/* * Author: William Chia-Wei Cheng (william@cs.ucla.edu) * * Copyright (C) 1990-1996, William Chia-Wei Cheng. * * Permission limited to the use, copy, display, distribute without * charging for a fee, and produce derivative works of "tgif" and * its documentation for not-for-profit purpose is hereby granted by * the Author, provided that the above copyright notice appears in * all copies made of "tgif" and that both the copyright notice * and this permission notice appear in supporting documentation, * and that the name of the Author not be used in advertising or * publicity pertaining to distribution of the software without * specific, written prior permission. The Author makes no * representations about the suitability of this software for any * purpose. It is provided "as is" without express or implied * warranty. All other rights (including, but not limited to, the * right to sell "tgif", the right to sell derivative works of * "tgif", and the right to distribute "tgif" for a fee) are * reserved by the Author. * * THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, * IN NO EVENT SHALL THE AUTHOR 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. */ #ifndef lint static char RCSid[] = "@(#)$Header: /n/opus/u/guest/william/src/tgif/v3/RCS/button.c,v 3.0 1996/05/06 16:03:56 william Exp $"; #endif #include #include #include #include #include #include "const.h" #include "types.h" #include "auxtext.e" #include "box.e" #ifndef _NO_EXTERN #include "button.e" #endif #include "cursor.e" #include "file.e" #include "font.e" #include "mainloop.e" #include "mainmenu.e" #include "msg.e" #include "raster.e" #include "rect.e" #include "setup.e" static int twoSpaceWidth=0; static int twoSpaceWidthInitialized=FALSE; static void SetTwoSpaceWidth() { if (boldMsgFontPtr == NULL) return; if (!twoSpaceWidthInitialized) { twoSpaceWidthInitialized = TRUE; twoSpaceWidth = XTextWidth(boldMsgFontPtr, " ", 2); } } int ButtonWidth(Str, Len) char *Str; int Len; { int len=strlen(Str); if (boldMsgFontPtr == NULL) { return (defaultFontWidth * max(len+2, Len)); } else { SetTwoSpaceWidth(); return 4+XTextWidth(boldMsgFontPtr, " CANCEL ", 10); } } void DisplayButton(Win, Str, Len, BBox, Normal) Window Win; char *Str; int Len; struct BBRec *BBox; int Normal; /* Display a button in Win at location ((*BBox).ltx,(*BBox).lty), Str is */ /* centered in the button. The width of the button is the width of */ /* Str + 2 character widths or the width of Len number of characters, */ /* whichever is bigger. *BBox will be set with the bounding */ /* box of the button. */ { int button_w, button_h, len_of_str, left; len_of_str = strlen(Str); button_w = ButtonWidth(Str, Len); if (boldMsgFontPtr == NULL) { left = ((button_w - defaultFontWidth * len_of_str)>>1); button_h = defaultFontHeight + 4; } else { left = ((button_w - XTextWidth(boldMsgFontPtr, Str, len_of_str))>>1); button_h = boldMsgFontHeight + 4; } BBox->rbx = BBox->ltx + button_w - 1; BBox->rby = BBox->lty + button_h - 1; if (Normal) { XSetForeground(mainDisplay, defaultGC, myBgPixel); XFillRectangle(mainDisplay, Win, defaultGC, BBox->ltx, BBox->lty, button_w, button_h); XSetForeground(mainDisplay, defaultGC, myFgPixel); XDrawRectangle(mainDisplay, Win, defaultGC, BBox->ltx, BBox->lty, button_w, button_h); if (boldMsgFontPtr == NULL) { XDrawString(mainDisplay, Win, defaultGC, BBox->ltx+left, BBox->lty+defaultFontAsc+2, Str, len_of_str); } else { XSetFont(mainDisplay, defaultGC, boldMsgFontPtr->fid); XDrawString(mainDisplay, Win, defaultGC, BBox->ltx+left, BBox->lty+boldMsgFontAsc+2, Str, len_of_str); XSetFont(mainDisplay, defaultGC, defaultFontPtr->fid); } } else { XFillRectangle(mainDisplay, Win, revDefaultGC, BBox->ltx, BBox->lty, button_w, button_h); } } void DisplayButtonInBBox(Win, Str, Len, BBox, Normal, HighLight, Width) Window Win; char *Str; int Len, HighLight, Width; struct BBRec *BBox; int Normal; /* Display a button in Win at location ((*BBox).ltx,(*BBox).lty), Str is */ /* centered in the button. The width of the button is given in BBox. */ /* Len must be strlen(Str) */ /* If HighLight is TRUE, Width is used to draw an outline around the box. */ { int button_w, button_h, left, top, text_w; button_w = BBox->rbx - BBox->ltx; button_h = BBox->rby - BBox->lty; if (boldMsgFontPtr == NULL) { text_w = defaultFontWidth * Len; left = ((button_w - text_w)>>1); top = ((button_h - defaultFontHeight)>>1); } else { text_w = XTextWidth(boldMsgFontPtr, Str, Len); left = ((button_w - text_w)>>1); top = ((button_h - boldMsgFontHeight)>>1); } if (Normal) { XSetForeground(mainDisplay, defaultGC, myBgPixel); XFillRectangle(mainDisplay, Win, defaultGC, BBox->ltx, BBox->lty, button_w, button_h); XSetForeground(mainDisplay, defaultGC, myFgPixel); XDrawRectangle(mainDisplay, Win, defaultGC, BBox->ltx, BBox->lty, button_w, button_h); if (boldMsgFontPtr == NULL) { XDrawString(mainDisplay, Win, defaultGC, BBox->ltx+left, BBox->lty+defaultFontAsc+2, Str, Len); } else { XSetFont(mainDisplay, defaultGC, boldMsgFontPtr->fid); XDrawString(mainDisplay, Win, defaultGC, BBox->ltx+left, BBox->lty+boldMsgFontAsc+2, Str, Len); XSetFont(mainDisplay, defaultGC, defaultFontPtr->fid); } } else { XFillRectangle(mainDisplay, Win, revDefaultGC, BBox->ltx, BBox->lty, button_w, button_h); } if (HighLight) { XDrawRectangle(mainDisplay, Win, defaultGC, BBox->ltx-Width, BBox->lty-Width, button_w+(Width<<1), button_h+(Width<<1)); } }