src/RootTheme.cc (raw)
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// RootTheme.cc // Copyright (c) 2003 - 2005 Henrik Kinnunen (fluxgen at fluxbox dot 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. // $Id$ #include "RootTheme.hh" #include "FbRootWindow.hh" #include "FbCommands.hh" #include "FbTk/App.hh" #include "FbTk/Font.hh" #include "FbTk/ImageControl.hh" #include "FbTk/Resource.hh" #include "FbTk/FileUtil.hh" #include "FbTk/StringUtil.hh" #include "FbTk/TextureRender.hh" #include <X11/Xatom.h> using std::string; class BackgroundItem: public FbTk::ThemeItem<FbTk::Texture> { public: BackgroundItem(FbTk::Theme &tm, const std::string &name, const std::string &altname): FbTk::ThemeItem<FbTk::Texture>(tm, name, altname) { } void load(const std::string *o_name = 0, const std::string *o_altname = 0) { const string &m_name = (o_name == 0) ? name() : *o_name; const string &m_altname = (o_altname == 0) ? altName() : *o_altname; // create subnames string color_name(FbTk::ThemeManager::instance(). resourceValue(m_name + ".color", m_altname + ".Color")); string colorto_name(FbTk::ThemeManager::instance(). resourceValue(m_name + ".colorTo", m_altname + ".ColorTo")); string pixmap_name(FbTk::ThemeManager::instance(). resourceValue(m_name + ".pixmap", m_altname + ".Pixmap")); // set default value if we failed to load colors if (!(*this)->color().setFromString(color_name.c_str(), theme().screenNum())) (*this)->color().setFromString("darkgray", theme().screenNum()); if (!(*this)->colorTo().setFromString(colorto_name.c_str(), theme().screenNum())) (*this)->colorTo().setFromString("white", theme().screenNum()); if (((*this)->type() & FbTk::Texture::SOLID) != 0 && ((*this)->type() & FbTk::Texture::FLAT) == 0) (*this)->calcHiLoColors(theme().screenNum()); // remove whitespace and set filename FbTk::StringUtil::removeFirstWhitespace(pixmap_name); FbTk::StringUtil::removeTrailingWhitespace(pixmap_name); m_filename = pixmap_name; // we dont load any pixmap, using external command to set background pixmap (*this)->pixmap() = 0; } void setFromString(const char *str) { m_options = str; // save option string FbTk::ThemeItem<FbTk::Texture>::setFromString(str); } const std::string &filename() const { return m_filename; } const std::string &options() const { return m_options; } private: std::string m_filename, m_options; }; RootTheme::RootTheme(const std::string &root_command, FbTk::ImageControl &image_control): FbTk::Theme(image_control.screenNumber()), m_background(new BackgroundItem(*this, "background", "Background")), m_opgc(RootWindow(FbTk::App::instance()->display(), image_control.screenNumber())), m_root_command(root_command), m_image_ctrl(image_control), m_lock(false), m_background_loaded(true) { Display *disp = FbTk::App::instance()->display(); m_opgc.setForeground(WhitePixel(disp, screenNum())^BlackPixel(disp, screenNum())); m_opgc.setFunction(GXxor); m_opgc.setSubwindowMode(IncludeInferiors); m_opgc.setLineAttributes(1, LineSolid, CapNotLast, JoinMiter); } RootTheme::~RootTheme() { delete m_background; } bool RootTheme::fallback(FbTk::ThemeItem_base &item) { // if background theme item was not found in the // style then mark background as not loaded so // we can deal with it in reconfigureTheme() if (item.name() == "background") { // mark no background loaded m_background_loaded = false; return true; } return false; } void RootTheme::reconfigTheme() { if (m_lock) return; // if user specified background in the config then use it // instead of style background if (!m_root_command.empty()) { FbCommands::ExecuteCmd cmd(m_root_command, screenNum()); cmd.execute(); return; } // // Else parse background from style // // root window helper FbRootWindow rootwin(screenNum()); // if the background theme item was not loaded // then generate an image with a text that // notifies the user about it if (!m_background_loaded) { FbTk::FbPixmap root(FbTk::FbPixmap::getRootPixmap(screenNum())); // if there is no root background pixmap // then we need to create one if (root.drawable() == None) { root.create(rootwin.window(), rootwin.width(), rootwin.height(), rootwin.depth()); FbTk::FbPixmap::setRootPixmap(screenNum(), root.drawable()); } // setup root window property Atom atom_root = XInternAtom(rootwin.display(), "_XROOTPMAP_ID", false); Pixmap pm = root.drawable(); rootwin.changeProperty(atom_root, XA_PIXMAP, 32, PropModeReplace, (unsigned char *)&pm, 1); rootwin.setBackgroundPixmap(root.drawable()); FbTk::GContext gc(root); // fill background color gc.setForeground(FbTk::Color("black", screenNum())); root.fillRectangle(gc.gc(), 0, 0, root.width(), root.height()); // text color gc.setForeground(FbTk::Color("white", screenNum())); // render text const char errormsg[] = "There is no background option specified in this style. Please consult the manual or read the FAQ."; FbTk::Font font; font.drawText(root, screenNum(), gc.gc(), errormsg, strlen(errormsg), 2, font.height() + 2); // added some extra pixels for better visibility // reset background mark m_background_loaded = true; root.release(); // we dont want to destroy this pixmap } else { // handle background option in style std::string filename = m_background->filename(); FbTk::StringUtil::removeTrailingWhitespace(filename); FbTk::StringUtil::removeFirstWhitespace(filename); // if background argument is a file then // parse image options and call image setting // command specified in the resources if (FbTk::FileUtil::isRegularFile(filename.c_str())) { // parse options std::string options; if (strstr(m_background->options().c_str(), "tiled") != 0) options += "-t "; if (strstr(m_background->options().c_str(), "centered") != 0) options += "-c "; if (strstr(m_background->options().c_str(), "random") != 0) options += "-r "; if (strstr(m_background->options().c_str(), "aspect") != 0) options += "-a "; // compose wallpaper application "fbsetbg" with argumetns std::string commandargs = "fbsetbg " + options + " " + filename; // call command with options FbCommands::ExecuteCmd exec(commandargs, screenNum()); exec.execute(); } else { // render normal texture // we override the image control renderImage since // since we do not want to cache this pixmap XColor *colors; int num_colors; m_image_ctrl.getXColorTable(&colors, &num_colors); FbTk::TextureRender image(m_image_ctrl, rootwin.width(), rootwin.height(), colors, num_colors); Pixmap pixmap = image.render(*(*m_background)); // setup root window property Atom atom_root = XInternAtom(rootwin.display(), "_XROOTPMAP_ID", false); rootwin.changeProperty(atom_root, XA_PIXMAP, 32, PropModeReplace, (unsigned char *)&pixmap, 1); rootwin.setBackgroundPixmap(pixmap); } } // clear root window rootwin.clear(); } |