forked from AuroraMiddleware/gtk
[broadway] Break out all command handling to separate functions
We don't want to mix up the argument parsing with the actual implementation.
This commit is contained in:
Alexander Larsson
parent
7c20d59411
commit
f53771cc1d
@ -92,30 +92,6 @@ var surfaces = {};
|
||||
var outstandingCommands = new Array();
|
||||
var inputSocket = null;
|
||||
|
||||
function createSurface(id, x, y, width, height, isTemp)
|
||||
{
|
||||
var surface = { id: id, x: x, y:y, width: width, height: height, isTemp: isTemp };
|
||||
surface.drawQueue = [];
|
||||
surface.transientParent = 0;
|
||||
|
||||
var canvas = document.createElement("canvas");
|
||||
canvas.width = width;
|
||||
canvas.height = height;
|
||||
canvas.surface = surface;
|
||||
canvas.style["position"] = "absolute";
|
||||
canvas.style["left"] = x + "px";
|
||||
canvas.style["top"] = y + "px";
|
||||
canvas.style["display"] = "none";
|
||||
document.body.appendChild(canvas);
|
||||
surface.canvas = canvas;
|
||||
|
||||
var context = canvas.getContext("2d");
|
||||
context.globalCompositeOperation = "source-over";
|
||||
surface.context = context;
|
||||
|
||||
surfaces[id] = surface;
|
||||
}
|
||||
|
||||
var GDK_CROSSING_NORMAL = 0;
|
||||
var GDK_CROSSING_GRAB = 1;
|
||||
var GDK_CROSSING_UNGRAB = 2;
|
||||
@ -208,6 +184,102 @@ function flushSurface(surface)
|
||||
}
|
||||
}
|
||||
|
||||
function cmdCreateSurface(id, x, y, width, height, isTemp)
|
||||
{
|
||||
var surface = { id: id, x: x, y:y, width: width, height: height, isTemp: isTemp };
|
||||
surface.drawQueue = [];
|
||||
surface.transientParent = 0;
|
||||
|
||||
var canvas = document.createElement("canvas");
|
||||
canvas.width = width;
|
||||
canvas.height = height;
|
||||
canvas.surface = surface;
|
||||
canvas.style["position"] = "absolute";
|
||||
canvas.style["left"] = x + "px";
|
||||
canvas.style["top"] = y + "px";
|
||||
canvas.style["display"] = "none";
|
||||
document.body.appendChild(canvas);
|
||||
surface.canvas = canvas;
|
||||
|
||||
var context = canvas.getContext("2d");
|
||||
context.globalCompositeOperation = "source-over";
|
||||
surface.context = context;
|
||||
|
||||
surfaces[id] = surface;
|
||||
}
|
||||
|
||||
function cmdShowSurface(id)
|
||||
{
|
||||
surfaces[id].canvas.style["display"] = "inline";
|
||||
}
|
||||
|
||||
function cmdHideSurface(id)
|
||||
{
|
||||
surfaces[id].canvas.style["display"] = "none";
|
||||
}
|
||||
|
||||
function cmdSetTransientFor(id, parentId)
|
||||
{
|
||||
surfaces[id].transientParent = parentId;
|
||||
}
|
||||
|
||||
function cmdDeleteSurface(id)
|
||||
{
|
||||
var canvas = surfaces[id].canvas;
|
||||
delete surfaces[id];
|
||||
canvas.parentNode.removeChild(canvas);
|
||||
}
|
||||
|
||||
function cmdMoveSurface(id, x, y)
|
||||
{
|
||||
surfaces[id].canvas.style["left"] = x + "px";
|
||||
surfaces[id].canvas.style["top"] = y + "px";
|
||||
}
|
||||
|
||||
function cmdResizeSurface(id, w, h)
|
||||
{
|
||||
var surface = surfaces[id];
|
||||
|
||||
/* Flush any outstanding draw ops before changing size */
|
||||
flushSurface(surface);
|
||||
|
||||
/* Canvas resize clears the data, so we need to save it first */
|
||||
var tmpCanvas = document.createElement("canvas");
|
||||
tmpCanvas.width = surface.canvas.width;
|
||||
tmpCanvas.height = surface.canvas.height;
|
||||
var tmpContext = tmpCanvas.getContext("2d");
|
||||
tmpContext.globalCompositeOperation = "copy";
|
||||
tmpContext.drawImage(surface.canvas, 0, 0, tmpCanvas.width, tmpCanvas.height);
|
||||
|
||||
surface.canvas.width = w;
|
||||
surface.canvas.height = h;
|
||||
|
||||
surface.context.globalCompositeOperation = "copy";
|
||||
surface.context.drawImage(tmpCanvas, 0, 0, tmpCanvas.width, tmpCanvas.height);
|
||||
}
|
||||
|
||||
function cmdFlushSurface(id)
|
||||
{
|
||||
flushSurface(surfaces[id]);
|
||||
}
|
||||
|
||||
function cmdGrabPointer(id, ownerEvents)
|
||||
{
|
||||
doGrab(id, ownerEvents, time, false);
|
||||
sendInput ("g", []);
|
||||
}
|
||||
|
||||
function cmdUngrabPointer()
|
||||
{
|
||||
sendInput ("u", []);
|
||||
|
||||
if (grab.window != null) {
|
||||
if (grab.time == 0 || time == 0 ||
|
||||
grab.time < time)
|
||||
grab.window = null;
|
||||
}
|
||||
}
|
||||
|
||||
function handleCommands(cmdObj)
|
||||
{
|
||||
var cmd = cmdObj.data;
|
||||
@ -231,19 +303,19 @@ function handleCommands(cmdObj)
|
||||
i = i + 3;
|
||||
var isTemp = cmd[i] == '1';
|
||||
i = i + 1;
|
||||
createSurface(id, x, y, w, h, isTemp);
|
||||
cmdCreateSurface(id, x, y, w, h, isTemp);
|
||||
break;
|
||||
|
||||
case 'S': // Show a surface
|
||||
var id = base64_16(cmd, i);
|
||||
i = i + 3;
|
||||
surfaces[id].canvas.style["display"] = "inline";
|
||||
cmdShowSurface(id);
|
||||
break;
|
||||
|
||||
case 'H': // Hide a surface
|
||||
var id = base64_16(cmd, i);
|
||||
i = i + 3;
|
||||
surfaces[id].canvas.style["display"] = "none";
|
||||
cmdHideSurface(id);
|
||||
break;
|
||||
|
||||
case 'p': // Set transient parent
|
||||
@ -251,15 +323,13 @@ function handleCommands(cmdObj)
|
||||
i = i + 3;
|
||||
var parentId = base64_16(cmd, i);
|
||||
i = i + 3;
|
||||
surfaces[id].transientParent = parentId;
|
||||
cmdSetTransientFor(id, parentId);
|
||||
break;
|
||||
|
||||
case 'd': // Delete surface
|
||||
var id = base64_16(cmd, i);
|
||||
i = i + 3;
|
||||
var canvas = surfaces[id].canvas;
|
||||
delete surfaces[id];
|
||||
canvas.parentNode.removeChild(canvas);
|
||||
|
||||
cmdDeleteSurface(id);
|
||||
break;
|
||||
|
||||
case 'm': // Move a surface
|
||||
@ -269,8 +339,7 @@ function handleCommands(cmdObj)
|
||||
i = i + 3;
|
||||
var y = base64_16(cmd, i);
|
||||
i = i + 3;
|
||||
surfaces[id].canvas.style["left"] = x + "px";
|
||||
surfaces[id].canvas.style["top"] = y + "px";
|
||||
cmdMoveSurface(id, x, y);
|
||||
break;
|
||||
|
||||
case 'r': // Resize a surface
|
||||
@ -280,25 +349,7 @@ function handleCommands(cmdObj)
|
||||
i = i + 3;
|
||||
var h = base64_16(cmd, i);
|
||||
i = i + 3;
|
||||
var surface = surfaces[id];
|
||||
|
||||
/* Flush any outstanding draw ops before changing size */
|
||||
flushSurface(surface);
|
||||
|
||||
/* Canvas resize clears the data, so we need to save it first */
|
||||
var tmpCanvas = document.createElement("canvas");
|
||||
tmpCanvas.width = surface.canvas.width;
|
||||
tmpCanvas.height = surface.canvas.height;
|
||||
var tmpContext = tmpCanvas.getContext("2d");
|
||||
tmpContext.globalCompositeOperation = "copy";
|
||||
tmpContext.drawImage(surface.canvas, 0, 0, tmpCanvas.width, tmpCanvas.height);
|
||||
|
||||
surface.canvas.width = w;
|
||||
surface.canvas.height = h;
|
||||
|
||||
surface.context.globalCompositeOperation = "copy";
|
||||
surface.context.drawImage(tmpCanvas, 0, 0, tmpCanvas.width, tmpCanvas.height);
|
||||
|
||||
cmdResizeSurface(id, w, h);
|
||||
break;
|
||||
|
||||
case 'i': // Put image data surface
|
||||
@ -358,7 +409,7 @@ function handleCommands(cmdObj)
|
||||
var id = base64_16(cmd, i);
|
||||
i = i + 3;
|
||||
|
||||
flushSurface(surfaces[id]);
|
||||
cmdFlushSurface(id);
|
||||
break;
|
||||
|
||||
case 'g': // Grab
|
||||
@ -366,22 +417,11 @@ function handleCommands(cmdObj)
|
||||
i = i + 3;
|
||||
var ownerEvents = cmd[i++] == '1';
|
||||
|
||||
doGrab(id, ownerEvents, time, false);
|
||||
|
||||
sendInput ("g", []);
|
||||
cmdGrabPointer(id, ownerEvents);
|
||||
break;
|
||||
|
||||
case 'u': // Ungrab
|
||||
var time = base64_32(cmd, i);
|
||||
i = i + 6;
|
||||
sendInput ("u", []);
|
||||
|
||||
if (grab.window != null) {
|
||||
if (grab.time == 0 || time == 0 ||
|
||||
grab.time < time)
|
||||
grab.window = null;
|
||||
}
|
||||
|
||||
cmdUngrabPointer();
|
||||
break;
|
||||
default:
|
||||
alert("Unknown op " + command);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user