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Tooltip tweaks

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add a 'heading' mapping mode, normalises to 0..360
support a 'measure text' property used to compute the tooltip size (and hence avoid visual jitter when value is changed)
This commit is contained in:
James Turner 2013-03-10 10:13:47 +00:00
parent 226d11b104
commit 7679078aa7
1 changed files with 41 additions and 19 deletions
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60
Nasal/canvas/tooltip.nas
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@ -12,7 +12,8 @@ var Tooltip = {
_width: 0,
_height: 0,
_tipId: nil,
_slice: 17
_slice: 17,
_measureText: nil
};
m.setInt("size[0]", size[0]);
m.setInt("size[1]", size[1]);
@ -83,6 +84,7 @@ var Tooltip = {
{
me._label = msg;
me._updateText();
me._updateBounds();
},
setProperty: func(prop)
@ -96,6 +98,13 @@ var Tooltip = {
me._updateText();
},
# specify a string used to compute the width of the tooltip
setWidthText: func(txt)
{
me._measureText = txt;
me._updateBounds();
},
_propertyChanged: func
{
@ -104,26 +113,35 @@ var Tooltip = {
_updateText: func
{
var width = me.get("size[0]");
var msg = me._label;
if (me._property != nil) {
var val = me._remapValue(me._property.getValue());
msg = sprintf(me._label, val);
}
me._text.setMaxWidth(width);
me._text.setText(msg);
me._text.update();
},
_updateBounds: func
{
var width = me.get("size[0]");
me._text.setMaxWidth(width);
if (me._measureText == nil)
me._updateText();
else
me._text.setText(me._measureText);
me._text.update(); # compute the bounds
var bounds = me._text.getBoundingBox();
me._updateText(); # restore real text after measurement
if ((bounds[2] == me._width) and (bounds[3] == me._height))
return;
var bounds = me._text.getBoundingBox();
if ((bounds[2] == me._width) and (bounds[3] == me._height))
return;
me._width = bounds[2] + 2 * me._slice;
me._height = bounds[3] + 2 * me._slice;
me._frame.setSize(me._width, me._height);
me._width = bounds[2] + 2 * me._slice;
me._height = bounds[3] + 2 * me._slice;
me._frame.setSize(me._width, me._height);
},
_remapValue: func(val)
@ -133,6 +151,7 @@ var Tooltip = {
# TODO - translate me!
if (me._mapping == "on-off") return (val == 1) ? "ON" : "OFF";
if (me._mapping == "arm-disarm") return (val == 1) ? "ARMED" : "DISARMED";
if (me._mapping == "heading") return geo.normdeg(val);
return val;
},
@ -155,17 +174,13 @@ var Tooltip = {
{
return me['_canvas'];
},
setPosition: func(x, y)
{
me.setInt("x", x + 10);
me.setInt("y", y + 10);
},
showAfterDelay: func()
{
me.setBool("visible", 1);
},
show: func()
{
# don't show if undefined
@ -197,7 +212,7 @@ var Tooltip = {
};
var tooltip = canvas.Tooltip.new([200, 50]);
var tooltip = canvas.Tooltip.new([300, 100]);
tooltip.createCanvas();
var setTooltip = func(node)
@ -215,6 +230,13 @@ var setTooltip = func(node)
tooltip.setTooltipId(tipId);
tooltip.setLabel(cmdarg().getNode('label').getValue());
var measure = cmdarg().getNode('measure-text');
if (measure != nil) {
tooltip.setWidthText(measure.getValue());
} else {
tooltip.setWidthText(nil);
}
var nodePath = cmdarg().getNode('property');
if (nodePath != nil) {
var n = props.globals.getNode(nodePath.getValue());