mirror of https://github.com/encounter/SDL.git
Added in a MIME-type to the X11 clipboard. (#4385)
This commit is contained in:
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5346cf842c
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a203194893
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@ -27,14 +27,7 @@
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#include "SDL_events.h"
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#include "SDL_events.h"
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#include "SDL_x11video.h"
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#include "SDL_x11video.h"
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#include "SDL_timer.h"
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#include "SDL_timer.h"
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#include "SDL_x11clipboard.h"
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/* If you don't support UTF-8, you might use XA_STRING here */
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#ifdef X_HAVE_UTF8_STRING
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#define TEXT_FORMAT X11_XInternAtom(display, "UTF8_STRING", False)
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#else
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#define TEXT_FORMAT XA_STRING
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#endif
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/* Get any application owned window handle for clipboard association */
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/* Get any application owned window handle for clipboard association */
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static Window
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static Window
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@ -59,19 +52,77 @@ GetWindow(_THIS)
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return data->clipboard_window;
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return data->clipboard_window;
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}
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}
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/* We use our own cut-buffer for intermediate storage instead of
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/* We use our own cut-buffer for intermediate storage instead of
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XA_CUT_BUFFER0 because their use isn't really defined for holding UTF8. */
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XA_CUT_BUFFER0 because their use isn't really defined for holding UTF8. */
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Atom
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Atom
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X11_GetSDLCutBufferClipboardType(Display *display)
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X11_GetSDLCutBufferClipboardType(Display *display, enum ESDLX11ClipboardMimeType mime_type)
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{
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{
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switch (mime_type) {
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case SDL_X11_CLIPBOARD_MIME_TYPE_STRING:
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case SDL_X11_CLIPBOARD_MIME_TYPE_TEXT_PLAIN:
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#ifdef X_HAVE_UTF8_STRING
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case SDL_X11_CLIPBOARD_MIME_TYPE_TEXT_PLAIN_UTF8:
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#endif
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case SDL_X11_CLIPBOARD_MIME_TYPE_TEXT:
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return X11_XInternAtom(display, "SDL_CUTBUFFER", False);
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return X11_XInternAtom(display, "SDL_CUTBUFFER", False);
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default:
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SDL_SetError("Can't find mime_type.");
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return XA_STRING;
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}
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}
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}
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Atom
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X11_GetSDLCutBufferClipboardExternalFormat(Display *display, enum ESDLX11ClipboardMimeType mime_type)
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{
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switch (mime_type) {
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case SDL_X11_CLIPBOARD_MIME_TYPE_STRING:
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/* If you don't support UTF-8, you might use XA_STRING here */
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#ifdef X_HAVE_UTF8_STRING
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return X11_XInternAtom(display, "UTF8_STRING", False);
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#else
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return XA_STRING;
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#endif
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case SDL_X11_CLIPBOARD_MIME_TYPE_TEXT_PLAIN:
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return X11_XInternAtom(display, "text/plain", False);
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#ifdef X_HAVE_UTF8_STRING
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case SDL_X11_CLIPBOARD_MIME_TYPE_TEXT_PLAIN_UTF8:
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return X11_XInternAtom(display, "text/plain;charset=utf-8", False);
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#endif
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case SDL_X11_CLIPBOARD_MIME_TYPE_TEXT:
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return X11_XInternAtom(display, "TEXT", False);
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default:
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SDL_SetError("Can't find mime_type.");
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return XA_STRING;
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}
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}
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Atom
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X11_GetSDLCutBufferClipboardInternalFormat(Display *display, enum ESDLX11ClipboardMimeType mime_type)
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{
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switch (mime_type) {
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case SDL_X11_CLIPBOARD_MIME_TYPE_STRING:
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case SDL_X11_CLIPBOARD_MIME_TYPE_TEXT_PLAIN:
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#ifdef X_HAVE_UTF8_STRING
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case SDL_X11_CLIPBOARD_MIME_TYPE_TEXT_PLAIN_UTF8:
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#endif
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case SDL_X11_CLIPBOARD_MIME_TYPE_TEXT:
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/* If you don't support UTF-8, you might use XA_STRING here */
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#ifdef X_HAVE_UTF8_STRING
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return X11_XInternAtom(display, "UTF8_STRING", False);
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#else
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return XA_STRING;
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#endif
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default:
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SDL_SetError("Can't find mime_type.");
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return XA_STRING;
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}
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}
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int
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int
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X11_SetClipboardText(_THIS, const char *text)
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X11_SetClipboardText(_THIS, const char *text)
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{
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{
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Display *display = ((SDL_VideoData *) _this->driverdata)->display;
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Display *display = ((SDL_VideoData *) _this->driverdata)->display;
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Atom format;
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Window window;
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Window window;
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Atom XA_CLIPBOARD = X11_XInternAtom(display, "CLIPBOARD", 0);
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Atom XA_CLIPBOARD = X11_XInternAtom(display, "CLIPBOARD", 0);
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@ -82,9 +133,8 @@ X11_SetClipboardText(_THIS, const char *text)
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}
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}
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/* Save the selection on the root window */
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/* Save the selection on the root window */
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format = TEXT_FORMAT;
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X11_XChangeProperty(display, DefaultRootWindow(display),
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X11_XChangeProperty(display, DefaultRootWindow(display),
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X11_GetSDLCutBufferClipboardType(display), format, 8, PropModeReplace,
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X11_GetSDLCutBufferClipboardType(display, SDL_X11_CLIPBOARD_MIME_TYPE_STRING), X11_GetSDLCutBufferClipboardInternalFormat(display, SDL_X11_CLIPBOARD_MIME_TYPE_STRING), 8, PropModeReplace,
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(const unsigned char *)text, SDL_strlen(text));
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(const unsigned char *)text, SDL_strlen(text));
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if (XA_CLIPBOARD != None &&
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if (XA_CLIPBOARD != None &&
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@ -125,7 +175,7 @@ X11_GetClipboardText(_THIS)
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/* Get the window that holds the selection */
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/* Get the window that holds the selection */
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window = GetWindow(_this);
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window = GetWindow(_this);
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format = TEXT_FORMAT;
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format = X11_GetSDLCutBufferClipboardInternalFormat(display, SDL_X11_CLIPBOARD_MIME_TYPE_STRING);
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owner = X11_XGetSelectionOwner(display, XA_CLIPBOARD);
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owner = X11_XGetSelectionOwner(display, XA_CLIPBOARD);
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if (owner == None) {
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if (owner == None) {
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/* Fall back to ancient X10 cut-buffers which do not support UTF8 strings*/
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/* Fall back to ancient X10 cut-buffers which do not support UTF8 strings*/
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@ -134,7 +184,7 @@ X11_GetClipboardText(_THIS)
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format = XA_STRING;
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format = XA_STRING;
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} else if (owner == window) {
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} else if (owner == window) {
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owner = DefaultRootWindow(display);
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owner = DefaultRootWindow(display);
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selection = X11_GetSDLCutBufferClipboardType(display);
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selection = X11_GetSDLCutBufferClipboardType(display, SDL_X11_CLIPBOARD_MIME_TYPE_STRING);
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} else {
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} else {
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/* Request that the selection owner copy the data to our window */
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/* Request that the selection owner copy the data to our window */
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owner = window;
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owner = window;
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@ -23,10 +23,22 @@
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#ifndef SDL_x11clipboard_h_
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#ifndef SDL_x11clipboard_h_
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#define SDL_x11clipboard_h_
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#define SDL_x11clipboard_h_
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enum ESDLX11ClipboardMimeType {
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SDL_X11_CLIPBOARD_MIME_TYPE_STRING,
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SDL_X11_CLIPBOARD_MIME_TYPE_TEXT_PLAIN,
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#ifdef X_HAVE_UTF8_STRING
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SDL_X11_CLIPBOARD_MIME_TYPE_TEXT_PLAIN_UTF8,
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#endif
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SDL_X11_CLIPBOARD_MIME_TYPE_TEXT,
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SDL_X11_CLIPBOARD_MIME_TYPE_MAX
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};
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extern int X11_SetClipboardText(_THIS, const char *text);
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extern int X11_SetClipboardText(_THIS, const char *text);
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extern char *X11_GetClipboardText(_THIS);
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extern char *X11_GetClipboardText(_THIS);
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extern SDL_bool X11_HasClipboardText(_THIS);
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extern SDL_bool X11_HasClipboardText(_THIS);
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extern Atom X11_GetSDLCutBufferClipboardType(Display *display);
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extern Atom X11_GetSDLCutBufferClipboardType(Display *display, enum ESDLX11ClipboardMimeType mime_type);
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extern Atom X11_GetSDLCutBufferClipboardExternalFormat(Display *display, enum ESDLX11ClipboardMimeType mime_type);
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extern Atom X11_GetSDLCutBufferClipboardInternalFormat(Display *display, enum ESDLX11ClipboardMimeType mime_type);
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#endif /* SDL_x11clipboard_h_ */
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#endif /* SDL_x11clipboard_h_ */
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@ -562,6 +562,7 @@ X11_UpdateUserTime(SDL_WindowData *data, const unsigned long latest)
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static void
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static void
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X11_HandleClipboardEvent(_THIS, const XEvent *xevent)
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X11_HandleClipboardEvent(_THIS, const XEvent *xevent)
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{
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{
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int i;
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SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;
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SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;
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Display *display = videodata->display;
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Display *display = videodata->display;
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@ -573,10 +574,12 @@ X11_HandleClipboardEvent(_THIS, const XEvent *xevent)
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case SelectionRequest: {
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case SelectionRequest: {
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const XSelectionRequestEvent *req = &xevent->xselectionrequest;
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const XSelectionRequestEvent *req = &xevent->xselectionrequest;
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XEvent sevent;
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XEvent sevent;
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int seln_format;
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int seln_format, mime_formats;
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unsigned long nbytes;
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unsigned long nbytes;
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unsigned long overflow;
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unsigned long overflow;
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unsigned char *seln_data;
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unsigned char *seln_data;
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Atom supportedFormats[SDL_X11_CLIPBOARD_MIME_TYPE_MAX+1];
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Atom XA_TARGETS = X11_XInternAtom(display, "TARGETS", 0);
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#ifdef DEBUG_XEVENTS
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#ifdef DEBUG_XEVENTS
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printf("window CLIPBOARD: SelectionRequest (requestor = %ld, target = %ld)\n",
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printf("window CLIPBOARD: SelectionRequest (requestor = %ld, target = %ld)\n",
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@ -594,27 +597,38 @@ X11_HandleClipboardEvent(_THIS, const XEvent *xevent)
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/* !!! FIXME: We were probably storing this on the root window
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/* !!! FIXME: We were probably storing this on the root window
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because an SDL window might go away...? but we don't have to do
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because an SDL window might go away...? but we don't have to do
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this now (or ever, really). */
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this now (or ever, really). */
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if (req->target == XA_TARGETS) {
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supportedFormats[0] = XA_TARGETS;
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mime_formats = 1;
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for (i = 0; i < SDL_X11_CLIPBOARD_MIME_TYPE_MAX; ++i)
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supportedFormats[mime_formats++] = X11_GetSDLCutBufferClipboardExternalFormat(display, i);
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X11_XChangeProperty(display, req->requestor, req->property,
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XA_ATOM, 32, PropModeReplace,
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(unsigned char*)supportedFormats,
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mime_formats);
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sevent.xselection.property = req->property;
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sevent.xselection.target = XA_TARGETS;
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} else {
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for (i = 0; i < SDL_X11_CLIPBOARD_MIME_TYPE_MAX; ++i) {
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if (X11_GetSDLCutBufferClipboardExternalFormat(display, i) != req->target)
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continue;
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if (X11_XGetWindowProperty(display, DefaultRootWindow(display),
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if (X11_XGetWindowProperty(display, DefaultRootWindow(display),
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X11_GetSDLCutBufferClipboardType(display), 0, INT_MAX/4, False, req->target,
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X11_GetSDLCutBufferClipboardType(display, i), 0, INT_MAX/4, False, X11_GetSDLCutBufferClipboardInternalFormat(display, i),
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&sevent.xselection.target, &seln_format, &nbytes,
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&sevent.xselection.target, &seln_format, &nbytes,
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&overflow, &seln_data) == Success) {
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&overflow, &seln_data) == Success) {
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/* !!! FIXME: cache atoms */
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if (seln_format != None) {
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Atom XA_TARGETS = X11_XInternAtom(display, "TARGETS", 0);
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if (sevent.xselection.target == req->target) {
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X11_XChangeProperty(display, req->requestor, req->property,
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X11_XChangeProperty(display, req->requestor, req->property,
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sevent.xselection.target, seln_format, PropModeReplace,
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sevent.xselection.target, seln_format, PropModeReplace,
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seln_data, nbytes);
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seln_data, nbytes);
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sevent.xselection.property = req->property;
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sevent.xselection.property = req->property;
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} else if (XA_TARGETS == req->target) {
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Atom SupportedFormats[] = { XA_TARGETS, sevent.xselection.target };
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X11_XChangeProperty(display, req->requestor, req->property,
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XA_ATOM, 32, PropModeReplace,
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(unsigned char*)SupportedFormats,
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SDL_arraysize(SupportedFormats));
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sevent.xselection.property = req->property;
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sevent.xselection.target = XA_TARGETS;
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}
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X11_XFree(seln_data);
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X11_XFree(seln_data);
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break;
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} else {
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X11_XFree(seln_data);
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}
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}
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}
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}
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}
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X11_XSendEvent(display, req->requestor, False, 0, &sevent);
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X11_XSendEvent(display, req->requestor, False, 0, &sevent);
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X11_XSync(display, False);
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X11_XSync(display, False);
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