Initial commit

engines/ultima/ultima8/gumps/paged_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 "common/events.h"
+
+#include "ultima/ultima8/gumps/paged_gump.h"
+#include "ultima/ultima8/games/game_data.h"
+#include "ultima/ultima8/gfx/gump_shape_archive.h"
+#include "ultima/ultima8/kernel/mouse.h"
+#include "ultima/ultima8/gumps/widgets/button_widget.h"
+
+namespace Ultima {
+namespace Ultima8 {
+
+DEFINE_RUNTIME_CLASSTYPE_CODE(PagedGump)
+
+PagedGump::PagedGump(int left, int right, int top, int shape):
+	ModalGump(0, 0, 5, 5), _leftOff(left), _rightOff(right), _topOff(top),
+	_gumpShape(shape), _nextButton(nullptr), _prevButton(nullptr),
+	_current(0), _buttonsEnabled(true) {
+}
+
+PagedGump::~PagedGump(void) {
+}
+
+void PagedGump::Close(bool no_del) {
+	Mouse::get_instance()->popMouseCursor();
+	for (auto *g : _gumps) {
+		g->Close(no_del); // CHECKME: no_del?
+	}
+
+	ModalGump::Close(no_del);
+}
+
+static const int pageOverShape = 34;
+
+void PagedGump::InitGump(Gump *newparent, bool take_focus) {
+	ModalGump::InitGump(newparent, take_focus);
+
+	_shape = GameData::get_instance()->getGumps()->getShape(_gumpShape);
+	UpdateDimsFromShape();
+
+	FrameID buttonleft(GameData::GUMPS, pageOverShape, 0);
+	FrameID buttonright(GameData::GUMPS, pageOverShape, 1);
+
+	//!! Hardcoded gump
+	_nextButton = new ButtonWidget(0, 0, buttonright, buttonright, false,
+	                              LAYER_ABOVE_NORMAL);
+	_nextButton->InitGump(this);
+	_nextButton->setRelativePosition(TOP_RIGHT, _rightOff, _topOff);
+
+	_prevButton = new ButtonWidget(0, 0, buttonleft, buttonleft, false,
+	                              LAYER_ABOVE_NORMAL);
+	_prevButton->InitGump(this);
+	_prevButton->setRelativePosition(TOP_LEFT, _leftOff, _topOff);
+	_prevButton->HideGump();
+
+	Mouse *mouse = Mouse::get_instance();
+	mouse->pushMouseCursor(Mouse::MOUSE_HAND);
+}
+
+void PagedGump::PaintThis(RenderSurface *surf, int32 lerp_factor, bool scaled) {
+	Gump::PaintThis(surf, lerp_factor, scaled);
+}
+
+void PagedGump::onMouseDouble(int button, int32 mx, int32 my) {
+	Close();
+}
+
+bool PagedGump::OnKeyDown(int key, int mod) {
+	if (_current < _gumps.size())
+		if (_gumps[_current]->OnKeyDown(key, mod))
+			return true;
+
+	switch (key) {
+	case Common::KEYCODE_ESCAPE:
+		Close();
+		return true;
+	default:
+		break;
+	}
+
+	return true;
+}
+
+void PagedGump::ChildNotify(Gump *child, uint32 message) {
+	if (!_buttonsEnabled) return;
+	if (_gumps.empty()) return;
+
+	ObjId cid = child->getObjId();
+
+	if (message == ButtonWidget::BUTTON_UP) {
+		if (cid == _nextButton->getObjId()) {
+			if (_current + 1 < _gumps.size()) {
+				_gumps[_current]->HideGump();
+				++_current;
+				_gumps[_current]->UnhideGump();
+				_gumps[_current]->MakeFocus();
+
+				if (_current + 1 == _gumps.size())
+					_nextButton->HideGump();
+
+				_prevButton->UnhideGump();
+			}
+		} else if (cid == _prevButton->getObjId()) {
+			if (_current > 0) {
+				_gumps[_current]->HideGump();
+				--_current;
+				_gumps[_current]->UnhideGump();
+				_gumps[_current]->MakeFocus();
+
+				if (_current == 0)
+					_prevButton->HideGump();
+
+				_nextButton->UnhideGump();
+			}
+		}
+	}
+}
+
+void PagedGump::addPage(Gump *g) {
+	assert(g->GetParent() == this);
+	g->setRelativePosition(TOP_CENTER, 0, 3 + _topOff);
+	g->HideGump();
+	_gumps.push_back(g);
+
+	_current = 0;
+	_gumps[_current]->UnhideGump();
+	if (_focusChild != _gumps[_current])
+		_gumps[_current]->MakeFocus();
+
+	if (_current + 1 == _gumps.size())
+		_nextButton->HideGump();
+	else
+		_nextButton->UnhideGump();
+}
+
+void PagedGump::showPage(uint index) {
+	if (index >= _gumps.size())
+		return;
+
+	_gumps[_current]->HideGump();
+	_current = index;
+	_gumps[_current]->UnhideGump();
+	_gumps[_current]->MakeFocus();
+
+	if (_current + 1 == _gumps.size())
+		_nextButton->HideGump();
+	else
+		_nextButton->UnhideGump();
+
+	if (_current == 0)
+		_prevButton->HideGump();
+	else
+		_prevButton->UnhideGump();
+}
+
+bool PagedGump::loadData(Common::ReadStream *rs) {
+	warning("Trying to load ModalGump");
+	return false;
+}
+
+void PagedGump::saveData(Common::WriteStream *ws) {
+	warning("Trying to save ModalGump");
+}
+
+} // End of namespace Ultima8
+} // End of namespace Ultima