fix hover/drop highlight. more left menu tweaks

src/main/mesh.js

@@ -140,7 +140,7 @@ function space_init(data) {
     space.event.addHandlers(self, [
         'drop', (evt) => {
             estop(evt);
-            platform.setColor(platcolor);
+            platform.set({ opacity: 0, color: platcolor });
             call.load_files([...evt.dataTransfer.files]);
         },
         'dragover', evt => {
@@ -148,9 +148,10 @@ function space_init(data) {
             evt.dataTransfer.dropEffect = 'copy';
             let color = platform.setColor(0x00ff00);
             if (color !== 0x00ff00) platcolor = color;
+            platform.set({ opacity: 0.1 });
         },
         'dragleave', evt => {
-            platform.setColor(platcolor);
+            platform.set({ opacity: 0, color: platcolor });
         },
         'keypress', evt => {
             if (api.modal.showing) {

src/mesh/api.js

@@ -286,8 +286,8 @@ let file = {
 
 // return selection if models are invalid. can happen when called from
 // even bound to a button which delivers a PointEvent argument
-function fallback(models) {
-    return Array.isArray(models) ? models : selection.models();
+function fallback(models, strict) {
+    return Array.isArray(models) ? models : selection.models(strict);
 }
 
 let tool = {
@@ -307,6 +307,10 @@ let tool = {
         });
     },
 
+    split(models) {
+        models = fallback(models);
+    },
+
     duplicate() {
         for (let m of selection.models()) {
             m.duplicate();

src/mesh/build.js

@@ -227,7 +227,7 @@ function ui_build() {
         h.div([
             // create and bind file loading elements
             h.div({ _: "file", class: "head" }),
-            h.div({ class: "vsep" }),
+            // h.div({ class: "vsep" }),
             h.button({ _: 'import', onclick: file.import }, [
                 h.input({
                     id: "import", type: "file", class: ["hide"], multiple: true,
@@ -238,7 +238,7 @@ function ui_build() {
         ]),
         h.div([
             h.div({ _: "view", class: "head" }),
-            h.div({ class: "vsep" }),
+            // h.div({ class: "vsep" }),
             h.button({ _: 'visible', onclick() { selection.visible({ toggle: true }) } }),
             h.button({ _: 'bounds', onclick() { selection.boundsBox({ toggle: true }) } }),
             h.button({ _: 'gridlines', onclick() { api.grid() } }),
@@ -247,14 +247,15 @@ function ui_build() {
         ]),
         h.div([
             h.div({ _: "edit", class: "head" }),
-            h.div({ class: "vsep" }),
+            // h.div({ class: "vsep" }),
             h.button({ _: 'duplicate', onclick: tool.duplicate }),
             h.button({ _: 'merge', onclick: tool.merge }),
+            h.button({ _: 'split', onclick: tool.split }),
             h.button({ _: 'invert', onclick: tool.invert }),
         ]),
         h.div([
             h.div({ _: "fix", class: "head" }),
-            h.div({ class: "vsep" }),
+            // h.div({ class: "vsep" }),
             h.button({ _: 'analyze', onclick: tool.analyze }),
             h.button({ _: 'repair', onclick: tool.repair }),
             h.button({ _: 'clean', onclick: tool.clean }),

web/mesh/index.css

@@ -153,6 +153,16 @@ button:hover {
     display: none;
 }
 
+.pad3 {
+    width: 3px;
+    height: 3px;
+}
+
+.pad5 {
+    width: 5px;
+    height: 5px;
+}
+
 #top-right {
     position: absolute;
     padding: 3px;
@@ -216,6 +226,7 @@ button:hover {
 }
 
 #modal_frame > div {
+    flex-direction: column;
     padding: 5px; /* compensate for removing padding above */
 }
 
@@ -362,10 +373,11 @@ button:hover {
 }
 
 #actions .head {
+    color: #444;
     align-items: center;
     justify-content: center;
-    font-family: monospace;
-    font-weight: bold;
+    font-family: 'Russo One', monospace;
+    font-weight: lighter;
     font-size: smaller;
     border-radius: 3px;
     background-color: rgba(150,150,150,0.05);