File size: 4,047 Bytes
985c397 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 | // SPDX-License-Identifier: LGPL-2.1-or-later
/****************************************************************************
* *
* Copyright (c) 2024 The FreeCAD Project Association AISBL *
* *
* This file is part of FreeCAD. *
* *
* FreeCAD is free software: you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as *
* published by the Free Software Foundation, either version 2.1 of the *
* License, or (at your option) any later version. *
* *
* FreeCAD is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with FreeCAD. If not, see *
* <https://www.gnu.org/licenses/>. *
* *
***************************************************************************/
#include "FileCardView.h"
#include <App/Application.h>
#include "../App/DisplayedFilesModel.h"
#include <algorithm>
namespace StartGui
{
FileCardView::FileCardView(QWidget* parent)
: QListView(parent)
{
QSizePolicy sizePolicy(QSizePolicy::Policy::MinimumExpanding, QSizePolicy::Policy::MinimumExpanding);
sizePolicy.setHeightForWidth(true);
setSizePolicy(sizePolicy);
setHorizontalScrollBarPolicy(Qt::ScrollBarPolicy::ScrollBarAlwaysOff);
setVerticalScrollBarPolicy(Qt::ScrollBarPolicy::ScrollBarAsNeeded);
setViewMode(QListView::ViewMode::IconMode);
setFlow(QListView::Flow::LeftToRight);
setResizeMode(QListView::ResizeMode::Adjust);
setUniformItemSizes(true);
setMouseTracking(true);
auto hGrp = App::GetApplication().GetParameterGroupByPath(
"User parameter:BaseApp/Preferences/Mod/Start"
);
m_cardSpacing = static_cast<int>(hGrp->GetInt("FileCardSpacing", 16)); // NOLINT
setSpacing(m_cardSpacing);
}
int FileCardView::heightForWidth(int width) const
{
auto model = this->model();
auto delegate = this->itemDelegate();
if (!model || !delegate) {
return 0;
}
int numCards = model->rowCount();
auto cardSize = delegate->sizeHint(QStyleOptionViewItem(), model->index(0, 0));
int cardsPerRow = std::max(1, static_cast<int>(width / (cardSize.width() + m_cardSpacing)));
int numRows = static_cast<int>(
ceil(static_cast<double>(numCards) / static_cast<double>(cardsPerRow))
);
int neededHeight = numRows * cardSize.height();
constexpr int extra = 4; // avoid tiny scrollbars
return neededHeight + m_cardSpacing * (numRows - 1) + 2 * m_cardSpacing + extra;
}
QSize FileCardView::sizeHint() const
{
auto model = this->model();
auto delegate = this->itemDelegate();
if (!model || !delegate) {
// The model and/or delegate have not been set yet, this was an early startup call
return {m_cardSpacing, m_cardSpacing};
}
int numCards = model->rowCount();
auto cardSize = delegate->sizeHint(QStyleOptionViewItem(), model->index(0, 0));
return {
(cardSize.width() + m_cardSpacing) * numCards + m_cardSpacing,
cardSize.height() + 2 * m_cardSpacing
};
}
} // namespace StartGui
|