Added "Tileset > Edit Tileset Image Parameters..." action

This makes the functionality easier to discover. Previously editing the
tileset image parameters was only possible by clicking the value of the
Image property in the Properties view, and then the appearing "Edit"
button.

src/tiled/mainwindow.cpp

@@ -809,6 +809,8 @@ MainWindow::MainWindow(QWidget *parent, Qt::WindowFlags flags)
     mUi->menuTileset->insertAction(mUi->actionTilesetProperties, mTilesetEditor->addTilesAction());
     mUi->menuTileset->insertAction(mUi->actionTilesetProperties, mTilesetEditor->removeTilesAction());
     mUi->menuTileset->insertSeparator(mUi->actionTilesetProperties);
+    mUi->menuTileset->insertAction(mUi->actionTilesetProperties, mTilesetEditor->editTilesetParametersAction());
+    mUi->menuTileset->insertSeparator(mUi->actionTilesetProperties);
 
     connect(mViewsAndToolbarsMenu, &QMenu::aboutToShow,
             this, &MainWindow::updateViewsAndToolbarsMenu);

src/tiled/tilesetchanges.h

@@ -74,10 +74,7 @@ class ChangeTilesetTileOffset : public QUndoCommand
 
 struct TilesetParameters
 {
-    TilesetParameters()
-        : tileSpacing(0)
-        , margin(0)
-    {}
+    TilesetParameters() = default;
 
     explicit TilesetParameters(const Tileset &tileset);
 
@@ -86,8 +83,8 @@ struct TilesetParameters
     QUrl imageSource;
     QColor transparentColor;
     QSize tileSize;
-    int tileSpacing;
-    int margin;
+    int tileSpacing = 0;
+    int margin = 0;
 };
 
 class ChangeTilesetParameters : public QUndoCommand

src/tiled/tileseteditor.cpp

@@ -33,8 +33,11 @@
 #include "maintoolbar.h"
 #include "mapdocument.h"
 #include "mapobject.h"
+#include "newtilesetdialog.h"
 #include "objectgroup.h"
-#include "objecttemplate.h"
+#if QT_VERSION < QT_VERSION_CHECK(6, 5, 0)
+#include "objecttemplate.h" // needed for static assert in QtCore/qmetatype.h
+#endif
 #include "preferences.h"
 #include "propertiesdock.h"
 #include "session.h"
@@ -131,6 +134,7 @@ TilesetEditor::TilesetEditor(QObject *parent)
     , mWidgetStack(new QStackedWidget(mMainWindow))
     , mAddTiles(new QAction(this))
     , mRemoveTiles(new QAction(this))
+    , mEditTilesetParameters(new QAction(this))
     , mRelocateTiles(new QAction(this))
     , mShowAnimationEditor(new QAction(this))
     , mDynamicWrappingToggle(new QAction(this))
@@ -154,6 +158,7 @@ TilesetEditor::TilesetEditor(QObject *parent)
     ActionManager::registerAction(editWang, "EditWang");
     ActionManager::registerAction(mAddTiles, "AddTiles");
     ActionManager::registerAction(mRemoveTiles, "RemoveTiles");
+    ActionManager::registerAction(mEditTilesetParameters, "EditTilesetParameters");
     ActionManager::registerAction(mRelocateTiles, "RelocateTiles");
     ActionManager::registerAction(mShowAnimationEditor, "ShowAnimationEditor");
     ActionManager::registerAction(mDynamicWrappingToggle, "DynamicWrappingToggle");
@@ -199,6 +204,8 @@ TilesetEditor::TilesetEditor(QObject *parent)
     connect(mAddTiles, &QAction::triggered, this, &TilesetEditor::openAddTilesDialog);
     connect(mRemoveTiles, &QAction::triggered, this, &TilesetEditor::removeTiles);
 
+    connect(mEditTilesetParameters, &QAction::triggered, this, &TilesetEditor::editTilesetParameters);
+
     connect(mRelocateTiles, &QAction::toggled, this, &TilesetEditor::setRelocateTiles);
     connect(editCollision, &QAction::toggled, this, &TilesetEditor::setEditCollision);
     connect(editWang, &QAction::toggled, this, &TilesetEditor::setEditWang);
@@ -249,7 +256,7 @@ TilesetEditor::TilesetEditor(QObject *parent)
     retranslateUi();
     connect(Preferences::instance(), &Preferences::languageChanged, this, &TilesetEditor::retranslateUi);
 
-    updateAddRemoveActions();
+    updateActions();
 }
 
 void TilesetEditor::saveState()
@@ -367,7 +374,7 @@ void TilesetEditor::setCurrentDocument(Document *document)
         currentChanged(QModelIndex());
     }
 
-    updateAddRemoveActions();
+    updateActions();
 }
 
 Document *TilesetEditor::currentDocument() const
@@ -527,7 +534,7 @@ void TilesetEditor::selectionChanged()
     if (!view)
         return;
 
-    updateAddRemoveActions();
+    updateActions();
 
     const QItemSelectionModel *s = view->selectionModel();
     const QModelIndexList indexes = s->selection().indexes();
@@ -657,6 +664,26 @@ void TilesetEditor::updateTilesetView(Tileset *tileset)
     model->tilesetChanged();
 }
 
+void TilesetEditor::editTilesetParameters()
+{
+    if (!mCurrentTilesetDocument)
+        return;
+    if (mCurrentTilesetDocument->tileset()->isCollection())
+        return;
+
+    TilesetParameters parameters(*mCurrentTilesetDocument->tileset());
+    NewTilesetDialog dialog(mMainWindow->window());
+
+    if (dialog.editTilesetParameters(parameters)) {
+        if (parameters != TilesetParameters(*mCurrentTilesetDocument->tileset())) {
+            auto command = new ChangeTilesetParameters(mCurrentTilesetDocument,
+                                                       parameters);
+
+            mCurrentTilesetDocument->undoStack()->push(command);
+        }
+    }
+}
+
 void TilesetEditor::setCurrentTile(Tile *tile)
 {
     if (mCurrentTile == tile)
@@ -675,6 +702,7 @@ void TilesetEditor::retranslateUi()
 
     mAddTiles->setText(tr("Add Tiles"));
     mRemoveTiles->setText(tr("Remove Tiles"));
+    mEditTilesetParameters->setText(tr("Edit Tileset Image Parameters..."));
     mRelocateTiles->setText(tr("Rearrange Tiles"));
     mShowAnimationEditor->setText(tr("Tile Animation Editor"));
     mDynamicWrappingToggle->setText(tr("Dynamically Wrap Tiles"));
@@ -1034,7 +1062,7 @@ void TilesetEditor::onAnimationEditorClosed()
     mShowAnimationEditor->setChecked(false);
 }
 
-void TilesetEditor::updateAddRemoveActions()
+void TilesetEditor::updateActions()
 {
     bool isCollection = false;
     bool hasSelection = false;
@@ -1046,6 +1074,8 @@ void TilesetEditor::updateAddRemoveActions()
 
     mAddTiles->setEnabled(isCollection);
     mRemoveTiles->setEnabled(isCollection && hasSelection);
+
+    mEditTilesetParameters->setEnabled(mCurrentTilesetDocument && !isCollection);
 }
 
 } // namespace Tiled

src/tiled/tileseteditor.h

@@ -92,6 +92,7 @@ class TilesetEditor final : public Editor
 
     QAction *addTilesAction() const;
     QAction *removeTilesAction() const;
+    QAction *editTilesetParametersAction() const;
     QAction *relocateTilesAction() const;
     QAction *editCollisionAction() const;
     QAction *editWangSetsAction() const;
@@ -123,6 +124,8 @@ class TilesetEditor final : public Editor
     void selectedTilesChanged();
     void updateTilesetView(Tileset *tileset);
 
+    void editTilesetParameters();
+
     void openAddTilesDialog();
     void addTiles(const QList<QUrl> &urls);
     void removeTiles();
@@ -133,7 +136,7 @@ class TilesetEditor final : public Editor
 
     void setEditWang(bool editWang);
 
-    void updateAddRemoveActions();
+    void updateActions();
 
     void onCurrentWangSetChanged(WangSet *wangSet);
     void currentWangIdChanged(WangId wangId);
@@ -158,6 +161,7 @@ class TilesetEditor final : public Editor
 
     QAction *mAddTiles;
     QAction *mRemoveTiles;
+    QAction *mEditTilesetParameters;
     QAction *mRelocateTiles;
     QAction *mShowAnimationEditor;
     QAction *mDynamicWrappingToggle;
@@ -188,6 +192,11 @@ inline QAction *TilesetEditor::removeTilesAction() const
     return mRemoveTiles;
 }
 
+inline QAction *TilesetEditor::editTilesetParametersAction() const
+{
+    return mEditTilesetParameters;
+}
+
 inline QAction *TilesetEditor::relocateTilesAction() const
 {
     return mRelocateTiles;