Atlas - SDL_waylandclipboard.c
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[FILE BEGIN]
1/*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2018 Sam Lantinga <[email protected]>
4
5  This software is provided 'as-is', without any express or implied
6  warranty.  In no event will the authors be held liable for any damages
7  arising from the use of this software.
8
9  Permission is granted to anyone to use this software for any purpose,
10  including commercial applications, and to alter it and redistribute it
11  freely, subject to the following restrictions:
12
13  1. The origin of this software must not be misrepresented; you must not
14     claim that you wrote the original software. If you use this software
15     in a product, an acknowledgment in the product documentation would be
16     appreciated but is not required.
17  2. Altered source versions must be plainly marked as such, and must not be
18     misrepresented as being the original software.
19  3. This notice may not be removed or altered from any source distribution.
20*/
21#include "../../SDL_internal.h"
22
23#if SDL_VIDEO_DRIVER_WAYLAND
24
25#include "SDL_waylanddatamanager.h"
26#include "SDL_waylandevents_c.h"
27
28int
29Wayland_SetClipboardText(_THIS, const char *text)
30{
31    SDL_VideoData *video_data = NULL;
32    SDL_WaylandDataDevice *data_device = NULL;
33    
34    int status = 0;
35 
36    if (_this == NULL || _this->driverdata == NULL) {
37        status = SDL_SetError("Video driver uninitialized");
38    } else {
39        video_data = _this->driverdata;
40        /* TODO: Support more than one seat */ 
41        data_device = Wayland_get_data_device(video_data->input);
42        if (text[0] != '\0') {
43            SDL_WaylandDataSource* source = Wayland_data_source_create(_this);
44            Wayland_data_source_add_data(source, TEXT_MIME, text,
45                                         strlen(text) + 1); 
46
47            status = Wayland_data_device_set_selection(data_device, source);
48            if (status != 0) {
49                Wayland_data_source_destroy(source);
50            }
51        } else {
52            status = Wayland_data_device_clear_selection(data_device);
53        }
54    }
55
56    return status;
57}
58
59char *
60Wayland_GetClipboardText(_THIS)
61{
62    SDL_VideoData *video_data = NULL;
63    SDL_WaylandDataDevice *data_device = NULL;
64
65    char *text = NULL;
66
67    void *buffer = NULL;
68    size_t length = 0;
69 
70    if (_this == NULL || _this->driverdata == NULL) {
71        SDL_SetError("Video driver uninitialized");
72    } else {
73        video_data = _this->driverdata;
74        /* TODO: Support more than one seat */ 
75        data_device = Wayland_get_data_device(video_data->input);
76        if (data_device->selection_offer != NULL) {
77            buffer = Wayland_data_offer_receive(data_device->selection_offer,
78                                                &length, TEXT_MIME, SDL_TRUE);
79            if (length > 0) {
80                text = (char*) buffer;
81            } 
82        } else if (data_device->selection_source != NULL) {
83            buffer = Wayland_data_source_get_data(data_device->selection_source,
84                                                  &length, TEXT_MIME, SDL_TRUE);
85            if (length > 0) {
86                text = (char*) buffer;
87            } 
88        }
89    }
90
91    if (text == NULL) {
92        text = SDL_strdup("");
93    }
94
95    return text;
96}
97
98SDL_bool
99Wayland_HasClipboardText(_THIS)
100{
101    SDL_VideoData *video_data = NULL;
102    SDL_WaylandDataDevice *data_device = NULL;
103
104    SDL_bool result = SDL_FALSE;    
105    if (_this == NULL || _this->driverdata == NULL) {
106        SDL_SetError("Video driver uninitialized");
107    } else {
108        video_data = _this->driverdata;
109        data_device = Wayland_get_data_device(video_data->input);
110        if (data_device != NULL && Wayland_data_offer_has_mime(
111                data_device->selection_offer, TEXT_MIME)) {
112            result = SDL_TRUE;
113        } else if(data_device != NULL && Wayland_data_source_has_mime(
114                data_device->selection_source, TEXT_MIME)) {
115            result = SDL_TRUE;
116        }
117    }
118    return result;
119}
120
121#endif /* SDL_VIDEO_DRIVER_WAYLAND */
122
123/* vi: set ts=4 sw=4 expandtab: */
124
[FILE END]
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