mirror of
https://gitlab.gnome.org/GNOME/gtk.git
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65 lines
2.0 KiB
C
65 lines
2.0 KiB
C
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/* Text Widget/Markup
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*
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* GtkTextBuffer lets you define your own tags that can influence
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* text formatting in a variety of ways. In this example, we show
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* that GtkTextBuffer can load Pango markup and automatically generate
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* suitable tags.
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*/
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#include <gtk/gtk.h>
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GtkWidget *
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do_markup (GtkWidget *do_widget)
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{
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static GtkWidget *window = NULL;
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if (!window)
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{
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GtkWidget *view;
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GtkWidget *sw;
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GtkTextBuffer *buffer;
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GtkTextIter iter;
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GBytes *bytes;
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const gchar *markup;
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window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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gtk_window_set_screen (GTK_WINDOW (window),
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gtk_widget_get_screen (do_widget));
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gtk_window_set_default_size (GTK_WINDOW (window), 450, 400);
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g_signal_connect (window, "destroy",
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G_CALLBACK (gtk_widget_destroyed), &window);
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gtk_window_set_title (GTK_WINDOW (window), "Markup");
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view = gtk_text_view_new ();
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gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (view), GTK_WRAP_WORD);
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gtk_text_view_set_left_margin (GTK_TEXT_VIEW (view), 10);
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gtk_text_view_set_right_margin (GTK_TEXT_VIEW (view), 10);
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sw = gtk_scrolled_window_new (NULL, NULL);
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gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
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GTK_POLICY_NEVER,
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GTK_POLICY_AUTOMATIC);
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gtk_container_add (GTK_CONTAINER (window), sw);
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gtk_container_add (GTK_CONTAINER (sw), view);
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bytes = g_resources_lookup_data ("/markup/markup.txt", 0, NULL);
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markup = (const gchar *)g_bytes_get_data (bytes, NULL);
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buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
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gtk_text_buffer_get_start_iter (buffer, &iter);
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gtk_text_buffer_insert_markup (buffer, &iter, markup, -1);
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g_bytes_unref (bytes);
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gtk_widget_show_all (sw);
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}
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if (!gtk_widget_get_visible (window))
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gtk_widget_show (window);
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else
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gtk_widget_destroy (window);
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return window;
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}
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