src/gui/utils.h

   1 /*
   2  * Bittorrent Client using Qt and libtorrent.
   3  * Copyright (C) 2017  Mike Tzou
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * as published by the Free Software Foundation; either version 2
   8  * of the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18  *
  19  * In addition, as a special exception, the copyright holders give permission to
  20  * link this program with the OpenSSL project's "OpenSSL" library (or with
  21  * modified versions of it that use the same license as the "OpenSSL" library),
  22  * and distribute the linked executables. You must obey the GNU General Public
  23  * License in all respects for all of the code used other than "OpenSSL".  If you
  24  * modify file(s), you may extend this exception to your version of the file(s),
  25  * but you are not obligated to do so. If you do not wish to do so, delete this
  26  * exception statement from your version.
  27  */
  28
  29 #pragma once
  30
  31 #include <QSize>
  32
  33 class QIcon;
  34 class QPixmap;
  35 class QPoint;
  36 class QWidget;
  37
  38 namespace Utils
  39 {
  40     namespace Gui
  41     {
  42         void resize(QWidget *widget, const QSize &newSize = {});
  43         qreal screenScalingFactor(const QWidget *widget);
  44
  45         template <typename T>
  46         T scaledSize(const QWidget *widget, const T &size)
  47         {
  48             return (size * screenScalingFactor(widget));
  49         }
  50
  51         QPixmap scaledPixmap(const QIcon &icon, const QWidget *widget, int height);
  52         QPixmap scaledPixmap(const QString &path, const QWidget *widget, int height = 0);
  53         QPixmap scaledPixmapSvg(const QString &path, const QWidget *widget, int baseHeight);
  54         QSize smallIconSize(const QWidget *widget = nullptr);
  55         QSize mediumIconSize(const QWidget *widget = nullptr);
  56         QSize largeIconSize(const QWidget *widget = nullptr);
  57
  58         QPoint screenCenter(const QWidget *w);
  59
  60         void openPath(const QString &absolutePath);
  61         void openFolderSelect(const QString &absolutePath);
  62     }
  63 }