src/preview_update.c

   1 #include "preview_update.h"
   2 #include "preview.h"
   3 #include "main.h"
   4
   5 static gboolean restart_theme_preview_update = TRUE;
   6
   7 static GtkTreeView  *tree_view            = NULL;
   8 static GtkListStore *list_store           = NULL;
   9 static gchar        *title_layout         = NULL;
  10 static RrFont       *active_window_font   = NULL;
  11 static RrFont       *inactive_window_font = NULL;
  12 static RrFont       *menu_title_font      = NULL;
  13 static RrFont       *menu_item_font       = NULL;
  14 static RrFont       *osd_active_font      = NULL;
  15 static RrFont       *osd_inactive_font    = NULL;
  16
  17 static gboolean update_theme_preview_iterate(gpointer data);
  18
  19 void preview_update_all()
  20 {
  21     if (!list_store) return;
  22     if (!RR_CHECK_VERSION(3,5,0)) return;
  23
  24     g_idle_remove_by_data(list_store);
  25
  26     if (!(title_layout && active_window_font && inactive_window_font &&
  27           menu_title_font && menu_item_font &&
  28           osd_active_font && osd_inactive_font))
  29         return; /* not set up */
  30
  31     restart_theme_preview_update = TRUE;
  32     g_idle_add_full(G_PRIORITY_LOW,
  33                     update_theme_preview_iterate,
  34                     list_store, NULL);
  35 }
  36
  37 void preview_update_set_tree_view(GtkTreeView *tr, GtkListStore *ls)
  38 {
  39     g_assert(!!tr == !!ls);
  40
  41     if (list_store) g_idle_remove_by_data(list_store);
  42
  43     tree_view = tr;
  44     list_store = ls;
  45
  46     if (list_store) preview_update_all();
  47 }
  48
  49 void preview_update_set_active_font(RrFont *f)
  50 {
  51     RrFontClose(active_window_font);
  52     active_window_font = f;
  53     preview_update_all();
  54 }
  55
  56 void preview_update_set_inactive_font(RrFont *f)
  57 {
  58     RrFontClose(inactive_window_font);
  59     inactive_window_font = f;
  60     preview_update_all();
  61 }
  62
  63 void preview_update_set_menu_header_font(RrFont *f)
  64 {
  65     RrFontClose(menu_title_font);
  66     menu_title_font = f;
  67     preview_update_all();
  68 }
  69
  70 void preview_update_set_menu_item_font(RrFont *f)
  71 {
  72     RrFontClose(menu_item_font);
  73     menu_item_font = f;
  74     preview_update_all();
  75 }
  76
  77 void preview_update_set_osd_active_font(RrFont *f)
  78 {
  79     RrFontClose(osd_active_font);
  80     osd_active_font = f;
  81     preview_update_all();
  82 }
  83
  84 void preview_update_set_osd_inactive_font(RrFont *f)
  85 {
  86     RrFontClose(osd_inactive_font);
  87     osd_inactive_font = f;
  88     preview_update_all();
  89 }
  90
  91 void preview_update_set_title_layout(const gchar *layout)
  92 {
  93     g_free(title_layout);
  94     title_layout = g_strdup(layout);
  95     preview_update_all();
  96 }
  97
  98 static gboolean update_theme_preview_iterate(gpointer data)
  99 {
 100     GtkListStore *ls = data;
 101     GdkPixbuf *preview;
 102     static GtkTreeIter iter;
 103     gchar *name;
 104
 105     if (restart_theme_preview_update) {
 106         /* get the first iterator position if there is such a thing */
 107         if (!gtk_tree_model_get_iter_first(GTK_TREE_MODEL(ls), &iter)) {
 108             /* nothing to show */
 109             obconf_show_main();
 110             return FALSE;
 111         }
 112         restart_theme_preview_update = FALSE;
 113     } else {
 114         /* get the next iterator position if there is such a thing */
 115         if (!gtk_tree_model_iter_next(GTK_TREE_MODEL(ls), &iter)) {
 116             GtkTreePath *path;
 117
 118             restart_theme_preview_update = TRUE;
 119
 120             gtk_tree_view_get_cursor(tree_view, &path, NULL);
 121             if (path) {
 122                 gtk_tree_view_scroll_to_cell(tree_view, path, NULL,
 123                                              FALSE, 0, 0);
 124                 gtk_tree_path_free(path);
 125             }
 126
 127             obconf_show_main();
 128
 129             return FALSE;
 130         }
 131     }
 132
 133     gtk_tree_model_get(GTK_TREE_MODEL(ls), &iter, 0, &name, -1);
 134
 135     preview = preview_theme(name, title_layout, active_window_font,
 136                             inactive_window_font, menu_title_font,
 137                             menu_item_font, osd_active_font,
 138                             osd_inactive_font);
 139     if (preview)
 140         gtk_list_store_set(GTK_LIST_STORE(ls), &iter, 1, preview, -1);
 141
 142     return TRUE;
 143 }