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
|
// 14 april 2016
#include "uipriv_unix.h"
struct uiFontButton {
uiUnixControl c;
GtkWidget *widget;
GtkButton *button;
GtkFontButton *fb;
GtkFontChooser *fc;
void (*onChanged)(uiFontButton *, void *);
void *onChangedData;
};
uiUnixControlAllDefaults(uiFontButton)
// TODO NOTE no need to inhibit the signal; font-set is documented as only being sent when the user changes the font
static void onFontSet(GtkFontButton *button, gpointer data)
{
uiFontButton *b = uiFontButton(data);
(*(b->onChanged))(b, b->onChangedData);
}
static void defaultOnChanged(uiFontButton *b, void *data)
{
// do nothing
}
uiDrawTextFont *uiFontButtonFont(uiFontButton *b)
{
PangoFont *f;
PangoFontDescription *desc;
desc = gtk_font_chooser_get_font_desc(b->fc);
f = pangoDescToPangoFont(desc);
// desc is transfer-full and thus is a copy
pango_font_description_free(desc);
return mkTextFont(f, FALSE); // we hold the initial reference; no need to ref
}
void uiFontButtonOnChanged(uiFontButton *b, void (*f)(uiFontButton *, void *), void *data)
{
b->onChanged = f;
b->onChangedData = data;
}
uiFontButton *uiNewFontButton(void)
{
uiFontButton *b;
uiUnixNewControl(uiFontButton, b);
b->widget = gtk_font_button_new();
b->button = GTK_BUTTON(b->widget);
b->fb = GTK_FONT_BUTTON(b->widget);
b->fc = GTK_FONT_CHOOSER(b->widget);
// match behavior on other platforms
gtk_font_button_set_show_style(b->fb, TRUE);
gtk_font_button_set_show_size(b->fb, TRUE);
gtk_font_button_set_use_font(b->fb, FALSE);
gtk_font_button_set_use_size(b->fb, FALSE);
// other customizations
gtk_font_chooser_set_show_preview_entry(b->fc, TRUE);
g_signal_connect(b->widget, "font-set", G_CALLBACK(onFontSet), b);
uiFontButtonOnChanged(b, defaultOnChanged, NULL);
return b;
}
|