Adding a User Interface to ChatGPT with BeeWare — Part 2

In Part 1 we introduced BeeWare and started laying out our GPT-4 enabled app. We will continue to build out our app in Part 2 and look at using WebViews as a renderer of content. This is not entirely straight forward, because WebView can only display http:// and https:// URLs, not file:// URLs. To serve local file content, we need to either run a web server on localhost using a background thread or just load the text content and wrap it in HTML tags.

Figure 1. Web Server with a bee inspired palette [Image Credit: Midjourney]

File Open Dialogs

The default File group menu items are File -> Close and File -> Close All. Clicking on either of these items will close the app. Most apps are going to want to open and save a file, we will add these commands to the menu bar only.

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To create a command for exisiting groups use the pre-defined group names (e.g., group=toga.Group.FILE). The complete File open command definition is:

file_open_cmd = toga.Command(
  self.action_open_file_dialog, 
  text='Open', 
  shortcut=toga.Key.MOD_1 + 'o',
  group=toga.Group.FILE
)