mirror of
https://github.com/QB64Official/qb64.git
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Support internal clipboard on Linux
It's not true cross-program clipboard support, but the clipboard now functions within a QB64 program. Importantly, this means you can copy/paste code around in the IDE.
This commit is contained in:
Luke Ceddia
parent
3aa8bc8a27
commit
c7b6f85075
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@ -23434,223 +23434,82 @@ int32 func__printwidth(qbs* text, int32 screenhandle, int32 passed){
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2012 */
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int32 func__exit(){
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exit_blocked=1;
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static int32 x;
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x=exit_value;
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exit_value=0;
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return x;
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}
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qbs *internal_clipboard=NULL;//used only if clipboard services unavailable
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int32 linux_clipboard_init=0;
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int32 func__exit(){
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exit_blocked=1;
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static int32 x;
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x=exit_value;
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exit_value=0;
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return x;
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}
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#ifndef QB64_WINDOWS
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#ifndef QB64_MACOSX
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#define NO_CLIPBOARD
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#endif
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#endif
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#ifdef NO_CLIPBOARD
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void sub__clipboard(qbs *text){
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return;
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}
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qbs *func__clipboard(){
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static qbs *text;
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text=qbs_new(0,1);
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return text;
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}
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#else
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#ifdef QB64_LINUX
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#ifndef QB64_MACOSX
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//X11 clipboard interface for Linux
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SDL_SysWMinfo syswminfo;
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Atom targets,utf8string,compoundtext,clipboard;
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int x11filter(const SDL_Event *sdlevent){
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static int i;
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static char *cp;
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static XEvent x11event;
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static XSelectionRequestEvent *x11request;
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static XSelectionEvent x11selectionevent;
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static Atom mytargets[]={XA_STRING,utf8string,compoundtext};
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if (sdlevent->type==SDL_SYSWMEVENT){
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x11event=sdlevent->syswm.msg->event.xevent;
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if (x11event.type==SelectionRequest){
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x11request=&x11event.xselectionrequest;
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x11selectionevent.type=SelectionNotify;
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x11selectionevent.serial=x11event.xany.send_event;
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x11selectionevent.send_event=True;
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x11selectionevent.display=syswminfo.info.x11.display;
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x11selectionevent.requestor=x11request->requestor;
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x11selectionevent.selection=x11request->selection;
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x11selectionevent.target=None;
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x11selectionevent.property=x11request->property;
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x11selectionevent.time=x11request->time;
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if (x11request->target==targets){
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XChangeProperty(syswminfo.info.x11.display,x11request->requestor,x11request->property,XA_ATOM,32,PropModeReplace,(unsigned char*)mytargets,3);
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}else{
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if (x11request->target==compoundtext||x11request->target==utf8string||x11request->target==XA_STRING){
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cp=XFetchBytes(syswminfo.info.x11.display,&i);
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XChangeProperty(syswminfo.info.x11.display,x11request->requestor,x11request->property,x11request->target,8,PropModeReplace,(unsigned char*)cp,i);
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XFree(cp);
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}else{
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x11selectionevent.property=None;
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}
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}
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XSendEvent(x11request->display,x11request->requestor,0,NoEventMask,(XEvent*)&x11selectionevent);
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XSync(syswminfo.info.x11.display,False);
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}
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}
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return 1;
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}
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void setupx11clipboard(){
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static int32 setup=0;
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if (!setup){
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setup=1;
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SDL_GetWMInfo(&syswminfo);
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SDL_EventState(SDL_SYSWMEVENT,SDL_ENABLE);
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SDL_SetEventFilter(x11filter);
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syswminfo.info.x11.lock_func();
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targets=XInternAtom(syswminfo.info.x11.display,"TARGETS",True);
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utf8string=XInternAtom(syswminfo.info.x11.display,"UTF8_STRING",True);
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compoundtext=XInternAtom(syswminfo.info.x11.display,"COMPOUND_TEXT",True);
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clipboard=XInternAtom(syswminfo.info.x11.display,"CLIPBOARD",True);
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syswminfo.info.x11.unlock_func();
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}
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}
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void x11clipboardcopy(const char *text){
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setupx11clipboard();
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syswminfo.info.x11.lock_func();
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XStoreBytes(syswminfo.info.x11.display,text,strlen(text)+1);
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XSetSelectionOwner(syswminfo.info.x11.display,clipboard,syswminfo.info.x11.window,CurrentTime);
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syswminfo.info.x11.unlock_func();
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return;
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}
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char *x11clipboardpaste(){
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static int32 i;
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static char *cp;
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static unsigned char *cp2;
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static Window x11selectionowner;
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static SDL_Event sdlevent;
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static XEvent x11event;
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static unsigned long data_items,bytes_remaining,ignore;
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static int format;
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static Atom type;
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cp=NULL; cp2=NULL;
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setupx11clipboard();
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syswminfo.info.x11.lock_func();
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x11selectionowner=XGetSelectionOwner(syswminfo.info.x11.display,clipboard);
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if (x11selectionowner!=None){
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XConvertSelection(syswminfo.info.x11.display,clipboard,utf8string,clipboard,syswminfo.info.x11.window,CurrentTime);
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XFlush(syswminfo.info.x11.display);
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syswminfo.info.x11.unlock_func();
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i=0;
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while (i==0){
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SDL_WaitEvent(&sdlevent);
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if (sdlevent.type==SDL_SYSWMEVENT){
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x11event=sdlevent.syswm.msg->event.xevent;
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if ((x11event.xselection.requestor==syswminfo.info.x11.window)&&(x11event.type==SelectionNotify)) i=1;
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}
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}
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syswminfo.info.x11.lock_func();
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XGetWindowProperty(syswminfo.info.x11.display,syswminfo.info.x11.window,clipboard,0,0,False,AnyPropertyType,&type,&format,&data_items,&bytes_remaining,&cp2);
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if (cp2){XFree(cp2); cp2=NULL;}
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if (bytes_remaining){
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if (XGetWindowProperty(syswminfo.info.x11.display,syswminfo.info.x11.window,clipboard,0,bytes_remaining,False,AnyPropertyType,&type,&format,&data_items, &ignore,&cp2)==Success){
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cp=strdup((char*)cp2);
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XFree(cp2);
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}
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}
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XDeleteProperty(syswminfo.info.x11.display,syswminfo.info.x11.window,clipboard);
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}
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syswminfo.info.x11.unlock_func();
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return cp;
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}
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#endif
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#endif
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qbs *internal_clipboard=NULL;//used only if clipboard services unavailable
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int32 linux_clipboard_init=0;
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void sub__clipboard(qbs *text){
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void sub__clipboard(qbs *text){
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#ifdef QB64_WINDOWS
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static uint8 *textz;
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static HGLOBAL h;
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if (OpenClipboard(NULL)){
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EmptyClipboard();
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h=GlobalAlloc(GMEM_MOVEABLE,text->len+1); if (h){
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textz=(uint8*)GlobalLock(h); if (textz){
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memcpy(textz,text->chr,text->len);
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textz[text->len]=0;
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GlobalUnlock(h);
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SetClipboardData(CF_TEXT,h);
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}
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}
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CloseClipboard();
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}
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return;
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static uint8 *textz;
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static HGLOBAL h;
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if (OpenClipboard(NULL)){
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EmptyClipboard();
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h=GlobalAlloc(GMEM_MOVEABLE,text->len+1); if (h){
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textz=(uint8*)GlobalLock(h); if (textz){
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memcpy(textz,text->chr,text->len);
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textz[text->len]=0;
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GlobalUnlock(h);
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SetClipboardData(CF_TEXT,h);
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}
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}
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CloseClipboard();
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}
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return;
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#endif
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#ifdef QB64_MACOSX
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PasteboardRef clipboard;
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if (PasteboardCreate(kPasteboardClipboard, &clipboard) != noErr) {
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return;
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}
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if (PasteboardClear(clipboard) != noErr) {
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CFRelease(clipboard);
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return;
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}
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CFDataRef data = CFDataCreateWithBytesNoCopy(kCFAllocatorDefault, text->chr,
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text->len, kCFAllocatorNull);
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if (data == NULL) {
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CFRelease(clipboard);
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return;
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}
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OSStatus err;
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err = PasteboardPutItemFlavor(clipboard, NULL, kUTTypeUTF8PlainText, data, 0);
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CFRelease(clipboard);
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CFRelease(data);
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return;
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PasteboardRef clipboard;
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if (PasteboardCreate(kPasteboardClipboard, &clipboard) != noErr) {
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return;
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}
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if (PasteboardClear(clipboard) != noErr) {
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CFRelease(clipboard);
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return;
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}
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CFDataRef data = CFDataCreateWithBytesNoCopy(kCFAllocatorDefault, text->chr,
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text->len, kCFAllocatorNull);
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if (data == NULL) {
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CFRelease(clipboard);
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return;
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}
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OSStatus err;
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err = PasteboardPutItemFlavor(clipboard, NULL, kUTTypeUTF8PlainText, data, 0);
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CFRelease(clipboard);
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CFRelease(data);
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return;
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#endif
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#ifdef QB64_LINUX
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#ifndef QB64_MACOSX
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while (!display_surface) Sleep(1);
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lock_mainloop=1; while (lock_mainloop!=2) Sleep(1);//lock
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if (!linux_clipboard_init){
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//Need to find a way to get the clipboard working on Linux! (Hack freeGLUT, switch to GLFW, small 'helper' program?)
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/* while (!display_surface) Sleep(1);
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lock_mainloop=1; while (lock_mainloop!=2) Sleep(1);//lock
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if (!linux_clipboard_init){
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linux_clipboard_init=1;
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setupx11clipboard();
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}
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static qbs *textz=NULL; if (!textz) textz=qbs_new(0,0);
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qbs_set(textz,qbs_add(text,qbs_new_txt_len("\0",1)));
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x11clipboardcopy((char*)textz->chr);
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lock_mainloop=0; Sleep(1);//unlock
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return;
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linux_clipboard_init=1;
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setupx11clipboard();
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}
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static qbs *textz=NULL; if (!textz) textz=qbs_new(0,0);
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qbs_set(textz,qbs_add(text,qbs_new_txt_len("\0",1)));
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x11clipboardcopy((char*)textz->chr);
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lock_mainloop=0; Sleep(1);//unlock
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return; */
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#endif
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#endif
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if (internal_clipboard==NULL) internal_clipboard=qbs_new(0,0);
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qbs_set(internal_clipboard,text);
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}
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if (internal_clipboard==NULL) internal_clipboard=qbs_new(0,0);
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qbs_set(internal_clipboard,text);
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}
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qbs *func__clipboard(){
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#ifdef QB64_WINDOWS
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@ -23724,24 +23583,6 @@ int32 func__printwidth(qbs* text, int32 screenhandle, int32 passed){
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return text;
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return NULL;
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/*
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PasteboardRef inPasteboard;
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if (PasteboardCreate(kPasteboardClipboard, &inPasteboard) != noErr) {
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@ -23826,7 +23667,8 @@ int32 func__printwidth(qbs* text, int32 screenhandle, int32 passed){
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#ifdef QB64_LINUX
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#ifndef QB64_MACOSX
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static char *cp;
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//Linux clipboard not functional, see comment in sub__clipboard
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/* static char *cp;
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static qbs *text;
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while (!display_surface) Sleep(1);
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lock_mainloop=1; while (lock_mainloop!=2) Sleep(1);//lock
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@ -23843,7 +23685,7 @@ int32 func__printwidth(qbs* text, int32 screenhandle, int32 passed){
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free(cp);
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}
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lock_mainloop=0; Sleep(1);//unlock
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return text;
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return text; */
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#endif
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#endif
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@ -23852,11 +23694,6 @@ int32 func__printwidth(qbs* text, int32 screenhandle, int32 passed){
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}
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//#ifdef USE_CLIPBOARD is used above
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#endif
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int32 display_called=0;
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void display_now(){
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if (autodisplay){
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