Merge CV, ver=5.1; ops/methods from HV, and interface from CV where possible

[goodguy/history.git] / cinelerra-5.1 / guicast / bcdialog.h

diff --git a/cinelerra-5.1/guicast/bcdialog.h b/cinelerra-5.1/guicast/bcdialog.h
new file mode 100644 (file)
index 0000000..642f5c0
--- /dev/null
+++ b/cinelerra-5.1/guicast/bcdialog.h
@@ -0,0 +1,85 @@
+
+/*
+ * CINELERRA
+ * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
+ * 
+ * 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 2 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * 
+ */
+
+#ifndef BCDIALOG_H
+#define BCDIALOG_H
+
+#include "bcdialog.inc"
+#include "condition.inc"
+#include "guicast.h"
+#include "mutex.inc"
+#include "thread.h"
+
+
+// Generic dialog box with static thread and proper locking.
+// Create the thread object at startup.  Call start() to do the dialog.
+// Only one dialog instance is allowed at a time.  These must be overridden
+// to add functionality.
+
+class BC_DialogThread : public Thread
+{
+public:
+       BC_DialogThread();
+       virtual ~BC_DialogThread();
+
+// User calls this to create or raise the dialog box.
+       void start();
+       void run();
+
+// Return if the window is currently running
+       int is_running();
+
+// After the window is closed, this is called
+       virtual void handle_done_event(int result);
+
+// After the window is closed and deleted, this is called.
+       virtual void handle_close_event(int result);
+
+// User creates the window and initializes it here.
+       virtual BC_Window* new_gui();
+
+// User can get the GUI here.  Call lock_gui
+// if not the same thread.  get_gui returns 0 if it doesn't exist.
+       void lock_gui(const char *location);
+       void unlock_gui();
+       BC_Window* get_gui();
+
+// Called by user to access the gui pointer
+       void lock_window(const char *location);
+       void unlock_window();
+
+// Called by user to close the GUI from outside the thread
+       void close_window();
+
+private:
+       BC_Window *gui;
+       Condition *startup_lock;
+       Mutex *window_lock;
+};
+
+
+
+
+
+
+
+
+#endif