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-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/Holder.c226
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diff --git a/nx-X11/programs/Xserver/hw/nxagent/Holder.c b/nx-X11/programs/Xserver/hw/nxagent/Holder.c
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+/**************************************************************************/
+/* */
+/* Copyright (c) 2001, 2007 NoMachine, http://www.nomachine.com/. */
+/* */
+/* NXAGENT, NX protocol compression and NX extensions to this software */
+/* are copyright of NoMachine. Redistribution and use of the present */
+/* software is allowed according to terms specified in the file LICENSE */
+/* which comes in the source distribution. */
+/* */
+/* Check http://www.nomachine.com/licensing.html for applicability. */
+/* */
+/* NX and NoMachine are trademarks of NoMachine S.r.l. */
+/* */
+/* All rights reserved. */
+/* */
+/**************************************************************************/
+
+#include <signal.h>
+#include <stdio.h>
+
+#ifdef _XSERVER64
+
+#include "scrnintstr.h"
+#include "Agent.h"
+#define GC XlibGC
+#define PIXEL_ALREADY_TYPEDEFED
+
+#endif /* _XSERVER64 */
+
+#include "pixmapstr.h"
+#include "regionstr.h"
+#include "resource.h"
+#include "../../include/gc.h"
+#include "../../include/window.h"
+
+#include "xpm.h"
+
+#include "Agent.h"
+#include "Pixmaps.h"
+#include "Display.h"
+#include "Holder.h"
+#include "Icons.h"
+
+#include NXAGENT_PLACEHOLDER_NAME
+
+#define MAXDEPTH 32
+
+#define PLACEHOLDER_WIDTH 14
+#define PLACEHOLDER_HEIGHT 16
+
+#define PLACEHOLDER_BORDER_COLOR_DARK 0x000000
+#define PLACEHOLDER_BORDER_COLOR_LIGHT 0xB2B2B2
+
+/*
+ * Set here the required log level.
+ */
+
+#define PANIC
+#define WARNING
+#undef TEST
+#undef DEBUG
+#undef DUMP
+
+static Pixmap nxagentPlaceholderPixmaps[MAXDEPTH + 1];
+
+void nxagentMarkPlaceholderNotLoaded(int depth)
+{
+ nxagentPlaceholderPixmaps[depth] = 0;
+}
+
+void nxagentInitPlaceholder(int depth)
+{
+ int status;
+ XpmAttributes attributes;
+
+ attributes.valuemask = XpmDepth | XpmSize;
+ attributes.depth = depth;
+
+ status = XpmCreatePixmapFromData(nxagentDisplay, DefaultRootWindow(nxagentDisplay),
+ placeholderXpm, nxagentPlaceholderPixmaps + depth, NULL, &attributes);
+
+ if (status != Success)
+ {
+ FatalError("Error: Failed to create the placeholder pixmap.\n");
+ }
+
+ #ifdef TEST
+ fprintf(stderr, "nxagentInitPlaceholder: Created pixmap [0x%lx] with geometry [%d,%d] for depth [%d].\n",
+ nxagentPlaceholderPixmaps[depth], attributes.width, attributes.height, depth);
+ #endif
+}
+
+void nxagentApplyPlaceholder(Drawable drawable, int x, int y,
+ int w, int h, int depth)
+{
+ /*
+ * Instead of the image, a white rectangle that
+ * covers the pixmap area is drawn, alongside
+ * with a black and grey line that outlines the
+ * boundaries of the affected area.
+ */
+
+ GC gc;
+ XGCValues value;
+ XPoint points[3];
+
+ value.foreground = 0xffffffff;
+ value.background = 0x00000000;
+ value.plane_mask = 0xffffffff;
+ value.fill_style = FillSolid;
+
+ /*
+ * FIXME: Should we use a gc cache to save
+ * some bandwidth?
+ */
+
+ gc = XCreateGC(nxagentDisplay, drawable, GCBackground |
+ GCForeground | GCFillStyle | GCPlaneMask, &value);
+
+ XFillRectangle(nxagentDisplay, drawable, gc, x, y, w, h);
+
+ if (depth == 1)
+ {
+ return;
+ }
+
+ value.foreground = PLACEHOLDER_BORDER_COLOR_DARK;
+ value.line_style = LineSolid;
+ value.line_width = 1;
+
+ points[0].x = x;
+ points[0].y = y + h - 1;
+ points[1].x = x;
+ points[1].y = y;
+ points[2].x = x + w - 1;
+ points[2].y = y;
+
+ XChangeGC(nxagentDisplay, gc, GCForeground | GCLineWidth | GCLineStyle, &value);
+ XDrawLines(nxagentDisplay, drawable, gc, points, 3, CoordModeOrigin);
+
+ value.foreground = PLACEHOLDER_BORDER_COLOR_LIGHT;
+ value.line_style = LineSolid;
+ value.line_width = 1;
+
+ points[0].x = x;
+ points[0].y = y + h - 1;
+ points[1].x = x + w - 1;
+ points[1].y = y + h - 1;
+ points[2].x = x + w - 1;
+ points[2].y = y;
+
+ XChangeGC(nxagentDisplay, gc, GCForeground | GCLineWidth | GCLineStyle, &value);
+ XDrawLines(nxagentDisplay, drawable, gc, points, 3, CoordModeOrigin);
+
+ /*
+ * We are going to apply place holder only if on region
+ * we have enough space for the placeholder plus three
+ * pixel for spacing and one for region border.
+ */
+
+ if ((w >= PLACEHOLDER_WIDTH + 8) && (h >= PLACEHOLDER_HEIGHT + 8))
+ {
+ #ifdef TEST
+ fprintf(stderr, "nxagentApplyPlaceholder: drawable %lx placeholder %lx from %d %d pixmap size is %d %d "
+ "depth %d\n", drawable, nxagentPlaceholderPixmaps[depth], x, y, w, h, depth);
+ #endif
+
+ if (nxagentPlaceholderPixmaps[depth] == 0)
+ {
+ nxagentInitPlaceholder(depth);
+ }
+
+ XCopyArea(nxagentDisplay, nxagentPlaceholderPixmaps[depth],
+ drawable, gc, 0, 0, PLACEHOLDER_WIDTH, PLACEHOLDER_HEIGHT, x + 4, y + 4);
+
+ }
+
+ XFreeGC(nxagentDisplay, gc);
+
+ return;
+}
+
+#ifdef DUMP
+
+static char hexdigit(char c)
+{
+ char map[] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F', '?'};
+
+ return map[c];
+}
+
+/*
+FIXME: Please, check the implementation of the same
+ function in nxcomp.
+*/
+char *nxagentChecksum(char *string, int length)
+{
+ static char md5_output[MD5_DIGEST_LENGTH * 2 + 1];
+ static char md5[MD5_DIGEST_LENGTH];
+ char * ret;
+ int i;
+
+ memset(md5, 0, sizeof(md5));
+ memset(md5_output, 0, sizeof(md5_output));
+
+ ret = MD5(string, length, md5);
+
+ for (i = 0; i < MD5_DIGEST_LENGTH; i++)
+ {
+ char c = md5[i];
+
+ md5_output[i * 2 + 0] = hexdigit((c >> 0) & 0xF);
+ md5_output[i * 2 + 1] = hexdigit((c >> 4) & 0xF);
+ }
+
+ return md5_output;
+}
+
+#else
+
+const char *nxagentChecksum(char *data, int size)
+{
+ return "";
+}
+
+#endif