InterfaceManager functionality translated into a Theme subclass "ThemeRenderer" to easen integration with the current GUI.
svn-id: r32876
This commit is contained in:
Vicent Marti
parent
6c85e960b2
commit
d385c34dd0
11 changed files with 101 additions and 253 deletions
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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
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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#include "common/util.h"
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#include "graphics/surface.h"
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#include "graphics/colormasks.h"
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#include "common/system.h"
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#include "common/events.h"
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#include "common/config-manager.h"
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#include "gui/launcher.h"
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#include "gui/InterfaceManager.h"
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#include "graphics/VectorRenderer.h"
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DECLARE_SINGLETON(GUI::InterfaceManager);
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namespace GUI {
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using namespace Graphics;
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const char *InterfaceManager::kDrawDataStrings[] = {
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"mainmenu_bg",
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"special_bg",
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"plain_bg",
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"default_bg",
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"button_idle",
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"button_hover",
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"surface",
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"slider_full",
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"slider_empty",
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"checkbox_enabled",
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"checkbox_disabled",
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"tab",
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"scrollbar_base",
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"scrollbar_top",
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"scrollbar_bottom",
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"scrollbar_handle",
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"popup",
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"caret",
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"separator"
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};
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InterfaceManager::InterfaceManager() :
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_vectorRenderer(0), _system(0), _graphicsMode(kGfxDisabled),
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_screen(0), _bytesPerPixel(0), _initOk(false), _themeOk(false),
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_needThemeLoad(false), _enabled(false) {
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_system = g_system;
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_parser = new ThemeParser(this);
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for (int i = 0; i < kDrawDataMAX; ++i) {
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_widgets[i] = 0;
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}
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_graphicsMode = kGfxAntialias16bit; // default GFX mode
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// TODO: load this from a config file
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}
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template<typename PixelType>
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void InterfaceManager::screenInit() {
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freeScreen();
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_screen = new Surface;
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_screen->create(_system->getOverlayWidth(), _system->getOverlayHeight(), sizeof(PixelType));
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_system->clearOverlay();
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}
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void InterfaceManager::setGraphicsMode(Graphics_Mode mode) {
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// FIXME: reload theme everytime we change resolution...
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// what if we change the renderer too?
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// ...We may need to reload it to re-cache the widget
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// surfaces
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if (_system->getOverlayWidth() != _screen->w ||
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_system->getOverlayHeight() != _screen->h)
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_needThemeLoad = true;
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switch (mode) {
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case kGfxStandard16bit:
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case kGfxAntialias16bit:
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_bytesPerPixel = sizeof(uint16);
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screenInit<uint16>();
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break;
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default:
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return;
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}
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freeRenderer();
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_vectorRenderer = createRenderer(mode);
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_vectorRenderer->setSurface(_screen);
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}
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void InterfaceManager::addDrawStep(Common::String &drawDataId, Graphics::DrawStep *step) {
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DrawData id = getDrawDataId(drawDataId);
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assert(_widgets[id] != 0);
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_widgets[id]->_steps.push_back(step);
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}
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bool InterfaceManager::addDrawData(DrawData data_id, bool cached) {
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assert(data_id >= 0 && data_id < kDrawDataMAX);
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if (_widgets[data_id] != 0)
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return false;
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_widgets[data_id] = new WidgetDrawData;
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_widgets[data_id]->_cached = cached;
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return true;
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}
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bool InterfaceManager::loadTheme(Common::String themeName) {
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unloadTheme();
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if (!loadThemeXML(themeName)) {
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warning("Could not parse custom theme '%s'.\nFalling back to default theme", themeName.c_str());
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if (!loadDefaultXML()) // if we can't load the embeded theme, this is a complete failure
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error("Could not load default embeded theme");
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}
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for (int i = 0; i < kDrawDataMAX; ++i) {
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if (_widgets[i] == 0) {
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#ifdef REQUIRE_ALL_DD_SETS
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warning("Error when parsing custom theme '%s': Missing data assets.", themeName.c_str());
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return false;
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#endif
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} else if (_widgets[i]->_cached) {
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// draw the cached widget to the cache surface
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}
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}
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_needThemeLoad = false;
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_themeOk = true;
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return true;
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}
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bool InterfaceManager::loadThemeXML(Common::String themeName) {
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assert(_parser);
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if (ConfMan.hasKey("themepath"))
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Common::File::addDefaultDirectory(ConfMan.get("themepath"));
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#ifdef DATA_PATH
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Common::File::addDefaultDirectoryRecursive(DATA_PATH);
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#endif
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if (ConfMan.hasKey("extrapath"))
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Common::File::addDefaultDirectoryRecursive(ConfMan.get("extrapath"));
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if (!parser()->loadFile(themeName + ".xml"))
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return false;
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return parser()->parse();
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}
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void InterfaceManager::init() {
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if (!_screen || _system->getOverlayWidth() != _screen->w ||
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_system->getOverlayHeight() != _screen->h )
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setGraphicsMode(_graphicsMode);
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if (needThemeReload())
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loadTheme();
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_initOk = true;
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}
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bool InterfaceManager::isWidgetCached(DrawData type, const Common::Rect &r) {
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return _widgets[type] && _widgets[type]->_cached &&
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_widgets[type]->_surfaceCache->w == r.width() &&
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_widgets[type]->_surfaceCache->h == r.height();
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}
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void InterfaceManager::drawCached(DrawData type, const Common::Rect &r) {
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assert(_widgets[type]->_surfaceCache->bytesPerPixel == _screen->bytesPerPixel);
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_vectorRenderer->blitSurface(_widgets[type]->_surfaceCache, r);
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}
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void InterfaceManager::drawDD(DrawData type, const Common::Rect &r) {
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if (isWidgetCached(type, r)) {
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drawCached(type, r);
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} else {
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for (uint i = 0; i < _widgets[type]->_steps.size(); ++i)
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_vectorRenderer->drawStep(r, *_widgets[type]->_steps[i]);
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}
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}
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void InterfaceManager::drawButton(const Common::Rect &r, const Common::String &str, WidgetStateInfo state, uint16 hints) {
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if (!ready())
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return;
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if (state == kStateEnabled)
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drawDD(kDDButtonIdle, r);
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else if (state == kStateHighlight)
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drawDD(kDDButtonHover, r);
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// TODO: Add text drawing.
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addDirtyRect(r);
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}
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void InterfaceManager::drawLineSeparator(const Common::Rect &r, WidgetStateInfo state) {
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if (!ready())
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return;
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drawDD(kDDSeparator, r);
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addDirtyRect(r);
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}
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void InterfaceManager::drawCheckbox(const Common::Rect &r, const Common::String &str, bool checked, WidgetStateInfo state) {
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if (!ready())
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return;
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drawDD(checked ? kDDCheckboxEnabled : kDDCheckboxDisabled, r);
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Common::Rect r2 = r;
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r2.left += 16; // TODO: add variable for checkbox text offset.
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// TODO: text drawing
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// getFont()->drawString(&_screen, str, r2.left, r2.top, r2.width(), getColor(state), Graphics::kTextAlignLeft, 0, false);
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addDirtyRect(r);
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}
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void InterfaceManager::drawSlider(const Common::Rect &r, int width, WidgetStateInfo state) {
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if (!ready())
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return;
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drawDD(kDDSliderEmpty, r);
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Common::Rect r2 = r;
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r2.setWidth(MIN((int16)width, r.width()));
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drawDD(kDDSliderFull, r2);
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addDirtyRect(r);
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}
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void InterfaceManager::drawScrollbar(const Common::Rect &r, int sliderY, int sliderHeight, ScrollbarState sb_state, WidgetStateInfo state) {
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if (!ready())
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return;
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}
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void InterfaceManager::redrawDialogStack() {
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_vectorRenderer->clearSurface();
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for (int i = 0; i < _dialogStack.size(); ++i)
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_dialogStack[i]->draw();
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}
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void InterfaceManager::openDialog(Dialogs dname, Dialog *parent) {
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Dialog *dlg = 0;
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switch (dname) {
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case kDialogLauncher:
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dlg = new GUI::LauncherDialog;
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break;
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default:
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error("Unhandled dialog opening");
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break;
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}
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if (dlg)
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_dialogStack.push(dlg);
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}
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int InterfaceManager::runGUI() {
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init();
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if (!ready())
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return 0;
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Common::EventManager *eventMan = _system->getEventManager();
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Dialog *activeDialog = getTopDialog();
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Dialog *lastDialog = 0;
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if (!activeDialog)
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return 0;
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bool stackChange;
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int button;
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uint32 time;
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_system->showOverlay();
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while (activeDialog) { // draw!!
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stackChange = (activeDialog != lastDialog);
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lastDialog = activeDialog;
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if (stackChange || needRedraw())
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redrawDialogStack();
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if (!_dirtyScreen.empty()) {
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for (uint i = 0; i < _dirtyScreen.size(); ++i)
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_vectorRenderer->copyFrame(_system, _dirtyScreen[i]);
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_system->updateScreen();
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_dirtyScreen.clear();
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}
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Common::Event event;
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while (eventMan->pollEvent(event)) {
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activeDialog->handleTickle();
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Common::Point mouse(event.mouse.x - activeDialog->_x, event.mouse.y - activeDialog->_y);
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switch (event.type) {
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case Common::EVENT_KEYDOWN:
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activeDialog->handleKeyDown(event.kbd);
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break;
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case Common::EVENT_KEYUP:
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activeDialog->handleKeyUp(event.kbd);
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break;
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case Common::EVENT_MOUSEMOVE:
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activeDialog->handleMouseMoved(mouse.x, mouse.y, 0);
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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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button = (event.type == Common::EVENT_LBUTTONDOWN ? 1 : 2);
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time = _system->getMillis();
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if (_lastClick.count && (time < _lastClick.time + kDoubleClickDelay)
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&& ABS(_lastClick.x - event.mouse.x) < 3
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&& ABS(_lastClick.y - event.mouse.y) < 3) {
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_lastClick.count++;
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} else {
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_lastClick.x = event.mouse.x;
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_lastClick.y = event.mouse.y;
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_lastClick.count = 1;
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}
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_lastClick.time = time;
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activeDialog->handleMouseDown(mouse.x, mouse.y, button, _lastClick.count);
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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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button = (event.type == Common::EVENT_LBUTTONUP ? 1 : 2);
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activeDialog->handleMouseUp(mouse.x, mouse.y, button, _lastClick.count);
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break;
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case Common::EVENT_WHEELUP:
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activeDialog->handleMouseWheel(mouse.x, mouse.y, -1);
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break;
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case Common::EVENT_WHEELDOWN:
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activeDialog->handleMouseWheel(mouse.x, mouse.y, 1);
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break;
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case Common::EVENT_QUIT:
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_system->quit();
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return 1;
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case Common::EVENT_SCREEN_CHANGED:
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screenChange();
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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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activeDialog = getTopDialog();
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_system->delayMillis(10);
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}
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_system->hideOverlay();
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return 1;
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}
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} // end of namespace GUI.
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