/* $XConsortium: SmeBSB.c,v 1.18 94/01/31 10:53:58 kaleb Exp $ */ /* Copyright (c) 1989, 1994 X Consortium Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: 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 X CONSORTIUM 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 X Consortium 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 X Consortium. */ /* * SmeBSB.c - Source code file for BSB Menu Entry object. * * Date: September 26, 1989 * * By: Chris D. Peterson * MIT X Consortium * kit@expo.lcs.mit.edu */ #include #include #include /* needed for abs() */ #ifdef X_NOT_STDC_ENV extern int abs(); #else #include #endif #include #include #include #include #include #include #define ONE_HUNDRED 100 #define offset(field) XtOffsetOf(SmeBSBRec, sme_bsb.field) static XtResource resources[] = { {XtNlabel, XtCLabel, XtRString, sizeof(String), offset(label), XtRString, NULL}, {XtNvertSpace, XtCVertSpace, XtRInt, sizeof(int), offset(vert_space), XtRImmediate, (XtPointer) 25}, {XtNleftBitmap, XtCLeftBitmap, XtRBitmap, sizeof(Pixmap), offset(left_bitmap), XtRImmediate, (XtPointer)None}, {XtNjustify, XtCJustify, XtRJustify, sizeof(XtJustify), offset(justify), XtRImmediate, (XtPointer) XtJustifyLeft}, {XtNrightBitmap, XtCRightBitmap, XtRBitmap, sizeof(Pixmap), offset(right_bitmap), XtRImmediate, (XtPointer)None}, {XtNleftMargin, XtCHorizontalMargins, XtRDimension, sizeof(Dimension), offset(left_margin), XtRImmediate, (XtPointer) 4}, {XtNrightMargin, XtCHorizontalMargins, XtRDimension, sizeof(Dimension), offset(right_margin), XtRImmediate, (XtPointer) 4}, {XtNforeground, XtCForeground, XtRPixel, sizeof(Pixel), offset(foreground), XtRString, XtDefaultForeground}, {XtNfont, XtCFont, XtRFontStruct, sizeof(XFontStruct *), offset(font), XtRString, XtDefaultFont}, {XtNfontSet, XtCFontSet, XtRFontSet, sizeof(XFontSet ), offset(fontset),XtRString, XtDefaultFontSet}, }; #undef offset /* * Semi Public function definitions. */ static void Redisplay(), Destroy(), Initialize(), FlipColors(); static void ClassInitialize(); static Boolean SetValues(); static XtGeometryResult QueryGeometry(); /* * Private Function Definitions. */ static void GetDefaultSize(), DrawBitmaps(), GetBitmapInfo(); static void CreateGCs(), DestroyGCs(); #define superclass (&smeClassRec) SmeBSBClassRec smeBSBClassRec = { { /* superclass */ (WidgetClass) superclass, /* class_name */ "SmeBSB", /* size */ sizeof(SmeBSBRec), /* class_initializer */ ClassInitialize, /* class_part_initialize*/ NULL, /* Class init'ed */ FALSE, /* initialize */ Initialize, /* initialize_hook */ NULL, /* realize */ NULL, /* actions */ NULL, /* num_actions */ ZERO, /* resources */ resources, /* resource_count */ XtNumber(resources), /* xrm_class */ NULLQUARK, /* compress_motion */ FALSE, /* compress_exposure */ FALSE, /* compress_enterleave*/ FALSE, /* visible_interest */ FALSE, /* destroy */ Destroy, /* resize */ NULL, /* expose */ Redisplay, /* set_values */ SetValues, /* set_values_hook */ NULL, /* set_values_almost */ XtInheritSetValuesAlmost, /* get_values_hook */ NULL, /* accept_focus */ NULL, /* intrinsics version */ XtVersion, /* callback offsets */ NULL, /* tm_table */ NULL, /* query_geometry */ QueryGeometry, /* display_accelerator*/ NULL, /* extension */ NULL },{ /* SimpleMenuClass Fields */ /* highlight */ FlipColors, /* unhighlight */ FlipColors, /* notify */ XtInheritNotify, /* extension */ NULL }, { /* BSBClass Fields */ /* extension */ NULL } }; WidgetClass smeBSBObjectClass = (WidgetClass) &smeBSBClassRec; /************************************************************ * * Semi-Public Functions. * ************************************************************/ /* Function Name: ClassInitialize * Description: Initializes the SmeBSBObject. * Arguments: none. * Returns: none. */ static void ClassInitialize() { XawInitializeWidgetSet(); XtAddConverter( XtRString, XtRJustify, XmuCvtStringToJustify, (XtConvertArgList)NULL, (Cardinal)0 ); } /* Function Name: Initialize * Description: Initializes the simple menu widget * Arguments: request - the widget requested by the argument list. * new - the new widget with both resource and non * resource values. * Returns: none. */ /* ARGSUSED */ static void Initialize(request, new, args, num_args) Widget request, new; ArgList args; Cardinal *num_args; { SmeBSBObject entry = (SmeBSBObject) new; if (entry->sme_bsb.label == NULL) entry->sme_bsb.label = XtName(new); else entry->sme_bsb.label = XtNewString( entry->sme_bsb.label ); GetDefaultSize(new, &(entry->rectangle.width), &(entry->rectangle.height)); CreateGCs(new); entry->sme_bsb.left_bitmap_width = entry->sme_bsb.left_bitmap_height = 0; entry->sme_bsb.right_bitmap_width = entry->sme_bsb.right_bitmap_height = 0; GetBitmapInfo(new, TRUE); /* Left Bitmap Info */ GetBitmapInfo(new, FALSE); /* Right Bitmap Info */ } /* Function Name: Destroy * Description: Called at destroy time, cleans up. * Arguments: w - the simple menu widget. * Returns: none. */ static void Destroy(w) Widget w; { SmeBSBObject entry = (SmeBSBObject) w; DestroyGCs(w); if (entry->sme_bsb.label != XtName(w)) XtFree(entry->sme_bsb.label); } /* Function Name: Redisplay * Description: Redisplays the contents of the widget. * Arguments: w - the simple menu widget. * event - the X event that caused this redisplay. * region - the region the needs to be repainted. * Returns: none. */ /* ARGSUSED */ static void Redisplay(w, event, region) Widget w; XEvent * event; Region region; { GC gc; SmeBSBObject entry = (SmeBSBObject) w; int font_ascent, font_descent, y_loc; int fontset_ascent, fontset_descent; XFontSetExtents *ext = XExtentsOfFontSet(entry->sme_bsb.fontset); entry->sme_bsb.set_values_area_cleared = FALSE; if ( entry->sme.international == True ) { fontset_ascent = abs(ext->max_ink_extent.y); fontset_descent = ext->max_ink_extent.height - fontset_ascent; } else { /*else, compute size from font like R5*/ font_ascent = entry->sme_bsb.font->max_bounds.ascent; font_descent = entry->sme_bsb.font->max_bounds.descent; } y_loc = entry->rectangle.y; if (XtIsSensitive(w) && XtIsSensitive( XtParent(w) ) ) { if ( w == XawSimpleMenuGetActiveEntry(XtParent(w)) ) { XFillRectangle(XtDisplayOfObject(w), XtWindowOfObject(w), entry->sme_bsb.norm_gc, 0, y_loc, (unsigned int) entry->rectangle.width, (unsigned int) entry->rectangle.height); gc = entry->sme_bsb.rev_gc; } else gc = entry->sme_bsb.norm_gc; } else gc = entry->sme_bsb.norm_gray_gc; if (entry->sme_bsb.label != NULL) { int x_loc = entry->sme_bsb.left_margin; int len = strlen(entry->sme_bsb.label); char * label = entry->sme_bsb.label; switch(entry->sme_bsb.justify) { int width, t_width; case XtJustifyCenter: if ( entry->sme.international == True ) { t_width = XmbTextEscapement(entry->sme_bsb.fontset,label,len); width = entry->rectangle.width - (entry->sme_bsb.left_margin + entry->sme_bsb.right_margin); } else { t_width = XTextWidth(entry->sme_bsb.font, label, len); width = entry->rectangle.width - (entry->sme_bsb.left_margin + entry->sme_bsb.right_margin); } x_loc += (width - t_width)/2; break; case XtJustifyRight: if ( entry->sme.international == True ) { t_width = XmbTextEscapement(entry->sme_bsb.fontset,label,len); x_loc = entry->rectangle.width - ( entry->sme_bsb.right_margin + t_width ); } else { t_width = XTextWidth(entry->sme_bsb.font, label, len); x_loc = entry->rectangle.width - ( entry->sme_bsb.right_margin + t_width ); } break; case XtJustifyLeft: default: break; } /* this will center the text in the gadget top-to-bottom */ if ( entry->sme.international==True ) { y_loc += ((int)entry->rectangle.height - (fontset_ascent + fontset_descent)) / 2 + fontset_ascent; XmbDrawString(XtDisplayOfObject(w), XtWindowOfObject(w), entry->sme_bsb.fontset, gc, x_loc, y_loc, label, len); } else { y_loc += ((int)entry->rectangle.height - (font_ascent + font_descent)) / 2 + font_ascent; XDrawString(XtDisplayOfObject(w), XtWindowOfObject(w), gc, x_loc, y_loc, label, len); } } DrawBitmaps(w, gc); } /* Function Name: SetValues * Description: Relayout the menu when one of the resources is changed. * Arguments: current - current state of the widget. * request - what was requested. * new - what the widget will become. * Returns: none */ /* ARGSUSED */ static Boolean SetValues(current, request, new, args, num_args) Widget current, request, new; ArgList args; Cardinal *num_args; { SmeBSBObject entry = (SmeBSBObject) new; SmeBSBObject old_entry = (SmeBSBObject) current; Boolean ret_val = FALSE; if (old_entry->sme_bsb.label != entry->sme_bsb.label) { if (old_entry->sme_bsb.label != XtName( new ) ) XtFree( (char *) old_entry->sme_bsb.label ); if (entry->sme_bsb.label != XtName(new) ) entry->sme_bsb.label = XtNewString( entry->sme_bsb.label ); ret_val = True; } if (entry->rectangle.sensitive != old_entry->rectangle.sensitive ) ret_val = TRUE; if (entry->sme_bsb.left_bitmap != old_entry->sme_bsb.left_bitmap) { GetBitmapInfo(new, TRUE); ret_val = TRUE; } if (entry->sme_bsb.right_bitmap != old_entry->sme_bsb.right_bitmap) { GetBitmapInfo(new, FALSE); ret_val = TRUE; } if ( ( (old_entry->sme_bsb.font != entry->sme_bsb.font) && (old_entry->sme.international == False ) ) || (old_entry->sme_bsb.foreground != entry->sme_bsb.foreground) ) { DestroyGCs(current); CreateGCs(new); ret_val = TRUE; } if ( ( old_entry->sme_bsb.fontset != entry->sme_bsb.fontset) && (old_entry->sme.international == True ) ) /* DONT changes the GCs, because the fontset is not in them. */ ret_val = TRUE; if (ret_val) { GetDefaultSize(new, &(entry->rectangle.width), &(entry->rectangle.height)); entry->sme_bsb.set_values_area_cleared = TRUE; } return(ret_val); } /* Function Name: QueryGeometry. * Description: Returns the preferred geometry for this widget. * Arguments: w - the menu entry object. * itended, return_val - the intended and return geometry info. * Returns: A Geometry Result. * * See the Intrinsics manual for details on what this function is for. * * I just return the height and width of the label plus the margins. */ static XtGeometryResult QueryGeometry(w, intended, return_val) Widget w; XtWidgetGeometry *intended, *return_val; { SmeBSBObject entry = (SmeBSBObject) w; Dimension width, height; XtGeometryResult ret_val = XtGeometryYes; XtGeometryMask mode = intended->request_mode; GetDefaultSize(w, &width, &height ); if ( ((mode & CWWidth) && (intended->width != width)) || !(mode & CWWidth) ) { return_val->request_mode |= CWWidth; return_val->width = width; ret_val = XtGeometryAlmost; } if ( ((mode & CWHeight) && (intended->height != height)) || !(mode & CWHeight) ) { return_val->request_mode |= CWHeight; return_val->height = height; ret_val = XtGeometryAlmost; } if (ret_val == XtGeometryAlmost) { mode = return_val->request_mode; if ( ((mode & CWWidth) && (width == entry->rectangle.width)) && ((mode & CWHeight) && (height == entry->rectangle.height)) ) return(XtGeometryNo); } return(ret_val); } /* Function Name: FlipColors * Description: Invert the colors of the current entry. * Arguments: w - the bsb menu entry widget. * Returns: none. */ static void FlipColors(w) Widget w; { SmeBSBObject entry = (SmeBSBObject) w; SmeBSBObjectClass oclass = (SmeBSBObjectClass) XtClass (w); if (entry->sme_bsb.set_values_area_cleared) { return; } XFillRectangle(XtDisplayOfObject(w), XtWindowOfObject(w), entry->sme_bsb.invert_gc, 0, (int) entry->rectangle.y, (unsigned int) entry->rectangle.width, (unsigned int) entry->rectangle.height); } /************************************************************ * * Private Functions. * ************************************************************/ /* Function Name: GetDefaultSize * Description: Calculates the Default (preferred) size of * this menu entry. * Arguments: w - the menu entry widget. * width, height - default sizes (RETURNED). * Returns: none. */ static void GetDefaultSize(w, width, height) Widget w; Dimension * width, * height; { SmeBSBObject entry = (SmeBSBObject) w; if ( entry->sme.international == True ) { XFontSetExtents *ext = XExtentsOfFontSet(entry->sme_bsb.fontset); if (entry->sme_bsb.label == NULL) *width = 0; else *width = XmbTextEscapement(entry->sme_bsb.fontset, entry->sme_bsb.label, strlen(entry->sme_bsb.label)); *width += entry->sme_bsb.left_margin + entry->sme_bsb.right_margin; *height = ext->max_ink_extent.height; *height = ((int)*height * ( ONE_HUNDRED + entry->sme_bsb.vert_space )) / ONE_HUNDRED; } else { if (entry->sme_bsb.label == NULL) *width = 0; else *width = XTextWidth(entry->sme_bsb.font, entry->sme_bsb.label, strlen(entry->sme_bsb.label)); *width += entry->sme_bsb.left_margin + entry->sme_bsb.right_margin; *height = (entry->sme_bsb.font->max_bounds.ascent + entry->sme_bsb.font->max_bounds.descent); *height = ((int)*height * ( ONE_HUNDRED + entry->sme_bsb.vert_space )) / ONE_HUNDRED; } } /* Function Name: DrawBitmaps * Description: Draws left and right bitmaps. * Arguments: w - the simple menu widget. * gc - graphics context to use for drawing. * Returns: none */ static void DrawBitmaps(w, gc) Widget w; GC gc; { int x_loc, y_loc; SmeBSBObject entry = (SmeBSBObject) w; if ( (entry->sme_bsb.left_bitmap == None) && (entry->sme_bsb.right_bitmap == None) ) return; /* * Draw Left Bitmap. */ if (entry->sme_bsb.left_bitmap != None) { x_loc = (int)(entry->sme_bsb.left_margin - entry->sme_bsb.left_bitmap_width) / 2; y_loc = entry->rectangle.y + (int)(entry->rectangle.height - entry->sme_bsb.left_bitmap_height) / 2; XCopyPlane(XtDisplayOfObject(w), entry->sme_bsb.left_bitmap, XtWindowOfObject(w), gc, 0, 0, entry->sme_bsb.left_bitmap_width, entry->sme_bsb.left_bitmap_height, x_loc, y_loc, 1); } /* * Draw Right Bitmap. */ if (entry->sme_bsb.right_bitmap != None) { x_loc = entry->rectangle.width - (int)(entry->sme_bsb.right_margin + entry->sme_bsb.right_bitmap_width) / 2; y_loc = entry->rectangle.y + (int)(entry->rectangle.height - entry->sme_bsb.right_bitmap_height) / 2; XCopyPlane(XtDisplayOfObject(w), entry->sme_bsb.right_bitmap, XtWindowOfObject(w), gc, 0, 0, entry->sme_bsb.right_bitmap_width, entry->sme_bsb.right_bitmap_height, x_loc, y_loc, 1); } } /* Function Name: GetBitmapInfo * Description: Gets the bitmap information from either of the bitmaps. * Arguments: w - the bsb menu entry widget. * is_left - TRUE if we are testing left bitmap, * FALSE if we are testing the right bitmap. * Returns: none */ static void GetBitmapInfo(w, is_left) Widget w; Boolean is_left; { SmeBSBObject entry = (SmeBSBObject) w; unsigned int depth, bw; Window root; int x, y; unsigned int width, height; char buf[BUFSIZ]; if (is_left) { if (entry->sme_bsb.left_bitmap != None) { if (!XGetGeometry(XtDisplayOfObject(w), entry->sme_bsb.left_bitmap, &root, &x, &y, &width, &height, &bw, &depth)) { (void) sprintf(buf, "Xaw SmeBSB Object: %s %s \"%s\".", "Could not", "get Left Bitmap geometry information for menu entry ", XtName(w)); XtAppError(XtWidgetToApplicationContext(w), buf); } if (depth != 1) { (void) sprintf(buf, "Xaw SmeBSB Object: %s \"%s\"%s.", "Left Bitmap of entry ", XtName(w), " is not one bit deep."); XtAppError(XtWidgetToApplicationContext(w), buf); } entry->sme_bsb.left_bitmap_width = (Dimension) width; entry->sme_bsb.left_bitmap_height = (Dimension) height; } } else if (entry->sme_bsb.right_bitmap != None) { if (!XGetGeometry(XtDisplayOfObject(w), entry->sme_bsb.right_bitmap, &root, &x, &y, &width, &height, &bw, &depth)) { (void) sprintf(buf, "Xaw SmeBSB Object: %s %s \"%s\".", "Could not", "get Right Bitmap geometry information for menu entry ", XtName(w)); XtAppError(XtWidgetToApplicationContext(w), buf); } if (depth != 1) { (void) sprintf(buf, "Xaw SmeBSB Object: %s \"%s\"%s.", "Right Bitmap of entry ", XtName(w), " is not one bit deep."); XtAppError(XtWidgetToApplicationContext(w), buf); } entry->sme_bsb.right_bitmap_width = (Dimension) width; entry->sme_bsb.right_bitmap_height = (Dimension) height; } } /* Function Name: CreateGCs * Description: Creates all gc's for the simple menu widget. * Arguments: w - the simple menu widget. * Returns: none. */ static void CreateGCs(w) Widget w; { SmeBSBObject entry = (SmeBSBObject) w; XGCValues values; XtGCMask mask, mask_i18n; values.foreground = XtParent(w)->core.background_pixel; values.background = entry->sme_bsb.foreground; values.font = entry->sme_bsb.font->fid; values.graphics_exposures = FALSE; mask = GCForeground | GCBackground | GCGraphicsExposures | GCFont; mask_i18n = GCForeground | GCBackground | GCGraphicsExposures; if ( entry->sme.international == True ) entry->sme_bsb.rev_gc = XtAllocateGC(w, 0, mask_i18n, &values, GCFont, 0 ); else entry->sme_bsb.rev_gc = XtGetGC(w, mask, &values); values.foreground = entry->sme_bsb.foreground; values.background = XtParent(w)->core.background_pixel; if ( entry->sme.international == True ) entry->sme_bsb.norm_gc = XtAllocateGC(w, 0, mask_i18n, &values, GCFont, 0 ); else entry->sme_bsb.norm_gc = XtGetGC(w, mask, &values); values.fill_style = FillTiled; values.tile = XmuCreateStippledPixmap(XtScreenOfObject(w), entry->sme_bsb.foreground, XtParent(w)->core.background_pixel, XtParent(w)->core.depth); values.graphics_exposures = FALSE; mask |= GCTile | GCFillStyle; if ( entry->sme.international == True ) entry->sme_bsb.norm_gray_gc = XtAllocateGC(w, 0, mask_i18n, &values, GCFont, 0 ); else entry->sme_bsb.norm_gray_gc = XtGetGC(w, mask, &values); values.foreground ^= values.background; values.background = 0; values.function = GXxor; mask = GCForeground | GCBackground | GCGraphicsExposures | GCFunction; entry->sme_bsb.invert_gc = XtGetGC(w, mask, &values); } /* Function Name: DestroyGCs * Description: Removes all gc's for the simple menu widget. * Arguments: w - the simple menu widget. * Returns: none. */ static void DestroyGCs(w) Widget w; { SmeBSBObject entry = (SmeBSBObject) w; XtReleaseGC(w, entry->sme_bsb.norm_gc); XtReleaseGC(w, entry->sme_bsb.norm_gray_gc); XtReleaseGC(w, entry->sme_bsb.rev_gc); XtReleaseGC(w, entry->sme_bsb.invert_gc); } #ifdef apollo /* * The apollo compiler that we have optomizes out my code for * FlipColors() since it is static. and no one executes it in this * file. I am setting the function pointer into the class structure so * that it can be called by my parent who will tell me to when to * highlight and unhighlight. */ void _XawSmeBSBApolloHack () { FlipColors(); } #endif /* apollo */