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Qt Migration

Qt Migration. A One-Year Retrospective. Motivations for Replacing Galaxy. Galaxy as a GUI Toolkit Galaxy Today Visix bankruptcy Ambiencia purchase No updates or maintenance Shrinking user-base Questionable support for new OS versions. Qt.

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Qt Migration

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  1. Qt Migration A One-Year Retrospective

  2. Motivations for Replacing Galaxy • Galaxy as a GUI Toolkit • Galaxy Today • Visix bankruptcy • Ambiencia purchase • No updates or maintenance • Shrinking user-base • Questionable support for new OS versions

  3. Qt • Platform independent (Windows, Solaris, Linux, Mac) • Easy Integration with Galaxy • Substantial user-base • Linux / KDE • Commercial customers - AT&T, IBM, Xerox, Nasa, Adobe • Reasonable cost and licensing • Commercial and non-commercial Open Source • Object-oriented • GUI builder tool • Advanced widgets • Custom widgets

  4. Completed Qt Development • Plot Dialog • Replaced xmgr on Solaris

  5. Completed Qt Development • New slot dialogs in 4.2 • ScalarSlot Dialog

  6. Completed Qt Development • New slot dialogs in 4.2 (Cont’d) • ListSlot Dialog

  7. Completed Qt Development • New slot dialogs in 4.2 (Cont’d) • PeriodicSlot Dialog

  8. Completed Qt Development • RulesAnalysis Dialog • New development for 4.3

  9. Completed Qt Development • OpenObject Dialog • Replaced Galaxy dialog in 4.3

  10. New Qt Development • SCT • Will replace Galaxy SCT

  11. New User Interface Features • Popup Menus • Right-mouse button • Context-sensitive • Sortable Lists

  12. New User Interface Features • Toolbars • Tooltips and Status Bar Help

  13. Initial Assesment • Object-Oriented • Yeah! • Much easier integration with simulation code • More stable GUI code • Complexity of code • DateTimeSpinner: 2700 lines (Galaxy) vs 600 lines(Qt)

  14. Initial Assesment (Cont’d) • Open-Source • Debug using source code • Modify Qt ourselves • Qwt graphing library • Trolltech • Good documentation • Maintenance and releases

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