Initial commit

gui/object.cpp

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+/* 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "common/textconsole.h"
+
+#include "gui/object.h"
+#include "gui/widget.h"
+#include "gui/gui-manager.h"
+#include "gui/ThemeEval.h"
+
+namespace GUI {
+
+#define SCALEVALUE(val) (val > 0 ? val * g_gui.getScaleFactor() : val)
+
+GuiObject::GuiObject(int x, int y, int w, int h, bool scale) : _useRTL(true), _firstWidget(nullptr) {
+	if (scale) {
+		_x = SCALEVALUE(x);
+		_y = SCALEVALUE(y);
+		_w = SCALEVALUE(w);
+		_h = SCALEVALUE(h);
+	} else {
+		_x = x;
+		_y = y;
+		_w = w;
+		_h = h;
+	}
+}
+
+GuiObject::GuiObject(const Common::String &name)
+	: _x(-1000), _y(-1000), _w(0), _h(0), _useRTL(true), _name(name), _firstWidget(nullptr) {
+}
+
+GuiObject::~GuiObject() {
+	delete _firstWidget;
+	_firstWidget = nullptr;
+}
+
+void GuiObject::resize(int x, int y, int w, int h, bool scale) {
+	if (scale) {
+		_x = SCALEVALUE(x);
+		_y = SCALEVALUE(y);
+		_w = SCALEVALUE(w);
+		_h = SCALEVALUE(h);
+	} else {
+		_x = x; _y = y;
+		_w = w; _h = h;
+	}
+}
+
+Widget *GuiObject::addChild(Widget *newChild) {
+	Widget *oldFirstWidget = _firstWidget;
+	_firstWidget = newChild;
+	return oldFirstWidget;
+}
+
+void GuiObject::reflowLayout() {
+	if (!_name.empty()) {
+		int16 w, h;
+		bool useRTL = true;
+		if (!g_gui.xmlEval()->getWidgetData(_name, _x, _y, w, h, useRTL) || w == -1 || h == -1) {
+			error("Unable to load widget position for '%s'. Please check your theme files for theme '%s'", _name.c_str(), g_gui.theme()->getThemeId().c_str());
+		}
+
+		_w = w;
+		_h = h;
+		_useRTL = useRTL;
+	}
+}
+
+void GuiObject::removeWidget(Widget *del) {
+	if (del == _firstWidget) {
+		Widget *del_next = del->next();
+		del->setNext(nullptr);
+		_firstWidget = del_next;
+		return;
+	}
+
+	Widget *w = _firstWidget;
+	while (w) {
+		if (w->next() == del) {
+			Widget *del_next = del->next();
+			del->setNext(nullptr);
+			w->setNext(del_next);
+			return;
+		}
+		w = w->next();
+	}
+}
+
+Common::Rect GuiObject::getClipRect() const {
+	return Common::Rect(getAbsX(), getAbsY(), getAbsX() + getWidth(), getAbsY() + getHeight());
+}
+
+} // End of namespace GUI