Label.c revision 7a84e134
17a84e134Smrg/* $Xorg: Label.c,v 1.5 2001/02/09 02:03:43 xorgcvs Exp $ */ 27a84e134Smrg 37a84e134Smrg/*********************************************************** 47a84e134Smrg 57a84e134SmrgCopyright 1987, 1988, 1994, 1998 The Open Group 67a84e134Smrg 77a84e134SmrgPermission to use, copy, modify, distribute, and sell this software and its 87a84e134Smrgdocumentation for any purpose is hereby granted without fee, provided that 97a84e134Smrgthe above copyright notice appear in all copies and that both that 107a84e134Smrgcopyright notice and this permission notice appear in supporting 117a84e134Smrgdocumentation. 127a84e134Smrg 137a84e134SmrgThe above copyright notice and this permission notice shall be included in 147a84e134Smrgall copies or substantial portions of the Software. 157a84e134Smrg 167a84e134SmrgTHE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 177a84e134SmrgIMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 187a84e134SmrgFITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 197a84e134SmrgOPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 207a84e134SmrgAN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 217a84e134SmrgCONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 227a84e134Smrg 237a84e134SmrgExcept as contained in this notice, the name of The Open Group shall not be 247a84e134Smrgused in advertising or otherwise to promote the sale, use or other dealings 257a84e134Smrgin this Software without prior written authorization from The Open Group. 267a84e134Smrg 277a84e134Smrg 287a84e134SmrgCopyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts. 297a84e134Smrg 307a84e134Smrg All Rights Reserved 317a84e134Smrg 327a84e134SmrgPermission to use, copy, modify, and distribute this software and its 337a84e134Smrgdocumentation for any purpose and without fee is hereby granted, 347a84e134Smrgprovided that the above copyright notice appear in all copies and that 357a84e134Smrgboth that copyright notice and this permission notice appear in 367a84e134Smrgsupporting documentation, and that the name of Digital not be 377a84e134Smrgused in advertising or publicity pertaining to distribution of the 387a84e134Smrgsoftware without specific, written prior permission. 397a84e134Smrg 407a84e134SmrgDIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING 417a84e134SmrgALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL 427a84e134SmrgDIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR 437a84e134SmrgANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, 447a84e134SmrgWHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, 457a84e134SmrgARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS 467a84e134SmrgSOFTWARE. 477a84e134Smrg 487a84e134Smrg******************************************************************/ 497a84e134Smrg/* $XFree86: xc/lib/Xaw/Label.c,v 1.12 2001/01/17 19:42:27 dawes Exp $ */ 507a84e134Smrg 517a84e134Smrg#ifdef HAVE_CONFIG_H 527a84e134Smrg#include <config.h> 537a84e134Smrg#endif 547a84e134Smrg#include <stdio.h> 557a84e134Smrg#include <ctype.h> 567a84e134Smrg#include <X11/IntrinsicP.h> 577a84e134Smrg#include <X11/StringDefs.h> 587a84e134Smrg#include <X11/Xos.h> 597a84e134Smrg#include <X11/Xmu/Converters.h> 607a84e134Smrg#include <X11/Xmu/Drawing.h> 617a84e134Smrg#include <X11/Xaw/LabelP.h> 627a84e134Smrg#include <X11/Xaw/XawInit.h> 637a84e134Smrg#include "Private.h" 647a84e134Smrg 657a84e134Smrg#define streq(a, b) (strcmp((a), (b)) == 0) 667a84e134Smrg 677a84e134Smrg#define MULTI_LINE_LABEL 32767 687a84e134Smrg 697a84e134Smrg#ifdef CRAY 707a84e134Smrg#define WORD64 717a84e134Smrg#endif 727a84e134Smrg 737a84e134Smrg/* 747a84e134Smrg * Class Methods 757a84e134Smrg */ 767a84e134Smrgstatic void XawLabelClassInitialize(void); 777a84e134Smrgstatic void XawLabelDestroy(Widget); 787a84e134Smrgstatic void XawLabelInitialize(Widget, Widget, ArgList, Cardinal*); 797a84e134Smrgstatic XtGeometryResult XawLabelQueryGeometry(Widget, XtWidgetGeometry*, 807a84e134Smrg XtWidgetGeometry*); 817a84e134Smrgstatic void XawLabelRedisplay(Widget, XEvent*, Region); 827a84e134Smrgstatic void XawLabelResize(Widget); 837a84e134Smrgstatic Boolean XawLabelSetValues(Widget, Widget, Widget, 847a84e134Smrg ArgList, Cardinal*); 857a84e134Smrg 867a84e134Smrg/* 877a84e134Smrg * Prototypes 887a84e134Smrg */ 897a84e134Smrg#ifdef WORD64 907a84e134Smrgstatic int _XawLabelWidth16(XFontStruct*, char*, int); 917a84e134Smrgstatic void _XawLabelDraw16(Display*, Drawable, GC, int, int, char*, int); 927a84e134Smrg#endif 937a84e134Smrgstatic void compute_bitmap_offsets(LabelWidget); 947a84e134Smrgstatic void GetGrayGC(LabelWidget); 957a84e134Smrgstatic void GetNormalGC(LabelWidget); 967a84e134Smrgstatic void _Reposition(LabelWidget, unsigned int, unsigned int, 977a84e134Smrg Position*, Position*); 987a84e134Smrgstatic void set_bitmap_info(LabelWidget); 997a84e134Smrgstatic void SetTextWidthAndHeight(LabelWidget); 1007a84e134Smrg 1017a84e134Smrg/* 1027a84e134Smrg * Initialization 1037a84e134Smrg */ 1047a84e134Smrg#define offset(field) XtOffsetOf(LabelRec, field) 1057a84e134Smrgstatic XtResource resources[] = { 1067a84e134Smrg { 1077a84e134Smrg XtNforeground, 1087a84e134Smrg XtCForeground, 1097a84e134Smrg XtRPixel, 1107a84e134Smrg sizeof(Pixel), 1117a84e134Smrg offset(label.foreground), 1127a84e134Smrg XtRString, 1137a84e134Smrg XtDefaultForeground 1147a84e134Smrg }, 1157a84e134Smrg { 1167a84e134Smrg XtNfont, 1177a84e134Smrg XtCFont, 1187a84e134Smrg XtRFontStruct, 1197a84e134Smrg sizeof(XFontStruct*), 1207a84e134Smrg offset(label.font), 1217a84e134Smrg XtRString, 1227a84e134Smrg XtDefaultFont 1237a84e134Smrg }, 1247a84e134Smrg { 1257a84e134Smrg XtNfontSet, 1267a84e134Smrg XtCFontSet, 1277a84e134Smrg XtRFontSet, 1287a84e134Smrg sizeof(XFontSet), 1297a84e134Smrg offset(label.fontset), 1307a84e134Smrg XtRString, 1317a84e134Smrg XtDefaultFontSet 1327a84e134Smrg }, 1337a84e134Smrg { 1347a84e134Smrg XtNlabel, 1357a84e134Smrg XtCLabel, 1367a84e134Smrg XtRString, 1377a84e134Smrg sizeof(String), 1387a84e134Smrg offset(label.label), 1397a84e134Smrg XtRString, 1407a84e134Smrg NULL 1417a84e134Smrg }, 1427a84e134Smrg { 1437a84e134Smrg XtNencoding, 1447a84e134Smrg XtCEncoding, 1457a84e134Smrg XtRUnsignedChar, 1467a84e134Smrg sizeof(unsigned char), 1477a84e134Smrg offset(label.encoding), 1487a84e134Smrg XtRImmediate, 1497a84e134Smrg (XtPointer)XawTextEncoding8bit 1507a84e134Smrg }, 1517a84e134Smrg { 1527a84e134Smrg XtNjustify, 1537a84e134Smrg XtCJustify, 1547a84e134Smrg XtRJustify, 1557a84e134Smrg sizeof(XtJustify), 1567a84e134Smrg offset(label.justify), 1577a84e134Smrg XtRImmediate, 1587a84e134Smrg (XtPointer)XtJustifyCenter 1597a84e134Smrg }, 1607a84e134Smrg { 1617a84e134Smrg XtNinternalWidth, 1627a84e134Smrg XtCWidth, 1637a84e134Smrg XtRDimension, 1647a84e134Smrg sizeof(Dimension), 1657a84e134Smrg offset(label.internal_width), 1667a84e134Smrg XtRImmediate, 1677a84e134Smrg (XtPointer)4 1687a84e134Smrg }, 1697a84e134Smrg { 1707a84e134Smrg XtNinternalHeight, 1717a84e134Smrg XtCHeight, 1727a84e134Smrg XtRDimension, 1737a84e134Smrg sizeof(Dimension), 1747a84e134Smrg offset(label.internal_height), 1757a84e134Smrg XtRImmediate, 1767a84e134Smrg (XtPointer)2 1777a84e134Smrg }, 1787a84e134Smrg { 1797a84e134Smrg XtNleftBitmap, 1807a84e134Smrg XtCLeftBitmap, 1817a84e134Smrg XtRBitmap, 1827a84e134Smrg sizeof(Pixmap), 1837a84e134Smrg offset(label.left_bitmap), 1847a84e134Smrg XtRImmediate, 1857a84e134Smrg (XtPointer)None 1867a84e134Smrg }, 1877a84e134Smrg { 1887a84e134Smrg XtNbitmap, 1897a84e134Smrg XtCPixmap, 1907a84e134Smrg XtRBitmap, 1917a84e134Smrg sizeof(Pixmap), 1927a84e134Smrg offset(label.pixmap), 1937a84e134Smrg XtRImmediate, 1947a84e134Smrg (XtPointer)None 1957a84e134Smrg }, 1967a84e134Smrg { 1977a84e134Smrg XtNresize, 1987a84e134Smrg XtCResize, 1997a84e134Smrg XtRBoolean, 2007a84e134Smrg sizeof(Boolean), 2017a84e134Smrg offset(label.resize), 2027a84e134Smrg XtRImmediate, 2037a84e134Smrg (XtPointer)True 2047a84e134Smrg }, 2057a84e134Smrg { 2067a84e134Smrg XtNlabelX, 2077a84e134Smrg XtCPosition, 2087a84e134Smrg XtRPosition, 2097a84e134Smrg sizeof(Position), 2107a84e134Smrg offset(label.label_x), 2117a84e134Smrg XtRImmediate, 2127a84e134Smrg (XtPointer)0 2137a84e134Smrg }, 2147a84e134Smrg { 2157a84e134Smrg XtNlabelY, 2167a84e134Smrg XtCPosition, 2177a84e134Smrg XtRPosition, 2187a84e134Smrg sizeof(Position), 2197a84e134Smrg offset(label.label_y), 2207a84e134Smrg XtRImmediate, 2217a84e134Smrg (XtPointer)0 2227a84e134Smrg }, 2237a84e134Smrg}; 2247a84e134Smrg#undef offset 2257a84e134Smrg 2267a84e134Smrg#define Superclass (&simpleClassRec) 2277a84e134SmrgLabelClassRec labelClassRec = { 2287a84e134Smrg /* core */ 2297a84e134Smrg { 2307a84e134Smrg (WidgetClass)&simpleClassRec, /* superclass */ 2317a84e134Smrg "Label", /* class_name */ 2327a84e134Smrg sizeof(LabelRec), /* widget_size */ 2337a84e134Smrg XawLabelClassInitialize, /* class_initialize */ 2347a84e134Smrg NULL, /* class_part_initialize */ 2357a84e134Smrg False, /* class_inited */ 2367a84e134Smrg XawLabelInitialize, /* initialize */ 2377a84e134Smrg NULL, /* initialize_hook */ 2387a84e134Smrg XtInheritRealize, /* realize */ 2397a84e134Smrg NULL, /* actions */ 2407a84e134Smrg 0, /* num_actions */ 2417a84e134Smrg resources, /* resources */ 2427a84e134Smrg XtNumber(resources), /* num_resources */ 2437a84e134Smrg NULLQUARK, /* xrm_class */ 2447a84e134Smrg True, /* compress_motion */ 2457a84e134Smrg True, /* compress_exposure */ 2467a84e134Smrg True, /* compress_enterleave */ 2477a84e134Smrg False, /* visible_interest */ 2487a84e134Smrg XawLabelDestroy, /* destroy */ 2497a84e134Smrg XawLabelResize, /* resize */ 2507a84e134Smrg XawLabelRedisplay, /* expose */ 2517a84e134Smrg XawLabelSetValues, /* set_values */ 2527a84e134Smrg NULL, /* set_values_hook */ 2537a84e134Smrg XtInheritSetValuesAlmost, /* set_values_almost */ 2547a84e134Smrg NULL, /* get_values_hook */ 2557a84e134Smrg NULL, /* accept_focus */ 2567a84e134Smrg XtVersion, /* version */ 2577a84e134Smrg NULL, /* callback_private */ 2587a84e134Smrg NULL, /* tm_table */ 2597a84e134Smrg XawLabelQueryGeometry, /* query_geometry */ 2607a84e134Smrg XtInheritDisplayAccelerator, /* display_accelerator */ 2617a84e134Smrg NULL, /* extension */ 2627a84e134Smrg }, 2637a84e134Smrg /* simple */ 2647a84e134Smrg { 2657a84e134Smrg XtInheritChangeSensitive, /* change_sensitive */ 2667a84e134Smrg }, 2677a84e134Smrg /* label */ 2687a84e134Smrg { 2697a84e134Smrg NULL, /* extension */ 2707a84e134Smrg } 2717a84e134Smrg}; 2727a84e134Smrg 2737a84e134SmrgWidgetClass labelWidgetClass = (WidgetClass)&labelClassRec; 2747a84e134Smrg 2757a84e134Smrg/* 2767a84e134Smrg * Implementation 2777a84e134Smrg */ 2787a84e134Smrgstatic void 2797a84e134SmrgXawLabelClassInitialize(void) 2807a84e134Smrg{ 2817a84e134Smrg XawInitializeWidgetSet(); 2827a84e134Smrg XtAddConverter(XtRString, XtRJustify, XmuCvtStringToJustify, NULL, 0); 2837a84e134Smrg XtSetTypeConverter(XtRJustify, XtRString, XmuCvtJustifyToString, 2847a84e134Smrg NULL, 0, XtCacheNone, NULL); 2857a84e134Smrg} 2867a84e134Smrg 2877a84e134Smrg#ifndef WORD64 2887a84e134Smrg#define TXT16 XChar2b 2897a84e134Smrg#else 2907a84e134Smrg#define TXT16 char 2917a84e134Smrg 2927a84e134Smrgstatic XChar2b *buf2b; 2937a84e134Smrgstatic int buf2blen = 0; 2947a84e134Smrg 2957a84e134Smrgstatic int 2967a84e134Smrg_XawLabelWidth16(XFontStruct *fs, char *str, int n) 2977a84e134Smrg{ 2987a84e134Smrg int i; 2997a84e134Smrg XChar2b *ptr; 3007a84e134Smrg 3017a84e134Smrg if (n > buf2blen) { 3027a84e134Smrg buf2b = (XChar2b *)XtRealloc((char *)buf2b, n * sizeof(XChar2b)); 3037a84e134Smrg buf2blen = n; 3047a84e134Smrg } 3057a84e134Smrg for (ptr = buf2b, i = n; --i >= 0; ptr++) { 3067a84e134Smrg ptr->byte1 = *str++; 3077a84e134Smrg ptr->byte2 = *str++; 3087a84e134Smrg } 3097a84e134Smrg 3107a84e134Smrg return (XTextWidth16(fs, buf2b, n)); 3117a84e134Smrg} 3127a84e134Smrg 3137a84e134Smrgstatic void 3147a84e134Smrg_XawLabelDraw16(Display *dpy, Drawable d, GC gc, int x, int y, 3157a84e134Smrg char *str, int n) 3167a84e134Smrg{ 3177a84e134Smrg int i; 3187a84e134Smrg XChar2b *ptr; 3197a84e134Smrg 3207a84e134Smrg if (n > buf2blen) { 3217a84e134Smrg buf2b = (XChar2b *)XtRealloc((char *)buf2b, n * sizeof(XChar2b)); 3227a84e134Smrg buf2blen = n; 3237a84e134Smrg } 3247a84e134Smrg for (ptr = buf2b, i = n; --i >= 0; ptr++) { 3257a84e134Smrg ptr->byte1 = *str++; 3267a84e134Smrg ptr->byte2 = *str++; 3277a84e134Smrg } 3287a84e134Smrg XDrawString16(dpy, d, gc, x, y, buf2b, n); 3297a84e134Smrg} 3307a84e134Smrg 3317a84e134Smrg#define XTextWidth16 _XawLabelWidth16 3327a84e134Smrg#define XDrawString16 _XawLabelDraw16 3337a84e134Smrg#endif /* WORD64 */ 3347a84e134Smrg 3357a84e134Smrg/* 3367a84e134Smrg * Calculate width and height of displayed text in pixels 3377a84e134Smrg */ 3387a84e134Smrgstatic void 3397a84e134SmrgSetTextWidthAndHeight(LabelWidget lw) 3407a84e134Smrg{ 3417a84e134Smrg XFontStruct *fs = lw->label.font; 3427a84e134Smrg char *nl; 3437a84e134Smrg 3447a84e134Smrg if (lw->label.pixmap != None) { 3457a84e134Smrg Window root; 3467a84e134Smrg int x, y; 3477a84e134Smrg unsigned int width, height, bw, depth; 3487a84e134Smrg 3497a84e134Smrg if (XGetGeometry(XtDisplay(lw), lw->label.pixmap, &root, &x, &y, 3507a84e134Smrg &width, &height, &bw, &depth)) { 3517a84e134Smrg lw->label.label_height = height; 3527a84e134Smrg lw->label.label_width = width; 3537a84e134Smrg lw->label.label_len = depth; 3547a84e134Smrg return; 3557a84e134Smrg } 3567a84e134Smrg } 3577a84e134Smrg if (lw->simple.international == True) { 3587a84e134Smrg XFontSet fset = lw->label.fontset; 3597a84e134Smrg XFontSetExtents *ext = XExtentsOfFontSet(fset); 3607a84e134Smrg 3617a84e134Smrg lw->label.label_height = ext->max_ink_extent.height; 3627a84e134Smrg if (lw->label.label == NULL) { 3637a84e134Smrg lw->label.label_len = 0; 3647a84e134Smrg lw->label.label_width = 0; 3657a84e134Smrg } 3667a84e134Smrg else if ((nl = index(lw->label.label, '\n')) != NULL) { 3677a84e134Smrg char *label; 3687a84e134Smrg 3697a84e134Smrg lw->label.label_len = MULTI_LINE_LABEL; 3707a84e134Smrg lw->label.label_width = 0; 3717a84e134Smrg for (label = lw->label.label; nl != NULL; nl = index(label, '\n')) { 3727a84e134Smrg int width = XmbTextEscapement(fset, label, (int)(nl - label)); 3737a84e134Smrg 3747a84e134Smrg if (width > (int)lw->label.label_width) 3757a84e134Smrg lw->label.label_width = width; 3767a84e134Smrg label = nl + 1; 3777a84e134Smrg if (*label) 3787a84e134Smrg lw->label.label_height += ext->max_ink_extent.height; 3797a84e134Smrg } 3807a84e134Smrg if (*label) { 3817a84e134Smrg int width = XmbTextEscapement(fset, label, strlen(label)); 3827a84e134Smrg 3837a84e134Smrg if (width > (int)lw->label.label_width) 3847a84e134Smrg lw->label.label_width = width; 3857a84e134Smrg } 3867a84e134Smrg } 3877a84e134Smrg else { 3887a84e134Smrg lw->label.label_len = strlen(lw->label.label); 3897a84e134Smrg lw->label.label_width = 3907a84e134Smrg XmbTextEscapement(fset, lw->label.label, lw->label.label_len); 3917a84e134Smrg } 3927a84e134Smrg } 3937a84e134Smrg else { 3947a84e134Smrg lw->label.label_height = fs->max_bounds.ascent + fs->max_bounds.descent; 3957a84e134Smrg if (lw->label.label == NULL) { 3967a84e134Smrg lw->label.label_len = 0; 3977a84e134Smrg lw->label.label_width = 0; 3987a84e134Smrg } 3997a84e134Smrg else if ((nl = index(lw->label.label, '\n')) != NULL) { 4007a84e134Smrg char *label; 4017a84e134Smrg 4027a84e134Smrg lw->label.label_len = MULTI_LINE_LABEL; 4037a84e134Smrg lw->label.label_width = 0; 4047a84e134Smrg for (label = lw->label.label; nl != NULL; nl = index(label, '\n')) { 4057a84e134Smrg int width; 4067a84e134Smrg 4077a84e134Smrg if (lw->label.encoding) 4087a84e134Smrg width = XTextWidth16(fs, (TXT16*)label, (int)(nl - label) / 2); 4097a84e134Smrg else 4107a84e134Smrg width = XTextWidth(fs, label, (int)(nl - label)); 4117a84e134Smrg if (width > (int)lw->label.label_width) 4127a84e134Smrg lw->label.label_width = width; 4137a84e134Smrg label = nl + 1; 4147a84e134Smrg if (*label) 4157a84e134Smrg lw->label.label_height += 4167a84e134Smrg fs->max_bounds.ascent + fs->max_bounds.descent; 4177a84e134Smrg } 4187a84e134Smrg if (*label) { 4197a84e134Smrg int width = XTextWidth(fs, label, strlen(label)); 4207a84e134Smrg 4217a84e134Smrg if (lw->label.encoding) 4227a84e134Smrg width = XTextWidth16(fs, (TXT16*)label, strlen(label) / 2); 4237a84e134Smrg else 4247a84e134Smrg width = XTextWidth(fs, label, strlen(label)); 4257a84e134Smrg if (width > (int) lw->label.label_width) 4267a84e134Smrg lw->label.label_width = width; 4277a84e134Smrg } 4287a84e134Smrg } 4297a84e134Smrg else { 4307a84e134Smrg lw->label.label_len = strlen(lw->label.label); 4317a84e134Smrg if (lw->label.encoding) 4327a84e134Smrg lw->label.label_width = 4337a84e134Smrg XTextWidth16(fs, (TXT16*)lw->label.label, 4347a84e134Smrg (int)lw->label.label_len / 2); 4357a84e134Smrg else 4367a84e134Smrg lw->label.label_width = 4377a84e134Smrg XTextWidth(fs, lw->label.label, (int)lw->label.label_len); 4387a84e134Smrg } 4397a84e134Smrg } 4407a84e134Smrg} 4417a84e134Smrg 4427a84e134Smrgstatic void 4437a84e134SmrgGetNormalGC(LabelWidget lw) 4447a84e134Smrg{ 4457a84e134Smrg XGCValues values; 4467a84e134Smrg 4477a84e134Smrg values.foreground = lw->label.foreground; 4487a84e134Smrg values.background = lw->core.background_pixel; 4497a84e134Smrg values.font = lw->label.font->fid; 4507a84e134Smrg values.graphics_exposures = False; 4517a84e134Smrg 4527a84e134Smrg if (lw->simple.international == True) 4537a84e134Smrg /* Since Xmb/wcDrawString eats the font, I must use XtAllocateGC */ 4547a84e134Smrg lw->label.normal_GC = XtAllocateGC((Widget)lw, 0, 4557a84e134Smrg GCForeground | GCBackground | 4567a84e134Smrg GCGraphicsExposures, 4577a84e134Smrg &values, GCFont, 0); 4587a84e134Smrg else 4597a84e134Smrg lw->label.normal_GC = XtGetGC((Widget)lw, 4607a84e134Smrg GCForeground | GCBackground | GCFont | 4617a84e134Smrg GCGraphicsExposures, &values); 4627a84e134Smrg} 4637a84e134Smrg 4647a84e134Smrgstatic void 4657a84e134SmrgGetGrayGC(LabelWidget lw) 4667a84e134Smrg{ 4677a84e134Smrg XGCValues values; 4687a84e134Smrg 4697a84e134Smrg values.foreground = lw->label.foreground; 4707a84e134Smrg values.background = lw->core.background_pixel; 4717a84e134Smrg values.font = lw->label.font->fid; 4727a84e134Smrg values.fill_style = FillTiled; 4737a84e134Smrg values.tile = XmuCreateStippledPixmap(XtScreen((Widget)lw), 4747a84e134Smrg lw->label.foreground, 4757a84e134Smrg lw->core.background_pixel, 4767a84e134Smrg lw->core.depth); 4777a84e134Smrg values.graphics_exposures = False; 4787a84e134Smrg 4797a84e134Smrg lw->label.stipple = values.tile; 4807a84e134Smrg if (lw->simple.international == True) 4817a84e134Smrg /* Since Xmb/wcDrawString eats the font, I must use XtAllocateGC */ 4827a84e134Smrg lw->label.gray_GC = XtAllocateGC((Widget)lw, 0, 4837a84e134Smrg GCForeground | GCBackground | 4847a84e134Smrg GCTile | GCFillStyle | 4857a84e134Smrg GCGraphicsExposures, 4867a84e134Smrg &values, GCFont, 0); 4877a84e134Smrg else 4887a84e134Smrg lw->label.gray_GC = XtGetGC((Widget)lw, 4897a84e134Smrg GCForeground | GCBackground | 4907a84e134Smrg GCFont | GCTile | GCFillStyle | 4917a84e134Smrg GCGraphicsExposures, 4927a84e134Smrg &values); 4937a84e134Smrg} 4947a84e134Smrg 4957a84e134Smrgstatic void 4967a84e134Smrgcompute_bitmap_offsets(LabelWidget lw) 4977a84e134Smrg{ 4987a84e134Smrg /* 4997a84e134Smrg * bitmap will be eventually be displayed at 5007a84e134Smrg * (internal_width, internal_height + lbm_y) 5017a84e134Smrg */ 5027a84e134Smrg if (lw->label.lbm_height != 0) 5037a84e134Smrg lw->label.lbm_y = (XtHeight(lw) - (lw->label.internal_height * 2 + 5047a84e134Smrg lw->label.lbm_height)) / 2; 5057a84e134Smrg else 5067a84e134Smrg lw->label.lbm_y = 0; 5077a84e134Smrg} 5087a84e134Smrg 5097a84e134Smrgstatic void 5107a84e134Smrgset_bitmap_info(LabelWidget lw) 5117a84e134Smrg{ 5127a84e134Smrg Window root; 5137a84e134Smrg int x, y; 5147a84e134Smrg unsigned int bw, depth; 5157a84e134Smrg 5167a84e134Smrg if (!(lw->label.left_bitmap 5177a84e134Smrg && XGetGeometry(XtDisplay(lw), lw->label.left_bitmap, &root, &x, &y, 5187a84e134Smrg &lw->label.lbm_width, &lw->label.lbm_height, 5197a84e134Smrg &bw, &depth))) 5207a84e134Smrg lw->label.lbm_width = lw->label.lbm_height = 0; 5217a84e134Smrg 5227a84e134Smrg compute_bitmap_offsets(lw); 5237a84e134Smrg} 5247a84e134Smrg 5257a84e134Smrg/*ARGSUSED*/ 5267a84e134Smrgstatic void 5277a84e134SmrgXawLabelInitialize(Widget request, Widget cnew, 5287a84e134Smrg ArgList args, Cardinal *num_args) 5297a84e134Smrg{ 5307a84e134Smrg LabelWidget lw = (LabelWidget)cnew; 5317a84e134Smrg 5327a84e134Smrg if (!lw->label.font) XtError("Aborting: no font found\n"); 5337a84e134Smrg if (lw->simple.international && !lw->label.fontset) 5347a84e134Smrg XtError("Aborting: no fontset found\n"); 5357a84e134Smrg 5367a84e134Smrg if (lw->label.label == NULL) 5377a84e134Smrg lw->label.label = XtNewString(lw->core.name); 5387a84e134Smrg else 5397a84e134Smrg lw->label.label = XtNewString(lw->label.label); 5407a84e134Smrg 5417a84e134Smrg GetNormalGC(lw); 5427a84e134Smrg GetGrayGC(lw); 5437a84e134Smrg 5447a84e134Smrg SetTextWidthAndHeight(lw); 5457a84e134Smrg 5467a84e134Smrg if (XtHeight(lw) == 0) 5477a84e134Smrg XtHeight(lw) = lw->label.label_height + 2 * lw->label.internal_height; 5487a84e134Smrg 5497a84e134Smrg set_bitmap_info(lw); /* need core.height */ 5507a84e134Smrg 5517a84e134Smrg if (XtWidth(lw) == 0) /* need label.lbm_width */ 5527a84e134Smrg XtWidth(lw) = lw->label.label_width + 2 * lw->label.internal_width + 5537a84e134Smrg LEFT_OFFSET(lw); 5547a84e134Smrg 5557a84e134Smrg lw->label.label_x = lw->label.label_y = 0; 5567a84e134Smrg (*XtClass(cnew)->core_class.resize)((Widget)lw); 5577a84e134Smrg} 5587a84e134Smrg 5597a84e134Smrg/*ARGSUSED*/ 5607a84e134Smrgstatic void 5617a84e134SmrgXawLabelRedisplay(Widget gw, XEvent *event, Region region) 5627a84e134Smrg{ 5637a84e134Smrg LabelWidget w = (LabelWidget)gw; 5647a84e134Smrg GC gc; 5657a84e134Smrg 5667a84e134Smrg if (*Superclass->core_class.expose != NULL) 5677a84e134Smrg (*Superclass->core_class.expose)(gw, event, region); 5687a84e134Smrg 5697a84e134Smrg gc = XtIsSensitive(gw) ? w->label.normal_GC : w->label.gray_GC; 5707a84e134Smrg#ifdef notdef 5717a84e134Smrg if (region != NULL) 5727a84e134Smrg XSetRegion(XtDisplay(gw), gc, region); 5737a84e134Smrg#endif /*notdef*/ 5747a84e134Smrg 5757a84e134Smrg if (w->label.pixmap == None) { 5767a84e134Smrg int len = w->label.label_len; 5777a84e134Smrg char *label = w->label.label; 5787a84e134Smrg Position y = w->label.label_y + w->label.font->max_bounds.ascent; 5797a84e134Smrg Position ksy = w->label.label_y; 5807a84e134Smrg 5817a84e134Smrg /* display left bitmap */ 5827a84e134Smrg if (w->label.left_bitmap && w->label.lbm_width != 0) 5837a84e134Smrg XCopyPlane (XtDisplay(gw), w->label.left_bitmap, XtWindow(gw), gc, 5847a84e134Smrg 0, 0, w->label.lbm_width, w->label.lbm_height, 5857a84e134Smrg w->label.internal_width, 5867a84e134Smrg w->label.internal_height + w->label.lbm_y, 1L); 5877a84e134Smrg 5887a84e134Smrg if (w->simple.international == True) { 5897a84e134Smrg XFontSetExtents *ext = XExtentsOfFontSet(w->label.fontset); 5907a84e134Smrg 5917a84e134Smrg ksy += XawAbs(ext->max_ink_extent.y); 5927a84e134Smrg 5937a84e134Smrg if (len == MULTI_LINE_LABEL) { 5947a84e134Smrg char *nl; 5957a84e134Smrg 5967a84e134Smrg while ((nl = index(label, '\n')) != NULL) { 5977a84e134Smrg XmbDrawString(XtDisplay(w), XtWindow(w), w->label.fontset, 5987a84e134Smrg gc, w->label.label_x, ksy, label, 5997a84e134Smrg (int)(nl - label)); 6007a84e134Smrg ksy += ext->max_ink_extent.height; 6017a84e134Smrg label = nl + 1; 6027a84e134Smrg } 6037a84e134Smrg len = strlen(label); 6047a84e134Smrg } 6057a84e134Smrg if (len) 6067a84e134Smrg XmbDrawString(XtDisplay(w), XtWindow(w), w->label.fontset, gc, 6077a84e134Smrg w->label.label_x, ksy, label, len); 6087a84e134Smrg } 6097a84e134Smrg else { 6107a84e134Smrg if (len == MULTI_LINE_LABEL) { 6117a84e134Smrg char *nl; 6127a84e134Smrg 6137a84e134Smrg while ((nl = index(label, '\n')) != NULL) { 6147a84e134Smrg if (w->label.encoding) 6157a84e134Smrg XDrawString16(XtDisplay(gw), XtWindow(gw), gc, 6167a84e134Smrg w->label.label_x, y, 6177a84e134Smrg (TXT16*)label, (int)(nl - label) / 2); 6187a84e134Smrg else 6197a84e134Smrg XDrawString(XtDisplay(gw), XtWindow(gw), gc, 6207a84e134Smrg w->label.label_x, y, label, (int)(nl - label)); 6217a84e134Smrg y += w->label.font->max_bounds.ascent + 6227a84e134Smrg w->label.font->max_bounds.descent; 6237a84e134Smrg label = nl + 1; 6247a84e134Smrg } 6257a84e134Smrg len = strlen(label); 6267a84e134Smrg } 6277a84e134Smrg if (len) { 6287a84e134Smrg if (w->label.encoding) 6297a84e134Smrg XDrawString16(XtDisplay(gw), XtWindow(gw), gc, 6307a84e134Smrg w->label.label_x, y, (TXT16*)label, len / 2); 6317a84e134Smrg else 6327a84e134Smrg XDrawString(XtDisplay(gw), XtWindow(gw), gc, 6337a84e134Smrg w->label.label_x, y, label, len); 6347a84e134Smrg } 6357a84e134Smrg } 6367a84e134Smrg } 6377a84e134Smrg else if (w->label.label_len == 1) 6387a84e134Smrg XCopyPlane(XtDisplay(gw), w->label.pixmap, XtWindow(gw), gc, 6397a84e134Smrg 0, 0, w->label.label_width, w->label.label_height, 6407a84e134Smrg w->label.label_x, w->label.label_y, 1L); 6417a84e134Smrg else 6427a84e134Smrg XCopyArea(XtDisplay(gw), w->label.pixmap, XtWindow(gw), gc, 6437a84e134Smrg 0, 0, w->label.label_width, w->label.label_height, 6447a84e134Smrg w->label.label_x, w->label.label_y); 6457a84e134Smrg 6467a84e134Smrg#ifdef notdef 6477a84e134Smrg if (region != NULL) 6487a84e134Smrg XSetClipMask(XtDisplay(gw), gc, (Pixmap)None); 6497a84e134Smrg#endif /* notdef */ 6507a84e134Smrg} 6517a84e134Smrg 6527a84e134Smrgstatic void 6537a84e134Smrg_Reposition(LabelWidget lw, unsigned int width, unsigned int height, 6547a84e134Smrg Position *dx, Position *dy) 6557a84e134Smrg{ 6567a84e134Smrg Position newPos; 6577a84e134Smrg Position leftedge = lw->label.internal_width + LEFT_OFFSET(lw); 6587a84e134Smrg 6597a84e134Smrg switch (lw->label.justify) { 6607a84e134Smrg case XtJustifyLeft: 6617a84e134Smrg newPos = leftedge; 6627a84e134Smrg break; 6637a84e134Smrg case XtJustifyRight: 6647a84e134Smrg newPos = width - (lw->label.label_width + lw->label.internal_width); 6657a84e134Smrg break; 6667a84e134Smrg case XtJustifyCenter: 6677a84e134Smrg /*FALLTRHOUGH*/ 6687a84e134Smrg default: 6697a84e134Smrg newPos = (int)(width - lw->label.label_width) >> 1; 6707a84e134Smrg break; 6717a84e134Smrg } 6727a84e134Smrg if (newPos < (Position)leftedge) 6737a84e134Smrg newPos = leftedge; 6747a84e134Smrg *dx = newPos - lw->label.label_x; 6757a84e134Smrg lw->label.label_x = newPos; 6767a84e134Smrg 6777a84e134Smrg newPos = (height - lw->label.label_height) >> 1; 6787a84e134Smrg *dy = newPos - lw->label.label_y; 6797a84e134Smrg lw->label.label_y = newPos; 6807a84e134Smrg} 6817a84e134Smrg 6827a84e134Smrgstatic void 6837a84e134SmrgXawLabelResize(Widget w) 6847a84e134Smrg{ 6857a84e134Smrg LabelWidget lw = (LabelWidget)w; 6867a84e134Smrg Position dx, dy; 6877a84e134Smrg 6887a84e134Smrg _Reposition(lw, XtWidth(w), XtHeight(w), &dx, &dy); 6897a84e134Smrg compute_bitmap_offsets(lw); 6907a84e134Smrg} 6917a84e134Smrg 6927a84e134Smrg#define PIXMAP 0 6937a84e134Smrg#define WIDTH 1 6947a84e134Smrg#define HEIGHT 2 6957a84e134Smrg#define NUM_CHECKS 3 6967a84e134Smrgstatic Boolean 6977a84e134SmrgXawLabelSetValues(Widget current, Widget request, Widget cnew, 6987a84e134Smrg ArgList args, Cardinal *num_args) 6997a84e134Smrg{ 7007a84e134Smrg LabelWidget curlw = (LabelWidget)current; 7017a84e134Smrg LabelWidget reqlw = (LabelWidget)request; 7027a84e134Smrg LabelWidget newlw = (LabelWidget)cnew; 7037a84e134Smrg unsigned int i; 7047a84e134Smrg Boolean was_resized = False, redisplay = False, checks[NUM_CHECKS]; 7057a84e134Smrg 7067a84e134Smrg for (i = 0; i < NUM_CHECKS; i++) 7077a84e134Smrg checks[i] = False; 7087a84e134Smrg 7097a84e134Smrg for (i = 0; i < *num_args; i++) { 7107a84e134Smrg if (streq(XtNbitmap, args[i].name)) 7117a84e134Smrg checks[PIXMAP] = True; 7127a84e134Smrg else if (streq(XtNwidth, args[i].name)) 7137a84e134Smrg checks[WIDTH] = True; 7147a84e134Smrg else if (streq(XtNheight, args[i].name)) 7157a84e134Smrg checks[HEIGHT] = True; 7167a84e134Smrg } 7177a84e134Smrg 7187a84e134Smrg if (newlw->label.label == NULL) 7197a84e134Smrg newlw->label.label = newlw->core.name; 7207a84e134Smrg 7217a84e134Smrg /* 7227a84e134Smrg * resize on bitmap change 7237a84e134Smrg */ 7247a84e134Smrg if (curlw->label.left_bitmap != newlw->label.left_bitmap) 7257a84e134Smrg was_resized = True; 7267a84e134Smrg 7277a84e134Smrg if (curlw->label.encoding != newlw->label.encoding) 7287a84e134Smrg was_resized = True; 7297a84e134Smrg 7307a84e134Smrg if (curlw->simple.international 7317a84e134Smrg && curlw->label.fontset != newlw->label.fontset) 7327a84e134Smrg was_resized = True; 7337a84e134Smrg 7347a84e134Smrg if (curlw->label.label != newlw->label.label) { 7357a84e134Smrg if (curlw->label.label != curlw->core.name) 7367a84e134Smrg XtFree((char *)curlw->label.label); 7377a84e134Smrg 7387a84e134Smrg if (newlw->label.label != newlw->core.name) 7397a84e134Smrg newlw->label.label = XtNewString(newlw->label.label); 7407a84e134Smrg 7417a84e134Smrg was_resized = True; 7427a84e134Smrg } 7437a84e134Smrg 7447a84e134Smrg if (was_resized || (curlw->label.font != newlw->label.font) || 7457a84e134Smrg curlw->label.justify != newlw->label.justify || checks[PIXMAP]) { 7467a84e134Smrg SetTextWidthAndHeight(newlw); 7477a84e134Smrg was_resized = True; 7487a84e134Smrg } 7497a84e134Smrg 7507a84e134Smrg /* recalculate the window size if something has changed */ 7517a84e134Smrg if (newlw->label.resize && was_resized) { 7527a84e134Smrg if (XtHeight(curlw) == XtHeight(reqlw) && !checks[HEIGHT]) 7537a84e134Smrg XtHeight(newlw) = newlw->label.label_height + 7547a84e134Smrg (newlw->label.internal_height << 1); 7557a84e134Smrg 7567a84e134Smrg set_bitmap_info(newlw); 7577a84e134Smrg 7587a84e134Smrg if (XtWidth(curlw) == XtWidth(reqlw) && !checks[WIDTH]) 7597a84e134Smrg XtWidth(newlw) = newlw->label.label_width + LEFT_OFFSET(newlw) + 7607a84e134Smrg (newlw->label.internal_width << 1); 7617a84e134Smrg } 7627a84e134Smrg 7637a84e134Smrg if (curlw->label.foreground != newlw->label.foreground 7647a84e134Smrg || curlw->core.background_pixel != newlw->core.background_pixel 7657a84e134Smrg || curlw->label.font->fid != newlw->label.font->fid) { 7667a84e134Smrg /* The Fontset is not in the GC - don't make a new GC if FS changes! */ 7677a84e134Smrg XtReleaseGC(cnew, curlw->label.normal_GC); 7687a84e134Smrg XtReleaseGC(cnew, curlw->label.gray_GC); 7697a84e134Smrg XmuReleaseStippledPixmap(XtScreen(current), curlw->label.stipple); 7707a84e134Smrg GetNormalGC(newlw); 7717a84e134Smrg GetGrayGC(newlw); 7727a84e134Smrg redisplay = True; 7737a84e134Smrg } 7747a84e134Smrg 7757a84e134Smrg if (curlw->label.label_x != newlw->label.label_x || 7767a84e134Smrg curlw->label.label_y != newlw->label.label_y) 7777a84e134Smrg redisplay = True; 7787a84e134Smrg 7797a84e134Smrg if (curlw->label.internal_width != newlw->label.internal_width 7807a84e134Smrg || curlw->label.internal_height != newlw->label.internal_height 7817a84e134Smrg || was_resized) { 7827a84e134Smrg /* Resize() will be called if geometry changes succeed */ 7837a84e134Smrg Position dx, dy; 7847a84e134Smrg 7857a84e134Smrg _Reposition(newlw, XtWidth(curlw), XtHeight(curlw), &dx, &dy); 7867a84e134Smrg } 7877a84e134Smrg 7887a84e134Smrg return (was_resized || redisplay || 7897a84e134Smrg XtIsSensitive(current) != XtIsSensitive(cnew)); 7907a84e134Smrg} 7917a84e134Smrg 7927a84e134Smrgstatic void 7937a84e134SmrgXawLabelDestroy(Widget w) 7947a84e134Smrg{ 7957a84e134Smrg LabelWidget lw = (LabelWidget)w; 7967a84e134Smrg 7977a84e134Smrg if (lw->label.label != lw->core.name) 7987a84e134Smrg XtFree(lw->label.label); 7997a84e134Smrg XtReleaseGC(w, lw->label.normal_GC); 8007a84e134Smrg XtReleaseGC(w, lw->label.gray_GC); 8017a84e134Smrg XmuReleaseStippledPixmap(XtScreen(w), lw->label.stipple); 8027a84e134Smrg} 8037a84e134Smrg 8047a84e134Smrgstatic XtGeometryResult 8057a84e134SmrgXawLabelQueryGeometry(Widget w, XtWidgetGeometry *intended, 8067a84e134Smrg XtWidgetGeometry *preferred) 8077a84e134Smrg{ 8087a84e134Smrg LabelWidget lw = (LabelWidget)w; 8097a84e134Smrg 8107a84e134Smrg preferred->request_mode = CWWidth | CWHeight; 8117a84e134Smrg preferred->width = lw->label.label_width + 8127a84e134Smrg (lw->label.internal_width << 1) + LEFT_OFFSET(lw); 8137a84e134Smrg preferred->height = lw->label.label_height + 8147a84e134Smrg (lw->label.internal_height << 1); 8157a84e134Smrg 8167a84e134Smrg if (((intended->request_mode & (CWWidth | CWHeight)) == (CWWidth | CWHeight)) 8177a84e134Smrg && intended->width == preferred->width 8187a84e134Smrg && intended->height == preferred->height) 8197a84e134Smrg return (XtGeometryYes); 8207a84e134Smrg else if (preferred->width == XtWidth(w) && preferred->height == XtHeight(w)) 8217a84e134Smrg return (XtGeometryNo); 8227a84e134Smrg 8237a84e134Smrg return (XtGeometryAlmost); 8247a84e134Smrg} 825