created libwinnie (library), winnie (the server application) and clients

[winnie] / libwinnie / src / winnie.cc

diff --git a/libwinnie/src/winnie.cc b/libwinnie/src/winnie.cc
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+/*
+winnie - an experimental window system
+
+Copyright (C) 2013 Eleni Maria Stea
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+Author: Eleni Maria Stea <elene.mst@gmail.com>
+*/
+
+#include <sys/time.h>
+
+#include "keyboard.h"
+#include "mouse.h"
+#include "shalloc.h"
+#include "winnie.h"
+
+static Subsys *subsys;
+
+bool winnie_init()
+{
+       if(!init_shared_memory()) {
+               return false;
+       }
+
+       if(!(subsys = (Subsys*)sh_malloc(sizeof *subsys))) {
+               return false;
+       }
+
+       if(!init_gfx()) {
+               return false;
+       }
+
+       if(!init_window_manager()) {
+               return false;
+       }
+
+       if(!init_keyboard()) {
+               return false;
+       }
+
+       if(!init_mouse()) {
+               return false;
+       }
+
+       if(!init_text()) {
+               return false;
+       }
+
+       wm->invalidate_region(get_screen_size());
+       return true;
+}
+
+void winnie_shutdown()
+{
+       destroy_gfx();
+       destroy_keyboard();
+       destroy_mouse();
+       destroy_text();
+       destroy_window_manager();
+
+       sh_free(subsys);
+
+       destroy_shared_memory();
+}
+
+long winnie_get_time()
+{
+       static struct timeval init_tv;
+       struct timeval tv;
+
+       gettimeofday(&tv, 0);
+
+       if(!tv.tv_sec && !tv.tv_usec) {
+               init_tv = tv;
+               return 0;
+       }
+
+       return (tv.tv_usec - init_tv.tv_usec) / 1000 + (tv.tv_sec - init_tv.tv_sec) * 1000;
+}
+
+Subsys *get_subsys()
+{
+       return subsys;
+}