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patch 8.2.0851: can't distinguish <M-a> from accented "a" in the GUI

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Problem:    Can't distinguish <M-a> from accented "a" in the GUI.
Solution:   Use another way to make mapping <C-bslash> work. (closes #6163)
This commit is contained in:
Bram Moolenaar
2020-05-30 19:52:46 +02:00
parent 95da136142
commit f4ae6b245a
4 changed files with 28 additions and 42 deletions
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44
src/gui_gtk_x11.c
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@@ -1018,12 +1018,11 @@ focus_out_event(GtkWidget *widget UNUSED,
* The output is written to string, which must have room for at least 6 bytes
* plus the NUL terminator. Returns the length in bytes.
*
* This function is used in the GTK+ 2 GUI only. The GTK+ 1 code makes use
* of GdkEventKey::string instead. But event->string is evil; see here why:
* event->string is evil; see here why:
* http://developer.gnome.org/doc/API/2.0/gdk/gdk-Event-Structures.html#GdkEventKey
*/
static int
keyval_to_string(unsigned int keyval, unsigned int *state, char_u *string)
keyval_to_string(unsigned int keyval, char_u *string)
{
int len;
guint32 uc;
@@ -1031,37 +1030,9 @@ keyval_to_string(unsigned int keyval, unsigned int *state, char_u *string)
uc = gdk_keyval_to_unicode(keyval);
if (uc != 0)
{
// Check for CTRL-char
if ((*state & GDK_CONTROL_MASK) && uc >= 0x20 && uc < 0x80)
{
// These mappings look arbitrary at the first glance, but in fact
// resemble quite exactly the behaviour of the GTK+ 1.2 GUI on my
// machine. The only difference is BS vs. DEL for CTRL-8 (makes
// more sense and is consistent with usual terminal behaviour).
if (uc >= '@')
string[0] = uc & 0x1F;
else if (uc == '2')
string[0] = NUL;
else if (uc >= '3' && uc <= '7')
string[0] = uc ^ 0x28;
else if (uc == '8')
string[0] = BS;
else if (uc == '?')
string[0] = DEL;
else
string[0] = uc;
len = 1;
if (string[0] != uc)
// The modifier was used, remove it.
*state = *state & ~GDK_CONTROL_MASK;
}
else
{
// Translate a normal key to UTF-8. This doesn't work for dead
// keys of course, you _have_ to use an input method for that.
len = utf_char2bytes((int)uc, string);
}
// Translate a normal key to UTF-8. This doesn't work for dead
// keys of course, you _have_ to use an input method for that.
len = utf_char2bytes((int)uc, string);
}
else
{
@@ -1173,7 +1144,7 @@ key_press_event(GtkWidget *widget UNUSED,
else
#endif
{
len = keyval_to_string(key_sym, &state, string2);
len = keyval_to_string(key_sym, string2);
// Careful: convert_input() doesn't handle the NUL character.
// No need to convert pure ASCII anyway, thus the len > 1 check.
@@ -1261,6 +1232,9 @@ key_press_event(GtkWidget *widget UNUSED,
}
else
{
// <C-H> and <C-h> mean the same thing, always use "H"
if ((modifiers & MOD_MASK_CTRL) && ASCII_ISALPHA(key))
key = TOUPPER_ASC(key);
string[0] = key;
len = 1;
}