pointvec/desktop/sources/scripts/keyboard.js
2018-03-07 09:32:31 +13:00

103 lines
2.3 KiB
JavaScript

function Keyboard()
{
this.memory = "";
this.selector = {x:0,y:0};
this.start = function()
{
dotgrid.controller.set("keyboard");
this.select({x:10,y:10})
dotgrid.cursor.className = "keyboard";
}
this.stop = function()
{
dotgrid.controller.set();
dotgrid.cursor.className = "";
}
this.select = function(pos)
{
this.selector = {x:pos.x * -dotgrid.grid_width,y:pos.y * dotgrid.grid_height};
dotgrid.move_cursor(this.selector)
dotgrid.guide.update();
dotgrid.draw();
}
this.deselect = function()
{
dotgrid.tool.clear();
dotgrid.guide.update();
dotgrid.draw();
}
this.confirm = function()
{
dotgrid.tool.add_vertex({x:this.selector.x * -1,y:this.selector.y});
dotgrid.guide.update();
dotgrid.draw();
}
this.erase = function()
{
dotgrid.tool.remove_segments_at(this.selector);
dotgrid.guide.update();
dotgrid.draw();
}
this.move = function(x,y)
{
this.selector = {x:this.selector.x+(x*dotgrid.grid_width),y:this.selector.y+(-y*dotgrid.grid_height)};
this.selector.x = this.selector.x > 0 ? 0 : this.selector.x;
this.selector.y = this.selector.y < 0 ? 0 : this.selector.y;
dotgrid.move_cursor(this.selector)
dotgrid.guide.update();
dotgrid.draw();
}
this.push = function(k)
{
this.memory = `${this.memory}${k}`;
if(this.memory.length > 3){
var pos = {x:parseInt(this.memory.substr(0,2)),y:parseInt(this.memory.substr(2,2))};
this.select(pos);
this.memory = "";
}
}
this.reset = function()
{
this.memory = "";
dotgrid.update();
}
this.listen = function(e)
{
if(e.key == "ArrowRight"){
dotgrid.keyboard.move(-1,0);
e.preventDefault();
}
if(e.key == "ArrowLeft"){
dotgrid.keyboard.move(1,0);
e.preventDefault();
}
if(e.key == "ArrowUp"){
dotgrid.keyboard.move(0,1);
e.preventDefault();
}
if(e.key == "ArrowDown"){
dotgrid.keyboard.move(0,-1);
e.preventDefault();
}
if(e.code && e.code.substr(0,5) == "Digit" && !e.metaKey && !e.ctrlKey){
var value = parseInt(e.code.substr(5,1));
dotgrid.keyboard.push(value);
e.preventDefault();
}
}
// document.onkeyup = function(event){ dotgrid.keyboard.listen(event); };
document.onkeydown = function(event){ dotgrid.keyboard.listen(event); };
}