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/* -*- mode: java; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
Part of the Processing project - http://processing.org
Copyright (c) 2012-22 The Processing Foundation
Copyright (c) 2004-12 Ben Fry and Casey Reas
Copyright (c) 2001-04 Massachusetts Institute of Technology
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package processing.app.ui;
import java.awt.AlphaComposite;
import java.awt.Color;
import java.awt.Cursor;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.datatransfer.Clipboard;
import java.awt.datatransfer.StringSelection;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.plaf.basic.BasicSplitPaneDivider;
import javax.swing.plaf.basic.BasicSplitPaneUI;
import processing.app.Platform;
import processing.app.Preferences;
import processing.core.PApplet;
/**
* Panel just below the editing area that contains status messages.
*/
public class EditorStatus extends BasicSplitPaneDivider {
static final int HIGH = Toolkit.zoom(28);
static final int ICON_SIZE = Toolkit.zoom(16);
static final int LEFT_MARGIN = Editor.LEFT_GUTTER;
static final int RIGHT_MARGIN = Toolkit.zoom(20);
Color[] fgColor;
Color[] bgColor;
@SuppressWarnings("hiding")
static public final int ERROR = 1;
static public final int CURSOR_LINE_ERROR = 2;
static public final int WARNING = 3;
static public final int CURSOR_LINE_WARNING = 4;
static public final int NOTICE = 0;
Editor editor;
int mode;
String message = "";
int messageRight;
String url;
static final int NONE = 0;
static final int URL_ROLLOVER = 1;
static final int URL_PRESSED = 2;
static final int COLLAPSE_ROLLOVER = 3;
static final int COLLAPSE_PRESSED = 4;
static final int CLIPBOARD_ROLLOVER = 5;
static final int CLIPBOARD_PRESSED = 6;
int mouseState;
Font font;
FontMetrics metrics;
int ascent;
boolean shiftDown;
ImageIcon[] clipboardIcon;
ImageIcon[] searchIcon;
ImageIcon[] collapseIcon;
ImageIcon[] expandIcon;
float btnEnabledAlpha;
float btnRolloverAlpha;
float btnPressedAlpha;
int urlEnabledAlpha;
int urlRolloverAlpha;
int urlPressedAlpha;
int sizeW, sizeH;
// size of the glyph buttons (width and height are identical)
int buttonEach;
boolean collapsed = false;
boolean indeterminate;
Thread thread;
public EditorStatus(BasicSplitPaneUI ui, Editor editor) {
super(ui);
this.editor = editor;
empty();
updateTheme();
addMouseListener(new MouseAdapter() {
@Override
public void mouseEntered(MouseEvent e) {
updateMouse(e, false);
}
@Override
public void mousePressed(MouseEvent e) {
updateMouse(e, true);
}
@Override
public void mouseReleased(MouseEvent e) {
if (mouseState == URL_PRESSED) {
Platform.openURL(url);
} else if (mouseState == CLIPBOARD_PRESSED) {
if (e.isShiftDown()) {
// open the text in a browser window as a search
final String fmt = Preferences.get("search.format");
Platform.openURL(String.format(fmt, PApplet.urlEncode(message)));
} else {
// copy the text to the clipboard
Clipboard clipboard = getToolkit().getSystemClipboard();
clipboard.setContents(new StringSelection(message), null);
System.out.println("Copied to the clipboard. " +
"Use shift-click to search the web instead.");
}
} else if (mouseState == COLLAPSE_PRESSED) {
setCollapsed(!collapsed);
}
updateMouse(e, false); // no longer pressed
}
@Override
public void mouseExited(MouseEvent e) {
updateMouse(null, false);
}
});
addMouseMotionListener(new MouseMotionListener() {
@Override
public void mouseDragged(MouseEvent e) {
// BasicSplitPaneUI.startDragging gets called even when you click but
// don't drag, so we can't expand the console whenever that gets called
// or the button wouldn't work.
setCollapsed(false);
updateMouse(e, true);
}
@Override
public void mouseMoved(MouseEvent e) {
updateMouse(e, false);
}
});
editor.getTextArea().addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(KeyEvent e) {
if (shiftDown != e.isShiftDown()) {
shiftDown = e.isShiftDown();
repaint();
}
}
@Override
public void keyReleased(KeyEvent e) {
if (shiftDown != e.isShiftDown()) {
shiftDown = e.isShiftDown();
repaint();
}
}
});
}
void setCollapsed(boolean newState) {
if (collapsed != newState) {
collapsed = newState;
editor.footer.setVisible(!newState);
splitPane.resetToPreferredSizes();
}
}
void updateMouse(MouseEvent e, boolean pressed) {
mouseState = NONE;
shiftDown = false;
if (e != null) {
int mouseX = e.getX();
shiftDown = e.isShiftDown();
if (mouseX > sizeW - buttonEach && mouseX < sizeW) {
mouseState = pressed ? COLLAPSE_PRESSED : COLLAPSE_ROLLOVER;
} else if (message != null && !message.isEmpty()) {
if (sizeW - 2 * buttonEach < mouseX) {
mouseState = pressed ? CLIPBOARD_PRESSED : CLIPBOARD_ROLLOVER;
} else if (url != null && mouseX > LEFT_MARGIN && mouseX < messageRight) {
mouseState = pressed ? URL_PRESSED : URL_ROLLOVER;
}
}
}
// only change on the rollover, no need to update on press
switch (mouseState) {
case CLIPBOARD_ROLLOVER:
case URL_ROLLOVER:
setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
break;
case COLLAPSE_ROLLOVER:
setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
break;
case NONE:
setCursor(Cursor.getPredefinedCursor(Cursor.MOVE_CURSOR));
break;
}
repaint();
}
static String findURL(String message) {
String[] m = PApplet.match(message, "http\\S+");
if (m != null) {
return m[0];
}
return null;
}
protected void updateTheme() {
urlEnabledAlpha = 255 * Theme.getInteger("status.url.enabled.alpha") / 100;
urlRolloverAlpha = 255 * Theme.getInteger("status.url.rollover.alpha") / 100;
urlPressedAlpha = 255 * Theme.getInteger("status.url.pressed.alpha") / 100;
String[] stateColors = new String[] {
Theme.get("status.notice.fgcolor"),
Theme.get("status.error.fgcolor"),
Theme.get("status.error.fgcolor"),
Theme.get("status.warning.fgcolor"),
Theme.get("status.warning.fgcolor")
};
clipboardIcon = renderIcons("status/copy-to-clipboard", stateColors);
searchIcon = renderIcons("status/search", stateColors);
collapseIcon = renderIcons("status/console-collapse", stateColors);
expandIcon = renderIcons("status/console-expand", stateColors);
btnEnabledAlpha = Theme.getInteger("status.button.enabled.alpha") / 100f;
btnRolloverAlpha = Theme.getInteger("status.button.rollover.alpha") / 100f;
btnPressedAlpha = Theme.getInteger("status.button.pressed.alpha") / 100f;
fgColor = new Color[] {
Theme.getColor("status.notice.fgcolor"),
Theme.getColor("status.error.fgcolor"),
Theme.getColor("status.error.fgcolor"),
Theme.getColor("status.warning.fgcolor"),
Theme.getColor("status.warning.fgcolor")
};
bgColor = new Color[] {
Theme.getColor("status.notice.bgcolor"),
Theme.getColor("status.error.bgcolor"),
Theme.getColor("status.error.bgcolor"),
Theme.getColor("status.warning.bgcolor"),
Theme.getColor("status.warning.bgcolor")
};
font = Theme.getFont("status.font");
metrics = null;
}
static private ImageIcon[] renderIcons(String path, String[] hexColors) {
int count = hexColors.length;
ImageIcon[] outgoing = new ImageIcon[count];
for (int i = 0; i < count; i++) {
outgoing[i] = Toolkit.renderIcon(path, hexColors[i], ICON_SIZE);
}
return outgoing;
}
public void empty() {
mode = NOTICE;
message = "";
url = null;
repaint();
}
public void message(String message, int mode) {
this.message = message;
this.mode = mode;
url = findURL(message);
repaint();
}
public void notice(String message) {
message(message, NOTICE);
}
public void warning(String message) {
message(message, WARNING);
}
public void error(String message) {
message(message, ERROR);
}
public void startIndeterminate() {
indeterminate = true;
thread = new Thread("Editor Status") {
public void run() {
while (Thread.currentThread() == thread) {
repaint();
try {
Thread.sleep(1000 / 10);
} catch (InterruptedException ignored) { }
}
}
};
thread.start();
}
public void stopIndeterminate() {
indeterminate = false;
thread = null;
repaint();
}
public void paint(Graphics g) {
Toolkit.prepareGraphics(g);
sizeW = getWidth();
sizeH = getHeight();
buttonEach = sizeH;
g.setFont(font);
if (metrics == null) {
metrics = g.getFontMetrics();
ascent = metrics.getAscent();
}
g.setColor(bgColor[mode]);
g.fillRect(0, 0, sizeW, sizeH);
messageRight = LEFT_MARGIN; // needs to be reset (even) if msg null
// https://github.com/processing/processing/issues/3265
if (message != null) {
// font needs to be set each time on osx
g.setFont(font);
// calculate right edge of the text for rollovers (otherwise the pane
// cannot be resized up or down whenever a URL is being displayed)
messageRight += g.getFontMetrics().stringWidth(message);
// set the highlight color on rollover so that the user is
// not surprised to see the web browser open when they click
int alpha = 255;
if (url != null) {
if (mouseState == URL_ROLLOVER) {
alpha = urlRolloverAlpha;
} else if (mouseState == URL_PRESSED) {
alpha = urlPressedAlpha;
} else {
alpha = urlEnabledAlpha;
}
}
if (alpha == 255) {
g.setColor(fgColor[mode]);
} else {
g.setColor(new Color((alpha << 24) | (fgColor[mode].getRGB() & 0xFFFFFF), true));
}
g.drawString(message, LEFT_MARGIN, (sizeH / 2) + (ascent / 4) + 1);
}
if (indeterminate) {
int w = Toolkit.getButtonWidth();
int x = getWidth() - Math.max(RIGHT_MARGIN, (int)(buttonEach * 1.2)) - w;
int y = sizeH / 3;
int h = sizeH / 3;
g.setColor(new Color(0x80000000, true));
g.drawRect(x, y, w, h);
for (int i = 0; i < 10; i++) {
int r = (int) (x + Math.random() * w);
g.drawLine(r, y, r, y+h);
}
} else if (message != null && !message.isEmpty()) {
ImageIcon glyph;
float alpha;
if (shiftDown) {
glyph = searchIcon[mode];
} else {
glyph = clipboardIcon[mode];
}
if (mouseState == CLIPBOARD_ROLLOVER) {
alpha = btnRolloverAlpha;
} else if (mouseState == CLIPBOARD_PRESSED) {
alpha = btnPressedAlpha;
} else {
alpha = btnEnabledAlpha;
}
drawButton(g, 1, glyph, alpha);
g.setFont(font);
}
// draw collapse/expand button
ImageIcon glyph;
float alpha;
if (collapsed) {
glyph = expandIcon[mode];
} else {
glyph = collapseIcon[mode];
}
if (mouseState == COLLAPSE_ROLLOVER) {
alpha = btnRolloverAlpha;
} else if (mouseState == COLLAPSE_PRESSED) {
alpha = btnPressedAlpha;
} else {
alpha = btnEnabledAlpha;
}
drawButton(g, 0, glyph, alpha);
}
/**
* @param pos A zero-based button index with 0 as the rightmost button
*/
//private void drawButton(Graphics g, String symbol, int pos, boolean highlight) {
private void drawButton(Graphics g, int pos, ImageIcon icon, float alpha) {
int left = sizeW - (pos + 1) * buttonEach;
Graphics2D g2 = (Graphics2D) g.create();
g2.setComposite(AlphaComposite.SrcAtop.derive(alpha));
//icon.paintIcon(c, g2, x, y);
icon.paintIcon(this, g2,
left + (buttonEach - icon.getIconWidth()) / 2,
(buttonEach - icon.getIconHeight()) / 2);
g2.dispose();
}
public Dimension getPreferredSize() {
return getMinimumSize();
}
public Dimension getMinimumSize() {
return new Dimension(Toolkit.zoom(300), HIGH);
}
public Dimension getMaximumSize() {
return new Dimension(super.getMaximumSize().width, HIGH);
}
}