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Introduce input remap support to FreeJ2ME's AWT frontend.
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Even though it doesn't support joypads of any kind yet, being able
to remap keys is useful nonetheless.
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@AShiningRay
AShiningRay committed Nov 3, 2023
1 parent af39942 commit 5758a3d
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Showing 2 changed files with 225 additions and 76 deletions.
187 changes: 183 additions & 4 deletions src/org/recompile/freej2me/AWTGUI.java
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Original file line number Diff line number Diff line change
Expand Up @@ -59,13 +59,72 @@ public final class AWTGUI
final Dialog aboutDialog = new Dialog(main , "About FreeJ2ME", true);
final Dialog memStatDialog = new Dialog(main, "FreeJ2ME MemStat", false);
final Dialog restartRequiredDialog = new Dialog(main, "Restart Required", true);
final Dialog inputMapDialog = new Dialog(main, "Key Mapping", true);

final Button closeAbout = new Button("Close");
final Button applyResChange = new Button("Apply");
final Button cancelResChange = new Button("Cancel");
final Button closeNow = new Button("Close FreeJ2ME");
final Button restartLater = new Button("Restart later");

/* Input mapping keys */
final Button applyInputs = new Button("Apply Inputs");
final Button inputButtons[] = new Button[]
{
new Button("Q"),
new Button("W"),
new Button("Up"),
new Button("Left"),
new Button("Enter"),
new Button("Right"),
new Button("Down"),
new Button("NumPad-7"),
new Button("NumPad-8"),
new Button("NumPad-9"),
new Button("NumPad-4"),
new Button("NumPad-5"),
new Button("NumPad-6"),
new Button("NumPad-1"),
new Button("NumPad=2"),
new Button("NumPad-3"),
new Button("E"),
new Button("NumPad-0"),
new Button("R"),
};

/* Constant fields for key mapping indices (matches the array above) */
static final byte SOFT_LEFT_KEY = 0;
static final byte SOFT_RIGHT_KEY = 1;
static final byte UP_ARROW_KEY = 2;
static final byte LEFT_ARROW_KEY = 3;
static final byte OK_KEY = 4;
static final byte RIGHT_ARROW_KEY = 5;
static final byte DOWN_ARROW_KEY = 6;
static final byte NUMPAD1_KEY = 7;
static final byte NUMPAD2_KEY = 8;
static final byte NUMPAD3_KEY = 9;
static final byte NUMPAD4_KEY = 10;
static final byte NUMPAD5_KEY = 11;
static final byte NUMPAD6_KEY = 12;
static final byte NUMPAD7_KEY = 13;
static final byte NUMPAD8_KEY = 14;
static final byte NUMPAD9_KEY = 15;
static final byte NUMPAD_ASTERISK_KEY = 16;
static final byte NUMPAD0_KEY = 17;
static final byte NUMPAD_POUND_KEY = 18;

/* Array of inputs in order to support input remapping */
int inputKeycodes[] = new int[] {
KeyEvent.VK_Q, KeyEvent.VK_W,
KeyEvent.VK_UP, KeyEvent.VK_LEFT, KeyEvent.VK_ENTER, KeyEvent.VK_RIGHT, KeyEvent.VK_DOWN,
KeyEvent.VK_NUMPAD7, KeyEvent.VK_NUMPAD8, KeyEvent.VK_NUMPAD9,
KeyEvent.VK_NUMPAD4, KeyEvent.VK_NUMPAD5, KeyEvent.VK_NUMPAD6,
KeyEvent.VK_NUMPAD1, KeyEvent.VK_NUMPAD2, KeyEvent.VK_NUMPAD3,
KeyEvent.VK_E, KeyEvent.VK_NUMPAD0, KeyEvent.VK_R
};

private final int newInputKeycodes[] = Arrays.copyOf(inputKeycodes, inputKeycodes.length);

final Choice resChoice = new Choice();
final String[] supportedRes = new String[] {"96x65","96x96","104x80","128x128","132x176","128x160","176x208","176x220",
"208x208", "240x320", "320x240", "240x400", "352x416", "360x640", "640x360" ,"480x800", "800x480"};
Expand All @@ -85,6 +144,7 @@ public final class AWTGUI
final MenuItem closeMenuItem = new MenuItem("Close Jar (Stub)");
final MenuItem scrShot = new MenuItem("Take Screenshot");
final MenuItem exitMenuItem = new MenuItem("Exit FreeJ2ME");
final MenuItem mapInputs = new MenuItem("Manage Inputs");

final CheckboxMenuItem enableAudio = new CheckboxMenuItem("Enable Audio", false);
final CheckboxMenuItem enableRotation = new CheckboxMenuItem("Rotate Screen", false);
Expand Down Expand Up @@ -129,6 +189,7 @@ public AWTGUI(Config config)
cancelResChange.setBackground(Color.yellow);
closeNow.setBackground(Color.green);
restartLater.setBackground(Color.yellow);
applyInputs.setBackground(Color.green);

aboutDialog.setBackground(Color.white);
aboutDialog.setLayout( new FlowLayout(FlowLayout.CENTER, 200, 0));
Expand All @@ -143,6 +204,7 @@ public AWTGUI(Config config)
aboutDialog.add(new Label("Saket Dandawate (hex007)"));
aboutDialog.add(closeAbout);


resDialog.setBackground(Color.white);
resDialog.setLayout( new FlowLayout(FlowLayout.CENTER, 60, 5));
resDialog.setUndecorated(true);
Expand All @@ -165,6 +227,61 @@ public AWTGUI(Config config)
memStatDialog.add(usedMemLabel);
memStatDialog.add(maxMemLabel);

/* Input mapping dialog: It's a grid, so a few tricks had to be employed to align everything up */
inputMapDialog.setBackground(Color.white);
inputMapDialog.setLayout(new GridLayout(0, 3)); /* Get as many rows as needed, as long it still uses only 3 columns */
inputMapDialog.setSize(240, 320);
inputMapDialog.setResizable(false);

inputMapDialog.add(new Label("Map keys by"));
inputMapDialog.add(new Label("clicking each"));
inputMapDialog.add(new Label("button below"));

inputMapDialog.add(new Label(""));
inputMapDialog.add(applyInputs);
inputMapDialog.add(new Label(""));

inputMapDialog.add(new Label("-----------------------"));
inputMapDialog.add(new Label("-----------------------"));
inputMapDialog.add(new Label("-----------------------"));

inputMapDialog.add(inputButtons[0]);
inputMapDialog.add(new Label(""));
inputMapDialog.add(inputButtons[1]);

inputMapDialog.add(new Label(""));
inputMapDialog.add(inputButtons[2]);
inputMapDialog.add(new Label(""));

inputMapDialog.add(inputButtons[3]);
inputMapDialog.add(inputButtons[4]);
inputMapDialog.add(inputButtons[5]);

inputMapDialog.add(new Label(""));
inputMapDialog.add(inputButtons[6]);
inputMapDialog.add(new Label(""));

inputMapDialog.add(new Label(""));
inputMapDialog.add(new Label(""));
inputMapDialog.add(new Label(""));

inputMapDialog.add(inputButtons[7]);
inputMapDialog.add(inputButtons[8]);
inputMapDialog.add(inputButtons[9]);

inputMapDialog.add(inputButtons[10]);
inputMapDialog.add(inputButtons[11]);
inputMapDialog.add(inputButtons[12]);

inputMapDialog.add(inputButtons[13]);
inputMapDialog.add(inputButtons[14]);
inputMapDialog.add(inputButtons[15]);

inputMapDialog.add(inputButtons[16]);
inputMapDialog.add(inputButtons[17]);
inputMapDialog.add(inputButtons[18]);


restartRequiredDialog.setBackground(Color.white);
restartRequiredDialog.setLayout( new FlowLayout(FlowLayout.CENTER, 10, 10));
restartRequiredDialog.setUndecorated(true);
Expand All @@ -185,7 +302,9 @@ public AWTGUI(Config config)
closeAbout.setActionCommand("CloseAboutMenu");
closeNow.setActionCommand("CloseFreeJ2ME");
restartLater.setActionCommand("RestartLater");

mapInputs.setActionCommand("MapInputs");
applyInputs.setActionCommand("ApplyInputs");

openMenuItem.addActionListener(menuItemListener);
closeMenuItem.addActionListener(menuItemListener);
scrShot.addActionListener(menuItemListener);
Expand All @@ -197,12 +316,58 @@ public AWTGUI(Config config)
closeAbout.addActionListener(menuItemListener);
closeNow.addActionListener(menuItemListener);
restartLater.addActionListener(menuItemListener);
mapInputs.addActionListener(menuItemListener);
applyInputs.addActionListener(menuItemListener);

addInputButtonListeners();

setActionListeners();

buildMenuBar();
}

private void addInputButtonListeners()
{
for(int i = 0; i < inputButtons.length; i++)
{
final int buttonIndex = i;

/* Add a focus listener to each input mapping button */
inputButtons[i].addFocusListener(new FocusAdapter()
{
Button focusedButton;
String lastButtonKey = new String("");
boolean keySet = false;

@Override
public void focusGained(FocusEvent e)
{
{
keySet = false;
focusedButton = (Button) e.getComponent();
lastButtonKey = focusedButton.getLabel();
focusedButton.setLabel("Waiting...");

focusedButton.addKeyListener(new KeyAdapter()
{
public void keyPressed(KeyEvent e)
{
focusedButton.setLabel(KeyEvent.getKeyText(e.getKeyCode()));
keySet = true;
/* Save the new key's code into the expected index of newInputKeycodes */
newInputKeycodes[buttonIndex] = e.getKeyCode();
}
});
}
}

/* Only used to restore the last key map if the user doesn't map a new one into the button */
@Override
public void focusLost(FocusEvent e) { if(!keySet) { focusedButton.setLabel(lastButtonKey); } }
});
}
}

private void setActionListeners()
{
enableAudio.addItemListener(new ItemListener()
Expand Down Expand Up @@ -643,6 +808,7 @@ private void buildMenuBar()
optionMenu.add(phoneType);
optionMenu.add(fpsCap);
optionMenu.add(midiPlayerNum);
optionMenu.add(mapInputs);

debugMenu.add(dumpAudioData);
debugMenu.add(dumpGraphicsData);
Expand Down Expand Up @@ -704,10 +870,13 @@ public void updateMemStatDialog()
maxMemLabel.setText(new String("Max Mem : " + (Runtime.getRuntime().maxMemory() / 1024) + " KB"));
}

class UIListener implements ActionListener {
public void actionPerformed(ActionEvent a) {
class UIListener implements ActionListener
{
public void actionPerformed(ActionEvent a)
{

if(a.getActionCommand() == "Open") {
if(a.getActionCommand() == "Open")
{
FileDialog filePicker = new FileDialog(main, "Open JAR File", FileDialog.LOAD);
String filename;
filePicker.setFilenameFilter(new FilenameFilter()
Expand Down Expand Up @@ -765,6 +934,16 @@ else if(a.getActionCommand() == "ApplyResChange")
else if(a.getActionCommand() == "CloseFreeJ2ME") { System.exit(0); }

else if(a.getActionCommand() == "RestartLater") { restartRequiredDialog.setVisible(false); }

else if(a.getActionCommand() == "MapInputs") { inputMapDialog.setLocation(main.getLocation().x, main.getLocation().y); inputMapDialog.setVisible(true); }

/* TODO: Flesh out input mappings apply and file saving (preferably per-game, though a global config could also work great) */
else if(a.getActionCommand() == "ApplyInputs")
{
System.arraycopy(newInputKeycodes, 0, inputKeycodes, 0, inputKeycodes.length);
inputMapDialog.setVisible(false);
}

}
}

Expand Down
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