src/xutil.c

   1 /*
   2  *  WindowMaker miscelaneous functions
   3  *
   4  *  Copyright (c) 1997 Alfredo K. Kojima
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19  */
  20
  21
  22 #include <X11/Xlib.h>
  23 #include <stdlib.h>
  24 #include <X11/Xutil.h>
  25 #include <X11/Xatom.h>
  26 #include <stdio.h>
  27
  28 #include "wconfig.h"
  29
  30 #include "xutil.h"
  31
  32 #include <WUtil.h>
  33
  34 static Atom Clipboard=0;
  35
  36 static char *requestCodes[] = {
  37     "DUMMY",
  38       "X_CreateWindow",
  39       "X_ChangeWindowAttributes",
  40       "X_GetWindowAttributes",
  41       "X_DestroyWindow",
  42       "X_DestroySubwindows",
  43       "X_ChangeSaveSet",
  44       "X_ReparentWindow",
  45       "X_MapWindow",
  46       "X_MapSubwindows",
  47       "X_UnmapWindow",
  48       "X_UnmapSubwindows",
  49       "X_ConfigureWindow",
  50       "X_CirculateWindow",
  51       "X_GetGeometry",
  52       "X_QueryTree",
  53       "X_InternAtom",
  54       "X_GetAtomName",
  55       "X_ChangeProperty",
  56       "X_DeleteProperty",
  57       "X_GetProperty",
  58       "X_ListProperties",
  59       "X_SetSelectionOwner",
  60       "X_GetSelectionOwner",
  61       "X_ConvertSelection",
  62       "X_SendEvent",
  63       "X_GrabPointer",
  64       "X_UngrabPointer",
  65       "X_GrabButton",
  66       "X_UngrabButton",
  67       "X_ChangeActivePointerGrab",
  68       "X_GrabKeyboard",
  69       "X_UngrabKeyboard",
  70       "X_GrabKey",
  71       "X_UngrabKey",
  72       "X_AllowEvents",
  73       "X_GrabServer",
  74       "X_UngrabServer",
  75       "X_QueryPointer",
  76       "X_GetMotionEvents",
  77       "X_TranslateCoords",
  78       "X_WarpPointer",
  79       "X_SetInputFocus",
  80       "X_GetInputFocus",
  81       "X_QueryKeymap",
  82       "X_OpenFont",
  83       "X_CloseFont",
  84       "X_QueryFont",
  85       "X_QueryTextExtents",
  86       "X_ListFonts",
  87       "X_ListFontsWithInfo",
  88       "X_SetFontPath",
  89       "X_GetFontPath",
  90       "X_CreatePixmap",
  91       "X_FreePixmap",
  92       "X_CreateGC",
  93       "X_ChangeGC",
  94       "X_CopyGC",
  95       "X_SetDashes",
  96       "X_SetClipRectangles",
  97       "X_FreeGC",
  98       "X_ClearArea",
  99       "X_CopyArea",
 100       "X_CopyPlane",
 101       "X_PolyPoint",
 102       "X_PolyLine",
 103       "X_PolySegment",
 104       "X_PolyRectangle",
 105       "X_PolyArc",
 106       "X_FillPoly",
 107       "X_PolyFillRectangle",
 108       "X_PolyFillArc",
 109       "X_PutImage",
 110       "X_GetImage",
 111       "X_PolyText8",
 112       "X_PolyText16",
 113       "X_ImageText8",
 114       "X_ImageText16",
 115       "X_CreateColormap",
 116       "X_FreeColormap",
 117       "X_CopyColormapAndFree",
 118       "X_InstallColormap",
 119       "X_UninstallColormap",
 120       "X_ListInstalledColormaps",
 121       "X_AllocColor",
 122       "X_AllocNamedColor",
 123       "X_AllocColorCells",
 124       "X_AllocColorPlanes",
 125       "X_FreeColors",
 126       "X_StoreColors",
 127       "X_StoreNamedColor",
 128       "X_QueryColors",
 129       "X_LookupColor",
 130       "X_CreateCursor",
 131       "X_CreateGlyphCursor",
 132       "X_FreeCursor",
 133       "X_RecolorCursor",
 134       "X_QueryBestSize",
 135       "X_QueryExtension",
 136       "X_ListExtensions",
 137       "X_ChangeKeyboardMapping",
 138       "X_GetKeyboardMapping",
 139       "X_ChangeKeyboardControl",
 140       "X_GetKeyboardControl",
 141       "X_Bell",
 142       "X_ChangePointerControl",
 143       "X_GetPointerControl",
 144       "X_SetScreenSaver",
 145       "X_GetScreenSaver",
 146       "X_ChangeHosts",
 147       "X_ListHosts",
 148       "X_SetAccessControl",
 149       "X_SetCloseDownMode",
 150       "X_KillClient",
 151       "X_RotateProperties",
 152       "X_ForceScreenSaver",
 153       "X_SetPointerMapping",
 154       "X_GetPointerMapping",
 155       "X_SetModifierMapping",
 156       "X_GetModifierMapping",
 157       "X_NoOperation"
 158 };
 159
 160
 161 void
 162 FormatXError(Display *dpy, XErrorEvent *error, char *buffer, int size)
 163 {
 164     int i, p;
 165
 166     XGetErrorText(dpy, error->error_code, buffer, size);
 167     i = strlen(buffer);
 168     if (i > size-100)
 169       return;
 170     buffer += i;
 171     if (error->request_code >= sizeof(requestCodes)/sizeof(char*)) {
 172         sprintf(buffer, "\n     Unknown request code: %i\n",
 173                 error->request_code);
 174     } else {
 175         sprintf(buffer, "\n     Request code: %i %s\n", error->request_code,
 176                 requestCodes[error->request_code]);
 177     }
 178     i += p = strlen(buffer);
 179     if (i > size - 40)
 180       return;
 181     buffer += p;
 182     sprintf(buffer, "   Request minor code: %i\n", error->minor_code);
 183     i += p = strlen(buffer);
 184     if (i > size - 30)
 185       return;
 186     buffer += p;
 187     sprintf(buffer, "   Resource ID: 0x%x\n", (unsigned int)error->resourceid);
 188     i += p = strlen(buffer);
 189     if (i > size - 30)
 190       return;
 191     buffer += p;
 192     sprintf(buffer, "   Error serial: %li\n", error->serial);
 193     return;
 194 }
 195
 196
 197 /*
 198  *----------------------------------------------------------------------
 199  * GetSelection--
 200  *      Request for the current primary selection.
 201  *----------------------------------------------------------------------
 202  */
 203 void
 204 RequestSelection(Display *dpy, Window requestor, Time timestamp)
 205 {
 206     if (!Clipboard)
 207       Clipboard = XInternAtom(dpy, "CLIPBOARD", False);
 208
 209     XConvertSelection(dpy, XA_PRIMARY, XA_STRING, Clipboard, requestor,
 210                       timestamp);
 211 }
 212
 213
 214 char*
 215 GetSelection(Display *dpy, Window requestor)
 216 {
 217     Atom rtype;
 218     int bits;
 219     unsigned long len, bytes;
 220     unsigned char *data;
 221
 222     XGetWindowProperty(dpy, requestor, Clipboard,
 223                        0, MAXLINE/4, False, XA_STRING,
 224                        &rtype, &bits, &len, &bytes, &data);
 225     if ((rtype!=XA_STRING) || (bits!=8)) {
 226         wwarning(_("invalid data in selection"));
 227         if (data) XFree(data);
 228         return NULL;
 229     } else {
 230         return (char*)data;
 231     }
 232 }
 233