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Nasal REPL: integrate with Canvas keyboard

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Allows for focusing/unfocusing by clicking on the window or "desktop"
respectively.
This commit is contained in:
Philosopher 2014-11-28 09:29:28 -06:00
parent c0713db911
commit db36387a36
1 changed files with 24 additions and 23 deletions
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47
Nasal/console/repl.nas
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@ -343,15 +343,16 @@ var CanvasPlacement = {
.setColor(m.colors.text)
.hide();
m.repl = REPL.new(placement:m, name:name);
# XXX: keyboard hack, needs proper GUI-integrated design
append(m.listeners, setlistener("/devices/status/keyboard/event", func(event) {
if (!event.getNode("pressed").getValue())
return;
var key = (var keyN = event.getNode("key", 1)).getValue();
if (key == nil or key == -1) return;
if (m.handle_key(key, event.getNode("modifier").getValues()))
keyN.setValue(-1); # drop key event
}));
m.window.addEventListener("keydown", func(event) {
var modifiers = {
"shift":event.shiftKey,
"ctrl":event.ctrlKey,
"alt":event.altKey,
"meta":event.metaKey
};
if (m.handle_key(event.key, modifiers, event.keyCode))
#keyN.setValue(-1); # drop key event
});
m.update();
append(CanvasPlacement.instances, m);
return m;
@ -546,7 +547,7 @@ var CanvasPlacement = {
).show();
me.scroll.update();
},
handle_key: func(key, modifiers) {
handle_key: func(key, modifiers, keyCode) {
var modifier_str = "";
foreach (var m; keys(modifiers)) {
if (modifiers[m])
@ -562,17 +563,17 @@ var CanvasPlacement = {
return 0; # had extra modifiers, reject this event
} elsif (modifiers.ctrl) {
if (key == 13) { # ctrl+c
if (keyCode == `c`) {
printlog(_REPL_dbg_level, "ctrl+c: "~debug.string(me.input));
me.reset_input_from_history();
if( size(me.input) and !clipboard.setText(me.input) )
print("Failed to write to clipboard");
} elsif (key == 24) { # ctrl+x
} elsif (keyCode == `x`) {
printlog(_REPL_dbg_level, "ctrl+x");
me.reset_input_from_history();
if( size(me.input) and !clipboard.setText(me.clear_input()) )
print("Failed to write to clipboard");
} elsif (key == 22) { # ctrl+v
} elsif (keyCode == `v`) {
var input = clipboard.getText();
printlog(_REPL_dbg_level, "ctrl+v: "~debug.string(input));
me.reset_input_from_history();
@ -597,13 +598,13 @@ var CanvasPlacement = {
}
i=j;
}
} elsif (key == 4) { # ctrl-D/EOF
} elsif (keyCode == `d`) { # ctrl-D/EOF
printlog(_REPL_dbg_level, "EOF");
me.del();
return 1;
} else return 0;
} elsif (key == `\n` or key == `\r`) {
} elsif (key == "Enter") {
printlog(_REPL_dbg_level, "return (key: "~key~", shift: "~modifiers.shift~")");
me.reset_input_from_history();
var reset_text = 1;
@ -626,14 +627,14 @@ var CanvasPlacement = {
me.continue_line(reset_text:reset_text);
else me.new_prompt();
} elsif (key == 8) { # backspace
} elsif (key == "Backspace") { # backspace
printlog(_REPL_dbg_level, "back");
me.reset_input_from_history();
if (me.remove_char() == nil) return 1; # nothing happened, since the input
# field was blank, but capture the event
me.completion_pos = -1;
} elsif (key == 357) { # up
} elsif (key == "Up") { # up
printlog(_REPL_dbg_level, "up");
if (me.curr == 0) return 1;
me.curr -= 1;
@ -643,7 +644,7 @@ var CanvasPlacement = {
me.replace_line(me.history[me.curr], 0);
me.completion_pos = -1;
} elsif (key == 359) { # down
} elsif (key == "Down") { # down
printlog(_REPL_dbg_level, "down");
if (me.curr == size(me.history)) return 1;
me.curr += 1;
@ -653,12 +654,12 @@ var CanvasPlacement = {
me.replace_line(me.history[me.curr], 0);
me.completion_pos = -1;
} elsif (key == 27) { # escape -> cancel
} elsif (key == "Escape") { # escape -> cancel
printlog(_REPL_dbg_level, "esc");
me.del();
return 1;
} elsif (key == `\t`) { # tab
} elsif (key == "Tab") { # tab
printlog(_REPL_dbg_level, "tab");
return 0;
me.reset_input_from_history();
@ -666,13 +667,13 @@ var CanvasPlacement = {
me.input = me.complete(me.input, modifiers.shift ? -1 : 1);
}
} elsif (!string.isprint(key)) {
} elsif (size(key) > 1 or !string.isprint(key[0])) {
printlog(_REPL_dbg_level, "other key: "~key);
return 0; # pass other funny events
} else {
printlog(_REPL_dbg_level, "key: "~key~" (`"~chr(key)~"`)");
me.add_char(key);
printlog(_REPL_dbg_level, "key: "~key[0]~" (`"~key~"`)");
me.add_char(key[0]);
me.completion_pos = -1;
}