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working on hokey arrow key stuff

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benfry
2002-09-02 05:12:28 +00:00
parent ff044ba2b1
commit 785efd188e
2 changed files with 78 additions and 5 deletions
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processing/app/PdeEditorConsole.java
+2 -2
View File
@@ -236,8 +236,8 @@ public class PdeEditorConsole extends Component {
scrollDownBottom = sizeH - SCROLL_INSET;
if ((PdeBase.platform == PdeBase.MACOSX) ||
(PdeBase.platform != PdeBase.MACOS9)) {
scrollDownBottom -= 20; // because size boxes intrude
(PdeBase.platform == PdeBase.MACOS9)) {
scrollDownBottom -= 16; // because size boxes intrude
}
scrollDownTop = scrollDownBottom - SCROLL_SIZE;
processing/app/PdeEditorListener.java
+76 -3
View File
@@ -4,17 +4,21 @@ import java.awt.event.*;
public class PdeEditorListener extends KeyAdapter implements FocusListener {
static final String spaces = " ";
String tabString;
String newline = System.getProperty("line.separator");
PdeEditor editor;
boolean expandTabs;
int tabSize;
String tabString;
boolean autoIndent;
boolean balanceParens;
boolean balancing = false;
boolean fakeArrowKeys;
TextArea tc;
int selectionStart, selectionEnd;
int position;
@@ -28,6 +32,8 @@ public class PdeEditorListener extends KeyAdapter implements FocusListener {
tabString = spaces.substring(0, tabSize);
autoIndent = PdeBase.getBoolean("editor.auto_indent", true);
balanceParens = PdeBase.getBoolean("editor.balance_parens", false);
fakeArrowKeys = PdeBase.getBoolean("editor.fake_arrow_keys",
PdeBase.platform == PdeBase.MACOSX);
}
@@ -40,10 +46,10 @@ public class PdeEditorListener extends KeyAdapter implements FocusListener {
tc = (TextArea) event.getSource();
deselect();
char c = event.getKeyChar();
//System.err.println((int) c + " " + event.getKeyCode());
int code = event.getKeyCode();
//System.out.println(event);
if (!editor.sketchModified) {
int code = event.getKeyCode();
if ((code == KeyEvent.VK_BACK_SPACE) || (code == KeyEvent.VK_TAB) ||
(code == KeyEvent.VK_ENTER) || ((c >= 32) && (c < 128))) {
//editor.sketchModified = true;
@@ -51,6 +57,73 @@ public class PdeEditorListener extends KeyAdapter implements FocusListener {
}
}
if (fakeArrowKeys && (c == 65535) &&
(code == KeyEvent.VK_LEFT || code == KeyEvent.VK_RIGHT ||
code == KeyEvent.VK_UP || code == KeyEvent.VK_DOWN)) {
position = tc.getCaretPosition();
switch (code) {
case KeyEvent.VK_LEFT:
tc.setCaretPosition(Math.max(0, position - 1));
break;
case KeyEvent.VK_RIGHT:
tc.setCaretPosition(position + 1);
break;
case KeyEvent.VK_UP:
char contents[] = tc.getText().toCharArray();
for (int i = 0; i < 20; i++) System.out.print((int)contents[i] + " ");
// figure out how far left to the newline
int howfar = 0;
int p = position;
//System.out.println(p);
while ((p > 0) && (contents[p] != 13) && (contents[p] != 10)) {
p--; howfar++;
}
howfar--;
System.out.println("howfar = " + howfar);
// step over the newline
while ((p > 0) && ((contents[p] == 13) || (contents[p] == 10))) {
p--;
}
if (p == 0) return; // nothing above
// look for the next
int howlong = 0;
while ((p > 0) && (contents[p] != 13) && (contents[p] != 10)) {
p--; howlong++;
}
System.out.println("next line is " + howlong);
tc.setCaretPosition(p + 1 + Math.min(howfar, howlong));
break;
case KeyEvent.VK_DOWN:
contents = tc.getText().toCharArray();
// figure out how far left to the newline
howfar = 0;
p = position;
while ((p > 0) && (contents[p] != 13) && (contents[p] != 10)) {
p--; howfar++;
}
// step forward and find the next newline
p = position;
int last = contents.length - 1;
//System.out.println("howfar = " + howfar);
//int howlong = 0;
while ((p < last) && (contents[p] != 13) && (contents[p] != 10))
p++;
if (p == last) return; // nothing below
while ((p < last) && ((contents[p] == 13) || (contents[p] == 10)))
p++;
int newline = p;
// see if enough room on this line
while ((p < last) && (p < newline + howfar-1) &&
(contents[p] != 13) && (contents[p] != 10)) p++;
tc.setCaretPosition(p);
break;
}
}
//System.err.println((int)c);
switch ((int) c) {
case ')':