| 1 | /* |
| 2 | * Copyright 2001-2004 Red Hat Inc., Durham, North Carolina. |
| 3 | * |
| 4 | * All Rights Reserved. |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining |
| 7 | * a copy of this software and associated documentation files (the |
| 8 | * "Software"), to deal in the Software without restriction, including |
| 9 | * without limitation on the rights to use, copy, modify, merge, |
| 10 | * publish, distribute, sublicense, and/or sell copies of the Software, |
| 11 | * and to permit persons to whom the Software is furnished to do so, |
| 12 | * subject to the following conditions: |
| 13 | * |
| 14 | * The above copyright notice and this permission notice (including the |
| 15 | * next paragraph) shall be included in all copies or substantial |
| 16 | * portions of the Software. |
| 17 | * |
| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 19 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 20 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 21 | * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS |
| 22 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| 23 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 24 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 25 | * SOFTWARE. |
| 26 | */ |
| 27 | |
| 28 | /* |
| 29 | * Authors: |
| 30 | * Rickard E. (Rik) Faith <faith@redhat.com> |
| 31 | * |
| 32 | */ |
| 33 | |
| 34 | /** \file |
| 35 | * This code queries and modifies the connection block. */ |
| 36 | |
| 37 | #ifdef HAVE_DMX_CONFIG_H |
| 38 | #include <dmx-config.h> |
| 39 | #endif |
| 40 | |
| 41 | #include "dmx.h" |
| 42 | #include "dmxcb.h" |
| 43 | #include "dmxinput.h" |
| 44 | #include "dmxlog.h" |
| 45 | |
| 46 | extern int connBlockScreenStart; |
| 47 | |
| 48 | #ifdef PANORAMIX |
| 49 | #include "panoramiXsrv.h" |
| 50 | extern int PanoramiXPixWidth; |
| 51 | extern int PanoramiXPixHeight; |
| 52 | extern int PanoramiXNumScreens; |
| 53 | #endif |
| 54 | |
| 55 | int dmxGlobalWidth, dmxGlobalHeight; |
| 56 | |
| 57 | /** We may want the wall dimensions to be different from the bounding |
| 58 | * box dimensions that Xinerama computes, so save those and update them |
| 59 | * here. |
| 60 | */ |
| 61 | void |
| 62 | dmxSetWidthHeight(int width, int height) |
| 63 | { |
| 64 | dmxGlobalWidth = width; |
| 65 | dmxGlobalHeight = height; |
| 66 | } |
| 67 | |
| 68 | /** Computes the global bounding box for DMX. This may be larger than |
| 69 | * the one computed by Xinerama because of the DMX configuration |
| 70 | * file. */ |
| 71 | void |
| 72 | dmxComputeWidthHeight(DMXRecomputeFlag flag) |
| 73 | { |
| 74 | int i; |
| 75 | DMXScreenInfo *dmxScreen; |
| 76 | int w = 0; |
| 77 | int h = 0; |
| 78 | |
| 79 | for (i = 0; i < dmxNumScreens; i++) { |
| 80 | /* Don't use root* here because this is |
| 81 | * the global bounding box. */ |
| 82 | dmxScreen = &dmxScreens[i]; |
| 83 | if (w < dmxScreen->scrnWidth + dmxScreen->rootXOrigin) |
| 84 | w = dmxScreen->scrnWidth + dmxScreen->rootXOrigin; |
| 85 | if (h < dmxScreen->scrnHeight + dmxScreen->rootYOrigin) |
| 86 | h = dmxScreen->scrnHeight + dmxScreen->rootYOrigin; |
| 87 | } |
| 88 | if (!dmxGlobalWidth && !dmxGlobalHeight) { |
| 89 | dmxLog(dmxInfo, "Using %dx%d as global bounding box\n", w, h); |
| 90 | } |
| 91 | else { |
| 92 | switch (flag) { |
| 93 | case DMX_NO_RECOMPUTE_BOUNDING_BOX: |
| 94 | dmxLog(dmxInfo, |
| 95 | "Using old bounding box (%dx%d) instead of new (%dx%d)\n", |
| 96 | dmxGlobalWidth, dmxGlobalHeight, w, h); |
| 97 | w = dmxGlobalWidth; |
| 98 | h = dmxGlobalHeight; |
| 99 | break; |
| 100 | case DMX_RECOMPUTE_BOUNDING_BOX: |
| 101 | dmxLog(dmxInfo, |
| 102 | "Using %dx%d as global bounding box, instead of %dx%d\n", |
| 103 | w, h, dmxGlobalWidth, dmxGlobalHeight); |
| 104 | break; |
| 105 | } |
| 106 | } |
| 107 | |
| 108 | dmxGlobalWidth = w; |
| 109 | dmxGlobalHeight = h; |
| 110 | } |
| 111 | |
| 112 | /** A callback routine that hooks into Xinerama and provides a |
| 113 | * convenient place to print summary log information during server |
| 114 | * startup. This routine does not modify any values. */ |
| 115 | void |
| 116 | dmxConnectionBlockCallback(void) |
| 117 | { |
| 118 | xWindowRoot *root = (xWindowRoot *) (ConnectionInfo + connBlockScreenStart); |
| 119 | int offset = connBlockScreenStart + sizeof(xWindowRoot); |
| 120 | int i; |
| 121 | Bool *found = NULL; |
| 122 | |
| 123 | MAXSCREENSALLOC(found); |
| 124 | if (!found) |
| 125 | dmxLog(dmxFatal, "dmxConnectionBlockCallback: out of memory\n"); |
| 126 | |
| 127 | dmxLog(dmxInfo, "===== Start of Summary =====\n"); |
| 128 | #ifdef PANORAMIX |
| 129 | if (!noPanoramiXExtension) { |
| 130 | if (dmxGlobalWidth && dmxGlobalHeight |
| 131 | && (dmxGlobalWidth != PanoramiXPixWidth |
| 132 | || dmxGlobalHeight != PanoramiXPixHeight)) { |
| 133 | dmxLog(dmxInfo, |
| 134 | "Changing Xinerama dimensions from %d %d to %d %d\n", |
| 135 | PanoramiXPixWidth, PanoramiXPixHeight, |
| 136 | dmxGlobalWidth, dmxGlobalHeight); |
| 137 | PanoramiXPixWidth = root->pixWidth = dmxGlobalWidth; |
| 138 | PanoramiXPixHeight = root->pixHeight = dmxGlobalHeight; |
| 139 | } |
| 140 | else { |
| 141 | dmxGlobalWidth = PanoramiXPixWidth; |
| 142 | dmxGlobalHeight = PanoramiXPixHeight; |
| 143 | } |
| 144 | dmxLog(dmxInfo, "%d screens configured with Xinerama (%d %d)\n", |
| 145 | PanoramiXNumScreens, PanoramiXPixWidth, PanoramiXPixHeight); |
| 146 | FOR_NSCREENS(i) found[i] = FALSE; |
| 147 | } |
| 148 | else { |
| 149 | #endif |
| 150 | /* This never happens because we're |
| 151 | * either called from a Xinerama |
| 152 | * callback or during reconfiguration |
| 153 | * (which only works with Xinerama on). |
| 154 | * In any case, be reasonable. */ |
| 155 | dmxLog(dmxInfo, "%d screens configured (%d %d)\n", |
| 156 | screenInfo.numScreens, root->pixWidth, root->pixHeight); |
| 157 | #ifdef PANORAMIX |
| 158 | } |
| 159 | #endif |
| 160 | |
| 161 | for (i = 0; i < root->nDepths; i++) { |
| 162 | xDepth *depth = (xDepth *) (ConnectionInfo + offset); |
| 163 | int voffset = offset + sizeof(xDepth); |
| 164 | xVisualType *visual = (xVisualType *) (ConnectionInfo + voffset); |
| 165 | int j; |
| 166 | |
| 167 | dmxLog(dmxInfo, "%d visuals at depth %d:\n", |
| 168 | depth->nVisuals, depth->depth); |
| 169 | for (j = 0; j < depth->nVisuals; j++, visual++) { |
| 170 | XVisualInfo vi; |
| 171 | |
| 172 | vi.visual = NULL; |
| 173 | vi.visualid = visual->visualID; |
| 174 | vi.screen = 0; |
| 175 | vi.depth = depth->depth; |
| 176 | vi.class = visual->class; |
| 177 | vi.red_mask = visual->redMask; |
| 178 | vi.green_mask = visual->greenMask; |
| 179 | vi.blue_mask = visual->blueMask; |
| 180 | vi.colormap_size = visual->colormapEntries; |
| 181 | vi.bits_per_rgb = visual->bitsPerRGB; |
| 182 | dmxLogVisual(NULL, &vi, 0); |
| 183 | |
| 184 | #ifdef PANORAMIX |
| 185 | if (!noPanoramiXExtension) { |
| 186 | int k; |
| 187 | |
| 188 | FOR_NSCREENS(k) { |
| 189 | DMXScreenInfo *dmxScreen = &dmxScreens[k]; |
| 190 | |
| 191 | if (dmxScreen->beDisplay) { |
| 192 | XVisualInfo *pvi = |
| 193 | &dmxScreen->beVisuals[dmxScreen->beDefVisualIndex]; |
| 194 | if (pvi->depth == depth->depth && |
| 195 | pvi->class == visual->class) |
| 196 | found[k] = TRUE; |
| 197 | } |
| 198 | else { |
| 199 | /* Screen #k is detatched, so it always succeeds */ |
| 200 | found[k] = TRUE; |
| 201 | } |
| 202 | } |
| 203 | } |
| 204 | #endif |
| 205 | } |
| 206 | offset = voffset + depth->nVisuals * sizeof(xVisualType); |
| 207 | } |
| 208 | |
| 209 | dmxInputLogDevices(); |
| 210 | dmxLog(dmxInfo, "===== End of Summary =====\n"); |
| 211 | |
| 212 | #ifdef PANORAMIX |
| 213 | if (!noPanoramiXExtension) { |
| 214 | Bool fatal = FALSE; |
| 215 | |
| 216 | FOR_NSCREENS(i) { |
| 217 | fatal |= !found[i]; |
| 218 | if (!found[i]) { |
| 219 | dmxLog(dmxError, |
| 220 | "The default visual for screen #%d does not match " |
| 221 | "any of the\n", i); |
| 222 | dmxLog(dmxError, |
| 223 | "consolidated visuals from Xinerama (listed above)\n"); |
| 224 | } |
| 225 | } |
| 226 | if (fatal) |
| 227 | dmxLog(dmxFatal, |
| 228 | "dmxConnectionBlockCallback: invalid screen(s) found"); |
| 229 | } |
| 230 | #endif |
| 231 | MAXSCREENSFREE(found); |
| 232 | } |