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Auto-completion widget
Do you ever get a feeling when designing a Matlab GUI, that existing components/controls are simply not enough to achieve the desired functionality/appearance?Such a case happened to me, when a...
View ArticleGeneral-use object copy
When using Matlab objects, either a Matlab class (MCOS) or any other (e.g., Java, COM, C# etc.), it is often useful to create a copy of the original object, complete with all internal property values....
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copyobj behavior change in HG2
As a followup to last-week’s post on class-object and generic data copies, I would like to welcome back guest blogger Robert Cumming, who developed a commercial Matlab GUI framework. Today, Robert will...
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Undocumented HG2 graphics events
R2014b brought a refreshing new graphics engine and appearance, internally called HG2 (the official marketing name is long and impossible to remember, and certainly not as catchy). I’ve already posted...
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Persisting transparent colors in HG2
Several months ago, I showed how we can set semi- and fully-transparent colors in HG2 (Matlab’s new graphics engine, starting in R2014b) for multiple graphic objects, including plot lines, plot...
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Sliders in Matlab GUI
One of my consulting clients asked me last week if I knew an easy way to integrate a range (dual-knob) slider control in Matlab GUI. Today’s post is an expansion of the answer I provided him, which I...
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Some performance-tuning tips
Today’s post is about performance. My goal is to show that contrary to widespread perception, Matlab is not inherently too slow to be used for real-life programs. In fact, by taking a small amount of...
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JGraph in Matlab figures
I would like to introduce guest blogger Scott Koch. Scott is part of the development team at Eigenvector Research Inc., makers of PLS_Toolbox, a commercial chemometrics and multivariate data analysis...
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Capturing print events
As a followup to my recent post on capturing and using HG2′s new graphic events, I would like to welcome back guest blogger Robert Cumming, who developed a commercial Matlab GUI framework. Today,...
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Matlab designs by Tim Smith
Matlab has undergone significant facelifts in recent years: Matlab Mobile (first introduced in 2010, with various upgrades since), R2012b’s new desktop toolstrip, various Matlab Central’s website...
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Using linkaxes vs. linkprop
One of my clients recently asked me to solve a very peculiar problem: He had several axes and was using Matlab’s builtin linkaxes function to link their axis limits. However, it didn’t behave quite the...
View ArticleStatic Java classpath hacks
A few days ago I encountered a situation where I needed to incorporate a JAR file into Matlab’s static Java classpath. I came across several relevant hacks that I thought could be useful for others:The...
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Accessing internal Java class members
Following my previous post on using the Java classloader, I thought I’d follow up today with a somewhat-related peculiarity.Inner classesWhenever we have an enum or inner-class defined within a Java...
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Solving an mput (FTP) hang problem
Matlab includes a variety of builtin utility functions that enable easy access to FTP. These functions are basically methods of an FTP object using Matlab’s old class system (for example, the mput...
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Callback functions performance
Matlab enables a variety of ways to define callbacks for asynchronous events (such as interactive GUI actions or timer invocations). We can provide a function handle, a cell-array (of function handle...
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Adding dynamic properties to graphic handles
A client recently asked me to extend one of Matlab’s built-in graphic containers (uiflowcontainer in this specific case) with automatic scrollbars that would enable the container to act as a...
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Font selection components
I’ve written here in the past about how Matlab includes multiple alternatives for color selection, plot-type selection and date selection components, that can easily be integrated in Matlab figures...
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Hyperlink text labels
It is often useful to include hyperlinked text labels in GUIs. Such labels provide single-click access to important functionality, improve branding, and are non-intrusive action controls having a lower...
View ArticleEnabling user callbacks during zoom/pan
An annoying side-effect of Matlab figure uimodes (zoom, pan and rotate3d) is that they disable the user’s figure-wide callbacks (KeyPressFcn, KeyReleaseFcn, WindowKeyPressFcn, WindowKeyReleaseFcn,...
View ArticleFigure keypress modifiers
Matlab figures have a documented property called SelectionType that returns information about keypress modifiers such as or that were pressed during mouse clicks. Using this property has several...
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