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// RootTheme.cc
// Copyright (c) 2003 - 2006 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.
#include "RootTheme.hh"
#include "defaults.hh"
#include "FbRootWindow.hh"
#include "FbCommands.hh"
#include "Screen.hh"
#include "FbTk/App.hh"
#include "FbTk/Font.hh"
#include "FbTk/Image.hh"
#include "FbTk/ImageControl.hh"
#include "FbTk/Resource.hh"
#include "FbTk/FileUtil.hh"
#include "FbTk/StringUtil.hh"
#include "FbTk/TextureRender.hh"
#include "FbTk/I18n.hh"
#include <X11/Xatom.h>
#include <iostream>
#include <sys/types.h>
#include <sys/wait.h>
#ifdef HAVE_CSTRING
#include <cstring>
#else
#include <string.h>
#endif
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),
m_changed(false), m_loaded(false) {
}
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;
// if we got this far, then the background was loaded
m_loaded = true;
// 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"));
string mod_x(FbTk::ThemeManager::instance().
resourceValue(m_name + ".modX", m_altname + ".ModX"));
string mod_y(FbTk::ThemeManager::instance().
resourceValue(m_name + ".modY", m_altname + ".ModY"));
// validate mod_x and mod_y
if (mod_x.length() > 2)
mod_x.erase(2,mod_x.length()); // shouldn't be longer than 2 digits
if (mod_y.length() > 2)
mod_y.erase(2,mod_y.length()); // ditto
// should be integers
if (!mod_x.length() || mod_x[0] < '0' || mod_x[0] > '9' ||
(mod_x.length() == 2 && (mod_x[1] < '0' || mod_x[1] > '9')))
mod_x = "1";
if (!mod_y.length() || mod_y[0] < '0' || mod_y[0] > '9' ||
(mod_y.length() == 2 && (mod_y[1] < '0' || mod_y[1] > '9')))
mod_y = "1";
// remove whitespace from filename
FbTk::StringUtil::removeFirstWhitespace(pixmap_name);
FbTk::StringUtil::removeTrailingWhitespace(pixmap_name);
// check if the background has been changed
if (mod_x != m_mod_x || mod_y != m_mod_y || pixmap_name != m_filename ||
color_name != m_color || colorto_name != m_color_to) {
m_changed = true;
m_mod_x = mod_x;
m_mod_y = mod_y;
m_filename = pixmap_name;
// these aren't quite right because of defaults set below
m_color = color_name;
m_color_to = colorto_name;
}
// 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());
// 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; }
const std::string &colorString() const { return m_color; }
const std::string &colorToString() const { return m_color_to; }
const std::string &modX() const { return m_mod_x; }
const std::string &modY() const { return m_mod_y; }
bool changed() const { return m_changed; }
bool loaded() const { return m_loaded; }
void setApplied() { m_changed = false; }
void unsetLoaded() { m_loaded = false; }
private:
std::string m_filename, m_options;
std::string m_color, m_color_to;
std::string m_mod_x, m_mod_y;
bool m_changed, m_loaded;
};
RootTheme::RootTheme(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_image_ctrl(image_control),
m_first(true) {
Display *disp = FbTk::App::instance()->display();
m_opgc.setForeground(WhitePixel(disp, screenNum())^BlackPixel(disp, screenNum()));
m_opgc.setFunction(GXxor);
m_opgc.setSubwindowMode(IncludeInferiors);
FbTk::ThemeManager::instance().loadTheme(*this);
}
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->unsetLoaded();
return true;
}
return false;
}
void RootTheme::reconfigTheme() {
if (!m_background->loaded())
return;
if (!m_first && !m_background->changed())
return;
//
// Else parse background from style
//
m_background->setApplied();
// 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
std::string img_path = FbTk::Image::locateFile(filename);
filename = FbTk::StringUtil::expandFilename(filename);
std::string cmd = realProgramName("fbsetbg") + (m_first ? " -z " : " -Z ");
// user explicitly requests NO background be set at all
if (strstr(m_background->options().c_str(), "unset") != 0) {
return;
}
// style doesn't wish to change the background
if (strstr(m_background->options().c_str(), "none") != 0) {
if (!m_first)
return;
} else if (!img_path.empty()) {
// parse options
if (strstr(m_background->options().c_str(), "tiled") != 0)
cmd += "-t ";
else if (strstr(m_background->options().c_str(), "centered") != 0)
cmd += "-c ";
else if (strstr(m_background->options().c_str(), "aspect") != 0)
cmd += "-a ";
else
cmd += "-f ";
cmd += img_path;
} else if (FbTk::FileUtil::isDirectory(filename.c_str()) &&
strstr(m_background->options().c_str(), "random") != 0) {
cmd += "-r " + filename;
} else {
// render normal texture with fbsetroot
cmd += "-b ";
// Make sure the color strings are valid,
// so we dont pass any `commands` that can be executed
bool color_valid =
FbTk::Color::validColorString(m_background->colorString().c_str(),
screenNum());
bool color_to_valid =
FbTk::Color::validColorString(m_background->colorToString().c_str(),
screenNum());
std::string options;
if (color_valid)
cmd += "-foreground '" + m_background->colorString() + "' ";
if (color_to_valid)
cmd += "-background '" + m_background->colorToString() + "' ";
if (strstr(m_background->options().c_str(), "mod") != 0)
cmd += "-mod " + m_background->modX() + " " + m_background->modY();
else if ((*m_background)->type() & FbTk::Texture::SOLID && color_valid)
cmd += "-solid '" + m_background->colorString() + "' ";
else if ((*m_background)->type() & FbTk::Texture::GRADIENT) {
// remove whitespace from the options, since fbsetroot doesn't care
// and dealing with sh and fbsetbg is impossible if we don't
std::string options = m_background->options();
options = FbTk::StringUtil::replaceString(options, " ", "");
options = FbTk::StringUtil::replaceString(options, "\t", "");
cmd += "-gradient " + options;
}
}
// call command with options
FbCommands::ExecuteCmd exec(cmd, screenNum());
m_first = false;
exec.execute();
}
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