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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 ";
// 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();
}
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