17b5a561d0
======================================= Rewrite of the architecture to accomodate on-view parameters and to enable code reuse between the default widget and custom widgets.
105 lines
3.6 KiB
C++
105 lines
3.6 KiB
C++
/***************************************************************************
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* Copyright (c) 2023 Abdullah Tahiri <abdullah.tahiri.yo@gmail.com> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library 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 Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#ifndef SketcherGui_DrawSketchKeyboardManager_H
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#define SketcherGui_DrawSketchKeyboardManager_H
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#include <QEvent>
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#include <QKeyEvent>
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#include <QTimer>
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#include <Gui/Application.h>
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#include <Gui/Document.h>
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#include <Gui/View3DInventor.h>
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#include <Gui/View3DInventorViewer.h>
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namespace Gui
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{
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class ViewProvider;
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} // namespace Gui
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namespace SketcherGui
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{
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class ViewProviderSketch;
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/** Class implementing an event filter for DrawSketchHandler tools, enabling seamless introduction
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* of values to parameters, including units, while still allowing operation of shortcuts.
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*
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* The basic mechanism to decide which control should respond is based on using timers, type of
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* entered event.
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*/
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class DrawSketchKeyboardManager: public QObject
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{
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Q_OBJECT
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public:
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DrawSketchKeyboardManager();
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/** Indicates whether the DSH control (e.g. on-view parameter or widget) should handle keyboard
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* input or should signal it via boost */
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enum class KeyboardEventHandlingMode
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{
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DSHControl,
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ViewProvider
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};
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/// returns whether the provided entity will currently receive the event.
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bool isMode(KeyboardEventHandlingMode mode);
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/// returns which entity will currently receive the event.
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KeyboardEventHandlingMode getMode();
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bool eventFilter(QObject* object, QEvent* event);
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/// sets the timeout to the amount of milliseconds.
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void setTimeOut(int milliseconds);
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// returns the current timeout amount
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int timeOut();
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private:
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/// This function decides whether events should be send to the ViewProvider
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/// or to the UI control of DSH.
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void detectKeyboardEventHandlingMode(QKeyEvent* keyEvent);
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void onTimeOut();
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private:
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/// Viewer responsible for the active document
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Gui::View3DInventorViewer* vpViewer = nullptr;
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KeyboardEventHandlingMode keyMode;
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QTimer timer;
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int timeOutValue = 2000;
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};
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} // namespace SketcherGui
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#endif // SketcherGui_DrawSketchKeyboardManager_H
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