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Merge branch 'dropdown-checkmark' into 'master'

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Dropdown checkmark

Closes #3291

See merge request GNOME/gtk!2754
This commit is contained in:
Matthias Clasen 2020-10-27 20:41:34 +00:00
commit 975d763db1
3 changed files with 124 additions and 16 deletions
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83
demos/gtk-demo/dropdown.c
View File

@ -65,18 +65,22 @@ strings_setup_item_single_line (GtkSignalListItemFactory *factory,
GtkListItem *item)
{
GtkWidget *box, *image, *title;
GtkWidget *checkmark;
box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
image = gtk_image_new ();
title = gtk_label_new ("");
gtk_label_set_xalign (GTK_LABEL (title), 0.0);
checkmark = gtk_image_new_from_icon_name ("object-select-symbolic");
gtk_box_append (GTK_BOX (box), image);
gtk_box_append (GTK_BOX (box), title);
gtk_box_append (GTK_BOX (box), checkmark);
g_object_set_data (G_OBJECT (item), "title", title);
g_object_set_data (G_OBJECT (item), "image", image);
g_object_set_data (G_OBJECT (item), "checkmark", checkmark);
gtk_list_item_set_child (item, box);
}
@ -86,6 +90,7 @@ strings_setup_item_full (GtkSignalListItemFactory *factory,
GtkListItem *item)
{
GtkWidget *box, *box2, *image, *title, *description;
GtkWidget *checkmark;
image = gtk_image_new ();
title = gtk_label_new ("");
@ -93,6 +98,7 @@ strings_setup_item_full (GtkSignalListItemFactory *factory,
description = gtk_label_new ("");
gtk_label_set_xalign (GTK_LABEL (description), 0.0);
gtk_widget_add_css_class (description, "dim-label");
checkmark = gtk_image_new_from_icon_name ("object-select-symbolic");
box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
box2 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
@ -101,26 +107,48 @@ strings_setup_item_full (GtkSignalListItemFactory *factory,
gtk_box_append (GTK_BOX (box), box2);
gtk_box_append (GTK_BOX (box2), title);
gtk_box_append (GTK_BOX (box2), description);
gtk_box_append (GTK_BOX (box), checkmark);
g_object_set_data (G_OBJECT (item), "title", title);
g_object_set_data (G_OBJECT (item), "image", image);
g_object_set_data (G_OBJECT (item), "description", description);
g_object_set_data (G_OBJECT (item), "checkmark", checkmark);
gtk_list_item_set_child (item, box);
}
static void
strings_bind_item (GtkSignalListItemFactory *factory,
GtkListItem *item)
selected_item_changed (GtkDropDown *dropdown,
GParamSpec *pspec,
GtkListItem *item)
{
GtkWidget *checkmark;
checkmark = g_object_get_data (G_OBJECT (item), "checkmark");
if (gtk_drop_down_get_selected_item (dropdown) == gtk_list_item_get_item (item))
gtk_widget_set_opacity (checkmark, 1.0);
else
gtk_widget_set_opacity (checkmark, 0.0);
}
static void
strings_bind_item (GtkSignalListItemFactory *factory,
GtkListItem *item,
gpointer data)
{
GtkDropDown *dropdown = data;
GtkWidget *image, *title, *description;
GtkWidget *checkmark;
StringHolder *holder;
GtkWidget *popup;
holder = gtk_list_item_get_item (item);
title = g_object_get_data (G_OBJECT (item), "title");
image = g_object_get_data (G_OBJECT (item), "image");
description = g_object_get_data (G_OBJECT (item), "description");
checkmark = g_object_get_data (G_OBJECT (item), "checkmark");
gtk_label_set_label (GTK_LABEL (title), holder->title);
if (image)
@ -133,19 +161,43 @@ strings_bind_item (GtkSignalListItemFactory *factory,
gtk_label_set_label (GTK_LABEL (description), holder->description);
gtk_widget_set_visible (description , holder->description != NULL);
}
popup = gtk_widget_get_ancestor (title, GTK_TYPE_POPOVER);
if (popup && gtk_widget_is_ancestor (popup, GTK_WIDGET (dropdown)))
{
gtk_widget_show (checkmark);
g_signal_connect (dropdown, "notify::selected-item",
G_CALLBACK (selected_item_changed), item);
selected_item_changed (dropdown, NULL, item);
}
else
{
gtk_widget_hide (checkmark);
}
}
static void
strings_unbind_item (GtkSignalListItemFactory *factory,
GtkListItem *list_item,
gpointer data)
{
GtkDropDown *dropdown = data;
g_signal_handlers_disconnect_by_func (dropdown, selected_item_changed, list_item);
}
static GtkListItemFactory *
strings_factory_new (gboolean full)
strings_factory_new (gpointer data, gboolean full)
{
GtkListItemFactory *factory;
factory = gtk_signal_list_item_factory_new ();
if (full)
g_signal_connect (factory, "setup", G_CALLBACK (strings_setup_item_full), NULL);
g_signal_connect (factory, "setup", G_CALLBACK (strings_setup_item_full), data);
else
g_signal_connect (factory, "setup", G_CALLBACK (strings_setup_item_single_line), NULL);
g_signal_connect (factory, "bind", G_CALLBACK (strings_bind_item), NULL);
g_signal_connect (factory, "setup", G_CALLBACK (strings_setup_item_single_line), data);
g_signal_connect (factory, "bind", G_CALLBACK (strings_bind_item), data);
g_signal_connect (factory, "unbind", G_CALLBACK (strings_unbind_item), data);
return factory;
}
@ -186,19 +238,22 @@ drop_down_new_from_strings (const char *const *titles,
g_return_val_if_fail (descriptions == NULL || g_strv_length ((char **)icons) == g_strv_length ((char **)descriptions), NULL);
model = strings_model_new (titles, icons, descriptions);
factory = strings_factory_new (FALSE);
widget = g_object_new (GTK_TYPE_DROP_DOWN,
"model", model,
NULL);
g_object_unref (model);
factory = strings_factory_new (widget, FALSE);
if (icons != NULL || descriptions != NULL)
list_factory = strings_factory_new (TRUE);
list_factory = strings_factory_new (widget, TRUE);
else
list_factory = NULL;
widget = g_object_new (GTK_TYPE_DROP_DOWN,
"model", model,
"factory", factory,
"list-factory", list_factory,
NULL);
g_object_set (widget,
"factory", factory,
"list-factory", list_factory,
NULL);
g_object_unref (model);
g_object_unref (factory);
if (list_factory)
g_object_unref (list_factory);

55
gtk/gtkdropdown.c
View File

@ -44,6 +44,7 @@
#include "gtkbuildable.h"
#include "gtkbuilderprivate.h"
#include "gtkstringlist.h"
#include "gtkbox.h"
/**
* SECTION:gtkdropdown
@ -537,11 +538,34 @@ setup_item (GtkSignalListItemFactory *factory,
GtkListItem *list_item,
gpointer data)
{
GtkWidget *box;
GtkWidget *label;
GtkWidget *icon;
box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
label = gtk_label_new (NULL);
gtk_label_set_xalign (GTK_LABEL (label), 0.0);
gtk_list_item_set_child (list_item, label);
gtk_box_append (GTK_BOX (box), label);
icon = gtk_image_new_from_icon_name ("object-select-symbolic");
gtk_box_append (GTK_BOX (box), icon);
gtk_list_item_set_child (list_item, box);
}
static void
selected_item_changed (GtkDropDown *self,
GParamSpec *pspec,
GtkListItem *list_item)
{
GtkWidget *box;
GtkWidget *icon;
box = gtk_list_item_get_child (list_item);
icon = gtk_widget_get_last_child (box);
if (gtk_drop_down_get_selected_item (self) == gtk_list_item_get_item (list_item))
gtk_widget_set_opacity (icon, 1.0);
else
gtk_widget_set_opacity (icon, 0.0);
}
static void
@ -551,11 +575,15 @@ bind_item (GtkSignalListItemFactory *factory,
{
GtkDropDown *self = data;
gpointer item;
GtkWidget *box;
GtkWidget *label;
GtkWidget *icon;
GValue value = G_VALUE_INIT;
item = gtk_list_item_get_item (list_item);
label = gtk_list_item_get_child (list_item);
box = gtk_list_item_get_child (list_item);
label = gtk_widget_get_first_child (box);
icon = gtk_widget_get_last_child (box);
if (self->expression &&
gtk_expression_evaluate (self->expression, item, &value))
@ -574,6 +602,28 @@ bind_item (GtkSignalListItemFactory *factory,
{
g_critical ("Either GtkDropDown:factory or GtkDropDown:expression must be set");
}
if (gtk_widget_get_ancestor (box, GTK_TYPE_POPOVER) == self->popup)
{
gtk_widget_show (icon);
g_signal_connect (self, "notify::selected-item",
G_CALLBACK (selected_item_changed), list_item);
selected_item_changed (self, NULL, list_item);
}
else
{
gtk_widget_hide (icon);
}
}
static void
unbind_item (GtkSignalListItemFactory *factory,
GtkListItem *list_item,
gpointer data)
{
GtkDropDown *self = data;
g_signal_handlers_disconnect_by_func (self, selected_item_changed, list_item);
}
static void
@ -585,6 +635,7 @@ set_default_factory (GtkDropDown *self)
g_signal_connect (factory, "setup", G_CALLBACK (setup_item), self);
g_signal_connect (factory, "bind", G_CALLBACK (bind_item), self);
g_signal_connect (factory, "unbind", G_CALLBACK (unbind_item), self);
gtk_drop_down_set_factory (self, factory);

2
gtk/ui/gtkdropdown.ui
View File

@ -59,6 +59,8 @@
<signal name="search-changed" handler="search_changed"/>
<signal name="stop-search" handler="search_stop"/>
<property name="visible">0</property>
<property name="max-width-chars">6</property>
<property name="width-chars">6</property>
<property name="placeholder-text" translatable="yes">Search…</property>
</object>
</child>