Implement initial Wayland support

[freeglut] / src / wayland / fg_main_wl.c

diff --git a/src/wayland/fg_main_wl.c b/src/wayland/fg_main_wl.c
new file mode 100644 (file)
index 0000000..f289c17
--- /dev/null
+++ b/src/wayland/fg_main_wl.c
@@ -0,0 +1,134 @@
+/*
+ * fg_main_wl.c
+ *
+ * The Wayland-specific windows message processing methods.
+ *
+ * Copyright (c) 2015 Manuel Bachmann. All Rights Reserved.
+ * Written by Manuel Bachmann, <tarnyko@tarnyko.net>
+ * Creation date: Sun Mar 22 2015
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * MANUEL BACHMANN BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <GL/freeglut.h>
+#include "../fg_internal.h"
+#include <errno.h>
+#include <poll.h>
+
+void fgPlatformFullScreenToggle( SFG_Window *win );
+void fgPlatformPositionWindow( SFG_Window *window, int x, int y );
+void fgPlatformReshapeWindow( SFG_Window *window, int width, int height );
+void fgPlatformPushWindow( SFG_Window *window );
+void fgPlatformPopWindow( SFG_Window *window );
+void fgPlatformHideWindow( SFG_Window *window );
+void fgPlatformIconifyWindow( SFG_Window *window );
+void fgPlatformShowWindow( SFG_Window *window );
+
+
+fg_time_t fgPlatformSystemTime( void )
+{
+#ifdef CLOCK_MONOTONIC
+    struct timespec now;
+    clock_gettime(CLOCK_MONOTONIC, &now);
+    return now.tv_nsec/1000000 + now.tv_sec*1000;
+#elif defined(HAVE_GETTIMEOFDAY)
+    struct timeval now;
+    gettimeofday( &now, NULL );
+    return now.tv_usec/1000 + now.tv_sec*1000;
+#endif
+}
+
+void fgPlatformSleepForEvents( fg_time_t msec )
+{
+    struct pollfd pfd;
+    int err;
+
+    pfd.fd = wl_display_get_fd( fgDisplay.pDisplay.display );
+    pfd.events = POLLIN | POLLERR | POLLHUP;
+
+    wl_display_dispatch_pending( fgDisplay.pDisplay.display );
+    if ( ! wl_display_flush( fgDisplay.pDisplay.display ) )
+    {
+        err = poll( &pfd, 1, msec );
+
+        if( ( -1 == err ) && ( errno != EINTR ) )
+          fgWarning ( "freeglut poll() error: %d", errno );
+    }
+}
+
+
+void fgPlatformProcessSingleEvent( void )
+{
+    SFG_Window *win = fgStructure.CurrentWindow;
+
+    wl_display_dispatch_pending( fgDisplay.pDisplay.display );
+    INVOKE_WCB( *win, Display, ( ) );
+}
+
+void fgPlatformMainLoopPreliminaryWork( void )
+{
+    /* Under Wayland, this is a no-op */
+}
+
+void fgPlatformInitWork( SFG_Window* window )
+{
+    /* Under Wayland, all events happen relative to input handlers
+     * -> this is a no-op
+     */
+     return;
+}
+
+void fgPlatformPosResZordWork( SFG_Window* window, unsigned int workMask )
+{
+    if( workMask & GLUT_FULL_SCREEN_WORK )
+        fgPlatformFullScreenToggle( window );
+    if( workMask & GLUT_POSITION_WORK )
+        fgPlatformPositionWindow( window, window->State.DesiredXpos, window->State.DesiredYpos );
+    if( workMask & GLUT_SIZE_WORK )
+        fgPlatformReshapeWindow ( window, window->State.DesiredWidth, window->State.DesiredHeight );
+    if( workMask & GLUT_ZORDER_WORK )
+    {
+        if( window->State.DesiredZOrder < 0 )
+            fgPlatformPushWindow( window );
+        else
+            fgPlatformPopWindow( window );
+    }
+}
+
+void fgPlatformVisibilityWork( SFG_Window* window )
+{
+    /* Visibility status of window gets updated in the window message handlers above 
+     */
+    SFG_Window *win = window;
+    switch (window->State.DesiredVisibility)
+    {
+    case DesireHiddenState:
+        fgPlatformHideWindow( window );
+        break;
+    case DesireIconicState:
+        /* Call on top-level window */
+        while (win->Parent)
+            win = win->Parent;
+        fgPlatformIconifyWindow( win );
+        break;
+    case DesireNormalState:
+        fgPlatformShowWindow( window );
+        break;
+    }
+}
+