(row, column);
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}
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bool Model::accepts_drag(const ModelIndex&, const Vector<String>&) const
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{
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return false;
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}
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void Model::register_client(ModelClient& client)
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{
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m_clients.set(&client);
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}
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void Model::unregister_client(ModelClient& client)
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{
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m_clients.remove(&client);
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}
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RefPtr<Core::MimeData> Model::mime_data(const ModelSelection& selection) const
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{
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auto mime_data = Core::MimeData::construct();
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RefPtr<Gfx::Bitmap> bitmap;
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StringBuilder text_builder;
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StringBuilder data_builder;
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bool first = true;
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selection.for_each_index([&](auto& index) {
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auto text_data = index.data();
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if (!first)
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text_builder.append(", ");
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text_builder.append(text_data.to_string());
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if (!first)
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data_builder.append('\n');
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auto data = index.data(ModelRole::MimeData);
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data_builder.append(data.to_string());
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first = false;
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if (!bitmap) {
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Variant icon_data = index.data(ModelRole::Icon);
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if (icon_data.is_icon())
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bitmap = icon_data.as_icon().bitmap_for_size(32);
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}
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});
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mime_data->set_data(drag_data_type(), data_builder.to_byte_buffer());
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mime_data->set_text(text_builder.to_string());
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if (bitmap)
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mime_data->set_data("image/x-raw-bitmap", bitmap->serialize_to_byte_buffer());
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return mime_data;
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}
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}
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