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344
devtools/create_engine/files_events/events.cpp
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344
devtools/create_engine/files_events/events.cpp
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/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "common/config-manager.h"
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#include "graphics/screen.h"
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#include "xyzzy/events.h"
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#include "xyzzy/xyzzy.h"
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#include "xyzzy/views.h"
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namespace Xyzzy {
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Events *g_events;
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Events::Events() : UIElement("Root", nullptr) {
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g_events = this;
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}
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Events::~Events() {
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g_events = nullptr;
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}
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void Events::runGame() {
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uint currTime, nextFrameTime = 0;
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_screen = new Graphics::Screen();
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Views views; // Loads all views in the structure
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// Run the game
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int saveSlot = ConfMan.getInt("save_slot");
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if (saveSlot != -1)
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g_engine->loadGameState(saveSlot);
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addView("View1");
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Common::Event e;
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while (!_views.empty() && !shouldQuit()) {
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while (g_system->getEventManager()->pollEvent(e)) {
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if (e.type == Common::EVENT_QUIT ||
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e.type == Common::EVENT_RETURN_TO_LAUNCHER) {
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_views.clear();
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break;
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} else {
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processEvent(e);
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}
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}
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if (_views.empty())
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break;
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g_system->delayMillis(10);
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if ((currTime = g_system->getMillis()) >= nextFrameTime) {
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nextFrameTime = currTime + FRAME_DELAY;
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tick();
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drawElements();
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_screen->update();
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}
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}
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delete _screen;
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}
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void Events::processEvent(Common::Event &ev) {
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switch (ev.type) {
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case Common::EVENT_KEYDOWN:
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if (ev.kbd.keycode < Common::KEYCODE_NUMLOCK)
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msgKeypress(KeypressMessage(ev.kbd));
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break;
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case Common::EVENT_CUSTOM_ENGINE_ACTION_START:
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msgAction(ActionMessage(ev.customType));
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break;
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case Common::EVENT_LBUTTONDOWN:
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case Common::EVENT_RBUTTONDOWN:
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case Common::EVENT_MBUTTONDOWN:
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msgMouseDown(MouseDownMessage(ev.type, ev.mouse));
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break;
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case Common::EVENT_LBUTTONUP:
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case Common::EVENT_RBUTTONUP:
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case Common::EVENT_MBUTTONUP:
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msgMouseUp(MouseUpMessage(ev.type, ev.mouse));
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break;
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case Common::EVENT_MOUSEMOVE:
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msgMouseMove(MouseMoveMessage(ev.type, ev.mouse));
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break;
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default:
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break;
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}
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}
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void Events::replaceView(UIElement *ui, bool replaceAllViews) {
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assert(ui);
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UIElement *priorView = focusedView();
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if (replaceAllViews) {
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clearViews();
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} else if (!_views.empty()) {
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priorView->msgUnfocus(UnfocusMessage());
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_views.pop();
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}
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_views.push(ui);
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ui->redraw();
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ui->msgFocus(FocusMessage(priorView));
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}
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void Events::replaceView(const Common::String &name, bool replaceAllViews) {
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replaceView(findView(name));
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}
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void Events::addView(UIElement *ui) {
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assert(ui);
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UIElement *priorView = focusedView();
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if (!_views.empty())
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priorView->msgUnfocus(UnfocusMessage());
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_views.push(ui);
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ui->redraw();
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ui->msgFocus(FocusMessage(priorView));
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}
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void Events::addView(const Common::String &name) {
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addView(findView(name));
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}
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void Events::popView() {
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UIElement *priorView = focusedView();
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priorView->msgUnfocus(UnfocusMessage());
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_views.pop();
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for (int i = 0; i < (int)_views.size() - 1; ++i) {
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_views[i]->redraw();
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_views[i]->draw();
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}
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if (!_views.empty()) {
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UIElement *view = focusedView();
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view->msgFocus(FocusMessage(priorView));
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view->redraw();
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view->draw();
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}
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}
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void Events::redrawViews() {
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for (uint i = 0; i < _views.size(); ++i) {
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_views[i]->redraw();
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_views[i]->draw();
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}
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}
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bool Events::isPresent(const Common::String &name) const {
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for (uint i = 0; i < _views.size(); ++i) {
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if (_views[i]->_name == name)
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return true;
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}
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return false;
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}
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void Events::clearViews() {
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if (!_views.empty())
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focusedView()->msgUnfocus(UnfocusMessage());
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_views.clear();
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}
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void Events::addKeypress(const Common::KeyCode kc) {
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Common::KeyState ks;
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ks.keycode = kc;
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if (kc >= Common::KEYCODE_SPACE && kc <= Common::KEYCODE_TILDE)
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ks.ascii = kc;
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focusedView()->msgKeypress(KeypressMessage(ks));
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}
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/*------------------------------------------------------------------------*/
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Bounds::Bounds(Common::Rect &innerBounds) :
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_bounds(0, 0, 320, 200),
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_innerBounds(innerBounds),
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left(_bounds.left), top(_bounds.top),
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right(_bounds.right), bottom(_bounds.bottom) {
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}
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Bounds &Bounds::operator=(const Common::Rect &r) {
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_bounds = r;
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_innerBounds = r;
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_innerBounds.grow(-_borderSize);
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return *this;
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}
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void Bounds::setBorderSize(size_t borderSize) {
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_borderSize = borderSize;
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_innerBounds = *this;
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_innerBounds.grow(-_borderSize);
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}
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/*------------------------------------------------------------------------*/
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UIElement::UIElement(const Common::String &name) :
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_name(name), _parent(g_engine), _bounds(_innerBounds) {
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g_engine->_children.push_back(this);
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}
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UIElement::UIElement(const Common::String &name, UIElement *uiParent) :
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_name(name), _parent(uiParent),
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_bounds(_innerBounds) {
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if (_parent)
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_parent->_children.push_back(this);
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}
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void UIElement::redraw() {
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_needsRedraw = true;
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for (size_t i = 0; i < _children.size(); ++i)
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_children[i]->redraw();
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}
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void UIElement::drawElements() {
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if (_needsRedraw) {
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draw();
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_needsRedraw = false;
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}
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for (size_t i = 0; i < _children.size(); ++i)
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_children[i]->drawElements();
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}
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UIElement *UIElement::findViewGlobally(const Common::String &name) {
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return g_events->findView(name);
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}
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void UIElement::focus() {
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g_events->replaceView(this);
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}
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void UIElement::close() {
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assert(g_events->focusedView() == this);
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g_events->popView();
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}
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bool UIElement::isFocused() const {
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return g_events->focusedView() == this;
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}
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void UIElement::clearSurface() {
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Graphics::ManagedSurface s = getSurface();
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s.fillRect(Common::Rect(s.w, s.h), 0);
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}
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void UIElement::draw() {
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for (size_t i = 0; i < _children.size(); ++i) {
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_children[i]->draw();
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}
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}
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bool UIElement::tick() {
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if (_timeoutCtr && --_timeoutCtr == 0) {
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timeout();
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}
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for (size_t i = 0; i < _children.size(); ++i) {
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if (_children[i]->tick())
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return true;
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}
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return false;
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}
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UIElement *UIElement::findView(const Common::String &name) {
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if (_name.equalsIgnoreCase(name))
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return this;
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UIElement *result;
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for (size_t i = 0; i < _children.size(); ++i) {
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if ((result = _children[i]->findView(name)) != nullptr)
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return result;
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}
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return nullptr;
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}
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void UIElement::replaceView(UIElement *ui, bool replaceAllViews) {
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g_events->replaceView(ui, replaceAllViews);
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}
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void UIElement::replaceView(const Common::String &name, bool replaceAllViews) {
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g_events->replaceView(name, replaceAllViews);
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}
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void UIElement::addView(UIElement *ui) {
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g_events->addView(ui);
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}
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void UIElement::addView(const Common::String &name) {
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g_events->addView(name);
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}
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void UIElement::addView() {
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g_events->addView(this);
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}
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Graphics::ManagedSurface UIElement::getSurface() const {
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return Graphics::ManagedSurface(*g_events->getScreen(), _bounds);
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}
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int UIElement::getRandomNumber(int minNumber, int maxNumber) {
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return g_engine->getRandomNumber(maxNumber - minNumber + 1) + minNumber;
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}
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int UIElement::getRandomNumber(int maxNumber) {
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return g_engine->getRandomNumber(maxNumber);
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}
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void UIElement::delaySeconds(uint seconds) {
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_timeoutCtr = seconds * FRAME_RATE;
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}
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void UIElement::delayFrames(uint frames) {
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_timeoutCtr = frames;
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}
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void UIElement::timeout() {
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redraw();
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}
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} // namespace Xyzzy
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