diff options
Diffstat (limited to 'doc/src/designer-manual.qdoc')
| -rw-r--r-- | doc/src/designer-manual.qdoc | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/doc/src/designer-manual.qdoc b/doc/src/designer-manual.qdoc index 9c13d79..58d0f71 100644 --- a/doc/src/designer-manual.qdoc +++ b/doc/src/designer-manual.qdoc @@ -478,11 +478,12 @@ accordingly. When you click on the slider and drag it to a certain value, you want the - spin box to display the slider's position. To do this, you need to connect - the slider's \l{QAbstractSlider::}{valueChanged()} signal to the spin box's - \l{QSpinBox::}{setValue()} slot. You also need to make the reverse - connections, e.g., connect the spin box's \l{QSpinBox::}{valueChanged()} - signal to the slider's \l{QAbstractSlider::value()}{setValue()} slot. + spin box to display the slider's position. To accomplish this behavior, you + need to connect the slider's \l{QAbstractSlider::}{valueChanged()} signal + to the spin box's \l{QSpinBox::}{setValue()} slot. You also need to make + the reverse connections, e.g., connect the spin box's \l{QSpinBox::} + {valueChanged()} signal to the slider's \l{QAbstractSlider::value()} + {setValue()} slot. To do this, you have to switch to \gui{Edit Signals/Slots} mode, either by pressing \key{F4} or something \gui{Edit Signals/Slots} from the \gui{Edit} @@ -498,13 +499,18 @@ correct signal and slot and click \gui OK. \endtable - \image rgbController-configureConnection.png + \image rgbController-configureConnection1.png Repeat the step (in reverse order), clicking on the spin box and dragging the cursor towards the slider, to connect the spin box's \l{QSpinBox::}{valueChanged()} signal to the slider's \l{QAbstractSlider::value()}{setValue()} slot. + You can use the screenshot below as a guide to selecting the correct signal + and slot. + + \image rgbController-configure-connection2.png + Now that you have successfully connected the objects for the "RED" component of the RGB Controller, do the same for the "GREEN" and "BLUE" components as well. @@ -512,7 +518,6 @@ Since RGB values range between 0 and 255, we need to limit the spin box and slider to that particular range. - \omit \table \row \i \inlineimage rgbController-property-editing.png @@ -523,17 +528,14 @@ \l{QSpinBox::}{maximum} property. Then, click on the first vertical slider, you will see \l{QAbstractSlider}'s properties. Enter "255" for the \l{QAbstractSlider::}{maximum} property as well. Repeat this - process for the remaining spin boxes and sliders. + process for the remaining spin boxes and sliders. \endtable - \endomit Now, we preview your form to see how it would look in your application. To preview your form, press \key{Ctrl + R} or select \gui Preview from the \gui Form menu. - \omit \image rgbController-preview.png - \endomit Try dragging the slider - the spin box will mirror its value too (and vice versa). Also, you can resize it to see how the layouts used to manage the |