70 lines
2.3 KiB
Text
70 lines
2.3 KiB
Text
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##
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# Pop up a "tip" dialog for a moment, then remove it. The delay in
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# seconds can be specified as the second argument. The default is 1
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# second. Note that the tip dialog is a shared resource. If
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# someone else comes along and wants to pop a tip up before your delay
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# is finished, you lose. :)
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#
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popupTip = func {
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msg = arg[0];
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delay = if(size(arg) > 1) {arg[1]} else {DELAY};
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labelNode.setValue(msg);
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# The "width" value here is a hardcoded hack that assumes 9 pixels
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# as a "typical" character width and adds some extra for the
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# widgets to play with. Bah. Pui needs a layout engine...
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width = 9 * size(msg) + 40;
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popupNode.getNode("width").setIntValue(width);
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popupNode.getNode("x").setIntValue((screenWProp.getValue() - width)/2);
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popupNode.getNode("y").setIntValue(screenHProp.getValue() - 140);
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popdown();
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fgcommand("dialog-new", popupNode);
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fgcommand("dialog-show", tipArg);
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currTimer = currTimer + 1;
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thisTimer = currTimer;
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settimer(func { if(currTimer == thisTimer) { popdown() } }, DELAY);
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}
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########################################################################
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# Private Stuff:
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########################################################################
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##
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# Initialize property nodes via a timer, to insure the props module is
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# loaded. See notes in view.nas
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#
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screenWProp = screenHProp = popupNode = labelNode = tipArg = nil;
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INIT = func {
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screenWProp = props.globals.getNode("/sim/startup/xsize");
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screenHProp = props.globals.getNode("/sim/startup/ysize");
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# Set up the dialog property node:
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tmpl = { name : "PopTip", modal : 0,
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x : 100, y : 100, width : 120, height : 40,
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text : { x : 10, y : 6, label : "NOTE" } };
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popupNode = props.Node.new(tmpl);
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labelNode = popupNode.getNode("text/label");
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fgcommand("dialog-new", popupNode);
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# Cache the command argument for popup/popdown
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tipArg = props.Node.new({ "dialog-name" : "PopTip" });
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}
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settimer(INIT, 0);
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##
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# How many seconds do we show the tip?
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#
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DELAY = 1.0;
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##
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# Pop down the tip dialog, if it is visible.
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#
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popdown = func { fgcommand("dialog-close", tipArg); }
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# Marker for the "current" timer. This value gets stored in the
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# closure of the timer function, and is used to check that there
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# hasn't been a more recent timer set that should override.
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currTimer = 0;
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