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MESSAGE.C
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C/C++ Source or Header
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1980-01-03
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/*
* Copyright (c) 1987, 1988, 1989 Stanford University
*
* 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, and that the name of Stanford not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. Stanford makes no representations about
* the suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* STANFORD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
* IN NO EVENT SHALL STANFORD 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.
*/
/*
* Message class implementation.
*/
#include <InterViews/message.h>
#include <InterViews/font.h>
#include <InterViews/painter.h>
#include <InterViews/shape.h>
#include <stdlib.h>
Message::Message(const char* msg, Alignment al, int pad, int hstr, int vstr) {
Init(msg, al, pad, hstr, vstr);
}
Message::Message(
const char* name,
const char* msg, Alignment al, int pad, int hstr, int vstr
) : (name) {
Init(msg, al, pad, hstr, vstr);
}
void Message::Init (const char* t, Alignment a, int p, int hstr, int vstr) {
SetClassName("Message");
text = t;
alignment = a;
pad = p;
shape->hstretch = hstr;
shape->vstretch = vstr;
highlighted = false;
}
void Message::Reconfig () {
const char* a = GetAttribute("text");
if (a != nil) {
text = a;
}
a = GetAttribute("padding");
if (a != nil) {
pad = atoi(a);
}
Font* f = output->GetFont();
shape->width = pad + f->Width(text) + pad;
shape->height = pad + f->Height() + pad;
shape->hshrink = pad + pad;
shape->vshrink = pad + pad;
}
void Message::Realign (Alignment a) {
alignment = a;
Draw();
}
void Message::Redraw (Coord l, Coord b, Coord r, Coord t) {
#ifndef _3D
Coord x = 0, y = 0;
Align(alignment, shape->width, shape->height, x, y);
output->Clip(canvas, l, b, r, t);
if (highlighted) {
output->SetColors(output->GetBgColor(), output->GetFgColor());
}
output->ClearRect(canvas, l, b, r, t);
output->Text(canvas, text, x + pad, y + pad);
if (highlighted) {
output->SetColors(output->GetBgColor(), output->GetFgColor());
}
output->NoClip();
#endif
#ifdef _3D
Coord x = 0, y = 0;
Align(alignment, shape->width, shape->height, x, y);
output->Clip(canvas, l, b, r, t);
if (highlighted) {
output->SetColors(output->GetBgColor(), output->GetFgColor());
}
output->ClearRect(canvas, l, b, r, t);
output->Text(canvas, text, x + pad, y + pad);
if (highlighted) {
output->SetColors(output->GetBgColor(), output->GetFgColor());
}
output->NoClip();
#endif
}
void Message::Highlight (boolean b) {
if (highlighted != b) {
highlighted = b;
Draw();
}
}