156 lines
4.4 KiB
C++
156 lines
4.4 KiB
C++
//
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// Temperature.app
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//
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// Copyright (c) 2000-2002 Per Liden
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307,
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// USA.
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//
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#include <X11/Xlib.h>
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#include <X11/xpm.h>
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#include <X11/extensions/shape.h>
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#include <iostream>
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#include <stdlib.h>
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#include <string.h>
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#include "Temperature.h"
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#include "Xpm.h"
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Xpm::Xpm(Display* display, Window root, char** data)
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{
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int error;
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mDisplay = display;
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mAttributes.valuemask = 0;
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error = XpmCreatePixmapFromData(mDisplay, root, data, &mImage, &mMask, &mAttributes);
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switch (error) {
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case XpmColorError:
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std::cerr << APPNAME << ": xpm image loaded but did not get all colors needed" << std::endl;
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break;
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case XpmColorFailed:
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std::cerr << APPNAME << ": could not load xpm image (not enough colors available)" << std::endl;
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exit(0);
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break;
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case XpmNoMemory:
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std::cerr << APPNAME << ": could not load xpm image (not enough memory available)" << std::endl;
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exit(0);
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break;
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case XpmOpenFailed:
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case XpmFileInvalid:
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std::cerr << APPNAME << ": could not load xpm image (image broken or corrupt)" << std::endl;
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exit(0);
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break;
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case XpmSuccess:
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default:
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// Image loaded ok
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break;
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}
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}
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Xpm::~Xpm()
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{
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if (mImage) {
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XFreePixmap(mDisplay, mImage);
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}
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if (mMask) {
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XFreePixmap(mDisplay, mMask);
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}
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}
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void Xpm::setWindowPixmap(Window win)
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{
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XResizeWindow(mDisplay, win, mAttributes.width, mAttributes.height);
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XSetWindowBackgroundPixmap(mDisplay, win, mImage);
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XClearWindow(mDisplay, win);
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}
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void Xpm::setWindowPixmapShaped(Window win)
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{
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XResizeWindow(mDisplay, win, mAttributes.width, mAttributes.height);
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XSetWindowBackgroundPixmap(mDisplay, win, mImage);
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XShapeCombineMask(mDisplay, win, ShapeBounding, 0, 0, mMask, ShapeSet);
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XClearWindow(mDisplay, win);
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}
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void Xpm::drawString(int pos, char* font, char* str)
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{
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XFontStruct* fontStruct;
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GC gc;
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XGCValues gcv;
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if ((fontStruct = XLoadQueryFont(mDisplay, font)) == 0) {
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cerr << APPNAME << ": could not load font '" << font << "'" << endl;
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exit(0);
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}
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gcv.foreground = WhitePixel(mDisplay, DefaultScreen(mDisplay));
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gc = XCreateGC(mDisplay, mImage, GCForeground, &gcv);
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int strLength = strlen(str);
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int strWidth = XTextWidth(fontStruct, str, strLength);
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int x = (64 / 2) - (strWidth / 2);
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XSetFont(mDisplay, gc, fontStruct->fid);
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XDrawString(mDisplay, mImage, gc, x, pos, str, strLength);
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XFreeGC(mDisplay, gc);
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XFreeFont(mDisplay, fontStruct);
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}
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void Xpm::drawComposedString(int pos, char* font1, char* str1, char* font2, char* str2)
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{
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XFontStruct* fontStruct1;
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XFontStruct* fontStruct2;
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GC gc;
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XGCValues gcv;
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if ((fontStruct1 = XLoadQueryFont(mDisplay, font1)) == 0) {
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cerr << APPNAME << ": could not load font '" << font1 << "'" << endl;
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exit(0);
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}
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if ((fontStruct2 = XLoadQueryFont(mDisplay, font2)) == 0) {
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cerr << APPNAME << ": could not load font '" << font2 << "'" << endl;
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exit(0);
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}
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gcv.foreground = WhitePixel(mDisplay, DefaultScreen(mDisplay));
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gc = XCreateGC(mDisplay, mImage, GCForeground, &gcv);
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int str1Length = strlen(str1);
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int str1Width = XTextWidth(fontStruct1, str1, str1Length);
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int str2Length = strlen(str2);
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int str2Width = XTextWidth(fontStruct2, str2, str2Length);
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int x = (64 / 2) - ((str1Width + str2Width) / 2);
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XSetFont(mDisplay, gc, fontStruct1->fid);
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XDrawString(mDisplay, mImage, gc, x, pos, str1, str1Length);
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x += str1Width;
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XSetFont(mDisplay, gc, fontStruct2->fid);
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XDrawString(mDisplay, mImage, gc, x, pos, str2, str2Length);
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XFreeGC(mDisplay, gc);
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XFreeFont(mDisplay, fontStruct1);
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XFreeFont(mDisplay, fontStruct2);
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}
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