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879768fbf2
V3d_View/Graphic3d_CView pair has been extended to define subview within the other V3d_View instance. The initialization is done in form of V3d_View::SetWindow() taking parent V3d_View instance on input. Subview definition includes dimensions defined as a fraction of a parent view and offset from a corner. This scheme allows splitting window into several subviews automatically occupying entire viewport, like splitting window into two vertial subviews (100%x50% + 100%x50%), three horizontal subviews (33%x100% + 30%x100% + 30%x100%), 1 + 2 stacked subviews (50%x100% + 50%x50% + 50%x50%), as well as thumbnail-alike subviews displayed on top of another larger view. OpenGl_View::Redraw() blits content of subviews into the window within immediate redraw step. AIS_ViewController::FlushViewEvents() has been extended to re-calculate mouse input into local subview coordinates. AIS_ViewController::handleViewRedraw() first redraws subviews and then parent views. Introduced new callback AIS_ViewController::OnSubviewChanged() to switch input focus to another subview on mouse click, implemented by ViewerTest_EventManager (has to be done at application level). vinit command has been extended with parameters -subview and -parent to create a subview. In addition, view dimension arguments now can be defined as a fraction of screen size instead of pixels.
129 lines
3.7 KiB
C++
129 lines
3.7 KiB
C++
// Created on: 2014-04-24
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// Created by: Kirill Gavrilov
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// Copyright (c) 2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#include <ViewerTest_AutoUpdater.hxx>
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//=======================================================================
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//function : ViewerTest_AutoUpdater
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//purpose :
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//=======================================================================
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ViewerTest_AutoUpdater::ViewerTest_AutoUpdater (const Handle(AIS_InteractiveContext)& theContext,
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const Handle(V3d_View)& theView)
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: myContext (theContext),
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myView (theView),
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myToUpdate (RedrawMode_Auto),
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myWasAutoUpdate (Standard_False)
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{
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if (!theView.IsNull())
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{
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myWasAutoUpdate = theView->SetImmediateUpdate (Standard_False);
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}
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}
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//=======================================================================
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//function : ~ViewerTest_AutoUpdater
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//purpose :
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//=======================================================================
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ViewerTest_AutoUpdater::~ViewerTest_AutoUpdater()
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{
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Update();
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}
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//=======================================================================
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//function : parseRedrawMode
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//purpose :
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//=======================================================================
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Standard_Boolean ViewerTest_AutoUpdater::parseRedrawMode (const TCollection_AsciiString& theArg)
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{
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TCollection_AsciiString anArgCase (theArg);
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anArgCase.LowerCase();
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if (anArgCase == "-update"
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|| anArgCase == "-redraw")
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{
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myToUpdate = RedrawMode_Forced;
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return Standard_True;
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}
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else if (anArgCase == "-noupdate"
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|| anArgCase == "-noredraw")
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{
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myToUpdate = RedrawMode_Suppressed;
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return Standard_True;
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}
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return Standard_False;
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}
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//=======================================================================
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//function : Invalidate
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//purpose :
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//=======================================================================
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void ViewerTest_AutoUpdater::Invalidate()
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{
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myToUpdate = ViewerTest_AutoUpdater::RedrawMode_Suppressed;
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if (myWasAutoUpdate
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&& !myView.IsNull())
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{
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myView->SetImmediateUpdate (myWasAutoUpdate);
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}
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}
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//=======================================================================
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//function : Update
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//purpose :
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//=======================================================================
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void ViewerTest_AutoUpdater::Update()
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{
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if (!myView.IsNull())
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{
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myView->SetImmediateUpdate (myWasAutoUpdate);
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}
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switch (myToUpdate)
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{
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case ViewerTest_AutoUpdater::RedrawMode_Suppressed:
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{
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return;
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}
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case ViewerTest_AutoUpdater::RedrawMode_Auto:
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{
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if (!myWasAutoUpdate)
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{
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return;
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}
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}
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Standard_FALLTHROUGH
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case ViewerTest_AutoUpdater::RedrawMode_Forced:
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{
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if (!myContext.IsNull())
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{
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myContext->UpdateCurrentViewer();
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if (!myView.IsNull()
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&& myView->IsSubview()
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&& myView->ParentView()->Viewer() != myContext->CurrentViewer())
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{
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myView->ParentView()->RedrawImmediate();
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}
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}
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else if (!myView.IsNull())
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{
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myView->Redraw();
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if (myView->IsSubview())
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{
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myView->ParentView()->RedrawImmediate();
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}
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}
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}
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}
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}
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