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/*
* Copyright 2001-2004 Red Hat Inc., Durham, North Carolina.
*
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation on the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
/*
* Authors:
* Rickard E. (Rik) Faith <faith@redhat.com>
*
*/
/** \file
* This code queries and modifies the connection block. */
#ifdef HAVE_DMX_CONFIG_H
#include <dmx-config.h>
#endif
#include "dmx.h"
#include "dmxcb.h"
#include "dmxinput.h"
#include "dmxlog.h"
extern int connBlockScreenStart;
#ifdef PANORAMIX
extern int PanoramiXPixWidth;
extern int PanoramiXPixHeight;
extern int PanoramiXNumScreens;
#endif
int dmxGlobalWidth, dmxGlobalHeight;
/** We may want the wall dimensions to be different from the bounding
* box dimensions that Xinerama computes, so save those and update them
* here.
*/
void dmxSetWidthHeight(int width, int height)
{
dmxGlobalWidth = width;
dmxGlobalHeight = height;
}
/** Computes the global bounding box for DMX. This may be larger than
* the one computed by Xinerama because of the DMX configuration
* file. */
void dmxComputeWidthHeight(DMXRecomputeFlag flag)
{
int i;
DMXScreenInfo *dmxScreen;
int w = 0;
int h = 0;
for (i = 0; i < dmxNumScreens; i++) {
/* Don't use root* here because this is
* the global bounding box. */
dmxScreen = &dmxScreens[i];
if (w < dmxScreen->scrnWidth + dmxScreen->rootXOrigin)
w = dmxScreen->scrnWidth + dmxScreen->rootXOrigin;
if (h < dmxScreen->scrnHeight + dmxScreen->rootYOrigin)
h = dmxScreen->scrnHeight + dmxScreen->rootYOrigin;
}
if (!dmxGlobalWidth && !dmxGlobalHeight) {
dmxLog(dmxInfo, "Using %dx%d as global bounding box\n", w, h);
} else {
switch (flag) {
case DMX_NO_RECOMPUTE_BOUNDING_BOX:
dmxLog(dmxInfo,
"Using old bounding box (%dx%d) instead of new (%dx%d)\n",
dmxGlobalWidth, dmxGlobalHeight, w, h);
w = dmxGlobalWidth;
h = dmxGlobalHeight;
break;
case DMX_RECOMPUTE_BOUNDING_BOX:
dmxLog(dmxInfo,
"Using %dx%d as global bounding box, instead of %dx%d\n",
w, h, dmxGlobalWidth, dmxGlobalHeight);
break;
}
}
dmxGlobalWidth = w;
dmxGlobalHeight = h;
}
/** A callback routine that hooks into Xinerama and provides a
* convenient place to print summary log information during server
* startup. This routine does not modify any values. */
void dmxConnectionBlockCallback(void)
{
xWindowRoot *root = (xWindowRoot *)(ConnectionInfo+connBlockScreenStart);
int offset = connBlockScreenStart + sizeof(xWindowRoot);
int i;
Bool *found = NULL;
MAXSCREENSALLOC(found);
if (!found)
dmxLog(dmxFatal, "dmxConnectionBlockCallback: out of memory\n");
dmxLog(dmxInfo, "===== Start of Summary =====\n");
#ifdef PANORAMIX
if (!noPanoramiXExtension) {
if (dmxGlobalWidth && dmxGlobalHeight
&& (dmxGlobalWidth != PanoramiXPixWidth
|| dmxGlobalHeight != PanoramiXPixHeight)) {
dmxLog(dmxInfo,
"Changing Xinerama dimensions from %d %d to %d %d\n",
PanoramiXPixWidth, PanoramiXPixHeight,
dmxGlobalWidth, dmxGlobalHeight);
PanoramiXPixWidth = root->pixWidth = dmxGlobalWidth;
PanoramiXPixHeight = root->pixHeight = dmxGlobalHeight;
} else {
dmxGlobalWidth = PanoramiXPixWidth;
dmxGlobalHeight = PanoramiXPixHeight;
}
dmxLog(dmxInfo, "%d screens configured with Xinerama (%d %d)\n",
PanoramiXNumScreens, PanoramiXPixWidth, PanoramiXPixHeight);
for (i = 0; i < PanoramiXNumScreens; i++) found[i] = FALSE;
} else {
#endif
/* This never happens because we're
* either called from a Xinerama
* callback or during reconfiguration
* (which only works with Xinerama on).
* In any case, be reasonable. */
dmxLog(dmxInfo, "%d screens configured (%d %d)\n",
screenInfo.numScreens, root->pixWidth, root->pixHeight);
#ifdef PANORAMIX
}
#endif
for (i = 0; i < root->nDepths; i++) {
xDepth *depth = (xDepth *)(ConnectionInfo + offset);
int voffset = offset + sizeof(xDepth);
xVisualType *visual = (xVisualType *)(ConnectionInfo + voffset);
int j;
dmxLog(dmxInfo, "%d visuals at depth %d:\n",
depth->nVisuals, depth->depth);
for (j = 0; j < depth->nVisuals; j++, visual++) {
XVisualInfo vi;
vi.visual = NULL;
vi.visualid = visual->visualID;
vi.screen = 0;
vi.depth = depth->depth;
vi.class = visual->class;
vi.red_mask = visual->redMask;
vi.green_mask = visual->greenMask;
vi.blue_mask = visual->blueMask;
vi.colormap_size = visual->colormapEntries;
vi.bits_per_rgb = visual->bitsPerRGB;
dmxLogVisual(NULL, &vi, 0);
#ifdef PANORAMIX
if (!noPanoramiXExtension) {
int k;
for (k = 0; k < PanoramiXNumScreens; k++) {
DMXScreenInfo *dmxScreen = &dmxScreens[k];
if (dmxScreen->beDisplay) {
XVisualInfo *pvi =
&dmxScreen->beVisuals[dmxScreen->beDefVisualIndex];
if (pvi->depth == depth->depth &&
pvi->class == visual->class)
found[k] = TRUE;
} else {
/* Screen #k is detatched, so it always succeeds */
found[k] = TRUE;
}
}
}
#endif
}
offset = voffset + depth->nVisuals * sizeof(xVisualType);
}
dmxInputLogDevices();
dmxLog(dmxInfo, "===== End of Summary =====\n");
#ifdef PANORAMIX
if (!noPanoramiXExtension) {
Bool fatal = FALSE;
for (i = 0; i < PanoramiXNumScreens; i++) {
fatal |= !found[i];
if (!found[i]) {
dmxLog(dmxError,
"The default visual for screen #%d does not match "
"any of the\n", i);
dmxLog(dmxError,
"consolidated visuals from Xinerama (listed above)\n");
}
}
if (fatal)
dmxLog(dmxFatal,
"dmxConnectionBlockCallback: invalid screen(s) found");
}
#endif
MAXSCREENSFREE(found);
}
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