File: | Label.c |
Location: | line 280, column 14 |
Description: | Value stored to 'width' during its initialization is never read |
1 | /*********************************************************** |
2 | |
3 | Copyright (c) 1987, 1988, 1994 X Consortium |
4 | |
5 | Permission is hereby granted, free of charge, to any person obtaining a copy |
6 | of this software and associated documentation files (the "Software"), to deal |
7 | in the Software without restriction, including without limitation the rights |
8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
9 | copies of the Software, and to permit persons to whom the Software is |
10 | furnished to do so, subject to the following conditions: |
11 | |
12 | The above copyright notice and this permission notice shall be included in |
13 | all copies or substantial portions of the Software. |
14 | |
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
18 | X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN |
19 | AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
20 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
21 | |
22 | Except as contained in this notice, the name of the X Consortium shall not be |
23 | used in advertising or otherwise to promote the sale, use or other dealings |
24 | in this Software without prior written authorization from the X Consortium. |
25 | |
26 | |
27 | Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts. |
28 | |
29 | All Rights Reserved |
30 | |
31 | Permission to use, copy, modify, and distribute this software and its |
32 | documentation for any purpose and without fee is hereby granted, |
33 | provided that the above copyright notice appear in all copies and that |
34 | both that copyright notice and this permission notice appear in |
35 | supporting documentation, and that the name of Digital not be |
36 | used in advertising or publicity pertaining to distribution of the |
37 | software without specific, written prior permission. |
38 | |
39 | DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING |
40 | ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL |
41 | DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR |
42 | ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, |
43 | WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, |
44 | ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS |
45 | SOFTWARE. |
46 | |
47 | ******************************************************************/ |
48 | |
49 | #ifdef HAVE_CONFIG_H1 |
50 | #include "config.h" |
51 | #endif |
52 | /* |
53 | * Label.c - Label widget |
54 | * |
55 | */ |
56 | |
57 | #include <X11/Xaw3d/Xaw3dP.h> |
58 | #include <X11/IntrinsicP.h> |
59 | #include <X11/StringDefs.h> |
60 | #include <X11/Xos.h> |
61 | #include <X11/Xaw3d/XawInit.h> |
62 | #include <X11/Xaw3d/Command.h> |
63 | #include <X11/Xaw3d/LabelP.h> |
64 | #include <X11/Xmu/Converters.h> |
65 | #include <X11/Xmu/Drawing.h> |
66 | #include <stdio.h> |
67 | #include <ctype.h> |
68 | |
69 | /* needed for abs() */ |
70 | #include <stdlib.h> |
71 | |
72 | #define streq(a,b)(strcmp( (a), (b) ) == 0) (strcmp( (a), (b) ) == 0) |
73 | |
74 | #define MULTI_LINE_LABEL32767 32767 |
75 | |
76 | |
77 | /**************************************************************** |
78 | * |
79 | * Full class record constant |
80 | * |
81 | ****************************************************************/ |
82 | |
83 | /* Private Data */ |
84 | |
85 | #define offset(field) XtOffsetOf(LabelRec, field)__builtin_offsetof(LabelRec, field) |
86 | static XtResource resources[] = { |
87 | {XtNforeground((char*)&XtStrings[214]), XtCForeground((char*)&XtStrings[1022]), XtRPixel((char*)&XtStrings[1754]), sizeof(Pixel), |
88 | offset(label.foreground), XtRString((char*)&XtStrings[1797]), XtDefaultForeground"XtDefaultForeground"}, |
89 | {XtNfont((char*)&XtStrings[199]), XtCFont((char*)&XtStrings[1017]), XtRFontStruct((char*)&XtStrings[1666]), sizeof(XFontStruct *), |
90 | offset(label.font),XtRString((char*)&XtStrings[1797]), XtDefaultFont"XtDefaultFont"}, |
91 | #ifdef XAW_INTERNATIONALIZATION1 |
92 | {XtNfontSet((char*)&XtStrings[2018]), XtCFontSet((char*)&XtStrings[2034]), XtRFontSet((char*)&XtStrings[2026]), sizeof(XFontSet ), |
93 | offset(label.fontset),XtRString((char*)&XtStrings[1797]), XtDefaultFontSet"XtDefaultFontSet"}, |
94 | #endif |
95 | {XtNlabel((char*)&XtStrings[429]), XtCLabel((char*)&XtStrings[1151]), XtRString((char*)&XtStrings[1797]), sizeof(String), |
96 | offset(label.label), XtRString((char*)&XtStrings[1797]), NULL((void*)0)}, |
97 | {XtNencoding"encoding", XtCEncoding"Encoding", XtRUnsignedChar((char*)&XtStrings[1828]), sizeof(unsigned char), |
98 | offset(label.encoding), XtRImmediate((char*)&XtStrings[1695]), (XtPointer)XawTextEncoding8bit0}, |
99 | {XtNjustify((char*)&XtStrings[379]), XtCJustify((char*)&XtStrings[1122]), XtRJustify((char*)&XtStrings[1722]), sizeof(XtJustify), |
100 | offset(label.justify), XtRImmediate((char*)&XtStrings[1695]), (XtPointer)XtJustifyCenter}, |
101 | {XtNinternalWidth((char*)&XtStrings[356]), XtCWidth((char*)&XtStrings[1510]), XtRDimension((char*)&XtStrings[1618]), sizeof(Dimension), |
102 | offset(label.internal_width), XtRImmediate((char*)&XtStrings[1695]), (XtPointer)4}, |
103 | {XtNinternalHeight((char*)&XtStrings[341]), XtCHeight((char*)&XtStrings[1051]), XtRDimension((char*)&XtStrings[1618]), sizeof(Dimension), |
104 | offset(label.internal_height), XtRImmediate((char*)&XtStrings[1695]), (XtPointer)2}, |
105 | {XtNleftBitmap"leftBitmap", XtCLeftBitmap"LeftBitmap", XtRBitmap((char*)&XtStrings[1549]), sizeof(Pixmap), |
106 | offset(label.left_bitmap), XtRImmediate((char*)&XtStrings[1695]), (XtPointer) None0L}, |
107 | {XtNbitmap((char*)&XtStrings[80]), XtCPixmap((char*)&XtStrings[1228]), XtRBitmap((char*)&XtStrings[1549]), sizeof(Pixmap), |
108 | offset(label.pixmap), XtRImmediate((char*)&XtStrings[1695]), (XtPointer)None0L}, |
109 | {XtNresize((char*)&XtStrings[564]), XtCResize((char*)&XtStrings[1253]), XtRBoolean((char*)&XtStrings[1561]), sizeof(Boolean), |
110 | offset(label.resize), XtRImmediate((char*)&XtStrings[1695]), (XtPointer)True1}, |
111 | {XtNshadowWidth"shadowWidth", XtCShadowWidth"ShadowWidth", XtRDimension((char*)&XtStrings[1618]), sizeof(Dimension), |
112 | offset(threeD.shadow_width), XtRImmediate((char*)&XtStrings[1695]), (XtPointer) 0}, |
113 | {XtNborderWidth((char*)&XtStrings[124]), XtCBorderWidth((char*)&XtStrings[940]), XtRDimension((char*)&XtStrings[1618]), sizeof(Dimension), |
114 | XtOffsetOf(RectObjRec,rectangle.border_width)__builtin_offsetof(RectObjRec, rectangle.border_width), XtRImmediate((char*)&XtStrings[1695]), |
115 | (XtPointer)1} |
116 | }; |
117 | #undef offset |
118 | |
119 | static void Initialize(Widget, Widget, ArgList, Cardinal *); |
120 | static void Resize(Widget); |
121 | static void Redisplay(Widget, XEvent *, Region); |
122 | static Boolean SetValues(Widget, Widget, Widget, ArgList, Cardinal *); |
123 | static void ClassInitialize(void); |
124 | static void Destroy(Widget); |
125 | static XtGeometryResult QueryGeometry(Widget, XtWidgetGeometry *, XtWidgetGeometry *); |
126 | |
127 | LabelClassRec labelClassRec = { |
128 | { |
129 | /* core_class fields */ |
130 | /* superclass */ (WidgetClass) &threeDClassRec, |
131 | /* class_name */ "Label", |
132 | /* widget_size */ sizeof(LabelRec), |
133 | /* class_initialize */ ClassInitialize, |
134 | /* class_part_initialize */ NULL((void*)0), |
135 | /* class_inited */ FALSE0, |
136 | /* initialize */ Initialize, |
137 | /* initialize_hook */ NULL((void*)0), |
138 | /* realize */ XtInheritRealize((XtRealizeProc) _XtInherit), |
139 | /* actions */ NULL((void*)0), |
140 | /* num_actions */ 0, |
141 | /* resources */ resources, |
142 | /* num_resources */ XtNumber(resources)((Cardinal) (sizeof(resources) / sizeof(resources[0]))), |
143 | /* xrm_class */ NULLQUARK((XrmQuark) 0), |
144 | /* compress_motion */ TRUE1, |
145 | /* compress_exposure */ TRUE1, |
146 | /* compress_enterleave */ TRUE1, |
147 | /* visible_interest */ FALSE0, |
148 | /* destroy */ Destroy, |
149 | /* resize */ Resize, |
150 | /* expose */ Redisplay, |
151 | /* set_values */ SetValues, |
152 | /* set_values_hook */ NULL((void*)0), |
153 | /* set_values_almost */ XtInheritSetValuesAlmost((XtAlmostProc) _XtInherit), |
154 | /* get_values_hook */ NULL((void*)0), |
155 | /* accept_focus */ NULL((void*)0), |
156 | /* version */ XtVersion(11 * 1000 + 6), |
157 | /* callback_private */ NULL((void*)0), |
158 | /* tm_table */ NULL((void*)0), |
159 | /* query_geometry */ QueryGeometry, |
160 | /* display_accelerator */ XtInheritDisplayAccelerator((XtStringProc) _XtInherit), |
161 | /* extension */ NULL((void*)0) |
162 | }, |
163 | /* Simple class fields initialization */ |
164 | { |
165 | /* change_sensitive */ XtInheritChangeSensitive((Boolean (*)(Widget))_XtInherit) |
166 | }, |
167 | /* ThreeD class fields initialization */ |
168 | { |
169 | /* shadowdraw */ XtInheritXaw3dShadowDraw((void (*)(Widget, XEvent *, Region, XtRelief, Boolean))_XtInherit ) |
170 | }, |
171 | /* Label class fields initialization */ |
172 | { |
173 | /* ignore */ 0 |
174 | } |
175 | }; |
176 | |
177 | WidgetClass labelWidgetClass = (WidgetClass)&labelClassRec; |
178 | |
179 | /**************************************************************** |
180 | * |
181 | * Private Procedures |
182 | * |
183 | ****************************************************************/ |
184 | |
185 | static void |
186 | ClassInitialize(void) |
187 | { |
188 | XawInitializeWidgetSet(); |
189 | XtAddConverter( XtRString((char*)&XtStrings[1797]), XtRJustify((char*)&XtStrings[1722]), XmuCvtStringToJustify, |
190 | (XtConvertArgList)NULL((void*)0), 0 ); |
191 | } |
192 | |
193 | /* |
194 | * Calculate width and height of displayed text in pixels |
195 | */ |
196 | |
197 | static void |
198 | SetTextWidthAndHeight(LabelWidget lw) |
199 | { |
200 | XFontStruct *fs = lw->label.font; |
201 | |
202 | char *nl; |
203 | |
204 | if (lw->label.pixmap != None0L) { |
205 | Window root; |
206 | int x, y; |
207 | unsigned int width, height, bw, depth; |
208 | |
209 | if (XGetGeometry(XtDisplay(lw)(((lw)->core.screen)->display), lw->label.pixmap, &root, &x, &y, |
210 | &width, &height, &bw, &depth)) { |
211 | lw->label.label_height = height; |
212 | lw->label.label_width = width; |
213 | lw->label.depth = depth; |
214 | return; |
215 | } |
216 | } |
217 | #ifdef XAW_INTERNATIONALIZATION1 |
218 | if ( lw->simple.international == True1 ) { |
219 | XFontSet fset = lw->label.fontset; |
220 | XFontSetExtents *ext = XExtentsOfFontSet(fset); |
221 | |
222 | lw->label.label_height = ext->max_ink_extent.height; |
223 | if (lw->label.label == NULL((void*)0)) { |
224 | lw->label.label_len = 0; |
225 | lw->label.label_width = 0; |
226 | } |
227 | else if ((nl = index(lw->label.label, '\n')) != NULL((void*)0)) { |
228 | char *label; |
229 | lw->label.label_len = MULTI_LINE_LABEL32767; |
230 | lw->label.label_width = 0; |
231 | for (label = lw->label.label; nl != NULL((void*)0); nl = index(label, '\n')) { |
232 | int width = XmbTextEscapement(fset, label, (int)(nl - label)); |
233 | |
234 | if (width > (int)lw->label.label_width) |
235 | lw->label.label_width = width; |
236 | label = nl + 1; |
237 | if (*label) |
238 | lw->label.label_height += |
239 | ext->max_ink_extent.height; |
240 | } |
241 | if (*label) { |
242 | int width = XmbTextEscapement(fset, label, strlen(label)); |
243 | |
244 | if (width > (int) lw->label.label_width) |
245 | lw->label.label_width = width; |
246 | } |
247 | } else { |
248 | lw->label.label_len = strlen(lw->label.label); |
249 | lw->label.label_width = |
250 | XmbTextEscapement(fset, lw->label.label, (int) lw->label.label_len); |
251 | } |
252 | |
253 | } else |
254 | #endif |
255 | { |
256 | lw->label.label_height = fs->max_bounds.ascent + fs->max_bounds.descent; |
257 | if (lw->label.label == NULL((void*)0)) { |
258 | lw->label.label_len = 0; |
259 | lw->label.label_width = 0; |
260 | } |
261 | else if ((nl = index(lw->label.label, '\n')) != NULL((void*)0)) { |
262 | char *label; |
263 | lw->label.label_len = MULTI_LINE_LABEL32767; |
264 | lw->label.label_width = 0; |
265 | for (label = lw->label.label; nl != NULL((void*)0); nl = index(label, '\n')) { |
266 | int width; |
267 | |
268 | if (lw->label.encoding) |
269 | width = XTextWidth16(fs, (XChar2b *)label, (int)(nl - label)/2); |
270 | else |
271 | width = XTextWidth(fs, label, (int)(nl - label)); |
272 | if (width > (int)lw->label.label_width) |
273 | lw->label.label_width = width; |
274 | label = nl + 1; |
275 | if (*label) |
276 | lw->label.label_height += |
277 | fs->max_bounds.ascent + fs->max_bounds.descent; |
278 | } |
279 | if (*label) { |
280 | int width = XTextWidth(fs, label, strlen(label)); |
Value stored to 'width' during its initialization is never read | |
281 | |
282 | if (lw->label.encoding) |
283 | width = XTextWidth16(fs, (XChar2b *)label, (int)strlen(label)/2); |
284 | else |
285 | width = XTextWidth(fs, label, strlen(label)); |
286 | if (width > (int) lw->label.label_width) |
287 | lw->label.label_width = width; |
288 | } |
289 | } else { |
290 | lw->label.label_len = strlen(lw->label.label); |
291 | if (lw->label.encoding) |
292 | lw->label.label_width = |
293 | XTextWidth16(fs, (XChar2b *)lw->label.label, |
294 | (int) lw->label.label_len/2); |
295 | else |
296 | lw->label.label_width = |
297 | XTextWidth(fs, lw->label.label, (int) lw->label.label_len); |
298 | } |
299 | |
300 | } |
301 | } |
302 | |
303 | static void |
304 | GetnormalGC(LabelWidget lw) |
305 | { |
306 | XGCValues values; |
307 | |
308 | values.foreground = lw->label.foreground; |
309 | values.background = lw->core.background_pixel; |
310 | values.font = lw->label.font->fid; |
311 | values.graphics_exposures = False0; |
312 | |
313 | #ifdef XAW_INTERNATIONALIZATION1 |
314 | if ( lw->simple.international == True1 ) |
315 | /* Since Xmb/wcDrawString eats the font, I must use XtAllocateGC. */ |
316 | lw->label.normal_GC = XtAllocateGC( |
317 | (Widget)lw, 0, |
318 | (unsigned) GCForeground(1L<<2) | GCBackground(1L<<3) | GCGraphicsExposures(1L<<16), |
319 | &values, GCFont(1L<<14), 0 ); |
320 | else |
321 | #endif |
322 | lw->label.normal_GC = XtGetGC( |
323 | (Widget)lw, |
324 | (unsigned) GCForeground(1L<<2) | GCBackground(1L<<3) | GCFont(1L<<14) | GCGraphicsExposures(1L<<16), |
325 | &values); |
326 | } |
327 | |
328 | static void |
329 | GetgrayGC(LabelWidget lw) |
330 | { |
331 | XGCValues values; |
332 | |
333 | values.foreground = lw->label.foreground; |
334 | values.background = lw->core.background_pixel; |
335 | values.font = lw->label.font->fid; |
336 | values.fill_style = FillTiled1; |
337 | values.tile = XmuCreateStippledPixmap(XtScreen((Widget)lw)(((Widget)lw)->core.screen), |
338 | lw->label.foreground, |
339 | lw->core.background_pixel, |
340 | lw->core.depth); |
341 | values.graphics_exposures = False0; |
342 | |
343 | lw->label.stipple = values.tile; |
344 | #ifdef XAW_INTERNATIONALIZATION1 |
345 | if ( lw->simple.international == True1 ) |
346 | /* Since Xmb/wcDrawString eats the font, I must use XtAllocateGC. */ |
347 | lw->label.gray_GC = XtAllocateGC((Widget)lw, 0, |
348 | (unsigned) GCForeground(1L<<2) | GCBackground(1L<<3) | |
349 | GCTile(1L<<10) | GCFillStyle(1L<<8) | |
350 | GCGraphicsExposures(1L<<16), |
351 | &values, GCFont(1L<<14), 0); |
352 | else |
353 | #endif |
354 | lw->label.gray_GC = XtGetGC((Widget)lw, |
355 | (unsigned) GCForeground(1L<<2) | GCBackground(1L<<3) | |
356 | GCFont(1L<<14) | GCTile(1L<<10) | GCFillStyle(1L<<8) | |
357 | GCGraphicsExposures(1L<<16), |
358 | &values); |
359 | } |
360 | |
361 | static void |
362 | compute_bitmap_offsets (LabelWidget lw) |
363 | { |
364 | if (lw->label.lbm_height != 0) |
365 | lw->label.lbm_y = (lw->core.height - lw->label.lbm_height) / 2; |
366 | else |
367 | lw->label.lbm_y = 0; |
368 | } |
369 | |
370 | static void |
371 | set_bitmap_info (LabelWidget lw) |
372 | { |
373 | Window root; |
374 | int x, y; |
375 | unsigned int bw; |
376 | |
377 | if (lw->label.pixmap || !(lw->label.left_bitmap && |
378 | XGetGeometry (XtDisplay(lw)(((lw)->core.screen)->display), lw->label.left_bitmap, &root, &x, &y, |
379 | &lw->label.lbm_width, &lw->label.lbm_height, |
380 | &bw, &lw->label.depth))) { |
381 | lw->label.lbm_width = lw->label.lbm_height = 0; |
382 | } |
383 | compute_bitmap_offsets (lw); |
384 | } |
385 | |
386 | /* ARGSUSED */ |
387 | static void |
388 | Initialize(Widget request, Widget new, ArgList args, Cardinal *num_args) |
389 | { |
390 | LabelWidget lw = (LabelWidget) new; |
391 | |
392 | /* disable shadows if we're not a subclass of Command */ |
393 | if (!XtIsSubclass(new, commandWidgetClass)) |
394 | lw->threeD.shadow_width = 0; |
395 | |
396 | if (lw->label.label == NULL((void*)0)) |
397 | lw->label.label = XtNewString(lw->core.name)((lw->core.name) != ((void*)0) ? (__builtin___strcpy_chk ( XtMalloc((unsigned)strlen(lw->core.name) + 1), lw->core .name, __builtin_object_size (XtMalloc((unsigned)strlen(lw-> core.name) + 1), 2 > 1 ? 1 : 0))) : ((void*)0)); |
398 | else |
399 | lw->label.label = XtNewString(lw->label.label)((lw->label.label) != ((void*)0) ? (__builtin___strcpy_chk (XtMalloc((unsigned)strlen(lw->label.label) + 1), lw-> label.label, __builtin_object_size (XtMalloc((unsigned)strlen (lw->label.label) + 1), 2 > 1 ? 1 : 0))) : ((void*)0)); |
400 | |
401 | GetnormalGC(lw); |
402 | GetgrayGC(lw); |
403 | |
404 | SetTextWidthAndHeight(lw); /* label.label or label.pixmap */ |
405 | |
406 | if (lw->core.height == 0) |
407 | lw->core.height = lw->label.label_height + |
408 | 2 * lw->label.internal_height; |
409 | |
410 | set_bitmap_info(lw); /* req's core.height, sets label.lbm_* */ |
411 | |
412 | if (lw->label.lbm_height > lw->label.label_height) |
413 | lw->core.height = lw->label.lbm_height + |
414 | 2 * lw->label.internal_height; |
415 | |
416 | if (lw->core.width == 0) |
417 | lw->core.width = lw->label.label_width + |
418 | 2 * lw->label.internal_width + |
419 | LEFT_OFFSET(lw)((lw)->label.left_bitmap && (lw)->label.pixmap == 0L ? (lw)->label.lbm_width + (lw)->label.internal_width : 0); /* req's label.lbm_width */ |
420 | |
421 | lw->label.label_x = lw->label.label_y = 0; |
422 | (*XtClass(new)((new)->core.widget_class)->core_class.resize) ((Widget)lw); |
423 | |
424 | lw->label.stippled = lw->label.left_stippled = None0L; |
425 | } /* Initialize */ |
426 | |
427 | /* |
428 | * Repaint the widget window |
429 | */ |
430 | |
431 | /* ARGSUSED */ |
432 | static void |
433 | Redisplay(Widget gw, XEvent *event, Region region) |
434 | { |
435 | LabelWidget w = (LabelWidget) gw; |
436 | LabelWidgetClass lwclass = (LabelWidgetClass) XtClass (gw)((gw)->core.widget_class); |
437 | Pixmap pm; |
438 | GC gc; |
439 | |
440 | /* |
441 | * Don't draw shadows if Command is going to redraw them. |
442 | * The shadow draw method is region aware, but since 99% of |
443 | * all labels don't have shadows, we'll check for a shadow |
444 | * before we incur the function call overhead. |
445 | */ |
446 | if (!XtIsSubclass (gw, commandWidgetClass) && w->threeD.shadow_width > 0) |
447 | (*lwclass->threeD_class.shadowdraw) (gw, event, region, |
448 | w->threeD.relief, True1); |
449 | |
450 | /* |
451 | * now we'll see if we need to draw the rest of the label |
452 | */ |
453 | if (region != NULL((void*)0)) { |
454 | int x = w->label.label_x; |
455 | unsigned int width = w->label.label_width; |
456 | if (w->label.lbm_width) { |
457 | if (w->label.label_x > (x = w->label.internal_width)) |
458 | width += w->label.label_x - x; |
459 | } |
460 | if (XRectInRegion(region, x, w->label.label_y, |
461 | width, w->label.label_height) == RectangleOut0){ |
462 | return; |
463 | } |
464 | } |
465 | |
466 | gc = XtIsSensitive(gw) ? w->label.normal_GC : w->label.gray_GC; |
467 | #ifdef notdef |
468 | if (region != NULL((void*)0)) |
469 | XSetRegion(XtDisplay(gw)(((gw)->core.screen)->display), gc, region); |
470 | #endif /*notdef*/ |
471 | |
472 | if (w->label.pixmap == None0L) { |
473 | int len = w->label.label_len; |
474 | char *label = w->label.label; |
475 | Position y = w->label.label_y + w->label.font->max_bounds.ascent; |
476 | #ifdef XAW_INTERNATIONALIZATION1 |
477 | Position ksy = w->label.label_y; |
478 | #endif |
479 | |
480 | /* display left bitmap */ |
481 | if (w->label.left_bitmap && w->label.lbm_width != 0) { |
482 | pm = w->label.left_bitmap; |
483 | #ifdef XAW_MULTIPLANE_PIXMAPS |
484 | if (!XtIsSensitive(gw)) { |
485 | if (w->label.left_stippled == None0L) |
486 | w->label.left_stippled = stipplePixmap(gw, |
487 | w->label.left_bitmap, w->core.colormap, |
488 | w->core.background_pixel, w->label.depth); |
489 | if (w->label.left_stippled != None0L) |
490 | pm = w->label.left_stippled; |
491 | } |
492 | #endif |
493 | |
494 | if (w->label.depth == 1) |
495 | XCopyPlane(XtDisplay(gw)(((gw)->core.screen)->display), pm, XtWindow(gw)((gw)->core.window), gc, 0, 0, |
496 | w->label.lbm_width, w->label.lbm_height, |
497 | (int) w->label.internal_width, |
498 | (int) w->label.lbm_y, |
499 | (unsigned long) 1L); |
500 | else |
501 | XCopyArea(XtDisplay(gw)(((gw)->core.screen)->display), pm, XtWindow(gw)((gw)->core.window), gc, 0, 0, |
502 | w->label.lbm_width, w->label.lbm_height, |
503 | (int) w->label.internal_width, |
504 | (int) w->label.lbm_y); |
505 | } |
506 | |
507 | #ifdef XAW_INTERNATIONALIZATION1 |
508 | if ( w->simple.international == True1 ) { |
509 | |
510 | XFontSetExtents *ext = XExtentsOfFontSet(w->label.fontset); |
511 | |
512 | ksy += abs(ext->max_ink_extent.y); |
513 | |
514 | if (len == MULTI_LINE_LABEL32767) { |
515 | char *nl; |
516 | while ((nl = index(label, '\n')) != NULL((void*)0)) { |
517 | XmbDrawString(XtDisplay(w)(((w)->core.screen)->display), XtWindow(w)((w)->core.window), w->label.fontset, gc, |
518 | w->label.label_x, ksy, label, (int)(nl - label)); |
519 | ksy += ext->max_ink_extent.height; |
520 | label = nl + 1; |
521 | } |
522 | len = strlen(label); |
523 | } |
524 | if (len) |
525 | XmbDrawString(XtDisplay(w)(((w)->core.screen)->display), XtWindow(w)((w)->core.window), w->label.fontset, gc, |
526 | w->label.label_x, ksy, label, len); |
527 | |
528 | } else |
529 | #endif |
530 | { /* international false, so use R5 routine */ |
531 | |
532 | if (len == MULTI_LINE_LABEL32767) { |
533 | char *nl; |
534 | while ((nl = index(label, '\n')) != NULL((void*)0)) { |
535 | if (w->label.encoding) |
536 | XDrawString16(XtDisplay(gw)(((gw)->core.screen)->display), XtWindow(gw)((gw)->core.window), gc, |
537 | w->label.label_x, y, |
538 | (XChar2b *)label, (int)(nl - label)/2); |
539 | else |
540 | XDrawString(XtDisplay(gw)(((gw)->core.screen)->display), XtWindow(gw)((gw)->core.window), gc, |
541 | w->label.label_x, y, label, (int)(nl - label)); |
542 | y += w->label.font->max_bounds.ascent + |
543 | w->label.font->max_bounds.descent; |
544 | label = nl + 1; |
545 | } |
546 | len = strlen(label); |
547 | } |
548 | if (len) { |
549 | if (w->label.encoding) |
550 | XDrawString16(XtDisplay(gw)(((gw)->core.screen)->display), XtWindow(gw)((gw)->core.window), gc, |
551 | w->label.label_x, y, (XChar2b *)label, len/2); |
552 | else |
553 | XDrawString(XtDisplay(gw)(((gw)->core.screen)->display), XtWindow(gw)((gw)->core.window), gc, |
554 | w->label.label_x, y, label, len); |
555 | } |
556 | |
557 | } /* endif international */ |
558 | |
559 | } else { |
560 | pm = w->label.pixmap; |
561 | #ifdef XAW_MULTIPLANE_PIXMAPS |
562 | if (!XtIsSensitive(gw)) { |
563 | if (w->label.stippled == None0L) |
564 | w->label.stippled = stipplePixmap(gw, |
565 | w->label.pixmap, w->core.colormap, |
566 | w->core.background_pixel, w->label.depth); |
567 | if (w->label.stippled != None0L) |
568 | pm = w->label.stippled; |
569 | } |
570 | #endif |
571 | |
572 | if (w->label.depth == 1) |
573 | XCopyPlane(XtDisplay(gw)(((gw)->core.screen)->display), pm, XtWindow(gw)((gw)->core.window), gc, 0, 0, |
574 | w->label.label_width, w->label.label_height, |
575 | w->label.label_x, w->label.label_y, |
576 | 1L); |
577 | else |
578 | XCopyArea(XtDisplay(gw)(((gw)->core.screen)->display), pm, XtWindow(gw)((gw)->core.window), gc, 0, 0, |
579 | w->label.label_width, w->label.label_height, |
580 | w->label.label_x, w->label.label_y); |
581 | } |
582 | |
583 | #ifdef notdef |
584 | if (region != NULL((void*)0)) |
585 | XSetClipMask(XtDisplay(gw)(((gw)->core.screen)->display), gc, (Pixmap)None0L); |
586 | #endif /* notdef */ |
587 | } |
588 | |
589 | static void |
590 | _Reposition(LabelWidget lw, Dimension width, Dimension height, |
591 | Position *dx, Position *dy) |
592 | { |
593 | Position newPos; |
594 | Position leftedge = lw->label.internal_width + LEFT_OFFSET(lw)((lw)->label.left_bitmap && (lw)->label.pixmap == 0L ? (lw)->label.lbm_width + (lw)->label.internal_width : 0); |
595 | |
596 | switch (lw->label.justify) { |
597 | case XtJustifyLeft: |
598 | newPos = leftedge; |
599 | break; |
600 | case XtJustifyRight: |
601 | newPos = width - lw->label.label_width - lw->label.internal_width; |
602 | break; |
603 | case XtJustifyCenter: |
604 | default: |
605 | newPos = (int)(width - lw->label.label_width) / 2; |
606 | break; |
607 | } |
608 | |
609 | if (newPos < (Position)leftedge) |
610 | newPos = leftedge; |
611 | *dx = newPos - lw->label.label_x; |
612 | lw->label.label_x = newPos; |
613 | |
614 | *dy = (newPos = (int)(height - lw->label.label_height) / 2) |
615 | - lw->label.label_y; |
616 | lw->label.label_y = newPos; |
617 | |
618 | lw->label.lbm_y = (height - lw->label.lbm_height) / 2; |
619 | |
620 | return; |
621 | } |
622 | |
623 | static void |
624 | Resize(Widget w) |
625 | { |
626 | LabelWidget lw = (LabelWidget)w; |
627 | Position dx, dy; |
628 | |
629 | _Reposition(lw, w->core.width, w->core.height, &dx, &dy); |
630 | compute_bitmap_offsets (lw); |
631 | } |
632 | |
633 | /* |
634 | * Set specified arguments into widget |
635 | */ |
636 | |
637 | #define PIXMAP0 0 |
638 | #define WIDTH1 1 |
639 | #define HEIGHT2 2 |
640 | #define NUM_CHECKS3 3 |
641 | |
642 | static Boolean |
643 | SetValues(Widget current, Widget request, Widget new, ArgList args, Cardinal *num_args) |
644 | { |
645 | LabelWidget curlw = (LabelWidget) current; |
646 | LabelWidget reqlw = (LabelWidget) request; |
647 | LabelWidget newlw = (LabelWidget) new; |
648 | int i; |
649 | Boolean was_resized = False0, redisplay = False0, checks[NUM_CHECKS3]; |
650 | |
651 | for (i = 0; i < NUM_CHECKS3; i++) |
652 | checks[i] = FALSE0; |
653 | for (i = 0; i < *num_args; i++) { |
654 | if (streq(XtNbitmap, args[i].name)(strcmp( (((char*)&XtStrings[80])), (args[i].name) ) == 0 )) |
655 | checks[PIXMAP0] = TRUE1; |
656 | if (streq(XtNwidth, args[i].name)(strcmp( (((char*)&XtStrings[872])), (args[i].name) ) == 0 )) |
657 | checks[WIDTH1] = TRUE1; |
658 | if (streq(XtNheight, args[i].name)(strcmp( (((char*)&XtStrings[234])), (args[i].name) ) == 0 )) |
659 | checks[HEIGHT2] = TRUE1; |
660 | } |
661 | |
662 | if (newlw->label.label == NULL((void*)0)) |
663 | newlw->label.label = newlw->core.name; |
664 | if (curlw->label.label != newlw->label.label) { |
665 | if (curlw->label.label != curlw->core.name) |
666 | XtFree((char *)curlw->label.label); |
667 | if (newlw->label.label != newlw->core.name) |
668 | newlw->label.label = XtNewString(newlw->label.label)((newlw->label.label) != ((void*)0) ? (__builtin___strcpy_chk (XtMalloc((unsigned)strlen(newlw->label.label) + 1), newlw ->label.label, __builtin_object_size (XtMalloc((unsigned)strlen (newlw->label.label) + 1), 2 > 1 ? 1 : 0))) : ((void*)0 )); |
669 | was_resized = True1; |
670 | } |
671 | |
672 | if (was_resized || checks[PIXMAP0] || |
673 | curlw->label.font != newlw->label.font || |
674 | #ifdef XAW_INTERNATIONALIZATION1 |
675 | (curlw->simple.international && |
676 | curlw->label.fontset != newlw->label.fontset) || |
677 | #endif |
678 | curlw->label.encoding != newlw->label.encoding || |
679 | curlw->label.justify != newlw->label.justify) { |
680 | SetTextWidthAndHeight(newlw); /* label.label or label.pixmap */ |
681 | was_resized = True1; |
682 | } |
683 | |
684 | if (curlw->label.left_bitmap != newlw->label.left_bitmap || |
685 | curlw->label.internal_width != newlw->label.internal_width || |
686 | curlw->label.internal_height != newlw->label.internal_height) |
687 | was_resized = True1; |
688 | |
689 | /* recalculate the window size if something has changed. */ |
690 | if (newlw->label.resize && was_resized) { |
691 | if (curlw->core.height == reqlw->core.height && !checks[HEIGHT2]) |
692 | newlw->core.height = newlw->label.label_height + |
693 | 2 * newlw->label.internal_height; |
694 | |
695 | set_bitmap_info (newlw); /* req's core.height, sets label.lbm_* */ |
696 | |
697 | if (newlw->label.lbm_height > newlw->label.label_height) |
698 | newlw->core.height = newlw->label.lbm_height + |
699 | 2 * newlw->label.internal_height; |
700 | |
701 | if (curlw->core.width == reqlw->core.width && !checks[WIDTH1]) |
702 | newlw->core.width = newlw->label.label_width + |
703 | 2 * newlw->label.internal_width + |
704 | LEFT_OFFSET(newlw)((newlw)->label.left_bitmap && (newlw)->label.pixmap == 0L ? (newlw)->label.lbm_width + (newlw)->label.internal_width : 0); /* req's label.lbm_width */ |
705 | } |
706 | |
707 | /* enforce minimum dimensions */ |
708 | if (newlw->label.resize) { |
709 | if (checks[HEIGHT2]) { |
710 | if (newlw->label.label_height > newlw->label.lbm_height) |
711 | i = newlw->label.label_height + |
712 | 2 * newlw->label.internal_height; |
713 | else |
714 | i = newlw->label.lbm_height + 2 * newlw->label.internal_height; |
715 | if (i > newlw->core.height) |
716 | newlw->core.height = i; |
717 | } |
718 | if (checks[WIDTH1]) { |
719 | i = newlw->label.label_width + 2 * newlw->label.internal_width + |
720 | LEFT_OFFSET(newlw)((newlw)->label.left_bitmap && (newlw)->label.pixmap == 0L ? (newlw)->label.lbm_width + (newlw)->label.internal_width : 0); /* req's label.lbm_width */ |
721 | if (i > newlw->core.width) |
722 | newlw->core.width = i; |
723 | } |
724 | } |
725 | |
726 | if (curlw->core.background_pixel != newlw->core.background_pixel || |
727 | curlw->label.foreground != newlw->label.foreground || |
728 | curlw->label.font->fid != newlw->label.font->fid) { |
729 | /* the fontset is not in the GC - no new GC if fontset changes */ |
730 | XtReleaseGC(new, curlw->label.normal_GC); |
731 | XtReleaseGC(new, curlw->label.gray_GC); |
732 | XmuReleaseStippledPixmap( XtScreen(current)((current)->core.screen), curlw->label.stipple ); |
733 | GetnormalGC(newlw); |
734 | GetgrayGC(newlw); |
735 | redisplay = True1; |
736 | } |
737 | |
738 | #ifdef XAW_MULTIPLANE_PIXMAPS |
739 | if (curlw->label.pixmap != newlw->label.pixmap) |
740 | { |
741 | newlw->label.stippled = None0L; |
742 | if (curlw->label.stippled != None0L) |
743 | XFreePixmap(XtDisplay(current)(((current)->core.screen)->display), curlw->label.stippled); |
744 | } |
745 | if (curlw->label.left_bitmap != newlw->label.left_bitmap) |
746 | { |
747 | newlw->label.left_stippled = None0L; |
748 | if (curlw->label.left_stippled != None0L) |
749 | XFreePixmap(XtDisplay(current)(((current)->core.screen)->display), curlw->label.left_stippled); |
750 | } |
751 | #endif |
752 | |
753 | if (was_resized) { |
754 | Position dx, dy; |
755 | |
756 | /* Resize() will be called if geometry changes succeed */ |
757 | _Reposition(newlw, curlw->core.width, curlw->core.height, &dx, &dy); |
758 | } |
759 | |
760 | return was_resized || redisplay || |
761 | XtIsSensitive(current) != XtIsSensitive(new); |
762 | } |
763 | |
764 | static void |
765 | Destroy(Widget w) |
766 | { |
767 | LabelWidget lw = (LabelWidget)w; |
768 | |
769 | if ( lw->label.label != lw->core.name ) |
770 | XtFree( lw->label.label ); |
771 | XtReleaseGC( w, lw->label.normal_GC ); |
772 | XtReleaseGC( w, lw->label.gray_GC); |
773 | #ifdef XAW_MULTIPLANE_PIXMAPS |
774 | if (lw->label.stippled != None0L) |
775 | XFreePixmap(XtDisplay(w)(((w)->core.screen)->display), lw->label.stippled); |
776 | if (lw->label.left_stippled != None0L) |
777 | XFreePixmap(XtDisplay(w)(((w)->core.screen)->display), lw->label.left_stippled); |
778 | #endif |
779 | XmuReleaseStippledPixmap( XtScreen(w)((w)->core.screen), lw->label.stipple ); |
780 | } |
781 | |
782 | |
783 | static XtGeometryResult |
784 | QueryGeometry(Widget w, XtWidgetGeometry *intended, XtWidgetGeometry *preferred) |
785 | { |
786 | LabelWidget lw = (LabelWidget)w; |
787 | |
788 | preferred->request_mode = CWWidth(1<<2) | CWHeight(1<<3); |
789 | preferred->width = (lw->label.label_width + |
790 | 2 * lw->label.internal_width + |
791 | LEFT_OFFSET(lw)((lw)->label.left_bitmap && (lw)->label.pixmap == 0L ? (lw)->label.lbm_width + (lw)->label.internal_width : 0)); |
792 | preferred->height = lw->label.label_height + |
793 | 2 * lw->label.internal_height; |
794 | if ( ((intended->request_mode & (CWWidth(1<<2) | CWHeight(1<<3))) |
795 | == (CWWidth(1<<2) | CWHeight(1<<3))) && |
796 | intended->width == preferred->width && |
797 | intended->height == preferred->height) |
798 | return XtGeometryYes; |
799 | else if (preferred->width == w->core.width && |
800 | preferred->height == w->core.height) |
801 | return XtGeometryNo; |
802 | else |
803 | return XtGeometryAlmost; |
804 | } |