static gboolean style_accept_style_selector(GScanner *scanner, ChimaraGlk *glk);
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 void style_copy_tag_to_textbuffer(gpointer key, gpointer tag, gpointer target_table);
static void text_tag_to_attr_list(GtkTextTag *tag, PangoAttrList *list);
GtkTextTag* gtk_text_tag_copy(GtkTextTag *tag);
* @styl: The style to apply
*
* Changes the style of the current output stream. @styl should be one of the
- * <code>style_</code> constants listed above. However, any value is actually
- * legal; if the interpreter does not recognize the style value, it will treat
- * it as %style_Normal.
+ * <code>style_</code> constants. However, any value is actually legal; if the
+ * interpreter does not recognize the style value, it will treat it as
+ * %style_Normal.
* <note><para>
* This policy allows for the future definition of styles without breaking old
* Glk libraries.
glk_set_style_stream(glk_data->current_stream, styl);
}
+/* The first 11 tag names must correspond to the first 11 glk tag names as defined below */
static const gchar* TAG_NAMES[] = {
"normal",
"emphasized",
"block-quote",
"input",
"user1",
- "user2"
+ "user2",
+ "hyperlink",
+ "pager",
+ "default"
};
+/* The first 11 glk tag names must correspond to the first 11 tag names as defined above */
+static const gchar* GLK_TAG_NAMES[] = {
+ "glk-normal",
+ "glk-emphasized",
+ "glk-preformatted",
+ "glk-header",
+ "glk-subheader",
+ "glk-alert",
+ "glk-note",
+ "glk-block-quote",
+ "glk-input",
+ "glk-user1",
+ "glk-user2"
+};
+
+const gchar**
+style_get_tag_names()
+{
+ return TAG_NAMES;
+}
+
/* Internal function: mapping from style enum to tag name */
-static gchar*
+static const gchar*
get_tag_name(glui32 style)
{
- if(style >= style_NUMSTYLES) {
+ if(style >= CHIMARA_NUM_STYLES) {
WARNING("Unsupported style");
return "normal";
} else {
}
}
+/* Internal function: mapping from glk style enum to tag name */
+static const gchar*
+get_glk_tag_name(glui32 style)
+{
+ if(style >= style_NUMSTYLES) {
+ WARNING("Unsupported style");
+ return "normal";
+ } else {
+ return (gchar*) GLK_TAG_NAMES[style];
+ }
+}
+
/**
* glk_set_style_stream:
* @str: Output stream to change the style of
return;
flush_window_buffer(str->window);
- str->style = get_tag_name(styl);
+ str->style = (gchar*) get_tag_name(styl);
+ str->glk_style = (gchar*) get_glk_tag_name(styl);
}
/* Internal function: call this to initialize the layout of the 'more' prompt. */
ChimaraGlkPrivate *glk_data = g_private_get(glk_data_key);
- /* Copy the current text tags to the textbuffer's tag table */
- g_hash_table_foreach(glk_data->current_styles->text_buffer, style_add_tag_to_textbuffer, gtk_text_buffer_get_tag_table(buffer));
+ /* Place the default text tags in the textbuffer's tag table */
+ g_hash_table_foreach(glk_data->styles->text_buffer, style_add_tag_to_textbuffer, gtk_text_buffer_get_tag_table(buffer));
+
+ /* Copy the override text tags to the textbuffers's tag table */
+ g_hash_table_foreach(glk_data->glk_styles->text_buffer, style_copy_tag_to_textbuffer, gtk_text_buffer_get_tag_table(buffer));
}
ChimaraGlkPrivate *glk_data = g_private_get(glk_data_key);
- /* Copy the current text tags to the textgrid's tag table */
- g_hash_table_foreach(glk_data->current_styles->text_grid, style_add_tag_to_textbuffer, gtk_text_buffer_get_tag_table(buffer));
+ /* Place the default text tags in the textbuffer's tag table */
+ g_hash_table_foreach(glk_data->styles->text_grid, style_add_tag_to_textbuffer, gtk_text_buffer_get_tag_table(buffer));
+
+ /* Copy the current text tags to the textbuffers's tag table */
+ g_hash_table_foreach(glk_data->glk_styles->text_grid, style_copy_tag_to_textbuffer, gtk_text_buffer_get_tag_table(buffer));
}
/* Internal function used to iterate over the default text tag table, applying them to a textbuffer */
static void
style_add_tag_to_textbuffer(gpointer key, gpointer tag, gpointer tag_table)
{
- gtk_text_tag_table_add( tag_table, gtk_text_tag_copy(tag) );
+ g_return_if_fail(key != NULL);
+ g_return_if_fail(tag != NULL);
+ g_return_if_fail(tag_table != NULL);
+
+ gtk_text_tag_table_add(tag_table, tag);
}
/* Internal function used to iterate over a style table, copying it */
static void
-style_table_copy(gpointer key, gpointer tag, gpointer target_table)
+style_copy_tag_to_textbuffer(gpointer key, gpointer tag, gpointer target_table)
{
g_return_if_fail(key != NULL);
g_return_if_fail(tag != NULL);
g_return_if_fail(target_table != NULL);
- g_hash_table_insert(target_table, key, gtk_text_tag_copy( GTK_TEXT_TAG(tag) ));
+ gtk_text_tag_table_add(target_table, gtk_text_tag_copy( GTK_TEXT_TAG(tag) ));
}
/* Internal function that copies a text tag */
return copy;
}
-/* Internal function that reads the default styles from a CSS file */
+/* Internal function that constructs the default styles */
void
style_init(ChimaraGlk *glk)
{
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);
+ GHashTable *glk_text_grid_styles = g_hash_table_new_full(g_str_hash, g_str_equal, NULL, g_object_unref);
+ GHashTable *glk_text_buffer_styles = g_hash_table_new_full(g_str_hash, g_str_equal, NULL, g_object_unref);
GtkTextTag *tag;
PangoFontDescription *default_font_desc = pango_font_description_from_string("Serif");
PangoFontDescription *monospace_font_desc = pango_font_description_from_string("Monospace");
/* Initialise the default styles for a text grid */
- tag = gtk_text_tag_new("normal");
+ tag = gtk_text_tag_new("default");
g_object_set(tag, "font-desc", monospace_font_desc, NULL);
+ g_hash_table_insert(default_text_grid_styles, "default", tag);
+
+ tag = gtk_text_tag_new("normal");
+ //g_object_set(tag, "font-desc", monospace_font_desc, NULL);
g_hash_table_insert(default_text_grid_styles, "normal", tag);
tag = gtk_text_tag_new("emphasized");
+ //g_object_set(tag, "font-desc", monospace_font_desc, "style", PANGO_STYLE_ITALIC, "style-set", TRUE, NULL);
g_object_set(tag, "style", PANGO_STYLE_ITALIC, "style-set", TRUE, NULL);
g_hash_table_insert(default_text_grid_styles, "emphasized", tag);
g_hash_table_insert(default_text_grid_styles, "preformatted", tag);
tag = gtk_text_tag_new("header");
+ //g_object_set(tag, "font-desc", monospace_font_desc, "weight", PANGO_WEIGHT_BOLD, NULL);
g_object_set(tag, "weight", PANGO_WEIGHT_BOLD, NULL);
g_hash_table_insert(default_text_grid_styles, "header", tag);
tag = gtk_text_tag_new("subheader");
+ //g_object_set(tag, "font-desc", monospace_font_desc, "weight", PANGO_WEIGHT_BOLD, NULL);
g_object_set(tag, "weight", PANGO_WEIGHT_BOLD, NULL);
g_hash_table_insert(default_text_grid_styles, "subheader", tag);
tag = gtk_text_tag_new("alert");
+ //g_object_set(tag, "font-desc", monospace_font_desc, "foreground", "#aa0000", "weight", PANGO_WEIGHT_BOLD, NULL);
g_object_set(tag, "foreground", "#aa0000", "weight", PANGO_WEIGHT_BOLD, NULL);
g_hash_table_insert(default_text_grid_styles, "alert", tag);
tag = gtk_text_tag_new("note");
+ //g_object_set(tag, "font-desc", monospace_font_desc, "foreground", "#aaaa00", "weight", PANGO_WEIGHT_BOLD, NULL);
g_object_set(tag, "foreground", "#aaaa00", "weight", PANGO_WEIGHT_BOLD, NULL);
g_hash_table_insert(default_text_grid_styles, "note", tag);
tag = gtk_text_tag_new("block-quote");
+ //g_object_set(tag, "font-desc", monospace_font_desc, "style", PANGO_STYLE_ITALIC, "style-set", TRUE, 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("input");
+ //g_object_set(tag, "font-desc", monospace_font_desc, NULL);
+ g_hash_table_insert(default_text_grid_styles, "input", tag);
+
+ tag = gtk_text_tag_new("user1");
+ //g_object_set(tag, "font-desc", monospace_font_desc, NULL);
+ g_hash_table_insert(default_text_grid_styles, "user1", tag);
+
+ tag = gtk_text_tag_new("user2");
+ //g_object_set(tag, "font-desc", monospace_font_desc, NULL);
+ g_hash_table_insert(default_text_grid_styles, "user2", tag);
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");
+ /* Initialise the default styles for a text buffer */
+ tag = gtk_text_tag_new("default");
g_object_set(tag, "font-desc", default_font_desc, NULL);
+ g_hash_table_insert(default_text_buffer_styles, "default", tag);
+
+ tag = gtk_text_tag_new("normal");
+ //g_object_set(tag, "font-desc", default_font_desc, NULL);
g_hash_table_insert(default_text_buffer_styles, "normal", tag);
tag = gtk_text_tag_new("emphasized");
+ //g_object_set(tag, "font-desc", default_font_desc, "style", PANGO_STYLE_ITALIC, "style-set", TRUE, NULL);
g_object_set(tag, "style", PANGO_STYLE_ITALIC, "style-set", TRUE, NULL);
g_hash_table_insert(default_text_buffer_styles, "emphasized", tag);
g_hash_table_insert(default_text_buffer_styles, "preformatted", tag);
tag = gtk_text_tag_new("header");
+ //g_object_set(tag, "font-desc", default_font_desc, "size-points", 18.0, "weight", PANGO_WEIGHT_BOLD, NULL);
g_object_set(tag, "size-points", 18.0, "weight", PANGO_WEIGHT_BOLD, NULL);
g_hash_table_insert(default_text_buffer_styles, "header", tag);
tag = gtk_text_tag_new("subheader");
+ //g_object_set(tag, "font-desc", default_font_desc, "size-points", 14.0, "weight", PANGO_WEIGHT_BOLD, NULL);
g_object_set(tag, "size-points", 14.0, "weight", PANGO_WEIGHT_BOLD, NULL);
g_hash_table_insert(default_text_buffer_styles, "subheader", tag);
tag = gtk_text_tag_new("alert");
+ //g_object_set(tag, "font-desc", default_font_desc, "foreground", "#aa0000", "weight", PANGO_WEIGHT_BOLD, NULL);
g_object_set(tag, "foreground", "#aa0000", "weight", PANGO_WEIGHT_BOLD, NULL);
g_hash_table_insert(default_text_buffer_styles, "alert", tag);
tag = gtk_text_tag_new("note");
+ //g_object_set(tag, "font-desc", default_font_desc, "foreground", "#aaaa00", "weight", PANGO_WEIGHT_BOLD, NULL);
g_object_set(tag, "foreground", "#aaaa00", "weight", PANGO_WEIGHT_BOLD, NULL);
g_hash_table_insert(default_text_buffer_styles, "note", tag);
tag = gtk_text_tag_new("block-quote");
+ //g_object_set(tag, "font-desc", default_font_desc, "justification", GTK_JUSTIFY_CENTER, "style", PANGO_STYLE_ITALIC, "style-set", TRUE, 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("input");
+ //g_object_set(tag, "font-desc", default_font_desc, NULL);
+ g_hash_table_insert(default_text_buffer_styles, "input", tag);
+
+ tag = gtk_text_tag_new("user1");
+ //g_object_set(tag, "font-desc", default_font_desc, NULL);
+ g_hash_table_insert(default_text_buffer_styles, "user1", tag);
+
+ tag = gtk_text_tag_new("user2");
+ //g_object_set(tag, "font-desc", default_font_desc, NULL);
+ g_hash_table_insert(default_text_buffer_styles, "user2", tag);
tag = gtk_text_tag_new("hyperlink");
+ //g_object_set(tag, "font-desc", default_font_desc, "foreground", "#0000ff", "underline", PANGO_UNDERLINE_SINGLE, "underline-set", TRUE, NULL);
g_object_set(tag, "foreground", "#0000ff", "underline", PANGO_UNDERLINE_SINGLE, "underline-set", TRUE, NULL);
g_hash_table_insert(default_text_buffer_styles, "hyperlink", tag);
GtkTextTag *pager_tag = gtk_text_tag_new("pager");
- g_object_set(pager_tag, "foreground", "#ffffff", "background", "#000000", NULL);
+ g_object_set(pager_tag, "font-desc", default_font_desc, "foreground", "#ffffff", "background", "#000000", NULL);
g_hash_table_insert(default_text_buffer_styles, "pager", pager_tag);
+ text_tag_to_attr_list(pager_tag, priv->pager_attr_list);
pango_font_description_free(default_font_desc);
pango_font_description_free(monospace_font_desc);
- priv->default_styles->text_grid = default_text_grid_styles;
- priv->default_styles->text_buffer = default_text_buffer_styles;
- priv->current_styles->text_grid = current_text_grid_styles;
- priv->current_styles->text_buffer = current_text_buffer_styles;
+ priv->styles->text_grid = default_text_grid_styles;
+ priv->styles->text_buffer = default_text_buffer_styles;
- /* Set the current style to a copy of the default style */
- copy_default_styles_to_current_styles(glk);
- text_tag_to_attr_list(pager_tag, priv->pager_attr_list);
+ /* Initialize the GLK styles to empty tags */
+ int i;
+ for(i=0; i<style_NUMSTYLES; i++) {
+ tag = gtk_text_tag_new(GLK_TAG_NAMES[i]);
+ g_hash_table_insert(glk_text_grid_styles, (gchar*) GLK_TAG_NAMES[i], tag);
+ tag = gtk_text_tag_new(GLK_TAG_NAMES[i]);
+ g_hash_table_insert(glk_text_buffer_styles, (gchar*) GLK_TAG_NAMES[i], tag);
+ }
+
+ priv->glk_styles->text_grid = glk_text_grid_styles;
+ priv->glk_styles->text_buffer = glk_text_buffer_styles;
+
}
/* Reset style tables to the library's internal defaults */
void
copy_default_styles_to_current_styles(ChimaraGlk *glk)
{
+ /*
CHIMARA_GLK_USE_PRIVATE(glk, priv);
- g_hash_table_foreach(priv->default_styles->text_grid, style_table_copy, priv->current_styles->text_grid);
- g_hash_table_foreach(priv->default_styles->text_buffer, style_table_copy, priv->current_styles->text_buffer);
+ g_hash_table_foreach(priv->styles->text_grid, style_table_copy, priv->glk_styles->text_grid);
+ g_hash_table_foreach(priv->styles->text_buffer, style_table_copy, priv->glk_styles->text_buffer);
+
+ GtkTextTag *pager_tag = GTK_TEXT_TAG( g_hash_table_lookup(priv->styles->text_buffer, "pager") );
+ text_tag_to_attr_list(pager_tag, priv->pager_attr_list);
+ */
}
/* Create the CSS file scanner */
void
scan_css_file(GScanner *scanner, ChimaraGlk *glk)
{
+ CHIMARA_GLK_USE_PRIVATE(glk, priv);
+
while( g_scanner_peek_next_token(scanner) != G_TOKEN_EOF) {
if( !style_accept_style_selector(scanner, glk) )
break;
}
g_scanner_destroy(scanner);
+
+ /* Update the pager prompt to the new style */
+ GtkTextTag *pager_tag = GTK_TEXT_TAG( g_hash_table_lookup(priv->styles->text_buffer, "pager") );
+ text_tag_to_attr_list(pager_tag, priv->pager_attr_list);
}
/* Internal function: parses a token */
field = g_strdup(value.v_identifier);
- if( !style_accept(scanner, '.') )
- return FALSE;
+ /* Parse the tag name to change */
+ if( g_scanner_peek_next_token(scanner) == '{') {
+ style_accept(scanner, '{');
+ if( !strcmp(field, "buffer") )
+ current_tag = g_hash_table_lookup(priv->styles->text_buffer, "default");
+ else
+ current_tag = g_hash_table_lookup(priv->styles->text_grid, "default");
+ } else {
+ if( !style_accept(scanner, '.') )
+ return FALSE;
- token = g_scanner_get_next_token(scanner);
- value = g_scanner_cur_value(scanner);
+ token = g_scanner_get_next_token(scanner);
+ value = g_scanner_cur_value(scanner);
- if(token != G_TOKEN_IDENTIFIER) {
- g_scanner_error(scanner, "CSS Error: style selector expected");
- return FALSE;
- }
+ if(token != G_TOKEN_IDENTIFIER) {
+ g_scanner_error(scanner, "CSS Error: style selector expected");
+ return FALSE;
+ }
- if( !strcmp(field, "buffer") )
- current_tag = g_hash_table_lookup(priv->default_styles->text_buffer, value.v_identifier);
- else
- current_tag = g_hash_table_lookup(priv->default_styles->text_grid, value.v_identifier);
+ if( !strcmp(field, "buffer") )
+ current_tag = g_hash_table_lookup(priv->styles->text_buffer, value.v_identifier);
+ else
+ current_tag = g_hash_table_lookup(priv->styles->text_grid, value.v_identifier);
- if(current_tag == NULL) {
- g_scanner_error(scanner, "CSS Error: invalid style identifier");
- return FALSE;
- }
+ if(current_tag == NULL) {
+ g_scanner_error(scanner, "CSS Error: invalid style identifier");
+ return FALSE;
+ }
- if( !style_accept(scanner, '{') )
- return FALSE;
+ if( !style_accept(scanner, '{') )
+ return FALSE;
+ }
while( g_scanner_peek_next_token(scanner) != '}') {
if( !style_accept_style_hint(scanner, current_tag) )
/* Internal function: changes a GTK tag to correspond with the given style. */
static void
-apply_stylehint_to_tag(GtkTextTag *tag, glui32 wintype, glui32 hint, glsi32 val)
+apply_stylehint_to_tag(GtkTextTag *tag, GtkTextTag *default_tag, glui32 wintype, glui32 hint, glsi32 val)
{
g_return_if_fail(tag != NULL);
{
gchar *font_family;
GtkTextTag *font_tag = g_hash_table_lookup(
- wintype == wintype_TextBuffer? glk_data->default_styles->text_buffer : glk_data->default_styles->text_grid,
+ wintype == wintype_TextBuffer? glk_data->styles->text_buffer : glk_data->styles->text_grid,
val? "normal" : "preformatted");
g_object_get(font_tag, "family", &font_family, NULL);
g_object_set(tag_object, "family", font_family, "family-set", TRUE, NULL);
/* Flip the fore- and background colors */
GdkColor* foreground_color;
GdkColor* background_color;
- gint f_set, b_set = 0;
+ gint f_set, b_set, df_set, db_set = 0;
g_object_get(tag_object, "foreground-set", &f_set, "background-set", &b_set, NULL);
+ g_object_get(default_tag, "foreground-set", &df_set, "background-set", &db_set, NULL);
if(f_set)
g_object_get(tag_object, "foreground-gdk", &foreground_color, NULL);
+ else if(df_set)
+ g_object_get(default_tag, "foreground-gdk", &foreground_color, NULL);
if(b_set)
g_object_get(tag_object, "background-gdk", &background_color, NULL);
+ else if(db_set)
+ g_object_get(default_tag, "background-gdk", &background_color, NULL);
- if(b_set)
+ if(b_set || db_set)
g_object_set(tag_object, "foreground-gdk", background_color, NULL);
else
g_object_set(tag_object, "foreground", "#ffffff", NULL);
- if(f_set)
+ if(f_set || df_set)
g_object_set(tag_object, "background-gdk", foreground_color, NULL);
else
g_object_set(tag_object, "background", "#000000", NULL);
{
gchar *font_family, *query_font_family;
GtkTextTag *font_tag = g_hash_table_lookup(
- wintype == wintype_TextBuffer? glk_data->default_styles->text_buffer : glk_data->default_styles->text_grid,
+ wintype == wintype_TextBuffer? glk_data->styles->text_buffer : glk_data->styles->text_grid,
"preformatted");
g_object_get(font_tag, "family", &font_family, NULL);
g_object_get(tag, "family", &query_font_family, NULL);
* @val: The style hint. The meaning of this depends on @hint.
*
* Sets a hint about the appearance of one style for a particular type of
- * window. You can also set wintype to %wintype_AllTypes, which sets a hint for
+ * window. You can also set @wintype to %wintype_AllTypes, which sets a hint for
* all types of window.
* <note><para>
* There is no equivalent constant to set a hint for all styles of a single
{
ChimaraGlkPrivate *glk_data = g_private_get(glk_data_key);
- GtkTextTag *to_change;
+ GtkTextTag *to_change, *default_tag;
if(wintype == wintype_TextBuffer || wintype == wintype_AllTypes) {
- to_change = g_hash_table_lookup( glk_data->current_styles->text_buffer, get_tag_name(styl) );
- apply_stylehint_to_tag(to_change, wintype_TextBuffer, hint, val);
+ to_change = g_hash_table_lookup( glk_data->glk_styles->text_buffer, get_glk_tag_name(styl) );
+ default_tag = g_hash_table_lookup( glk_data->styles->text_buffer, get_tag_name(styl) );
+ apply_stylehint_to_tag(to_change, default_tag, wintype_TextBuffer, hint, val);
}
if(wintype == wintype_TextGrid || wintype == wintype_AllTypes) {
- to_change = g_hash_table_lookup( glk_data->current_styles->text_grid, get_tag_name(styl) );
- apply_stylehint_to_tag(to_change, wintype_TextGrid, hint, val);
+ to_change = g_hash_table_lookup( glk_data->glk_styles->text_grid, get_glk_tag_name(styl) );
+ default_tag = g_hash_table_lookup( glk_data->styles->text_grid, get_tag_name(styl) );
+ apply_stylehint_to_tag(to_change, default_tag, wintype_TextGrid, hint, val);
}
}
* @styl: The style to set a hint for.
* @hint: The type of style hint, one of the <code>stylehint_</code> constants.
*
- * Resets a hint about the appearance of one style for a particular type of
- * window to it's default value. You can also set wintype to %wintype_AllTypes, which resets a hint for
- * all types of window.
+ * Clears a hint about the appearance of one style for a particular type of
+ * window to its default value. You can also set @wintype to %wintype_AllTypes,
+ * which clears a hint for all types of window.
* <note><para>
* There is no equivalent constant to reset a hint for all styles of a single
* window type.
switch(wintype) {
case wintype_TextBuffer:
- tag = g_hash_table_lookup( glk_data->default_styles->text_buffer, get_tag_name(styl) );
- glk_stylehint_set( wintype, styl, hint, query_tag(tag, wintype, hint) );
+ tag = g_hash_table_lookup( glk_data->glk_styles->text_buffer, get_glk_tag_name(styl) );
+ if(tag) {
+ glk_stylehint_set( wintype, styl, hint, query_tag(tag, wintype, hint) );
+ }
break;
case wintype_TextGrid:
- tag = g_hash_table_lookup( glk_data->default_styles->text_grid, get_tag_name(styl) );
- glk_stylehint_set( wintype, styl, hint, query_tag(tag, wintype, hint) );
+ tag = g_hash_table_lookup( glk_data->glk_styles->text_grid, get_glk_tag_name(styl) );
+ if(tag) {
+ glk_stylehint_set( wintype, styl, hint, query_tag(tag, wintype, hint) );
+ }
default:
return;
}
* @styl1: The first style to be distinguished from the second style.
* @styl2: The second style to be distinguished from the first style.
*
- * Returns: TRUE if the two styles are visually distinguishable in the given window.
- * If they are not, it returns FALSE.
+ * Decides whether two styles are visually distinguishable in the given window.
+ * The exact meaning of this is left for the library to determine.
+ * <note><title>Chimara</title><para>
+ * Currently, all styles of one window are assumed to be mutually
+ * distinguishable.
+ * </para></note>
+ *
+ * Returns: %TRUE (1) if the two styles are visually distinguishable. If they
+ * are not, it returns %FALSE (0).
*/
glui32
glk_style_distinguish(winid_t win, glui32 styl1, glui32 styl2)
{
+ /* FIXME */
return styl1 != styl2;
}
* @hint: The stylehint to measure.
* @result: Address to write the result to.
*
- * This function can be used to query the current value of a particular style hint.
+ * Tries to test an attribute of one style in the given window @win. The library
+ * may not be able to determine the attribute; if not, this returns %FALSE (0).
+ * If it can, it returns %TRUE (1) and stores the value in the location pointed
+ * at by @result.
+ * <note><para>
+ * As usual, it is legal for @result to be %NULL, although fairly pointless.
+ * </para></note>
+ *
+ * The meaning of the value depends on the hint which was tested:
+ * <variablelist>
+ * <varlistentry>
+ * <term>%stylehint_Indentation, %stylehint_ParaIndentation</term>
+ * <listitem><para>The indentation and paragraph indentation. These are in a
+ * metric which is platform-dependent.</para>
+ * <note><para>Most likely either characters or pixels.</para></note>
+ * </listitem>
+ * </varlistentry>
+ * <varlistentry>
+ * <term>%stylehint_Justification</term>
+ * <listitem><para>One of the constants %stylehint_just_LeftFlush,
+ * %stylehint_just_LeftRight, %stylehint_just_Centered, or
+ * %stylehint_just_RightFlush.</para></listitem>
+ * </varlistentry>
+ * <varlistentry>
+ * <term>%stylehint_Size</term>
+ * <listitem><para>The font size. Again, this is in a platform-dependent
+ * metric.</para>
+ * <note><para>Pixels, points, or simply 1 if the library does not support
+ * varying font sizes.</para></note>
+ * </listitem>
+ * </varlistentry>
+ * <varlistentry>
+ * <term>%stylehint_Weight</term>
+ * <listitem><para>1 for heavy-weight fonts (boldface), 0 for normal weight,
+ * and -1 for light-weight fonts.</para></listitem>
+ * </varlistentry>
+ * <varlistentry>
+ * <term>%stylehint_Oblique</term>
+ * <listitem><para>1 for oblique fonts (italic), or 0 for normal angle.</para>
+ * </listitem>
+ * </varlistentry>
+ * <varlistentry>
+ * <term>%stylehint_Proportional</term>
+ * <listitem><para>1 for proportional-width fonts, or 0 for fixed-width.
+ * </para></listitem>
+ * </varlistentry>
+ * <varlistentry>
+ * <term>%stylehint_TextColor, %stylehint_BackColor</term>
+ * <listitem><para>These are values from 0x00000000 to 0x00FFFFFF, encoded as
+ * described in <link
+ * linkend="chimara-Suggesting-the-Appearance-of-Styles">Suggesting the
+ * Appearance of Styles</link>.</para></listitem>
+ * </varlistentry>
+ * <varlistentry>
+ * <term>%stylehint_ReverseColor</term>
+ * <listitem><para>0 for normal printing, 1 if the foreground and background
+ * colors are reversed.</para></listitem>
+ * </varlistentry>
+ * </variablelist>
+ *
* Returns: TRUE upon successul retrieval, otherwise FALSE.
*/
glui32
switch(win->type) {
case wintype_TextBuffer:
- tag = g_hash_table_lookup( glk_data->current_styles->text_buffer, get_tag_name(styl) );
- *result = query_tag(tag, win->type, hint);
+ tag = g_hash_table_lookup( glk_data->glk_styles->text_buffer, get_glk_tag_name(styl) );
+ if(result)
+ *result = query_tag(tag, win->type, hint);
break;
case wintype_TextGrid:
- tag = g_hash_table_lookup( glk_data->current_styles->text_grid, get_tag_name(styl) );
- *result = query_tag(tag, win->type, hint);
+ tag = g_hash_table_lookup( glk_data->glk_styles->text_grid, get_glk_tag_name(styl) );
+ if(result)
+ *result = query_tag(tag, win->type, hint);
default:
return FALSE;
}
switch(wintype) {
case wintype_TextGrid:
- normal = g_hash_table_lookup(glk_data->current_styles->text_grid, "normal");
+ normal = g_hash_table_lookup(glk_data->styles->text_grid, "normal");
break;
case wintype_TextBuffer:
- normal = g_hash_table_lookup(glk_data->current_styles->text_buffer, "normal");
+ normal = g_hash_table_lookup(glk_data->styles->text_buffer, "normal");
break;
default:
return NULL;
);
}
}
+
+/* Update pager and reverse video tags */
+void
+style_update(ChimaraGlk *glk)
+{
+ CHIMARA_GLK_USE_PRIVATE(glk, priv);
+
+ GtkTextTag *pager_tag = GTK_TEXT_TAG( g_hash_table_lookup(priv->styles->text_buffer, "pager") );
+ text_tag_to_attr_list(pager_tag, priv->pager_attr_list);
+}