ui/gtk/dnd.c

Sun, 16 Jun 2024 11:36:27 +0200

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Sun, 16 Jun 2024 11:36:27 +0200
changeset 42
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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 2017 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 <stdio.h>
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30 #include <stdlib.h>
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31 #include <string.h>
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32
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33 #include "dnd.h"
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34 #include <cx/buffer.h>
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35
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36 #ifdef UI_GTK2LEGACY
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37 static gboolean selection_data_set_uris(GtkSelectionData *selection_data, char **uris) {
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38 CxBuffer *buf = cxBufferCreate(NULL, 1024, cxDefaultAllocator, CX_BUFFER_FREE_CONTENTS|CX_BUFFER_AUTO_EXTEND);
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39 char *uri;
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40 int i = 0;
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41 while((uri = uris[i]) != NULL) {
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42 cxBufferPutString(buf, uri);
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43 cxBufferPutString(buf, "\r\n");
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44 }
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45 GdkAtom type = gdk_atom_intern("text/uri-list", FALSE);
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46 gtk_selection_data_set(selection_data, type, 8, (guchar*)buf->space, buf->pos);
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47 cxBufferFree(buf);
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48 return TRUE;
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49 }
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50 static char** selection_data_get_uris(GtkSelectionData *selection_data) {
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51 // TODO: implement
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52 return NULL;
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53 }
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54 #define gtk_selection_data_set_uris selection_data_set_uris
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55 #define gtk_selection_data_get_uris selection_data_get_uris
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56 #endif
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57
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58 /*
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59 void ui_selection_settext(UiSelection *sel, char *str, int len) {
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60 // TODO: handle error?
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61 gtk_selection_data_set_text(sel->data, str, len);
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62 }
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63
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64 void ui_selection_seturis(UiSelection *sel, char **uris, int nelm) {
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65 char **uriarray = calloc(nelm+1, sizeof(char*));
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66 for(int i=0;i<nelm;i++) {
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67 uriarray[i] = uris[i];
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68 }
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69 uriarray[nelm] = NULL;
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70 gtk_selection_data_set_uris(sel->data, uriarray);
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71 }
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72
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73 char* ui_selection_gettext(UiSelection *sel) {
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74 guchar *text = gtk_selection_data_get_text(sel->data);
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75 if(text) {
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76 char *textcp = strdup((char*)text);
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77 g_free(text);
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78 return textcp;
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79 }
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80 return NULL;
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81 }
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82
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83 char** ui_selection_geturis(UiSelection *sel, size_t *nelm) {
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84 gchar **uris = gtk_selection_data_get_uris(sel->data);
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85 if(uris) {
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86 size_t al = 32;
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87 char **array = malloc(al * sizeof(char*));
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88 size_t i = 0;
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89 while(uris[i] != NULL) {
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90 if(i >= al) {
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91 al *= 2;
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92 array = realloc(array, al * sizeof(char*));
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93 }
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94 array[i] = strdup((char*)uris[i]);
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95 i++;
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96 }
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97 *nelm = i;
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98 g_strfreev(uris);
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99 return array;
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100 }
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101 return NULL;
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102 }
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103 */
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104
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105 void ui_selection_settext(UiDnD *sel, char *str, int len) {
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106
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107 }
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108
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109 void ui_selection_seturis(UiDnD *sel, char **uris, int nelm) {
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110
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111 }
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112
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113 char* ui_selection_gettext(UiDnD *sel) {
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114 return NULL;
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115 }
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116
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117 UiFileList ui_selection_geturis(UiDnD *sel) {
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118 return (UiFileList){NULL,0};
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119 }

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