Add keybindings for zoom in, zoom out and zoom reset

onivim · Apr 18, 2020 · 94321c4 · 94321c4
1 parent 10f3137
commit 94321c4
Show file tree

Hide file tree

Showing 3 changed files with 84 additions and 2 deletions.
diff --git a/src/Store/ConfigurationStoreConnector.re b/src/Store/ConfigurationStoreConnector.re
@@ -131,8 +131,7 @@ let start =
   let vsync = ref(Revery.Vsync.Immediate);
   let synchronizeConfigurationEffect = configuration =>
     Isolinear.Effect.create(~name="configuration.synchronize", () => {
-      let zoomValue =
-        max(1.0, Configuration.getValue(c => c.uiZoom, configuration));
+      let zoomValue = Configuration.getValue(c => c.uiZoom, configuration);
       if (zoomValue != zoom^) {
         Log.infof(m => m("Setting zoom: %f", zoomValue));
         setZoom(zoomValue);

diff --git a/src/Store/KeyBindingsStoreConnector.re b/src/Store/KeyBindingsStoreConnector.re
@@ -259,6 +259,36 @@ let start = maybeKeyBindingsFilePath => {
         command: "workbench.action.previousEditor",
         condition: WhenExpr.Value(True),
       },
+      {
+        key: "<D-=>",
+        command: "workbench.action.zoomIn",
+        condition: WhenExpr.Value(True),
+      },
+      {
+        key: "<C-=>",
+        command: "workbench.action.zoomIn",
+        condition: WhenExpr.Value(True),
+      },
+      {
+        key: "<D-->",
+        command: "workbench.action.zoomOut",
+        condition: WhenExpr.Value(True),
+      },
+      {
+        key: "<C-->",
+        command: "workbench.action.zoomOut",
+        condition: WhenExpr.Value(True),
+      },
+      {
+        key: "<D-0>",
+        command: "workbench.action.zoomReset",
+        condition: WhenExpr.Value(True),
+      },
+      {
+        key: "<C-0>",
+        command: "workbench.action.zoomReset",
+        condition: WhenExpr.Value(True),
+      },
       // TERMINAL
       // Binding to open normal mode
       {

diff --git a/src/Store/VimStoreConnector.re b/src/Store/VimStoreConnector.re
@@ -26,6 +26,11 @@ type commandLineCompletionMeet = {
   position: int,
 };
 
+type zoomAction =
+  | ZoomIn
+  | ZoomOut
+  | ZoomReset;
+
 let getCommandLineCompletionsMeet = (str: string, position: int) => {
   let len = String.length(str);
 
@@ -975,6 +980,42 @@ let start =
     });
   };
 
+  let zoomStep = 0.2;
+  let defaultZoom = 1.0;
+  let minZoomValue = 0.0;
+  let maxZoomValue = 2.8;
+  let zoomEffect = (state: State.t, zoomAction) =>
+    Isolinear.Effect.create(~name="vim.zoom", () => {
+      let configuration = state.configuration;
+      let currentZoomValue =
+        Core.Configuration.getValue(c => c.uiZoom, configuration);
+
+      let calculatedZoomValue =
+        switch (zoomAction) {
+        | ZoomIn => currentZoomValue +. zoomStep
+        | ZoomOut => currentZoomValue -. zoomStep
+        | ZoomReset => defaultZoom
+        };
+
+      let newZoomValue =
+        calculatedZoomValue < minZoomValue
+          ? minZoomValue
+          : calculatedZoomValue > maxZoomValue
+              ? maxZoomValue : calculatedZoomValue;
+
+      if (newZoomValue != currentZoomValue) {
+        dispatch(
+          ConfigurationSet({
+            ...configuration,
+            default: {
+              ...configuration.default,
+              uiZoom: newZoomValue,
+            },
+          }),
+        );
+      };
+    });
+
   let updater = (state: State.t, action: Actions.t) => {
     switch (action) {
     | ConfigurationSet(configuration) => (
@@ -1032,6 +1073,18 @@ let start =
         state,
         synchronizeEditorEffect(state),
       )
+    | Command("workbench.action.zoomIn") => (
+        state,
+        zoomEffect(state, ZoomIn),
+      )
+    | Command("workbench.action.zoomOut") => (
+        state,
+        zoomEffect(state, ZoomOut),
+      )
+    | Command("workbench.action.zoomReset") => (
+        state,
+        zoomEffect(state, ZoomReset),
+      )
     | Command("terminal.normalMode") =>
       let maybeBufferId =
         state