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
|
/*
* gtkmultifilechooserbutton.c
*
* A GTK widget to select multiple files
*
* Copyright © 2021 Deutsches Elektronen-Synchrotron DESY,
* a research centre of the Helmholtz Association.
*
* Authors:
* 2021 Thomas White <taw@physics.org>
*
* This file is part of CrystFEL.
*
* CrystFEL 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 3 of the License, or
* (at your option) any later version.
*
* CrystFEL 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 CrystFEL. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <gtk/gtk.h>
#include <glib-object.h>
#include "gtkmultifilechooserbutton.h"
G_DEFINE_TYPE(GtkMultiFileChooserButton,
gtk_multi_file_chooser_button,
GTK_TYPE_BUTTON)
static void gtk_multi_file_chooser_button_finalize(GObject *obj)
{
GtkMultiFileChooserButton *mfc = GTK_MULTI_FILE_CHOOSER_BUTTON(obj);
free(mfc->text);
G_OBJECT_CLASS(gtk_multi_file_chooser_button_parent_class)->finalize(obj);
}
static void gtk_multi_file_chooser_button_class_init(GtkMultiFileChooserButtonClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS(klass);
object_class->finalize = gtk_multi_file_chooser_button_finalize;
}
static void gtk_multi_file_chooser_button_init(GtkMultiFileChooserButton *mfc)
{
mfc->chooser = NULL;
mfc->filenames = NULL;
}
static void chooser_destroy_sig(GtkWidget *widget, GtkMultiFileChooserButton *mfc)
{
mfc->chooser = NULL;
}
static void delstring(gpointer data, gpointer user_data)
{
g_free(data);
}
static void chooser_response_sig(GtkWidget *dialog, gint resp,
GtkMultiFileChooserButton *mfc)
{
if ( resp == GTK_RESPONSE_ACCEPT ) {
int n;
char tmp[64];
if ( mfc->filenames != NULL ) {
g_slist_foreach(mfc->filenames, delstring, NULL);
g_slist_free(mfc->filenames);
}
mfc->filenames = gtk_file_chooser_get_filenames(GTK_FILE_CHOOSER(dialog));
n = g_slist_length(mfc->filenames);
snprintf(tmp, 63, "%i files selected", n);
gtk_button_set_label(GTK_BUTTON(mfc), tmp);
}
gtk_widget_destroy(dialog);
}
static void click_sig(GtkMultiFileChooserButton *mfc, gpointer data)
{
GtkWidget *parent;
if ( mfc->chooser != NULL ) return;
parent = gtk_widget_get_toplevel(GTK_WIDGET(mfc));
if ( !GTK_IS_WINDOW(parent) ) {
parent = NULL;
}
mfc->chooser = gtk_file_chooser_dialog_new(mfc->text,
GTK_WINDOW(parent),
GTK_FILE_CHOOSER_ACTION_OPEN,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
"Select", GTK_RESPONSE_ACCEPT,
NULL);
gtk_file_chooser_set_select_multiple(GTK_FILE_CHOOSER(mfc->chooser), TRUE);
g_signal_connect(mfc->chooser, "destroy",
G_CALLBACK(chooser_destroy_sig), mfc);
g_signal_connect(G_OBJECT(mfc->chooser), "response",
G_CALLBACK(chooser_response_sig), mfc);
gtk_widget_show(mfc->chooser);
}
GtkWidget *gtk_multi_file_chooser_button_new(const char *text)
{
GtkMultiFileChooserButton *mfc;
mfc = g_object_new(GTK_TYPE_MULTI_FILE_CHOOSER_BUTTON, NULL);
mfc->text = strdup(text);
gtk_button_set_label(GTK_BUTTON(mfc), mfc->text);
g_signal_connect(mfc, "clicked", G_CALLBACK(click_sig), NULL);
return GTK_WIDGET(mfc);
}
GSList *gtk_multi_file_chooser_button_get_filenames(GtkMultiFileChooserButton *mfc)
{
return mfc->filenames;
}
|
