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Ensure SnapToGrid only appears when GridSnapping is enabled LYN-2302 (#1362)

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* updates to better support showing/hiding viewport ui when grid snapping is enabled/disabled

* connect up editor settings callbacks

* minor polish changes

* api rename

* updates following review feedback
This commit is contained in:
Tom Hulton-Harrop
2021-06-17 18:31:56 +01:00
committed by GitHub
parent f0da36a301
commit 8ffd16b0be
7 changed files with 102 additions and 2 deletions
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Code/Sandbox/Editor/EditorViewportSettings.cpp
+34
View File
@@ -14,6 +14,7 @@
#include <AzCore/Casting/numeric_cast.h>
#include <AzCore/Settings/SettingsRegistry.h>
#include <AzCore/Settings/SettingsRegistryMergeUtils.h>
#include <AzCore/std/string/string_view.h>
namespace SandboxEditor
@@ -56,6 +57,39 @@ namespace SandboxEditor
return value;
}
struct EditorViewportSettingsCallbacksImpl : public EditorViewportSettingsCallbacks
{
EditorViewportSettingsCallbacksImpl()
{
if (auto* registry = AZ::SettingsRegistry::Get())
{
using AZ::SettingsRegistryMergeUtils::IsPathAncestorDescendantOrEqual;
m_notifyEventHandler = registry->RegisterNotifier(
[this](const AZStd::string_view path, [[maybe_unused]] const AZ::SettingsRegistryInterface::Type type)
{
if (IsPathAncestorDescendantOrEqual(GridSnappingSetting, path))
{
m_gridSnappingChanged.Signal(GridSnappingEnabled());
}
});
}
}
void SetGridSnappingChangedEvent(GridSnappingChangedEvent::Handler& handler) override
{
handler.Connect(m_gridSnappingChanged);
}
GridSnappingChangedEvent m_gridSnappingChanged;
AZ::SettingsRegistryInterface::NotifyEventHandler m_notifyEventHandler;
};
AZStd::unique_ptr<EditorViewportSettingsCallbacks> CreateEditorViewportSettingsCallbacks()
{
return AZStd::make_unique<EditorViewportSettingsCallbacksImpl>();
}
bool GridSnappingEnabled()
{
return GetRegistry(GridSnappingSetting, false);