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Beef up the tabs demo

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Show various alignments, including numeric.
This commit is contained in:
Matthias Clasen 2021-11-29 09:25:32 -05:00
parent 4058b80d56
commit b9c2a925e2
1 changed files with 11 additions and 5 deletions
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16
demos/gtk-demo/tabs.c
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@ -1,6 +1,11 @@
/* Text View/Tabs
*
* GtkTextView can position text at fixed positions, using tabs.
* Tabs can specify alignment, and also allow aligning numbers
* on the decimal point.
*
* The example here has three tabs, with left, numeric and right
* alignment.
*/
#include <gtk/gtk.h>
@ -22,7 +27,7 @@ do_tabs (GtkWidget *do_widget)
gtk_window_set_title (GTK_WINDOW (window), "Tabs");
gtk_window_set_display (GTK_WINDOW (window),
gtk_widget_get_display (do_widget));
gtk_window_set_default_size (GTK_WINDOW (window), 330, 330);
gtk_window_set_default_size (GTK_WINDOW (window), 330, 130);
gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
@ -35,17 +40,18 @@ do_tabs (GtkWidget *do_widget)
tabs = pango_tab_array_new (3, TRUE);
pango_tab_array_set_tab (tabs, 0, PANGO_TAB_LEFT, 0);
pango_tab_array_set_tab (tabs, 1, PANGO_TAB_LEFT, 100);
pango_tab_array_set_tab (tabs, 2, PANGO_TAB_LEFT, 200);
pango_tab_array_set_tab (tabs, 1, PANGO_TAB_DECIMAL, 150);
pango_tab_array_set_decimal_point (tabs, 1, '.');
pango_tab_array_set_tab (tabs, 2, PANGO_TAB_RIGHT, 290);
gtk_text_view_set_tabs (GTK_TEXT_VIEW (view), tabs);
pango_tab_array_free (tabs);
buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
gtk_text_buffer_set_text (buffer, "one\ttwo\tthree\nfour\tfive\tsix\nseven\teight\tnine", -1);
gtk_text_buffer_set_text (buffer, "one\t2.0\tthree\nfour\t5.555\tsix\nseven\t88.88\tnine", -1);
sw = gtk_scrolled_window_new ();
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_NEVER,
GTK_POLICY_AUTOMATIC);
gtk_window_set_child (GTK_WINDOW (window), sw);
gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), view);