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73 lines
3.5 KiB
C++
73 lines
3.5 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2022 Jon Beniston, M7RCE <jon@beniston.com> //
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// Copyright (C) 2016 The Qt Company Ltd. //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#ifndef SDRGUI_GUI_FEATURELAYOUT_H
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#define SDRGUI_GUI_FEATURELAYOUT_H
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#include <QLayout>
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#include <QRect>
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#include <QStyle>
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// A QLayout specifically for the Features window, that tries to make the most
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// of available space, while allowing the user to resize some elements, on the
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// assumption that there are two types of Feature UI
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// - Fixed size widgets like Rotator Controller
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// - Expanding widgets like Map
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// The Feature window is split in to two parts (when horizontal orientation):
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// - Left hand side for fixed widgets which are stacked in vertical columns
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// to fit available height
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// - Right hand side is for expanding widgets inside a Splitter which allows
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// a user to manually set how much space is used for each Feature
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// When vertical orientation, the fixed widgets are in columns at the top, with
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// the expanding widgets underneath (this isn't quite as nice, as the widget
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// heights vary more than the widths)
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class FeatureLayout : public QLayout
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{
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public:
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explicit FeatureLayout(QWidget *parent, int margin = -1, int hSpacing = -1, int vSpacing = -1);
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explicit FeatureLayout(int margin = -1, int hSpacing = -1, int vSpacing = -1);
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~FeatureLayout();
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void addItem(QLayoutItem *item) override;
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int horizontalSpacing() const;
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int verticalSpacing() const;
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Qt::Orientations expandingDirections() const override;
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bool hasHeightForWidth() const override;
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int heightForWidth(int) const override;
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int count() const override;
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QLayoutItem *itemAt(int index) const override;
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QSize minimumSize() const override;
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void setGeometry(const QRect &rect) override;
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QSize sizeHint() const override;
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QLayoutItem *takeAt(int index) override;
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void setOrientation(Qt::Orientation);
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private:
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QSize doLayoutVertically(const QRect &rect, bool testOnly) const;
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QSize doLayoutHorizontally(const QRect &rect, bool testOnly) const;
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int smartSpacing(QStyle::PixelMetric pm) const;
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QList<QLayoutItem *> itemList;
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int m_hSpace;
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int m_vSpace;
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Qt::Orientation m_orientation;
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QRect m_prevGeometry;
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};
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#endif // SDRGUI_GUI_FEATURELAYOUT_H
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