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JUCE/extras/Introjucer/Source/ComponentEditor/paintelements/jucer_PaintElementText.h

561 lines
17 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.
==============================================================================
*/
#ifndef __JUCER_PAINTELEMENTTEXT_JUCEHEADER__
#define __JUCER_PAINTELEMENTTEXT_JUCEHEADER__
#include "jucer_ColouredElement.h"
#include "../properties/jucer_FontPropertyComponent.h"
#include "../properties/jucer_JustificationProperty.h"
//==============================================================================
class PaintElementText : public ColouredElement
{
public:
PaintElementText (PaintRoutine* pr)
: ColouredElement (pr, "Text", false, false),
text ("Your text goes here"),
font (15.0f),
typefaceName (FontPropertyComponent::getDefaultFont()),
justification (Justification::centred)
{
fillType.colour = Colours::black;
position.rect.setWidth (200);
position.rect.setHeight (30);
}
//==============================================================================
void draw (Graphics& g, const ComponentLayout* layout, const Rectangle<int>& parentArea)
{
fillType.setFillType (g, getDocument(), parentArea);
font = FontPropertyComponent::applyNameToFont (typefaceName, font);
g.setFont (font);
g.drawText (replaceStringTranslations (text, owner->getDocument()),
position.getRectangle (parentArea, layout), justification, true);
}
static String replaceStringTranslations (String s, JucerDocument* document)
{
s = s.replace ("%%getName()%%", document->getComponentName());
s = s.replace ("%%getButtonText()%%", document->getComponentName());
return s;
}
void getEditableProperties (Array<PropertyComponent*>& props)
{
ColouredElement::getEditableProperties (props);
props.add (new TextProperty (this));
props.add (new FontNameProperty (this));
props.add (new FontStyleProperty (this));
props.add (new FontSizeProperty (this));
props.add (new TextJustificationProperty (this));
props.add (new TextToPathProperty (this));
}
void fillInGeneratedCode (GeneratedCode& code, String& paintMethodCode)
{
if (! fillType.isInvisible())
{
String r;
fillType.fillInGeneratedCode (code, paintMethodCode);
String x, y, w, h;
positionToCode (position, code.document->getComponentLayout(), x, y, w, h);
r << "g.setFont ("
<< FontPropertyComponent::getCompleteFontCode (font, typefaceName)
<< ");\ng.drawText ("
<< quotedString (text, code.shouldUseTransMacro())
<< ",\n "
<< x << ", " << y << ", " << w << ", " << h
<< ",\n "
<< CodeHelpers::justificationToCode (justification)
<< ", true);\n\n";
paintMethodCode += r;
}
}
static const char* getTagName() noexcept { return "TEXT"; }
XmlElement* createXml() const
{
XmlElement* e = new XmlElement (getTagName());
position.applyToXml (*e);
addColourAttributes (e);
e->setAttribute ("text", text);
e->setAttribute ("fontname", typefaceName);
e->setAttribute ("fontsize", roundToInt (font.getHeight() * 100.0) / 100.0);
e->setAttribute ("bold", font.isBold());
e->setAttribute ("italic", font.isItalic());
e->setAttribute ("justification", justification.getFlags());
return e;
}
bool loadFromXml (const XmlElement& xml)
{
if (xml.hasTagName (getTagName()))
{
position.restoreFromXml (xml, position);
loadColourAttributes (xml);
text = xml.getStringAttribute ("text", "Hello World");
typefaceName = xml.getStringAttribute ("fontname", FontPropertyComponent::getDefaultFont());
font.setHeight ((float) xml.getDoubleAttribute ("fontsize", 15.0));
font.setBold (xml.getBoolAttribute ("bold", false));
font.setItalic (xml.getBoolAttribute ("italic", false));
justification = Justification (xml.getIntAttribute ("justification", Justification::centred));
return true;
}
jassertfalse;
return false;
}
//==============================================================================
const String& getText() const noexcept { return text; }
class SetTextAction : public PaintElementUndoableAction <PaintElementText>
{
public:
SetTextAction (PaintElementText* const element, const String& newText_)
: PaintElementUndoableAction <PaintElementText> (element),
newText (newText_),
oldText (element->getText())
{
}
bool perform()
{
showCorrectTab();
getElement()->setText (newText, false);
return true;
}
bool undo()
{
showCorrectTab();
getElement()->setText (oldText, false);
return true;
}
private:
String newText, oldText;
};
void setText (const String& t, const bool undoable)
{
if (t != text)
{
if (undoable)
{
perform (new SetTextAction (this, t),
"Change text element text");
}
else
{
text = t;
changed();
}
}
}
//==============================================================================
const Font& getFont() const { return font; }
class SetFontAction : public PaintElementUndoableAction <PaintElementText>
{
public:
SetFontAction (PaintElementText* const element, const Font& newFont_)
: PaintElementUndoableAction <PaintElementText> (element),
newFont (newFont_),
oldFont (element->getFont())
{
}
bool perform()
{
showCorrectTab();
getElement()->setFont (newFont, false);
return true;
}
bool undo()
{
showCorrectTab();
getElement()->setFont (oldFont, false);
return true;
}
private:
Font newFont, oldFont;
};
void setFont (const Font& newFont, const bool undoable)
{
if (font != newFont)
{
if (undoable)
{
perform (new SetFontAction (this, newFont),
"Change text element font");
}
else
{
font = newFont;
changed();
}
}
}
//==============================================================================
class SetTypefaceAction : public PaintElementUndoableAction <PaintElementText>
{
public:
SetTypefaceAction (PaintElementText* const element, const String& newValue_)
: PaintElementUndoableAction <PaintElementText> (element),
newValue (newValue_),
oldValue (element->getTypefaceName())
{
}
bool perform()
{
showCorrectTab();
getElement()->setTypefaceName (newValue, false);
return true;
}
bool undo()
{
showCorrectTab();
getElement()->setTypefaceName (oldValue, false);
return true;
}
private:
String newValue, oldValue;
};
void setTypefaceName (const String& newFontName, const bool undoable)
{
if (undoable)
{
perform (new SetTypefaceAction (this, newFontName),
"Change text element typeface");
}
else
{
typefaceName = newFontName;
changed();
}
}
String getTypefaceName() const noexcept { return typefaceName; }
//==============================================================================
Justification getJustification() const noexcept { return justification; }
class SetJustifyAction : public PaintElementUndoableAction <PaintElementText>
{
public:
SetJustifyAction (PaintElementText* const element, Justification newValue_)
: PaintElementUndoableAction <PaintElementText> (element),
newValue (newValue_),
oldValue (element->getJustification())
{
}
bool perform()
{
showCorrectTab();
getElement()->setJustification (newValue, false);
return true;
}
bool undo()
{
showCorrectTab();
getElement()->setJustification (oldValue, false);
return true;
}
private:
Justification newValue, oldValue;
};
void setJustification (Justification j, const bool undoable)
{
if (justification.getFlags() != j.getFlags())
{
if (undoable)
{
perform (new SetJustifyAction (this, j),
"Change text element justification");
}
else
{
justification = j;
changed();
}
}
}
void convertToPath()
{
font = FontPropertyComponent::applyNameToFont (typefaceName, font);
const Rectangle<int> r (getCurrentAbsoluteBounds());
GlyphArrangement arr;
arr.addCurtailedLineOfText (font, text,
0.0f, 0.0f, (float) r.getWidth(),
true);
arr.justifyGlyphs (0, arr.getNumGlyphs(),
(float) r.getX(), (float) r.getY(),
(float) r.getWidth(), (float) r.getHeight(),
justification);
Path path;
arr.createPath (path);
convertToNewPathElement (path);
}
private:
String text;
Font font;
String typefaceName;
Justification justification;
Array <Justification> justificationTypes;
//==============================================================================
class TextProperty : public TextPropertyComponent,
public ChangeListener
{
public:
TextProperty (PaintElementText* const e)
: TextPropertyComponent ("text", 2048, false),
element (e)
{
element->getDocument()->addChangeListener (this);
}
~TextProperty()
{
element->getDocument()->removeChangeListener (this);
}
void setText (const String& newText) { element->setText (newText, true); }
String getText() const { return element->getText(); }
void changeListenerCallback (ChangeBroadcaster*) { refresh(); }
private:
PaintElementText* const element;
};
//==============================================================================
class FontNameProperty : public FontPropertyComponent,
public ChangeListener
{
public:
FontNameProperty (PaintElementText* const e)
: FontPropertyComponent ("font"),
element (e)
{
element->getDocument()->addChangeListener (this);
}
~FontNameProperty()
{
element->getDocument()->removeChangeListener (this);
}
void setTypefaceName (const String& newFontName) { element->setTypefaceName (newFontName, true); }
String getTypefaceName() const { return element->getTypefaceName(); }
void changeListenerCallback (ChangeBroadcaster*) { refresh(); }
private:
PaintElementText* const element;
};
//==============================================================================
class FontStyleProperty : public ChoicePropertyComponent,
public ChangeListener
{
public:
FontStyleProperty (PaintElementText* const e)
: ChoicePropertyComponent ("style"),
element (e)
{
element->getDocument()->addChangeListener (this);
choices.add ("normal");
choices.add ("bold");
choices.add ("italic");
choices.add ("bold + italic");
}
~FontStyleProperty()
{
element->getDocument()->removeChangeListener (this);
}
void setIndex (int newIndex)
{
Font f (element->getFont());
f.setBold (newIndex == 1 || newIndex == 3);
f.setItalic (newIndex == 2 || newIndex == 3);
element->setFont (f, true);
}
int getIndex() const
{
if (element->getFont().isBold() && element->getFont().isItalic())
return 3;
else if (element->getFont().isBold())
return 1;
else if (element->getFont().isItalic())
return 2;
return 0;
}
void changeListenerCallback (ChangeBroadcaster*) { refresh(); }
private:
PaintElementText* const element;
};
//==============================================================================
class FontSizeProperty : public SliderPropertyComponent,
public ChangeListener
{
public:
FontSizeProperty (PaintElementText* const e)
: SliderPropertyComponent ("size", 1.0, 250.0, 0.1, 0.3),
element (e)
{
element->getDocument()->addChangeListener (this);
}
~FontSizeProperty()
{
element->getDocument()->removeChangeListener (this);
}
void setValue (double newValue)
{
element->getDocument()->getUndoManager().undoCurrentTransactionOnly();
Font f (element->getFont());
f.setHeight ((float) newValue);
element->setFont (f, true);
}
double getValue() const
{
return element->getFont().getHeight();
}
void changeListenerCallback (ChangeBroadcaster*) { refresh(); }
private:
PaintElementText* const element;
};
//==============================================================================
class TextJustificationProperty : public JustificationProperty,
public ChangeListener
{
public:
TextJustificationProperty (PaintElementText* const e)
: JustificationProperty ("layout", false),
element (e)
{
element->getDocument()->addChangeListener (this);
}
~TextJustificationProperty()
{
element->getDocument()->removeChangeListener (this);
}
void setJustification (Justification newJustification)
{
element->setJustification (newJustification, true);
}
Justification getJustification() const
{
return element->getJustification();
}
void changeListenerCallback (ChangeBroadcaster*) { refresh(); }
private:
PaintElementText* const element;
};
//==============================================================================
class TextToPathProperty : public ButtonPropertyComponent
{
public:
TextToPathProperty (PaintElementText* const e)
: ButtonPropertyComponent ("path", false),
element (e)
{
}
void buttonClicked()
{
element->convertToPath();
}
String getButtonText() const
{
return "convert text to a path";
}
private:
PaintElementText* const element;
};
};
#endif // __JUCER_PAINTELEMENTTEXT_JUCEHEADER__