processing4/app/src/processing/app/ui/EditorButton.java at main · processing/processing4 · GitHub

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/* -*- mode: java; c-basic-offset: 2; indent-tabs-mode: nil -*- */

Part of the Processing project - http://processing.org

This program is free software; you can redistribute it and/or modify

it under the terms of the GNU General Public License version 2

as published by the Free Software Foundation.

This program 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.

You should have received a copy of the GNU General Public License

along with this program; if not, write to the Free Software Foundation, Inc.

51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

package processing.app.ui;

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

import processing.app.Mode;

import processing.data.StringDict;

abstract public class EditorButton extends JComponent

implements MouseListener, MouseMotionListener, ActionListener {

static public final int DIM = Toolkit.zoom(36);

/**

* The lowercase short name/path used to load its SVG/PNG image data.

* This will usually be something like /lib/toolbar/run (to pull in

* an icon from the Processing /lib folder) or if it's a relative path,

* it will be sourced from the mode folder.

protected String name;

/** Button's description. */

protected String title;

/** Description of alternate behavior when shift is down. */

protected String titleShift;

/** Description of alternate behavior when alt is down. */

protected String titleAlt;

protected boolean pressed;

protected boolean selected;

protected boolean rollover;

protected boolean shift;

protected Image enabledImage;

protected Image disabledImage;

protected Image selectedImage;

protected Image rolloverImage;

protected Image pressedImage;

protected Image gradient;

protected EditorToolbar toolbar;

public EditorButton(EditorToolbar parent, String name, String title) {

this(parent, name, title, title, title);

}

public EditorButton(EditorToolbar parent, String name,

String title, String titleShift) {

this(parent, name, title, titleShift, title);

}

public EditorButton(EditorToolbar parent, String name,

String title, String titleShift, String titleAlt) {

this.name = name;

this.toolbar = parent;

this.title = title;

this.titleShift = titleShift;

this.titleAlt = titleAlt;

updateTheme();

addMouseListener(this);

addMouseMotionListener(this);

}

protected Image renderImage(String state) {

Mode mode = toolbar.mode;

String xmlOrig = mode.loadString(name + ".svg");

// If no SVG available, load image data from PNG files

if (xmlOrig == null) {

return mode.loadImageX(name + "-" + state);

}

StringDict replacements = new StringDict(new String[][] {

{ "#fff", Theme.get("toolbar.button." + state + ".field") },

{ "#ff5757", Theme.get("toolbar.button." + state + ".glyph") },

{ "silver", Theme.get("toolbar.button." + state + ".stroke") }

});

return Toolkit.svgToImageMult(xmlOrig, DIM, DIM, replacements);

}

public void updateTheme() {

disabledImage = renderImage("disabled");

enabledImage = renderImage("enabled");

selectedImage = renderImage("selected");

pressedImage = renderImage("pressed");

rolloverImage = renderImage("rollover");

if (disabledImage == null) {

disabledImage = enabledImage;

}

if (selectedImage == null) {

selectedImage = enabledImage;

}

if (pressedImage == null) {

pressedImage = enabledImage; // could be selected image

}

if (rolloverImage == null) {

rolloverImage = enabledImage; // could be pressed image

}

@Override

public void paintComponent(Graphics g) {

Image image = enabledImage;

if (!isEnabled()) {

image = disabledImage;

} else if (selected) {

image = selectedImage;

} else if (pressed) {

image = pressedImage;

} else if (rollover) {

image = rolloverImage;

}

Graphics2D g2 = (Graphics2D) g;

g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION,

RenderingHints.VALUE_INTERPOLATION_BICUBIC);

int dim = getSize().width; // width == height

if (gradient != null) {

//g.drawImage(gradient, 0, 0, DIM, DIM, this);

g.drawImage(gradient, 0, 0, dim, dim, this);

}

//g.drawImage(image, 0, 0, DIM, DIM, this);

g.drawImage(image, 0, 0, dim, dim, this);

}

@Override

public void mouseClicked(MouseEvent e) { }

public boolean isShiftDown() {

return shift;

}

@Override

public void mousePressed(MouseEvent e) {

// Using mousePressed() (or mouseReleased()) because mouseClicked()

// won't be fired if the user nudges the mouse while clicking.

// https://github.com/processing/processing/issues/3529

setPressed(true);

shift = e.isShiftDown();

// It looks like ActionEvent expects old-style modifiers,

// so the e.getModifiers() call is actually correct.

// There's an open JDK bug for this, but it remains unresolved:

// https://bugs.openjdk.java.net/browse/JDK-8186024

// Mostly this is only used for shift, but some modes also make use of

// alt as a way to control debug stepping and whatnot. [fry 210813]

// https://github.com/processing/processing4/issues/67

//noinspection deprecation

actionPerformed(new ActionEvent(this, ActionEvent.ACTION_PERFORMED,

null, e.getModifiers()));

}

@Override

public void mouseReleased(MouseEvent e) {

setPressed(false);

}

public void setPressed(boolean pressed) {

if (isEnabled()) {

this.pressed = pressed;

repaint();

}

public void setSelected(boolean selected) {

this.selected = selected;

}

public String getRolloverText(InputEvent e) {

if (e.isShiftDown()) {

return titleShift;

} else if (e.isAltDown()) {

return titleAlt;

}

return title;

}

@Override

public void mouseEntered(MouseEvent e) {

toolbar.setRollover(this, e);

rollover = true;

repaint();

}

@Override

public void mouseExited(MouseEvent e) {

toolbar.setRollover(null, e);

rollover = false;

repaint();

}

@Override

public void mouseDragged(MouseEvent e) { }

@Override

public void mouseMoved(MouseEvent e) { }

abstract public void actionPerformed(ActionEvent e);

@Override

public Dimension getPreferredSize() {

return new Dimension(DIM, DIM);

}

@Override

public Dimension getMinimumSize() {

return getPreferredSize();

}

@Override

public Dimension getMaximumSize() {

return getPreferredSize();

}

processing4/app/src/processing/app/ui/EditorButton.java at main · processing/processing4 · GitHub

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