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fgdata/Nasal/canvas/PFD/TextElement.nas
Stuart Buchanan 9d353a3266 FG1000: GFC700 Autopilot Integration
Support for GFC700 autopilot.  Current modes that work: AP, FD, ROL, PIT, HDG, VS
2019-02-10 22:06:31 +00:00

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# PFD UI Element - Text UI Element. Can have values set and retrieved
var TextElement =
{
new : func (pagename, svg, name, value="", style=nil)
{
var obj = {
parents : [ TextElement, PFD.UIElement ],
_name : pagename ~ name,
_edit : 0,
_style : style,
};
if (style == nil) obj._style = PFD.DefaultStyle;
obj._symbol = svg.getElementById(obj._name);
if (obj._symbol == nil) die("Unable to find element " ~ obj._name);
obj.setValue(value);
# State and timer for flashing highlighting of elements
# We need a separate Enabled flag as the timers are in a separate thread.
obj._highlightEnabled = 0;
obj._highlighted = 0;
obj._flashTimer = nil;
return obj;
},
getName : func() { return me._name; },
getValue : func() { return me._symbol.getText(); },
setValue : func(value) { me._symbol.setText(value); },
setVisible : func(vis) { me._symbol.setVisible(vis); },
_flashElement : func() {
if (me._highlightEnabled == 0) {
me._symbol.setDrawMode(canvas.Text.TEXT);
me._symbol.setColor(me._style.NORMAL_TEXT_COLOR);
me._highlighted = 0;
} else {
if (me._highlighted == 0) {
me._symbol.setDrawMode(canvas.Text.TEXT + canvas.Text.FILLEDBOUNDINGBOX);
me._symbol.setColorFill(me._style.HIGHLIGHT_COLOR);
me._symbol.setColor(me._style.HIGHLIGHT_TEXT_COLOR);
me._highlighted = 1;
} else {
me._symbol.setDrawMode(canvas.Text.TEXT);
me._symbol.setColor(me._style.NORMAL_TEXT_COLOR);
me._highlighted = 0;
}
}
},
highlightElement : func() {
me._highlightEnabled = 1;
me._highlighted = 0;
me._flashElement();
me._flashTimer = maketimer(me._style.CURSOR_BLINK_PERIOD, me, me._flashElement);
me._flashTimer.start();
},
unhighlightElement : func() {
if (me._flashTimer != nil) me._flashTimer.stop();
me._flashTimer = nil;
me._highlightEnabled = 0;
me._highlighted = 0;
me._flashElement();
},
isEditable : func () { return 0; },
isInEdit : func() { return 0; },
isHighlighted : func() { return me._highlightEnabled; },
enterElement : func() { return me.getValue(); },
clearElement : func() { },
editElement : func() { },
incrSmall : func(value) { },
incrLarge : func(value) { },
};