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popover menus: Take iconic into account

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We don't want separators in both side of an iconic section
and use a 10px margin to separate two iconic sections.

Separators are also updated in case of dynamic insertion
( often used with menu items for plugins )

https://bugzilla.gnome.org/show_bug.cgi?id=738650
This commit is contained in:
Sebastien Lafargue
2014-10-18 11:19:26 +02:00
committed by Matthias Clasen
parent fc6f22c3ce
commit 17f9eed14e
1 changed files with 50 additions and 25 deletions
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75
gtk/gtkmenusectionbox.c
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@@ -48,10 +48,16 @@ struct _GtkMenuSectionBox
gint depth;
};
typedef struct
{
gint n_items;
gboolean previous_is_iconic;
} MenuData;
G_DEFINE_TYPE (GtkMenuSectionBox, gtk_menu_section_box, GTK_TYPE_BOX)
void gtk_menu_section_box_sync_separators (GtkMenuSectionBox *box,
gint *n_items);
MenuData *data);
void gtk_menu_section_box_new_submenu (GtkMenuTrackerItem *item,
GtkMenuSectionBox *toplevel,
GtkWidget *focus);
@@ -62,12 +68,12 @@ static void
gtk_menu_section_box_sync_item (GtkWidget *widget,
gpointer user_data)
{
gint *n_items = user_data;
MenuData *data = (MenuData *)user_data;
if (GTK_IS_MENU_SECTION_BOX (widget))
gtk_menu_section_box_sync_separators (GTK_MENU_SECTION_BOX (widget), n_items);
gtk_menu_section_box_sync_separators (GTK_MENU_SECTION_BOX (widget), data);
else
(*n_items)++;
data->n_items++;
}
/* We are trying to implement the following rules here:
@@ -77,26 +83,32 @@ gtk_menu_section_box_sync_item (GtkWidget *widget,
* rule 3: don't show a separator for the first section
* rule 4: don't show a separator for the following sections if there are
* no items before it
* (rule 5: these rules don't apply exactly the same way for subsections)
* rule 5: never show separators directly above or below an iconic box
* (rule 6: these rules don't apply exactly the same way for subsections)
*/
void
gtk_menu_section_box_sync_separators (GtkMenuSectionBox *box,
gint *n_items)
MenuData *data)
{
GtkWidget *parent_widget;
gboolean previous_section_is_iconic;
gboolean should_have_separator;
gboolean should_have_top_margin = FALSE;
gboolean is_not_empty_item;
gboolean has_separator;
gboolean has_label;
gint n_items_before = *n_items;
gboolean separator_condition;
gint n_items_before;
gtk_container_foreach (GTK_CONTAINER (box->item_box), gtk_menu_section_box_sync_item, n_items);
n_items_before = data->n_items;
previous_section_is_iconic = data->previous_is_iconic;
if (box->iconic)
{
if (n_items_before > 0)
gtk_widget_set_margin_top (GTK_WIDGET (box->item_box), 10);
else
gtk_widget_set_margin_top (GTK_WIDGET (box->item_box), 0);
}
gtk_container_foreach (GTK_CONTAINER (box->item_box), gtk_menu_section_box_sync_item, data);
is_not_empty_item = (data->n_items > n_items_before);
if (is_not_empty_item)
data->previous_is_iconic = box->iconic;
if (box->separator == NULL)
return;
@@ -104,7 +116,19 @@ gtk_menu_section_box_sync_separators (GtkMenuSectionBox *box,
has_separator = gtk_widget_get_parent (box->separator) != NULL;
has_label = !GTK_IS_SEPARATOR (box->separator);
should_have_separator = (has_label || (n_items_before > 0 && box->depth <= 1)) && *n_items > n_items_before;
separator_condition = has_label ? TRUE : n_items_before > 0 &&
box->depth <= 1 &&
!previous_section_is_iconic &&
!box->iconic;
should_have_separator = separator_condition && is_not_empty_item;
should_have_top_margin = !should_have_separator &&
(box->depth <= 1 || box->iconic) &&
n_items_before > 0 &&
is_not_empty_item;
gtk_widget_set_margin_top (GTK_WIDGET (box->item_box), should_have_top_margin ? 10 : 0);
if (should_have_separator == has_separator)
return;
@@ -119,9 +143,11 @@ static gboolean
gtk_menu_section_box_handle_sync_separators (gpointer user_data)
{
GtkMenuSectionBox *box = user_data;
gint n_items = 0;
MenuData data;
gtk_menu_section_box_sync_separators (box, &n_items);
data.n_items = 0;
data.previous_is_iconic = FALSE;
gtk_menu_section_box_sync_separators (box, &data);
box->separator_sync_idle = 0;
@@ -328,11 +354,7 @@ gtk_menu_section_box_dispose (GObject *object)
box->separator_sync_idle = 0;
}
if (box->separator)
{
gtk_widget_destroy (box->separator);
box->separator = NULL;
}
g_clear_object (&box->separator);
if (box->tracker)
{
@@ -436,7 +458,10 @@ gtk_menu_section_box_new_section (GtkMenuTrackerItem *item,
g_object_bind_property (item, "label", title, "label", G_BINDING_SYNC_CREATE);
gtk_style_context_add_class (gtk_widget_get_style_context (title), GTK_STYLE_CLASS_SEPARATOR);
gtk_widget_set_halign (title, GTK_ALIGN_START);
box->separator = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
g_object_ref_sink (box->separator);
g_object_set (box->separator,
"margin-start", 12,
"margin-end", 12,
@@ -450,6 +475,8 @@ gtk_menu_section_box_new_section (GtkMenuTrackerItem *item,
else
{
box->separator = separator;
g_object_ref_sink (box->separator);
g_object_set (box->separator,
"margin-start", 12,
"margin-end", 12,
@@ -459,8 +486,6 @@ gtk_menu_section_box_new_section (GtkMenuTrackerItem *item,
gtk_widget_show (box->separator);
}
g_object_add_weak_pointer (G_OBJECT (box->separator), (gpointer *)&(box->separator));
box->tracker = gtk_menu_tracker_new_for_item_link (item, G_MENU_LINK_SECTION, FALSE,
gtk_menu_section_box_insert_func,
gtk_menu_section_box_remove_func,