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Added SDL_DROPTEXT event, for dragging and dropping string data.

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This patch is based on work in Unreal Engine 4's fork of SDL,
compliments of Epic Games.
This commit is contained in:
Ryan C. Gordon
2016-01-05 02:26:45 -05:00
parent c3114975db
commit f9b7379341
5 changed files with 38 additions and 38 deletions
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44
src/video/x11/SDL_x11events.c
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@@ -117,7 +117,9 @@ static Atom X11_PickTarget(Display *disp, Atom list[], int list_count)
int i;
for (i=0; i < list_count && request == None; i++) {
name = X11_XGetAtomName(disp, list[i]);
if (strcmp("text/uri-list", name)==0) request = list[i];
if ((SDL_strcmp("text/uri-list", name) == 0) || (SDL_strcmp("text/plain", name) == 0)) {
request = list[i];
}
X11_XFree(name);
}
return request;
@@ -1223,37 +1225,19 @@ X11_DispatchEvent(_THIS)
X11_ReadProperty(&p, display, data->xwindow, videodata->PRIMARY);
if (p.format == 8) {
SDL_bool expect_lf = SDL_FALSE;
char *start = NULL;
char *scan = (char*)p.data;
char *fn;
char *uri;
int length = 0;
while (p.count--) {
if (!expect_lf) {
if (*scan == 0x0D) {
expect_lf = SDL_TRUE;
/* !!! FIXME: don't use strtok here. It's not reentrant and not in SDL_stdinc. */
char* name = X11_XGetAtomName(display, target);
char *token = strtok((char *) p.data, "\r\n");
while (token != NULL) {
if (SDL_strcmp("text/plain", name)==0) {
SDL_SendDropText(token);
} else if (SDL_strcmp("text/uri-list", name)==0) {
char *fn = X11_URIToLocal(token);
if (fn) {
SDL_SendDropFile(fn);
}
if (start == NULL) {
start = scan;
length = 0;
}
length++;
} else {
if (*scan == 0x0A && length > 0) {
uri = SDL_malloc(length--);
SDL_memcpy(uri, start, length);
uri[length] = '\0';
fn = X11_URIToLocal(uri);
if (fn) {
SDL_SendDropFile(fn);
}
SDL_free(uri);
}
expect_lf = SDL_FALSE;
start = NULL;
}
scan++;
token = strtok(NULL, "\r\n");
}
}