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Add IGUISpinBox functions getValueFor and getOldValue
Also documenting some missing feature (decimal places ignored with direct text input) getValueFor allows to check the value a given text would have getOldValue can be used to check the previous value in a EGET_SPINBOX_CHANGED event git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6429 dfc29bdd-3216-0410-991c-e03cc46cb475
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cutealien
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@ -1,6 +1,7 @@
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--------------------------
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Changes in 1.9 (not yet released)
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- Add IGUISpinBox functions getValueFor and getOldValue
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- Bugfix: IGUIElement::getNextElement now passing includeInvisible and includeDisabled flags recursively instead of disabling those for children.
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This fixes problems that elements sometimes didn't get a tab order because some parent was invisible and so tab'ing for them failed completely.
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Also setTabOrder(-1) now also checks for disabled elements for the same reason (disabled parent causing children to not get a tab-order).
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@ -51,6 +51,12 @@ namespace gui
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//! Get the current value of the spinbox
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virtual f32 getValue() const = 0;
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//! Get the value the spinbox would have for the given text
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/** Note: There is no rounding for decimal places going on here
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The reason is that so far spinbox doesn't restrict entering longer
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numbers (or any other text) (TODO)*/
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virtual f32 getValueFor(const wchar_t* text) const = 0;
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//! set the range of values which can be used in the spinbox
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/** \param min: minimum value
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\param max: maximum value */
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@ -68,7 +74,8 @@ namespace gui
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virtual void setStepSize(f32 step=1.f) = 0;
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//! Sets the number of decimal places to display.
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//! Note that this also rounds the range to the same number of decimal places.
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//! Note: This also rounds the range to the same number of decimal places.
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//! Note: This is only used for the buttons so far, text-input ignores it (TODO)
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/** \param places: The number of decimal places to display, use -1 to reset */
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virtual void setDecimalPlaces(s32 places) = 0;
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@ -82,6 +89,12 @@ namespace gui
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//! Gets when the spinbox has to validate entered text.
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/** \return A combination of EGUI_SPINBOX_VALIDATION bit flags */
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virtual u32 getValidateOn() const = 0;
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//! Gets previous value in EGET_SPINBOX_CHANGED events
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/** Note: That value changes as soon as a new value is set (to the new value).
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So it's only useful to check for last value in the event and has no use otherwise.
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Also it's possible to mess it up by setting text via the editbox sub-element directly. */
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virtual f32 getOldValue() const = 0;
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};
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@ -23,7 +23,8 @@ CGUISpinBox::CGUISpinBox(const wchar_t* text, bool border,IGUIEnvironment* envir
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: IGUISpinBox(environment, parent, id, rectangle),
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EditBox(0), ButtonSpinUp(0), ButtonSpinDown(0), StepSize(1.f),
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RangeMin(-FLT_MAX), RangeMax(FLT_MAX), FormatString(L"%f"),
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DecimalPlaces(-1), ValidateOn(EGUI_SBV_ENTER|EGUI_SBV_LOSE_FOCUS)
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DecimalPlaces(-1), ValidateOn(EGUI_SBV_ENTER|EGUI_SBV_LOSE_FOCUS),
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OldValue(0.f)
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{
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#ifdef _DEBUG
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setDebugName("CGUISpinBox");
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@ -55,6 +56,8 @@ CGUISpinBox::CGUISpinBox(const wchar_t* text, bool border,IGUIEnvironment* envir
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EditBox->setAlignment(EGUIA_UPPERLEFT, EGUIA_LOWERRIGHT, EGUIA_UPPERLEFT, EGUIA_LOWERRIGHT);
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refreshSprites();
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OldValue = getValue();
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}
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@ -103,24 +106,28 @@ IGUIEditBox* CGUISpinBox::getEditBox() const
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void CGUISpinBox::setValue(f32 val)
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{
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wchar_t str[100];
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OldValue = val;
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wchar_t str[100];
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swprintf_irr(str, 99, FormatString.c_str(), val);
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EditBox->setText(str);
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verifyValueRange();
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verifyValueRange(getValue());
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}
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f32 CGUISpinBox::getValue() const
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{
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const wchar_t* val = EditBox->getText();
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return getValueFor(EditBox->getText());
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}
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f32 CGUISpinBox::getValueFor(const wchar_t* val) const
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{
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if ( !val )
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return 0.f;
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core::stringc tmp(val);
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return core::fast_atof(tmp.c_str());
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}
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void CGUISpinBox::setRange(f32 min, f32 max)
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{
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if (max<min)
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@ -135,7 +142,7 @@ void CGUISpinBox::setRange(f32 min, f32 max)
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swprintf_irr(str, 99, FormatString.c_str(), RangeMax);
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RangeMax = core::fast_atof(core::stringc(str).c_str());
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verifyValueRange();
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verifyValueRange(getValue());
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}
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@ -194,6 +201,7 @@ bool CGUISpinBox::OnEvent(const SEvent& event)
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{
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if (IsEnabled)
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{
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f32 oldValue = OldValue;
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bool changeEvent = false;
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bool eatEvent = false;
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switch(event.EventType)
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@ -240,7 +248,8 @@ bool CGUISpinBox::OnEvent(const SEvent& event)
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|| (event.GUIEvent.EventType == EGET_ELEMENT_FOCUS_LOST && ValidateOn & EGUI_SBV_LOSE_FOCUS)
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)
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{
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verifyValueRange();
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OldValue = getValue(); // no call to setValue when text was changed without setText call
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verifyValueRange(OldValue);
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changeEvent = true;
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}
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}
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@ -251,14 +260,18 @@ bool CGUISpinBox::OnEvent(const SEvent& event)
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if ( changeEvent )
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{
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SEvent e;
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e.EventType = EET_GUI_EVENT;
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e.GUIEvent.Caller = this;
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e.GUIEvent.Element = 0;
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e.GUIEvent.EventType = EGET_SPINBOX_CHANGED;
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if ( Parent )
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{
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SEvent e;
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e.EventType = EET_GUI_EVENT;
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e.GUIEvent.Caller = this;
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e.GUIEvent.Element = 0;
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e.GUIEvent.EventType = EGET_SPINBOX_CHANGED;
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core::swap(oldValue, OldValue);
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Parent->OnEvent(e);
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core::swap(oldValue, OldValue);
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}
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if ( eatEvent )
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return true;
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}
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@ -286,17 +299,12 @@ void CGUISpinBox::draw()
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IGUISpinBox::draw();
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}
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void CGUISpinBox::verifyValueRange()
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void CGUISpinBox::verifyValueRange(f32 val)
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{
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f32 val = getValue();
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if ( val+core::ROUNDING_ERROR_f32 < RangeMin )
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val = RangeMin;
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setValue(RangeMin);
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else if ( val-core::ROUNDING_ERROR_f32 > RangeMax )
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val = RangeMax;
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else
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return;
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setValue(val);
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setValue(RangeMax);
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}
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@ -305,7 +313,6 @@ void CGUISpinBox::setText(const wchar_t* text)
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{
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EditBox->setText(text);
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setValue(getValue());
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verifyValueRange();
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}
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@ -41,6 +41,9 @@ namespace gui
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//! Get the current value of the spinbox
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virtual f32 getValue() const IRR_OVERRIDE;
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//! Get the value the spinbox would have for the given text
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virtual f32 getValueFor(const wchar_t* text) const IRR_OVERRIDE;
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//! set the range of values which can be used in the spinbox
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/** \param min: minimum value
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\param max: maximum value */
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@ -83,6 +86,12 @@ namespace gui
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//! Gets when the spinbox has to validate entered text.
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virtual u32 getValidateOn() const IRR_OVERRIDE;
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//! Gets previous value in EGET_SPINBOX_CHANGED events
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virtual f32 getOldValue() const IRR_OVERRIDE
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{
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return OldValue;
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}
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//! Writes attributes of the element.
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virtual void serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options) const IRR_OVERRIDE;
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@ -90,7 +99,7 @@ namespace gui
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virtual void deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options) IRR_OVERRIDE;
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protected:
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virtual void verifyValueRange();
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void verifyValueRange(f32 val);
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void refreshSprites();
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IGUIEditBox * EditBox;
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@ -104,6 +113,7 @@ namespace gui
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core::stringw FormatString;
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s32 DecimalPlaces;
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u32 ValidateOn; // combination of EGUI_SPINBOX_VALIDATION bit-flags
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f32 OldValue;
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};
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