Interaction KeypressInteractionReader::nextInteraction()
{
while (true)
{
Keypress keypress = keypressReader.nextKeypress();
if (keypress.ctrl())
{
// The user pressed a Ctrl key (e.g., Ctrl+X); react accordingly
switch (keypress.code())
{
case 'X':
return Interaction::quit();
case 'O':
return Interaction::command(new cursorRight);
case 'U':
return Interaction::command(new cursorLeft);
case 'I':
return Interaction::command(new cursorUp);
case 'K':
return Interaction::command(new cursorDown);
case 'J':
return Interaction::command(new newLine);
case 'M':
return Interaction::command(new newLine);
case 'Y':
return Interaction::command(new cursorHome);
case 'P':
return Interaction::command(new cursorEnd);
case 'D':
return Interaction::command(new deleteLine);
case 'H':
return Interaction::command(new backspace);
case 'Z':
return Interaction::undo();
case 'A':
return Interaction::redo();
}
}
else
{
return Interaction::command(new insertChar(keypress.code()));
// The user pressed a normal key (e.g., 'h') without holding
// down Ctrl; react accordingly
}
}
}
Interaction KeypressInteractionReader::nextInteraction()
{
while (true)
{
Keypress keypress = keypressReader.nextKeypress();
if (keypress.ctrl())
{
// The user pressed a Ctrl key (e.g., Ctrl+X); react accordingly
// Command to be put into model as interaction
Command* c;
switch (keypress.code())
{
// QUIT
case 'X':
return Interaction::quit();
// UNDO / REDO
case 'Z':
return Interaction::undo();
case 'A':
return Interaction::redo();
// CURSOR MOVEMENT
case 'O':
c = new CursorRight();
return Interaction::command(c);
case 'U':
c = new CursorLeft();
return Interaction::command(c);
case 'I':
c = new CursorUp();
return Interaction::command(c);
case 'K':
c = new CursorDown();
return Interaction::command(c);
case 'Y':
c = new CursorHome();
return Interaction::command(c);
case 'P':
c = new CursorEnd();
return Interaction::command(c);
// BACKSPACE
case 'H':
c = new Backspace();
return Interaction::command(c);
// NEW LINE INSERT
case 'J':
c = new NewLine();
return Interaction::command(c);
case 'M':
c = new NewLine();
return Interaction::command(c);
// DELETE LINE
case 'D':
c = new DeleteLine();
return Interaction::command(c);
}
}
else
{
// The user pressed a normal key (e.g., 'h') without holding
// down Ctrl; react accordingly
// PRINTABLE KEY
Command* c = new Character(keypress.code());
return Interaction::command(c);
}
}
}
