From 70ebbb7e071107468abadbac9acbcfda4a68cdaf Mon Sep 17 00:00:00 2001
From: Jonathan Wilkes <jon.w.wilkes@gmail.com>
Date: Sun, 22 Nov 2020 16:17:58 -0500
Subject: [PATCH] position [cnv] drag anchor inside the bottom-right corner of
the rectangle
---
pd/src/g_all_guis.c | 15 +++++++++++++--
1 file changed, 13 insertions(+), 2 deletions(-)
diff --git a/pd/src/g_all_guis.c b/pd/src/g_all_guis.c
index 1da777dd9..92ca771a7 100644
--- a/pd/src/g_all_guis.c
+++ b/pd/src/g_all_guis.c
@@ -897,9 +897,20 @@ void scalehandle_draw_select2(t_iemgui *x)
the one for the label. Special case for [cnv] which for some reason
allows a smaller selection area than its painted rectangle. */
if (c == my_canvas_class)
+ {
+ /* We're drawing the anchor rectangle by abusing the <line> svg elem
+ with a width equal to SCALEHANDLE_WIDTH.
+
+ This simplifies the CSS, but unfortunately makes the positioning
+ a little wonky:
+
+ For example-- a vertical line from sy to sy+10 with a width of 10
+ will straddle the horizontal point sx. So to get the leftmost part
+ of our rect at sx, we multiply the width by 0.5 and add that to sx.
+ */
scalehandle_draw_select(x->x_handle,
- (int)(sx + SCALEHANDLE_WIDTH * 1.5) + 1,
- sy + SCALEHANDLE_HEIGHT);
+ (int)(sx + SCALEHANDLE_WIDTH * 0.5), sy);
+ }
if (x->x_lab != s_empty)
scalehandle_draw_select(x->x_lhandle, x->x_ldx + 5, x->x_ldy + 10);
}
--
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