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
|
/***************************************************************************
* Copyright (C) 2010~2012 by CSSlayer *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include <libintl.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcitx-config/hotkey.h>
#include "keygrab.h"
#define _(s) gettext(s)
enum {
KEYGRAB_BUTTON_CHANGED,
LAST_SIGNAL
};
static gint keygrab_button_signals[LAST_SIGNAL] = { 0 };
static void keygrab_button_init(KeyGrabButton *keygrab_button);
static void keygrab_button_class_init(KeyGrabButtonClass *keygrabbuttonclass);
static void begin_key_grab(KeyGrabButton* self, gpointer v);
static void end_key_grab(KeyGrabButton *self);
static GtkWidget* popup_new(GtkWidget* parent, const gchar* text, gboolean mouse);
static void on_key_press_event(GtkWidget *self, GdkEventKey *event, gpointer v);
G_DEFINE_TYPE(KeyGrabButton, keygrab_button, GTK_TYPE_BUTTON)
static void keygrab_button_init(KeyGrabButton *keygrabbutton)
{
keygrab_button_set_key(keygrabbutton, 0, 0);
gtk_widget_set_size_request(GTK_WIDGET(keygrabbutton), 100, -1);
g_signal_connect(G_OBJECT(keygrabbutton), "clicked", (GCallback) begin_key_grab, NULL);
}
static void keygrab_button_class_init(KeyGrabButtonClass *keygrabbuttonclass)
{
GObjectClass *object_class;
object_class = (GObjectClass*)keygrabbuttonclass;
keygrab_button_signals[KEYGRAB_BUTTON_CHANGED] = g_signal_new("changed",
G_TYPE_FROM_CLASS(object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET(KeyGrabButtonClass, changed),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0, NULL);
}
GtkWidget* keygrab_button_new(void)
{
return GTK_WIDGET(g_object_new(TYPE_KEYGRAB_BUTTON, NULL));
}
void begin_key_grab(KeyGrabButton* self, gpointer v)
{
KeyGrabButton* b = KEYGRAB_BUTTON(self);
b->popup = popup_new(GTK_WIDGET(self), _("Please press the new key combination"), FALSE);
gtk_widget_add_events(GTK_WIDGET(b->popup), GDK_KEY_PRESS_MASK);
gtk_widget_show_all(b->popup);
gtk_window_present(GTK_WINDOW(b->popup));
b->handler = g_signal_connect(G_OBJECT(b->popup), "key-press-event", (GCallback)on_key_press_event, b);
while (gdk_keyboard_grab(gtk_widget_get_window(GTK_WIDGET(b->popup)), FALSE, GDK_CURRENT_TIME) != GDK_GRAB_SUCCESS)
usleep(100);
}
void end_key_grab(KeyGrabButton *self)
{
KeyGrabButton* b = KEYGRAB_BUTTON(self);
gdk_keyboard_ungrab(gtk_get_current_event_time());
g_signal_handler_disconnect(b->popup, b->handler);
gtk_widget_destroy(b->popup);
}
void on_key_press_event(GtkWidget *self, GdkEventKey *event, gpointer v)
{
KeyGrabButton* b = KEYGRAB_BUTTON(v);
guint key;
GdkModifierType mods = event->state & gtk_accelerator_get_default_mod_mask();
if ((event->keyval == FcitxKey_Escape
|| event->keyval == FcitxKey_Return) && !mods) {
if (event->keyval == FcitxKey_Escape)
g_signal_emit_by_name(G_OBJECT(b), "changed", b->key, b->mods);
end_key_grab(b);
keygrab_button_set_key(b, 0, 0);
return;
}
key = gdk_keyval_to_upper(event->keyval);
if (key == FcitxKey_ISO_Left_Tab)
key = FcitxKey_Tab;
if (gtk_accelerator_valid(key, mods)
|| (key == FcitxKey_Tab && mods)) {
keygrab_button_set_key(b, key, mods);
end_key_grab(b);
b->key = key;
b->mods = mods;
g_signal_emit_by_name(G_OBJECT(b), "changed", b->key, b->mods);
return;
}
keygrab_button_set_key(b, key, mods);
}
void keygrab_button_set_key(KeyGrabButton* self, guint key, GdkModifierType mods)
{
if (mods & GDK_SUPER_MASK) {
mods &= ~GDK_SUPER_MASK;
mods |= FcitxKeyState_Super;
}
KeyGrabButton* b = KEYGRAB_BUTTON(self);
gchar *label;
b->key = key;
b->mods = mods;
label = FcitxHotkeyGetKeyString(key, mods);
if (label == NULL || strlen(label) == 0) {
gtk_button_set_label(GTK_BUTTON(b), _("Empty"));
} else {
gchar* lb = label;
gtk_button_set_label(GTK_BUTTON(b), lb);
}
if (label)
free(label);
}
void keygrab_button_get_key(KeyGrabButton* self, guint* key, GdkModifierType* mods)
{
if (key)
*key = self->key;
if (mods)
*mods = self->mods;
}
GtkWidget* popup_new(GtkWidget* parent, const gchar* text, gboolean mouse)
{
GtkWidget* w = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_type_hint(GTK_WINDOW(w), GDK_WINDOW_TYPE_HINT_UTILITY);
gtk_window_set_position(GTK_WINDOW(w), mouse ? GTK_WIN_POS_MOUSE : GTK_WIN_POS_CENTER_ALWAYS);
if (parent)
gtk_window_set_transient_for(GTK_WINDOW(w), GTK_WINDOW(gtk_widget_get_toplevel(parent)));
gtk_window_set_modal(GTK_WINDOW(w), TRUE);
gtk_window_set_decorated(GTK_WINDOW(w), TRUE);
gtk_window_set_skip_taskbar_hint(GTK_WINDOW(w), TRUE);
if (text) {
GtkWidget* label = gtk_label_new(text);
GtkWidget* align = gtk_alignment_new(0, 0, 1, 1);
gtk_alignment_set_padding(GTK_ALIGNMENT(align), 20, 20, 20, 20);
gtk_container_add(GTK_CONTAINER(align), label);
gtk_container_add(GTK_CONTAINER(w), align);
}
return w;
}
|
