Importing EDE2 code to svn... NOTE: It doesn't compile! Stuff thats broken: edewm, eworkpanel, eiconman,

emenueditor

edelib2/Icon.cpp

@@ -0,0 +1,165 @@
+/*
+ * $Id$
+ *
+ * edelib::Icon - General icon library with support for Icon themes
+ * Part of Equinox Desktop Environment (EDE).
+ * Copyright (c) 2000-2006 EDE Authors.
+ *
+ * This program is licenced under terms of the
+ * GNU General Public Licence version 2 or newer.
+ * See COPYING for details.
+ */
+
+#include <dirent.h>
+#include <sys/stat.h> 
+#include <fltk/Group.h>
+ 
+#include "Icon.h"
+#include "Config.h"
+#include "../edeconf.h"
+
+using namespace fltk;
+using namespace edelib;
+
+// FIXME: use an EDE internal default theme
+const char* Icon::iconspath = PREFIX"/share/icons";
+const char* Icon::defaulttheme = "crystalsvg";
+char* Icon::theme = 0;
+
+
+
+// Read configuration to detect currently active theme
+void Icon::read_theme_config() 
+{
+	char temp_value[PATH_MAX];
+	if (theme) free(theme);
+	
+	Config cfg(find_config_file("ede.conf", 0));
+	cfg.set_section("Icons");
+	if (!cfg.read("IconTheme", temp_value, 0, sizeof(temp_value)))
+		theme = strdup(temp_value);
+
+	if (!theme || strlen(theme)<2)
+		theme = strdup(defaulttheme);
+}
+
+
+// Change theme in configuration
+void Icon::set_theme(const char *t) 
+{
+	if (theme) free(theme);
+	theme = strdup(t);
+
+	Config cfg(find_config_file("ede.conf", true));
+	cfg.set_section("Icons");
+	cfg.write("IconTheme", theme);
+}
+
+
+
+// Search theme directory for icon file of given name
+
+// Icon names are unique, regardless of subdirectories. The
+// "actions", "apps", "devices" etc. are just an idea that 
+// never lived. So we simply flatten the KDE directory
+// structure.
+
+// TODO: add support for xpm, use functions from fltk/filename.h
+
+char *find_icon(const char *name, const char *directory) 
+{
+	DIR *my_dir; 
+	struct dirent *my_dirent;
+	char filename[PATH_MAX];
+	
+	// Buffer for stat()
+	struct stat *buf = (struct stat*)malloc(sizeof(struct stat));
+
+	if (!(my_dir = opendir(directory))) 
+	{
+		// Directory doesn't exist!
+		fprintf (stderr, "Edelib: ERROR: Theme %s is no more on disk :(\n", directory);
+		free(buf);
+		return 0;
+	}
+	while ((my_dirent = readdir(my_dir)) != NULL) 
+	{
+		// filename is a fully qualified path
+		snprintf (filename, sizeof(filename), "%s/%s", directory, my_dirent->d_name);
+
+		// strip .png part
+		char *work = strdup(my_dirent->d_name);
+		char *d = strrchr(work,'.');
+		if (d && (strcmp(d, ".png") == 0))
+		{
+			*d = '\0';
+			if (strcmp(work, name)==0) 
+			{
+				//free(work); // this cause stack corruption sometimes!!
+				closedir(my_dir);
+				free(buf);
+				return strdup(filename); // found!
+			}
+		}
+		//free(work); // this cause stack corruption sometimes!!
+		// FIXME
+
+		// Let's try subdirectories
+		stat (filename, buf);
+		if (strcmp(my_dirent->d_name,".")!=0 && strcmp(my_dirent->d_name,"..")!=0 && S_ISDIR(buf->st_mode)) 
+		{
+			// filename is a directory, look inside:
+			char *tmp = find_icon(name, filename);
+			if (tmp) { // found
+				closedir(my_dir);
+				free(buf);
+				return tmp;
+			}
+		}
+	}
+	closedir(my_dir);
+	free(buf);
+
+	// not found
+	return 0;
+}
+
+// Create icon with given "standard" name
+Icon* Icon::get(const char *name, int size) 
+{
+	char directory[PATH_MAX];
+	
+	// FIXME: rescale icon from other sizes
+	if (size!=TINY && size!=SMALL && size!=MEDIUM && size!=LARGE && size!=HUGE)
+	{
+		fprintf (stderr, "Edelib: ERROR: We don't support icon size %d... using %dx%d\n", size, MEDIUM, MEDIUM);
+		size=MEDIUM;
+	}
+
+	snprintf (directory, sizeof(directory), "%s/%s/%dx%d", iconspath, get_theme(), size, size);
+
+	char *icon = find_icon(name, directory);
+
+	if (!icon) // Fallback to icon from default theme, if not found
+	{
+		snprintf (directory, sizeof(directory), "%s/%s/%dx%d", iconspath, defaulttheme, size, size);
+		icon = find_icon(name, directory);
+	}
+	if (!icon && size!=TINY) // No default icon in this size
+	{
+		snprintf (directory, sizeof(directory), "%s/%s/%dx%d", iconspath, defaulttheme, TINY, TINY);
+		icon = find_icon(name, directory);
+		// TODO: scale icon from tiny to requested size
+	}
+	if (!icon)
+		return 0; // sorry
+	else
+	{
+		//fprintf(stderr,"Ikona: %s\n",icon);
+		Icon* i = (Icon*)pngImage::get(icon);
+		free(icon);
+		//i->transp_index(255);
+		//fprintf (stderr, "Name: %s Transp_index: %d Pixel type: %d\n", name, i->transp_index(), i->pixel_type());
+		return i;
+	}
+}