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gtk-demo: Cosmetic improvements to the expander demo

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Set the textview up like our other readonly textviews.

Also sneak in a little easter egg.
This commit is contained in:
Matthias Clasen 2020-08-09 16:46:38 -04:00
parent b69dc3d054
commit 230107cd84
1 changed files with 34 additions and 2 deletions
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36
demos/gtk-demo/expander.c
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@ -35,6 +35,10 @@ do_expander (GtkWidget *do_widget)
GtkWidget *sw;
GtkWidget *tv;
GtkTextBuffer *buffer;
GtkTextIter start;
GtkTextIter end;
GtkTextTag *tag;
GdkPaintable *paintable;
if (!window)
{
@ -64,12 +68,25 @@ do_expander (GtkWidget *do_widget)
GTK_POLICY_NEVER,
GTK_POLICY_AUTOMATIC);
gtk_scrolled_window_set_propagate_natural_height (GTK_SCROLLED_WINDOW (sw), TRUE);
gtk_widget_set_vexpand (sw, TRUE);
tv = gtk_text_view_new ();
g_object_set (tv,
"left-margin", 10,
"right-margin", 10,
"top-margin", 10,
"bottom-margin", 10,
NULL);
buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (tv));
gtk_text_view_set_editable (GTK_TEXT_VIEW (tv), FALSE);
gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (tv), FALSE);
gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (tv), GTK_WRAP_WORD);
gtk_text_buffer_set_text (GTK_TEXT_BUFFER (buffer),
gtk_text_view_set_pixels_above_lines (GTK_TEXT_VIEW (tv), 2);
gtk_text_view_set_pixels_below_lines (GTK_TEXT_VIEW (tv), 2);
gtk_text_buffer_set_text (buffer,
"Finally, the full story with all details. "
"And all the inside information, including "
"error codes, etc etc. Pages of information, "
@ -77,7 +94,22 @@ do_expander (GtkWidget *do_widget)
"or even resize the window - it works !\n"
"A second paragraph will contain even more "
"innuendo, just to make you scroll down or "
"resize the window. Do it already !", -1);
"resize the window.\n"
"Do it already!\n", -1);
gtk_text_buffer_get_end_iter (buffer, &start);
paintable = GDK_PAINTABLE (gdk_texture_new_from_resource ("/cursors/gtk_logo_cursor.png"));
gtk_text_buffer_insert_paintable (buffer, &start, paintable);
g_object_unref (paintable);
gtk_text_iter_backward_char (&start);
gtk_text_buffer_get_end_iter (buffer, &end);
tag = gtk_text_buffer_create_tag (buffer, NULL,
"pixels-above-lines", 200,
"justification", GTK_JUSTIFY_RIGHT,
NULL);
gtk_text_buffer_apply_tag (buffer, tag, &start, &end);
gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), tv);
gtk_expander_set_child (GTK_EXPANDER (expander), sw);
gtk_box_append (GTK_BOX (area), expander);