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Diffstat (limited to 'src/quick/doc/src/guidelines/qtquick-bestpractices.qdoc')
| -rw-r--r-- | src/quick/doc/src/guidelines/qtquick-bestpractices.qdoc | 35 |
1 files changed, 31 insertions, 4 deletions
diff --git a/src/quick/doc/src/guidelines/qtquick-bestpractices.qdoc b/src/quick/doc/src/guidelines/qtquick-bestpractices.qdoc index 2e2fc05aac..1934be6f26 100644 --- a/src/quick/doc/src/guidelines/qtquick-bestpractices.qdoc +++ b/src/quick/doc/src/guidelines/qtquick-bestpractices.qdoc @@ -6,6 +6,7 @@ \title Best Practices for QML and Qt Quick \brief Lists best practices for working with QML and Qt Quick. \ingroup best-practices +\ingroup explanations-programminglanguages Despite all of the benefits that QML and Qt Quick offer, they can be challenging in certain situations. The following sections elaborate on some of @@ -28,11 +29,16 @@ options that align with the latest UI design trends. If these UI controls do not satisfy your application's needs, only then it is recommended to create a custom control. +You can use the controls when you design UIs in Qt Design Studio. In addition, +it provides timeline-based animations, visual effects, layouts, and a +live-preview for prototyping applications. \section2 Related Information \list \li \l{Qt Quick Controls} +\li \l{Customizing Qt Quick Controls} \li \l{Qt Quick} +\li \l{Qt Design Studio Manual} \endlist \omit @@ -88,12 +94,17 @@ qt_add_qml_module(my_module All QML files listed under \c {QML_FILES} will automatically get compiled \l {Ahead-of-Time Compilation}{ahead of time}. +You should keep the QML files in the same directory as the CMakeLists.txt with +the qt_add_qml_module. Otherwise their \l{The Implicit Import}{implicit imports} +will be different from the \l{QML Modules} they belong to. This is a frequent +source of mistakes. + \section2 Related Information \list \li \l{The Qt Resource System} \endlist -\section1 Separate UI from Logic +\section1 Separate UI from Business Logic One of the key goals that most application developers want to achieve is to create a maintainable application. One of the ways to achieve this goal is @@ -109,8 +120,8 @@ reasons why an application's UI should be written in QML: \li JavaScript can easily be used in QML to respond to events. \endlist -Being a strongly typed language, C++ is best suited for an application's logic. -Typically, such code performs tasks such as complex calculations +Being a strongly typed language, C++ is best suited for an application's +business logic. Typically, such code performs tasks such as complex calculations or data processing, which are faster in C++ than QML. Qt offers various approaches to integrate QML and C++ code in an application. @@ -154,6 +165,22 @@ see \l {Choosing the Correct Integration Method Between C++ and QML}. \li \l{Qt Quick Controls - Chat Tutorial}{Chat application tutorial} \endlist +\section1 Using Qt Design Studio + +Qt Design Studio uses UI files that have the filename extension \e {.ui.qml} +to separate the visual parts of the UI from the UI logic you implement in +\e {.qml} files. You should edit UI files only in the \uicontrol {2D} view in +Qt Design Studio. If you use some other tool to add code that Qt Design Studio +does not support, it displays error messages. Fix the errors to enable visual +editing of the UI files again. Typically, you should move the unsupported code +to a \e {.qml} file. + +\section2 Related Information + +\list + \li \l{Qt Design Studio: UI Files} +\endlist + \section1 Using Qt Quick Layouts Qt offers Qt Quick Layouts to arrange Qt Quick items visually in a layout. @@ -228,7 +255,7 @@ property MyMenu optionsMenu \section1 Performance For information on performance in QML and Qt Quick, -see \l {Performance Considerations And Suggestions}. +see \l {QML Performance Considerations And Suggestions}. \section1 Prefer Declarative Bindings Over Imperative Assignments |