commit c998370562425e70f4cf202a87112d638f5f7b38
author Bram Moolenaar <Bram@vim.org> Thu May 28 21:03:53 2020 +0200
committer Bram Moolenaar <Bram@vim.org> Thu May 28 21:03:53 2020 +0200
tree 315f060fadcc025a0201bf7bd2432e1221000f32
parent 3f65c66df95445ef84f98de007c9b70ce23f54a0

patch 8.2.0835: Motif: mapping <C-bslash> still doesn't work

Problem:    Motif: mapping <C-bslash> still doesn't work.
Solution:   Accept CSI for K_SPECIAL.  Do not apply CTRL to the character
            early.  (closes #6150)

src/gui_x11.c

diff --git a/src/gui_x11.c b/src/gui_x11.c
index 1eec793..a64bc3b 100644
--- a/src/gui_x11.c
+++ b/src/gui_x11.c
@@ -920,7 +920,12 @@
     if (ev_press->state & ShiftMask)
 	modifiers |= MOD_MASK_SHIFT;
     if (ev_press->state & ControlMask)
+    {
 	modifiers |= MOD_MASK_CTRL;
+	if (len == 1 && string[0] < 0x20)
+	    // Use the character before applyng CTRL.
+	    string[0] += 0x40;
+    }
     if (ev_press->state & Mod1Mask)
 	modifiers |= MOD_MASK_ALT;
     if (ev_press->state & Mod4Mask)