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
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
|
/* ______ ___ ___
* /\ _ \ /\_ \ /\_ \
* \ \ \L\ \\//\ \ \//\ \ __ __ _ __ ___
* \ \ __ \ \ \ \ \ \ \ /'__`\ /'_ `\/\`'__\/ __`\
* \ \ \/\ \ \_\ \_ \_\ \_/\ __//\ \L\ \ \ \//\ \L\ \
* \ \_\ \_\/\____\/\____\ \____\ \____ \ \_\\ \____/
* \/_/\/_/\/____/\/____/\/____/\/___L\ \/_/ \/___/
* /\____/
* \_/__/
*
* GTK native dialog implementation.
*
* See LICENSE.txt for copyright information.
*/
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include "allegro5/allegro.h"
#include "allegro5/allegro_native_dialog.h"
#include "allegro5/internal/aintern_native_dialog.h"
#include "gtk_dialog.h"
#include "gtk_xgtk.h"
typedef struct {
ALLEGRO_NATIVE_DIALOG *dialog;
} Msg;
static void emit_close_event(ALLEGRO_NATIVE_DIALOG *textlog, bool keypress)
{
ALLEGRO_EVENT event;
event.user.type = ALLEGRO_EVENT_NATIVE_DIALOG_CLOSE;
event.user.timestamp = al_get_time();
event.user.data1 = (intptr_t)textlog;
event.user.data2 = (intptr_t)keypress;
al_emit_user_event(&textlog->tl_events, &event, NULL);
}
static gboolean textlog_delete(GtkWidget *w, GdkEvent *gevent,
gpointer userdata)
{
ALLEGRO_NATIVE_DIALOG *textlog = userdata;
(void)w;
(void)gevent;
if (!(textlog->flags & ALLEGRO_TEXTLOG_NO_CLOSE)) {
emit_close_event(textlog, false);
}
/* Don't close the window. */
return TRUE;
}
static gboolean textlog_key_press(GtkWidget *w, GdkEventKey *gevent,
gpointer userdata)
{
ALLEGRO_NATIVE_DIALOG *textlog = userdata;
(void)w;
if (gevent->keyval == GDK_KEY_Escape) {
emit_close_event(textlog, true);
}
return FALSE;
}
static void textlog_destroy(GtkWidget *w, gpointer data)
{
ALLEGRO_NATIVE_DIALOG *nd = data;
(void)w;
ASSERT(nd->async_queue);
g_async_queue_push(nd->async_queue, ACK_CLOSED);
}
/* [gtk thread] */
static gboolean create_native_text_log(gpointer data)
{
Msg *msg = data;
ALLEGRO_NATIVE_DIALOG *textlog = msg->dialog;
GtkCssProvider *css_provider;
GtkStyleContext *context;
/* Create a new text log window. */
GtkWidget *top = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_default_size(GTK_WINDOW(top), 640, 480);
gtk_window_set_title(GTK_WINDOW(top), al_cstr(textlog->title));
if (textlog->flags & ALLEGRO_TEXTLOG_NO_CLOSE) {
gtk_window_set_deletable(GTK_WINDOW(top), false);
}
else {
g_signal_connect(G_OBJECT(top), "key-press-event", G_CALLBACK(textlog_key_press), textlog);
}
g_signal_connect(G_OBJECT(top), "delete-event", G_CALLBACK(textlog_delete), textlog);
g_signal_connect(G_OBJECT(top), "destroy", G_CALLBACK(textlog_destroy), textlog);
GtkWidget *scroll = gtk_scrolled_window_new(NULL, NULL);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll),
GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
gtk_container_add(GTK_CONTAINER(top), scroll);
GtkWidget *view = gtk_text_view_new();
gtk_text_view_set_editable(GTK_TEXT_VIEW(view), false);
gtk_widget_set_name(GTK_WIDGET(view), "native_text_log");
if (textlog->flags & ALLEGRO_TEXTLOG_MONOSPACE) {
css_provider = gtk_css_provider_new();
gtk_css_provider_load_from_data(GTK_CSS_PROVIDER(css_provider),
"#native_text_log {\n"
" font-family: monospace;\n"
"}\n", -1, NULL);
context = gtk_widget_get_style_context(GTK_WIDGET(view));
gtk_style_context_add_provider(context, GTK_STYLE_PROVIDER(css_provider), GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
g_object_unref(css_provider);
}
gtk_container_add(GTK_CONTAINER(scroll), view);
gtk_widget_show(view);
gtk_widget_show(scroll);
gtk_widget_show(top);
textlog->window = top;
textlog->tl_textview = view;
ASSERT(textlog->async_queue);
g_async_queue_push(textlog->async_queue, ACK_OPENED);
return FALSE;
}
/* [user thread] */
bool _al_open_native_text_log(ALLEGRO_NATIVE_DIALOG *textlog)
{
Msg msg;
if (!_al_gtk_ensure_thread()) {
textlog->tl_init_error = true;
return false;
}
textlog->async_queue = g_async_queue_new();
msg.dialog = textlog;
g_timeout_add(0, create_native_text_log, &msg);
while (g_async_queue_pop(textlog->async_queue) != ACK_OPENED)
;
return true;
}
/* [gtk thread] */
static gboolean do_append_native_text_log(gpointer data)
{
ALLEGRO_NATIVE_DIALOG *textlog = data;
al_lock_mutex(textlog->tl_text_mutex);
GtkTextView *tv = GTK_TEXT_VIEW(textlog->tl_textview);
GtkTextBuffer *buffer = gtk_text_view_get_buffer(tv);
GtkTextIter iter;
GtkTextMark *mark;
gtk_text_buffer_get_end_iter(buffer, &iter);
gtk_text_buffer_insert(buffer, &iter, al_cstr(textlog->tl_pending_text), -1);
mark = gtk_text_buffer_create_mark(buffer, NULL, &iter, FALSE);
gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(textlog->tl_textview), mark);
gtk_text_buffer_delete_mark(buffer, mark);
al_ustr_truncate(textlog->tl_pending_text, 0);
textlog->tl_have_pending = false;
al_unlock_mutex(textlog->tl_text_mutex);
return FALSE;
}
/* [user thread] */
void _al_append_native_text_log(ALLEGRO_NATIVE_DIALOG *textlog)
{
if (textlog->tl_have_pending)
return;
textlog->tl_have_pending = true;
gdk_threads_add_timeout(100, do_append_native_text_log, textlog);
}
/* [gtk thread] */
static gboolean do_close_native_text_log(gpointer data)
{
ALLEGRO_NATIVE_DIALOG *textlog = data;
/* Delay closing until appends are completed. */
if (textlog->tl_have_pending) {
return TRUE;
}
/* This causes the GTK window as well as all of its children to
* be freed. Further it will call the destroy function which we
* connected to the destroy signal which in turn causes our
* gtk thread to quit.
*/
gtk_widget_destroy(textlog->window);
return FALSE;
}
/* [user thread] */
void _al_close_native_text_log(ALLEGRO_NATIVE_DIALOG *textlog)
{
gdk_threads_add_timeout(0, do_close_native_text_log, textlog);
while (g_async_queue_pop(textlog->async_queue) != ACK_CLOSED)
;
g_async_queue_unref(textlog->async_queue);
textlog->async_queue = NULL;
}
/* vim: set sts=3 sw=3 et: */
|
