Massive refactoring/cleanup on the theme engine/parser.

svn-id: r34285

1 files changed, 227 insertions, 0 deletions

diff --git a/gui/ThemeLayout.cpp b/gui/ThemeLayout.cpp
new file mode 100644
index 0000000000..a70fb6cdc6
--- /dev/null
+++ b/gui/ThemeLayout.cpp
@@ -0,0 +1,227 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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 (at your option) 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+#include "common/util.h"
+#include "common/system.h"
+#include "common/events.h"
+#include "common/hashmap.h"
+#include "common/hash-str.h"
+#include "common/xmlparser.h"
+#include "graphics/scaler.h"
+
+#include "gui/ThemeEval.h"
+#include "gui/ThemeLayout.h"
+
+namespace GUI {
+
+void ThemeLayout::importLayout(ThemeLayout *layout) {
+	assert(layout->getLayoutType() == kLayoutMain);
+	
+	if (layout->_children.size() == 0)
+		return;
+	
+	layout = layout->_children[0];
+	
+	if (getLayoutType() == layout->getLayoutType()) {
+		for (uint i = 0; i < layout->_children.size(); ++i)
+			_children.push_back(layout->_children[i]->buildCopy()); 
+	} else {
+		_children.push_back(layout->buildCopy()); 
+	}
+}
+
+bool ThemeLayout::getWidgetData(const Common::String &name, int16 &x, int16 &y, uint16 &w, uint16 &h) {
+	for (uint i = 0; i < _children.size(); ++i) {
+		if (_children[i]->getWidgetData(name, x, y, w, h))
+			return true;
+	}
+	
+	return false;
+}
+
+int16 ThemeLayout::getParentW() {
+	ThemeLayout *p = _parent;
+	int width = 0;
+	
+	while (p && p->getLayoutType() != kLayoutMain) {
+		width += p->_paddingRight + p->_paddingLeft;
+		if (p->getLayoutType() == kLayoutHorizontal) {
+			for (uint i = 0; i < p->_children.size(); ++i)
+				width += p->_children[i]->getHeight() + p->_spacing;
+		}
+		p = p->_parent;
+	}
+	
+	return p->getWidth() - width;
+}
+
+int16 ThemeLayout::getParentH() {
+	ThemeLayout *p = _parent;
+	int height = 0;
+	
+	while (p && p->getLayoutType() != kLayoutMain) {
+		height += p->_paddingBottom + p->_paddingTop;
+		if (p->getLayoutType() == kLayoutVertical) {
+			for (uint i = 0; i < p->_children.size(); ++i)
+				height += p->_children[i]->getHeight() + p->_spacing;
+		}
+		p = p->_parent;
+	}
+	
+	return p->getHeight() - height;
+}
+
+
+bool ThemeLayoutWidget::getWidgetData(const Common::String &name, int16 &x, int16 &y, uint16 &w, uint16 &h) {
+	if (name == _name) {
+		x = _x; y = _y;
+		w = _w; h = _h;
+		return true;
+	}
+	
+	return false;
+}
+
+void ThemeLayoutMain::reflowLayout() {
+	assert(_children.size() <= 1);
+	
+	if (_children.size()) {
+		_children[0]->resetLayout();
+		_children[0]->setWidth(_w);
+		_children[0]->setHeight(_h);
+		_children[0]->reflowLayout();
+		
+		if (_w == -1)
+			_w = _children[0]->getWidth();
+			
+		if (_h == -1)
+			_h = _children[0]->getHeight();
+		
+		if (_y == -1)
+			_y = (g_system->getOverlayHeight() >> 1) - (_h >> 1);
+		
+		if (_x == -1)
+			_x = (g_system->getOverlayWidth() >> 1) - (_w >> 1);
+	}
+}
+
+void ThemeLayoutVertical::reflowLayout() {
+	int curX, curY;
+	int resize[8];
+	int rescount = 0;
+	
+	curX = _paddingLeft;
+	curY = _paddingTop;
+	_h = _paddingTop + _paddingBottom;
+	
+	for (uint i = 0; i < _children.size(); ++i) {
+	
+		_children[i]->resetLayout();
+		_children[i]->reflowLayout();
+
+		if (_children[i]->getWidth() == -1)
+			_children[i]->setWidth((_w == -1 ? getParentW() : _w) - _paddingLeft - _paddingRight);
+			
+		if (_children[i]->getHeight() == -1) {
+			resize[rescount++] = i;
+			_children[i]->setHeight(0);
+		}
+			
+		_children[i]->setY(curY);
+		
+		if (_centered && _children[i]->getWidth() < _w && _w != -1) {
+			_children[i]->setX((_w >> 1) - (_children[i]->getWidth() >> 1));
+		}
+		else
+			_children[i]->setX(curX);
+
+		curY += _children[i]->getHeight() + _spacing;	
+		_w = MAX(_w, (int16)(_children[i]->getWidth() + _paddingLeft + _paddingRight));
+		_h += _children[i]->getHeight() + _spacing;
+	}
+	
+	_h -= _spacing;
+	
+	if (rescount) {
+		int newh = (getParentH() - _h - _paddingBottom) / rescount;
+		
+		for (int i = 0; i < rescount; ++i) {
+			_children[resize[i]]->setHeight(newh);
+			_h += newh;
+			for (uint j = resize[i] + 1; j < _children.size(); ++j)
+				_children[j]->setY(newh);
+		}
+	}
+}
+
+void ThemeLayoutHorizontal::reflowLayout() {
+	int curX, curY;
+	int resize[8];
+	int rescount = 0;
+
+	curX = _paddingLeft;
+	curY = _paddingTop;
+	_w = _paddingLeft + _paddingRight;
+		
+	for (uint i = 0; i < _children.size(); ++i) {
+	
+		_children[i]->resetLayout();
+		_children[i]->reflowLayout();
+	
+		if (_children[i]->getHeight() == -1)
+			_children[i]->setHeight((_h == -1 ? getParentH() : _h) - _paddingTop - _paddingBottom);
+
+		if (_children[i]->getWidth() == -1) {
+			resize[rescount++] = i;
+			_children[i]->setWidth(0);
+		}
+			
+		_children[i]->setX(curX);
+		
+		if (_centered && _children[i]->getHeight() < _h && _h != -1)
+			_children[i]->setY((_h >> 1) - (_children[i]->getHeight() >> 1));
+		else
+			_children[i]->setY(curY);
+			
+		curX += (_children[i]->getWidth() + _spacing);
+		_w += _children[i]->getWidth() + _spacing;
+		_h = MAX(_h, (int16)(_children[i]->getHeight() + _paddingTop + _paddingBottom));
+	}
+	
+	_w -= _spacing;
+	
+	if (rescount) {
+		int neww = (getParentW() - _w - _paddingRight) / rescount;
+		
+		for (int i = 0; i < rescount; ++i) {
+			_children[resize[i]]->setWidth(neww);
+			_w += neww;
+			for (uint j = resize[i] + 1; j < _children.size(); ++j)
+				_children[j]->setX(neww);
+		}
+	}
+}
+
+
+}
\ No newline at end of file