Book Image

QGIS Python Programming Cookbook

Book Image

QGIS Python Programming Cookbook

Overview of this book

Table of Contents (16 chapters)
QGIS Python Programming Cookbook
About the Author
About the Reviewers

Creating a simple text input dialog

In this recipe, we'll demonstrate one of the simplest methods used for accepting input from a user, a text input dialog.

Getting ready

Open the QGIS Python Console by selecting the Plugins menu and then clicking on Python Console.

How to do it...

In this recipe, we will initialize the dialog and then configure its title and label. We'll set the editing mode and the default text. When you click on the OK button, the text will be printed to the Python Console. To do this, we need to perform the following steps:

  1. First, we need to import the GUI library:

    from PyQt4.QtGui import *
  2. Next, we initialize the dialog:

    qid = QInputDialog()
  3. Now, we set the window's title, label text, editing mode, and default text:

    title = "Enter Your Name"
    label = "Name: "
    mode = QLineEdit.Normal
    default = "<your name here>"
  4. We configure the dialog while capturing the user input and the return code in variables:

    text, ok = QInputDialog.getText(qid, title, label, mode, default)
  5. When the...