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Make tooltip also work for on-screen messages.

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Required new (in flightgear) Nasal timer to work, so make sure your fg is up-to-date.
This commit is contained in:
James Turner 2013-03-16 12:46:13 +00:00
parent 8b4393735d
commit e740b916d3
1 changed files with 63 additions and 21 deletions
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84
Nasal/canvas/tooltip.nas
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@ -14,15 +14,17 @@ var Tooltip = {
_tipId: nil,
_slice: 17,
_measureText: nil,
_measureBB: nil
_measureBB: nil,
_hideTimer: nil
};
m.setInt("size[0]", size[0]);
m.setInt("size[1]", size[1]);
m.setBool("visible", 0);
# arg = [child, listener_node, mode, is_child_event]
# setlistener(m._node, func m._propCallback(arg[0], arg[2]), 0, 2);
m._hideTimer = maketimer(1.0, m, Tooltip._hideTimeout);
m._hideTimer.singleShot = 1;
return m;
},
# Destructor
@ -192,9 +194,24 @@ var Tooltip = {
me.setBool("visible", 1);
},
showMessage: func()
{
me.setInt("y", getprop('/sim/startup/ysize') * 0.2);
var screenW = getprop('/sim/startup/xsize');
me.setInt("x", (screenW - me._width) * 0.5);
me.show();
me._hideTimer.restart(4.0);
},
hide: func()
{
me.setBool("visible", 0);
me._hideTimer.restart(1.0);
},
hideNow: func()
{
me._hideTimer.stop();
me._hideTimeout();
},
isVisible: func
@ -210,29 +227,20 @@ var Tooltip = {
fadeOut: func()
{
me.hide();
}
},
# private:
_hideTimeout: func()
{
me.setBool("visible", 0);
}
};
var tooltip = canvas.Tooltip.new([300, 100]);
tooltip.createCanvas();
tooltip.createCanvas();
var setTooltip = func(node)
var innerSetTooltip = func(node)
{
var tipId = cmdarg().getNode('tooltip-id').getValue();
if (tooltip.getTooltipId() == tipId) {
return; # nothing more to do
}
var x = cmdarg().getNode('x').getValue();
var y = cmdarg().getNode('y').getValue();
var screenHeight = getprop('/sim/startup/ysize');
tooltip.setPosition(x, screenHeight - y);
tooltip.setTooltipId(tipId);
tooltip.setLabel(cmdarg().getNode('label').getValue());
var measure = cmdarg().getNode('measure-text');
if (measure != nil) {
@ -254,6 +262,23 @@ var setTooltip = func(node)
tooltip.setProperty(nil);
tooltip.setMapping(nil);
}
}
var setTooltip = func(node)
{
var tipId = cmdarg().getNode('tooltip-id').getValue();
if (tooltip.getTooltipId() == tipId) {
return; # nothing more to do
}
var x = cmdarg().getNode('x').getValue();
var y = cmdarg().getNode('y').getValue();
var screenHeight = getprop('/sim/startup/ysize');
tooltip.setPosition(x, screenHeight - y);
tooltip.setTooltipId(tipId);
innerSetTooltip(node);
# don't actually show here, we do that response to tooltip-timeout
# so this is just getting ready
@ -282,6 +307,23 @@ var updateHover = func(node)
}
var showMessage = func(node)
{
var msgId = node.getNode("id");
tooltip.setTooltipId((msgId == nil) ? 'msg' : msgId.getValue());
innerSetTooltip(node);
tooltip.showMessage();
}
var clearMessage = func(node)
{
var msgId = node.getNode("id");
if (tooltip.getTooltipId() != msgId.getValue()) return;
tooltip.hideNow();
}
addcommand("update-hover", updateHover);
addcommand("set-tooltip", setTooltip);
addcommand("tooltip-timeout", showTooltip);
addcommand("show-message", showMessage);
addcommand("clear-message", clearMessage);