Pull request to introduce copy and paste for GNOME environments and terminal operations.

Makefile

@@ -10,15 +10,21 @@ LUA_OPT=generic
 override CFLAGS+=-Werror -Wall -g -fPIC -O2 -DNDEBUG -ftrapv -Wfloat-equal -Wundef -Wwrite-strings -Wuninitialized -pedantic -std=c11
 
 OS := $(shell uname)
+DE := $(shell echo $(DESKTOP_SESSION))
 
 ifeq ($(OS),$(filter $(OS), FreeBSD OpenBSD NetBSD))
-CADDFLAG := -lexecinfo
+CADDFLAG += -lexecinfo
 endif
 
+ifeq ($(DE),gnome)
+CADDFLAG += `pkg-config --libs --cflags gtk+-3.0` `pkg-config --libs gtk+-3.0`
+DE_FLAG := -Dgnome
+endif
 
 all: main.c syntax
+	$(info DE is $(DE))
 	mkdir -p $(BUILDDIR)
-	$(CC) $(MAIN) $(SOURCES) -DSTXDIR=\"$(STXDIR)\" -o $(BUILDDIR)$(TARGET) $(CFLAGS) $(CADDFLAG)
+	$(CC) $(MAIN) $(SOURCES) -DSTXDIR=\"$(STXDIR)\" -o $(BUILDDIR)$(TARGET) $(CFLAGS) $(CADDFLAG) $(DE_FLAG)
 
 lua:
 	cd ./vendor/lua-5.3.4/src && make clean && make $(LUA_OPT)

main.c

@@ -1,6 +1,11 @@
 #include <signal.h>
 #include <execinfo.h>
 #include "src/editor.h"
+#ifdef __unix__
+#ifdef gnome
+#include <gtk/gtk.h>
+#endif
+#endif
 
 #define STRINGIFY2(X) #X
 #define STRINGIFY(X) STRINGIFY2(X)
@@ -34,8 +39,13 @@ void exitf() {
 #endif
 }
 
-
 int main(int argc, char** argv) {
+#ifdef __unix__
+#ifdef gnome
+	gtk_init(&argc, &argv);
+#endif
+#endif
+
   stx = syntax_init((char*) STXDIR);
   GLOB = e_setup();
 

src/clipboard.c

@@ -72,12 +72,26 @@ char* e_clipboard_paste() {
   return buffer;
 }
 
+#elif __unix__
+#ifdef gnome
+#include <gtk/gtk.h>
+GtkClipboard *clipboard;
+void e_clipboard_copy(char* str){
+	clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
+	gchar *clip_str = str;
+	gtk_clipboard_set_text(clipboard, clip_str, -1);
+}
+
+char* e_clipboard_paste(){
+	clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
+	return (char*)gtk_clipboard_wait_for_text(clipboard);
+}
+#endif
 #else
 
 void e_clipboard_copy(char* str) {}
 
 char* e_clipboard_paste() {
   return NULL;
 }
-
 #endif