[gnumeric] GUI: Tweak item cursor.

[Morten Welinder <mortenw src gnome org>]

commit ee2d9f77e9639ef216fecb1bc5a4d9f71ddb49a1
Author: Morten Welinder <terra gnome org>
Date:   Wed Mar 9 19:53:51 2022 -0500

    GUI: Tweak item cursor.
    
    The outer part of the item cursor stopped showing up at some point
    and I don't know why.  This, at least, tweaks things so we don't
    go off the canvas in column A and row 1.

 src/item-cursor.c | 77 +++++++++++++++++++++++++++++--------------------------
 1 file changed, 41 insertions(+), 36 deletions(-)
---
diff --git a/src/item-cursor.c b/src/item-cursor.c
index 41b3a7294..6eae0dcb5 100644
--- a/src/item-cursor.c
+++ b/src/item-cursor.c
@@ -394,6 +394,11 @@ item_cursor_draw (GocItem const *item, cairo_t *cr)
        if (draw_xor)
                cairo_set_operator (cr, CAIRO_OPERATOR_HARD_LIGHT);
        if (draw_external) {
+               // Correction to make sure we draw the entire thing within
+               // Column A and Row 1.
+               int x0corr = x0 == 0 ? 1 : 0;
+               int y0corr = y0 == 0 ? 1 : 0;
+
                switch (draw_handle) {
                /* Auto handle at bottom */
                case 1:
@@ -402,16 +407,16 @@ item_cursor_draw (GocItem const *item, cairo_t *cr)
 
                /* No auto handle */
                case 0:
-                       points [0].x = x1 + 1.5;
-                       points [0].y = y1 + 1 - premove;
-                       points [1].x = points [0].x;
-                       points [1].y = y0 - .5;
-                       points [2].x = x0 - .5;
-                       points [2].y = y0 - .5;
-                       points [3].x = x0 - .5;
-                       points [3].y = y1 + 1.5;
-                       points [4].x = x1 + 1 - premove;
-                       points [4].y = points [3].y;
+                       points[0].x = x1 + 1.5;
+                       points[0].y = y1 + 1 - premove;
+                       points[1].x = points[0].x;
+                       points[1].y = y0 - .5 + y0corr;
+                       points[2].x = x0 - .5 + x0corr;
+                       points[2].y = points[1].y;
+                       points[3].x = points[2].x;
+                       points[3].y = y1 + 1.5;
+                       points[4].x = x1 + 1 - premove;
+                       points[4].y = points[3].y;
                        break;
 
                /* Auto handle at top */
@@ -421,16 +426,16 @@ item_cursor_draw (GocItem const *item, cairo_t *cr)
 
                /* Auto handle at top of sheet */
                case 3:
-                       points [0].x = x1 + 1.5;
-                       points [0].y = y0 - .5 + AUTO_HANDLE_SPACE;
-                       points [1].x = points [0].x;
-                       points [1].y = y1 + 1.5;
-                       points [2].x = x0 - .5;
-                       points [2].y = points [1].y;
-                       points [3].x = points [2].x;
-                       points [3].y = y0 - .5;
-                       points [4].x = x1 + 1 - premove;
-                       points [4].y = points [3].y;
+                       points[0].x = x1 + 1.5;
+                       points[0].y = y0 - .5 + AUTO_HANDLE_SPACE;
+                       points[1].x = points[0].x;
+                       points[1].y = y1 + 1.5;
+                       points[2].x = x0 - .5;
+                       points[2].y = points[1].y;
+                       points[3].x = points[2].x;
+                       points[3].y = y0 - .5;
+                       points[4].x = x1 + 1 - premove;
+                       points[4].y = points[3].y;
                        break;
 
                default:
@@ -444,23 +449,23 @@ item_cursor_draw (GocItem const *item, cairo_t *cr)
 
        if (draw_external && draw_internal) {
                if (draw_handle < 2) {
-                       points [0].x -= 2;
-                       points [1].x -= 2;
-                       points [1].y += 2;
-                       points [2].x += 2;
-                       points [2].y += 2;
-                       points [3].x += 2;
-                       points [3].y -= 2;
-                       points [4].y -= 2;
+                       points[0].x -= 2;
+                       points[1].x -= 2;
+                       points[1].y += 2;
+                       points[2].x += 2;
+                       points[2].y += 2;
+                       points[3].x += 2;
+                       points[3].y -= 2;
+                       points[4].y -= 2;
                } else {
-                       points [0].x -= 2;
-                       points [1].x -= 2;
-                       points [1].y -= 2;
-                       points [2].x += 2;
-                       points [2].y -= 2;
-                       points [3].x += 2;
-                       points [3].y += 2;
-                       points [4].y += 2;
+                       points[0].x -= 2;
+                       points[1].x -= 2;
+                       points[1].y -= 2;
+                       points[2].x += 2;
+                       points[2].y -= 2;
+                       points[3].x += 2;
+                       points[3].y += 2;
+                       points[4].y += 2;
                }
                cairo_move_to (cr, points[0].x, points[0].y);
                for (i = 1; i < 5; i++)