1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
#include <stdlib.h>
#include <clutter/clutter.h>
enum {
VERTICAL = 0,
HORIZONTAL = 1,
BOTH = 2
};
static void
swept_cb (ClutterSwipeAction *action,
ClutterActor *actor,
ClutterSwipeDirection direction,
gpointer data_)
{
guint axis = GPOINTER_TO_UINT (data_);
gchar *direction_str = g_strdup ("");
if (axis == HORIZONTAL &&
((direction & CLUTTER_SWIPE_DIRECTION_UP) != 0 ||
(direction & CLUTTER_SWIPE_DIRECTION_DOWN) != 0))
{
g_print ("discarding non-horizontal swipe on '%s'\n",
clutter_actor_get_name (actor));
return;
}
if (axis == VERTICAL &&
((direction & CLUTTER_SWIPE_DIRECTION_LEFT) != 0 ||
(direction & CLUTTER_SWIPE_DIRECTION_RIGHT) != 0))
{
g_print ("discarding non-vertical swipe on '%s'\n",
clutter_actor_get_name (actor));
return;
}
if (direction & CLUTTER_SWIPE_DIRECTION_UP)
{
char *old_str = direction_str;
direction_str = g_strconcat (direction_str, " up", NULL);
g_free (old_str);
}
if (direction & CLUTTER_SWIPE_DIRECTION_DOWN)
{
char *old_str = direction_str;
direction_str = g_strconcat (direction_str, " down", NULL);
g_free (old_str);
}
if (direction & CLUTTER_SWIPE_DIRECTION_LEFT)
{
char *old_str = direction_str;
direction_str = g_strconcat (direction_str, " left", NULL);
g_free (old_str);
}
if (direction & CLUTTER_SWIPE_DIRECTION_RIGHT)
{
char *old_str = direction_str;
direction_str = g_strconcat (direction_str, " right", NULL);
g_free (old_str);
}
g_print ("swept: '%s': %s\n", clutter_actor_get_name (actor), direction_str);
g_free (direction_str);
}
static void
gesture_cancel_cb (ClutterSwipeAction *action,
ClutterActor *actor,
gpointer user_data)
{
g_debug ("gesture cancelled: '%s'", clutter_actor_get_name (actor));
}
static void
attach_action (ClutterActor *actor, guint axis)
{
ClutterAction *action;
action = g_object_new (CLUTTER_TYPE_SWIPE_ACTION, NULL);
clutter_actor_add_action (actor, action);
g_signal_connect (action, "swept", G_CALLBACK (swept_cb), GUINT_TO_POINTER (axis));
g_signal_connect (action, "gesture-cancel", G_CALLBACK (gesture_cancel_cb), NULL);
}
G_MODULE_EXPORT int
test_swipe_action_main (int argc, char *argv[])
{
ClutterActor *stage, *rect;
if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
return 1;
stage = clutter_stage_new ();
clutter_stage_set_title (CLUTTER_STAGE (stage), "Swipe action");
clutter_actor_set_size (stage, 640, 480);
g_signal_connect (stage, "destroy", G_CALLBACK (clutter_main_quit), NULL);
rect = clutter_rectangle_new_with_color (CLUTTER_COLOR_Red);
clutter_actor_set_name (rect, "Vertical swipes");
clutter_actor_set_size (rect, 150, 150);
clutter_actor_set_position (rect, 10, 100);
clutter_actor_set_reactive (rect, TRUE);
clutter_container_add_actor (CLUTTER_CONTAINER (stage), rect);
attach_action (rect, VERTICAL);
rect = clutter_rectangle_new_with_color (CLUTTER_COLOR_Blue);
clutter_actor_set_name (rect, "Horizontal swipes");
clutter_actor_set_size (rect, 150, 150);
clutter_actor_set_position (rect, 170, 100);
clutter_actor_set_reactive (rect, TRUE);
clutter_container_add_actor (CLUTTER_CONTAINER (stage), rect);
attach_action (rect, HORIZONTAL);
rect = clutter_rectangle_new_with_color (CLUTTER_COLOR_Green);
clutter_actor_set_name (rect, "All swipes");
clutter_actor_set_size (rect, 150, 150);
clutter_actor_set_position (rect, 330, 100);
clutter_actor_set_reactive (rect, TRUE);
clutter_container_add_actor (CLUTTER_CONTAINER (stage), rect);
attach_action (rect, BOTH);
{
ClutterLayoutManager *layout = clutter_box_layout_new ();
ClutterActor *box, *label;
float offset;
clutter_box_layout_set_vertical (CLUTTER_BOX_LAYOUT (layout), TRUE);
clutter_box_layout_set_spacing (CLUTTER_BOX_LAYOUT (layout), 6);
box = clutter_box_new (layout);
label = clutter_text_new ();
clutter_text_set_markup (CLUTTER_TEXT (label),
"<b>Red</b>: vertical swipes only");
clutter_box_layout_pack (CLUTTER_BOX_LAYOUT (layout),
label,
TRUE,
TRUE, TRUE,
CLUTTER_BOX_ALIGNMENT_START,
CLUTTER_BOX_ALIGNMENT_CENTER);
label = clutter_text_new ();
clutter_text_set_markup (CLUTTER_TEXT (label),
"<b>Blue</b>: horizontal swipes only");
clutter_box_layout_pack (CLUTTER_BOX_LAYOUT (layout),
label,
TRUE,
TRUE, TRUE,
CLUTTER_BOX_ALIGNMENT_START,
CLUTTER_BOX_ALIGNMENT_CENTER);
label = clutter_text_new ();
clutter_text_set_markup (CLUTTER_TEXT (label),
"<b>Green</b>: both");
clutter_box_layout_pack (CLUTTER_BOX_LAYOUT (layout),
label,
TRUE,
TRUE, TRUE,
CLUTTER_BOX_ALIGNMENT_START,
CLUTTER_BOX_ALIGNMENT_CENTER);
offset = clutter_actor_get_height (stage)
- clutter_actor_get_height (box)
- 12.0;
clutter_container_add_actor (CLUTTER_CONTAINER (stage), box);
clutter_actor_add_constraint (box, clutter_bind_constraint_new (stage,
CLUTTER_BIND_X,
12.0));
clutter_actor_add_constraint (box, clutter_bind_constraint_new (stage,
CLUTTER_BIND_Y,
offset));
}
clutter_actor_show_all (stage);
clutter_main ();
return EXIT_SUCCESS;
}
G_MODULE_EXPORT const char *
test_swipe_action_describe (void)
{
return "Swipe gesture recognizer.";
}
|
