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engines/ultima/ultima8/gumps/ask_gump.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 "ultima/ultima8/gumps/ask_gump.h"
+#include "ultima/ultima8/gumps/bark_gump.h"
+#include "ultima/ultima8/gumps/widgets/button_widget.h"
+#include "ultima/ultima8/usecode/uc_list.h"
+#include "ultima/ultima8/usecode/uc_machine.h"
+
+namespace Ultima {
+namespace Ultima8 {
+
+// p_dynamic_class stuff
+DEFINE_RUNTIME_CLASSTYPE_CODE(AskGump)
+
+AskGump::AskGump() : ItemRelativeGump(), _answers(0) {
+}
+
+AskGump::AskGump(uint16 owner, UCList *answers) :
+	ItemRelativeGump(0, 0, 0, 0, owner, FLAG_KEEP_VISIBLE, LAYER_ABOVE_NORMAL),
+	_answers(new UCList(2)) {
+	_answers->copyStringList(*answers);
+}
+
+AskGump::~AskGump() {
+	_answers->freeStrings();
+	delete _answers;
+}
+
+// Init the gump, call after construction
+void AskGump::InitGump(Gump *newparent, bool take_focus) {
+	// OK, this is a bit of a hack, but it's how it has to be
+	int fontnum = BarkGump::dialogFontForActor(_owner);
+
+	int px = 0, py = 0;
+
+	// This is a hack. We init the gump twice...
+	ItemRelativeGump::InitGump(newparent, take_focus);
+
+	for (unsigned int i = 0; i < _answers->getSize(); ++i) {
+		Std::string str_answer = "@ ";
+		str_answer += UCMachine::get_instance()->getString(_answers->getStringIndex(i));
+
+		ButtonWidget *child = new ButtonWidget(px, py, str_answer,
+		                                       true, fontnum);
+		child->InitGump(this);
+		child->SetIndex(i);
+
+		Common::Rect32 cd = child->getDims();
+		if (i + 1 < _answers->getSize())
+			cd.setHeight(cd.height() + child->getVlead());
+
+		if (px + cd.width() > 160 && px != 0) {
+			py = _dims.height();
+			px = 0;
+			child->Move(px, py);
+		}
+
+		if (cd.width() + px > _dims.width())
+			_dims.setWidth(cd.width() + px);
+		if (cd.height() + py > _dims.height())
+			_dims.setHeight(cd.height() + py);
+
+		px += cd.width() + 4;
+	}
+
+	// Wait with ItemRelativeGump initialization until we calculated our size.
+	ItemRelativeGump::InitGump(newparent, take_focus);
+}
+
+void AskGump::ChildNotify(Gump *child, uint32 message) {
+	if (message == ButtonWidget::BUTTON_CLICK) {
+		uint16 s = _answers->getStringIndex(child->GetIndex());
+		_processResult = s;
+
+		// _answers' strings are going to be deleted, so make sure
+		// the response string won't be deleted
+		_answers->removeString(s, true); //!! assuming that answers doesn't
+		//!! contain two identical strings
+		Close();
+	}
+}
+
+void AskGump::saveData(Common::WriteStream *ws) {
+	ItemRelativeGump::saveData(ws);
+
+	_answers->save(ws);
+}
+
+bool AskGump::loadData(Common::ReadStream *rs, uint32 version) {
+	if (!ItemRelativeGump::loadData(rs, version)) return false;
+
+	_answers = new UCList(2);
+	_answers->load(rs, version);
+
+	// HACK ALERT
+	int px = 0, py = 0;
+
+	_dims.setWidth(0);
+	_dims.setHeight(0);
+
+
+	for (unsigned int i = 0; i < _answers->getSize(); ++i) {
+
+		ButtonWidget *child = nullptr;
+
+		for (auto *g : _children) {
+			if (g->GetIndex() != (int)i)
+				continue;
+			child = dynamic_cast<ButtonWidget *>(g);
+			if (!child)
+				continue;
+		}
+
+		if (!child) return false;
+
+		Common::Rect32 cd = child->getDims();
+
+		if (px + cd.width() > 160 && px != 0) {
+			py = _dims.height();
+			px = 0;
+		}
+		child->Move(px, py);
+
+		if (cd.width() + px > _dims.width())
+			_dims.setWidth(cd.width() + px);
+		if (cd.height() + py > _dims.height())
+			_dims.setHeight(cd.height() + py);
+
+		px += cd.width() + 4;
+	}
+
+	return true;
+}
+
+} // End of namespace Ultima8
+} // End of namespace Ultima