mirror of
https://github.com/edeproject/ede.git
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142 lines
3.8 KiB
C++
142 lines
3.8 KiB
C++
/*
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* $Id$
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*
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* edelib::Icon - General icon library with support for Icon themes
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* Part of Equinox Desktop Environment (EDE).
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* Copyright (c) 2000-2006 EDE Authors.
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*
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* This program is licenced under terms of the
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* GNU General Public Licence version 2 or newer.
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* See COPYING for details.
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*/
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#include <dirent.h>
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#include <sys/stat.h>
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#include <fltk/Group.h>
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#include <fltk/filename.h>
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#include "Icon.h"
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#include "Config.h"
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#include "../edeconf.h"
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using namespace fltk;
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using namespace edelib;
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// FIXME: use an EDE internal default theme
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const char* Icon::iconspath = PREFIX"/share/icons";
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const char* Icon::defaulttheme = "crystalsvg";
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char* Icon::theme = 0;
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// Read configuration to detect currently active theme
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void Icon::read_theme_config()
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{
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char temp_value[PATH_MAX];
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if (theme) free(theme);
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Config cfg(find_config_file("ede.conf", 0));
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cfg.set_section("Icons");
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if (!cfg.read("IconTheme", temp_value, 0, sizeof(temp_value)))
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theme = strdup(temp_value);
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if (!theme || strlen(theme)<2)
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theme = strdup(defaulttheme);
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}
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// Change theme in configuration
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void Icon::set_theme(const char *t)
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{
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if (theme) free(theme);
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theme = strdup(t);
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Config cfg(find_config_file("ede.conf", true));
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cfg.set_section("Icons");
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cfg.write("IconTheme", theme);
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}
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// Search theme directory for icon file of given name
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// Icon names are unique, regardless of subdirectories. The
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// "actions", "apps", "devices" etc. are just an idea that
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// never lived. So we simply flatten the KDE directory
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// structure.
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// Alternatively, if there are different icons in subdirs with
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// same name, you can provide e.g. subdir/filename and it will
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// work.
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const char *find_icon(const char *name, const char *directory)
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{
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dirent **files;
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static char filename[PATH_MAX];
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snprintf (filename, PATH_MAX, "%s/%s", directory, name);
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if (filename_exist(filename)) return filename;
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snprintf (filename, PATH_MAX, "%s/%s.png", directory, name);
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if (filename_exist(filename)) return filename;
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snprintf (filename, PATH_MAX, "%s/%s.xpm", directory, name);
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if (filename_exist(filename)) return filename;
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// Look in subdirectories
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const int num_files = filename_list(directory, &files);
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char dirname[PATH_MAX];
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for (int i=0; i<num_files; i++) {
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if ((strcmp(files[i]->d_name,"./") == 0) || strcmp(files[i]->d_name,"../") == 0) continue;
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snprintf (dirname, PATH_MAX, "%s/%s", directory, files[i]->d_name);
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if (filename_isdir(dirname)) {
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// Cut last slash
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if (dirname[strlen(dirname)-1] == '/')
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dirname[strlen(dirname)-1] = '\0';
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const char *tmp = find_icon(name, dirname);
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if (tmp) return tmp;
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}
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}
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// Not found
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return 0;
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}
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// Create icon with given "standard" name
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Icon* Icon::get(const char *name, int size)
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{
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char directory[PATH_MAX];
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// FIXME: rescale icon from other sizes
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if (size!=TINY && size!=SMALL && size!=MEDIUM && size!=LARGE && size!=HUGE)
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{
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fprintf (stderr, "Edelib: ERROR: We don't support icon size %d... using %dx%d\n", size, MEDIUM, MEDIUM);
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size=MEDIUM;
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}
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snprintf (directory, PATH_MAX, "%s/%s/%dx%d", iconspath, get_theme(), size, size);
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const char *icon = find_icon(name, directory);
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if (!icon) // Fallback to icon from default theme, if not found
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{
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snprintf (directory, sizeof(directory), "%s/%s/%dx%d", iconspath, defaulttheme, size, size);
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icon = find_icon(name, directory);
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}
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if (!icon && size!=TINY) // No default icon in this size
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{
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snprintf (directory, sizeof(directory), "%s/%s/%dx%d", iconspath, defaulttheme, TINY, TINY);
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icon = find_icon(name, directory);
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// TODO: scale icon from tiny to requested size
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}
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if (!icon)
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return 0; // sorry
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else
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{
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//fprintf(stderr,"Ikona: %s\n",icon);
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Icon* i = (Icon*)pngImage::get(icon);
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// free(icon); // no need to free icon
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//i->transp_index(255);
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//fprintf (stderr, "Name: %s Transp_index: %d Pixel type: %d\n", name, i->transp_index(), i->pixel_type());
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return i;
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}
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}
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