ui/winui/dnd.cpp

Wed, 30 Oct 2024 12:23:52 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Wed, 30 Oct 2024 12:23:52 +0100
branch
newapi
changeset 374
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parent 243
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permissions
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add textarea (WINUI)

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1 /*
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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3 *
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4 * Copyright 2023 Olaf Wintermann. All rights reserved.
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5 *
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6 * Redistribution and use in source and binary forms, with or without
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7 * modification, are permitted provided that the following conditions are met:
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8 *
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9 * 1. Redistributions of source code must retain the above copyright
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10 * notice, this list of conditions and the following disclaimer.
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11 *
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12 * 2. Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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26 * POSSIBILITY OF SUCH DAMAGE.
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27 */
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28
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29 #include "pch.h"
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30
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31 #include "dnd.h"
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32 #include "util.h"
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33
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34 #include <thread>
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35
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36 using namespace winrt;
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37 using namespace Windows::ApplicationModel::DataTransfer;
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38 using namespace Windows::Storage;
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39 using namespace Windows::Storage::Streams;
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40
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41 UIEXPORT void ui_selection_settext(UiDnD* dnd, char* str, int len) {
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42 if (dnd->data) {
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43 if (len < 0) {
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44 len = strlen(str);
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45 }
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46 wchar_t *wstr = str2wstr_len(str, len, nullptr);
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47
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48 dnd->data.SetText(wstr);
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49
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50 free(wstr);
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51
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52 }
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53 }
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54
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55 UIEXPORT void ui_selection_seturis(UiDnD* dnd, char** uris, int nelm) {
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56
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57 }
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59
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60 UIEXPORT char* ui_selection_gettext(UiDnD* dnd) {
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61 return nullptr;
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62 }
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63
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64
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65 UIEXPORT UiFileList ui_selection_geturis(UiDnD *dnd) {
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66 UiFileList flist;
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67 flist.files = nullptr;
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68 flist.nfiles = 0;
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69
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70 if (dnd->dataview.Contains(StandardDataFormats::StorageItems())) {
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71 UiFileList *flist_ptr = &flist;
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72
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73 // we need to execute this in a different thread
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74 // this could block the main gui thread, but shouldn't happen with a simple uri list
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75 std::thread getDataThread([dnd, flist_ptr]() {
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76 auto items = dnd->dataview.GetStorageItemsAsync().get();
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77
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78 char **uris = (char**)calloc(items.Size(), sizeof(char*));
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79 flist_ptr->files = uris;
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80 flist_ptr->nfiles = items.Size();
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81
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82 int i = 0;
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83 for (IStorageItem const& item : items) {
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84 winrt::hstring path = item.Path();
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85 uris[i++] = wchar2utf8(path.c_str(), path.size());
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86 }
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87 });
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88 getDataThread.join();
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89 }
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90 return flist;
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91 }

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