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gtk-demo: Allow editing in the settings demo

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This gives us an example of a columnview with editable
content, which we didn't have so far.
This commit is contained in:
Matthias Clasen 2020-06-03 19:33:45 -04:00
parent 8ddf1f1ea5
commit 3f2d44d517
2 changed files with 41 additions and 2 deletions
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38
demos/gtk-demo/listview_settings.c
View File

@ -140,6 +140,43 @@ settings_key_new (GSettings *settings,
return result;
}
static void
item_value_changed (GtkListItem *item,
GtkEntry *entry)
{
SettingsKey *self;
const char *text;
const GVariantType *type;
GVariant *variant;
GError *error = NULL;
const char *name;
text = gtk_editable_get_text (GTK_EDITABLE (entry));
g_object_get (item, "item", &self, NULL);
g_object_unref (self);
type = g_settings_schema_key_get_value_type (self->key);
name = g_settings_schema_key_get_name (self->key);
variant = g_variant_parse (type, text, NULL, NULL, &error);
if (!variant)
{
g_warning ("%s", error->message);
g_clear_error (&error);
return;
}
if (!g_settings_schema_key_range_check (self->key, variant))
{
g_warning ("Not a valid value for %s", name);
return;
}
g_settings_set_value (self->settings, name, variant);
g_variant_unref (variant);
}
static int
strvcmp (gconstpointer p1,
gconstpointer p2)
@ -318,6 +355,7 @@ do_listview_settings (GtkWidget *do_widget)
gtk_builder_cscope_add_callback_symbol (GTK_BUILDER_CSCOPE (scope), "search_enabled", (GCallback)search_enabled);
gtk_builder_cscope_add_callback_symbol (GTK_BUILDER_CSCOPE (scope), "search_changed", (GCallback)search_changed);
gtk_builder_cscope_add_callback_symbol (GTK_BUILDER_CSCOPE (scope), "stop_search", (GCallback)stop_search);
gtk_builder_cscope_add_callback_symbol (GTK_BUILDER_CSCOPE (scope), "item_value_changed", (GCallback)item_value_changed);
builder = gtk_builder_new ();
gtk_builder_set_scope (builder, scope);

5
demos/gtk-demo/listview_settings.ui
View File

@ -113,9 +113,10 @@
<interface>
<template class="GtkListItem">
<property name="child">
<object class="GtkLabel">
<object class="GtkEntry">
<signal name="activate" handler="item_value_changed" object="GtkListItem" swapped="yes"/>
<property name="xalign">0</property>
<binding name="label">
<binding name="text">
<lookup name="value" type="SettingsKey">
<lookup name="item">GtkListItem</lookup>
</lookup>