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diff -up fltk-1.3.x-r8659/FL/Fl.H.orig fltk-1.3.x-r8659/FL/Fl.H
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--- fltk-1.3.x-r8659/FL/Fl.H.orig 2011-05-17 16:25:56.671744548 +0200
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+++ fltk-1.3.x-r8659/FL/Fl.H 2011-05-17 16:26:05.709101536 +0200
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@@ -108,6 +108,9 @@ typedef int (*Fl_Args_Handler)(int argc,
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\see Fl::event_dispatch(Fl_Event_Dispatch) */
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typedef int (*Fl_Event_Dispatch)(int event, Fl_Window *w);
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+/** Signature of add_clipboard_notify functions passed as parameters */
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+typedef void (*Fl_Clipboard_Notify_Handler)(int source, void *data);
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+
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/** @} */ /* group callback_functions */
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@@ -744,6 +747,19 @@ public:
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*/
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static void paste(Fl_Widget &receiver, int source /*=0*/); // platform dependent
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/**
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+ FLTK will call the registered callback whenever there is a change to the
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+ selection buffer or the clipboard. The source argument indicates which
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+ of the two has changed. Only changes by other applications are reported.
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+ \note Some systems require polling to monitor the clipboard and may
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+ therefore have some delay in detecting changes.
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+ */
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+ static void add_clipboard_notify(Fl_Clipboard_Notify_Handler h, void *data);
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+ /**
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+ Stop calling the specified callback when there are changes to the selection
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+ buffer or the clipboard.
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+ */
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+ static void remove_clipboard_notify(Fl_Clipboard_Notify_Handler h);
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+ /**
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Initiate a Drag And Drop operation. The selection buffer should be
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filled with relevant data before calling this method. FLTK will
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then initiate the system wide drag and drop handling. Dropped data
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diff -up fltk-1.3.x-r8659/src/Fl.cxx.orig fltk-1.3.x-r8659/src/Fl.cxx
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--- fltk-1.3.x-r8659/src/Fl.cxx.orig 2011-05-18 15:20:26.667291459 +0200
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+++ fltk-1.3.x-r8659/src/Fl.cxx 2011-05-18 16:31:15.522026086 +0200
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@@ -430,6 +430,69 @@ static char in_idle;
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#endif
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////////////////////////////////////////////////////////////////
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+// Clipboard notifications
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+
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+struct Clipboard_Notify {
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+ Fl_Clipboard_Notify_Handler handler;
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+ void *data;
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+ struct Clipboard_Notify *next;
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+};
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+
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+static struct Clipboard_Notify *clip_notify_list = NULL;
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+
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+extern void fl_clipboard_notify_change(); // in Fl_<platform>.cxx
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+
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+void Fl::add_clipboard_notify(Fl_Clipboard_Notify_Handler h, void *data) {
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+ struct Clipboard_Notify *node;
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+
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+ remove_clipboard_notify(h);
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+
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+ node = new Clipboard_Notify;
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+
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+ node->handler = h;
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+ node->data = data;
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+ node->next = clip_notify_list;
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+
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+ clip_notify_list = node;
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+
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+ fl_clipboard_notify_change();
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+}
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+
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+void Fl::remove_clipboard_notify(Fl_Clipboard_Notify_Handler h) {
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+ struct Clipboard_Notify *node, **prev;
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+
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+ node = clip_notify_list;
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+ prev = &clip_notify_list;
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+ while (node != NULL) {
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+ if (node->handler == h) {
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+ *prev = node->next;
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+ delete node;
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+
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+ fl_clipboard_notify_change();
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+
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+ return;
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+ }
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+
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+ prev = &node->next;
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+ node = node->next;
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+ }
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+}
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+
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+bool fl_clipboard_notify_empty(void) {
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+ return clip_notify_list == NULL;
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+}
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+
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+void fl_trigger_clipboard_notify(int source) {
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+ struct Clipboard_Notify *node;
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+
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+ node = clip_notify_list;
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+ while (node != NULL) {
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+ node->handler(source, node->data);
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+ node = node->next;
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+ }
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+}
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+
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+////////////////////////////////////////////////////////////////
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// wait/run/check/ready:
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void (*Fl::idle)(); // see Fl::add_idle.cxx for the add/remove functions
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