mirror of https://github.com/dcoredump/dexed.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1586 lines
58 KiB
1586 lines
58 KiB
/*
|
|
==============================================================================
|
|
|
|
This file is part of the JUCE library.
|
|
Copyright (c) 2013 - Raw Material Software Ltd.
|
|
|
|
Permission is granted to use this software under the terms of either:
|
|
a) the GPL v2 (or any later version)
|
|
b) the Affero GPL v3
|
|
|
|
Details of these licenses can be found at: www.gnu.org/licenses
|
|
|
|
JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
|
|
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
|
|
|
|
------------------------------------------------------------------------------
|
|
|
|
To release a closed-source product which uses JUCE, commercial licenses are
|
|
available: visit www.juce.com for more information.
|
|
|
|
==============================================================================
|
|
*/
|
|
|
|
class Slider::Pimpl : public AsyncUpdater,
|
|
public ButtonListener, // (can't use Button::Listener due to idiotic VC2005 bug)
|
|
public LabelListener,
|
|
public ValueListener
|
|
{
|
|
public:
|
|
Pimpl (Slider& s, SliderStyle sliderStyle, TextEntryBoxPosition textBoxPosition)
|
|
: owner (s),
|
|
style (sliderStyle),
|
|
lastCurrentValue (0), lastValueMin (0), lastValueMax (0),
|
|
minimum (0), maximum (10), interval (0), doubleClickReturnValue (0),
|
|
skewFactor (1.0), velocityModeSensitivity (1.0),
|
|
velocityModeOffset (0.0), velocityModeThreshold (1),
|
|
rotaryStart (float_Pi * 1.2f),
|
|
rotaryEnd (float_Pi * 2.8f),
|
|
sliderRegionStart (0), sliderRegionSize (1), sliderBeingDragged (-1),
|
|
pixelsForFullDragExtent (250),
|
|
textBoxPos (textBoxPosition),
|
|
numDecimalPlaces (7),
|
|
textBoxWidth (80), textBoxHeight (20),
|
|
incDecButtonMode (incDecButtonsNotDraggable),
|
|
editableText (true),
|
|
doubleClickToValue (false),
|
|
isVelocityBased (false),
|
|
userKeyOverridesVelocity (true),
|
|
rotaryStop (true),
|
|
incDecButtonsSideBySide (false),
|
|
sendChangeOnlyOnRelease (false),
|
|
popupDisplayEnabled (false),
|
|
menuEnabled (false),
|
|
useDragEvents (false),
|
|
scrollWheelEnabled (true),
|
|
snapsToMousePos (true),
|
|
parentForPopupDisplay (nullptr)
|
|
{
|
|
}
|
|
|
|
~Pimpl()
|
|
{
|
|
currentValue.removeListener (this);
|
|
valueMin.removeListener (this);
|
|
valueMax.removeListener (this);
|
|
popupDisplay = nullptr;
|
|
}
|
|
|
|
//==============================================================================
|
|
void registerListeners()
|
|
{
|
|
currentValue.addListener (this);
|
|
valueMin.addListener (this);
|
|
valueMax.addListener (this);
|
|
}
|
|
|
|
bool isHorizontal() const noexcept
|
|
{
|
|
return style == LinearHorizontal
|
|
|| style == LinearBar
|
|
|| style == TwoValueHorizontal
|
|
|| style == ThreeValueHorizontal;
|
|
}
|
|
|
|
bool isVertical() const noexcept
|
|
{
|
|
return style == LinearVertical
|
|
|| style == LinearBarVertical
|
|
|| style == TwoValueVertical
|
|
|| style == ThreeValueVertical;
|
|
}
|
|
|
|
bool isRotary() const noexcept
|
|
{
|
|
return style == Rotary
|
|
|| style == RotaryHorizontalDrag
|
|
|| style == RotaryVerticalDrag
|
|
|| style == RotaryHorizontalVerticalDrag;
|
|
}
|
|
|
|
bool incDecDragDirectionIsHorizontal() const noexcept
|
|
{
|
|
return incDecButtonMode == incDecButtonsDraggable_Horizontal
|
|
|| (incDecButtonMode == incDecButtonsDraggable_AutoDirection && incDecButtonsSideBySide);
|
|
}
|
|
|
|
float getPositionOfValue (const double value) const
|
|
{
|
|
if (isHorizontal() || isVertical())
|
|
return getLinearSliderPos (value);
|
|
|
|
jassertfalse; // not a valid call on a slider that doesn't work linearly!
|
|
return 0.0f;
|
|
}
|
|
|
|
void setRange (const double newMin, const double newMax, const double newInt)
|
|
{
|
|
if (minimum != newMin || maximum != newMax || interval != newInt)
|
|
{
|
|
minimum = newMin;
|
|
maximum = newMax;
|
|
interval = newInt;
|
|
|
|
// figure out the number of DPs needed to display all values at this
|
|
// interval setting.
|
|
numDecimalPlaces = 7;
|
|
|
|
if (newInt != 0)
|
|
{
|
|
int v = abs ((int) (newInt * 10000000));
|
|
|
|
while ((v % 10) == 0)
|
|
{
|
|
--numDecimalPlaces;
|
|
v /= 10;
|
|
}
|
|
}
|
|
|
|
// keep the current values inside the new range..
|
|
if (style != TwoValueHorizontal && style != TwoValueVertical)
|
|
{
|
|
setValue (getValue(), dontSendNotification);
|
|
}
|
|
else
|
|
{
|
|
setMinValue (getMinValue(), dontSendNotification, false);
|
|
setMaxValue (getMaxValue(), dontSendNotification, false);
|
|
}
|
|
|
|
updateText();
|
|
}
|
|
}
|
|
|
|
double getValue() const
|
|
{
|
|
// for a two-value style slider, you should use the getMinValue() and getMaxValue()
|
|
// methods to get the two values.
|
|
jassert (style != TwoValueHorizontal && style != TwoValueVertical);
|
|
|
|
return currentValue.getValue();
|
|
}
|
|
|
|
void setValue (double newValue, const NotificationType notification)
|
|
{
|
|
// for a two-value style slider, you should use the setMinValue() and setMaxValue()
|
|
// methods to set the two values.
|
|
jassert (style != TwoValueHorizontal && style != TwoValueVertical);
|
|
|
|
newValue = constrainedValue (newValue);
|
|
|
|
if (style == ThreeValueHorizontal || style == ThreeValueVertical)
|
|
{
|
|
jassert ((double) valueMin.getValue() <= (double) valueMax.getValue());
|
|
|
|
newValue = jlimit ((double) valueMin.getValue(),
|
|
(double) valueMax.getValue(),
|
|
newValue);
|
|
}
|
|
|
|
if (newValue != lastCurrentValue)
|
|
{
|
|
if (valueBox != nullptr)
|
|
valueBox->hideEditor (true);
|
|
|
|
lastCurrentValue = newValue;
|
|
|
|
// (need to do this comparison because the Value will use equalsWithSameType to compare
|
|
// the new and old values, so will generate unwanted change events if the type changes)
|
|
if (currentValue != newValue)
|
|
currentValue = newValue;
|
|
|
|
updateText();
|
|
owner.repaint();
|
|
|
|
if (popupDisplay != nullptr)
|
|
popupDisplay->updatePosition (owner.getTextFromValue (newValue));
|
|
|
|
triggerChangeMessage (notification);
|
|
}
|
|
}
|
|
|
|
void setMinValue (double newValue, const NotificationType notification,
|
|
const bool allowNudgingOfOtherValues)
|
|
{
|
|
// The minimum value only applies to sliders that are in two- or three-value mode.
|
|
jassert (style == TwoValueHorizontal || style == TwoValueVertical
|
|
|| style == ThreeValueHorizontal || style == ThreeValueVertical);
|
|
|
|
newValue = constrainedValue (newValue);
|
|
|
|
if (style == TwoValueHorizontal || style == TwoValueVertical)
|
|
{
|
|
if (allowNudgingOfOtherValues && newValue > (double) valueMax.getValue())
|
|
setMaxValue (newValue, notification, false);
|
|
|
|
newValue = jmin ((double) valueMax.getValue(), newValue);
|
|
}
|
|
else
|
|
{
|
|
if (allowNudgingOfOtherValues && newValue > lastCurrentValue)
|
|
setValue (newValue, notification);
|
|
|
|
newValue = jmin (lastCurrentValue, newValue);
|
|
}
|
|
|
|
if (lastValueMin != newValue)
|
|
{
|
|
lastValueMin = newValue;
|
|
valueMin = newValue;
|
|
owner.repaint();
|
|
|
|
if (popupDisplay != nullptr)
|
|
popupDisplay->updatePosition (owner.getTextFromValue (newValue));
|
|
|
|
triggerChangeMessage (notification);
|
|
}
|
|
}
|
|
|
|
void setMaxValue (double newValue, const NotificationType notification,
|
|
const bool allowNudgingOfOtherValues)
|
|
{
|
|
// The maximum value only applies to sliders that are in two- or three-value mode.
|
|
jassert (style == TwoValueHorizontal || style == TwoValueVertical
|
|
|| style == ThreeValueHorizontal || style == ThreeValueVertical);
|
|
|
|
newValue = constrainedValue (newValue);
|
|
|
|
if (style == TwoValueHorizontal || style == TwoValueVertical)
|
|
{
|
|
if (allowNudgingOfOtherValues && newValue < (double) valueMin.getValue())
|
|
setMinValue (newValue, notification, false);
|
|
|
|
newValue = jmax ((double) valueMin.getValue(), newValue);
|
|
}
|
|
else
|
|
{
|
|
if (allowNudgingOfOtherValues && newValue < lastCurrentValue)
|
|
setValue (newValue, notification);
|
|
|
|
newValue = jmax (lastCurrentValue, newValue);
|
|
}
|
|
|
|
if (lastValueMax != newValue)
|
|
{
|
|
lastValueMax = newValue;
|
|
valueMax = newValue;
|
|
owner.repaint();
|
|
|
|
if (popupDisplay != nullptr)
|
|
popupDisplay->updatePosition (owner.getTextFromValue (valueMax.getValue()));
|
|
|
|
triggerChangeMessage (notification);
|
|
}
|
|
}
|
|
|
|
void setMinAndMaxValues (double newMinValue, double newMaxValue, const NotificationType notification)
|
|
{
|
|
// The maximum value only applies to sliders that are in two- or three-value mode.
|
|
jassert (style == TwoValueHorizontal || style == TwoValueVertical
|
|
|| style == ThreeValueHorizontal || style == ThreeValueVertical);
|
|
|
|
if (newMaxValue < newMinValue)
|
|
std::swap (newMaxValue, newMinValue);
|
|
|
|
newMinValue = constrainedValue (newMinValue);
|
|
newMaxValue = constrainedValue (newMaxValue);
|
|
|
|
if (lastValueMax != newMaxValue || lastValueMin != newMinValue)
|
|
{
|
|
lastValueMax = newMaxValue;
|
|
lastValueMin = newMinValue;
|
|
valueMin = newMinValue;
|
|
valueMax = newMaxValue;
|
|
owner.repaint();
|
|
|
|
triggerChangeMessage (notification);
|
|
}
|
|
}
|
|
|
|
double getMinValue() const
|
|
{
|
|
// The minimum value only applies to sliders that are in two- or three-value mode.
|
|
jassert (style == TwoValueHorizontal || style == TwoValueVertical
|
|
|| style == ThreeValueHorizontal || style == ThreeValueVertical);
|
|
|
|
return valueMin.getValue();
|
|
}
|
|
|
|
double getMaxValue() const
|
|
{
|
|
// The maximum value only applies to sliders that are in two- or three-value mode.
|
|
jassert (style == TwoValueHorizontal || style == TwoValueVertical
|
|
|| style == ThreeValueHorizontal || style == ThreeValueVertical);
|
|
|
|
return valueMax.getValue();
|
|
}
|
|
|
|
void triggerChangeMessage (const NotificationType notification)
|
|
{
|
|
if (notification != dontSendNotification)
|
|
{
|
|
if (notification == sendNotificationSync)
|
|
handleAsyncUpdate();
|
|
else
|
|
triggerAsyncUpdate();
|
|
|
|
owner.valueChanged();
|
|
}
|
|
}
|
|
|
|
void handleAsyncUpdate() override
|
|
{
|
|
cancelPendingUpdate();
|
|
|
|
Component::BailOutChecker checker (&owner);
|
|
Slider* slider = &owner; // (must use an intermediate variable here to avoid a VS2005 compiler bug)
|
|
listeners.callChecked (checker, &SliderListener::sliderValueChanged, slider); // (can't use Slider::Listener due to idiotic VC2005 bug)
|
|
}
|
|
|
|
void sendDragStart()
|
|
{
|
|
owner.startedDragging();
|
|
|
|
Component::BailOutChecker checker (&owner);
|
|
Slider* slider = &owner; // (must use an intermediate variable here to avoid a VS2005 compiler bug)
|
|
listeners.callChecked (checker, &SliderListener::sliderDragStarted, slider);
|
|
}
|
|
|
|
void sendDragEnd()
|
|
{
|
|
owner.stoppedDragging();
|
|
|
|
sliderBeingDragged = -1;
|
|
|
|
Component::BailOutChecker checker (&owner);
|
|
Slider* slider = &owner; // (must use an intermediate variable here to avoid a VS2005 compiler bug)
|
|
listeners.callChecked (checker, &SliderListener::sliderDragEnded, slider);
|
|
}
|
|
|
|
struct DragInProgress
|
|
{
|
|
DragInProgress (Pimpl& p) : owner (p) { owner.sendDragStart(); }
|
|
~DragInProgress() { owner.sendDragEnd(); }
|
|
|
|
Pimpl& owner;
|
|
|
|
JUCE_DECLARE_NON_COPYABLE (DragInProgress)
|
|
};
|
|
|
|
void buttonClicked (Button* button) override
|
|
{
|
|
if (style == IncDecButtons)
|
|
{
|
|
const double delta = (button == incButton) ? interval : -interval;
|
|
|
|
DragInProgress drag (*this);
|
|
setValue (owner.snapValue (getValue() + delta, false), sendNotificationSync);
|
|
}
|
|
}
|
|
|
|
void valueChanged (Value& value) override
|
|
{
|
|
if (value.refersToSameSourceAs (currentValue))
|
|
{
|
|
if (style != TwoValueHorizontal && style != TwoValueVertical)
|
|
setValue (currentValue.getValue(), dontSendNotification);
|
|
}
|
|
else if (value.refersToSameSourceAs (valueMin))
|
|
setMinValue (valueMin.getValue(), dontSendNotification, true);
|
|
else if (value.refersToSameSourceAs (valueMax))
|
|
setMaxValue (valueMax.getValue(), dontSendNotification, true);
|
|
}
|
|
|
|
void labelTextChanged (Label* label) override
|
|
{
|
|
const double newValue = owner.snapValue (owner.getValueFromText (label->getText()), false);
|
|
|
|
if (newValue != (double) currentValue.getValue())
|
|
{
|
|
DragInProgress drag (*this);
|
|
setValue (newValue, sendNotificationSync);
|
|
}
|
|
|
|
updateText(); // force a clean-up of the text, needed in case setValue() hasn't done this.
|
|
}
|
|
|
|
void updateText()
|
|
{
|
|
if (valueBox != nullptr)
|
|
valueBox->setText (owner.getTextFromValue (currentValue.getValue()), dontSendNotification);
|
|
}
|
|
|
|
double constrainedValue (double value) const
|
|
{
|
|
if (interval > 0)
|
|
value = minimum + interval * std::floor ((value - minimum) / interval + 0.5);
|
|
|
|
if (value <= minimum || maximum <= minimum)
|
|
value = minimum;
|
|
else if (value >= maximum)
|
|
value = maximum;
|
|
|
|
return value;
|
|
}
|
|
|
|
float getLinearSliderPos (const double value) const
|
|
{
|
|
double pos;
|
|
|
|
if (maximum <= minimum)
|
|
pos = 0.5;
|
|
else if (value < minimum)
|
|
pos = 0.0;
|
|
else if (value > maximum)
|
|
pos = 1.0;
|
|
else
|
|
pos = owner.valueToProportionOfLength (value);
|
|
|
|
if (isVertical() || style == IncDecButtons)
|
|
pos = 1.0 - pos;
|
|
|
|
jassert (pos >= 0 && pos <= 1.0);
|
|
return (float) (sliderRegionStart + pos * sliderRegionSize);
|
|
}
|
|
|
|
void setSliderStyle (const SliderStyle newStyle)
|
|
{
|
|
if (style != newStyle)
|
|
{
|
|
style = newStyle;
|
|
owner.repaint();
|
|
owner.lookAndFeelChanged();
|
|
}
|
|
}
|
|
|
|
void setRotaryParameters (const float startAngleRadians,
|
|
const float endAngleRadians,
|
|
const bool stopAtEnd)
|
|
{
|
|
// make sure the values are sensible..
|
|
jassert (rotaryStart >= 0 && rotaryEnd >= 0);
|
|
jassert (rotaryStart < float_Pi * 4.0f && rotaryEnd < float_Pi * 4.0f);
|
|
jassert (rotaryStart < rotaryEnd);
|
|
|
|
rotaryStart = startAngleRadians;
|
|
rotaryEnd = endAngleRadians;
|
|
rotaryStop = stopAtEnd;
|
|
}
|
|
|
|
void setVelocityModeParameters (const double sensitivity, const int threshold,
|
|
const double offset, const bool userCanPressKeyToSwapMode)
|
|
{
|
|
velocityModeSensitivity = sensitivity;
|
|
velocityModeOffset = offset;
|
|
velocityModeThreshold = threshold;
|
|
userKeyOverridesVelocity = userCanPressKeyToSwapMode;
|
|
}
|
|
|
|
void setSkewFactorFromMidPoint (const double sliderValueToShowAtMidPoint)
|
|
{
|
|
if (maximum > minimum)
|
|
skewFactor = log (0.5) / log ((sliderValueToShowAtMidPoint - minimum)
|
|
/ (maximum - minimum));
|
|
}
|
|
|
|
void setIncDecButtonsMode (const IncDecButtonMode mode)
|
|
{
|
|
if (incDecButtonMode != mode)
|
|
{
|
|
incDecButtonMode = mode;
|
|
owner.lookAndFeelChanged();
|
|
}
|
|
}
|
|
|
|
void setTextBoxStyle (const TextEntryBoxPosition newPosition,
|
|
const bool isReadOnly,
|
|
const int textEntryBoxWidth,
|
|
const int textEntryBoxHeight)
|
|
{
|
|
if (textBoxPos != newPosition
|
|
|| editableText != (! isReadOnly)
|
|
|| textBoxWidth != textEntryBoxWidth
|
|
|| textBoxHeight != textEntryBoxHeight)
|
|
{
|
|
textBoxPos = newPosition;
|
|
editableText = ! isReadOnly;
|
|
textBoxWidth = textEntryBoxWidth;
|
|
textBoxHeight = textEntryBoxHeight;
|
|
|
|
owner.repaint();
|
|
owner.lookAndFeelChanged();
|
|
}
|
|
}
|
|
|
|
void setTextBoxIsEditable (const bool shouldBeEditable)
|
|
{
|
|
editableText = shouldBeEditable;
|
|
|
|
if (valueBox != nullptr)
|
|
valueBox->setEditable (shouldBeEditable && owner.isEnabled());
|
|
}
|
|
|
|
void showTextBox()
|
|
{
|
|
jassert (editableText); // this should probably be avoided in read-only sliders.
|
|
|
|
if (valueBox != nullptr)
|
|
valueBox->showEditor();
|
|
}
|
|
|
|
void hideTextBox (const bool discardCurrentEditorContents)
|
|
{
|
|
if (valueBox != nullptr)
|
|
{
|
|
valueBox->hideEditor (discardCurrentEditorContents);
|
|
|
|
if (discardCurrentEditorContents)
|
|
updateText();
|
|
}
|
|
}
|
|
|
|
void setTextValueSuffix (const String& suffix)
|
|
{
|
|
if (textSuffix != suffix)
|
|
{
|
|
textSuffix = suffix;
|
|
updateText();
|
|
}
|
|
}
|
|
|
|
void lookAndFeelChanged (LookAndFeel& lf)
|
|
{
|
|
if (textBoxPos != NoTextBox)
|
|
{
|
|
const String previousTextBoxContent (valueBox != nullptr ? valueBox->getText()
|
|
: owner.getTextFromValue (currentValue.getValue()));
|
|
|
|
valueBox = nullptr;
|
|
owner.addAndMakeVisible (valueBox = lf.createSliderTextBox (owner));
|
|
|
|
valueBox->setWantsKeyboardFocus (false);
|
|
valueBox->setText (previousTextBoxContent, dontSendNotification);
|
|
|
|
if (valueBox->isEditable() != editableText) // (avoid overriding the single/double click flags unless we have to)
|
|
valueBox->setEditable (editableText && owner.isEnabled());
|
|
|
|
valueBox->addListener (this);
|
|
|
|
if (style == LinearBar || style == LinearBarVertical)
|
|
{
|
|
valueBox->addMouseListener (&owner, false);
|
|
valueBox->setMouseCursor (MouseCursor::ParentCursor);
|
|
}
|
|
else
|
|
{
|
|
valueBox->setTooltip (owner.getTooltip());
|
|
}
|
|
}
|
|
else
|
|
{
|
|
valueBox = nullptr;
|
|
}
|
|
|
|
if (style == IncDecButtons)
|
|
{
|
|
owner.addAndMakeVisible (incButton = lf.createSliderButton (owner, true));
|
|
incButton->addListener (this);
|
|
|
|
owner.addAndMakeVisible (decButton = lf.createSliderButton (owner, false));
|
|
decButton->addListener (this);
|
|
|
|
if (incDecButtonMode != incDecButtonsNotDraggable)
|
|
{
|
|
incButton->addMouseListener (&owner, false);
|
|
decButton->addMouseListener (&owner, false);
|
|
}
|
|
else
|
|
{
|
|
incButton->setRepeatSpeed (300, 100, 20);
|
|
decButton->setRepeatSpeed (300, 100, 20);
|
|
}
|
|
|
|
const String tooltip (owner.getTooltip());
|
|
incButton->setTooltip (tooltip);
|
|
decButton->setTooltip (tooltip);
|
|
}
|
|
else
|
|
{
|
|
incButton = nullptr;
|
|
decButton = nullptr;
|
|
}
|
|
|
|
owner.setComponentEffect (lf.getSliderEffect (owner));
|
|
|
|
owner.resized();
|
|
owner.repaint();
|
|
}
|
|
|
|
void showPopupMenu()
|
|
{
|
|
PopupMenu m;
|
|
m.setLookAndFeel (&owner.getLookAndFeel());
|
|
m.addItem (1, TRANS ("Velocity-sensitive mode"), true, isVelocityBased);
|
|
m.addSeparator();
|
|
|
|
if (isRotary())
|
|
{
|
|
PopupMenu rotaryMenu;
|
|
rotaryMenu.addItem (2, TRANS ("Use circular dragging"), true, style == Rotary);
|
|
rotaryMenu.addItem (3, TRANS ("Use left-right dragging"), true, style == RotaryHorizontalDrag);
|
|
rotaryMenu.addItem (4, TRANS ("Use up-down dragging"), true, style == RotaryVerticalDrag);
|
|
rotaryMenu.addItem (5, TRANS ("Use left-right/up-down dragging"), true, style == RotaryHorizontalVerticalDrag);
|
|
|
|
m.addSubMenu (TRANS ("Rotary mode"), rotaryMenu);
|
|
}
|
|
|
|
m.showMenuAsync (PopupMenu::Options(),
|
|
ModalCallbackFunction::forComponent (sliderMenuCallback, &owner));
|
|
}
|
|
|
|
static void sliderMenuCallback (const int result, Slider* slider)
|
|
{
|
|
if (slider != nullptr)
|
|
{
|
|
switch (result)
|
|
{
|
|
case 1: slider->setVelocityBasedMode (! slider->getVelocityBasedMode()); break;
|
|
case 2: slider->setSliderStyle (Rotary); break;
|
|
case 3: slider->setSliderStyle (RotaryHorizontalDrag); break;
|
|
case 4: slider->setSliderStyle (RotaryVerticalDrag); break;
|
|
case 5: slider->setSliderStyle (RotaryHorizontalVerticalDrag); break;
|
|
default: break;
|
|
}
|
|
}
|
|
}
|
|
|
|
int getThumbIndexAt (const MouseEvent& e)
|
|
{
|
|
const bool isTwoValue = (style == TwoValueHorizontal || style == TwoValueVertical);
|
|
const bool isThreeValue = (style == ThreeValueHorizontal || style == ThreeValueVertical);
|
|
|
|
if (isTwoValue || isThreeValue)
|
|
{
|
|
const float mousePos = (float) (isVertical() ? e.y : e.x);
|
|
|
|
const float normalPosDistance = std::abs (getLinearSliderPos (currentValue.getValue()) - mousePos);
|
|
const float minPosDistance = std::abs (getLinearSliderPos (valueMin.getValue()) - 0.1f - mousePos);
|
|
const float maxPosDistance = std::abs (getLinearSliderPos (valueMax.getValue()) + 0.1f - mousePos);
|
|
|
|
if (isTwoValue)
|
|
return maxPosDistance <= minPosDistance ? 2 : 1;
|
|
|
|
if (normalPosDistance >= minPosDistance && maxPosDistance >= minPosDistance)
|
|
return 1;
|
|
|
|
if (normalPosDistance >= maxPosDistance)
|
|
return 2;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
//==============================================================================
|
|
void handleRotaryDrag (const MouseEvent& e)
|
|
{
|
|
const int dx = e.x - sliderRect.getCentreX();
|
|
const int dy = e.y - sliderRect.getCentreY();
|
|
|
|
if (dx * dx + dy * dy > 25)
|
|
{
|
|
double angle = std::atan2 ((double) dx, (double) -dy);
|
|
while (angle < 0.0)
|
|
angle += double_Pi * 2.0;
|
|
|
|
if (rotaryStop && ! e.mouseWasClicked())
|
|
{
|
|
if (std::abs (angle - lastAngle) > double_Pi)
|
|
{
|
|
if (angle >= lastAngle)
|
|
angle -= double_Pi * 2.0;
|
|
else
|
|
angle += double_Pi * 2.0;
|
|
}
|
|
|
|
if (angle >= lastAngle)
|
|
angle = jmin (angle, (double) jmax (rotaryStart, rotaryEnd));
|
|
else
|
|
angle = jmax (angle, (double) jmin (rotaryStart, rotaryEnd));
|
|
}
|
|
else
|
|
{
|
|
while (angle < rotaryStart)
|
|
angle += double_Pi * 2.0;
|
|
|
|
if (angle > rotaryEnd)
|
|
{
|
|
if (smallestAngleBetween (angle, rotaryStart)
|
|
<= smallestAngleBetween (angle, rotaryEnd))
|
|
angle = rotaryStart;
|
|
else
|
|
angle = rotaryEnd;
|
|
}
|
|
}
|
|
|
|
const double proportion = (angle - rotaryStart) / (rotaryEnd - rotaryStart);
|
|
valueWhenLastDragged = owner.proportionOfLengthToValue (jlimit (0.0, 1.0, proportion));
|
|
lastAngle = angle;
|
|
}
|
|
}
|
|
|
|
void handleAbsoluteDrag (const MouseEvent& e)
|
|
{
|
|
const int mousePos = (isHorizontal() || style == RotaryHorizontalDrag) ? e.x : e.y;
|
|
double newPos = (mousePos - sliderRegionStart) / (double) sliderRegionSize;
|
|
|
|
if (style == RotaryHorizontalDrag
|
|
|| style == RotaryVerticalDrag
|
|
|| style == IncDecButtons
|
|
|| ((style == LinearHorizontal || style == LinearVertical || style == LinearBar || style == LinearBarVertical)
|
|
&& ! snapsToMousePos))
|
|
{
|
|
const int mouseDiff = (style == RotaryHorizontalDrag
|
|
|| style == LinearHorizontal
|
|
|| style == LinearBar
|
|
|| (style == IncDecButtons && incDecDragDirectionIsHorizontal()))
|
|
? e.x - mouseDragStartPos.x
|
|
: mouseDragStartPos.y - e.y;
|
|
|
|
newPos = owner.valueToProportionOfLength (valueOnMouseDown)
|
|
+ mouseDiff * (1.0 / pixelsForFullDragExtent);
|
|
|
|
if (style == IncDecButtons)
|
|
{
|
|
incButton->setState (mouseDiff < 0 ? Button::buttonNormal : Button::buttonDown);
|
|
decButton->setState (mouseDiff > 0 ? Button::buttonNormal : Button::buttonDown);
|
|
}
|
|
}
|
|
else if (style == RotaryHorizontalVerticalDrag)
|
|
{
|
|
const int mouseDiff = (e.x - mouseDragStartPos.x) + (mouseDragStartPos.y - e.y);
|
|
|
|
newPos = owner.valueToProportionOfLength (valueOnMouseDown)
|
|
+ mouseDiff * (1.0 / pixelsForFullDragExtent);
|
|
}
|
|
else
|
|
{
|
|
if (isVertical())
|
|
newPos = 1.0 - newPos;
|
|
}
|
|
|
|
valueWhenLastDragged = owner.proportionOfLengthToValue (jlimit (0.0, 1.0, newPos));
|
|
}
|
|
|
|
void handleVelocityDrag (const MouseEvent& e)
|
|
{
|
|
const int mouseDiff = style == RotaryHorizontalVerticalDrag
|
|
? (e.x - mousePosWhenLastDragged.x) + (mousePosWhenLastDragged.y - e.y)
|
|
: (isHorizontal()
|
|
|| style == RotaryHorizontalDrag
|
|
|| (style == IncDecButtons && incDecDragDirectionIsHorizontal()))
|
|
? e.x - mousePosWhenLastDragged.x
|
|
: e.y - mousePosWhenLastDragged.y;
|
|
|
|
const double maxSpeed = jmax (200, sliderRegionSize);
|
|
double speed = jlimit (0.0, maxSpeed, (double) abs (mouseDiff));
|
|
|
|
if (speed != 0)
|
|
{
|
|
speed = 0.2 * velocityModeSensitivity
|
|
* (1.0 + std::sin (double_Pi * (1.5 + jmin (0.5, velocityModeOffset
|
|
+ jmax (0.0, (double) (speed - velocityModeThreshold))
|
|
/ maxSpeed))));
|
|
|
|
if (mouseDiff < 0)
|
|
speed = -speed;
|
|
|
|
if (isVertical() || style == RotaryVerticalDrag
|
|
|| (style == IncDecButtons && ! incDecDragDirectionIsHorizontal()))
|
|
speed = -speed;
|
|
|
|
const double currentPos = owner.valueToProportionOfLength (valueWhenLastDragged);
|
|
|
|
valueWhenLastDragged = owner.proportionOfLengthToValue (jlimit (0.0, 1.0, currentPos + speed));
|
|
|
|
e.source.enableUnboundedMouseMovement (true, false);
|
|
}
|
|
}
|
|
|
|
void mouseDown (const MouseEvent& e)
|
|
{
|
|
incDecDragged = false;
|
|
useDragEvents = false;
|
|
mouseDragStartPos = mousePosWhenLastDragged = e.getPosition();
|
|
currentDrag = nullptr;
|
|
|
|
if (owner.isEnabled())
|
|
{
|
|
if (e.mods.isPopupMenu() && menuEnabled)
|
|
{
|
|
showPopupMenu();
|
|
}
|
|
else if (canDoubleClickToValue() && e.mods.isAltDown())
|
|
{
|
|
mouseDoubleClick();
|
|
}
|
|
else if (maximum > minimum)
|
|
{
|
|
useDragEvents = true;
|
|
|
|
if (valueBox != nullptr)
|
|
valueBox->hideEditor (true);
|
|
|
|
sliderBeingDragged = getThumbIndexAt (e);
|
|
|
|
minMaxDiff = (double) valueMax.getValue() - (double) valueMin.getValue();
|
|
|
|
lastAngle = rotaryStart + (rotaryEnd - rotaryStart)
|
|
* owner.valueToProportionOfLength (currentValue.getValue());
|
|
|
|
valueWhenLastDragged = (sliderBeingDragged == 2 ? valueMax
|
|
: (sliderBeingDragged == 1 ? valueMin
|
|
: currentValue)).getValue();
|
|
valueOnMouseDown = valueWhenLastDragged;
|
|
|
|
if (popupDisplayEnabled)
|
|
{
|
|
PopupDisplayComponent* const popup = new PopupDisplayComponent (owner);
|
|
popupDisplay = popup;
|
|
|
|
if (parentForPopupDisplay != nullptr)
|
|
parentForPopupDisplay->addChildComponent (popup);
|
|
else
|
|
popup->addToDesktop (0);
|
|
|
|
popup->setVisible (true);
|
|
}
|
|
|
|
currentDrag = new DragInProgress (*this);
|
|
mouseDrag (e);
|
|
}
|
|
}
|
|
}
|
|
|
|
void mouseDrag (const MouseEvent& e)
|
|
{
|
|
if (useDragEvents && maximum > minimum
|
|
&& ! ((style == LinearBar || style == LinearBarVertical)
|
|
&& e.mouseWasClicked() && valueBox != nullptr && valueBox->isEditable()))
|
|
{
|
|
if (style == Rotary)
|
|
{
|
|
handleRotaryDrag (e);
|
|
}
|
|
else
|
|
{
|
|
if (style == IncDecButtons && ! incDecDragged)
|
|
{
|
|
if (e.getDistanceFromDragStart() < 10 || e.mouseWasClicked())
|
|
return;
|
|
|
|
incDecDragged = true;
|
|
mouseDragStartPos = e.getPosition();
|
|
}
|
|
|
|
if (isAbsoluteDragMode (e.mods) || (maximum - minimum) / sliderRegionSize < interval)
|
|
handleAbsoluteDrag (e);
|
|
else
|
|
handleVelocityDrag (e);
|
|
}
|
|
|
|
valueWhenLastDragged = jlimit (minimum, maximum, valueWhenLastDragged);
|
|
|
|
if (sliderBeingDragged == 0)
|
|
{
|
|
setValue (owner.snapValue (valueWhenLastDragged, true),
|
|
sendChangeOnlyOnRelease ? dontSendNotification : sendNotificationSync);
|
|
}
|
|
else if (sliderBeingDragged == 1)
|
|
{
|
|
setMinValue (owner.snapValue (valueWhenLastDragged, true),
|
|
sendChangeOnlyOnRelease ? dontSendNotification : sendNotificationAsync, true);
|
|
|
|
if (e.mods.isShiftDown())
|
|
setMaxValue (getMinValue() + minMaxDiff, dontSendNotification, true);
|
|
else
|
|
minMaxDiff = (double) valueMax.getValue() - (double) valueMin.getValue();
|
|
}
|
|
else if (sliderBeingDragged == 2)
|
|
{
|
|
setMaxValue (owner.snapValue (valueWhenLastDragged, true),
|
|
sendChangeOnlyOnRelease ? dontSendNotification : sendNotificationAsync, true);
|
|
|
|
if (e.mods.isShiftDown())
|
|
setMinValue (getMaxValue() - minMaxDiff, dontSendNotification, true);
|
|
else
|
|
minMaxDiff = (double) valueMax.getValue() - (double) valueMin.getValue();
|
|
}
|
|
|
|
mousePosWhenLastDragged = e.getPosition();
|
|
}
|
|
}
|
|
|
|
void mouseUp()
|
|
{
|
|
if (owner.isEnabled()
|
|
&& useDragEvents
|
|
&& (maximum > minimum)
|
|
&& (style != IncDecButtons || incDecDragged))
|
|
{
|
|
restoreMouseIfHidden();
|
|
|
|
if (sendChangeOnlyOnRelease && valueOnMouseDown != (double) currentValue.getValue())
|
|
triggerChangeMessage (sendNotificationAsync);
|
|
|
|
currentDrag = nullptr;
|
|
popupDisplay = nullptr;
|
|
|
|
if (style == IncDecButtons)
|
|
{
|
|
incButton->setState (Button::buttonNormal);
|
|
decButton->setState (Button::buttonNormal);
|
|
}
|
|
}
|
|
else if (popupDisplay != nullptr)
|
|
{
|
|
popupDisplay->startTimer (2000);
|
|
}
|
|
|
|
currentDrag = nullptr;
|
|
}
|
|
|
|
bool canDoubleClickToValue() const
|
|
{
|
|
return doubleClickToValue
|
|
&& style != IncDecButtons
|
|
&& minimum <= doubleClickReturnValue
|
|
&& maximum >= doubleClickReturnValue;
|
|
}
|
|
|
|
void mouseDoubleClick()
|
|
{
|
|
if (canDoubleClickToValue())
|
|
{
|
|
DragInProgress drag (*this);
|
|
setValue (doubleClickReturnValue, sendNotificationSync);
|
|
}
|
|
}
|
|
|
|
bool mouseWheelMove (const MouseEvent& e, const MouseWheelDetails& wheel)
|
|
{
|
|
if (scrollWheelEnabled
|
|
&& style != TwoValueHorizontal
|
|
&& style != TwoValueVertical)
|
|
{
|
|
if (maximum > minimum && ! e.mods.isAnyMouseButtonDown())
|
|
{
|
|
if (valueBox != nullptr)
|
|
valueBox->hideEditor (false);
|
|
|
|
const double value = (double) currentValue.getValue();
|
|
const double proportionDelta = (wheel.deltaX != 0 ? -wheel.deltaX : wheel.deltaY)
|
|
* (wheel.isReversed ? -0.15f : 0.15f);
|
|
const double currentPos = owner.valueToProportionOfLength (value);
|
|
const double newValue = owner.proportionOfLengthToValue (jlimit (0.0, 1.0, currentPos + proportionDelta));
|
|
|
|
double delta = (newValue != value) ? jmax (std::abs (newValue - value), interval) : 0;
|
|
if (value > newValue)
|
|
delta = -delta;
|
|
|
|
DragInProgress drag (*this);
|
|
setValue (owner.snapValue (value + delta, false), sendNotificationSync);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void modifierKeysChanged (const ModifierKeys& modifiers)
|
|
{
|
|
if (style != IncDecButtons && style != Rotary && isAbsoluteDragMode (modifiers))
|
|
restoreMouseIfHidden();
|
|
}
|
|
|
|
bool isAbsoluteDragMode (ModifierKeys mods) const
|
|
{
|
|
return isVelocityBased == (userKeyOverridesVelocity
|
|
&& mods.testFlags (ModifierKeys::ctrlAltCommandModifiers));
|
|
}
|
|
|
|
void restoreMouseIfHidden()
|
|
{
|
|
const Array<MouseInputSource>& mouseSources = Desktop::getInstance().getMouseSources();
|
|
|
|
for (MouseInputSource* mi = mouseSources.begin(), * const e = mouseSources.end(); mi != e; ++mi)
|
|
{
|
|
if (mi->isUnboundedMouseMovementEnabled())
|
|
{
|
|
mi->enableUnboundedMouseMovement (false);
|
|
|
|
const double pos = sliderBeingDragged == 2 ? getMaxValue()
|
|
: (sliderBeingDragged == 1 ? getMinValue()
|
|
: (double) currentValue.getValue());
|
|
Point<int> mousePos;
|
|
|
|
if (isRotary())
|
|
{
|
|
mousePos = mi->getLastMouseDownPosition();
|
|
|
|
const int delta = roundToInt (pixelsForFullDragExtent * (owner.valueToProportionOfLength (valueOnMouseDown)
|
|
- owner.valueToProportionOfLength (pos)));
|
|
|
|
if (style == RotaryHorizontalDrag) mousePos += Point<int> (-delta, 0);
|
|
else if (style == RotaryVerticalDrag) mousePos += Point<int> (0, delta);
|
|
else mousePos += Point<int> (delta / -2, delta / 2);
|
|
|
|
mousePos = owner.getScreenBounds().reduced (4).getConstrainedPoint (mousePos);
|
|
mouseDragStartPos = mousePosWhenLastDragged = owner.getLocalPoint (nullptr, mousePos);
|
|
valueOnMouseDown = valueWhenLastDragged;
|
|
}
|
|
else
|
|
{
|
|
const int pixelPos = (int) getLinearSliderPos (pos);
|
|
|
|
mousePos = owner.localPointToGlobal (Point<int> (isHorizontal() ? pixelPos : (owner.getWidth() / 2),
|
|
isVertical() ? pixelPos : (owner.getHeight() / 2)));
|
|
}
|
|
|
|
mi->setScreenPosition (mousePos);
|
|
}
|
|
}
|
|
}
|
|
|
|
//==============================================================================
|
|
void paint (Graphics& g, LookAndFeel& lf)
|
|
{
|
|
if (style != IncDecButtons)
|
|
{
|
|
if (isRotary())
|
|
{
|
|
const float sliderPos = (float) owner.valueToProportionOfLength (lastCurrentValue);
|
|
jassert (sliderPos >= 0 && sliderPos <= 1.0f);
|
|
|
|
lf.drawRotarySlider (g,
|
|
sliderRect.getX(), sliderRect.getY(),
|
|
sliderRect.getWidth(), sliderRect.getHeight(),
|
|
sliderPos, rotaryStart, rotaryEnd, owner);
|
|
}
|
|
else
|
|
{
|
|
lf.drawLinearSlider (g,
|
|
sliderRect.getX(), sliderRect.getY(),
|
|
sliderRect.getWidth(), sliderRect.getHeight(),
|
|
getLinearSliderPos (lastCurrentValue),
|
|
getLinearSliderPos (lastValueMin),
|
|
getLinearSliderPos (lastValueMax),
|
|
style, owner);
|
|
}
|
|
|
|
if ((style == LinearBar || style == LinearBarVertical) && valueBox == nullptr)
|
|
{
|
|
g.setColour (owner.findColour (Slider::textBoxOutlineColourId));
|
|
g.drawRect (0, 0, owner.getWidth(), owner.getHeight(), 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
void resized (const Rectangle<int>& localBounds, LookAndFeel& lf)
|
|
{
|
|
int minXSpace = 0;
|
|
int minYSpace = 0;
|
|
|
|
if (textBoxPos == TextBoxLeft || textBoxPos == TextBoxRight)
|
|
minXSpace = 30;
|
|
else
|
|
minYSpace = 15;
|
|
|
|
const int tbw = jmax (0, jmin (textBoxWidth, localBounds.getWidth() - minXSpace));
|
|
const int tbh = jmax (0, jmin (textBoxHeight, localBounds.getHeight() - minYSpace));
|
|
|
|
if (style == LinearBar || style == LinearBarVertical)
|
|
{
|
|
if (valueBox != nullptr)
|
|
valueBox->setBounds (localBounds);
|
|
}
|
|
else
|
|
{
|
|
if (textBoxPos == NoTextBox)
|
|
{
|
|
sliderRect = localBounds;
|
|
}
|
|
else if (textBoxPos == TextBoxLeft)
|
|
{
|
|
valueBox->setBounds (0, (localBounds.getHeight() - tbh) / 2, tbw, tbh);
|
|
sliderRect.setBounds (tbw, 0, localBounds.getWidth() - tbw, localBounds.getHeight());
|
|
}
|
|
else if (textBoxPos == TextBoxRight)
|
|
{
|
|
valueBox->setBounds (localBounds.getWidth() - tbw, (localBounds.getHeight() - tbh) / 2, tbw, tbh);
|
|
sliderRect.setBounds (0, 0, localBounds.getWidth() - tbw, localBounds.getHeight());
|
|
}
|
|
else if (textBoxPos == TextBoxAbove)
|
|
{
|
|
valueBox->setBounds ((localBounds.getWidth() - tbw) / 2, 0, tbw, tbh);
|
|
sliderRect.setBounds (0, tbh, localBounds.getWidth(), localBounds.getHeight() - tbh);
|
|
}
|
|
else if (textBoxPos == TextBoxBelow)
|
|
{
|
|
valueBox->setBounds ((localBounds.getWidth() - tbw) / 2, localBounds.getHeight() - tbh, tbw, tbh);
|
|
sliderRect.setBounds (0, 0, localBounds.getWidth(), localBounds.getHeight() - tbh);
|
|
}
|
|
}
|
|
|
|
const int indent = lf.getSliderThumbRadius (owner);
|
|
|
|
if (style == LinearBar)
|
|
{
|
|
const int barIndent = 1;
|
|
sliderRegionStart = barIndent;
|
|
sliderRegionSize = localBounds.getWidth() - barIndent * 2;
|
|
|
|
sliderRect.setBounds (sliderRegionStart, barIndent,
|
|
sliderRegionSize, localBounds.getHeight() - barIndent * 2);
|
|
}
|
|
else if (style == LinearBarVertical)
|
|
{
|
|
const int barIndent = 1;
|
|
sliderRegionStart = barIndent;
|
|
sliderRegionSize = localBounds.getHeight() - barIndent * 2;
|
|
|
|
sliderRect.setBounds (barIndent, sliderRegionStart,
|
|
localBounds.getWidth() - barIndent * 2, sliderRegionSize);
|
|
}
|
|
else if (isHorizontal())
|
|
{
|
|
sliderRegionStart = sliderRect.getX() + indent;
|
|
sliderRegionSize = jmax (1, sliderRect.getWidth() - indent * 2);
|
|
|
|
sliderRect.setBounds (sliderRegionStart, sliderRect.getY(),
|
|
sliderRegionSize, sliderRect.getHeight());
|
|
}
|
|
else if (isVertical())
|
|
{
|
|
sliderRegionStart = sliderRect.getY() + indent;
|
|
sliderRegionSize = jmax (1, sliderRect.getHeight() - indent * 2);
|
|
|
|
sliderRect.setBounds (sliderRect.getX(), sliderRegionStart,
|
|
sliderRect.getWidth(), sliderRegionSize);
|
|
}
|
|
else
|
|
{
|
|
sliderRegionStart = 0;
|
|
sliderRegionSize = 100;
|
|
}
|
|
|
|
if (style == IncDecButtons)
|
|
resizeIncDecButtons();
|
|
}
|
|
|
|
void resizeIncDecButtons()
|
|
{
|
|
Rectangle<int> buttonRect (sliderRect);
|
|
|
|
if (textBoxPos == TextBoxLeft || textBoxPos == TextBoxRight)
|
|
buttonRect.expand (-2, 0);
|
|
else
|
|
buttonRect.expand (0, -2);
|
|
|
|
incDecButtonsSideBySide = buttonRect.getWidth() > buttonRect.getHeight();
|
|
|
|
if (incDecButtonsSideBySide)
|
|
{
|
|
decButton->setBounds (buttonRect.removeFromLeft (buttonRect.getWidth() / 2));
|
|
decButton->setConnectedEdges (Button::ConnectedOnRight);
|
|
incButton->setConnectedEdges (Button::ConnectedOnLeft);
|
|
}
|
|
else
|
|
{
|
|
decButton->setBounds (buttonRect.removeFromBottom (buttonRect.getHeight() / 2));
|
|
decButton->setConnectedEdges (Button::ConnectedOnTop);
|
|
incButton->setConnectedEdges (Button::ConnectedOnBottom);
|
|
}
|
|
|
|
incButton->setBounds (buttonRect);
|
|
}
|
|
|
|
//==============================================================================
|
|
Slider& owner;
|
|
SliderStyle style;
|
|
|
|
ListenerList <SliderListener> listeners;
|
|
Value currentValue, valueMin, valueMax;
|
|
double lastCurrentValue, lastValueMin, lastValueMax;
|
|
double minimum, maximum, interval, doubleClickReturnValue;
|
|
double valueWhenLastDragged, valueOnMouseDown, skewFactor, lastAngle;
|
|
double velocityModeSensitivity, velocityModeOffset, minMaxDiff;
|
|
int velocityModeThreshold;
|
|
float rotaryStart, rotaryEnd;
|
|
Point<int> mouseDragStartPos, mousePosWhenLastDragged;
|
|
int sliderRegionStart, sliderRegionSize;
|
|
int sliderBeingDragged;
|
|
int pixelsForFullDragExtent;
|
|
Rectangle<int> sliderRect;
|
|
ScopedPointer<DragInProgress> currentDrag;
|
|
|
|
TextEntryBoxPosition textBoxPos;
|
|
String textSuffix;
|
|
int numDecimalPlaces;
|
|
int textBoxWidth, textBoxHeight;
|
|
IncDecButtonMode incDecButtonMode;
|
|
|
|
bool editableText;
|
|
bool doubleClickToValue;
|
|
bool isVelocityBased;
|
|
bool userKeyOverridesVelocity;
|
|
bool rotaryStop;
|
|
bool incDecButtonsSideBySide;
|
|
bool sendChangeOnlyOnRelease;
|
|
bool popupDisplayEnabled;
|
|
bool menuEnabled;
|
|
bool useDragEvents;
|
|
bool incDecDragged;
|
|
bool scrollWheelEnabled;
|
|
bool snapsToMousePos;
|
|
|
|
ScopedPointer<Label> valueBox;
|
|
ScopedPointer<Button> incButton, decButton;
|
|
|
|
//==============================================================================
|
|
class PopupDisplayComponent : public BubbleComponent,
|
|
public Timer
|
|
{
|
|
public:
|
|
PopupDisplayComponent (Slider& s)
|
|
: owner (s),
|
|
font (s.getLookAndFeel().getSliderPopupFont (s))
|
|
{
|
|
setAlwaysOnTop (true);
|
|
setAllowedPlacement (owner.getLookAndFeel().getSliderPopupPlacement (s));
|
|
}
|
|
|
|
void paintContent (Graphics& g, int w, int h)
|
|
{
|
|
g.setFont (font);
|
|
g.setColour (owner.findColour (TooltipWindow::textColourId, true));
|
|
g.drawFittedText (text, Rectangle<int> (w, h), Justification::centred, 1);
|
|
}
|
|
|
|
void getContentSize (int& w, int& h)
|
|
{
|
|
w = font.getStringWidth (text) + 18;
|
|
h = (int) (font.getHeight() * 1.6f);
|
|
}
|
|
|
|
void updatePosition (const String& newText)
|
|
{
|
|
text = newText;
|
|
BubbleComponent::setPosition (&owner);
|
|
repaint();
|
|
}
|
|
|
|
void timerCallback() override
|
|
{
|
|
owner.pimpl->popupDisplay = nullptr;
|
|
}
|
|
|
|
private:
|
|
Slider& owner;
|
|
Font font;
|
|
String text;
|
|
|
|
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (PopupDisplayComponent)
|
|
};
|
|
|
|
ScopedPointer<PopupDisplayComponent> popupDisplay;
|
|
Component* parentForPopupDisplay;
|
|
|
|
//==============================================================================
|
|
static double smallestAngleBetween (const double a1, const double a2) noexcept
|
|
{
|
|
return jmin (std::abs (a1 - a2),
|
|
std::abs (a1 + double_Pi * 2.0 - a2),
|
|
std::abs (a2 + double_Pi * 2.0 - a1));
|
|
}
|
|
};
|
|
|
|
|
|
//==============================================================================
|
|
Slider::Slider()
|
|
{
|
|
init (LinearHorizontal, TextBoxLeft);
|
|
}
|
|
|
|
Slider::Slider (const String& name) : Component (name)
|
|
{
|
|
init (LinearHorizontal, TextBoxLeft);
|
|
}
|
|
|
|
Slider::Slider (SliderStyle style, TextEntryBoxPosition textBoxPos)
|
|
{
|
|
init (style, textBoxPos);
|
|
}
|
|
|
|
void Slider::init (SliderStyle style, TextEntryBoxPosition textBoxPos)
|
|
{
|
|
setWantsKeyboardFocus (false);
|
|
setRepaintsOnMouseActivity (true);
|
|
|
|
pimpl = new Pimpl (*this, style, textBoxPos);
|
|
|
|
Slider::lookAndFeelChanged();
|
|
updateText();
|
|
|
|
pimpl->registerListeners();
|
|
}
|
|
|
|
Slider::~Slider() {}
|
|
|
|
//==============================================================================
|
|
void Slider::addListener (SliderListener* const listener) { pimpl->listeners.add (listener); }
|
|
void Slider::removeListener (SliderListener* const listener) { pimpl->listeners.remove (listener); }
|
|
|
|
//==============================================================================
|
|
Slider::SliderStyle Slider::getSliderStyle() const noexcept { return pimpl->style; }
|
|
void Slider::setSliderStyle (const SliderStyle newStyle) { pimpl->setSliderStyle (newStyle); }
|
|
|
|
void Slider::setRotaryParameters (const float startAngleRadians, const float endAngleRadians, const bool stopAtEnd)
|
|
{
|
|
pimpl->setRotaryParameters (startAngleRadians, endAngleRadians, stopAtEnd);
|
|
}
|
|
|
|
void Slider::setVelocityBasedMode (bool vb) { pimpl->isVelocityBased = vb; }
|
|
bool Slider::getVelocityBasedMode() const noexcept { return pimpl->isVelocityBased; }
|
|
bool Slider::getVelocityModeIsSwappable() const noexcept { return pimpl->userKeyOverridesVelocity; }
|
|
int Slider::getVelocityThreshold() const noexcept { return pimpl->velocityModeThreshold; }
|
|
double Slider::getVelocitySensitivity() const noexcept { return pimpl->velocityModeSensitivity; }
|
|
double Slider::getVelocityOffset() const noexcept { return pimpl->velocityModeOffset; }
|
|
|
|
void Slider::setVelocityModeParameters (const double sensitivity, const int threshold,
|
|
const double offset, const bool userCanPressKeyToSwapMode)
|
|
{
|
|
jassert (threshold >= 0);
|
|
jassert (sensitivity > 0);
|
|
jassert (offset >= 0);
|
|
|
|
pimpl->setVelocityModeParameters (sensitivity, threshold, offset, userCanPressKeyToSwapMode);
|
|
}
|
|
|
|
double Slider::getSkewFactor() const noexcept { return pimpl->skewFactor; }
|
|
void Slider::setSkewFactor (const double factor) { pimpl->skewFactor = factor; }
|
|
|
|
void Slider::setSkewFactorFromMidPoint (const double sliderValueToShowAtMidPoint)
|
|
{
|
|
pimpl->setSkewFactorFromMidPoint (sliderValueToShowAtMidPoint);
|
|
}
|
|
|
|
int Slider::getMouseDragSensitivity() const noexcept { return pimpl->pixelsForFullDragExtent; }
|
|
|
|
void Slider::setMouseDragSensitivity (const int distanceForFullScaleDrag)
|
|
{
|
|
jassert (distanceForFullScaleDrag > 0);
|
|
|
|
pimpl->pixelsForFullDragExtent = distanceForFullScaleDrag;
|
|
}
|
|
|
|
void Slider::setIncDecButtonsMode (const IncDecButtonMode mode) { pimpl->setIncDecButtonsMode (mode); }
|
|
|
|
Slider::TextEntryBoxPosition Slider::getTextBoxPosition() const noexcept { return pimpl->textBoxPos; }
|
|
int Slider::getTextBoxWidth() const noexcept { return pimpl->textBoxWidth; }
|
|
int Slider::getTextBoxHeight() const noexcept { return pimpl->textBoxHeight; }
|
|
|
|
void Slider::setTextBoxStyle (const TextEntryBoxPosition newPosition, const bool isReadOnly,
|
|
const int textEntryBoxWidth, const int textEntryBoxHeight)
|
|
{
|
|
pimpl->setTextBoxStyle (newPosition, isReadOnly, textEntryBoxWidth, textEntryBoxHeight);
|
|
}
|
|
|
|
bool Slider::isTextBoxEditable() const noexcept { return pimpl->editableText; }
|
|
void Slider::setTextBoxIsEditable (const bool shouldBeEditable) { pimpl->setTextBoxIsEditable (shouldBeEditable); }
|
|
void Slider::showTextBox() { pimpl->showTextBox(); }
|
|
void Slider::hideTextBox (const bool discardCurrentEditorContents) { pimpl->hideTextBox (discardCurrentEditorContents); }
|
|
|
|
void Slider::setChangeNotificationOnlyOnRelease (bool onlyNotifyOnRelease)
|
|
{
|
|
pimpl->sendChangeOnlyOnRelease = onlyNotifyOnRelease;
|
|
}
|
|
|
|
bool Slider::getSliderSnapsToMousePosition() const noexcept { return pimpl->snapsToMousePos; }
|
|
void Slider::setSliderSnapsToMousePosition (const bool shouldSnapToMouse) { pimpl->snapsToMousePos = shouldSnapToMouse; }
|
|
|
|
void Slider::setPopupDisplayEnabled (const bool enabled, Component* const parentComponentToUse)
|
|
{
|
|
pimpl->popupDisplayEnabled = enabled;
|
|
pimpl->parentForPopupDisplay = parentComponentToUse;
|
|
}
|
|
|
|
Component* Slider::getCurrentPopupDisplay() const noexcept { return pimpl->popupDisplay.get(); }
|
|
|
|
//==============================================================================
|
|
void Slider::colourChanged() { lookAndFeelChanged(); }
|
|
void Slider::lookAndFeelChanged() { pimpl->lookAndFeelChanged (getLookAndFeel()); }
|
|
void Slider::enablementChanged() { repaint(); }
|
|
|
|
//==============================================================================
|
|
double Slider::getMaximum() const noexcept { return pimpl->maximum; }
|
|
double Slider::getMinimum() const noexcept { return pimpl->minimum; }
|
|
double Slider::getInterval() const noexcept { return pimpl->interval; }
|
|
|
|
void Slider::setRange (double newMin, double newMax, double newInt)
|
|
{
|
|
pimpl->setRange (newMin, newMax, newInt);
|
|
}
|
|
|
|
Value& Slider::getValueObject() noexcept { return pimpl->currentValue; }
|
|
Value& Slider::getMinValueObject() noexcept { return pimpl->valueMin; }
|
|
Value& Slider::getMaxValueObject() noexcept { return pimpl->valueMax; }
|
|
|
|
double Slider::getValue() const { return pimpl->getValue(); }
|
|
|
|
void Slider::setValue (double newValue, const NotificationType notification)
|
|
{
|
|
pimpl->setValue (newValue, notification);
|
|
}
|
|
|
|
double Slider::getMinValue() const { return pimpl->getMinValue(); }
|
|
double Slider::getMaxValue() const { return pimpl->getMaxValue(); }
|
|
|
|
void Slider::setMinValue (double newValue, const NotificationType notification, bool allowNudgingOfOtherValues)
|
|
{
|
|
pimpl->setMinValue (newValue, notification, allowNudgingOfOtherValues);
|
|
}
|
|
|
|
void Slider::setMaxValue (double newValue, const NotificationType notification, bool allowNudgingOfOtherValues)
|
|
{
|
|
pimpl->setMaxValue (newValue, notification, allowNudgingOfOtherValues);
|
|
}
|
|
|
|
void Slider::setMinAndMaxValues (double newMinValue, double newMaxValue, const NotificationType notification)
|
|
{
|
|
pimpl->setMinAndMaxValues (newMinValue, newMaxValue, notification);
|
|
}
|
|
|
|
void Slider::setDoubleClickReturnValue (bool isDoubleClickEnabled, double valueToSetOnDoubleClick)
|
|
{
|
|
pimpl->doubleClickToValue = isDoubleClickEnabled;
|
|
pimpl->doubleClickReturnValue = valueToSetOnDoubleClick;
|
|
}
|
|
|
|
double Slider::getDoubleClickReturnValue (bool& isEnabledResult) const
|
|
{
|
|
isEnabledResult = pimpl->doubleClickToValue;
|
|
return pimpl->doubleClickReturnValue;
|
|
}
|
|
|
|
void Slider::updateText()
|
|
{
|
|
pimpl->updateText();
|
|
}
|
|
|
|
void Slider::setTextValueSuffix (const String& suffix)
|
|
{
|
|
pimpl->setTextValueSuffix (suffix);
|
|
}
|
|
|
|
String Slider::getTextValueSuffix() const
|
|
{
|
|
return pimpl->textSuffix;
|
|
}
|
|
|
|
String Slider::getTextFromValue (double v)
|
|
{
|
|
if (getNumDecimalPlacesToDisplay() > 0)
|
|
return String (v, getNumDecimalPlacesToDisplay()) + getTextValueSuffix();
|
|
|
|
return String (roundToInt (v)) + getTextValueSuffix();
|
|
}
|
|
|
|
double Slider::getValueFromText (const String& text)
|
|
{
|
|
String t (text.trimStart());
|
|
|
|
if (t.endsWith (getTextValueSuffix()))
|
|
t = t.substring (0, t.length() - getTextValueSuffix().length());
|
|
|
|
while (t.startsWithChar ('+'))
|
|
t = t.substring (1).trimStart();
|
|
|
|
return t.initialSectionContainingOnly ("0123456789.,-")
|
|
.getDoubleValue();
|
|
}
|
|
|
|
double Slider::proportionOfLengthToValue (double proportion)
|
|
{
|
|
const double skew = getSkewFactor();
|
|
|
|
if (skew != 1.0 && proportion > 0.0)
|
|
proportion = exp (log (proportion) / skew);
|
|
|
|
return getMinimum() + (getMaximum() - getMinimum()) * proportion;
|
|
}
|
|
|
|
double Slider::valueToProportionOfLength (double value)
|
|
{
|
|
const double n = (value - getMinimum()) / (getMaximum() - getMinimum());
|
|
const double skew = getSkewFactor();
|
|
|
|
return skew == 1.0 ? n : pow (n, skew);
|
|
}
|
|
|
|
double Slider::snapValue (double attemptedValue, const bool)
|
|
{
|
|
return attemptedValue;
|
|
}
|
|
|
|
int Slider::getNumDecimalPlacesToDisplay() const noexcept { return pimpl->numDecimalPlaces; }
|
|
|
|
//==============================================================================
|
|
int Slider::getThumbBeingDragged() const noexcept { return pimpl->sliderBeingDragged; }
|
|
|
|
void Slider::startedDragging() {}
|
|
void Slider::stoppedDragging() {}
|
|
void Slider::valueChanged() {}
|
|
|
|
//==============================================================================
|
|
void Slider::setPopupMenuEnabled (const bool menuEnabled) { pimpl->menuEnabled = menuEnabled; }
|
|
void Slider::setScrollWheelEnabled (const bool enabled) { pimpl->scrollWheelEnabled = enabled; }
|
|
|
|
bool Slider::isHorizontal() const noexcept { return pimpl->isHorizontal(); }
|
|
bool Slider::isVertical() const noexcept { return pimpl->isVertical(); }
|
|
|
|
float Slider::getPositionOfValue (const double value) { return pimpl->getPositionOfValue (value); }
|
|
|
|
//==============================================================================
|
|
void Slider::paint (Graphics& g) { pimpl->paint (g, getLookAndFeel()); }
|
|
void Slider::resized() { pimpl->resized (getLocalBounds(), getLookAndFeel()); }
|
|
|
|
void Slider::focusOfChildComponentChanged (FocusChangeType) { repaint(); }
|
|
|
|
void Slider::mouseDown (const MouseEvent& e) { pimpl->mouseDown (e); }
|
|
void Slider::mouseUp (const MouseEvent&) { pimpl->mouseUp(); }
|
|
|
|
void Slider::modifierKeysChanged (const ModifierKeys& modifiers)
|
|
{
|
|
if (isEnabled())
|
|
pimpl->modifierKeysChanged (modifiers);
|
|
}
|
|
|
|
void Slider::mouseDrag (const MouseEvent& e)
|
|
{
|
|
if (isEnabled())
|
|
pimpl->mouseDrag (e);
|
|
}
|
|
|
|
void Slider::mouseDoubleClick (const MouseEvent&)
|
|
{
|
|
if (isEnabled())
|
|
pimpl->mouseDoubleClick();
|
|
}
|
|
|
|
void Slider::mouseWheelMove (const MouseEvent& e, const MouseWheelDetails& wheel)
|
|
{
|
|
if (! (isEnabled() && pimpl->mouseWheelMove (e, wheel)))
|
|
Component::mouseWheelMove (e, wheel);
|
|
}
|
|
|