#include <stdio.h>
#include <string.h>
+#include <math.h>
#include "chimara-glk-private.h"
#include "glk.h"
#include "style.h"
#include "stream.h"
#include "strio.h"
-extern GPrivate *glk_data_key;
+extern GPrivate glk_data_key;
static gboolean style_accept(GScanner *scanner, GTokenType token);
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);
+static void style_cascade_colors(GtkTextTag *tag, GtkTextTag *glk_tag, GtkTextTag *default_tag, GdkColor **foreground, GdkColor **background);
/**
* glk_set_style:
void
glk_set_style(glui32 styl)
{
- ChimaraGlkPrivate *glk_data = g_private_get(glk_data_key);
+ ChimaraGlkPrivate *glk_data = g_private_get(&glk_data_key);
g_return_if_fail(glk_data->current_stream != NULL);
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",
+ "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
*/
void
glk_set_style_stream(strid_t str, glui32 styl) {
+#ifdef DEBUG_STYLES
+ g_printf("glk_set_style(str->rock=%d, styl=%d)\n", str->rock, styl);
+#endif
+
if(str->window == NULL)
return;
flush_window_buffer(str->window);
- str->style = get_tag_name(styl);
-}
-
-/* Internal function: call this to initialize the layout of the 'more' prompt. */
-void
-style_init_more_prompt(winid_t win)
-{
- ChimaraGlkPrivate *glk_data = g_private_get(glk_data_key);
-
- win->pager_layout = gtk_widget_create_pango_layout(win->widget, "More");
- pango_layout_set_attributes(win->pager_layout, glk_data->pager_attr_list);
+ str->style = (gchar*) get_tag_name(styl);
+ str->glk_style = (gchar*) get_glk_tag_name(styl);
}
/* Internal function: call this to initialize the default styles to a textbuffer. */
{
g_return_if_fail(buffer != NULL);
- ChimaraGlkPrivate *glk_data = g_private_get(glk_data_key);
+ ChimaraGlkPrivate *glk_data = g_private_get(&glk_data_key);
+
+ /* Place the default text tags in the textbuffer's tag table */
+ g_hash_table_foreach(glk_data->styles->text_buffer, style_copy_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));
- /* 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));
+ /* Assign the 'default' tag the lowest priority */
+ gtk_text_tag_set_priority( gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "default"), 0 );
}
style_init_textgrid(GtkTextBuffer *buffer)
{
g_return_if_fail(buffer != NULL);
-
- 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));
-}
+ ChimaraGlkPrivate *glk_data = g_private_get(&glk_data_key);
-/* 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) );
+ /* Place the default text tags in the textbuffer's tag table */
+ g_hash_table_foreach(glk_data->styles->text_grid, style_copy_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));
+
+ /* Assign the 'default' tag the lowest priority */
+ gtk_text_tag_set_priority( gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "default"), 0 );
}
/* 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 */
gtk_text_tag_copy(GtkTextTag *tag)
{
GtkTextTag *copy;
+ char *tag_name;
+ GParamSpec **properties;
+ unsigned nprops, count;
g_return_val_if_fail(tag != NULL, NULL);
- copy = gtk_text_tag_new(tag->name);
- gtk_text_attributes_copy_values(tag->values, copy->values);
-
- #define _COPY_FLAG(flag) copy->flag = tag->flag
- _COPY_FLAG (bg_color_set);
- _COPY_FLAG (bg_color_set);
- _COPY_FLAG (bg_stipple_set);
- _COPY_FLAG (fg_color_set);
- _COPY_FLAG (fg_stipple_set);
- _COPY_FLAG (justification_set);
- _COPY_FLAG (left_margin_set);
- _COPY_FLAG (indent_set);
- _COPY_FLAG (rise_set);
- _COPY_FLAG (strikethrough_set);
- _COPY_FLAG (right_margin_set);
- _COPY_FLAG (pixels_above_lines_set);
- _COPY_FLAG (pixels_below_lines_set);
- _COPY_FLAG (pixels_inside_wrap_set);
- _COPY_FLAG (tabs_set);
- _COPY_FLAG (underline_set);
- _COPY_FLAG (wrap_mode_set);
- _COPY_FLAG (bg_full_height_set);
- _COPY_FLAG (invisible_set);
- _COPY_FLAG (editable_set);
- _COPY_FLAG (language_set);
- #undef _COPY_FLAG
+ g_object_get(tag, "name", &tag_name, NULL);
+ copy = gtk_text_tag_new(tag_name);
+ g_free(tag_name);
+
+ /* Copy all the original tag's properties to the new tag */
+ properties = g_object_class_list_properties( G_OBJECT_GET_CLASS(tag), &nprops );
+ for(count = 0; count < nprops; count++) {
+
+ /* Only copy properties that are readable, writable, not construct-only,
+ and not deprecated */
+ GParamFlags flags = properties[count]->flags;
+ if(flags & G_PARAM_CONSTRUCT_ONLY
+ || flags & G_PARAM_DEPRECATED
+ || !(flags & G_PARAM_READABLE)
+ || !(flags & G_PARAM_WRITABLE))
+ continue;
+
+ const char *prop_name = g_param_spec_get_name(properties[count]);
+ GValue prop_value = G_VALUE_INIT;
+
+ g_value_init( &prop_value, G_PARAM_SPEC_VALUE_TYPE(properties[count]) );
+ g_object_get_property( G_OBJECT(tag), prop_name, &prop_value );
+ /* Don't copy the PangoTabArray if it is NULL, that prints a warning */
+ if(strcmp(prop_name, "tabs") == 0 && g_value_get_boxed(&prop_value) == NULL) {
+ g_value_unset(&prop_value);
+ continue;
+ }
+ g_object_set_property( G_OBJECT(copy), prop_name, &prop_value );
+ g_value_unset(&prop_value);
+ }
+ g_free(properties);
/* Copy the data that was added manually */
- gpointer reverse_color = g_object_get_data( G_OBJECT(tag), "reverse_color" );
+ 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 );
+ if(reverse_color) {
+ g_object_set_data( G_OBJECT(copy), "reverse-color", reverse_color );
+ }
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);
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("default");
+ g_object_set(tag, "family", "Monospace", "family-set", TRUE, 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_hash_table_insert(default_text_grid_styles, "emphasized", tag);
tag = gtk_text_tag_new("preformatted");
- g_object_set(tag, "font-desc", monospace_font_desc, NULL);
g_hash_table_insert(default_text_grid_styles, "preformatted", tag);
tag = gtk_text_tag_new("header");
- g_object_set(tag, "weight", PANGO_WEIGHT_BOLD, NULL);
+ g_object_set(tag, "weight", PANGO_WEIGHT_BOLD, "weight-set", TRUE, NULL);
g_hash_table_insert(default_text_grid_styles, "header", tag);
tag = gtk_text_tag_new("subheader");
- g_object_set(tag, "weight", PANGO_WEIGHT_BOLD, NULL);
+ g_object_set(tag, "weight", PANGO_WEIGHT_BOLD, "weight-set", TRUE, NULL);
g_hash_table_insert(default_text_grid_styles, "subheader", tag);
tag = gtk_text_tag_new("alert");
- g_object_set(tag, "foreground", "#aa0000", "weight", PANGO_WEIGHT_BOLD, NULL);
+ g_object_set(tag, "foreground", "#aa0000", "foreground-set", TRUE, "weight", PANGO_WEIGHT_BOLD, "weight-set", TRUE, NULL);
g_hash_table_insert(default_text_grid_styles, "alert", tag);
tag = gtk_text_tag_new("note");
- g_object_set(tag, "foreground", "#aaaa00", "weight", PANGO_WEIGHT_BOLD, NULL);
+ g_object_set(tag, "foreground", "#aaaa00", "foreground-set", TRUE, "weight", PANGO_WEIGHT_BOLD, "weight-set", TRUE, NULL);
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, "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_hash_table_insert(default_text_grid_styles, "input", tag);
+
+ tag = gtk_text_tag_new("user1");
+ g_hash_table_insert(default_text_grid_styles, "user1", tag);
+
+ tag = gtk_text_tag_new("user2");
+ 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_object_set(tag, "foreground", "#0000ff", "foreground-set", TRUE, "underline", PANGO_UNDERLINE_SINGLE, "underline-set", TRUE, NULL);
g_hash_table_insert(default_text_grid_styles, "hyperlink", tag);
- /* Tags for the textbuffer */
+ /* Initialise the default styles for a text buffer */
+ tag = gtk_text_tag_new("default");
+ g_object_set(tag, "family", "Serif", "family-set", TRUE, 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_hash_table_insert(default_text_buffer_styles, "emphasized", tag);
tag = gtk_text_tag_new("preformatted");
- g_object_set(tag, "font-desc", monospace_font_desc, NULL);
+ g_object_set(tag, "family", "Monospace", "family-set", TRUE, NULL);
g_hash_table_insert(default_text_buffer_styles, "preformatted", tag);
tag = gtk_text_tag_new("header");
- g_object_set(tag, "size-points", 18.0, "weight", PANGO_WEIGHT_BOLD, NULL);
+ g_object_set(tag, "weight", PANGO_WEIGHT_BOLD, "weight-set", TRUE, NULL);
g_hash_table_insert(default_text_buffer_styles, "header", tag);
tag = gtk_text_tag_new("subheader");
- g_object_set(tag, "size-points", 14.0, "weight", PANGO_WEIGHT_BOLD, NULL);
+ g_object_set(tag, "weight", PANGO_WEIGHT_BOLD, "weight-set", TRUE, NULL);
g_hash_table_insert(default_text_buffer_styles, "subheader", tag);
tag = gtk_text_tag_new("alert");
- g_object_set(tag, "foreground", "#aa0000", "weight", PANGO_WEIGHT_BOLD, NULL);
+ g_object_set(tag, "foreground", "#aa0000", "foreground-set", TRUE, "weight", PANGO_WEIGHT_BOLD, "weight-set", TRUE, NULL);
g_hash_table_insert(default_text_buffer_styles, "alert", tag);
tag = gtk_text_tag_new("note");
- g_object_set(tag, "foreground", "#aaaa00", "weight", PANGO_WEIGHT_BOLD, NULL);
+ g_object_set(tag, "foreground", "#aaaa00", "foreground-set", TRUE, "weight", PANGO_WEIGHT_BOLD, "weight-set", TRUE, NULL);
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, "style-set", TRUE, NULL);
+ g_object_set(tag, "justification", GTK_JUSTIFY_CENTER, "justification-set", TRUE, "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_hash_table_insert(default_text_buffer_styles, "input", tag);
+
+ tag = gtk_text_tag_new("user1");
+ g_hash_table_insert(default_text_buffer_styles, "user1", tag);
+
+ tag = gtk_text_tag_new("user2");
+ g_hash_table_insert(default_text_buffer_styles, "user2", tag);
tag = gtk_text_tag_new("hyperlink");
- g_object_set(tag, "foreground", "#0000ff", "underline", PANGO_UNDERLINE_SINGLE, "underline-set", TRUE, NULL);
+ g_object_set(tag, "foreground", "#0000ff", "foreground-set", TRUE, "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_hash_table_insert(default_text_buffer_styles, "pager", pager_tag);
+ priv->styles->text_grid = default_text_grid_styles;
+ priv->styles->text_buffer = default_text_buffer_styles;
- 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;
-
- /* Set the current style to a copy of the default style */
- copy_default_styles_to_current_styles(glk);
+ style_reset_glk(glk);
}
-/* Reset style tables to the library's internal defaults */
+/* Reset the style hints set from the Glk program to be blank. Call this when
+starting a new game so that style hints from the previous game don't carry
+over. */
void
-reset_default_styles(ChimaraGlk *glk)
+style_reset_glk(ChimaraGlk *glk)
{
- /* TODO: write this function */
+ CHIMARA_GLK_USE_PRIVATE(glk, priv);
+
+ 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;
+
+ /* 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;
+
}
-/* Copy the default styles to the current styles
- FIXME: This function is temporary and will not be needed later on */
+/* Reset style tables to the library's internal defaults */
void
-copy_default_styles_to_current_styles(ChimaraGlk *glk)
+reset_default_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);
-
- GtkTextTag *pager_tag = GTK_TEXT_TAG( g_hash_table_lookup(priv->default_styles->text_buffer, "pager") );
- text_tag_to_attr_list(pager_tag, priv->pager_attr_list);
+ /* TODO: write this function */
}
/* Create the CSS file scanner */
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) )
return TRUE;
}
-/* Internal function: parses a glk color to a #hex-value */
-static void
-glkcolor_to_hex(glui32 val, gchar *buffer)
-{
- g_return_if_fail(buffer != NULL);
-
- sprintf(buffer, "#%02X%02X%02X",
- ((val & 0xff0000) >> 16),
- ((val & 0x00ff00) >> 8),
- (val & 0x0000ff)
- );
-}
-
/* Internal function: parses a glk color to a GdkColor */
void
glkcolor_to_gdkcolor(glui32 val, GdkColor *color)
color->blue = 256 * (val & 0x0000ff);
}
+/* Internal function: parses a glk color to a hex string */
+gchar*
+glkcolor_to_hex(glui32 val)
+{
+ return g_strdup_printf("%04X%04X%04X",
+ 256 * ((val & 0xff0000) >> 16),
+ 256 * ((val & 0x00ff00) >> 8),
+ 256 * (val & 0x0000ff)
+ );
+}
+
+/* Internal function: parses a gdk color to a hex string */
+gchar*
+gdkcolor_to_hex(GdkColor *color)
+{
+ return g_strdup_printf("%04X%04X%04X",
+ color->red, color->green, color->blue
+ );
+}
+
/* Internal function: parses a GdkColor to a glk color */
static glui32
gdkcolor_to_glkcolor(GdkColor *color)
/* 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, glui32 wintype, glui32 styl, glui32 hint, glsi32 val)
{
g_return_if_fail(tag != NULL);
- ChimaraGlkPrivate *glk_data = g_private_get(glk_data_key);
+ ChimaraGlkPrivate *glk_data = g_private_get(&glk_data_key);
GObject *tag_object = G_OBJECT(tag);
gint reverse_color = GPOINTER_TO_INT( g_object_get_data(tag_object, "reverse-color") );
int i = 0;
- gchar color[20];
+ GdkColor color;
switch(hint) {
case stylehint_Indentation:
g_object_set(tag_object, "left-margin", 5*val, "left-margin-set", TRUE, NULL);
break;
case stylehint_Size:
- g_object_set(tag_object, "size", 14+(2*val), "size-set", TRUE, NULL);
+ {
+ gdouble scale = PANGO_SCALE_MEDIUM;
+ switch(val) {
+ case -3: scale = PANGO_SCALE_XX_SMALL; break;
+ case -2: scale = PANGO_SCALE_X_SMALL; break;
+ case -1: scale = PANGO_SCALE_SMALL; break;
+ case 0: scale = PANGO_SCALE_MEDIUM; break;
+ case 1: scale = PANGO_SCALE_LARGE; break;
+ case 2: scale = PANGO_SCALE_X_LARGE; break;
+ case 3: scale = PANGO_SCALE_XX_LARGE; break;
+ default:
+ /* We follow Pango's convention of having each magnification
+ step be a scaling of 1.2 */
+ scale = pow(1.2, (double)val);
+ }
+ g_object_set(tag_object, "scale", scale, "scale-set", TRUE, NULL);
+ }
break;
case stylehint_Oblique:
case stylehint_Proportional:
{
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,
- val? "normal" : "preformatted");
- g_object_get(font_tag, "family", &font_family, NULL);
- g_object_set(tag_object, "family", font_family, "family-set", TRUE, NULL);
+ gboolean family_set;
+
+ if(wintype != wintype_TextBuffer) {
+ if(val)
+ WARNING("Style hint 'propotional' only supported on text buffers.");
+
+ break;
+ }
+
+ GtkTextTag *font_tag = g_hash_table_lookup(glk_data->styles->text_buffer, val? "default" : "preformatted");
+ g_object_get(font_tag, "family", &font_family, "family-set", &family_set, NULL);
+ g_object_set(tag_object, "family", font_family, "family-set", family_set, NULL);
g_free(font_family);
}
break;
case stylehint_TextColor:
- glkcolor_to_hex(val, color);
+ glkcolor_to_gdkcolor(val, &color);
if(!reverse_color)
- g_object_set(tag_object, "foreground", color, "foreground-set", TRUE, NULL);
+ g_object_set(tag_object, "foreground-gdk", &color, "foreground-set", TRUE, NULL);
else
- g_object_set(tag_object, "background", color, "background-set", TRUE, NULL);
+ g_object_set(tag_object, "background-gdk", &color, "background-set", TRUE, NULL);
break;
case stylehint_BackColor:
- glkcolor_to_hex(val, color);
+ glkcolor_to_gdkcolor(val, &color);
if(!reverse_color)
- g_object_set(tag_object, "background", color, "background-set", TRUE, NULL);
+ g_object_set(tag_object, "background-gdk", &color, "background-set", TRUE, NULL);
else
- g_object_set(tag_object, "foreground", color, "background-set", TRUE, NULL);
+ g_object_set(tag_object, "foreground-gdk", &color, "background-set", TRUE, NULL);
break;
case stylehint_ReverseColor:
- if(reverse_color != val) {
+ {
+ // Determine the current colors
+
+ // If all fails, use black/white
+ // FIXME: Use system theme here
+ GdkColor foreground, background;
+ gdk_color_parse("black", &foreground);
+ gdk_color_parse("white", &background);
+ GdkColor *current_foreground = &foreground;
+ GdkColor *current_background = &background;
+
+ if(wintype == wintype_TextBuffer) {
+ GtkTextTag* default_tag = g_hash_table_lookup(glk_data->styles->text_buffer, "default");
+ GtkTextTag* base_tag = g_hash_table_lookup(glk_data->styles->text_buffer, get_tag_name(styl));
+ style_cascade_colors(base_tag, tag, default_tag, ¤t_foreground, ¤t_background);
+ }
+ else if(wintype == wintype_TextGrid) {
+ GtkTextTag* default_tag = g_hash_table_lookup(glk_data->styles->text_grid, "default");
+ GtkTextTag* base_tag = g_hash_table_lookup(glk_data->styles->text_grid, get_tag_name(styl));
+ style_cascade_colors(base_tag, tag, default_tag, ¤t_foreground, ¤t_background);
+ }
+
+ if(val) {
/* Flip the fore- and background colors */
- GdkColor* foreground_color;
- GdkColor* background_color;
- gint f_set, b_set = 0;
- g_object_get(tag_object, "foreground-set", &f_set, "background-set", &b_set, NULL);
-
- if(f_set)
- g_object_get(tag_object, "foreground-gdk", &foreground_color, NULL);
- if(b_set)
- g_object_get(tag_object, "background-gdk", &background_color, NULL);
-
- if(b_set)
- g_object_set(tag_object, "foreground-gdk", background_color, NULL);
- else
- g_object_set(tag_object, "foreground", "#ffffff", NULL);
-
- if(f_set)
- g_object_set(tag_object, "background-gdk", foreground_color, NULL);
- else
- g_object_set(tag_object, "background", "#000000", NULL);
-
- g_object_set_data( tag_object, "reverse-color", GINT_TO_POINTER(val != 0) );
+ GdkColor *temp = current_foreground;
+ current_foreground = current_background;
+ current_background = temp;
}
+
+ g_object_set(tag,
+ "foreground-gdk", current_foreground,
+ "foreground-set", TRUE,
+ "background-gdk", current_background,
+ "background-set", TRUE,
+ NULL
+ );
+
+ g_object_set_data( tag_object, "reverse-color", GINT_TO_POINTER(val != 0) );
break;
+ }
default:
WARNING("Unknown style hint");
query_tag(GtkTextTag *tag, glui32 wintype, glui32 hint)
{
gint intval;
+ gdouble doubleval;
GdkColor *colval;
g_return_val_if_fail(tag != NULL, 0);
- ChimaraGlkPrivate *glk_data = g_private_get(glk_data_key);
+ ChimaraGlkPrivate *glk_data = g_private_get(&glk_data_key);
switch(hint) {
case stylehint_Indentation:
}
case stylehint_Size:
- g_object_get(tag, "size", &intval, NULL);
- return (intval/2)-14;
+ g_object_get(tag, "scale", &doubleval, NULL);
+ return (gint)round(log(doubleval) / log(1.2));
case stylehint_Oblique:
g_object_get(tag, "style", &intval , 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);
void
glk_stylehint_set(glui32 wintype, glui32 styl, glui32 hint, glsi32 val)
{
- ChimaraGlkPrivate *glk_data = g_private_get(glk_data_key);
+#ifdef DEBUG_STYLES
+ g_printf("glk_stylehint_set(wintype=%d, styl=%d, hint=%d, val=%d)\n", wintype, styl, hint, val);
+#endif
+
+ ChimaraGlkPrivate *glk_data = g_private_get(&glk_data_key);
GtkTextTag *to_change;
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) );
+ apply_stylehint_to_tag(to_change, wintype_TextBuffer, styl, 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) );
+ apply_stylehint_to_tag(to_change, wintype_TextGrid, styl, hint, val);
}
}
void
glk_stylehint_clear(glui32 wintype, glui32 styl, glui32 hint)
{
- ChimaraGlkPrivate *glk_data = g_private_get(glk_data_key);
+#ifdef DEBUG_STYLES
+ g_printf("glk_stylehint_clear(wintype=%d, styl=%d, hint=%d)\n", wintype, styl, hint);
+#endif
+
+ ChimaraGlkPrivate *glk_data = g_private_get(&glk_data_key);
GtkTextTag *tag;
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;
}
glui32
glk_style_distinguish(winid_t win, glui32 styl1, glui32 styl2)
{
+#ifdef DEBUG_STYLES
+ g_printf("glk_style_distinguish(win->rock=%d, styl1=%d, styl2=%d)\n", win->rock, styl1, styl2);
+#endif
+
/* FIXME */
return styl1 != styl2;
}
* colors are reversed.</para></listitem>
* </varlistentry>
* </variablelist>
+ * Signed values, such as the %stylehint_Weight value, are cast to
+ * <type>glui32</type>. They may be cast to <type>glsi32</type> to be dealt with
+ * in a more natural context.
*
* Returns: TRUE upon successul retrieval, otherwise FALSE.
*/
glui32
glk_style_measure(winid_t win, glui32 styl, glui32 hint, glui32 *result)
{
- ChimaraGlkPrivate *glk_data = g_private_get(glk_data_key);
+#ifdef DEBUG_STYLES
+ g_printf("glk_style_measure(win->rock=%d, styl=%d, hint=%d, result=...)\n", win->rock, styl, hint);
+#endif
+
+ ChimaraGlkPrivate *glk_data = g_private_get(&glk_data_key);
GtkTextTag *tag;
switch(win->type) {
case wintype_TextBuffer:
- tag = g_hash_table_lookup( glk_data->current_styles->text_buffer, get_tag_name(styl) );
+ 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) );
+ 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:
PangoFontDescription *
get_current_font(guint32 wintype)
{
- ChimaraGlkPrivate *glk_data = g_private_get(glk_data_key);
- GtkTextTag *normal;
+ ChimaraGlkPrivate *glk_data = g_private_get(&glk_data_key);
+ GHashTable *styles, *glk_styles;
+ PangoFontDescription *font;
switch(wintype) {
case wintype_TextGrid:
- normal = g_hash_table_lookup(glk_data->current_styles->text_grid, "normal");
+ styles = glk_data->styles->text_grid;
+ glk_styles = glk_data->glk_styles->text_grid;
+ font = pango_font_description_from_string("Monospace");
break;
case wintype_TextBuffer:
- normal = g_hash_table_lookup(glk_data->current_styles->text_buffer, "normal");
+ styles = glk_data->styles->text_buffer;
+ glk_styles = glk_data->glk_styles->text_buffer;
+ font = pango_font_description_from_string("Serif");
break;
default:
return NULL;
}
- PangoFontDescription *font;
- g_object_get( G_OBJECT(normal), "font-desc", &font, NULL );
+ PangoAttrList *list = pango_attr_list_new();
+
+ text_tag_to_attr_list( g_hash_table_lookup(styles, "default"), list );
+ PangoAttrIterator *it = pango_attr_list_get_iterator(list);
+ pango_attr_iterator_get_font(it, font, NULL, NULL);
+ pango_attr_iterator_destroy(it);
+
+ text_tag_to_attr_list( g_hash_table_lookup(styles, "normal"), list );
+ it = pango_attr_list_get_iterator(list);
+ pango_attr_iterator_get_font(it, font, NULL, NULL);
+ pango_attr_iterator_destroy(it);
+
+ text_tag_to_attr_list( g_hash_table_lookup(glk_styles, "glk-normal"), list );
+ it = pango_attr_list_get_iterator(list);
+ pango_attr_iterator_get_font(it, font, NULL, NULL);
+ pango_attr_iterator_destroy(it);
+
+ /* Make a copy of the family, preventing it's destruction at the end of this function. */
+ pango_font_description_set_family( font, pango_font_description_get_family(font) );
+
+ pango_attr_list_unref(list);
return font;
}
}
/* Font description updates the following properties simultaniously:
- * family, style, weight, variant, stretch, size
+ * family, style, weight, variant, stretch, size.
+ * FIXME: Except it doesn't really.
*/
g_object_get(tag, "font-desc", &font_desc, NULL);
pango_attr_list_insert(
);
}
}
+
+/* Determine the current colors used to render the text for a given stream.
+ * This can be set in a number of places */
+static void
+style_cascade_colors(GtkTextTag *tag, GtkTextTag *glk_tag, GtkTextTag *default_tag, GdkColor **foreground, GdkColor **background)
+{
+ gboolean foreground_set = FALSE;
+ gboolean background_set = FALSE;
+ gint reverse_color;
+
+ // Default color
+ reverse_color = GPOINTER_TO_INT( g_object_get_data(G_OBJECT(default_tag), "reverse-color") );
+ g_object_get(default_tag, "foreground-set", &foreground_set, "background-set", &background_set, NULL);
+ if(foreground_set)
+ g_object_get(default_tag, "foreground-gdk", reverse_color ? background:foreground, NULL);
+ if(background_set)
+ g_object_get(default_tag, "background-gdk", reverse_color ? foreground:background, NULL);
+
+ // Player defined color
+ reverse_color = GPOINTER_TO_INT( g_object_get_data(G_OBJECT(tag), "reverse-color") );
+ g_object_get(tag, "foreground-set", &foreground_set, "background-set", &background_set, NULL);
+ if(foreground_set)
+ g_object_get(tag, "foreground-gdk", reverse_color ? background:foreground, NULL);
+ if(background_set)
+ g_object_get(tag, "background-gdk", reverse_color ? foreground:background, NULL);
+
+ // GLK defined color
+ reverse_color = GPOINTER_TO_INT( g_object_get_data(G_OBJECT(glk_tag), "reverse-color") );
+ g_object_get(glk_tag, "foreground-set", &foreground_set, "background-set", &background_set, NULL);
+ if(foreground_set)
+ g_object_get(glk_tag, "foreground-gdk", reverse_color ? background:foreground, NULL);
+ if(background_set)
+ g_object_get(glk_tag, "background-gdk", reverse_color ? foreground:background, NULL);
+
+}
+
+/* Determine the current colors used to render the text for a given stream.
+ * This can be set in a number of places */
+void
+style_stream_colors(strid_t str, GdkColor **foreground, GdkColor **background)
+{
+ VALID_STREAM(str, return);
+ g_return_if_fail(str->window != NULL);
+ g_return_if_fail(str->window->type != wintype_TextBuffer || str->window->type != wintype_TextGrid);
+
+ GtkTextBuffer *buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(str->window->widget) );
+ GtkTextTagTable *tags = gtk_text_buffer_get_tag_table(buffer);
+ GtkTextTag* default_tag = gtk_text_tag_table_lookup(tags, "default");
+ GtkTextTag* tag = gtk_text_tag_table_lookup(tags, str->style);
+ GtkTextTag* glk_tag = gtk_text_tag_table_lookup(tags, str->glk_style);
+
+ style_cascade_colors(tag, glk_tag, default_tag, foreground, background);
+
+ gboolean foreground_set, background_set;
+
+ // Windows can have zcolors defined
+ if(str->window->zcolor) {
+ g_object_get(str->window->zcolor, "foreground-set", &foreground_set, "background-set", &background_set, NULL);
+ if(foreground_set)
+ g_object_get(str->window->zcolor, "foreground-gdk", foreground, NULL);
+ if(background_set)
+ g_object_get(str->window->zcolor, "background-gdk", background, NULL);
+ }
+}
+
+/* Apply styles to a segment of text in a GtkTextBuffer, combining multiple
+ * GtkTextTags.
+ */
+void
+style_apply(winid_t win, GtkTextIter *start, GtkTextIter *end)
+{
+ GtkTextBuffer *buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(win->widget) );
+ GtkTextTagTable *tags = gtk_text_buffer_get_tag_table(buffer);
+
+ GtkTextTag *default_tag = gtk_text_tag_table_lookup(tags, "default");
+ GtkTextTag *style_tag = gtk_text_tag_table_lookup(tags, win->window_stream->style);
+ GtkTextTag *glk_style_tag = gtk_text_tag_table_lookup(tags, win->window_stream->glk_style);
+
+ // Player's style overrides
+ gtk_text_buffer_apply_tag(buffer, style_tag, start, end);
+
+ // GLK Program's style overrides
+ gtk_text_buffer_apply_tag(buffer, glk_style_tag, start, end);
+
+ // Default style
+ gtk_text_buffer_apply_tag(buffer, default_tag, start, end);
+
+ // Link style overrides
+ if(win->window_stream->hyperlink_mode) {
+ GtkTextTag *link_style_tag = gtk_text_tag_table_lookup(tags, "hyperlink");
+ GtkTextTag *link_tag = win->current_hyperlink->tag;
+ gtk_text_buffer_apply_tag(buffer, link_style_tag, start, end);
+ gtk_text_buffer_apply_tag(buffer, link_tag, start, end);
+ }
+
+ // GLK Program's style overrides using garglk_set_zcolors()
+ if(win->zcolor != NULL) {
+ gtk_text_buffer_apply_tag(buffer, win->zcolor, start, end);
+ }
+
+ // GLK Program's style overrides using garglk_set_reversevideo()
+ if(win->zcolor_reversed != NULL) {
+ gtk_text_buffer_apply_tag(buffer, win->zcolor_reversed, start, end);
+ }
+}
+
projects / projects / chimara / chimara.git / blobdiff