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Diffstat (limited to 'src/gui/widgets/layoutarray.cpp')
-rw-r--r-- | src/gui/widgets/layoutarray.cpp | 304 |
1 files changed, 304 insertions, 0 deletions
diff --git a/src/gui/widgets/layoutarray.cpp b/src/gui/widgets/layoutarray.cpp new file mode 100644 index 000000000..b0d534f00 --- /dev/null +++ b/src/gui/widgets/layoutarray.cpp @@ -0,0 +1,304 @@ +/* + * The ManaPlus Client + * Copyright (C) 2007-2009 The Mana World Development Team + * Copyright (C) 2009-2010 The Mana Developers + * Copyright (C) 2011-2014 The ManaPlus Developers + * + * This file is part of The ManaPlus Client. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "gui/widgets/layoutarray.h" + +#include "logger.h" + +#include "gui/widgets/basiccontainer2.h" +#include "gui/widgets/layout.h" + +#include "utils/delete2.h" + +#include <cassert> + +#include "debug.h" + +LayoutArray::LayoutArray(): + mCells(), + mSpacing(4) +{ +} + +LayoutArray::~LayoutArray() +{ + std::vector <std::vector <LayoutCell *> >::iterator + i = mCells.begin(); + const std::vector <std::vector <LayoutCell *> >::iterator + i_end = mCells.end(); + while (i != i_end) + { + std::vector< LayoutCell * >::iterator j = i->begin(); + const std::vector< LayoutCell * >::iterator j_end = i->end(); + while (j != j_end) + { + delete *j; + ++j; + } + ++i; + } +} + +LayoutCell &LayoutArray::at(const int x, const int y, + const int w, const int h) +{ + resizeGrid(x + w, y + h); + LayoutCell *&cell = mCells[y][x]; + if (!cell) + cell = new LayoutCell; + return *cell; +} + +void LayoutArray::resizeGrid(int w, const int h) +{ + const bool extW = w && w > static_cast<int>(mSizes[0].size()); + const bool extH = h && h > static_cast<int>(mSizes[1].size()); + + if (!extW && !extH) + return; + + if (extH) + { + mSizes[1].resize(h, Layout::AUTO_DEF); + mCells.resize(h); + if (!extW) + w = static_cast<int>(mSizes[0].size()); + } + + if (extW) + mSizes[0].resize(w, Layout::AUTO_DEF); + + std::vector <std::vector <LayoutCell *> >::iterator + i = mCells.begin(); + const std::vector <std::vector <LayoutCell *> >::iterator + i_end = mCells.end(); + while (i != i_end) + { + i->resize(w, nullptr); + ++i; + } +} + +void LayoutArray::setColWidth(const int n, const int w) +{ + resizeGrid(n + 1, 0); + mSizes[0][n] = w; +} + +void LayoutArray::setRowHeight(const int n, const int h) +{ + resizeGrid(0, n + 1); + mSizes[1][n] = h; +} + +void LayoutArray::matchColWidth(const int n1, const int n2) +{ + resizeGrid(std::max(n1, n2) + 1, 0); + const std::vector<int> widths = getSizes(0, Layout::AUTO_DEF); + const int s = std::max(widths[n1], widths[n2]); + mSizes[0][n1] = s; + mSizes[0][n2] = s; +} + +void LayoutArray::extend(const int x, const int y, const int w, const int h) +{ + LayoutCell &cell = at(x, y, w, h); + cell.mExtent[0] = w; + cell.mExtent[1] = h; +} + +LayoutCell &LayoutArray::place(Widget *const widget, const int x, + const int y, const int w, const int h) +{ + LayoutCell &cell = at(x, y, w, h); + assert(cell.mType == LayoutCell::NONE); + cell.mType = LayoutCell::WIDGET; + cell.mWidget = widget; + if (widget) + { + cell.mSize[0] = w == 1 ? widget->getWidth() : 0; + cell.mSize[1] = h == 1 ? widget->getHeight() : 0; + } + else + { + cell.mSize[0] = 1; + cell.mSize[1] = 1; + } + cell.mExtent[0] = w; + cell.mExtent[1] = h; + cell.mHPadding = 0; + cell.mVPadding = 0; + cell.mAlign[0] = LayoutCell::FILL; + cell.mAlign[1] = LayoutCell::FILL; + int &cs = mSizes[0][x], &rs = mSizes[1][y]; + if (cs == Layout::AUTO_DEF && w == 1) + cs = 0; + if (rs == Layout::AUTO_DEF && h == 1) + rs = 0; + return cell; +} + +void LayoutArray::align(int &restrict pos, int &restrict size, const int dim, + LayoutCell const &restrict cell, + const int *restrict const sizes, + const int sizeCount) const +{ + if (dim < 0 || dim >= 2) + return; + int size_max = sizes[0]; + int cnt = cell.mExtent[dim]; + if (sizeCount && cell.mExtent[dim] > sizeCount) + cnt = sizeCount; + + for (int i = 1; i < cnt; ++i) + size_max += sizes[i] + mSpacing; + size = std::min<int>(cell.mSize[dim], size_max); + + switch (cell.mAlign[dim]) + { + case LayoutCell::LEFT: + return; + case LayoutCell::RIGHT: + pos += size_max - size; + return; + case LayoutCell::CENTER: + pos += (size_max - size) / 2; + return; + case LayoutCell::FILL: + size = size_max; + return; + default: + logger->log1("LayoutArray::align unknown layout"); + return; + } +} + +std::vector<int> LayoutArray::getSizes(const int dim, int upp) const +{ + if (dim < 0 || dim >= 2) + return mSizes[1]; + + const int gridW = static_cast<int>(mSizes[0].size()); + const int gridH = static_cast<int>(mSizes[1].size()); + std::vector<int> sizes = mSizes[dim]; + + // Compute minimum sizes. + for (int gridY = 0; gridY < gridH; ++gridY) + { + for (int gridX = 0; gridX < gridW; ++gridX) + { + const LayoutCell *const cell = mCells[gridY][gridX]; + if (!cell || cell->mType == LayoutCell::NONE) + continue; + + if (cell->mExtent[dim] == 1) + { + const int n = (dim == 0 ? gridX : gridY); + const int s = cell->mSize[dim] + cell->mVPadding * 2; + if (s > sizes[n]) + sizes[n] = s; + } + } + } + + if (upp == Layout::AUTO_DEF) + return sizes; + + // Compute the FILL sizes. + const int nb = static_cast<int>(sizes.size()); + int nbFill = 0; + for (int i = 0; i < nb; ++i) + { + if (mSizes[dim][i] <= Layout::AUTO_DEF) + { + ++nbFill; + if (mSizes[dim][i] == Layout::AUTO_SET || + sizes[i] <= Layout::AUTO_DEF) + { + sizes[i] = 0; + } + } + upp -= sizes[i] + mSpacing; + } + upp = upp + mSpacing; + + if (nbFill == 0) + return sizes; + + for (int i = 0; i < nb; ++i) + { + if (mSizes[dim][i] > Layout::AUTO_DEF) + continue; + + const int s = upp / nbFill; + sizes[i] += s; + upp -= s; + --nbFill; + } + + return sizes; +} + +int LayoutArray::getSize(const int dim) const +{ + std::vector<int> sizes = getSizes(dim, Layout::AUTO_DEF); + int size = 0; + const int nb = static_cast<int>(sizes.size()); + for (int i = 0; i < nb; ++i) + { + if (sizes[i] > Layout::AUTO_DEF) + size += sizes[i]; + size += mSpacing; + } + return size - mSpacing; +} + +void LayoutArray::reflow(const int nx, const int ny, + const int nw, const int nh) +{ + const int gridW = static_cast<int>(mSizes[0].size()); + const int gridH = static_cast<int>(mSizes[1].size()); + + std::vector<int> widths = getSizes(0, nw); + std::vector<int> heights = getSizes(1, nh); + + const int szW = static_cast<int>(widths.size()); + const int szH = static_cast<int>(heights.size()); + int y = ny; + for (int gridY = 0; gridY < gridH; ++gridY) + { + int x = nx; + for (int gridX = 0; gridX < gridW; ++gridX) + { + LayoutCell *const cell = mCells[gridY][gridX]; + if (cell && cell->mType != LayoutCell::NONE) + { + int dx = x, dy = y, dw = 0, dh = 0; + align(dx, dw, 0, *cell, &widths[gridX], szW - gridX); + align(dy, dh, 1, *cell, &heights[gridY], szH - gridY); + cell->reflow(dx, dy, dw, dh); + } + x += widths[gridX] + mSpacing; + } + y += heights[gridY] + mSpacing; + } +} |