97e40a5409
Adds the feature of adaptive decimal step sizes for the QSpinBox and QDoubleSpinBox. By performing a calculation in QAbstractSpinBox::stepBy() we continuously set the step size one power of ten below the current value. So when the value is 1100, the step is set to 100, so stepping up once increases it to 1200. For 1200 stepping up takes it to 1300. For negative values stepping down from -1100 goes to -1200. It also works for all decimal values. 0.041 is increased to 0.042 by stepping once, and so on. The step direction is taken into account to handle edges cases, so that stepping down from 100 takes the value to 99 instead of 90. Thus, a step up followed by a step down -- or vice versa -- lands on the starting value; 99 -> 100 -> 99. Setting this property effectively disregards singleStep, but preserves its value so that it takes effect again when adaptive decimal step is disabled. Adaptive decimal step allows values to be easily set to reasonable levels. If the spin box value is 12000, changing to 13000 often makes more sense than to 12001. The feature is turned off be default, when single stepping is desired. The accelerated property allows values to be changed quickly, as well, but it is imprecise. Holding down the button makes it hard to land on an even thousand, like 12000 or 13000. Often you end up somewhere nearby and would need a second adjustment to get to an even hundred or thousand. [ChangeLog][QtWidgets] Add option of adaptive decimal step size for QSpinBox and QDoubleSpinBox. Change-Id: I9f286479b821e240c8ea05c238932fc128c582bb Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io> |
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| auto | ||
| baselineserver | ||
| benchmarks | ||
| global | ||
| manual | ||
| shared | ||
| README | ||
| tests.pro | ||
README
This directory contains autotests and benchmarks based on Qt Test. In order
to run the autotests reliably, you need to configure a desktop to match the
test environment that these tests are written for.
Linux X11:
* The user must be logged in to an active desktop; you can't run the
autotests without a valid DISPLAY that allows X11 connections.
* The tests are run against a KDE3 or KDE4 desktop.
* Window manager uses "click to focus", and not "focus follows mouse". Many
tests move the mouse cursor around and expect this to not affect focus
and activation.
* Disable "click to activate", i.e., when a window is opened, the window
manager should automatically activate it (give it input focus) and not
wait for the user to click the window.