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/* |
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* The ManaPlus Client |
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* Copyright (C) 2007-2009 The Mana World Development Team |
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* Copyright (C) 2009-2010 The Mana Developers |
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* Copyright (C) 2011-2019 The ManaPlus Developers |
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* Copyright (C) 2019-2021 Andrei Karas |
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* |
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* This file is part of The ManaPlus Client. |
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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; either version 2 of the License, or |
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* 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 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 GUI_WIDGETS_LAYOUTCELL_H |
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#define GUI_WIDGETS_LAYOUTCELL_H |
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#include "localconsts.h" |
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class LayoutArray; |
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class Widget; |
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/** |
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* This class describes the formatting of a widget in the cell of a layout |
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* table. Horizontally, a widget can either fill the width of the cell (minus |
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* the cell padding), or it can retain its size and be flushed left, or flush |
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* right, or centered in the cell. The process is similar for the vertical |
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* alignment, except that top is represented by LEFT and bottom by RIGHT. |
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*/ |
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class LayoutCell notfinal |
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{ |
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friend class Layout; |
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friend class LayoutArray; |
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public: |
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A_DEFAULT_COPY(LayoutCell) |
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enum Alignment |
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{ |
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LEFT = 0, |
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RIGHT, |
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CENTER, |
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FILL |
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}; |
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virtual ~LayoutCell(); |
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/** |
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* Sets the padding around the cell content. |
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*/ |
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LayoutCell &setPadding(int p) |
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{ mHPadding = p; mVPadding = p; return *this; } |
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int getVPadding() const |
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{ return mVPadding; } |
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int getHPadding() const |
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{ return mHPadding; } |
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/** |
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* Sets the vertical padding around the cell content. |
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*/ |
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LayoutCell &setVPadding(int p) |
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{ mVPadding = p; return *this; } |
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/** |
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* Sets the horisontal padding around the cell content. |
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*/ |
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LayoutCell &setHPadding(int p) |
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{ mHPadding = p; return *this; } |
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/** |
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* Sets the horizontal alignment of the cell content. |
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*/ |
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LayoutCell &setHAlign(const Alignment a) |
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{ mAlign[0] = a; return *this; } |
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/** |
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* Sets the vertical alignment of the cell content. |
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*/ |
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LayoutCell &setVAlign(const Alignment a) |
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{ mAlign[1] = a; return *this; } |
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/** |
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* @see LayoutArray::at |
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*/ |
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LayoutCell &at(const int x, const int y) A_WARN_UNUSED; |
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/** |
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* @see LayoutArray::place |
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*/ |
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LayoutCell &place(Widget *const wg, |
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const int x, |
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const int y, |
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const int w, |
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const int h); |
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/** |
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* @see LayoutArray::matchColWidth |
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*/ |
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void matchColWidth(const int n1, const int n2); |
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/** |
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* @see LayoutArray::setColWidth |
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*/ |
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void setColWidth(const int n, const int w); |
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/** |
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* @see LayoutArray::setRowHeight |
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*/ |
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void setRowHeight(const int n, const int h); |
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/** |
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* @see LayoutArray::extend. |
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*/ |
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void extend(const int x, const int y, |
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const int w, const int h); |
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/** |
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* Sets the minimum widths and heights of this cell and of all the |
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* inner cells. |
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*/ |
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void computeSizes(); |
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void setType(int t) |
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{ mType = t; } |
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int getWidth() const noexcept2 A_WARN_UNUSED |
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{ return mExtent[0]; } |
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int getHeight() const noexcept2 A_WARN_UNUSED |
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{ return mExtent[1]; } |
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void setWidth(const int w) noexcept2 |
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{ mExtent[0] = w; } |
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void setHeight(const int h) noexcept2 |
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{ mExtent[1] = h; } |
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enum |
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{ |
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NONE = 0, |
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WIDGET, |
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ARRAY |
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}; |
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static LayoutCell emptyCell; |
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private: |
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LayoutCell() : |
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mWidget(nullptr), |
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mHPadding(0), |
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mVPadding(0), |
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mType(NONE) |
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{ |
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mExtent[0] = 0; |
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mExtent[1] = 0; |
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mAlign[0] = LEFT; |
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mAlign[1] = LEFT; |
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mNbFill[0] = 0; |
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mNbFill[1] = 0; |
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mSize[0] = 0; |
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mSize[1] = 0; |
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} |
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// Copy not allowed, as the cell may own an array. |
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explicit LayoutCell(LayoutCell const &); |
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LayoutCell &operator=(LayoutCell const &); |
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union |
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{ |
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Widget *mWidget; |
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LayoutArray *mArray; |
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}; |
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/** |
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* Returns the embedded array. Creates it if the cell does not contain |
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* anything yet. Aborts if it contains a widget. |
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*/ |
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LayoutArray &getArray(); |
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/** |
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* @see LayoutArray::reflow |
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*/ |
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void reflow(int nx, int ny, int nw, int nh); |
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int mSize[2]; |
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int mHPadding; |
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int mVPadding; |
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int mExtent[2]; |
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Alignment mAlign[2]; |
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int mNbFill[2]; |
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int mType; |
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}; |
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#endif // GUI_WIDGETS_LAYOUTCELL_H |