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| {{Note|1=This is a style guide for KDE Frameworks 5. If you write code that is not targeted at KF5, but only at KDE SC 4, refer to [[Policies/Kdelibs_Coding_Style|that style guide]].}}
| | This content was moved to https://community.kde.org/Policies/Frameworks_Coding_Style |
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| == Indentation ==
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| * 4 spaces
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| * No tabs
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| == Variable Declarations ==
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| * Each variable declaration on a new line
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| * Each new word in a variable name starts with a capital letter (so-called camelCase)
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| * Avoid abbreviations
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| * Take useful names. No short names, except:
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| ** Single character variable names can denote counters and temporary variables whose purpose is obvious
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| * Variables and functions start with a lowercase letter
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| Example:
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| <syntaxhighlight lang="cpp-qt">
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| // wrong
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| KCategorizedView *catview;
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| QString prtxt, Errstr;
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| // correct
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| KCategorizedView *groupedDeviceList;
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| QString progressText;
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| QString errorString;
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| </syntaxhighlight>
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| == Whitespace ==
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| * Use blank lines to group statements
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| * Use only one empty line
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| * One space after each keyword
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| ** Exception: No space between return and ';'
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| * For pointers or references, use a single space before '*' or '&', but not after
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| * No space after a cast
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| Example:
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| <syntaxhighlight lang="cpp-qt">
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| // wrong
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| QString* myString;
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| if(true){
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| }
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| // correct | |
| QString *myString;
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| if (true) {
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| }
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| </syntaxhighlight>
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| == Qt Includes ==
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| * For Qt #includes omit the module name and only use the class name. That way chances are good that future migrations of Qt classes between different modules do not need any adjustments in the code.
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| Example:
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| <syntaxhighlight lang="cpp-qt">
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| // wrong | |
| #include <QtCore/QString>
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| // correct
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| #include <QString>
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| </syntaxhighlight>
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| {{Note|1=This policy applies to KF5 and is the exact opposite of the preferred style for kdelibs in KDE SC 4.}}
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