Initial commit

gui/ThemeEval.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 "gui/ThemeEval.h"
+
+#include "graphics/scaler.h"
+
+#include "common/system.h"
+#include "common/tokenizer.h"
+
+namespace GUI {
+
+ThemeEval::~ThemeEval() {
+	reset();
+}
+
+void ThemeEval::buildBuiltinVars() {
+	_builtin["kThumbnailWidth"] = kThumbnailWidth;
+	_builtin["kThumbnailHeight"] = kThumbnailHeight1;
+	_builtin["kThumbnailHeight2"] = kThumbnailHeight2;
+}
+
+void ThemeEval::reset() {
+	_vars.clear();
+	_curDialog.clear();
+	_curLayout.clear();
+
+	for (LayoutsMap::iterator i = _layouts.begin(); i != _layouts.end(); ++i)
+		delete i->_value;
+
+	_layouts.clear();
+}
+
+bool ThemeEval::getWidgetData(const Common::String &widget, int16 &x, int16 &y, int16 &w, int16 &h) {
+	bool useRTL;
+
+	return getWidgetData(widget, x, y, w, h, useRTL);
+}
+
+bool ThemeEval::getWidgetData(const Common::String &widget, int16 &x, int16 &y, int16 &w, int16 &h, bool &useRTL) {
+	Common::StringTokenizer tokenizer(widget, ".");
+
+	if (widget.hasPrefix("Dialog."))
+		tokenizer.nextToken();
+
+	Common::String dialogName = "Dialog." + tokenizer.nextToken();
+	Common::String widgetName = tokenizer.nextToken();
+
+	if (!_layouts.contains(dialogName))
+		return false;
+
+	return _layouts[dialogName]->getWidgetData(widgetName, x, y, w, h, useRTL);
+}
+
+Graphics::TextAlign ThemeEval::getWidgetTextHAlign(const Common::String &widget) {
+	Common::StringTokenizer tokenizer(widget, ".");
+
+	if (widget.hasPrefix("Dialog."))
+		tokenizer.nextToken();
+
+	Common::String dialogName = "Dialog." + tokenizer.nextToken();
+	Common::String widgetName = tokenizer.nextToken();
+
+	if (!_layouts.contains(dialogName))
+		return Graphics::kTextAlignInvalid;
+
+	return _layouts[dialogName]->getWidgetTextHAlign(widgetName);
+}
+
+ThemeEval &ThemeEval::addWidget(const Common::String &name, const Common::String &type, int w, int h, Graphics::TextAlign align, bool useRTL) {
+	int typeW = -1;
+	int typeH = -1;
+	Graphics::TextAlign typeAlign = Graphics::kTextAlignInvalid;
+
+	if (!type.empty()) {
+		typeW = getVar("Globals." + type + ".Width", -1);
+		typeH = getVar("Globals." + type + ".Height", -1);
+		typeAlign = (Graphics::TextAlign)getVar("Globals." + type + ".Align", Graphics::kTextAlignInvalid);
+	}
+
+	ThemeLayoutWidget *widget;
+	if (type == "TabWidget")
+		widget = new ThemeLayoutTabWidget(_curLayout.top(), name,
+									typeW == -1 ? w : typeW,
+									typeH == -1 ? h : typeH,
+									typeAlign == Graphics::kTextAlignInvalid ? align : typeAlign,
+									getVar("Globals.TabWidget.Tab.Height", 0));
+	else if (type == "ScrollContainerWidget")
+		widget = new ThemeLayoutScrollContainerWidget(_curLayout.top(), name,
+									typeW == -1 ? w : typeW,
+									typeH == -1 ? h : typeH,
+									typeAlign == Graphics::kTextAlignInvalid ? align : typeAlign,
+									getVar("Globals.Scrollbar.Width", 0));
+	else
+		widget = new ThemeLayoutWidget(_curLayout.top(), name,
+									typeW == -1 ? w : typeW,
+									typeH == -1 ? h : typeH,
+									typeAlign == Graphics::kTextAlignInvalid ? align : typeAlign,
+									useRTL);
+
+	_curLayout.top()->addChild(widget);
+
+	return *this;
+}
+
+ThemeEval &ThemeEval::addDialog(const Common::String &name, const Common::String &overlays, int16 width, int16 height, int inset) {
+	Common::String var = "Dialog." + name;
+
+	ThemeLayout *layout = new ThemeLayoutMain(name, overlays, width, height, inset);
+
+	if (_layouts.contains(var))
+		delete _layouts[var];
+
+	_layouts[var] = layout;
+
+	layout->setPadding(
+		getVar("Globals.Padding.Left", 0),
+		getVar("Globals.Padding.Right", 0),
+		getVar("Globals.Padding.Top", 0),
+		getVar("Globals.Padding.Bottom", 0)
+		);
+
+	_curLayout.push(layout);
+	_curDialog = name;
+
+	return *this;
+}
+
+ThemeEval &ThemeEval::addLayout(ThemeLayout::LayoutType type, int spacing, ThemeLayout::ItemAlign itemAlign) {
+	ThemeLayout *layout = nullptr;
+
+	if (spacing == -1)
+		spacing = getVar("Globals.Layout.Spacing");
+
+	layout = new ThemeLayoutStacked(_curLayout.top(), type, spacing, itemAlign);
+
+	assert(layout);
+
+	layout->setPadding(
+		getVar("Globals.Padding.Left", 0),
+		getVar("Globals.Padding.Right", 0),
+		getVar("Globals.Padding.Top", 0),
+		getVar("Globals.Padding.Bottom", 0)
+		);
+
+	_curLayout.top()->addChild(layout);
+	_curLayout.push(layout);
+
+	return *this;
+}
+
+ThemeEval &ThemeEval::addSpace(int size) {
+	ThemeLayout *space = new ThemeLayoutSpacing(_curLayout.top(), size);
+	_curLayout.top()->addChild(space);
+
+	return *this;
+}
+
+#define SCALEVALUE(val) (val > 0 ? val * _scaleFactor : val)
+
+ThemeEval &ThemeEval::addPadding(int16 l, int16 r, int16 t, int16 b) {
+	_curLayout.top()->setPadding(SCALEVALUE(l), SCALEVALUE(r), SCALEVALUE(t), SCALEVALUE(b));
+
+	return *this;
+}
+
+bool ThemeEval::hasDialog(const Common::String &name) {
+	Common::StringTokenizer tokenizer(name, ".");
+
+	if (name.hasPrefix("Dialog."))
+		tokenizer.nextToken();
+
+	Common::String dialogName = "Dialog." + tokenizer.nextToken();
+	return _layouts.contains(dialogName);
+}
+
+void ThemeEval::reflowDialogLayout(const Common::String &name, Widget *widgetChain) {
+	if (!_layouts.contains("Dialog." + name)) {
+		warning("No layout found for dialog '%s'", name.c_str());
+		return;
+	}
+
+	_layouts["Dialog." + name]->reflowLayout(widgetChain);
+}
+
+ThemeEval &ThemeEval::addImportedLayout(const Common::String &name) {
+	ThemeLayout *importedLayout = _layouts[name];
+	assert(importedLayout);
+
+	_curLayout.top()->importLayout(importedLayout);
+
+	return *this;
+}
+
+} // End of namespace GUI