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61326cfca6
Make include-what-you-use happy with a part of the files in source/gui and fix what needs to be fixed after including missing compile flags. Ref: #8086 Signed-off-by: Ralph Sennhauser <ralph.sennhauser@gmail.com>
82 lines
2.8 KiB
C++
82 lines
2.8 KiB
C++
/* Copyright (C) 2025 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. 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 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. 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 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "precompiled.h"
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#ifndef GUIOBJECTEVENTBROADCASTER
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#define GUIOBJECTEVENTBROADCASTER
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#include "gui/ObjectBases/IGUIObject.h"
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#include "lib/alignment.h"
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#include "lib/allocators/DynamicArena.h"
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#include "lib/allocators/STLAllocators.h"
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#include "lib/types.h"
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#include <algorithm>
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#include <utility>
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#include <vector>
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namespace
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{
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struct VisibleObject
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{
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IGUIObject* object;
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// Index of the object in a depth-first search inside GUI tree.
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u32 index;
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// Cached value of GetBufferedZ to avoid recursive calls in a deep hierarchy.
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float bufferedZ;
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};
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template<class Container>
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void CollectVisibleObjectsRecursively(const std::vector<IGUIObject*>& objects, Container* visibleObjects)
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{
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for (IGUIObject* const& object : objects)
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if (!object->IsHidden())
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{
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visibleObjects->emplace_back(VisibleObject{ object, static_cast<u32>(visibleObjects->size()), 0.0f });
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CollectVisibleObjectsRecursively(object->GetVisibleChildren(), visibleObjects);
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}
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}
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}
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class CGUIObjectEventBroadcaster
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{
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public:
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template<typename... Args>
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static void RecurseVisibleObject(IGUIObject* object, void(IGUIObject::* callbackFunction)(Args... args), Args&&... args)
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{
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using Arena = Allocators::DynamicArena<128 * KiB>;
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using ObjectListAllocator = ProxyAllocator<VisibleObject, Arena>;
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Arena arena;
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std::vector<VisibleObject, ObjectListAllocator> visibleObjects((ObjectListAllocator(arena)));
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CollectVisibleObjectsRecursively(object->GetVisibleChildren(), &visibleObjects);
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for (VisibleObject& visibleObject : visibleObjects)
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visibleObject.bufferedZ = visibleObject.object->GetBufferedZ();
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std::sort(visibleObjects.begin(), visibleObjects.end(), [](const VisibleObject& visibleObject1, const VisibleObject& visibleObject2) -> bool {
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if (visibleObject1.bufferedZ != visibleObject2.bufferedZ)
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return visibleObject1.bufferedZ < visibleObject2.bufferedZ;
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return visibleObject1.index < visibleObject2.index;
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});
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for (const VisibleObject& visibleObject : visibleObjects)
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(visibleObject.object->*callbackFunction)(std::forward<Args>(args)...);
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}
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};
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#endif // !GUIOBJECTEVENTBROADCASTER
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