add keyboard shortcuts in uibrowser

Author: markusleuthold

src/+gfx/+internal/UiBrowser.m

@@ -22,6 +22,12 @@ function windowKeyPressCallback(self, ~, evnt)
 
                 case 'b'
                     self.buildGui;
+
+                case 't'
+                    self.toggleTransparency;
+
+                case 'c'
+                    self.toggleColor;
             end
         end
 
@@ -44,7 +50,7 @@ function buildGui(self)
 
             for hAxes = findobj(self.hFigure, 'type', 'axes')'
 
-                hTreeRoot = uitree(glParentAxes, "checkbox");
+                hTreeRoot = uitree(glParentAxes, "checkbox", Tag="ObjectTree");
                 hTreeRoot.CheckedNodesChangedFcn = @self.checkedNodesChanged;
                 hTreeRoot.SelectionChangedFcn = @self.selectionChangedFcn;
 
@@ -215,5 +221,25 @@ function checkedNodesChanged(~, hTree, ~)
             end
             color = [1 1 1];
         end
+
+        function toggleTransparency(self)
+            hTree = findobj(self.hBrowser, Tag="ObjectTree");
+            assert(isscalar(hTree), "multiple axes not yet supported")
+            gfx.internal.toggleTransparency(hTree.SelectedNodes.NodeData.hObj)
+        end
+
+        function toggleColor(self)
+            hTree = findobj(self.hBrowser, Tag="ObjectTree");
+            assert(isscalar(hTree), "multiple axes not yet supported")
+            hSelectedNode = hTree.SelectedNodes;
+            color = gfx.internal.toggleColor(hSelectedNode.NodeData.hObj);
+
+            nodeStyle = uistyle(...
+                BackgroundColor=color, ...
+                FontColor=gfx.internal.uibrowser.fontColor(color, [0 0 0]));
+
+            hTree.removeStyle(find([hTree.StyleConfigurations.TargetIndex{:}] == hSelectedNode))
+            hTree.addStyle(nodeStyle, Node=hSelectedNode)
+        end
     end
 end

src/+gfx/uibrowser.m

@@ -10,6 +10,10 @@
 %  USAGE
 %    Press "b" in a figure to launch uibrowser
 %
+%  KEYBOARD SHORTCUTS
+%    "c": toggle color of selected node
+%    "t": toggle transparency of selected node (for patch only)
+%
 %  FEATURES
 %  - One browser figure per object figure
 %  - Supports objects of type patch/line/hggroup/text