GH-270 React to linespacing change

VimR/AppearancePrefPane.swift

@@ -199,6 +199,10 @@ class AppearancePrefPane: PrefPane, NSComboBoxDelegate, NSControlTextEditingDele
       self.previewArea.turnOffLigatures(self)
     }
   }
+
+  override func windowWillClose() {
+    self.linespacingAction()
+  }
 }
 
 // MARK: - Actions
@@ -251,18 +255,59 @@ extension AppearancePrefPane {
   }
 
   func linespacingAction() {
-    
+    let newLinespacing = self.cappedLinespacing(self.linespacingField.floatValue)
+    self.set(data: AppearancePrefData(editorFont: self.data.editorFont,
+                                      editorLinespacing: newLinespacing,
+                                      editorUsesLigatures: self.data.editorUsesLigatures))
+  }
+
+  fileprivate func cappedLinespacing(_ linespacing: Float) -> CGFloat {
+    let cgfLinespacing = CGFloat(linespacing)
+
+    guard cgfLinespacing >= PrefStore.minEditorLinespacing else {
+      return PrefStore.defaultEditorLinespacing
+    }
+
+    guard cgfLinespacing <= PrefStore.maxEditorLinespacing else {
+      return PrefStore.maxEditorLinespacing
+    }
+
+    return cgfLinespacing
   }
 
   fileprivate func cappedFontSize(_ size: Int) -> CGFloat {
-    guard size >= 4 else {
-      return 13
+    let cgfSize = CGFloat(size)
+
+    guard cgfSize >= PrefStore.minEditorFontSize else {
+      return PrefStore.defaultEditorFontSize
     }
 
-    guard size <= 128 else {
-      return 128
+    guard cgfSize <= PrefStore.maxEditorFontSize else {
+      return PrefStore.maxEditorFontSize
     }
 
-    return CGFloat(size)
+    return cgfSize
   }
 }
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VimR/MainWindowComponent.swift

@@ -33,7 +33,7 @@ class MainWindowComponent: WindowComponent, NSWindowDelegate, NSUserInterfaceVal
   fileprivate static let nibName = "MainWindow"
 
   fileprivate var defaultEditorFont: NSFont
-  fileprivate var usesLigatures: Bool
+//  fileprivate var usesLigatures: Bool
 
   fileprivate var _cwd: URL = FileUtils.userHomeUrl
 
@@ -85,7 +85,6 @@ class MainWindowComponent: WindowComponent, NSWindowDelegate, NSUserInterfaceVal
     self.workspace = Workspace(mainView: self.neoVimView)
 
     self.defaultEditorFont = initialData.appearance.editorFont
-    self.usesLigatures = initialData.appearance.editorUsesLigatures
     self.fileItemService = fileItemService
     self._cwd = cwd
 
@@ -107,7 +106,8 @@ class MainWindowComponent: WindowComponent, NSWindowDelegate, NSUserInterfaceVal
     self.neoVimView.cwd = cwd // This will publish the MainWindowAction.changeCwd action for the file browser.
     self.neoVimView.delegate = self
     self.neoVimView.font = self.defaultEditorFont
-    self.neoVimView.usesLigatures = self.usesLigatures
+    self.neoVimView.usesLigatures = initialData.appearance.editorUsesLigatures
+    self.neoVimView.linespacing = initialData.appearance.editorLinespacing
     self.neoVimView.open(urls: urls)
 
     // We don't call self.fileItemService.monitor(url: cwd) here since self.neoVimView.cwd = cwd causes the call
@@ -179,10 +179,12 @@ class MainWindowComponent: WindowComponent, NSWindowDelegate, NSUserInterfaceVal
       .filter { [unowned self] appearanceData in
         !appearanceData.editorFont.isEqual(to: self.neoVimView.font)
           || appearanceData.editorUsesLigatures != self.neoVimView.usesLigatures
+          || appearanceData.editorLinespacing != self.neoVimView.linespacing
       }
       .subscribe(onNext: { [unowned self] appearance in
         self.neoVimView.usesLigatures = appearance.editorUsesLigatures
         self.neoVimView.font = appearance.editorFont
+        self.neoVimView.linespacing = appearance.editorLinespacing
     })
   }
 }

VimR/PrefStore.swift

@@ -43,10 +43,11 @@ class PrefStore: StandardFlow {
   fileprivate static let defaultEditorFont = NeoVimView.defaultFont
   static let minEditorFontSize = NeoVimView.minFontSize
   static let maxEditorFontSize = NeoVimView.maxFontSize
+  static let defaultEditorFontSize = NeoVimView.defaultFont.pointSize
 
-  fileprivate static let defaultEditorFontLinespacing = NeoVimView.defaultLinespacing
-  static let minEditorFontLinespacing = NeoVimView.minLinespacing
-  static let maxEditorFontLinespacing = NeoVimView.maxLinespacing
+  static let defaultEditorLinespacing = NeoVimView.defaultLinespacing
+  static let minEditorLinespacing = NeoVimView.minLinespacing
+  static let maxEditorLinespacing = NeoVimView.maxLinespacing
 
   fileprivate let userDefaults = UserDefaults.standard
   fileprivate let fontManager = NSFontManager.shared()
@@ -137,8 +138,8 @@ class PrefStore: StandardFlow {
   }
 
   fileprivate func saneLinespacing(_ linespacing: CGFloat) -> CGFloat {
-    guard linespacing >= PrefStore.minEditorFontLinespacing && linespacing <= PrefStore.maxEditorFontLinespacing else {
-      return PrefStore.defaultEditorFontLinespacing
+    guard linespacing >= PrefStore.minEditorLinespacing && linespacing <= PrefStore.maxEditorLinespacing else {
+      return PrefStore.defaultEditorLinespacing
     }
 
     return linespacing