Ichthyostega
8097485dbf
This finishes the first round of design drafts in this area. Right now it seems difficult to get any further, since most of the actual view creation and management in the UI is not yet coded.
155 lines
4.3 KiB
C++
155 lines
4.3 KiB
C++
/*
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TEST-ELEMENT-ACCESS.hpp - fake access directory to handle generic UI entities for test
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Copyright (C) Lumiera.org
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2018, Hermann Vosseler <Ichthyostega@web.de>
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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 as
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published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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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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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., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/** @file test-element-access.hpp
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** Unit test helper for access to UI elements without actually running an UI.
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** This allows to cover functionality for resolving UI-coordinates against an UI topology
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** and accessing or creating elements. Obviously, only faked UI widgets can be returned,
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** but this does not matter for those features anyway.
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**
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** @note as of 4/2018 this is a first draft and WIP-WIP-WIP
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** @todo right now this test is braindead; the idea is to extend it similar to the
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** GenNodeLocationQuery eventually, so to mimic the way an actual implementation
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** would drill down into the UI topology. Yet at the moment (4/2018) we are still
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** far from implementing anything in this regard; we just need the interface... ///////////////////////////////TICKET #1134
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**
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** @see ElementAccess_test usage example
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** @see elem-access-dir.hpp real implementation
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**
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*/
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#ifndef GUI_TEST_ELEMENT_ACCESS_H
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#define GUI_TEST_ELEMENT_ACCESS_H
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#include "lib/error.hpp"
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#include "gui/model/element-access.hpp"
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#include "gui/interact/ui-coord.hpp"
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#include "test/mock-elm.hpp"
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#include "lib/symbol.hpp"
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//#include "lib/util.hpp"
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#include <string>
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#include <memory>
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namespace gui {
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namespace test {
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namespace error = lumiera::error;
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// using util::isnil;
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using std::string;
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using lib::Literal;
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using interact::UICoord;
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using interact::UIC_VIEW;
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using interact::UIC_TAB;
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/* === Dummy Widgets for Unit testing === */
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class DummyWidget
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: public MockElm
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{
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public:
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virtual ~DummyWidget() { } ///< is an interface
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DummyWidget(string name ="DummyWidget")
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: MockElm{name}
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{ }
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DummyWidget(Literal name)
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: DummyWidget{string (name)}
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{ }
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};
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struct DummyTab
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: DummyWidget
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{
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using DummyWidget::DummyWidget;
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};
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struct DummyView
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: DummyWidget
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{
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using DummyWidget::DummyWidget;
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};
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/**
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* Mock implementation of the model::ElementAccess interface for testing without actual UI.
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* @see ElementAccess_test
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*/
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class TestElementAccess
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: public model::ElementAccess
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{
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public:
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explicit
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TestElementAccess ()
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{ }
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/* == Test/Diagnostics interface == */
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/** the next query will fail unless it presents this Path */
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UICoord existingPath;
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/** ...and if acceptable, we record the last answer here */
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std::unique_ptr<model::Tangible> response;
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/* == ElementAccess interface == */
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RawResult
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performAccessTo (UICoord::Builder & target, size_t limitCreation) override
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{
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UICoord const& location = target.uiCoord();
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CHECK (existingPath >= location);
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if (existingPath > location and !response)
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{
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if (location.leafLevel() == UIC_VIEW)
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response.reset(new DummyView(location[UIC_VIEW]));
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else
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if (location.leafLevel() == UIC_TAB)
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response.reset(new DummyTab(location[UIC_TAB]));
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else
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throw error::Invalid("Mock ElementAccess supports only creation of VIEW and TAB. Requested Target was "+string(location));
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}
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return response.get();
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}
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protected:
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};
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}} // namespace gui::test
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#endif /*GUI_TEST_ELEMENT_ACCESS_H*/
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