ui/winui/dnd.cpp

changeset 431
bb7da585debc
parent 243
9f66c31a27ed
equal deleted inserted replaced
169:fe49cff3c571 431:bb7da585debc
1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2023 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 "pch.h"
30
31 #include "dnd.h"
32 #include "util.h"
33
34 #include <thread>
35
36 using namespace winrt;
37 using namespace Windows::ApplicationModel::DataTransfer;
38 using namespace Windows::Storage;
39 using namespace Windows::Storage::Streams;
40
41 UIEXPORT void ui_selection_settext(UiDnD* dnd, char* str, int len) {
42 if (dnd->data) {
43 if (len < 0) {
44 len = strlen(str);
45 }
46 wchar_t *wstr = str2wstr_len(str, len, nullptr);
47
48 dnd->data.SetText(wstr);
49
50 free(wstr);
51
52 }
53 }
54
55 UIEXPORT void ui_selection_seturis(UiDnD* dnd, char** uris, int nelm) {
56
57 }
58
59
60 UIEXPORT char* ui_selection_gettext(UiDnD* dnd) {
61 return nullptr;
62 }
63
64
65 UIEXPORT UiFileList ui_selection_geturis(UiDnD *dnd) {
66 UiFileList flist;
67 flist.files = nullptr;
68 flist.nfiles = 0;
69
70 if (dnd->dataview.Contains(StandardDataFormats::StorageItems())) {
71 UiFileList *flist_ptr = &flist;
72
73 // we need to execute this in a different thread
74 // this could block the main gui thread, but shouldn't happen with a simple uri list
75 std::thread getDataThread([dnd, flist_ptr]() {
76 auto items = dnd->dataview.GetStorageItemsAsync().get();
77
78 char **uris = (char**)calloc(items.Size(), sizeof(char*));
79 flist_ptr->files = uris;
80 flist_ptr->nfiles = items.Size();
81
82 int i = 0;
83 for (IStorageItem const& item : items) {
84 winrt::hstring path = item.Path();
85 uris[i++] = wchar2utf8(path.c_str(), path.size());
86 }
87 });
88 getDataThread.join();
89 }
90 return flist;
91 }

mercurial