From: Jim Evins <evins@snaught.com>
Date: Sat, 29 Nov 2003 15:58:36 +0000 (+0000)
Subject: Make sure canvas item representing selection region has a finite size.
X-Git-Tag: glabels-2_3_0~533
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=0d23211916e298372d4cb0d7df1df1c4fe67c43b;p=glabels

Make sure canvas item representing selection region has a finite size.


git-svn-id: https://glabels.svn.sourceforge.net/svnroot/glabels/trunk@360 f5e0f49d-192f-0410-a22d-a8d8700d0965
---

diff --git a/glabels2/src/view.c b/glabels2/src/view.c
index 35bfc183..7c0adde9 100644
--- a/glabels2/src/view.c
+++ b/glabels2/src/view.c
@@ -65,6 +65,8 @@
 
 #define POINTS_PER_MM    2.83464566929
 
+#define DELTA 0.01
+
 /*==========================================================================*/
 /* Private types.                                                           */
 /*==========================================================================*/
@@ -3380,8 +3382,10 @@ canvas_event_arrow_mode (GnomeCanvas *canvas,
 				item =
 				    gnome_canvas_item_new (group,
 							   gnome_canvas_rect_get_type (),
-							   "x1", x, "y1", y,
-							   "x2", x, "y2", y,
+							   "x1", x-DELTA,
+							   "y1", y-DELTA,
+							   "x2", x+DELTA,
+							   "y2", y+DELTA,
 							   "width_pixels", 2,
 							   "outline_color_rgba",
 							   SEL_LINE_COLOR,
@@ -3439,11 +3443,14 @@ canvas_event_arrow_mode (GnomeCanvas *canvas,
 					      event->motion.x,
 					      event->motion.y, &x, &y);
 		if (dragging && (event->motion.state & GDK_BUTTON1_MASK)) {
+			gl_debug (DEBUG_VIEW,
+				  "Dragging: (x0=%g, y0=%g), (x=%g, y=%g)", x0, y0, x, y);
 			gnome_canvas_item_set (item,
-					       "x1", MIN (x, x0),
-					       "y1", MIN (y, y0),
-					       "x2", MAX (x, x0),
-					       "y2", MAX (y, y0), NULL);
+					       "x1", MIN (x, x0) - DELTA,
+					       "y1", MIN (y, y0) - DELTA,
+					       "x2", MAX (x, x0) + DELTA,
+					       "y2", MAX (y, y0) + DELTA,
+					       NULL);
 			return TRUE;
 		} else {
 			return FALSE;