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/**************************************************************************/
/* */
/* Copyright (c) 2001, 2009 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 Medialogic S.p.A. */
/* */
/* 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
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