stuff

2026-05-06 11:29:38 +00:00 · 2026-01-06 13:25:49 +00:00
parent 5d495d731b
commit 4e15e08b7f
1395 changed files with 295666 additions and 323 deletions
@@ -0,0 +1,99 @@
+//
+// Copyright Contributors to the MaterialX Project
+// SPDX-License-Identifier: Apache-2.0
+//
+
+#if defined(__linux__) || defined(__FreeBSD__)
+
+#include <MaterialXRenderHw/SimpleWindow.h>
+
+#include <X11/StringDefs.h>
+#include <X11/Shell.h> // for applicationShellWidgetClass
+#include <X11/Xlib.h> // for XEvent definition
+#include <X11/Intrinsic.h> // for XtCallbackProc definition
+
+MATERIALX_NAMESPACE_BEGIN
+
+SimpleWindow::SimpleWindow() :
+    _width(0),
+    _height(0)
+{
+    // Give a unique ID to this window.
+    static unsigned int windowCount = 1;
+    _id = windowCount;
+    windowCount++;
+}
+
+bool SimpleWindow::initialize(const char* title,
+                              unsigned int width, unsigned int height,
+                              void* applicationShell)
+{
+    int n = 0;
+
+    XtAppContext appContext;
+    Widget shell;
+    static Widget batchShell;
+    if (!applicationShell)
+    {
+        static bool initializedXServer = false;
+        // Connect to the X Server
+        if (!initializedXServer)
+        {
+            batchShell = XtOpenApplication(&appContext, "__mx_dummy__app__",
+                0, 0, &n, 0, 0,
+                applicationShellWidgetClass, 0, 0);
+            initializedXServer = true;
+        }
+        shell = batchShell;
+    }
+    else
+    {
+        // Reuse existing application shell;
+        shell = (Widget) applicationShell;
+    }
+
+    if (!shell)
+    {
+        _id = 0;
+        return false;
+    }
+
+    Arg args[6];
+    n = 0;
+    XtSetArg(args[n], XtNx, 0); n++;
+    XtSetArg(args[n], XtNy, 0); n++;
+    XtSetArg(args[n], XtNwidth, width); n++;
+    XtSetArg(args[n], XtNheight, height); n++;
+    Widget widget = XtCreatePopupShell(title, topLevelShellWidgetClass, shell, args, n);
+    if (!widget)
+    {
+        _id = 0;
+        return false;
+    }
+
+    XtRealizeWidget(widget);
+    _windowWrapper = WindowWrapper::create(widget, XtWindow(widget), XtDisplay(widget));
+
+    return true;
+}
+
+SimpleWindow::~SimpleWindow()
+{
+    if (!_windowWrapper)
+    {
+        return;
+    }
+
+    Widget widget = _windowWrapper->externalHandle();
+    if (widget)
+    {
+        // Unrealize the widget first to avoid X calls to it
+        XtUnrealizeWidget(widget);
+        XtDestroyWidget(widget);
+        widget = nullptr;
+    }
+}
+
+MATERIALX_NAMESPACE_END
+
+#endif