Mercurial > hg > xemacs-beta
annotate src/extw-Xt.c @ 5001:714d854d00e9
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| author | Ben Wing <ben@xemacs.org> |
|---|---|
| date | Sun, 07 Feb 2010 05:23:07 -0600 |
| parents | 4fbcce3f6097 |
| children | 2aa9cd456ae7 |
| rev | line source |
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| 0 | 1 /* Common code between client and shell widgets -- Xt only. |
| 2 Copyright (C) 1993, 1994 Sun Microsystems, Inc. | |
| 3 | |
| 4 This library is free software; you can redistribute it and/or | |
| 5 modify it under the terms of the GNU Library General Public | |
| 6 License as published by the Free Software Foundation; either | |
| 7 version 2 of the License, or (at your option) any later version. | |
| 8 | |
| 9 This library is distributed in the hope that it will be useful, | |
| 10 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 12 Library General Public License for more details. | |
| 13 | |
| 14 You should have received a copy of the GNU Library General Public | |
| 15 License along with this library; if not, write to | |
| 16 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 17 Boston, MA 02111-1307, USA. */ | |
| 18 | |
| 19 /* Synched up with: Not in FSF. */ | |
| 20 | |
| 21 /* Written by Ben Wing, September 1993. */ | |
| 22 | |
| 23 #ifdef emacs | |
| 24 | |
| 25 #include <config.h> | |
| 26 | |
| 27 #ifndef EXTERNAL_WIDGET | |
| 28 ERROR! This ought not be getting compiled if EXTERNAL_WIDGET is undefined | |
| 29 #endif | |
| 30 | |
| 2110 | 31 EXTERN_C void fatal (const char *fmt, ...); |
| 0 | 32 #else /* not emacs */ |
| 33 static void fatal (char *msg); | |
| 34 #endif | |
| 35 | |
| 36 #include <X11/Intrinsic.h> | |
| 37 #include <X11/IntrinsicP.h> | |
| 38 #include <stdlib.h> | |
| 39 #include <stdio.h> | |
|
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40 #include "compiler.h" |
| 0 | 41 #include "extw-Xt.h" |
| 42 | |
| 43 #ifdef DEBUG_WIDGET | |
| 44 | |
| 45 static int geom_masks[] = { | |
| 46 CWX, CWY, CWWidth, CWHeight, CWBorderWidth, CWSibling, CWStackMode, | |
| 47 XtCWQueryOnly }; | |
| 48 static char *geom_mask_strings[] = { | |
| 49 "CWX", "CWY", "CWWidth", "CWHeight", "CWBorderWidth", | |
| 50 "CWSibling", "CWStackMode", "XtCWQueryOnly" }; | |
| 51 static int stack_modes[] = { | |
| 52 Below, TopIf, BottomIf, Opposite, XtSMDontChange }; | |
| 53 static char *stack_mode_strings[] = { | |
| 54 "Below", "TopIf", "BottomIf", "Opposite", "XtSMDontChange" }; | |
| 55 | |
| 56 static void | |
| 57 print_geometry_structure(XtWidgetGeometry *xwg) | |
| 58 { | |
| 59 int num = sizeof(geom_masks)/sizeof(int); | |
| 60 int i; | |
| 2108 | 61 |
| 0 | 62 printf (" masks:"); |
| 63 for (i=0; i<num; i++) | |
| 64 if (xwg->request_mode & geom_masks[i]) | |
| 65 printf (" %s", geom_mask_strings[i]); | |
| 66 printf ("\n"); | |
| 67 printf (" x:%d y:%d\n", xwg->x, xwg->y); | |
| 68 printf (" width:%d height:%d border_width:%d\n", xwg->width, | |
| 69 xwg->height, xwg->border_width); | |
| 70 printf (" sibling: %x\n", xwg->sibling); | |
| 71 printf (" stack_mode: "); | |
| 72 for (i=0, num=sizeof(stack_modes)/sizeof(int); i<num; i++) | |
| 73 if (xwg->stack_mode == stack_modes[i]) { | |
| 74 printf ("%s", stack_mode_strings[i]); | |
| 75 break; | |
| 76 } | |
| 77 printf ("\n"); | |
| 78 } | |
| 79 | |
| 80 static void | |
| 81 print_geometry_result (XtGeometryResult res) | |
| 82 { | |
| 83 printf ("result: %s\n", | |
| 84 res == XtGeometryYes ? "XtGeometryYes" : | |
| 85 res == XtGeometryNo ? "XtGeometryNo" : | |
| 86 res == XtGeometryAlmost ? "XtGeometryAlmost" : | |
| 87 res == XtGeometryDone ? "XtGeometryDone" : | |
| 88 "unknown"); | |
| 89 } | |
| 90 | |
| 91 #endif | |
| 92 | |
| 93 #ifndef emacs | |
| 94 | |
| 95 static void | |
| 96 fatal (char *msg) | |
| 97 { | |
| 98 fprintf (stderr, "%s", msg); | |
| 99 exit (1); | |
| 100 } | |
| 101 | |
| 102 #endif | |
| 103 | |
| 104 /* put a geometry specification in the specified property on the window | |
| 105 of the specified widget, and send a notification message to tell the | |
| 106 client-side widget about this. */ | |
| 107 | |
| 108 void | |
| 109 extw_send_geometry_value(Display *display, Window win, Atom property, | |
| 110 en_extw_notify type, XtWidgetGeometry *xwg, | |
| 111 long data0) | |
| 112 { | |
| 113 if (xwg != NULL) | |
| 114 XChangeProperty(display, win, property, | |
| 115 a_EXTW_WIDGET_GEOMETRY, 32, PropModeReplace, | |
| 116 (unsigned char *) xwg, sizeof(*xwg)/sizeof(int)); | |
| 117 extw_send_notify_3(display, win, type, data0, 0, 0); | |
| 118 } | |
| 119 | |
| 120 /* get the geometry specification stored in the specified property of the | |
| 121 specified widget's window. */ | |
| 122 | |
| 123 void | |
| 124 extw_get_geometry_value(Display *display, Window win, Atom property, | |
| 125 XtWidgetGeometry *xwg) | |
| 126 { | |
| 127 Atom dummy; | |
| 128 int format; | |
| 129 unsigned long nitems, bytes_after; | |
| 130 unsigned char *prop; | |
| 2108 | 131 |
| 0 | 132 if (XGetWindowProperty(display, win, property, 0, |
| 133 sizeof(*xwg)/4, False, a_EXTW_WIDGET_GEOMETRY, | |
| 134 &dummy, &format, &nitems, &bytes_after, | |
| 135 &prop) != Success) | |
| 136 goto error; | |
| 137 if (format != 8*sizeof(int) || bytes_after) { | |
| 138 XFree((char *) prop); | |
| 139 goto error; | |
| 140 } | |
| 141 *xwg = * (XtWidgetGeometry *) prop; | |
| 142 return; | |
| 143 | |
| 144 error: | |
| 145 fatal("Unable to retrieve property for widget-geometry"); | |
| 146 #if 0 | |
| 147 XtAppErrorMsg(XtWidgetToApplicationContext((Widget)w), | |
| 148 "invalidProperty","get_geometry_value",XtCXtToolkitError, | |
| 149 "Unable to retrieve property for widget-geometry", | |
| 150 (String *)NULL, (Cardinal *)NULL); | |
| 151 #endif | |
| 152 } | |
| 153 | |
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154 typedef struct |
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155 { |
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156 Widget w; |
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157 unsigned long request_num; |
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158 en_extw_notify type; |
| 0 | 159 } QueryStruct; |
| 160 | |
| 161 /* check if an event is of the sort we're looking for */ | |
| 162 | |
| 163 static Bool | |
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164 isMine(XEvent *event, QueryStruct *q) |
| 0 | 165 { |
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166 Widget w = q->w; |
| 2108 | 167 |
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168 if ( (event->xany.display != XtDisplay(w)) || (event->xany.window != XtWindow(w)) ) |
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169 { |
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170 return FALSE; |
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171 } |
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172 if (event->xany.serial >= q->request_num) |
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173 { |
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174 if (event->type == ClientMessage && |
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175 event->xclient.message_type == a_EXTW_NOTIFY && |
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176 event->xclient.data.l[0] == 1 - extw_which_side && |
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177 event->xclient.data.l[1] == (int) q->type) |
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178 { |
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179 return TRUE; |
| 0 | 180 } |
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181 } |
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182 return FALSE; |
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183 } |
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184 |
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185 void responseTimeOut(XtPointer clientData, XtIntervalId * UNUSED (id)) |
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186 { |
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187 Bool *expired=(Bool *)clientData; |
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188 *expired=TRUE; |
| 0 | 189 } |
| 190 | |
| 191 /* wait for a ClientMessage of the specified type from the other widget, or | |
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192 time-out. isMine() determines whether an event matches. |
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193 Took out the call to _XtWaitForSomething and replaced it with public |
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194 Xt api's. |
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195 */ |
| 0 | 196 |
| 197 Bool | |
| 2108 | 198 extw_wait_for_response (Widget w, XEvent *event, unsigned long request_num, |
| 199 en_extw_notify type, unsigned long timeout) | |
| 0 | 200 { |
| 2108 | 201 XtAppContext app = XtWidgetToApplicationContext(w); |
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202 XtInputMask inputMask; |
| 2108 | 203 QueryStruct q; |
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204 Bool expired; |
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205 XtIntervalId id; |
| 2108 | 206 |
| 207 q.w = w; | |
| 208 q.request_num = request_num; | |
| 209 q.type = type; | |
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210 expired=FALSE; |
| 0 | 211 |
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212 id=XtAppAddTimeOut(app, timeout, responseTimeOut,&expired); |
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213 while (!expired) |
| 2108 | 214 { |
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215 inputMask=XtAppPending(app); |
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216 if (inputMask & XtIMXEvent) |
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217 { |
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218 XtAppNextEvent(app, event); |
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219 if (isMine(event,&q)) |
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220 { |
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221 if (!expired) XtRemoveTimeOut(id); |
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222 return True; |
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223 } |
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224 else |
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225 { |
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226 /* Do Nothing and go back to waiting */ |
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227 } |
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228 } |
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229 if (inputMask & XtIMTimer) |
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230 { |
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231 /* Process the expired timer */ |
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232 XtAppProcessEvent(app,XtIMTimer); |
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233 } |
| 2108 | 234 } |
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235 /* Must have expired */ |
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236 return False; |
| 0 | 237 } |