//custom 自定义控件演示
namespace win.ui.ctrl; 
class custom { 
	ctor(parent,tParam){
		if(tParam.bkImage || (tParam.repeat == "stretch")){ 
			tParam.image = tParam.bkImage;
			
			if(!tParam.repeat || !tParam.bkImage ){ 
				..table.mix(tParam,{
					bkTop = 0;
					bkLeft = 0;
					bkRight = 0;
					bkBottom = 0;
				})
			}
		}
		
		this = ..win._form(border="none";exmode="none";mode="child";parent=parent;
			left=tParam.left;top=tParam.top;right=tParam.right;bottom=tParam.bottom;tParam=tParam);
	}
	loadForm = loadForm;
	showChildren = showChildren;
	preTranslateAccelerator = function(msg){
		if( owner.parent[["preTranslateAccelerator"]] ) return owner.parent.preTranslateAccelerator(msg);
	};
	_afterDpiChanged = function(scaleX,scaleY){
		for(i,frm in this._forms){
			frm.enableDpiScaling(scaleX,scaleY) 
		} 
	}; 
	/*
	onCreate = function(){
		//创建窗口后触发此函数 
	} 
	onCreated = function(){
		//窗口初始化属性设置完成后触发此函数
	}
	_onDestroy = function(){ 
		//销毁窗口前触发此函数  
	}
	*/
}

namespace custom {

	showChildren = function(f){
		for(i,form in owner._forms){
			form.show(f)
		}
		owner.selForm = null;
	};
	
	loadForm = function( code, ... ){
		var this = owner;
		if( ! this._adjust ){
			this._adjust = function(){ 
				var rc = this.getClientRect();
				for(i,form in this._forms){
					form.setRect(rc);
					form.invalidate();
				}
			} 
			this.onMoveForm = function(){
				for(i,form in this._forms){
					form.onMoveForm();
				}	
			};
			this.onEraseBkgnd  = function() if(this.selForm)return 0;
		} 
		if( !this._forms ){ this._forms = {}; };
		
		if(code===null) code = {};
		if( type(code) == type.table ){
			
			if( code[["hwnd"]] ){
				..win.setParent(code[["hwnd"]],owner.hwnd);
				..win.modifyStyle(code[["hwnd"]],0x80840000/*_WS_POPUP  |_WS_BORDER  |_WS_TILED  | _WS_SIZEBOX*/,0x40000000/*_WS_CHILD*/);
				
				..table.push( this._forms,code ); 
    		
    			code.setRect(this.getClientRect());
    			code.invalidate(); 
    			
    			code._beforeShowWindowInCustom = function(shown,status){
    				if(shown){
    					for(i,f in this._forms){ 
    						if(f!=code) f.show(false); 
    					}
    					this.selForm = code;  
    					 
    					code.setRect(this.getClientRect());
    				} 
    				elseif(this.selForm == code) {
    					this.selForm = null;
    				}
    			} 
    			code._onDestroyInTabs = function(){
    				..table.removeByValue(this._forms,code);
    			}
    			
    			return code;
			} 
			
			var tParam = code;
    		tParam.parent = owner ;
    		tParam.mode="child";
    		tParam.exmode="none";
    		tParam.border="none"
    		tParam.title=false;
    		
    		var form,wb = ..win.form(tParam);
    		if(!form) return;
    		
    		form._beforeShowWindowInCustom = function(shown,status){
    			if(shown){
    				for(i,f in this._forms){ if(f!=form) f.show(false); }
    				this.selForm = form;  
    				 
    				form.setRect(this.getClientRect());
    			} 
    			elseif(this.selForm == form) {
    				this.selForm = null;
    			}
    		} 
    		form._onDestroyInTabs = function(){
    			..table.removeByValue(this._forms,form);
    		}
    		
    		..table.push( this._forms,form );  
			form.setRect(this.getClientRect());
    		form.invalidate(); 
    		
    		return form,wb;
		};
		
		var frmCreated;
		var form,wb =  ..win.loadForm(code,function(tParam){
    		tParam.parent = this ;
    		tParam.mode="child";
    		tParam.exmode="none";
    		tParam.border="none";
    		tParam.title=false;   
    		
    		var form = ..win.form(tParam);
    		if(frmCreated===null) frmCreated = form;
    		
    		if(form){
    			form._beforeShowWindowInCustom = function(shown,status){
    				if(shown){
    					for(i,f in this._forms){ if(f!=form) f.show(false); }
    					this.selForm = form;
    					 
    					form.setRect(this.getClientRect());
    				}
    				elseif(this.selForm == form) {
    					this.selForm = null;
    				}
    			} 
    			form._onDestroyInTabs = function(){
    				..table.removeByValue(this._forms,form);
    			}
    			
    			..table.push( this._forms,form ); 
    		}
    		return form;							
		},this,...);
		
		if( form === null ) form = frmCreated; 
		if( form ) { 
			form.setRect(this.getClientRect());
	    	form.invalidate(); 
    	}
		
		return form,wb;
    };
}

/*intellisense(win.ui.ctrl)
custom = 自定义控件演示类
custom() = !winform.
end intellisense*/