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define.class("$ui/label", function(require){
this.mixin(require('$system/textbox/textboximpl'))
this.attributes = {
cursorcolor: Config({type:vec4, value: vec4(NaN), meta:"color"}),
markerfocus: Config({type:vec4, value: vec4("oceanboatblue"), meta:"color"}),
markerunfocus: Config({type:vec4, value: vec4("gray"), meta:"color"}),
value: Config({type:String, value:""}),
readonly:false,
focusselect:true,
multiline:true,
cursorrect:vec4(),
cursorscrollindent:30
}
this.bgcolor = "transparent";
this.pickalpha = -1;
this.markercolor = this.markerunfocus
this.oncursorrect = function(ev,v,o) {
if (this._overflow !== "hidden" && this._overflow !== "scroll") {
return
}
var px = v[0] - this.scroll[0]
var past = px - this.width
if (past > 0) {
setTimeout(function(){
o.scroll = vec2(o.scroll[0] + past + o.cursorscrollindent, o.scroll[1])
o.redraw()
},0)
} else if (px < 0) {
setTimeout(function(){
o.scroll = vec2(Math.max(0, o.scroll[0] + px - o.cursorscrollindent), o.scroll[1])
o.redraw()
},0)
}
}
define.class(this, 'cursors', require('$system/typeface/cursorshader.js'), function(){
this.updateorder = 5
this.draworder = 6
this.atConstructor = function(){
this.mesh = this.vertexstruct.array()
}
this.update = function(){
var view = this.view
this.mesh.length = 0
if(view.cursors.fusing) view.cursors.fuse()
for(var list = view.cursorset.list, i = 0; i < list.length; i++){
var cursor = list[i]
var end = cursor.end
var texbuf = view.textbuf
var pos = texbuf.cursorRect(end)
view.cursorrect = vec4(pos.x, pos.y, pos.w, pos.h)
this.mesh.addCursor(texbuf, end)
}
}
})
this.cursors = true
this.tabstop = 0
this.linespacing = 1.3
define.class(this, 'markers', require('$system/typeface/markershader.js'), function(){
this.updateorder = 6
this.draworder = 4
this.atConstructor = function(){
this.mesh = this.vertexstruct.array()
}
this.update = function(){
var view = this.view
this.mesh.length = 0
if(view.cursorset.fusing) view.cursorset.fuse()
for(var list = view.cursorset.list, i = 0; i < list.length; i++){
var cursor = list[i]
var start = cursor.start, end = cursor.end
if(start !== end){
var markers = this.vertexstruct.getMarkersFromText(view.textbuf, start, end, 0)
for(var i = 0; i < markers.length;i++){
this.mesh.addMarker(markers[i-1], markers[i], markers[i+1], view.textbuf.fontsize, 0)
}
}
}
}
})
this.markers = true
this.measure_with_cursor = true
this.focus = function(){
if(!this.shaders || !this.shaders.cursors) return
if(this._focus){
this.shaders.cursors.visible = this.readonly? false: true
this.markercolor = this.markerfocus
}
else if (this.shaders) {
this.shaders.cursors.visible = this.readonly? true: false
this.markercolor = this.markerunfocus
}
this.redraw()
}
Object.defineProperty(this, 'textbuf', {
get:function(){
return this.shaders.typeface.mesh
}
})
this.textChanged = function(noredraw){
var string = this.textbuf.serializeText(0, this.textbuf.lengthQuad())
if (!this.multiline && (string.indexOf('\n') >= 0 || string.indexOf('\r') >= 0)) {
string = string.replace(/(\r\n|\n|\r)/gm,"");
this.textbuf.removeText(0, this.textbuf.lengthQuad());
this.textbuf.insertText(0, string);
this.focus = false;
}
this.value = Mark(string)
if(!noredraw) this.relayout()
}
this.value = function(event){
if(event.mark) return
this.text = this.value
this.relayout()
this.redraw()
}
this.cursorsChanged = function(noreupdate){
this.shaders.cursors.reupdate()
this.shaders.markers.reupdate()
}
this.init = function(){
this.shaders.cursors.visible = false
if(isNaN(this._cursorcolor[0])) this._cursorcolor = this.fgcolor
this.initEditImpl()
this.text = this.value
}
var textbox = this.constructor;
this.constructor.examples = {
Usage:function(){
return [
textbox({alignself:'flex-start', value:"Text can be input here", fgcolor:'#333', borderwidth:1, bordercolor:'black', padding:5}),
textbox({
borderwidth:1,
paddingleft:10,
bordercolor:"white",
bgimage:"$resources/textures/purplecloud.png",
bgimagemode:"stretch",
value:"Text field w/bgimage"
})
]
}
}
})
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