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JUCE/extras/Introjucer/Source/ComponentEditor/components/jucer_SliderHandler.h

681 lines
27 KiB
C++

/*
==============================================================================
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 SliderHandler : public ComponentTypeHandler
{
public:
SliderHandler()
: ComponentTypeHandler ("Slider", "Slider", typeid (Slider), 150, 24)
{
registerColour (Slider::backgroundColourId, "background", "bkgcol");
registerColour (Slider::thumbColourId, "thumb", "thumbcol");
registerColour (Slider::trackColourId, "track", "trackcol");
registerColour (Slider::rotarySliderFillColourId, "rotary fill", "rotarysliderfill");
registerColour (Slider::rotarySliderOutlineColourId, "rotary outln", "rotaryslideroutline");
registerColour (Slider::textBoxTextColourId, "textbox text", "textboxtext");
registerColour (Slider::textBoxBackgroundColourId, "textbox bkgd", "textboxbkgd");
registerColour (Slider::textBoxHighlightColourId, "textbox highlt", "textboxhighlight");
registerColour (Slider::textBoxOutlineColourId, "textbox outln", "textboxoutline");
}
Component* createNewComponent (JucerDocument*)
{
return new Slider ("new slider");
}
XmlElement* createXmlFor (Component* comp, const ComponentLayout* layout)
{
XmlElement* e = ComponentTypeHandler::createXmlFor (comp, layout);
Slider* const s = dynamic_cast <Slider*> (comp);
e->setAttribute ("min", s->getMinimum());
e->setAttribute ("max", s->getMaximum());
e->setAttribute ("int", s->getInterval());
e->setAttribute ("style", sliderStyleToString (s->getSliderStyle()));
e->setAttribute ("textBoxPos", textBoxPosToString (s->getTextBoxPosition()));
e->setAttribute ("textBoxEditable", s->isTextBoxEditable());
e->setAttribute ("textBoxWidth", s->getTextBoxWidth());
e->setAttribute ("textBoxHeight", s->getTextBoxHeight());
e->setAttribute ("skewFactor", s->getSkewFactor());
return e;
}
bool restoreFromXml (const XmlElement& xml, Component* comp, const ComponentLayout* layout)
{
if (! ComponentTypeHandler::restoreFromXml (xml, comp, layout))
return false;
Slider* const s = dynamic_cast <Slider*> (comp);
s->setRange (xml.getDoubleAttribute ("min", 0.0),
xml.getDoubleAttribute ("max", 10.0),
xml.getDoubleAttribute ("int", 0.0));
s->setSliderStyle (sliderStringToStyle (xml.getStringAttribute ("style", "LinearHorizontal")));
s->setTextBoxStyle (stringToTextBoxPos (xml.getStringAttribute ("textBoxPos", "TextBoxLeft")),
! xml.getBoolAttribute ("textBoxEditable", true),
xml.getIntAttribute ("textBoxWidth", 80),
xml.getIntAttribute ("textBoxHeight", 20));
s->setSkewFactor (xml.getDoubleAttribute ("skewFactor", 1.0));
return true;
}
String getCreationParameters (GeneratedCode&, Component* component)
{
return quotedString (component->getName(), false);
}
void fillInCreationCode (GeneratedCode& code, Component* component, const String& memberVariableName)
{
ComponentTypeHandler::fillInCreationCode (code, component, memberVariableName);
Slider* const s = dynamic_cast <Slider*> (component);
String r;
r << memberVariableName << "->setRange ("
<< s->getMinimum() << ", " << s->getMaximum() << ", " << s->getInterval()
<< ");\n"
<< memberVariableName << "->setSliderStyle (Slider::"
<< sliderStyleToString (s->getSliderStyle()) << ");\n"
<< memberVariableName << "->setTextBoxStyle (Slider::"
<< textBoxPosToString (s->getTextBoxPosition())
<< ", " << CodeHelpers::boolLiteral (! s->isTextBoxEditable())
<< ", " << s->getTextBoxWidth() << ", " << s->getTextBoxHeight() << ");\n"
<< getColourIntialisationCode (component, memberVariableName);
if (needsCallback (component))
r << memberVariableName << "->addListener (this);\n";
if (s->getSkewFactor() != 1.0)
r << memberVariableName << "->setSkewFactor (" << s->getSkewFactor() << ");\n";
r << '\n';
code.constructorCode += r;
}
void fillInGeneratedCode (Component* component, GeneratedCode& code)
{
ComponentTypeHandler::fillInGeneratedCode (component, code);
if (needsCallback (component))
{
String& callback = code.getCallbackCode ("public SliderListener",
"void",
"sliderValueChanged (Slider* sliderThatWasMoved)",
true);
if (callback.isNotEmpty())
callback << "else ";
const String memberVariableName (code.document->getComponentLayout()->getComponentMemberVariableName (component));
const String userCodeComment ("UserSliderCode_" + memberVariableName);
callback
<< "if (sliderThatWasMoved == " << memberVariableName
<< ")\n{\n //[" << userCodeComment << "] -- add your slider handling code here..\n //[/" << userCodeComment << "]\n}\n";
}
}
void getEditableProperties (Component* component, JucerDocument& document, Array<PropertyComponent*>& props)
{
ComponentTypeHandler::getEditableProperties (component, document, props);
Slider* s = dynamic_cast <Slider*> (component);
jassert (s != 0);
props.add (new SliderRangeProperty (s, document, "minimum", 0));
props.add (new SliderRangeProperty (s, document, "maximum", 1));
props.add (new SliderRangeProperty (s, document, "interval", 2));
props.add (new SliderTypeProperty (s, document));
props.add (new SliderTextboxProperty (s, document));
props.add (new SliderTextboxEditableProperty (s, document));
props.add (new SliderTextboxSizeProperty (s, document, true));
props.add (new SliderTextboxSizeProperty (s, document, false));
props.add (new SliderSkewProperty (s, document));
addColourProperties (component, document, props);
}
static bool needsCallback (Component*)
{
return true; //xxx should be a property
}
private:
//==============================================================================
class SliderTypeProperty : public ComponentChoiceProperty <Slider>
{
public:
SliderTypeProperty (Slider* slider, JucerDocument& doc)
: ComponentChoiceProperty <Slider> ("type", slider, doc)
{
choices.add ("Linear Horizontal");
choices.add ("Linear Vertical");
choices.add ("Linear Bar");
choices.add ("Rotary");
choices.add ("Rotary HorizontalDrag");
choices.add ("Rotary VerticalDrag");
choices.add ("Rotary HorizontalVerticalDrag");
choices.add ("Inc/Dec Buttons");
choices.add ("Two Value Horizontal");
choices.add ("Two Value Vertical");
choices.add ("Three Value Horizontal");
choices.add ("Three Value Vertical");
}
void setIndex (int newIndex)
{
const Slider::SliderStyle types[] = { Slider::LinearHorizontal,
Slider::LinearVertical,
Slider::LinearBar,
Slider::Rotary,
Slider::RotaryHorizontalDrag,
Slider::RotaryVerticalDrag,
Slider::RotaryHorizontalVerticalDrag,
Slider::IncDecButtons,
Slider::TwoValueHorizontal,
Slider::TwoValueVertical,
Slider::ThreeValueHorizontal,
Slider::ThreeValueVertical };
if (newIndex >= 0 && newIndex < numElementsInArray (types))
{
document.perform (new SliderTypeChangeAction (component, *document.getComponentLayout(), types [newIndex]),
"Change Slider style");
}
}
int getIndex() const
{
const Slider::SliderStyle types[] = { Slider::LinearHorizontal,
Slider::LinearVertical,
Slider::LinearBar,
Slider::Rotary,
Slider::RotaryHorizontalDrag,
Slider::RotaryVerticalDrag,
Slider::RotaryHorizontalVerticalDrag,
Slider::IncDecButtons,
Slider::TwoValueHorizontal,
Slider::TwoValueVertical,
Slider::ThreeValueHorizontal,
Slider::ThreeValueVertical };
for (int i = 0; i < numElementsInArray (types); ++i)
if (types [i] == dynamic_cast <Slider*> (component)->getSliderStyle())
return i;
return -1;
}
private:
class SliderTypeChangeAction : public ComponentUndoableAction <Slider>
{
public:
SliderTypeChangeAction (Slider* const comp, ComponentLayout& l, const Slider::SliderStyle newState_)
: ComponentUndoableAction <Slider> (comp, l),
newState (newState_)
{
oldState = comp->getSliderStyle();
}
bool perform()
{
showCorrectTab();
getComponent()->setSliderStyle (newState);
changed();
return true;
}
bool undo()
{
showCorrectTab();
getComponent()->setSliderStyle (oldState);
changed();
return true;
}
Slider::SliderStyle newState, oldState;
};
};
//==============================================================================
class SliderTextboxProperty : public ComponentChoiceProperty <Slider>
{
public:
SliderTextboxProperty (Slider* slider, JucerDocument& doc)
: ComponentChoiceProperty <Slider> ("text position", slider, doc)
{
choices.add ("No text box");
choices.add ("Text box on left");
choices.add ("Text box on right");
choices.add ("Text box above");
choices.add ("Text box below");
}
void setIndex (int newIndex)
{
const Slider::TextEntryBoxPosition types[] = { Slider::NoTextBox,
Slider::TextBoxLeft,
Slider::TextBoxRight,
Slider::TextBoxAbove,
Slider::TextBoxBelow };
if (newIndex >= 0 && newIndex < numElementsInArray (types))
{
document.perform (new SliderTextBoxChangeAction (component, *document.getComponentLayout(), types [newIndex]),
"Change Slider textbox");
}
}
int getIndex() const
{
const Slider::TextEntryBoxPosition types[] = { Slider::NoTextBox,
Slider::TextBoxLeft,
Slider::TextBoxRight,
Slider::TextBoxAbove,
Slider::TextBoxBelow };
for (int i = 0; i < numElementsInArray (types); ++i)
if (types [i] == component->getTextBoxPosition())
return i;
return -1;
}
private:
class SliderTextBoxChangeAction : public ComponentUndoableAction <Slider>
{
public:
SliderTextBoxChangeAction (Slider* const comp, ComponentLayout& l, const Slider::TextEntryBoxPosition newState_)
: ComponentUndoableAction <Slider> (comp, l),
newState (newState_)
{
oldState = comp->getTextBoxPosition();
}
bool perform()
{
showCorrectTab();
getComponent()->setTextBoxStyle (newState,
! getComponent()->isTextBoxEditable(),
getComponent()->getTextBoxWidth(),
getComponent()->getTextBoxHeight());
changed();
return true;
}
bool undo()
{
showCorrectTab();
getComponent()->setTextBoxStyle (oldState,
! getComponent()->isTextBoxEditable(),
getComponent()->getTextBoxWidth(),
getComponent()->getTextBoxHeight());
changed();
return true;
}
Slider::TextEntryBoxPosition newState, oldState;
};
};
//==============================================================================
class SliderTextboxEditableProperty : public ComponentBooleanProperty <Slider>
{
public:
SliderTextboxEditableProperty (Slider* slider, JucerDocument& doc)
: ComponentBooleanProperty <Slider> ("text box mode", "Editable", "Editable", slider, doc)
{
}
void setState (bool newState)
{
document.perform (new SliderEditableChangeAction (component, *document.getComponentLayout(), newState),
"Change Slider editability");
}
bool getState() const
{
return component->isTextBoxEditable();
}
private:
class SliderEditableChangeAction : public ComponentUndoableAction <Slider>
{
public:
SliderEditableChangeAction (Slider* const comp, ComponentLayout& l, const bool newState_)
: ComponentUndoableAction <Slider> (comp, l),
newState (newState_)
{
oldState = comp->isTextBoxEditable();
}
bool perform()
{
showCorrectTab();
getComponent()->setTextBoxIsEditable (newState);
changed();
return true;
}
bool undo()
{
showCorrectTab();
getComponent()->setTextBoxIsEditable (oldState);
changed();
return true;
}
bool newState, oldState;
};
};
//==============================================================================
class SliderTextboxSizeProperty : public ComponentTextProperty <Slider>
{
public:
SliderTextboxSizeProperty (Slider* slider, JucerDocument& doc, const bool isWidth_)
: ComponentTextProperty <Slider> (isWidth_ ? "text box width" : "text box height",
12, false, slider, doc),
isWidth (isWidth_)
{
}
void setText (const String& newText)
{
document.perform (new SliderBoxSizeChangeAction (component, *document.getComponentLayout(), isWidth, newText.getIntValue()),
"Change Slider textbox size");
}
String getText() const
{
return String (isWidth ? component->getTextBoxWidth()
: component->getTextBoxHeight());
}
private:
const bool isWidth;
class SliderBoxSizeChangeAction : public ComponentUndoableAction <Slider>
{
public:
SliderBoxSizeChangeAction (Slider* const comp, ComponentLayout& l, const bool isWidth_, int newSize_)
: ComponentUndoableAction <Slider> (comp, l),
isWidth (isWidth_),
newSize (newSize_)
{
oldSize = isWidth ? comp->getTextBoxWidth()
: comp->getTextBoxHeight();
}
bool perform()
{
showCorrectTab();
Slider& c = *getComponent();
if (isWidth)
c.setTextBoxStyle (c.getTextBoxPosition(),
! c.isTextBoxEditable(),
newSize,
c.getTextBoxHeight());
else
c.setTextBoxStyle (c.getTextBoxPosition(),
! c.isTextBoxEditable(),
c.getTextBoxWidth(),
newSize);
changed();
return true;
}
bool undo()
{
showCorrectTab();
Slider& c = *getComponent();
if (isWidth)
c.setTextBoxStyle (c.getTextBoxPosition(),
! c.isTextBoxEditable(),
oldSize,
c.getTextBoxHeight());
else
c.setTextBoxStyle (c.getTextBoxPosition(),
! c.isTextBoxEditable(),
c.getTextBoxWidth(),
oldSize);
changed();
return true;
}
bool isWidth;
int newSize, oldSize;
};
};
//==============================================================================
class SliderRangeProperty : public ComponentTextProperty <Slider>
{
public:
SliderRangeProperty (Slider* slider, JucerDocument& doc,
const String& name, const int rangeParam_)
: ComponentTextProperty <Slider> (name, 15, false, slider, doc),
rangeParam (rangeParam_)
{
}
void setText (const String& newText)
{
double state [3];
state [0] = component->getMinimum();
state [1] = component->getMaximum();
state [2] = component->getInterval();
state [rangeParam] = newText.getDoubleValue();
document.perform (new SliderRangeChangeAction (component, *document.getComponentLayout(), state),
"Change Slider range");
}
String getText() const
{
Slider* s = dynamic_cast <Slider*> (component);
jassert (s != nullptr);
switch (rangeParam)
{
case 0: return String (s->getMinimum());
case 1: return String (s->getMaximum());
case 2: return String (s->getInterval());
default: jassertfalse; break;
}
return String::empty;
}
private:
const int rangeParam;
class SliderRangeChangeAction : public ComponentUndoableAction <Slider>
{
public:
SliderRangeChangeAction (Slider* const comp, ComponentLayout& l, const double newState_[3])
: ComponentUndoableAction <Slider> (comp, l)
{
newState [0] = newState_ [0];
newState [1] = newState_ [1];
newState [2] = newState_ [2];
oldState [0] = comp->getMinimum();
oldState [1] = comp->getMaximum();
oldState [2] = comp->getInterval();
}
bool perform()
{
showCorrectTab();
getComponent()->setRange (newState[0], newState[1], newState[2]);
changed();
return true;
}
bool undo()
{
showCorrectTab();
getComponent()->setRange (oldState[0], oldState[1], oldState[2]);
changed();
return true;
}
double newState[3], oldState[3];
};
};
//==============================================================================
class SliderSkewProperty : public ComponentTextProperty <Slider>
{
public:
SliderSkewProperty (Slider* slider, JucerDocument& doc)
: ComponentTextProperty <Slider> ("skew factor", 12, false, slider, doc)
{
}
void setText (const String& newText)
{
const double skew = jlimit (0.001, 1000.0, newText.getDoubleValue());
document.perform (new SliderSkewChangeAction (component, *document.getComponentLayout(), skew),
"Change Slider skew");
}
String getText() const
{
Slider* s = dynamic_cast <Slider*> (component);
jassert (s != 0);
return String (s->getSkewFactor());
}
private:
class SliderSkewChangeAction : public ComponentUndoableAction <Slider>
{
public:
SliderSkewChangeAction (Slider* const comp, ComponentLayout& l, const double newValue_)
: ComponentUndoableAction <Slider> (comp, l)
{
newValue = newValue_;
oldValue = comp->getSkewFactor();
}
bool perform()
{
showCorrectTab();
getComponent()->setSkewFactor (newValue);
changed();
return true;
}
bool undo()
{
showCorrectTab();
getComponent()->setSkewFactor (oldValue);
changed();
return true;
}
double newValue, oldValue;
};
};
//==============================================================================
static String sliderStyleToString (Slider::SliderStyle style)
{
switch (style)
{
case Slider::LinearHorizontal: return "LinearHorizontal";
case Slider::LinearVertical: return "LinearVertical";
case Slider::LinearBar: return "LinearBar";
case Slider::Rotary: return "Rotary";
case Slider::RotaryHorizontalDrag: return "RotaryHorizontalDrag";
case Slider::RotaryVerticalDrag: return "RotaryVerticalDrag";
case Slider::RotaryHorizontalVerticalDrag: return "RotaryHorizontalVerticalDrag";
case Slider::IncDecButtons: return "IncDecButtons";
case Slider::TwoValueHorizontal: return "TwoValueHorizontal";
case Slider::TwoValueVertical: return "TwoValueVertical";
case Slider::ThreeValueHorizontal: return "ThreeValueHorizontal";
case Slider::ThreeValueVertical: return "ThreeValueVertical";
default: jassertfalse; break;
}
return String::empty;
}
static Slider::SliderStyle sliderStringToStyle (const String& s)
{
if (s == "LinearHorizontal") return Slider::LinearHorizontal;
if (s == "LinearVertical") return Slider::LinearVertical;
if (s == "LinearBar") return Slider::LinearBar;
if (s == "Rotary") return Slider::Rotary;
if (s == "RotaryHorizontalDrag") return Slider::RotaryHorizontalDrag;
if (s == "RotaryVerticalDrag") return Slider::RotaryVerticalDrag;
if (s == "RotaryHorizontalVerticalDrag") return Slider::RotaryHorizontalVerticalDrag;
if (s == "IncDecButtons") return Slider::IncDecButtons;
if (s.startsWithIgnoreCase ("TwoValueHoriz")) return Slider::TwoValueHorizontal;
if (s.startsWithIgnoreCase ("TwoValueVert")) return Slider::TwoValueVertical;
if (s.startsWithIgnoreCase ("ThreeValueHoriz")) return Slider::ThreeValueHorizontal;
if (s.startsWithIgnoreCase ("ThreeValueVert")) return Slider::ThreeValueVertical;
jassertfalse;
return Slider::LinearHorizontal;
}
static String textBoxPosToString (const Slider::TextEntryBoxPosition pos)
{
switch (pos)
{
case Slider::NoTextBox: return "NoTextBox";
case Slider::TextBoxLeft: return "TextBoxLeft";
case Slider::TextBoxRight: return "TextBoxRight";
case Slider::TextBoxAbove: return "TextBoxAbove";
case Slider::TextBoxBelow: return "TextBoxBelow";
default: jassertfalse; break;
}
return String::empty;
}
static Slider::TextEntryBoxPosition stringToTextBoxPos (const String& s)
{
if (s == "NoTextBox") return Slider::NoTextBox;
if (s == "TextBoxLeft") return Slider::TextBoxLeft;
if (s == "TextBoxRight") return Slider::TextBoxRight;
if (s == "TextBoxAbove") return Slider::TextBoxAbove;
if (s == "TextBoxBelow") return Slider::TextBoxBelow;
jassertfalse;
return Slider::TextBoxLeft;
}
};