1 files changed, 131 insertions, 0 deletions
diff --git a/overlay/x11/position.c b/overlay/x11/position.c
new file mode 100644
index 00000000..0dcfc8de
--- /dev/null
+++ b/overlay/x11/position.c
@@ -0,0 +1,131 @@
+/*
+ * Copyright © 2013 Intel Corporation
+ *
+ * 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 (including the next
+ * paragraph) 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
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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 <X11/Xlib.h>
+#include <string.h>
+#include <stdio.h>
+
+#include "position.h"
+#include "../overlay.h"
+
+static enum position get_position(struct config *config)
+{
+	const char *v = config_get_value(config, "window", "position");
+	if (v == NULL)
+		return POS_UNSET;
+
+	if (strcmp(v, "top-left") == 0)
+		return POS_TOP_LEFT;
+
+	if (strcmp(v, "top-centre") == 0)
+		return POS_TOP_CENTRE;
+
+	if (strcmp(v, "top-right") == 0)
+		return POS_TOP_RIGHT;
+
+	if (strcmp(v, "middle-left") == 0)
+		return POS_MIDDLE_LEFT;
+
+	if (strcmp(v, "middle-centre") == 0)
+		return POS_MIDDLE_CENTRE;
+
+	if (strcmp(v, "middle-right") == 0)
+		return POS_MIDDLE_RIGHT;
+
+	if (strcmp(v, "bottom-left") == 0)
+		return POS_BOTTOM_LEFT;
+
+	if (strcmp(v, "bottom-centre") == 0)
+		return POS_BOTTOM_CENTRE;
+
+	if (strcmp(v, "bottom-right") == 0)
+		return POS_BOTTOM_RIGHT;
+
+	return POS_UNSET;
+}
+
+enum position
+x11_position(Screen *scr, int width, int height,
+	     struct config *config,
+	     int *x, int *y, int *w, int *h)
+{
+	enum position position = POS_UNSET;
+	const char *geometry;
+
+	*x = *y = 0;
+	*w = width;
+	*h = height;
+
+	geometry = config_get_value(config, "window", "geometry");
+	if (geometry) {
+		sscanf(geometry, "%dx%d+%d+%d", w, h, x, y);
+		if (*w < width)
+			*w = width;
+		if (*h < height)
+			*h = height;
+	} else {
+		position = get_position(config);
+		if (position != POS_UNSET) {
+			if (width == -1) {
+				*w = scr->width;
+				switch (position & 7) {
+				default:
+				case 0:
+				case 2: *w >>= 1; break;
+				}
+			} else if (width > scr->width) {
+				*w = scr->width;
+			} else
+				*w = width;
+
+			if (height == -1) {
+				*h = scr->height;
+				switch ((position >> 4) & 7) {
+				default:
+				case 0:
+				case 2: *h >>= 1; break;
+				}
+			} else if (height > scr->height)
+				*h = scr->height;
+			else
+				*h = height;
+
+			switch (position & 7) {
+			default:
+			case 0: *x = 0; break;
+			case 1: *x = (scr->width - *w)/2; break;
+			case 2: *x = scr->width - *w; break;
+			}
+
+			switch ((position >> 4) & 7) {
+			default:
+			case 0: *y = 0; break;
+			case 1: *y = (scr->height - *h)/2; break;
+			case 2: *y = scr->height - *h; break;
+			}
+		}
+	}
+
+	return position;
+}