(New page: == Dialogs == '''Reduce the dialog flood''' * Do not nest dialogs more than two levels deep. <small>For example "Configuration dialog > Advanced dialog" is ok, "Configuration dialog > ...) |
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| + | == Guidelines == | ||
| + | === Positioning === | ||
| + | * Always keep dialogs on top of their parent. | ||
| + | ::{| | ||
| + | | [[Image:DialogPositionParentBad.png]] | ||
| + | | {{BadUsability}} | ||
| + | |- | ||
| + | | [[Image:DialogsPositioningParentGood.png]] | ||
| + | | {{GoodUsability}} | ||
| + | |} | ||
| + | ::This is usually taken care of by the window manager. But in composed applications, focus problems may occur. Check carefully in this case. | ||
| + | * If reference in the parent window is required, make sure your dialog does not cover relevant parts. <br><small>For example a find dialog should neither be centered, nor cover a search result.</small> | ||
| − | == | + | === Interaction === |
| + | * Set input focus on confirmation button. | ||
| + | === Reduce the dialog flood === | ||
| + | * Do not nest dialogs more than two levels deep. <br><small>For example "Configuration dialog > Advanced dialog" is ok, "Configuration dialog > Advanced dialog > Further settings dialog" is too deep.</small> | ||
| + | * Avoid dialogs that contain only one or two options. If possible, use [[Design_and_Layout:Interaction:Input#Inline Editing|inline-editing]] instead. | ||
| + | * Do not use dialogs to display non-critical messages which do not require any further user interaction (typically dialogs with a single "OK" or "Close" button). Use [[Guidelines:Info Panel|info panels]] instead. | ||
| − | + | === Modal dialogs === | |
| − | * | + | * Use modal dialogs only if allowing interaction with other parts of the application while the window is opened could cause data loss or some other serious problem. |
| + | * Provide a clear way of leaving the modal dialog, such as a Cancel button. | ||
| − | + | === Dialog Layout === | |
| − | * | + | * Dialogs should not be bigger than 800x600 pixels and should always be resizable |
| + | * Make sure there is at least one third white space, do not overload the panel. | ||
| + | * The reading direction in dialogs is left to right, top to bottom. | ||
| + | * Dialogs are grouped in meaningful sections. The actions are grouped along their context of use, not along technical relations. | ||
| + | * Each section has a title. | ||
| + | * Labels are right-aligned, input widgets are left aligned. | ||
| + | * Provide one or two major vertical axis in your dialog that guide the user's attention.<br>The vertical line where the right aligned labels and the left aligned input widgets meet is one such example. | ||
| + | * Widgets which are subordinate to another widget are indented. If their enabled state depends on the parent widget, create an appropriate slot. | ||
| − | + | Otherwise, follow the guidelines described in [[Projects/Usability/HIG/Form_Label_Alignment|Form: Label Alignment]] | |
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| + | == Implementation == | ||
| + | * [http://api.kde.org/4.10-api/kdelibs-apidocs/kdeui/html/classKDialog.html KDialog] | ||
| − | + | == See Also == | |
| − | + | * [[Projects/Usability/HIG/Tabs_Pages|Tabs and Pages in Dialogs]] | |
| − | + | * [[Projects/Usability/HIG/Form_Label_Alignment|Form: Label Alignment]] | |
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Otherwise, follow the guidelines described in Form: Label Alignment
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