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gtk2/tests/testlistview-animating.c

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tests: Add a test for a permanently changing listview This is mostly for dealing with proper anchoring and can be used to check that things don't scroll or that selection and focus handling properly works. For comparison purposes, a ListBox is provided next to it.
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#include <gtk/gtk.h>
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#ifdef SMALL
#define AVERAGE 15
#define VARIANCE 10
#else
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#define AVERAGE 300
#define VARIANCE 200
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#endif
tests: Add a test for a permanently changing listview This is mostly for dealing with proper anchoring and can be used to check that things don't scroll or that selection and focus handling properly works. For comparison purposes, a ListBox is provided next to it.
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listview: Change how binding is done We now don't let the functions create widgets for the item from the listmodel, instead we hand out a GtkListItem for them to add a widget to. GtkListItems are created in advance and can only be filled in by the binding code by gtk_container_add()ing a widget. However, they are GObjects, so they can provide properties that the binding code can make use of - either via notify signals or GBinding.
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static void
Stop using GtkFunctionsListItemFactory This was an early attempt at a factory, and has been superseded by GtkSignalsListItemFactory. Port all users the the newer one.
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setup_list_item (GtkSignalListItemFactory *factory,
GtkListItem *list_item)
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{
listview: Change how binding is done We now don't let the functions create widgets for the item from the listmodel, instead we hand out a GtkListItem for them to add a widget to. GtkListItems are created in advance and can only be filled in by the binding code by gtk_container_add()ing a widget. However, they are GObjects, so they can provide properties that the binding code can make use of - either via notify signals or GBinding.
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GtkWidget *label = gtk_label_new ("");
gtk_list_item_set_child (list_item, label);
tests: Add a test for a permanently changing listview This is mostly for dealing with proper anchoring and can be used to check that things don't scroll or that selection and focus handling properly works. For comparison purposes, a ListBox is provided next to it.
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}
static void
Stop using GtkFunctionsListItemFactory This was an early attempt at a factory, and has been superseded by GtkSignalsListItemFactory. Port all users the the newer one.
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bind_list_item (GtkSignalListItemFactory *factory,
GtkListItem *list_item)
tests: Add a test for a permanently changing listview This is mostly for dealing with proper anchoring and can be used to check that things don't scroll or that selection and focus handling properly works. For comparison purposes, a ListBox is provided next to it.
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{
listview: Change how binding is done We now don't let the functions create widgets for the item from the listmodel, instead we hand out a GtkListItem for them to add a widget to. GtkListItems are created in advance and can only be filled in by the binding code by gtk_container_add()ing a widget. However, they are GObjects, so they can provide properties that the binding code can make use of - either via notify signals or GBinding.
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GtkWidget *label;
gpointer item;
char *s;
item = gtk_list_item_get_item (list_item);
tests: Add a test for a permanently changing listview This is mostly for dealing with proper anchoring and can be used to check that things don't scroll or that selection and focus handling properly works. For comparison purposes, a ListBox is provided next to it.
2018-09-19 02:29:33 +00:00
listview: Change how binding is done We now don't let the functions create widgets for the item from the listmodel, instead we hand out a GtkListItem for them to add a widget to. GtkListItems are created in advance and can only be filled in by the binding code by gtk_container_add()ing a widget. However, they are GObjects, so they can provide properties that the binding code can make use of - either via notify signals or GBinding.
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if (item)
s = g_strdup_printf ("%u: %s",
gtk_list_item_get_position (list_item),
(const char *) g_object_get_data (item, "message"));
else
s = NULL;
label = gtk_list_item_get_child (list_item);
gtk_label_set_text (GTK_LABEL (label), s);
g_free (s);
tests: Add a test for a permanently changing listview This is mostly for dealing with proper anchoring and can be used to check that things don't scroll or that selection and focus handling properly works. For comparison purposes, a ListBox is provided next to it.
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}
static GtkWidget *
create_widget_for_listbox (gpointer item,
gpointer unused)
{
listview: Change how binding is done We now don't let the functions create widgets for the item from the listmodel, instead we hand out a GtkListItem for them to add a widget to. GtkListItems are created in advance and can only be filled in by the binding code by gtk_container_add()ing a widget. However, they are GObjects, so they can provide properties that the binding code can make use of - either via notify signals or GBinding.
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const char *message = g_object_get_data (item, "message");
tests: Add a test for a permanently changing listview This is mostly for dealing with proper anchoring and can be used to check that things don't scroll or that selection and focus handling properly works. For comparison purposes, a ListBox is provided next to it.
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GtkWidget *widget;
listview: Change how binding is done We now don't let the functions create widgets for the item from the listmodel, instead we hand out a GtkListItem for them to add a widget to. GtkListItems are created in advance and can only be filled in by the binding code by gtk_container_add()ing a widget. However, they are GObjects, so they can provide properties that the binding code can make use of - either via notify signals or GBinding.
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widget = gtk_label_new (message);
tests: Add a test for a permanently changing listview This is mostly for dealing with proper anchoring and can be used to check that things don't scroll or that selection and focus handling properly works. For comparison purposes, a ListBox is provided next to it.
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return widget;
}
tests: Make animating listview do random resorts
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static guint
get_number (GObject *item)
{
return GPOINTER_TO_UINT (g_object_get_data (item, "counter")) % 1000;
}
tests: Add a test for a permanently changing listview This is mostly for dealing with proper anchoring and can be used to check that things don't scroll or that selection and focus handling properly works. For comparison purposes, a ListBox is provided next to it.
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static void
add (GListStore *store)
{
static guint counter;
GObject *o;
char *message;
guint pos;
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counter++;
tests: Add a test for a permanently changing listview This is mostly for dealing with proper anchoring and can be used to check that things don't scroll or that selection and focus handling properly works. For comparison purposes, a ListBox is provided next to it.
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o = g_object_new (G_TYPE_OBJECT, NULL);
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g_object_set_data (o, "counter", GUINT_TO_POINTER (counter));
message = g_strdup_printf ("Item %u", counter);
tests: Add a test for a permanently changing listview This is mostly for dealing with proper anchoring and can be used to check that things don't scroll or that selection and focus handling properly works. For comparison purposes, a ListBox is provided next to it.
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g_object_set_data_full (o, "message", message, g_free);
pos = g_random_int_range (0, g_list_model_get_n_items (G_LIST_MODEL (store)) + 1);
g_list_store_insert (store, pos, o);
g_object_unref (o);
}
static void
delete (GListStore *store)
{
guint pos;
pos = g_random_int_range (0, g_list_model_get_n_items (G_LIST_MODEL (store)));
g_list_store_remove (store, pos);
}
static gboolean
do_stuff (gpointer store)
{
if (g_random_int_range (AVERAGE - VARIANCE, AVERAGE + VARIANCE) < g_list_model_get_n_items (store))
delete (store);
else
add (store);
return G_SOURCE_CONTINUE;
}
tests: Make animating listview do random resorts
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static gboolean
revert_sort (gpointer sorter)
{
if (gtk_numeric_sorter_get_sort_order (sorter) == GTK_SORT_ASCENDING)
gtk_numeric_sorter_set_sort_order (sorter, GTK_SORT_DESCENDING);
else
gtk_numeric_sorter_set_sort_order (sorter, GTK_SORT_ASCENDING);
return G_SOURCE_CONTINUE;
}
tests: Add a test for a permanently changing listview This is mostly for dealing with proper anchoring and can be used to check that things don't scroll or that selection and focus handling properly works. For comparison purposes, a ListBox is provided next to it.
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int
main (int argc,
char *argv[])
{
GtkWidget *win, *hbox, *vbox, *sw, *listview, *listbox, *label;
GListStore *store;
GListModel *toplevels;
tests: Make animating listview do random resorts
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GtkSortListModel *sort;
GtkSorter *sorter;
tests: Add a test for a permanently changing listview This is mostly for dealing with proper anchoring and can be used to check that things don't scroll or that selection and focus handling properly works. For comparison purposes, a ListBox is provided next to it.
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guint i;
Stop using GtkFunctionsListItemFactory This was an early attempt at a factory, and has been superseded by GtkSignalsListItemFactory. Port all users the the newer one.
2020-06-29 20:37:14 +00:00
GtkListItemFactory *factory;
list widgets: Use selection models in the api Change the apis in GtkListView, GtkColumnView and GtkGridView to be explicitly about GtkSelectionModel, to make it obvious that the widgets handle selection. Update all users.
2020-08-31 21:06:48 +00:00
GtkSelectionModel *selection;
tests: Add a test for a permanently changing listview This is mostly for dealing with proper anchoring and can be used to check that things don't scroll or that selection and focus handling properly works. For comparison purposes, a ListBox is provided next to it.
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gtk_init ();
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store = g_list_store_new (G_TYPE_OBJECT);
for (i = 0; i < AVERAGE; i++)
add (store);
Make sorter constructors return exact types Make functions like gtk_custom_sorter_new() return the actual type they construct. Update all callers.
2020-08-03 19:54:42 +00:00
sorter = GTK_SORTER (gtk_numeric_sorter_new (gtk_cclosure_expression_new (G_TYPE_UINT, NULL, 0, NULL, (GCallback)get_number, NULL, NULL)));
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sort = gtk_sort_list_model_new (G_LIST_MODEL (store), sorter);
tests: Add a test for a permanently changing listview This is mostly for dealing with proper anchoring and can be used to check that things don't scroll or that selection and focus handling properly works. For comparison purposes, a ListBox is provided next to it.
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win = gtk_window_new ();
gtk_window_set_default_size (GTK_WINDOW (win), 400, 600);
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 4);
gtk_window_set_child (GTK_WINDOW (win), hbox);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 4);
gtk_box_append (GTK_BOX (hbox), vbox);
label = gtk_label_new ("GtkListView");
gtk_box_append (GTK_BOX (vbox), label);
scrolledwindow: Don't take adjustments in new() In 99.9% of all cases, these are just NULL, NULL. So just do away with these arguments, people can use the setters for the rare cases where they want the scrolled window to use a different adjustment.
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sw = gtk_scrolled_window_new ();
tests: Add a test for a permanently changing listview This is mostly for dealing with proper anchoring and can be used to check that things don't scroll or that selection and focus handling properly works. For comparison purposes, a ListBox is provided next to it.
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gtk_widget_set_hexpand (sw, TRUE);
gtk_widget_set_vexpand (sw, TRUE);
gtk_box_append (GTK_BOX (vbox), sw);
Stop using GtkFunctionsListItemFactory This was an early attempt at a factory, and has been superseded by GtkSignalsListItemFactory. Port all users the the newer one.
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factory = gtk_signal_list_item_factory_new ();
g_signal_connect (factory, "setup", G_CALLBACK (setup_list_item), NULL);
g_signal_connect (factory, "bind", G_CALLBACK (bind_list_item), NULL);
list widgets: Simplify the constructors Now that both arguments to the _new_with_factory() constructors are nullable, there's no good reason to keep a separate _new() around. Just make gtk_list_view_new() and gtk_grid_view_new() take both a model and a factory.
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listview = gtk_list_view_new (NULL, factory);
Stop using GtkFunctionsListItemFactory This was an early attempt at a factory, and has been superseded by GtkSignalsListItemFactory. Port all users the the newer one.
2020-06-29 20:37:14 +00:00
tests: Add a test for a permanently changing listview This is mostly for dealing with proper anchoring and can be used to check that things don't scroll or that selection and focus handling properly works. For comparison purposes, a ListBox is provided next to it.
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gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), listview);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 4);
gtk_box_append (GTK_BOX (hbox), vbox);
label = gtk_label_new ("GtkListBox");
gtk_box_append (GTK_BOX (vbox), label);
scrolledwindow: Don't take adjustments in new() In 99.9% of all cases, these are just NULL, NULL. So just do away with these arguments, people can use the setters for the rare cases where they want the scrolled window to use a different adjustment.
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sw = gtk_scrolled_window_new ();
tests: Add a test for a permanently changing listview This is mostly for dealing with proper anchoring and can be used to check that things don't scroll or that selection and focus handling properly works. For comparison purposes, a ListBox is provided next to it.
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gtk_widget_set_hexpand (sw, TRUE);
gtk_widget_set_vexpand (sw, TRUE);
gtk_box_append (GTK_BOX (vbox), sw);
listbox = gtk_list_box_new ();
gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), listbox);
list widgets: Use selection models in the api Change the apis in GtkListView, GtkColumnView and GtkGridView to be explicitly about GtkSelectionModel, to make it obvious that the widgets handle selection. Update all users.
2020-08-31 21:06:48 +00:00
selection = GTK_SELECTION_MODEL (gtk_single_selection_new (G_LIST_MODEL (sort)));
gtk_list_view_set_model (GTK_LIST_VIEW (listview), selection);
g_object_unref (selection);
tests: Add a test for a permanently changing listview This is mostly for dealing with proper anchoring and can be used to check that things don't scroll or that selection and focus handling properly works. For comparison purposes, a ListBox is provided next to it.
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gtk_list_box_bind_model (GTK_LIST_BOX (listbox),
tests: Make animating listview do random resorts
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G_LIST_MODEL (sort),
tests: Add a test for a permanently changing listview This is mostly for dealing with proper anchoring and can be used to check that things don't scroll or that selection and focus handling properly works. For comparison purposes, a ListBox is provided next to it.
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create_widget_for_listbox,
NULL, NULL);
g_timeout_add (100, do_stuff, store);
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g_timeout_add_seconds (3, revert_sort, sorter);
tests: Add a test for a permanently changing listview This is mostly for dealing with proper anchoring and can be used to check that things don't scroll or that selection and focus handling properly works. For comparison purposes, a ListBox is provided next to it.
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gtk_widget_show (win);
toplevels = gtk_window_get_toplevels ();
while (g_list_model_get_n_items (toplevels))
g_main_context_iteration (NULL, TRUE);
return 0;
}
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