Arduino/app/EditorButtons.java

405 lines
10 KiB
Java

/* -*- mode: jde; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
Part of the Processing project - http://processing.org
Copyright (c) 2004-05 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;
import java.awt.*;
import java.awt.event.*;
import java.awt.font.*;
import java.awt.geom.*;
import javax.swing.*;
import javax.swing.event.*;
/**
* run/stop/etc buttons for the ide
*/
public class EditorButtons extends JComponent implements MouseInputListener {
static final String title[] = {
"Compile", "Stop", "New", "Open", "Save", "Export"
};
static final int BUTTON_COUNT = title.length;
static final int BUTTON_WIDTH = 27; //Preferences.GRID_SIZE;
static final int BUTTON_HEIGHT = 32; //Preferences.GRID_SIZE;
static final int BUTTON_GAP = 15; //BUTTON_WIDTH / 2;
static final int RUN = 0;
static final int STOP = 1;
static final int NEW = 2;
static final int OPEN = 3;
static final int SAVE = 4;
static final int EXPORT = 5;
static final int INACTIVE = 0;
static final int ROLLOVER = 1;
static final int ACTIVE = 2;
Editor editor;
boolean disableRun;
//Label status;
Image offscreen;
int width, height;
Color bgcolor;
Image buttons;
Image inactive[];
Image rollover[];
Image active[];
int currentRollover;
int currentSelection;
JPopupMenu popup;
int buttonCount;
int state[] = new int[BUTTON_COUNT];
Image stateImage[];
int which[]; // mapping indices to implementation
int x1[], x2[];
int y1, y2;
String status;
Font statusFont;
Color statusColor;
//int statusY;
public EditorButtons(Editor editor) {
this.editor = editor;
buttons = Base.getImage("buttons.gif", this);
buttonCount = 0;
which = new int[BUTTON_COUNT];
//which[buttonCount++] = NOTHING;
which[buttonCount++] = RUN;
which[buttonCount++] = STOP;
which[buttonCount++] = NEW;
which[buttonCount++] = OPEN;
which[buttonCount++] = SAVE;
which[buttonCount++] = EXPORT;
currentRollover = -1;
bgcolor = Preferences.getColor("buttons.bgcolor");
status = "";
statusFont = Preferences.getFont("buttons.status.font");
statusColor = Preferences.getColor("buttons.status.color");
//statusY = (BUTTON_COUNT + 1) * BUTTON_HEIGHT;
addMouseListener(this);
addMouseMotionListener(this);
}
public void paintComponent(Graphics screen) {
if (inactive == null) {
inactive = new Image[BUTTON_COUNT];
rollover = new Image[BUTTON_COUNT];
active = new Image[BUTTON_COUNT];
int IMAGE_SIZE = 33;
for (int i = 0; i < BUTTON_COUNT; i++) {
inactive[i] = createImage(BUTTON_WIDTH, BUTTON_HEIGHT);
Graphics g = inactive[i].getGraphics();
g.drawImage(buttons, -(i*IMAGE_SIZE) - 3, -2*IMAGE_SIZE, null);
rollover[i] = createImage(BUTTON_WIDTH, BUTTON_HEIGHT);
g = rollover[i].getGraphics();
g.drawImage(buttons, -(i*IMAGE_SIZE) - 3, -1*IMAGE_SIZE, null);
active[i] = createImage(BUTTON_WIDTH, BUTTON_HEIGHT);
g = active[i].getGraphics();
g.drawImage(buttons, -(i*IMAGE_SIZE) - 3, -0*IMAGE_SIZE, null);
}
state = new int[buttonCount];
stateImage = new Image[buttonCount];
for (int i = 0; i < buttonCount; i++) {
setState(i, INACTIVE, false);
}
}
Dimension size = size();
if ((offscreen == null) ||
(size.width != width) || (size.height != height)) {
offscreen = createImage(size.width, size.height);
width = size.width;
height = size.height;
y1 = 0;
y2 = BUTTON_HEIGHT;
x1 = new int[buttonCount];
x2 = new int[buttonCount];
int offsetX = 3;
for (int i = 0; i < buttonCount; i++) {
x1[i] = offsetX;
if (i == 2) x1[i] += BUTTON_GAP;
x2[i] = x1[i] + BUTTON_WIDTH;
offsetX = x2[i];
}
}
Graphics g = offscreen.getGraphics();
g.setColor(bgcolor); //getBackground());
g.fillRect(0, 0, width, height);
for (int i = 0; i < buttonCount; i++) {
g.drawImage(stateImage[i], x1[i], y1, null);
}
g.setColor(statusColor);
g.setFont(statusFont);
/*
// if i ever find the guy who wrote the java2d api, i will hurt him.
Graphics2D g2 = (Graphics2D) g;
FontRenderContext frc = g2.getFontRenderContext();
float statusW = (float) statusFont.getStringBounds(status, frc).getWidth();
float statusX = (getSize().width - statusW) / 2;
g2.drawString(status, statusX, statusY);
*/
//int statusY = (BUTTON_HEIGHT + statusFont.getAscent()) / 2;
int statusY = (BUTTON_HEIGHT + g.getFontMetrics().getAscent()) / 2;
g.drawString(status, buttonCount * BUTTON_WIDTH + 2 * BUTTON_GAP, statusY);
screen.drawImage(offscreen, 0, 0, null);
}
public void mouseMoved(MouseEvent e) {
// mouse events before paint();
if (state == null) return;
if (state[OPEN] != INACTIVE) {
// avoid flicker, since there will probably be an update event
setState(OPEN, INACTIVE, false);
}
//System.out.println(e);
//mouseMove(e);
handleMouse(e.getX(), e.getY());
}
public void mouseDragged(MouseEvent e) { }
public void handleMouse(int x, int y) {
if (currentRollover != -1) {
if ((x > x1[currentRollover]) && (y > y1) &&
(x < x2[currentRollover]) && (y < y2)) {
return;
} else {
setState(currentRollover, INACTIVE, true);
messageClear(title[currentRollover]);
currentRollover = -1;
}
}
int sel = findSelection(x, y);
if (sel == -1) return;
if (state[sel] != ACTIVE) {
if (!(disableRun && ((sel == RUN) || (sel == STOP)))) {
setState(sel, ROLLOVER, true);
currentRollover = sel;
}
}
}
private int findSelection(int x, int y) {
// if app loads slowly and cursor is near the buttons
// when it comes up, the app may not have time to load
if ((x1 == null) || (x2 == null)) return -1;
for (int i = 0; i < buttonCount; i++) {
if ((y > y1) && (x > x1[i]) &&
(y < y2) && (x < x2[i])) {
//System.out.println("sel is " + i);
return i;
}
}
return -1;
}
private void setState(int slot, int newState, boolean updateAfter) {
//if (inactive == null) return;
state[slot] = newState;
switch (newState) {
case INACTIVE:
stateImage[slot] = inactive[which[slot]];
break;
case ACTIVE:
stateImage[slot] = active[which[slot]];
break;
case ROLLOVER:
stateImage[slot] = rollover[which[slot]];
message(title[which[slot]]);
break;
}
if (updateAfter) repaint(); // changed for swing from update();
}
public void mouseEntered(MouseEvent e) {
//mouseMove(e);
handleMouse(e.getX(), e.getY());
}
public void mouseExited(MouseEvent e) {
if (state[OPEN] != INACTIVE) {
setState(OPEN, INACTIVE, true);
}
status = "";
handleMouse(e.getX(), e.getY());
}
int wasDown = -1;
public void mousePressed(MouseEvent e) {
int x = e.getX();
int y = e.getY();
int sel = findSelection(x, y);
///if (sel == -1) return false;
if (sel == -1) return;
currentRollover = -1;
currentSelection = sel;
if (!(disableRun && ((sel == RUN) || (sel == STOP)))) {
setState(sel, ACTIVE, true);
}
if (currentSelection == OPEN) {
if (popup == null) {
//popup = new JPopupMenu();
popup = editor.sketchbook.getPopupMenu();
add(popup);
}
//editor.sketchbook.rebuildPopup(popup);
popup.show(this, x, y);
}
}
public void mouseClicked(MouseEvent e) { }
public void mouseReleased(MouseEvent e) {
switch (currentSelection) {
case RUN:
if (!disableRun) {
editor.handleRun(e.isShiftDown());
}
break;
case STOP:
if (!disableRun) {
setState(RUN, INACTIVE, true);
editor.handleStop();
}
break;
case OPEN: setState(OPEN, INACTIVE, true); break;
case NEW: editor.handleNew(e.isShiftDown()); break;
case SAVE: editor.handleSave(); break;
case EXPORT: editor.handleExport(); break;
}
currentSelection = -1;
}
public void disableRun(boolean what) {
disableRun = what;
}
public void clear() { // (int button) {
if (inactive == null) return;
// skip the run button, do the others
for (int i = 1; i < buttonCount; i++) {
setState(i, INACTIVE, false);
}
repaint(); // changed for swing from update();
}
public void run() {
if (inactive == null) return;
clear();
setState(RUN, ACTIVE, true);
}
public void running(boolean yesno) {
setState(RUN, yesno ? ACTIVE : INACTIVE, true);
}
public void clearRun() {
if (inactive == null) return;
setState(RUN, INACTIVE, true);
}
public void message(String msg) {
//status.setText(msg + " "); // don't mind the hack
status = msg;
}
public void messageClear(String msg) {
//if (status.getText().equals(msg + " ")) status.setText(Editor.EMPTY);
if (status.equals(msg)) status = "";
}
public Dimension getPreferredSize() {
return new Dimension((BUTTON_COUNT + 1)*BUTTON_WIDTH, BUTTON_HEIGHT);
//return new Dimension(BUTTON_WIDTH, (BUTTON_COUNT + 1)*BUTTON_HEIGHT);
}
public Dimension getMinimumSize() {
return getPreferredSize();
}
public Dimension getMaximumSize() {
return new Dimension(3000, BUTTON_HEIGHT);
}
}