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wayland: Add support for images in clipboard.

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Re-writes the clipboard data handling in wayland to an on demand
solution where callbacks are provided to generate/provide the clipboard
data when requested by the OS.
This commit is contained in:
Linus Probert 2023-04-21 20:07:24 +02:00 committed by Sam Lantinga
parent dfd80f3d76
commit 19adfa3ad9
16 changed files with 532 additions and 194 deletions
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90
include/SDL3/SDL_clipboard.h
View File

@ -129,6 +129,96 @@ extern DECLSPEC char * SDLCALL SDL_GetPrimarySelectionText(void);
*/
extern DECLSPEC SDL_bool SDLCALL SDL_HasPrimarySelectionText(void);
/**
* Callback function that will be called when data for the specified mime-type
* is requested by the OS.
*
* \param size The length of the returned data
* \param mime_type The requested mime-type
* \param userdata A pointer to provided user data
* \returns a pointer to the data for the provided mime-type. Returning NULL or
* setting length to 0 will cause no data to be sent to the "receiver". It is
* up to the receiver to handle this. Essentially returning no data is more or
* less undefined behavior and may cause breakage in receiving applications.
* The returned data will not be freed so it needs to be retained and dealt
* with internally.
*
* \since This function is available since SDL 3.0.0.
*
* \sa SDL_SetClipboardData
*/
typedef void *(SDLCALL *SDL_ClipboardDataCallback)(size_t *size, const char *mime_type, void *userdata);
/**
* \brief Offer clipboard data to the OS
*
* Tell the operating system that the application is offering clipboard data
* for each of the proivded mime-types. Once another application requests the
* data the callback function will be called allowing it to generate and
* respond with the data for the requested mime-type.
*
* The userdata submitted to this function needs to be freed manually. The
* following scenarios need to be handled:
*
* - When the programs clipboard is replaced (cancelled) SDL_EVENT_CLIPBOARD_CANCELLED
* - Before calling SDL_Quit()
*
* \param callback A function pointer to the function that provides the clipboard data
* \param mime_count The number of mime-types in the mime_types list
* \param mime_types A list of mime-types that are being offered
* \param userdata An opaque pointer that will be forwarded to the callback
* \returns 0 on success or a negative error code on failure; call
* SDL_GetError() for more information.
*
* \since This function is available since SDL 3.0.0.
*
* \sa SDL_ClipboardDataCallback
* \sa SDL_GetClipboardUserdata
* \sa SDL_SetClipboardData
* \sa SDL_GetClipboardData
* \sa SDL_HasClipboardData
*/
extern DECLSPEC int SDLCALL SDL_SetClipboardData(SDL_ClipboardDataCallback callback, size_t mime_count,
const char **mime_types, void *userdata);
/**
* Retrieve previously set userdata if any.
*
* \since This function is available since SDL 3.0.0.
*
* \returns a pointer to the data or NULL if no data exists
*/
extern DECLSPEC void *SDLCALL SDL_GetClipboardUserdata(void);
/**
* Get the data from clipboard for a given mime type
*
* \param[out] length A pointer to hold the buffer length
* \param mime_type The mime type to read from the clipboard
* \returns the retrieved data buffer or NULL on failure; call
* SDL_GetError() for more information. Caller must call
* SDL_free() on the returned pointer when done with it.
*
* \since This function is available since SDL 3.0.0.
*
* \sa SDL_SetClipboardData
*/
extern DECLSPEC void *SDLCALL SDL_GetClipboardData(size_t *length, const char *mime_type);
/**
* Query whether there is data in the clipboard for the provided mime type
*
* \param mime_type The mime type to check for data for
*
* \returns SDL_TRUE if there exists data in clipboard for the provided mime
* type, SDL_FALSE if it does not.
*
* \since This function is available since SDL 3.0.0.
*
* \sa SDL_SetClipboardData
* \sa SDL_GetClipboardData
*/
extern DECLSPEC SDL_bool SDLCALL SDL_HasClipboardData(const char *mime_type);
/* Ends C function definitions when using C++ */
#ifdef __cplusplus

14
include/SDL3/SDL_events.h
View File

@ -172,6 +172,7 @@ typedef enum
/* Clipboard events */
SDL_EVENT_CLIPBOARD_UPDATE = 0x900, /**< The clipboard or primary selection changed */
SDL_EVENT_CLIPBOARD_CANCELLED, /**< The clipboard or primary selection cancelled */
/* Drag and drop events */
SDL_EVENT_DROP_FILE = 0x1000, /**< The system requests a file open */
@ -530,6 +531,18 @@ typedef struct SDL_DropEvent
float y; /**< Y coordinate, relative to window (not on begin) */
} SDL_DropEvent;
/**
* \brief An event triggered when the applications active clipboard content is cancelled by new clipboard content
* \note Primary use for this event is to free any userdata you may have provided when setting the clipboard data.
*
* \sa SDL_SetClipboardData
*/
typedef struct SDL_ClipboardCancelled
{
Uint32 type; /**< ::SDL_EVENT_CLIPBOARD_CANCELLED or ::SDL_EVENT_CLIPBOARD_UPDATE */
Uint64 timestamp; /**< In nanoseconds, populated using SDL_GetTicksNS() */
void *userdata; /**< User data if any has been set. NULL for ::SDL_EVENT_CLIPBOARD_UPDATE */
} SDL_ClipboardEvent;
/**
* \brief Sensor event structure (event.sensor.*)
@ -624,6 +637,7 @@ typedef union SDL_Event
SDL_SysWMEvent syswm; /**< System dependent window event data */
SDL_TouchFingerEvent tfinger; /**< Touch finger event data */
SDL_DropEvent drop; /**< Drag and drop event data */
SDL_ClipboardEvent clipboard; /**< Clipboard cancelled event data */
/* This is necessary for ABI compatibility between Visual C++ and GCC.
Visual C++ will respect the push pack pragma and use 52 bytes (size of

4
src/dynapi/SDL_dynapi.sym
View File

@ -842,6 +842,10 @@ SDL3_0.0.0 {
SDL_CreatePopupWindow;
SDL_GetWindowParent;
SDL_CreateWindowWithPosition;
SDL_SetClipboardData;
SDL_GetClipboardUserdata;
SDL_GetClipboardData;
SDL_HasClipboardData;
SDL_GetAudioStreamFormat;
SDL_SetAudioStreamFormat;
SDL_CreateRWLock;

4
src/dynapi/SDL_dynapi_overrides.h
View File

@ -868,6 +868,10 @@
#define SDL_CreatePopupWindow SDL_CreatePopupWindow_REAL
#define SDL_GetWindowParent SDL_GetWindowParent_REAL
#define SDL_CreateWindowWithPosition SDL_CreateWindowWithPosition_REAL
#define SDL_SetClipboardData SDL_SetClipboardData_REAL
#define SDL_GetClipboardUserdata SDL_GetClipboardUserdata_REAL
#define SDL_GetClipboardData SDL_GetClipboardData_REAL
#define SDL_HasClipboardData SDL_HasClipboardData_REAL
#define SDL_GetAudioStreamFormat SDL_GetAudioStreamFormat_REAL
#define SDL_SetAudioStreamFormat SDL_SetAudioStreamFormat_REAL
#define SDL_CreateRWLock SDL_CreateRWLock_REAL

4
src/dynapi/SDL_dynapi_procs.h
View File

@ -913,6 +913,10 @@ SDL_DYNAPI_PROC(SDL_SystemTheme,SDL_GetSystemTheme,(void),(),return)
SDL_DYNAPI_PROC(SDL_Window*,SDL_CreatePopupWindow,(SDL_Window *a, int b, int c, int d, int e, Uint32 f),(a,b,c,d,e,f),return)
SDL_DYNAPI_PROC(SDL_Window*,SDL_GetWindowParent,(SDL_Window *a),(a),return)
SDL_DYNAPI_PROC(SDL_Window*,SDL_CreateWindowWithPosition,(const char *a, int b, int c, int d, int e, Uint32 f),(a,b,c,d,e,f),return)
SDL_DYNAPI_PROC(int,SDL_SetClipboardData,(SDL_ClipboardDataCallback a, size_t b, const char **c, void *d),(a,b,c,d),return)
SDL_DYNAPI_PROC(void*,SDL_GetClipboardUserdata,(void),(),return)
SDL_DYNAPI_PROC(void*,SDL_GetClipboardData,(size_t *a, const char *b),(a,b),return)
SDL_DYNAPI_PROC(SDL_bool,SDL_HasClipboardData,(const char *a),(a),return)
SDL_DYNAPI_PROC(int,SDL_GetAudioStreamFormat,(SDL_AudioStream *a, SDL_AudioFormat *b, int *c, int *d, SDL_AudioFormat *e, int *f, int *g),(a,b,c,d,e,f,g),return)
SDL_DYNAPI_PROC(int,SDL_SetAudioStreamFormat,(SDL_AudioStream *a, SDL_AudioFormat b, int c, int d, SDL_AudioFormat e, int f, int g),(a,b,c,d,e,f,g),return)
SDL_DYNAPI_PROC(SDL_RWLock*,SDL_CreateRWLock,(void),(),return)

19
src/events/SDL_clipboardevents.c
View File

@ -34,7 +34,24 @@ int SDL_SendClipboardUpdate(void)
if (SDL_EventEnabled(SDL_EVENT_CLIPBOARD_UPDATE)) {
SDL_Event event;
event.type = SDL_EVENT_CLIPBOARD_UPDATE;
event.common.timestamp = 0;
event.clipboard.timestamp = 0;
event.clipboard.userdata = NULL;
posted = (SDL_PushEvent(&event) > 0);
}
return posted;
}
int SDL_SendClipboardCancelled(void *userdata)
{
int posted;
/* Post the event, if desired */
posted = 0;
if (SDL_EventEnabled(SDL_EVENT_CLIPBOARD_CANCELLED)) {
SDL_Event event;
event.type = SDL_EVENT_CLIPBOARD_CANCELLED;
event.clipboard.timestamp = 0;
event.clipboard.userdata = userdata;
posted = (SDL_PushEvent(&event) > 0);
}
return posted;

2
src/events/SDL_clipboardevents_c.h
View File

@ -25,4 +25,6 @@
extern int SDL_SendClipboardUpdate(void);
extern int SDL_SendClipboardCancelled(void *userdata);
#endif /* SDL_clipboardevents_c_h_ */

63
src/video/SDL_clipboard.c
View File

@ -22,6 +22,22 @@
#include "SDL_sysvideo.h"
int
SDL_SetClipboardData(SDL_ClipboardDataCallback callback, size_t mime_count, const char **mime_types, void *userdata)
{
SDL_VideoDevice *_this = SDL_GetVideoDevice();
if (_this == NULL) {
return SDL_SetError("Video subsystem must be initialized to set clipboard text");
}
if (_this->SetClipboardData) {
return _this->SetClipboardData(_this, callback, mime_count, mime_types, userdata);
} else {
return SDL_Unsupported();
}
}
int SDL_SetClipboardText(const char *text)
{
SDL_VideoDevice *_this = SDL_GetVideoDevice();
@ -62,6 +78,22 @@ int SDL_SetPrimarySelectionText(const char *text)
}
}
void *
SDL_GetClipboardData(size_t *length, const char *mime_type)
{
SDL_VideoDevice *_this = SDL_GetVideoDevice();
if (_this == NULL) {
SDL_SetError("Video subsystem must be initialized to get clipboard data");
return NULL;
}
if (_this->GetClipboardData) {
return _this->GetClipboardData(_this, length, mime_type);
} else {
return NULL;
}
}
char *
SDL_GetClipboardText(void)
{
@ -104,6 +136,21 @@ SDL_GetPrimarySelectionText(void)
}
}
SDL_bool
SDL_HasClipboardData(const char *mime_type)
{
SDL_VideoDevice *_this = SDL_GetVideoDevice();
if (_this == NULL) {
SDL_SetError("Video subsystem must be initialized to check clipboard data");
return SDL_FALSE;
}
if (_this->HasClipboardData) {
return _this->HasClipboardData(_this, mime_type);
}
return SDL_FALSE;
}
SDL_bool
SDL_HasClipboardText(void)
{
@ -145,3 +192,19 @@ SDL_HasPrimarySelectionText(void)
return SDL_FALSE;
}
void *
SDL_GetClipboardUserdata(void)
{
SDL_VideoDevice *_this = SDL_GetVideoDevice();
if (_this == NULL) {
SDL_SetError("Video subsystem must be initialized to check clipboard userdata");
return NULL;
}
if (_this->GetClipboardUserdata) {
return _this->GetClipboardUserdata(_this);
}
return NULL;
}

5
src/video/SDL_sysvideo.h
View File

@ -334,6 +334,11 @@ struct SDL_VideoDevice
int (*SetPrimarySelectionText)(SDL_VideoDevice *_this, const char *text);
char *(*GetPrimarySelectionText)(SDL_VideoDevice *_this);
SDL_bool (*HasPrimarySelectionText)(SDL_VideoDevice *_this);
int (*SetClipboardData)(SDL_VideoDevice *_this, SDL_ClipboardDataCallback callback, size_t mime_count,
const char **mime_types, void *userdata);
void *(*GetClipboardData)(SDL_VideoDevice *_this, size_t *len, const char *mime_type);
SDL_bool (*HasClipboardData)(SDL_VideoDevice *_this, const char *mime_type);
void *(*GetClipboardUserdata)(SDL_VideoDevice *_this);
/* MessageBox */
int (*ShowMessageBox)(SDL_VideoDevice *_this, const SDL_MessageBoxData *messageboxdata, int *buttonid);

153
src/video/wayland/SDL_waylandclipboard.c
View File

@ -22,10 +22,74 @@
#ifdef SDL_VIDEO_DRIVER_WAYLAND
#include "../../events/SDL_events_c.h"
#include "SDL_waylanddatamanager.h"
#include "SDL_waylandevents_c.h"
#include "SDL_waylandclipboard.h"
int Wayland_SetClipboardData(SDL_VideoDevice *_this, SDL_ClipboardDataCallback callback, size_t mime_count, const char **mime_types,
void *userdata)
{
SDL_VideoData *video_data = NULL;
SDL_WaylandDataDevice *data_device = NULL;
int status = 0;
video_data = _this->driverdata;
if (video_data->input != NULL && video_data->input->data_device != NULL) {
data_device = video_data->input->data_device;
if (callback && mime_types) {
SDL_WaylandDataSource *source = Wayland_data_source_create(_this);
Wayland_data_source_set_callback(source, callback, userdata, SDL_FALSE);
status = Wayland_data_device_set_selection(data_device, source, mime_count, mime_types);
if (status != 0) {
Wayland_data_source_destroy(source);
}
} else {
status = Wayland_data_device_clear_selection(data_device);
}
}
return status;
}
#define TEXT_MIME_TYPES_LEN 5
static const char *text_mime_types[TEXT_MIME_TYPES_LEN] = {
TEXT_MIME,
"text/plain",
"TEXT",
"UTF8_STRING",
"STRING",
};
static void *Wayland_ClipboardTextCallback(size_t *length, const char *mime_type, void *userdata)
{
void *data = NULL;
SDL_bool valid_mime_type = SDL_FALSE;
*length = 0;
if (userdata == NULL) {
return data;
}
for (size_t i = 0; i < TEXT_MIME_TYPES_LEN; ++i) {
if (SDL_strcmp(mime_type, text_mime_types[i]) == 0) {
valid_mime_type = SDL_TRUE;
break;
}
}
if (valid_mime_type) {
char *text = userdata;
*length = SDL_strlen(text);
data = userdata;
}
return data;
}
int Wayland_SetClipboardText(SDL_VideoDevice *_this, const char *text)
{
SDL_VideoData *video_data = NULL;
@ -39,12 +103,12 @@ int Wayland_SetClipboardText(SDL_VideoDevice *_this, const char *text)
video_data = _this->driverdata;
if (video_data->input != NULL && video_data->input->data_device != NULL) {
data_device = video_data->input->data_device;
if (text[0] != '\0') {
SDL_WaylandDataSource *source = Wayland_data_source_create(_this);
Wayland_data_source_add_data(source, TEXT_MIME, text,
SDL_strlen(text));
Wayland_data_source_set_callback(source, Wayland_ClipboardTextCallback, SDL_strdup(text), SDL_TRUE);
status = Wayland_data_device_set_selection(data_device, source);
status = Wayland_data_device_set_selection(data_device, source, TEXT_MIME_TYPES_LEN, text_mime_types);
if (status != 0) {
Wayland_data_source_destroy(source);
}
@ -72,11 +136,12 @@ int Wayland_SetPrimarySelectionText(SDL_VideoDevice *_this, const char *text)
primary_selection_device = video_data->input->primary_selection_device;
if (text[0] != '\0') {
SDL_WaylandPrimarySelectionSource *source = Wayland_primary_selection_source_create(_this);
Wayland_primary_selection_source_add_data(source, TEXT_MIME, text,
SDL_strlen(text));
Wayland_primary_selection_source_set_callback(source, Wayland_ClipboardTextCallback, SDL_strdup(text));
status = Wayland_primary_selection_device_set_selection(primary_selection_device,
source);
source,
TEXT_MIME_TYPES_LEN,
text_mime_types);
if (status != 0) {
Wayland_primary_selection_source_destroy(source);
}
@ -89,6 +154,29 @@ int Wayland_SetPrimarySelectionText(SDL_VideoDevice *_this, const char *text)
return status;
}
void *Wayland_GetClipboardData(SDL_VideoDevice *_this, size_t *length, const char *mime_type)
{
SDL_VideoData *video_data = NULL;
SDL_WaylandDataDevice *data_device = NULL;
void *buffer = NULL;
video_data = _this->driverdata;
if (video_data->input != NULL && video_data->input->data_device != NULL) {
data_device = video_data->input->data_device;
if (data_device->selection_source != NULL) {
buffer = Wayland_data_source_get_data(data_device->selection_source,
length, mime_type, SDL_FALSE);
} else if (Wayland_data_offer_has_mime(
data_device->selection_offer, mime_type)) {
buffer = Wayland_data_offer_receive(data_device->selection_offer,
length, mime_type, SDL_FALSE);
}
}
return buffer;
}
char *Wayland_GetClipboardText(SDL_VideoDevice *_this)
{
SDL_VideoData *video_data = NULL;
@ -103,13 +191,10 @@ char *Wayland_GetClipboardText(SDL_VideoDevice *_this)
video_data = _this->driverdata;
if (video_data->input != NULL && video_data->input->data_device != NULL) {
data_device = video_data->input->data_device;
/* Prefer own selection, if not canceled */
if (Wayland_data_source_has_mime(
data_device->selection_source, TEXT_MIME)) {
text = Wayland_data_source_get_data(data_device->selection_source,
&length, TEXT_MIME, SDL_TRUE);
if (data_device->selection_source != NULL) {
text = Wayland_data_source_get_data(data_device->selection_source, &length, TEXT_MIME, SDL_TRUE);
} else if (Wayland_data_offer_has_mime(
data_device->selection_offer, TEXT_MIME)) {
data_device->selection_offer, TEXT_MIME)) {
text = Wayland_data_offer_receive(data_device->selection_offer,
&length, TEXT_MIME, SDL_TRUE);
}
@ -137,13 +222,10 @@ char *Wayland_GetPrimarySelectionText(SDL_VideoDevice *_this)
video_data = _this->driverdata;
if (video_data->input != NULL && video_data->input->primary_selection_device != NULL) {
primary_selection_device = video_data->input->primary_selection_device;
/* Prefer own selection, if not canceled */
if (Wayland_primary_selection_source_has_mime(
primary_selection_device->selection_source, TEXT_MIME)) {
text = Wayland_primary_selection_source_get_data(primary_selection_device->selection_source,
&length, TEXT_MIME, SDL_TRUE);
if (primary_selection_device->selection_source != NULL) {
text = Wayland_primary_selection_source_get_data(primary_selection_device->selection_source, &length, TEXT_MIME, SDL_TRUE);
} else if (Wayland_primary_selection_offer_has_mime(
primary_selection_device->selection_offer, TEXT_MIME)) {
primary_selection_device->selection_offer, TEXT_MIME)) {
text = Wayland_primary_selection_offer_receive(primary_selection_device->selection_offer,
&length, TEXT_MIME, SDL_TRUE);
}
@ -157,7 +239,7 @@ char *Wayland_GetPrimarySelectionText(SDL_VideoDevice *_this)
return text;
}
SDL_bool Wayland_HasClipboardText(SDL_VideoDevice *_this)
static SDL_bool HasClipboardData(SDL_VideoDevice *_this, const char *mime_type)
{
SDL_VideoData *video_data = NULL;
SDL_WaylandDataDevice *data_device = NULL;
@ -170,13 +252,22 @@ SDL_bool Wayland_HasClipboardText(SDL_VideoDevice *_this)
if (video_data->input != NULL && video_data->input->data_device != NULL) {
data_device = video_data->input->data_device;
result = result ||
Wayland_data_source_has_mime(data_device->selection_source, TEXT_MIME) ||
Wayland_data_offer_has_mime(data_device->selection_offer, TEXT_MIME);
Wayland_data_offer_has_mime(data_device->selection_offer, mime_type);
}
}
return result;
}
SDL_bool Wayland_HasClipboardData(SDL_VideoDevice *_this, const char *mime_type)
{
return HasClipboardData(_this, mime_type);
}
SDL_bool Wayland_HasClipboardText(SDL_VideoDevice *_this)
{
return HasClipboardData(_this, TEXT_MIME);
}
SDL_bool Wayland_HasPrimarySelectionText(SDL_VideoDevice *_this)
{
SDL_VideoData *video_data = NULL;
@ -190,8 +281,6 @@ SDL_bool Wayland_HasPrimarySelectionText(SDL_VideoDevice *_this)
if (video_data->input != NULL && video_data->input->primary_selection_device != NULL) {
primary_selection_device = video_data->input->primary_selection_device;
result = result ||
Wayland_primary_selection_source_has_mime(
primary_selection_device->selection_source, TEXT_MIME) ||
Wayland_primary_selection_offer_has_mime(
primary_selection_device->selection_offer, TEXT_MIME);
}
@ -199,4 +288,22 @@ SDL_bool Wayland_HasPrimarySelectionText(SDL_VideoDevice *_this)
return result;
}
void *Wayland_GetClipboardUserdata(SDL_VideoDevice *_this)
{
SDL_VideoData *video_data = NULL;
SDL_WaylandDataDevice *data_device = NULL;
void *data = NULL;
video_data = _this->driverdata;
if (video_data->input != NULL && video_data->input->data_device != NULL) {
data_device = video_data->input->data_device;
if (data_device->selection_source != NULL
&& data_device->selection_source->userdata.internal == SDL_FALSE) {
data = data_device->selection_source->userdata.data;
}
}
return data;
}
#endif /* SDL_VIDEO_DRIVER_WAYLAND */

5
src/video/wayland/SDL_waylandclipboard.h
View File

@ -23,11 +23,16 @@
#ifndef SDL_waylandclipboard_h_
#define SDL_waylandclipboard_h_
extern int Wayland_SetClipboardData(SDL_VideoDevice *_this, SDL_ClipboardDataCallback callback, size_t mime_count,
const char **mime_types, void *userdata);
extern void *Wayland_GetClipboardData(SDL_VideoDevice *_this, size_t *length, const char *mime_type);
extern SDL_bool Wayland_HasClipboardData(SDL_VideoDevice *_this, const char *mime_type);
extern int Wayland_SetClipboardText(SDL_VideoDevice *_this, const char *text);
extern char *Wayland_GetClipboardText(SDL_VideoDevice *_this);
extern SDL_bool Wayland_HasClipboardText(SDL_VideoDevice *_this);
extern int Wayland_SetPrimarySelectionText(SDL_VideoDevice *_this, const char *text);
extern char *Wayland_GetPrimarySelectionText(SDL_VideoDevice *_this);
extern SDL_bool Wayland_HasPrimarySelectionText(SDL_VideoDevice *_this);
extern void *Wayland_GetClipboardUserdata(SDL_VideoDevice *_this);
#endif /* SDL_waylandclipboard_h_ */

240
src/video/wayland/SDL_waylanddatamanager.c
View File

@ -29,6 +29,7 @@
#include <signal.h>
#include "../../core/unix/SDL_poll.h"
#include "../../events/SDL_events_c.h"
#include "SDL_waylandvideo.h"
#include "SDL_waylanddatamanager.h"
@ -136,31 +137,6 @@ static ssize_t read_pipe(int fd, void **buffer, size_t *total_length, SDL_bool n
return bytes_read;
}
#define MIME_LIST_SIZE 4
static const char *mime_conversion_list[MIME_LIST_SIZE][2] = {
{ "text/plain", TEXT_MIME },
{ "TEXT", TEXT_MIME },
{ "UTF8_STRING", TEXT_MIME },
{ "STRING", TEXT_MIME }
};
const char *Wayland_convert_mime_type(const char *mime_type)
{
const char *found = mime_type;
size_t index = 0;
for (index = 0; index < MIME_LIST_SIZE; ++index) {
if (SDL_strcmp(mime_conversion_list[index][0], mime_type) == 0) {
found = mime_conversion_list[index][1];
break;
}
}
return found;
}
static SDL_MimeDataList *mime_data_list_find(struct wl_list *list,
const char *mime_type)
{
@ -242,131 +218,112 @@ static void mime_data_list_free(struct wl_list *list)
}
}
static ssize_t
Wayland_source_send(SDL_MimeDataList *mime_data, const char *mime_type, int fd)
static size_t
Wayland_send_data(void *data, size_t length, int fd)
{
size_t written_bytes = 0;
ssize_t status = 0;
size_t result = 0;
if (mime_data == NULL || mime_data->data == NULL) {
status = SDL_SetError("Invalid mime type");
close(fd);
} else {
while (write_pipe(fd,
mime_data->data,
mime_data->length,
&written_bytes) > 0) {
if (length > 0 && data != NULL) {
while (write_pipe(fd, data, length, &result) > 0) {
/* Just keep spinning */
}
close(fd);
status = written_bytes;
}
return status;
close(fd);
return result;
}
ssize_t
Wayland_data_source_send(SDL_WaylandDataSource *source,
const char *mime_type, int fd)
{
SDL_MimeDataList *mime_data = NULL;
void *data = NULL;
size_t length = 0;
mime_type = Wayland_convert_mime_type(mime_type);
mime_data = mime_data_list_find(&source->mimes,
mime_type);
if (source->callback) {
data = source->callback(&length, mime_type, source->userdata.data);
}
return Wayland_source_send(mime_data, mime_type, fd);
return Wayland_send_data(data, length, fd);
}
ssize_t
Wayland_primary_selection_source_send(SDL_WaylandPrimarySelectionSource *source,
const char *mime_type, int fd)
{
SDL_MimeDataList *mime_data = NULL;
void *data = NULL;
size_t length = 0;
mime_type = Wayland_convert_mime_type(mime_type);
mime_data = mime_data_list_find(&source->mimes,
mime_type);
return Wayland_source_send(mime_data, mime_type, fd);
}
int Wayland_data_source_add_data(SDL_WaylandDataSource *source,
const char *mime_type,
const void *buffer,
size_t length)
{
return mime_data_list_add(&source->mimes, mime_type, buffer, length);
}
int Wayland_primary_selection_source_add_data(SDL_WaylandPrimarySelectionSource *source,
const char *mime_type,
const void *buffer,
size_t length)
{
return mime_data_list_add(&source->mimes, mime_type, buffer, length);
}
SDL_bool Wayland_data_source_has_mime(SDL_WaylandDataSource *source,
const char *mime_type)
{
SDL_bool found = SDL_FALSE;
if (source != NULL) {
found = mime_data_list_find(&source->mimes, mime_type) != NULL;
if (source->callback) {
data = source->callback(&length, mime_type, source->userdata.data);
}
return found;
return Wayland_send_data(data, length, fd);
}
SDL_bool Wayland_primary_selection_source_has_mime(SDL_WaylandPrimarySelectionSource *source,
const char *mime_type)
void Wayland_data_source_set_callback(SDL_WaylandDataSource *source,
SDL_ClipboardDataCallback callback,
void *userdata,
SDL_bool internal)
{
SDL_bool found = SDL_FALSE;
if (source != NULL) {
found = mime_data_list_find(&source->mimes, mime_type) != NULL;
source->callback = callback;
source->userdata.internal = internal;
source->userdata.data = userdata;
}
return found;
}
static void *Wayland_source_get_data(SDL_MimeDataList *mime_data,
size_t *length,
SDL_bool null_terminate)
int Wayland_primary_selection_source_set_callback(SDL_WaylandPrimarySelectionSource *source,
SDL_ClipboardDataCallback callback,
void *userdata)
{
void *buffer = NULL;
if (mime_data != NULL && mime_data->length > 0) {
size_t buffer_length = mime_data->length;
if (source == NULL) {
return SDL_InvalidParamError("source");
}
source->callback = callback;
source->userdata.internal = SDL_TRUE;
source->userdata.data = userdata;
return 0;
}
static void *Wayland_clone_data_buffer(void *buffer, size_t *len, SDL_bool null_terminate)
{
void *clone = NULL;
if (*len > 0 && buffer != NULL) {
if (null_terminate == SDL_TRUE) {
++buffer_length;
}
buffer = SDL_malloc(buffer_length);
if (buffer == NULL) {
*length = SDL_OutOfMemory();
clone = SDL_malloc((*len)+1);
if (clone == NULL) {
SDL_OutOfMemory();
} else {
SDL_memcpy(clone, buffer, *len);
((char *) clone)[*len] = '\0';
*len += 1;
}
} else {
*length = mime_data->length;
SDL_memcpy(buffer, mime_data->data, mime_data->length);
if (null_terminate) {
*((Uint8 *)buffer + mime_data->length) = 0;
clone = SDL_malloc(*len);
if (clone == NULL) {
SDL_OutOfMemory();
} else {
SDL_memcpy(clone, buffer, *len);
}
}
}
return buffer;
return clone;
}
void *Wayland_data_source_get_data(SDL_WaylandDataSource *source,
size_t *length, const char *mime_type,
SDL_bool null_terminate)
{
SDL_MimeDataList *mime_data = NULL;
void *buffer = NULL;
void *internal_buffer;
*length = 0;
if (source == NULL) {
SDL_SetError("Invalid data source");
} else {
mime_data = mime_data_list_find(&source->mimes, mime_type);
buffer = Wayland_source_get_data(mime_data, length, null_terminate);
} else if (source->callback != NULL) {
internal_buffer = source->callback(length, mime_type, source->userdata.data);
buffer = Wayland_clone_data_buffer(internal_buffer, length, null_terminate);
}
return buffer;
@ -376,15 +333,15 @@ void *Wayland_primary_selection_source_get_data(SDL_WaylandPrimarySelectionSourc
size_t *length, const char *mime_type,
SDL_bool null_terminate)
{
SDL_MimeDataList *mime_data = NULL;
void *buffer = NULL;
void *internal_buffer;
*length = 0;
if (source == NULL) {
SDL_SetError("Invalid primary selection source");
} else {
mime_data = mime_data_list_find(&source->mimes, mime_type);
buffer = Wayland_source_get_data(mime_data, length, null_terminate);
} else if (source->callback) {
internal_buffer = source->callback(length, mime_type, source->userdata.data);
buffer = Wayland_clone_data_buffer(internal_buffer, length, null_terminate);
}
return buffer;
@ -398,7 +355,11 @@ void Wayland_data_source_destroy(SDL_WaylandDataSource *source)
data_device->selection_source = NULL;
}
wl_data_source_destroy(source->source);
mime_data_list_free(&source->mimes);
if (source->userdata.internal == SDL_TRUE) {
SDL_free(source->userdata.data);
} else {
SDL_SendClipboardCancelled(source->userdata.data);
}
SDL_free(source);
}
}
@ -411,7 +372,9 @@ void Wayland_primary_selection_source_destroy(SDL_WaylandPrimarySelectionSource
primary_selection_device->selection_source = NULL;
}
zwp_primary_selection_source_v1_destroy(source->source);
mime_data_list_free(&source->mimes);
if (source->userdata.internal == SDL_TRUE) {
SDL_free(source->userdata.data);
}
SDL_free(source);
}
}
@ -566,36 +529,27 @@ int Wayland_primary_selection_device_clear_selection(SDL_WaylandPrimarySelection
}
int Wayland_data_device_set_selection(SDL_WaylandDataDevice *data_device,
SDL_WaylandDataSource *source)
SDL_WaylandDataSource *source,
size_t mime_count,
const char **mime_types)
{
int status = 0;
size_t num_offers = 0;
size_t index = 0;
if (data_device == NULL) {
status = SDL_SetError("Invalid Data Device");
} else if (source == NULL) {
status = SDL_SetError("Invalid source");
} else {
SDL_MimeDataList *mime_data = NULL;
size_t index = 0;
const char *mime_type;
wl_list_for_each (mime_data, &(source->mimes), link) {
for (index = 0; index < mime_count; ++index) {
mime_type = mime_types[index];
wl_data_source_offer(source->source,
mime_data->mime_type);
/* TODO - Improve system for multiple mime types to same data */
for (index = 0; index < MIME_LIST_SIZE; ++index) {
if (SDL_strcmp(mime_conversion_list[index][1], mime_data->mime_type) == 0) {
wl_data_source_offer(source->source,
mime_conversion_list[index][0]);
}
}
/* */
++num_offers;
mime_type);
}
if (num_offers == 0) {
if (index == 0) {
Wayland_data_device_clear_selection(data_device);
status = SDL_SetError("No mime data");
} else {
@ -617,36 +571,26 @@ int Wayland_data_device_set_selection(SDL_WaylandDataDevice *data_device,
}
int Wayland_primary_selection_device_set_selection(SDL_WaylandPrimarySelectionDevice *primary_selection_device,
SDL_WaylandPrimarySelectionSource *source)
SDL_WaylandPrimarySelectionSource *source,
size_t mime_count,
const char **mime_types)
{
int status = 0;
size_t num_offers = 0;
size_t index = 0;
if (primary_selection_device == NULL) {
status = SDL_SetError("Invalid Primary Selection Device");
} else if (source == NULL) {
status = SDL_SetError("Invalid source");
} else {
SDL_MimeDataList *mime_data = NULL;
size_t index = 0;
const char *mime_type = mime_types[index];
wl_list_for_each (mime_data, &(source->mimes), link) {
zwp_primary_selection_source_v1_offer(source->source,
mime_data->mime_type);
/* TODO - Improve system for multiple mime types to same data */
for (index = 0; index < MIME_LIST_SIZE; ++index) {
if (SDL_strcmp(mime_conversion_list[index][1], mime_data->mime_type) == 0) {
zwp_primary_selection_source_v1_offer(source->source,
mime_conversion_list[index][0]);
}
}
/* */
++num_offers;
for (index = 0; index < mime_count; ++index) {
mime_type = mime_types[index];
zwp_primary_selection_source_v1_offer(source->source, mime_type);
}
if (num_offers == 0) {
if (index == 0) {
Wayland_primary_selection_device_clear_selection(primary_selection_device);
status = SDL_SetError("No mime data");
} else {

42
src/video/wayland/SDL_waylanddatamanager.h
View File

@ -38,18 +38,27 @@ typedef struct
struct wl_list link;
} SDL_MimeDataList;
typedef struct SDL_WaylandUserdata
{
SDL_bool internal;
void *data;
} SDL_WaylandUserdata;
typedef struct
{
struct wl_data_source *source;
struct wl_list mimes;
void *data_device;
SDL_ClipboardDataCallback callback;
SDL_WaylandUserdata userdata;
} SDL_WaylandDataSource;
typedef struct
{
struct zwp_primary_selection_source_v1 *source;
struct wl_list mimes;
void *data_device;
void *primary_selection_device;
SDL_ClipboardDataCallback callback;
SDL_WaylandUserdata userdata;
} SDL_WaylandPrimarySelectionSource;
typedef struct
@ -92,8 +101,6 @@ typedef struct
SDL_WaylandPrimarySelectionOffer *selection_offer;
} SDL_WaylandPrimarySelectionDevice;
extern const char *Wayland_convert_mime_type(const char *mime_type);
/* Wayland Data Source / Primary Selection Source - (Sending) */
extern SDL_WaylandDataSource *Wayland_data_source_create(SDL_VideoDevice *_this);
extern SDL_WaylandPrimarySelectionSource *Wayland_primary_selection_source_create(SDL_VideoDevice *_this);
@ -101,18 +108,13 @@ extern ssize_t Wayland_data_source_send(SDL_WaylandDataSource *source,
const char *mime_type, int fd);
extern ssize_t Wayland_primary_selection_source_send(SDL_WaylandPrimarySelectionSource *source,
const char *mime_type, int fd);
extern int Wayland_data_source_add_data(SDL_WaylandDataSource *source,
const char *mime_type,
const void *buffer,
size_t length);
extern int Wayland_primary_selection_source_add_data(SDL_WaylandPrimarySelectionSource *source,
const char *mime_type,
const void *buffer,
size_t length);
extern SDL_bool Wayland_data_source_has_mime(SDL_WaylandDataSource *source,
const char *mime_type);
extern SDL_bool Wayland_primary_selection_source_has_mime(SDL_WaylandPrimarySelectionSource *source,
const char *mime_type);
extern void Wayland_data_source_set_callback(SDL_WaylandDataSource *source,
SDL_ClipboardDataCallback callback,
void *userdata,
SDL_bool internal);
extern int Wayland_primary_selection_source_set_callback(SDL_WaylandPrimarySelectionSource *source,
SDL_ClipboardDataCallback callback,
void *userdata);
extern void *Wayland_data_source_get_data(SDL_WaylandDataSource *source,
size_t *length,
const char *mime_type,
@ -148,9 +150,13 @@ extern void Wayland_primary_selection_offer_destroy(SDL_WaylandPrimarySelectionO
extern int Wayland_data_device_clear_selection(SDL_WaylandDataDevice *device);
extern int Wayland_primary_selection_device_clear_selection(SDL_WaylandPrimarySelectionDevice *device);
extern int Wayland_data_device_set_selection(SDL_WaylandDataDevice *device,
SDL_WaylandDataSource *source);
SDL_WaylandDataSource *source,
size_t mime_count,
const char **mime_types);
extern int Wayland_primary_selection_device_set_selection(SDL_WaylandPrimarySelectionDevice *device,
SDL_WaylandPrimarySelectionSource *source);
SDL_WaylandPrimarySelectionSource *source,
size_t mime_count,
const char **mime_types);
extern int Wayland_data_device_set_serial(SDL_WaylandDataDevice *device,
uint32_t serial);
extern int Wayland_primary_selection_device_set_serial(SDL_WaylandPrimarySelectionDevice *device,

10
src/video/wayland/SDL_waylandevents.c
View File

@ -1673,7 +1673,10 @@ static void data_source_handle_send(void *data, struct wl_data_source *wl_data_s
static void data_source_handle_cancelled(void *data, struct wl_data_source *wl_data_source)
{
Wayland_data_source_destroy(data);
SDL_WaylandDataSource *source = data;
if (source != NULL) {
Wayland_data_source_destroy(source);
}
}
static void data_source_handle_dnd_drop_performed(void *data, struct wl_data_source *wl_data_source)
@ -1739,7 +1742,6 @@ SDL_WaylandDataSource *Wayland_data_source_create(SDL_VideoDevice *_this)
SDL_OutOfMemory();
wl_data_source_destroy(id);
} else {
WAYLAND_wl_list_init(&(data_source->mimes));
data_source->source = id;
wl_data_source_set_user_data(id, data_source);
wl_data_source_add_listener(id, &data_source_listener,
@ -1774,7 +1776,6 @@ SDL_WaylandPrimarySelectionSource *Wayland_primary_selection_source_create(SDL_V
SDL_OutOfMemory();
zwp_primary_selection_source_v1_destroy(id);
} else {
WAYLAND_wl_list_init(&(primary_selection_source->mimes));
primary_selection_source->source = id;
zwp_primary_selection_source_v1_add_listener(id, &primary_selection_source_listener,
primary_selection_source);
@ -2728,6 +2729,9 @@ void Wayland_display_destroy_input(SDL_VideoData *d)
if (input->primary_selection_device->selection_offer != NULL) {
Wayland_primary_selection_offer_destroy(input->primary_selection_device->selection_offer);
}
if (input->primary_selection_device->selection_source != NULL) {
Wayland_primary_selection_source_destroy(input->primary_selection_device->selection_source);
}
SDL_free(input->primary_selection_device);
}

4
src/video/wayland/SDL_waylandvideo.c
View File

@ -269,12 +269,16 @@ static SDL_VideoDevice *Wayland_CreateDevice(void)
device->system_theme = SDL_SystemTheme_Get();
#endif
device->SetClipboardData = Wayland_SetClipboardData;
device->GetClipboardData = Wayland_GetClipboardData;
device->HasClipboardData = Wayland_HasClipboardData;
device->SetClipboardText = Wayland_SetClipboardText;
device->GetClipboardText = Wayland_GetClipboardText;
device->HasClipboardText = Wayland_HasClipboardText;
device->SetPrimarySelectionText = Wayland_SetPrimarySelectionText;
device->GetPrimarySelectionText = Wayland_GetPrimarySelectionText;
device->HasPrimarySelectionText = Wayland_HasPrimarySelectionText;
device->GetClipboardUserdata = Wayland_GetClipboardUserdata;
device->StartTextInput = Wayland_StartTextInput;
device->StopTextInput = Wayland_StopTextInput;
device->SetTextInputRect = Wayland_SetTextInputRect;

67
test/testautomation_clipboard.c
View File

@ -22,6 +22,19 @@ static int clipboard_testHasClipboardText(void *arg)
return TEST_COMPLETED;
}
/**
* \brief Check call to SDL_HasClipboardData
*
* \sa SDL_HasClipboardData
*/
static int clipboard_testHasClipboardData(void *arg)
{
SDL_HasClipboardData("image/png");
SDLTest_AssertPass("Call to SDL_HasClipboardText succeeded");
return TEST_COMPLETED;
}
/**
* \brief Check call to SDL_HasPrimarySelectionText
*
@ -51,6 +64,25 @@ static int clipboard_testGetClipboardText(void *arg)
return TEST_COMPLETED;
}
/**
* \brief Check call to SDL_GetClipboardData
*
* \sa SDL_GetClipboardText
*/
static int clipboard_testGetClipboardData(void *arg)
{
void *buffer = NULL;
size_t length;
buffer = SDL_GetClipboardData(&length, "image/png");
SDLTest_AssertPass("Call to SDL_GetClipboardData succeeded");
if (buffer != NULL) {
SDL_free(buffer);
}
return TEST_COMPLETED;
}
/**
* \brief Check call to SDL_GetPrimarySelectionText
*
@ -94,6 +126,27 @@ static int clipboard_testSetClipboardText(void *arg)
return TEST_COMPLETED;
}
/**
* \brief Check call to SDL_SetClipboardData
* \sa SDL_SetClipboardText
*/
static int clipboard_testSetClipboardData(void *arg)
{
int result = -1;
result = SDL_SetClipboardData(NULL, 0, NULL, NULL);
SDLTest_AssertPass("Call to SDL_SetClipboardData succeeded");
SDLTest_AssertCheck(
result == 0,
"Validate SDL_SetClipboardData result, expected 0, got %i",
result);
SDL_GetClipboardUserdata();
SDLTest_AssertPass("Call to SDL_GetClipboardUserdata succeeded");
return TEST_COMPLETED;
}
/**
* \brief Check call to SDL_SetPrimarySelectionText
* \sa SDL_SetPrimarySelectionText
@ -310,9 +363,21 @@ static const SDLTest_TestCaseReference clipboardTest8 = {
(SDLTest_TestCaseFp)clipboard_testPrimarySelectionTextFunctions, "clipboard_testPrimarySelectionTextFunctions", "End-to-end test of SDL_xyzPrimarySelectionText functions", TEST_ENABLED
};
static const SDLTest_TestCaseReference clipboardTest9 = {
(SDLTest_TestCaseFp)clipboard_testGetClipboardData, "clipboard_testGetClipboardData", "Check call to SDL_GetClipboardData", TEST_ENABLED
};
static const SDLTest_TestCaseReference clipboardTest10 = {
(SDLTest_TestCaseFp)clipboard_testSetClipboardData, "clipboard_testSetClipboardData", "Check call to SDL_SetClipboardData", TEST_ENABLED
};
static const SDLTest_TestCaseReference clipboardTest11 = {
(SDLTest_TestCaseFp)clipboard_testHasClipboardData, "clipboard_testHasClipboardData", "Check call to SDL_HasClipboardData", TEST_ENABLED
};
/* Sequence of Clipboard test cases */
static const SDLTest_TestCaseReference *clipboardTests[] = {
&clipboardTest1, &clipboardTest2, &clipboardTest3, &clipboardTest4, &clipboardTest5, &clipboardTest6, &clipboardTest7, &clipboardTest8, NULL
&clipboardTest1, &clipboardTest2, &clipboardTest3, &clipboardTest4, &clipboardTest5, &clipboardTest6, &clipboardTest7, &clipboardTest8, &clipboardTest9, &clipboardTest10, &clipboardTest11, NULL
};
/* Clipboard test suite (global) */