174 lines
3.3 KiB
Objective-C
174 lines
3.3 KiB
Objective-C
/**
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* fillbar.m
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*
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* Manages custom fillbars.
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*
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* @package com.winamp.maki.lib.community.fillbar
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* @author mpdeimos
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* @date 08/10/01
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* @version 1.0
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*/
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#ifndef included
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#error This script can only be compiled as a #include
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#endif
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Class Layer FillBar;
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// {
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Member Map FillBar.fillmap;
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Member int FillBar.pos;
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Member boolean Fillbar.reverse;
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// User dragging stuff
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Member boolean Fillbar.dragable;
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Member boolean Fillbar.dragging;
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/**
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* constructor
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*
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* @param layer that should be handled like a fillbar
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* @param bitmapID that should be used as region map
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* @ret FillBar object
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*/
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Function FillBar FillBar_construct(Layer l, String bitmapID);
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Function FillBar_setMap(FillBar fb, String bitmapID);
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/**
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* destructor, always call on script unloading
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*
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*/
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Function FillBar_destruct(FillBar fb);
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/**
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* sets the region
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*
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* @param fillbar to act on
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* @param threshold of the map to generate a region
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*/
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Function FillBar_setPosition(FillBar fb, int threshold);
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/**
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* called each time the users drags the fillbar
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*
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* @param The dragged FillBar
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* @param The alue the FillBar was dragged to.
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* @ret FALSE if you do not want to allow dragging.
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*/
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Function boolean FillBar_onDrag(FillBar fb, int pos);
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/*
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* called each time the users ends dragging the fillbar
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*
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* @param The dragged FillBar
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* @param The alue the FillBar was dragged to.
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* @ret FALSE if you do not want to allow dragging.
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*/
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Function boolean FillBar_onEndDrag(FillBar fb, int pos);
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/*
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* IMPLEMENTATION
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*/
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FillBar FillBar_construct(Layer l, String bitmapID)
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{
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FillBar fb = l;
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fb.reverse = TRUE;
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fb.fillmap = new Map;
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fb.fillmap.loadMap(bitmapID);
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return fb;
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}
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FillBar_setMap(Fillbar fb, String bitmapID)
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{
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if (fb.fillmap != NULL)
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{
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delete fb.fillmap;
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}
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fb.fillmap = new Map;
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fb.fillmap.loadMap(bitmapID);
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}
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FillBar_destruct(FillBar fb)
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{
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Map tmp = fb.fillmap;
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delete tmp;
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}
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FillBar_setPosition(FillBar fb, int threshold)
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{
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fb.pos = threshold;
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fb.setRegionFromMap(fb.fillmap, threshold, fb.reverse);
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}
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// User dragging handles
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FillBar.onLeftButtonDown (int x, int y)
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{
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if (!FillBar.dragable)
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{
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return;
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}
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Fillbar.dragging = TRUE;
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}
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FillBar.onMouseMove (int x, int y)
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{
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if (!FillBar.dragable || !Fillbar.dragging)
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{
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return;
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}
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int mouseLeft = x - FillBar.getLeft();
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int mouseTop = y - Fillbar.getTop();
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if (!FillBar.fillMap.inRegion(mouseLeft, mouseTop))
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{
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return;
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}
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int position = FillBar.fillMap.getValue(mouseLeft, mouseTop);
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int update = FillBar_onDrag(FillBar, position);
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if (update)
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{
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FillBar_setPosition(FillBar, position);
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}
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}
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Fillbar.onLeftButtonUp (int x, int y)
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{
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if (!FillBar.dragable || !Fillbar.dragging)
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{
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return;
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}
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int mouseLeft = x - FillBar.getLeft();
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int mouseTop = y - Fillbar.getTop();
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int position = FillBar.fillMap.getValue(mouseLeft, mouseTop);
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if (!FillBar.fillMap.inRegion(mouseLeft, mouseTop))
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{
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position = fb.pos;
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}
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int update = FillBar_onEndDrag(FillBar, position);
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if (update)
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{
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FillBar_setPosition(FillBar, position);
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}
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Fillbar.dragging = FALSE;
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}
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// Callback Stubs
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boolean FillBar_onDrag(Fillbar fb, int pos) { return TRUE; }
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boolean FillBar_onEndDrag(Fillbar fb, int pos) { return TRUE; }
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// }
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