processing4/app/src/processing/app/ui/EditorStatus.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 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.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.warning.fgcolor"),

Theme.getColor("status.warning.fgcolor")

};

bgColor = new Color[] {

Theme.getColor("status.notice.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);

}

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

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