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GtkFontChooser: Adding a tree model filter for the search functionality

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This commit is contained in:
Alberto Ruiz 2011-04-16 14:27:31 +01:00 committed by Matthias Clasen
parent ce10919978
commit 76809e128a
1 changed files with 47 additions and 17 deletions
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64
gtk/gtkfontchooser.c
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@ -92,6 +92,9 @@ struct _GtkFontSelectionPrivate
GtkWidget *size_spin; GtkWidget *size_spin;
GtkWidget *preview; GtkWidget *preview;
GtkListStore *model;
GtkTreeModel *filter;
gint size; gint size;
PangoFontFace *face; PangoFontFace *face;
PangoFontFamily *family; PangoFontFamily *family;
@ -132,7 +135,7 @@ struct _GtkFontSelectionDialogPrivate
#define FONT_STYLE_LIST_WIDTH 170 #define FONT_STYLE_LIST_WIDTH 170
#define FONT_SIZE_LIST_WIDTH 60 #define FONT_SIZE_LIST_WIDTH 60
#define ROW_FORMAT_STRING "<span size=\"small\" foreground=\"%s\">%s %s</span>\n<span size=\"large\" font_desc=\"%s\">%s</span>" #define ROW_FORMAT_STRING "<span size=\"small\" foreground=\"%s\">%s <i>%s</i></span>\n<span size=\"large\" font_desc=\"%s\">%s</span>"
/* These are what we use as the standard font sizes, for the size list. /* These are what we use as the standard font sizes, for the size list.
*/ */
@ -355,7 +358,8 @@ gtk_font_selection_init (GtkFontSelection *fontsel)
gtk_font_selection_bootstrap_fontlist (fontsel); gtk_font_selection_bootstrap_fontlist (fontsel);
/* Set default preview text */ /* Set default preview text */
gtk_entry_set_text (GTK_ENTRY (priv->preview), pango_language_get_sample_string (NULL)); gtk_entry_set_text (GTK_ENTRY (priv->preview),
pango_language_get_sample_string (NULL));
gtk_widget_pop_composite_child(); gtk_widget_pop_composite_child();
} }
@ -399,23 +403,20 @@ set_cursor_to_iter (GtkTreeView *view,
} }
static void static void
populate_list (GtkTreeView *treeview) populate_list (GtkTreeView* treeview, GtkListStore* model)
{ {
GtkStyleContext *style_context; GtkStyleContext *style_context;
GdkRGBA g_color; GdkRGBA g_color;
PangoColor p_color; PangoColor p_color;
gchar *color_string; gchar *color_string;
GtkListStore *model; GtkTreeIter match_row;
GtkTreeIter match_row;
gint n_families, i; gint n_families, i;
PangoFontFamily **families; PangoFontFamily **families;
GString *tmp = g_string_new (NULL); GString *tmp = g_string_new (NULL);
model = GTK_LIST_STORE (gtk_tree_view_get_model (treeview));
pango_context_list_families (gtk_widget_get_pango_context (GTK_WIDGET (treeview)), pango_context_list_families (gtk_widget_get_pango_context (GTK_WIDGET (treeview)),
&families, &families,
&n_families); &n_families);
@ -488,21 +489,50 @@ populate_list (GtkTreeView *treeview)
g_free (families); g_free (families);
} }
gboolean
visible_func (GtkTreeModel *model, GtkTreeIter *iter, gpointer data)
{
GtkFontSelectionPrivate *priv = (GtkFontSelectionPrivate*) data;
const gchar *search_text = (const gchar*)gtk_entry_get_text (GTK_ENTRY (priv->search_entry));
gchar *font_name;
gchar *font_name_casefold;
gchar *search_text_casefold;
gtk_tree_model_get (model, iter,
FAMILY_NAME_COLUMN, &font_name,
-1);
if (font_name == NULL)
{
g_free (font_name);
return FALSE;
}
font_name_casefold = g_utf8_casefold (font_name, -1);
search_text_casefold = g_utf8_casefold (search_text, -1);
g_free (search_text_casefold);
g_free (font_name_casefold);
g_free (font_name);
return FALSE;
}
static void static void
gtk_font_selection_bootstrap_fontlist (GtkFontSelection* fontsel) gtk_font_selection_bootstrap_fontlist (GtkFontSelection* fontsel)
{ {
GtkListStore *fonts_model;
GtkTreeView *treeview = GTK_TREE_VIEW (fontsel->priv->family_face_list); GtkTreeView *treeview = GTK_TREE_VIEW (fontsel->priv->family_face_list);
GtkTreeViewColumn *col; GtkTreeViewColumn *col;
fontsel->priv->model = gtk_list_store_new (4,
PANGO_TYPE_FONT_FAMILY,
fonts_model = gtk_list_store_new (4, PANGO_TYPE_FONT_FACE,
PANGO_TYPE_FONT_FAMILY, G_TYPE_STRING,
PANGO_TYPE_FONT_FACE, G_TYPE_STRING);
G_TYPE_STRING, fontsel->priv->filter = gtk_tree_model_filter_new (GTK_TREE_MODEL (fontsel->priv->model),
G_TYPE_STRING); NULL);
gtk_tree_view_set_model (treeview, GTK_TREE_MODEL (fonts_model));
gtk_tree_view_set_model (treeview, GTK_TREE_MODEL (fontsel->priv->filter));
gtk_tree_view_set_rules_hint (treeview, TRUE); gtk_tree_view_set_rules_hint (treeview, TRUE);
gtk_tree_view_set_headers_visible (treeview, FALSE); gtk_tree_view_set_headers_visible (treeview, FALSE);
@ -513,7 +543,7 @@ gtk_font_selection_bootstrap_fontlist (GtkFontSelection* fontsel)
NULL); NULL);
gtk_tree_view_append_column (treeview, col); gtk_tree_view_append_column (treeview, col);
populate_list (treeview); populate_list (treeview, fontsel->priv->model);
} }