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
|
#include <gtk/gtk.h>
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
#define INITIAL_HALIGN GTK_ALIGN_START
#define INITIAL_VALIGN GTK_ALIGN_START
static GList *menubuttons = NULL;
static void
horizontal_alignment_changed (GtkComboBox *box)
{
GtkAlign alignment = gtk_combo_box_get_active (box);
GList *l;
for (l = menubuttons; l != NULL; l = l->next) {
GtkPopover *popup = gtk_menu_button_get_popover (GTK_MENU_BUTTON (l->data));
if (popup != NULL)
gtk_widget_set_halign (GTK_WIDGET (popup), alignment);
}
}
static void
vertical_alignment_changed (GtkComboBox *box)
{
GtkAlign alignment = gtk_combo_box_get_active (box);
GList *l;
for (l = menubuttons; l != NULL; l = l->next) {
GtkPopover *popup = gtk_menu_button_get_popover (GTK_MENU_BUTTON (l->data));
if (popup != NULL)
gtk_widget_set_valign (GTK_WIDGET (popup), alignment);
}
}
int main (int argc, char **argv)
{
GtkWidget *window;
GtkWidget *button;
GtkWidget *grid;
GtkWidget *entry;
GtkWidget *label;
GtkWidget *combo;
guint i;
guint row = 0;
GMenu *menu;
gtk_init ();
window = gtk_window_new ();
gtk_window_set_default_size (GTK_WINDOW (window), 400, 300);
grid = gtk_grid_new ();
gtk_grid_set_row_spacing (GTK_GRID (grid), 12);
gtk_grid_set_column_spacing (GTK_GRID (grid), 12);
gtk_window_set_child (GTK_WINDOW (window), grid);
/* horizontal alignment */
label = gtk_label_new ("Horizontal Alignment:");
gtk_grid_attach (GTK_GRID (grid), label, 0, row++, 1, 1);
combo = gtk_combo_box_text_new ();
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "Fill");
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "Start");
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "End");
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "Center");
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "Baseline");
gtk_combo_box_set_active (GTK_COMBO_BOX (combo), INITIAL_HALIGN);
gtk_grid_attach_next_to (GTK_GRID (grid), combo, label, GTK_POS_RIGHT, 1, 1);
g_signal_connect (G_OBJECT (combo), "changed",
G_CALLBACK (horizontal_alignment_changed), menubuttons);
/* vertical alignment */
label = gtk_label_new ("Vertical Alignment:");
gtk_grid_attach (GTK_GRID (grid), label, 0, row++, 1, 1);
combo = gtk_combo_box_text_new ();
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "Fill");
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "Start");
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "End");
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "Center");
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "Baseline");
gtk_combo_box_set_active (GTK_COMBO_BOX (combo), INITIAL_HALIGN);
gtk_grid_attach_next_to (GTK_GRID (grid), combo, label, GTK_POS_RIGHT, 1, 1);
g_signal_connect (G_OBJECT (combo), "changed",
G_CALLBACK (vertical_alignment_changed), menubuttons);
/* Button next to entry */
entry = gtk_entry_new ();
gtk_grid_attach (GTK_GRID (grid), entry, 0, row++, 1, 1);
button = gtk_menu_button_new ();
gtk_widget_set_halign (button, GTK_ALIGN_START);
gtk_grid_attach_next_to (GTK_GRID (grid), button, entry, GTK_POS_RIGHT, 1, 1);
menubuttons = g_list_prepend (menubuttons, button);
/* Button with GMenuModel */
menu = g_menu_new ();
for (i = 5; i > 0; i--) {
char *item_label;
GMenuItem *item;
item_label = g_strdup_printf ("Item _%d", i);
item = g_menu_item_new (item_label, NULL);
if (i == 3)
g_menu_item_set_attribute (item, "icon", "s", "preferences-desktop-locale-symbolic");
g_menu_insert_item (menu, 0, item);
g_object_unref (item);
g_free (item_label);
}
button = gtk_menu_button_new ();
gtk_widget_set_halign (button, GTK_ALIGN_START);
menubuttons = g_list_prepend (menubuttons, button);
gtk_menu_button_set_menu_model (GTK_MENU_BUTTON (button), G_MENU_MODEL (menu));
gtk_grid_attach (GTK_GRID (grid), button, 1, row++, 1, 1);
gtk_window_present (GTK_WINDOW (window));
while (TRUE)
g_main_context_iteration (NULL, TRUE);
return 0;
}
|
