- Get VPATH build to work
[rodin/chimara.git] / libchimara / style.c
index 034dfd52f22c49a004da09758e54f26da2b5b89f..4a6b5119a52da9e04ca57244730c128a564e53a8 100644 (file)
@@ -9,7 +9,7 @@ static gboolean style_accept_style_selector(GScanner *scanner);
 static gboolean style_accept_style_hint(GScanner *scanner, GtkTextTag *current_tag);
 static void style_add_tag_to_textbuffer(gpointer key, gpointer tag, gpointer tag_table);
 static void style_table_copy(gpointer key, gpointer tag, gpointer target_table);
-static GtkTextTag* gtk_text_tag_copy(GtkTextTag *tag);
+GtkTextTag* gtk_text_tag_copy(GtkTextTag *tag);
 
 /**
  * glk_set_style:
@@ -123,7 +123,7 @@ style_table_copy(gpointer key, gpointer tag, gpointer target_table)
 }
 
 /* Internal function that copies a text tag */
-static GtkTextTag*
+GtkTextTag*
 gtk_text_tag_copy(GtkTextTag *tag)
 {
        GtkTextTag *copy;
@@ -157,8 +157,11 @@ gtk_text_tag_copy(GtkTextTag *tag)
                _COPY_FLAG (language_set);
        #undef _COPY_FLAG
 
-       /* Copy the reverse_color attribute, that was added manually */
-       g_object_set_data( G_OBJECT(copy), "reverse_color", g_object_get_data(G_OBJECT(tag), "reverse_color") );
+       /* Copy the data that was added manually */
+       gpointer reverse_color = g_object_get_data( G_OBJECT(tag), "reverse_color" );
+
+       if(reverse_color)
+               g_object_set_data( G_OBJECT(copy), "reverse_color", reverse_color );
 
        return copy;
 }
@@ -168,25 +171,12 @@ void
 style_init()
 {
        ChimaraGlkPrivate *glk_data = g_private_get(glk_data_key);
-       GHashTable *default_text_grid_styles = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_object_unref);
-       GHashTable *default_text_buffer_styles = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_object_unref);
-       GHashTable *current_text_grid_styles = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_object_unref);
-       GHashTable *current_text_buffer_styles = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_object_unref);
+       GHashTable *default_text_grid_styles = g_hash_table_new_full(g_str_hash, g_str_equal, NULL, g_object_unref);
+       GHashTable *default_text_buffer_styles = g_hash_table_new_full(g_str_hash, g_str_equal, NULL, g_object_unref);
+       GHashTable *current_text_grid_styles = g_hash_table_new_full(g_str_hash, g_str_equal, NULL, g_object_unref);
+       GHashTable *current_text_buffer_styles = g_hash_table_new_full(g_str_hash, g_str_equal, NULL, g_object_unref);
        GtkTextTag *tag;
 
-       /* Create the CSS file scanner */
-       GScanner *scanner = g_scanner_new(NULL);
-
-       int f = open(glk_data->css_file, O_RDONLY);
-       g_return_if_fail(f != -1);
-       g_scanner_input_file(scanner, f);
-       scanner->input_name = glk_data->css_file;
-       scanner->config->cset_identifier_first = G_CSET_a_2_z G_CSET_A_2_Z "#";
-       scanner->config->cset_identifier_nth = G_CSET_a_2_z G_CSET_A_2_Z "-_" G_CSET_DIGITS;
-       scanner->config->symbol_2_token = TRUE;
-       scanner->config->cpair_comment_single = NULL;
-       scanner->config->scan_float = FALSE;
-
        /* Initialise the default styles for a text grid */
        tag = gtk_text_tag_new("normal");
        g_object_set(tag, "font-desc", glk_data->monospace_font_desc, NULL);
@@ -217,13 +207,17 @@ style_init()
        g_hash_table_insert(default_text_grid_styles, "note", tag);
 
        tag = gtk_text_tag_new("block-quote");
-       g_object_set(tag, "style", PANGO_STYLE_ITALIC, NULL);
+       g_object_set(tag, "style", PANGO_STYLE_ITALIC, "style-set", TRUE, NULL);
        g_hash_table_insert(default_text_grid_styles, "block-quote", tag);
 
        g_hash_table_insert(default_text_grid_styles, "input", gtk_text_tag_new("input"));
        g_hash_table_insert(default_text_grid_styles, "user1", gtk_text_tag_new("user1"));
        g_hash_table_insert(default_text_grid_styles, "user2", gtk_text_tag_new("user2"));
 
+       tag = gtk_text_tag_new("hyperlink");
+       g_object_set(tag, "foreground", "#0000ff", "underline", PANGO_UNDERLINE_SINGLE, "underline-set", TRUE, NULL);
+       g_hash_table_insert(default_text_grid_styles, "hyperlink", tag);
+
        /* Tags for the textbuffer */
        tag = gtk_text_tag_new("normal");
        g_object_set(tag, "font-desc", glk_data->default_font_desc, NULL);
@@ -254,21 +248,44 @@ style_init()
        g_hash_table_insert(default_text_buffer_styles, "note", tag);
 
        tag = gtk_text_tag_new("block-quote");
-       g_object_set(tag, "justification", GTK_JUSTIFY_CENTER, "style", PANGO_STYLE_ITALIC, NULL);
+       g_object_set(tag, "justification", GTK_JUSTIFY_CENTER, "style", PANGO_STYLE_ITALIC, "style-set", TRUE, NULL);
        g_hash_table_insert(default_text_buffer_styles, "block-quote", tag);
 
        g_hash_table_insert(default_text_buffer_styles, "input", gtk_text_tag_new("input"));
        g_hash_table_insert(default_text_buffer_styles, "user1", gtk_text_tag_new("user1"));
        g_hash_table_insert(default_text_buffer_styles, "user2", gtk_text_tag_new("user2"));
 
+       tag = gtk_text_tag_new("hyperlink");
+       g_object_set(tag, "foreground", "#0000ff", "underline", PANGO_UNDERLINE_SINGLE, "underline-set", TRUE, NULL);
+       g_hash_table_insert(default_text_buffer_styles, "hyperlink", tag);
+
        glk_data->default_styles->text_grid = default_text_grid_styles;
        glk_data->default_styles->text_buffer = default_text_buffer_styles;
 
-       /* Run the scanner over the CSS file, overriding defaults */
-       while( g_scanner_peek_next_token(scanner) != G_TOKEN_EOF) {
-               if( !style_accept_style_selector(scanner) )
-                       break;
+       /* Create the CSS file scanner */
+       GScanner *scanner = g_scanner_new(NULL);
+
+       int f = open(glk_data->css_file, O_RDONLY);
+       if(f != -1)
+       {
+               g_scanner_input_file(scanner, f);
+               scanner->input_name = glk_data->css_file;
+               scanner->config->cset_identifier_first = G_CSET_a_2_z G_CSET_A_2_Z "#";
+               scanner->config->cset_identifier_nth = G_CSET_a_2_z G_CSET_A_2_Z "-_" G_CSET_DIGITS;
+               scanner->config->symbol_2_token = TRUE;
+               scanner->config->cpair_comment_single = NULL;
+               scanner->config->scan_float = FALSE;
+
+               /* Run the scanner over the CSS file, overriding defaults */
+               while( g_scanner_peek_next_token(scanner) != G_TOKEN_EOF) {
+                       if( !style_accept_style_selector(scanner) )
+                               break;
+               }
+
+               g_scanner_destroy(scanner);
        }
+       else
+               g_warning("Could not find CSS file");
 
        /* Set the current style to a copy of the default style */
        g_hash_table_foreach(default_text_grid_styles, style_table_copy, current_text_grid_styles);
@@ -276,8 +293,6 @@ style_init()
        glk_data->current_styles->text_grid = current_text_grid_styles;
        glk_data->current_styles->text_buffer = current_text_buffer_styles;
 
-       g_scanner_destroy(scanner);
-
        glk_data->style_initialized = TRUE;
 }
 
@@ -826,12 +841,16 @@ get_current_font(guint32 wintype)
        ChimaraGlkPrivate *glk_data = g_private_get(glk_data_key);
        GtkTextTag *normal;
 
+       if( G_UNLIKELY(!glk_data->style_initialized) ) {
+               style_init();
+       }
+
        switch(wintype) {
        case wintype_TextGrid:
-               normal = g_hash_table_lookup(glk_data->default_styles->text_grid, "normal");
+               normal = g_hash_table_lookup(glk_data->current_styles->text_grid, "normal");
                break;
        case wintype_TextBuffer:
-               normal = g_hash_table_lookup(glk_data->default_styles->text_buffer, "normal");
+               normal = g_hash_table_lookup(glk_data->current_styles->text_buffer, "normal");
                break;
        default:
                return NULL;