Displaying a progress bar
A progress bar is a dynamic dialog that displays the percentage of completion bar for a running process that the user must wait for before continuing. A progress bar is more advanced than a simple dialog, because it needs to be updated continuously. In this recipe, we'll create a simple progress dialog based on a timer.
Getting ready
Open the QGIS Python console by selecting the Plugins menu and then clicking on Python Console.
How to do it...
The steps for this recipe include creating a custom class based on the QProgressBar, initializing the dialog and setting its size and title, creating a timer, connecting the progress bar to the timer, starting the time, and displaying the progress. To do this, we need to perform the ...
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