302 lines
8.3 KiB
C
302 lines
8.3 KiB
C
#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <string.h>
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#include "gm-source-style-scheme.h"
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#include "gm-color-table.h"
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#include "gm-app.h"
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#include "gm-support.h"
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#include "gm-debug.h"
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#define GM_TYPE_SOURCE_STYLE_SCHEME (gm_source_style_scheme_get_type ())
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#define GM_SOURCE_STYLE_SCHEME(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GM_TYPE_SOURCE_STYLE_SCHEME, GmSourceStyleScheme))
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#define GM_SOURCE_STYLE_SCHEME_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GM_TYPE_SOURCE_STYLE_SCHEME, GmSourceStyleSchemeClass))
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#define GM_IS_SOURCE_STYLE_SCHEME(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GM_TYPE_SOURCE_STYLE_SCHEME))
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#define GM_IS_SOURCE_STYLE_SCHEME_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GM_TYPE_SOURCE_STYLE_SCHEME))
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#define GM_SOURCE_STYLE_SCHEME_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GM_TYPE_SOURCE_STYLE_SCHEME, GmSourceStyleSchemeClass))
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typedef struct _GmSourceStyleScheme GmSourceStyleScheme;
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typedef struct _GmSourceStyleSchemeClass GmSourceStyleSchemeClass;
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struct _GmSourceStyleScheme {
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GObject parent_instance;
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GHashTable *mapping;
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GHashTable *styles;
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};
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struct _GmSourceStyleSchemeClass {
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GObjectClass parent_class;
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};
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static GObjectClass *parent_class = NULL;
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static GType gm_source_style_scheme_get_type (void);
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static void gm_source_style_scheme_class_init(GmSourceStyleSchemeClass *klass);
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static void gm_source_style_scheme_IFace_init(GtkSourceStyleSchemeClass *iface);
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static void gm_source_style_scheme_init(GmSourceStyleScheme *scheme);
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static void gm_source_style_scheme_finalize(GObject *object);
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static GtkSourceTagStyle *gm_source_style_scheme_get_tag_style(
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GtkSourceStyleScheme *scheme, const gchar *style_name);
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static const gchar *gm_source_style_scheme_get_name(GtkSourceStyleScheme *scheme);
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static GSList *gm_source_style_scheme_get_style_names(GtkSourceStyleScheme *scheme);
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static GType
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gm_source_style_scheme_get_type (void)
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{
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static GType type = 0;
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if (!type)
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{
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static const GTypeInfo info =
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{
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sizeof (GmSourceStyleSchemeClass),
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NULL, /* base_init */
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NULL, /* base_finalize */
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(GClassInitFunc) gm_source_style_scheme_class_init,
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NULL, /* class_finalize */
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NULL, /* class_data */
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sizeof (GmSourceStyleScheme),
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0, /* n_preallocs */
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(GInstanceInitFunc) gm_source_style_scheme_init,
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};
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static const GInterfaceInfo iface_info =
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{
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(GInterfaceInitFunc) gm_source_style_scheme_IFace_init, /* interface_init */
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NULL, /* interface_finalize */
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NULL /* interface_data */
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};
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type = g_type_register_static (G_TYPE_OBJECT,
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"GmSourceStyleScheme",
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&info,
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0);
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g_type_add_interface_static (type,
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GTK_TYPE_SOURCE_STYLE_SCHEME,
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&iface_info);
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}
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return type;
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}
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static void
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gm_source_style_scheme_class_init(GmSourceStyleSchemeClass *klass) {
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GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
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parent_class = g_type_class_peek_parent(klass);
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gobject_class->finalize = gm_source_style_scheme_finalize;
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}
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static void
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gm_source_style_scheme_IFace_init(GtkSourceStyleSchemeClass *iface) {
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iface->get_tag_style = gm_source_style_scheme_get_tag_style;
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iface->get_name = gm_source_style_scheme_get_name;
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iface->get_style_names = gm_source_style_scheme_get_style_names;
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}
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static GtkSourceTagStyle *
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new_tag_style(gchar const * foreground, gchar const * background, gboolean bold,
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gboolean italic) {
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GtkSourceTagStyle *ts;
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ts = gtk_source_tag_style_new();
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gdk_color_parse(foreground, &ts->foreground);
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ts->mask |= GTK_SOURCE_TAG_STYLE_USE_FOREGROUND;
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if (background != NULL) {
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gdk_color_parse (background, &ts->background);
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ts->mask |= GTK_SOURCE_TAG_STYLE_USE_BACKGROUND;
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}
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ts->italic = italic;
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ts->bold = bold;
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ts->is_default = TRUE;
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return ts;
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}
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typedef struct _GmSourceStyleEntry {
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gchar const *name;
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gchar const *color_name;
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gboolean bold;
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gboolean italic;
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} GmSourceStyleEntry;
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static GmSourceStyleEntry entries[] = {
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{"Base-N Integer", "fg_purple_h"},
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{"Character", "fg_purple_h"},
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{"Comment", "fg_blue_h"},
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{"Data Type", "fg_cyan", TRUE},
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{"Function", "fg_green"},
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{"Decimal", "fg_purple_h"},
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{"Floating Point", "fg_purple_h"},
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{"Keyword", "fg_red", TRUE},
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{"String", "fg_purple_h"},
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{NULL, NULL}
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};
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static GmKeyValuePair mapping[] = {
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{"fg_purple_h", "Object@32@Number String"},
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{"fg_cyan", "Builtin@32@Variables Types S-Ref Error"},
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{"fg_green", "Builtin@32@Functions"},
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{"fg_blue_h", "Line@32@Comment"},
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{"fg_red", "Keywords"},
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{NULL, NULL}
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};
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static void
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gm_source_style_scheme_init_mapping(GmSourceStyleScheme *scheme) {
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GmKeyValuePair *entry;
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scheme->mapping = g_hash_table_new_full(g_str_hash, g_str_equal, g_free,
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(GDestroyNotify)g_strfreev);
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for (entry = mapping; entry->key; ++entry) {
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g_hash_table_insert(scheme->mapping, g_strdup(entry->key),
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g_strsplit(entry->value, " ", 0));
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}
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}
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static void
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gm_source_style_scheme_init(GmSourceStyleScheme *scheme) {
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GtkSourceTagStyle *ts;
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GmColorTable *table = gm_app_color_table(gm_app_instance());
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GmSourceStyleEntry *entry;
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scheme->styles = g_hash_table_new_full((GHashFunc)g_str_hash,
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(GEqualFunc)g_str_equal, (GDestroyNotify)g_free,
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(GDestroyNotify)gtk_source_tag_style_free);
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for (entry = entries; entry->name; ++entry) {
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ts = new_tag_style(gm_color_table_get_hex(table, entry->color_name),
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NULL, entry->bold, entry->italic);
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g_hash_table_insert(scheme->styles, g_strdup(entry->name), ts);
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}
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gm_source_style_scheme_init_mapping(scheme);
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}
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static void
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gm_source_style_scheme_finalize(GObject *object) {
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GmSourceStyleScheme *scheme = GM_SOURCE_STYLE_SCHEME(object);
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g_hash_table_destroy(scheme->styles);
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g_hash_table_destroy(scheme->mapping);
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G_OBJECT_CLASS(parent_class)->finalize (object);
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}
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static GtkSourceTagStyle *
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gm_source_style_scheme_get_tag_style(GtkSourceStyleScheme *scheme,
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const gchar *style_name) {
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GmSourceStyleScheme *ds;
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const gpointer *style;
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g_return_val_if_fail(GM_IS_SOURCE_STYLE_SCHEME(scheme), NULL);
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g_return_val_if_fail(style_name != NULL, NULL);
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ds = GM_SOURCE_STYLE_SCHEME(scheme);
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style = g_hash_table_lookup(ds->styles, style_name);
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return (style != NULL) ? gtk_source_tag_style_copy((GtkSourceTagStyle *)style) : NULL;
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}
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static const gchar *
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gm_source_style_scheme_get_name(GtkSourceStyleScheme *scheme) {
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g_return_val_if_fail(GTK_IS_SOURCE_STYLE_SCHEME(scheme), NULL);
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return _("Gnoemoe");
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}
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static void
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add_style_name(gpointer key, gpointer value, gpointer user_data) {
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GSList **l = user_data;
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*l = g_slist_append(*l, g_strdup(key));
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}
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static GSList *
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gm_source_style_scheme_get_style_names(GtkSourceStyleScheme *scheme) {
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GmSourceStyleScheme *ds;
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GSList *l = NULL;
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g_return_val_if_fail(GTK_IS_SOURCE_STYLE_SCHEME(scheme), NULL);
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ds = GM_SOURCE_STYLE_SCHEME(scheme);
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g_hash_table_foreach(ds->styles, add_style_name, &l);
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return l;
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}
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/* Default style scheme */
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static GtkSourceStyleScheme *gm_style_scheme = NULL;
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static void
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on_gm_source_style_scheme_color_changed(GmColorTable *table,
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gchar const *color) {
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gchar **ids;
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gchar const *hex = gm_color_table_get_hex(table, color);
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GmSourceStyleEntry *entry;
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GtkSourceTagStyle *style;
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for (entry = entries; entry->name; ++entry) {
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if (strcmp(entry->color_name, color) == 0) {
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style = g_hash_table_lookup(
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GM_SOURCE_STYLE_SCHEME(gm_style_scheme)->styles,
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entry->name);
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if (style != NULL) {
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gdk_color_parse(hex, &(style->foreground));
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}
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}
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}
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ids = g_hash_table_lookup(GM_SOURCE_STYLE_SCHEME(gm_style_scheme)->mapping,
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color);
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if (ids) {
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for (; *ids; ++ids) {
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g_signal_emit_by_name(gm_style_scheme, "style_changed",
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*ids);
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}
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}
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}
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void
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gm_source_style_weak_destroy(gpointer data, GObject *object) {
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g_signal_handlers_disconnect_by_func(gm_app_color_table(gm_app_instance()),
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on_gm_source_style_scheme_color_changed, NULL);
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gm_style_scheme = NULL;
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}
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GtkSourceStyleScheme *
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gm_source_style_scheme_get_default(void) {
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if (gm_style_scheme == NULL) {
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gm_style_scheme = g_object_new(GM_TYPE_SOURCE_STYLE_SCHEME,
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NULL);
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g_object_weak_ref(G_OBJECT(gm_style_scheme),
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gm_source_style_weak_destroy, NULL);
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g_signal_connect(gm_app_color_table(gm_app_instance()),
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"color-changed",
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G_CALLBACK(on_gm_source_style_scheme_color_changed), NULL);
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} else {
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g_object_ref(gm_style_scheme);
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}
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return gm_style_scheme;
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}
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