Lerking/gtk
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

gtk-demo: Add filtering to the settings demo

Browse Source 
A demo of filtering with lists was missing so far.
This commit is contained in:
Matthias Clasen
2019-12-15 23:48:34 -05:00
parent 1753091140
commit 977281d0f7
2 changed files with 98 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

54
demos/gtk-demo/listview_settings.c
View File

@@ -117,6 +117,8 @@ strvcmp (gconstpointer p1,
return strcmp (*s1, *s2);
}
static GtkFilter *current_filter;
static gboolean
transform_settings_to_keys (GBinding *binding,
const GValue *from_value,
@@ -128,6 +130,9 @@ transform_settings_to_keys (GBinding *binding,
GSettingsSchema *schema;
GListStore *store;
GtkSortListModel *sort_model;
GtkFilterListModel *filter_model;
GtkFilter *filter;
GtkExpression *expression;
char **keys;
guint i;
@@ -156,8 +161,18 @@ transform_settings_to_keys (GBinding *binding,
sort_model = gtk_sort_list_model_new (G_LIST_MODEL (store),
gtk_column_view_get_sorter (GTK_COLUMN_VIEW (data)));
expression = gtk_property_expression_new (SETTINGS_TYPE_KEY, NULL, "name");
filter = gtk_string_filter_new ();
gtk_string_filter_set_expression (GTK_STRING_FILTER (filter), expression);
filter_model = gtk_filter_list_model_new (G_LIST_MODEL (sort_model), filter);
gtk_expression_unref (expression);
g_object_unref (sort_model);
g_value_take_object (to_value, sort_model);
g_set_object (&current_filter, filter);
g_object_unref (filter);
g_value_take_object (to_value, filter_model);
return TRUE;
}
@@ -208,6 +223,32 @@ create_settings_model (gpointer item,
return G_LIST_MODEL (result);
}
static void
search_enabled (GtkSearchEntry *entry)
{
gtk_editable_set_text (GTK_EDITABLE (entry), "");
}
static void
search_changed (GtkSearchEntry *entry,
gpointer data)
{
const char *text = gtk_editable_get_text (GTK_EDITABLE (entry));
if (current_filter)
gtk_string_filter_set_search (GTK_STRING_FILTER (current_filter), text);
}
static void
stop_search (GtkSearchEntry *entry,
gpointer data)
{
gtk_editable_set_text (GTK_EDITABLE (entry), "");
if (current_filter)
gtk_string_filter_set_search (GTK_STRING_FILTER (current_filter), "");
}
static GtkWidget *window = NULL;
GtkWidget *
@@ -219,13 +260,22 @@ do_listview_settings (GtkWidget *do_widget)
GListModel *model;
GtkTreeListModel *treemodel;
GtkSingleSelection *selection;
GtkBuilderScope *scope;
GtkBuilder *builder;
GtkColumnViewColumn *name_column;
GtkSorter *sorter;
g_type_ensure (SETTINGS_TYPE_KEY);
builder = gtk_builder_new_from_resource ("/listview_settings/listview_settings.ui");
scope = gtk_builder_cscope_new ();
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);
builder = gtk_builder_new ();
gtk_builder_set_scope (builder, scope);
gtk_builder_add_from_resource (builder, "/listview_settings/listview_settings.ui", NULL);
window = GTK_WIDGET (gtk_builder_get_object (builder, "window"));
gtk_window_set_display (GTK_WINDOW (window),
gtk_widget_get_display (do_widget));

63
demos/gtk-demo/listview_settings.ui
View File

@@ -4,6 +4,16 @@
<property name="title" translatable="yes">Settings</property>
<property name="default-width">640</property>
<property name="default-height">480</property>
<child type="titlebar">
<object class="GtkHeaderBar">
<property name="show-title-buttons">1</property>
<child type="end">
<object class="GtkToggleButton" id="search_button">
<property name="icon-name">system-search-symbolic</property>
</object>
</child>
</object>
</child>
<child>
<object class="GtkPaned">
<property name="position">300</property>
@@ -44,15 +54,32 @@
</object>
</child>
<child>
<object class="GtkScrolledWindow">
<object class="GtkBox">
<property name="orientation">vertical</property>
<child>
<object class="GtkColumnView" id="columnview">
<object class="GtkSearchBar">
<property name="search-mode-enabled" bind-source="search_button" bind-property="active" bind-flags="bidirectional"/>
<signal name="notify::search-mode-enabled" handler="search_enabled" object="entry"/>
<child>
<object class="GtkColumnViewColumn" id="name_column">
<property name="title">Name</property>
<property name="factory">
<object class="GtkBuilderListItemFactory">
<property name="bytes"><![CDATA[
<object class="GtkSearchEntry" id="entry">
<signal name="search-changed" handler="search_changed"/>
<signal name="stop-search" handler="stop_search"/>
</object>
</child>
</object>
</child>
<child>
<object class="GtkScrolledWindow">
<property name="hexpand">1</property>
<property name="vexpand">1</property>
<child>
<object class="GtkColumnView" id="columnview">
<child>
<object class="GtkColumnViewColumn" id="name_column">
<property name="title">Name</property>
<property name="factory">
<object class="GtkBuilderListItemFactory">
<property name="bytes"><![CDATA[
<?xml version="1.0" encoding="UTF-8"?>
<interface>
<template class="GtkListItem">
@@ -69,16 +96,16 @@
</template>
</interface>
]]></property>
</object>
</property>
</object>
</property>
</object>
</child>
<child>
<object class="GtkColumnViewColumn">
<property name="title">Value</property>
<property name="factory">
<object class="GtkBuilderListItemFactory">
<property name="bytes"><![CDATA[
</child>
<child>
<object class="GtkColumnViewColumn">
<property name="title">Value</property>
<property name="factory">
<object class="GtkBuilderListItemFactory">
<property name="bytes"><![CDATA[
<?xml version="1.0" encoding="UTF-8"?>
<interface>
<template class="GtkListItem">
@@ -95,8 +122,10 @@
</template>
</interface>
]]></property>
</object>
</property>
</object>
</property>
</child>
</object>
</child>
</object>