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testdatatable: Add a --pages option

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That way, local scrolling is available and the scrolling isn't random.

Recycling should now involve reordering the recycled widgets instead of
just keeping their order because all of them got recycled.
This commit is contained in:
Benjamin Otte 2023-03-30 07:43:12 +02:00
parent 708e067617
commit 00cb4c66cf
1 changed files with 30 additions and 4 deletions
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34
tests/testdatatable.c
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@ -5,6 +5,11 @@
#include "frame-stats.h"
static gboolean no_auto_scroll = FALSE;
static gint n_columns = 20;
static double scroll_pages = 0;
/* This is our dummy item for the model. */
#define DATA_TABLE_TYPE_ITEM (data_table_item_get_type ())
G_DECLARE_FINAL_TYPE (DataTableItem, data_table_item, DATA_TABLE, ITEM, GObject)
@ -48,6 +53,18 @@ set_adjustment_to_fraction (GtkAdjustment *adjustment,
fraction * (upper - page_size));
}
static void
move_adjustment_by_pages (GtkAdjustment *adjustment,
double n_pages)
{
double page_size = gtk_adjustment_get_page_size (adjustment);
double value = gtk_adjustment_get_value (adjustment);
value += page_size * n_pages;
/* the adjustment will clamp properly */
gtk_adjustment_set_value (adjustment, value);
}
static gboolean
scroll_column_view (GtkWidget *column_view,
GdkFrameClock *frame_clock,
@ -57,7 +74,10 @@ scroll_column_view (GtkWidget *column_view,
vadjustment = gtk_scrollable_get_vadjustment (GTK_SCROLLABLE (column_view));
set_adjustment_to_fraction (vadjustment, g_random_double ());
if (scroll_pages == 0.0)
set_adjustment_to_fraction (vadjustment, g_random_double ());
else
move_adjustment_by_pages (vadjustment, (g_random_double () * 2 - 1) * scroll_pages);
return TRUE;
}
@ -172,9 +192,6 @@ parse_widget_arg (const gchar* option_name,
}
}
static gboolean no_auto_scroll = FALSE;
static gint n_columns = 20;
static GOptionEntry options[] = {
{
"widget",
@ -203,6 +220,15 @@ static GOptionEntry options[] = {
"Column count",
"COUNT"
},
{
"pages",
'p',
G_OPTION_FLAG_NONE,
G_OPTION_ARG_DOUBLE,
&scroll_pages,
"Maximum number of pages to scroll (or 0 for random)",
"COUNT"
},
{ NULL }
};