// FbRun.hh // Copyright (c) 2002 Henrik Kinnunen (fluxgen@linuxmail.org) // // 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 AUTHORS OR COPYRIGHT HOLDERS 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. // $Id: FbRun.cc,v 1.2 2002/09/03 10:55:02 fluxgen Exp $ #include "FbRun.hh" #include <X11/Xlib.h> #include <X11/keysym.h> #include <X11/Xutil.h> #include <unistd.h> #include <iostream> using namespace std; FbRun::FbRun(Display *disp, int x, int y, size_t width): m_font(disp, "fixed"), m_win(None), m_display(disp), m_bevel(4), m_gc(None), m_end(false) { createWindow(x, y, width + m_bevel, m_font.height()); // create GC XGCValues gcv; if (m_font.fontStruct()) gcv.font = m_font.fontStruct()->fid; m_gc = XCreateGC(m_display, m_win, GCFont, &gcv); } FbRun::~FbRun() { hide(); XDestroyWindow(m_display, m_win); } void FbRun::run(const std::string &command) { //fork and execute program if (!fork()) { setsid(); execl("/bin/sh", "/bin/sh", "-c", command.c_str(), 0); exit(0); //exit fork } hide(); m_end = true; // mark end of processing } bool FbRun::loadFont(const string &fontname) { if (!m_font.load(fontname.c_str())) return false; // reconfigure m_gc for the new font XGCValues gcv; if (m_font.fontStruct()) gcv.font = m_font.fontStruct()->fid; XChangeGC(m_display, m_gc, GCFont, &gcv); // resize to fit new font height resize(m_width, m_font.height() + m_bevel); return true; } void FbRun::setForeground(const XColor &color) { XSetForeground(m_display, m_gc, color.pixel); redrawLabel(); } void FbRun::setBackground(const XColor &color) { XSetWindowBackground(m_display, m_win, color.pixel); redrawLabel(); } void FbRun::setText(const string &text) { m_runtext = text; redrawLabel(); } void FbRun::setTitle(const string &title) { assert(m_win); XStoreName(m_display, m_win, const_cast<char *>(title.c_str())); } void FbRun::move(int x, int y) { XMoveWindow(m_display, m_win, x, y); } void FbRun::resize(size_t width, size_t height) { assert(m_win); XResizeWindow(m_display, m_win, width, height); m_width = width; m_height = height + m_bevel; setNoMaximize(); } void FbRun::show() { assert(m_win); XMapWindow(m_display, m_win); } void FbRun::hide() { assert(m_win); XUnmapWindow(m_display, m_win); } void FbRun::redrawLabel() { assert(m_win); XClearWindow(m_display, m_win); drawString(m_bevel/2, m_height - m_bevel/2, m_runtext.c_str(), m_runtext.size()); } void FbRun::drawString(int x, int y, const char *text, size_t len) { assert(m_win); assert(m_gc); if (FbTk::Font::multibyte()) { XmbDrawString(m_display, m_win, m_font.fontSet(), m_gc, x, y, text, len); } else { XDrawString(m_display, m_win, m_gc, x, y, text, len); } } void FbRun::createWindow(int x, int y, size_t width, size_t height) { m_win = XCreateSimpleWindow(m_display, // display DefaultRootWindow(m_display), // parent windows x, y, width, height, 1, // border_width 0, // border WhitePixel(m_display, DefaultScreen(m_display))); // background if (m_win == None) throw string("Failed to create FbRun window!"); XSelectInput(m_display, m_win, KeyPressMask|ExposureMask); setNoMaximize(); m_width = width; m_height = height; } void FbRun::handleEvent(XEvent * const xev) { switch (xev->type) { case KeyPress: { KeySym ks; char keychar[1]; XLookupString(&xev->xkey, keychar, 1, &ks, 0); if (ks == XK_Escape) { m_end = true; hide(); return; // no more processing } else if (ks == XK_Return) { run(m_runtext); m_runtext = ""; // clear text } else if (ks == XK_BackSpace && m_runtext.size() != 0) { m_runtext.erase(m_runtext.size()-1); redrawLabel(); } else if (! IsModifierKey(ks) && !IsCursorKey(ks)) { m_runtext+=keychar[0]; // append character redrawLabel(); } } break; case Expose: redrawLabel(); break; default: break; } } void FbRun::getSize(size_t &width, size_t &height) { XWindowAttributes attr; XGetWindowAttributes(m_display, m_win, &attr); width = attr.width; height = attr.height; } void FbRun::setNoMaximize() { size_t width, height; getSize(width, height); // we don't need to maximize this window XSizeHints sh; sh.flags = PMaxSize | PMinSize; sh.max_width = width; sh.max_height = height; sh.min_width = width; sh.min_height = height; XSetWMNormalHints(m_display, m_win, &sh); }