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CopperSpice Journal

Welcome to the CopperSpice Journal

Posted on December 20, 2021March 30, 2022 By Barbara Geller Featured

The intent of this journal is to show a series of short examples to provide C++ developers with a general understanding about how to use the open source CopperSpice libraries.

Article summaries are displayed with the newest one listed first. Our initial article, posted in December 2021, shows how to set up your working environment and then   [ more . . . ]

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Source Code  (Gui Example 23)

Posted on May 23, 2022May 23, 2022 By Barbara Geller

The QTableView class provides another way to display multiple rows of data. A ListView can only display a single column while a TableView can have multiple columns. This view is a good choice when the data resides in a multi-dimensional container or an SQL database.

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Source Code  (Gui Example 22)

Posted on May 6, 2022May 8, 2022 By Barbara Geller

This example shows how to use a QListView to display a list of strings in a view. One item will be displayed on each row. Users can add, edit, and remove entries and the list will remain sorted. A standard model is used to store the data and a proxy model is used to automatically sort the data.

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Source Code  (Gui Example 21)

Posted on April 22, 2022April 27, 2022 By Barbara Geller

This example shows several different frame styles which can be added to a variety of GUI widgets. A frame can also be used to group a collection of related widgets. The purpose of using a frame is to change the visual appearance of the boarder around a single widget or a group of widgets.

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Source Code  (Gui Example 20)

Posted on March 31, 2022April 11, 2022 By Barbara Geller

A common requirement for applications is to save user settings when an application is closed and then restore them the next time the application is opened. This example shows how to save information about the application and text the user has entered.

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Source Code  (Gui Example 19)

Posted on March 28, 2022April 11, 2022 By Barbara Geller

This example will show how to use check boxes and radio buttons on the pages of a Tab Widget. The layout of a tab page may contain any number of controls and the number of pages is unlimited.

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Source Code  (Gui Example 18)

Posted on March 15, 2022April 11, 2022 By Barbara Geller

The code in this example compares the three built in GUI widgets which are used to edit text. Each of these controls offers slightly different functionality and features.

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Source Code  (Gui Example 17)

Posted on March 4, 2022April 11, 2022 By Barbara Geller

The QLineEdit control appears in a user interface when a word or single line of text should be entered by the user. It is common for the entry to be a word which starts with the same letter. This example will show how to implement a completer which offers a list of predefined words for auto completion.

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Source Code  (Gui Example 16)

Posted on February 24, 2022April 11, 2022 By Barbara Geller

The QCalendarWidget displays a monthly calendar which allows a user a convenient way to select a date. In this example we will show how to change the colors for various days of the week.

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Source Code  (Gui Example 15)

Posted on February 24, 2022April 11, 2022 By Barbara Geller

The QCalendarWidget displays a monthly calendar which allows a user a convenient way to select a date. In this example we will show how to modify which day of the week the calendar should start on and various other appearance settings.

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Source Code  (Gui Example 14)

Posted on February 24, 2022April 11, 2022 By Barbara Geller

The QCalendarWidget displays a monthly calendar which allows a user a convenient way to select a date. This code shows how to set the minimum and maximum date range for a calendar.

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Finding the Documentation and Videos

Posted on February 15, 2022March 9, 2022 By Barbara Geller

The CopperSpice documentation is extensive, so let’s break it down into some smaller components. We have multiple tutorials and videos about programming and using C++. This article will explain where to find all of these.

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Source Code  (Gui Example 13)

Posted on February 11, 2022April 11, 2022 By Barbara Geller

This example shows how to use two other static methods in QFileDialog for the user to select a directory or file name.

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Source Code  (Gui Example 12)

Posted on February 11, 2022April 11, 2022 By Barbara Geller

This example shows how to use two other static methods in QInputDialog for the user to enter an item from a fixed list or some text.

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Source Code  (Gui Example 11)

Posted on February 11, 2022April 11, 2022 By Barbara Geller

This example shows how to use two static methods in QInputDialog for the user to enter a number.

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Source Code  (Gui Example 10)

Posted on February 4, 2022April 11, 2022 By Barbara Geller

This example introduces the QErrorMessage class and one additional message box static method.

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