Building a High-Fidelity Excel-Style Table Component in Qt
Entroduction
Developing spreadsheet-like functionality within Qt applications often requires custom widget compositions, particularly when features such as frozen panes, auto-resizing rows, and cell merging are needed. While standard QTableView provides robust data display capabilities, it lacks native support for locking specific rows or colum ...
Posted on Mon, 13 Jul 2026 16:50:37 +0000 by Valect
Extending Custom Widgets in Web-Based SCADA Configuration Tool
Demo URL: http://121.40.16.189:12000
1. Adding a New Widget Category to the Sidebar
1.1. Registering the Menu Entry
To add a new category (e.g., "Control Widgets") to the left sidebar, modify Sidebar.js. Locate the Sidebar.prototype.categoryMenus array and insert a new entry:
Sidebar.prototype.categoryMenus = [
{
id: 4,
name ...
Posted on Thu, 02 Jul 2026 17:29:51 +0000 by ALEXKENT18