4.3BSD - /usr/src/new/X/Xlib/XCreate.c

   1: #include <X/mit-copyright.h>
   2: 
   3: /* $Header: XCreate.c,v 10.8 86/02/01 15:30:58 tony Rel $ */
   4: /* Copyright 1985, Massachusetts Institute of Technology */
   5: /* stolen from CLU routine x_cons, redone by J. Gettys */
   6: 
   7: #include "XlibInternal.h"
   8: #include <stdio.h>
   9: #define TRUE  1
  10: #define FALSE 0
  11: #define max(a,b) ( (a) > (b) ? (a) : (b) )
  12: #define min(a,b) ( (a) > (b) ? (b) : (a) )
  13: #define abs(a) ( (a) > 0 ? (a) : -(a))
  14: 
  15: #define DCOUNT 2
  16: #define VCOUNT 1 + (4  * 2 * DCOUNT)
  17: #define FCOUNT 1 + 4
  18: 
  19: #include "../cursors/cross.cursor"
  20: #include "../cursors/cross_mask.cursor"
  21: 
  22: Window XCreate(prompt, name, geometry, def, frame, minwidth, minheight)
  23:     char *prompt, *name;
  24:     register OpaqueFrame *frame;
  25:     int minwidth, minheight;
  26:     char *geometry, *def;
  27:     {
  28:     char *fn = "8x13";      /* default default font */
  29:     FontInfo *pfninfo;      /* font info on prompt */
  30:     Window pop;         /* pop up window */
  31:     char *opt;
  32:     int pfore, pback;       /* prompt window colors */
  33:     int bpix;           /* border color */
  34:     int mfore, mback;       /* mouse colors */
  35:     int pbw = 1;            /* prompt window border width */
  36:     int ibw = 1;            /* internal border width */
  37:     int freeze = 0;         /* should we freeze the server */
  38:     Color cdef;         /* color structure for lookup */
  39:     Cursor cr;          /* cursor for the prompt window */
  40:     int events;         /* event mask */
  41:     int popw, poph;         /* prompt window height and width */
  42:     int count = VCOUNT;     /* vertex count */
  43:     Pixmap save = 0;        /* saved pixmap */
  44:     Pixmap backmap, bdrmap;     /* background and border pixmaps */
  45:     Vertex box[VCOUNT];     /* vertex list for box */
  46:     int x1, y1;         /* location of mouse */
  47:     int x2, y2;         /* other corner of box */
  48:     Window subw;            /* subwindow it is in */
  49:     int mindim;         /* minimum dimension */
  50:     int width, height;      /* width and height of box */
  51:     int left, stop;
  52:     int mouse;
  53:     int force;          /* force default window to track */
  54:     int xa, ya, xb, yb;
  55:     int doit;
  56:     XButtonEvent event;     /* someplace to put the event */
  57:     register int i;         /* ye olde indexe variabel */
  58:     int fx, fy, fw, fh;     /* frame from parse... */
  59:     int pr;             /* parse geometry result */
  60: 
  61:     pr = XGeometry (geometry, def, frame->bdrwidth, 1, 1, 0, 0,
  62:         &fx, &fy, &fw, &fh);
  63:     /*
  64: 	 * none of this nonsense would be necessary if I hadn't blown
  65: 	 * the frame structure definition.
  66: 	 */
  67:     frame->x = fx;
  68:     frame->y = fy;
  69:     frame->width = fw;
  70:     frame->height = fh;
  71:     if (geometry != NULL) {
  72:         /*
  73: 		 * if x or y offsets are specified, then we should autoplace
  74: 		 */
  75:         if ( (pr & XValue ) || (pr & YValue) ) {
  76:             if (frame->width < minwidth) frame->width = minwidth;
  77:             if (frame->height < minheight) frame->height = minheight;
  78:             goto makeit;
  79:         }
  80:     }
  81: 
  82:     if ((opt = XGetDefault(name, "MakeWindow.BodyFont")) != NULL) fn = opt;
  83: 
  84:     if ((pfninfo = XOpenFont(fn)) == NULL) {
  85:         fprintf(stderr, "Can't open font %s!\n", fn);
  86:         return(0);
  87:         }
  88: 
  89:     pfore = mback = WhitePixel;
  90:     pback = bpix = mfore = BlackPixel;
  91:     if ((opt = XGetDefault(name, "MakeWindow.ReverseVideo")) != NULL)
  92:         if (strcmp (opt, "on") == 0) {
  93:             pfore = BlackPixel;
  94:             pback = WhitePixel;
  95:             }
  96: 
  97:     if ((opt = XGetDefault(name, "MakeWindow.BorderWidth")) != NULL)
  98:         pbw = atoi (opt);
  99: 
 100:     if ((opt = XGetDefault(name, "MakeWindow.InternalBorder")) != NULL)
 101:         ibw = atoi (opt);
 102: 
 103:     if ((opt = XGetDefault(name, "MakeWindow.Freeze")) != NULL)
 104:         if (strcmp (opt, "on") == 0) freeze = 1;
 105: 
 106:     if (DisplayPlanes() > 2) { /* on color display, do color stuff */
 107: 
 108:         if ((opt = XGetDefault(name,"MakeWindow.Foreground")) != NULL)
 109:             if (XParseColor(opt, &cdef) && XGetHardwareColor(&cdef))
 110:             pfore = cdef.pixel;
 111: 
 112:         if ((opt = XGetDefault(name,"MakeWindow.Background")) != NULL)
 113:             if (XParseColor(opt, &cdef) && XGetHardwareColor(&cdef))
 114:             pback = cdef.pixel;
 115: 
 116:         if ((opt = XGetDefault(name,"MakeWindow.Border")) != NULL)
 117:             if (XParseColor(opt, &cdef) && XGetHardwareColor(&cdef))
 118:             bpix = cdef.pixel;
 119: 
 120:         if ((opt = XGetDefault(name,"MakeWindow.Mouse")) != NULL)
 121:             if (XParseColor(opt, &cdef) && XGetHardwareColor(&cdef))
 122:             mfore = cdef.pixel;
 123: 
 124:         if ((opt = XGetDefault(name,"MakeWindow.MouseMask")) != NULL)
 125:             if (XParseColor(opt, &cdef) && XGetHardwareColor(&cdef))
 126:             mback = cdef.pixel;
 127: 
 128:             }
 129: 
 130:     cr = XCreateCursor (cross_width, cross_height, cross_bits,
 131:         cross_mask_bits, cross_x_hot, cross_y_hot,
 132:         mfore, mback, GXcopy);
 133: 
 134:     events = ButtonPressed | ButtonReleased;
 135: 
 136:     if (freeze) events |= MouseMoved;
 137: 
 138:     /*
 139: 	 * go get the mouse as soon as you can
 140: 	 */
 141: 
 142:     while (1) {
 143:         if (XGrabMouse ( RootWindow, cr, events ) != 0) break;
 144:         sleep (1);
 145:         }
 146:     popw = XStringWidth (prompt, pfninfo, 0, 0) + 2 * ibw;
 147:     poph = pfninfo->height + 2 * ibw;
 148: 
 149:     if (freeze) {
 150:         XGrabServer();
 151:         count = FCOUNT;
 152:         save = XPixmapSave (RootWindow, 0, 0,
 153:             popw + 2 * pbw, poph +2 * pbw);
 154:         }
 155: 
 156:     backmap = XMakeTile (pback);
 157:     bdrmap = XMakeTile (bpix);
 158: 
 159:     pop = XCreateWindow (RootWindow,
 160:         0, 0, popw, poph, pbw, bdrmap, backmap);
 161:     XMapWindow( pop);
 162:     XText (pop, ibw, ibw, prompt, strlen(prompt),
 163:         pfninfo->id, pfore, pback);
 164: 
 165:     XQueryMouse (RootWindow, &x1, &y1, &subw);
 166: 
 167:     mindim = 2 * frame->bdrwidth - 1;
 168:     minwidth  = minwidth  + mindim;
 169:     minheight = minheight + mindim;
 170: 
 171:     x2 = x1 + minwidth;
 172:     y2 = y1 + minheight;
 173: 
 174:     width  = minwidth;
 175:     height = minheight;
 176: 
 177:     left = TRUE;
 178:     force = FALSE;
 179:     stop = FALSE;
 180:     mouse = TRUE;
 181: 
 182:     xa = ya = xb = yb = -1;
 183: 
 184:     doit = TRUE;
 185: 
 186:     while (stop == FALSE) {
 187:         if (  (xb != max (x1, x2)) || (yb != max(y1, y2))
 188:         ||(xa != min (x1, x2)) || (ya != min(y1, y2))) {
 189:         if (freeze && (doit == FALSE)) {
 190:             XDraw (RootWindow, box, count, 1, 1, 0, GXinvert, 1);
 191:             }
 192:         xa = min (x1, x2);
 193:         ya = min (y1, y2);
 194:         xb = max (x1, x2);
 195:         yb = max (y1, y2);
 196:         for ( i = 0; i < count; i += 4) {
 197:             box[i].x = xa; box[i].y = ya; box[i].flags = 0;
 198:             if (i+1 == count) break;
 199:             box[i+1].x = xb; box[i+1].y = ya, box[i+1].flags = 0;
 200:             box[i+2].x = xb; box[i+2].y = yb, box[i+2].flags = 0;
 201:             box[i+3].x = xa; box[i+3].y = yb, box[i+3].flags = 0;
 202:             }
 203:         doit = TRUE;
 204:         }
 205:         if (doit) {
 206:         XDraw(RootWindow, box, count, 1, 1, 0, GXinvert, 1);
 207:         doit = !freeze;
 208:         }
 209:         if (freeze || XPending() ) {
 210:         register int button;
 211:         XNextEvent(&event);
 212:         button = event.detail & ValueMask;
 213:         if (mouse) {
 214:             x2 = event.x;
 215:             y2 = event.y;
 216:             }
 217:         if ( (left == TRUE) && ( event.type == ButtonPressed ) &&
 218:             ( button == MiddleButton ) ) {
 219:             x1 = x2;
 220:             y1 = y2;
 221:             left = FALSE;
 222:             }
 223:         else if ( (left == FALSE) && (event.type == ButtonReleased) &&
 224:             ( button == MiddleButton))
 225:                     stop = TRUE;
 226:         else if ( (left == TRUE) && (event.type == ButtonPressed) &&
 227:             ( button == LeftButton)) {
 228:             x1 = frame->x;
 229:             y1 = frame->y;
 230:             x2 = x1 + frame->width + mindim;
 231:             y2 = y1 + frame->height + mindim;
 232:             mouse = FALSE;
 233:             left = FALSE;
 234:             }
 235:         else if ( (left == FALSE) && (event.type == ButtonReleased) &&
 236:             ( button == LeftButton)) {
 237:             x1 = frame->x;
 238:             y1 = frame->y;
 239:             x2 = x1 + frame->width + mindim;
 240:             y2 = y1 + frame->height + mindim;
 241:             stop = TRUE;
 242:             }
 243:         else if ( (left == TRUE) && (event.type == ButtonPressed) &&
 244:             ( button == RightButton)) {
 245:             force = TRUE;
 246:             left = FALSE;
 247:             }
 248:         else if ( (left == FALSE) && (event.type == ButtonReleased) &&
 249:             ( button == RightButton)) {
 250:             stop = TRUE;
 251:             }
 252:         else if (mouse) XQueryMouse (RootWindow, &x2, &y2, &subw);
 253:         }
 254:         else if (mouse) XQueryMouse (RootWindow, &x2, &y2, &subw);
 255: 
 256:         if (force) {    /* we force the default box */
 257:         x1 = x2;
 258:         y1 = y2;
 259:         x2 = x1 + frame->width + mindim;
 260:         y2 = y1 + frame->height + mindim;
 261:         }
 262: 
 263:         if (left) {
 264:         x1 = x2;
 265:         y1 = y2;
 266:         }
 267:         width = max (abs (x2 - x1), minwidth);
 268: 
 269:         if (x2 < x1) x2 = x1 - width;
 270:         else     x2 = x1 + width;
 271: 
 272:         height = max (abs (y2 - y1), minheight);
 273:         if (y2 < y1) y2 = y1 - height;
 274:         else     y2 = y1 + height;
 275:     }
 276:     if (freeze) XDraw (RootWindow, box, count, 1, 1, 0, GXinvert, 1);
 277:     XUngrabMouse();
 278: 
 279:     if (save != 0) {
 280:         XUnmapTransparent (pop);
 281:         XPixmapPut (RootWindow, 0, 0, 0, 0,
 282:             popw + 2 * pbw, poph + 2 * pbw,
 283:             save, GXcopy, AllPlanes);
 284:         XFreePixmap (save);
 285:         }
 286:     XDestroyWindow (pop);
 287:     if (freeze) XUngrabServer();
 288:     XCloseFont (pfninfo);
 289:     XFreeCursor (cr);
 290:     XFreePixmap (backmap);
 291:     XFreePixmap (bdrmap);
 292:     frame->x = min(x1, x2);
 293:     frame->y = min(y1, y2);
 294:     frame->width = width - mindim;
 295:     frame->height = height - mindim;
 296: makeit: XCreateWindows(RootWindow, frame, 1);
 297:     /* store default name of the window and set the resize hint */
 298:     XStoreName(frame->self, prompt);
 299:     XSetResizeHint(frame->self, minwidth, minheight, 1, 1);
 300:     XSync(1);       /* get rid of any extraneous events */
 301:     return (frame->self);
 302:     }

Defined functions

Defined macros