ui/gtk/dnd.c

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1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2017 Olaf Wintermann. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <stdio.h>
30 #include <stdlib.h>
31 #include <string.h>
32
33 #include "dnd.h"
34 #include <cx/buffer.h>
35
36 #ifdef UI_GTK2LEGACY
37 static gboolean selection_data_set_uris(GtkSelectionData *selection_data, char **uris) {
38 CxBuffer *buf = cxBufferCreate(NULL, 1024, cxDefaultAllocator, CX_BUFFER_FREE_CONTENTS|CX_BUFFER_AUTO_EXTEND);
39 char *uri;
40 int i = 0;
41 while((uri = uris[i]) != NULL) {
42 cxBufferPutString(buf, uri);
43 cxBufferPutString(buf, "\r\n");
44 }
45 GdkAtom type = gdk_atom_intern("text/uri-list", FALSE);
46 gtk_selection_data_set(selection_data, type, 8, (guchar*)buf->space, buf->pos);
47 cxBufferFree(buf);
48 return TRUE;
49 }
50 static char** selection_data_get_uris(GtkSelectionData *selection_data) {
51 // TODO: implement
52 return NULL;
53 }
54 #define gtk_selection_data_set_uris selection_data_set_uris
55 #define gtk_selection_data_get_uris selection_data_get_uris
56 #endif
57
58 void ui_selection_settext(UiSelection *sel, char *str, int len) {
59 // TODO: handle error?
60 gtk_selection_data_set_text(sel->data, str, len);
61 }
62
63 void ui_selection_seturis(UiSelection *sel, char **uris, int nelm) {
64 char **uriarray = calloc(nelm+1, sizeof(char*));
65 for(int i=0;i<nelm;i++) {
66 uriarray[i] = uris[i];
67 }
68 uriarray[nelm] = NULL;
69 gtk_selection_data_set_uris(sel->data, uriarray);
70 }
71
72 char* ui_selection_gettext(UiSelection *sel) {
73 guchar *text = gtk_selection_data_get_text(sel->data);
74 if(text) {
75 char *textcp = strdup((char*)text);
76 g_free(text);
77 return textcp;
78 }
79 return NULL;
80 }
81
82 char** ui_selection_geturis(UiSelection *sel, size_t *nelm) {
83 gchar **uris = gtk_selection_data_get_uris(sel->data);
84 if(uris) {
85 size_t al = 32;
86 char **array = malloc(al * sizeof(char*));
87 size_t i = 0;
88 while(uris[i] != NULL) {
89 if(i >= al) {
90 al *= 2;
91 array = realloc(array, al * sizeof(char*));
92 }
93 array[i] = strdup((char*)uris[i]);
94 i++;
95 }
96 *nelm = i;
97 g_strfreev(uris);
98 return array;
99 }
100 return NULL;
101 }

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