change number seed on undo/redo (proof of concept)

fixes ksnip#308
NicoWeio · Nov 17, 2022 · 8b4b4cd · 8b4b4cd
1 parent 2d27e7d
commit 8b4b4cd
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diff --git a/src/annotations/misc/NumberManager.cpp b/src/annotations/misc/NumberManager.cpp
@@ -90,6 +90,7 @@ void NumberManager::setNumberSeed(int numberSeed)
 {
 	mNumberSeed = numberSeed;
 	updateExistingNumbersIfRequired();
+	emit numberSeedChanged(mNumberSeed);
 }
 
 int NumberManager::numberSeed() const

diff --git a/src/annotations/undo/AddCommand.cpp b/src/annotations/undo/AddCommand.cpp
@@ -31,12 +31,20 @@ void AddCommand::undo()
 {
     mAnnotationArea->removeAnnotationItem(mItem);
     mItem->hide();
+
+    if (auto numberItem = dynamic_cast<BaseAnnotationNumber *>(mItem)) {
+        mAnnotationArea->numberToolSeedChanged(numberItem->number());
+    }
 }
 
 void AddCommand::redo()
 {
     mAnnotationArea->addAnnotationItem(mItem);
     mItem->show();
+
+    if (auto numberItem = dynamic_cast<BaseAnnotationNumber *>(mItem)) {
+        mAnnotationArea->numberToolSeedChanged(numberItem->number() + 1);
+    }
 }
 
 } // namespace kImageAnnotator