Fix compilation warnings with --enable-more-warnings.
[lxde/lxappearance.git] / src / utils.c
index 5596ea7..bd13ab7 100644 (file)
  */
 
 #include "utils.h"
+#include "lxappearance.h"
+#include <glib/gi18n.h>
+#include <sys/types.h>
+#include <signal.h>
+#include <sys/wait.h>
+#include <stdlib.h>
+#include <glib/gstdio.h>
 
+#include "icon-theme.h"
+
+static void on_pid_exit(GPid pid, gint status, gpointer user_data)
+{
+    GtkDialog* dlg = GTK_DIALOG(user_data);
+    gtk_dialog_response(dlg, GTK_RESPONSE_OK);
+    g_debug("pid exit");
+}
+
+static void on_progress_dlg_response(GtkDialog* dlg, int res, gpointer user_data)
+{
+    if(res != GTK_RESPONSE_OK)
+    {
+        GPid* ppid = (GPid*)user_data;
+        int status;
+        kill(*ppid, SIGTERM);
+        waitpid(*ppid, &status, WNOHANG);
+    }
+}
+
+static gboolean on_progress_timeout(GtkProgressBar* progress)
+{
+    gtk_progress_bar_pulse(progress);
+    return TRUE;
+}
+
+gboolean show_progress_for_pid(GtkWindow* parent, const char* title, const char* msg, GPid pid)
+{
+    gint res;
+    GtkWidget* dlg = gtk_dialog_new_with_buttons(title, parent,
+#if GTK_CHECK_VERSION(3, 0, 0)
+                            GTK_DIALOG_MODAL,
+#else
+                            GTK_DIALOG_NO_SEPARATOR|GTK_DIALOG_MODAL,
+#endif
+                            GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, NULL);
+    GtkWidget* progress = gtk_progress_bar_new();
+    GtkWidget* vbox = gtk_dialog_get_content_area(GTK_DIALOG(dlg));
+    GtkWidget* label = gtk_label_new(msg);
+
+    guint child_watch = g_child_watch_add(pid, on_pid_exit, dlg);
+    guint timeout = g_timeout_add(300, (GSourceFunc)on_progress_timeout, progress);
+
+    gtk_window_set_default_size(GTK_WINDOW(dlg), 240, -1);
+    gtk_box_set_spacing(GTK_BOX(vbox), 6);
+    gtk_widget_show(label);
+    gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, TRUE, 0);
+    gtk_widget_show(progress);
+    gtk_box_pack_start(GTK_BOX(vbox), progress, FALSE, TRUE, 0);
+    gtk_progress_bar_pulse(GTK_PROGRESS_BAR(progress));
+    g_signal_connect(dlg, "response", G_CALLBACK(on_progress_dlg_response), &pid);
+
+    res = gtk_dialog_run(GTK_DIALOG(dlg));
+
+    g_source_remove(child_watch);
+    g_source_remove(timeout);
+    gtk_widget_destroy(dlg);
+
+    return (res == GTK_RESPONSE_OK);
+}
+
+static void insert_theme_to_models(IconTheme* theme)
+{
+    int icon_theme_pos = 0;
+    int cursor_theme_pos = 0;
+    GSList* l;
+    GtkTreeIter it;
+
+    for(l = app.icon_themes; l; l=l->next)
+    {
+        IconTheme* theme2 = (IconTheme*)l->data;
+        if(l->data == theme)
+            break;
+        if(theme2->has_icon)
+            ++icon_theme_pos;
+        if(theme2->has_cursor)
+            ++cursor_theme_pos;
+    }
+    if(theme->has_icon)
+        gtk_list_store_insert_with_values(app.icon_theme_store, &it, icon_theme_pos, 0, theme->disp_name, 1, theme, -1);
+
+    if(theme->has_cursor)
+        gtk_list_store_insert_with_values(app.cursor_theme_store, &it, cursor_theme_pos, 0, theme->disp_name, 1, theme, -1);
+}
+
+static gboolean install_icon_theme_package(const char* package_path)
+{
+    GPid pid = -1;
+    const char* user_icons_dir = icon_theme_dirs[0];
+    char* tmp_dir = g_build_filename(user_icons_dir, "tmp.XXXXXX", NULL);
+    const char* argv[]= {
+        "tar",
+        NULL,
+        "-C",
+        tmp_dir,
+        "-xf",
+        (char*)package_path,
+        NULL
+    };
+
+    if(g_mkdir_with_parents(user_icons_dir, 0700) == -1)
+        return FALSE;
+
+    if(!mkdtemp(tmp_dir))
+        return FALSE;
+
+    if(g_str_has_suffix(package_path, ".tar.gz"))
+        argv[1] = "--gzip";
+    else if(g_str_has_suffix(package_path, ".tar.bz2"))
+        argv[1] = "--bzip2";
+    else /* the file format is not supported */
+        goto _out;
+
+    char* cmd = g_strjoinv(" ", (char**)argv);
+    g_debug("extract: %s", cmd);
+    g_free(cmd);
+
+    if(g_spawn_async(NULL, (char**)argv, NULL, G_SPAWN_SEARCH_PATH|G_SPAWN_DO_NOT_REAP_CHILD, NULL, NULL, &pid, NULL))
+    {
+        g_debug("pid = %d", pid);
+        /* show progress UI for this pid */
+        if(show_progress_for_pid(GTK_WINDOW(app.dlg), "Install themes", "Installing...", pid))
+        {
+            /* move files in tmp_dir to user_icons_dir */
+            GDir* dir;
+            GKeyFile* kf = g_key_file_new();
+
+            /* convert the themes in the dir to IconTheme structs and add them to app.icon_themes list */
+            load_icon_themes_from_dir(user_icons_dir, tmp_dir, kf);
+            g_key_file_free(kf);
+
+            /* now really move this themes to ~/.icons dir and also update the GUI */
+            dir = g_dir_open(tmp_dir, 0, NULL);
+            if(dir)
+            {
+                const char* name;
+                while((name = g_dir_read_name(dir)) != NULL)
+                {
+                    char* index_theme = g_build_filename(tmp_dir, name, "index.theme", NULL);
+                    gboolean is_theme = g_file_test(index_theme, G_FILE_TEST_EXISTS);
+                    g_free(index_theme);
+                    if(is_theme)
+                    {
+                        char* theme_tmp = g_build_filename(tmp_dir, name, NULL);
+                        char* theme_target = g_build_filename(user_icons_dir, name, NULL);
+                        if(g_rename(theme_tmp, theme_target) == 0)
+                        {
+                            /* the theme is already installed to ~/.icons */
+                            GSList* l= g_slist_find_custom(app.icon_themes, name, (GCompareFunc)icon_theme_cmp_name);
+                            if(l)
+                            {
+                                IconTheme* theme = (IconTheme*)l->data;
+                                g_debug("installed theme: %p, %s", theme, theme->name);
+                                /* update UI */
+                                insert_theme_to_models(theme);
+                            }
+                        }
+                        else
+                        {
+                            /* errors happened */
+                        }
+                        g_free(theme_target);
+                        g_free(theme_tmp);
+                    }
+                }
+                g_dir_close(dir);
+
+                /* remove remaining files. FIXME: will this cause problems? */
+                cmd = g_strdup_printf("rm -rf '%s'", tmp_dir);
+                g_spawn_command_line_sync(cmd, NULL, NULL, NULL, NULL);
+                g_free(cmd);
+            }
+        }
+    }
+
+_out:
+    g_free(tmp_dir);
+    return (pid != -1);
+}
+
+gboolean install_icon_theme(GtkWindow* parent)
+{
+    GtkFileFilter* filter = gtk_file_filter_new();
+    char* file = NULL;
+    int res;
+    GtkWidget* fc = gtk_file_chooser_dialog_new( _("Select an icon theme"), NULL,
+                                        GTK_FILE_CHOOSER_ACTION_OPEN,
+                                        GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
+                                        GTK_STOCK_OPEN, GTK_RESPONSE_OK, NULL );
+    gtk_window_set_transient_for(GTK_WINDOW(fc), GTK_WINDOW(app.dlg));
+    gtk_file_filter_add_pattern( filter, "*.tar.gz" );
+    gtk_file_filter_add_pattern( filter, "*.tar.bz2" );
+    gtk_file_filter_set_name( filter, _("*.tar.gz, *.tar.bz2 (Icon Theme)") );
+
+    gtk_file_chooser_add_filter( GTK_FILE_CHOOSER(fc), filter );
+    gtk_file_chooser_set_filter( GTK_FILE_CHOOSER(fc), filter );
+
+    res = gtk_dialog_run( (GtkDialog*)fc );
+    file = gtk_file_chooser_get_filename( GTK_FILE_CHOOSER(fc) );
+    gtk_widget_destroy( fc );
+
+    if( res == GTK_RESPONSE_OK )
+        install_icon_theme_package(file);
+
+    g_free(file);
+    return TRUE;
+}
+
+gboolean remove_icon_theme(GtkWindow* parent, IconTheme* theme)
+{
+    gboolean ret = TRUE;
+    char* dir = g_build_filename(theme->base_dir, theme->name, NULL);
+    char* tmp_dir = g_build_filename(theme->base_dir, "tmp.XXXXXX", NULL);
+g_debug("tmp_dir = %s", tmp_dir);
+    /* move the theme to a tmp dir first. so we can make the
+     * removal atomic. */
+    if(mkdtemp(tmp_dir))
+    {
+        char* tmp_dest = g_build_filename(tmp_dir, theme->name, NULL);
+        if(g_rename(dir, tmp_dest) == 0)
+        {
+            const char* argv[] = {
+                "rm",
+                "-rf",
+                tmp_dir,
+                NULL
+            };
+            GPid pid;
+            if(g_spawn_async(NULL, (char**)argv, NULL, G_SPAWN_SEARCH_PATH|G_SPAWN_DO_NOT_REAP_CHILD, NULL, NULL, &pid, NULL))
+            {
+                ret = show_progress_for_pid(GTK_WINDOW(app.dlg), "Remove icon theme", "Removing...", pid);
+            }
+        }
+        g_free(tmp_dest);
+    }
+    else
+        ret = FALSE;
+
+    g_free(dir);
+    return ret;
+}