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Add a test for animated row insertion/removal

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This is just a crude example for how to use revealers to
animate insertion and removal of rows in a listbox.
This commit is contained in:
Matthias Clasen 2013-08-26 23:06:04 -04:00
parent eed2799bfb
commit 88293f89f0
2 changed files with 128 additions and 0 deletions
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2
tests/Makefile.am
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@ -73,6 +73,7 @@ noinst_PROGRAMS = $(TEST_PROGS) \
testinput \
testkineticscrolling \
testlist \
testlist2 \
testlockbutton \
testmenubutton \
testmountoperation \
@ -202,6 +203,7 @@ testinput_DEPENDENCIES = $(TEST_DEPS)
testimage_DEPENDENCIES = $(TEST_DEPS)
testkineticscrolling_DEPENDENCIES = $(TEST_DEPS)
testlist_DEPENDENCIES = $(TEST_DEPS)
testlist2_DEPENDENCIES = $(TEST_DEPS)
testlockbutton_DEPENDENCIES = $(TEST_DEPS)
testmenubutton_DEPENDENCIES = $(TEST_DEPS)
testmountoperation_DEPENDENCIES = $(TEST_DEPS)

126
tests/testlist2.c Normal file
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@ -0,0 +1,126 @@
#include <gtk/gtk.h>
static void
row_unrevealed (GObject *revealer, GParamSpec *pspec, gpointer data)
{
GtkWidget *row, *list;
row = gtk_widget_get_parent (GTK_WIDGET (revealer));
list = gtk_widget_get_parent (row);
gtk_container_remove (GTK_CONTAINER (list), row);
}
static void
remove_this_row (GtkButton *button, GtkWidget *child)
{
GtkWidget *row, *revealer;
row = gtk_widget_get_parent (child);
revealer = gtk_revealer_new ();
gtk_revealer_set_reveal_child (GTK_REVEALER (revealer), TRUE);
gtk_widget_show (revealer);
gtk_widget_reparent (child, revealer);
gtk_container_add (GTK_CONTAINER (row), revealer);
g_signal_connect (revealer, "notify::child-revealed",
G_CALLBACK (row_unrevealed), NULL);
gtk_revealer_set_reveal_child (GTK_REVEALER (revealer), FALSE);
}
static GtkWidget *create_row (const gchar *label);
static void
row_revealed (GObject *revealer, GParamSpec *pspec, gpointer data)
{
GtkWidget *row, *child;
row = gtk_widget_get_parent (GTK_WIDGET (revealer));
child = gtk_bin_get_child (GTK_BIN (revealer));
g_object_ref (child);
gtk_container_remove (GTK_CONTAINER (revealer), child);
gtk_widget_destroy (GTK_WIDGET (revealer));
gtk_container_add (GTK_CONTAINER (row), child);
g_object_unref (child);
}
static void
add_row_below (GtkButton *button, GtkWidget *child)
{
GtkWidget *revealer, *row, *list;
gint index;
row = gtk_widget_get_parent (child);
index = gtk_list_box_row_get_index (GTK_LIST_BOX_ROW (row));
list = gtk_widget_get_parent (row);
row = create_row ("Extra row");
revealer = gtk_revealer_new ();
gtk_container_add (GTK_CONTAINER (revealer), row);
gtk_widget_show_all (revealer);
g_signal_connect (revealer, "notify::child-revealed",
G_CALLBACK (row_revealed), NULL);
gtk_list_box_insert (GTK_LIST_BOX (list), revealer, index + 1);
gtk_revealer_set_reveal_child (GTK_REVEALER (revealer), TRUE);
}
static void
add_separator (GtkListBoxRow *row, GtkListBoxRow *before, gpointer data)
{
if (!before)
return;
gtk_list_box_row_set_header (row, gtk_separator_new (GTK_ORIENTATION_HORIZONTAL));
}
static GtkWidget *
create_row (const gchar *text)
{
GtkWidget *row, *label, *button;
row = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
label = gtk_label_new (text);
gtk_container_add (GTK_CONTAINER (row), label);
button = gtk_button_new_with_label ("x");
gtk_widget_set_hexpand (button, TRUE);
gtk_widget_set_halign (button, GTK_ALIGN_END);
gtk_widget_set_valign (button, GTK_ALIGN_CENTER);
gtk_container_add (GTK_CONTAINER (row), button);
g_signal_connect (button, "clicked", G_CALLBACK (remove_this_row), row);
button = gtk_button_new_with_label ("+");
gtk_widget_set_valign (button, GTK_ALIGN_CENTER);
gtk_container_add (GTK_CONTAINER (row), button);
g_signal_connect (button, "clicked", G_CALLBACK (add_row_below), row);
return row;
}
int main (int argc, char *argv[])
{
GtkWidget *window, *list, *sw, *row;
gint i;
gchar *text;
gtk_init (NULL, NULL);
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_default_size (GTK_WINDOW (window), 300, 300);
list = gtk_list_box_new ();
gtk_list_box_set_selection_mode (GTK_LIST_BOX (list), GTK_SELECTION_NONE);
gtk_list_box_set_header_func (GTK_LIST_BOX (list), add_separator, NULL, NULL);
sw = gtk_scrolled_window_new (NULL, NULL);
gtk_container_add (GTK_CONTAINER (window), sw);
gtk_container_add (GTK_CONTAINER (sw), list);
for (i = 0; i < 20; i++)
{
text = g_strdup_printf ("Row %d", i);
row = create_row (text);
gtk_list_box_insert (GTK_LIST_BOX (list), row, -1);
}
gtk_widget_show_all (window);
gtk_main ();
return 0;
}