+++ /dev/null
-#include "style.h"
-
-extern ChimaraGlkPrivate *glk_data;
-
-/**
- * glk_set_style:
- * @styl The style to apply
- *
- * This changes the style of the current output stream. After a style change,
- * new text which is printed to that stream will be given the new style. For a
- * window stream, the text will appear in that style. For other types of
- * streams, this has no effect.
- */
-void
-glk_set_style(glui32 style)
-{
- g_return_if_fail(glk_data->current_stream != NULL);
- glk_set_style_stream(glk_data->current_stream, style);
-}
-
-/* Internal function: mapping from style enum to tag name */
-gchar*
-get_tag_name(glui32 style)
-{
- switch(style) {
- case style_Normal: return "normal";
- case style_Emphasized: return "emphasized";
- case style_Preformatted: return "preformatted";
- case style_Header: return "header";
- case style_Subheader: return "subheader";
- case style_Alert: return "alert";
- case style_Note: return "note";
- case style_BlockQuote: return "block-quote";
- case style_Input: return "input";
- case style_User1: return "user1";
- case style_User2: return "user2";
- }
-
- WARNING("Unsupported style");
- return "normal";
-}
-
-void
-glk_set_style_stream(strid_t stream, glui32 style) {
- stream->style = get_tag_name(style);
-}
-
-/* Internal function: call this to initialize the default styles to a textbuffer. */
-void
-style_init_textbuffer(GtkTextBuffer *buffer)
-{
- g_return_if_fail(buffer != NULL);
-
- gtk_text_buffer_create_tag(buffer, "normal", NULL);
- gtk_text_buffer_create_tag(buffer, "emphasized", "style", PANGO_STYLE_ITALIC, NULL);
- gtk_text_buffer_create_tag(buffer, "preformatted", "font-desc", glk_data->monospace_font_desc, NULL);
- gtk_text_buffer_create_tag(buffer, "header", "size-points", 16.0, "weight", PANGO_WEIGHT_BOLD, NULL);
- gtk_text_buffer_create_tag(buffer, "subheader", "size-points", 12.0, "weight", PANGO_WEIGHT_BOLD, NULL);
- gtk_text_buffer_create_tag(buffer, "alert", "foreground", "#aa0000", "weight", PANGO_WEIGHT_BOLD, NULL);
- gtk_text_buffer_create_tag(buffer, "note", "foreground", "#aaaa00", "weight", PANGO_WEIGHT_BOLD, NULL);
- gtk_text_buffer_create_tag(buffer, "block-quote", "justification", GTK_JUSTIFY_CENTER, "style", PANGO_STYLE_ITALIC, NULL);
- gtk_text_buffer_create_tag(buffer, "input", NULL);
- gtk_text_buffer_create_tag(buffer, "user1", NULL);
- gtk_text_buffer_create_tag(buffer, "user2", NULL);
-}
-
-void
-color_format(glui32 val, gchar *buffer)
-{
- sprintf(buffer, "#%02X%02X%02X",
- ((val & 0xff0000) >> 16),
- ((val & 0x00ff00) >> 8),
- (val & 0x0000ff)
- );
-}
-
-/* Internal function: changes a GTK tag to correspond with the given style. */
-void
-apply_stylehint_to_tag(GtkTextTag *tag, glui32 hint, glsi32 val)
-{
- g_return_if_fail(tag != NULL);
-
- GObject *tag_object = G_OBJECT(tag);
- gint reverse_color = 0;
-
- /* FIXME where should we keep track of this?
- g_object_get(tag, "reverse_color", &reverse_color, NULL);
- */
-
- int i = 0;
- gchar color[20];
- switch(hint) {
- case stylehint_Indentation:
- g_object_set(tag_object, "left_margin", 5*val, NULL);
- g_object_set(tag_object, "right_margin", 5*val, NULL);
- break;
-
- case stylehint_ParaIndentation:
- g_object_set(tag_object, "indent", 5*val, NULL);
- break;
-
- case stylehint_Justification:
- switch(val) {
- case stylehint_just_LeftFlush: i = GTK_JUSTIFY_LEFT; break;
- case stylehint_just_LeftRight: i = GTK_JUSTIFY_FILL; break;
- case stylehint_just_Centered: i = GTK_JUSTIFY_CENTER; break;
- case stylehint_just_RightFlush: i = GTK_JUSTIFY_RIGHT; break;
- default:
- WARNING("Unknown justification");
- i = GTK_JUSTIFY_LEFT;
- }
- g_object_set(tag_object, "justification", i, NULL);
- break;
-
- case stylehint_Weight:
- switch(val) {
- case -1: i = PANGO_WEIGHT_LIGHT; break;
- case 0: i = PANGO_WEIGHT_NORMAL; break;
- case 1: i = PANGO_WEIGHT_BOLD; break;
- default: WARNING("Unknown font weight");
- }
- g_object_set(tag_object, "weight", i, NULL);
- break;
-
- case stylehint_Size:
- g_object_set(tag_object, "size", 14+(2*val), NULL);
- break;
-
- case stylehint_Oblique:
- g_object_set(tag_object, "style", val ? PANGO_STYLE_ITALIC : PANGO_STYLE_NORMAL, NULL);
- break;
-
- case stylehint_Proportional:
- g_object_set(tag_object, "font-desc", val ? glk_data->default_font_desc : glk_data->monospace_font_desc, NULL);
- break;
-
- case stylehint_TextColor:
- color_format(val, color);
-
- if(!reverse_color)
- g_object_set(tag_object, "foreground", color, NULL);
- else
- g_object_set(tag_object, "background", color, NULL);
-
- break;
-
- case stylehint_BackColor:
- color_format(val, color);
-
- if(!reverse_color)
- g_object_set(tag_object, "background", color, NULL);
- else
- g_object_set(tag_object, "foreground", color, NULL);
-
- break;
-
- case stylehint_ReverseColor:
- if(reverse_color != val) {
- /* Flip the fore- and background colors */
- gchar* foreground_color;
- gchar* background_color;
- g_object_get(tag_object, "foreground", &foreground_color, NULL);
- g_object_get(tag_object, "background", &background_color, NULL);
- g_object_set(tag_object, "foreground", background_color, NULL);
- g_object_set(tag_object, "background", foreground_color, NULL);
- g_free(foreground_color);
- g_free(background_color);
- }
- break;
-
- default:
- WARNING("Unknown style hint");
- }
-}
-
-void
-glk_stylehint_set(glui32 wintype, glui32 style, glui32 hint, glsi32 val)
-{
-
- gchar *tag_name = get_tag_name(style);
-
- /* Iterate over all the window and update their styles if nessecary */
- winid_t win = glk_window_iterate(NULL, NULL);
- while(win != NULL) {
- if(wintype != wintype_TextBuffer)
- continue; /* FIXME: add support for text grid windows */
-
- if(wintype == wintype_AllTypes || glk_window_get_type(win) == wintype) {
- GtkWidget *textview = win->widget;
- GtkTextBuffer *textbuffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(textview) );
- GtkTextTagTable *table = gtk_text_buffer_get_tag_table(textbuffer);
- GtkTextTag *to_change = gtk_text_tag_table_lookup(table, tag_name);
-
- apply_stylehint_to_tag(to_change, hint, val);
- }
- }
-}
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