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Code Issues Releases Wiki Activity

Added support for trapping child window events

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Added first rev of support for mouse over cursor changes
This commit is contained in:
Bryan Roe
2022-04-19 13:00:11 -07:00
parent c0cff1225f
commit edff560369
4 changed files with 195 additions and 10 deletions
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41
modules/win-message-pump.js
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@@ -18,6 +18,7 @@ var WH_CALLWNDPROC = 4;
var WM_QUIT = 0x0012;
var WM_CLOSE = 0x0010;
var GM = require('_GenericMarshal');
const GWLP_WNDPROC = -4;
function WindowsMessagePump(options)
{
@@ -55,11 +56,15 @@ function WindowsMessagePump(options)
this._user32.CreateMethod('RegisterClassExW');
this._user32.CreateMethod('ReleaseCapture');
this._user32.CreateMethod('SendMessageW');
this._user32.CreateMethod('SetClassLongA');
this._user32.CreateMethod('SetClassLongPtrA');
this._user32.CreateMethod('SetCursor');
this._user32.CreateMethod('SetWindowLongPtrA');
this._user32.CreateMethod('SetWindowPos');
this._user32.CreateMethod('SetWindowTextW');
this._user32.CreateMethod('ShowWindow');
this._user32.CreateMethod('SystemParametersInfoA');
this._user32.CreateMethod('TrackMouseEvent');
this._user32.CreateMethod('TranslateMessage');
this._user32.CreateMethod('UnregisterClassW');
@@ -101,6 +106,7 @@ function WindowsMessagePump(options)
this.wndclass.wndproc.on('GlobalCallback', function onWndProc(xhwnd, xmsg, wparam, lparam)
{
var processed = false;
if (this.mp._hwnd != null && this.mp._hwnd.Val == xhwnd.Val)
{
// This is for us
@@ -186,6 +192,7 @@ function WindowsMessagePump(options)
if (!this.nativeProxy.mp._options) { this.nativeProxy.mp._options = {}; }
if (!this.nativeProxy.mp._options.window) { this.nativeProxy.mp._options.window = {}; }
if (this.nativeProxy.mp._options.window.exstyles == null) { this.nativeProxy.mp._options.window.exstyles = 0x00000088; } // TopMost Tool Window
//if (this.nativeProxy.mp._options.window.exstyles == null) { this.nativeProxy.mp._options.window.exstyles = 0x00000080; } // Tool Window
if (this.nativeProxy.mp._options.window.winstyles == null) { this.nativeProxy.mp._options.window.winstyles = 0x00800000; } // WS_BORDER
if (this.nativeProxy.mp._options.window.x == null) { this.nativeProxy.mp._options.window.x = 0; }
if (this.nativeProxy.mp._options.window.y == null) { this.nativeProxy.mp._options.window.y = 0; }
@@ -230,7 +237,8 @@ function WindowsMessagePump(options)
this._startPump_continuation = function _startPump_continuation(h)
{
this.finalpromise.resolve(h);
this.nativeProxy.mp._startPump();
//this.nativeProxy.mp._startPump();
this.mp._startPump();
}
this._startPump = function _startPump()
{
@@ -241,6 +249,7 @@ function WindowsMessagePump(options)
args.unshift(this._user32.RegisterClassExW.async);
var p2 = j.func.apply(this._user32, args);
p2.finalpromise = j.p;
p2.mp = this;
p2.then(this._startPump_continuation);
return;
}
@@ -294,6 +303,36 @@ function WindowsMessagePump(options)
{
this.stop();
});
this.hookChild = function hookChild(childHwnd)
{
if (this.wndclass.wndproc.hooks == null) { this.wndclass.wndproc.hooks = []; }
var newval = GM.GetGenericGlobalCallbackEx(4, 55);
newval.childHwnd = childHwnd;
newval.mp = this;
newval.on('GlobalCallback', function hookedWndProc(xhwnd, xmsg, wparam, lparam)
{
if (this.childHwnd.Val == xhwnd.Val)
{
try
{
this.mp.emit('message', { message: xmsg.Val, wparam: wparam.Val, lparam: lparam.Val, lparam_hex: lparam.pointerBuffer().toString('hex'), lparam_raw: lparam, hwnd: xhwnd });
}
catch (zz)
{
console.info1(zz);
}
}
});
var old = this._user32.SetWindowLongPtrA(childHwnd, GWLP_WNDPROC, newval);
if (old.Val != 0)
{
GM.PutData(childHwnd, old, newval);
return (true);
}
return (false);
}
}
module.exports = WindowsMessagePump;