diff options
Diffstat (limited to 'libXaw/src/Label.c')
| -rw-r--r-- | libXaw/src/Label.c | 1642 |
1 files changed, 821 insertions, 821 deletions
diff --git a/libXaw/src/Label.c b/libXaw/src/Label.c index 2eea91ff9..5ce3b7dca 100644 --- a/libXaw/src/Label.c +++ b/libXaw/src/Label.c @@ -1,821 +1,821 @@ -/***********************************************************
-
-Copyright 1987, 1988, 1994, 1998 The Open Group
-
-Permission to use, copy, modify, distribute, and sell this software and its
-documentation for any purpose is hereby granted without fee, provided that
-the above copyright notice appear in all copies and that both that
-copyright notice and this permission notice appear in supporting
-documentation.
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
-AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of The Open Group shall not be
-used in advertising or otherwise to promote the sale, use or other dealings
-in this Software without prior written authorization from The Open Group.
-
-
-Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts.
-
- All Rights Reserved
-
-Permission to use, copy, modify, and distribute this software and its
-documentation for any purpose and without fee is hereby granted,
-provided that the above copyright notice appear in all copies and that
-both that copyright notice and this permission notice appear in
-supporting documentation, and that the name of Digital not be
-used in advertising or publicity pertaining to distribution of the
-software without specific, written prior permission.
-
-DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
-ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
-DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
-ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
-WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
-ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
-SOFTWARE.
-
-******************************************************************/
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include <stdio.h>
-#include <ctype.h>
-#include <X11/IntrinsicP.h>
-#include <X11/StringDefs.h>
-#include <X11/Xos.h>
-#include <X11/Xmu/Converters.h>
-#include <X11/Xmu/Drawing.h>
-#include <X11/Xaw/LabelP.h>
-#include <X11/Xaw/XawInit.h>
-#include "Private.h"
-
-#define streq(a, b) (strcmp((a), (b)) == 0)
-
-#define MULTI_LINE_LABEL 32767
-
-#ifdef CRAY
-#define WORD64
-#endif
-
-/*
- * Class Methods
- */
-static void XawLabelClassInitialize(void);
-static void XawLabelDestroy(Widget);
-static void XawLabelInitialize(Widget, Widget, ArgList, Cardinal*);
-static XtGeometryResult XawLabelQueryGeometry(Widget, XtWidgetGeometry*,
- XtWidgetGeometry*);
-static void XawLabelRedisplay(Widget, XEvent*, Region);
-static void XawLabelResize(Widget);
-static Boolean XawLabelSetValues(Widget, Widget, Widget,
- ArgList, Cardinal*);
-
-/*
- * Prototypes
- */
-#ifdef WORD64
-static int _XawLabelWidth16(XFontStruct*, char*, int);
-static void _XawLabelDraw16(Display*, Drawable, GC, int, int, char*, int);
-#endif
-static void compute_bitmap_offsets(LabelWidget);
-static void GetGrayGC(LabelWidget);
-static void GetNormalGC(LabelWidget);
-static void _Reposition(LabelWidget, unsigned int, unsigned int,
- Position*, Position*);
-static void set_bitmap_info(LabelWidget);
-static void SetTextWidthAndHeight(LabelWidget);
-
-/*
- * Initialization
- */
-#define offset(field) XtOffsetOf(LabelRec, field)
-static XtResource resources[] = {
- {
- XtNforeground,
- XtCForeground,
- XtRPixel,
- sizeof(Pixel),
- offset(label.foreground),
- XtRString,
- XtDefaultForeground
- },
- {
- XtNfont,
- XtCFont,
- XtRFontStruct,
- sizeof(XFontStruct*),
- offset(label.font),
- XtRString,
- XtDefaultFont
- },
- {
- XtNfontSet,
- XtCFontSet,
- XtRFontSet,
- sizeof(XFontSet),
- offset(label.fontset),
- XtRString,
- XtDefaultFontSet
- },
- {
- XtNlabel,
- XtCLabel,
- XtRString,
- sizeof(String),
- offset(label.label),
- XtRString,
- NULL
- },
- {
- XtNencoding,
- XtCEncoding,
- XtRUnsignedChar,
- sizeof(unsigned char),
- offset(label.encoding),
- XtRImmediate,
- (XtPointer)XawTextEncoding8bit
- },
- {
- XtNjustify,
- XtCJustify,
- XtRJustify,
- sizeof(XtJustify),
- offset(label.justify),
- XtRImmediate,
- (XtPointer)XtJustifyCenter
- },
- {
- XtNinternalWidth,
- XtCWidth,
- XtRDimension,
- sizeof(Dimension),
- offset(label.internal_width),
- XtRImmediate,
- (XtPointer)4
- },
- {
- XtNinternalHeight,
- XtCHeight,
- XtRDimension,
- sizeof(Dimension),
- offset(label.internal_height),
- XtRImmediate,
- (XtPointer)2
- },
- {
- XtNleftBitmap,
- XtCLeftBitmap,
- XtRBitmap,
- sizeof(Pixmap),
- offset(label.left_bitmap),
- XtRImmediate,
- (XtPointer)None
- },
- {
- XtNbitmap,
- XtCPixmap,
- XtRBitmap,
- sizeof(Pixmap),
- offset(label.pixmap),
- XtRImmediate,
- (XtPointer)None
- },
- {
- XtNresize,
- XtCResize,
- XtRBoolean,
- sizeof(Boolean),
- offset(label.resize),
- XtRImmediate,
- (XtPointer)True
- },
- {
- XtNlabelX,
- XtCPosition,
- XtRPosition,
- sizeof(Position),
- offset(label.label_x),
- XtRImmediate,
- (XtPointer)0
- },
- {
- XtNlabelY,
- XtCPosition,
- XtRPosition,
- sizeof(Position),
- offset(label.label_y),
- XtRImmediate,
- (XtPointer)0
- },
-};
-#undef offset
-
-#define Superclass (&simpleClassRec)
-LabelClassRec labelClassRec = {
- /* core */
- {
- (WidgetClass)&simpleClassRec, /* superclass */
- "Label", /* class_name */
- sizeof(LabelRec), /* widget_size */
- XawLabelClassInitialize, /* class_initialize */
- NULL, /* class_part_initialize */
- False, /* class_inited */
- XawLabelInitialize, /* initialize */
- NULL, /* initialize_hook */
- XtInheritRealize, /* realize */
- NULL, /* actions */
- 0, /* num_actions */
- resources, /* resources */
- XtNumber(resources), /* num_resources */
- NULLQUARK, /* xrm_class */
- True, /* compress_motion */
- True, /* compress_exposure */
- True, /* compress_enterleave */
- False, /* visible_interest */
- XawLabelDestroy, /* destroy */
- XawLabelResize, /* resize */
- XawLabelRedisplay, /* expose */
- XawLabelSetValues, /* set_values */
- NULL, /* set_values_hook */
- XtInheritSetValuesAlmost, /* set_values_almost */
- NULL, /* get_values_hook */
- NULL, /* accept_focus */
- XtVersion, /* version */
- NULL, /* callback_private */
- NULL, /* tm_table */
- XawLabelQueryGeometry, /* query_geometry */
- XtInheritDisplayAccelerator, /* display_accelerator */
- NULL, /* extension */
- },
- /* simple */
- {
- XtInheritChangeSensitive, /* change_sensitive */
- },
- /* label */
- {
- NULL, /* extension */
- }
-};
-
-WidgetClass labelWidgetClass = (WidgetClass)&labelClassRec;
-
-/*
- * Implementation
- */
-static void
-XawLabelClassInitialize(void)
-{
- XawInitializeWidgetSet();
- XtAddConverter(XtRString, XtRJustify, XmuCvtStringToJustify, NULL, 0);
- XtSetTypeConverter(XtRJustify, XtRString, XmuCvtJustifyToString,
- NULL, 0, XtCacheNone, NULL);
-}
-
-#ifndef WORD64
-#define TXT16 XChar2b
-#else
-#define TXT16 char
-
-static XChar2b *buf2b;
-static int buf2blen = 0;
-
-static int
-_XawLabelWidth16(XFontStruct *fs, char *str, int n)
-{
- int i;
- XChar2b *ptr;
-
- if (n > buf2blen) {
- buf2b = (XChar2b *)XtRealloc((char *)buf2b, n * sizeof(XChar2b));
- buf2blen = n;
- }
- for (ptr = buf2b, i = n; --i >= 0; ptr++) {
- ptr->byte1 = *str++;
- ptr->byte2 = *str++;
- }
-
- return (XTextWidth16(fs, buf2b, n));
-}
-
-static void
-_XawLabelDraw16(Display *dpy, Drawable d, GC gc, int x, int y,
- char *str, int n)
-{
- int i;
- XChar2b *ptr;
-
- if (n > buf2blen) {
- buf2b = (XChar2b *)XtRealloc((char *)buf2b, n * sizeof(XChar2b));
- buf2blen = n;
- }
- for (ptr = buf2b, i = n; --i >= 0; ptr++) {
- ptr->byte1 = *str++;
- ptr->byte2 = *str++;
- }
- XDrawString16(dpy, d, gc, x, y, buf2b, n);
-}
-
-#define XTextWidth16 _XawLabelWidth16
-#define XDrawString16 _XawLabelDraw16
-#endif /* WORD64 */
-
-/*
- * Calculate width and height of displayed text in pixels
- */
-static void
-SetTextWidthAndHeight(LabelWidget lw)
-{
- XFontStruct *fs = lw->label.font;
- char *nl;
-
- if (lw->label.pixmap != None) {
- Window root;
- int x, y;
- unsigned int width, height, bw, depth;
-
- if (XGetGeometry(XtDisplay(lw), lw->label.pixmap, &root, &x, &y,
- &width, &height, &bw, &depth)) {
- lw->label.label_height = height;
- lw->label.label_width = width;
- lw->label.label_len = depth;
- return;
- }
- }
- if (lw->simple.international == True) {
- XFontSet fset = lw->label.fontset;
- XFontSetExtents *ext = XExtentsOfFontSet(fset);
-
- lw->label.label_height = ext->max_ink_extent.height;
- if (lw->label.label == NULL) {
- lw->label.label_len = 0;
- lw->label.label_width = 0;
- }
- else if ((nl = index(lw->label.label, '\n')) != NULL) {
- char *label;
-
- lw->label.label_len = MULTI_LINE_LABEL;
- lw->label.label_width = 0;
- for (label = lw->label.label; nl != NULL; nl = index(label, '\n')) {
- int width = XmbTextEscapement(fset, label, (int)(nl - label));
-
- if (width > (int)lw->label.label_width)
- lw->label.label_width = width;
- label = nl + 1;
- if (*label)
- lw->label.label_height += ext->max_ink_extent.height;
- }
- if (*label) {
- int width = XmbTextEscapement(fset, label, strlen(label));
-
- if (width > (int)lw->label.label_width)
- lw->label.label_width = width;
- }
- }
- else {
- lw->label.label_len = strlen(lw->label.label);
- lw->label.label_width =
- XmbTextEscapement(fset, lw->label.label, lw->label.label_len);
- }
- }
- else {
- lw->label.label_height = fs->max_bounds.ascent + fs->max_bounds.descent;
- if (lw->label.label == NULL) {
- lw->label.label_len = 0;
- lw->label.label_width = 0;
- }
- else if ((nl = index(lw->label.label, '\n')) != NULL) {
- char *label;
-
- lw->label.label_len = MULTI_LINE_LABEL;
- lw->label.label_width = 0;
- for (label = lw->label.label; nl != NULL; nl = index(label, '\n')) {
- int width;
-
- if (lw->label.encoding)
- width = XTextWidth16(fs, (TXT16*)label, (int)(nl - label) / 2);
- else
- width = XTextWidth(fs, label, (int)(nl - label));
- if (width > (int)lw->label.label_width)
- lw->label.label_width = width;
- label = nl + 1;
- if (*label)
- lw->label.label_height +=
- fs->max_bounds.ascent + fs->max_bounds.descent;
- }
- if (*label) {
- int width = XTextWidth(fs, label, strlen(label));
-
- if (lw->label.encoding)
- width = XTextWidth16(fs, (TXT16*)label, strlen(label) / 2);
- else
- width = XTextWidth(fs, label, strlen(label));
- if (width > (int) lw->label.label_width)
- lw->label.label_width = width;
- }
- }
- else {
- lw->label.label_len = strlen(lw->label.label);
- if (lw->label.encoding)
- lw->label.label_width =
- XTextWidth16(fs, (TXT16*)lw->label.label,
- (int)lw->label.label_len / 2);
- else
- lw->label.label_width =
- XTextWidth(fs, lw->label.label, (int)lw->label.label_len);
- }
- }
-}
-
-static void
-GetNormalGC(LabelWidget lw)
-{
- XGCValues values;
-
- values.foreground = lw->label.foreground;
- values.background = lw->core.background_pixel;
- values.font = lw->label.font->fid;
- values.graphics_exposures = False;
-
- if (lw->simple.international == True)
- /* Since Xmb/wcDrawString eats the font, I must use XtAllocateGC */
- lw->label.normal_GC = XtAllocateGC((Widget)lw, 0,
- GCForeground | GCBackground |
- GCGraphicsExposures,
- &values, GCFont, 0);
- else
- lw->label.normal_GC = XtGetGC((Widget)lw,
- GCForeground | GCBackground | GCFont |
- GCGraphicsExposures, &values);
-}
-
-static void
-GetGrayGC(LabelWidget lw)
-{
- XGCValues values;
-
- values.foreground = lw->label.foreground;
- values.background = lw->core.background_pixel;
- values.font = lw->label.font->fid;
- values.fill_style = FillTiled;
- values.tile = XmuCreateStippledPixmap(XtScreen((Widget)lw),
- lw->label.foreground,
- lw->core.background_pixel,
- lw->core.depth);
- values.graphics_exposures = False;
-
- lw->label.stipple = values.tile;
- if (lw->simple.international == True)
- /* Since Xmb/wcDrawString eats the font, I must use XtAllocateGC */
- lw->label.gray_GC = XtAllocateGC((Widget)lw, 0,
- GCForeground | GCBackground |
- GCTile | GCFillStyle |
- GCGraphicsExposures,
- &values, GCFont, 0);
- else
- lw->label.gray_GC = XtGetGC((Widget)lw,
- GCForeground | GCBackground |
- GCFont | GCTile | GCFillStyle |
- GCGraphicsExposures,
- &values);
-}
-
-static void
-compute_bitmap_offsets(LabelWidget lw)
-{
- /*
- * bitmap will be eventually be displayed at
- * (internal_width, internal_height + lbm_y)
- */
- if (lw->label.lbm_height != 0)
- lw->label.lbm_y = (XtHeight(lw) - (lw->label.internal_height * 2 +
- lw->label.lbm_height)) / 2;
- else
- lw->label.lbm_y = 0;
-}
-
-static void
-set_bitmap_info(LabelWidget lw)
-{
- Window root;
- int x, y;
- unsigned int bw, depth;
-
- if (!(lw->label.left_bitmap
- && XGetGeometry(XtDisplay(lw), lw->label.left_bitmap, &root, &x, &y,
- &lw->label.lbm_width, &lw->label.lbm_height,
- &bw, &depth)))
- lw->label.lbm_width = lw->label.lbm_height = 0;
-
- compute_bitmap_offsets(lw);
-}
-
-/*ARGSUSED*/
-static void
-XawLabelInitialize(Widget request, Widget cnew,
- ArgList args, Cardinal *num_args)
-{
- LabelWidget lw = (LabelWidget)cnew;
-
- if (!lw->label.font) XtError("Aborting: no font found\n");
- if (lw->simple.international && !lw->label.fontset)
- XtError("Aborting: no fontset found\n");
-
- if (lw->label.label == NULL)
- lw->label.label = XtNewString(lw->core.name);
- else
- lw->label.label = XtNewString(lw->label.label);
-
- GetNormalGC(lw);
- GetGrayGC(lw);
-
- SetTextWidthAndHeight(lw);
-
- if (XtHeight(lw) == 0)
- XtHeight(lw) = lw->label.label_height + 2 * lw->label.internal_height;
-
- set_bitmap_info(lw); /* need core.height */
-
- if (XtWidth(lw) == 0) /* need label.lbm_width */
- XtWidth(lw) = lw->label.label_width + 2 * lw->label.internal_width +
- LEFT_OFFSET(lw);
-
- lw->label.label_x = lw->label.label_y = 0;
- (*XtClass(cnew)->core_class.resize)((Widget)lw);
-}
-
-/*ARGSUSED*/
-static void
-XawLabelRedisplay(Widget gw, XEvent *event, Region region)
-{
- LabelWidget w = (LabelWidget)gw;
- GC gc;
-
- if (*Superclass->core_class.expose != NULL)
- (*Superclass->core_class.expose)(gw, event, region);
-
- gc = XtIsSensitive(gw) ? w->label.normal_GC : w->label.gray_GC;
-#ifdef notdef
- if (region != NULL)
- XSetRegion(XtDisplay(gw), gc, region);
-#endif /*notdef*/
-
- if (w->label.pixmap == None) {
- int len = w->label.label_len;
- char *label = w->label.label;
- Position y = w->label.label_y + w->label.font->max_bounds.ascent;
- Position ksy = w->label.label_y;
-
- /* display left bitmap */
- if (w->label.left_bitmap && w->label.lbm_width != 0)
- XCopyPlane (XtDisplay(gw), w->label.left_bitmap, XtWindow(gw), gc,
- 0, 0, w->label.lbm_width, w->label.lbm_height,
- w->label.internal_width,
- w->label.internal_height + w->label.lbm_y, 1L);
-
- if (w->simple.international == True) {
- XFontSetExtents *ext = XExtentsOfFontSet(w->label.fontset);
-
- ksy += XawAbs(ext->max_ink_extent.y);
-
- if (len == MULTI_LINE_LABEL) {
- char *nl;
-
- while ((nl = index(label, '\n')) != NULL) {
- XmbDrawString(XtDisplay(w), XtWindow(w), w->label.fontset,
- gc, w->label.label_x, ksy, label,
- (int)(nl - label));
- ksy += ext->max_ink_extent.height;
- label = nl + 1;
- }
- len = strlen(label);
- }
- if (len)
- XmbDrawString(XtDisplay(w), XtWindow(w), w->label.fontset, gc,
- w->label.label_x, ksy, label, len);
- }
- else {
- if (len == MULTI_LINE_LABEL) {
- char *nl;
-
- while ((nl = index(label, '\n')) != NULL) {
- if (w->label.encoding)
- XDrawString16(XtDisplay(gw), XtWindow(gw), gc,
- w->label.label_x, y,
- (TXT16*)label, (int)(nl - label) / 2);
- else
- XDrawString(XtDisplay(gw), XtWindow(gw), gc,
- w->label.label_x, y, label, (int)(nl - label));
- y += w->label.font->max_bounds.ascent +
- w->label.font->max_bounds.descent;
- label = nl + 1;
- }
- len = strlen(label);
- }
- if (len) {
- if (w->label.encoding)
- XDrawString16(XtDisplay(gw), XtWindow(gw), gc,
- w->label.label_x, y, (TXT16*)label, len / 2);
- else
- XDrawString(XtDisplay(gw), XtWindow(gw), gc,
- w->label.label_x, y, label, len);
- }
- }
- }
- else if (w->label.label_len == 1)
- XCopyPlane(XtDisplay(gw), w->label.pixmap, XtWindow(gw), gc,
- 0, 0, w->label.label_width, w->label.label_height,
- w->label.label_x, w->label.label_y, 1L);
- else
- XCopyArea(XtDisplay(gw), w->label.pixmap, XtWindow(gw), gc,
- 0, 0, w->label.label_width, w->label.label_height,
- w->label.label_x, w->label.label_y);
-
-#ifdef notdef
- if (region != NULL)
- XSetClipMask(XtDisplay(gw), gc, (Pixmap)None);
-#endif /* notdef */
-}
-
-static void
-_Reposition(LabelWidget lw, unsigned int width, unsigned int height,
- Position *dx, Position *dy)
-{
- Position newPos;
- Position leftedge = lw->label.internal_width + LEFT_OFFSET(lw);
-
- switch (lw->label.justify) {
- case XtJustifyLeft:
- newPos = leftedge;
- break;
- case XtJustifyRight:
- newPos = width - (lw->label.label_width + lw->label.internal_width);
- break;
- case XtJustifyCenter:
- /*FALLTRHOUGH*/
- default:
- newPos = (int)(width - lw->label.label_width) >> 1;
- break;
- }
- if (newPos < (Position)leftedge)
- newPos = leftedge;
- *dx = newPos - lw->label.label_x;
- lw->label.label_x = newPos;
-
- newPos = ((int)(height - lw->label.label_height)) >> 1;
- *dy = newPos - lw->label.label_y;
- lw->label.label_y = newPos;
-}
-
-static void
-XawLabelResize(Widget w)
-{
- LabelWidget lw = (LabelWidget)w;
- Position dx, dy;
-
- _Reposition(lw, XtWidth(w), XtHeight(w), &dx, &dy);
- compute_bitmap_offsets(lw);
-}
-
-#define PIXMAP 0
-#define WIDTH 1
-#define HEIGHT 2
-#define NUM_CHECKS 3
-static Boolean
-XawLabelSetValues(Widget current, Widget request, Widget cnew,
- ArgList args, Cardinal *num_args)
-{
- LabelWidget curlw = (LabelWidget)current;
- LabelWidget reqlw = (LabelWidget)request;
- LabelWidget newlw = (LabelWidget)cnew;
- unsigned int i;
- Boolean was_resized = False, redisplay = False, checks[NUM_CHECKS];
-
- for (i = 0; i < NUM_CHECKS; i++)
- checks[i] = False;
-
- for (i = 0; i < *num_args; i++) {
- if (streq(XtNbitmap, args[i].name))
- checks[PIXMAP] = True;
- else if (streq(XtNwidth, args[i].name))
- checks[WIDTH] = True;
- else if (streq(XtNheight, args[i].name))
- checks[HEIGHT] = True;
- }
-
- if (newlw->label.label == NULL)
- newlw->label.label = newlw->core.name;
-
- /*
- * resize on bitmap change
- */
- if (curlw->label.left_bitmap != newlw->label.left_bitmap)
- was_resized = True;
-
- if (curlw->label.encoding != newlw->label.encoding)
- was_resized = True;
-
- if (curlw->simple.international
- && curlw->label.fontset != newlw->label.fontset)
- was_resized = True;
-
- if (curlw->label.label != newlw->label.label) {
- if (curlw->label.label != curlw->core.name)
- XtFree((char *)curlw->label.label);
-
- if (newlw->label.label != newlw->core.name)
- newlw->label.label = XtNewString(newlw->label.label);
-
- was_resized = True;
- }
-
- if (was_resized || (curlw->label.font != newlw->label.font) ||
- curlw->label.justify != newlw->label.justify || checks[PIXMAP]) {
- SetTextWidthAndHeight(newlw);
- was_resized = True;
- }
-
- /* recalculate the window size if something has changed */
- if (newlw->label.resize && was_resized) {
- if (XtHeight(curlw) == XtHeight(reqlw) && !checks[HEIGHT])
- XtHeight(newlw) = newlw->label.label_height +
- (newlw->label.internal_height << 1);
-
- set_bitmap_info(newlw);
-
- if (XtWidth(curlw) == XtWidth(reqlw) && !checks[WIDTH])
- XtWidth(newlw) = newlw->label.label_width + LEFT_OFFSET(newlw) +
- (newlw->label.internal_width << 1);
- }
-
- if (curlw->label.foreground != newlw->label.foreground
- || curlw->core.background_pixel != newlw->core.background_pixel
- || curlw->label.font->fid != newlw->label.font->fid) {
- /* The Fontset is not in the GC - don't make a new GC if FS changes! */
- XtReleaseGC(cnew, curlw->label.normal_GC);
- XtReleaseGC(cnew, curlw->label.gray_GC);
- XmuReleaseStippledPixmap(XtScreen(current), curlw->label.stipple);
- GetNormalGC(newlw);
- GetGrayGC(newlw);
- redisplay = True;
- }
-
- if (curlw->label.label_x != newlw->label.label_x ||
- curlw->label.label_y != newlw->label.label_y)
- redisplay = True;
-
- if (curlw->label.internal_width != newlw->label.internal_width
- || curlw->label.internal_height != newlw->label.internal_height
- || was_resized) {
- /* Resize() will be called if geometry changes succeed */
- Position dx, dy;
-
- _Reposition(newlw, XtWidth(curlw), XtHeight(curlw), &dx, &dy);
- }
-
- return (was_resized || redisplay ||
- XtIsSensitive(current) != XtIsSensitive(cnew));
-}
-
-static void
-XawLabelDestroy(Widget w)
-{
- LabelWidget lw = (LabelWidget)w;
-
- if (lw->label.label != lw->core.name)
- XtFree(lw->label.label);
- XtReleaseGC(w, lw->label.normal_GC);
- XtReleaseGC(w, lw->label.gray_GC);
- XmuReleaseStippledPixmap(XtScreen(w), lw->label.stipple);
-}
-
-static XtGeometryResult
-XawLabelQueryGeometry(Widget w, XtWidgetGeometry *intended,
- XtWidgetGeometry *preferred)
-{
- LabelWidget lw = (LabelWidget)w;
-
- preferred->request_mode = CWWidth | CWHeight;
- preferred->width = lw->label.label_width +
- (lw->label.internal_width << 1) + LEFT_OFFSET(lw);
- preferred->height = lw->label.label_height +
- (lw->label.internal_height << 1);
-
- if (((intended->request_mode & (CWWidth | CWHeight)) == (CWWidth | CWHeight))
- && intended->width == preferred->width
- && intended->height == preferred->height)
- return (XtGeometryYes);
- else if (preferred->width == XtWidth(w) && preferred->height == XtHeight(w))
- return (XtGeometryNo);
-
- return (XtGeometryAlmost);
-}
+/*********************************************************** + +Copyright 1987, 1988, 1994, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + + +Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts. + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, +provided that the above copyright notice appear in all copies and that +both that copyright notice and this permission notice appear in +supporting documentation, and that the name of Digital not be +used in advertising or publicity pertaining to distribution of the +software without specific, written prior permission. + +DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING +ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL +DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR +ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, +ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS +SOFTWARE. + +******************************************************************/ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <stdio.h> +#include <ctype.h> +#include <X11/IntrinsicP.h> +#include <X11/StringDefs.h> +#include <X11/Xos.h> +#include <X11/Xmu/Converters.h> +#include <X11/Xmu/Drawing.h> +#include <X11/Xaw/LabelP.h> +#include <X11/Xaw/XawInit.h> +#include "Private.h" + +#define streq(a, b) (strcmp((a), (b)) == 0) + +#define MULTI_LINE_LABEL 32767 + +#ifdef CRAY +#define WORD64 +#endif + +/* + * Class Methods + */ +static void XawLabelClassInitialize(void); +static void XawLabelDestroy(Widget); +static void XawLabelInitialize(Widget, Widget, ArgList, Cardinal*); +static XtGeometryResult XawLabelQueryGeometry(Widget, XtWidgetGeometry*, + XtWidgetGeometry*); +static void XawLabelRedisplay(Widget, XEvent*, Region); +static void XawLabelResize(Widget); +static Boolean XawLabelSetValues(Widget, Widget, Widget, + ArgList, Cardinal*); + +/* + * Prototypes + */ +#ifdef WORD64 +static int _XawLabelWidth16(XFontStruct*, char*, int); +static void _XawLabelDraw16(Display*, Drawable, GC, int, int, char*, int); +#endif +static void compute_bitmap_offsets(LabelWidget); +static void GetGrayGC(LabelWidget); +static void GetNormalGC(LabelWidget); +static void _Reposition(LabelWidget, unsigned int, unsigned int, + Position*, Position*); +static void set_bitmap_info(LabelWidget); +static void SetTextWidthAndHeight(LabelWidget); + +/* + * Initialization + */ +#define offset(field) XtOffsetOf(LabelRec, field) +static XtResource resources[] = { + { + XtNforeground, + XtCForeground, + XtRPixel, + sizeof(Pixel), + offset(label.foreground), + XtRString, + XtDefaultForeground + }, + { + XtNfont, + XtCFont, + XtRFontStruct, + sizeof(XFontStruct*), + offset(label.font), + XtRString, + XtDefaultFont + }, + { + XtNfontSet, + XtCFontSet, + XtRFontSet, + sizeof(XFontSet), + offset(label.fontset), + XtRString, + XtDefaultFontSet + }, + { + XtNlabel, + XtCLabel, + XtRString, + sizeof(String), + offset(label.label), + XtRString, + NULL + }, + { + XtNencoding, + XtCEncoding, + XtRUnsignedChar, + sizeof(unsigned char), + offset(label.encoding), + XtRImmediate, + (XtPointer)XawTextEncoding8bit + }, + { + XtNjustify, + XtCJustify, + XtRJustify, + sizeof(XtJustify), + offset(label.justify), + XtRImmediate, + (XtPointer)XtJustifyCenter + }, + { + XtNinternalWidth, + XtCWidth, + XtRDimension, + sizeof(Dimension), + offset(label.internal_width), + XtRImmediate, + (XtPointer)4 + }, + { + XtNinternalHeight, + XtCHeight, + XtRDimension, + sizeof(Dimension), + offset(label.internal_height), + XtRImmediate, + (XtPointer)2 + }, + { + XtNleftBitmap, + XtCLeftBitmap, + XtRBitmap, + sizeof(Pixmap), + offset(label.left_bitmap), + XtRImmediate, + (XtPointer)None + }, + { + XtNbitmap, + XtCPixmap, + XtRBitmap, + sizeof(Pixmap), + offset(label.pixmap), + XtRImmediate, + (XtPointer)None + }, + { + XtNresize, + XtCResize, + XtRBoolean, + sizeof(Boolean), + offset(label.resize), + XtRImmediate, + (XtPointer)True + }, + { + XtNlabelX, + XtCPosition, + XtRPosition, + sizeof(Position), + offset(label.label_x), + XtRImmediate, + (XtPointer)0 + }, + { + XtNlabelY, + XtCPosition, + XtRPosition, + sizeof(Position), + offset(label.label_y), + XtRImmediate, + (XtPointer)0 + }, +}; +#undef offset + +#define Superclass (&simpleClassRec) +LabelClassRec labelClassRec = { + /* core */ + { + (WidgetClass)&simpleClassRec, /* superclass */ + "Label", /* class_name */ + sizeof(LabelRec), /* widget_size */ + XawLabelClassInitialize, /* class_initialize */ + NULL, /* class_part_initialize */ + False, /* class_inited */ + XawLabelInitialize, /* initialize */ + NULL, /* initialize_hook */ + XtInheritRealize, /* realize */ + NULL, /* actions */ + 0, /* num_actions */ + resources, /* resources */ + XtNumber(resources), /* num_resources */ + NULLQUARK, /* xrm_class */ + True, /* compress_motion */ + True, /* compress_exposure */ + True, /* compress_enterleave */ + False, /* visible_interest */ + XawLabelDestroy, /* destroy */ + XawLabelResize, /* resize */ + XawLabelRedisplay, /* expose */ + XawLabelSetValues, /* set_values */ + NULL, /* set_values_hook */ + XtInheritSetValuesAlmost, /* set_values_almost */ + NULL, /* get_values_hook */ + NULL, /* accept_focus */ + XtVersion, /* version */ + NULL, /* callback_private */ + NULL, /* tm_table */ + XawLabelQueryGeometry, /* query_geometry */ + XtInheritDisplayAccelerator, /* display_accelerator */ + NULL, /* extension */ + }, + /* simple */ + { + XtInheritChangeSensitive, /* change_sensitive */ + }, + /* label */ + { + NULL, /* extension */ + } +}; + +WidgetClass labelWidgetClass = (WidgetClass)&labelClassRec; + +/* + * Implementation + */ +static void +XawLabelClassInitialize(void) +{ + XawInitializeWidgetSet(); + XtAddConverter(XtRString, XtRJustify, XmuCvtStringToJustify, NULL, 0); + XtSetTypeConverter(XtRJustify, XtRString, XmuCvtJustifyToString, + NULL, 0, XtCacheNone, NULL); +} + +#ifndef WORD64 +#define TXT16 XChar2b +#else +#define TXT16 char + +static XChar2b *buf2b; +static int buf2blen = 0; + +static int +_XawLabelWidth16(XFontStruct *fs, char *str, int n) +{ + int i; + XChar2b *ptr; + + if (n > buf2blen) { + buf2b = (XChar2b *)XtRealloc((char *)buf2b, n * sizeof(XChar2b)); + buf2blen = n; + } + for (ptr = buf2b, i = n; --i >= 0; ptr++) { + ptr->byte1 = *str++; + ptr->byte2 = *str++; + } + + return (XTextWidth16(fs, buf2b, n)); +} + +static void +_XawLabelDraw16(Display *dpy, Drawable d, GC gc, int x, int y, + char *str, int n) +{ + int i; + XChar2b *ptr; + + if (n > buf2blen) { + buf2b = (XChar2b *)XtRealloc((char *)buf2b, n * sizeof(XChar2b)); + buf2blen = n; + } + for (ptr = buf2b, i = n; --i >= 0; ptr++) { + ptr->byte1 = *str++; + ptr->byte2 = *str++; + } + XDrawString16(dpy, d, gc, x, y, buf2b, n); +} + +#define XTextWidth16 _XawLabelWidth16 +#define XDrawString16 _XawLabelDraw16 +#endif /* WORD64 */ + +/* + * Calculate width and height of displayed text in pixels + */ +static void +SetTextWidthAndHeight(LabelWidget lw) +{ + XFontStruct *fs = lw->label.font; + char *nl; + + if (lw->label.pixmap != None) { + Window root; + int x, y; + unsigned int width, height, bw, depth; + + if (XGetGeometry(XtDisplay(lw), lw->label.pixmap, &root, &x, &y, + &width, &height, &bw, &depth)) { + lw->label.label_height = height; + lw->label.label_width = width; + lw->label.label_len = depth; + return; + } + } + if (lw->simple.international == True) { + XFontSet fset = lw->label.fontset; + XFontSetExtents *ext = XExtentsOfFontSet(fset); + + lw->label.label_height = ext->max_ink_extent.height; + if (lw->label.label == NULL) { + lw->label.label_len = 0; + lw->label.label_width = 0; + } + else if ((nl = index(lw->label.label, '\n')) != NULL) { + char *label; + + lw->label.label_len = MULTI_LINE_LABEL; + lw->label.label_width = 0; + for (label = lw->label.label; nl != NULL; nl = index(label, '\n')) { + int width = XmbTextEscapement(fset, label, (int)(nl - label)); + + if (width > (int)lw->label.label_width) + lw->label.label_width = width; + label = nl + 1; + if (*label) + lw->label.label_height += ext->max_ink_extent.height; + } + if (*label) { + int width = XmbTextEscapement(fset, label, strlen(label)); + + if (width > (int)lw->label.label_width) + lw->label.label_width = width; + } + } + else { + lw->label.label_len = strlen(lw->label.label); + lw->label.label_width = + XmbTextEscapement(fset, lw->label.label, lw->label.label_len); + } + } + else { + lw->label.label_height = fs->max_bounds.ascent + fs->max_bounds.descent; + if (lw->label.label == NULL) { + lw->label.label_len = 0; + lw->label.label_width = 0; + } + else if ((nl = index(lw->label.label, '\n')) != NULL) { + char *label; + + lw->label.label_len = MULTI_LINE_LABEL; + lw->label.label_width = 0; + for (label = lw->label.label; nl != NULL; nl = index(label, '\n')) { + int width; + + if (lw->label.encoding) + width = XTextWidth16(fs, (TXT16*)label, (int)(nl - label) / 2); + else + width = XTextWidth(fs, label, (int)(nl - label)); + if (width > (int)lw->label.label_width) + lw->label.label_width = width; + label = nl + 1; + if (*label) + lw->label.label_height += + fs->max_bounds.ascent + fs->max_bounds.descent; + } + if (*label) { + int width = XTextWidth(fs, label, strlen(label)); + + if (lw->label.encoding) + width = XTextWidth16(fs, (TXT16*)label, strlen(label) / 2); + else + width = XTextWidth(fs, label, strlen(label)); + if (width > (int) lw->label.label_width) + lw->label.label_width = width; + } + } + else { + lw->label.label_len = strlen(lw->label.label); + if (lw->label.encoding) + lw->label.label_width = + XTextWidth16(fs, (TXT16*)lw->label.label, + (int)lw->label.label_len / 2); + else + lw->label.label_width = + XTextWidth(fs, lw->label.label, (int)lw->label.label_len); + } + } +} + +static void +GetNormalGC(LabelWidget lw) +{ + XGCValues values; + + values.foreground = lw->label.foreground; + values.background = lw->core.background_pixel; + values.font = lw->label.font->fid; + values.graphics_exposures = False; + + if (lw->simple.international == True) + /* Since Xmb/wcDrawString eats the font, I must use XtAllocateGC */ + lw->label.normal_GC = XtAllocateGC((Widget)lw, 0, + GCForeground | GCBackground | + GCGraphicsExposures, + &values, GCFont, 0); + else + lw->label.normal_GC = XtGetGC((Widget)lw, + GCForeground | GCBackground | GCFont | + GCGraphicsExposures, &values); +} + +static void +GetGrayGC(LabelWidget lw) +{ + XGCValues values; + + values.foreground = lw->label.foreground; + values.background = lw->core.background_pixel; + values.font = lw->label.font->fid; + values.fill_style = FillTiled; + values.tile = XmuCreateStippledPixmap(XtScreen((Widget)lw), + lw->label.foreground, + lw->core.background_pixel, + lw->core.depth); + values.graphics_exposures = False; + + lw->label.stipple = values.tile; + if (lw->simple.international == True) + /* Since Xmb/wcDrawString eats the font, I must use XtAllocateGC */ + lw->label.gray_GC = XtAllocateGC((Widget)lw, 0, + GCForeground | GCBackground | + GCTile | GCFillStyle | + GCGraphicsExposures, + &values, GCFont, 0); + else + lw->label.gray_GC = XtGetGC((Widget)lw, + GCForeground | GCBackground | + GCFont | GCTile | GCFillStyle | + GCGraphicsExposures, + &values); +} + +static void +compute_bitmap_offsets(LabelWidget lw) +{ + /* + * bitmap will be eventually be displayed at + * (internal_width, internal_height + lbm_y) + */ + if (lw->label.lbm_height != 0) + lw->label.lbm_y = (XtHeight(lw) - (lw->label.internal_height * 2 + + lw->label.lbm_height)) / 2; + else + lw->label.lbm_y = 0; +} + +static void +set_bitmap_info(LabelWidget lw) +{ + Window root; + int x, y; + unsigned int bw, depth; + + if (!(lw->label.left_bitmap + && XGetGeometry(XtDisplay(lw), lw->label.left_bitmap, &root, &x, &y, + &lw->label.lbm_width, &lw->label.lbm_height, + &bw, &depth))) + lw->label.lbm_width = lw->label.lbm_height = 0; + + compute_bitmap_offsets(lw); +} + +/*ARGSUSED*/ +static void +XawLabelInitialize(Widget request, Widget cnew, + ArgList args, Cardinal *num_args) +{ + LabelWidget lw = (LabelWidget)cnew; + + if (!lw->label.font) XtError("Aborting: no font found\n"); + if (lw->simple.international && !lw->label.fontset) + XtError("Aborting: no fontset found\n"); + + if (lw->label.label == NULL) + lw->label.label = XtNewString(lw->core.name); + else + lw->label.label = XtNewString(lw->label.label); + + GetNormalGC(lw); + GetGrayGC(lw); + + SetTextWidthAndHeight(lw); + + if (XtHeight(lw) == 0) + XtHeight(lw) = lw->label.label_height + 2 * lw->label.internal_height; + + set_bitmap_info(lw); /* need core.height */ + + if (XtWidth(lw) == 0) /* need label.lbm_width */ + XtWidth(lw) = lw->label.label_width + 2 * lw->label.internal_width + + LEFT_OFFSET(lw); + + lw->label.label_x = lw->label.label_y = 0; + (*XtClass(cnew)->core_class.resize)((Widget)lw); +} + +/*ARGSUSED*/ +static void +XawLabelRedisplay(Widget gw, XEvent *event, Region region) +{ + LabelWidget w = (LabelWidget)gw; + GC gc; + + if (*Superclass->core_class.expose != NULL) + (*Superclass->core_class.expose)(gw, event, region); + + gc = XtIsSensitive(gw) ? w->label.normal_GC : w->label.gray_GC; +#ifdef notdef + if (region != NULL) + XSetRegion(XtDisplay(gw), gc, region); +#endif /*notdef*/ + + if (w->label.pixmap == None) { + int len = w->label.label_len; + char *label = w->label.label; + Position y = w->label.label_y + w->label.font->max_bounds.ascent; + Position ksy = w->label.label_y; + + /* display left bitmap */ + if (w->label.left_bitmap && w->label.lbm_width != 0) + XCopyPlane (XtDisplay(gw), w->label.left_bitmap, XtWindow(gw), gc, + 0, 0, w->label.lbm_width, w->label.lbm_height, + w->label.internal_width, + w->label.internal_height + w->label.lbm_y, 1L); + + if (w->simple.international == True) { + XFontSetExtents *ext = XExtentsOfFontSet(w->label.fontset); + + ksy += XawAbs(ext->max_ink_extent.y); + + if (len == MULTI_LINE_LABEL) { + char *nl; + + while ((nl = index(label, '\n')) != NULL) { + XmbDrawString(XtDisplay(w), XtWindow(w), w->label.fontset, + gc, w->label.label_x, ksy, label, + (int)(nl - label)); + ksy += ext->max_ink_extent.height; + label = nl + 1; + } + len = strlen(label); + } + if (len) + XmbDrawString(XtDisplay(w), XtWindow(w), w->label.fontset, gc, + w->label.label_x, ksy, label, len); + } + else { + if (len == MULTI_LINE_LABEL) { + char *nl; + + while ((nl = index(label, '\n')) != NULL) { + if (w->label.encoding) + XDrawString16(XtDisplay(gw), XtWindow(gw), gc, + w->label.label_x, y, + (TXT16*)label, (int)(nl - label) / 2); + else + XDrawString(XtDisplay(gw), XtWindow(gw), gc, + w->label.label_x, y, label, (int)(nl - label)); + y += w->label.font->max_bounds.ascent + + w->label.font->max_bounds.descent; + label = nl + 1; + } + len = strlen(label); + } + if (len) { + if (w->label.encoding) + XDrawString16(XtDisplay(gw), XtWindow(gw), gc, + w->label.label_x, y, (TXT16*)label, len / 2); + else + XDrawString(XtDisplay(gw), XtWindow(gw), gc, + w->label.label_x, y, label, len); + } + } + } + else if (w->label.label_len == 1) + XCopyPlane(XtDisplay(gw), w->label.pixmap, XtWindow(gw), gc, + 0, 0, w->label.label_width, w->label.label_height, + w->label.label_x, w->label.label_y, 1L); + else + XCopyArea(XtDisplay(gw), w->label.pixmap, XtWindow(gw), gc, + 0, 0, w->label.label_width, w->label.label_height, + w->label.label_x, w->label.label_y); + +#ifdef notdef + if (region != NULL) + XSetClipMask(XtDisplay(gw), gc, (Pixmap)None); +#endif /* notdef */ +} + +static void +_Reposition(LabelWidget lw, unsigned int width, unsigned int height, + Position *dx, Position *dy) +{ + Position newPos; + Position leftedge = lw->label.internal_width + LEFT_OFFSET(lw); + + switch (lw->label.justify) { + case XtJustifyLeft: + newPos = leftedge; + break; + case XtJustifyRight: + newPos = width - (lw->label.label_width + lw->label.internal_width); + break; + case XtJustifyCenter: + /*FALLTRHOUGH*/ + default: + newPos = (int)(width - lw->label.label_width) >> 1; + break; + } + if (newPos < (Position)leftedge) + newPos = leftedge; + *dx = newPos - lw->label.label_x; + lw->label.label_x = newPos; + + newPos = ((int)(height - lw->label.label_height)) >> 1; + *dy = newPos - lw->label.label_y; + lw->label.label_y = newPos; +} + +static void +XawLabelResize(Widget w) +{ + LabelWidget lw = (LabelWidget)w; + Position dx, dy; + + _Reposition(lw, XtWidth(w), XtHeight(w), &dx, &dy); + compute_bitmap_offsets(lw); +} + +#define PIXMAP 0 +#define WIDTH 1 +#define HEIGHT 2 +#define NUM_CHECKS 3 +static Boolean +XawLabelSetValues(Widget current, Widget request, Widget cnew, + ArgList args, Cardinal *num_args) +{ + LabelWidget curlw = (LabelWidget)current; + LabelWidget reqlw = (LabelWidget)request; + LabelWidget newlw = (LabelWidget)cnew; + unsigned int i; + Boolean was_resized = False, redisplay = False, checks[NUM_CHECKS]; + + for (i = 0; i < NUM_CHECKS; i++) + checks[i] = False; + + for (i = 0; i < *num_args; i++) { + if (streq(XtNbitmap, args[i].name)) + checks[PIXMAP] = True; + else if (streq(XtNwidth, args[i].name)) + checks[WIDTH] = True; + else if (streq(XtNheight, args[i].name)) + checks[HEIGHT] = True; + } + + if (newlw->label.label == NULL) + newlw->label.label = newlw->core.name; + + /* + * resize on bitmap change + */ + if (curlw->label.left_bitmap != newlw->label.left_bitmap) + was_resized = True; + + if (curlw->label.encoding != newlw->label.encoding) + was_resized = True; + + if (curlw->simple.international + && curlw->label.fontset != newlw->label.fontset) + was_resized = True; + + if (curlw->label.label != newlw->label.label) { + if (curlw->label.label != curlw->core.name) + XtFree((char *)curlw->label.label); + + if (newlw->label.label != newlw->core.name) + newlw->label.label = XtNewString(newlw->label.label); + + was_resized = True; + } + + if (was_resized || (curlw->label.font != newlw->label.font) || + curlw->label.justify != newlw->label.justify || checks[PIXMAP]) { + SetTextWidthAndHeight(newlw); + was_resized = True; + } + + /* recalculate the window size if something has changed */ + if (newlw->label.resize && was_resized) { + if (XtHeight(curlw) == XtHeight(reqlw) && !checks[HEIGHT]) + XtHeight(newlw) = newlw->label.label_height + + (newlw->label.internal_height << 1); + + set_bitmap_info(newlw); + + if (XtWidth(curlw) == XtWidth(reqlw) && !checks[WIDTH]) + XtWidth(newlw) = newlw->label.label_width + LEFT_OFFSET(newlw) + + (newlw->label.internal_width << 1); + } + + if (curlw->label.foreground != newlw->label.foreground + || curlw->core.background_pixel != newlw->core.background_pixel + || curlw->label.font->fid != newlw->label.font->fid) { + /* The Fontset is not in the GC - don't make a new GC if FS changes! */ + XtReleaseGC(cnew, curlw->label.normal_GC); + XtReleaseGC(cnew, curlw->label.gray_GC); + XmuReleaseStippledPixmap(XtScreen(current), curlw->label.stipple); + GetNormalGC(newlw); + GetGrayGC(newlw); + redisplay = True; + } + + if (curlw->label.label_x != newlw->label.label_x || + curlw->label.label_y != newlw->label.label_y) + redisplay = True; + + if (curlw->label.internal_width != newlw->label.internal_width + || curlw->label.internal_height != newlw->label.internal_height + || was_resized) { + /* Resize() will be called if geometry changes succeed */ + Position dx, dy; + + _Reposition(newlw, XtWidth(curlw), XtHeight(curlw), &dx, &dy); + } + + return (was_resized || redisplay || + XtIsSensitive(current) != XtIsSensitive(cnew)); +} + +static void +XawLabelDestroy(Widget w) +{ + LabelWidget lw = (LabelWidget)w; + + if (lw->label.label != lw->core.name) + XtFree(lw->label.label); + XtReleaseGC(w, lw->label.normal_GC); + XtReleaseGC(w, lw->label.gray_GC); + XmuReleaseStippledPixmap(XtScreen(w), lw->label.stipple); +} + +static XtGeometryResult +XawLabelQueryGeometry(Widget w, XtWidgetGeometry *intended, + XtWidgetGeometry *preferred) +{ + LabelWidget lw = (LabelWidget)w; + + preferred->request_mode = CWWidth | CWHeight; + preferred->width = lw->label.label_width + + (lw->label.internal_width << 1) + LEFT_OFFSET(lw); + preferred->height = lw->label.label_height + + (lw->label.internal_height << 1); + + if (((intended->request_mode & (CWWidth | CWHeight)) == (CWWidth | CWHeight)) + && intended->width == preferred->width + && intended->height == preferred->height) + return (XtGeometryYes); + else if (preferred->width == XtWidth(w) && preferred->height == XtHeight(w)) + return (XtGeometryNo); + + return (XtGeometryAlmost); +} |