.:F L U X B O X:. - Developer Zone

00001 // CommandDialog.cc for Fluxbox
00002 // Copyright (c) 2003 Henrik Kinnunen (fluxgen(at)users.sourceforge.net)
00003 //                and Simon Bowden    (rathnor at users.sourceforge.net)
00004 //
00005 // Permission is hereby granted, free of charge, to any person obtaining a
00006 // copy of this software and associated documentation files (the "Software"),
00007 // to deal in the Software without restriction, including without limitation
00008 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
00009 // and/or sell copies of the Software, and to permit persons to whom the
00010 // Software is furnished to do so, subject to the following conditions:
00011 //
00012 // The above copyright notice and this permission notice shall be included in
00013 // all copies or substantial portions of the Software.
00014 //
00015 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00016 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00017 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
00018 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00019 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
00020 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
00021 // DEALINGS IN THE SOFTWARE.
00022 
00023 // $Id: CommandDialog.cc,v 1.3 2004/01/02 13:53:21 fluxgen Exp $
00024 
00025 #include "CommandDialog.hh"
00026 
00027 #include "Screen.hh"
00028 #include "FbWinFrameTheme.hh"
00029 #include "WinClient.hh"
00030 #include "CommandParser.hh"
00031 #include "fluxbox.hh"
00032 
00033 #include "FbTk/ImageControl.hh"
00034 #include "FbTk/EventManager.hh"
00035 #include "FbTk/StringUtil.hh"
00036 #include "FbTk/App.hh"
00037 
00038 #include <X11/keysym.h>
00039 #include <X11/Xutil.h>
00040 
00041 #include <iostream>
00042 #include <memory>
00043 #include <stdexcept>
00044 using namespace std;
00045 
00046 CommandDialog::CommandDialog(BScreen &screen, const std::string &title):
00047     FbWindow(screen.rootWindow().screenNumber(),
00048              0, 0, 200, 1, ExposureMask),
00049     m_font("fixed"),
00050     m_textbox(*this, m_font, ""),
00051     m_label(*this, screen.winFrameTheme().font(), title),    
00052     m_gc(m_textbox),
00053     m_screen(screen),
00054     m_move_x(0),
00055     m_move_y(0),
00056     m_pixmap(0) {
00057     init();
00058 
00059 }
00060 
00061 CommandDialog::CommandDialog(BScreen &screen, const std::string &title, const std::string &precommand):
00062     FbWindow(screen.rootWindow().screenNumber(),
00063              0, 0, 200, 1, ExposureMask),
00064     m_font("fixed"),
00065     m_textbox(*this, m_font, ""),
00066     m_label(*this, screen.winFrameTheme().font(), title),    
00067     m_gc(m_textbox),
00068     m_screen(screen),
00069     m_move_x(0),
00070     m_move_y(0),
00071     m_pixmap(0),
00072     m_precommand(precommand) {
00073     init();
00074 
00075 }
00076 
00077 CommandDialog::~CommandDialog() {
00078     FbTk::EventManager::instance()->remove(*this);
00079     hide();
00080     if (m_pixmap != 0)
00081         m_screen.imageControl().removeImage(m_pixmap);
00082 }
00083 
00084 void CommandDialog::setText(const std::string &text) {
00085     m_textbox.setText(text);
00086 }
00087 
00088 void CommandDialog::show() {
00089     FbTk::FbWindow::show();
00090     m_textbox.setInputFocus();
00091     m_label.clear();
00092     // resize to correct width, which should be the width of label text
00093     // no need to truncate label text in this dialog
00094     // but if label text size < 200 we set 200
00095     if (m_label.textWidth() < 200)
00096         return;
00097     else {
00098         resize(m_label.textWidth(), height());
00099         updateSizes();
00100         render();
00101     }
00102 }
00103 
00104 void CommandDialog::hide() {
00105     FbTk::FbWindow::hide();
00106 
00107     // return focus to fluxbox window
00108     if (Fluxbox::instance()->getFocusedWindow() &&
00109         Fluxbox::instance()->getFocusedWindow()->fbwindow())
00110         Fluxbox::instance()->getFocusedWindow()->fbwindow()->setInputFocus();
00111 
00112 }
00113 
00114 void CommandDialog::exposeEvent(XExposeEvent &event) {
00115     if (event.window == window())
00116         clearArea(event.x, event.y, event.width, event.height);
00117 }
00118 
00119 void CommandDialog::buttonPressEvent(XButtonEvent &event) {
00120     m_textbox.setInputFocus();
00121     m_move_x = event.x_root - x();
00122     m_move_y = event.y_root - y();
00123 }
00124 
00125 void CommandDialog::handleEvent(XEvent &event) {
00126     if (event.type == ConfigureNotify && event.xconfigure.window != window()) {
00127         moveResize(event.xconfigure.x, event.xconfigure.y,
00128                    event.xconfigure.width, event.xconfigure.height);
00129     } else if (event.type == DestroyNotify)
00130         delete this;
00131 }
00132 
00133 void CommandDialog::motionNotifyEvent(XMotionEvent &event) {
00134     int new_x = event.x_root - m_move_x;
00135     int new_y = event.y_root - m_move_y;
00136     move(new_x, new_y);
00137 }
00138 
00139 void CommandDialog::keyPressEvent(XKeyEvent &event) {
00140     if (event.state)
00141         return;
00142 
00143     KeySym ks;
00144     char keychar[1];
00145     XLookupString(&event, keychar, 1, &ks, 0);
00146 
00147     if (ks == XK_Return) {
00148         hide(); // hide and return focus to a FluxboxWindow
00149         // create command from line
00150         std::auto_ptr<FbTk::Command> cmd(CommandParser::instance().
00151             parseLine(m_precommand + m_textbox.text()));
00152         if (cmd.get())
00153             cmd->execute();
00154         // post execute 
00155         if (*m_postcommand != 0)
00156             m_postcommand->execute();
00157 
00158         delete this; // end this
00159     } else if (ks == XK_Escape)
00160         delete this; // end this
00161     else if (ks == XK_Tab) {
00162         // try to expand a command
00163         tabComplete();
00164     }
00165 }
00166 
00167 void CommandDialog::tabComplete() {
00168     try {
00169         string::size_type first = m_textbox.text().find_last_not_of("ABCDEFGHIJKLMNOPQRSTUVWXYZ"
00170                                                                     "abcdefghijklmnopqrstuvwxyz"
00171                                                                     "0123456789", 
00172                                                                     m_textbox.cursorPosition());
00173         if (first == string::npos)
00174             first = 0;
00175         string prefix = FbTk::StringUtil::toLower(m_textbox.text().substr(first, m_textbox.cursorPosition()));
00176         if (prefix.size() == 0) {
00177             XBell(FbTk::App::instance()->display(), 0);
00178             return;
00179         }
00180 
00181         CommandParser::CommandFactoryMap::const_iterator it = CommandParser::instance().factorys().begin();
00182         const CommandParser::CommandFactoryMap::const_iterator it_end = CommandParser::instance().factorys().end();
00183         std::vector<std::string> matches;
00184         for (; it != it_end; ++it) {
00185             if ((*it).first.find(prefix) == 0) {
00186                 matches.push_back((*it).first);
00187             }
00188         }
00189 
00190         if (!matches.empty()) {
00191             // sort and apply larges match
00192             std::sort(matches.begin(), matches.end(), less<string>());        
00193             m_textbox.setText(m_textbox.text() + matches[0].substr(prefix.size()));
00194         } else
00195             XBell(FbTk::App::instance()->display(), 0);
00196 
00197     } catch (std::out_of_range &oor) {
00198         XBell(FbTk::App::instance()->display(), 0);
00199     }
00200 }
00201 
00202 void CommandDialog::render() {
00203     Pixmap tmp = m_pixmap;
00204     if (!m_screen.winFrameTheme().labelFocusTexture().usePixmap()) {
00205         m_label.setBackgroundColor(m_screen.winFrameTheme().labelFocusTexture().color());
00206         m_pixmap = 0;
00207     } else {
00208         m_pixmap = m_screen.imageControl().renderImage(m_label.width(), m_label.height(),
00209                                                        m_screen.winFrameTheme().labelFocusTexture());
00210         m_label.setBackgroundPixmap(m_pixmap);
00211     }
00212 
00213     if (tmp)
00214         m_screen.imageControl().removeImage(tmp);
00215 
00216 }
00217 
00218 void CommandDialog::init() {
00219 
00220 
00221     // setup label
00222     // we listen to motion notify too
00223     m_label.setEventMask(m_label.eventMask() | ButtonPressMask | ButtonMotionMask); 
00224     m_label.setGC(m_screen.winFrameTheme().labelTextFocusGC());
00225     m_label.show();
00226 
00227     // setup text box
00228     FbTk::Color white("white", m_textbox.screenNumber());
00229     m_textbox.setBackgroundColor(white);
00230     FbTk::Color black("black", m_textbox.screenNumber());
00231     m_gc.setForeground(black);
00232     m_textbox.setGC(m_gc.gc());
00233     m_textbox.show();
00234 
00235     // setup this window
00236     setBorderWidth(1);
00237     setBackgroundColor(white);
00238     // move to center of the screen
00239     move((m_screen.width() - width())/2, (m_screen.height() - height())/2);
00240 
00241     updateSizes();
00242     resize(width(), m_textbox.height() + m_label.height());
00243 
00244     render();
00245 
00246     // we need ConfigureNotify from children
00247     FbTk::EventManager::instance()->addParent(*this, *this);
00248 }
00249 
00250 void CommandDialog::updateSizes() {
00251     m_label.moveResize(0, 0,
00252                        width(), m_font.height() + 2);
00253     
00254     m_textbox.moveResize(2, m_label.height(),
00255                          width() - 4, m_font.height() + 2);    
00256 }
CommandDialog.cc

Fluxbox CVS-Jan-2003
