mirror of
https://github.com/libretro/scummvm.git
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288 lines
8.3 KiB
C++
288 lines
8.3 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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 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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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#include "common/util.h"
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#include "common/system.h"
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#include "common/events.h"
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#include "common/xmlparser.h"
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#include "gui/ThemeEval.h"
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#include "gui/ThemeLayout.h"
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#ifdef LAYOUT_DEBUG_DIALOG
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#include "graphics/font.h"
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#include "graphics/surface.h"
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#endif
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namespace GUI {
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void ThemeLayout::importLayout(ThemeLayout *layout) {
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assert(layout->getLayoutType() == kLayoutMain);
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if (layout->_children.size() == 0)
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return;
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layout = layout->_children[0];
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if (getLayoutType() == layout->getLayoutType()) {
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for (uint i = 0; i < layout->_children.size(); ++i)
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_children.push_back(layout->_children[i]->makeClone(this));
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} else {
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_children.push_back(layout->makeClone(this));
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}
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}
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bool ThemeLayout::getWidgetData(const Common::String &name, int16 &x, int16 &y, uint16 &w, uint16 &h) {
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if (name.empty()) {
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assert(getLayoutType() == kLayoutMain);
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x = _x; y = _y;
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w = _w; h = _h;
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return true;
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}
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for (uint i = 0; i < _children.size(); ++i) {
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if (_children[i]->getWidgetData(name, x, y, w, h))
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return true;
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}
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return false;
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}
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int16 ThemeLayoutStacked::getParentWidth() {
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ThemeLayout *p = _parent;
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int width = 0;
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while (p && p->getLayoutType() != kLayoutMain) {
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width += p->_padding.right + p->_padding.left;
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if (p->getLayoutType() == kLayoutHorizontal) {
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const int spacing = ((ThemeLayoutStacked *)p)->_spacing;
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for (uint i = 0; i < p->_children.size(); ++i)
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width += p->_children[i]->getWidth() + spacing;
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}
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// FIXME: Do we really want to assume that any layout type different
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// from kLayoutHorizontal corresponds to width 0 ?
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p = p->_parent;
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}
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assert(p && p->getLayoutType() == kLayoutMain);
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return p->getWidth() - width;
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}
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int16 ThemeLayoutStacked::getParentHeight() {
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ThemeLayout *p = _parent;
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int height = 0;
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while (p && p->getLayoutType() != kLayoutMain) {
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height += p->_padding.bottom + p->_padding.top;
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if (p->getLayoutType() == kLayoutVertical) {
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const int spacing = ((ThemeLayoutStacked *)p)->_spacing;
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for (uint i = 0; i < p->_children.size(); ++i)
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height += p->_children[i]->getHeight() + spacing;
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}
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// FIXME: Do we really want to assume that any layout type different
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// from kLayoutVertical corresponds to height 0 ?
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p = p->_parent;
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}
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assert(p && p->getLayoutType() == kLayoutMain);
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return p->getHeight() - height;
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}
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#ifdef LAYOUT_DEBUG_DIALOG
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void ThemeLayout::debugDraw(Graphics::Surface *screen, const Graphics::Font *font) {
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uint16 color = 0xFFFF;
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font->drawString(screen, getName(), _x, _y, _w, color, Graphics::kTextAlignRight, 0, true);
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screen->hLine(_x, _y, _x + _w, color);
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screen->hLine(_x, _y + _h, _x + _w , color);
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screen->vLine(_x, _y, _y + _h, color);
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screen->vLine(_x + _w, _y, _y + _h, color);
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for (uint i = 0; i < _children.size(); ++i)
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_children[i]->debugDraw(screen, font);
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}
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#endif
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bool ThemeLayoutWidget::getWidgetData(const Common::String &name, int16 &x, int16 &y, uint16 &w, uint16 &h) {
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if (name == _name) {
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x = _x; y = _y;
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w = _w; h = _h;
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return true;
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}
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return false;
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}
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void ThemeLayoutMain::reflowLayout() {
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assert(_children.size() <= 1);
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if (_children.size()) {
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_children[0]->resetLayout();
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_children[0]->setWidth(_w);
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_children[0]->setHeight(_h);
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_children[0]->reflowLayout();
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if (_w == -1)
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_w = _children[0]->getWidth();
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if (_h == -1)
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_h = _children[0]->getHeight();
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if (_y == -1)
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_y = (g_system->getOverlayHeight() >> 1) - (_h >> 1);
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if (_x == -1)
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_x = (g_system->getOverlayWidth() >> 1) - (_w >> 1);
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}
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}
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void ThemeLayoutStacked::reflowLayoutVertical() {
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int curX, curY;
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int resize[8];
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int rescount = 0;
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curX = _padding.left;
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curY = _padding.top;
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_h = _padding.top + _padding.bottom;
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for (uint i = 0; i < _children.size(); ++i) {
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_children[i]->resetLayout();
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_children[i]->reflowLayout();
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if (_children[i]->getWidth() == -1)
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_children[i]->setWidth((_w == -1 ? getParentWidth() : _w) - _padding.left - _padding.right);
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if (_children[i]->getHeight() == -1) {
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assert(rescount < ARRAYSIZE(resize));
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resize[rescount++] = i;
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_children[i]->setHeight(0);
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}
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_children[i]->offsetY(curY);
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// Center child if it this has been requested *and* the space permits it.
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if (_centered && _children[i]->getWidth() < _w && _w != -1) {
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_children[i]->offsetX((_w >> 1) - (_children[i]->getWidth() >> 1));
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} else
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_children[i]->offsetX(curX);
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// Advance the vertical offset by the height of the newest item, plus
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// the item spacing value.
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curY += _children[i]->getHeight() + _spacing;
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// Update width and height of this stack layout
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_w = MAX(_w, (int16)(_children[i]->getWidth() + _padding.left + _padding.right));
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_h += _children[i]->getHeight() + _spacing;
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}
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// If there are any children at all, then we added the spacing value once
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// too often. Correct that.
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if (!_children.empty())
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_h -= _spacing;
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// If there were any items with undetermined height, then compute and set
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// their height now. We do so by determining how much space is left, and
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// then distributing this equally over all items which need auto-resizing.
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if (rescount) {
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int newh = (getParentHeight() - _h - _padding.bottom) / rescount;
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for (int i = 0; i < rescount; ++i) {
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// Set the height of the item.
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_children[resize[i]]->setHeight(newh);
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// Increase the height of this ThemeLayoutStacked accordingly, and
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// then shift all subsequence children.
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_h += newh;
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for (uint j = resize[i] + 1; j < _children.size(); ++j)
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_children[j]->offsetY(newh);
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}
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}
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}
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void ThemeLayoutStacked::reflowLayoutHorizontal() {
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int curX, curY;
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int resize[8];
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int rescount = 0;
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curX = _padding.left;
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curY = _padding.top;
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_w = _padding.left + _padding.right;
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for (uint i = 0; i < _children.size(); ++i) {
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_children[i]->resetLayout();
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_children[i]->reflowLayout();
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if (_children[i]->getHeight() == -1)
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_children[i]->setHeight((_h == -1 ? getParentHeight() : _h) - _padding.top - _padding.bottom);
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if (_children[i]->getWidth() == -1) {
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assert(rescount < ARRAYSIZE(resize));
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resize[rescount++] = i;
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_children[i]->setWidth(0);
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}
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_children[i]->offsetX(curX);
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// Center child if it this has been requested *and* the space permits it.
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if (_centered && _children[i]->getHeight() < _h && _h != -1)
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_children[i]->offsetY((_h >> 1) - (_children[i]->getHeight() >> 1));
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else
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_children[i]->offsetY(curY);
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// Advance the horizontal offset by the width of the newest item, plus
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// the item spacing value.
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curX += (_children[i]->getWidth() + _spacing);
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// Update width and height of this stack layout
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_w += _children[i]->getWidth() + _spacing;
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_h = MAX(_h, (int16)(_children[i]->getHeight() + _padding.top + _padding.bottom));
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}
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// If there are any children at all, then we added the spacing value once
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// too often. Correct that.
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if (!_children.empty())
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_w -= _spacing;
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// If there were any items with undetermined width, then compute and set
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// their width now. We do so by determining how much space is left, and
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// then distributing this equally over all items which need auto-resizing.
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if (rescount) {
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int neww = (getParentWidth() - _w - _padding.right) / rescount;
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for (int i = 0; i < rescount; ++i) {
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// Set the width of the item.
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_children[resize[i]]->setWidth(neww);
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// Increase the width of this ThemeLayoutStacked accordingly, and
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// then shift all subsequence children.
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_w += neww;
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for (uint j = resize[i] + 1; j < _children.size(); ++j)
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_children[j]->offsetX(neww);
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}
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}
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}
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} // End of namespace GUI
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