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shell: Add GtkListBox/Row derived types that do single row activations

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We often use rows representing different things in the same list
box. In these cases it's often desirable to have rows emitting their
own activation signals instead of having a single handler for the
whole list box that dispatches according to the activated row.

https://bugzilla.gnome.org/show_bug.cgi?id=785949
This commit is contained in:
Rui Matos 2017-08-07 15:50:20 +02:00
parent 353236b576
commit ddd2d5ce8b
2 changed files with 49 additions and 0 deletions
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43
shell/list-box-helper.c
View file

@ -20,6 +20,49 @@
#define MAX_ROWS_VISIBLE 5 #define MAX_ROWS_VISIBLE 5
struct _CcListBoxRow
{
GtkListBoxRow parent_instance;
};
G_DEFINE_TYPE (CcListBoxRow, cc_list_box_row, GTK_TYPE_LIST_BOX_ROW)
enum
{
BOX_ROW_ACTIVATED,
LAST_BOX_ROW_SIGNAL
};
static guint cc_list_box_row_signals[LAST_BOX_ROW_SIGNAL] = { 0 };
static void
cc_list_box_row_class_init (CcListBoxRowClass *klass)
{
cc_list_box_row_signals[BOX_ROW_ACTIVATED] =
g_signal_new ("activated",
CC_TYPE_LIST_BOX_ROW,
G_SIGNAL_RUN_LAST,
0, NULL, NULL, NULL,
G_TYPE_NONE, 0);
}
static void cc_list_box_row_init (CcListBoxRow *self) {}
struct _CcListBox
{
GtkListBox parent_instance;
};
G_DEFINE_TYPE (CcListBox, cc_list_box, GTK_TYPE_LIST_BOX)
static void
cc_list_box_row_activated (GtkListBox *box, GtkListBoxRow *row)
{
if (CC_IS_LIST_BOX_ROW (row))
g_signal_emit (row, cc_list_box_row_signals[BOX_ROW_ACTIVATED], 0);
}
static void
cc_list_box_class_init (CcListBoxClass *klass)
{
GtkListBoxClass *parent_class = GTK_LIST_BOX_CLASS (klass);
parent_class->row_activated = cc_list_box_row_activated;
}
static void cc_list_box_init (CcListBox *self) {}
void void
cc_list_box_update_header_func (GtkListBoxRow *row, cc_list_box_update_header_func (GtkListBoxRow *row,
GtkListBoxRow *before, GtkListBoxRow *before,

6
shell/list-box-helper.h
View file

@ -18,6 +18,12 @@
#include <gtk/gtk.h> #include <gtk/gtk.h>
#define CC_TYPE_LIST_BOX_ROW (cc_list_box_row_get_type ())
G_DECLARE_FINAL_TYPE (CcListBoxRow, cc_list_box_row, CC, LIST_BOX_ROW, GtkListBoxRow)
#define CC_TYPE_LIST_BOX (cc_list_box_get_type ())
G_DECLARE_FINAL_TYPE (CcListBox, cc_list_box, CC, LIST_BOX, GtkListBox)
void void
cc_list_box_update_header_func (GtkListBoxRow *row, cc_list_box_update_header_func (GtkListBoxRow *row,
GtkListBoxRow *before, GtkListBoxRow *before,