src/preview_update.c

   1 #include "preview_update.h"
   2 #include "main.h"
   3
   4 static gboolean restart_theme_preview_update = TRUE;
   5
   6 static GtkTreeView  *tree_view            = NULL;
   7 static GtkListStore *list_store           = NULL;
   8 static gchar        *title_layout         = NULL;
   9 static RrFont       *active_window_font   = NULL;
  10 static RrFont       *inactive_window_font = NULL;
  11 static RrFont       *menu_title_font      = NULL;
  12 static RrFont       *menu_item_font       = NULL;
  13 static RrFont       *osd_active_font      = NULL;
  14 static RrFont       *osd_inactive_font    = NULL;
  15
  16 static gboolean update_theme_preview_iterate(gpointer data);
  17
  18 void preview_update_all()
  19 {
  20     if (!list_store) return;
  21     if (!RR_CHECK_VERSION(3,5,0)) return;
  22
  23     g_idle_remove_by_data(list_store);
  24
  25     if (!(title_layout && active_window_font && inactive_window_font &&
  26           menu_title_font && menu_item_font &&
  27           osd_active_font && osd_inactive_font))
  28         return; /* not set up */
  29
  30     restart_theme_preview_update = TRUE;
  31     g_idle_add_full(G_PRIORITY_LOW,
  32                     update_theme_preview_iterate,
  33                     list_store, NULL);
  34 }
  35
  36 void preview_update_set_tree_view(GtkTreeView *tr, GtkListStore *ls)
  37 {
  38     g_assert(!!tr == !!ls);
  39
  40     if (list_store) g_idle_remove_by_data(list_store);
  41
  42     tree_view = tr;
  43     list_store = ls;
  44
  45     if (list_store) preview_update_all();
  46 }
  47
  48 void preview_update_set_active_font(RrFont *f)
  49 {
  50     RrFontClose(active_window_font);
  51     active_window_font = f;
  52     preview_update_all();
  53 }
  54
  55 void preview_update_set_inactive_font(RrFont *f)
  56 {
  57     RrFontClose(inactive_window_font);
  58     inactive_window_font = f;
  59     preview_update_all();
  60 }
  61
  62 void preview_update_set_menu_header_font(RrFont *f)
  63 {
  64     RrFontClose(menu_title_font);
  65     menu_title_font = f;
  66     preview_update_all();
  67 }
  68
  69 void preview_update_set_menu_item_font(RrFont *f)
  70 {
  71     RrFontClose(menu_item_font);
  72     menu_item_font = f;
  73     preview_update_all();
  74 }
  75
  76 void preview_update_set_osd_active_font(RrFont *f)
  77 {
  78     RrFontClose(osd_active_font);
  79     osd_active_font = f;
  80     preview_update_all();
  81 }
  82
  83 void preview_update_set_osd_inactive_font(RrFont *f)
  84 {
  85     RrFontClose(osd_inactive_font);
  86     osd_inactive_font = f;
  87     preview_update_all();
  88 }
  89
  90 void preview_update_set_title_layout(const gchar *layout)
  91 {
  92     g_free(title_layout);
  93     title_layout = g_strdup(layout);
  94     preview_update_all();
  95 }
  96
  97 static gboolean update_theme_preview_iterate(gpointer data)
  98 {
  99     GtkListStore *ls = data;
 100     static GtkTreeIter iter;
 101     gchar *name;
 102
 103     if (restart_theme_preview_update) {
 104         /* get the first iterator position if there is such a thing */
 105         if (!gtk_tree_model_get_iter_first(GTK_TREE_MODEL(ls), &iter)) {
 106             /* nothing to show */
 107             obconf_show_main();
 108             return FALSE;
 109         }
 110         restart_theme_preview_update = FALSE;
 111     } else {
 112         /* get the next iterator position if there is such a thing */
 113         if (!gtk_tree_model_iter_next(GTK_TREE_MODEL(ls), &iter)) {
 114             GtkTreePath *path;
 115
 116             restart_theme_preview_update = TRUE;
 117
 118             gtk_tree_view_get_cursor(tree_view, &path, NULL);
 119             if (path) {
 120                 gtk_tree_view_scroll_to_cell(tree_view, path, NULL,
 121                                              FALSE, 0, 0);
 122                 gtk_tree_path_free(path);
 123             }
 124
 125             obconf_show_main();
 126
 127             return FALSE;
 128         }
 129     }
 130
 131     gtk_tree_model_get(GTK_TREE_MODEL(ls), &iter, 0, &name, -1);
 132
 133     gtk_list_store_set(GTK_LIST_STORE(ls), &iter, 1,
 134                        preview_theme(name, title_layout, active_window_font,
 135                                      inactive_window_font, menu_title_font,
 136                                      menu_item_font, osd_active_font,
 137                                      osd_inactive_font),
 138                        -1);
 139
 140     return TRUE;
 141 }