By using this, we can get rid of our own homebrewn solution scrap.[c|h] and drop X11 from the build system.pull/3/head
Christian Beier
6 years ago
parent
8f1b565dbe
commit
bfdb850bfb
@ -1,559 +0,0 @@
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/* Handle clipboard text and data in arbitrary formats */
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#include <stdio.h>
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#include <limits.h>
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#ifdef WIN32
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#include <SDL.h>
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#include <SDL_syswm.h>
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#else
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#include <SDL/SDL.h>
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#include <SDL/SDL_syswm.h>
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#endif
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#include "scrap.h"
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#include "rfb/rfbconfig.h"
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/* Determine what type of clipboard we are using */
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#if defined(__unix__) && !defined(__QNXNTO__) && defined(SDL_VIDEO_DRIVER_X11)
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#define X11_SCRAP
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#elif defined(__WIN32__)
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#define WIN_SCRAP
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#elif defined(__QNXNTO__)
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#define QNX_SCRAP
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#else
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#warning Unknown window manager for clipboard handling
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#endif /* scrap type */
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/* System dependent data types */
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#if defined(X11_SCRAP)
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typedef Atom scrap_type;
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static Atom XA_TARGETS, XA_TEXT, XA_COMPOUND_TEXT, XA_UTF8_STRING;
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#elif defined(WIN_SCRAP)
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typedef UINT scrap_type;
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#elif defined(QNX_SCRAP)
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typedef uint32_t scrap_type;
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#define Ph_CL_TEXT T('T', 'E', 'X', 'T')
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#else
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typedef int scrap_type;
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#endif /* scrap type */
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/* System dependent variables */
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#if defined(X11_SCRAP)
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static Display *SDL_Display;
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static Window SDL_Window;
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static void (*Lock_Display)(void);
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static void (*Unlock_Display)(void);
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static Atom XA_UTF8_STRING;
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#elif defined(WIN_SCRAP)
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static HWND SDL_Window;
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#elif defined(QNX_SCRAP)
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static unsigned short InputGroup;
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#endif /* scrap type */
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#define FORMAT_PREFIX "SDL_scrap_0x"
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static scrap_type convert_format(int type)
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{
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switch (type) {
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case T('T', 'E', 'X', 'T'):
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#if defined(X11_SCRAP)
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return XA_UTF8_STRING ? XA_UTF8_STRING : XA_STRING;
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#elif defined(WIN_SCRAP)
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return CF_TEXT;
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#elif defined(QNX_SCRAP)
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return Ph_CL_TEXT;
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#endif /* scrap type */
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default:
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{
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char format[sizeof(FORMAT_PREFIX)+8+1];
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sprintf(format, "%s%08lx", FORMAT_PREFIX,
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(unsigned long)type);
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#if defined(X11_SCRAP)
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return XInternAtom(SDL_Display, format, False);
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#elif defined(WIN_SCRAP)
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return RegisterClipboardFormat(format);
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#endif /* scrap type */
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}
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}
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}
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/* Convert internal data to scrap format */
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static int convert_data(int type, char *dst, const char *src, int srclen)
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{
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int dstlen;
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dstlen = 0;
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switch (type) {
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case T('T', 'E', 'X', 'T'):
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if (dst) {
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while (--srclen >= 0) {
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#if defined(__unix__)
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if (*src == '\r') {
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*dst++ = '\n';
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++dstlen;
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}
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else
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#elif defined(__WIN32__)
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if (*src == '\r') {
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*dst++ = '\r';
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++dstlen;
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*dst++ = '\n';
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++dstlen;
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}
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else
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#endif
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{
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*dst++ = *src;
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++dstlen;
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}
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++src;
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}
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*dst = '\0';
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++dstlen;
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}
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else {
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while (--srclen >= 0) {
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#if defined(__unix__)
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if (*src == '\r')
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++dstlen;
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else
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#elif defined(__WIN32__)
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if (*src == '\r') {
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++dstlen;
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++dstlen;
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}
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else
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#endif
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{
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++dstlen;
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}
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++src;
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}
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++dstlen;
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}
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break;
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default:
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if (dst) {
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*(int *)dst = srclen;
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dst += sizeof(int);
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memcpy(dst, src, srclen);
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}
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dstlen = sizeof(int)+srclen;
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break;
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}
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return(dstlen);
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}
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/* Convert scrap data to internal format */
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static int convert_scrap(int type, char *dst, char *src, int srclen)
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{
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int dstlen;
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dstlen = 0;
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switch (type) {
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case T('T', 'E', 'X', 'T'):
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{
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if (srclen == 0)
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srclen = strlen(src);
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if (dst) {
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while (--srclen >= 0) {
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#if defined(__WIN32__)
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if (*src == '\r')
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/* drop extraneous '\r' */;
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else
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#endif
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if (*src == '\n') {
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*dst++ = '\r';
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++dstlen;
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}
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else {
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*dst++ = *src;
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++dstlen;
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}
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++src;
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}
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*dst = '\0';
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++dstlen;
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}
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else {
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while (--srclen >= 0) {
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#if defined(__WIN32__)
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/* drop extraneous '\r' */;
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if (*src != '\r')
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#endif
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++dstlen;
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++src;
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}
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++dstlen;
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}
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break;
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}
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default:
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dstlen = *(int *)src;
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if (dst)
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memcpy(dst, src + sizeof(int),
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srclen ? srclen - sizeof(int) : dstlen);
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break;
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}
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return dstlen;
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}
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int init_scrap(void)
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{
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SDL_SysWMinfo info;
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int retval;
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/* Grab the window manager specific information */
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retval = -1;
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SDL_SetError("SDL is not running on known window manager");
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SDL_VERSION(&info.version);
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//FIXMEif (SDL_GetWMInfo(&info))
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{
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/* Save the information for later use */
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#if defined(X11_SCRAP)
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if (info.subsystem == SDL_SYSWM_X11) {
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SDL_Display = info.info.x11.display;
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SDL_Window = info.info.x11.window;
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Lock_Display = info.info.x11.lock_func;
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Unlock_Display = info.info.x11.unlock_func;
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/* Enable the special window hook events */
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SDL_EventState(SDL_SYSWMEVENT, SDL_ENABLE);
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SDL_SetEventFilter(clipboard_filter);
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XA_TARGETS = XInternAtom(SDL_Display, "TARGETS", False);
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XA_TEXT = XInternAtom(SDL_Display, "TEXT", False);
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XA_COMPOUND_TEXT = XInternAtom(SDL_Display,
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"COMPOUND_TEXT", False);
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XA_UTF8_STRING = XInternAtom(SDL_Display,
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"UTF8_STRING", False);
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retval = 0;
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}
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else
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SDL_SetError("SDL is not running on X11");
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#elif defined(WIN_SCRAP)
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SDL_Window = info.window;
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retval = 0;
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#elif defined(QNX_SCRAP)
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InputGroup = PhInputGroup(NULL);
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retval = 0;
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#endif /* scrap type */
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}
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return(retval);
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}
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int lost_scrap(void)
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{
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int retval;
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#if defined(X11_SCRAP)
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if (Lock_Display)
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Lock_Display();
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retval = (XGetSelectionOwner(SDL_Display, XA_PRIMARY) != SDL_Window);
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if (Unlock_Display)
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Unlock_Display();
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#elif defined(WIN_SCRAP)
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retval = (GetClipboardOwner() != SDL_Window);
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#elif defined(QNX_SCRAP)
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retval = (PhInputGroup(NULL) != InputGroup);
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#endif /* scrap type */
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return(retval);
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}
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void put_scrap(int type, int srclen, const char *src)
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{
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scrap_type format;
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int dstlen;
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char *dst;
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format = convert_format(type);
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dstlen = convert_data(type, NULL, src, srclen);
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#if defined(X11_SCRAP)
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dst = (char *)malloc(dstlen);
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if (dst != NULL) {
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if (Lock_Display)
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Lock_Display();
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convert_data(type, dst, src, srclen);
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XChangeProperty(SDL_Display, DefaultRootWindow(SDL_Display),
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XA_CUT_BUFFER0, format, 8, PropModeReplace,
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(unsigned char *)dst, dstlen);
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free(dst);
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if (lost_scrap())
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XSetSelectionOwner(SDL_Display, XA_PRIMARY,
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SDL_Window, CurrentTime);
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if (Unlock_Display)
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Unlock_Display();
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}
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#elif defined(WIN_SCRAP)
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if (OpenClipboard(SDL_Window)) {
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HANDLE hMem;
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hMem = GlobalAlloc((GMEM_MOVEABLE|GMEM_DDESHARE), dstlen);
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if (hMem != NULL) {
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dst = (char *)GlobalLock(hMem);
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convert_data(type, dst, src, srclen);
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GlobalUnlock(hMem);
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EmptyClipboard();
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SetClipboardData(format, hMem);
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}
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CloseClipboard();
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}
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#elif defined(QNX_SCRAP)
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#if (_NTO_VERSION < 620) /* before 6.2.0 releases */
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#define PhClipboardHdr PhClipHeader
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#endif
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{
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PhClipboardHdr clheader = { Ph_CLIPBOARD_TYPE_TEXT, 0, NULL };
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int* cldata;
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int status;
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dst = (char *)malloc(dstlen+4);
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if (dst != NULL) {
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cldata = (int*)dst;
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*cldata = type;
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convert_data(type, dst+4, src, srclen);
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clheader.data = dst;
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#if (_NTO_VERSION < 620) /* before 6.2.0 releases */
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if (dstlen > 65535)
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/* maximum photon clipboard size :(*/
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clheader.length = 65535;
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else
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#endif
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clheader.length = dstlen+4;
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status = PhClipboardCopy(InputGroup, 1, &clheader);
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if (status == -1)
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fprintf(stderr,
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"Photon: copy to clipboard failed!\n");
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free(dst);
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}
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}
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#endif /* scrap type */
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}
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void get_scrap(int type, int *dstlen, char **dst)
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{
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scrap_type format;
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*dstlen = 0;
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format = convert_format(type);
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#if defined(X11_SCRAP)
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{
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Window owner;
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Atom selection;
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Atom seln_type;
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int seln_format;
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unsigned long nbytes;
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unsigned long overflow;
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char *src;
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if (Lock_Display)
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Lock_Display();
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owner = XGetSelectionOwner(SDL_Display, XA_PRIMARY);
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if (Unlock_Display)
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Unlock_Display();
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if ((owner == None) || (owner == SDL_Window)) {
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owner = DefaultRootWindow(SDL_Display);
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selection = XA_CUT_BUFFER0;
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}
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else {
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int selection_response = 0;
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SDL_Event event;
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owner = SDL_Window;
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if (Lock_Display)
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Lock_Display();
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selection = XInternAtom(SDL_Display, "SDL_SELECTION",
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False);
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XConvertSelection(SDL_Display, XA_PRIMARY, format,
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selection, owner, CurrentTime);
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if (Unlock_Display)
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Unlock_Display();
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while (!selection_response) {
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SDL_WaitEvent(&event);
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if (event.type == SDL_SYSWMEVENT) {
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XEvent xevent =
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event.syswm.msg->event.xevent;
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if ((xevent.type == SelectionNotify) &&
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(xevent.xselection.requestor
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== owner))
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selection_response = 1;
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}
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}
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}
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if (Lock_Display)
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Lock_Display();
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if (XGetWindowProperty(SDL_Display, owner, selection,
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0, INT_MAX/4, False, format, &seln_type,
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&seln_format, &nbytes, &overflow,
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(unsigned char **)&src) == Success) {
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if (seln_type == format) {
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*dstlen = convert_scrap(type, NULL,
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src, nbytes);
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*dst = (char *)realloc(*dst, *dstlen);
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if (*dst == NULL)
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*dstlen = 0;
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else
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convert_scrap(type, *dst, src, nbytes);
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}
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XFree(src);
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}
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}
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if (Unlock_Display)
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Unlock_Display();
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#elif defined(WIN_SCRAP)
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if (IsClipboardFormatAvailable(format) && OpenClipboard(SDL_Window)) {
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HANDLE hMem;
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char *src;
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hMem = GetClipboardData(format);
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if (hMem != NULL) {
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src = (char *)GlobalLock(hMem);
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*dstlen = convert_scrap(type, NULL, src, 0);
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*dst = (char *)realloc(*dst, *dstlen);
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if (*dst == NULL)
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*dstlen = 0;
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else
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convert_scrap(type, *dst, src, 0);
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GlobalUnlock(hMem);
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}
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CloseClipboard();
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}
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#elif defined(QNX_SCRAP)
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#if (_NTO_VERSION < 620) /* before 6.2.0 releases */
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{
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void* clhandle;
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PhClipHeader* clheader;
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int* cldata;
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clhandle = PhClipboardPasteStart(InputGroup);
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if (clhandle != NULL) {
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clheader = PhClipboardPasteType(clhandle,
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Ph_CLIPBOARD_TYPE_TEXT);
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if (clheader != NULL) {
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cldata = clheader->data;
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if ((clheader->length>4) && (*cldata == type)) {
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*dstlen = convert_scrap(type, NULL,
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(char*)clheader->data+4,
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clheader->length-4);
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*dst = (char *)realloc(*dst, *dstlen);
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if (*dst == NULL)
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*dstlen = 0;
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else
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convert_scrap(type, *dst,
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(char*)clheader->data+4,
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clheader->length-4);
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}
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}
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PhClipboardPasteFinish(clhandle);
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}
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}
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#else /* 6.2.0 and 6.2.1 and future releases */
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{
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void* clhandle;
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PhClipboardHdr* clheader;
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int* cldata;
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clheader=PhClipboardRead(InputGroup, Ph_CLIPBOARD_TYPE_TEXT);
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if (clheader!=NULL) {
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cldata=clheader->data;
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if ((clheader->length>4) && (*cldata==type)) {
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*dstlen = convert_scrap(type, NULL,
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(char*)clheader->data+4,
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clheader->length-4);
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*dst = (char *)realloc(*dst, *dstlen);
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if (*dst == NULL)
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*dstlen = 0;
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else
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convert_scrap(type, *dst,
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(char*)clheader->data+4,
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clheader->length-4);
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}
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}
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}
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#endif
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#endif /* scrap type */
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}
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int clipboard_filter(const SDL_Event *event)
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{
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#if defined(X11_SCRAP)
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/* Post all non-window manager specific events */
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if (event->type != SDL_SYSWMEVENT)
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return(1);
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/* Handle window-manager specific clipboard events */
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switch (event->syswm.msg->event.xevent.type) {
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/* Copy the selection from XA_CUT_BUFFER0 to the requested property */
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case SelectionRequest: {
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XSelectionRequestEvent *req;
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XEvent sevent;
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int seln_format;
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unsigned long nbytes;
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unsigned long overflow;
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unsigned char *seln_data;
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req = &event->syswm.msg->event.xevent.xselectionrequest;
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if (req->target == XA_TARGETS) {
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Atom supported[] = {
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XA_TEXT, XA_COMPOUND_TEXT, XA_UTF8_STRING,
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XA_TARGETS, XA_STRING
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};
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XEvent response;
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XChangeProperty(SDL_Display, req->requestor,
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req->property, req->target, 32, PropModeReplace,
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(unsigned char*)supported,
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sizeof(supported) / sizeof(supported[0]));
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response.xselection.property=None;
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response.xselection.type= SelectionNotify;
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response.xselection.display= req->display;
|
||||
response.xselection.requestor= req->requestor;
|
||||
response.xselection.selection=req->selection;
|
||||
response.xselection.target= req->target;
|
||||
response.xselection.time = req->time;
|
||||
XSendEvent (SDL_Display, req->requestor,0,0,&response);
|
||||
XFlush (SDL_Display);
|
||||
return 1;
|
||||
}
|
||||
|
||||
sevent.xselection.type = SelectionNotify;
|
||||
sevent.xselection.display = req->display;
|
||||
sevent.xselection.selection = req->selection;
|
||||
sevent.xselection.target = None;
|
||||
sevent.xselection.property = req->property;
|
||||
sevent.xselection.requestor = req->requestor;
|
||||
sevent.xselection.time = req->time;
|
||||
if (XGetWindowProperty(SDL_Display,
|
||||
DefaultRootWindow(SDL_Display), XA_CUT_BUFFER0,
|
||||
0, INT_MAX/4, False, req->target,
|
||||
&sevent.xselection.target, &seln_format,
|
||||
&nbytes, &overflow, &seln_data) == Success) {
|
||||
if (sevent.xselection.target == req->target) {
|
||||
if (sevent.xselection.target == XA_STRING &&
|
||||
nbytes > 0 &&
|
||||
seln_data[nbytes-1] == '\0')
|
||||
--nbytes;
|
||||
XChangeProperty(SDL_Display, req->requestor,
|
||||
req->property, sevent.xselection.target,
|
||||
seln_format, PropModeReplace,
|
||||
seln_data, nbytes);
|
||||
sevent.xselection.property = req->property;
|
||||
}
|
||||
XFree(seln_data);
|
||||
}
|
||||
XSendEvent(SDL_Display,req->requestor,False,0,&sevent);
|
||||
XSync(SDL_Display, False);
|
||||
break;
|
||||
}
|
||||
}
|
||||
/* Post the event for X11 clipboard reading above */
|
||||
#endif /* X11_SCRAP */
|
||||
return(1);
|
||||
}
|
||||
@ -1,18 +0,0 @@
|
||||
/* Handle clipboard text and data in arbitrary formats */
|
||||
|
||||
/* Miscellaneous defines */
|
||||
#define T(A, B, C, D) (int)((A<<24)|(B<<16)|(C<<8)|(D<<0))
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif /* __cplusplus */
|
||||
|
||||
extern int init_scrap(void);
|
||||
extern int lost_scrap(void);
|
||||
extern void put_scrap(int type, int srclen, const char *src);
|
||||
extern void get_scrap(int type, int *dstlen, char **dst);
|
||||
extern int clipboard_filter(const SDL_Event *event);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif /* __cplusplus */
|
||||
Loading…
Reference in new issue