1 |
dashley |
25 |
/* $Header: /cvsroot/esrg/sfesrg/esrgpcpj/shared/tk_base/tkplace.c,v 1.1.1.1 2001/06/13 05:07:09 dtashley Exp $ */
|
2 |
|
|
|
3 |
|
|
/*
|
4 |
|
|
* tkPlace.c --
|
5 |
|
|
*
|
6 |
|
|
* This file contains code to implement a simple geometry manager
|
7 |
|
|
* for Tk based on absolute placement or "rubber-sheet" placement.
|
8 |
|
|
*
|
9 |
|
|
* Copyright (c) 1992-1994 The Regents of the University of California.
|
10 |
|
|
* Copyright (c) 1994-1997 Sun Microsystems, Inc.
|
11 |
|
|
*
|
12 |
|
|
* See the file "license.terms" for information on usage and redistribution
|
13 |
|
|
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
|
14 |
|
|
*
|
15 |
|
|
* RCS: @(#) $Id: tkplace.c,v 1.1.1.1 2001/06/13 05:07:09 dtashley Exp $
|
16 |
|
|
*/
|
17 |
|
|
|
18 |
|
|
#include "tkPort.h"
|
19 |
|
|
#include "tkInt.h"
|
20 |
|
|
|
21 |
|
|
/*
|
22 |
|
|
* Border modes for relative placement:
|
23 |
|
|
*
|
24 |
|
|
* BM_INSIDE: relative distances computed using area inside
|
25 |
|
|
* all borders of master window.
|
26 |
|
|
* BM_OUTSIDE: relative distances computed using outside area
|
27 |
|
|
* that includes all borders of master.
|
28 |
|
|
* BM_IGNORE: border issues are ignored: place relative to
|
29 |
|
|
* master's actual window size.
|
30 |
|
|
*/
|
31 |
|
|
|
32 |
|
|
typedef enum {BM_INSIDE, BM_OUTSIDE, BM_IGNORE} BorderMode;
|
33 |
|
|
|
34 |
|
|
/*
|
35 |
|
|
* For each window whose geometry is managed by the placer there is
|
36 |
|
|
* a structure of the following type:
|
37 |
|
|
*/
|
38 |
|
|
|
39 |
|
|
typedef struct Slave {
|
40 |
|
|
Tk_Window tkwin; /* Tk's token for window. */
|
41 |
|
|
struct Master *masterPtr; /* Pointer to information for window
|
42 |
|
|
* relative to which tkwin is placed.
|
43 |
|
|
* This isn't necessarily the logical
|
44 |
|
|
* parent of tkwin. NULL means the
|
45 |
|
|
* master was deleted or never assigned. */
|
46 |
|
|
struct Slave *nextPtr; /* Next in list of windows placed relative
|
47 |
|
|
* to same master (NULL for end of list). */
|
48 |
|
|
|
49 |
|
|
/*
|
50 |
|
|
* Geometry information for window; where there are both relative
|
51 |
|
|
* and absolute values for the same attribute (e.g. x and relX) only
|
52 |
|
|
* one of them is actually used, depending on flags.
|
53 |
|
|
*/
|
54 |
|
|
|
55 |
|
|
int x, y; /* X and Y pixel coordinates for tkwin. */
|
56 |
|
|
float relX, relY; /* X and Y coordinates relative to size of
|
57 |
|
|
* master. */
|
58 |
|
|
int width, height; /* Absolute dimensions for tkwin. */
|
59 |
|
|
float relWidth, relHeight; /* Dimensions for tkwin relative to size of
|
60 |
|
|
* master. */
|
61 |
|
|
Tk_Anchor anchor; /* Which point on tkwin is placed at the
|
62 |
|
|
* given position. */
|
63 |
|
|
BorderMode borderMode; /* How to treat borders of master window. */
|
64 |
|
|
int flags; /* Various flags; see below for bit
|
65 |
|
|
* definitions. */
|
66 |
|
|
} Slave;
|
67 |
|
|
|
68 |
|
|
/*
|
69 |
|
|
* Flag definitions for Slave structures:
|
70 |
|
|
*
|
71 |
|
|
* CHILD_WIDTH - 1 means -width was specified;
|
72 |
|
|
* CHILD_REL_WIDTH - 1 means -relwidth was specified.
|
73 |
|
|
* CHILD_HEIGHT - 1 means -height was specified;
|
74 |
|
|
* CHILD_REL_HEIGHT - 1 means -relheight was specified.
|
75 |
|
|
*/
|
76 |
|
|
|
77 |
|
|
#define CHILD_WIDTH 1
|
78 |
|
|
#define CHILD_REL_WIDTH 2
|
79 |
|
|
#define CHILD_HEIGHT 4
|
80 |
|
|
#define CHILD_REL_HEIGHT 8
|
81 |
|
|
|
82 |
|
|
/*
|
83 |
|
|
* For each master window that has a slave managed by the placer there
|
84 |
|
|
* is a structure of the following form:
|
85 |
|
|
*/
|
86 |
|
|
|
87 |
|
|
typedef struct Master {
|
88 |
|
|
Tk_Window tkwin; /* Tk's token for master window. */
|
89 |
|
|
struct Slave *slavePtr; /* First in linked list of slaves
|
90 |
|
|
* placed relative to this master. */
|
91 |
|
|
int flags; /* See below for bit definitions. */
|
92 |
|
|
} Master;
|
93 |
|
|
|
94 |
|
|
/*
|
95 |
|
|
* Flag definitions for masters:
|
96 |
|
|
*
|
97 |
|
|
* PARENT_RECONFIG_PENDING - 1 means that a call to RecomputePlacement
|
98 |
|
|
* is already pending via a Do_When_Idle handler.
|
99 |
|
|
*/
|
100 |
|
|
|
101 |
|
|
#define PARENT_RECONFIG_PENDING 1
|
102 |
|
|
|
103 |
|
|
/*
|
104 |
|
|
* The following structure is the official type record for the
|
105 |
|
|
* placer:
|
106 |
|
|
*/
|
107 |
|
|
|
108 |
|
|
static void PlaceRequestProc _ANSI_ARGS_((ClientData clientData,
|
109 |
|
|
Tk_Window tkwin));
|
110 |
|
|
static void PlaceLostSlaveProc _ANSI_ARGS_((ClientData clientData,
|
111 |
|
|
Tk_Window tkwin));
|
112 |
|
|
|
113 |
|
|
static Tk_GeomMgr placerType = {
|
114 |
|
|
"place", /* name */
|
115 |
|
|
PlaceRequestProc, /* requestProc */
|
116 |
|
|
PlaceLostSlaveProc, /* lostSlaveProc */
|
117 |
|
|
};
|
118 |
|
|
|
119 |
|
|
/*
|
120 |
|
|
* Forward declarations for procedures defined later in this file:
|
121 |
|
|
*/
|
122 |
|
|
|
123 |
|
|
static void SlaveStructureProc _ANSI_ARGS_((ClientData clientData,
|
124 |
|
|
XEvent *eventPtr));
|
125 |
|
|
static int ConfigureSlave _ANSI_ARGS_((Tcl_Interp *interp,
|
126 |
|
|
Slave *slavePtr, int argc, char **argv));
|
127 |
|
|
static Slave * FindSlave _ANSI_ARGS_((Tk_Window tkwin));
|
128 |
|
|
static Master * FindMaster _ANSI_ARGS_((Tk_Window tkwin));
|
129 |
|
|
static void MasterStructureProc _ANSI_ARGS_((ClientData clientData,
|
130 |
|
|
XEvent *eventPtr));
|
131 |
|
|
static void RecomputePlacement _ANSI_ARGS_((ClientData clientData));
|
132 |
|
|
static void UnlinkSlave _ANSI_ARGS_((Slave *slavePtr));
|
133 |
|
|
|
134 |
|
|
/*
|
135 |
|
|
*--------------------------------------------------------------
|
136 |
|
|
*
|
137 |
|
|
* Tk_PlaceCmd --
|
138 |
|
|
*
|
139 |
|
|
* This procedure is invoked to process the "place" Tcl
|
140 |
|
|
* commands. See the user documentation for details on
|
141 |
|
|
* what it does.
|
142 |
|
|
*
|
143 |
|
|
* Results:
|
144 |
|
|
* A standard Tcl result.
|
145 |
|
|
*
|
146 |
|
|
* Side effects:
|
147 |
|
|
* See the user documentation.
|
148 |
|
|
*
|
149 |
|
|
*--------------------------------------------------------------
|
150 |
|
|
*/
|
151 |
|
|
|
152 |
|
|
int
|
153 |
|
|
Tk_PlaceCmd(clientData, interp, argc, argv)
|
154 |
|
|
ClientData clientData; /* Main window associated with interpreter. */
|
155 |
|
|
Tcl_Interp *interp; /* Current interpreter. */
|
156 |
|
|
int argc; /* Number of arguments. */
|
157 |
|
|
char **argv; /* Argument strings. */
|
158 |
|
|
{
|
159 |
|
|
Tk_Window tkwin;
|
160 |
|
|
Slave *slavePtr;
|
161 |
|
|
Tcl_HashEntry *hPtr;
|
162 |
|
|
size_t length;
|
163 |
|
|
int c;
|
164 |
|
|
TkDisplay *dispPtr;
|
165 |
|
|
|
166 |
|
|
dispPtr = ((TkWindow *) clientData)->dispPtr;
|
167 |
|
|
|
168 |
|
|
/*
|
169 |
|
|
* Initialize, if that hasn't been done yet.
|
170 |
|
|
*/
|
171 |
|
|
|
172 |
|
|
if (!dispPtr->placeInit) {
|
173 |
|
|
Tcl_InitHashTable(&dispPtr->masterTable, TCL_ONE_WORD_KEYS);
|
174 |
|
|
Tcl_InitHashTable(&dispPtr->slaveTable, TCL_ONE_WORD_KEYS);
|
175 |
|
|
dispPtr->placeInit = 1;
|
176 |
|
|
}
|
177 |
|
|
|
178 |
|
|
if (argc < 3) {
|
179 |
|
|
Tcl_AppendResult(interp, "wrong # args: should be \"",
|
180 |
|
|
argv[0], " option|pathName args", (char *) NULL);
|
181 |
|
|
return TCL_ERROR;
|
182 |
|
|
}
|
183 |
|
|
c = argv[1][0];
|
184 |
|
|
length = strlen(argv[1]);
|
185 |
|
|
|
186 |
|
|
/*
|
187 |
|
|
* Handle special shortcut where window name is first argument.
|
188 |
|
|
*/
|
189 |
|
|
|
190 |
|
|
if (c == '.') {
|
191 |
|
|
tkwin = Tk_NameToWindow(interp, argv[1], (Tk_Window) clientData);
|
192 |
|
|
if (tkwin == NULL) {
|
193 |
|
|
return TCL_ERROR;
|
194 |
|
|
}
|
195 |
|
|
slavePtr = FindSlave(tkwin);
|
196 |
|
|
return ConfigureSlave(interp, slavePtr, argc-2, argv+2);
|
197 |
|
|
}
|
198 |
|
|
|
199 |
|
|
/*
|
200 |
|
|
* Handle more general case of option followed by window name followed
|
201 |
|
|
* by possible additional arguments.
|
202 |
|
|
*/
|
203 |
|
|
|
204 |
|
|
tkwin = Tk_NameToWindow(interp, argv[2], (Tk_Window) clientData);
|
205 |
|
|
if (tkwin == NULL) {
|
206 |
|
|
return TCL_ERROR;
|
207 |
|
|
}
|
208 |
|
|
if ((c == 'c') && (strncmp(argv[1], "configure", length) == 0)) {
|
209 |
|
|
if (argc < 5) {
|
210 |
|
|
Tcl_AppendResult(interp, "wrong # args: should be \"",
|
211 |
|
|
argv[0],
|
212 |
|
|
" configure pathName option value ?option value ...?\"",
|
213 |
|
|
(char *) NULL);
|
214 |
|
|
return TCL_ERROR;
|
215 |
|
|
}
|
216 |
|
|
slavePtr = FindSlave(tkwin);
|
217 |
|
|
return ConfigureSlave(interp, slavePtr, argc-3, argv+3);
|
218 |
|
|
} else if ((c == 'f') && (strncmp(argv[1], "forget", length) == 0)) {
|
219 |
|
|
if (argc != 3) {
|
220 |
|
|
Tcl_AppendResult(interp, "wrong # args: should be \"",
|
221 |
|
|
argv[0], " forget pathName\"", (char *) NULL);
|
222 |
|
|
return TCL_ERROR;
|
223 |
|
|
}
|
224 |
|
|
hPtr = Tcl_FindHashEntry(&dispPtr->slaveTable, (char *) tkwin);
|
225 |
|
|
if (hPtr == NULL) {
|
226 |
|
|
return TCL_OK;
|
227 |
|
|
}
|
228 |
|
|
slavePtr = (Slave *) Tcl_GetHashValue(hPtr);
|
229 |
|
|
if ((slavePtr->masterPtr != NULL) &&
|
230 |
|
|
(slavePtr->masterPtr->tkwin != Tk_Parent(slavePtr->tkwin))) {
|
231 |
|
|
Tk_UnmaintainGeometry(slavePtr->tkwin,
|
232 |
|
|
slavePtr->masterPtr->tkwin);
|
233 |
|
|
}
|
234 |
|
|
UnlinkSlave(slavePtr);
|
235 |
|
|
Tcl_DeleteHashEntry(hPtr);
|
236 |
|
|
Tk_DeleteEventHandler(tkwin, StructureNotifyMask, SlaveStructureProc,
|
237 |
|
|
(ClientData) slavePtr);
|
238 |
|
|
Tk_ManageGeometry(tkwin, (Tk_GeomMgr *) NULL, (ClientData) NULL);
|
239 |
|
|
Tk_UnmapWindow(tkwin);
|
240 |
|
|
ckfree((char *) slavePtr);
|
241 |
|
|
} else if ((c == 'i') && (strncmp(argv[1], "info", length) == 0)) {
|
242 |
|
|
char buffer[32 + TCL_INTEGER_SPACE];
|
243 |
|
|
|
244 |
|
|
if (argc != 3) {
|
245 |
|
|
Tcl_AppendResult(interp, "wrong # args: should be \"",
|
246 |
|
|
argv[0], " info pathName\"", (char *) NULL);
|
247 |
|
|
return TCL_ERROR;
|
248 |
|
|
}
|
249 |
|
|
hPtr = Tcl_FindHashEntry(&dispPtr->slaveTable, (char *) tkwin);
|
250 |
|
|
if (hPtr == NULL) {
|
251 |
|
|
return TCL_OK;
|
252 |
|
|
}
|
253 |
|
|
slavePtr = (Slave *) Tcl_GetHashValue(hPtr);
|
254 |
|
|
sprintf(buffer, "-x %d", slavePtr->x);
|
255 |
|
|
Tcl_AppendResult(interp, buffer, (char *) NULL);
|
256 |
|
|
sprintf(buffer, " -relx %.4g", slavePtr->relX);
|
257 |
|
|
Tcl_AppendResult(interp, buffer, (char *) NULL);
|
258 |
|
|
sprintf(buffer, " -y %d", slavePtr->y);
|
259 |
|
|
Tcl_AppendResult(interp, buffer, (char *) NULL);
|
260 |
|
|
sprintf(buffer, " -rely %.4g", slavePtr->relY);
|
261 |
|
|
Tcl_AppendResult(interp, buffer, (char *) NULL);
|
262 |
|
|
if (slavePtr->flags & CHILD_WIDTH) {
|
263 |
|
|
sprintf(buffer, " -width %d", slavePtr->width);
|
264 |
|
|
Tcl_AppendResult(interp, buffer, (char *) NULL);
|
265 |
|
|
} else {
|
266 |
|
|
Tcl_AppendResult(interp, " -width {}", (char *) NULL);
|
267 |
|
|
}
|
268 |
|
|
if (slavePtr->flags & CHILD_REL_WIDTH) {
|
269 |
|
|
sprintf(buffer, " -relwidth %.4g", slavePtr->relWidth);
|
270 |
|
|
Tcl_AppendResult(interp, buffer, (char *) NULL);
|
271 |
|
|
} else {
|
272 |
|
|
Tcl_AppendResult(interp, " -relwidth {}", (char *) NULL);
|
273 |
|
|
}
|
274 |
|
|
if (slavePtr->flags & CHILD_HEIGHT) {
|
275 |
|
|
sprintf(buffer, " -height %d", slavePtr->height);
|
276 |
|
|
Tcl_AppendResult(interp, buffer, (char *) NULL);
|
277 |
|
|
} else {
|
278 |
|
|
Tcl_AppendResult(interp, " -height {}", (char *) NULL);
|
279 |
|
|
}
|
280 |
|
|
if (slavePtr->flags & CHILD_REL_HEIGHT) {
|
281 |
|
|
sprintf(buffer, " -relheight %.4g", slavePtr->relHeight);
|
282 |
|
|
Tcl_AppendResult(interp, buffer, (char *) NULL);
|
283 |
|
|
} else {
|
284 |
|
|
Tcl_AppendResult(interp, " -relheight {}", (char *) NULL);
|
285 |
|
|
}
|
286 |
|
|
|
287 |
|
|
Tcl_AppendResult(interp, " -anchor ", Tk_NameOfAnchor(slavePtr->anchor),
|
288 |
|
|
(char *) NULL);
|
289 |
|
|
if (slavePtr->borderMode == BM_OUTSIDE) {
|
290 |
|
|
Tcl_AppendResult(interp, " -bordermode outside", (char *) NULL);
|
291 |
|
|
} else if (slavePtr->borderMode == BM_IGNORE) {
|
292 |
|
|
Tcl_AppendResult(interp, " -bordermode ignore", (char *) NULL);
|
293 |
|
|
}
|
294 |
|
|
if ((slavePtr->masterPtr != NULL)
|
295 |
|
|
&& (slavePtr->masterPtr->tkwin != Tk_Parent(slavePtr->tkwin))) {
|
296 |
|
|
Tcl_AppendResult(interp, " -in ",
|
297 |
|
|
Tk_PathName(slavePtr->masterPtr->tkwin), (char *) NULL);
|
298 |
|
|
}
|
299 |
|
|
} else if ((c == 's') && (strncmp(argv[1], "slaves", length) == 0)) {
|
300 |
|
|
if (argc != 3) {
|
301 |
|
|
Tcl_AppendResult(interp, "wrong # args: should be \"",
|
302 |
|
|
argv[0], " slaves pathName\"", (char *) NULL);
|
303 |
|
|
return TCL_ERROR;
|
304 |
|
|
}
|
305 |
|
|
hPtr = Tcl_FindHashEntry(&dispPtr->masterTable, (char *) tkwin);
|
306 |
|
|
if (hPtr != NULL) {
|
307 |
|
|
Master *masterPtr;
|
308 |
|
|
masterPtr = (Master *) Tcl_GetHashValue(hPtr);
|
309 |
|
|
for (slavePtr = masterPtr->slavePtr; slavePtr != NULL;
|
310 |
|
|
slavePtr = slavePtr->nextPtr) {
|
311 |
|
|
Tcl_AppendElement(interp, Tk_PathName(slavePtr->tkwin));
|
312 |
|
|
}
|
313 |
|
|
}
|
314 |
|
|
} else {
|
315 |
|
|
Tcl_AppendResult(interp, "unknown or ambiguous option \"", argv[1],
|
316 |
|
|
"\": must be configure, forget, info, or slaves",
|
317 |
|
|
(char *) NULL);
|
318 |
|
|
return TCL_ERROR;
|
319 |
|
|
}
|
320 |
|
|
return TCL_OK;
|
321 |
|
|
}
|
322 |
|
|
|
323 |
|
|
/*
|
324 |
|
|
*----------------------------------------------------------------------
|
325 |
|
|
*
|
326 |
|
|
* FindSlave --
|
327 |
|
|
*
|
328 |
|
|
* Given a Tk_Window token, find the Slave structure corresponding
|
329 |
|
|
* to that token (making a new one if necessary).
|
330 |
|
|
*
|
331 |
|
|
* Results:
|
332 |
|
|
* None.
|
333 |
|
|
*
|
334 |
|
|
* Side effects:
|
335 |
|
|
* A new Slave structure may be created.
|
336 |
|
|
*
|
337 |
|
|
*----------------------------------------------------------------------
|
338 |
|
|
*/
|
339 |
|
|
|
340 |
|
|
static Slave *
|
341 |
|
|
FindSlave(tkwin)
|
342 |
|
|
Tk_Window tkwin; /* Token for desired slave. */
|
343 |
|
|
{
|
344 |
|
|
Tcl_HashEntry *hPtr;
|
345 |
|
|
register Slave *slavePtr;
|
346 |
|
|
int new;
|
347 |
|
|
TkDisplay * dispPtr = ((TkWindow *) tkwin)->dispPtr;
|
348 |
|
|
|
349 |
|
|
hPtr = Tcl_CreateHashEntry(&dispPtr->slaveTable, (char *) tkwin, &new);
|
350 |
|
|
if (new) {
|
351 |
|
|
slavePtr = (Slave *) ckalloc(sizeof(Slave));
|
352 |
|
|
slavePtr->tkwin = tkwin;
|
353 |
|
|
slavePtr->masterPtr = NULL;
|
354 |
|
|
slavePtr->nextPtr = NULL;
|
355 |
|
|
slavePtr->x = slavePtr->y = 0;
|
356 |
|
|
slavePtr->relX = slavePtr->relY = (float) 0.0;
|
357 |
|
|
slavePtr->width = slavePtr->height = 0;
|
358 |
|
|
slavePtr->relWidth = slavePtr->relHeight = (float) 0.0;
|
359 |
|
|
slavePtr->anchor = TK_ANCHOR_NW;
|
360 |
|
|
slavePtr->borderMode = BM_INSIDE;
|
361 |
|
|
slavePtr->flags = 0;
|
362 |
|
|
Tcl_SetHashValue(hPtr, slavePtr);
|
363 |
|
|
Tk_CreateEventHandler(tkwin, StructureNotifyMask, SlaveStructureProc,
|
364 |
|
|
(ClientData) slavePtr);
|
365 |
|
|
Tk_ManageGeometry(tkwin, &placerType, (ClientData) slavePtr);
|
366 |
|
|
} else {
|
367 |
|
|
slavePtr = (Slave *) Tcl_GetHashValue(hPtr);
|
368 |
|
|
}
|
369 |
|
|
return slavePtr;
|
370 |
|
|
}
|
371 |
|
|
|
372 |
|
|
/*
|
373 |
|
|
*----------------------------------------------------------------------
|
374 |
|
|
*
|
375 |
|
|
* UnlinkSlave --
|
376 |
|
|
*
|
377 |
|
|
* This procedure removes a slave window from the chain of slaves
|
378 |
|
|
* in its master.
|
379 |
|
|
*
|
380 |
|
|
* Results:
|
381 |
|
|
* None.
|
382 |
|
|
*
|
383 |
|
|
* Side effects:
|
384 |
|
|
* The slave list of slavePtr's master changes.
|
385 |
|
|
*
|
386 |
|
|
*----------------------------------------------------------------------
|
387 |
|
|
*/
|
388 |
|
|
|
389 |
|
|
static void
|
390 |
|
|
UnlinkSlave(slavePtr)
|
391 |
|
|
Slave *slavePtr; /* Slave structure to be unlinked. */
|
392 |
|
|
{
|
393 |
|
|
register Master *masterPtr;
|
394 |
|
|
register Slave *prevPtr;
|
395 |
|
|
|
396 |
|
|
masterPtr = slavePtr->masterPtr;
|
397 |
|
|
if (masterPtr == NULL) {
|
398 |
|
|
return;
|
399 |
|
|
}
|
400 |
|
|
if (masterPtr->slavePtr == slavePtr) {
|
401 |
|
|
masterPtr->slavePtr = slavePtr->nextPtr;
|
402 |
|
|
} else {
|
403 |
|
|
for (prevPtr = masterPtr->slavePtr; ;
|
404 |
|
|
prevPtr = prevPtr->nextPtr) {
|
405 |
|
|
if (prevPtr == NULL) {
|
406 |
|
|
panic("UnlinkSlave couldn't find slave to unlink");
|
407 |
|
|
}
|
408 |
|
|
if (prevPtr->nextPtr == slavePtr) {
|
409 |
|
|
prevPtr->nextPtr = slavePtr->nextPtr;
|
410 |
|
|
break;
|
411 |
|
|
}
|
412 |
|
|
}
|
413 |
|
|
}
|
414 |
|
|
slavePtr->masterPtr = NULL;
|
415 |
|
|
}
|
416 |
|
|
|
417 |
|
|
/*
|
418 |
|
|
*----------------------------------------------------------------------
|
419 |
|
|
*
|
420 |
|
|
* FindMaster --
|
421 |
|
|
*
|
422 |
|
|
* Given a Tk_Window token, find the Master structure corresponding
|
423 |
|
|
* to that token (making a new one if necessary).
|
424 |
|
|
*
|
425 |
|
|
* Results:
|
426 |
|
|
* None.
|
427 |
|
|
*
|
428 |
|
|
* Side effects:
|
429 |
|
|
* A new Master structure may be created.
|
430 |
|
|
*
|
431 |
|
|
*----------------------------------------------------------------------
|
432 |
|
|
*/
|
433 |
|
|
|
434 |
|
|
static Master *
|
435 |
|
|
FindMaster(tkwin)
|
436 |
|
|
Tk_Window tkwin; /* Token for desired master. */
|
437 |
|
|
{
|
438 |
|
|
Tcl_HashEntry *hPtr;
|
439 |
|
|
register Master *masterPtr;
|
440 |
|
|
int new;
|
441 |
|
|
TkDisplay * dispPtr = ((TkWindow *) tkwin)->dispPtr;
|
442 |
|
|
|
443 |
|
|
hPtr = Tcl_CreateHashEntry(&dispPtr->masterTable, (char *) tkwin, &new);
|
444 |
|
|
if (new) {
|
445 |
|
|
masterPtr = (Master *) ckalloc(sizeof(Master));
|
446 |
|
|
masterPtr->tkwin = tkwin;
|
447 |
|
|
masterPtr->slavePtr = NULL;
|
448 |
|
|
masterPtr->flags = 0;
|
449 |
|
|
Tcl_SetHashValue(hPtr, masterPtr);
|
450 |
|
|
Tk_CreateEventHandler(masterPtr->tkwin, StructureNotifyMask,
|
451 |
|
|
MasterStructureProc, (ClientData) masterPtr);
|
452 |
|
|
} else {
|
453 |
|
|
masterPtr = (Master *) Tcl_GetHashValue(hPtr);
|
454 |
|
|
}
|
455 |
|
|
return masterPtr;
|
456 |
|
|
}
|
457 |
|
|
|
458 |
|
|
/*
|
459 |
|
|
*----------------------------------------------------------------------
|
460 |
|
|
*
|
461 |
|
|
* ConfigureSlave --
|
462 |
|
|
*
|
463 |
|
|
* This procedure is called to process an argv/argc list to
|
464 |
|
|
* reconfigure the placement of a window.
|
465 |
|
|
*
|
466 |
|
|
* Results:
|
467 |
|
|
* A standard Tcl result. If an error occurs then a message is
|
468 |
|
|
* left in the interp's result.
|
469 |
|
|
*
|
470 |
|
|
* Side effects:
|
471 |
|
|
* Information in slavePtr may change, and slavePtr's master is
|
472 |
|
|
* scheduled for reconfiguration.
|
473 |
|
|
*
|
474 |
|
|
*----------------------------------------------------------------------
|
475 |
|
|
*/
|
476 |
|
|
|
477 |
|
|
static int
|
478 |
|
|
ConfigureSlave(interp, slavePtr, argc, argv)
|
479 |
|
|
Tcl_Interp *interp; /* Used for error reporting. */
|
480 |
|
|
Slave *slavePtr; /* Pointer to current information
|
481 |
|
|
* about slave. */
|
482 |
|
|
int argc; /* Number of config arguments. */
|
483 |
|
|
char **argv; /* String values for arguments. */
|
484 |
|
|
{
|
485 |
|
|
register Master *masterPtr;
|
486 |
|
|
int c, result;
|
487 |
|
|
size_t length;
|
488 |
|
|
double d;
|
489 |
|
|
|
490 |
|
|
result = TCL_OK;
|
491 |
|
|
if (Tk_IsTopLevel(slavePtr->tkwin)) {
|
492 |
|
|
Tcl_AppendResult(interp, "can't use placer on top-level window \"",
|
493 |
|
|
Tk_PathName(slavePtr->tkwin), "\"; use wm command instead",
|
494 |
|
|
(char *) NULL);
|
495 |
|
|
return TCL_ERROR;
|
496 |
|
|
}
|
497 |
|
|
for ( ; argc > 0; argc -= 2, argv += 2) {
|
498 |
|
|
if (argc < 2) {
|
499 |
|
|
Tcl_AppendResult(interp, "extra option \"", argv[0],
|
500 |
|
|
"\" (option with no value?)", (char *) NULL);
|
501 |
|
|
result = TCL_ERROR;
|
502 |
|
|
goto done;
|
503 |
|
|
}
|
504 |
|
|
length = strlen(argv[0]);
|
505 |
|
|
c = argv[0][1];
|
506 |
|
|
if ((c == 'a') && (strncmp(argv[0], "-anchor", length) == 0)) {
|
507 |
|
|
if (Tk_GetAnchor(interp, argv[1], &slavePtr->anchor) != TCL_OK) {
|
508 |
|
|
result = TCL_ERROR;
|
509 |
|
|
goto done;
|
510 |
|
|
}
|
511 |
|
|
} else if ((c == 'b')
|
512 |
|
|
&& (strncmp(argv[0], "-bordermode", length) == 0)) {
|
513 |
|
|
c = argv[1][0];
|
514 |
|
|
length = strlen(argv[1]);
|
515 |
|
|
if ((c == 'i') && (strncmp(argv[1], "ignore", length) == 0)
|
516 |
|
|
&& (length >= 2)) {
|
517 |
|
|
slavePtr->borderMode = BM_IGNORE;
|
518 |
|
|
} else if ((c == 'i') && (strncmp(argv[1], "inside", length) == 0)
|
519 |
|
|
&& (length >= 2)) {
|
520 |
|
|
slavePtr->borderMode = BM_INSIDE;
|
521 |
|
|
} else if ((c == 'o')
|
522 |
|
|
&& (strncmp(argv[1], "outside", length) == 0)) {
|
523 |
|
|
slavePtr->borderMode = BM_OUTSIDE;
|
524 |
|
|
} else {
|
525 |
|
|
Tcl_AppendResult(interp, "bad border mode \"", argv[1],
|
526 |
|
|
"\": must be ignore, inside, or outside",
|
527 |
|
|
(char *) NULL);
|
528 |
|
|
result = TCL_ERROR;
|
529 |
|
|
goto done;
|
530 |
|
|
}
|
531 |
|
|
} else if ((c == 'h') && (strncmp(argv[0], "-height", length) == 0)) {
|
532 |
|
|
if (argv[1][0] == 0) {
|
533 |
|
|
slavePtr->flags &= ~CHILD_HEIGHT;
|
534 |
|
|
} else {
|
535 |
|
|
if (Tk_GetPixels(interp, slavePtr->tkwin, argv[1],
|
536 |
|
|
&slavePtr->height) != TCL_OK) {
|
537 |
|
|
result = TCL_ERROR;
|
538 |
|
|
goto done;
|
539 |
|
|
}
|
540 |
|
|
slavePtr->flags |= CHILD_HEIGHT;
|
541 |
|
|
}
|
542 |
|
|
} else if ((c == 'i') && (strncmp(argv[0], "-in", length) == 0)) {
|
543 |
|
|
Tk_Window tkwin;
|
544 |
|
|
Tk_Window ancestor;
|
545 |
|
|
|
546 |
|
|
tkwin = Tk_NameToWindow(interp, argv[1], slavePtr->tkwin);
|
547 |
|
|
if (tkwin == NULL) {
|
548 |
|
|
result = TCL_ERROR;
|
549 |
|
|
goto done;
|
550 |
|
|
}
|
551 |
|
|
|
552 |
|
|
/*
|
553 |
|
|
* Make sure that the new master is either the logical parent
|
554 |
|
|
* of the slave or a descendant of that window, and that the
|
555 |
|
|
* master and slave aren't the same.
|
556 |
|
|
*/
|
557 |
|
|
|
558 |
|
|
for (ancestor = tkwin; ; ancestor = Tk_Parent(ancestor)) {
|
559 |
|
|
if (ancestor == Tk_Parent(slavePtr->tkwin)) {
|
560 |
|
|
break;
|
561 |
|
|
}
|
562 |
|
|
if (Tk_IsTopLevel(ancestor)) {
|
563 |
|
|
Tcl_AppendResult(interp, "can't place ",
|
564 |
|
|
Tk_PathName(slavePtr->tkwin), " relative to ",
|
565 |
|
|
Tk_PathName(tkwin), (char *) NULL);
|
566 |
|
|
result = TCL_ERROR;
|
567 |
|
|
goto done;
|
568 |
|
|
}
|
569 |
|
|
}
|
570 |
|
|
if (slavePtr->tkwin == tkwin) {
|
571 |
|
|
Tcl_AppendResult(interp, "can't place ",
|
572 |
|
|
Tk_PathName(slavePtr->tkwin), " relative to itself",
|
573 |
|
|
(char *) NULL);
|
574 |
|
|
result = TCL_ERROR;
|
575 |
|
|
goto done;
|
576 |
|
|
}
|
577 |
|
|
if ((slavePtr->masterPtr != NULL)
|
578 |
|
|
&& (slavePtr->masterPtr->tkwin == tkwin)) {
|
579 |
|
|
/*
|
580 |
|
|
* Re-using same old master. Nothing to do.
|
581 |
|
|
*/
|
582 |
|
|
} else {
|
583 |
|
|
if ((slavePtr->masterPtr != NULL)
|
584 |
|
|
&& (slavePtr->masterPtr->tkwin
|
585 |
|
|
!= Tk_Parent(slavePtr->tkwin))) {
|
586 |
|
|
Tk_UnmaintainGeometry(slavePtr->tkwin,
|
587 |
|
|
slavePtr->masterPtr->tkwin);
|
588 |
|
|
}
|
589 |
|
|
UnlinkSlave(slavePtr);
|
590 |
|
|
slavePtr->masterPtr = FindMaster(tkwin);
|
591 |
|
|
slavePtr->nextPtr = slavePtr->masterPtr->slavePtr;
|
592 |
|
|
slavePtr->masterPtr->slavePtr = slavePtr;
|
593 |
|
|
}
|
594 |
|
|
} else if ((c == 'r') && (strncmp(argv[0], "-relheight", length) == 0)
|
595 |
|
|
&& (length >= 5)) {
|
596 |
|
|
if (argv[1][0] == 0) {
|
597 |
|
|
slavePtr->flags &= ~CHILD_REL_HEIGHT;
|
598 |
|
|
} else {
|
599 |
|
|
if (Tcl_GetDouble(interp, argv[1], &d) != TCL_OK) {
|
600 |
|
|
result = TCL_ERROR;
|
601 |
|
|
goto done;
|
602 |
|
|
}
|
603 |
|
|
slavePtr->relHeight = (float) d;
|
604 |
|
|
slavePtr->flags |= CHILD_REL_HEIGHT;
|
605 |
|
|
}
|
606 |
|
|
} else if ((c == 'r') && (strncmp(argv[0], "-relwidth", length) == 0)
|
607 |
|
|
&& (length >= 5)) {
|
608 |
|
|
if (argv[1][0] == 0) {
|
609 |
|
|
slavePtr->flags &= ~CHILD_REL_WIDTH;
|
610 |
|
|
} else {
|
611 |
|
|
if (Tcl_GetDouble(interp, argv[1], &d) != TCL_OK) {
|
612 |
|
|
result = TCL_ERROR;
|
613 |
|
|
goto done;
|
614 |
|
|
}
|
615 |
|
|
slavePtr->relWidth = (float) d;
|
616 |
|
|
slavePtr->flags |= CHILD_REL_WIDTH;
|
617 |
|
|
}
|
618 |
|
|
} else if ((c == 'r') && (strncmp(argv[0], "-relx", length) == 0)
|
619 |
|
|
&& (length >= 5)) {
|
620 |
|
|
if (Tcl_GetDouble(interp, argv[1], &d) != TCL_OK) {
|
621 |
|
|
result = TCL_ERROR;
|
622 |
|
|
goto done;
|
623 |
|
|
}
|
624 |
|
|
slavePtr->relX = (float) d;
|
625 |
|
|
} else if ((c == 'r') && (strncmp(argv[0], "-rely", length) == 0)
|
626 |
|
|
&& (length >= 5)) {
|
627 |
|
|
if (Tcl_GetDouble(interp, argv[1], &d) != TCL_OK) {
|
628 |
|
|
result = TCL_ERROR;
|
629 |
|
|
goto done;
|
630 |
|
|
}
|
631 |
|
|
slavePtr->relY = (float) d;
|
632 |
|
|
} else if ((c == 'w') && (strncmp(argv[0], "-width", length) == 0)) {
|
633 |
|
|
if (argv[1][0] == 0) {
|
634 |
|
|
slavePtr->flags &= ~CHILD_WIDTH;
|
635 |
|
|
} else {
|
636 |
|
|
if (Tk_GetPixels(interp, slavePtr->tkwin, argv[1],
|
637 |
|
|
&slavePtr->width) != TCL_OK) {
|
638 |
|
|
result = TCL_ERROR;
|
639 |
|
|
goto done;
|
640 |
|
|
}
|
641 |
|
|
slavePtr->flags |= CHILD_WIDTH;
|
642 |
|
|
}
|
643 |
|
|
} else if ((c == 'x') && (strncmp(argv[0], "-x", length) == 0)) {
|
644 |
|
|
if (Tk_GetPixels(interp, slavePtr->tkwin, argv[1],
|
645 |
|
|
&slavePtr->x) != TCL_OK) {
|
646 |
|
|
result = TCL_ERROR;
|
647 |
|
|
goto done;
|
648 |
|
|
}
|
649 |
|
|
} else if ((c == 'y') && (strncmp(argv[0], "-y", length) == 0)) {
|
650 |
|
|
if (Tk_GetPixels(interp, slavePtr->tkwin, argv[1],
|
651 |
|
|
&slavePtr->y) != TCL_OK) {
|
652 |
|
|
result = TCL_ERROR;
|
653 |
|
|
goto done;
|
654 |
|
|
}
|
655 |
|
|
} else {
|
656 |
|
|
Tcl_AppendResult(interp, "unknown or ambiguous option \"",
|
657 |
|
|
argv[0], "\": must be -anchor, -bordermode, -height, ",
|
658 |
|
|
"-in, -relheight, -relwidth, -relx, -rely, -width, ",
|
659 |
|
|
"-x, or -y", (char *) NULL);
|
660 |
|
|
result = TCL_ERROR;
|
661 |
|
|
goto done;
|
662 |
|
|
}
|
663 |
|
|
}
|
664 |
|
|
|
665 |
|
|
/*
|
666 |
|
|
* If there's no master specified for this slave, use its Tk_Parent.
|
667 |
|
|
* Then arrange for a placement recalculation in the master.
|
668 |
|
|
*/
|
669 |
|
|
|
670 |
|
|
done:
|
671 |
|
|
masterPtr = slavePtr->masterPtr;
|
672 |
|
|
if (masterPtr == NULL) {
|
673 |
|
|
masterPtr = FindMaster(Tk_Parent(slavePtr->tkwin));
|
674 |
|
|
slavePtr->masterPtr = masterPtr;
|
675 |
|
|
slavePtr->nextPtr = masterPtr->slavePtr;
|
676 |
|
|
masterPtr->slavePtr = slavePtr;
|
677 |
|
|
}
|
678 |
|
|
if (!(masterPtr->flags & PARENT_RECONFIG_PENDING)) {
|
679 |
|
|
masterPtr->flags |= PARENT_RECONFIG_PENDING;
|
680 |
|
|
Tcl_DoWhenIdle(RecomputePlacement, (ClientData) masterPtr);
|
681 |
|
|
}
|
682 |
|
|
return result;
|
683 |
|
|
}
|
684 |
|
|
|
685 |
|
|
/*
|
686 |
|
|
*----------------------------------------------------------------------
|
687 |
|
|
*
|
688 |
|
|
* RecomputePlacement --
|
689 |
|
|
*
|
690 |
|
|
* This procedure is called as a when-idle handler. It recomputes
|
691 |
|
|
* the geometries of all the slaves of a given master.
|
692 |
|
|
*
|
693 |
|
|
* Results:
|
694 |
|
|
* None.
|
695 |
|
|
*
|
696 |
|
|
* Side effects:
|
697 |
|
|
* Windows may change size or shape.
|
698 |
|
|
*
|
699 |
|
|
*----------------------------------------------------------------------
|
700 |
|
|
*/
|
701 |
|
|
|
702 |
|
|
static void
|
703 |
|
|
RecomputePlacement(clientData)
|
704 |
|
|
ClientData clientData; /* Pointer to Master record. */
|
705 |
|
|
{
|
706 |
|
|
register Master *masterPtr = (Master *) clientData;
|
707 |
|
|
register Slave *slavePtr;
|
708 |
|
|
int x, y, width, height, tmp;
|
709 |
|
|
int masterWidth, masterHeight, masterBW;
|
710 |
|
|
double x1, y1, x2, y2;
|
711 |
|
|
|
712 |
|
|
masterPtr->flags &= ~PARENT_RECONFIG_PENDING;
|
713 |
|
|
|
714 |
|
|
/*
|
715 |
|
|
* Iterate over all the slaves for the master. Each slave's
|
716 |
|
|
* geometry can be computed independently of the other slaves.
|
717 |
|
|
*/
|
718 |
|
|
|
719 |
|
|
for (slavePtr = masterPtr->slavePtr; slavePtr != NULL;
|
720 |
|
|
slavePtr = slavePtr->nextPtr) {
|
721 |
|
|
/*
|
722 |
|
|
* Step 1: compute size and borderwidth of master, taking into
|
723 |
|
|
* account desired border mode.
|
724 |
|
|
*/
|
725 |
|
|
|
726 |
|
|
masterBW = 0;
|
727 |
|
|
masterWidth = Tk_Width(masterPtr->tkwin);
|
728 |
|
|
masterHeight = Tk_Height(masterPtr->tkwin);
|
729 |
|
|
if (slavePtr->borderMode == BM_INSIDE) {
|
730 |
|
|
masterBW = Tk_InternalBorderWidth(masterPtr->tkwin);
|
731 |
|
|
} else if (slavePtr->borderMode == BM_OUTSIDE) {
|
732 |
|
|
masterBW = -Tk_Changes(masterPtr->tkwin)->border_width;
|
733 |
|
|
}
|
734 |
|
|
masterWidth -= 2*masterBW;
|
735 |
|
|
masterHeight -= 2*masterBW;
|
736 |
|
|
|
737 |
|
|
/*
|
738 |
|
|
* Step 2: compute size of slave (outside dimensions including
|
739 |
|
|
* border) and location of anchor point within master.
|
740 |
|
|
*/
|
741 |
|
|
|
742 |
|
|
x1 = slavePtr->x + masterBW + (slavePtr->relX*masterWidth);
|
743 |
|
|
x = (int) (x1 + ((x1 > 0) ? 0.5 : -0.5));
|
744 |
|
|
y1 = slavePtr->y + masterBW + (slavePtr->relY*masterHeight);
|
745 |
|
|
y = (int) (y1 + ((y1 > 0) ? 0.5 : -0.5));
|
746 |
|
|
if (slavePtr->flags & (CHILD_WIDTH|CHILD_REL_WIDTH)) {
|
747 |
|
|
width = 0;
|
748 |
|
|
if (slavePtr->flags & CHILD_WIDTH) {
|
749 |
|
|
width += slavePtr->width;
|
750 |
|
|
}
|
751 |
|
|
if (slavePtr->flags & CHILD_REL_WIDTH) {
|
752 |
|
|
/*
|
753 |
|
|
* The code below is a bit tricky. In order to round
|
754 |
|
|
* correctly when both relX and relWidth are specified,
|
755 |
|
|
* compute the location of the right edge and round that,
|
756 |
|
|
* then compute width. If we compute the width and round
|
757 |
|
|
* it, rounding errors in relX and relWidth accumulate.
|
758 |
|
|
*/
|
759 |
|
|
|
760 |
|
|
x2 = x1 + (slavePtr->relWidth*masterWidth);
|
761 |
|
|
tmp = (int) (x2 + ((x2 > 0) ? 0.5 : -0.5));
|
762 |
|
|
width += tmp - x;
|
763 |
|
|
}
|
764 |
|
|
} else {
|
765 |
|
|
width = Tk_ReqWidth(slavePtr->tkwin)
|
766 |
|
|
+ 2*Tk_Changes(slavePtr->tkwin)->border_width;
|
767 |
|
|
}
|
768 |
|
|
if (slavePtr->flags & (CHILD_HEIGHT|CHILD_REL_HEIGHT)) {
|
769 |
|
|
height = 0;
|
770 |
|
|
if (slavePtr->flags & CHILD_HEIGHT) {
|
771 |
|
|
height += slavePtr->height;
|
772 |
|
|
}
|
773 |
|
|
if (slavePtr->flags & CHILD_REL_HEIGHT) {
|
774 |
|
|
/*
|
775 |
|
|
* See note above for rounding errors in width computation.
|
776 |
|
|
*/
|
777 |
|
|
|
778 |
|
|
y2 = y1 + (slavePtr->relHeight*masterHeight);
|
779 |
|
|
tmp = (int) (y2 + ((y2 > 0) ? 0.5 : -0.5));
|
780 |
|
|
height += tmp - y;
|
781 |
|
|
}
|
782 |
|
|
} else {
|
783 |
|
|
height = Tk_ReqHeight(slavePtr->tkwin)
|
784 |
|
|
+ 2*Tk_Changes(slavePtr->tkwin)->border_width;
|
785 |
|
|
}
|
786 |
|
|
|
787 |
|
|
/*
|
788 |
|
|
* Step 3: adjust the x and y positions so that the desired
|
789 |
|
|
* anchor point on the slave appears at that position. Also
|
790 |
|
|
* adjust for the border mode and master's border.
|
791 |
|
|
*/
|
792 |
|
|
|
793 |
|
|
switch (slavePtr->anchor) {
|
794 |
|
|
case TK_ANCHOR_N:
|
795 |
|
|
x -= width/2;
|
796 |
|
|
break;
|
797 |
|
|
case TK_ANCHOR_NE:
|
798 |
|
|
x -= width;
|
799 |
|
|
break;
|
800 |
|
|
case TK_ANCHOR_E:
|
801 |
|
|
x -= width;
|
802 |
|
|
y -= height/2;
|
803 |
|
|
break;
|
804 |
|
|
case TK_ANCHOR_SE:
|
805 |
|
|
x -= width;
|
806 |
|
|
y -= height;
|
807 |
|
|
break;
|
808 |
|
|
case TK_ANCHOR_S:
|
809 |
|
|
x -= width/2;
|
810 |
|
|
y -= height;
|
811 |
|
|
break;
|
812 |
|
|
case TK_ANCHOR_SW:
|
813 |
|
|
y -= height;
|
814 |
|
|
break;
|
815 |
|
|
case TK_ANCHOR_W:
|
816 |
|
|
y -= height/2;
|
817 |
|
|
break;
|
818 |
|
|
case TK_ANCHOR_NW:
|
819 |
|
|
break;
|
820 |
|
|
case TK_ANCHOR_CENTER:
|
821 |
|
|
x -= width/2;
|
822 |
|
|
y -= height/2;
|
823 |
|
|
break;
|
824 |
|
|
}
|
825 |
|
|
|
826 |
|
|
/*
|
827 |
|
|
* Step 4: adjust width and height again to reflect inside dimensions
|
828 |
|
|
* of window rather than outside. Also make sure that the width and
|
829 |
|
|
* height aren't zero.
|
830 |
|
|
*/
|
831 |
|
|
|
832 |
|
|
width -= 2*Tk_Changes(slavePtr->tkwin)->border_width;
|
833 |
|
|
height -= 2*Tk_Changes(slavePtr->tkwin)->border_width;
|
834 |
|
|
if (width <= 0) {
|
835 |
|
|
width = 1;
|
836 |
|
|
}
|
837 |
|
|
if (height <= 0) {
|
838 |
|
|
height = 1;
|
839 |
|
|
}
|
840 |
|
|
|
841 |
|
|
/*
|
842 |
|
|
* Step 5: reconfigure the window and map it if needed. If the
|
843 |
|
|
* slave is a child of the master, we do this ourselves. If the
|
844 |
|
|
* slave isn't a child of the master, let Tk_MaintainGeometry do
|
845 |
|
|
* the work (it will re-adjust things as relevant windows map,
|
846 |
|
|
* unmap, and move).
|
847 |
|
|
*/
|
848 |
|
|
|
849 |
|
|
if (masterPtr->tkwin == Tk_Parent(slavePtr->tkwin)) {
|
850 |
|
|
if ((x != Tk_X(slavePtr->tkwin))
|
851 |
|
|
|| (y != Tk_Y(slavePtr->tkwin))
|
852 |
|
|
|| (width != Tk_Width(slavePtr->tkwin))
|
853 |
|
|
|| (height != Tk_Height(slavePtr->tkwin))) {
|
854 |
|
|
Tk_MoveResizeWindow(slavePtr->tkwin, x, y, width, height);
|
855 |
|
|
}
|
856 |
|
|
|
857 |
|
|
/*
|
858 |
|
|
* Don't map the slave unless the master is mapped: the slave
|
859 |
|
|
* will get mapped later, when the master is mapped.
|
860 |
|
|
*/
|
861 |
|
|
|
862 |
|
|
if (Tk_IsMapped(masterPtr->tkwin)) {
|
863 |
|
|
Tk_MapWindow(slavePtr->tkwin);
|
864 |
|
|
}
|
865 |
|
|
} else {
|
866 |
|
|
if ((width <= 0) || (height <= 0)) {
|
867 |
|
|
Tk_UnmaintainGeometry(slavePtr->tkwin, masterPtr->tkwin);
|
868 |
|
|
Tk_UnmapWindow(slavePtr->tkwin);
|
869 |
|
|
} else {
|
870 |
|
|
Tk_MaintainGeometry(slavePtr->tkwin, masterPtr->tkwin,
|
871 |
|
|
x, y, width, height);
|
872 |
|
|
}
|
873 |
|
|
}
|
874 |
|
|
}
|
875 |
|
|
}
|
876 |
|
|
|
877 |
|
|
/*
|
878 |
|
|
*----------------------------------------------------------------------
|
879 |
|
|
*
|
880 |
|
|
* MasterStructureProc --
|
881 |
|
|
*
|
882 |
|
|
* This procedure is invoked by the Tk event handler when
|
883 |
|
|
* StructureNotify events occur for a master window.
|
884 |
|
|
*
|
885 |
|
|
* Results:
|
886 |
|
|
* None.
|
887 |
|
|
*
|
888 |
|
|
* Side effects:
|
889 |
|
|
* Structures get cleaned up if the window was deleted. If the
|
890 |
|
|
* window was resized then slave geometries get recomputed.
|
891 |
|
|
*
|
892 |
|
|
*----------------------------------------------------------------------
|
893 |
|
|
*/
|
894 |
|
|
|
895 |
|
|
static void
|
896 |
|
|
MasterStructureProc(clientData, eventPtr)
|
897 |
|
|
ClientData clientData; /* Pointer to Master structure for window
|
898 |
|
|
* referred to by eventPtr. */
|
899 |
|
|
XEvent *eventPtr; /* Describes what just happened. */
|
900 |
|
|
{
|
901 |
|
|
register Master *masterPtr = (Master *) clientData;
|
902 |
|
|
register Slave *slavePtr, *nextPtr;
|
903 |
|
|
TkDisplay *dispPtr = ((TkWindow *) masterPtr->tkwin)->dispPtr;
|
904 |
|
|
|
905 |
|
|
if (eventPtr->type == ConfigureNotify) {
|
906 |
|
|
if ((masterPtr->slavePtr != NULL)
|
907 |
|
|
&& !(masterPtr->flags & PARENT_RECONFIG_PENDING)) {
|
908 |
|
|
masterPtr->flags |= PARENT_RECONFIG_PENDING;
|
909 |
|
|
Tcl_DoWhenIdle(RecomputePlacement, (ClientData) masterPtr);
|
910 |
|
|
}
|
911 |
|
|
} else if (eventPtr->type == DestroyNotify) {
|
912 |
|
|
for (slavePtr = masterPtr->slavePtr; slavePtr != NULL;
|
913 |
|
|
slavePtr = nextPtr) {
|
914 |
|
|
slavePtr->masterPtr = NULL;
|
915 |
|
|
nextPtr = slavePtr->nextPtr;
|
916 |
|
|
slavePtr->nextPtr = NULL;
|
917 |
|
|
}
|
918 |
|
|
Tcl_DeleteHashEntry(Tcl_FindHashEntry(&dispPtr->masterTable,
|
919 |
|
|
(char *) masterPtr->tkwin));
|
920 |
|
|
if (masterPtr->flags & PARENT_RECONFIG_PENDING) {
|
921 |
|
|
Tcl_CancelIdleCall(RecomputePlacement, (ClientData) masterPtr);
|
922 |
|
|
}
|
923 |
|
|
masterPtr->tkwin = NULL;
|
924 |
|
|
ckfree((char *) masterPtr);
|
925 |
|
|
} else if (eventPtr->type == MapNotify) {
|
926 |
|
|
/*
|
927 |
|
|
* When a master gets mapped, must redo the geometry computation
|
928 |
|
|
* so that all of its slaves get remapped.
|
929 |
|
|
*/
|
930 |
|
|
|
931 |
|
|
if ((masterPtr->slavePtr != NULL)
|
932 |
|
|
&& !(masterPtr->flags & PARENT_RECONFIG_PENDING)) {
|
933 |
|
|
masterPtr->flags |= PARENT_RECONFIG_PENDING;
|
934 |
|
|
Tcl_DoWhenIdle(RecomputePlacement, (ClientData) masterPtr);
|
935 |
|
|
}
|
936 |
|
|
} else if (eventPtr->type == UnmapNotify) {
|
937 |
|
|
/*
|
938 |
|
|
* Unmap all of the slaves when the master gets unmapped,
|
939 |
|
|
* so that they don't keep redisplaying themselves.
|
940 |
|
|
*/
|
941 |
|
|
|
942 |
|
|
for (slavePtr = masterPtr->slavePtr; slavePtr != NULL;
|
943 |
|
|
slavePtr = slavePtr->nextPtr) {
|
944 |
|
|
Tk_UnmapWindow(slavePtr->tkwin);
|
945 |
|
|
}
|
946 |
|
|
}
|
947 |
|
|
}
|
948 |
|
|
|
949 |
|
|
/*
|
950 |
|
|
*----------------------------------------------------------------------
|
951 |
|
|
*
|
952 |
|
|
* SlaveStructureProc --
|
953 |
|
|
*
|
954 |
|
|
* This procedure is invoked by the Tk event handler when
|
955 |
|
|
* StructureNotify events occur for a slave window.
|
956 |
|
|
*
|
957 |
|
|
* Results:
|
958 |
|
|
* None.
|
959 |
|
|
*
|
960 |
|
|
* Side effects:
|
961 |
|
|
* Structures get cleaned up if the window was deleted.
|
962 |
|
|
*
|
963 |
|
|
*----------------------------------------------------------------------
|
964 |
|
|
*/
|
965 |
|
|
|
966 |
|
|
static void
|
967 |
|
|
SlaveStructureProc(clientData, eventPtr)
|
968 |
|
|
ClientData clientData; /* Pointer to Slave structure for window
|
969 |
|
|
* referred to by eventPtr. */
|
970 |
|
|
XEvent *eventPtr; /* Describes what just happened. */
|
971 |
|
|
{
|
972 |
|
|
register Slave *slavePtr = (Slave *) clientData;
|
973 |
|
|
TkDisplay * dispPtr = ((TkWindow *) slavePtr->tkwin)->dispPtr;
|
974 |
|
|
|
975 |
|
|
if (eventPtr->type == DestroyNotify) {
|
976 |
|
|
UnlinkSlave(slavePtr);
|
977 |
|
|
Tcl_DeleteHashEntry(Tcl_FindHashEntry(&dispPtr->slaveTable,
|
978 |
|
|
(char *) slavePtr->tkwin));
|
979 |
|
|
ckfree((char *) slavePtr);
|
980 |
|
|
}
|
981 |
|
|
}
|
982 |
|
|
|
983 |
|
|
/*
|
984 |
|
|
*----------------------------------------------------------------------
|
985 |
|
|
*
|
986 |
|
|
* PlaceRequestProc --
|
987 |
|
|
*
|
988 |
|
|
* This procedure is invoked by Tk whenever a slave managed by us
|
989 |
|
|
* changes its requested geometry.
|
990 |
|
|
*
|
991 |
|
|
* Results:
|
992 |
|
|
* None.
|
993 |
|
|
*
|
994 |
|
|
* Side effects:
|
995 |
|
|
* The window will get relayed out, if its requested size has
|
996 |
|
|
* anything to do with its actual size.
|
997 |
|
|
*
|
998 |
|
|
*----------------------------------------------------------------------
|
999 |
|
|
*/
|
1000 |
|
|
|
1001 |
|
|
/* ARGSUSED */
|
1002 |
|
|
static void
|
1003 |
|
|
PlaceRequestProc(clientData, tkwin)
|
1004 |
|
|
ClientData clientData; /* Pointer to our record for slave. */
|
1005 |
|
|
Tk_Window tkwin; /* Window that changed its desired
|
1006 |
|
|
* size. */
|
1007 |
|
|
{
|
1008 |
|
|
Slave *slavePtr = (Slave *) clientData;
|
1009 |
|
|
Master *masterPtr;
|
1010 |
|
|
|
1011 |
|
|
if (((slavePtr->flags & (CHILD_WIDTH|CHILD_REL_WIDTH)) != 0)
|
1012 |
|
|
&& ((slavePtr->flags & (CHILD_HEIGHT|CHILD_REL_HEIGHT)) != 0)) {
|
1013 |
|
|
return;
|
1014 |
|
|
}
|
1015 |
|
|
masterPtr = slavePtr->masterPtr;
|
1016 |
|
|
if (masterPtr == NULL) {
|
1017 |
|
|
return;
|
1018 |
|
|
}
|
1019 |
|
|
if (!(masterPtr->flags & PARENT_RECONFIG_PENDING)) {
|
1020 |
|
|
masterPtr->flags |= PARENT_RECONFIG_PENDING;
|
1021 |
|
|
Tcl_DoWhenIdle(RecomputePlacement, (ClientData) masterPtr);
|
1022 |
|
|
}
|
1023 |
|
|
}
|
1024 |
|
|
|
1025 |
|
|
/*
|
1026 |
|
|
*--------------------------------------------------------------
|
1027 |
|
|
*
|
1028 |
|
|
* PlaceLostSlaveProc --
|
1029 |
|
|
*
|
1030 |
|
|
* This procedure is invoked by Tk whenever some other geometry
|
1031 |
|
|
* claims control over a slave that used to be managed by us.
|
1032 |
|
|
*
|
1033 |
|
|
* Results:
|
1034 |
|
|
* None.
|
1035 |
|
|
*
|
1036 |
|
|
* Side effects:
|
1037 |
|
|
* Forgets all placer-related information about the slave.
|
1038 |
|
|
*
|
1039 |
|
|
*--------------------------------------------------------------
|
1040 |
|
|
*/
|
1041 |
|
|
|
1042 |
|
|
/* ARGSUSED */
|
1043 |
|
|
static void
|
1044 |
|
|
PlaceLostSlaveProc(clientData, tkwin)
|
1045 |
|
|
ClientData clientData; /* Slave structure for slave window that
|
1046 |
|
|
* was stolen away. */
|
1047 |
|
|
Tk_Window tkwin; /* Tk's handle for the slave window. */
|
1048 |
|
|
{
|
1049 |
|
|
register Slave *slavePtr = (Slave *) clientData;
|
1050 |
|
|
TkDisplay * dispPtr = ((TkWindow *) slavePtr->tkwin)->dispPtr;
|
1051 |
|
|
|
1052 |
|
|
if (slavePtr->masterPtr->tkwin != Tk_Parent(slavePtr->tkwin)) {
|
1053 |
|
|
Tk_UnmaintainGeometry(slavePtr->tkwin, slavePtr->masterPtr->tkwin);
|
1054 |
|
|
}
|
1055 |
|
|
Tk_UnmapWindow(tkwin);
|
1056 |
|
|
UnlinkSlave(slavePtr);
|
1057 |
|
|
Tcl_DeleteHashEntry(Tcl_FindHashEntry(&dispPtr->slaveTable,
|
1058 |
|
|
(char *) tkwin));
|
1059 |
|
|
Tk_DeleteEventHandler(tkwin, StructureNotifyMask, SlaveStructureProc,
|
1060 |
|
|
(ClientData) slavePtr);
|
1061 |
|
|
ckfree((char *) slavePtr);
|
1062 |
|
|
}
|
1063 |
|
|
|
1064 |
|
|
|
1065 |
|
|
/* $History: tkPlace.c $
|
1066 |
|
|
*
|
1067 |
|
|
* ***************** Version 1 *****************
|
1068 |
|
|
* User: Dtashley Date: 1/02/01 Time: 3:04a
|
1069 |
|
|
* Created in $/IjuScripter, IjuConsole/Source/Tk Base
|
1070 |
|
|
* Initial check-in.
|
1071 |
|
|
*/
|
1072 |
|
|
|
1073 |
|
|
/* End of TKPLACE.C */ |